/************************
* 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 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.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);
}
