/************************
* 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);
v.Info(I.CFF_I_NotValidated, m_tag);
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);
v.Info(I.CFF_I_NotValidated, m_tag);
return bRet;
}
public bool Validate(Validator v, string sIdentity, OTTable table)
{
bool bRet = true;
bRet &= ((val_GDEF)table).ValidateNoOverlap(m_offsetMarkGlyphSetsDefTable, CalcLength(), v, sIdentity, table.GetTag());
if (MarkSetTableFormat != 1)
{
v.Error(T.T_NULL, E.GDEF_E_MarkSetTableFormat, table.m_tag,
sIdentity + ": MarkSetTableFormat=" + MarkSetTableFormat.ToString());
bRet = false;
}
if (m_offsetMarkGlyphSetsDefTable + CalcLength() > m_bufTable.GetLength())
{
v.Error(T.T_NULL, E.GDEF_E_MarkGlyphSetsDefTable_PastEOT, table.m_tag, sIdentity);
bRet = false;
}
v.Info(T.T_NULL, I.GDEF_I_MarkSetCount, table.m_tag, sIdentity + ": MarkSetCount=" + MarkSetCount);
// TODO: check Coverage [MarkSetCount] array?
if (bRet)
{
v.Pass(T.T_NULL, P.GDEF_P_MarkGlyphSetsDefTable, table.m_tag, sIdentity);
}
return bRet;
}
/************************
* public methods
*/
public bool Validate(Validator v, OTFontVal fontOwner)
{
bool bRet = true;
v.Info(I.fpgm_I_NotValidated, m_tag);
return(bRet);
}
/************************
* public methods
*/
public bool Validate(Validator v, OTFontVal fontOwner)
{
bool bRet = true;
v.Info(I.fpgm_I_NotValidated, 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);
}
/************************
* public methods
*/
public bool Validate(Validator v, OTFontVal fontOwner)
{
string sDetails = "";
string [] Apple_Tables =
{
"acnt", "avar", "bdat", "bhed", "bloc", "bsln", "cmap", "cvar", "cvt ",
"EBSC", "fdsc", "feat", "fmtx", "fpgm", "gasp", "glyf", "gvar", "hdmx",
"head", "hhea", "hmtx", "hsty", "just", "kern", "lcar", "loca", "maxp",
"mort", "morx", "name", "opbd", "OS/2", "post", "prep", "prop", "trak",
"vhea", "vmtx", "Zapf"
};
string [] VOLT_only_Tables =
{
"TSIV"
};
string [] VOLT_VTT_shared_Tables =
{
"TSIS", "TSIP", "TSID"
};
string [] VTT_only_Tables =
{
"TSI0", "TSI1", "TSI2", "TSI3", "TSI4", "TSI5" ,"TSIJ", "TSIB"
};
bool bIdentified = false;
for (int i=0; i<Apple_Tables.Length; i++)
{
if (Apple_Tables[i] == (string)m_tag)
{
sDetails = "This table type is defined in the Apple TrueType spec.";
bIdentified = true;
}
}
if (!bIdentified)
{
for (int i=0; i<VOLT_only_Tables.Length; i++)
{
if (VOLT_only_Tables[i] == (string)m_tag)
{
sDetails = "This table type is used by the VOLT tool.";
bIdentified = true;
}
}
}
if (!bIdentified)
{
for (int i=0; i<VOLT_VTT_shared_Tables.Length; i++)
{
if (VOLT_VTT_shared_Tables[i] == (string)m_tag)
{
sDetails = "This table type is used by the VOLT tool and the VTT tool.";
bIdentified = true;
}
}
}
if (!bIdentified)
{
for (int i=0; i<VTT_only_Tables.Length; i++)
{
if (VTT_only_Tables[i] == (string)m_tag)
{
sDetails = "This table type is used by the VTT tool.";
bIdentified = true;
}
}
}
v.Info(T.T_NULL, I._Table_I_Non_OT_Table, m_tag, sDetails);
// Since there is no way to do any validation on unknown tables
// always return true
return true;
}
public bool Validate(Validator validator, OTFontVal fontOwner)
{
bool bRet = true;
if (!validator.PerformTest(T.glyf_ValidateAll))
{
return(true);
}
if (fontOwner.GetFile().IsCollection())
{
if (fontOwner.GetFontIndexInFile() > 0)
{
// checksum not matching data is covered by check elsewhere. Assume they match.
DirectoryEntry de_glyf = fontOwner.GetDirectoryEntry("glyf");
for (uint i = 0; i < fontOwner.GetFontIndexInFile(); i++)
{
if (fontOwner.GetFile().GetFont(i).GetDirectoryEntry("glyf").checkSum
== de_glyf.checkSum)
{
validator.Info(T.T_NULL, I.glyf_I_IDENTICAL_GLYF_TABLES_IN_TTC, m_tag);
return(true);
}
}
}
}
this.m_diaValidate = validator.DIA;
this.m_cnts = new int[this.m_namesInfoCnt.Length];
for (int iCnt = 0; iCnt < this.m_cnts.Length; iCnt++)
{
this.m_cnts[iCnt] = 0;
}
I_IOGlyphsFile i_IOGlyphs = new I_IOGlyphsFile();
if (!i_IOGlyphs.Initialize(fontOwner, validator))
{
return(false); // the error is already reported
}
DIAction diaFilter =
DIActionBuilder.DIA(this, "DIAFunc_Filter");
FManager fm = new FManager(i_IOGlyphs, null, null);
int numGlyph = fm.FNumGlyph;
int indGlyph;
for (indGlyph = 0; indGlyph < numGlyph; indGlyph++)
{
try
{
if ((indGlyph % 100) == 0)
{
validator.OnTableProgress("Validating glyph with index " + indGlyph + " (out of " + numGlyph + " glyphs)");
}
Glyph glyph = fm.GGet(indGlyph);
glyph.GValidate();
bRet &= fm.GErrGetInformed(indGlyph, diaFilter);
fm.ClearManagementStructs();
}
catch
{
validator.Error(T.T_NULL, E.glyf_E_ExceptionUnhandeled, (OTTag)"glyf",
"Glyph index " + indGlyph);
}
if (validator.CancelFlag)
{
break;
}
}
i_IOGlyphs.Clear();
fm.ClearDestroy();
fm = null;
/*
* I_ProgressUpdater i_ProgressUpdater=new ValidationCancel(validator);
*
* FManager fm=new FManager(i_IOGlyphs, null, null);
* DIAction diaFilter=
* DIActionBuilder.DIA(this,"DIAFunc_Filter");
*
* fm.GErrActionAdd(diaFilter,
* FManager.TypeActionOnErr.onAdd);
*
*
* fm.FValidate(GConsts.IND_UNINITIALIZED,
* GConsts.IND_UNINITIALIZED);
*
* i_IOGlyphs.Clear();
* i_ProgressUpdater.Clear();
* fm.ClearDestroy();
* fm=null;
*/
for (int iCnt = 0; iCnt < this.m_cnts.Length; iCnt++)
{
if (this.m_cnts[iCnt] > 0)
{
bool isGErr = this.m_namesInfoCnt[iCnt].StartsWith("GERR_");
string nameFileErr = isGErr? GErrConsts.FILE_RES_GERR_STRINGS: GErrConsts.FILE_RES_OTFFERR_STRINGS;
string nameAsmFileErr = isGErr? GErrConsts.ASM_RES_GERR_STRINGS: GErrConsts.ASM_RES_OTFFERR_STRINGS;
string strDetails = "Number of glyphs with the warning = " + this.m_cnts[iCnt];
if (validator.CancelFlag)
{
strDetails += " (Validation cancelled)";
}
ValInfoBasic info = new ValInfoBasic(
ValInfoBasic.ValInfoType.Warning,
this.m_namesInfoCnt[iCnt],
strDetails,
nameFileErr,
nameAsmFileErr,
"glyf",
null);
validator.DIA(info);
}
}
this.m_cnts = null;
return(bRet);
}
/************************
* 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.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 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)
{
string sDetails = "";
string [] Apple_Tables =
{
"acnt", "avar", "bdat", "bhed", "bloc", "bsln", "cmap", "cvar", "cvt ",
"EBSC", "fdsc", "feat", "fmtx", "fpgm", "gasp", "glyf", "gvar", "hdmx",
"head", "hhea", "hmtx", "hsty", "just", "kern", "lcar", "loca", "maxp",
"mort", "morx", "name", "opbd", "OS/2", "post", "prep", "prop", "trak",
"vhea", "vmtx", "Zapf"
};
string [] VOLT_only_Tables =
{
"TSIV"
};
string [] VOLT_VTT_shared_Tables =
{
"TSIS", "TSIP", "TSID"
};
string [] VTT_only_Tables =
{
"TSI0", "TSI1", "TSI2", "TSI3", "TSI4", "TSI5", "TSIJ", "TSIB"
};
bool bIdentified = false;
for (int i = 0; i < Apple_Tables.Length; i++)
{
if (Apple_Tables[i] == (string)m_tag)
{
sDetails = "This table type is defined in the Apple TrueType spec.";
bIdentified = true;
}
}
if (!bIdentified)
{
for (int i = 0; i < VOLT_only_Tables.Length; i++)
{
if (VOLT_only_Tables[i] == (string)m_tag)
{
sDetails = "This table type is used by the VOLT tool.";
bIdentified = true;
}
}
}
if (!bIdentified)
{
for (int i = 0; i < VOLT_VTT_shared_Tables.Length; i++)
{
if (VOLT_VTT_shared_Tables[i] == (string)m_tag)
{
sDetails = "This table type is used by the VOLT tool and the VTT tool.";
bIdentified = true;
}
}
}
if (!bIdentified)
{
for (int i = 0; i < VTT_only_Tables.Length; i++)
{
if (VTT_only_Tables[i] == (string)m_tag)
{
sDetails = "This table type is used by the VTT tool.";
bIdentified = true;
}
}
}
v.Info(T.T_NULL, I._Table_I_Non_OT_Table, m_tag, sDetails);
// Since there is no way to do any validation on unknown tables
// always return true
return(true);
}
/*****************
* 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.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;
}
private bool CheckNames( Validator v,
OTFontVal fontOwner,
PostNames pn,
uint iGlyph,
uint index )
{
bool bNamesOk = true;
string sName = GetNameString(index-258);
System.Globalization.NumberStyles hexStyle =
System.Globalization.NumberStyles.HexNumber;
if (Is_uniXXXX(sName))
{
char c = (char)Int16.Parse(sName.Substring(3, 4), hexStyle );
if (fontOwner.FastMapUnicodeToGlyphID(c) != iGlyph)
{
char cMapped = fontOwner.MapGlyphIDToUnicode(iGlyph,(char)0);
string s = "glyph = " + iGlyph +
", char = U+" +
((uint)cMapped).ToString("X4")
+ ", name = " + sName;
v.Info(T.post_v2_names,
I.post_I_names_uni_unexpected,
m_tag, s);
bNamesOk = false;
}
}
else if (Is_uXXXXX(sName))
{
uint c = (uint)Int32.Parse(sName.Substring(1), hexStyle );
if (c < 0xffff)
{
if (fontOwner.FastMapUnicodeToGlyphID((char)c) != iGlyph)
{
char cMapped = fontOwner.MapGlyphIDToUnicode(iGlyph,
(char)0);
string s = "glyph = " + iGlyph + ", char = U+" +
((uint)cMapped).ToString("X4") + ", name = " + sName;
v.Info(T.post_v2_names, I.post_I_names_uni_unexpected,
m_tag, s);
bNamesOk = false;
}
}
else
{
if (fontOwner.FastMapUnicode32ToGlyphID(c) != iGlyph)
{
uint cMapped =
fontOwner.MapGlyphIDToUnicode32(iGlyph, 0);
string s = "glyph = " + iGlyph + ", char = U+" +
((uint)cMapped).ToString("X5") + ", name = " + sName;
v.Info(T.post_v2_names, I.post_I_names_uni_unexpected,
m_tag, s);
bNamesOk = false;
}
}
}
else
{
// check the Adobe Glyph Names
char c = (char)fontOwner.MapGlyphIDToUnicode(iGlyph, (char)0);
if (c != 0xffff)
{
string sAdobeName = pn.GetAdobeGlyphName(c);
if (sAdobeName == null)
{
string s = "glyph = " + iGlyph + ", char = U+" +
((uint)c).ToString("X4") + ", name = " + sName;
v.Info(T.post_v2_names, I.post_I_names_noAdobe, m_tag,s);
bNamesOk = false;
}
else if (sName != sAdobeName)
{
string s = "glyph = " + iGlyph + ", char = U+" +
((uint)c).ToString("X4") + ", name = " + sName;
v.Info(T.post_v2_names, I.post_I_names_nomatch, m_tag,s);
bNamesOk = false;
}
}
}
return bNamesOk;
}
/************************
* 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 (fontOwner.GetFile().IsCollection())
{
if (fontOwner.GetFontIndexInFile() > 0)
{
// checksum not matching data is covered by check elsewhere. Assume they match.
DirectoryEntry de_EBDT = fontOwner.GetDirectoryEntry("EBDT");
for (uint i = 0; i < fontOwner.GetFontIndexInFile(); i++)
{
if (fontOwner.GetFile().GetFont(i).GetDirectoryEntry("EBDT").checkSum
== de_EBDT.checkSum)
{
v.Info(T.T_NULL, I.glyf_I_IDENTICAL_GLYF_TABLES_IN_TTC, m_tag);
return(true);
}
}
}
}
m_nCachedMaxpNumGlyphs = fontOwner.GetMaxpNumGlyphs();
if (v.PerformTest(T.EBDT_version))
{
if (version.GetUint() == 0x00020000 || version.GetUint() == 0x00030000)
{
v.Pass(T.EBDT_version, P.EBDT_P_version, m_tag);
}
else
{
v.Error(T.EBDT_version, E.EBDT_E_version, m_tag, "version = 0x" + version.GetUint().ToString("x8") + ", unable to continue validation");
return(false);
}
}
//TODO: check tag for EBDT v3, CBDT v2, bdat
if (v.PerformTest(T.EBDT_TableDependency))
{
Table_EBLC EBLCTable = (Table_EBLC)fontOwner.GetTable("EBLC");
if (EBLCTable != null)
{
v.Pass(T.EBDT_TableDependency, P.EBDT_P_TableDependency, m_tag);
}
else
{
v.Error(T.EBDT_TableDependency, E.EBDT_E_TableDependency, m_tag);
bRet = false;
}
}
// T.EBDT_GlyphImageData depends on T.EBDT_TableDependency passing.
if (v.PerformTest(T.EBDT_GlyphImageData))
{
bool bGlyphImageDataOk = true;
Table_EBLC EBLCTable = (Table_EBLC)fontOwner.GetTable("EBLC");
if (EBLCTable == null)
{
return(bRet); //failed the last test, not going on.
}
// for each bitmap size
for (uint i = 0; i < EBLCTable.numSizes; i++)
{
Table_EBLC.bitmapSizeTable bst = EBLCTable.GetBitmapSizeTable(i);
string sSize = "bitmapsize[" + i + "], ppemX=" + bst.ppemX + ", ppemY=" + bst.ppemY;
if (true)
{
for (uint j = 0; j < bst.numberOfIndexSubTables; j++)
{
Table_EBLC.indexSubTable ist = null;
Table_EBLC.indexSubTableArray ista_j = EBLCTable.GetIndexSubTableArray(bst, j);
if (ista_j != null)
{
ist = bst.GetIndexSubTable(ista_j);
}
if (ist != null)
{
string sID = sSize + ", indexSubTable[" + j + "](index fmt " + ist.header.indexFormat +
", image fmt " + ist.header.imageFormat + ")";
switch (ist.header.imageFormat)
{
case 1:
if (!Validate_Format1(v, sID, ist))
{
bGlyphImageDataOk = false;
bRet = false;
}
break;
case 2:
if (!Validate_Format2(v, sID, ist))
{
bGlyphImageDataOk = false;
bRet = false;
}
break;
case 3:
if (!Validate_Format3(v, sID, ist))
{
bGlyphImageDataOk = false;
bRet = false;
}
break;
case 4:
if (!Validate_Format4(v, sID, ist))
{
bGlyphImageDataOk = false;
bRet = false;
}
break;
case 5:
if (!Validate_Format5(v, sID, ist))
{
bGlyphImageDataOk = false;
bRet = false;
}
break;
case 6:
if (!Validate_Format6(v, sID, ist))
{
bGlyphImageDataOk = false;
bRet = false;
}
break;
case 7:
if (!Validate_Format7(v, sID, ist))
{
bGlyphImageDataOk = false;
bRet = false;
}
break;
case 8:
if (!Validate_Format8(v, sID, ist))
{
bGlyphImageDataOk = false;
bRet = false;
}
break;
case 9:
if (!Validate_Format9(v, sID, ist))
{
bGlyphImageDataOk = false;
bRet = false;
}
break;
case 17:
if (version.GetUint() != 0x00030000)
{
bGlyphImageDataOk = false;
bRet = false;
}
// TODO: adding 3 checks
break;
case 18:
if (version.GetUint() != 0x00030000)
{
bGlyphImageDataOk = false;
bRet = false;
}
// TODO: adding 3 checks
break;
case 19:
if (version.GetUint() != 0x00030000)
{
bGlyphImageDataOk = false;
bRet = false;
}
// TODO: adding 3 checks
break;
default:
// TODO: emit Unknown
break;
}
}
}
}
}
if (bGlyphImageDataOk)
{
v.Pass(T.EBDT_GlyphImageData, P.EBDT_P_GlyphImageData, m_tag);
}
}
return(bRet);
}
bool VerifyUnicodeRanges( Validator v,
uint ulUnicodeRange,
uint ulUnicodeRangeBit,
uint nCharsInRange,
string sRangeNames)
{
bool bRet = true;
if(nCharsInRange != 0)
{
if((ulUnicodeRange & ulUnicodeRangeBit) == 0)
{
v.Info(T.T_NULL, I.OS_2_I_RangeBitNotSet, m_tag, nCharsInRange + " characters are present in the ranges: " + sRangeNames);
}
}
else
{
if((ulUnicodeRange & ulUnicodeRangeBit) != 0)
{
v.Error(T.T_NULL, E.OS_2_E_RangeBitSet, m_tag, "No characters are present in the ranges: " + sRangeNames);
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 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.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.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 bool Validate(Validator v, string sIdentity, OTTable table)
{
bool bRet = true;
bRet &= ((val_GDEF)table).ValidateNoOverlap(m_offsetMarkGlyphSetsDefTable, CalcLength(), v, sIdentity, table.GetTag());
if (MarkSetTableFormat != 1)
{
v.Error(T.T_NULL, E.GDEF_E_MarkSetTableFormat, table.m_tag,
sIdentity + ": MarkSetTableFormat=" + MarkSetTableFormat.ToString());
bRet = false;
}
if (m_offsetMarkGlyphSetsDefTable + CalcLength() > m_bufTable.GetLength())
{
v.Error(T.T_NULL, E.GDEF_E_MarkGlyphSetsDefTable_PastEOT, table.m_tag, sIdentity);
bRet = false;
}
v.Info(T.T_NULL, I.GDEF_I_MarkSetCount, table.m_tag, sIdentity + ": MarkSetCount=" + MarkSetCount);
// TODO: check Coverage [MarkSetCount] array?
if (bRet)
{
v.Pass(T.T_NULL, P.GDEF_P_MarkGlyphSetsDefTable, table.m_tag, sIdentity);
}
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);
}
/************************
* 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 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);
}
private bool CheckNames(Validator v,
OTFontVal fontOwner,
PostNames pn,
uint iGlyph,
uint index)
{
bool bNamesOk = true;
string sName = GetNameString(index - 258);
System.Globalization.NumberStyles hexStyle =
System.Globalization.NumberStyles.HexNumber;
if (Is_uniXXXX(sName))
{
char c = (char)Int16.Parse(sName.Substring(3, 4), hexStyle);
if (fontOwner.FastMapUnicodeToGlyphID(c) != iGlyph)
{
char cMapped = fontOwner.MapGlyphIDToUnicode(iGlyph, (char)0);
string s = "glyph = " + iGlyph +
", char = U+" +
((uint)cMapped).ToString("X4")
+ ", name = " + sName;
v.Info(T.post_v2_names,
I.post_I_names_uni_unexpected,
m_tag, s);
bNamesOk = false;
}
}
else if (Is_uXXXXX(sName))
{
uint c = (uint)Int32.Parse(sName.Substring(1), hexStyle);
if (c < 0xffff)
{
if (fontOwner.FastMapUnicodeToGlyphID((char)c) != iGlyph)
{
char cMapped = fontOwner.MapGlyphIDToUnicode(iGlyph,
(char)0);
string s = "glyph = " + iGlyph + ", char = U+" +
((uint)cMapped).ToString("X4") + ", name = " + sName;
v.Info(T.post_v2_names, I.post_I_names_uni_unexpected,
m_tag, s);
bNamesOk = false;
}
}
else
{
if (fontOwner.FastMapUnicode32ToGlyphID(c) != iGlyph)
{
uint cMapped =
fontOwner.MapGlyphIDToUnicode32(iGlyph, 0);
string s = "glyph = " + iGlyph + ", char = U+" +
((uint)cMapped).ToString("X5") + ", name = " + sName;
v.Info(T.post_v2_names, I.post_I_names_uni_unexpected,
m_tag, s);
bNamesOk = false;
}
}
}
else
{
// check the Adobe Glyph Names
char c = (char)fontOwner.MapGlyphIDToUnicode(iGlyph, (char)0);
if (c != 0xffff)
{
string sAdobeName = pn.GetAdobeGlyphName(c);
if (sAdobeName == null)
{
string s = "glyph = " + iGlyph + ", char = U+" +
((uint)c).ToString("X4") + ", name = " + sName;
v.Info(T.post_v2_names, I.post_I_names_noAdobe, m_tag, s);
bNamesOk = false;
}
else if (sName != sAdobeName)
{
string s = "glyph = " + iGlyph + ", char = U+" +
((uint)c).ToString("X4") + ", name = " + sName;
v.Info(T.post_v2_names, I.post_I_names_nomatch, m_tag, s);
bNamesOk = false;
}
}
}
return(bNamesOk);
}
/*****************
* public methods
*/
public bool Validate()
{
bool bRet = true;
int canrast;
Validator v = GetFile().GetValidator();
if (v.PerformTest(T._OFFSET_sfntVersion))
{
uint sfnt = m_OffsetTable.sfntVersion.GetUint();
if (!OTFile.IsValidSfntVersion(sfnt))
{
v.Error(T._OFFSET_sfntVersion, E._OFFSET_E_InvalidSFNT, null, "0x" + sfnt.ToString("x8"));
bRet = false;
}
}
if (v.PerformTest(T._OFFSET_numTables))
{
if (m_OffsetTable.numTables == 0)
{
v.Error(T._OFFSET_numTables, E._OFFSET_E_numTables, null);
bRet = false;
}
else
{
v.Pass(T._OFFSET_numTables, P._OFFSET_P_numTables, null, m_OffsetTable.numTables.ToString());
}
}
if (v.PerformTest(T._OFFSET_BinarySearchFields))
{
ushort numTables = m_OffsetTable.numTables;
ushort CalculatedSearchRange = (ushort)(util.MaxPower2LE(numTables) * 16);
ushort CalculatedEntrySelector = util.Log2(util.MaxPower2LE(numTables));
ushort CalculatedRangeShift = (ushort)(numTables * 16 - CalculatedSearchRange);
bool bBinaryFieldsOk = true;
if (m_OffsetTable.searchRange != CalculatedSearchRange)
{
v.Error(T._OFFSET_BinarySearchFields, E._OFFSET_E_searchRange, null, m_OffsetTable.searchRange.ToString());
bBinaryFieldsOk = false;
bRet = false;
}
if (m_OffsetTable.entrySelector != CalculatedEntrySelector)
{
v.Error(T._OFFSET_BinarySearchFields, E._OFFSET_E_entrySelector, null, m_OffsetTable.entrySelector.ToString());
bBinaryFieldsOk = false;
bRet = false;
}
if (m_OffsetTable.rangeShift != CalculatedRangeShift)
{
v.Error(T._OFFSET_BinarySearchFields, E._OFFSET_E_rangeShift, null, m_OffsetTable.rangeShift.ToString());
bBinaryFieldsOk = false;
bRet = false;
}
if (bBinaryFieldsOk)
{
v.Pass(T._OFFSET_BinarySearchFields, P._OFFSET_P_BinarySearchTables, null);
}
}
bRet &= CheckDirectoryEntriesNonZero(v);
bRet &= CheckTablesInFileAndNotOverlapping(v);
bRet &= CheckNoDuplicateTags(v);
if (v.PerformTest(T._DE_TagsAscendingOrder))
{
bRet &= CheckTagsAscending(v);
}
if (v.PerformTest(T._DE_TagNames))
{
bRet &= CheckTagNames(v);
}
if (v.PerformTest(T._DE_TableAlignment))
{
bRet &= CheckTableAlignment(v);
}
if (v.PerformTest(T._FONT_RequiredTables))
{
bRet &= CheckForRequiredTables(v);
}
if (v.PerformTest(T._FONT_RecommendedTables))
{
bRet &= CheckForRecommendedTables(v);
}
if (v.PerformTest(T._FONT_UnnecessaryTables))
{
bRet &= CheckForNoUnnecessaryTables(v);
}
if (v.PerformTest(T._FONT_OptimalTableOrder))
{
bRet &= CheckForOptimalTableOrder(v);
}
// Validate each table
if (m_OffsetTable != null)
{
for (int i = 0; i < m_OffsetTable.DirectoryEntries.Count; i++)
{
// check to see if user canceled validation
if (v.CancelFlag)
{
break;
}
// get the table
DirectoryEntry de = (DirectoryEntry)m_OffsetTable.DirectoryEntries[i];
OTTable table = GetFile().GetTableManager().GetTable(this, de);
// Will it really happen?
if (GetFile().GetTableManager().GetUnaliasedTableName(de.tag) == "DSIG" && GetFile().IsCollection())
{
continue;
}
if (GetFile().GetTableManager().GetUnaliasedTableName(de.tag) == "glyf" &&
Is_TTC_LaterIdenticalTable("glyf"))
{
v.Info(T.T_NULL, I.glyf_I_IDENTICAL_GLYF_TABLES_IN_TTC, de.tag, "glyf");
continue;
}
if (GetFile().GetTableManager().GetUnaliasedTableName(de.tag) == "EBDT" &&
Is_TTC_LaterIdenticalTable("EBDT"))
{
v.Info(T.T_NULL, I.glyf_I_IDENTICAL_GLYF_TABLES_IN_TTC, de.tag, "EBDT");
continue;
}
// Call the function that validates a single table
bRet &= this.GetFile().ValidateTable(table, v, de, this);
}
}
canrast = TestFontRasterization();
ushort numGlyphs = GetMaxpNumGlyphs();
// rasterization test - BW
v.OnRastTestValidationEvent_BW(true);
if (v.PeformRastTest_BW() && Is_TTC_LaterIdenticalTable("glyf"))
{
v.Info(T.T_NULL, I.glyf_I_IDENTICAL_GLYF_TABLES_IN_TTC, null, "B/W Rasterization");
}
else
if (v.PeformRastTest_BW())
{
if (canrast > 0)
{
try
{
// fetch the rasterizer object and initialize it with this font
RasterInterf ri = GetFile().GetRasterizer();
ri.RasterNewSfnt(GetFile().GetFileStream(), GetFontIndexInFile());
// call the rasterizer
RasterInterf.UpdateProgressDelegate upg = new RasterInterf.UpdateProgressDelegate(v.OnTableProgress);
RasterInterf.RastTestErrorDelegate rted = new RasterInterf.RastTestErrorDelegate(v.OnRastTestError);
int x = v.GetRastTestXRes();
int y = v.GetRastTestYRes();
int [] pointsizes = v.GetRastTestPointSizes();
RastTestTransform rtt = v.GetRastTestTransform();
bRet &= ri.RastTest(
x, y, pointsizes,
rtt.stretchX, rtt.stretchY, rtt.rotation, rtt.skew, rtt.matrix,
true, false, false, 0,
rted, upg, numGlyphs);
if (ri.GetRastErrorCount() == 0)
{
v.Pass(T.T_NULL, P._rast_P_rasterization, null);
}
}
catch (Exception e)
{
v.ApplicationError(T.T_NULL, E._rast_A_ExceptionUnhandled, null, e.Message + e.StackTrace);
}
}
else if (canrast == 0)
{
v.Info(T.T_NULL, I._rast_I_rasterization, null, GetDevMetricsDataError());
}
else
{
v.Error(T.T_NULL, E._rast_E_rasterization, null, GetDevMetricsDataError());
bRet = false;
}
}
else
{
v.Info(I._TEST_I_RastTestNotSelected, null);
}
v.OnRastTestValidationEvent_BW(false);
// rasterization test - Grayscale
v.OnRastTestValidationEvent_Grayscale(true);
if (v.PeformRastTest_Grayscale() && Is_TTC_LaterIdenticalTable("glyf"))
{
v.Info(T.T_NULL, I.glyf_I_IDENTICAL_GLYF_TABLES_IN_TTC, null, "Grayscale Rasterization");
}
else
if (v.PeformRastTest_Grayscale())
{
if (canrast > 0)
{
try
{
// fetch the rasterizer object and initialize it with this font
RasterInterf ri = GetFile().GetRasterizer();
ri.RasterNewSfnt(GetFile().GetFileStream(), GetFontIndexInFile());
// call the rasterizer
RasterInterf.UpdateProgressDelegate upg = new RasterInterf.UpdateProgressDelegate(v.OnTableProgress);
RasterInterf.RastTestErrorDelegate rted = new RasterInterf.RastTestErrorDelegate(v.OnRastTestError);
int x = v.GetRastTestXRes();
int y = v.GetRastTestYRes();
int [] pointsizes = v.GetRastTestPointSizes();
RastTestTransform rtt = v.GetRastTestTransform();
bRet &= ri.RastTest(
x, y, pointsizes,
rtt.stretchX, rtt.stretchY, rtt.rotation, rtt.skew, rtt.matrix,
false, true, false, 0,
rted, upg, numGlyphs);
if (ri.GetRastErrorCount() == 0)
{
v.Pass(T.T_NULL, P._rast_P_rasterization, null);
}
}
catch (Exception e)
{
v.ApplicationError(T.T_NULL, E._rast_A_ExceptionUnhandled, null, e.Message + e.StackTrace);
}
}
else if (canrast == 0)
{
v.Info(T.T_NULL, I._rast_I_rasterization, null, GetDevMetricsDataError());
}
else
{
v.Error(T.T_NULL, E._rast_E_rasterization, null, GetDevMetricsDataError());
bRet = false;
}
}
else
{
v.Info(I._TEST_I_RastTestNotSelected, null);
}
v.OnRastTestValidationEvent_Grayscale(false);
// rasterization test - Cleartype
v.OnRastTestValidationEvent_Cleartype(true);
if (v.PeformRastTest_Cleartype() && Is_TTC_LaterIdenticalTable("glyf"))
{
v.Info(T.T_NULL, I.glyf_I_IDENTICAL_GLYF_TABLES_IN_TTC, null, "Cleartype Rasterization");
}
else
if (v.PeformRastTest_Cleartype())
{
if (canrast > 0)
{
try
{
uint CTFlags = v.GetCleartypeFlags();
// fetch the rasterizer object and initialize it with this font
RasterInterf ri = GetFile().GetRasterizer();
ri.RasterNewSfnt(GetFile().GetFileStream(), GetFontIndexInFile());
// call the rasterizer
RasterInterf.UpdateProgressDelegate upg = new RasterInterf.UpdateProgressDelegate(v.OnTableProgress);
RasterInterf.RastTestErrorDelegate rted = new RasterInterf.RastTestErrorDelegate(v.OnRastTestError);
int x = v.GetRastTestXRes();
int y = v.GetRastTestYRes();
int [] pointsizes = v.GetRastTestPointSizes();
RastTestTransform rtt = v.GetRastTestTransform();
bRet &= ri.RastTest(
x, y, pointsizes,
rtt.stretchX, rtt.stretchY, rtt.rotation, rtt.skew, rtt.matrix,
false, false, true, CTFlags,
rted, upg, numGlyphs);
if (ri.GetRastErrorCount() == 0)
{
v.Pass(T.T_NULL, P._rast_P_rasterization, null);
}
}
catch (Exception e)
{
v.ApplicationError(T.T_NULL, E._rast_A_ExceptionUnhandled, null, e.Message + e.StackTrace);
}
}
else if (canrast == 0)
{
v.Info(T.T_NULL, I._rast_I_rasterization, null, GetDevMetricsDataError());
}
else
{
v.Error(T.T_NULL, E._rast_E_rasterization, null, GetDevMetricsDataError());
bRet = false;
}
}
else
{
v.Info(I._TEST_I_RastTestNotSelected, null);
}
v.OnRastTestValidationEvent_Cleartype(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 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);
}
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);
}
