private bool ValidateGlyfPartiallyUnreferenced(Validator validator,
OTFont fontOwner)
{
int numEntry = this.NumEntry(fontOwner);
if (numEntry == Table_loca.ValueInvalid)
{
validator.Warning(T.T_NULL, W.loca_W_GlyfPartiallyUnreferenced, this.m_tag);
return(false);
}
int offsLast;
if (!this.GetGlyfOffset(numEntry - 1, out offsLast, validator, fontOwner))
{
validator.Warning(T.T_NULL, W.loca_W_GlyfPartiallyUnreferenced, this.m_tag);
return(false);
}
int lengthGlyf = this.LengthGlyf(fontOwner);
if (lengthGlyf == Table_loca.ValueInvalid)
{
validator.Warning(T.T_NULL, W.loca_W_GlyfPartiallyUnreferenced, this.m_tag);
return(false);
}
if (lengthGlyf != offsLast)
{
validator.Warning(T.T_NULL, W.loca_W_GlyfPartiallyUnreferenced, this.m_tag);
return(false);
}
validator.Pass(P.loca_P_GlyfPartiallyUnreferenced, this.m_tag);
return(true);
}
protected bool CheckForRecommendedTables(Validator v)
{
bool bRet = true;
bool bMissing = false;
if (!IsPostScript())
{
if (GetDirectoryEntry("gasp") == null)
{
v.Warning(T.T_NULL, W._FONT_W_MissingRecommendedTable, null, "gasp");
bMissing = true;
}
Table_hmtx hmtxTable = (Table_hmtx)GetTable("hmtx");
if (hmtxTable != null)
{
if (!hmtxTable.IsMonospace(this) && !ContainsSymbolsOnly())
{
if (GetDirectoryEntry("kern") == null)
{
v.Warning(T.T_NULL, W._FONT_W_MissingRecommendedTable, null, "kern");
bMissing = true;
}
if (GetDirectoryEntry("hdmx") == null)
{
v.Warning(T.T_NULL, W._FONT_W_MissingRecommendedTable, null, "hdmx");
bMissing = true;
}
}
}
if (GetDirectoryEntry("VDMX") == null)
{
v.Warning(T.T_NULL, W._FONT_W_MissingRecommendedTable, null, "VDMX");
bMissing = true;
}
}
if (GetDirectoryEntry("DSIG") == null && !GetFile().IsCollection())
{
v.Warning(T.T_NULL, W._FONT_W_MissingRecommendedTable, null, "DSIG");
bMissing = true;
}
if (!bMissing)
{
v.Pass(P._FONT_P_MissingRecommendedTable, null);
}
return(bRet);
}
protected bool CheckTableAlignment(Validator v)
{
Debug.Assert(m_OffsetTable != null);
bool bRet = false;
if (m_OffsetTable != null)
{
bRet = true;
for (int i = 0; i < m_OffsetTable.DirectoryEntries.Count; i++)
{
DirectoryEntry de = (DirectoryEntry)m_OffsetTable.DirectoryEntries[i];
if ((de.offset & 0x03) != 0)
{
v.Warning(T.T_NULL, W._DE_W_TableAlignment, null, (string)de.tag);
//bRet = false;
}
}
if (bRet == true)
{
v.Pass(P._DE_P_TableAlignment, null);
}
}
return(bRet);
}
private bool ValidateGlyfEntryLengthAlignment(Validator validator,
OTFont fontOwner)
{
int cntWarn = 0;
int numEntry = this.NumEntry(fontOwner);
if (numEntry == Table_loca.ValueInvalid)
{
if (validator != null)
{
validator.Warning(T.T_NULL, W.loca_W_GlyfEntryLengthAlignment,
m_tag,
"Unable to determine the number of entries in the 'loca' table");
}
return(false);
}
int offsGlyfCur, offsGlyfNext;
for (int iEntry = 0; iEntry < numEntry - 1; iEntry++)
{
if ((!this.GetGlyfOffset(iEntry, out offsGlyfCur, validator, fontOwner)) ||
(!this.GetGlyfOffset(iEntry + 1, out offsGlyfNext, validator, fontOwner)))
{
cntWarn++;
continue;
}
if (((offsGlyfNext - offsGlyfCur) % 4) != 0)
{
cntWarn++;
}
}
if (validator != null)
{
if (cntWarn == 0)
{
validator.Pass(P.loca_P_GlyfEntryLengthAlignment, m_tag);
}
else
{
validator.Warning(T.T_NULL, W.loca_W_GlyfEntryLengthAlignment,
m_tag,
"Number of glyphs with the warning = " + cntWarn);
}
}
return(cntWarn == 0);
}
private bool ValidateGlyfEntryEmpty(Validator validator,
OTFont fontOwner)
{
int cntInfo = 0;
int numEntry = this.NumEntry(fontOwner);
if (numEntry == Table_loca.ValueInvalid)
{
if (validator != null)
{
validator.Warning(T.T_NULL, W._TEST_W_OtherErrorsInTable,
m_tag,
"Unable to determine the number of entries in the 'loca' table");
}
return(false);
}
int offsGlyfCur, offsGlyfNext;
for (int iEntry = 0; iEntry < numEntry - 1; iEntry++)
{
if ((!this.GetGlyfOffset(iEntry, out offsGlyfCur, validator, fontOwner)) ||
(!this.GetGlyfOffset(iEntry + 1, out offsGlyfNext, validator, fontOwner)))
{
cntInfo++;
continue;
}
if (offsGlyfNext == offsGlyfCur)
{
cntInfo++;
}
}
if (validator != null)
{
if (cntInfo == 0)
{
validator.Pass(P.loca_P_GlyfEntryEmpty, m_tag);
}
else
{
validator.Info(T.T_NULL, I.loca_I_GlyfEntryEmpty,
m_tag,
"Number of glyphs that are empty = " + cntInfo);
}
}
return(cntInfo == 0);
}
/************************
* public methods
*/
public bool Validate(Validator v, OTFontVal fontOwner)
{
bool bRet = true;
ushort numGlyphs = GetNumGlyphs(fontOwner);
if (v.PerformTest(T.hdmx_Version))
{
if (TableVersionNumber == 0)
{
v.Pass(T.hdmx_Version, P.hdmx_P_Version, m_tag);
}
else
{
v.Error(T.hdmx_Version, E.hdmx_E_Version, m_tag, TableVersionNumber.ToString());
bRet = false;
}
}
bool bNumDeviceRecordsOk = true;
if (v.PerformTest(T.hdmx_NumDeviceRecords))
{
if (NumberDeviceRecords >= 0)
{
v.Pass(T.hdmx_NumDeviceRecords, P.hdmx_P_NumDeviceRecords, m_tag, NumberDeviceRecords.ToString());
}
else
{
v.Error(T.hdmx_NumDeviceRecords, E.hdmx_E_NumDeviceRecords_neg, m_tag, NumberDeviceRecords.ToString());
bNumDeviceRecordsOk = false;
bRet = false;
}
}
bool bSizeOk = true;
if (v.PerformTest(T.hdmx_SizeofDeviceRecord))
{
if ((SizeofDeviceRecord & 3) != 0)
{
v.Error(T.hdmx_SizeofDeviceRecord, E.hdmx_E_SizeofDeviceRecord_alignment, m_tag, SizeofDeviceRecord.ToString());
bSizeOk = false;
bRet = false;
}
uint CalculatedSizeofDeviceRecord = CalculateSizeofDeviceRecord(numGlyphs);
if (SizeofDeviceRecord != CalculatedSizeofDeviceRecord)
{
string s = "actual = " + SizeofDeviceRecord + ", calc = " + CalculatedSizeofDeviceRecord;
v.Error(T.hdmx_SizeofDeviceRecord, E.hdmx_E_SizeofDeviceRecord_numGlyphs, m_tag, s);
bSizeOk = false;
bRet = false;
}
if (bSizeOk)
{
v.Pass(T.hdmx_SizeofDeviceRecord, P.hdmx_P_SizeofDeviceRecord, m_tag, SizeofDeviceRecord.ToString());
}
}
bool bLengthOk = true;
if (v.PerformTest(T.hdmx_TableLength))
{
if (bNumDeviceRecordsOk)
{
uint CalculatedTableLength = 8 + (uint)NumberDeviceRecords * CalculateSizeofDeviceRecord(numGlyphs);
if (GetLength() == CalculatedTableLength)
{
v.Pass(T.hdmx_TableLength, P.hdmx_P_TableLength, m_tag);
}
else
{
string s = "actual: " + GetLength() + ", calc: " + CalculatedTableLength;
v.Error(T.hdmx_TableLength, E.hdmx_E_TableLength, m_tag, s);
bLengthOk = false;
bRet = false;
}
}
else
{
v.Warning(T.hdmx_TableLength, W._TEST_W_OtherErrorsInTable, m_tag, "unable to validate table length");
}
}
if (v.PerformTest(T.hdmx_DeviceRecordPadBytesZero))
{
if (bSizeOk && bLengthOk & bNumDeviceRecordsOk)
{
uint unpaddedLength = (uint)numGlyphs + 2;
if ((unpaddedLength & 3) == 0)
{
v.Pass(T.hdmx_DeviceRecordPadBytesZero, P.hdmx_P_DeviceRecordPadBytes_none, m_tag);
}
else
{
bool bPadOk = true;
if (NumberDeviceRecords > 1)
{
for (uint i=0; i<NumberDeviceRecords; i++)
{
DeviceRecord dr = GetDeviceRecord(i, numGlyphs);
for (uint j=0; j<dr.GetNumPadBytes(); j++)
{
if (dr.GetPadByte(j) != 0)
{
bPadOk = false;
break;
}
}
}
}
if (bPadOk)
{
v.Pass(T.hdmx_DeviceRecordPadBytesZero, P.hdmx_P_DeviceRecordPadBytes_zero, m_tag);
}
else
{
v.Error(T.hdmx_DeviceRecordPadBytesZero, E.hdmx_E_DeviceRecordPadBytes_nonzero, m_tag);
bRet = false;
}
}
}
else
{
v.Warning(T.hdmx_DeviceRecordPadBytesZero, W._TEST_W_OtherErrorsInTable, m_tag, "unable to validate that device record padding bytes are zero");
}
}
if (v.PerformTest(T.hdmx_SortedOrder))
{
if (bSizeOk && bLengthOk && bNumDeviceRecordsOk)
{
bool bSortOk = true;
if (NumberDeviceRecords > 1)
{
DeviceRecord drCurr = GetDeviceRecord(0, numGlyphs);
DeviceRecord drNext = null;
for (uint i=1; i<NumberDeviceRecords; i++)
{
drNext = GetDeviceRecord(i, numGlyphs);
if (drCurr.PixelSize >= drNext.PixelSize)
{
bSortOk = false;
break;
}
drCurr = drNext;
}
}
if (bSortOk)
{
v.Pass(T.hdmx_SortedOrder, P.hdmx_P_SortedOrder, m_tag);
}
else
{
v.Error(T.hdmx_SortedOrder, E.hdmx_E_SortedOrder, m_tag);
bRet = false;
}
}
else
{
v.Warning(T.hdmx_SortedOrder, W._TEST_W_OtherErrorsInTable, m_tag, "unable to validate that device records are in sorted order");
}
}
if (v.PerformTest(T.hdmx_DuplicateDeviceRecords))
{
if (bSizeOk && bLengthOk && bNumDeviceRecordsOk)
{
bool bNoDup = true;
if (NumberDeviceRecords > 1)
{
for (uint i=0; i<NumberDeviceRecords-1; i++)
{
DeviceRecord dr1 = GetDeviceRecord(i, numGlyphs);
for (uint j=i+1; j<NumberDeviceRecords; j++)
{
DeviceRecord dr2 = GetDeviceRecord(j, numGlyphs);
if (dr1.PixelSize == dr2.PixelSize)
{
bNoDup = false;
break;
}
}
}
}
if (bNoDup)
{
v.Pass(T.hdmx_DuplicateDeviceRecords, P.hdmx_P_DuplicateDeviceRecords, m_tag);
}
else
{
v.Error(T.hdmx_DuplicateDeviceRecords, E.hdmx_E_DuplicateDeviceRecords, m_tag);
bRet = false;
}
}
else
{
v.Warning(T.hdmx_DuplicateDeviceRecords, W._TEST_W_OtherErrorsInTable, m_tag, "unable to validate that there are no duplicate device records");
}
}
if (v.PerformTest(T.hdmx_Widths))
{
if (bSizeOk && bLengthOk && bNumDeviceRecordsOk)
{
bool bWidthsOk = true;
RasterInterf.DevMetricsData dmd = null;
try
{
Version ver = fontOwner.GetFile().GetRasterizer().FTVersion;
if ( ver.CompareTo(new Version(2,6,1)) < 0 )
v.Warning(T.hdmx_Widths, W.hdmx_W_Need_Newer_FreeType, m_tag,
"Using FreeType Version " + ver + " may not get correct results for HDMX");
dmd = fontOwner.GetCalculatedDevMetrics();
}
catch (Exception e)
{
v.ApplicationError(T.hdmx_Widths, E._Table_E_Exception, m_tag, e.Message);
bRet = false;
}
if (dmd != null)
{
for (uint i=0; i<NumberDeviceRecords; i++)
{
DeviceRecord dr = GetDeviceRecord(i, numGlyphs);
for (uint iGlyph=0; iGlyph<numGlyphs; iGlyph++)
{
if (dr.GetWidth(iGlyph) != dmd.hdmxData.Records[i].Widths[iGlyph])
{
String sDetails = "rec " + i + ", PixelSize " + dr.PixelSize + ", glyph# " + iGlyph
+ ", width = " + dr.GetWidth(iGlyph) + ", calc = " + dmd.hdmxData.Records[i].Widths[iGlyph];
v.Error(T.hdmx_Widths, E.hdmx_E_Widths, m_tag, sDetails);
bWidthsOk = false;
bRet = false;
}
}
}
if (bWidthsOk)
{
v.Pass(T.hdmx_Widths, P.hdmx_P_Widths, m_tag);
}
}
else
{
// if user didn't cancel, then check for error message
if (!v.CancelFlag)
{
String sDetails = null;
try
{
sDetails = fontOwner.GetDevMetricsDataError();
}
catch (Exception e)
{
v.ApplicationError(T.hdmx_Widths, E._Table_E_Exception, m_tag, e.Message);
}
Debug.Assert(sDetails != null);
v.Error(T.hdmx_Widths, E.hdmx_E_Rasterizer, m_tag, sDetails);
bRet = false;
}
}
}
else
{
v.Warning(T.hdmx_Widths, W._TEST_W_OtherErrorsInTable, m_tag, "unable to validate that the widths are correct");
}
}
return bRet;
}
/*****************
* protected methods
*/
/*****************
* public methods
*/
//meant to avoid code repetition (is called from OTFontVal too)
public bool ValidateTable(OTTable table, Validator v, DirectoryEntry de, OTFontVal fontOwner)
{
String tname = GetTableManager().GetUnaliasedTableName(de.tag);
bool bRet = true;
// verify the checksum value from the directory entry matches the checksum for the table
if (!(tname == "DSIG" && IsCollection()))
{
uint calcChecksum = 0;
if (table != null)
{
calcChecksum = table.CalcChecksum();
}
if (de.checkSum != calcChecksum)
{
string s = "table '" + de.tag + "', calc: 0x" + calcChecksum.ToString("x8") + ", font: 0x" + de.checkSum.ToString("x8");
v.Error(T.T_NULL, E._DE_E_ChecksumError, de.tag, s);
bRet = false;
}
}
// verify that table has pad bytes set to zero
if (table != null)
{
uint nBytes = 0;
try {
nBytes = GetNumPadBytesAfterTable(table);
}
catch (Exception e)
{
v.ApplicationError(T.T_NULL, E._Table_E_Exception, de.tag, "GetNumPadBytesAfterTable: " + e.Message);
bRet = false;
}
bool bPadBytesZero = true;
if (nBytes != 0)
{
long PadFilePos = table.GetBuffer().GetFilePos() + table.GetBuffer().GetLength();
byte[] padbuf = ReadBytes(PadFilePos, nBytes);
for (int iByte = 0; iByte < padbuf.Length; iByte++)
{
if (padbuf[iByte] != 0)
{
bPadBytesZero = false;
break;
}
}
}
if (bPadBytesZero == false)
{
v.Warning(T.T_NULL, W._DE_W_PadBytesNotZero, de.tag, "after " + de.tag + " table");
}
}
// ask the table object to validate its data
if (!(tname == "DSIG" && IsCollection()))
{
v.OnTableValidationEvent(de, true);
}
if (table != null)
{
if (v.TestTable(de.tag)) // don't test deselected tables
{
try
{
ITableValidate valtable = (ITableValidate)table;
bRet &= valtable.Validate(v, fontOwner);
}
catch (InvalidCastException e)
{
v.ApplicationError(T.T_NULL, E._Table_E_Exception, table.m_tag, e.ToString());
bRet = false;
}
}
else
{
v.Info(I._Table_I_NotSelected, de.tag);
}
}
else
{
if (de.length == 0)
{
// check if it's a known OT table type since zero length private tables seem allowable
if (TableManager.IsKnownOTTableType(de.tag))
{
v.Error(T.T_NULL, E._Table_E_Invalid, de.tag, "The directory entry length is zero");
bRet = false;
}
}
else if (de.offset == 0)
{
v.Error(T.T_NULL, E._Table_E_Invalid, de.tag, "The directory entry offset is zero");
bRet = false;
}
else if (de.offset > GetFileLength())
{
v.Error(T.T_NULL, E._Table_E_Invalid, de.tag, "The table offset points past end of file");
bRet = false;
}
else if (de.offset + de.length > GetFileLength())
{
v.Error(T.T_NULL, E._Table_E_Invalid, de.tag, "The table extends past end of file");
bRet = false;
}
else
{
v.Error(E._Table_E_Invalid, de.tag);
bRet = false;
}
}
if (!(tname == "DSIG" && IsCollection()))
{
v.OnTableValidationEvent(de, false);
}
return(bRet);
}
private bool CheckCodePageBit(int nBit, uint CodePage, string sName, Validator v, OTFont fontOwner)
{
bool bRet = true;
int nTotalChars = 0;
int nMissingChars = 0;
// decode the bit number
bool bBitSet;
if (nBit < 32)
{
bBitSet = ((ulCodePageRange1 & (1<<nBit)) != 0);
}
else
{
bBitSet = ((ulCodePageRange2 & (1<<(nBit-32))) != 0);
}
if (nBit == 31)
{
// symbol character set
Table_cmap cmapTable = (Table_cmap)fontOwner.GetTable("cmap");
if (cmapTable != null)
{
if (cmapTable.GetEncodingTableEntry(3,0) != null)
{
if (!bBitSet)
{
v.Error(T.T_NULL, E.OS_2_E_SymbolBitClear, m_tag);
bRet = false;
}
}
else
{
if (bBitSet)
{
int nPresentChars = 0;
for (ushort c=0xf000; c<= 0xf0ff; c++)
{
if (fontOwner.FastMapUnicodeToGlyphID((char)c) != 0)
{
nPresentChars++;
}
}
if (nPresentChars == 0)
{
v.Error(T.T_NULL, E.OS_2_E_SymbolBitSet, m_tag);
bRet = false;
}
}
}
}
else
{
v.Error(T.T_NULL, E._TEST_E_TableMissing, m_tag, "cmap");
bRet = false;
}
}
else if (CodePage == 0)
{
// reserved field, bit should not be set
if (bBitSet)
{
v.Error(T.T_NULL, E.OS_2_E_ReservedBitSet_CodePage, m_tag, "bit #" + nBit);
bRet = false;
}
}
else
{
try
{
if (MultiByte.IsCodePageInstalled(CodePage))
{
ushort [] arrMissingChars = new ushort[10];
uint nMaxCharSize = MultiByte.GetCodePageMaxCharSize(CodePage);
if (nMaxCharSize == 1)
{
for (ushort c = 0; c<256; c++)
{
// check for special case: MultiByteToWideChar maps char 0xca in CP1255 to U05BA, but CP1255 spec says its not defined
if (CodePage != 1255 || c != 0xca)
{
CheckCodePageGlyph(CodePage, (char)c, ref nTotalChars, ref nMissingChars, arrMissingChars, fontOwner);
}
}
}
else if (nMaxCharSize == 2)
{
bool [] LeadByteMap = new bool[256];
for (int i=0; i<256; i++)
{
LeadByteMap[i] = MultiByte.IsCodePageLeadByte(CodePage, (byte)i);
}
for (ushort c = 0; c<256; c++)
{
if (LeadByteMap[c] == false)
{
CheckCodePageGlyph(CodePage, (char)c, ref nTotalChars, ref nMissingChars, arrMissingChars, fontOwner);
}
}
for (uint leadbyte = 0; leadbyte<256; leadbyte++)
{
if (LeadByteMap[leadbyte] == true)
{
for (uint secondbyte = 0; secondbyte<256; secondbyte++)
{
char c = (char)((leadbyte << 8) + secondbyte);
CheckCodePageGlyph(CodePage, c, ref nTotalChars, ref nMissingChars, arrMissingChars, fontOwner);
}
}
}
}
else
{
Debug.Assert(false);
}
if (bBitSet)
{
if (nMissingChars != 0)
{
string sDetails = "bit #" + nBit + ", " + sName;
int n = 0;
if (nMissingChars <=10)
{
sDetails += " (missing chars:";
n = nMissingChars;
}
else
{
sDetails += " (" + nMissingChars + " missing, first ten missing chars are:";
n = 10;
}
for (int i=0; i<n; i++)
{
sDetails += " U" + arrMissingChars[i].ToString("X4");
}
sDetails += ")";
v.Warning(T.T_NULL, W.OS_2_W_CodePageRangeBitSet, m_tag, sDetails);
}
}
else
{
if (nMissingChars == 0)
{
v.Warning(T.T_NULL, W.OS_2_W_CodePageRangeBitClear, m_tag, "bit #" + nBit + ", " + sName);
}
}
}
else
{
v.ApplicationError(T.T_NULL, E.OS_2_A_CodePageNotInstalled, m_tag, "CodePage " + CodePage + " is not installed on the system");
}
}
catch (Exception e)
{
v.ApplicationError(T.T_NULL, E.OS_2_A_CodePageNotInstalled, m_tag, "CodePage " + CodePage + " throws an exception:" + e.Message);
}
}
return bRet;
}
/************************
* public methods
*/
public bool Validate(Validator v, OTFontVal fontOwner)
{
bool bRet = true;
Table_hhea hheaTable = (Table_hhea)fontOwner.GetTable("hhea");
if (hheaTable == null)
{
v.Error(T.T_NULL, E._TEST_E_TableMissing, m_tag, "Unable to test this table, hhea table is invalid or missing");
return(false);
}
Table_maxp maxpTable = (Table_maxp)fontOwner.GetTable("maxp");
if (maxpTable == null)
{
v.Error(T.T_NULL, E._TEST_E_TableMissing, m_tag, "Unable to test this table, maxp table is invalid or missing");
return(false);
}
if (v.PerformTest(T.hmtx_TableSize))
{
uint nhm = GetNumberOfHMetrics(fontOwner);
uint nlsb = GetNumLeftSideBearingEntries(fontOwner);
uint CalcTableLength = nhm * 4 + nlsb * 2;
if (CalcTableLength == GetLength())
{
v.Pass(T.hmtx_TableSize, P.hmtx_P_TableSize, m_tag);
}
else
{
v.Error(T.hmtx_TableSize, E.hmtx_E_TableSize, m_tag);
bRet = false;
}
}
if (v.PerformTest(T.hmtx_CheckMetrics))
{
bool bMetricsOk = true;
for (uint iGlyph = 0; iGlyph < fontOwner.GetMaxpNumGlyphs(); iGlyph++)
{
longHorMetric hm = this.GetOrMakeHMetric(iGlyph, fontOwner);
if (hm != null)
{
if (hm.lsb > hm.advanceWidth)
{
v.Warning(T.hmtx_CheckMetrics, W.hmtx_W_CheckMetrics_lsb_gt_adv, m_tag, "glyph# " + iGlyph);
bMetricsOk = false;
}
}
else
{
// unable to fetch this horizontal metric
// (probably bad hheaTable.numberOfHMetrics or bad table length)
bMetricsOk = false;
}
}
if (bMetricsOk)
{
v.Pass(T.hmtx_CheckMetrics, P.hmtx_P_CheckMetrics, m_tag);
}
}
return(bRet);
}
/************************
* public methods
*/
public bool Validate(Validator v, OTFontVal fontOwner)
{
bool bRet = true;
Table_hhea hheaTable = (Table_hhea)fontOwner.GetTable("hhea");
if (hheaTable == null)
{
v.Error(T.T_NULL, E._TEST_E_TableMissing, m_tag, "Unable to test this table, hhea table is invalid or missing");
return false;
}
Table_maxp maxpTable = (Table_maxp)fontOwner.GetTable("maxp");
if (maxpTable == null)
{
v.Error(T.T_NULL, E._TEST_E_TableMissing, m_tag, "Unable to test this table, maxp table is invalid or missing");
return false;
}
if (v.PerformTest(T.hmtx_TableSize))
{
uint nhm = GetNumberOfHMetrics(fontOwner);
uint nlsb = GetNumLeftSideBearingEntries(fontOwner);
uint CalcTableLength = nhm*4 + nlsb*2;
if (CalcTableLength == GetLength())
{
v.Pass(T.hmtx_TableSize, P.hmtx_P_TableSize, m_tag);
}
else
{
v.Error(T.hmtx_TableSize, E.hmtx_E_TableSize, m_tag);
bRet = false;
}
}
if (v.PerformTest(T.hmtx_CheckMetrics))
{
bool bMetricsOk = true;
for (uint iGlyph=0; iGlyph<fontOwner.GetMaxpNumGlyphs(); iGlyph++)
{
longHorMetric hm = this.GetOrMakeHMetric(iGlyph, fontOwner);
if (hm != null)
{
if (hm.lsb > hm.advanceWidth)
{
v.Warning(T.hmtx_CheckMetrics, W.hmtx_W_CheckMetrics_lsb_gt_adv, m_tag, "glyph# " + iGlyph);
bMetricsOk = false;
}
}
else
{
// unable to fetch this horizontal metric
// (probably bad hheaTable.numberOfHMetrics or bad table length)
bMetricsOk = false;
}
}
if (bMetricsOk)
{
v.Pass(T.hmtx_CheckMetrics, P.hmtx_P_CheckMetrics, m_tag);
}
}
return bRet;
}
private bool ValidateGlyfEntryEmpty(Validator validator,
OTFont fontOwner)
{
int cntInfo=0;
int numEntry=this.NumEntry(fontOwner);
if (numEntry==Table_loca.ValueInvalid)
{
if (validator!=null)
{
validator.Warning(T.T_NULL, W._TEST_W_OtherErrorsInTable,
m_tag,
"Unable to determine the number of entries in the 'loca' table");
}
return false;
}
int offsGlyfCur, offsGlyfNext;
for (int iEntry=0; iEntry<numEntry-1; iEntry++)
{
if ((!this.GetGlyfOffset(iEntry, out offsGlyfCur, validator, fontOwner))||
(!this.GetGlyfOffset(iEntry+1, out offsGlyfNext, validator, fontOwner)))
{
cntInfo++;
continue;
}
if (offsGlyfNext==offsGlyfCur)
{
cntInfo++;
}
}
if (validator!=null)
{
if (cntInfo==0)
{
validator.Pass(P.loca_P_GlyfEntryEmpty, m_tag);
}
else
{
validator.Info(T.T_NULL, I.loca_I_GlyfEntryEmpty,
m_tag,
"Number of glyphs that are empty = "+cntInfo);
}
}
return (cntInfo==0);
}
private bool ValidateGlyfPartiallyUnreferenced(Validator validator,
OTFont fontOwner)
{
int numEntry=this.NumEntry(fontOwner);
if (numEntry==Table_loca.ValueInvalid)
{
validator.Warning(T.T_NULL, W.loca_W_GlyfPartiallyUnreferenced,this.m_tag);
return false;
}
int offsLast;
if (!this.GetGlyfOffset(numEntry-1,out offsLast,validator,fontOwner))
{
validator.Warning(T.T_NULL, W.loca_W_GlyfPartiallyUnreferenced,this.m_tag);
return false;
}
int lengthGlyf=this.LengthGlyf(fontOwner);
if (lengthGlyf==Table_loca.ValueInvalid)
{
validator.Warning(T.T_NULL, W.loca_W_GlyfPartiallyUnreferenced,this.m_tag);
return false;
}
if (lengthGlyf!=offsLast)
{
validator.Warning(T.T_NULL, W.loca_W_GlyfPartiallyUnreferenced,this.m_tag);
return false;
}
validator.Pass(P.loca_P_GlyfPartiallyUnreferenced,this.m_tag);
return true;
}
/************************
* public methods
*/
public bool Validate(Validator v, OTFontVal fontOwner)
{
bool bRet = true;
if (v.PerformTest(T.hhea_version))
{
if (TableVersionNumber.GetUint() == 0x00010000)
{
v.Pass(T.hhea_version, P.hhea_P_version, m_tag);
}
else
{
v.Error(T.hhea_version, E.hhea_E_version, m_tag, "0x" + TableVersionNumber.GetUint().ToString("x8"));
bRet = false;
}
}
if (v.PerformTest(T.hhea_AscenderPositive))
{
if (Ascender <= 0)
{
string s = "Ascender = " + Ascender;
v.Error(T.hhea_AscenderPositive, E.hhea_E_AscenderPositive, m_tag, s);
bRet = false;
}
else
{
v.Pass(T.hhea_AscenderPositive, P.hhea_P_AscenderPositive, m_tag);
}
}
if (v.PerformTest(T.hhea_DescenderNegative))
{
if (Descender >= 0)
{
string s = "Descender = " + Descender;
v.Error(T.hhea_DescenderNegative, E.hhea_E_DescenderNegative, m_tag, s);
bRet = false;
}
else
{
v.Pass(T.hhea_DescenderNegative, P.hhea_P_DescenderNegative, m_tag);
}
}
Table_head headTable = (Table_head)fontOwner.GetTable("head");
if (headTable != null)
{
if (v.PerformTest(T.hhea_Ascender_yMax))
{
if (Ascender > headTable.yMax)
{
string s = "Ascender = " + Ascender + ", head.yMax = " + headTable.yMax;
v.Info(T.hhea_Ascender_yMax, I.hhea_I_Ascender_yMax, m_tag, s);
// bRet = false;
}
else
{
v.Pass(T.hhea_Ascender_yMax, P.hhea_P_Ascender_yMax, m_tag);
}
}
if (v.PerformTest(T.hhea_Descender_yMin))
{
if (Descender < headTable.yMin)
{
string s = "Descender = " + Descender + ", head.yMin = " + headTable.yMin;
v.Info(T.hhea_Descender_yMin, I.hhea_I_Descender_yMin, m_tag, s);
// bRet = false;
}
else
{
v.Pass(T.hhea_Descender_yMin, P.hhea_P_Descender_yMin, m_tag);
}
}
}
else
{
v.Error(T.hhea_Ascender_yMax, E._TEST_E_TableMissing, m_tag, "head");
bRet = false;
}
if (v.PerformTest(T.hhea_LineGapPositive))
{
if (LineGap < 0)
{
string s = "LineGap = " + LineGap;
v.Warning(T.hhea_LineGapPositive, W.hhea_W_LineGapPositive, m_tag, s);
//bRet = false;
}
else
{
v.Pass(T.hhea_LineGapPositive, P.hhea_P_LineGapPositive, m_tag);
}
}
Table_OS2 OS2Table = (Table_OS2)fontOwner.GetTable("OS/2");
if (OS2Table != null)
{
if (v.PerformTest(T.hhea_Ascender_usWinAscent))
{
if (OS2Table.usWinAscent != Ascender)
{
string s = "hhea.Ascender = " + Ascender + ", OS/2.usWinAscent = " + OS2Table.usWinAscent;
v.Warning(T.hhea_Ascender_usWinAscent, W.hhea_W_Ascender_usWinAscent, m_tag, s);
}
else
{
v.Pass(T.hhea_Ascender_usWinAscent, P.hhea_P_Ascender_usWinAscent, m_tag);
}
}
if (v.PerformTest(T.hhea_Descender_usWinDescent))
{
if (OS2Table.usWinDescent != (Descender * -1))
{
string s = "hhea.Descender = " + Descender + ", OS/2.usWinDescent = " + OS2Table.usWinDescent;
v.Warning(T.hhea_Descender_usWinDescent, W.hhea_W_Descender_usWinDescent, m_tag, s);
}
else
{
v.Pass(T.hhea_Descender_usWinDescent, P.hhea_P_Descender_usWinDescent, m_tag);
}
}
// Microsoft is recommending that Ascender, Descender and LineGap be in line with OS2.winAscent, OS2.winDescent
// and formulated value for LineGap to make sure font displays the same on Apple as it does no Windows.
if (v.PerformTest(T.hhea_LineGap_minGap))
{
int sMinGap = (OS2Table.usWinAscent + OS2Table.usWinDescent) - (Ascender - Descender);
if (LineGap < sMinGap)
{
string s = "LineGap = " + LineGap + ", recommended = " + sMinGap;
v.Warning(T.hhea_LineGap_minGap, W.hhea_W_LineGap_minGap, m_tag, s);
//bRet = false;
}
else
{
v.Pass(T.hhea_LineGap_minGap, P.hhea_P_LineGap_minGap, m_tag);
}
}
else
{
v.Error(T.hhea_LineGap_minGap, E._TEST_E_TableMissing, m_tag, "OS/2");
}
}
else
{
v.Error(T.hhea_Ascender_usWinAscent, E._TEST_E_TableMissing, m_tag, "OS/2");
v.Error(T.hhea_Descender_usWinDescent, E._TEST_E_TableMissing, m_tag, "OS/2");
v.Error(T.hhea_LineGap_minGap, E._TEST_E_TableMissing, m_tag, "OS/2");
bRet = false;
}
if (v.PerformTest(T.hhea_MinMax))
{
if (fontOwner.ContainsTrueTypeOutlines())
{
Table_hmtx hmtxTable = (Table_hmtx)fontOwner.GetTable("hmtx");
Table_glyf glyfTable = (Table_glyf)fontOwner.GetTable("glyf");
Table_maxp maxpTable = (Table_maxp)fontOwner.GetTable("maxp");
if (hmtxTable == null)
{
v.Error(T.hhea_MinMax, E._TEST_E_TableMissing, m_tag, "hmtx");
bRet = false;
}
else if (glyfTable == null)
{
v.Error(T.hhea_MinMax, E._TEST_E_TableMissing, m_tag, "glyf");
bRet = false;
}
else if (maxpTable == null)
{
v.Error(T.hhea_MinMax, E._TEST_E_TableMissing, m_tag, "maxp");
bRet = false;
}
else
{
ushort numGlyphs = fontOwner.GetMaxpNumGlyphs();
ushort awMax = 0;
short minLSB = 32767;
short minRSB = 32767;
short xmaxEx = -32768;
Table_hmtx.longHorMetric hm = null;
for (uint iGlyph = 0; iGlyph < numGlyphs; iGlyph++)
{
hm = hmtxTable.GetOrMakeHMetric(iGlyph, fontOwner);
if (hm == null)
{
break;
}
if (awMax < hm.advanceWidth)
{
awMax = hm.advanceWidth;
// We want to give the user feedback to know what glyph id
// has the bad width assigned
if (awMax > advanceWidthMax)
{
string s = "glyph ID = " + iGlyph + ", advance width = " + awMax;
v.Error(T.hhea_MinMax, E.hhea_E_advanceWidthMax, m_tag, s);
bRet = false;
}
}
Table_glyf.header gh = glyfTable.GetGlyphHeader(iGlyph, fontOwner);
// calculate for all non-zero contours...this includes composites
if (gh != null &&
gh.numberOfContours != 0)
{
if (minLSB > hm.lsb)
{
minLSB = hm.lsb;
}
short rsb = (short)(hm.advanceWidth - hm.lsb - (gh.xMax - gh.xMin));
if (minRSB > rsb)
{
minRSB = rsb;
}
short extent = (short)(hm.lsb + (gh.xMax - gh.xMin));
if (xmaxEx < extent)
{
xmaxEx = extent;
}
}
}
if (hm != null)
{
if (advanceWidthMax == awMax)
{
v.Pass(T.hhea_MinMax, P.hhea_P_advanceWidthMax, m_tag);
}
else
{
string s = "actual = " + advanceWidthMax + ", calc = " + awMax;
v.Error(T.hhea_MinMax, E.hhea_E_advanceWidthMax, m_tag, s);
bRet = false;
}
if (minLeftSideBearing == minLSB)
{
v.Pass(T.hhea_MinMax, P.hhea_P_minLeftSideBearing, m_tag);
}
else
{
string s = "actual = " + minLeftSideBearing + ", calc = " + minLSB;
v.Error(T.hhea_MinMax, E.hhea_E_minLeftSideBearing, m_tag, s);
bRet = false;
}
if (minRightSideBearing == minRSB)
{
v.Pass(T.hhea_MinMax, P.hhea_P_minRightSideBearing, m_tag);
}
else
{
string s = "actual = " + minRightSideBearing + ", calc = " + minRSB;
v.Error(T.hhea_MinMax, E.hhea_E_minRightSideBearing, m_tag, s);
bRet = false;
}
if (xMaxExtent == xmaxEx)
{
v.Pass(T.hhea_MinMax, P.hhea_P_xMaxExtent, m_tag);
}
else
{
string s = "actual = " + xMaxExtent + ", calc = " + xmaxEx;
v.Error(T.hhea_MinMax, E.hhea_E_xMaxExtent, m_tag, s);
bRet = false;
}
}
else
{
v.Warning(T.hhea_MinMax, W.hhea_W_hmtx_invalid, m_tag, "unable to parse hmtx table");
}
}
}
else
{
v.Info(T.hhea_MinMax, I._TEST_I_NotForCFF, m_tag, "test = hhea_MinMax");
}
}
if (v.PerformTest(T.hhea_reserved))
{
if (reserved1 != 0)
{
v.Error(T.hhea_reserved, E.hhea_E_reserved1, m_tag, reserved1.ToString());
bRet = false;
}
else if (reserved2 != 0)
{
v.Error(T.hhea_reserved, E.hhea_E_reserved2, m_tag, reserved2.ToString());
bRet = false;
}
else if (reserved3 != 0)
{
v.Error(T.hhea_reserved, E.hhea_E_reserved3, m_tag, reserved3.ToString());
bRet = false;
}
else if (reserved4 != 0)
{
v.Error(T.hhea_reserved, E.hhea_E_reserved4, m_tag, reserved4.ToString());
bRet = false;
}
else
{
v.Pass(T.hhea_reserved, P.hhea_P_reserved, m_tag);
}
}
if (v.PerformTest(T.hhea_metricDataFormat))
{
if (metricDataFormat == 0)
{
v.Pass(T.hhea_metricDataFormat, P.hhea_P_metricDataFormat, m_tag);
}
else
{
v.Error(T.hhea_metricDataFormat, E.hhea_E_metricDataFormat, m_tag, metricDataFormat.ToString());
bRet = false;
}
}
if (v.PerformTest(T.hhea_numberOfHMetrics))
{
Table_hmtx hmtxTable = (Table_hmtx)fontOwner.GetTable("hmtx");
Table_maxp maxpTable = (Table_maxp)fontOwner.GetTable("maxp");
if (hmtxTable == null)
{
v.Error(T.hhea_numberOfHMetrics, E._TEST_E_TableMissing, m_tag, "hmtx");
bRet = false;
}
else if (maxpTable == null)
{
v.Error(T.hhea_numberOfHMetrics, E._TEST_E_TableMissing, m_tag, "maxp");
bRet = false;
}
else
{
ushort numGlyphs = fontOwner.GetMaxpNumGlyphs();
if (numberOfHMetrics * 4 + (numGlyphs - numberOfHMetrics) * 2 == hmtxTable.GetLength())
{
v.Pass(T.hhea_numberOfHMetrics, P.hhea_P_numberOfHMetrics, m_tag);
}
else
{
v.Error(T.hhea_numberOfHMetrics, E.hhea_E_numberOfHMetrics, m_tag);
bRet = false;
}
}
}
if (v.PerformTest(T.hhea_caretSlope))
{
bool bSlopeOk = true;
Table_post postTable = (Table_post)fontOwner.GetTable("post");
if (postTable != null)
{
uint ia = postTable.italicAngle.GetUint();
double dItalicAngle = postTable.italicAngle.GetDouble();
if (ia == 0)
{
if (caretSlopeRun != 0)
{
v.Error(T.hhea_caretSlope, E.hhea_E_caretSlopeRunNonZero_italicAngle, m_tag);
bSlopeOk = false;
bRet = false;
}
}
else
{
if (caretSlopeRun == 0)
{
v.Error(T.hhea_caretSlope, E.hhea_E_caretSlopeRunZero_italicAngle, m_tag);
bSlopeOk = false;
bRet = false;
}
else
{
double dActualAngle = 90.0 + postTable.italicAngle.GetDouble();
double dhheaAngle = (Math.Atan2(caretSlopeRise, caretSlopeRun)) * (180.0 / Math.PI);
if (Math.Abs(dActualAngle - dhheaAngle) >= 1.0)
{
string sDetails = "caretSlope Rise:Run = " + caretSlopeRise + ":" + caretSlopeRun +
" (" + (dhheaAngle - 90.0) + " degrees)" +
", post.italicAngle = 0x" + ia.ToString("x8") +
" (" + postTable.italicAngle.GetDouble() + " degrees)";
v.Error(T.hhea_caretSlope, E.hhea_E_caretSlopeAngle_italicAngle, m_tag, sDetails);
bSlopeOk = false;
bRet = false;
}
}
}
}
else
{
v.Error(T.hhea_caretSlope, E._TEST_E_TableMissing, m_tag, "post table missing, can't compare caret slope to italicAngle");
bSlopeOk = false;
bRet = false;
}
if (bSlopeOk)
{
v.Pass(T.hhea_caretSlope, P.hhea_P_caretSlopeAngle_italicAngle, m_tag);
}
}
return(bRet);
}
/************************
* public methods
*/
public bool Validate(Validator v, OTFontVal fontOwner)
{
bool bRet = true;
if (v.PerformTest(T.post_TableLength))
{
bool bLenOk = true;
if (Version.GetUint() == 0x00010000 ||
Version.GetUint() == 0x00030000)
{
if (GetLength() != 32)
{
v.Error(T.post_TableLength, E.post_E_TableLenNot32, m_tag);
bLenOk = false;
bRet = false;
}
}
if (Version.GetUint() == 0x00020000)
{
if (GetLength() < 34)
{
v.Error(T.post_TableLength, E.post_E_InvalidTableLen, m_tag);
bLenOk = false;
bRet = false;
}
}
if (bLenOk)
{
v.Pass(T.post_TableLength, P.post_P_TableLength, m_tag);
}
}
if (v.PerformTest(T.post_Version))
{
uint ver = Version.GetUint();
if (ver == 0x00025000)
{
v.Warning(T.post_Version, W.post_W_Version_2_5, m_tag);
}
else if (ver == 0x00010000 || ver == 0x00020000 || ver == 0x00030000)
{
v.Pass(T.post_Version, P.post_P_Version, m_tag);
}
else
{
v.Error(T.post_Version, E.post_E_Version, m_tag, "0x"+ver.ToString("x8"));
}
}
if (v.PerformTest(T.post_italicAngle))
{
bool bItalOk = true;
uint ia = italicAngle.GetUint();
double dItalicAngle = italicAngle.GetDouble();
if (dItalicAngle < -30.0 || dItalicAngle > 360.0 || (dItalicAngle > 0.0 && dItalicAngle < 330.0 ))
{
v.Warning(T.post_italicAngle, W.post_W_italicAngle_unlikely, m_tag, "0x"+ia.ToString("x8"));
bItalOk = false;
}
Table_head headTable = (Table_head)fontOwner.GetTable("head");
if (headTable != null)
{
if ((headTable.macStyle & 0x0002) != 0)
{
if (ia == 0)
{
v.Error(T.post_italicAngle, E.post_E_italicAngleZero_macStyle, m_tag);
bItalOk = false;
bRet = false;
}
}
else
{
if (ia != 0)
{
v.Error(T.post_italicAngle, E.post_E_italicAngleNonzero_macStyle, m_tag);
bItalOk = false;
bRet = false;
}
}
}
else
{
v.Error(T.post_italicAngle, E._TEST_E_TableMissing, m_tag, "head table missing, can't compare italicAngle to head.macStyle");
bItalOk = false;
}
Table_hhea hheaTable = (Table_hhea)fontOwner.GetTable("hhea");
if (hheaTable != null)
{
if (ia == 0)
{
if (hheaTable.caretSlopeRun != 0)
{
v.Error(T.post_italicAngle, E.post_E_italicAngleZero_caretSlopeRun, m_tag);
bItalOk = false;
bRet = false;
}
}
else
{
if (hheaTable.caretSlopeRun == 0)
{
v.Error(T.post_italicAngle, E.post_E_italicAngleNonzero_caretSlopeRun, m_tag);
bItalOk = false;
bRet = false;
}
else
{
double dActualAngle = 90.0 + italicAngle.GetDouble();
double dhheaAngle = (Math.Atan2(hheaTable.caretSlopeRise, hheaTable.caretSlopeRun)) * (180.0 / Math.PI);
if (Math.Abs(dActualAngle-dhheaAngle) >= 1.0)
{
string sDetails = "italicAngle = 0x" + ia.ToString("x8") +
" (" + italicAngle.GetDouble() + " degrees)" +
",caretSlope Rise:Run = " + hheaTable.caretSlopeRise + ":" + hheaTable.caretSlopeRun +
" (" + (dhheaAngle-90.0) + " degrees)";
v.Error(T.post_italicAngle, E.post_E_italicAngleNonzero_hheaAngle, m_tag, sDetails);
bItalOk = false;
bRet = false;
}
}
}
}
else
{
v.Error(T.post_italicAngle, E._TEST_E_TableMissing, m_tag, "hhea table missing, can't compare italicAngle to hhea.caretSlopeRun");
bItalOk = false;
bRet = false;
}
if (bItalOk)
{
v.Pass(T.post_italicAngle, P.post_P_italicAngle, m_tag);
}
}
if (v.PerformTest(T.post_underlinePosition))
{
Table_hhea hheaTable = (Table_hhea)fontOwner.GetTable("hhea");
if (hheaTable != null)
{
if (underlinePosition >= hheaTable.Descender)
{
v.Pass(T.post_underlinePosition, P.post_P_underlinePosition, m_tag);
}
else
{
v.Warning(T.post_underlinePosition, W.post_W_underlinePos_LT_descender, m_tag);
//bRet = false;
}
}
else
{
v.Error(T.post_underlinePosition, E._TEST_E_TableMissing, m_tag, "hhea table missing, can't compare underlinePosition to hhea.Descender");
}
}
if (v.PerformTest(T.post_underlineThickness))
{
Table_head headTable = (Table_head)fontOwner.GetTable("head");
if (headTable != null)
{
if (underlineThickness >= 0 && underlineThickness < headTable.unitsPerEm / 2 )
{
v.Pass(T.post_underlineThickness, P.post_P_underlineThickness, m_tag);
}
else
{
v.Warning(T.post_underlineThickness, W.post_W_underlineThickness, m_tag, underlineThickness.ToString());
}
}
else
{
v.Error(T.post_underlineThickness, E._TEST_E_TableMissing, m_tag, "head table missing, can't compare underlineThickness to head.unitsPerEm");
bRet = false;
}
}
if (v.PerformTest(T.post_isFixedPitch))
{
bool bFixedPitchOk = true;
Table_hmtx hmtxTable = (Table_hmtx)fontOwner.GetTable("hmtx");
if (hmtxTable != null)
{
uint numberOfHMetrics = 0;
Table_hhea hheaTable = (Table_hhea)fontOwner.GetTable("hhea");
if (hheaTable != null)
{
numberOfHMetrics = hheaTable.numberOfHMetrics;
}
else
{
v.Error(T.post_isFixedPitch, E._TEST_E_TableMissing, m_tag, "hhea table missing, can't compare isFixedPitch to horizontal metrics");
bRet = false;
}
bool bHmtxMono = hmtxTable.IsMonospace(fontOwner);
if (isFixedPitch == 0 && bHmtxMono)
{
v.Error(T.post_isFixedPitch, E.post_E_isFixedPitchZero_hmtx, m_tag);
bFixedPitchOk = false;
bRet = false;
}
else if (isFixedPitch != 0 && !bHmtxMono)
{
v.Error(T.post_isFixedPitch, E.post_E_isFixedPitchNonzero_hmtx, m_tag);
bFixedPitchOk = false;
bRet = false;
}
}
else
{
v.Error(T.post_isFixedPitch, E._TEST_E_TableMissing, m_tag, "hmtx table missing, can't compare isFixedPitch to horizontal metrics");
bRet = false;
}
Table_OS2 OS2Table = (Table_OS2)fontOwner.GetTable("OS/2");
if (OS2Table != null)
{
if (OS2Table.panose_byte1 == 2) // PANOSE family kind == LatinText
{
if (isFixedPitch == 0 && OS2Table.panose_byte4 == 9) // PANOSE proportion == monospaced
{
v.Error(T.post_isFixedPitch, E.post_E_isFixedPitchZero_OS_2, m_tag);
bFixedPitchOk = false;
bRet = false;
}
else if (isFixedPitch != 0 && OS2Table.panose_byte4 != 9)
{
v.Error(T.post_isFixedPitch, E.post_E_isFixedPitchNonzero_OS_2, m_tag);
bFixedPitchOk = false;
bRet = false;
}
}
}
else
{
v.Error(T.post_isFixedPitch, E._TEST_E_TableMissing,
m_tag, "OS/2 table is missing, can't compare isFixedPitch to OS/2 PANOSE");
bRet = false;
}
if (bFixedPitchOk && hmtxTable != null && OS2Table != null)
{
v.Pass(T.post_isFixedPitch, P.post_P_isFixedPitch, m_tag, "matches the hmtx and OS/2 tables");
}
else if (bFixedPitchOk && hmtxTable == null && OS2Table != null)
{
v.Pass(T.post_isFixedPitch, P.post_P_isFixedPitch, m_tag, "matches the OS/2 table");
}
else if (bFixedPitchOk && hmtxTable != null && OS2Table == null)
{
v.Pass(T.post_isFixedPitch, P.post_P_isFixedPitch, m_tag, "matches the hmtx table");
}
}
if (v.PerformTest(T.post_v2_numberOfGlyphs))
{
if (Version.GetUint() == 0x00020000)
{
Table_maxp maxpTable = (Table_maxp)fontOwner.GetTable("maxp");
if (maxpTable == null)
{
v.Error(T.post_v2_numberOfGlyphs, E._TEST_E_TableMissing, m_tag, "maxp table is missing");
bRet = false;
}
else
{
if (numberOfGlyphs == fontOwner.GetMaxpNumGlyphs())
{
v.Pass(T.post_v2_numberOfGlyphs, P.post_P_v2_numberOfGlyphs, m_tag);
}
else
{
v.Error(T.post_v2_numberOfGlyphs, E.post_E_v2_numberOfGlyphs,
m_tag, "numberOfGlyphs = " + numberOfGlyphs +
", maxp.numGlyphs = " + fontOwner.GetMaxpNumGlyphs());
bRet = false;
}
}
}
else
{
v.Info(T.post_v2_numberOfGlyphs, I.post_I_v2_numberOfGlyphs_notv2, m_tag);
}
}
if (v.PerformTest(T.post_v2_glyphNameIndex))
{
if (Version.GetUint() == 0x00020000 && GetLength() >= 34)
{
bool bIndexOk = true;
for (uint i=0; i<numberOfGlyphs; i++)
{
if ((uint)FieldOffsetsVer2.glyphNameIndex + i*2 + 2 <= m_bufTable.GetLength())
{
ushort index = GetGlyphNameIndex((ushort)i);
if (index-258 >= m_nameOffsets.Length)
{
string s = "glyphNameIndex[" + i + "] = " +
index + ", # names = " + m_nameOffsets.Length;
v.Error(T.post_v2_glyphNameIndex, E.post_E_glyphNameIndex_range, m_tag, s);
bIndexOk = false;
bRet = false;
}
}
else
{
v.Warning(T.post_v2_glyphNameIndex,
W._TEST_W_OtherErrorsInTable, m_tag,
"unable to validate any more glyph indexes, index " +
i + " is past end of table");
bIndexOk = false;
break;
}
}
if (bIndexOk)
{
v.Pass(T.post_v2_glyphNameIndex, P.post_P_glyphNameIndex, m_tag);
}
}
else
{
v.Info(T.post_v2_glyphNameIndex, I.post_I_v2_glyphNameIndex_notv2, m_tag);
}
}
if (v.PerformTest(T.post_v2_names))
{
if (Version.GetUint() == 0x00020000)
{
PostNames pn = new PostNames();
bool bNamesOk = true;
byte [] buf = new byte[2];
for (uint iGlyph=0; iGlyph<numberOfGlyphs; iGlyph++)
{
if ((uint)FieldOffsetsVer2.glyphNameIndex + iGlyph*2 + 2
<= m_bufTable.GetLength())
{
uint index = GetGlyphNameIndex((ushort)iGlyph);
if (index >= 258 && index-258 < m_nameOffsets.Length)
{
if (m_nameOffsets[index-258] >= GetLength())
{
string s = "name index = " + index;
v.Error(T.post_v2_names,
E.post_E_v2_NameOffsetInvalid,
m_tag, s);
bNamesOk = false;
bRet = false;
}
else
{
uint length =
m_bufTable.GetByte(m_nameOffsets[index-258]);
if (m_nameOffsets[index-258] + length < GetLength())
{
bNamesOk = CheckNames( v, fontOwner, pn, iGlyph, index );
}
else
{
string s = "name index = " + index;
v.Error(T.post_v2_names, E.post_E_v2_NameLengthInvalid, m_tag, s);
bNamesOk = false;
bRet = false;
}
}
}
}
else
{
v.Warning(T.post_v2_names, W._TEST_W_OtherErrorsInTable, m_tag,
"unable to validate any more names, index " +
iGlyph + " is past end of table");
bNamesOk = false;
break;
}
}
if (bNamesOk)
{
v.Pass(T.post_v2_names, P.post_P_names, m_tag);
}
}
else
{
v.Info(T.post_v2_names, I.post_I_v2_names_notv2, m_tag);
}
}
return bRet;
}
/************************
* public methods
*/
public bool Validate(Validator v, OTFontVal fontOwner)
{
bool bRet = true;
if (v.PerformTest(T.maxp_TableVersion))
{
uint val = TableVersionNumber.GetUint();
Table_CFF CFFTable = (Table_CFF) fontOwner.GetTable("CFF ");
Table_glyf glyfTable = (Table_glyf) fontOwner.GetTable("glyf");
if (val == 0x00005000)
{
if (CFFTable != null && glyfTable == null)
{
v.Pass(T.maxp_TableVersion, P.maxp_P_VERSION_0_5, m_tag);
}
else if (CFFTable == null)
{
v.Error(T.maxp_TableVersion, E.maxp_E_VERSION_0_5_NOCFF, m_tag);
bRet = false;
}
else if (glyfTable != null)
{
v.Error(T.maxp_TableVersion, E.maxp_E_VERSION_0_5_glyf, m_tag);
bRet = false;
}
}
else if (val == 0x00010000)
{
if (CFFTable == null && glyfTable != null)
{
v.Pass(T.maxp_TableVersion, P.maxp_P_VERSION_1_0, m_tag);
}
else if (glyfTable == null)
{
v.Error(T.maxp_TableVersion, E.maxp_E_VERSION_1_0_NOglyf, m_tag);
bRet = false;
}
else if (CFFTable != null)
{
v.Error(T.maxp_TableVersion, E.maxp_E_VERSION_1_0_CFF, m_tag);
bRet = false;
}
}
else
{
v.Error(T.maxp_TableVersion, E.maxp_E_VERSION_INVALID, m_tag, "0x"+val.ToString("x8"));
bRet = false;
}
}
if (v.PerformTest(T.maxp_TableLength))
{
uint val = TableVersionNumber.GetUint();
if (val == 0x00005000)
{
if (m_bufTable.GetLength() == 6)
{
v.Pass(T.maxp_TableLength, P.maxp_P_LENGTH_0_5, m_tag);
}
else
{
v.Error(T.maxp_TableLength, E.maxp_E_LENGTH_0_5, m_tag, m_bufTable.GetLength().ToString());
bRet = false;
}
}
else if (val == 0x00010000)
{
if (m_bufTable.GetLength() == 32)
{
v.Pass(T.maxp_TableLength, P.maxp_P_LENGTH_1_0, m_tag);
}
else
{
v.Error(T.maxp_TableLength, E.maxp_E_LENGTH_1_0, m_tag, m_bufTable.GetLength().ToString());
bRet = false;
}
}
}
if (v.PerformTest(T.maxp_NumGlyphsMatchLoca))
{
if (TableVersionNumber.GetUint() == 0x00010000)
{
Table_loca locaTable = (Table_loca)fontOwner.GetTable("loca");
if (locaTable != null)
{
// locaTable.NumEntry returns (-1) on failure
if (locaTable.NumEntry(fontOwner) == NumGlyphs+1)
{
v.Pass(T.maxp_NumGlyphsMatchLoca, P.maxp_P_NumGlyphsMatchLoca, m_tag, "numGlyphs = " + NumGlyphs);
}
else
{
v.Error(T.maxp_NumGlyphsMatchLoca, E.maxp_E_NumGlyphsMatchLoca, m_tag, "numGlyphs = " + NumGlyphs);
bRet = false;
}
}
else
{
v.Error(T.maxp_NumGlyphsMatchLoca, E._TEST_E_TableMissing, m_tag, "loca");
bRet = false;
}
}
else
{
v.Info(T.maxp_NumGlyphsMatchLoca, I._TEST_I_TableVersion, m_tag, "test = maxp_NumGlyphsMatchLoca");
}
}
if (v.PerformTest(T.maxp_GlyphStats))
{
if (TableVersionNumber.GetUint() == 0x00010000)
{
Table_glyf glyfTable = (Table_glyf) fontOwner.GetTable("glyf");
if (glyfTable == null)
{
v.Error(T.maxp_GlyphStats, E._TEST_E_TableMissing, m_tag, "glyf");
bRet = false;
}
else
{
bool bGlyphStatsOk = true;
if (ComputeMaxpStats(glyfTable, fontOwner))
{
if (maxPoints != maxPointsCalc)
{
String sDetails = "maxPoints = " + maxPoints + ", calculated = " + maxPointsCalc;
v.Error(T.maxp_GlyphStats, E.maxp_E_Calculation, m_tag, sDetails);
bRet = false;
bGlyphStatsOk = false;
}
if (maxContours != maxContoursCalc)
{
String sDetails = "maxContours = " + maxContours + ", calculated = " + maxContoursCalc;
v.Error(T.maxp_GlyphStats, E.maxp_E_Calculation, m_tag, sDetails);
bRet = false;
bGlyphStatsOk = false;
}
if (maxCompositePoints != maxCompositePointsCalc)
{
String sDetails = "maxCompositePoints = " + maxCompositePoints + ", calculated = " + maxCompositePointsCalc;
v.Error(T.maxp_GlyphStats, E.maxp_E_Calculation, m_tag, sDetails);
bRet = false;
bGlyphStatsOk = false;
}
if (maxCompositeContours != maxCompositeContoursCalc)
{
String sDetails = "maxCompositeContours = " + maxCompositeContours + ", calculated = " + maxCompositeContoursCalc;
v.Error(T.maxp_GlyphStats, E.maxp_E_Calculation, m_tag, sDetails);
bRet = false;
bGlyphStatsOk = false;
}
// Bug 2168.
// Case 1: Same as max size from glyf table. Info.
// Case 2: Same as max size from glyf table +
// size(fpgm) + size(prep). Info message.
// Case 3: Smaller than max size from glyf table.
// Error
// Case 4: Neither 1 nor 2. Warning.
DirectoryEntry dePrep =
fontOwner.GetDirectoryEntry("prep" );
uint prepLength = 0;
if ( null != dePrep ) {
prepLength = dePrep.length;
}
DirectoryEntry deFpgm =
fontOwner.GetDirectoryEntry("fpgm" );
uint fpgmLength = 0;
if ( null != deFpgm ) {
fpgmLength = deFpgm.length;
}
if ( maxSizeOfInstructions ==
maxSizeOfInstructionsCalc ) {
// Case 1:
String sDetails = "maxSizeOfInstructions=" +
maxSizeOfInstructions + ", computed " +
"from the glyf table";
v.Info( T.maxp_GlyphStats,
I.maxp_I_Calculation_Method1,
m_tag, sDetails);
}
else if ( maxSizeOfInstructions ==
( maxSizeOfInstructionsCalc +
prepLength + fpgmLength ) ) {
// Case 2:
String sDetails =
"maxp maxSizeOfInstructions is " +
maxSizeOfInstructions + ", which is " +
"glyf maxSizeOfInstructions (" +
maxSizeOfInstructionsCalc +
") + prep size (" + prepLength +
") + fpgm size (" + fpgmLength + ")";
v.Info( T.maxp_GlyphStats,
I.maxp_I_Calculation_Method2,
m_tag, sDetails);
}
else if ( maxSizeOfInstructions <
maxSizeOfInstructionsCalc ) {
// Case 3
String sDetails =
"maxp maxSizeOfInstructions is " +
maxSizeOfInstructions +
", which is smaller than the " +
"size of instuctions (" +
maxSizeOfInstructionsCalc + ") found" +
" for some glyph in the glyf table.";
v.Error( T.maxp_GlyphStats,
E.maxp_E_Calculation, m_tag,
sDetails);
bRet = false;
}
else {
// Case 4
String sDetails =
"glyf maxSizeOfInstructions=" +
maxSizeOfInstructionsCalc +
", prep size=" + prepLength +
", fpgm size=" + fpgmLength +
", whereas maxp maxSizeOfInstruction " +
"is " + maxSizeOfInstructions;
v.Warning(T.maxp_GlyphStats,
W.maxp_W_Calculation_Unclear,
m_tag,
sDetails);
bGlyphStatsOk = false;
}
if (maxComponentElements != maxComponentElementsCalc)
{
String sDetails = "maxComponentElements = " + maxComponentElements + ", calculated = " + maxComponentElementsCalc;
v.Error(T.maxp_GlyphStats, E.maxp_E_Calculation, m_tag, sDetails);
bRet = false;
bGlyphStatsOk = false;
}
if (maxComponentDepth != maxComponentDepthCalc)
{
String sDetails = "maxComponentDepth = " + maxComponentDepth + ", calculated = " + maxComponentDepthCalc;
v.Error(T.maxp_GlyphStats, E.maxp_E_Calculation, m_tag, sDetails);
bRet = false;
bGlyphStatsOk = false;
}
if (bGlyphStatsOk)
{
v.Pass(T.maxp_GlyphStats, P.maxp_P_Calculation, m_tag);
}
}
else
{
v.Warning(T.maxp_GlyphStats, W._TEST_W_ErrorInAnotherTable, m_tag, "Errors in the glyf table are preventing validation of maxPoints, maxContours, maxCompositePoints, maxCompositeContours, maxSizeofInstructions, maxComponentElements, and maxComponentDepth");
}
}
}
else
{
v.Info(T.maxp_GlyphStats, I._TEST_I_TableVersion, m_tag, "test = maxp_GlyphStats");
}
}
return bRet;
}
public bool Validate(Validator v, OTFontVal fontOwner)
{
bool bRet = true;
bool bContinue = true;
if (v.PerformTest(T.SVG_version))
{
if ( version == 0 )
v.Pass(T.SVG_version, P.SVG_P_version, m_tag);
else
v.Warning(T.SVG_version, W.SVG_W_version, m_tag,
"Version=" + version);
}
if (v.PerformTest(T.SVG_offsetToSVGDocIndex))
{
uint offsetToSVGDocIndex_version0 = 10;
if ( offsetToSVGDocIndex == offsetToSVGDocIndex_version0 )
{
v.Pass(T.SVG_offsetToSVGDocIndex, P.SVG_P_offsetToSVGDocIndex, m_tag);
}
else
{
if ( offsetToSVGDocIndex < offsetToSVGDocIndex_version0 )
{
v.Error(T.SVG_offsetToSVGDocIndex, E.SVG_E_offsetToSVGDocIndex_Overlapping, m_tag,
"offset=" + offsetToSVGDocIndex);
bContinue = false;
bRet = false;
}
else
{
v.Warning(T.SVG_offsetToSVGDocIndex, W.SVG_W_offsetToSVGDocIndex_NonContiguous, m_tag,
"offset=" + offsetToSVGDocIndex);
}
}
}
if (v.PerformTest(T.SVG_reserved))
{
if ( reserved == 0 )
v.Pass(T.SVG_reserved, P.SVG_P_reserved, m_tag);
else
{
v.Warning(T.SVG_reserved, W.SVG_W_reserved, m_tag,
"Reserved=" + reserved);
}
}
if (v.PerformTest(T.SVG_numEntries))
{
if ( numEntries != 0 )
v.Pass(T.SVG_numEntries, P.SVG_P_numEntries, m_tag);
else
{
v.Warning(T.SVG_numEntries, W.SVG_W_numEntries, m_tag);
bContinue = false;
}
}
if (bContinue && v.PerformTest(T.SVG_SVGDocIndex))
{
bool statusOK = true;
int prev_startGlyphID = GetDocIndexEntry(0).startGlyphID - 1;
int prev_endGlyphID = GetDocIndexEntry(0).startGlyphID - 1;
uint prev_end = 2
+ (uint) numEntries * 12;
for (uint j = 0; j < numEntries ; j++)
{
var docEntry = GetDocIndexEntry(j);
if (docEntry.endGlyphID < docEntry.startGlyphID)
{
v.Error(T.SVG_SVGDocIndex, E.SVG_E_SVGDocIndex, m_tag,
"Entry " + j + ": endGlyphID < startGlyphID");
statusOK = false;
}
if (docEntry.svgDocOffset == 0)
{
v.Error(T.SVG_SVGDocIndex, E.SVG_E_SVGDocIndex, m_tag,
"Entry " + j + ": svgDocOffset is zero");
statusOK = false;
}
if (docEntry.svgDocLength == 0)
{
v.Error(T.SVG_SVGDocIndex, E.SVG_E_SVGDocIndex, m_tag,
"Entry " + j + ": svgDocLength is zero");
statusOK = false;
}
if (docEntry.startGlyphID <= prev_startGlyphID)
{
v.Error(T.SVG_SVGDocIndex, E.SVG_E_SVGDocIndex, m_tag,
"Entry " + j + ": startGlyphID not in increasing order");
statusOK = false;
}
if (docEntry.startGlyphID <= prev_endGlyphID)
{
v.Error(T.SVG_SVGDocIndex, E.SVG_E_SVGDocIndex, m_tag,
"Entry " + j + ": startGlyphID overlaps previous endGlyphID");
statusOK = false;
}
if ( docEntry.svgDocOffset < prev_end )
{
v.Error(T.SVG_SVGDocIndex, E.SVG_E_SVGDocIndex, m_tag,
"Entry " + j + ": overlaps previous entry" + docEntry.svgDocOffset + "<" + prev_end);
statusOK = false;
bContinue = false;
}
else
if ( docEntry.svgDocOffset > prev_end )
{
v.Warning(T.SVG_SVGDocIndex, W.SVG_W_SVGDocIndex, m_tag,
"Entry " + j + ": non-contiguous from previous entry");
statusOK = false;
}
prev_startGlyphID = docEntry.startGlyphID;
prev_endGlyphID = docEntry.endGlyphID;
prev_end = docEntry.svgDocOffset + docEntry.svgDocLength;
}
if (statusOK)
v.Pass(T.SVG_SVGDocIndex, P.SVG_P_SVGDocIndex, m_tag);
}
if (bContinue && v.PerformTest(T.SVG_TryLoadSVG))
{
bool statusOK = true;
XmlDocument doc = new XmlDocument();
doc.XmlResolver = null;
for (uint j = 0; j < numEntries ; j++)
{
var svgdoc = GetDoc(j);
using(MemoryStream ms = new MemoryStream(svgdoc))
{
try
{
doc.Load(ms);
}
catch (Exception e)
{
v.Error(T.SVG_TryLoadSVG, E.SVG_E_TryLoadSVG, m_tag,
"document " + j + " Error:" + e.Message);
statusOK = false;
}
}
}
if (statusOK)
v.Pass(T.SVG_TryLoadSVG, P.SVG_P_TryLoadSVG, m_tag);
}
return bRet;
}
/************************
* public methods
*/
public bool Validate(Validator v, OTFontVal fontOwner)
{
bool bRet = true;
if (v.PerformTest(T.LTSH_version))
{
if (version == 0)
{
v.Pass(T.LTSH_version, P.LTSH_P_version, m_tag);
}
else
{
v.Error(T.LTSH_version, E.LTSH_E_version, m_tag, version.ToString());
bRet = false;
}
}
Table_maxp maxpTable = (Table_maxp)fontOwner.GetTable("maxp");
if (maxpTable == null)
{
v.Error(T.T_NULL, E._TEST_E_TableMissing, m_tag, "Unable to test this table, maxp table is invalid or missing");
return false;
}
if (v.PerformTest(T.LTSH_numGlyphs))
{
if (numGlyphs == fontOwner.GetMaxpNumGlyphs())
{
v.Pass(T.LTSH_numGlyphs, P.LTSH_P_numGlyphs, m_tag);
}
else
{
string s = "LTSH.numGlyphs = " + numGlyphs + ", maxp.numGlyphs = " + fontOwner.GetMaxpNumGlyphs();
v.Error(T.LTSH_numGlyphs, E.LTSH_E_numGlyphs, m_tag, s);
bRet = false;
}
}
if (v.PerformTest(T.LTSH_TableLength))
{
uint CalcLength = (uint)FieldOffsets.yPels + numGlyphs;
if (GetLength() == CalcLength)
{
v.Pass(T.LTSH_TableLength, P.LTSH_P_TableLength, m_tag);
}
else
{
string s = "calc length = " + CalcLength + ", actual length = " + GetLength();
v.Error(T.LTSH_TableLength, E.LTSH_E_TableLength, m_tag, s);
bRet = false;
}
}
if (v.PerformTest(T.LTSH_yPels))
{
bool bYPelsOk = true;
RasterInterf.DevMetricsData dmd = null;
try
{
Version ver = fontOwner.GetFile().GetRasterizer().FTVersion;
if ( ver.CompareTo(new Version(2,6,1)) < 0 )
v.Warning(T.LTSH_yPels, W.LTSH_W_Need_Newer_FreeType, m_tag,
"Using FreeType Version " + ver + " may not get correct results for LTSH");
dmd = fontOwner.GetCalculatedDevMetrics();
}
catch (Exception e)
{
v.ApplicationError(T.LTSH_yPels, E._Table_E_Exception, m_tag, e.Message);
bRet = false;
}
if (dmd != null)
{
for( uint iGlyphIndex = 0; iGlyphIndex < numGlyphs; iGlyphIndex++ )
{
if (iGlyphIndex >= fontOwner.GetMaxpNumGlyphs())
{
// JJF. Figure out what to do
v.Warning(T.LTSH_yPels, W._TEST_W_OtherErrorsInTable, m_tag, "can't test all yPel values, LTSH.numGlyphs does not equal maxp.numGlyphs");
bRet = false;
bYPelsOk = false;
break;
}
if( GetYPel(iGlyphIndex) != dmd.ltshData.yPels[iGlyphIndex] )
{
String sDetails = "glyph# = " + iGlyphIndex + ", value = " + GetYPel(iGlyphIndex) + ", calculated value = " + dmd.ltshData.yPels[iGlyphIndex];
v.Error(T.LTSH_yPels, E.LTSH_E_yPels, m_tag, sDetails);
bRet = false;
bYPelsOk = false;
}
/*
else
{
String sDetails = "glyph# = " + iGlyphIndex + ", value = " + GetYPel(iGlyphIndex);
v.DebugMsg("yPel value OK! " + sDetails, m_tag);
}
*/
if (GetYPel(iGlyphIndex) == 0)
{
String sDetails = "glyph# = " + iGlyphIndex;
v.Warning(T.LTSH_yPels, W.LTSH_W_yPels_zero, m_tag, sDetails);
}
}
if (bYPelsOk)
{
v.Pass(T.LTSH_yPels, P.LTSH_P_yPels, m_tag);
}
}
else
{
// if user didn't cancel, then check for error message
if (!v.CancelFlag)
{
String sDetails = null;
try
{
sDetails = fontOwner.GetDevMetricsDataError();
}
catch (Exception e)
{
v.ApplicationError(T.LTSH_yPels, E._Table_E_Exception, m_tag, e.Message);
}
Debug.Assert(sDetails != null);
v.Error(T.LTSH_yPels, E.LTSH_E_Rasterizer, m_tag, sDetails);
bRet = false;
}
}
}
return bRet;
}
/************************
* public methods
*/
public bool Validate(Validator v, OTFontVal fontOwner)
{
bool bRet = true;
if (v.PerformTest(T.kern_TableVersion))
{
if (version == 0)
{
v.Pass(T.kern_TableVersion, P.kern_P_TableVersion, m_tag);
}
else
{
v.Error(T.kern_TableVersion, E.kern_E_TableVersion, m_tag, "version = " + version.ToString() + ", unrecognized version #, no further tests can be performed");
return false;
}
}
if (v.PerformTest(T.kern_NumSubtables))
{
if (nTables != 0)
{
v.Pass(T.kern_NumSubtables, P.kern_P_NumSubTables, m_tag, nTables.ToString());
}
else
{
v.Error(T.kern_NumSubtables, E.kern_E_NumSubTables, m_tag);
bRet = false;
}
}
if (v.PerformTest(T.kern_SubtableFormats))
{
bool bFormatsOk = true;
for (uint i=0; i<nTables; i++)
{
SubTableHeader sth = GetSubTableHeader(i);
if (sth != null)
{
if (sth.GetFormat() != 0 && sth.GetFormat() != 2)
{
v.Error(T.kern_SubtableFormats, E.kern_E_SubtableFormats, m_tag, "subtable #" + i + ", format " + sth.GetFormat());
bFormatsOk = false;
bRet = false;
}
}
else
{
v.Error(T.kern_SubtableFormats, E.kern_E_SubTableExtendsPastEOT, m_tag, "subtable #" + i );
bFormatsOk = false;
bRet = false;
break;
}
}
if (bFormatsOk)
{
v.Pass(T.kern_SubtableFormats, P.kern_P_SubtableFormats, m_tag);
}
}
if (!bRet)
{
v.Warning(T.kern_SubtableFormats, W._TEST_W_OtherErrorsInTable, m_tag, "kern table appears to be corrupt. No further tests will be performed.");
return bRet;
}
if (v.PerformTest(T.kern_SubtableLength))
{
bool bLengthsOk = true;
for (uint i=0; i<nTables; i++)
{
SubTable st = this.GetSubTable(i);
if (st.length != st.CalculatedLength())
{
v.Error(T.kern_SubtableLength, E.kern_E_SubtableLength, m_tag, "subtable #" + i + ", length = " + st.length + ", calculated length = " + st.CalculatedLength());
bLengthsOk = false;
bRet = false;
}
}
if (bLengthsOk)
{
v.Pass(T.kern_SubtableLength, P.kern_P_SubtableLengths, m_tag);
}
}
if (v.PerformTest(T.kern_CoverageReservedBits))
{
bool bReservedOk = true;
for (uint i=0; i<nTables; i++)
{
SubTable st = this.GetSubTable(i);
if ((st.coverage & 0xf0) != 0)
{
bReservedOk = false;
v.Error(T.kern_CoverageReservedBits, E.kern_E_ReservedCoverageBits, m_tag, "subtable #" + i);
bRet = false;
break;
}
}
if (bReservedOk)
{
v.Pass(T.kern_CoverageReservedBits, P.kern_P_ReservedCoverageBits, m_tag);
}
}
if (v.PerformTest(T.kern_Format0_SearchFields))
{
bool bBinaryFieldsOk = true;
for (uint i=0; i<nTables; i++)
{
SubTable st = this.GetSubTable(i);
if (st.version == 0)
{
SubTableFormat0 stf0 = (SubTableFormat0)st;
ushort nPairs = stf0.nPairs;
ushort sizeofEntry = 6;
if (nPairs != 0)
{
ushort CalculatedSearchRange = (ushort)(util.MaxPower2LE(nPairs) * sizeofEntry);
ushort CalculatedEntrySelector = util.Log2(util.MaxPower2LE(nPairs));
ushort CalculatedRangeShift = (ushort)((nPairs - util.MaxPower2LE(nPairs))* sizeofEntry);
if (stf0.searchRange != CalculatedSearchRange)
{
string s = "subtable #" + i
+ ", calc = " + CalculatedSearchRange
+ ", actual = " + stf0.searchRange;
v.Error(T.kern_Format0_SearchFields, E.kern_E_Format0_searchRange, m_tag, s);
bBinaryFieldsOk = false;
bRet = false;
}
if (stf0.entrySelector != CalculatedEntrySelector)
{
string s = "subtable #" + i
+ ", calc = " + CalculatedEntrySelector
+ ", actual = " + stf0.entrySelector;
v.Error(T.kern_Format0_SearchFields, E.kern_E_Format0_entrySelector, m_tag, s);
bBinaryFieldsOk = false;
bRet = false;
}
if (stf0.rangeShift != CalculatedRangeShift)
{
string s = "subtable #" + i
+ ", calc = " + CalculatedRangeShift
+ ", actual = " + stf0.rangeShift;
v.Error(T.kern_Format0_SearchFields, E.kern_E_Format0_rangeShift, m_tag, s);
bBinaryFieldsOk = false;
bRet = false;
}
}
else
{
// cannot validate fields since they are undefined when nPairs is zero
v.Warning(T.kern_Format0_SearchFields, W.kern_W_Format0_SearchFields, m_tag, "subtable #" + i + ", nPairs = " + stf0.nPairs);
bBinaryFieldsOk = false;
}
}
}
if (bBinaryFieldsOk)
{
v.Pass(T.kern_Format0_SearchFields, P.kern_P_Format0_SearchFields, m_tag);
}
}
if (v.PerformTest(T.kern_Format0_GlyphIDs))
{
for (uint i=0; i<nTables; i++)
{
SubTable st = this.GetSubTable(i);
if (st.version == 0)
{
bool bGlyphIDsOk = true;
SubTableFormat0 stf0 = (SubTableFormat0)st;
for (int iPair=0; iPair<stf0.nPairs; iPair++)
{
ushort left=0, right=0;
short kernvalue=0;
stf0.GetKerningPairAndValue(iPair, ref left, ref right, ref kernvalue);
ushort numGlyphs = fontOwner.GetMaxpNumGlyphs();
if (left >= numGlyphs)
{
v.Error(T.kern_Format0_GlyphIDs, E.kern_E_Format0_GlyphIDs, m_tag, "kern pair[" + iPair + "]: left = " + left);
bGlyphIDsOk = false;
bRet = false;
}
if (right >= numGlyphs)
{
v.Error(T.kern_Format0_GlyphIDs, E.kern_E_Format0_GlyphIDs, m_tag, "kern pair[" + iPair + "]: right = " + right);
bGlyphIDsOk = false;
bRet = false;
}
}
if (bGlyphIDsOk)
{
v.Pass(T.kern_Format0_GlyphIDs, P.kern_P_Format0_GlyphIDs, m_tag);
}
}
}
}
if (v.PerformTest(T.kern_Format0_Values))
{
for (uint i=0; i<nTables; i++)
{
SubTable st = this.GetSubTable(i);
if (st.version == 0)
{
SubTableFormat0 stf0 = (SubTableFormat0)st;
Table_hmtx hmtxTable = (Table_hmtx)fontOwner.GetTable("hmtx");
if (hmtxTable != null)
{
bool bValuesOk = true;
for (int iPair=0; iPair<stf0.nPairs; iPair++)
{
ushort left=0, right=0;
short kernvalue=0;
stf0.GetKerningPairAndValue(iPair, ref left, ref right, ref kernvalue);
short absKernValue = Math.Abs(kernvalue);
Table_hmtx.longHorMetric lhmLeft = hmtxTable.GetOrMakeHMetric(left, fontOwner);
Table_hmtx.longHorMetric lhmRight = hmtxTable.GetOrMakeHMetric(right, fontOwner);
if (absKernValue > lhmLeft.advanceWidth && absKernValue > lhmRight.advanceWidth)
{
v.Error(T.kern_Format0_Values, E.kern_E_Format0_Values, m_tag, "kern pair[" + iPair + "]: left id = " + left + ", right id = " + right + ", value = " + kernvalue);
bValuesOk=false;
bRet = false;
}
}
if (bValuesOk)
{
v.Pass(T.kern_Format0_Values, P.kern_P_Format0_Values, m_tag);
}
}
}
}
}
if (v.PerformTest("kern_Format0_IDsInCmap"))
{
for (uint i=0; i<nTables; i++)
{
SubTable st = this.GetSubTable(i);
if (st.version == 0)
{
SubTableFormat0 stf0 = (SubTableFormat0)st;
Table_cmap cmapTable = (Table_cmap)fontOwner.GetTable("cmap");
if (cmapTable != null)
{
Table_cmap.Subtable cmapSubtable = cmapTable.GetSubtable(3,10);
if (cmapSubtable == null)
{
cmapSubtable = cmapTable.GetSubtable(3,1);
}
if (cmapSubtable == null)
{
Table_cmap.EncodingTableEntry ete = cmapTable .GetEncodingTableEntry(0);
cmapSubtable = cmapTable.GetSubtable(ete);
}
if (cmapSubtable != null)
{
uint [] map = cmapSubtable.GetMap();
bool bAllIDsInCmap = true;
for (int iPair=0; iPair<stf0.nPairs; iPair++)
{
ushort left=0, right=0;
short kernvalue=0;
stf0.GetKerningPairAndValue(iPair, ref left, ref right, ref kernvalue);
bool bFoundLeft = false;
bool bFoundRight = false;
for (int j=0; j<map.Length; j++)
{
if (left == map[j])
{
bFoundLeft = true;
break;
}
}
for (int j=0; j<map.Length; j++)
{
if (right == map[j])
{
bFoundRight = true;
break;
}
}
if (bFoundLeft==false)
{
v.Error(T.kern_Format0_IDsInCmap, E.kern_E_Format0_GlyphIdInCmap, m_tag, "kern pair[" + iPair + "]: left id = " + left);
bAllIDsInCmap = false;
bRet = false;
}
if (bFoundRight==false)
{
v.Error(T.kern_Format0_IDsInCmap, E.kern_E_Format0_GlyphIdInCmap, m_tag, "kern pair[" + iPair + "]: right id = " + right);
bAllIDsInCmap = false;
bRet = false;
}
}
if (bAllIDsInCmap)
{
v.Pass(T.kern_Format0_IDsInCmap, P.kern_P_Format0_GlyphIdInCmap, m_tag);
}
}
}
}
}
}
return bRet;
}
public bool Validate(Validator v, string sIdentity, OTTable table)
{
bool bRet = true;
// check the LookupType
if (((string)table.m_tag == "GPOS") && LookupType > 9
|| ((string)table.m_tag == "GSUB" && LookupType > 8))
{
v.Error(T.T_NULL, E._OTL_LookupTable_E_LookupType, table.m_tag, sIdentity + ", LookupType = " + LookupType);
bRet = false;
}
// check LookupFlag reserved bits are clear
if ((LookupFlag & 0x00f0) != 0)
{
v.Error(T.T_NULL, E._OTL_LookupTable_E_LookupFlag_reserved, table.m_tag, sIdentity);
bRet = false;
}
// check Subtable offset array doesn't extend past end of table
if (m_offsetLookupTable + (uint)FieldOffsets.SubTableOffsetArray + SubTableCount*2 > m_bufTable.GetLength())
{
v.Error(T.T_NULL, E._OTL_LookupTable_E_SubtableArray_pastEOT, table.m_tag, sIdentity);
bRet = false;
}
// check Subtable offsets don't point past end of table
for (uint i=0; i<SubTableCount; i++)
{
// verify that the subtable offset is accessible, if not error was already reported
if (m_offsetLookupTable + (uint)FieldOffsets.SubTableOffsetArray + i*2 + 2 <= m_bufTable.GetLength())
{
if (m_offsetLookupTable + GetSubTableOffset(i) > m_bufTable.GetLength())
{
v.Error(T.T_NULL, E._OTL_LookupTable_E_SubtableArray_offset, table.m_tag, sIdentity + ", SubTable[" + i + "]");
bRet = false;
}
}
}
// way too many lookup tables to justify this pass message
//if (bRet)
//{
// v.Pass("_OTL_LookupTable_P_valid", table.m_tag, sIdentity);
//}
// validate each subtable
for (uint i=0; i<SubTableCount; i++)
{
// verify that the subtable offset is accessible, if not error was already reported
if (m_offsetLookupTable + (uint)FieldOffsets.SubTableOffsetArray + i*2 + 2 <= m_bufTable.GetLength())
{
// verify subtable offset is valid
if (m_offsetLookupTable + GetSubTableOffset(i) <= m_bufTable.GetLength())
{
SubTable st = GetSubTable(i);
if (st != null)
{
I_OTLValidate iv = (I_OTLValidate)st;
bRet &= iv.Validate(v, sIdentity + ", SubTable[" + i + "]", table);
}
else
{
v.Warning(T.T_NULL, W._TEST_W_OtherErrorsInTable, table.m_tag, "unable to validate subtable: " + sIdentity + ", SubTable[" + i + "]");
}
}
else
{
v.Warning(T.T_NULL, W._TEST_W_OtherErrorsInTable, table.m_tag, "unable to validate subtable: " + sIdentity + ", SubTable[" + i + "]");
}
}
}
return bRet;
}
protected bool CheckForNoUnnecessaryTables(Validator v)
{
bool bRet = true;
bool bFoundUnnecessary = false;
Table_hmtx hmtxTable = (Table_hmtx)GetTable("hmtx");
if (hmtxTable != null)
{
if (hmtxTable.IsMonospace(this))
{
if (GetDirectoryEntry("hdmx") != null)
{
v.Warning(T.T_NULL, W._FONT_W_UnnecessaryTable, null, "hdmx table not needed for monospaced font");
bFoundUnnecessary = true;
}
if (GetDirectoryEntry("LTSH") != null)
{
v.Warning(T.T_NULL, W._FONT_W_UnnecessaryTable, null, "LTSH table not needed for monospaced font");
bFoundUnnecessary = true;
}
if (GetDirectoryEntry("kern") != null)
{
v.Warning(T.T_NULL, W._FONT_W_UnnecessaryTable, null, "kern table not needed for monospaced font");
bFoundUnnecessary = true;
}
}
if (GetDirectoryEntry("CFF ") == null && GetDirectoryEntry("VORG") != null)
{
v.Warning(T.T_NULL, W._FONT_W_UnnecessaryTable, null, "VORG table not needed, it may optionally be present for fonts with Postscript outlines");
bFoundUnnecessary = true;
}
if (GetDirectoryEntry("PCLT") != null)
{
v.Warning(T.T_NULL, W._FONT_W_UnnecessaryTable, null, "PCLT table not needed, Microsoft no longer recommends including this table");
bFoundUnnecessary = true;
}
}
if (GetDirectoryEntry("CFF ") != null)
{
string [] UnnecessaryTables = { "glyf", "fpgm", "cvt ", "loca", "prep" };
for (int i = 0; i < UnnecessaryTables.Length; i++)
{
if (GetDirectoryEntry(UnnecessaryTables[i]) != null)
{
v.Warning(T.T_NULL, W._FONT_W_UnnecessaryTable, null, UnnecessaryTables[i] + " not needed since the font contains a 'CFF ' table");
bFoundUnnecessary = true;
}
}
}
if (GetDirectoryEntry("glyf") != null)
{
if (GetDirectoryEntry("CFF ") != null)
{
v.Warning(T.T_NULL, W._FONT_W_UnnecessaryTable, null, "CFF not needed since the font contains a 'CFF ' table");
bFoundUnnecessary = true;
}
}
if (ContainsLatinOnly())
{
if (GetDirectoryEntry("vhea") != null)
{
v.Warning(T.T_NULL, W._FONT_W_UnnecessaryTable, null, "vhea not needed since the font only contains Latin characters");
bFoundUnnecessary = true;
}
if (GetDirectoryEntry("vmtx") != null)
{
v.Warning(T.T_NULL, W._FONT_W_UnnecessaryTable, null, "vmtx not needed since the font only contains Latin characters");
bFoundUnnecessary = true;
}
}
if (!bFoundUnnecessary)
{
v.Pass(P._FONT_P_UnnecessaryTable, null);
}
return(bRet);
}
/************************
* public methods
*/
public bool Validate(Validator v, OTFontVal fontOwner)
{
bool bRet = true;
if (v.PerformTest(T.head_TableLength))
{
if (m_bufTable.GetLength() == 54)
{
v.Pass(T.head_TableLength, P.head_P_TableLength, m_tag);
}
else
{
v.Error(T.head_TableLength, E.head_E_TableLength, m_tag, m_bufTable.GetLength().ToString());
bRet = false;
}
}
if (v.PerformTest(T.head_TableVersion))
{
if (TableVersionNumber.GetUint() == 0x00010000)
{
v.Pass(T.head_TableVersion, P.head_P_TableVersion, m_tag);
}
else
{
v.Error(T.head_TableVersion, E.head_E_TableVersion, m_tag, "0x"+TableVersionNumber.GetUint().ToString("x8"));
bRet = false;
}
}
if (v.PerformTest(T.head_fontRevision))
{
string sVersion = fontOwner.GetFontVersion();
if (sVersion != null)
{
if (sVersion.Length >= 11
&& sVersion.StartsWith("Version ")
&& Char.IsDigit(sVersion, 8))
{
string sVersionNum = sVersion.Substring(8);
bool bFoundDecPt = false;
int nLastDigitPos = 0;
for (int i=0; i<sVersionNum.Length; i++)
{
if (Char.IsDigit(sVersionNum, i))
{
nLastDigitPos = i;
}
else if (sVersionNum[i] == '.')
{
if (!bFoundDecPt)
{
bFoundDecPt = true;
}
else
{
break;
}
}
else
{
break;
}
}
double fVersion = Double.Parse(sVersionNum.Substring(0, nLastDigitPos+1));
double fRevision = fontRevision.GetDouble();
if (Math.Round(fVersion, 3) == Math.Round(fRevision, 3))
{
v.Pass(T.head_fontRevision, P.head_P_fontRevision, m_tag, fRevision.ToString("f3"));
}
else
{
string s = "revision: " + fRevision.ToString("f3") + ", version: " + sVersionNum;
v.Warning(T.head_fontRevision, W.head_W_fontRevision, m_tag, s);
}
}
}
}
if (v.PerformTest(T.head_ChecksumAdjustment))
{
if (checkSumAdjustment == 0xb1b0afba - fontOwner.CalcChecksum())
{
v.Pass(T.head_ChecksumAdjustment, P.head_P_FontChecksum, m_tag, "0x"+checkSumAdjustment.ToString("x8"));
}
else
{
v.Error(T.head_ChecksumAdjustment, E.head_E_FontChecksum, m_tag, "0x"+checkSumAdjustment.ToString("x8"));
bRet = false;
}
}
if (v.PerformTest(T.head_MagicNumber))
{
if (magicNumber == 0x5f0f3cf5)
{
v.Pass(T.head_MagicNumber, P.head_P_MagicNumber, m_tag);
}
else
{
v.Error(T.head_MagicNumber, E.head_E_MagicNumber, m_tag, "0x"+magicNumber.ToString("x8"));
bRet = false;
}
}
if (v.PerformTest(T.head_FlagTests))
{
ushort val = flags;
// bit 0 indicates baseline for font at y=0
// bit 1 indicates left sidebearing point at x=0
// bit 2 indicates instructions may depend on point size
// bit 3 indicates forcing ppem to integer values instead of fractional values
// bit 4 indicates non-linear scaling - if set allows presence of LTSH and/or hdmx tables
Table_hdmx hdmxTable = (Table_hdmx)fontOwner.GetTable("hdmx");
Table_LTSH LTSHTable = (Table_LTSH)fontOwner.GetTable("LTSH");
if ((val & 0x0010) == 0)
{
if (hdmxTable == null)
{
v.Pass(T.head_FlagTests, P.head_P_flags_bit4_0_hdmx, m_tag);
}
else
{
v.Error(T.head_FlagTests, E.head_E_flags_bit4_0_hdmx, m_tag);
}
if (LTSHTable == null)
{
v.Pass(T.head_FlagTests, P.head_P_flags_bit4_0_LTSH, m_tag);
}
else
{
v.Error(T.head_FlagTests, E.head_E_flags_bit4_0_LTSH, m_tag);
}
}
else
{
if (hdmxTable != null)
{
v.Pass(T.head_FlagTests, P.head_P_flags_bit4_1_hdmx, m_tag);
}
else
{
v.Warning(T.head_FlagTests, W.head_W_flags_bit4_1_hdmx, m_tag);
}
if (LTSHTable != null)
{
v.Pass(T.head_FlagTests, P.head_P_flags_bit4_1_LTSH, m_tag);
}
else
{
v.Warning(T.head_FlagTests, W.head_W_flags_bit4_1_LTSH, m_tag);
}
}
// bits 5 - 10 are used by apple and ignored by windows
// bit 11 indicates font data is 'lossless' as a result of having been compressed/decompressed
// bit 12 indicates a converted font
// bit 13 indicates optimized for cleartype
// bit 14 reserved
if ((val & 0x4000) == 0)
{
v.Pass(T.head_FlagTests, P.head_P_flags_bit14, m_tag);
}
else
{
v.Error(T.head_FlagTests, E.head_E_flags_bit14, m_tag, val.ToString());
bRet = false;
}
// bit 15 reserved
if ((val & 0x8000) == 0)
{
v.Pass(T.head_FlagTests, P.head_P_flags_bit15, m_tag);
}
else
{
v.Error(T.head_FlagTests, E.head_E_flags_bit15, m_tag, val.ToString());
bRet = false;
}
}
if (v.PerformTest(T.head_UnitsPerEmValues))
{
ushort val = unitsPerEm;
bool bInRange = false;
if (val < 16) // opentype spec says min value is 16
{
v.Error(T.head_UnitsPerEmValues, E.head_E_unitsPerEm_LT16, m_tag, val.ToString());
bRet = false;
}
else if (val < 64) // apple spec says min value is 64
{
v.Warning(T.head_UnitsPerEmValues, W.head_W_unitsPerEM_LT64, m_tag, val.ToString());
}
else if (val > 16384)
{
v.Error(T.head_UnitsPerEmValues, E.head_E_unitsPerEM_GT16384, m_tag, val.ToString());
bRet = false;
}
else
{
bInRange = true;
}
// apple spec says unitsPerEm must be power of two
// but don't check if it's a CFF font
if (!fontOwner.ContainsPostScriptOutlines())
{
bool bPowerOfTwo = false;
for (int i=0; i<16; i++)
{
ushort nPow2 = (ushort)(1<<i);
if (val == nPow2)
{
bPowerOfTwo = true;
break;
}
}
if (bPowerOfTwo)
{
if (bInRange)
{
v.Pass(T.head_UnitsPerEmValues, P.head_P_unitsPerEm, m_tag, val.ToString());
}
}
else
{
v.Warning(T.head_UnitsPerEmValues, W.head_W_unitsPerEm_Pow2, m_tag, val.ToString());
}
}
}
if (v.PerformTest(T.head_Dates))
{
DateTime dtBeforeTrueType = new DateTime(1985, 1, 1);
if ((created >> 32) == 0)
{
DateTime dtCreated = this.GetCreatedDateTime();
if (created == 0)
{
v.Warning(T.head_Dates, W.head_W_created_0, m_tag);
}
else if (dtCreated < dtBeforeTrueType || dtCreated > DateTime.Now)
{
string sDetails = "created = " + created + " (" + dtCreated.ToString("f", null) + ")";
v.Warning(T.head_Dates, W.head_W_created_unlikely, m_tag, sDetails);
}
else
{
v.Pass(T.head_Dates, P.head_P_created_0, m_tag);
}
}
else
{
string sDetails = "created = 0x" + created.ToString("x16");
v.Error(T.head_Dates, E.head_E_created_invalid, m_tag, sDetails);
bRet = false;
}
if ((modified >> 32) == 0)
{
DateTime dtModified = this.GetModifiedDateTime();
if (modified == 0)
{
v.Warning(T.head_Dates, W.head_W_modified_0, m_tag);
}
else if (dtModified < dtBeforeTrueType || dtModified > DateTime.Now)
{
string sDetails = "modified = " + modified + " (" + dtModified.ToString("f", null) + ")";
v.Warning(T.head_Dates, W.head_W_modified_unlikely, m_tag, sDetails);
}
else
{
v.Pass(T.head_Dates, P.head_P_modified_0, m_tag);
}
}
else
{
string sDetails = "modified = 0x" + modified.ToString("x16");
v.Error(T.head_Dates, E.head_E_modified_invalid, m_tag, sDetails);
bRet = false;
}
}
if (v.PerformTest(T.head_MinMaxValues))
{
if (fontOwner.ContainsTrueTypeOutlines())
{
if (xMin > xMax)
{
v.Error(T.head_MinMaxValues, E.head_E_xMin_GT_xMax, m_tag);
bRet = false;
}
if (yMin > yMax)
{
v.Error(T.head_MinMaxValues, E.head_E_yMin_GT_yMax, m_tag);
bRet = false;
}
short xMinExpected = 32767;
short xMaxExpected = -32768;
short yMinExpected = 32767;
short yMaxExpected = -32768;
Table_glyf glyfTable = (Table_glyf)fontOwner.GetTable("glyf");
if (glyfTable != null)
{
Table_maxp maxp = (Table_maxp)fontOwner.GetTable("maxp");
if (maxp != null)
{
for (uint i=0; i<fontOwner.GetMaxpNumGlyphs(); i++)
{
Table_glyf.header h = glyfTable.GetGlyphHeader(i, fontOwner);
if (h != null)
{
if (xMinExpected > h.xMin) xMinExpected = h.xMin;
if (xMaxExpected < h.xMax) xMaxExpected = h.xMax;
if (yMinExpected > h.yMin) yMinExpected = h.yMin;
if (yMaxExpected < h.yMax) yMaxExpected = h.yMax;
}
}
if (xMin == xMinExpected)
{
String s = "xMin = " + xMin;
v.Pass(T.head_MinMaxValues, P.head_P_xMin_glyf, m_tag, s);
}
else
{
string s = "actual: " + xMin + ", expected: " + xMinExpected;
v.Error(T.head_MinMaxValues, E.head_E_xMin_glyf, m_tag, s);
bRet = false;
}
if (yMin == yMinExpected)
{
String s = "yMin = " + yMin;
v.Pass(T.head_MinMaxValues, P.head_P_yMin_glyf, m_tag, s);
}
else
{
string s = "actual: " + yMin + ", expected: " + yMinExpected;
v.Error(T.head_MinMaxValues, E.head_E_yMin_glyf, m_tag, s);
bRet = false;
}
if (xMax == xMaxExpected)
{
String s = "xMax = " + xMax;
v.Pass(T.head_MinMaxValues, P.head_P_xMax_glyf, m_tag, s);
}
else
{
string s = "actual: " + xMax + ", expected: " + xMaxExpected;
v.Error(T.head_MinMaxValues, E.head_E_xMax_glyf, m_tag, s);
bRet = false;
}
if (yMax == yMaxExpected)
{
String s = "yMax = " + yMax;
v.Pass(T.head_MinMaxValues, P.head_P_yMax_glyf, m_tag, s);
}
else
{
string s = "actual: " + yMax + ", expected: " + yMaxExpected;
v.Error(T.head_MinMaxValues, E.head_E_yMax_glyf, m_tag, s);
bRet = false;
}
}
else
{
v.Error(T.head_MinMaxValues, E._TEST_E_TableMissing, m_tag, "maxp");
}
}
else
{
v.Error(T.head_MinMaxValues, E._TEST_E_TableMissing, m_tag, "glyf");
}
}
else
{
v.Info(T.head_MinMaxValues, I._TEST_I_NotForCFF, m_tag, "test = head_MinMaxValues");
}
}
if (v.PerformTest(T.head_MacStyleBits))
{
bool bMacBold = ((macStyle & 0x0001) != 0);
bool bMacItal = ((macStyle & 0x0002) != 0);
// subfamily (style) string
Table_name nameTable = (Table_name)fontOwner.GetTable("name");
string sStyle = null;
string sStyleLower = null;
if (nameTable != null)
{
sStyle = nameTable.GetStyleString();
if (sStyle != null)
{
sStyleLower = sStyle.ToLower();
}
}
if (sStyleLower != null)
{
if (bMacBold && sStyleLower.IndexOf("bold") == -1)
{
v.Error(T.head_MacStyleBits, E.head_E_macStyleBold_subfamily, m_tag, "macStyle bold bit is set, but subfamily is " + sStyle);
bRet = false;
}
else if (!bMacBold && sStyleLower.IndexOf("bold") != -1)
{
v.Error(T.head_MacStyleBits, E.head_E_macStyleBold_subfamily, m_tag, "macStyle bold bit is clear, but subfamily is " + sStyle);
bRet = false;
}
else
{
v.Pass(T.head_MacStyleBits, P.head_P_macStyleBold_subfamily, m_tag);
}
if (bMacItal && sStyleLower.IndexOf("italic") == -1 && sStyleLower.IndexOf("oblique") == -1)
{
v.Error(T.head_MacStyleBits, E.head_E_macStyleItal_subfamily, m_tag, "macStyle italic bit is set, but subfamily is " + sStyle);
bRet = false;
}
else if (!bMacItal && (sStyleLower.IndexOf("italic") != -1 || sStyleLower.IndexOf("oblique") != -1))
{
v.Error(T.head_MacStyleBits, E.head_E_macStyleItal_subfamily, m_tag, "macStyle italic bit is clear, but subfamily is " + sStyle);
bRet = false;
}
else
{
v.Pass(T.head_MacStyleBits, P.head_P_macStyleItal_subfamily, m_tag);
}
}
Table_OS2 OS2Table = (Table_OS2)fontOwner.GetTable("OS/2");
if (OS2Table != null)
{
// fsSelection
bool bOS2Bold = ((OS2Table.fsSelection & 0x0020) != 0);
bool bOS2Ital = ((OS2Table.fsSelection & 0x0001) != 0);
if (bMacBold == bOS2Bold)
{
v.Pass(T.head_MacStyleBits, P.head_P_macStyleBold_OS2, m_tag);
}
else if (bMacBold)
{
v.Error(T.head_MacStyleBits, E.head_E_macStyleBold1_OS2, m_tag);
bRet = false;
}
else
{
v.Error(T.head_MacStyleBits, E.head_E_macStyleBold0_OS2, m_tag);
bRet = false;
}
if (bMacItal == bOS2Ital)
{
v.Pass(T.head_MacStyleBits, P.head_P_macStyleItal_OS2, m_tag);
}
else if (bMacItal)
{
v.Error(T.head_MacStyleBits, E.head_E_macStyleItal1_OS2, m_tag);
bRet = false;
}
else
{
v.Error(T.head_MacStyleBits, E.head_E_macStyleItal0_OS2, m_tag);
bRet = false;
}
}
Table_post postTable = (Table_post)fontOwner.GetTable("post");
if (postTable != null)
{
bool bPostItal = (postTable.italicAngle.GetUint() != 0);
if (bMacItal == bPostItal)
{
v.Pass(T.head_MacStyleBits, P.head_P_macStyleItal_post, m_tag);
}
else if (bMacItal)
{
v.Error(T.head_MacStyleBits, E.head_E_macStyleItal1_post, m_tag);
bRet = false;
}
else
{
v.Error(T.head_MacStyleBits, E.head_E_macStyleItal0_post, m_tag);
bRet = false;
}
}
}
if (v.PerformTest(T.head_LowestRecSize))
{
if (lowestRecPPEM == 0)
{
v.Error(T.head_LowestRecSize, E.head_E_lowestRecPPEM_zero, m_tag);
bRet = false;
}
else if (lowestRecPPEM >= 1 && lowestRecPPEM <= 6)
{
v.Warning(T.head_LowestRecSize, W.head_W_lowestRecPPEM_small, m_tag, "lowestRecPPEM = " + lowestRecPPEM.ToString());
}
else if (lowestRecPPEM >= 36)
{
v.Warning(T.head_LowestRecSize, W.head_W_lowestRecPPEM_large, m_tag, "lowestRecPPEM = " + lowestRecPPEM.ToString());
}
else
{
v.Pass(T.head_LowestRecSize, P.head_P_lowestRecPPEM, m_tag);
}
}
if (v.PerformTest(T.head_FontDirectionHint))
{
if (fontDirectionHint >= -2 && fontDirectionHint <= 2)
{
v.Pass(T.head_FontDirectionHint, P.head_P_fontDirectionHint, m_tag, fontDirectionHint.ToString());
}
else
{
v.Error(T.head_FontDirectionHint, E.head_E_fontDirectionHint, m_tag, fontDirectionHint.ToString());
bRet = false;
}
}
if (v.PerformTest(T.head_IndexToLocFormat))
{
if (fontOwner.ContainsPostScriptOutlines())
{
v.Pass(T.head_IndexToLocFormat, P.head_P_indexToLocFormat_ignore, m_tag, "indexToLocFormat = " + indexToLocFormat);
}
else
{
if (indexToLocFormat == 0 || indexToLocFormat == 1)
{
v.Pass(T.head_IndexToLocFormat, P.head_P_indexToLocFormat_range, m_tag, indexToLocFormat.ToString());
}
else
{
v.Error(T.head_IndexToLocFormat, E.head_E_indexToLocFormat_range, m_tag, indexToLocFormat.ToString());
bRet = false;
}
if (indexToLocFormat == 0 || indexToLocFormat == 1)
{
Table_loca locaTable = (Table_loca)fontOwner.GetTable("loca");
if (locaTable != null)
{
Table_maxp maxpTable = (Table_maxp)fontOwner.GetTable("maxp");
if (maxpTable != null)
{
uint locaTableElementSize = 0;
if (indexToLocFormat == 0)
locaTableElementSize = 2;
else if (indexToLocFormat == 1)
locaTableElementSize = 4;
uint CalcLocaLength = (uint)(maxpTable.NumGlyphs + 1) * locaTableElementSize;
if (CalcLocaLength == locaTable.GetLength())
{
v.Pass(T.head_IndexToLocFormat, P.head_P_indexToLocFormat_match, m_tag, indexToLocFormat.ToString());
}
else
{
v.Error(T.head_IndexToLocFormat, E.head_E_indexToLocFormat_match, m_tag, indexToLocFormat.ToString());
bRet = false;
}
}
else
{
v.Error(T.head_IndexToLocFormat, E._TEST_E_TableMissing, m_tag, "maxp");
}
}
else
{
v.Error(T.head_IndexToLocFormat, E._TEST_E_TableMissing, m_tag, "loca");
}
}
}
}
if (v.PerformTest(T.head_GlyphDataFormat))
{
if (glyphDataFormat == 0)
{
v.Pass(T.head_GlyphDataFormat, P.head_P_glyphDataFormat, m_tag);
}
else
{
v.Error(T.head_GlyphDataFormat, E.head_E_glyphDataFormat, m_tag);
bRet = false;
}
}
return bRet;
}
public bool Validate(Validator v, OTFontVal fontOwner)
{
bool bRet = true;
if (v.PerformTest(T.cmap_Version))
{
if (TableVersionNumber == 0)
{
v.Pass(T.cmap_Version, P.cmap_P_version, m_tag);
}
else
{
v.Error(T.cmap_Version, E.cmap_E_version, m_tag,
TableVersionNumber.ToString());
bRet = false;
}
}
// Check that the number of encoding records seems to
// agree with the numTables field, and that each offset
// is greater than 0 and less than the length of the cmap
// table.
bool bOffsetsOk = true;
if (v.PerformTest(T.cmap_SubtableOffset))
{
for (uint i=0; i<NumberOfEncodingTables; i++)
{
EncodingTableEntry ete = GetEncodingTableEntry(i);
if (ete != null)
{
if (ete.offset == 0)
{
v.Error(T.cmap_SubtableOffset,
E.cmap_E_SubtableOffset_zero, m_tag,
"encoding table entry index = " +
i.ToString() + ", platformID = " +
ete.platformID + ", encodingID = " +
ete.encodingID);
bRet = false;
bOffsetsOk = false;
}
if (ete.offset > m_bufTable.GetLength())
{
v.Error(T.cmap_SubtableOffset,
E.cmap_E_SubtableOffset_eot, m_tag,
"encoding table entry index = " +
i.ToString() + ", platformID = " +
ete.platformID +
", encodingID = " + ete.encodingID);
bRet = false;
bOffsetsOk = false;
}
}
else
{
v.Warning(T.cmap_SubtableOffset,
W._TEST_W_OtherErrorsInTable, m_tag,
"cmap table appears to be corrupt. " +
" No further tests will be performed.");
return bRet;
}
}
if (bOffsetsOk)
{
v.Pass(T.cmap_SubtableOffset, P.cmap_P_SubtableOffset,
m_tag);
}
}
// Check that each subtable can be retrieved from the font
// and that its offset + length lies within the cmap.
bool bLengthsOk = true;
if (v.PerformTest(T.cmap_SubtableLength))
{
for (uint i=0; i<NumberOfEncodingTables; i++)
{
EncodingTableEntry ete = GetEncodingTableEntry(i);
Subtable st = GetSubtable(ete);
if (st != null)
{
if (st.length == 0)
{
v.Error(T.cmap_SubtableLength,
E.cmap_E_SubtableLength_zero, m_tag,
i.ToString());
bRet = false;
bLengthsOk = false;
}
if (ete.offset + st.length > m_bufTable.GetLength())
{
v.Error(T.cmap_SubtableLength,
E.cmap_E_SubtableLength_eot, m_tag,
i.ToString());
bRet = false;
bLengthsOk = false;
}
}
else
{
string sDetails = "PlatID = " + ete.platformID +
", EncID = " + ete.encodingID;
v.Warning(T.cmap_SubtableLength,
W._TEST_W_OtherErrorsInTable, m_tag,
"unable to validate the length of subtable - "
+ sDetails);
bLengthsOk = false;
}
}
if (bLengthsOk)
{
v.Pass(T.cmap_SubtableLength, P.cmap_P_SubtableLength,
m_tag);
}
}
// Assuming previous tests ok, check that sort order is by
// 1. increasing platformID
// 2. increasing encodingID
// 3. increasing language
if (v.PerformTest(T.cmap_SubtableSortOrder))
{
if (bOffsetsOk && bLengthsOk)
{
bool bOrderOk = true;
if (NumberOfEncodingTables > 1)
{
EncodingTableEntry etePrev = GetEncodingTableEntry(0);
for (uint i=1; i<NumberOfEncodingTables; i++)
{
EncodingTableEntry ete = GetEncodingTableEntry(i);
if (etePrev.platformID == ete.platformID)
{
if (etePrev.encodingID == ete.encodingID)
{
Subtable stPrev = GetSubtable(etePrev);
Subtable st = GetSubtable(ete);
if (stPrev.language > st.language)
{
bOrderOk = false;
}
}
else if (etePrev.encodingID > ete.encodingID)
{
bOrderOk = false;
}
}
else if (etePrev.platformID > ete.platformID)
{
bOrderOk = false;
}
etePrev = ete;
}
}
if (bOrderOk)
{
v.Pass(T.cmap_SubtableSortOrder,
P.cmap_P_SubtableSortOrder, m_tag);
}
else
{
v.Error(T.cmap_SubtableSortOrder,
E.cmap_E_SubtableSortOrder, m_tag);
bRet = false;
}
}
else
{
v.Warning(T.cmap_SubtableSortOrder,
W._TEST_W_OtherErrorsInTable, m_tag,
"unable to validate sort order");
}
}
// Check that no encoding record has the same
// (platformID,encodingID,language)
// as the previous one.
if (v.PerformTest(T.cmap_DuplicateSubtables))
{
if (bOffsetsOk && bLengthsOk)
{
bool bNoDuplicates = true;
if (NumberOfEncodingTables > 1)
{
EncodingTableEntry etePrev = GetEncodingTableEntry(0);
for (uint i=1; i<NumberOfEncodingTables; i++)
{
EncodingTableEntry ete = GetEncodingTableEntry(i);
if (etePrev.platformID == ete.platformID)
{
if (etePrev.encodingID == ete.encodingID)
{
Subtable stPrev = GetSubtable(etePrev);
Subtable st = GetSubtable(ete);
if (stPrev.language == st.language)
{
bNoDuplicates = false;
}
}
}
etePrev = ete;
}
}
if (bNoDuplicates)
{
v.Pass(T.cmap_DuplicateSubtables,
P.cmap_P_DuplicateSubtables, m_tag);
}
else
{
v.Error(T.cmap_DuplicateSubtables,
E.cmap_E_DuplicateSubtables, m_tag);
bRet = false;
}
}
else
{
string unable = "unable to validate that there are " +
"no duplicate subtables";
v.Warning(T.cmap_DuplicateSubtables,
W._TEST_W_OtherErrorsInTable, m_tag,
unable );
}
}
// Check that no subtable overlaps and subtable following it,
// in other words, check for the beginning of one subtable
// falling within the bounds of a subtable that follows it.
if (v.PerformTest(T.cmap_SubtableOverlap))
{
if (bOffsetsOk && bLengthsOk)
{
bool bNoOverlap = true;
if (NumberOfEncodingTables > 1)
{
for (uint i=0; i<NumberOfEncodingTables; i++)
{
EncodingTableEntry ete1 = GetEncodingTableEntry(i);
Subtable st1 = GetSubtable(ete1);
for (uint j=i+1; j<NumberOfEncodingTables; j++)
{
EncodingTableEntry ete2 =
GetEncodingTableEntry(j);
Subtable st2 = GetSubtable(ete2);
if ( (ete1.offset > ete2.offset &&
ete1.offset < ete2.offset + st2.length) ||
(ete2.offset > ete1.offset &&
ete2.offset < ete1.offset + st1.length) )
{
v.Error(T.cmap_SubtableOverlap,
E.cmap_E_SubtableOverlap, m_tag,
i.ToString() + " " + j.ToString());
bRet = false;
bNoOverlap = true;
}
}
}
}
if (bNoOverlap)
{
v.Pass(T.cmap_SubtableOverlap,
P.cmap_P_SubtableOverlap, m_tag);
}
}
else
{
v.Warning(T.cmap_SubtableOverlap,
W._TEST_W_OtherErrorsInTable, m_tag,
"unable to validate that no subtables overlap");
}
}
// Check that all subtable formats (First USHORT in the subtable)
// is an even number between 0 and 14, inclusive.
if (v.PerformTest(T.cmap_ValidFormat))
{
bool bAllFormatsValid = true;
for (uint i=0; i<NumberOfEncodingTables; i++)
{
EncodingTableEntry ete = GetEncodingTableEntry(i);
if (ete.offset < m_bufTable.GetLength()-1)
{
// the format of the subtable is the first uint16
ushort format = m_bufTable.GetUshort(ete.offset);
if (format > HIGHEST_FORMAT || ((format&1)==1))
{
string sDetails = "PlatID = " + ete.platformID +
", EncID = " + ete.encodingID + ", Fmt = " +
format;
v.Error(T.cmap_ValidFormat,
E.cmap_E_SubtableValidFormat, m_tag,
sDetails);
bRet = false;
bAllFormatsValid = false;
}
}
else
{
string sDetails = "PlatID = " + ete.platformID +
", EncID = " + ete.encodingID;
string unable =
"unable to validate format number for subtable - ";
v.Warning(T.cmap_ValidFormat,
W._TEST_W_OtherErrorsInTable, m_tag,
unable + sDetails);
bAllFormatsValid = false;
}
}
if (bAllFormatsValid)
{
v.Pass(T.cmap_ValidFormat,
P.cmap_P_SubtableValidFormat, m_tag);
}
}
// Assuming maxp is present, get the number of glyphs from maxp,
// and for each subtable, run its validate routine.
if (v.PerformTest(T.cmap_SubtableInternalFormat))
{
if (fontOwner.GetTable("maxp") == null)
{
string cant =
"can't check subtable internal formats - " +
"maxp table inaccessible";
v.Warning(T.cmap_SubtableInternalFormat,
W._TEST_W_ErrorInAnotherTable, m_tag,
cant );
}
else
{
for (uint i=0; i<NumberOfEncodingTables; i++)
{
bool bInternalFormatOk = true;
EncodingTableEntry ete = GetEncodingTableEntry(i);
Subtable st = GetSubtable(ete);
if (st != null)
{
ushort numGlyphs = fontOwner.GetMaxpNumGlyphs();
string sIdentity = "PlatID = " + ete.platformID +
", EncID = " + ete.encodingID + ", Fmt = " +
st.format;
ISubtableValidate valSubtable =
(ISubtableValidate)st;
bInternalFormatOk = valSubtable.Validate(v, this,
numGlyphs,
sIdentity);
bRet &= bInternalFormatOk;
if (bInternalFormatOk)
{
v.Pass(T.cmap_SubtableInternalFormat,
P.cmap_P_InternalFormat, m_tag,
sIdentity);
}
}
else
{
string sDetails = "PlatID = " + ete.platformID +
", EncID = " + ete.encodingID;
v.Warning(T.cmap_SubtableInternalFormat,
W._TEST_W_OtherErrorsInTable, m_tag,
"unable to validate internal format " +
"for subtable - "
+ sDetails);
}
}
}
}
// Pass if there is at least one subtable with platformID == 1 and
// one subtable with platformID == 3.
// Warn if either is missing.
if (v.PerformTest(T.cmap_AppleMSSupport))
{
bool bFoundApple = false;
bool bFoundMS = false;
for (uint i=0; i<NumberOfEncodingTables; i++)
{
EncodingTableEntry ete = GetEncodingTableEntry(i);
if (ete.platformID == 1)
{
bFoundApple = true;
}
else if (ete.platformID == 3)
{
bFoundMS = true;
}
}
if (bFoundApple && bFoundMS)
{
v.Pass(T.cmap_AppleMSSupport, P.cmap_P_AppleMSSupport,
m_tag);
}
else if (!bFoundApple)
{
v.Warning(T.cmap_AppleMSSupport, W.cmap_W_AppleMSSupport_A,
m_tag);
}
else if (!bFoundMS)
{
v.Warning(T.cmap_AppleMSSupport, W.cmap_W_AppleMSSupport_M,
m_tag);
}
}
// Find encoding table with platformID==1, encodingID==0
// i.e., Macintosh. Make sure that the Apple Logo, code point 240,
// is mapped to glyphID 0, a legal requirement for Microsoft fonts
// developed for use on Apple platforms.
if (v.PerformTest(T.cmap_AppleLogo))
{
EncodingTableEntry ete = GetEncodingTableEntry(1,0);
if (ete != null)
{
Subtable st = GetSubtable(ete);
if (st != null)
{
byte[] charbuf = new byte[2];
charbuf[0] = 240;
charbuf[1] = 0;
uint glyph = st.MapCharToGlyph(charbuf, 0);
if (glyph == 0)
{
v.Pass(T.cmap_AppleLogo, P.cmap_P_AppleLogo, m_tag);
}
else
{
v.Warning(T.cmap_AppleLogo, W.cmap_W_AppleLogo,
m_tag);
}
}
else
{
string sDetails = "PlatID = " + ete.platformID +
", EncID = " + ete.encodingID;
string unable =
"unable to validate apple logo for subtable - ";
v.Warning(T.cmap_AppleLogo,
W._TEST_W_OtherErrorsInTable, m_tag,
unable + sDetails);
}
}
else
{
v.Warning(T.cmap_AppleLogo, W.cmap_W_AppleLogo_NoMap,
m_tag);
}
}
// Euro symbol.
// Unless there is a Microsoft Symbol encoding cmap (3,0):
// * Make sure that any apple cmap(1,0) contains a glyph U+00db
// * Make sure that any Microsoft Unicode cmap (3,1) contains
// a glyph U+20AC.
if (v.PerformTest(T.cmap_EuroGlyph))
{
EncodingTableEntry eteSym = GetEncodingTableEntry(3,0);
if (eteSym == null)
{
EncodingTableEntry eteMac = GetEncodingTableEntry(1,0);
if (eteMac != null)
{
Subtable st = GetSubtable(eteMac);
if (st != null)
{
byte[] charbuf = new byte[2];
charbuf[0] = 0xdb;
charbuf[1] = 0;
uint glyph = st.MapCharToGlyph(charbuf, 0);
if (glyph != 0)
{
v.Pass(T.cmap_EuroGlyph,
P.cmap_P_EuroGlyph_Mac, m_tag);
}
else
{
v.Warning(T.cmap_EuroGlyph,
W.cmap_W_EuroGlyph_Mac, m_tag);
}
}
else
{
string sDetails = "PlatID = " + eteMac.platformID +
", EncID = " + eteMac.encodingID;
string unable =
"unable to validate if euro glyph " +
"is present for subtable - ";
v.Warning(T.cmap_EuroGlyph,
W._TEST_W_OtherErrorsInTable, m_tag,
unable + sDetails);
}
}
EncodingTableEntry eteUni = GetEncodingTableEntry(3,1);
if (eteUni != null)
{
Subtable st = GetSubtable(eteUni);
if (st != null)
{
byte[] charbuf = new byte[2];
charbuf[0] = 0xac;
charbuf[1] = 0x20;
uint glyph = st.MapCharToGlyph(charbuf, 0);
if (glyph != 0)
{
v.Pass(T.cmap_EuroGlyph,
P.cmap_P_EuroGlyph_Uni, m_tag);
}
else
{
v.Warning(T.cmap_EuroGlyph,
W.cmap_W_EuroGlyph_Uni, m_tag);
}
}
else
{
string sDetails = "PlatID = " + eteMac.platformID +
", EncID = " + eteMac.encodingID;
string unable = "unable to validate if euro glyph" +
" is present for subtable - ";
v.Warning(T.cmap_EuroGlyph,
W._TEST_W_OtherErrorsInTable, m_tag,
unable + sDetails);
}
}
}
}
// Make sure that no glyphs, other than "fi" and "fl" ligatures,
// are mapped from the "private use area", that is,
// 0xE000 - 0xF8FF. The above ligatures may only be a the
// prescribed places.
//
// Checks that 0xf001 and 0xfb01 map to the same place, and
// Checks that 0xf002 and 0xfb02 map to the same place.
//
// Only warn if a problem.
if (v.PerformTest(T.cmap_PrivateUse))
{
EncodingTableEntry eteUni = GetEncodingTableEntry(3,1);
if (eteUni != null)
{
Subtable st = GetSubtable(eteUni);
if (st != null)
{
bool bFoundGlyph = false;
bool bFoundLigChar = false;
byte[] charbuf = new byte[2];
for (char c='\xe000'; c<'\xf8ff'; c++)
{
uint glyph = fontOwner.FastMapUnicodeToGlyphID(c);
if (glyph != 0)
{
if (c == '\xf001')
{
// check to see if this is the 'fi' ligature
uint glyph2 = fontOwner.
FastMapUnicodeToGlyphID('\xfb01');
if (glyph == glyph2)
{
bFoundLigChar = true;
}
else
{
bFoundGlyph = true;
break;
}
}
else if (c == '\xf002')
{
// check to see if this is the 'fl' ligature
uint glyph2 = fontOwner.
FastMapUnicodeToGlyphID('\xfb02');
if (glyph == glyph2)
{
bFoundLigChar = true;
}
else
{
bFoundGlyph = true;
break;
}
}
else
{
bFoundGlyph = true;
break;
}
}
}
if (bFoundGlyph)
{
v.Warning(T.cmap_PrivateUse,
W.cmap_W_UnicodePrivateUse, m_tag);
}
else if (bFoundLigChar)
{
v.Pass(T.cmap_PrivateUse,
P.cmap_P_UnicodePrivateUse_lig, m_tag);
}
else
{
v.Pass(T.cmap_PrivateUse,
P.cmap_P_UnicodePrivateUse, m_tag);
}
}
else
{
string sDetails = "PlatID = " + eteUni.platformID +
", EncID = " + eteUni.encodingID;
v.Warning(T.cmap_PrivateUse,
W._TEST_W_OtherErrorsInTable, m_tag,
"unable to validate Private Use Area " +
"for subtable - "
+ sDetails);
}
}
}
// Check that subtable language field is zero if not mac platform
if (v.PerformTest(T.cmap_NonMacSubtableLanguage))
{
bool bOk = true;
for (uint i=0; i<NumberOfEncodingTables; i++)
{
EncodingTableEntry ete = GetEncodingTableEntry(i);
Subtable st = GetSubtable(ete);
if (st != null)
{
if (ete.platformID != 1) // not mac
{
if (st.language != 0)
{
string sDetails = "PlatID = " +
ete.platformID + ", EncID = " +
ete.encodingID +
", Language = " + st.language;
v.Error(T.cmap_SubtableLanguage,
E.cmap_E_NonMacSubtableLanguage,
m_tag, sDetails);
bOk = false;
}
}
}
}
if (bOk)
{
v.Pass(T.cmap_SubtableLanguage,
P.cmap_P_NonMacSubtableLanguage, m_tag);
}
}
return bRet;
}
protected bool CheckForOptimalTableOrder(Validator v)
{
bool bRet = true;
if (!GetFile().IsCollection()) // don't perform this test on .ttc files
{
string [] OrderedTables = null;
string [] TTOrderedTables =
{
"head", "hhea", "maxp", "OS/2", "hmtx", "LTSH", "VDMX",
"hdmx", "cmap", "fpgm", "prep", "cvt ", "loca", "glyf",
"kern", "name", "post", "gasp", "PCLT" /*"DSIG"*/
};
string [] PSOrderedTables =
{
"head", "hhea", "maxp", "OS/2", "name", "cmap", "post", "CFF "
};
if (ContainsTrueTypeOutlines())
{
OrderedTables = TTOrderedTables;
}
else if (ContainsPostScriptOutlines())
{
OrderedTables = PSOrderedTables;
}
if (OrderedTables != null)
{
Debug.Assert(m_OffsetTable != null);
bool bOrderOk = true;
if (m_OffsetTable != null)
{
for (int i=0; i<OrderedTables.Length-1; i++)
{
for (int j=i+1; j<OrderedTables.Length; j++)
{
DirectoryEntry deBefore = GetDirectoryEntry(OrderedTables[i]);
DirectoryEntry deAfter = GetDirectoryEntry(OrderedTables[j]);
if (deBefore != null && deAfter != null)
{
if (deBefore.offset > deAfter.offset)
{
string sDetails = "table '" + deAfter.tag + "' precedes table '" + deBefore.tag + "'";
v.Warning(T.T_NULL, W._FONT_W_OptimalOrder, null, sDetails);
bOrderOk = false;
break;
}
}
}
if (!bOrderOk)
{
break;
}
}
}
if (bOrderOk)
{
v.Pass(P._FONT_P_OptimalOrder, null);
}
}
}
return bRet;
}
/*
* METHODS PUBLIC: GLYF ACCESS
*/
public bool GetValidateEntryGlyf(int indexGlyph,
out int offsStart, out int length,
Validator validator, OTFont fontOwner)
{
offsStart=Table_loca.ValueInvalid;
length=Table_loca.ValueInvalid;
int offsGlyfCur, offsGlyfNext;
if ((!this.GetGlyfOffset(indexGlyph,out offsGlyfCur,validator, fontOwner))||
(!this.GetGlyfOffset(indexGlyph+1,out offsGlyfNext,validator, fontOwner)))
{
return false; // the error is already reported
}
int lengthGlyf=this.LengthGlyf(fontOwner);
if (lengthGlyf==Table_loca.ValueInvalid)
{
return false;
}
if ((offsGlyfCur<0)||(offsGlyfCur>=lengthGlyf))
{
if (validator!=null)
{
validator.Error(E.loca_E_OffsetWithinGlyfRange,"loca");
}
return false;
}
if ((offsGlyfNext<0)||(offsGlyfNext>=lengthGlyf))
{
int numEntry=this.NumEntry(fontOwner);
if ((indexGlyph!=numEntry-2)||(offsGlyfNext!=lengthGlyf))
{
if (validator!=null)
{
validator.Error(T.T_NULL, E.loca_E_OffsetWithinGlyfRange,
(OTTag)"loca","index glyph="+indexGlyph+1);
}
}
}
int lengthGlyfCur=offsGlyfNext-offsGlyfCur;
if (lengthGlyfCur<0)
{
if (validator!=null)
{
validator.Error(E.loca_E_OffsetsIncreasing,"loca");
}
return false;
}
if (lengthGlyfCur==0)
{
if (validator!=null)
{
validator.Warning(T.T_NULL, W.loca_W_GlyfEntryEmpty,"loca");
}
}
if (lengthGlyfCur%4!=0)
{
if (validator!=null)
{
validator.Warning(T.T_NULL, W.loca_W_GlyfEntryLengthAlignment,"loca");
}
}
offsStart=offsGlyfCur;
length=lengthGlyfCur;
return true;
}
public bool Validate(Validator v, OTTable table, ushort numGlyphs,
String sIdentity)
{
bool bRet = true;
// warn if not encoding id 10
if (m_ete.encodingID != 10)
{
v.Warning(T.T_NULL, W.cmap_W_f12_EncID, table.m_tag,
sIdentity);
}
// check that groups are sorted by ascending startCharCodes
if (nGroups > 1)
{
for (uint i=0; i<nGroups-1; i++)
{
Group gCurr = GetGroup(i);
Group gNext = GetGroup(i+1);
if (gCurr.startCharCode >= gNext.startCharCode)
{
v.Error(T.T_NULL, E.cmap_E_f12_SortOrder,
table.m_tag, sIdentity);
bRet = false;
break;
}
}
}
// check each start code is less than or equal to the end code
for (uint i=0; i<nGroups; i++)
{
Group g = GetGroup(i);
if (g.startCharCode > g.endCharCode)
{
String sDetails = ", group[" + i +
"], startCharCode = 0x" +
g.startCharCode.ToString("X8") +
", endCharCode = 0x" + g.endCharCode.ToString("X8");
v.Error(T.T_NULL, E.cmap_E_f12_StartCode_GT_EndCode,
table.m_tag, sIdentity + sDetails);
bRet = false;
}
}
// check the mapping
for (uint i=0; i<nGroups; i++)
{
Group g = GetGroup(i);
uint c = g.endCharCode;
uint nGlyphID = g.startGlyphID + (c - g.startCharCode);
if (nGlyphID >= numGlyphs)
{
v.Error(T.T_NULL, E.cmap_E_Mapping, table.m_tag,
sIdentity + ", char = 0x" +
((uint)c).ToString("X4") + ", glyphID = " +
nGlyphID);
bRet = false;
}
}
// if encoding id 10, then check that the greatest character
// is not greater than 0x10ffff
if (m_ete.encodingID == 10)
{
if (nGroups > 0)
{
Group lastgroup = GetGroup(nGroups-1);
if (lastgroup.endCharCode > 0x10ffff)
{
v.Error(T.T_NULL, E.cmap_E_f12_EndCode_GT_10FFFF,
table.m_tag, sIdentity +
", last endCharCode = 0x" +
lastgroup.endCharCode.ToString("X8"));
bRet = false;
}
}
}
return bRet;
}
protected bool CheckTableAlignment(Validator v)
{
Debug.Assert(m_OffsetTable != null);
bool bRet = false;
if (m_OffsetTable != null)
{
bRet = true;
for (int i = 0; i<m_OffsetTable.DirectoryEntries.Count; i++)
{
DirectoryEntry de = (DirectoryEntry)m_OffsetTable.DirectoryEntries[i];
if ((de.offset & 0x03) != 0)
{
v.Warning(T.T_NULL, W._DE_W_TableAlignment, null, (string)de.tag);
//bRet = false;
}
}
if (bRet == true)
{
v.Pass(P._DE_P_TableAlignment, null);
}
}
return bRet;
}
public bool Validate(Validator v, OTFontVal fontOwner)
{
bool bRet = true;
bool bContinue = true;
if (v.PerformTest(T.SVG_version))
{
if (version == 0)
{
v.Pass(T.SVG_version, P.SVG_P_version, m_tag);
}
else
{
v.Warning(T.SVG_version, W.SVG_W_version, m_tag,
"Version=" + version);
}
}
if (v.PerformTest(T.SVG_offsetToSVGDocIndex))
{
uint offsetToSVGDocIndex_version0 = 10;
if (offsetToSVGDocIndex == offsetToSVGDocIndex_version0)
{
v.Pass(T.SVG_offsetToSVGDocIndex, P.SVG_P_offsetToSVGDocIndex, m_tag);
}
else
{
if (offsetToSVGDocIndex < offsetToSVGDocIndex_version0)
{
v.Error(T.SVG_offsetToSVGDocIndex, E.SVG_E_offsetToSVGDocIndex_Overlapping, m_tag,
"offset=" + offsetToSVGDocIndex);
bContinue = false;
bRet = false;
}
else
{
v.Warning(T.SVG_offsetToSVGDocIndex, W.SVG_W_offsetToSVGDocIndex_NonContiguous, m_tag,
"offset=" + offsetToSVGDocIndex);
}
}
}
if (v.PerformTest(T.SVG_reserved))
{
if (reserved == 0)
{
v.Pass(T.SVG_reserved, P.SVG_P_reserved, m_tag);
}
else
{
v.Warning(T.SVG_reserved, W.SVG_W_reserved, m_tag,
"Reserved=" + reserved);
}
}
if (v.PerformTest(T.SVG_numEntries))
{
if (numEntries != 0)
{
v.Pass(T.SVG_numEntries, P.SVG_P_numEntries, m_tag);
}
else
{
v.Warning(T.SVG_numEntries, W.SVG_W_numEntries, m_tag);
bContinue = false;
}
}
if (bContinue && v.PerformTest(T.SVG_SVGDocIndex))
{
bool statusOK = true;
int prev_startGlyphID = GetDocIndexEntry(0).startGlyphID - 1;
int prev_endGlyphID = GetDocIndexEntry(0).startGlyphID - 1;
uint prev_end = 2
+ (uint)numEntries * 12;
for (uint j = 0; j < numEntries; j++)
{
var docEntry = GetDocIndexEntry(j);
if (docEntry.endGlyphID < docEntry.startGlyphID)
{
v.Error(T.SVG_SVGDocIndex, E.SVG_E_SVGDocIndex, m_tag,
"Entry " + j + ": endGlyphID < startGlyphID");
statusOK = false;
}
if (docEntry.svgDocOffset == 0)
{
v.Error(T.SVG_SVGDocIndex, E.SVG_E_SVGDocIndex, m_tag,
"Entry " + j + ": svgDocOffset is zero");
statusOK = false;
}
if (docEntry.svgDocLength == 0)
{
v.Error(T.SVG_SVGDocIndex, E.SVG_E_SVGDocIndex, m_tag,
"Entry " + j + ": svgDocLength is zero");
statusOK = false;
}
if (docEntry.startGlyphID <= prev_startGlyphID)
{
v.Error(T.SVG_SVGDocIndex, E.SVG_E_SVGDocIndex, m_tag,
"Entry " + j + ": startGlyphID not in increasing order");
statusOK = false;
}
if (docEntry.startGlyphID <= prev_endGlyphID)
{
v.Error(T.SVG_SVGDocIndex, E.SVG_E_SVGDocIndex, m_tag,
"Entry " + j + ": startGlyphID overlaps previous endGlyphID");
statusOK = false;
}
if (docEntry.svgDocOffset < prev_end)
{
v.Error(T.SVG_SVGDocIndex, E.SVG_E_SVGDocIndex, m_tag,
"Entry " + j + ": overlaps previous entry" + docEntry.svgDocOffset + "<" + prev_end);
statusOK = false;
bContinue = false;
}
else
if (docEntry.svgDocOffset > prev_end)
{
v.Warning(T.SVG_SVGDocIndex, W.SVG_W_SVGDocIndex, m_tag,
"Entry " + j + ": non-contiguous from previous entry");
statusOK = false;
}
prev_startGlyphID = docEntry.startGlyphID;
prev_endGlyphID = docEntry.endGlyphID;
prev_end = docEntry.svgDocOffset + docEntry.svgDocLength;
}
if (statusOK)
{
v.Pass(T.SVG_SVGDocIndex, P.SVG_P_SVGDocIndex, m_tag);
}
}
if (bContinue && v.PerformTest(T.SVG_TryLoadSVG))
{
bool statusOK = true;
XmlDocument doc = new XmlDocument();
doc.XmlResolver = null;
for (uint j = 0; j < numEntries; j++)
{
var svgdoc = GetDoc(j);
using (MemoryStream ms = new MemoryStream(svgdoc))
{
try
{
doc.Load(ms);
}
catch (Exception e)
{
v.Error(T.SVG_TryLoadSVG, E.SVG_E_TryLoadSVG, m_tag,
"document " + j + " Error:" + e.Message);
statusOK = false;
}
}
}
if (statusOK)
{
v.Pass(T.SVG_TryLoadSVG, P.SVG_P_TryLoadSVG, m_tag);
}
}
return(bRet);
}
private bool ValidateGlyfEntryLengthAlignment(Validator validator,
OTFont fontOwner)
{
int cntWarn=0;
int numEntry=this.NumEntry(fontOwner);
if (numEntry==Table_loca.ValueInvalid)
{
if (validator!=null)
{
validator.Warning(T.T_NULL, W.loca_W_GlyfEntryLengthAlignment,
m_tag,
"Unable to determine the number of entries in the 'loca' table");
}
return false;
}
int offsGlyfCur, offsGlyfNext;
for (int iEntry=0; iEntry<numEntry-1; iEntry++)
{
if ((!this.GetGlyfOffset(iEntry, out offsGlyfCur, validator, fontOwner))||
(!this.GetGlyfOffset(iEntry+1, out offsGlyfNext, validator, fontOwner)))
{
cntWarn++;
continue;
}
if (((offsGlyfNext-offsGlyfCur)%4)!=0)
{
cntWarn++;
}
}
if (validator!=null)
{
if (cntWarn==0)
{
validator.Pass(P.loca_P_GlyfEntryLengthAlignment, m_tag);
}
else
{
validator.Warning(T.T_NULL, W.loca_W_GlyfEntryLengthAlignment,
m_tag,
"Number of glyphs with the warning = "+cntWarn);
}
}
return (cntWarn==0);
}
protected bool CheckForRecommendedTables(Validator v)
{
bool bRet = true;
bool bMissing = false;
if (!IsPostScript())
{
if (GetDirectoryEntry("gasp") == null)
{
v.Warning(T.T_NULL, W._FONT_W_MissingRecommendedTable, null, "gasp");
bMissing = true;
}
Table_hmtx hmtxTable = (Table_hmtx)GetTable("hmtx");
if (hmtxTable != null)
{
if (!hmtxTable.IsMonospace(this) && !ContainsSymbolsOnly())
{
if (GetDirectoryEntry("kern") == null)
{
v.Warning(T.T_NULL, W._FONT_W_MissingRecommendedTable, null, "kern");
bMissing = true;
}
if (GetDirectoryEntry("hdmx") == null)
{
v.Warning(T.T_NULL, W._FONT_W_MissingRecommendedTable, null, "hdmx");
bMissing = true;
}
}
}
if (GetDirectoryEntry("VDMX") == null)
{
v.Warning(T.T_NULL, W._FONT_W_MissingRecommendedTable, null, "VDMX");
bMissing = true;
}
}
if (GetDirectoryEntry("DSIG") == null)
{
v.Warning(T.T_NULL, W._FONT_W_MissingRecommendedTable, null, "DSIG");
bMissing = true;
}
if (!bMissing)
{
v.Pass(P._FONT_P_MissingRecommendedTable, null);
}
return bRet;
}
/*
* METHODS PUBLIC: GLYF ACCESS
*/
public bool GetValidateEntryGlyf(int indexGlyph,
out int offsStart, out int length,
Validator validator, OTFont fontOwner)
{
offsStart = Table_loca.ValueInvalid;
length = Table_loca.ValueInvalid;
int offsGlyfCur, offsGlyfNext;
if ((!this.GetGlyfOffset(indexGlyph, out offsGlyfCur, validator, fontOwner)) ||
(!this.GetGlyfOffset(indexGlyph + 1, out offsGlyfNext, validator, fontOwner)))
{
return(false); // the error is already reported
}
int lengthGlyf = this.LengthGlyf(fontOwner);
if (lengthGlyf == Table_loca.ValueInvalid)
{
return(false);
}
if ((offsGlyfCur < 0) || (offsGlyfCur >= lengthGlyf))
{
if (validator != null)
{
validator.Error(E.loca_E_OffsetWithinGlyfRange, "loca");
}
return(false);
}
if ((offsGlyfNext < 0) || (offsGlyfNext >= lengthGlyf))
{
int numEntry = this.NumEntry(fontOwner);
if ((indexGlyph != numEntry - 2) || (offsGlyfNext != lengthGlyf))
{
if (validator != null)
{
validator.Error(T.T_NULL, E.loca_E_OffsetWithinGlyfRange,
(OTTag)"loca", "index glyph=" + indexGlyph + 1);
}
}
}
int lengthGlyfCur = offsGlyfNext - offsGlyfCur;
if (lengthGlyfCur < 0)
{
if (validator != null)
{
validator.Error(E.loca_E_OffsetsIncreasing, "loca");
}
return(false);
}
if (lengthGlyfCur == 0)
{
if (validator != null)
{
validator.Warning(T.T_NULL, W.loca_W_GlyfEntryEmpty, "loca");
}
}
if (lengthGlyfCur % 4 != 0)
{
if (validator != null)
{
validator.Warning(T.T_NULL, W.loca_W_GlyfEntryLengthAlignment, "loca");
}
}
offsStart = offsGlyfCur;
length = lengthGlyfCur;
return(true);
}
/************************
* public methods
*/
public bool Validate(Validator v, OTFontVal fontOwner)
{
bool bRet = true;
if (v.PerformTest(T.gasp_Version))
{
if (version == 0 || version == 1)
{
v.Pass(T.gasp_Version, P.gasp_P_Version, m_tag, "version = " + version.ToString());
}
else
{
v.Error(T.gasp_Version, E.gasp_E_Version, m_tag, "version = " + version.ToString() + ", unable to continue validation");
return false;
}
}
if (v.PerformTest(T.gasp_rangeGaspBehavior))
{
bool bFlagsOk = true;
string first_error = null;
for (uint i=0; i<numRanges; i++)
{
GaspRange gr = GetGaspRange(i);
if (gr != null)
{
if ( (version == 0 && gr.rangeGaspBehavior > 0x3)
|| (version == 1 && gr.rangeGaspBehavior > 0xf))
{
bFlagsOk = false;
first_error = "version=" + version + ", range #" + i + ", rangeGaspBehavior=0x"
+ gr.rangeGaspBehavior.ToString("X4");
break;
}
}
}
if (bFlagsOk)
{
v.Pass(T.gasp_rangeGaspBehavior, P.gasp_P_rangeGaspBehavior, m_tag);
}
else
{
v.Error(T.gasp_rangeGaspBehavior, E.gasp_E_rangeGaspBehavior, m_tag, first_error);
bRet = false;
}
}
if (v.PerformTest(T.gasp_SortOrder))
{
bool bSortOk = true;
if (numRanges > 1)
{
GaspRange grCurr = GetGaspRange(0);
GaspRange grNext = null;
for (uint i=1; i<numRanges; i++)
{
grNext = GetGaspRange(i);
if (grCurr.rangeMaxPPEM >= grNext.rangeMaxPPEM)
{
bSortOk = false;
break;
}
grCurr = grNext;
}
}
if (bSortOk)
{
v.Pass(T.gasp_SortOrder, P.gasp_P_SortOrder, m_tag);
}
else
{
v.Error(T.gasp_SortOrder, E.gasp_E_SortOrder, m_tag);
bRet = false;
}
}
if (v.PerformTest(T.gasp_Sentinel))
{
GaspRange gr = GetGaspRange((uint)numRanges-1);
if (gr.rangeMaxPPEM == 0xFFFF)
{
v.Pass(T.gasp_Sentinel, P.gasp_P_Sentinel, m_tag);
}
else
{
v.Error(T.gasp_Sentinel, E.gasp_E_Sentinel, m_tag);
bRet = false;
}
}
if (v.PerformTest(T.gasp_AdjRangeIdenticalFlags))
{
bool bNoAdjIdent = true;
if (numRanges > 1)
{
for (uint i=0; i<numRanges-1; i++)
{
GaspRange grCurr = GetGaspRange(i);
GaspRange grNext = GetGaspRange(i+1);
if (grCurr.rangeGaspBehavior == grNext.rangeGaspBehavior)
{
string sDetails = "rangeGaspBehavior[" + i + "] = " + grCurr.rangeGaspBehavior + ", rangeGaspBehavior[" + (i+1) + "] = " + grNext.rangeGaspBehavior;
v.Warning(T.gasp_AdjRangeIdenticalFlags, W.gasp_W_AdjRangeIdenticalFlags, m_tag, sDetails);
bNoAdjIdent = false;
}
}
}
if (bNoAdjIdent)
{
v.Pass(T.gasp_AdjRangeIdenticalFlags, P.gasp_P_AdjRangeIdenticalFlags, m_tag);
}
}
return bRet;
}
/************************
* public methods
*/
public bool Validate(Validator v, OTFontVal fontOwner)
{
bool bRet = true;
if (v.PerformTest(T.gasp_Version))
{
if (version == 0 || version == 1)
{
v.Pass(T.gasp_Version, P.gasp_P_Version, m_tag, "version = " + version.ToString());
}
else
{
v.Error(T.gasp_Version, E.gasp_E_Version, m_tag, "version = " + version.ToString() + ", unable to continue validation");
return(false);
}
}
if (v.PerformTest(T.gasp_rangeGaspBehavior))
{
bool bFlagsOk = true;
string first_error = null;
for (uint i = 0; i < numRanges; i++)
{
GaspRange gr = GetGaspRange(i);
if (gr != null)
{
if ((version == 0 && gr.rangeGaspBehavior > 0x3) ||
(version == 1 && gr.rangeGaspBehavior > 0xf))
{
bFlagsOk = false;
first_error = "version=" + version + ", range #" + i + ", rangeGaspBehavior=0x"
+ gr.rangeGaspBehavior.ToString("X4");
break;
}
}
}
if (bFlagsOk)
{
v.Pass(T.gasp_rangeGaspBehavior, P.gasp_P_rangeGaspBehavior, m_tag);
}
else
{
v.Error(T.gasp_rangeGaspBehavior, E.gasp_E_rangeGaspBehavior, m_tag, first_error);
bRet = false;
}
}
if (v.PerformTest(T.gasp_SortOrder))
{
bool bSortOk = true;
if (numRanges > 1)
{
GaspRange grCurr = GetGaspRange(0);
GaspRange grNext = null;
for (uint i = 1; i < numRanges; i++)
{
grNext = GetGaspRange(i);
if (grCurr.rangeMaxPPEM >= grNext.rangeMaxPPEM)
{
bSortOk = false;
break;
}
grCurr = grNext;
}
}
if (bSortOk)
{
v.Pass(T.gasp_SortOrder, P.gasp_P_SortOrder, m_tag);
}
else
{
v.Error(T.gasp_SortOrder, E.gasp_E_SortOrder, m_tag);
bRet = false;
}
}
if (v.PerformTest(T.gasp_Sentinel))
{
GaspRange gr = GetGaspRange((uint)numRanges - 1);
if (gr.rangeMaxPPEM == 0xFFFF)
{
v.Pass(T.gasp_Sentinel, P.gasp_P_Sentinel, m_tag);
}
else
{
v.Error(T.gasp_Sentinel, E.gasp_E_Sentinel, m_tag);
bRet = false;
}
}
if (v.PerformTest(T.gasp_AdjRangeIdenticalFlags))
{
bool bNoAdjIdent = true;
if (numRanges > 1)
{
for (uint i = 0; i < numRanges - 1; i++)
{
GaspRange grCurr = GetGaspRange(i);
GaspRange grNext = GetGaspRange(i + 1);
if (grCurr.rangeGaspBehavior == grNext.rangeGaspBehavior)
{
string sDetails = "rangeGaspBehavior[" + i + "] = " + grCurr.rangeGaspBehavior + ", rangeGaspBehavior[" + (i + 1) + "] = " + grNext.rangeGaspBehavior;
v.Warning(T.gasp_AdjRangeIdenticalFlags, W.gasp_W_AdjRangeIdenticalFlags, m_tag, sDetails);
bNoAdjIdent = false;
}
}
}
if (bNoAdjIdent)
{
v.Pass(T.gasp_AdjRangeIdenticalFlags, P.gasp_P_AdjRangeIdenticalFlags, m_tag);
}
}
return(bRet);
}
/************************
* public methods
*/
public bool Validate(Validator v, OTFontVal fontOwner)
{
bool bRet = true;
if (v.PerformTest(T.OS_2_Version))
{
if (version == 0 || version == 1 || version == 2)
{
v.Warning(T.OS_2_Version, W.OS_2_W_Version_old, m_tag, version.ToString());
}
else if (version == 3)
{
v.Pass(T.OS_2_Version, P.OS_2_P_Version, m_tag, version.ToString());
}
else
{
v.Error(T.OS_2_Version, E.OS_2_E_Version, m_tag, version.ToString());
bRet = false;
}
}
if (v.PerformTest(T.OS_2_TableLength))
{
uint len = GetLength();
if ((version == 0 && len == 78)
|| (version == 1 && len == 86)
|| (version == 2 && len == 96)
|| (version == 3 && len == 96))
{
v.Pass(T.OS_2_TableLength, P.OS_2_P_TableLength, m_tag);
}
else
{
v.Error(T.OS_2_TableLength, E.OS_2_E_TableLength, m_tag);
bRet = false;
}
}
if (!bRet)
{
v.Warning(T.T_NULL, W._TEST_W_OtherErrorsInTable, m_tag, "OS/2 table appears to be corrupt. No further tests will be performed.");
return bRet;
}
if (v.PerformTest(T.OS_2_xAvgCharWidth))
{
if (fontOwner.GetTable("maxp") == null)
{
v.Warning(T.OS_2_xAvgCharWidth, W._TEST_W_ErrorInAnotherTable, m_tag, "maxp table inaccessible, can't check Avg Char Width");
}
else
{
if (fontOwner.ContainsTrueTypeOutlines())
{
Table_hmtx hmtxTable = (Table_hmtx)fontOwner.GetTable("hmtx");
val_loca locaTable = (val_loca)fontOwner.GetTable("loca");
val_maxp maxpTable = (val_maxp)fontOwner.GetTable("maxp");
if (hmtxTable == null)
{
v.Error(T.OS_2_xAvgCharWidth, E._TEST_E_TableMissing, m_tag, "hmtx");
bRet = false;
}
else if (locaTable == null)
{
v.Error(T.OS_2_xAvgCharWidth, E._TEST_E_TableMissing, m_tag, "loca");
bRet = false;
}
else if (maxpTable == null)
{
v.Error(T.OS_2_xAvgCharWidth, E._TEST_E_TableMissing, m_tag, "maxp");
bRet = false;
}
else
{
if ( version == 3
|| fontOwner.ContainsMsSymbolEncodedCmap())
{
int nTotalWidth = 0;
int nTotalGlyphs = 0;
for (uint iGlyph=0; iGlyph<fontOwner.GetMaxpNumGlyphs(); iGlyph++)
{
Table_hmtx.longHorMetric hm = hmtxTable.GetOrMakeHMetric(iGlyph, fontOwner);
if (hm != null)
{
nTotalWidth += hm.advanceWidth;
// only average non-zero width glyphs
if (hm.advanceWidth > 0)
{
nTotalGlyphs ++;
}
}
}
short CalcAvgWidth = 0;
if (nTotalGlyphs > 0)
CalcAvgWidth = (short)(nTotalWidth / nTotalGlyphs);
if (xAvgCharWidth == CalcAvgWidth)
{
v.Pass(T.OS_2_xAvgCharWidth, P.OS_2_P_xAvgCharWidth, m_tag);
}
else
{
string s = "actual = " + xAvgCharWidth + ", calc = " + CalcAvgWidth;
v.Error(T.OS_2_xAvgCharWidth, E.OS_2_E_xAvgCharWidth, m_tag, s);
bRet = false;
}
}
else
{
// do weighed average
ushort [] weightLC = {
64, 14, 27, 35, 100, 20, 14, 42, 63, 3, 6, 35, 20,
56, 56, 17, 4, 49, 56, 71, 31, 10, 18, 3, 18, 2
};
ushort weightSpace = 166;
try
{
uint iSpaceGlyph = fontOwner.FastMapUnicodeToGlyphID(' ');
if (iSpaceGlyph >= fontOwner.GetMaxpNumGlyphs())
{
throw new ApplicationException("error in cmap table");
}
Table_hmtx.longHorMetric hmSpace = hmtxTable.GetOrMakeHMetric(iSpaceGlyph, fontOwner);
if (hmSpace != null)
{
int nTotalWeight = hmSpace.advanceWidth * weightSpace;
int nLowerCase = 0;
for (char c = 'a'; c <= 'z'; c++)
{
uint iGlyph = fontOwner.FastMapUnicodeToGlyphID(c);
if (iGlyph > 0
&& iGlyph < fontOwner.GetMaxpNumGlyphs())
{
nLowerCase ++;
Table_hmtx.longHorMetric hm = hmtxTable.GetOrMakeHMetric(iGlyph, fontOwner);
nTotalWeight += hm.advanceWidth * weightLC[c-'a'];
}
}
short CalcAvgWidth = 0;
if (nLowerCase == 26)
{
CalcAvgWidth = (short)(nTotalWeight / 1000);
}
else
{
int nTotalWidth = 0;
int nTotalGlyphs = 0;
for (uint iGlyph=0; iGlyph<fontOwner.GetMaxpNumGlyphs(); iGlyph++)
{
Table_hmtx.longHorMetric hm = hmtxTable.GetOrMakeHMetric(iGlyph, fontOwner);
nTotalWidth += hm.advanceWidth;
nTotalGlyphs ++;
}
CalcAvgWidth = (short)(nTotalWidth / nTotalGlyphs);
}
if (xAvgCharWidth == CalcAvgWidth)
{
v.Pass(T.OS_2_xAvgCharWidth, P.OS_2_P_xAvgCharWidth, m_tag);
}
else
{
string s = "actual = " + xAvgCharWidth + ", calc = " + CalcAvgWidth;
v.Error(T.OS_2_xAvgCharWidth, E.OS_2_E_xAvgCharWidth, m_tag, s);
bRet = false;
}
}
else
{
v.Warning(T.OS_2_xAvgCharWidth, W.OS_2_W_hmtx_invalid, m_tag, "unable to parse hmtx table");
}
}
catch (ApplicationException e)
{
v.Warning(T.OS_2_xAvgCharWidth, W._TEST_W_ErrorInAnotherTable, m_tag, "xAvgCharWidth cannot be validated due to " + e.Message);
}
}
}
}
else
{
// not a TT outline font - should embedded bitmap only font be handled here?
v.Info(T.OS_2_xAvgCharWidth, I._TEST_I_NotForCFF, m_tag, "test = OS/2_xAvgCharWidth");
}
}
}
if (v.PerformTest(T.OS_2_WeightClass))
{
if (usWeightClass >= 100 &&
usWeightClass <= 900 &&
usWeightClass% 100 == 0)
{
bool bWeightClassOk = true;
// compare to the PANOSE weight value
if (panose_byte1 == 2 || panose_byte1 == 3 || panose_byte1 == 4) // latin text, hand writing, or decorative
{
if (panose_byte3 > 1)
{
// convert PANOSE weight value from a range of [2..11] to a range of [100..900] (reasonably close anyway, given integer math)
int nConvertedPANOSE = (panose_byte3-2)*89+100;
int nDifference = Math.Abs(usWeightClass - nConvertedPANOSE);
if (nDifference < 200)
{
v.Pass(T.OS_2_WeightClass, P.OS_2_P_WeightClass_PANOSE, m_tag);
}
else
{
v.Warning(T.OS_2_WeightClass, W.OS_2_W_WeightClass_PANOSE, m_tag, "usWeightClass = " + usWeightClass + ", PANOSE weight = " + panose_byte3);
bWeightClassOk = false;
}
}
}
if (bWeightClassOk)
{
v.Pass(T.OS_2_WeightClass, P.OS_2_P_WeightClass, m_tag, usWeightClass.ToString());
}
}
else
{
v.Error(T.OS_2_WeightClass, E.OS_2_E_WeightClass, m_tag, usWeightClass.ToString());
bRet = false;
}
}
if (v.PerformTest(T.OS_2_WidthClass))
{
if (usWidthClass >=1 && usWidthClass <= 9)
{
v.Pass(T.OS_2_WidthClass, P.OS_2_P_WidthClass, m_tag, usWidthClass.ToString());
}
else
{
v.Error(T.OS_2_WidthClass, E.OS_2_E_WidthClass, m_tag, usWidthClass.ToString());
bRet = false;
}
}
if (v.PerformTest(T.OS_2_fsType))
{
bool bPass = true;
if ((fsType & 0xfcf1) != 0)
{
v.Error(T.OS_2_fsType, E.OS_2_E_fsTypeReserved, m_tag, "0x"+fsType.ToString("x4"));
bRet = false;
bPass = false;
}
else
{
int nExclusiveBits = 0;
if ((fsType & 0x0002) !=0) //Restricted License Embedding
{
nExclusiveBits++;
}
if ((fsType & 0x0004) != 0) // Preview and Print embedding
{
nExclusiveBits++;
}
if ((fsType & 0x0008) != 0) // Editable embedding
{
nExclusiveBits++;
}
if (nExclusiveBits > 1)
{
string sDetails = "0x"+fsType.ToString("x4");
if ((fsType & 0x0002) !=0)
{
sDetails += ", Restricted License Embedding";
}
if ((fsType & 0x0004) != 0)
{
sDetails += ", Preview and Print embedding";
}
if ((fsType & 0x0008) != 0)
{
sDetails += ", Editable embedding";
}
v.Error(T.OS_2_fsType, E.OS_2_E_fsTypeExclusiveBits, m_tag, sDetails);
bRet = false;
bPass = false;
}
}
if (bPass)
{
string sDetails = "0x"+fsType.ToString("x4");
if (fsType == 0)
{
sDetails += ", Installable Embedding";
}
if ((fsType & 0x0002) !=0)
{
sDetails += ", Restricted License Embedding";
}
if ((fsType & 0x0004) != 0)
{
sDetails += ", Preview and Print embedding";
}
if ((fsType & 0x0008) != 0)
{
sDetails += ", Editable embedding";
}
if ((fsType & 0x0100) != 0)
{
sDetails += ", No subsetting";
}
if ((fsType & 0x0200) != 0)
{
sDetails += ", Bitmap embedding only";
}
v.Pass(T.OS_2_fsType, P.OS_2_P_fsType, m_tag, sDetails);
}
}
if (v.PerformTest(T.OS_2_SubscriptSuperscript))
{
Table_head headTable = (Table_head)fontOwner.GetTable("head");
if (headTable != null)
{
ushort unitsPerEm = headTable.unitsPerEm;
ushort SmallestScript = (ushort)(unitsPerEm / 10);
bool bNoWarnOrErr = true;
if (ySubscriptXSize < SmallestScript ||
ySubscriptXSize > unitsPerEm )
{
v.Warning(T.OS_2_SubscriptSuperscript, W.OS_2_W_ySubscriptXSize_unlikely, m_tag, ySubscriptXSize.ToString());
bNoWarnOrErr = false;
}
if (ySubscriptYSize < SmallestScript ||
ySubscriptYSize > unitsPerEm )
{
v.Warning(T.OS_2_SubscriptSuperscript, W.OS_2_W_ySubscriptYSize_unlikely, m_tag, ySubscriptYSize.ToString());
bNoWarnOrErr = false;
}
if (ySubscriptYOffset < 0 )
{
v.Warning(T.OS_2_SubscriptSuperscript, W.OS_2_W_ySubscriptYOffset_LTZero, m_tag, ySubscriptYOffset.ToString());
bNoWarnOrErr = false;
}
if (ySuperscriptXSize < SmallestScript ||
ySuperscriptXSize > unitsPerEm )
{
v.Warning(T.OS_2_SubscriptSuperscript, W.OS_2_W_ySuperscriptXSize_unlikely, m_tag, ySuperscriptXSize.ToString());
bNoWarnOrErr = false;
}
if (ySuperscriptYSize < SmallestScript ||
ySuperscriptYSize > unitsPerEm )
{
v.Warning(T.OS_2_SubscriptSuperscript, W.OS_2_W_ySuperscriptYSize_unlikely, m_tag, ySuperscriptYSize.ToString());
bNoWarnOrErr = false;
}
if (ySuperscriptYOffset < 0 )
{
v.Warning(T.OS_2_SubscriptSuperscript, W.OS_2_W_ySuperscriptYOffset_unlikely, m_tag, ySuperscriptYOffset.ToString());
bNoWarnOrErr = false;
}
if (bNoWarnOrErr)
{
v.Pass(T.OS_2_SubscriptSuperscript, P.OS_2_P_SuperscriptSubscript, m_tag);
}
}
else
{
v.Error(T.OS_2_SubscriptSuperscript, E._TEST_E_TableMissing, m_tag, "head");
bRet = false;
}
}
if (v.PerformTest(T.OS_2_Strikeout))
{
Table_head headTable = (Table_head)fontOwner.GetTable("head");
if (headTable != null)
{
ushort unitsPerEm = headTable.unitsPerEm;
bool bNoWarnings = true;
if (yStrikeoutSize < 0 || yStrikeoutSize > unitsPerEm / 2 )
{
v.Warning(T.OS_2_Strikeout, W.OS_2_W_yStrikeoutSize_unlikely, m_tag, yStrikeoutSize.ToString());
bNoWarnings = false;
}
if (yStrikeoutPosition <= 0 )
{
v.Warning(T.OS_2_Strikeout, W.OS_2_W_yStrikeoutPosition_unlikely, m_tag, yStrikeoutPosition.ToString());
bNoWarnings = false;
}
if (bNoWarnings)
{
v.Pass(T.OS_2_Strikeout, P.OS_2_P_Strikeout, m_tag);
}
}
else
{
v.Error(T.OS_2_Strikeout, E._TEST_E_TableMissing, m_tag, "head");
bRet = false;
}
}
if (v.PerformTest(T.OS_2_FamilyClass))
{
bool bIDsOk = true;
byte ClassID = (byte)(sFamilyClass >> 8);
byte SubclassID = (byte)(sFamilyClass);
if (ClassID == 6 || ClassID == 11 || ClassID == 13 || ClassID == 14 )
{
v.Error(T.OS_2_FamilyClass, E.OS_2_E_sFamilyClass_classID_reserved, m_tag, ClassID.ToString());
bIDsOk = false;
bRet = false;
}
if (ClassID > 14 )
{
v.Error(T.OS_2_FamilyClass, E.OS_2_E_sFamilyClass_ClassID_undefined, m_tag, ClassID.ToString());
bIDsOk = false;
bRet = false;
}
if (SubclassID > 15 )
{
v.Error(T.OS_2_FamilyClass, E.OS_2_E_sFamilyClass_subclassID_undefined, m_tag, ClassID.ToString());
bIDsOk = false;
bRet = false;
}
if (bIDsOk)
{
v.Pass(T.OS_2_FamilyClass, P.OS_2_P_sFamilyClass, m_tag);
}
}
if (v.PerformTest(T.OS_2_Panose))
{
bool bPanoseOk = true;
if (panose_byte1 < 5) // panose kind valid, but not latin symbol
{
if (fontOwner.ContainsSymbolsOnly())
{
v.Error(T.OS_2_Panose, E.OS_2_E_Panose_FamilyTypeNotSymbol, m_tag, "PANOSE byte 1 = " + panose_byte1.ToString());
bPanoseOk = false;
bRet = false;
}
}
else if (panose_byte1 == 5) // panose family kind == latin symbol
{
if (!fontOwner.ContainsSymbolsOnly())
{
v.Error(T.OS_2_Panose, E.OS_2_E_Panose_FamilyTypeSymbol, m_tag, "PANOSE byte 1 = " + panose_byte1.ToString());
bPanoseOk = false;
bRet = false;
}
}
else if ( panose_byte1 > 5 ) // family kind is invalid
{
v.Error(T.OS_2_Panose, E.OS_2_E_Panose_bFamilyType, m_tag, panose_byte1.ToString());
bPanoseOk = false;
bRet = false;
}
if (panose_byte1 == 2) // family kind == latin text
{
if ( panose_byte2 > 15 )
{
v.Error(T.OS_2_Panose, E.OS_2_E_Panose_bSerifStyle, m_tag, panose_byte2.ToString());
bPanoseOk = false;
bRet = false;
}
}
if ( panose_byte3 > 11 ) // byte3 always means weight
{
v.Error(T.OS_2_Panose, E.OS_2_E_Panose_bWeight, m_tag, panose_byte3.ToString());
bPanoseOk = false;
bRet = false;
}
if (panose_byte1 == 5) // panose family kind == latin symbol
{
if (panose_byte3 != 1) // weight must be 1 for symbols
{
v.Error(T.OS_2_Panose, E.OS_2_E_Panose_SymbolWeight, m_tag, panose_byte3.ToString());
bPanoseOk = false;
bRet = false;
}
if (panose_byte5 != 1) // aspect ratio & contrast must be 1 for symbols
{
v.Error(T.OS_2_Panose, E.OS_2_E_Panose_SymbolAspectRatio, m_tag, panose_byte5.ToString());
bPanoseOk = false;
bRet = false;
}
}
if (panose_byte1 == 2) // family kind == latin text
{
// the following tests are only valid when family kind is latin text
if ( panose_byte4 > 9 )
{
v.Error(T.OS_2_Panose, E.OS_2_E_Panose_bProportion, m_tag, panose_byte4.ToString());
bPanoseOk = false;
bRet = false;
}
if ( panose_byte5 > 9 )
{
v.Error(T.OS_2_Panose, E.OS_2_E_Panose_bContrast, m_tag, panose_byte5.ToString());
bPanoseOk = false;
bRet = false;
}
if ( panose_byte6 > 10 )
{
v.Error(T.OS_2_Panose, E.OS_2_E_Panose_bStrokeVariation, m_tag, panose_byte6.ToString());
bPanoseOk = false;
bRet = false;
}
if ( panose_byte7 > 11 )
{
v.Error(T.OS_2_Panose, E.OS_2_E_Panose_bArmStyle, m_tag, panose_byte7.ToString());
bPanoseOk = false;
bRet = false;
}
if ( panose_byte8 > 15 )
{
v.Error(T.OS_2_Panose, E.OS_2_E_Panose_bLetterform, m_tag, panose_byte8.ToString());
bPanoseOk = false;
bRet = false;
}
if ( panose_byte9 > 13 )
{
v.Error(T.OS_2_Panose, E.OS_2_E_Panose_bMidline, m_tag, panose_byte9.ToString());
bPanoseOk = false;
bRet = false;
}
if ( panose_byte10 > 7 )
{
v.Error(T.OS_2_Panose, E.OS_2_E_Panose_bXHeight, m_tag, panose_byte10.ToString());
bPanoseOk = false;
bRet = false;
}
}
if (panose_byte1 == 0 &&
panose_byte2 == 0 &&
panose_byte3 == 0 &&
panose_byte4 == 0 &&
panose_byte5 == 0 &&
panose_byte6 == 0 &&
panose_byte7 == 0 &&
panose_byte8 == 0 &&
panose_byte9 == 0 &&
panose_byte10 == 0 )
{
v.Warning(T.OS_2_Panose, W.OS_2_W_Panose_undefined, m_tag);
bPanoseOk = false;
}
if (bPanoseOk)
{
v.Pass(T.OS_2_Panose, P.OS_2_P_Panose, m_tag);
}
}
if (v.PerformTest(T.OS_2_UnicodeRanges))
{
bRet &= CheckUnicodeRanges(v, fontOwner);
}
if (v.PerformTest(T.OS_2_fsSelection))
{
bool bSelOk = true;
Table_name nameTable = (Table_name)fontOwner.GetTable("name");
string sStyle = null;
string sStyleLower = null;
if (nameTable != null)
{
sStyle = nameTable.GetStyleString();
if (sStyle != null)
{
sStyleLower = sStyle.ToLower();
}
}
// reserved bits
if ( (fsSelection & 0xFF80 ) != 0 )
{
// we need to look for Win 3.1 font pages
// Fonts with these
const ushort HEBREW_FONT_PAGE = 0xB100;
const ushort SIMP_ARABIC_FONT_PAGE = 0xB200;
const ushort TRAD_ARABIC_FONT_PAGE = 0xB300;
const ushort OEM_ARABIC_FONT_PAGE = 0xB400;
const ushort SIMP_FARSI_FONT_PAGE = 0xBA00;
const ushort TRAD_FARSI_FONT_PAGE = 0xBB00;
const ushort THAI_FONT_PAGE = 0xDE00;
String sDetails = "Bit(s) ";
bool bFoundFirstBadBit = false;
if (version == 0)
{
switch (fsSelection & 0xFF00)
{
case HEBREW_FONT_PAGE:
sDetails = "Hebrew Windows 3.1 font page";
break;
case SIMP_ARABIC_FONT_PAGE:
sDetails = "Simplified Arabic Windows 3.1 font page";
break;
case TRAD_ARABIC_FONT_PAGE:
sDetails = "Traditional Arabic Windows 3.1 font page";
break;
case OEM_ARABIC_FONT_PAGE:
sDetails = "OEM Arabic Windows 3.1 font page";
break;
case SIMP_FARSI_FONT_PAGE:
sDetails = "Simplified Farsi Windows 3.1 font page";
break;
case TRAD_FARSI_FONT_PAGE:
sDetails = "Traditional Farsi Windows 3.1 font page";
break;
case THAI_FONT_PAGE:
sDetails = "Thai Windows 3.1 font page";
break;
default:
for (int i=0; i<16; i++)
{
int nBitValue = 1<<i;
if ((nBitValue & 0xFF80) != 0)
{
if ((fsSelection & nBitValue) != 0)
{
if (bFoundFirstBadBit)
{
sDetails += ", " + i;
}
else
{
sDetails += i.ToString();
bFoundFirstBadBit = true;
}
}
}
}
break;
}
}
else
{
for (int i=0; i<16; i++)
{
int nBitValue = 1<<i;
if ((nBitValue & 0xFF80) != 0)
{
if ((fsSelection & nBitValue) != 0)
{
if (bFoundFirstBadBit)
{
sDetails += ", " + i;
}
else
{
sDetails += i.ToString();
bFoundFirstBadBit = true;
}
}
}
}
}
v.Error(T.OS_2_fsSelection, E.OS_2_E_fsSelection_undefbits, m_tag, sDetails);
bSelOk = false;
bRet = false;
}
// compare to head.macStyle italic and bold bits
Table_head headTable = (Table_head)fontOwner.GetTable("head");
if (headTable != null)
{
bool bItalic = ((fsSelection & 0x01) != 0 );
bool bBold = ((fsSelection & 0x20) != 0 );
bool bMacBold = ((headTable.macStyle & 0x0001) != 0);
bool bMacItal = ((headTable.macStyle & 0x0002) != 0);
if (bItalic != bMacItal)
{
string sDetails = null;
if (bItalic) sDetails = "fsSelection italic bit is set, but macstyle italic bit is clear";
else sDetails = "fsSelection italic bit is clear, but macstyle italic bit is set";
v.Error(T.OS_2_fsSelection, E.OS_2_E_fsSelection_macStyle_italic, m_tag, sDetails);
bSelOk = false;
bRet = false;
}
if (bBold != bMacBold)
{
string sDetails = null;
if (bBold) sDetails = "fsSelection bold bit is set, but macstyle bold bit is clear";
else sDetails = "fsSelection bold bit is clear, but macstyle bold bit is set";
v.Error(T.OS_2_fsSelection, E.OS_2_E_fsSelection_macStyle_bold, m_tag, sDetails);
bSelOk = false;
bRet = false;
}
}
if ((fsSelection & 0x01) != 0 ) // italic bit
{
// compare to name subfamily
if (sStyleLower != null)
{
if (sStyleLower.IndexOf("italic") == -1 && sStyleLower.IndexOf("oblique") == -1)
{
v.Error(T.OS_2_fsSelection, E.OS_2_E_fsSelection_subfamily, m_tag, "fsSelection italic bit is set, but subfamily is " + sStyle);
bSelOk = false;
bRet = false;
}
}
}
if ((fsSelection & 0x20) != 0 ) // bold bit
{
// compare to name subfamily
if (sStyleLower != null)
{
if (sStyleLower.IndexOf("bold") == -1)
{
v.Error(T.OS_2_fsSelection, E.OS_2_E_fsSelection_subfamily, m_tag, "fsSelection bold bit is set, but subfamily is " + sStyle);
bSelOk = false;
bRet = false;
}
}
if (usWeightClass <= 500)
{
v.Warning(T.OS_2_fsSelection, W.OS_2_W_fsSelection_weight, m_tag, "usWeightClass = " + usWeightClass);
bSelOk = false;
}
}
if ((fsSelection & 0x40) != 0 ) // regular bit
{
if ((fsSelection & 0x20) != 0 )
{
v.Error(T.OS_2_fsSelection, E.OS_2_E_reg_bold, m_tag);
bSelOk = false;
bRet = false;
}
if ((fsSelection & 0x01) != 0)
{
v.Error(T.OS_2_fsSelection, E.OS_2_E_reg_ital, m_tag);
bSelOk = false;
bRet = false;
}
if (sStyleLower != null)
{
// compare to name subfamily
if (sStyleLower.CompareTo("regular") != 0)
{
v.Error(T.OS_2_fsSelection, E.OS_2_E_fsSelection_subfamily, m_tag, "fsSelection regular bit is set, but subfamily is " + sStyle);
bSelOk = false;
bRet = false;
}
}
}
if (bSelOk)
{
v.Pass(T.OS_2_fsSelection, P.OS_2_P_fsSelection, m_tag);
}
}
if (v.PerformTest(T.OS_2_CharIndexes))
{
Table_cmap cmapTable = (Table_cmap)fontOwner.GetTable("cmap");
if (cmapTable != null)
{
ushort charFirst = 0xffff;
ushort charLast = 0;
Table_cmap.EncodingTableEntry eteUni = cmapTable.GetEncodingTableEntry(3,1);
if (eteUni == null)
{
// presumably a symbol font
eteUni = cmapTable.GetEncodingTableEntry(3,0);
}
if (eteUni != null)
{
Table_cmap.Subtable st = cmapTable.GetSubtable(eteUni);
if (st != null)
{
bool bCmapOk = true;
byte[] charbuf = new byte[2];
// find the first char
for (ushort c=0; c<0xffff; c++)
{
charbuf[0] = (byte)c;
charbuf[1] = (byte)(c>>8);
uint glyphID;
try
{
glyphID = st.MapCharToGlyph(charbuf, 0);
}
catch
{
bCmapOk = false;
break;
}
if (glyphID != 0)
{
charFirst = c;
break;
}
}
// find the last char (start at fffd: fffe and ffff aren't legal characters)
if (bCmapOk)
{
for (ushort c=0xfffd; c>0; c--)
{
charbuf[0] = (byte)c;
charbuf[1] = (byte)(c>>8);
uint glyphID;
try
{
glyphID = st.MapCharToGlyph(charbuf, 0);
}
catch
{
bCmapOk = false;
break;
}
if (glyphID != 0)
{
charLast = c;
break;
}
}
}
if (!bCmapOk)
{
v.Warning(T.OS_2_CharIndexes, W._TEST_W_ErrorInAnotherTable, m_tag, "usFirstCharIndex and usLastCharIndex cannot be validated due to errors in the cmap table");
}
else if (usFirstCharIndex == charFirst && usLastCharIndex == charLast)
{
v.Pass(T.OS_2_CharIndexes, P.OS_2_P_CharIndexes, m_tag, "first = 0x" + usFirstCharIndex.ToString("x4") + ", last = 0x" + usLastCharIndex.ToString("x4"));
}
else
{
if (usFirstCharIndex != charFirst)
{
String sDetails = "actual = 0x" + usFirstCharIndex.ToString("x4") + ", calculated = 0x" + charFirst.ToString("x4");
v.Error(T.OS_2_CharIndexes, E.OS_2_E_usFirstCharIndex, m_tag, sDetails);
bRet = false;
}
if (usLastCharIndex != charLast)
{
String sDetails = "actual = 0x" + usLastCharIndex.ToString("x4") + ", calculated = 0x" + charLast.ToString("x4");
v.Error(T.OS_2_CharIndexes, E.OS_2_E_usLastCharIndex, m_tag, sDetails);
bRet = false;
}
}
}
else
{
v.Warning(T.OS_2_CharIndexes, W._TEST_W_ErrorInAnotherTable, m_tag, "usFirstCharIndex and usLastCharIndex cannot be validated due to errors in the cmap table");
}
}
}
else
{
v.Error(T.OS_2_CharIndexes, E._TEST_E_TableMissing, m_tag, "cmap");
bRet = false;
}
}
if (v.PerformTest(T.OS_2_TypoMetrics))
{
bool bOk = true;
if (sTypoAscender <= 0)
{
v.Error(T.OS_2_TypoMetrics, E.OS_2_E_sTypoAscender_notpositive, m_tag, sTypoAscender.ToString());
bOk = false;
bRet = false;
}
if (sTypoDescender > 0)
{
v.Error(T.OS_2_TypoMetrics, E.OS_2_E_sTypoDescender_positive, m_tag, sTypoDescender.ToString());
bOk = false;
bRet = false;
}
Table_head headTable = (Table_head)fontOwner.GetTable("head");
if (headTable != null)
{
if (sTypoAscender - sTypoDescender > headTable.unitsPerEm)
{
string sDetails = "sTypoAscender = " + sTypoAscender + ", sTypoDescender = " + sTypoDescender;
v.Warning(T.OS_2_TypoMetrics, W.OS_2_W_sTypoAscenderDescender_difference, m_tag, sDetails);
bOk = false;
}
}
else
{
v.Error(T.OS_2_TypoMetrics, E._TEST_E_TableMissing, m_tag, "head");
bRet = false;
}
if (bOk)
{
string sDetails = "sTypoAscender = " + sTypoAscender + ", sTypoDescender = " + sTypoDescender;
v.Pass(T.OS_2_TypoMetrics, P.OS_2_P_sTypoAscenderDescender, m_tag, sDetails);
}
}
if (v.PerformTest(T.OS_2_CodePageRanges))
{
if (version >= 1)
{
bRet &= CheckCodePageRanges(v, fontOwner);
}
}
if (v.PerformTest(T.OS_2_sxHeight))
{
if (version >= 2)
{
if (sxHeight == 0)
{
if (fontOwner.FastMapUnicodeToGlyphID((char)0x0078) != 0)
{
v.Error(T.OS_2_sxHeight, E.OS_2_E_sxHeight, m_tag);
bRet = false;
}
else
{
v.Pass(T.OS_2_sxHeight, P.OS_2_P_sxHeight_zero, m_tag, sxHeight.ToString());
}
}
else
{
v.Pass(T.OS_2_sxHeight, P.OS_2_P_sxHeight_nonzero, m_tag, sxHeight.ToString());
}
}
}
if (v.PerformTest(T.OS_2_sCapHeight))
{
if (version >= 2)
{
if (sCapHeight == 0)
{
if (fontOwner.FastMapUnicodeToGlyphID((char)0x0048) != 0)
{
v.Error(T.OS_2_sCapHeight, E.OS_2_E_sCapHeight, m_tag);
bRet = false;
}
else
{
v.Pass(T.OS_2_sCapHeight, P.OS_2_P_sCapHeight_zero, m_tag, sCapHeight.ToString());
}
}
else
{
v.Pass(T.OS_2_sCapHeight, P.OS_2_P_sCapHeight_nonzero, m_tag, sCapHeight.ToString());
}
}
}
if (v.PerformTest(T.OS_2_usDefaultChar))
{
if (version >= 2)
{
if (usDefaultChar == 0)
{
v.Pass(T.OS_2_usDefaultChar, P.OS_2_P_usDefaultChar_zero, m_tag);
}
else if (fontOwner.FastMapUnicodeToGlyphID((char)usDefaultChar) != 0)
{
v.Pass(T.OS_2_usDefaultChar, P.OS_2_P_usDefaultChar_nonzero, m_tag, "0x" + usDefaultChar.ToString("x4"));
}
else
{
v.Error(T.OS_2_usDefaultChar, E.OS_2_E_usDefaultChar_notmapped, m_tag, "0x" + usDefaultChar.ToString("x4"));
bRet = false;
}
}
}
if (v.PerformTest(T.OS_2_usBreakChar))
{
if (version >= 2)
{
if (fontOwner.FastMapUnicodeToGlyphID((char)usBreakChar) != 0)
{
v.Pass(T.OS_2_usBreakChar, P.OS_2_P_usBreakChar_mapped, m_tag);
}
else
{
v.Error(T.OS_2_usBreakChar, E.OS_2_E_usBreakChar_notmapped, m_tag, "0x" + usBreakChar.ToString("x4"));
bRet = false;
}
}
}
if (v.PerformTest(T.OS_2_usMaxContext))
{
if (version >= 2)
{
ushort GPOSMaxContext = 0;
Table_GPOS GPOSTable = (Table_GPOS)fontOwner.GetTable("GPOS");
if (GPOSTable != null)
{
GPOSMaxContext = GPOSTable.GetMaxContext();
}
ushort GSUBMaxContext = 0;
Table_GSUB GSUBTable = (Table_GSUB)fontOwner.GetTable("GSUB");
if (GSUBTable != null)
{
GSUBMaxContext = GSUBTable.GetMaxContext();
}
ushort CalcMaxContext = Math.Max(GPOSMaxContext, GSUBMaxContext);
if (usMaxContext == CalcMaxContext)
{
v.Pass(T.OS_2_usMaxContext, P.OS_2_P_usMaxContext, m_tag, usMaxContext.ToString());
}
else
{
v.Error(T.OS_2_usMaxContext, E.OS_2_E_usMaxContext, m_tag, "calc = " + CalcMaxContext + ", actual = " + usMaxContext);
bRet = false;
}
}
}
return bRet;
}
/************************
* public methods
*/
public bool Validate(Validator v, OTFontVal fontOwner)
{
bool bRet = true;
if (v.PerformTest(T.LTSH_version))
{
if (version == 0)
{
v.Pass(T.LTSH_version, P.LTSH_P_version, m_tag);
}
else
{
v.Error(T.LTSH_version, E.LTSH_E_version, m_tag, version.ToString());
bRet = false;
}
}
Table_maxp maxpTable = (Table_maxp)fontOwner.GetTable("maxp");
if (maxpTable == null)
{
v.Error(T.T_NULL, E._TEST_E_TableMissing, m_tag, "Unable to test this table, maxp table is invalid or missing");
return(false);
}
if (v.PerformTest(T.LTSH_numGlyphs))
{
if (numGlyphs == fontOwner.GetMaxpNumGlyphs())
{
v.Pass(T.LTSH_numGlyphs, P.LTSH_P_numGlyphs, m_tag);
}
else
{
string s = "LTSH.numGlyphs = " + numGlyphs + ", maxp.numGlyphs = " + fontOwner.GetMaxpNumGlyphs();
v.Error(T.LTSH_numGlyphs, E.LTSH_E_numGlyphs, m_tag, s);
bRet = false;
}
}
if (v.PerformTest(T.LTSH_TableLength))
{
uint CalcLength = (uint)FieldOffsets.yPels + numGlyphs;
if (GetLength() == CalcLength)
{
v.Pass(T.LTSH_TableLength, P.LTSH_P_TableLength, m_tag);
}
else
{
string s = "calc length = " + CalcLength + ", actual length = " + GetLength();
v.Error(T.LTSH_TableLength, E.LTSH_E_TableLength, m_tag, s);
bRet = false;
}
}
if (v.PerformTest(T.LTSH_yPels))
{
bool bYPelsOk = true;
RasterInterf.DevMetricsData dmd = null;
try
{
Version ver = fontOwner.GetFile().GetRasterizer().FTVersion;
if (ver.CompareTo(new Version(2, 6, 1)) < 0)
{
v.Warning(T.LTSH_yPels, W.LTSH_W_Need_Newer_FreeType, m_tag,
"Using FreeType Version " + ver + " may not get correct results for LTSH");
}
dmd = fontOwner.GetCalculatedDevMetrics();
}
catch (Exception e)
{
v.ApplicationError(T.LTSH_yPels, E._Table_E_Exception, m_tag, e.Message);
bRet = false;
}
if (dmd != null)
{
for (uint iGlyphIndex = 0; iGlyphIndex < numGlyphs; iGlyphIndex++)
{
if (iGlyphIndex >= fontOwner.GetMaxpNumGlyphs())
{
// JJF. Figure out what to do
v.Warning(T.LTSH_yPels, W._TEST_W_OtherErrorsInTable, m_tag, "can't test all yPel values, LTSH.numGlyphs does not equal maxp.numGlyphs");
bRet = false;
bYPelsOk = false;
break;
}
if (GetYPel(iGlyphIndex) != dmd.ltshData.yPels[iGlyphIndex])
{
String sDetails = "glyph# = " + iGlyphIndex + ", value = " + GetYPel(iGlyphIndex) + ", calculated value = " + dmd.ltshData.yPels[iGlyphIndex];
v.Error(T.LTSH_yPels, E.LTSH_E_yPels, m_tag, sDetails);
bRet = false;
bYPelsOk = false;
}
/*
* else
* {
* String sDetails = "glyph# = " + iGlyphIndex + ", value = " + GetYPel(iGlyphIndex);
* v.DebugMsg("yPel value OK! " + sDetails, m_tag);
* }
*/
if (GetYPel(iGlyphIndex) == 0)
{
String sDetails = "glyph# = " + iGlyphIndex;
v.Warning(T.LTSH_yPels, W.LTSH_W_yPels_zero, m_tag, sDetails);
}
}
if (bYPelsOk)
{
v.Pass(T.LTSH_yPels, P.LTSH_P_yPels, m_tag);
}
}
else
{
// if user didn't cancel, then check for error message
if (!v.CancelFlag)
{
String sDetails = null;
try
{
sDetails = fontOwner.GetDevMetricsDataError();
}
catch (Exception e)
{
v.ApplicationError(T.LTSH_yPels, E._Table_E_Exception, m_tag, e.Message);
}
Debug.Assert(sDetails != null);
v.Error(T.LTSH_yPels, E.LTSH_E_Rasterizer, m_tag, sDetails);
bRet = false;
}
}
}
return(bRet);
}
/************************
* public methods
*/
public bool Validate(Validator v, OTFontVal fontOwner)
{
bool bRet = true;
if (v.PerformTest(T.DSIG_Formats))
{
bool bFormatsOk = true;
for (uint i = 0; i < usNumSigs; i++)
{
SigFormatOffset sfo;
try
{
sfo = GetSigFormatOffset(i);
if (sfo.ulFormat != 1)
{
v.Error(T.DSIG_Formats, E.DSIG_E_Formats, m_tag, "block " + i + ", format = " + sfo.ulFormat);
bFormatsOk = false;
bRet = false;
}
}
catch (IndexOutOfRangeException e)
{
v.Error(T.DSIG_Formats, E.DSIG_E_Formats, m_tag, "block " + i + ", " + e);
bFormatsOk = false;
bRet = false;
break; // No point continuing
}
}
if (bFormatsOk)
{
v.Pass(T.DSIG_Formats, P.DSIG_P_Formats, m_tag);
}
}
if (v.PerformTest(T.DSIG_Reserved))
{
bool bReservedOk = true;
for (uint i = 0; i < usNumSigs; i++)
{
SignatureBlock sb;
try
{
sb = GetSignatureBlock(i);
if (sb.usReserved1 != 0 || sb.usReserved2 != 0)
{
v.Error(T.DSIG_Reserved, E.DSIG_E_Reserved, m_tag, "block " + i);
bReservedOk = false;
bRet = false;
}
}
catch (IndexOutOfRangeException)
{
v.Error(T.DSIG_Reserved, E.DSIG_E_Reserved, m_tag, "block " + i);
bReservedOk = false;
bRet = false;
break; // No point continuing
}
}
if (bReservedOk)
{
v.Pass(T.DSIG_Reserved, P.DSIG_P_Reserved, m_tag);
}
}
if (v.PerformTest(T.DSIG_VerifySignature))
{
OTFile file = fontOwner.GetFile();
System.IO.FileStream fs = file.GetFileStream();
String sFilename = fs.Name;
try {
WinVerifyTrustWrapper wvt = new WinVerifyTrustWrapper();
if (wvt.WinVerifyTrustFile(sFilename))
{
if (wvt.usNumSigs > 0)
{
if (wvt.Warn_TTCv1 || wvt.Warn_DSIG_in_memFonts)
{
v.Warning(T.DSIG_VerifySignature, W.DSIG_W_VerifySignature_Generic, m_tag,
(wvt.Warn_TTCv1 ? "TTC with v1 header;":"")
+ (wvt.Warn_DSIG_in_memFonts ? "DSIG tables detected in member fonts;":""));
}
v.Pass(T.DSIG_VerifySignature, P.DSIG_P_VerifySignature, m_tag,
wvt.Signer);
}
else
{
v.Pass(T.DSIG_VerifySignature, P.DSIG_P_VerifySignature, m_tag);
}
}
else
{
v.Error(T.DSIG_VerifySignature, E.DSIG_E_VerifySignature, m_tag);
bRet = false;
}
}
catch (Exception e)
{
if (e is NotImplementedException)
{
v.ApplicationError(T.DSIG_VerifySignature, E.DSIG_A_UNUSUAL_TTC_TABLE_LAYOUT, m_tag, e.Message);
}
else
{
v.Error(T.DSIG_VerifySignature, E.DSIG_E_VerifySignature, m_tag, e.Message);
}
bRet = false;
}
}
return(bRet);
}
/*****************
* protected methods
*/
/*****************
* public methods
*/
//meant to avoid code repetition (is called from OTFontVal too)
public bool ValidateTable(OTTable table, Validator v, DirectoryEntry de, OTFontVal fontOwner)
{
String tname = GetTableManager().GetUnaliasedTableName(de.tag);
bool bRet = true;
// verify the checksum value from the directory entry matches the checksum for the table
if (!(tname == "DSIG" && IsCollection()))
{
uint calcChecksum = 0;
if (table != null)
{
calcChecksum = table.CalcChecksum();
}
if (de.checkSum != calcChecksum)
{
string s = "table '" + de.tag + "', calc: 0x" + calcChecksum.ToString("x8") + ", font: 0x" + de.checkSum.ToString("x8");
v.Error(T.T_NULL, E._DE_E_ChecksumError, de.tag, s);
bRet = false;
}
}
// verify that table has pad bytes set to zero
if (table != null)
{
uint nBytes = GetNumPadBytesAfterTable(table);
bool bPadBytesZero = true;
if (nBytes != 0)
{
long PadFilePos = table.GetBuffer().GetFilePos() + table.GetBuffer().GetLength();
byte[] padbuf = ReadBytes(PadFilePos, nBytes);
for (int iByte = 0; iByte < padbuf.Length; iByte++)
{
if (padbuf[iByte] != 0)
{
bPadBytesZero = false;
break;
}
}
}
if (bPadBytesZero == false)
{
v.Warning(T.T_NULL, W._DE_W_PadBytesNotZero, de.tag, "after " + de.tag + " table");
}
}
// ask the table object to validate its data
if (!(tname == "DSIG" && IsCollection())) v.OnTableValidationEvent(de, true);
if (table != null)
{
if (v.TestTable(de.tag)) // don't test deselected tables
{
try
{
ITableValidate valtable = (ITableValidate)table;
bRet &= valtable.Validate(v, fontOwner);
}
catch (InvalidCastException e)
{
v.ApplicationError(T.T_NULL, E._Table_E_Exception, table.m_tag, e.ToString());
bRet = false;
}
}
else
{
v.Info(I._Table_I_NotSelected, de.tag);
}
}
else
{
if (de.length == 0)
{
// check if it's a known OT table type since zero length private tables seem allowable
if (TableManager.IsKnownOTTableType(de.tag))
{
v.Error(T.T_NULL, E._Table_E_Invalid, de.tag, "The directory entry length is zero");
bRet = false;
}
}
else if (de.offset == 0)
{
v.Error(T.T_NULL, E._Table_E_Invalid, de.tag, "The directory entry offset is zero");
bRet = false;
}
else if (de.offset > GetFileLength())
{
v.Error(T.T_NULL, E._Table_E_Invalid, de.tag, "The table offset points past end of file");
bRet = false;
}
else if (de.offset + de.length > GetFileLength())
{
v.Error(T.T_NULL, E._Table_E_Invalid, de.tag, "The table extends past end of file");
bRet = false;
}
else
{
v.Error(E._Table_E_Invalid, de.tag);
bRet = false;
}
}
if (!(tname == "DSIG" && IsCollection())) v.OnTableValidationEvent(de, false);
return bRet;
}
/************************
* public methods
*/
public bool Validate(Validator v, OTFontVal fontOwner)
{
bool bRet = true;
if (v.PerformTest(T.head_TableLength))
{
if (m_bufTable.GetLength() == 54)
{
v.Pass(T.head_TableLength, P.head_P_TableLength, m_tag);
}
else
{
v.Error(T.head_TableLength, E.head_E_TableLength, m_tag, m_bufTable.GetLength().ToString());
bRet = false;
}
}
if (v.PerformTest(T.head_TableVersion))
{
if (TableVersionNumber.GetUint() == 0x00010000)
{
v.Pass(T.head_TableVersion, P.head_P_TableVersion, m_tag);
}
else
{
v.Error(T.head_TableVersion, E.head_E_TableVersion, m_tag, "0x" + TableVersionNumber.GetUint().ToString("x8"));
bRet = false;
}
}
if (v.PerformTest(T.head_fontRevision))
{
string sVersion = fontOwner.GetFontVersion();
if (sVersion != null)
{
if (sVersion.Length >= 11 &&
sVersion.StartsWith("Version ") &&
Char.IsDigit(sVersion, 8))
{
string sVersionNum = sVersion.Substring(8);
bool bFoundDecPt = false;
int nLastDigitPos = 0;
for (int i = 0; i < sVersionNum.Length; i++)
{
if (Char.IsDigit(sVersionNum, i))
{
nLastDigitPos = i;
}
else if (sVersionNum[i] == '.')
{
if (!bFoundDecPt)
{
bFoundDecPt = true;
}
else
{
break;
}
}
else
{
break;
}
}
double fVersion = Double.Parse(sVersionNum.Substring(0, nLastDigitPos + 1));
double fRevision = fontRevision.GetDouble();
if (Math.Round(fVersion, 3) == Math.Round(fRevision, 3))
{
v.Pass(T.head_fontRevision, P.head_P_fontRevision, m_tag, fRevision.ToString("f3"));
}
else
{
string s = "revision: " + fRevision.ToString("f3") + ", version: " + sVersionNum;
v.Warning(T.head_fontRevision, W.head_W_fontRevision, m_tag, s);
}
}
}
}
if (v.PerformTest(T.head_ChecksumAdjustment))
{
if (checkSumAdjustment == 0xb1b0afba - fontOwner.CalcChecksum())
{
v.Pass(T.head_ChecksumAdjustment, P.head_P_FontChecksum, m_tag, "0x" + checkSumAdjustment.ToString("x8"));
}
else
{
v.Error(T.head_ChecksumAdjustment, E.head_E_FontChecksum, m_tag, "0x" + checkSumAdjustment.ToString("x8"));
bRet = false;
}
}
if (v.PerformTest(T.head_MagicNumber))
{
if (magicNumber == 0x5f0f3cf5)
{
v.Pass(T.head_MagicNumber, P.head_P_MagicNumber, m_tag);
}
else
{
v.Error(T.head_MagicNumber, E.head_E_MagicNumber, m_tag, "0x" + magicNumber.ToString("x8"));
bRet = false;
}
}
if (v.PerformTest(T.head_FlagTests))
{
ushort val = flags;
// bit 0 indicates baseline for font at y=0
// bit 1 indicates left sidebearing point at x=0
// bit 2 indicates instructions may depend on point size
// bit 3 indicates forcing ppem to integer values instead of fractional values
// bit 4 indicates non-linear scaling - if set allows presence of LTSH and/or hdmx tables
Table_hdmx hdmxTable = (Table_hdmx)fontOwner.GetTable("hdmx");
Table_LTSH LTSHTable = (Table_LTSH)fontOwner.GetTable("LTSH");
if ((val & 0x0010) == 0)
{
if (hdmxTable == null)
{
v.Pass(T.head_FlagTests, P.head_P_flags_bit4_0_hdmx, m_tag);
}
else
{
v.Error(T.head_FlagTests, E.head_E_flags_bit4_0_hdmx, m_tag);
}
if (LTSHTable == null)
{
v.Pass(T.head_FlagTests, P.head_P_flags_bit4_0_LTSH, m_tag);
}
else
{
v.Error(T.head_FlagTests, E.head_E_flags_bit4_0_LTSH, m_tag);
}
}
else
{
if (hdmxTable != null)
{
v.Pass(T.head_FlagTests, P.head_P_flags_bit4_1_hdmx, m_tag);
}
else
{
v.Warning(T.head_FlagTests, W.head_W_flags_bit4_1_hdmx, m_tag);
}
if (LTSHTable != null)
{
v.Pass(T.head_FlagTests, P.head_P_flags_bit4_1_LTSH, m_tag);
}
else
{
v.Warning(T.head_FlagTests, W.head_W_flags_bit4_1_LTSH, m_tag);
}
}
// bits 5 - 10 are used by apple and ignored by windows
// bit 11 indicates font data is 'lossless' as a result of having been compressed/decompressed
// bit 12 indicates a converted font
// bit 13 indicates optimized for cleartype
// bit 14 reserved
if ((val & 0x4000) == 0)
{
v.Pass(T.head_FlagTests, P.head_P_flags_bit14, m_tag);
}
else
{
v.Error(T.head_FlagTests, E.head_E_flags_bit14, m_tag, val.ToString());
bRet = false;
}
// bit 15 reserved
if ((val & 0x8000) == 0)
{
v.Pass(T.head_FlagTests, P.head_P_flags_bit15, m_tag);
}
else
{
v.Error(T.head_FlagTests, E.head_E_flags_bit15, m_tag, val.ToString());
bRet = false;
}
}
if (v.PerformTest(T.head_UnitsPerEmValues))
{
ushort val = unitsPerEm;
bool bInRange = false;
if (val < 16) // opentype spec says min value is 16
{
v.Error(T.head_UnitsPerEmValues, E.head_E_unitsPerEm_LT16, m_tag, val.ToString());
bRet = false;
}
else if (val < 64) // apple spec says min value is 64
{
v.Warning(T.head_UnitsPerEmValues, W.head_W_unitsPerEM_LT64, m_tag, val.ToString());
}
else if (val > 16384)
{
v.Error(T.head_UnitsPerEmValues, E.head_E_unitsPerEM_GT16384, m_tag, val.ToString());
bRet = false;
}
else
{
bInRange = true;
}
// apple spec says unitsPerEm must be power of two
// but don't check if it's a CFF font
if (!fontOwner.ContainsPostScriptOutlines())
{
bool bPowerOfTwo = false;
for (int i = 0; i < 16; i++)
{
ushort nPow2 = (ushort)(1 << i);
if (val == nPow2)
{
bPowerOfTwo = true;
break;
}
}
if (bPowerOfTwo)
{
if (bInRange)
{
v.Pass(T.head_UnitsPerEmValues, P.head_P_unitsPerEm, m_tag, val.ToString());
}
}
else
{
v.Warning(T.head_UnitsPerEmValues, W.head_W_unitsPerEm_Pow2, m_tag, val.ToString());
}
}
}
if (v.PerformTest(T.head_Dates))
{
DateTime dtBeforeTrueType = new DateTime(1985, 1, 1);
if ((created >> 32) == 0)
{
DateTime dtCreated = this.GetCreatedDateTime();
string sDetails = "created = " + created + " (" + dtCreated.ToString("f", null) + ")";
if (created == 0)
{
v.Warning(T.head_Dates, W.head_W_created_0, m_tag);
}
else if (dtCreated < dtBeforeTrueType || dtCreated > DateTime.Now)
{
v.Warning(T.head_Dates, W.head_W_created_unlikely, m_tag, sDetails);
}
else
{
v.Pass(T.head_Dates, P.head_P_created_0, m_tag, sDetails);
}
}
else
{
string sDetails = "created = 0x" + created.ToString("x16");
v.Error(T.head_Dates, E.head_E_created_invalid, m_tag, sDetails);
bRet = false;
}
if ((modified >> 32) == 0)
{
DateTime dtModified = this.GetModifiedDateTime();
string sDetails = "modified = " + modified + " (" + dtModified.ToString("f", null) + ")";
if (modified == 0)
{
v.Warning(T.head_Dates, W.head_W_modified_0, m_tag);
}
else if (dtModified < dtBeforeTrueType || dtModified > DateTime.Now)
{
v.Warning(T.head_Dates, W.head_W_modified_unlikely, m_tag, sDetails);
}
else
{
v.Pass(T.head_Dates, P.head_P_modified_0, m_tag, sDetails);
}
}
else
{
string sDetails = "modified = 0x" + modified.ToString("x16");
v.Error(T.head_Dates, E.head_E_modified_invalid, m_tag, sDetails);
bRet = false;
}
}
if (v.PerformTest(T.head_MinMaxValues))
{
if (fontOwner.ContainsTrueTypeOutlines())
{
if (xMin > xMax)
{
v.Error(T.head_MinMaxValues, E.head_E_xMin_GT_xMax, m_tag);
bRet = false;
}
if (yMin > yMax)
{
v.Error(T.head_MinMaxValues, E.head_E_yMin_GT_yMax, m_tag);
bRet = false;
}
short xMinExpected = 32767;
short xMaxExpected = -32768;
short yMinExpected = 32767;
short yMaxExpected = -32768;
Table_glyf glyfTable = (Table_glyf)fontOwner.GetTable("glyf");
if (glyfTable != null)
{
Table_maxp maxp = (Table_maxp)fontOwner.GetTable("maxp");
if (maxp != null)
{
for (uint i = 0; i < fontOwner.GetMaxpNumGlyphs(); i++)
{
Table_glyf.header h = glyfTable.GetGlyphHeader(i, fontOwner);
if (h != null)
{
if (xMinExpected > h.xMin)
{
xMinExpected = h.xMin;
}
if (xMaxExpected < h.xMax)
{
xMaxExpected = h.xMax;
}
if (yMinExpected > h.yMin)
{
yMinExpected = h.yMin;
}
if (yMaxExpected < h.yMax)
{
yMaxExpected = h.yMax;
}
}
}
if (xMin == xMinExpected)
{
String s = "xMin = " + xMin;
v.Pass(T.head_MinMaxValues, P.head_P_xMin_glyf, m_tag, s);
}
else
{
string s = "actual: " + xMin + ", expected: " + xMinExpected;
v.Error(T.head_MinMaxValues, E.head_E_xMin_glyf, m_tag, s);
bRet = false;
}
if (yMin == yMinExpected)
{
String s = "yMin = " + yMin;
v.Pass(T.head_MinMaxValues, P.head_P_yMin_glyf, m_tag, s);
}
else
{
string s = "actual: " + yMin + ", expected: " + yMinExpected;
v.Error(T.head_MinMaxValues, E.head_E_yMin_glyf, m_tag, s);
bRet = false;
}
if (xMax == xMaxExpected)
{
String s = "xMax = " + xMax;
v.Pass(T.head_MinMaxValues, P.head_P_xMax_glyf, m_tag, s);
}
else
{
string s = "actual: " + xMax + ", expected: " + xMaxExpected;
v.Error(T.head_MinMaxValues, E.head_E_xMax_glyf, m_tag, s);
bRet = false;
}
if (yMax == yMaxExpected)
{
String s = "yMax = " + yMax;
v.Pass(T.head_MinMaxValues, P.head_P_yMax_glyf, m_tag, s);
}
else
{
string s = "actual: " + yMax + ", expected: " + yMaxExpected;
v.Error(T.head_MinMaxValues, E.head_E_yMax_glyf, m_tag, s);
bRet = false;
}
}
else
{
v.Error(T.head_MinMaxValues, E._TEST_E_TableMissing, m_tag, "maxp");
}
}
else
{
v.Error(T.head_MinMaxValues, E._TEST_E_TableMissing, m_tag, "glyf");
}
}
else
{
v.Info(T.head_MinMaxValues, I._TEST_I_NotForCFF, m_tag, "test = head_MinMaxValues");
}
}
if (v.PerformTest(T.head_MacStyleBits))
{
bool bMacBold = ((macStyle & 0x0001) != 0);
bool bMacItal = ((macStyle & 0x0002) != 0);
// subfamily (style) string
Table_name nameTable = (Table_name)fontOwner.GetTable("name");
string sStyle = null;
string sStyleLower = null;
if (nameTable != null)
{
sStyle = nameTable.GetStyleString();
if (sStyle != null)
{
sStyleLower = sStyle.ToLower();
}
}
if (sStyleLower != null)
{
if (bMacBold && sStyleLower.IndexOf("bold") == -1)
{
v.Error(T.head_MacStyleBits, E.head_E_macStyleBold_subfamily, m_tag, "macStyle bold bit is set, but subfamily is " + sStyle);
bRet = false;
}
else if (!bMacBold && sStyleLower.IndexOf("bold") != -1)
{
v.Error(T.head_MacStyleBits, E.head_E_macStyleBold_subfamily, m_tag, "macStyle bold bit is clear, but subfamily is " + sStyle);
bRet = false;
}
else
{
v.Pass(T.head_MacStyleBits, P.head_P_macStyleBold_subfamily, m_tag);
}
if (bMacItal && sStyleLower.IndexOf("italic") == -1 && sStyleLower.IndexOf("oblique") == -1)
{
v.Error(T.head_MacStyleBits, E.head_E_macStyleItal_subfamily, m_tag, "macStyle italic bit is set, but subfamily is " + sStyle);
bRet = false;
}
else if (!bMacItal && (sStyleLower.IndexOf("italic") != -1 || sStyleLower.IndexOf("oblique") != -1))
{
v.Error(T.head_MacStyleBits, E.head_E_macStyleItal_subfamily, m_tag, "macStyle italic bit is clear, but subfamily is " + sStyle);
bRet = false;
}
else
{
v.Pass(T.head_MacStyleBits, P.head_P_macStyleItal_subfamily, m_tag);
}
}
Table_OS2 OS2Table = (Table_OS2)fontOwner.GetTable("OS/2");
if (OS2Table != null)
{
// fsSelection
bool bOS2Bold = ((OS2Table.fsSelection & 0x0020) != 0);
bool bOS2Ital = ((OS2Table.fsSelection & 0x0001) != 0);
if (bMacBold == bOS2Bold)
{
v.Pass(T.head_MacStyleBits, P.head_P_macStyleBold_OS2, m_tag);
}
else if (bMacBold)
{
v.Error(T.head_MacStyleBits, E.head_E_macStyleBold1_OS2, m_tag);
bRet = false;
}
else
{
v.Error(T.head_MacStyleBits, E.head_E_macStyleBold0_OS2, m_tag);
bRet = false;
}
if (bMacItal == bOS2Ital)
{
v.Pass(T.head_MacStyleBits, P.head_P_macStyleItal_OS2, m_tag);
}
else if (bMacItal)
{
v.Error(T.head_MacStyleBits, E.head_E_macStyleItal1_OS2, m_tag);
bRet = false;
}
else
{
v.Error(T.head_MacStyleBits, E.head_E_macStyleItal0_OS2, m_tag);
bRet = false;
}
}
Table_post postTable = (Table_post)fontOwner.GetTable("post");
if (postTable != null)
{
bool bPostItal = (postTable.italicAngle.GetUint() != 0);
if (bMacItal == bPostItal)
{
v.Pass(T.head_MacStyleBits, P.head_P_macStyleItal_post, m_tag);
}
else if (bMacItal)
{
v.Error(T.head_MacStyleBits, E.head_E_macStyleItal1_post, m_tag);
bRet = false;
}
else
{
v.Error(T.head_MacStyleBits, E.head_E_macStyleItal0_post, m_tag);
bRet = false;
}
}
}
if (v.PerformTest(T.head_LowestRecSize))
{
if (lowestRecPPEM == 0)
{
v.Error(T.head_LowestRecSize, E.head_E_lowestRecPPEM_zero, m_tag);
bRet = false;
}
else if (lowestRecPPEM >= 1 && lowestRecPPEM <= 6)
{
v.Warning(T.head_LowestRecSize, W.head_W_lowestRecPPEM_small, m_tag, "lowestRecPPEM = " + lowestRecPPEM.ToString());
}
else if (lowestRecPPEM >= 36)
{
v.Warning(T.head_LowestRecSize, W.head_W_lowestRecPPEM_large, m_tag, "lowestRecPPEM = " + lowestRecPPEM.ToString());
}
else
{
v.Pass(T.head_LowestRecSize, P.head_P_lowestRecPPEM, m_tag);
}
}
if (v.PerformTest(T.head_FontDirectionHint))
{
if (fontDirectionHint >= -2 && fontDirectionHint <= 2)
{
v.Pass(T.head_FontDirectionHint, P.head_P_fontDirectionHint, m_tag, fontDirectionHint.ToString());
}
else
{
v.Error(T.head_FontDirectionHint, E.head_E_fontDirectionHint, m_tag, fontDirectionHint.ToString());
bRet = false;
}
}
if (v.PerformTest(T.head_IndexToLocFormat))
{
if (fontOwner.ContainsPostScriptOutlines())
{
v.Pass(T.head_IndexToLocFormat, P.head_P_indexToLocFormat_ignore, m_tag, "indexToLocFormat = " + indexToLocFormat);
}
else
{
if (indexToLocFormat == 0 || indexToLocFormat == 1)
{
v.Pass(T.head_IndexToLocFormat, P.head_P_indexToLocFormat_range, m_tag, indexToLocFormat.ToString());
}
else
{
v.Error(T.head_IndexToLocFormat, E.head_E_indexToLocFormat_range, m_tag, indexToLocFormat.ToString());
bRet = false;
}
if (indexToLocFormat == 0 || indexToLocFormat == 1)
{
Table_loca locaTable = (Table_loca)fontOwner.GetTable("loca");
if (locaTable != null)
{
Table_maxp maxpTable = (Table_maxp)fontOwner.GetTable("maxp");
if (maxpTable != null)
{
uint locaTableElementSize = 0;
if (indexToLocFormat == 0)
{
locaTableElementSize = 2;
}
else if (indexToLocFormat == 1)
{
locaTableElementSize = 4;
}
uint CalcLocaLength = (uint)(maxpTable.NumGlyphs + 1) * locaTableElementSize;
if (CalcLocaLength == locaTable.GetLength())
{
v.Pass(T.head_IndexToLocFormat, P.head_P_indexToLocFormat_match, m_tag, indexToLocFormat.ToString());
}
else
{
v.Error(T.head_IndexToLocFormat, E.head_E_indexToLocFormat_match, m_tag, indexToLocFormat.ToString());
bRet = false;
}
}
else
{
v.Error(T.head_IndexToLocFormat, E._TEST_E_TableMissing, m_tag, "maxp");
}
}
else
{
v.Error(T.head_IndexToLocFormat, E._TEST_E_TableMissing, m_tag, "loca");
}
}
}
}
if (v.PerformTest(T.head_GlyphDataFormat))
{
if (glyphDataFormat == 0)
{
v.Pass(T.head_GlyphDataFormat, P.head_P_glyphDataFormat, m_tag);
}
else
{
v.Error(T.head_GlyphDataFormat, E.head_E_glyphDataFormat, m_tag);
bRet = false;
}
}
return(bRet);
}
/************************
* public methods
*/
public bool Validate(Validator v, OTFontVal fontOwner)
{
bool bRet = true;
if (v.PerformTest(T.PCLT_TableLength))
{
if (GetLength() == 54)
{
v.Pass(T.PCLT_TableLength, P.PCLT_P_TableLength, m_tag);
}
else
{
v.Error(T.PCLT_TableLength, E.PCLT_E_TableLength, m_tag, GetLength().ToString());
bRet = false;
}
}
if (v.PerformTest(T.PCLT_Version))
{
if (Version.GetUint() == 0x00010000)
{
v.Pass(T.PCLT_Version, P.PCLT_P_Version, m_tag);
}
else
{
v.Error(T.PCLT_Version, E.PCLT_E_Version, m_tag, "0x" + Version.GetUint().ToString("x8"));
bRet = false;
}
}
if (v.PerformTest(T.PCLT_Pitch))
{
Table_hmtx hmtxTable = (Table_hmtx)fontOwner.GetTable("hmtx");
Table_maxp maxpTable = (Table_maxp)fontOwner.GetTable("maxp");
if (hmtxTable == null)
{
v.Error(T.PCLT_Pitch, E._TEST_E_TableMissing, m_tag, "hmtx");
bRet = false;
}
else if (maxpTable == null)
{
v.Error(T.PCLT_Pitch, E._TEST_E_TableMissing, m_tag, "maxp");
bRet = false;
}
else
{
uint iSpaceGlyph = fontOwner.FastMapUnicodeToGlyphID(' ');
if (iSpaceGlyph < fontOwner.GetMaxpNumGlyphs())
{
Table_hmtx.longHorMetric hmSpace = hmtxTable.GetOrMakeHMetric(iSpaceGlyph, fontOwner);
if (hmSpace != null)
{
if (Pitch == hmSpace.advanceWidth)
{
v.Pass(T.PCLT_Pitch, P.PCLT_P_Pitch, m_tag);
}
else
{
string s = "actual = " + Pitch + ", expected = " + hmSpace.advanceWidth;
v.Error(T.PCLT_Pitch, E.PCLT_E_Pitch, m_tag, s);
bRet = false;
}
}
}
else
{
// JJF Figure out what to do
v.Warning(T.PCLT_Pitch, W._TEST_W_ErrorInAnotherTable, m_tag, "can't validate Pitch field, error getting the space glyph");
bRet = false;
}
}
}
if (v.PerformTest(T.PCLT_Style))
{
ushort Posture = (ushort)(Style & 0x0003);
ushort Width = (ushort)((Style >> 2) & 0x0007);
ushort Structure = (ushort)((Style >> 5) & 0x001f);
ushort Reserved = (ushort)(Style >> 10);
bool bBitsOk = true;
if (Posture == 3)
{
v.Error(T.PCLT_Style, E.PCLT_E_Style_Posture, m_tag, "0x" + Style.ToString("x4"));
bBitsOk = false;
bRet = false;
}
if (Width == 5)
{
v.Error(T.PCLT_Style, E.PCLT_E_Style_Width, m_tag, "0x" + Style.ToString("x4"));
bBitsOk = false;
bRet = false;
}
if (Structure > 17)
{
v.Error(T.PCLT_Style, E.PCLT_E_Style_Structure, m_tag, "0x" + Style.ToString("x4"));
bBitsOk = false;
bRet = false;
}
if (Reserved != 0)
{
v.Error(T.PCLT_Style, E.PCLT_E_Style_Reserved, m_tag, "0x" + Style.ToString("x4"));
bBitsOk = false;
bRet = false;
}
if (bBitsOk)
{
v.Pass(T.PCLT_Style, P.PCLT_P_Style, m_tag);
}
}
if (v.PerformTest(T.PCLT_StrokeWeight))
{
if (StrokeWeight >= -7 && StrokeWeight <= 7)
{
v.Pass(T.PCLT_StrokeWeight, P.PCLT_P_StrokeWeight, m_tag, StrokeWeight.ToString());
}
else
{
v.Error(T.PCLT_StrokeWeight, E.PCLT_E_StrokeWeight, m_tag, StrokeWeight.ToString());
bRet = false;
}
}
if (v.PerformTest(T.PCLT_WidthType))
{
if (WidthType >= -5 && WidthType <= 5)
{
v.Pass(T.PCLT_WidthType, P.PCLT_P_WidthType, m_tag, WidthType.ToString());
}
else
{
v.Error(T.PCLT_WidthType, E.PCLT_E_WidthType, m_tag, WidthType.ToString());
bRet = false;
}
}
if (v.PerformTest(T.PCLT_SerifStyle))
{
uint bot6 = (uint)SerifStyle & 0x3f;
uint top2 = (uint)SerifStyle >> 6;
bool bBitsOk = true;
if (bot6 > 12)
{
v.Error(T.PCLT_SerifStyle, E.PCLT_E_Bottom6, m_tag, "0x" + SerifStyle.ToString("x2"));
bBitsOk = false;
bRet = false;
}
if (top2 == 0 || top2 == 3)
{
v.Error(T.PCLT_SerifStyle, E.PCLT_E_Top2, m_tag);
bBitsOk = false;
bRet = false;
}
if (bBitsOk)
{
v.Pass(T.PCLT_SerifStyle, P.PCLT_P_SerifStyle, m_tag);
}
}
if (v.PerformTest(T.PCLT_Reserved))
{
if (Reserved == 0)
{
v.Pass(T.PCLT_Reserved, P.PCLT_P_Reserved, m_tag);
}
else
{
v.Error(T.PCLT_Reserved, E.PCLT_E_Reserved, m_tag, Reserved.ToString());
bRet = false;
}
}
return(bRet);
}
public bool Validate(Validator v, string sIdentity, OTTable table)
{
bool bRet = true;
bool bFeatureListOk = true;
// check the FeatureRecord array length
if (m_offsetFeatureListTable + (uint)FieldOffsets.FeatureRecordArray + FeatureCount*6 > m_bufTable.GetLength())
{
v.Error(T.T_NULL, E._OTL_FeatureListTable_E_FeatureRecordArray_pastEOT, table.m_tag, sIdentity);
bFeatureListOk = false;
bRet = false;
}
// check that the FeatureRecord array is sorted alphabetically
if (FeatureCount > 1)
{
for (uint i=0; i<FeatureCount-1; i++)
{
FeatureRecord frCurr = GetFeatureRecord(i);
FeatureRecord frNext = GetFeatureRecord(i+1);
if (frCurr.FeatureTag > frNext.FeatureTag)
{
v.Error(T.T_NULL, E._OTL_FeatureListTable_E_FeatureRecordArray_order, table.m_tag, sIdentity);
bFeatureListOk = false;
bRet = false;
break;
}
}
}
// check each FeatureRecord
for (uint i=0; i<FeatureCount; i++)
{
FeatureRecord fr = GetFeatureRecord(i);
if (fr != null)
{
// check tag
if (!fr.FeatureTag.IsValid())
{
v.Error(T.T_NULL, E._OTL_FeatureListTable_E_FeatureRecord_tag, table.m_tag, sIdentity + ", FeatureRecord[" + i + "]");
bFeatureListOk = false;
bRet = false;
}
else if (!IsKnownFeatureTag(fr.FeatureTag))
{
v.Warning(T.T_NULL, W._OTL_FeatureListTable_W_FeatureRecord_tag, table.m_tag, sIdentity + ", FeatureRecord[" + i + "], tag = '" + fr.FeatureTag + "'");
}
// check offset
if (m_offsetFeatureListTable + fr.FeatureTableOffset > m_bufTable.GetLength())
{
v.Error(T.T_NULL, E._OTL_FeatureListTable_E_FeatureRecord_offset, table.m_tag, sIdentity + ", FeatureRecord[" + i + "]");
bFeatureListOk = false;
bRet = false;
}
else
{
// validate the feature table
FeatureTable_val ft = GetFeatureTable_val(fr);
bRet &= ft.Validate(v, sIdentity + ", FeatureRecord[" + i + "]" + "(" + (string)fr.FeatureTag + ")" + ", FeatureTable", table);
}
}
else
{
bFeatureListOk = false;
bRet = false;
}
}
if (bFeatureListOk)
{
v.Pass(T.T_NULL, P._OTL_FeatureListTable_P_valid, table.m_tag, sIdentity);
}
return bRet;
}
/************************
* public methods
*/
public bool Validate(Validator v, OTFontVal fontOwner)
{
bool bRet = true;
ushort numGlyphs = GetNumGlyphs(fontOwner);
if (v.PerformTest(T.hdmx_Version))
{
if (TableVersionNumber == 0)
{
v.Pass(T.hdmx_Version, P.hdmx_P_Version, m_tag);
}
else
{
v.Error(T.hdmx_Version, E.hdmx_E_Version, m_tag, TableVersionNumber.ToString());
bRet = false;
}
}
bool bNumDeviceRecordsOk = true;
if (v.PerformTest(T.hdmx_NumDeviceRecords))
{
if (NumberDeviceRecords >= 0)
{
v.Pass(T.hdmx_NumDeviceRecords, P.hdmx_P_NumDeviceRecords, m_tag, NumberDeviceRecords.ToString());
}
else
{
v.Error(T.hdmx_NumDeviceRecords, E.hdmx_E_NumDeviceRecords_neg, m_tag, NumberDeviceRecords.ToString());
bNumDeviceRecordsOk = false;
bRet = false;
}
}
bool bSizeOk = true;
if (v.PerformTest(T.hdmx_SizeofDeviceRecord))
{
if ((SizeofDeviceRecord & 3) != 0)
{
v.Error(T.hdmx_SizeofDeviceRecord, E.hdmx_E_SizeofDeviceRecord_alignment, m_tag, SizeofDeviceRecord.ToString());
bSizeOk = false;
bRet = false;
}
uint CalculatedSizeofDeviceRecord = CalculateSizeofDeviceRecord(numGlyphs);
if (SizeofDeviceRecord != CalculatedSizeofDeviceRecord)
{
string s = "actual = " + SizeofDeviceRecord + ", calc = " + CalculatedSizeofDeviceRecord;
v.Error(T.hdmx_SizeofDeviceRecord, E.hdmx_E_SizeofDeviceRecord_numGlyphs, m_tag, s);
bSizeOk = false;
bRet = false;
}
if (bSizeOk)
{
v.Pass(T.hdmx_SizeofDeviceRecord, P.hdmx_P_SizeofDeviceRecord, m_tag, SizeofDeviceRecord.ToString());
}
}
bool bLengthOk = true;
if (v.PerformTest(T.hdmx_TableLength))
{
if (bNumDeviceRecordsOk)
{
uint CalculatedTableLength = 8 + (uint)NumberDeviceRecords * CalculateSizeofDeviceRecord(numGlyphs);
if (GetLength() == CalculatedTableLength)
{
v.Pass(T.hdmx_TableLength, P.hdmx_P_TableLength, m_tag);
}
else
{
string s = "actual: " + GetLength() + ", calc: " + CalculatedTableLength;
v.Error(T.hdmx_TableLength, E.hdmx_E_TableLength, m_tag, s);
bLengthOk = false;
bRet = false;
}
}
else
{
v.Warning(T.hdmx_TableLength, W._TEST_W_OtherErrorsInTable, m_tag, "unable to validate table length");
}
}
if (v.PerformTest(T.hdmx_DeviceRecordPadBytesZero))
{
if (bSizeOk && bLengthOk & bNumDeviceRecordsOk)
{
uint unpaddedLength = (uint)numGlyphs + 2;
if ((unpaddedLength & 3) == 0)
{
v.Pass(T.hdmx_DeviceRecordPadBytesZero, P.hdmx_P_DeviceRecordPadBytes_none, m_tag);
}
else
{
bool bPadOk = true;
if (NumberDeviceRecords > 1)
{
for (uint i = 0; i < NumberDeviceRecords; i++)
{
DeviceRecord dr = GetDeviceRecord(i, numGlyphs);
for (uint j = 0; j < dr.GetNumPadBytes(); j++)
{
if (dr.GetPadByte(j) != 0)
{
bPadOk = false;
break;
}
}
}
}
if (bPadOk)
{
v.Pass(T.hdmx_DeviceRecordPadBytesZero, P.hdmx_P_DeviceRecordPadBytes_zero, m_tag);
}
else
{
v.Error(T.hdmx_DeviceRecordPadBytesZero, E.hdmx_E_DeviceRecordPadBytes_nonzero, m_tag);
bRet = false;
}
}
}
else
{
v.Warning(T.hdmx_DeviceRecordPadBytesZero, W._TEST_W_OtherErrorsInTable, m_tag, "unable to validate that device record padding bytes are zero");
}
}
if (v.PerformTest(T.hdmx_SortedOrder))
{
if (bSizeOk && bLengthOk && bNumDeviceRecordsOk)
{
bool bSortOk = true;
if (NumberDeviceRecords > 1)
{
DeviceRecord drCurr = GetDeviceRecord(0, numGlyphs);
DeviceRecord drNext = null;
for (uint i = 1; i < NumberDeviceRecords; i++)
{
drNext = GetDeviceRecord(i, numGlyphs);
if (drCurr.PixelSize >= drNext.PixelSize)
{
bSortOk = false;
break;
}
drCurr = drNext;
}
}
if (bSortOk)
{
v.Pass(T.hdmx_SortedOrder, P.hdmx_P_SortedOrder, m_tag);
}
else
{
v.Error(T.hdmx_SortedOrder, E.hdmx_E_SortedOrder, m_tag);
bRet = false;
}
}
else
{
v.Warning(T.hdmx_SortedOrder, W._TEST_W_OtherErrorsInTable, m_tag, "unable to validate that device records are in sorted order");
}
}
if (v.PerformTest(T.hdmx_DuplicateDeviceRecords))
{
if (bSizeOk && bLengthOk && bNumDeviceRecordsOk)
{
bool bNoDup = true;
if (NumberDeviceRecords > 1)
{
for (uint i = 0; i < NumberDeviceRecords - 1; i++)
{
DeviceRecord dr1 = GetDeviceRecord(i, numGlyphs);
for (uint j = i + 1; j < NumberDeviceRecords; j++)
{
DeviceRecord dr2 = GetDeviceRecord(j, numGlyphs);
if (dr1.PixelSize == dr2.PixelSize)
{
bNoDup = false;
break;
}
}
}
}
if (bNoDup)
{
v.Pass(T.hdmx_DuplicateDeviceRecords, P.hdmx_P_DuplicateDeviceRecords, m_tag);
}
else
{
v.Error(T.hdmx_DuplicateDeviceRecords, E.hdmx_E_DuplicateDeviceRecords, m_tag);
bRet = false;
}
}
else
{
v.Warning(T.hdmx_DuplicateDeviceRecords, W._TEST_W_OtherErrorsInTable, m_tag, "unable to validate that there are no duplicate device records");
}
}
if (v.PerformTest(T.hdmx_Widths))
{
if (bSizeOk && bLengthOk && bNumDeviceRecordsOk)
{
bool bWidthsOk = true;
RasterInterf.DevMetricsData dmd = null;
try
{
dmd = fontOwner.GetCalculatedDevMetrics();
}
catch (Exception e)
{
v.ApplicationError(T.VDMX_CompareToCalcData, E._Table_E_Exception, m_tag, e.Message);
bRet = false;
}
if (dmd != null)
{
for (uint i = 0; i < NumberDeviceRecords; i++)
{
DeviceRecord dr = GetDeviceRecord(i, numGlyphs);
for (uint iGlyph = 0; iGlyph < numGlyphs; iGlyph++)
{
if (dr.GetWidth(iGlyph) != dmd.hdmxData.Records[i].Widths[iGlyph])
{
String sDetails = "rec " + i + ", PixelSize " + dr.PixelSize + ", glyph# " + iGlyph
+ ", width = " + dr.GetWidth(iGlyph) + ", calc = " + dmd.hdmxData.Records[i].Widths[iGlyph];
v.Error(T.hdmx_Widths, E.hdmx_E_Widths, m_tag, sDetails);
bWidthsOk = false;
bRet = false;
}
}
}
if (bWidthsOk)
{
v.Pass(T.hdmx_Widths, P.hdmx_P_Widths, m_tag);
}
}
else
{
// if user didn't cancel, then check for error message
if (!v.CancelFlag)
{
String sDetails = null;
try
{
sDetails = fontOwner.GetDevMetricsDataError();
}
catch (Exception e)
{
v.ApplicationError(T.VDMX_CompareToCalcData, E._Table_E_Exception, m_tag, e.Message);
}
Debug.Assert(sDetails != null);
v.Error(T.hdmx_Widths, E.hdmx_E_Rasterizer, m_tag, sDetails);
bRet = false;
}
}
}
else
{
v.Warning(T.hdmx_Widths, W._TEST_W_OtherErrorsInTable, m_tag, "unable to validate that the widths are correct");
}
}
return(bRet);
}
public bool Validate(Validator v, string sIdentity, OTTable table)
{
bool bRet = true;
// check StartSize for unreasonable values
if (StartSize > 16384)
{
v.Warning(T.T_NULL, W._OTL_DeviceTable_W_StartSize, table.m_tag, sIdentity + ", StartSize = " + StartSize);
}
// check EndSize for unreasonable values
if (EndSize > 16384)
{
v.Warning(T.T_NULL, W._OTL_DeviceTable_W_EndSize, table.m_tag, sIdentity + ", EndSize = " + EndSize);
}
// check that StartSize <= EndSize
if (StartSize > EndSize)
{
v.Error(T.T_NULL, E._OTL_DeviceTable_E_sizes, table.m_tag, sIdentity);
bRet = false;
}
// check DeltaFormat is 1, 2, or 3
if (DeltaFormat < 1 || DeltaFormat > 3)
{
v.Error(T.T_NULL, E._OTL_DeviceTable_E_DeltaFormat, table.m_tag, sIdentity + ", DeltaFormat = " + DeltaFormat);
bRet = false;
}
else
{
// check that DeltaValue array doesn't extend past the end of the table
int nSizes = EndSize - StartSize + 1;
int nValuesPerUint = 16 >> DeltaFormat;
int nUints = nSizes / nValuesPerUint;
if (nSizes % nValuesPerUint != 0) nUints++;
if (m_offsetDeviceTable + (uint)FieldOffsets.DeltaValueArray + nUints > m_bufTable.GetLength())
{
v.Error(T.T_NULL, E._OTL_DeviceTable_E_DeltaValueArray_pastEOT, table.m_tag, sIdentity);
bRet = false;
}
}
// way too many device tables to justify this pass message
//if (bRet)
//{
// v.Pass("_OTL_DeviceTable_P_valid", table.m_tag, sIdentity);
//}
return bRet;
}
/************************
* public methods
*/
public bool Validate(Validator v, OTFontVal fontOwner)
{
bool bRet = true;
if (v.PerformTest(T.DSIG_Formats))
{
bool bFormatsOk = true;
for (uint i=0; i<usNumSigs; i++)
{
SigFormatOffset sfo;
try
{
sfo = GetSigFormatOffset(i);
if (sfo.ulFormat != 1)
{
v.Error(T.DSIG_Formats, E.DSIG_E_Formats, m_tag, "block " + i + ", format = " + sfo.ulFormat);
bFormatsOk = false;
bRet = false;
}
}
catch (IndexOutOfRangeException e)
{
v.Error(T.DSIG_Formats, E.DSIG_E_Formats, m_tag, "block " + i + ", " + e);
bFormatsOk = false;
bRet = false;
break; // No point continuing
}
}
if (bFormatsOk)
{
v.Pass(T.DSIG_Formats, P.DSIG_P_Formats, m_tag);
}
}
if (v.PerformTest(T.DSIG_Reserved))
{
bool bReservedOk = true;
for (uint i=0; i<usNumSigs; i++)
{
SignatureBlock sb;
try
{
sb = GetSignatureBlock(i);
if (sb.usReserved1 != 0 || sb.usReserved2 != 0)
{
v.Error(T.DSIG_Reserved, E.DSIG_E_Reserved, m_tag, "block " + i);
bReservedOk = false;
bRet = false;
}
}
catch (IndexOutOfRangeException)
{
v.Error(T.DSIG_Reserved, E.DSIG_E_Reserved, m_tag, "block " + i);
bReservedOk = false;
bRet = false;
break; // No point continuing
}
}
if (bReservedOk)
{
v.Pass(T.DSIG_Reserved, P.DSIG_P_Reserved, m_tag);
}
}
if (v.PerformTest(T.DSIG_VerifySignature))
{
OTFile file = fontOwner.GetFile();
System.IO.FileStream fs = file.GetFileStream();
String sFilename = fs.Name;
try {
WinVerifyTrustWrapper wvt = new WinVerifyTrustWrapper();
if (wvt.WinVerifyTrustFile(sFilename))
{
if (wvt.usNumSigs > 0)
{
if (wvt.Warn_TTCv1 || wvt.Warn_DSIG_in_memFonts)
v.Warning(T.DSIG_VerifySignature, W.DSIG_W_VerifySignature_Generic, m_tag,
( wvt.Warn_TTCv1 ? "TTC with v1 header;":"")
+ (wvt.Warn_DSIG_in_memFonts ? "DSIG tables detected in member fonts;":"") );
v.Pass(T.DSIG_VerifySignature, P.DSIG_P_VerifySignature, m_tag,
wvt.Signer);
}
else
v.Pass(T.DSIG_VerifySignature, P.DSIG_P_VerifySignature, m_tag);
}
else
{
v.Error(T.DSIG_VerifySignature, E.DSIG_E_VerifySignature, m_tag);
bRet = false;
}
}
catch (Exception e)
{
v.Error(T.DSIG_VerifySignature, E.DSIG_E_VerifySignature, m_tag, e.Message);
bRet = false;
}
}
return bRet;
}
/************************
* public methods
*/
public bool Validate(Validator v, OTFontVal fontOwner)
{
bool bRet = true;
if (v.PerformTest(T.name_FormatSelector))
{
if (FormatSelector == 0)
{
v.Pass(T.name_FormatSelector, P.name_P_FormatSelector, m_tag);
}
else
{
v.Error(T.name_FormatSelector, E.name_E_FormatSelector, m_tag, FormatSelector.ToString());
bRet = false;
}
}
if (v.PerformTest(T.name_StringsWithinTable))
{
bool bStringsWithinTable = true;
uint tableLength = GetLength();
for (uint i = 0; i < NumberNameRecords; i++)
{
NameRecord nr = GetNameRecord(i);
if (nr != null)
{
if (nr.StringOffset + nr.StringLength > tableLength)
{
v.Error(T.name_StringsWithinTable, E.name_E_StringsWithinTable, m_tag, "string# " + i);
bStringsWithinTable = false;
bRet = false;
}
}
else
{
v.Warning(T.name_StringsWithinTable, W._TEST_W_OtherErrorsInTable, m_tag);
bStringsWithinTable = false;
break;
}
}
if (bStringsWithinTable)
{
v.Pass(T.name_StringsWithinTable, P.name_P_StringsWithinTable, m_tag);
}
}
if (v.PerformTest(T.name_NameRecordsSorted))
{
bool bSortedOrder = true;
if (NumberNameRecords > 1)
{
NameRecord CurrNR = GetNameRecord(0);
NameRecord NextNR = null;
for (uint i = 0; i < NumberNameRecords - 1; i++)
{
NextNR = GetNameRecord(i + 1);
if (CurrNR == null || NextNR == null)
{
bSortedOrder = false;
break;
}
if (CurrNR.PlatformID > NextNR.PlatformID)
{
bSortedOrder = false;
break;
}
else if (CurrNR.PlatformID == NextNR.PlatformID)
{
if (CurrNR.EncodingID > NextNR.EncodingID)
{
bSortedOrder = false;
break;
}
else if (CurrNR.EncodingID == NextNR.EncodingID)
{
if (CurrNR.LanguageID > NextNR.LanguageID)
{
bSortedOrder = false;
break;
}
else if (CurrNR.LanguageID == NextNR.LanguageID)
{
if (CurrNR.NameID > NextNR.NameID)
{
bSortedOrder = false;
break;
}
}
}
}
CurrNR = NextNR;
}
}
if (bSortedOrder)
{
v.Pass(T.name_NameRecordsSorted, P.name_P_NameRecordsSorted, m_tag);
}
else
{
v.Error(T.name_NameRecordsSorted, E.name_E_NameRecordsSorted, m_tag);
bRet = false;
}
}
if (v.PerformTest(T.name_ReservedNameIDs))
{
bool bReservedOk = true;
for (uint i = 0; i < NumberNameRecords; i++)
{
NameRecord nr = GetNameRecord(i);
if (nr != null)
{
if (nr.NameID >= 26 && nr.NameID <= 255)
{
string s = "platID = " + nr.PlatformID
+ ", encID = " + nr.EncodingID
+ ", langID = " + nr.LanguageID
+ ", nameID = " + nr.NameID;
v.Error(T.name_ReservedNameIDs, E.name_E_ReservedNameID, m_tag, s);
bReservedOk = false;
break;
}
}
else
{
v.Warning(T.name_ReservedNameIDs, W._TEST_W_OtherErrorsInTable, m_tag);
bReservedOk = false;
break;
}
}
if (bReservedOk)
{
v.Pass(T.name_ReservedNameIDs, P.name_P_ReservedNameID, m_tag);
}
}
if (v.PerformTest(T.name_BothPlatforms))
{
bool bMac = false;
bool bMS = false;
for (uint i = 0; i < NumberNameRecords; i++)
{
NameRecord nr = GetNameRecord(i);
if (nr != null)
{
if (nr.PlatformID == 1)
{
bMac = true;
}
else if (nr.PlatformID == 3)
{
bMS = true;
}
}
}
if (bMac && bMS)
{
v.Pass(T.name_BothPlatforms, P.name_P_BothPlatforms, m_tag);
}
else if (!bMac)
{
v.Error(T.name_BothPlatforms, E.name_E_NoMacPlatform, m_tag);
bRet = false;
}
else if (!bMS)
{
v.Error(T.name_BothPlatforms, E.name_E_NoMSPlatform, m_tag);
bRet = false;
}
}
if (v.PerformTest(T.name_VersionString))
{
bool bFound = false;
string sVersion = "";
for (uint i = 0; i < NumberNameRecords; i++)
{
NameRecord nr = GetNameRecord(i);
if (nr != null)
{
if (nr.PlatformID == 3 && // ms
(nr.EncodingID == 1 /* unicode */ || nr.EncodingID == 0 /*symbol*/) &&
nr.NameID == 5) // version string
{
bFound = true;
bool bVerStringValid = false;
byte [] buf = GetEncodedString(nr);
string s = "";
if (buf != null)
{
sVersion = "";
for (int j = 0; j < buf.Length / 2; j++)
{
char c = (char)(ushort)(buf[j * 2] << 8 | buf[j * 2 + 1]);
sVersion += c;
}
if (sVersion.Length >= 11 &&
sVersion.StartsWith("Version ") &&
Char.IsDigit(sVersion, 8))
{
int j = 9;
// advance past the digits in the major number
while (j < sVersion.Length)
{
if (Char.IsDigit(sVersion, j))
{
j++;
}
else
{
break;
}
}
// if major number is followed by a period
if (sVersion[j] == '.')
{
// advance past the period
j++;
// check for a digit
if (Char.IsDigit(sVersion, j))
{
bVerStringValid = true;
}
}
}
}
s = "platID = " + nr.PlatformID
+ ", encID = " + nr.EncodingID
+ ", langID = " + nr.LanguageID
+ ", \"" + sVersion + "\"";
if (bVerStringValid)
{
v.Pass(T.name_VersionString, P.name_P_VersionStringFormat, m_tag, s);
}
else
{
v.Error(T.name_VersionString, E.name_E_VersionStringFormat, m_tag, s);
bRet = false;
}
// compare to mac version string if present
string sMacVer = GetString(1, 0, 0xffff, 5);
if (sMacVer != null)
{
if (sVersion.CompareTo(sMacVer) != 0)
{
v.Warning(T.name_VersionString, W.name_W_VersionMismatch_MS_MAC, m_tag);
}
}
// compare to 3,10 version string if present
string s310Ver = GetString(3, 10, nr.LanguageID, 5);
if (s310Ver != null)
{
if (sVersion.CompareTo(s310Ver) != 0)
{
string s310 = "platID = 3, encID = 10, langID = " + nr.LanguageID
+ ", \"" + s310Ver + "\"";
v.Warning(T.name_VersionString, W.name_W_VersionMismatch_3_1_3_10, m_tag, s + " / " + s310);
}
}
}
}
}
if (!bFound)
{
v.Error(T.name_VersionString, E.name_E_VersionStringNotFound, m_tag);
bRet = false;
}
}
if (v.PerformTest(T.name_PlatformSpecificEncoding))
{
bool bIDsOk = true;
for (uint i = 0; i < NumberNameRecords; i++)
{
NameRecord nr = GetNameRecord(i);
if (nr != null)
{
if (nr.PlatformID == 0) // unicode
{
if (nr.EncodingID > 7)
{
string s = "platID = " + nr.PlatformID
+ ", encID = " + nr.EncodingID
+ ", langID = " + nr.LanguageID
+ ", nameID = " + nr.NameID;
v.Error(T.name_PlatformSpecificEncoding, E.name_E_PlatformSpecificEncoding, m_tag, s);
bIDsOk = false;
bRet = false;
}
}
else if (nr.PlatformID == 1) // mac
{
if (nr.EncodingID > 32)
{
string s = "platID = " + nr.PlatformID
+ ", encID = " + nr.EncodingID
+ ", langID = " + nr.LanguageID
+ ", nameID = " + nr.NameID;
v.Error(T.name_PlatformSpecificEncoding, E.name_E_PlatformSpecificEncoding, m_tag, s);
bIDsOk = false;
bRet = false;
}
}
else if (nr.PlatformID == 2) // iso
{
if (nr.EncodingID > 2)
{
string s = "platID = " + nr.PlatformID
+ ", encID = " + nr.EncodingID
+ ", langID = " + nr.LanguageID
+ ", nameID = " + nr.NameID;
v.Error(T.name_PlatformSpecificEncoding, E.name_E_PlatformSpecificEncoding, m_tag, s);
bIDsOk = false;
bRet = false;
}
}
else if (nr.PlatformID == 3) // MS
{
if (nr.EncodingID > 10)
{
string s = "platID = " + nr.PlatformID
+ ", encID = " + nr.EncodingID
+ ", langID = " + nr.LanguageID
+ ", nameID = " + nr.NameID;
v.Error(T.name_PlatformSpecificEncoding, E.name_E_PlatformSpecificEncoding, m_tag, s);
bIDsOk = false;
bRet = false;
}
}
/*
* else if (nr.PlatformID == 4) // Custom
* {
* }
*/
}
else
{
v.Warning(T.name_PlatformSpecificEncoding, W._TEST_W_OtherErrorsInTable, m_tag);
bIDsOk = false;
break;
}
}
if (bIDsOk)
{
v.Pass(T.name_PlatformSpecificEncoding, P.name_P_PlatformSpecificEncoding, m_tag);
}
}
if (v.PerformTest(T.name_MSLanguageIDs))
{
bool bFound = false;
bool bIDsOk = true;
ushort [] MSLangIDs = // taken from Q224804
{
0x0401, 0x0402, 0x0403, 0x0404, 0x0405, 0x0406, 0x0407, 0x0408, 0x0409,
0x040a, 0x040b, 0x040c, 0x040D, 0x040e, 0x040F, 0x0410, 0x0411, 0x0412,
0x0413, 0x0414, 0x0415, 0x0416, 0x0417, 0x0418, 0x0419, 0x041a, 0x041b,
0x041c, 0x041D, 0x041E, 0x041f, 0x0420, 0x0421, 0x0422, 0x0423, 0x0424,
0x0425, 0x0426, 0x0427, 0x0429, 0x042a, 0x042b, 0x042c, 0x042D, 0x042e,
0x042f, 0x0430, 0x0431, 0x0432, 0x0433, 0x0434, 0x0435, 0x0436, 0x0437,
0x0438, 0x0439, 0x043b, 0x043d, 0x043e, 0x043f, 0x0441, 0x0443, 0x0444,
0x0445, 0x0446, 0x0447, 0x0448, 0x0449, 0x044a, 0x044b, 0x044c, 0x044d,
0x044e, 0x044f, 0x0457, 0x0459, 0x0461, 0x0801, 0x0804, 0x0807, 0x0809,
0x080a, 0x080c, 0x0810, 0x0812, 0x0813, 0x0814, 0x0816, 0x0818, 0x0819,
0x081a, 0x081d, 0x0820, 0x0827, 0x082c, 0x083e, 0x0843, 0x0860, 0x0861,
0x0C01, 0x0C04, 0x0c07, 0x0c09, 0x0c0a, 0x0c0c, 0x0c1a, 0x1001, 0x1004,
0x1007, 0x1009, 0x100a, 0x100c, 0x1401, 0x1404, 0x1407, 0x1409, 0x140a,
0x140c, 0x1801, 0x1809, 0x180a, 0x180c, 0x1C01, 0x1c09, 0x1c0a, 0x2001,
0x2009, 0x200a, 0x2401, 0x2409, 0x240a, 0x2801, 0x2809, 0x280a, 0x2C01,
0x2c09, 0x2c0a, 0x3001, 0x3009, 0x300a, 0x3401, 0x3409, 0x340a, 0x3801,
0x380a, 0x3C01, 0x3c0a, 0x4001, 0x400a, 0x440a, 0x480a, 0x4c0a, 0x500a
};
for (uint i = 0; i < NumberNameRecords; i++)
{
NameRecord nr = GetNameRecord(i);
if (nr != null)
{
if (nr.PlatformID == 3 && nr.EncodingID == 1)
{
bFound = true;
bool bValidID = false;
for (uint j = 0; j < MSLangIDs.Length; j++)
{
if (nr.LanguageID == MSLangIDs[j])
{
bValidID = true;
break;
}
}
if (!bValidID)
{
string s = "platID = " + nr.PlatformID
+ ", encID = " + nr.EncodingID
+ ", langID = 0x" + nr.LanguageID.ToString("x4")
+ ", nameID = " + nr.NameID;
v.Error(T.name_MSLanguageIDs, E.name_E_MSLanguageID, m_tag, s);
bIDsOk = false;
bRet = false;
}
}
}
}
if (bFound && bIDsOk)
{
v.Pass(T.name_MSLanguageIDs, P.name_P_MSLanguageID, m_tag);
}
}
if (v.PerformTest(T.name_unicode_length))
{
bool bLengthsOk = true;
for (uint i = 0; i < NumberNameRecords; i++)
{
NameRecord nr = GetNameRecord(i);
if (nr != null)
{
if (nr.PlatformID == 0 || nr.PlatformID == 2 || // unicode or iso platform
(nr.PlatformID == 3 && nr.EncodingID == 1)) // microsoft platform, unicode encoding
{
if ((nr.StringLength & 1) == 1)
{
string s = "platID = " + nr.PlatformID
+ ", encID = " + nr.EncodingID
+ ", langID = " + nr.LanguageID
+ ", nameID = " + nr.NameID
+ ", length = " + nr.StringLength;
v.Error(T.name_unicode_length, E.name_E_UnicodeLength, m_tag, s);
bLengthsOk = false;
bRet = false;
}
}
}
else
{
v.Warning(T.name_unicode_length, W._TEST_W_OtherErrorsInTable, m_tag);
bLengthsOk = false;
break;
}
}
if (bLengthsOk)
{
v.Pass(T.name_unicode_length, P.name_P_UnicodeLength, m_tag);
}
}
if (v.PerformTest(T.name_Postscript))
{
bool bPostscriptOk = true;
string sPostscriptMac = GetString(1, 0, 0, 6);
if (sPostscriptMac != null)
{
if (sPostscriptMac.Length > 63)
{
v.Error(T.name_Postscript, E.name_E_Postscript_length, m_tag, "name string (1, 0, 0, 6) is " + sPostscriptMac.Length + " characters long");
bRet = false;
bPostscriptOk = false;
}
for (int i = 0; i < sPostscriptMac.Length; i++)
{
char c = sPostscriptMac[i];
if (c < 33 || c > 126 || c == '[' || c == ']' || c == '(' || c == ')' || c == '{' || c == '}' || c == '<' || c == '>' || c == '/' || c == '%')
{
v.Error(T.name_Postscript, E.name_E_Postscript_chars, m_tag, "name string (1, 0, 0, 6) contains an illegal character at index " + i);
bRet = false;
bPostscriptOk = false;
}
}
}
ushort nEncoding = 1;
if (fontOwner.ContainsMsSymbolEncodedCmap())
{
nEncoding = 0;
}
string sPostscriptMS = GetString(3, nEncoding, 0x409, 6); // ms
if (sPostscriptMS != null)
{
if (sPostscriptMS.Length > 63)
{
v.Error(T.name_Postscript, E.name_E_Postscript_length, m_tag, "name string (3, " + nEncoding + ", 0x409, 6) is " + sPostscriptMS.Length + " characters long");
bRet = false;
bPostscriptOk = false;
}
for (int i = 0; i < sPostscriptMS.Length; i++)
{
char c = sPostscriptMS[i];
if (c < 33 || c > 126 || c == '[' || c == ']' || c == '(' || c == ')' || c == '{' || c == '}' || c == '<' || c == '>' || c == '/' || c == '%')
{
v.Error(T.name_Postscript, E.name_E_Postscript_chars, m_tag, "name string (3, " + nEncoding + ", 0x409, 6) contains an illegal character at index " + i);
bRet = false;
bPostscriptOk = false;
}
}
}
if (sPostscriptMac == null && sPostscriptMS != null)
{
v.Error(T.name_Postscript, E.name_E_Postscript_missing, m_tag, "Mac Postscript string is missing, but MS Postscript string is present");
bRet = false;
bPostscriptOk = false;
}
else if (sPostscriptMac != null && sPostscriptMS == null)
{
v.Error(T.name_Postscript, E.name_E_Postscript_missing, m_tag, "MS Postscript string is missing, but Mac Postscript string is present");
bRet = false;
bPostscriptOk = false;
}
if (sPostscriptMac != null && sPostscriptMS != null)
{
if (sPostscriptMac != sPostscriptMS)
{
v.Error(T.name_Postscript, E.name_E_Postscript_unequal, m_tag, "mac postscript = " + sPostscriptMac + ", MS postscript = " + sPostscriptMS);
bRet = false;
bPostscriptOk = false;
}
}
if (sPostscriptMac != null && sPostscriptMS != null && bPostscriptOk)
{
v.Pass(T.name_Postscript, P.name_P_Postscript, m_tag);
}
}
if (v.PerformTest(T.name_Subfamily))
{
string sStyle = GetStyleString();
if (sStyle != null)
{
Table_OS2 OS2Table = (Table_OS2)fontOwner.GetTable("OS/2");
if (OS2Table != null)
{
bool bStyleOk = true;
string sStyleDetails = "";
string s = sStyle.ToLower();
bool bItalic = ((OS2Table.fsSelection & 0x01) != 0);
bool bBold = ((OS2Table.fsSelection & 0x20) != 0);
if (bItalic)
{
if (s.IndexOf("italic") == -1 && s.IndexOf("oblique") == -1)
{
bStyleOk = false;
sStyleDetails = "OS/2.fsSelection italic bit is set, but subfamily string = '" + sStyle + "'";
}
}
else
{
if (s.IndexOf("italic") != -1 || s.IndexOf("oblique") != -1)
{
bStyleOk = false;
sStyleDetails = "OS/2.fsSelection italic bit is clear, but subfamily string = '" + sStyle + "'";
}
}
if (bBold)
{
if (s.IndexOf("bold") == -1)
{
bStyleOk = false;
sStyleDetails = "OS/2.fsSelection bold bit is set, but subfamily string = '" + sStyle + "'";
}
}
else
{
if (s.IndexOf("bold") != -1)
{
bStyleOk = false;
sStyleDetails = "OS/2.fsSelection bold bit is clear, but subfamily string = '" + sStyle + "'";
}
}
if (bStyleOk)
{
v.Pass(T.name_Subfamily, P.name_P_subfamily, m_tag);
}
else
{
v.Warning(T.name_Subfamily, W.name_W_subfamily_style, m_tag, sStyleDetails);
}
}
}
}
if (v.PerformTest(T.name_NoFormat14))
{
bool bStringOK = true;
for (uint i = 0; i < NumberNameRecords; i++)
{
NameRecord nr = GetNameRecord(i);
if (nr != null &&
nr.NameID == 19 &&
nr.PlatformID == 0 &&
nr.EncodingID == 5)
{
string sDetails =
"name string(" + nr.PlatformID
+ ", " + nr.EncodingID
+ ", 0x" + nr.LanguageID.ToString("x4")
+ ", " + nr.NameID +
", offset=0x" +
nr.StringOffset.ToString("x4") + ")";
v.Error(T.name_NoFormat14,
E.name_E_NoFormat14,
m_tag,
sDetails);
bRet = false;
bStringOK = false;
}
}
if (bStringOK)
{
string sDetails = "PlatformID=0, EncodingID=5 is for " +
"Variation Sequences (Format 14)";
v.Pass(T.name_NoFormat14, P.name_P_NoFormat14, m_tag,
sDetails);
}
}
if (v.PerformTest(T.name_SampleString))
{
Table_cmap cmapTable = (Table_cmap)fontOwner.GetTable("cmap");
if (cmapTable != null)
{
for (uint i = 0; i < NumberNameRecords; i++)
{
NameRecord nr = GetNameRecord(i);
if (nr != null)
{
if (nr.NameID == 19)
{
if (nr.PlatformID == 0 &&
nr.EncodingID == 5)
{
// Unicode platform encoding ID 5 can be
// used for encodings in the 'cmap' table
// but not for strings in the 'name' table.
// It has already been flagged as an error,
// so we will just skip it here.
break;
}
Table_cmap.Subtable CmapSubTable = cmapTable.GetSubtable(nr.PlatformID, nr.EncodingID);
if (CmapSubTable != null)
{
bool bStringOk = true;
byte[] strbuf = GetEncodedString(nr);
for (uint j = 0; j < strbuf.Length;)
{
if (CmapSubTable.MapCharToGlyph(strbuf, j, true) == 0)
{
string sDetails = "name string(" + nr.PlatformID
+ ", " + nr.EncodingID
+ ", 0x" + nr.LanguageID.ToString("x4")
+ ", " + nr.NameID
+ "), character at index " + j + " is not mapped";
v.Error(T.name_SampleString, E.name_E_sample, m_tag, sDetails);
bStringOk = false;
bRet = false;
break;
}
j += CmapSubTable.BytesInChar(strbuf, j);
}
if (bStringOk)
{
string sDetails = "name string(" + nr.PlatformID
+ ", " + nr.EncodingID
+ ", 0x" + nr.LanguageID.ToString("x4")
+ ", " + nr.NameID
+ ")";
v.Pass(T.name_SampleString, P.name_P_sample, m_tag, sDetails);
}
}
}
}
}
}
}
if (v.PerformTest(T.name_NameID1to6))
{
for (uint id = 1; id <= 6; id++)
{
bool bFound = false;
for (uint i = 0; i < NumberNameRecords; i++)
{
NameRecord nr = GetNameRecord(i);
if (nr != null)
{
if (nr.NameID == id)
{
bFound = true;
break;
}
}
}
if (!bFound)
{
v.Warning(T.name_NameID1to6, W.name_W_ID_1to6_Required_For_Common_OSes, m_tag,
"Missing Name ID " + id);
}
}
}
if (v.PerformTest(T.name_PreferredFamily))
{
bool bFound = false;
for (uint i = 0; i < NumberNameRecords; i++)
{
NameRecord nr = GetNameRecord(i);
if (nr != null)
{
if (nr.NameID == 16)
{
string sPrefFam = this.GetString(nr.PlatformID, nr.EncodingID, nr.LanguageID, 16);
string s = "platID = " + nr.PlatformID
+ ", encID = " + nr.EncodingID
+ ", langID = " + nr.LanguageID
+ ", nameID = " + nr.NameID
+ ", \"" + sPrefFam + "\"";
v.Info(T.name_PreferredFamily, I.name_I_Preferred_family_present, m_tag, s);
bFound = true;
}
}
}
if (!bFound)
{
v.Info(T.name_PreferredFamily, I.name_I_Preferred_family_not_present, m_tag);
}
}
if (v.PerformTest(T.name_PreferredSubfamily))
{
bool bFound = false;
for (uint i = 0; i < NumberNameRecords; i++)
{
NameRecord nr = GetNameRecord(i);
if (nr != null)
{
if (nr.NameID == 17)
{
string sPrefSubfam = this.GetString(nr.PlatformID, nr.EncodingID, nr.LanguageID, 17);
string s = "platID = " + nr.PlatformID
+ ", encID = " + nr.EncodingID
+ ", langID = " + nr.LanguageID
+ ", nameID = " + nr.NameID
+ ", \"" + sPrefSubfam + "\"";
v.Info(T.name_PreferredSubfamily, I.name_I_Preferred_subfamily_present, m_tag, s);
bFound = true;
}
}
}
if (!bFound)
{
v.Info(T.name_PreferredSubfamily, I.name_I_Preferred_subfamily_not_present, m_tag);
}
}
if (v.PerformTest(T.name_CopyrightConsistent))
{
bool bCopyrightOk = true;
// get mac roman English Copyright string if present
string sMac = GetString(1, 0, 0, 0);
// get windows 3,0 English Copyright string if present
string sWin3_0 = GetString(3, 0, 1033, 0);
// get windows 3,1 English Copyright string if present
string sWin3_1 = GetString(3, 1, 1033, 0);
// get windows 3,10 English Copyright string if present
string sWin3_10 = GetString(3, 10, 1033, 0);
// compare strings
if (sMac != null)
{
if (sWin3_0 != null)
{
if (sWin3_0.CompareTo(sMac) != 0)
{
string sDetails = "(1,0,0,0)='" + sMac + "', (3,0,1033,0)='" + sWin3_0 + "'";
v.Warning(T.name_CopyrightConsistent, W.name_W_CopyrightInconsistent, m_tag, sDetails);
bCopyrightOk = false;
}
}
if (sWin3_1 != null)
{
if (sWin3_1.CompareTo(sMac) != 0)
{
string sDetails = "(1,0,0,0)='" + sMac + "', (3,1,1033,0)='" + sWin3_1 + "'";
v.Warning(T.name_CopyrightConsistent, W.name_W_CopyrightInconsistent, m_tag, sDetails);
bCopyrightOk = false;
}
}
if (sWin3_10 != null)
{
if (sWin3_10.CompareTo(sMac) != 0)
{
string sDetails = "(1,0,0,0)='" + sMac + "', (3,10,1033,0)='" + sWin3_10 + "'";
v.Warning(T.name_CopyrightConsistent, W.name_W_CopyrightInconsistent, m_tag, sDetails);
bCopyrightOk = false;
}
}
}
if (sWin3_0 != null)
{
if (sWin3_1 != null)
{
if (sWin3_1.CompareTo(sWin3_0) != 0)
{
string sDetails = "(3,0,1033,0)='" + sWin3_0 + "', (3,1,1033,0)='" + sWin3_1 + "'";
v.Warning(T.name_CopyrightConsistent, W.name_W_CopyrightInconsistent, m_tag, sDetails);
bCopyrightOk = false;
}
}
if (sWin3_10 != null)
{
if (sWin3_10.CompareTo(sWin3_0) != 0)
{
string sDetails = "(3,0,1033,0)='" + sWin3_0 + "', (3,10,1033,0)='" + sWin3_10 + "'";
v.Warning(T.name_CopyrightConsistent, W.name_W_CopyrightInconsistent, m_tag, sDetails);
bCopyrightOk = false;
}
}
}
if (sWin3_1 != null)
{
if (sWin3_10 != null)
{
if (sWin3_10.CompareTo(sWin3_1) != 0)
{
string sDetails = "(3,1,1033,0)='" + sWin3_1 + "', (3,10,1033,0)='" + sWin3_10 + "'";
v.Warning(T.name_CopyrightConsistent, W.name_W_CopyrightInconsistent, m_tag, sDetails);
bCopyrightOk = false;
}
}
}
if (bCopyrightOk)
{
v.Pass(T.name_CopyrightConsistent, P.name_P_CopyrightConsistent, m_tag);
}
else
{
//bRet = false;
}
}
if (v.PerformTest(T.name_TrademarkConsistent))
{
bool bTrademarkOk = true;
// get mac roman English Trademark string if present
string sMac = GetString(1, 0, 0, 7);
// get windows 3,0 English Trademark string if present
string sWin3_0 = GetString(3, 0, 1033, 7);
// get windows 3,1 English Trademark string if present
string sWin3_1 = GetString(3, 1, 1033, 7);
// get windows 3,10 English Trademark string if present
string sWin3_10 = GetString(3, 10, 1033, 7);
// compare strings
if (sMac != null)
{
if (sWin3_0 != null)
{
if (sWin3_0.CompareTo(sMac) != 0)
{
string sDetails = "(1,0,0,7)='" + sMac + "', (3,0,1033,7)='" + sWin3_0 + "'";
v.Warning(T.name_TrademarkConsistent, W.name_W_TrademarkInconsistent, m_tag, sDetails);
bTrademarkOk = false;
}
}
if (sWin3_1 != null)
{
if (sWin3_1.CompareTo(sMac) != 0)
{
string sDetails = "(1,0,0,7)='" + sMac + "', (3,1,1033,7)='" + sWin3_1 + "'";
v.Warning(T.name_TrademarkConsistent, W.name_W_TrademarkInconsistent, m_tag, sDetails);
bTrademarkOk = false;
}
}
if (sWin3_10 != null)
{
if (sWin3_10.CompareTo(sMac) != 0)
{
string sDetails = "(1,0,0,7)='" + sMac + "', (3,10,1033,7)='" + sWin3_10 + "'";
v.Warning(T.name_TrademarkConsistent, W.name_W_TrademarkInconsistent, m_tag, sDetails);
bTrademarkOk = false;
}
}
}
if (sWin3_0 != null)
{
if (sWin3_1 != null)
{
if (sWin3_1.CompareTo(sWin3_0) != 0)
{
string sDetails = "(3,0,1033,7)='" + sWin3_0 + "', (3,1,1033,7)='" + sWin3_1 + "'";
v.Warning(T.name_TrademarkConsistent, W.name_W_TrademarkInconsistent, m_tag, sDetails);
bTrademarkOk = false;
}
}
if (sWin3_10 != null)
{
if (sWin3_10.CompareTo(sWin3_0) != 0)
{
string sDetails = "(3,0,1033,7)='" + sWin3_0 + "', (3,10,1033,7)='" + sWin3_10 + "'";
v.Warning(T.name_TrademarkConsistent, W.name_W_TrademarkInconsistent, m_tag, sDetails);
bTrademarkOk = false;
}
}
}
if (sWin3_1 != null)
{
if (sWin3_10 != null)
{
if (sWin3_10.CompareTo(sWin3_1) != 0)
{
string sDetails = "(3,1,1033,7)='" + sWin3_1 + "', (3,10,1033,7)='" + sWin3_10 + "'";
v.Warning(T.name_TrademarkConsistent, W.name_W_TrademarkInconsistent, m_tag, sDetails);
bTrademarkOk = false;
}
}
}
if (bTrademarkOk)
{
v.Pass(T.name_TrademarkConsistent, P.name_P_TrademarkConsistent, m_tag);
}
else
{
//bRet = false;
}
}
if (v.PerformTest(T.name_DescriptionConsistent))
{
bool bDescriptionOk = true;
// get mac roman English Description string if present
string sMac = GetString(1, 0, 0, 10);
// get windows 3,0 English Description string if present
string sWin3_0 = GetString(3, 0, 1033, 10);
// get windows 3,1 English Description string if present
string sWin3_1 = GetString(3, 1, 1033, 10);
// get windows 3,10 English Description string if present
string sWin3_10 = GetString(3, 10, 1033, 10);
// compare strings
if (sMac != null)
{
if (sWin3_0 != null)
{
if (sWin3_0.CompareTo(sMac) != 0)
{
string sDetails = "(1,0,0,10)='" + sMac + "', (3,0,1033,10)='" + sWin3_0 + "'";
v.Warning(T.name_DescriptionConsistent, W.name_W_DescriptionInconsistent, m_tag, sDetails);
bDescriptionOk = false;
}
}
if (sWin3_1 != null)
{
if (sWin3_1.CompareTo(sMac) != 0)
{
string sDetails = "(1,0,0,10)='" + sMac + "', (3,1,1033,10)='" + sWin3_1 + "'";
v.Warning(T.name_DescriptionConsistent, W.name_W_DescriptionInconsistent, m_tag, sDetails);
bDescriptionOk = false;
}
}
if (sWin3_10 != null)
{
if (sWin3_10.CompareTo(sMac) != 0)
{
string sDetails = "(1,0,0,10)='" + sMac + "', (3,10,1033,10)='" + sWin3_10 + "'";
v.Warning(T.name_DescriptionConsistent, W.name_W_DescriptionInconsistent, m_tag, sDetails);
bDescriptionOk = false;
}
}
}
if (sWin3_0 != null)
{
if (sWin3_1 != null)
{
if (sWin3_1.CompareTo(sWin3_0) != 0)
{
string sDetails = "(3,0,1033,10)='" + sWin3_0 + "', (3,1,1033,10)='" + sWin3_1 + "'";
v.Warning(T.name_DescriptionConsistent, W.name_W_DescriptionInconsistent, m_tag, sDetails);
bDescriptionOk = false;
}
}
if (sWin3_10 != null)
{
if (sWin3_10.CompareTo(sWin3_0) != 0)
{
string sDetails = "(3,0,1033,10)='" + sWin3_0 + "', (3,10,1033,10)='" + sWin3_10 + "'";
v.Warning(T.name_DescriptionConsistent, W.name_W_DescriptionInconsistent, m_tag, sDetails);
bDescriptionOk = false;
}
}
}
if (sWin3_1 != null)
{
if (sWin3_10 != null)
{
if (sWin3_10.CompareTo(sWin3_1) != 0)
{
string sDetails = "(3,1,1033,10)='" + sWin3_1 + "', (3,10,1033,10)='" + sWin3_10 + "'";
v.Warning(T.name_DescriptionConsistent, W.name_W_DescriptionInconsistent, m_tag, sDetails);
bDescriptionOk = false;
}
}
}
if (bDescriptionOk)
{
v.Pass(T.name_DescriptionConsistent, P.name_P_DescriptionConsistent, m_tag);
}
else
{
//bRet = false;
}
}
return(bRet);
}
/************************
* public methods
*/
public bool Validate(Validator v, OTFontVal fontOwner)
{
bool bRet = true;
if (v.PerformTest(T.VDMX_Version))
{
if (version == 0 || version == 1)
{
v.Pass(T.VDMX_Version, P.VDMX_P_Version, m_tag, version.ToString());
}
else
{
v.Error(T.VDMX_Version, E.VDMX_E_Version, m_tag, version.ToString());
bRet = false;
}
}
if (v.PerformTest(T.VDMX_Offsets))
{
bool bOffsetsOk = true;
ushort minPossibleOffset = (ushort)((ushort)FieldOffsets.ratRange + numRatios * 4 + numRatios * 2);
ushort maxPossibleOffset = (ushort)GetLength();
for (uint i = 0; i < numRatios; i++)
{
ushort offset = GetVdmxGroupOffset(i);
if (offset < minPossibleOffset || offset > maxPossibleOffset)
{
v.Error(T.VDMX_Offsets, E.VDMX_E_InvalidOffset, m_tag, "#" + i + " offset = " + offset);
bOffsetsOk = false;
bRet = false;
}
}
if (bOffsetsOk)
{
v.Pass(T.VDMX_Offsets, P.VDMX_P_Offsets, m_tag);
}
}
if (v.PerformTest(T.VDMX_GroupsInTable))
{
bool bGroupsOk = true;
for (uint i = 0; i < numRatios; i++)
{
Vdmx vdmx = GetVdmxGroup(i);
uint EndOffset = (uint)GetVdmxGroupOffset(i) + 4 + (uint)vdmx.recs * 6;
if (EndOffset > GetLength())
{
v.Error(T.VDMX_GroupsInTable, E.VDMX_E_GroupsInTable, m_tag, "group# " + i);
bGroupsOk = false;
bRet = false;
}
}
if (bGroupsOk)
{
v.Pass(T.VDMX_GroupsInTable, P.VDMX_P_GroupsInTable, m_tag);
}
}
if (v.PerformTest(T.VDMX_CompareToCalcData))
{
bool bDataOk = true;
bool needtol = false;
RasterInterf.DevMetricsData dmd = null;
try
{
Version ver = fontOwner.GetFile().GetRasterizer().FTVersion;
if (ver.CompareTo(new Version(2, 6, 1)) < 0)
{
v.Warning(T.VDMX_CompareToCalcData, W.VDMX_W_Need_Newer_FreeType, m_tag,
"Using FreeType Version " + ver + " may not get correct results for VDMX");
}
dmd = fontOwner.GetCalculatedDevMetrics();
}
catch (InvalidOperationException e)
{
// JJF Figure out what to do. Changed to warning
v.Warning(T.VDMX_CompareToCalcData, W._TEST_W_ErrorInAnotherTable, m_tag, e.Message);
}
catch (Exception e)
{
v.ApplicationError(T.VDMX_CompareToCalcData, E._Table_E_Exception, m_tag, e.Message);
bRet = false;
}
if (dmd != null)
{
for (uint iRatio = 0; iRatio < numRatios; iRatio++)
{
Ratios ratio = GetRatioRange(iRatio);
Vdmx group = GetVdmxGroup(iRatio);
for (uint iEntry = 0; iEntry < group.recs; iEntry++)
{
Vdmx.vTable vTableEntry = group.GetEntry(iEntry);
if (vTableEntry.yPelHeight <= 255)
{
if (vTableEntry.yPelHeight == dmd.vdmxData.groups[iRatio].entry[vTableEntry.yPelHeight - group.startsz].yPelHeight)
{
if (vTableEntry.yMin != dmd.vdmxData.groups[iRatio].entry[iEntry].yMin ||
vTableEntry.yMax != dmd.vdmxData.groups[iRatio].entry[iEntry].yMax)
{
int dif = dmd.vdmxData.groups[iRatio].entry[iEntry].yMax - dmd.vdmxData.groups[iRatio].entry[iEntry].yMin;
if (!TestTolerance(dmd.vdmxData.groups[iRatio].entry[iEntry].yMin, vTableEntry.yMin, dif) ||
!TestTolerance(dmd.vdmxData.groups[iRatio].entry[iEntry].yMax, vTableEntry.yMax, dif))
{
String sDetails = "group[" + iRatio + "], entry[" + iEntry + "], yPelHeight = " + vTableEntry.yPelHeight +
", yMin,yMax = " + vTableEntry.yMin + "," + vTableEntry.yMax +
", calculated yMin,yMax = " + dmd.vdmxData.groups[iRatio].entry[iEntry].yMin + "," +
dmd.vdmxData.groups[iRatio].entry[iEntry].yMax;
v.Error(T.VDMX_CompareToCalcData, E.VDMX_E_CalcData, m_tag, sDetails);
bDataOk = false;
}
else
{
needtol = true;
}
}
/*
* else
* {
* String s = "group[" + iRatio + "], yPelHeight = " + vTableEntry.yPelHeight + ", entry OK";
* v.DebugMsg(s, m_tag);
* }
*/
}
else
{
Debug.Assert(false);
}
}
else
{
String sDetails = "group[" + iRatio + "], entry[" + iEntry + "], yPelHeight = " + vTableEntry.yPelHeight;
v.Error(T.VDMX_CompareToCalcData, E.VDMX_E_yPelHeight_illegal, m_tag, sDetails);
bDataOk = false;
}
}
}
if (bDataOk)
{
if (needtol)
{
String sDetails = "The differences were smaller than the tolerance, so they may well be valid if the VDMX was hand-tuned";
v.Warning(T.VDMX_CompareToCalcData, W.VDMX_W_CalcData, m_tag, sDetails);
}
else
{
v.Pass(T.VDMX_CompareToCalcData, P.VDMX_P_CalcData, m_tag);
}
}
else
{
//v.Error(T.VDMX_CompareToCalcData, E.VDMX_E_CalcData, m_tag);
bRet = false;
}
}
else
{
// Rasterization could not occur for various reasons.
string s = "Unable to get calculated device metrics.";
v.Error(T.VDMX_CompareToCalcData, E.VDMX_E_CalcData, m_tag, s);
bDataOk = false;
bRet = false;
}
}
return(bRet);
}
protected bool CheckForOptimalTableOrder(Validator v)
{
bool bRet = true;
if (!GetFile().IsCollection()) // don't perform this test on .ttc files
{
string [] OrderedTables = null;
string [] TTOrderedTables =
{
"head", "hhea", "maxp", "OS/2", "hmtx", "LTSH", "VDMX",
"hdmx", "cmap", "fpgm", "prep", "cvt ", "loca", "glyf",
"kern", "name", "post", "gasp", "PCLT" /*"DSIG"*/
};
string [] PSOrderedTables =
{
"head", "hhea", "maxp", "OS/2", "name", "cmap", "post", "CFF "
};
if (ContainsTrueTypeOutlines())
{
OrderedTables = TTOrderedTables;
}
else if (ContainsPostScriptOutlines())
{
OrderedTables = PSOrderedTables;
}
if (OrderedTables != null)
{
Debug.Assert(m_OffsetTable != null);
bool bOrderOk = true;
if (m_OffsetTable != null)
{
for (int i = 0; i < OrderedTables.Length - 1; i++)
{
for (int j = i + 1; j < OrderedTables.Length; j++)
{
DirectoryEntry deBefore = GetDirectoryEntry(OrderedTables[i]);
DirectoryEntry deAfter = GetDirectoryEntry(OrderedTables[j]);
if (deBefore != null && deAfter != null)
{
if (deBefore.offset > deAfter.offset)
{
string sDetails = "table '" + deAfter.tag + "' precedes table '" + deBefore.tag + "'";
v.Warning(T.T_NULL, W._FONT_W_OptimalOrder, null, sDetails);
bOrderOk = false;
break;
}
}
}
if (!bOrderOk)
{
break;
}
}
}
if (bOrderOk)
{
v.Pass(P._FONT_P_OptimalOrder, null);
}
}
}
return(bRet);
}
/************************
* public methods
*/
public bool Validate(Validator v, OTFontVal fontOwner)
{
bool bRet = true;
if (v.PerformTest(T.kern_TableVersion))
{
if (version == 0)
{
v.Pass(T.kern_TableVersion, P.kern_P_TableVersion, m_tag);
}
else
{
v.Error(T.kern_TableVersion, E.kern_E_TableVersion, m_tag, "version = " + version.ToString() + ", unrecognized version #, no further tests can be performed");
return(false);
}
}
if (v.PerformTest(T.kern_NumSubtables))
{
if (nTables != 0)
{
v.Pass(T.kern_NumSubtables, P.kern_P_NumSubTables, m_tag, nTables.ToString());
}
else
{
v.Error(T.kern_NumSubtables, E.kern_E_NumSubTables, m_tag);
bRet = false;
}
}
if (v.PerformTest(T.kern_SubtableFormats))
{
bool bFormatsOk = true;
for (uint i = 0; i < nTables; i++)
{
SubTableHeader sth = GetSubTableHeader(i);
if (sth != null)
{
if (sth.GetFormat() != 0 && sth.GetFormat() != 2)
{
v.Error(T.kern_SubtableFormats, E.kern_E_SubtableFormats, m_tag, "subtable #" + i + ", format " + sth.GetFormat());
bFormatsOk = false;
bRet = false;
}
}
else
{
v.Error(T.kern_SubtableFormats, E.kern_E_SubTableExtendsPastEOT, m_tag, "subtable #" + i);
bFormatsOk = false;
bRet = false;
break;
}
}
if (bFormatsOk)
{
v.Pass(T.kern_SubtableFormats, P.kern_P_SubtableFormats, m_tag);
}
}
if (!bRet)
{
v.Warning(T.kern_SubtableFormats, W._TEST_W_OtherErrorsInTable, m_tag, "kern table appears to be corrupt. No further tests will be performed.");
return(bRet);
}
if (v.PerformTest(T.kern_SubtableLength))
{
bool bLengthsOk = true;
for (uint i = 0; i < nTables; i++)
{
SubTable st = this.GetSubTable(i);
if (st.length != st.CalculatedLength())
{
v.Error(T.kern_SubtableLength, E.kern_E_SubtableLength, m_tag, "subtable #" + i + ", length = " + st.length + ", calculated length = " + st.CalculatedLength());
bLengthsOk = false;
bRet = false;
}
}
if (bLengthsOk)
{
v.Pass(T.kern_SubtableLength, P.kern_P_SubtableLengths, m_tag);
}
}
if (v.PerformTest(T.kern_CoverageReservedBits))
{
bool bReservedOk = true;
for (uint i = 0; i < nTables; i++)
{
SubTable st = this.GetSubTable(i);
if ((st.coverage & 0xf0) != 0)
{
bReservedOk = false;
v.Error(T.kern_CoverageReservedBits, E.kern_E_ReservedCoverageBits, m_tag, "subtable #" + i);
bRet = false;
break;
}
}
if (bReservedOk)
{
v.Pass(T.kern_CoverageReservedBits, P.kern_P_ReservedCoverageBits, m_tag);
}
}
if (v.PerformTest(T.kern_Format0_SearchFields))
{
bool bBinaryFieldsOk = true;
for (uint i = 0; i < nTables; i++)
{
SubTable st = this.GetSubTable(i);
if (st.version == 0)
{
SubTableFormat0 stf0 = (SubTableFormat0)st;
ushort nPairs = stf0.nPairs;
ushort sizeofEntry = 6;
if (nPairs != 0)
{
ushort CalculatedSearchRange = (ushort)(util.MaxPower2LE(nPairs) * sizeofEntry);
ushort CalculatedEntrySelector = util.Log2(util.MaxPower2LE(nPairs));
ushort CalculatedRangeShift = (ushort)((nPairs - util.MaxPower2LE(nPairs)) * sizeofEntry);
if (stf0.searchRange != CalculatedSearchRange)
{
string s = "subtable #" + i
+ ", calc = " + CalculatedSearchRange
+ ", actual = " + stf0.searchRange;
v.Error(T.kern_Format0_SearchFields, E.kern_E_Format0_searchRange, m_tag, s);
bBinaryFieldsOk = false;
bRet = false;
}
if (stf0.entrySelector != CalculatedEntrySelector)
{
string s = "subtable #" + i
+ ", calc = " + CalculatedEntrySelector
+ ", actual = " + stf0.entrySelector;
v.Error(T.kern_Format0_SearchFields, E.kern_E_Format0_entrySelector, m_tag, s);
bBinaryFieldsOk = false;
bRet = false;
}
if (stf0.rangeShift != CalculatedRangeShift)
{
string s = "subtable #" + i
+ ", calc = " + CalculatedRangeShift
+ ", actual = " + stf0.rangeShift;
v.Error(T.kern_Format0_SearchFields, E.kern_E_Format0_rangeShift, m_tag, s);
bBinaryFieldsOk = false;
bRet = false;
}
}
else
{
// cannot validate fields since they are undefined when nPairs is zero
v.Warning(T.kern_Format0_SearchFields, W.kern_W_Format0_SearchFields, m_tag, "subtable #" + i + ", nPairs = " + stf0.nPairs);
bBinaryFieldsOk = false;
}
}
}
if (bBinaryFieldsOk)
{
v.Pass(T.kern_Format0_SearchFields, P.kern_P_Format0_SearchFields, m_tag);
}
}
if (v.PerformTest(T.kern_Format0_GlyphIDs))
{
for (uint i = 0; i < nTables; i++)
{
SubTable st = this.GetSubTable(i);
if (st.version == 0)
{
bool bGlyphIDsOk = true;
SubTableFormat0 stf0 = (SubTableFormat0)st;
for (int iPair = 0; iPair < stf0.nPairs; iPair++)
{
ushort left = 0, right = 0;
short kernvalue = 0;
stf0.GetKerningPairAndValue(iPair, ref left, ref right, ref kernvalue);
ushort numGlyphs = fontOwner.GetMaxpNumGlyphs();
if (left >= numGlyphs)
{
v.Error(T.kern_Format0_GlyphIDs, E.kern_E_Format0_GlyphIDs, m_tag, "kern pair[" + iPair + "]: left = " + left);
bGlyphIDsOk = false;
bRet = false;
}
if (right >= numGlyphs)
{
v.Error(T.kern_Format0_GlyphIDs, E.kern_E_Format0_GlyphIDs, m_tag, "kern pair[" + iPair + "]: right = " + right);
bGlyphIDsOk = false;
bRet = false;
}
}
if (bGlyphIDsOk)
{
v.Pass(T.kern_Format0_GlyphIDs, P.kern_P_Format0_GlyphIDs, m_tag);
}
}
}
}
if (v.PerformTest(T.kern_Format0_Values))
{
for (uint i = 0; i < nTables; i++)
{
SubTable st = this.GetSubTable(i);
if (st.version == 0)
{
SubTableFormat0 stf0 = (SubTableFormat0)st;
Table_hmtx hmtxTable = (Table_hmtx)fontOwner.GetTable("hmtx");
if (hmtxTable != null)
{
bool bValuesOk = true;
for (int iPair = 0; iPair < stf0.nPairs; iPair++)
{
ushort left = 0, right = 0;
short kernvalue = 0;
stf0.GetKerningPairAndValue(iPair, ref left, ref right, ref kernvalue);
short absKernValue = Math.Abs(kernvalue);
Table_hmtx.longHorMetric lhmLeft = null;
Table_hmtx.longHorMetric lhmRight = null;
try {
lhmLeft = hmtxTable.GetOrMakeHMetric(left, fontOwner);
lhmRight = hmtxTable.GetOrMakeHMetric(right, fontOwner);
}
catch (Exception e)
{
v.ApplicationError(T.kern_Format0_Values, E._Table_E_Exception, m_tag, "GetOrMakeHMetric:" + e.Message);
bValuesOk = false;
bRet = false;
break;
}
if (lhmLeft == null || lhmRight == null)
{
v.ApplicationError(T.kern_Format0_Values, E._Table_E_Exception, m_tag, "hmtx Left or Right null");
bValuesOk = false;
bRet = false;
break;
}
if (absKernValue > lhmLeft.advanceWidth && absKernValue > lhmRight.advanceWidth)
{
v.Error(T.kern_Format0_Values, E.kern_E_Format0_Values, m_tag, "kern pair[" + iPair + "]: left id = " + left + ", right id = " + right + ", value = " + kernvalue);
bValuesOk = false;
bRet = false;
}
}
if (bValuesOk)
{
v.Pass(T.kern_Format0_Values, P.kern_P_Format0_Values, m_tag);
}
}
}
}
}
if (v.PerformTest("kern_Format0_IDsInCmap"))
{
for (uint i = 0; i < nTables; i++)
{
SubTable st = this.GetSubTable(i);
if (st.version == 0)
{
SubTableFormat0 stf0 = (SubTableFormat0)st;
Table_cmap cmapTable = (Table_cmap)fontOwner.GetTable("cmap");
if (cmapTable != null)
{
Table_cmap.Subtable cmapSubtable = cmapTable.GetSubtable(3, 10);
if (cmapSubtable == null)
{
cmapSubtable = cmapTable.GetSubtable(3, 1);
}
if (cmapSubtable == null)
{
Table_cmap.EncodingTableEntry ete = cmapTable.GetEncodingTableEntry(0);
cmapSubtable = cmapTable.GetSubtable(ete);
}
if (cmapSubtable != null)
{
uint [] map = cmapSubtable.GetMap();
bool bAllIDsInCmap = true;
for (int iPair = 0; iPair < stf0.nPairs; iPair++)
{
ushort left = 0, right = 0;
short kernvalue = 0;
stf0.GetKerningPairAndValue(iPair, ref left, ref right, ref kernvalue);
bool bFoundLeft = false;
bool bFoundRight = false;
for (int j = 0; j < map.Length; j++)
{
if (left == map[j])
{
bFoundLeft = true;
break;
}
}
for (int j = 0; j < map.Length; j++)
{
if (right == map[j])
{
bFoundRight = true;
break;
}
}
if (bFoundLeft == false)
{
v.Error(T.kern_Format0_IDsInCmap, E.kern_E_Format0_GlyphIdInCmap, m_tag, "kern pair[" + iPair + "]: left id = " + left);
bAllIDsInCmap = false;
bRet = false;
}
if (bFoundRight == false)
{
v.Error(T.kern_Format0_IDsInCmap, E.kern_E_Format0_GlyphIdInCmap, m_tag, "kern pair[" + iPair + "]: right id = " + right);
bAllIDsInCmap = false;
bRet = false;
}
}
if (bAllIDsInCmap)
{
v.Pass(T.kern_Format0_IDsInCmap, P.kern_P_Format0_GlyphIdInCmap, m_tag);
}
}
}
}
}
}
return(bRet);
}
/************************
* public methods
*/
public bool Validate(Validator v, OTFontVal fontOwner)
{
bool bRet = true;
if (v.PerformTest(T.name_FormatSelector))
{
if (FormatSelector == 0)
{
v.Pass(T.name_FormatSelector, P.name_P_FormatSelector, m_tag);
}
else
{
v.Error(T.name_FormatSelector, E.name_E_FormatSelector, m_tag, FormatSelector.ToString());
bRet = false;
}
}
if (v.PerformTest(T.name_StringsWithinTable))
{
bool bStringsWithinTable = true;
uint tableLength = GetLength();
for (uint i=0; i<NumberNameRecords; i++)
{
NameRecord nr = GetNameRecord(i);
if (nr != null)
{
if (nr.StringOffset + nr.StringLength > tableLength)
{
v.Error(T.name_StringsWithinTable, E.name_E_StringsWithinTable, m_tag, "string# " + i);
bStringsWithinTable = false;
bRet = false;
}
}
else
{
v.Warning(T.name_StringsWithinTable, W._TEST_W_OtherErrorsInTable, m_tag);
bStringsWithinTable = false;
break;
}
}
if (bStringsWithinTable)
{
v.Pass(T.name_StringsWithinTable, P.name_P_StringsWithinTable, m_tag);
}
}
if (v.PerformTest(T.name_NameRecordsSorted))
{
bool bSortedOrder = true;
if (NumberNameRecords > 1)
{
NameRecord CurrNR = GetNameRecord(0);
NameRecord NextNR = null;
for (uint i=0; i<NumberNameRecords-1; i++)
{
NextNR = GetNameRecord(i+1);
if (CurrNR == null || NextNR == null)
{
bSortedOrder = false;
break;
}
if (CurrNR.PlatformID > NextNR.PlatformID)
{
bSortedOrder = false;
break;
}
else if (CurrNR.PlatformID == NextNR.PlatformID)
{
if (CurrNR.EncodingID > NextNR.EncodingID)
{
bSortedOrder = false;
break;
}
else if (CurrNR.EncodingID == NextNR.EncodingID)
{
if (CurrNR.LanguageID > NextNR.LanguageID)
{
bSortedOrder = false;
break;
}
else if (CurrNR.LanguageID == NextNR.LanguageID)
{
if (CurrNR.NameID > NextNR.NameID)
{
bSortedOrder = false;
break;
}
}
}
}
CurrNR = NextNR;
}
}
if (bSortedOrder)
{
v.Pass(T.name_NameRecordsSorted, P.name_P_NameRecordsSorted, m_tag);
}
else
{
v.Error(T.name_NameRecordsSorted, E.name_E_NameRecordsSorted, m_tag);
bRet = false;
}
}
if (v.PerformTest(T.name_ReservedNameIDs))
{
bool bReservedOk = true;
for (uint i=0; i<NumberNameRecords; i++)
{
NameRecord nr = GetNameRecord(i);
if (nr != null)
{
if (nr.NameID >= 21 && nr.NameID <= 255)
{
string s = "platID = " + nr.PlatformID
+ ", encID = " + nr.EncodingID
+ ", langID = " + nr.LanguageID
+ ", nameID = " + nr.NameID;
v.Error(T.name_ReservedNameIDs, E.name_E_ReservedNameID, m_tag, s);
bReservedOk = false;
break;
}
}
else
{
v.Warning(T.name_ReservedNameIDs, W._TEST_W_OtherErrorsInTable, m_tag);
bReservedOk = false;
break;
}
}
if (bReservedOk)
{
v.Pass(T.name_ReservedNameIDs, P.name_P_ReservedNameID, m_tag);
}
}
if (v.PerformTest(T.name_BothPlatforms))
{
bool bMac = false;
bool bMS = false;
for (uint i=0; i<NumberNameRecords; i++)
{
NameRecord nr = GetNameRecord(i);
if (nr != null)
{
if (nr.PlatformID == 1)
{
bMac = true;
}
else if (nr.PlatformID == 3)
{
bMS = true;
}
}
}
if (bMac && bMS)
{
v.Pass(T.name_BothPlatforms, P.name_P_BothPlatforms, m_tag);
}
else if (!bMac)
{
v.Error(T.name_BothPlatforms, E.name_E_NoMacPlatform, m_tag);
bRet = false;
}
else if (!bMS)
{
v.Error(T.name_BothPlatforms, E.name_E_NoMSPlatform, m_tag);
bRet = false;
}
}
if (v.PerformTest(T.name_VersionString))
{
bool bFound = false;
string sVersion = "";
for (uint i=0; i<NumberNameRecords; i++)
{
NameRecord nr = GetNameRecord(i);
if (nr != null)
{
if (nr.PlatformID == 3 // ms
&& (nr.EncodingID == 1 /* unicode */ || nr.EncodingID == 0 /*symbol*/)
&& nr.NameID == 5) // version string
{
bFound = true;
bool bVerStringValid = false;
byte [] buf = GetEncodedString(nr);
string s = "";
if (buf != null)
{
sVersion = "";
for (int j=0; j<buf.Length/2; j++)
{
char c = (char)(ushort)(buf[j*2]<<8 | buf[j*2+1]);
sVersion += c;
}
if (sVersion.Length >= 11
&& sVersion.StartsWith("Version ")
&& Char.IsDigit(sVersion, 8))
{
int j = 9;
// advance past the digits in the major number
while (j < sVersion.Length)
{
if (Char.IsDigit(sVersion, j))
{
j++;
}
else
{
break;
}
}
// if major number is followed by a period
if (sVersion[j] == '.')
{
// advance past the period
j++;
// check for a digit
if (Char.IsDigit(sVersion, j))
{
bVerStringValid = true;
}
}
}
}
s = "platID = " + nr.PlatformID
+ ", encID = " + nr.EncodingID
+ ", langID = " + nr.LanguageID
+ ", \"" + sVersion + "\"";
if (bVerStringValid)
{
v.Pass(T.name_VersionString, P.name_P_VersionStringFormat, m_tag, s);
}
else
{
v.Error(T.name_VersionString, E.name_E_VersionStringFormat, m_tag, s);
bRet = false;
}
// compare to mac version string if present
string sMacVer = GetString(1, 0, 0xffff, 5);
if (sMacVer != null)
{
if (sVersion.CompareTo(sMacVer) != 0)
{
v.Warning(T.name_VersionString, W.name_W_VersionMismatch_MS_MAC, m_tag);
}
}
// compare to 3,10 version string if present
string s310Ver = GetString(3, 10, nr.LanguageID, 5);
if (s310Ver != null)
{
if (sVersion.CompareTo(s310Ver) != 0)
{
string s310 = "platID = 3, encID = 10, langID = " + nr.LanguageID
+ ", \"" + s310Ver + "\"";
v.Warning(T.name_VersionString, W.name_W_VersionMismatch_3_1_3_10, m_tag, s + " / " + s310);
}
}
}
}
}
if (!bFound)
{
v.Error(T.name_VersionString, E.name_E_VersionStringNotFound, m_tag);
bRet = false;
}
}
if (v.PerformTest(T.name_PlatformSpecificEncoding))
{
bool bIDsOk = true;
for (uint i=0; i<NumberNameRecords; i++)
{
NameRecord nr = GetNameRecord(i);
if (nr != null)
{
if (nr.PlatformID == 0) // unicode
{
if (nr.EncodingID > 3)
{
string s = "platID = " + nr.PlatformID
+ ", encID = " + nr.EncodingID
+ ", langID = " + nr.LanguageID
+ ", nameID = " + nr.NameID;
v.Error(T.name_PlatformSpecificEncoding, E.name_E_PlatformSpecificEncoding, m_tag, s);
bIDsOk = false;
bRet = false;
}
}
else if (nr.PlatformID == 1) // mac
{
if (nr.EncodingID > 32)
{
string s = "platID = " + nr.PlatformID
+ ", encID = " + nr.EncodingID
+ ", langID = " + nr.LanguageID
+ ", nameID = " + nr.NameID;
v.Error(T.name_PlatformSpecificEncoding, E.name_E_PlatformSpecificEncoding, m_tag, s);
bIDsOk = false;
bRet = false;
}
}
else if (nr.PlatformID == 2) // iso
{
if (nr.EncodingID > 2)
{
string s = "platID = " + nr.PlatformID
+ ", encID = " + nr.EncodingID
+ ", langID = " + nr.LanguageID
+ ", nameID = " + nr.NameID;
v.Error(T.name_PlatformSpecificEncoding, E.name_E_PlatformSpecificEncoding, m_tag, s);
bIDsOk = false;
bRet = false;
}
}
else if (nr.PlatformID == 3) // MS
{
if (nr.EncodingID > 10)
{
string s = "platID = " + nr.PlatformID
+ ", encID = " + nr.EncodingID
+ ", langID = " + nr.LanguageID
+ ", nameID = " + nr.NameID;
v.Error(T.name_PlatformSpecificEncoding, E.name_E_PlatformSpecificEncoding, m_tag, s);
bIDsOk = false;
bRet = false;
}
}
/*
else if (nr.PlatformID == 4) // Custom
{
}
*/
}
else
{
v.Warning(T.name_PlatformSpecificEncoding, W._TEST_W_OtherErrorsInTable, m_tag);
bIDsOk = false;
break;
}
}
if (bIDsOk)
{
v.Pass(T.name_PlatformSpecificEncoding, P.name_P_PlatformSpecificEncoding, m_tag);
}
}
if (v.PerformTest(T.name_MSLanguageIDs))
{
bool bFound = false;
bool bIDsOk = true;
ushort [] MSLangIDs = // taken from Q224804
{
0x0401, 0x0402, 0x0403, 0x0404, 0x0405, 0x0406, 0x0407, 0x0408, 0x0409,
0x040a, 0x040b, 0x040c, 0x040D, 0x040e, 0x040F, 0x0410, 0x0411, 0x0412,
0x0413, 0x0414, 0x0415, 0x0416, 0x0417, 0x0418, 0x0419, 0x041a, 0x041b,
0x041c, 0x041D, 0x041E, 0x041f, 0x0420, 0x0421, 0x0422, 0x0423, 0x0424,
0x0425, 0x0426, 0x0427, 0x0429, 0x042a, 0x042b, 0x042c, 0x042D, 0x042e,
0x042f, 0x0430, 0x0431, 0x0432, 0x0433, 0x0434, 0x0435, 0x0436, 0x0437,
0x0438, 0x0439, 0x043b, 0x043d, 0x043e, 0x043f, 0x0441, 0x0443, 0x0444,
0x0445, 0x0446, 0x0447, 0x0448, 0x0449, 0x044a, 0x044b, 0x044c, 0x044d,
0x044e, 0x044f, 0x0457, 0x0459, 0x0461, 0x0801, 0x0804, 0x0807, 0x0809,
0x080a, 0x080c, 0x0810, 0x0812, 0x0813, 0x0814, 0x0816, 0x0818, 0x0819,
0x081a, 0x081d, 0x0820, 0x0827, 0x082c, 0x083e, 0x0843, 0x0860, 0x0861,
0x0C01, 0x0C04, 0x0c07, 0x0c09, 0x0c0a, 0x0c0c, 0x0c1a, 0x1001, 0x1004,
0x1007, 0x1009, 0x100a, 0x100c, 0x1401, 0x1404, 0x1407, 0x1409, 0x140a,
0x140c, 0x1801, 0x1809, 0x180a, 0x180c, 0x1C01, 0x1c09, 0x1c0a, 0x2001,
0x2009, 0x200a, 0x2401, 0x2409, 0x240a, 0x2801, 0x2809, 0x280a, 0x2C01,
0x2c09, 0x2c0a, 0x3001, 0x3009, 0x300a, 0x3401, 0x3409, 0x340a, 0x3801,
0x380a, 0x3C01, 0x3c0a, 0x4001, 0x400a, 0x440a, 0x480a, 0x4c0a, 0x500a
};
for (uint i=0; i<NumberNameRecords; i++)
{
NameRecord nr = GetNameRecord(i);
if (nr != null)
{
if (nr.PlatformID == 3 && nr.EncodingID == 1)
{
bFound = true;
bool bValidID = false;
for (uint j=0; j<MSLangIDs.Length; j++)
{
if (nr.LanguageID == MSLangIDs[j])
{
bValidID = true;
break;
}
}
if (!bValidID)
{
string s = "platID = " + nr.PlatformID
+ ", encID = " + nr.EncodingID
+ ", langID = 0x" + nr.LanguageID.ToString("x4")
+ ", nameID = " + nr.NameID;
v.Error(T.name_MSLanguageIDs, E.name_E_MSLanguageID, m_tag, s);
bIDsOk = false;
bRet = false;
}
}
}
}
if (bFound && bIDsOk)
{
v.Pass(T.name_MSLanguageIDs, P.name_P_MSLanguageID, m_tag);
}
}
if (v.PerformTest(T.name_unicode_length))
{
bool bLengthsOk = true;
for (uint i=0; i<NumberNameRecords; i++)
{
NameRecord nr = GetNameRecord(i);
if (nr != null)
{
if (nr.PlatformID == 0 || nr.PlatformID == 2 || // unicode or iso platform
(nr.PlatformID == 3 && nr.EncodingID == 1)) // microsoft platform, unicode encoding
{
if ((nr.StringLength & 1) == 1)
{
string s = "platID = " + nr.PlatformID
+ ", encID = " + nr.EncodingID
+ ", langID = " + nr.LanguageID
+ ", nameID = " + nr.NameID
+ ", length = " + nr.StringLength;
v.Error(T.name_unicode_length, E.name_E_UnicodeLength, m_tag, s);
bLengthsOk = false;
bRet = false;
}
}
}
else
{
v.Warning(T.name_unicode_length, W._TEST_W_OtherErrorsInTable, m_tag);
bLengthsOk = false;
break;
}
}
if (bLengthsOk)
{
v.Pass(T.name_unicode_length, P.name_P_UnicodeLength, m_tag);
}
}
if (v.PerformTest(T.name_Postscript))
{
bool bPostscriptOk = true;
string sPostscriptMac = GetString(1, 0, 0, 6);
if (sPostscriptMac != null)
{
if (sPostscriptMac.Length > 63)
{
v.Error(T.name_Postscript, E.name_E_Postscript_length, m_tag, "name string (1, 0, 0, 6) is " + sPostscriptMac.Length + " characters long");
bRet = false;
bPostscriptOk = false;
}
for (int i=0; i<sPostscriptMac.Length; i++)
{
char c = sPostscriptMac[i];
if (c < 33 || c > 126 || c=='[' || c==']' || c=='(' || c==')' || c=='{' || c=='}' || c=='<' || c=='>' || c=='/' || c=='%')
{
v.Error(T.name_Postscript, E.name_E_Postscript_chars, m_tag, "name string (1, 0, 0, 6) contains an illegal character at index " + i);
bRet = false;
bPostscriptOk = false;
}
}
}
ushort nEncoding = 1;
if (fontOwner.ContainsMsSymbolEncodedCmap())
{
nEncoding = 0;
}
string sPostscriptMS = GetString(3, nEncoding, 0x409, 6); // ms
if (sPostscriptMS != null)
{
if (sPostscriptMS.Length > 63)
{
v.Error(T.name_Postscript, E.name_E_Postscript_length, m_tag, "name string (3, " + nEncoding + ", 0x409, 6) is " + sPostscriptMS.Length + " characters long");
bRet = false;
bPostscriptOk = false;
}
for (int i=0; i<sPostscriptMS.Length; i++)
{
char c = sPostscriptMS[i];
if (c < 33 || c > 126 || c=='[' || c==']' || c=='(' || c==')' || c=='{' || c=='}' || c=='<' || c=='>' || c=='/' || c=='%')
{
v.Error(T.name_Postscript, E.name_E_Postscript_chars, m_tag, "name string (3, " + nEncoding + ", 0x409, 6) contains an illegal character at index " + i);
bRet = false;
bPostscriptOk = false;
}
}
}
if (sPostscriptMac==null && sPostscriptMS!=null)
{
v.Error(T.name_Postscript, E.name_E_Postscript_missing, m_tag, "Mac Postscript string is missing, but MS Postscript string is present");
bRet = false;
bPostscriptOk = false;
}
else if (sPostscriptMac!=null && sPostscriptMS==null)
{
v.Error(T.name_Postscript, E.name_E_Postscript_missing, m_tag, "MS Postscript string is missing, but Mac Postscript string is present");
bRet = false;
bPostscriptOk = false;
}
if (sPostscriptMac!=null && sPostscriptMS!=null)
{
if (sPostscriptMac != sPostscriptMS)
{
v.Error(T.name_Postscript, E.name_E_Postscript_unequal, m_tag, "mac postscript = " + sPostscriptMac + ", MS postscript = " + sPostscriptMS );
bRet = false;
bPostscriptOk = false;
}
}
if (sPostscriptMac!=null && sPostscriptMS!=null && bPostscriptOk)
{
v.Pass(T.name_Postscript, P.name_P_Postscript, m_tag);
}
}
if (v.PerformTest(T.name_Subfamily))
{
string sStyle = GetStyleString();
if (sStyle != null)
{
Table_OS2 OS2Table = (Table_OS2)fontOwner.GetTable("OS/2");
if (OS2Table != null)
{
bool bStyleOk = true;
string sStyleDetails = "";
string s = sStyle.ToLower();
bool bItalic = ((OS2Table.fsSelection & 0x01) != 0 );
bool bBold = ((OS2Table.fsSelection & 0x20) != 0 );
if (bItalic)
{
if (s.IndexOf("italic") == -1 && s.IndexOf("oblique") == -1)
{
bStyleOk = false;
sStyleDetails = "OS/2.fsSelection italic bit is set, but subfamily string = '" + sStyle + "'";
}
}
else
{
if (s.IndexOf("italic") != -1 || s.IndexOf("oblique") != -1)
{
bStyleOk = false;
sStyleDetails = "OS/2.fsSelection italic bit is clear, but subfamily string = '" + sStyle + "'";
}
}
if (bBold)
{
if (s.IndexOf("bold") == -1)
{
bStyleOk = false;
sStyleDetails = "OS/2.fsSelection bold bit is set, but subfamily string = '" + sStyle + "'";
}
}
else
{
if (s.IndexOf("bold") != -1)
{
bStyleOk = false;
sStyleDetails = "OS/2.fsSelection bold bit is clear, but subfamily string = '" + sStyle + "'";
}
}
if (bStyleOk)
{
v.Pass(T.name_Subfamily, P.name_P_subfamily, m_tag);
}
else
{
v.Warning(T.name_Subfamily, W.name_W_subfamily_style, m_tag, sStyleDetails);
}
}
}
}
if (v.PerformTest(T.name_NoFormat14))
{
bool bStringOK = true;
for (uint i=0; i<NumberNameRecords; i++)
{
NameRecord nr = GetNameRecord(i);
if (nr != null &&
nr.NameID == 19 &&
nr.PlatformID == 0 &&
nr.EncodingID == 5 )
{
string sDetails =
"name string(" + nr.PlatformID
+ ", " + nr.EncodingID
+ ", 0x" + nr.LanguageID.ToString("x4")
+ ", " + nr.NameID +
", offset=0x" +
nr.StringOffset.ToString("x4") + ")";
v.Error( T.name_NoFormat14,
E.name_E_NoFormat14,
m_tag,
sDetails );
bRet = false;
bStringOK = false;
}
}
if ( bStringOK )
{
string sDetails = "PlatformID=0, EncodingID=5 is for " +
"Variation Sequences (Format 14)";
v.Pass(T.name_NoFormat14, P.name_P_NoFormat14, m_tag,
sDetails );
}
}
if (v.PerformTest(T.name_SampleString))
{
Table_cmap cmapTable = (Table_cmap)fontOwner.GetTable("cmap");
if (cmapTable != null)
{
for (uint i=0; i<NumberNameRecords; i++)
{
NameRecord nr = GetNameRecord(i);
if (nr != null)
{
if (nr.NameID == 19)
{
if ( nr.PlatformID == 0 &&
nr.EncodingID == 5 )
{
// Unicode platform encoding ID 5 can be
// used for encodings in the 'cmap' table
// but not for strings in the 'name' table.
// It has already been flagged as an error,
// so we will just skip it here.
break;
}
Table_cmap.Subtable CmapSubTable = cmapTable.GetSubtable(nr.PlatformID, nr.EncodingID);
if (CmapSubTable != null)
{
bool bStringOk = true;
byte[] strbuf = GetEncodedString(nr);
for (uint j=0; j<strbuf.Length;)
{
if (CmapSubTable.MapCharToGlyph(strbuf, j, true) == 0)
{
string sDetails = "name string(" + nr.PlatformID
+ ", " + nr.EncodingID
+ ", 0x" + nr.LanguageID.ToString("x4")
+ ", " + nr.NameID
+ "), character at index " + j + " is not mapped";
v.Error(T.name_SampleString, E.name_E_sample, m_tag, sDetails);
bStringOk = false;
bRet = false;
break;
}
j += CmapSubTable.BytesInChar(strbuf, j);
}
if (bStringOk)
{
string sDetails = "name string(" + nr.PlatformID
+ ", " + nr.EncodingID
+ ", 0x" + nr.LanguageID.ToString("x4")
+ ", " + nr.NameID
+ ")";
v.Pass(T.name_SampleString, P.name_P_sample, m_tag, sDetails);
}
}
}
}
}
}
}
if (v.PerformTest(T.name_PreferredFamily))
{
bool bFound = false;
for (uint i=0; i<NumberNameRecords; i++)
{
NameRecord nr = GetNameRecord(i);
if (nr != null)
{
if (nr.NameID == 16)
{
string sPrefFam = this.GetString(nr.PlatformID, nr.EncodingID, nr.LanguageID, 16);
string s = "platID = " + nr.PlatformID
+ ", encID = " + nr.EncodingID
+ ", langID = " + nr.LanguageID
+ ", nameID = " + nr.NameID
+ ", \"" + sPrefFam + "\"";
v.Info(T.name_PreferredFamily, I.name_I_Preferred_family_present, m_tag, s);
bFound = true;
}
}
}
if (!bFound)
{
v.Info(T.name_PreferredFamily, I.name_I_Preferred_family_not_present, m_tag);
}
}
if (v.PerformTest(T.name_PreferredSubfamily))
{
bool bFound = false;
for (uint i=0; i<NumberNameRecords; i++)
{
NameRecord nr = GetNameRecord(i);
if (nr != null)
{
if (nr.NameID == 17)
{
string sPrefSubfam = this.GetString(nr.PlatformID, nr.EncodingID, nr.LanguageID, 17);
string s = "platID = " + nr.PlatformID
+ ", encID = " + nr.EncodingID
+ ", langID = " + nr.LanguageID
+ ", nameID = " + nr.NameID
+ ", \"" + sPrefSubfam + "\"";
v.Info(T.name_PreferredSubfamily, I.name_I_Preferred_subfamily_present, m_tag, s);
bFound = true;
}
}
}
if (!bFound)
{
v.Info(T.name_PreferredSubfamily, I.name_I_Preferred_subfamily_not_present, m_tag);
}
}
if (v.PerformTest(T.name_CopyrightConsistent))
{
bool bCopyrightOk = true;
// get mac roman English Copyright string if present
string sMac = GetString(1, 0, 0, 0);
// get windows 3,0 English Copyright string if present
string sWin3_0 = GetString(3, 0, 1033, 0);
// get windows 3,1 English Copyright string if present
string sWin3_1 = GetString(3, 1, 1033, 0);
// get windows 3,10 English Copyright string if present
string sWin3_10 = GetString(3, 10, 1033, 0);
// compare strings
if (sMac != null)
{
if (sWin3_0 != null)
{
if (sWin3_0.CompareTo(sMac) != 0)
{
string sDetails = "(1,0,0,0)='" + sMac + "', (3,0,1033,0)='" + sWin3_0 + "'";
v.Warning(T.name_CopyrightConsistent, W.name_W_CopyrightInconsistent, m_tag, sDetails);
bCopyrightOk = false;
}
}
if (sWin3_1 != null)
{
if (sWin3_1.CompareTo(sMac) != 0)
{
string sDetails = "(1,0,0,0)='" + sMac + "', (3,1,1033,0)='" + sWin3_1 + "'";
v.Warning(T.name_CopyrightConsistent, W.name_W_CopyrightInconsistent, m_tag, sDetails);
bCopyrightOk = false;
}
}
if (sWin3_10 != null)
{
if (sWin3_10.CompareTo(sMac) != 0)
{
string sDetails = "(1,0,0,0)='" + sMac + "', (3,10,1033,0)='" + sWin3_10 + "'";
v.Warning(T.name_CopyrightConsistent, W.name_W_CopyrightInconsistent, m_tag, sDetails);
bCopyrightOk = false;
}
}
}
if (sWin3_0 != null)
{
if (sWin3_1 != null)
{
if (sWin3_1.CompareTo(sWin3_0) != 0)
{
string sDetails = "(3,0,1033,0)='" + sWin3_0 + "', (3,1,1033,0)='" + sWin3_1 + "'";
v.Warning(T.name_CopyrightConsistent, W.name_W_CopyrightInconsistent, m_tag, sDetails);
bCopyrightOk = false;
}
}
if (sWin3_10 != null)
{
if (sWin3_10.CompareTo(sWin3_0) != 0)
{
string sDetails = "(3,0,1033,0)='" + sWin3_0 + "', (3,10,1033,0)='" + sWin3_10 + "'";
v.Warning(T.name_CopyrightConsistent, W.name_W_CopyrightInconsistent, m_tag, sDetails);
bCopyrightOk = false;
}
}
}
if (sWin3_1 != null)
{
if (sWin3_10 != null)
{
if (sWin3_10.CompareTo(sWin3_1) != 0)
{
string sDetails = "(3,1,1033,0)='" + sWin3_1 + "', (3,10,1033,0)='" + sWin3_10 + "'";
v.Warning(T.name_CopyrightConsistent, W.name_W_CopyrightInconsistent, m_tag, sDetails);
bCopyrightOk = false;
}
}
}
if (bCopyrightOk)
{
v.Pass(T.name_CopyrightConsistent, P.name_P_CopyrightConsistent, m_tag);
}
else
{
//bRet = false;
}
}
if (v.PerformTest(T.name_TrademarkConsistent))
{
bool bTrademarkOk = true;
// get mac roman English Trademark string if present
string sMac = GetString(1, 0, 0, 7);
// get windows 3,0 English Trademark string if present
string sWin3_0 = GetString(3, 0, 1033, 7);
// get windows 3,1 English Trademark string if present
string sWin3_1 = GetString(3, 1, 1033, 7);
// get windows 3,10 English Trademark string if present
string sWin3_10 = GetString(3, 10, 1033, 7);
// compare strings
if (sMac != null)
{
if (sWin3_0 != null)
{
if (sWin3_0.CompareTo(sMac) != 0)
{
string sDetails = "(1,0,0,7)='" + sMac + "', (3,0,1033,7)='" + sWin3_0 + "'";
v.Warning(T.name_TrademarkConsistent, W.name_W_TrademarkInconsistent, m_tag, sDetails);
bTrademarkOk = false;
}
}
if (sWin3_1 != null)
{
if (sWin3_1.CompareTo(sMac) != 0)
{
string sDetails = "(1,0,0,7)='" + sMac + "', (3,1,1033,7)='" + sWin3_1 + "'";
v.Warning(T.name_TrademarkConsistent, W.name_W_TrademarkInconsistent, m_tag, sDetails);
bTrademarkOk = false;
}
}
if (sWin3_10 != null)
{
if (sWin3_10.CompareTo(sMac) != 0)
{
string sDetails = "(1,0,0,7)='" + sMac + "', (3,10,1033,7)='" + sWin3_10 + "'";
v.Warning(T.name_TrademarkConsistent, W.name_W_TrademarkInconsistent, m_tag, sDetails);
bTrademarkOk = false;
}
}
}
if (sWin3_0 != null)
{
if (sWin3_1 != null)
{
if (sWin3_1.CompareTo(sWin3_0) != 0)
{
string sDetails = "(3,0,1033,7)='" + sWin3_0 + "', (3,1,1033,7)='" + sWin3_1 + "'";
v.Warning(T.name_TrademarkConsistent, W.name_W_TrademarkInconsistent, m_tag, sDetails);
bTrademarkOk = false;
}
}
if (sWin3_10 != null)
{
if (sWin3_10.CompareTo(sWin3_0) != 0)
{
string sDetails = "(3,0,1033,7)='" + sWin3_0 + "', (3,10,1033,7)='" + sWin3_10 + "'";
v.Warning(T.name_TrademarkConsistent, W.name_W_TrademarkInconsistent, m_tag, sDetails);
bTrademarkOk = false;
}
}
}
if (sWin3_1 != null)
{
if (sWin3_10 != null)
{
if (sWin3_10.CompareTo(sWin3_1) != 0)
{
string sDetails = "(3,1,1033,7)='" + sWin3_1 + "', (3,10,1033,7)='" + sWin3_10 + "'";
v.Warning(T.name_TrademarkConsistent, W.name_W_TrademarkInconsistent, m_tag, sDetails);
bTrademarkOk = false;
}
}
}
if (bTrademarkOk)
{
v.Pass(T.name_TrademarkConsistent, P.name_P_TrademarkConsistent, m_tag);
}
else
{
//bRet = false;
}
}
if (v.PerformTest(T.name_DescriptionConsistent))
{
bool bDescriptionOk = true;
// get mac roman English Description string if present
string sMac = GetString(1, 0, 0, 10);
// get windows 3,0 English Description string if present
string sWin3_0 = GetString(3, 0, 1033, 10);
// get windows 3,1 English Description string if present
string sWin3_1 = GetString(3, 1, 1033, 10);
// get windows 3,10 English Description string if present
string sWin3_10 = GetString(3, 10, 1033, 10);
// compare strings
if (sMac != null)
{
if (sWin3_0 != null)
{
if (sWin3_0.CompareTo(sMac) != 0)
{
string sDetails = "(1,0,0,10)='" + sMac + "', (3,0,1033,10)='" + sWin3_0 + "'";
v.Warning(T.name_DescriptionConsistent, W.name_W_DescriptionInconsistent, m_tag, sDetails);
bDescriptionOk = false;
}
}
if (sWin3_1 != null)
{
if (sWin3_1.CompareTo(sMac) != 0)
{
string sDetails = "(1,0,0,10)='" + sMac + "', (3,1,1033,10)='" + sWin3_1 + "'";
v.Warning(T.name_DescriptionConsistent, W.name_W_DescriptionInconsistent, m_tag, sDetails);
bDescriptionOk = false;
}
}
if (sWin3_10 != null)
{
if (sWin3_10.CompareTo(sMac) != 0)
{
string sDetails = "(1,0,0,10)='" + sMac + "', (3,10,1033,10)='" + sWin3_10 + "'";
v.Warning(T.name_DescriptionConsistent, W.name_W_DescriptionInconsistent, m_tag, sDetails);
bDescriptionOk = false;
}
}
}
if (sWin3_0 != null)
{
if (sWin3_1 != null)
{
if (sWin3_1.CompareTo(sWin3_0) != 0)
{
string sDetails = "(3,0,1033,10)='" + sWin3_0 + "', (3,1,1033,10)='" + sWin3_1 + "'";
v.Warning(T.name_DescriptionConsistent, W.name_W_DescriptionInconsistent, m_tag, sDetails);
bDescriptionOk = false;
}
}
if (sWin3_10 != null)
{
if (sWin3_10.CompareTo(sWin3_0) != 0)
{
string sDetails = "(3,0,1033,10)='" + sWin3_0 + "', (3,10,1033,10)='" + sWin3_10 + "'";
v.Warning(T.name_DescriptionConsistent, W.name_W_DescriptionInconsistent, m_tag, sDetails);
bDescriptionOk = false;
}
}
}
if (sWin3_1 != null)
{
if (sWin3_10 != null)
{
if (sWin3_10.CompareTo(sWin3_1) != 0)
{
string sDetails = "(3,1,1033,10)='" + sWin3_1 + "', (3,10,1033,10)='" + sWin3_10 + "'";
v.Warning(T.name_DescriptionConsistent, W.name_W_DescriptionInconsistent, m_tag, sDetails);
bDescriptionOk = false;
}
}
}
if (bDescriptionOk)
{
v.Pass(T.name_DescriptionConsistent, P.name_P_DescriptionConsistent, m_tag);
}
else
{
//bRet = false;
}
}
return bRet;
}
/************************
* public methods
*/
public bool Validate(Validator v, OTFontVal fontOwner)
{
bool bRet = true;
if (v.PerformTest(T.post_TableLength))
{
bool bLenOk = true;
if (Version.GetUint() == 0x00010000 ||
Version.GetUint() == 0x00030000)
{
if (GetLength() != 32)
{
v.Error(T.post_TableLength, E.post_E_TableLenNot32, m_tag);
bLenOk = false;
bRet = false;
}
}
if (Version.GetUint() == 0x00020000)
{
if (GetLength() < 34)
{
v.Error(T.post_TableLength, E.post_E_InvalidTableLen, m_tag);
bLenOk = false;
bRet = false;
}
}
if (bLenOk)
{
v.Pass(T.post_TableLength, P.post_P_TableLength, m_tag);
}
}
if (v.PerformTest(T.post_Version))
{
uint ver = Version.GetUint();
if (ver == 0x00025000)
{
v.Warning(T.post_Version, W.post_W_Version_2_5, m_tag);
}
else if (ver == 0x00010000 || ver == 0x00020000)
{
v.Pass(T.post_Version, P.post_P_Version, m_tag);
}
else if (ver == 0x00030000)
{
v.Warning(T.post_Version, W.post_W_Version_3_Apple, m_tag);
}
else if (ver == 0x00040000)
{
v.Warning(T.post_Version, W.post_W_Version_4_Apple, m_tag);
}
else
{
v.Error(T.post_Version, E.post_E_Version, m_tag, "0x" + ver.ToString("x8"));
}
}
if (v.PerformTest(T.post_italicAngle))
{
bool bItalOk = true;
uint ia = italicAngle.GetUint();
double dItalicAngle = italicAngle.GetDouble();
if (dItalicAngle < -30.0 || dItalicAngle > 360.0 || (dItalicAngle > 0.0 && dItalicAngle < 330.0))
{
v.Warning(T.post_italicAngle, W.post_W_italicAngle_unlikely, m_tag, "0x" + ia.ToString("x8"));
bItalOk = false;
}
Table_head headTable = (Table_head)fontOwner.GetTable("head");
if (headTable != null)
{
if ((headTable.macStyle & 0x0002) != 0)
{
if (ia == 0)
{
v.Error(T.post_italicAngle, E.post_E_italicAngleZero_macStyle, m_tag);
bItalOk = false;
bRet = false;
}
}
else
{
if (ia != 0)
{
v.Error(T.post_italicAngle, E.post_E_italicAngleNonzero_macStyle, m_tag);
bItalOk = false;
bRet = false;
}
}
}
else
{
v.Error(T.post_italicAngle, E._TEST_E_TableMissing, m_tag, "head table missing, can't compare italicAngle to head.macStyle");
bItalOk = false;
}
Table_hhea hheaTable = (Table_hhea)fontOwner.GetTable("hhea");
if (hheaTable != null)
{
if (ia == 0)
{
if (hheaTable.caretSlopeRun != 0)
{
v.Error(T.post_italicAngle, E.post_E_italicAngleZero_caretSlopeRun, m_tag);
bItalOk = false;
bRet = false;
}
}
else
{
if (hheaTable.caretSlopeRun == 0)
{
v.Error(T.post_italicAngle, E.post_E_italicAngleNonzero_caretSlopeRun, m_tag);
bItalOk = false;
bRet = false;
}
else
{
double dActualAngle = 90.0 + italicAngle.GetDouble();
double dhheaAngle = (Math.Atan2(hheaTable.caretSlopeRise, hheaTable.caretSlopeRun)) * (180.0 / Math.PI);
if (Math.Abs(dActualAngle - dhheaAngle) >= 1.0)
{
string sDetails = "italicAngle = 0x" + ia.ToString("x8") +
" (" + italicAngle.GetDouble() + " degrees)" +
",caretSlope Rise:Run = " + hheaTable.caretSlopeRise + ":" + hheaTable.caretSlopeRun +
" (" + (dhheaAngle - 90.0) + " degrees)";
v.Error(T.post_italicAngle, E.post_E_italicAngleNonzero_hheaAngle, m_tag, sDetails);
bItalOk = false;
bRet = false;
}
}
}
}
else
{
v.Error(T.post_italicAngle, E._TEST_E_TableMissing, m_tag, "hhea table missing, can't compare italicAngle to hhea.caretSlopeRun");
bItalOk = false;
bRet = false;
}
if (bItalOk)
{
v.Pass(T.post_italicAngle, P.post_P_italicAngle, m_tag);
}
}
if (v.PerformTest(T.post_underlinePosition))
{
Table_hhea hheaTable = (Table_hhea)fontOwner.GetTable("hhea");
if (hheaTable != null)
{
if (underlinePosition >= hheaTable.Descender)
{
v.Pass(T.post_underlinePosition, P.post_P_underlinePosition, m_tag);
}
else
{
v.Warning(T.post_underlinePosition, W.post_W_underlinePos_LT_descender, m_tag);
//bRet = false;
}
}
else
{
v.Error(T.post_underlinePosition, E._TEST_E_TableMissing, m_tag, "hhea table missing, can't compare underlinePosition to hhea.Descender");
}
}
if (v.PerformTest(T.post_underlineThickness))
{
Table_head headTable = (Table_head)fontOwner.GetTable("head");
if (headTable != null)
{
if (underlineThickness >= 0 && underlineThickness < headTable.unitsPerEm / 2)
{
v.Pass(T.post_underlineThickness, P.post_P_underlineThickness, m_tag);
}
else
{
v.Warning(T.post_underlineThickness, W.post_W_underlineThickness, m_tag, underlineThickness.ToString());
}
}
else
{
v.Error(T.post_underlineThickness, E._TEST_E_TableMissing, m_tag, "head table missing, can't compare underlineThickness to head.unitsPerEm");
bRet = false;
}
}
if (v.PerformTest(T.post_isFixedPitch))
{
bool bFixedPitchOk = true;
Table_hmtx hmtxTable = (Table_hmtx)fontOwner.GetTable("hmtx");
if (hmtxTable != null)
{
uint numberOfHMetrics = 0;
Table_hhea hheaTable = (Table_hhea)fontOwner.GetTable("hhea");
if (hheaTable != null)
{
numberOfHMetrics = hheaTable.numberOfHMetrics;
}
else
{
v.Error(T.post_isFixedPitch, E._TEST_E_TableMissing, m_tag, "hhea table missing, can't compare isFixedPitch to horizontal metrics");
bRet = false;
}
bool bHmtxMono = hmtxTable.IsMonospace(fontOwner);
if (isFixedPitch == 0 && bHmtxMono)
{
v.Error(T.post_isFixedPitch, E.post_E_isFixedPitchZero_hmtx, m_tag);
bFixedPitchOk = false;
bRet = false;
}
else if (isFixedPitch != 0 && !bHmtxMono)
{
v.Error(T.post_isFixedPitch, E.post_E_isFixedPitchNonzero_hmtx, m_tag);
bFixedPitchOk = false;
bRet = false;
}
}
else
{
v.Error(T.post_isFixedPitch, E._TEST_E_TableMissing, m_tag, "hmtx table missing, can't compare isFixedPitch to horizontal metrics");
bRet = false;
}
Table_OS2 OS2Table = (Table_OS2)fontOwner.GetTable("OS/2");
if (OS2Table != null)
{
if (OS2Table.panose_byte1 == 2) // PANOSE family kind == LatinText
{
if (isFixedPitch == 0 && OS2Table.panose_byte4 == 9) // PANOSE proportion == monospaced
{
v.Error(T.post_isFixedPitch, E.post_E_isFixedPitchZero_OS_2, m_tag);
bFixedPitchOk = false;
bRet = false;
}
else if (isFixedPitch != 0 && OS2Table.panose_byte4 != 9)
{
v.Error(T.post_isFixedPitch, E.post_E_isFixedPitchNonzero_OS_2, m_tag);
bFixedPitchOk = false;
bRet = false;
}
}
}
else
{
v.Error(T.post_isFixedPitch, E._TEST_E_TableMissing,
m_tag, "OS/2 table is missing, can't compare isFixedPitch to OS/2 PANOSE");
bRet = false;
}
if (bFixedPitchOk && hmtxTable != null && OS2Table != null)
{
v.Pass(T.post_isFixedPitch, P.post_P_isFixedPitch, m_tag, "matches the hmtx and OS/2 tables");
}
else if (bFixedPitchOk && hmtxTable == null && OS2Table != null)
{
v.Pass(T.post_isFixedPitch, P.post_P_isFixedPitch, m_tag, "matches the OS/2 table");
}
else if (bFixedPitchOk && hmtxTable != null && OS2Table == null)
{
v.Pass(T.post_isFixedPitch, P.post_P_isFixedPitch, m_tag, "matches the hmtx table");
}
}
if (v.PerformTest(T.post_v2_numberOfGlyphs))
{
if (Version.GetUint() == 0x00020000)
{
Table_maxp maxpTable = (Table_maxp)fontOwner.GetTable("maxp");
if (maxpTable == null)
{
v.Error(T.post_v2_numberOfGlyphs, E._TEST_E_TableMissing, m_tag, "maxp table is missing");
bRet = false;
}
else
{
if (numberOfGlyphs == fontOwner.GetMaxpNumGlyphs())
{
v.Pass(T.post_v2_numberOfGlyphs, P.post_P_v2_numberOfGlyphs, m_tag);
}
else
{
v.Error(T.post_v2_numberOfGlyphs, E.post_E_v2_numberOfGlyphs,
m_tag, "numberOfGlyphs = " + numberOfGlyphs +
", maxp.numGlyphs = " + fontOwner.GetMaxpNumGlyphs());
bRet = false;
}
}
}
else
{
v.Info(T.post_v2_numberOfGlyphs, I.post_I_v2_numberOfGlyphs_notv2, m_tag);
}
}
if (v.PerformTest(T.post_v2_glyphNameIndex))
{
if (Version.GetUint() == 0x00020000 && GetLength() >= 34)
{
bool bIndexOk = true;
for (uint i = 0; i < numberOfGlyphs; i++)
{
if ((uint)FieldOffsetsVer2.glyphNameIndex + i * 2 + 2 <= m_bufTable.GetLength())
{
ushort index = GetGlyphNameIndex((ushort)i);
if (index - 258 >= m_nameOffsets.Length)
{
string s = "glyphNameIndex[" + i + "] = " +
index + ", # names = " + m_nameOffsets.Length;
v.Error(T.post_v2_glyphNameIndex, E.post_E_glyphNameIndex_range, m_tag, s);
bIndexOk = false;
bRet = false;
}
}
else
{
v.Warning(T.post_v2_glyphNameIndex,
W._TEST_W_OtherErrorsInTable, m_tag,
"unable to validate any more glyph indexes, index " +
i + " is past end of table");
bIndexOk = false;
break;
}
}
if (bIndexOk)
{
v.Pass(T.post_v2_glyphNameIndex, P.post_P_glyphNameIndex, m_tag);
}
}
else
{
v.Info(T.post_v2_glyphNameIndex, I.post_I_v2_glyphNameIndex_notv2, m_tag);
}
}
if (v.PerformTest(T.post_v2_names))
{
if (Version.GetUint() == 0x00020000)
{
PostNames pn = new PostNames();
bool bNamesOk = true;
byte [] buf = new byte[2];
for (uint iGlyph = 0; iGlyph < numberOfGlyphs; iGlyph++)
{
if ((uint)FieldOffsetsVer2.glyphNameIndex + iGlyph * 2 + 2
<= m_bufTable.GetLength())
{
uint index = GetGlyphNameIndex((ushort)iGlyph);
if (index >= 258 && index - 258 < m_nameOffsets.Length)
{
if (m_nameOffsets[index - 258] >= GetLength())
{
string s = "name index = " + index;
v.Error(T.post_v2_names,
E.post_E_v2_NameOffsetInvalid,
m_tag, s);
bNamesOk = false;
bRet = false;
}
else
{
uint length =
m_bufTable.GetByte(m_nameOffsets[index - 258]);
if (m_nameOffsets[index - 258] + length < GetLength())
{
bNamesOk = CheckNames(v, fontOwner, pn, iGlyph, index);
}
else
{
string s = "name index = " + index;
v.Error(T.post_v2_names, E.post_E_v2_NameLengthInvalid, m_tag, s);
bNamesOk = false;
bRet = false;
}
}
}
}
else
{
v.Warning(T.post_v2_names, W._TEST_W_OtherErrorsInTable, m_tag,
"unable to validate any more names, index " +
iGlyph + " is past end of table");
bNamesOk = false;
break;
}
}
if (bNamesOk)
{
v.Pass(T.post_v2_names, P.post_P_names, m_tag);
}
}
else
{
v.Info(T.post_v2_names, I.post_I_v2_names_notv2, m_tag);
}
}
return(bRet);
}
/************************
* public methods
*/
public bool Validate(Validator v, OTFontVal fontOwner)
{
bool bRet = true;
if (v.PerformTest(T.PCLT_TableLength))
{
if (GetLength() == 54)
{
v.Pass(T.PCLT_TableLength, P.PCLT_P_TableLength, m_tag);
}
else
{
v.Error(T.PCLT_TableLength, E.PCLT_E_TableLength, m_tag, GetLength().ToString());
bRet = false;
}
}
if (v.PerformTest(T.PCLT_Version))
{
if (Version.GetUint() == 0x00010000)
{
v.Pass(T.PCLT_Version, P.PCLT_P_Version, m_tag);
}
else
{
v.Error(T.PCLT_Version, E.PCLT_E_Version, m_tag, "0x"+Version.GetUint().ToString("x8"));
bRet = false;
}
}
if (v.PerformTest(T.PCLT_Pitch))
{
Table_hmtx hmtxTable = (Table_hmtx)fontOwner.GetTable("hmtx");
Table_maxp maxpTable = (Table_maxp)fontOwner.GetTable("maxp");
if (hmtxTable == null)
{
v.Error(T.PCLT_Pitch, E._TEST_E_TableMissing, m_tag, "hmtx");
bRet = false;
}
else if (maxpTable == null)
{
v.Error(T.PCLT_Pitch, E._TEST_E_TableMissing, m_tag, "maxp");
bRet = false;
}
else
{
uint iSpaceGlyph = fontOwner.FastMapUnicodeToGlyphID(' ');
if (iSpaceGlyph < fontOwner.GetMaxpNumGlyphs())
{
Table_hmtx.longHorMetric hmSpace = hmtxTable.GetOrMakeHMetric(iSpaceGlyph, fontOwner);
if (hmSpace != null)
{
if (Pitch == hmSpace.advanceWidth)
{
v.Pass(T.PCLT_Pitch, P.PCLT_P_Pitch, m_tag);
}
else
{
string s = "actual = " + Pitch + ", expected = " + hmSpace.advanceWidth;
v.Error(T.PCLT_Pitch, E.PCLT_E_Pitch, m_tag, s);
bRet = false;
}
}
}
else
{
// JJF Figure out what to do
v.Warning(T.PCLT_Pitch, W._TEST_W_ErrorInAnotherTable, m_tag, "can't validate Pitch field, error getting the space glyph");
bRet = false;
}
}
}
if (v.PerformTest(T.PCLT_Style))
{
ushort Posture = (ushort)(Style & 0x0003);
ushort Width = (ushort)((Style>>2) & 0x0007);
ushort Structure = (ushort)((Style>>5) & 0x001f);
ushort Reserved = (ushort)(Style>>10);
bool bBitsOk = true;
if (Posture == 3)
{
v.Error(T.PCLT_Style, E.PCLT_E_Style_Posture, m_tag, "0x"+Style.ToString("x4"));
bBitsOk = false;
bRet = false;
}
if (Width == 5)
{
v.Error(T.PCLT_Style, E.PCLT_E_Style_Width, m_tag, "0x"+Style.ToString("x4"));
bBitsOk = false;
bRet = false;
}
if (Structure > 17)
{
v.Error(T.PCLT_Style, E.PCLT_E_Style_Structure, m_tag, "0x"+Style.ToString("x4"));
bBitsOk = false;
bRet = false;
}
if (Reserved != 0)
{
v.Error(T.PCLT_Style, E.PCLT_E_Style_Reserved, m_tag, "0x"+Style.ToString("x4"));
bBitsOk = false;
bRet = false;
}
if (bBitsOk)
{
v.Pass(T.PCLT_Style, P.PCLT_P_Style, m_tag);
}
}
if (v.PerformTest(T.PCLT_StrokeWeight))
{
if (StrokeWeight >= -7 && StrokeWeight <= 7)
{
v.Pass(T.PCLT_StrokeWeight, P.PCLT_P_StrokeWeight, m_tag, StrokeWeight.ToString());
}
else
{
v.Error(T.PCLT_StrokeWeight, E.PCLT_E_StrokeWeight, m_tag, StrokeWeight.ToString());
bRet = false;
}
}
if (v.PerformTest(T.PCLT_WidthType))
{
if (WidthType >= -5 && WidthType <= 5)
{
v.Pass(T.PCLT_WidthType, P.PCLT_P_WidthType, m_tag, WidthType.ToString());
}
else
{
v.Error(T.PCLT_WidthType, E.PCLT_E_WidthType, m_tag, WidthType.ToString());
bRet = false;
}
}
if (v.PerformTest(T.PCLT_SerifStyle))
{
uint bot6 = (uint)SerifStyle & 0x3f;
uint top2 = (uint)SerifStyle>>6;
bool bBitsOk = true;
if (bot6 > 12)
{
v.Error(T.PCLT_SerifStyle, E.PCLT_E_Bottom6, m_tag, "0x"+SerifStyle.ToString("x2"));
bBitsOk = false;
bRet = false;
}
if (top2 == 0 || top2 == 3)
{
v.Error(T.PCLT_SerifStyle, E.PCLT_E_Top2, m_tag);
bBitsOk = false;
bRet = false;
}
if (bBitsOk)
{
v.Pass(T.PCLT_SerifStyle, P.PCLT_P_SerifStyle, m_tag);
}
}
if (v.PerformTest(T.PCLT_Reserved))
{
if (Reserved == 0)
{
v.Pass(T.PCLT_Reserved, P.PCLT_P_Reserved, m_tag);
}
else
{
v.Error(T.PCLT_Reserved, E.PCLT_E_Reserved, m_tag, Reserved.ToString());
bRet = false;
}
}
return bRet;
}
/************************
* public methods
*/
public bool Validate(Validator v, OTFontVal fontOwner)
{
bool bRet = true;
v.Info(T.T_NULL, I.CFF_I_Version, m_tag, major + "." + minor);
if (major == 1 && minor == 0 && hdrSize == 4)
{
v.Pass(T.CFF_Header, P.CFF_P_Header, m_tag);
}
else
{
v.Error(T.CFF_Header, E.CFF_E_Header, m_tag,
"major=" + major + ", minor=" + minor + ", hdrSize=" + hdrSize + ", offSize=" + offSize);
}
try
{
v.Pass(T.CFF_MAININDEX_Enumeration, P.CFF_P_MAININDEX_Enumeration, m_tag,
"Name=" + Name.count + ", TopDICT=" + TopDICT.count + ", String=" + String.count + ", GlobalSubr=" + GlobalSubr.count);
}
catch (Exception e)
{
v.Error(T.CFF_MAININDEX_Enumeration, E.CFF_E_MAININDEX_Enumeration, m_tag,
e.Message);
return(false);
}
if (Name.count == TopDICT.count && TopDICT.count == 1)
{
v.Pass(T.CFF_NameDICTSize, P.CFF_P_NameDICTSize, m_tag);
}
else
{
v.Error(T.CFF_NameDICTSize, E.CFF_E_NameDICTSize, m_tag,
"Name=" + Name.count + ", TopDICT=" + TopDICT.count);
}
if (Name.GetOffset(0) != 1)
{
v.Warning(T.CFF_INDEXFirstOffset, W.CFF_W_INDEXFirstOffset, m_tag, "Name=" + Name.GetOffset(0));
}
if (TopDICT.GetOffset(0) != 1)
{
v.Warning(T.CFF_INDEXFirstOffset, W.CFF_W_INDEXFirstOffset, m_tag, "TopDICT=" + TopDICT.GetOffset(0));
}
if (String.GetOffset(0) != 1)
{
v.Warning(T.CFF_INDEXFirstOffset, W.CFF_W_INDEXFirstOffset, m_tag, "String=" + String.GetOffset(0));
}
if (GlobalSubr.GetOffset(0) != 1)
{
v.Warning(T.CFF_INDEXFirstOffset, W.CFF_W_INDEXFirstOffset, m_tag, "GlobalSubr=" + GlobalSubr.GetOffset(0));
}
var overlap = new DataOverlapDetector();
if (!overlap.CheckForNoOverlap(0, hdrSize))
{
v.Error(T.CFF_StructOverlap, E.CFF_E_StructOverlap, m_tag, "hdrSize");
}
if (!overlap.CheckForNoOverlap(Name.begin, Name.size))
{
v.Error(T.CFF_StructOverlap, E.CFF_E_StructOverlap, m_tag, "Name");
}
if (!overlap.CheckForNoOverlap(TopDICT.begin, TopDICT.size))
{
v.Error(T.CFF_StructOverlap, E.CFF_E_StructOverlap, m_tag, "TopDICT");
}
if (!overlap.CheckForNoOverlap(String.begin, String.size))
{
v.Error(T.CFF_StructOverlap, E.CFF_E_StructOverlap, m_tag, "String");
}
if (!overlap.CheckForNoOverlap(GlobalSubr.begin, GlobalSubr.size))
{
v.Error(T.CFF_StructOverlap, E.CFF_E_StructOverlap, m_tag, "GlobalSubr");
}
try
{
for (uint i = 0; i < Name.count; i++)
{
var name = Name.GetString(i);
}
v.Pass(T.CFF_Non_ASCII_String_or_Name, P.CFF_P_Non_ASCII_String_or_Name, m_tag, "Name INDEX");
}
catch (DecoderFallbackException)
{
v.Error(T.CFF_Non_ASCII_String_or_Name, E.CFF_E_Non_ASCII_String_or_Name, m_tag, "Name INDEX");
}
try{
for (uint i = 0; i < String.count; i++)
{
var a = String.GetString(i);
}
v.Pass(T.CFF_Non_ASCII_String_or_Name, P.CFF_P_Non_ASCII_String_or_Name, m_tag, "String INDEX");
}
catch (DecoderFallbackException)
{
v.Error(T.CFF_Non_ASCII_String_or_Name, E.CFF_E_Non_ASCII_String_or_Name, m_tag, "String INDEX");
}
for (uint iDICT = 0; iDICT < TopDICT.count; iDICT++)
{
Table_CFF.DICTData curTopDICT = null;
try
{
curTopDICT = GetTopDICT(iDICT);
v.Pass(T.CFF_DICTUnwind, P.CFF_P_DICTUnwind, m_tag, curTopDICT.FullName);
if (!overlap.CheckForNoOverlap((uint)curTopDICT.offsetPrivate, (uint)curTopDICT.sizePrivate))
{
v.Error(T.CFF_StructOverlap, E.CFF_E_StructOverlap, m_tag, "TopDICTPriv");
}
}
catch (Exception e)
{
v.Error(T.CFF_DICTUnwind, E.CFF_E_DICTUnwind, m_tag, "TopDICT: " + e.Message);
}
Table_CFF.DICTData topPrivateDict = null;
try
{
topPrivateDict = GetPrivate(curTopDICT);
v.Pass(T.CFF_PrivDICTUnwind, P.CFF_P_PrivDICTUnwind, m_tag, "topPrivateDict");
}
catch (Exception e)
{
v.Error(T.CFF_PrivDICTUnwind, E.CFF_E_PrivDICTUnwind, m_tag, "topPrivateDict: " + e.Message);
}
if (topPrivateDict != null && topPrivateDict.Subrs != 0)
{
try
{
Table_CFF.INDEXData topPrivSubrs = GetINDEX(curTopDICT.offsetPrivate + topPrivateDict.Subrs);
v.Pass(T.CFF_INDEXCount, P.CFF_P_INDEXCount, m_tag, "topPrivSubrs: " + topPrivSubrs.count);
if (topPrivSubrs.GetOffset(0) != 1)
{
v.Warning(T.CFF_INDEXFirstOffset, W.CFF_W_INDEXFirstOffset, m_tag, "topPrivSubrs=" + topPrivSubrs.GetOffset(0));
}
if (!overlap.CheckForNoOverlap(topPrivSubrs.begin, topPrivSubrs.size))
{
v.Error(T.CFF_StructOverlap, E.CFF_E_StructOverlap, m_tag, "topPrivSubrs");
}
}
catch (Exception e)
{
v.Error(T.CFF_INDEXCount, E.CFF_E_INDEXCount, m_tag, "topPrivSubrs: " + e.Message);
}
}
Table_CFF.INDEXData CharStrings = null;
try
{
CharStrings = GetINDEX(curTopDICT.offsetCharStrings);
v.Pass(T.CFF_INDEXCount, P.CFF_P_INDEXCount, m_tag, "CharStrings: " + CharStrings.count);
if (CharStrings.GetOffset(0) != 1)
{
v.Warning(T.CFF_INDEXFirstOffset, W.CFF_W_INDEXFirstOffset, m_tag, "CharStrings=" + CharStrings.GetOffset(0));
}
if (!overlap.CheckForNoOverlap(CharStrings.begin, CharStrings.size))
{
v.Error(T.CFF_StructOverlap, E.CFF_E_StructOverlap, m_tag, "CharStrings");
}
}
catch (Exception e)
{
v.Error(T.CFF_INDEXCount, E.CFF_E_INDEXCount, m_tag, "CharStrings: " + e.Message);
}
if (CharStrings.count == fontOwner.GetMaxpNumGlyphs())
{
v.Pass(T.CFF_CharStringsCount, P.CFF_P_CharStringsCount, m_tag);
}
else
{
v.Error(T.CFF_CharStringsCount, E.CFF_E_CharStringsCount, m_tag,
CharStrings.count.ToString() + "!=" + fontOwner.GetMaxpNumGlyphs());
}
if (curTopDICT.ROS != null)
{
v.Info(T.CFF_CIDROS, I.CFF_I_CIDROS, m_tag, curTopDICT.ROS);
}
if (curTopDICT.offsetFDArray > 0)
{
Table_CFF.INDEXData FDArray = null;
try {
FDArray = GetINDEX(curTopDICT.offsetFDArray);
v.Pass(T.CFF_INDEXCount, P.CFF_P_INDEXCount, m_tag, "FDArray: " + FDArray.count);
if (FDArray.GetOffset(0) != 1)
{
v.Warning(T.CFF_INDEXFirstOffset, W.CFF_W_INDEXFirstOffset, m_tag, "FDArray=" + FDArray.GetOffset(0));
}
if (!overlap.CheckForNoOverlap(FDArray.begin, FDArray.size))
{
v.Error(T.CFF_StructOverlap, E.CFF_E_StructOverlap, m_tag, "FDArray");
}
}
catch (Exception e)
{
v.Error(T.CFF_INDEXCount, E.CFF_E_INDEXCount, m_tag, "FDArray: " + e.Message);
}
for (uint i = 0; i < FDArray.count; i++)
{
Table_CFF.DICTData FDict = null;
try
{
FDict = GetDICT(FDArray.GetData(i));
v.Pass(T.CFF_DICTUnwind, P.CFF_P_DICTUnwind, m_tag, "CID FontDict #" + i + ": " + FDict.FontName);
if (!overlap.CheckForNoOverlap((uint)FDict.offsetPrivate, (uint)FDict.sizePrivate))
{
v.Error(T.CFF_StructOverlap, E.CFF_E_StructOverlap, m_tag, "FDictPriv#" + i);
}
}
catch (Exception e)
{
v.Error(T.CFF_DICTUnwind, E.CFF_E_DICTUnwind, m_tag, "CID FontDict #" + i + ": " + e.Message);
}
Table_CFF.DICTData FDictPrivate = null;
try
{
FDictPrivate = GetPrivate(FDict);
v.Pass(T.CFF_PrivDICTUnwind, P.CFF_P_PrivDICTUnwind, m_tag, "CID FontDict Private DICT#" + i);
}
catch (Exception e)
{
v.Error(T.CFF_PrivDICTUnwind, E.CFF_E_PrivDICTUnwind, m_tag, "CID FontDict Private DICT#" + i + ": " + e.Message);
}
if (FDictPrivate != null && FDictPrivate.Subrs != 0)
{
Table_CFF.INDEXData PrivSubrs = null;
try
{
PrivSubrs = GetINDEX(FDict.offsetPrivate + FDictPrivate.Subrs);
v.Pass(T.CFF_INDEXCount, P.CFF_P_INDEXCount, m_tag, "PrivSubrs#" + i + ": " + PrivSubrs.count);
if (PrivSubrs.GetOffset(0) != 1)
{
v.Warning(T.CFF_INDEXFirstOffset, W.CFF_W_INDEXFirstOffset, m_tag,
"PrivSubrs#" + i + "=" + PrivSubrs.GetOffset(0));
}
if (!overlap.CheckForNoOverlap(PrivSubrs.begin, PrivSubrs.size))
{
v.Error(T.CFF_StructOverlap, E.CFF_E_StructOverlap, m_tag, "PrivSubrs#" + i);
}
;
}
catch (Exception e)
{
v.Error(T.CFF_INDEXCount, E.CFF_E_INDEXCount, m_tag, "PrivSubrs#" + i + ": " + e.Message);
}
}
}
}
string result = "Tested Region: " + overlap.Occupied + " of " + GetLength() + ", not testing" +
(curTopDICT.offsetCharset == 0 ? "" : " Charset: " + curTopDICT.offsetCharset) +
(curTopDICT.offsetEncoding == 0 ? "" : " Encoding: " + curTopDICT.offsetEncoding) +
(curTopDICT.offsetFDSelect == 0 ? "" : " FDSelect: " + curTopDICT.offsetFDSelect);
v.Info(T.CFF_TestCoverage, I.CFF_I_NotValidated, m_tag, result);
}
return(bRet);
}
public bool Validate( Validator v,
OTTable table,
ushort numGlyphs,
String sIdentity )
{
bool bRet = true;
m_v = v;
m_table = table;
m_sIdentity = sIdentity;
m_numGlyphs = numGlyphs;
List<VarSelectorRecord> recs = new List<VarSelectorRecord>();
// Find the offset of the start of the Default and
// Non-Default UVS tables to make sure that
// everything the offsets point to is within the table
// area.
const uint f14HeaderLength = 10; // USHORT, ULONG, ULONG
const uint varSelRecLength = 11; // UINT24, ULONG, ULONG
uint dataStart = f14HeaderLength +
( NumVarSelectorRecs * varSelRecLength );
// Fill in recs while we are at it.
bool bLengthsOk = CheckLengths( dataStart, recs );
bRet = bLengthsOk;
if ( !bLengthsOk ) {
string unable = "Unable to perform more tests";
// Is the 2nd arg correct?
v.Warning( T.T_NULL, W._TEST_W_OtherErrorsInTable,
m_table.m_tag, unable + SDetails() );
goto Finish;
}
// We now know that all the tables are within the data area,
// that is, from dataStart to the end of the subtable. Now
// we about overlapping and non-packed tables.
bool bOverlapsOk = CheckOverlaps( dataStart, recs );
if ( !bOverlapsOk ) {
bRet = false;
string unable = "Unable to perform more tests";
// Is the 2nd arg correct?
v.Warning( T.T_NULL, W._TEST_W_OtherErrorsInTable,
m_table.m_tag, unable + SDetails() );
goto Finish;
}
// Check that all values in offset tables are legal
bRet = CheckLegalValues( recs );
Finish:
return bRet;
}
protected bool CheckForNoUnnecessaryTables(Validator v)
{
bool bRet = true;
bool bFoundUnnecessary = false;
Table_hmtx hmtxTable = (Table_hmtx)GetTable("hmtx");
if (hmtxTable != null)
{
if (hmtxTable.IsMonospace(this))
{
if (GetDirectoryEntry("hdmx") != null)
{
v.Warning(T.T_NULL, W._FONT_W_UnnecessaryTable, null, "hdmx table not needed for monospaced font");
bFoundUnnecessary = true;
}
if (GetDirectoryEntry("LTSH") != null)
{
v.Warning(T.T_NULL, W._FONT_W_UnnecessaryTable, null, "LTSH table not needed for monospaced font");
bFoundUnnecessary = true;
}
if (GetDirectoryEntry("kern") != null)
{
v.Warning(T.T_NULL, W._FONT_W_UnnecessaryTable, null, "kern table not needed for monospaced font");
bFoundUnnecessary = true;
}
}
if (GetDirectoryEntry("CFF ") == null && GetDirectoryEntry("VORG") != null)
{
v.Warning(T.T_NULL, W._FONT_W_UnnecessaryTable, null, "VORG table not needed, it may optionally be present for fonts with Postscript outlines");
bFoundUnnecessary = true;
}
if (GetDirectoryEntry("PCLT") != null)
{
v.Warning(T.T_NULL, W._FONT_W_UnnecessaryTable, null, "PCLT table not needed, Microsoft no longer recommends including this table");
bFoundUnnecessary = true;
}
}
if (GetDirectoryEntry("CFF ") != null)
{
string [] UnnecessaryTables = {"glyf", "fpgm", "cvt ", "loca", "prep"};
for (int i=0; i<UnnecessaryTables.Length; i++)
{
if (GetDirectoryEntry(UnnecessaryTables[i]) != null)
{
v.Warning(T.T_NULL, W._FONT_W_UnnecessaryTable, null, UnnecessaryTables[i] + " not needed since the font contains a 'CFF ' table");
bFoundUnnecessary = true;
}
}
}
if (GetDirectoryEntry("glyf") != null)
{
if (GetDirectoryEntry("CFF ") != null)
{
v.Warning(T.T_NULL, W._FONT_W_UnnecessaryTable, null, "CFF not needed since the font contains a 'CFF ' table");
bFoundUnnecessary = true;
}
}
if (ContainsLatinOnly())
{
if (GetDirectoryEntry("vhea") != null)
{
v.Warning(T.T_NULL, W._FONT_W_UnnecessaryTable, null, "vhea not needed since the font only contains Latin characters");
bFoundUnnecessary = true;
}
if (GetDirectoryEntry("vmtx") != null)
{
v.Warning(T.T_NULL, W._FONT_W_UnnecessaryTable, null, "vmtx not needed since the font only contains Latin characters");
bFoundUnnecessary = true;
}
}
if (!bFoundUnnecessary)
{
v.Pass(P._FONT_P_UnnecessaryTable, null);
}
return bRet;
}
/************************
* public methods
*/
public bool Validate(Validator v, OTFontVal fontOwner)
{
bool bRet = true;
if (v.PerformTest(T.VDMX_Version))
{
if (version == 0 || version == 1)
{
v.Pass(T.VDMX_Version, P.VDMX_P_Version, m_tag, version.ToString());
}
else
{
v.Error(T.VDMX_Version, E.VDMX_E_Version, m_tag, version.ToString());
bRet = false;
}
}
if (v.PerformTest(T.VDMX_Offsets))
{
bool bOffsetsOk = true;
ushort minPossibleOffset = (ushort)((ushort)FieldOffsets.ratRange + numRatios * 4 + numRatios*2);
ushort maxPossibleOffset = (ushort)GetLength();
for (uint i=0; i<numRatios; i++)
{
ushort offset = GetVdmxGroupOffset(i);
if (offset < minPossibleOffset || offset > maxPossibleOffset)
{
v.Error(T.VDMX_Offsets, E.VDMX_E_InvalidOffset, m_tag, "#" + i + " offset = " + offset);
bOffsetsOk = false;
bRet = false;
}
}
if (bOffsetsOk)
{
v.Pass(T.VDMX_Offsets, P.VDMX_P_Offsets, m_tag);
}
}
if (v.PerformTest(T.VDMX_GroupsInTable))
{
bool bGroupsOk = true;
for (uint i=0; i<numRatios; i++)
{
Vdmx vdmx = GetVdmxGroup(i);
uint EndOffset = (uint)GetVdmxGroupOffset(i) + 4 + (uint)vdmx.recs*6;
if (EndOffset > GetLength())
{
v.Error(T.VDMX_GroupsInTable, E.VDMX_E_GroupsInTable, m_tag, "group# " + i);
bGroupsOk = false;
bRet = false;
}
}
if (bGroupsOk)
{
v.Pass(T.VDMX_GroupsInTable, P.VDMX_P_GroupsInTable, m_tag);
}
}
if (v.PerformTest(T.VDMX_CompareToCalcData))
{
bool bDataOk = true;
bool needtol = false;
RasterInterf.DevMetricsData dmd = null;
try
{
Version ver = fontOwner.GetFile().GetRasterizer().FTVersion;
if ( ver.CompareTo(new Version(2,6,1)) < 0 )
v.Warning(T.VDMX_CompareToCalcData, W.VDMX_W_Need_Newer_FreeType, m_tag,
"Using FreeType Version " + ver + " may not get correct results for VDMX");
dmd = fontOwner.GetCalculatedDevMetrics();
}
catch (InvalidOperationException e)
{
// JJF Figure out what to do. Changed to warning
v.Warning(T.VDMX_CompareToCalcData, W._TEST_W_ErrorInAnotherTable, m_tag, e.Message);
}
catch(Exception e)
{
v.ApplicationError(T.VDMX_CompareToCalcData, E._Table_E_Exception, m_tag, e.Message);
bRet = false;
}
if (dmd != null)
{
for (uint iRatio=0; iRatio<numRatios; iRatio++)
{
Ratios ratio = GetRatioRange(iRatio);
Vdmx group = GetVdmxGroup(iRatio);
for (uint iEntry=0; iEntry<group.recs; iEntry++)
{
Vdmx.vTable vTableEntry = group.GetEntry(iEntry);
if (vTableEntry.yPelHeight <= 255)
{
if (vTableEntry.yPelHeight == dmd.vdmxData.groups[iRatio].entry[vTableEntry.yPelHeight - group.startsz].yPelHeight)
{
if (vTableEntry.yMin != dmd.vdmxData.groups[iRatio].entry[iEntry].yMin
|| vTableEntry.yMax != dmd.vdmxData.groups[iRatio].entry[iEntry].yMax){
int dif = dmd.vdmxData.groups[iRatio].entry[iEntry].yMax - dmd.vdmxData.groups[iRatio].entry[iEntry].yMin;
if (!TestTolerance(dmd.vdmxData.groups[iRatio].entry[iEntry].yMin, vTableEntry.yMin, dif) ||
!TestTolerance(dmd.vdmxData.groups[iRatio].entry[iEntry].yMax, vTableEntry.yMax, dif))
{
String sDetails = "group[" + iRatio + "], entry[" + iEntry + "], yPelHeight = " + vTableEntry.yPelHeight +
", yMin,yMax = " + vTableEntry.yMin + "," + vTableEntry.yMax +
", calculated yMin,yMax = " + dmd.vdmxData.groups[iRatio].entry[iEntry].yMin + "," +
dmd.vdmxData.groups[iRatio].entry[iEntry].yMax;
v.Error(T.VDMX_CompareToCalcData, E.VDMX_E_CalcData, m_tag, sDetails);
bDataOk = false;
}
else
{
needtol = true;
}
}
/*
else
{
String s = "group[" + iRatio + "], yPelHeight = " + vTableEntry.yPelHeight + ", entry OK";
v.DebugMsg(s, m_tag);
}
*/
}
else
{
Debug.Assert(false);
}
}
else
{
String sDetails = "group[" + iRatio + "], entry[" + iEntry + "], yPelHeight = " + vTableEntry.yPelHeight;
v.Error(T.VDMX_CompareToCalcData, E.VDMX_E_yPelHeight_illegal, m_tag, sDetails);
bDataOk = false;
}
}
}
if (bDataOk)
{
if (needtol)
{
String sDetails = "The differences were smaller than the tolerance, so they may well be valid if the VDMX was hand-tuned";
v.Warning(T.VDMX_CompareToCalcData, W.VDMX_W_CalcData, m_tag, sDetails);
}
else
{
v.Pass(T.VDMX_CompareToCalcData, P.VDMX_P_CalcData, m_tag);
}
}
else
{
//v.Error(T.VDMX_CompareToCalcData, E.VDMX_E_CalcData, m_tag);
bRet = false;
}
}
else
{
// Rasterization could not occur for various reasons.
string s = "Unable to get calculated device metrics.";
v.Error(T.VDMX_CompareToCalcData, E.VDMX_E_CalcData, m_tag, s);
bDataOk = false;
bRet = false;
}
}
return bRet;
}
/************************
* public methods
*/
public bool Validate(Validator v, OTFontVal fontOwner)
{
bool bRet = true;
if (v.PerformTest(T.maxp_TableVersion))
{
uint val = TableVersionNumber.GetUint();
Table_CFF CFFTable = (Table_CFF)fontOwner.GetTable("CFF ");
Table_glyf glyfTable = (Table_glyf)fontOwner.GetTable("glyf");
if (val == 0x00005000)
{
if (CFFTable != null && glyfTable == null)
{
v.Pass(T.maxp_TableVersion, P.maxp_P_VERSION_0_5, m_tag);
}
else if (CFFTable == null)
{
v.Error(T.maxp_TableVersion, E.maxp_E_VERSION_0_5_NOCFF, m_tag);
bRet = false;
}
else if (glyfTable != null)
{
v.Error(T.maxp_TableVersion, E.maxp_E_VERSION_0_5_glyf, m_tag);
bRet = false;
}
}
else if (val == 0x00010000)
{
if (CFFTable == null && glyfTable != null)
{
v.Pass(T.maxp_TableVersion, P.maxp_P_VERSION_1_0, m_tag);
}
else if (glyfTable == null)
{
v.Error(T.maxp_TableVersion, E.maxp_E_VERSION_1_0_NOglyf, m_tag);
bRet = false;
}
else if (CFFTable != null)
{
v.Error(T.maxp_TableVersion, E.maxp_E_VERSION_1_0_CFF, m_tag);
bRet = false;
}
}
else
{
v.Error(T.maxp_TableVersion, E.maxp_E_VERSION_INVALID, m_tag, "0x" + val.ToString("x8"));
bRet = false;
}
}
if (v.PerformTest(T.maxp_TableLength))
{
uint val = TableVersionNumber.GetUint();
if (val == 0x00005000)
{
if (m_bufTable.GetLength() == 6)
{
v.Pass(T.maxp_TableLength, P.maxp_P_LENGTH_0_5, m_tag);
}
else
{
v.Error(T.maxp_TableLength, E.maxp_E_LENGTH_0_5, m_tag, m_bufTable.GetLength().ToString());
bRet = false;
}
}
else if (val == 0x00010000)
{
if (m_bufTable.GetLength() == 32)
{
v.Pass(T.maxp_TableLength, P.maxp_P_LENGTH_1_0, m_tag);
}
else
{
v.Error(T.maxp_TableLength, E.maxp_E_LENGTH_1_0, m_tag, m_bufTable.GetLength().ToString());
bRet = false;
}
}
}
if (v.PerformTest(T.maxp_NumGlyphsMatchLoca))
{
if (TableVersionNumber.GetUint() == 0x00010000)
{
Table_loca locaTable = (Table_loca)fontOwner.GetTable("loca");
if (locaTable != null)
{
// locaTable.NumEntry returns (-1) on failure
if (locaTable.NumEntry(fontOwner) == NumGlyphs + 1)
{
v.Pass(T.maxp_NumGlyphsMatchLoca, P.maxp_P_NumGlyphsMatchLoca, m_tag, "numGlyphs = " + NumGlyphs);
}
else
{
v.Error(T.maxp_NumGlyphsMatchLoca, E.maxp_E_NumGlyphsMatchLoca, m_tag, "numGlyphs = " + NumGlyphs);
bRet = false;
}
}
else
{
v.Error(T.maxp_NumGlyphsMatchLoca, E._TEST_E_TableMissing, m_tag, "loca");
bRet = false;
}
}
else
{
v.Info(T.maxp_NumGlyphsMatchLoca, I._TEST_I_TableVersion, m_tag, "test = maxp_NumGlyphsMatchLoca");
}
}
if (v.PerformTest(T.maxp_GlyphStats))
{
if (TableVersionNumber.GetUint() == 0x00010000)
{
Table_glyf glyfTable = (Table_glyf)fontOwner.GetTable("glyf");
if (glyfTable == null)
{
v.Error(T.maxp_GlyphStats, E._TEST_E_TableMissing, m_tag, "glyf");
bRet = false;
}
else
{
bool bGlyphStatsOk = true;
if (ComputeMaxpStats(glyfTable, fontOwner))
{
if (maxPoints != maxPointsCalc)
{
String sDetails = "maxPoints = " + maxPoints + ", calculated = " + maxPointsCalc;
v.Error(T.maxp_GlyphStats, E.maxp_E_Calculation, m_tag, sDetails);
bRet = false;
bGlyphStatsOk = false;
}
if (maxContours != maxContoursCalc)
{
String sDetails = "maxContours = " + maxContours + ", calculated = " + maxContoursCalc;
v.Error(T.maxp_GlyphStats, E.maxp_E_Calculation, m_tag, sDetails);
bRet = false;
bGlyphStatsOk = false;
}
if (maxCompositePoints != maxCompositePointsCalc)
{
String sDetails = "maxCompositePoints = " + maxCompositePoints + ", calculated = " + maxCompositePointsCalc;
v.Error(T.maxp_GlyphStats, E.maxp_E_Calculation, m_tag, sDetails);
bRet = false;
bGlyphStatsOk = false;
}
if (maxCompositeContours != maxCompositeContoursCalc)
{
String sDetails = "maxCompositeContours = " + maxCompositeContours + ", calculated = " + maxCompositeContoursCalc;
v.Error(T.maxp_GlyphStats, E.maxp_E_Calculation, m_tag, sDetails);
bRet = false;
bGlyphStatsOk = false;
}
// Bug 2168.
// Case 1: Same as max size from glyf table. Info.
// Case 2: Same as max size from glyf table +
// size(fpgm) + size(prep). Info message.
// Case 3: Smaller than max size from glyf table.
// Error
// Case 4: Neither 1 nor 2. Warning.
DirectoryEntry dePrep =
fontOwner.GetDirectoryEntry("prep");
uint prepLength = 0;
if (null != dePrep)
{
prepLength = dePrep.length;
}
DirectoryEntry deFpgm =
fontOwner.GetDirectoryEntry("fpgm");
uint fpgmLength = 0;
if (null != deFpgm)
{
fpgmLength = deFpgm.length;
}
if (maxSizeOfInstructions ==
maxSizeOfInstructionsCalc)
{
// Case 1:
String sDetails = "maxSizeOfInstructions=" +
maxSizeOfInstructions + ", computed " +
"from the glyf table";
v.Info(T.maxp_GlyphStats,
I.maxp_I_Calculation_Method1,
m_tag, sDetails);
}
else if (maxSizeOfInstructions ==
(maxSizeOfInstructionsCalc +
prepLength + fpgmLength))
{
// Case 2:
String sDetails =
"maxp maxSizeOfInstructions is " +
maxSizeOfInstructions + ", which is " +
"glyf maxSizeOfInstructions (" +
maxSizeOfInstructionsCalc +
") + prep size (" + prepLength +
") + fpgm size (" + fpgmLength + ")";
v.Info(T.maxp_GlyphStats,
I.maxp_I_Calculation_Method2,
m_tag, sDetails);
}
else if (maxSizeOfInstructions <
maxSizeOfInstructionsCalc)
{
// Case 3
String sDetails =
"maxp maxSizeOfInstructions is " +
maxSizeOfInstructions +
", which is smaller than the " +
"size of instuctions (" +
maxSizeOfInstructionsCalc + ") found" +
" for some glyph in the glyf table.";
v.Error(T.maxp_GlyphStats,
E.maxp_E_Calculation, m_tag,
sDetails);
bRet = false;
}
else
{
// Case 4
String sDetails =
"glyf maxSizeOfInstructions=" +
maxSizeOfInstructionsCalc +
", prep size=" + prepLength +
", fpgm size=" + fpgmLength +
", whereas maxp maxSizeOfInstruction " +
"is " + maxSizeOfInstructions;
v.Warning(T.maxp_GlyphStats,
W.maxp_W_Calculation_Unclear,
m_tag,
sDetails);
bGlyphStatsOk = false;
}
if (maxComponentElements != maxComponentElementsCalc)
{
String sDetails = "maxComponentElements = " + maxComponentElements + ", calculated = " + maxComponentElementsCalc;
v.Error(T.maxp_GlyphStats, E.maxp_E_Calculation, m_tag, sDetails);
bRet = false;
bGlyphStatsOk = false;
}
if (maxComponentDepth != maxComponentDepthCalc)
{
String sDetails = "maxComponentDepth = " + maxComponentDepth + ", calculated = " + maxComponentDepthCalc;
v.Error(T.maxp_GlyphStats, E.maxp_E_Calculation, m_tag, sDetails);
bRet = false;
bGlyphStatsOk = false;
}
if (bGlyphStatsOk)
{
v.Pass(T.maxp_GlyphStats, P.maxp_P_Calculation, m_tag);
}
}
else
{
v.Warning(T.maxp_GlyphStats, W._TEST_W_ErrorInAnotherTable, m_tag, "Errors in the glyf table are preventing validation of maxPoints, maxContours, maxCompositePoints, maxCompositeContours, maxSizeofInstructions, maxComponentElements, and maxComponentDepth");
}
}
}
else
{
v.Info(T.maxp_GlyphStats, I._TEST_I_TableVersion, m_tag, "test = maxp_GlyphStats");
}
}
return(bRet);
}
