public bool Validate(Validator v, string sIdentity, OTTable table) { bool bRet = true; // check for data overlap bRet &= ((val_JSTF)table).ValidateNoOverlap(m_offsetJstfGPOSModList, CalcLength(), v, sIdentity, table.GetTag()); // check GPOSLookupIndex array size if (m_offsetJstfGPOSModList + (uint)FieldOffsets.GPOSLookupIndex + LookupCount * 2 > m_bufTable.GetLength()) { v.Error(T.T_NULL, E.JSTF_E_Array_pastEOT, table.m_tag, sIdentity + ", GPOSLookupIndex"); bRet = false; } // check that GPOSLookupIndex is in increasing numerical order if (LookupCount > 1) { for (uint i = 0; i < LookupCount - 1; i++) { if (GetGPOSLookupIndex(i) >= GetGPOSLookupIndex(i + 1)) { v.Error(T.T_NULL, E.JSTF_E_Array_order, table.m_tag, sIdentity + ", GPOSLookupIndex"); bRet = false; break; } } } return(bRet); }
/************************ * public methods */ public bool Validate(Validator v, OTFontVal fontOwner) { bool bRet = true; Table_maxp maxpTable = (Table_maxp)fontOwner.GetTable("maxp"); if (maxpTable == null) { v.Error(T.T_NULL, E._TEST_E_TableMissing, m_tag, "Unable to test this table, maxp table is invalid or missing"); return(false); } if (v.PerformTest(T.vmtx_TableLength)) { uint CalcTableLength = GetNumOfLongVerMetrics(fontOwner) * 4 + (fontOwner.GetMaxpNumGlyphs() - GetNumOfLongVerMetrics(fontOwner)) * 2; if (CalcTableLength == GetLength()) { v.Pass(T.vmtx_TableLength, P.vmtx_P_TableLength, m_tag); } else { v.Error(T.vmtx_TableLength, E.vmtx_E_TableLength, m_tag); bRet = false; } } return(bRet); }
protected bool CheckDirectoryEntriesNonZero(Validator v) { Debug.Assert(m_OffsetTable != null); bool bRet = false; if (m_OffsetTable != null) { bRet = true; for (int i = 0; i < m_OffsetTable.DirectoryEntries.Count; i++) { DirectoryEntry de = (DirectoryEntry)m_OffsetTable.DirectoryEntries[i]; if (de.tag == 0) { v.Error(E._DE_E_TagZero, null); bRet = false; } if (de.length == 0) { v.Error(T.T_NULL, E._DE_E_LengthZero, null, de.tag); bRet = false; } if (de.offset == 0) { v.Error(T.T_NULL, E._DE_E_OffsetZero, null, de.tag); bRet = false; } } } return(bRet); }
/************************ * public methods */ public bool Validate(Validator v, OTFontVal fontOwner) { bool bRet = true; if (v.PerformTest(T.VORG_CFF_Font)) { if (fontOwner.ContainsPostScriptOutlines()) { v.Pass(T.VORG_CFF_Font, P.VORG_P_CFF_Font, m_tag); } else { v.Error(T.VORG_CFF_Font, E.VORG_E_CFF_Font, m_tag); bRet = false; } } if (v.PerformTest(T.VORG_Version)) { if (majorVersion == 1 && minorVersion == 0) { v.Pass(T.VORG_Version, P.VORG_P_Version, m_tag); } else { v.Error(T.VORG_Version, E.VORG_E_Version, m_tag); bRet = false; } } return(bRet); }
public bool Validate(Validator v, string sIdentity, OTTable table) { bool bRet = true; // check for data overlap bRet &= ((val_JSTF)table).ValidateNoOverlap(m_offsetJstfLangSys, CalcLength(), v, sIdentity, table.GetTag()); // check the JstfPriority array length if (m_offsetJstfLangSys + (uint)FieldOffsets.JstfPriorityOffsets + JstfPriorityCount * 2 > m_bufTable.GetLength()) { v.Error(T.T_NULL, E.JSTF_E_Array_pastEOT, table.m_tag, sIdentity + ", JstfPriority array"); bRet = false; } // check each JstfPriority offset for (uint i = 0; i < JstfPriorityCount; i++) { if (m_offsetJstfLangSys + GetJstfPriorityOffset(i) > m_bufTable.GetLength()) { v.Error(T.T_NULL, E.JSTF_E_Offset_PastEOT, table.m_tag, sIdentity + ", JstfPriority[" + i + "]"); bRet = false; } } // check each JstfPriority table for (uint i = 0; i < JstfPriorityCount; i++) { JstfPriority_val jp = GetJstfPriorityTable_val(i); bRet &= jp.Validate(v, sIdentity + ", JstfPriority[" + i + "]", table); } return(bRet); }
public bool Validate(Validator v, string sIdentity, OTTable table) { bool bRet = true; // check for data overlap bRet &= ((val_JSTF)table).ValidateNoOverlap(m_offsetJstfMax, CalcLength(), v, sIdentity, table.GetTag()); // check the Lookup array length if (m_offsetJstfMax + (uint)FieldOffsets.LookupOffsets + LookupCount * 2 > m_bufTable.GetLength()) { v.Error(T.T_NULL, E.JSTF_E_Array_pastEOT, table.m_tag, sIdentity + ", Lookup"); bRet = false; } // check each Lookup offset for (uint i = 0; i < LookupCount; i++) { if (m_offsetJstfMax + GetLookupOffset(i) > m_bufTable.GetLength()) { v.Error(T.T_NULL, E.JSTF_E_Offset_PastEOT, table.m_tag, sIdentity + ", Lookup[" + i + "]"); bRet = false; } } // check each Lookup table for (uint i = 0; i < LookupCount; i++) { LookupTable_val lt = GetLookupTable_val(i); bRet &= lt.Validate(v, sIdentity + ", Lookup[" + i + "]", table); } return(bRet); }
public bool Validate(Validator v, string sIdentity, OTTable table) { bool bRet = true; // check for data overlap bRet &= ((val_JSTF)table).ValidateNoOverlap(m_offsetExtenderGlyph, CalcLength(), v, sIdentity, table.GetTag()); // check the ExtenderGlyph array length if (m_offsetExtenderGlyph + (uint)FieldOffsets.ExtenderGlyphs + GlyphCount * 2 > m_bufTable.GetLength()) { v.Error(T.T_NULL, E.JSTF_E_Array_pastEOT, table.m_tag, sIdentity + ", ExtenderGlyph array"); bRet = false; } // check that the ExtenderGlyph array is in increasing numerical order if (GlyphCount > 1) { for (uint i = 0; i < GlyphCount - 1; i++) { if (GetExtenderGlyph(i) >= GetExtenderGlyph(i + 1)) { v.Error(T.T_NULL, E.JSTF_E_Array_order, table.m_tag, sIdentity + ", ExtenderGlyph array"); bRet = false; break; } } } return(bRet); }
/************************ * public methods */ public bool Validate(Validator v, OTFontVal fontOwner) { bool bRet = true; Table_maxp maxpTable = (Table_maxp)fontOwner.GetTable("maxp"); if (maxpTable == null) { v.Error(T.T_NULL, E._TEST_E_TableMissing, m_tag, "Unable to test this table, maxp table is invalid or missing"); return false; } if (v.PerformTest(T.vmtx_TableLength)) { uint CalcTableLength = GetNumOfLongVerMetrics(fontOwner)*4 + (fontOwner.GetMaxpNumGlyphs() - GetNumOfLongVerMetrics(fontOwner))*2; if (CalcTableLength == GetLength()) { v.Pass(T.vmtx_TableLength, P.vmtx_P_TableLength, m_tag); } else { v.Error(T.vmtx_TableLength, E.vmtx_E_TableLength, m_tag); bRet = false; } } 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; if (v.PerformTest(T.VORG_CFF_Font)) { if (fontOwner.ContainsPostScriptOutlines()) { v.Pass(T.VORG_CFF_Font, P.VORG_P_CFF_Font, m_tag); } else { v.Error(T.VORG_CFF_Font, E.VORG_E_CFF_Font, m_tag); bRet = false; } } if (v.PerformTest(T.VORG_Version)) { if (majorVersion == 1 && minorVersion == 0) { v.Pass(T.VORG_Version, P.VORG_P_Version, m_tag); } else { v.Error(T.VORG_Version, E.VORG_E_Version, m_tag); bRet = false; } } return bRet; }
bool Validate_indexSubTable_format5(Validator v, indexSubTable5 ist5, indexSubTableArray ista, string sID, OTFontVal fontOwner) { bool bOk = true; Table_EBDT EBDTTable = (Table_EBDT)fontOwner.GetTable("EBDT"); // header has already been validated // validate the image size if (ist5.numGlyphs * ist5.imageSize > EBDTTable.GetLength()) { string sDetails = "images extend past end of EBDT table: " + sID + ", imageSize = " + ist5.imageSize + ", EBDT length = " + EBDTTable.GetLength(); v.Error(T.EBLC_indexSubTables, E.EBLC_E_indexSubTables, m_tag, sDetails); bOk = false; } // validate the bigGlyphMetrics val_EBDT.bigGlyphMetrics_val bgm = val_EBDT.bigGlyphMetrics_val.CreateFromBigGlyphMetrics(ist5.bigMetrics); bgm.Validate(v, sID, this); // validate numGlyphs uint nGlyphsInRange = (uint)ista.lastGlyphIndex - ista.firstGlyphIndex + 1; if (ist5.numGlyphs > nGlyphsInRange) { string sDetails = "numGlyphs is invalid: " + sID + ", numGlyphs = " + ist5.numGlyphs + ", indexSubTableArray.firstGlyphIndex = " + ista.firstGlyphIndex + ", indexSubTableArray.lastGlyphIndex = " + ista.lastGlyphIndex; v.Error(T.EBLC_indexSubTables, E.EBLC_E_indexSubTables, m_tag, sDetails); bOk = false; } // validate glyphCodeArray for (ushort i = 0; i < ist5.numGlyphs; i++) { ushort idGlyph = ist5.GetGlyphCode(i); if (idGlyph < ista.firstGlyphIndex || idGlyph > ista.lastGlyphIndex) { string sDetails = "invalid glyph id: " + sID + ", glyphCodeArray[" + i + "] = " + idGlyph + ", indexSubTableArray.firstGlyphIndex = " + ista.firstGlyphIndex + ", indexSubTableArray.lastGlyphIndex = " + ista.lastGlyphIndex; v.Error(T.EBLC_indexSubTables, E.EBLC_E_indexSubTables, m_tag, sDetails); bOk = false; } } return(bOk); }
bool Validate_indexSubHeader(Validator v, indexSubHeader iSH, string sID, OTFontVal fontOwner) { bool bOk = true; Table_EBDT EBDTTable = (Table_EBDT)fontOwner.GetTable("EBDT"); if (iSH.indexFormat < 1 || iSH.indexFormat > 5) { string sDetails = "invalid indexFormat: " + sID + ", indexFormat = " + iSH.indexFormat; v.Error(T.EBLC_indexSubTables, E.EBLC_E_indexSubTables, m_tag, sDetails); bOk = false; } if ((iSH.imageFormat < 1 || iSH.imageFormat > 9 || iSH.imageFormat == 3) && !(version.GetUint() == 0x00030000 && (iSH.imageFormat == 17 || iSH.imageFormat == 18 || iSH.imageFormat == 19) )) { string sDetails = "invalid imageFormat: " + sID + ", imageFormat = " + iSH.imageFormat; v.Error(T.EBLC_indexSubTables, E.EBLC_E_indexSubTables, m_tag, sDetails); bOk = false; } bool bInconsistentFormats = false; if (iSH.indexFormat == 1 || iSH.indexFormat == 3 || iSH.indexFormat == 4) { if (iSH.imageFormat == 5) { bInconsistentFormats = true; } } else { if (iSH.imageFormat != 5) { bInconsistentFormats = true; } } if (bInconsistentFormats) { string sDetails = "inconsistent formats: " + sID + ", indexFormat = " + iSH.indexFormat + ", imageFormat = " + iSH.imageFormat; v.Error(T.EBLC_indexSubTables, E.EBLC_E_indexSubTables, m_tag, sDetails); bOk = false; } if (EBDTTable != null) { if (iSH.imageDataOffset > EBDTTable.GetLength()) { string sDetails = "invalid imageDataOffset: " + sID + ", imageDataOffset = " + iSH.imageDataOffset; v.Error(T.EBLC_indexSubTables, E.EBLC_E_indexSubTables, m_tag, sDetails); bOk = false; } } return(bOk); }
public bool Validate(Validator v, string sIdentity, OTTable table) { bool bRet = true; bRet &= ((val_BASE)table).ValidateNoOverlap(m_offsetBaseScriptListTable, CalcLength(), v, sIdentity, table.GetTag()); bool bOrderOk = true; if (BaseScriptCount > 1) { for (uint i = 0; i < BaseScriptCount - 1; i++) { BaseScriptRecord ThisBsr = GetBaseScriptRecord(i); BaseScriptRecord NextBsr = GetBaseScriptRecord(i + 1); if (ThisBsr.BaseScriptTag >= NextBsr.BaseScriptTag) { v.Error(T.T_NULL, E.BASE_E_BaseScriptList_Order, table.m_tag, sIdentity); bOrderOk = false; bRet = false; break; } } } if (bOrderOk) { v.Pass(T.T_NULL, P.BASE_P_BaseScriptList_Order, table.m_tag, sIdentity); } bool bOffsetsOk = true; for (uint i = 0; i < BaseScriptCount; i++) { BaseScriptRecord bsr = GetBaseScriptRecord(i); if (bsr.BaseScriptOffset + m_offsetBaseScriptListTable > m_bufTable.GetLength()) { v.Error(T.T_NULL, E.BASE_E_BaseScriptList_Offset, table.m_tag, sIdentity + ", index = " + i); bOffsetsOk = false; bRet = false; } } if (bOffsetsOk) { v.Pass(T.T_NULL, P.BASE_P_BaseScriptList_Offset, table.m_tag, sIdentity); } for (uint i = 0; i < BaseScriptCount; i++) { BaseScriptRecord bsr = GetBaseScriptRecord(i); BaseScriptTable_val bst = GetBaseScriptTable_val(bsr); bst.Validate(v, sIdentity + ", BaseScriptRecord[" + i + "](" + bsr.BaseScriptTag + ")", table); } return(bRet); }
public bool Validate(Validator v, string sIdentity, OTTable table) { bool bRet = true; bRet &= ((val_GDEF)table).ValidateNoOverlap(m_offsetLigCaretListTable, CalcLength(), v, sIdentity, table.GetTag()); if (CoverageOffset == 0) { v.Error(T.T_NULL, E.GDEF_E_LigCaretListTable_CoverageOffset_0, table.m_tag, sIdentity); bRet = false; } else if (CoverageOffset > m_bufTable.GetLength()) { v.Error(T.T_NULL, E.GDEF_E_LigCaretListTable_CoverageOffset_invalid, table.m_tag, sIdentity); bRet = false; } else { v.Pass(T.T_NULL, P.GDEF_P_LigCaretListTable_CoverageOffset, table.m_tag, sIdentity); CoverageTable_val ct = GetCoverageTable_val(); ct.Validate(v, sIdentity + ", Coverage", table); } if (m_offsetLigCaretListTable + (uint)FieldOffsets.LigGlyphOffsets + LigGlyphCount * 2 > m_bufTable.GetLength()) { v.Error(T.T_NULL, E.GDEF_E_LigCaretListTable_LigGlyphArray_PastEOT, table.m_tag, sIdentity); bRet = false; } bool bOffsetsOk = true; for (uint i = 0; i < LigGlyphCount; i++) { if (m_offsetLigCaretListTable + GetLigGlyphOffset(i) > m_bufTable.GetLength()) { v.Error(T.T_NULL, E.GDEF_E_LigCaretListTable_LigGlyphOffset, table.m_tag, sIdentity + ", index = " + i); bOffsetsOk = false; bRet = false; } else { LigGlyphTable_val lgt = GetLigGlyphTable_val(i); lgt.Validate(v, sIdentity + ", LigGlyph[" + i + "]", table); } } if (bOffsetsOk) { v.Pass(T.T_NULL, P.GDEF_P_LigCaretListTable_LigGlyphArray, table.m_tag, sIdentity); } return(bRet); }
bool Validate_indexSubTable_format4(Validator v, indexSubTable4 ist4, indexSubTableArray ista, string sID, OTFontVal fontOwner) { bool bOk = true; Table_EBDT EBDTTable = (Table_EBDT)fontOwner.GetTable("EBDT"); // header has already been validated // validate numGlyphs uint nGlyphsInRange = (uint)ista.lastGlyphIndex - ista.firstGlyphIndex + 1; if (ist4.numGlyphs > nGlyphsInRange) { string sDetails = "numGlyphs is invalid: " + sID + ", numGlyphs = " + ist4.numGlyphs + ", indexSubTableArray.firstGlyphIndex = " + ista.firstGlyphIndex + ", indexSubTableArray.lastGlyphIndex = " + ista.lastGlyphIndex; v.Error(T.EBLC_indexSubTables, E.EBLC_E_indexSubTables, m_tag, sDetails); bOk = false; } // validate code offset pairs uint nEBDTLength = EBDTTable.GetLength(); for (ushort idGlyph = 0; idGlyph < ist4.numGlyphs; idGlyph++) { indexSubTable4.codeOffsetPair cop = ist4.GetCodeOffsetPair(idGlyph); // glyph code if (cop.glyphCode < ista.firstGlyphIndex || cop.glyphCode > ista.lastGlyphIndex) { string sDetails = "glyph code is invalid: " + sID + ", codeOffsetPair[" + idGlyph + "]" + ", indexSubTableArray.firstGlyphIndex = " + ista.firstGlyphIndex + ", indexSubTableArray.lastGlyphIndex = " + ista.lastGlyphIndex; v.Error(T.EBLC_indexSubTables, E.EBLC_E_indexSubTables, m_tag, sDetails); bOk = false; } // offset if (cop.offset > nEBDTLength) { string sDetails = "invalid offset: " + sID + ", codeOffsetPair[" + idGlyph + "].offset = " + cop.offset + ", EBDT length = " + nEBDTLength; v.Error(T.EBLC_indexSubTables, E.EBLC_E_indexSubTables, m_tag, sDetails); bOk = false; } } return(bOk); }
protected bool CheckTagNames(Validator v) { Debug.Assert(m_OffsetTable != null); bool bRet = false; if (m_OffsetTable != null) { bRet = true; for (int i = 0; i < m_OffsetTable.DirectoryEntries.Count; i++) { DirectoryEntry de = (DirectoryEntry)m_OffsetTable.DirectoryEntries[i]; if (!de.tag.IsValid()) { v.Error(T.T_NULL, E._DE_E_TagName, null, (string)de.tag); bRet = false; } } if (bRet == true) { v.Pass(P._DE_P_TagName, null); } } return(bRet); }
bool Validate_indexSubTable_format2(Validator v, indexSubTable2 ist2, indexSubTableArray ista, string sID, OTFontVal fontOwner) { bool bOk = true; Table_EBDT EBDTTable = (Table_EBDT)fontOwner.GetTable("EBDT"); // header has already been validated // validate the image size uint nGlyphsInRange = (uint)ista.lastGlyphIndex - ista.firstGlyphIndex + 1; if (nGlyphsInRange * ist2.imageSize > EBDTTable.GetLength()) { string sDetails = "images extend past end of EBDT table: " + sID + ", imageSize = " + ist2.imageSize + ", EBDT length = " + EBDTTable.GetLength(); v.Error(T.EBLC_indexSubTables, E.EBLC_E_indexSubTables, m_tag, sDetails); bOk = false; } // validate the bigGlyphMetrics val_EBDT.bigGlyphMetrics_val bgm = val_EBDT.bigGlyphMetrics_val.CreateFromBigGlyphMetrics(ist2.bigMetrics); bgm.Validate(v, sID, this); return(bOk); }
bool Validate_indexSubTable_format3(Validator v, indexSubTable3 ist3, indexSubTableArray ista, string sID, OTFontVal fontOwner) { bool bOk = true; Table_EBDT EBDTTable = (Table_EBDT)fontOwner.GetTable("EBDT"); // header has already been validated // validate the array of offsets int nArrSize = ista.lastGlyphIndex - ista.firstGlyphIndex + 1; uint nEBDTLength = EBDTTable.GetLength(); for (ushort i = 0; i < nArrSize; i++) { uint offsetImage = ist3.GetOffset(i) + ist3.header.imageDataOffset; if (offsetImage > nEBDTLength) { string sDetails = "invalid offset: " + sID + ", offset[" + i + "] = " + offsetImage + ", EBDT length = " + nEBDTLength; v.Error(T.EBLC_indexSubTables, E.EBLC_E_indexSubTables, m_tag, sDetails); bOk = false; } } return(bOk); }
public bool ValidateNumEntries(Validator validator, OTFont fontOwner) { int numGlyph = this.NumGlyph(fontOwner); int numEntry = this.NumEntry(fontOwner); if ((numGlyph == Table_loca.ValueInvalid) || (numEntry == Table_loca.ValueInvalid) || (numEntry != numGlyph + 1)) { if (validator != null) { validator.Error(T.T_NULL, E.loca_E_NumEntries, m_tag, "number of entries=" + numEntry + " number of glyphs=" + numGlyph); } return(false); } else { if (validator != null) { validator.Pass(P.loca_P_NumEntries, m_tag); } return(true); } }
public bool ValidateNumEntries(Validator validator, OTFont fontOwner) { int numGlyph=this.NumGlyph(fontOwner); int numEntry=this.NumEntry(fontOwner); if ((numGlyph==Table_loca.ValueInvalid)|| (numEntry==Table_loca.ValueInvalid)|| (numEntry!=numGlyph+1)) { if (validator!=null) { validator.Error(T.T_NULL, E.loca_E_NumEntries, m_tag, "number of entries="+numEntry+" number of glyphs="+numGlyph); } return false; } else { if (validator!=null) { validator.Pass(P.loca_P_NumEntries, m_tag); } return true; } }
protected bool CheckNoDuplicateTags(Validator v) { Debug.Assert(m_OffsetTable != null); bool bRet = false; if (m_OffsetTable != null) { bRet = true; for (int i = 0; i < m_OffsetTable.DirectoryEntries.Count; i++) { DirectoryEntry de1 = (DirectoryEntry)m_OffsetTable.DirectoryEntries[i]; // compare this directory entry with every one that follows it for (int j = i + 1; j < m_OffsetTable.DirectoryEntries.Count; j++) { DirectoryEntry de2 = (DirectoryEntry)m_OffsetTable.DirectoryEntries[j]; if (de1.tag == de2.tag) { v.Error(T.T_NULL, E._DE_E_DuplicateTag, null, de1.tag); } } } } return(bRet); }
public bool Validate(Validator v, string sIdentity, OTTable table) { bool bRet = true; bRet &= ((val_BASE)table).ValidateNoOverlap(m_offsetBaseTagListTable, CalcLength(), v, sIdentity, table.GetTag()); bool bTagsValid = true; for (uint i = 0; i < BaseTagCount; i++) { OTTag BaselineTag = GetBaselineTag(i); if (!BaselineTag.IsValid()) { v.Error(T.T_NULL, E.BASE_E_BaseTagList_TagValid, table.m_tag, sIdentity + ", tag = 0x" + ((uint)BaselineTag).ToString("x8")); bTagsValid = false; bRet = false; } } if (bTagsValid) { v.Pass(T.T_NULL, P.BASE_P_BaseTagList_TagValid, table.m_tag, sIdentity); } bool bOrderOk = true; if (BaseTagCount > 1) { for (uint i = 0; i < BaseTagCount - 1; i++) { OTTag ThisTag = GetBaselineTag(i); OTTag NextTag = GetBaselineTag(i + 1); if (ThisTag >= NextTag) { v.Error(T.T_NULL, E.BASE_E_BaseTagList_TagOrder, table.m_tag, sIdentity); bOrderOk = false; bRet = false; break; } } } if (bOrderOk) { v.Pass(T.T_NULL, P.BASE_P_BaseTagList_TagOrder, table.m_tag, sIdentity); } return(bRet); }
private bool ValidateOffsetsIncreasing(Validator validator, OTFont fontOwner) { int cntErr = 0; int numEntry = this.NumEntry(fontOwner); if (numEntry == Table_loca.ValueInvalid) { if (validator != null) { validator.Error(T.T_NULL, E.loca_E_OffsetsIncreasing, 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))) { cntErr++; continue; } if (offsGlyfNext < offsGlyfCur) { cntErr++; } } if (validator != null) { if (cntErr == 0) { validator.Pass(P.loca_P_OffsetsIncreasing, m_tag); } else { validator.Error(T.T_NULL, E.loca_E_OffsetsIncreasing, m_tag, "Number of glyphs with the error = " + cntErr); } } return(cntErr == 0); }
/************************ * public methods */ public bool Validate(Validator v, OTFontVal fontOwner) { bool bRet = true; if (v.PerformTest(T.vhea_version)) { if (version.GetUint() == 0x00010000 || version.GetUint() == 0x00011000) { v.Pass(T.vhea_version, P.vhea_P_version, m_tag, "0x" + version.GetUint().ToString("x8")); } else { v.Error(T.vhea_version, E.vhea_E_version, m_tag, "0x" + version.GetUint().ToString("x8")); bRet = false; } } if (v.PerformTest(T.vhea_ReservedFields)) { if (reserved1 == 0 && reserved2 == 0 && reserved3 == 0 && reserved4 == 0) { v.Pass(T.vhea_ReservedFields, P.vhea_P_ReservedFields, m_tag); } else { v.Error(T.vhea_ReservedFields, E.vhea_E_ReservedFields, m_tag); bRet = false; } } if (v.PerformTest(T.vhea_metricDataFormat)) { if (metricDataFormat == 0) { v.Pass(T.vhea_metricDataFormat, P.vhea_P_metricDataFormat, m_tag); } else { v.Error(T.vhea_metricDataFormat, E.vhea_E_metricDataFormat, m_tag, metricDataFormat.ToString()); bRet = false; } } return bRet; }
/************************ * public methods */ public bool Validate(Validator v, OTFontVal fontOwner) { bool bRet = true; if (v.PerformTest(T.vhea_version)) { if (version.GetUint() == 0x00010000 || version.GetUint() == 0x00011000) { v.Pass(T.vhea_version, P.vhea_P_version, m_tag, "0x" + version.GetUint().ToString("x8")); } else { v.Error(T.vhea_version, E.vhea_E_version, m_tag, "0x" + version.GetUint().ToString("x8")); bRet = false; } } if (v.PerformTest(T.vhea_ReservedFields)) { if (reserved1 == 0 && reserved2 == 0 && reserved3 == 0 && reserved4 == 0) { v.Pass(T.vhea_ReservedFields, P.vhea_P_ReservedFields, m_tag); } else { v.Error(T.vhea_ReservedFields, E.vhea_E_ReservedFields, m_tag); bRet = false; } } if (v.PerformTest(T.vhea_metricDataFormat)) { if (metricDataFormat == 0) { v.Pass(T.vhea_metricDataFormat, P.vhea_P_metricDataFormat, m_tag); } else { v.Error(T.vhea_metricDataFormat, E.vhea_E_metricDataFormat, m_tag, metricDataFormat.ToString()); bRet = false; } } return(bRet); }
protected bool CheckTablesInFileAndNotOverlapping(Validator v) { Debug.Assert(m_OffsetTable != null); bool bRet = false; if (m_OffsetTable != null) { bRet = true; for (int i = 0; i < m_OffsetTable.DirectoryEntries.Count; i++) { DirectoryEntry de = (DirectoryEntry)m_OffsetTable.DirectoryEntries[i]; // make sure the offset plus length is within the file if (de.offset + de.length > GetFile().GetFileLength()) { v.Error(T.T_NULL, E._DE_E_TableEndPastEOF, de.tag, de.tag); bRet = false; } // make sure the table doesn't overlap any other tables for (int j = 0; j < m_OffsetTable.DirectoryEntries.Count; j++) { if (i != j) // don't compare the table to itself! { DirectoryEntry de2 = (DirectoryEntry)m_OffsetTable.DirectoryEntries[j]; if ( // make sure the table doesn't start inside a second table (de.offset > de2.offset && de.offset < de2.offset + de2.length) || // make sure the table doesn't end inside a second table (de.offset + de.length > de2.offset && de.offset + de.length < de2.offset + de2.length) ) { string sDetails = de.tag + " overlaps " + de2.tag; v.Error(T.T_NULL, E._DE_E_OverlappingTable, de.tag, sDetails); } } } } } return(bRet); }
public bool Validate(Validator v, string sIdentity, OTTable table) { bool bRet = true; bRet &= ((val_BASE)table).ValidateNoOverlap(m_offsetAxisTable, CalcLength(), v, sIdentity, table.GetTag()); if (BaseTagListOffset == 0) { v.Pass(T.T_NULL, P.BASE_P_AxisTable_BaseTagListOffset_null, table.m_tag, sIdentity); } else if (BaseTagListOffset + m_offsetAxisTable > m_bufTable.GetLength()) { v.Error(T.T_NULL, E.BASE_E_AxisTable_BaseTagListOffset, table.m_tag, sIdentity); bRet = false; } else { v.Pass(T.T_NULL, P.BASE_P_AxisTable_BaseTagListOffset_valid, table.m_tag, sIdentity); BaseTagListTable_val btlt = GetBaseTagListTable_val(); btlt.Validate(v, sIdentity, table); } if (BaseScriptListOffset == 0) { v.Error(T.T_NULL, E.BASE_E_AxisTable_BaseScriptListOffset_null, table.m_tag, sIdentity); bRet = false; } else if (BaseScriptListOffset + m_offsetAxisTable > m_bufTable.GetLength()) { v.Error(T.T_NULL, E.BASE_E_AxisTable_BaseScriptListOffset, table.m_tag, sIdentity); bRet = false; } else { v.Pass(T.T_NULL, P.BASE_P_AxisTable_BaseScriptListOffset_valid, table.m_tag, sIdentity); BaseScriptListTable_val bslt = GetBaseScriptListTable_val(); bslt.Validate(v, sIdentity, table); } return(bRet); }
public bool ValidateNoOverlap(uint offset, uint length, Validator v, string sIdentity, OTTag tag) { bool bValid = m_DataOverlapDetector.CheckForNoOverlap(offset, length); if (!bValid) { v.Error(T.T_NULL, E._Table_E_DataOverlap, tag, sIdentity + ", offset = " + offset + ", length = " + length); } return(bValid); }
public bool Validate(Validator v, string sIdentity, OTTable table) { bool bRet = true; bRet &= ((val_GDEF)table).ValidateNoOverlap(m_offsetLigGlyphTable, CalcLength(), v, sIdentity, table.GetTag()); if (m_offsetLigGlyphTable + (uint)FieldOffsets.CaretValueOffsets + CaretCount * 2 > m_bufTable.GetLength()) { v.Error(T.T_NULL, E.GDEF_E_LigGlyphTable_CaretValueArray_PastEOT, table.m_tag, sIdentity); bRet = false; } bool bOffsetsOk = true; for (uint i = 0; i < CaretCount; i++) { if (m_offsetLigGlyphTable + GetCaretValueOffset(i) > m_bufTable.GetLength()) { v.Error(T.T_NULL, E.GDEF_E_LigGlyphTable_CaretValueOffset, table.m_tag, sIdentity); bOffsetsOk = false; bRet = false; } } if (bOffsetsOk) { v.Pass(T.T_NULL, P.GDEF_P_LigGlyphTable_CaretValueArray, table.m_tag, sIdentity); } for (uint i = 0; i < CaretCount; i++) { CaretValueTable cvt = GetCaretValueTable(i); if (cvt.CaretValueFormat < 1 || cvt.CaretValueFormat > 3) { v.Error(T.T_NULL, E.GDEF_E_CaretValueTable_Format, table.m_tag, sIdentity + ", CaretValue[" + i + "], format = " + cvt.CaretValueFormat); bRet = false; } } return(bRet); }
public bool Validate(Validator v, string sIdentity, OTTable table) { bool bRet = true; bRet &= ((val_BASE)table).ValidateNoOverlap(m_offsetBaseValuesTable, CalcLength(), v, sIdentity, table.GetTag()); // check BaseCoord offsets bool bOffsetsOk = true; for (uint i = 0; i < BaseCoordCount; i++) { ushort bco = GetBaseCoordOffset(i); if (bco == 0) { v.Error(T.T_NULL, E.BASE_E_BaseValuesTable_BCO_0, table.m_tag, sIdentity + ", BaseCoordOffset index = " + i); bOffsetsOk = false; bRet = false; } else if (bco + m_offsetBaseValuesTable > m_bufTable.GetLength()) { v.Error(T.T_NULL, E.BASE_E_BaseValuesTable_BCO_invalid, table.m_tag, sIdentity + ", BaseCoordOffset index = " + i); bOffsetsOk = false; bRet = false; } } if (bOffsetsOk) { v.Pass(T.T_NULL, P.BASE_P_BaseValuesTable_BCO, table.m_tag, sIdentity); } // check the BaseCoord tables for (uint i = 0; i < BaseCoordCount; i++) { BaseCoordTable_val bct = GetBaseCoordTable_val(i); bct.Validate(v, sIdentity, table); } return(bRet); }
public bool Validate(Validator v, string sIdentity, OTTable table) { bool bRet = true; bRet &= ((val_BASE)table).ValidateNoOverlap(m_offsetBaseCoordTable, CalcLength(), v, sIdentity, table.GetTag()); if (BaseCoordFormat == 1 || BaseCoordFormat == 2 || BaseCoordFormat == 3) { v.Pass(T.T_NULL, P.BASE_P_BaseCoordTable_format, table.m_tag, sIdentity); } else { v.Error(T.T_NULL, E.BASE_E_BaseCoordTable_format, table.m_tag, sIdentity + ", format = " + BaseCoordFormat); } return(bRet); }
/************************ * public methods */ public bool Validate(Validator v, OTFontVal fontOwner) { bool bRet = true; if (v.PerformTest(T.cvt_length)) { if ((m_bufTable.GetLength() & 1) != 0) { v.Error(T.cvt_length, E.cvt_E_length_odd, m_tag); bRet = false; } else { v.Pass(T.cvt_length, P.cvt_P_length_even, m_tag); } } return bRet; }
/************************ * public methods */ public bool Validate(Validator v, OTFontVal fontOwner) { bool bRet = true; if (v.PerformTest(T.cvt_length)) { if ((m_bufTable.GetLength() & 1) != 0) { v.Error(T.cvt_length, E.cvt_E_length_odd, m_tag); bRet = false; } else { v.Pass(T.cvt_length, P.cvt_P_length_even, m_tag); } } return(bRet); }
/* * METHODS PRIVATE: GLYF ACCESS */ private bool GetGlyfOffset(int indexGlyph, out int offsGlyf, Validator validator, OTFont fontOwner) { offsGlyf = Table_loca.ValueInvalid; int numEntry = this.NumEntry(fontOwner); if (numEntry == Table_loca.ValueInvalid) { return(false); } if ((indexGlyph < 0) || (indexGlyph >= numEntry)) { //Debug.Assert(false, "Table_loca: GetGlyfOffset"); return(false); } int sizeEntry = this.SizeEntry(fontOwner); if (sizeEntry == Table_loca.ValueInvalid) { return(false); } int pozLoca = sizeEntry * indexGlyph; if (pozLoca + sizeEntry > this.GetLength()) { if (validator != null) { validator.Error(E._GEN_E_OffsetExceedsTableLength, "loca"); } return(false); } if (sizeEntry == 2) { offsGlyf = 2 * m_bufTable.GetUshort((uint)pozLoca); } else { offsGlyf = (int)(m_bufTable.GetUint((uint)pozLoca)); } return(true); }
/* * VALIDATION FUNCTIONS */ public bool ValidateFormat(Validator validator, OTFont fontOwner) { int format=this.Format(fontOwner); if ((format!=0)&&(format!=1)) { if (validator!=null) { validator.Error(E.loca_E_Format, m_tag); } return false; } else { if (validator!=null) { validator.Pass(P.loca_P_Format, m_tag); } return true; } }
protected bool CheckTagsAscending(Validator v) { Debug.Assert(m_OffsetTable != null); bool bRet = false; if (m_OffsetTable != null) { bRet = true; for (int i = 0; i < m_OffsetTable.DirectoryEntries.Count; i++) { DirectoryEntry de1 = (DirectoryEntry)m_OffsetTable.DirectoryEntries[i]; // compare this directory entry with every one that follows it for (int j = i + 1; j < m_OffsetTable.DirectoryEntries.Count; j++) { DirectoryEntry de2 = (DirectoryEntry)m_OffsetTable.DirectoryEntries[j]; if ((uint)de1.tag > (uint)de2.tag) { v.Error(E._DE_E_TagsAscending, null); bRet = false; break; } } if (bRet == false) { break; } } if (bRet == true) { v.Pass(P._DE_P_TagsAscending, null); } } return(bRet); }
public bool Validate(Validator v, OTFontVal fontOwner) { bool bRet = true; if (v.PerformTest(T.cmap_Version)) { if (TableVersionNumber == 0) { v.Pass(T.cmap_Version, P.cmap_P_version, m_tag); } else { v.Error(T.cmap_Version, E.cmap_E_version, m_tag, TableVersionNumber.ToString()); bRet = false; } } // Check that the number of encoding records seems to // agree with the numTables field, and that each offset // is greater than 0 and less than the length of the cmap // table. bool bOffsetsOk = true; if (v.PerformTest(T.cmap_SubtableOffset)) { for (uint i=0; i<NumberOfEncodingTables; i++) { EncodingTableEntry ete = GetEncodingTableEntry(i); if (ete != null) { if (ete.offset == 0) { v.Error(T.cmap_SubtableOffset, E.cmap_E_SubtableOffset_zero, m_tag, "encoding table entry index = " + i.ToString() + ", platformID = " + ete.platformID + ", encodingID = " + ete.encodingID); bRet = false; bOffsetsOk = false; } if (ete.offset > m_bufTable.GetLength()) { v.Error(T.cmap_SubtableOffset, E.cmap_E_SubtableOffset_eot, m_tag, "encoding table entry index = " + i.ToString() + ", platformID = " + ete.platformID + ", encodingID = " + ete.encodingID); bRet = false; bOffsetsOk = false; } } else { v.Warning(T.cmap_SubtableOffset, W._TEST_W_OtherErrorsInTable, m_tag, "cmap table appears to be corrupt. " + " No further tests will be performed."); return bRet; } } if (bOffsetsOk) { v.Pass(T.cmap_SubtableOffset, P.cmap_P_SubtableOffset, m_tag); } } // Check that each subtable can be retrieved from the font // and that its offset + length lies within the cmap. bool bLengthsOk = true; if (v.PerformTest(T.cmap_SubtableLength)) { for (uint i=0; i<NumberOfEncodingTables; i++) { EncodingTableEntry ete = GetEncodingTableEntry(i); Subtable st = GetSubtable(ete); if (st != null) { if (st.length == 0) { v.Error(T.cmap_SubtableLength, E.cmap_E_SubtableLength_zero, m_tag, i.ToString()); bRet = false; bLengthsOk = false; } if (ete.offset + st.length > m_bufTable.GetLength()) { v.Error(T.cmap_SubtableLength, E.cmap_E_SubtableLength_eot, m_tag, i.ToString()); bRet = false; bLengthsOk = false; } } else { string sDetails = "PlatID = " + ete.platformID + ", EncID = " + ete.encodingID; v.Warning(T.cmap_SubtableLength, W._TEST_W_OtherErrorsInTable, m_tag, "unable to validate the length of subtable - " + sDetails); bLengthsOk = false; } } if (bLengthsOk) { v.Pass(T.cmap_SubtableLength, P.cmap_P_SubtableLength, m_tag); } } // Assuming previous tests ok, check that sort order is by // 1. increasing platformID // 2. increasing encodingID // 3. increasing language if (v.PerformTest(T.cmap_SubtableSortOrder)) { if (bOffsetsOk && bLengthsOk) { bool bOrderOk = true; if (NumberOfEncodingTables > 1) { EncodingTableEntry etePrev = GetEncodingTableEntry(0); for (uint i=1; i<NumberOfEncodingTables; i++) { EncodingTableEntry ete = GetEncodingTableEntry(i); if (etePrev.platformID == ete.platformID) { if (etePrev.encodingID == ete.encodingID) { Subtable stPrev = GetSubtable(etePrev); Subtable st = GetSubtable(ete); if (stPrev.language > st.language) { bOrderOk = false; } } else if (etePrev.encodingID > ete.encodingID) { bOrderOk = false; } } else if (etePrev.platformID > ete.platformID) { bOrderOk = false; } etePrev = ete; } } if (bOrderOk) { v.Pass(T.cmap_SubtableSortOrder, P.cmap_P_SubtableSortOrder, m_tag); } else { v.Error(T.cmap_SubtableSortOrder, E.cmap_E_SubtableSortOrder, m_tag); bRet = false; } } else { v.Warning(T.cmap_SubtableSortOrder, W._TEST_W_OtherErrorsInTable, m_tag, "unable to validate sort order"); } } // Check that no encoding record has the same // (platformID,encodingID,language) // as the previous one. if (v.PerformTest(T.cmap_DuplicateSubtables)) { if (bOffsetsOk && bLengthsOk) { bool bNoDuplicates = true; if (NumberOfEncodingTables > 1) { EncodingTableEntry etePrev = GetEncodingTableEntry(0); for (uint i=1; i<NumberOfEncodingTables; i++) { EncodingTableEntry ete = GetEncodingTableEntry(i); if (etePrev.platformID == ete.platformID) { if (etePrev.encodingID == ete.encodingID) { Subtable stPrev = GetSubtable(etePrev); Subtable st = GetSubtable(ete); if (stPrev.language == st.language) { bNoDuplicates = false; } } } etePrev = ete; } } if (bNoDuplicates) { v.Pass(T.cmap_DuplicateSubtables, P.cmap_P_DuplicateSubtables, m_tag); } else { v.Error(T.cmap_DuplicateSubtables, E.cmap_E_DuplicateSubtables, m_tag); bRet = false; } } else { string unable = "unable to validate that there are " + "no duplicate subtables"; v.Warning(T.cmap_DuplicateSubtables, W._TEST_W_OtherErrorsInTable, m_tag, unable ); } } // Check that no subtable overlaps and subtable following it, // in other words, check for the beginning of one subtable // falling within the bounds of a subtable that follows it. if (v.PerformTest(T.cmap_SubtableOverlap)) { if (bOffsetsOk && bLengthsOk) { bool bNoOverlap = true; if (NumberOfEncodingTables > 1) { for (uint i=0; i<NumberOfEncodingTables; i++) { EncodingTableEntry ete1 = GetEncodingTableEntry(i); Subtable st1 = GetSubtable(ete1); for (uint j=i+1; j<NumberOfEncodingTables; j++) { EncodingTableEntry ete2 = GetEncodingTableEntry(j); Subtable st2 = GetSubtable(ete2); if ( (ete1.offset > ete2.offset && ete1.offset < ete2.offset + st2.length) || (ete2.offset > ete1.offset && ete2.offset < ete1.offset + st1.length) ) { v.Error(T.cmap_SubtableOverlap, E.cmap_E_SubtableOverlap, m_tag, i.ToString() + " " + j.ToString()); bRet = false; bNoOverlap = true; } } } } if (bNoOverlap) { v.Pass(T.cmap_SubtableOverlap, P.cmap_P_SubtableOverlap, m_tag); } } else { v.Warning(T.cmap_SubtableOverlap, W._TEST_W_OtherErrorsInTable, m_tag, "unable to validate that no subtables overlap"); } } // Check that all subtable formats (First USHORT in the subtable) // is an even number between 0 and 14, inclusive. if (v.PerformTest(T.cmap_ValidFormat)) { bool bAllFormatsValid = true; for (uint i=0; i<NumberOfEncodingTables; i++) { EncodingTableEntry ete = GetEncodingTableEntry(i); if (ete.offset < m_bufTable.GetLength()-1) { // the format of the subtable is the first uint16 ushort format = m_bufTable.GetUshort(ete.offset); if (format > HIGHEST_FORMAT || ((format&1)==1)) { string sDetails = "PlatID = " + ete.platformID + ", EncID = " + ete.encodingID + ", Fmt = " + format; v.Error(T.cmap_ValidFormat, E.cmap_E_SubtableValidFormat, m_tag, sDetails); bRet = false; bAllFormatsValid = false; } } else { string sDetails = "PlatID = " + ete.platformID + ", EncID = " + ete.encodingID; string unable = "unable to validate format number for subtable - "; v.Warning(T.cmap_ValidFormat, W._TEST_W_OtherErrorsInTable, m_tag, unable + sDetails); bAllFormatsValid = false; } } if (bAllFormatsValid) { v.Pass(T.cmap_ValidFormat, P.cmap_P_SubtableValidFormat, m_tag); } } // Assuming maxp is present, get the number of glyphs from maxp, // and for each subtable, run its validate routine. if (v.PerformTest(T.cmap_SubtableInternalFormat)) { if (fontOwner.GetTable("maxp") == null) { string cant = "can't check subtable internal formats - " + "maxp table inaccessible"; v.Warning(T.cmap_SubtableInternalFormat, W._TEST_W_ErrorInAnotherTable, m_tag, cant ); } else { for (uint i=0; i<NumberOfEncodingTables; i++) { bool bInternalFormatOk = true; EncodingTableEntry ete = GetEncodingTableEntry(i); Subtable st = GetSubtable(ete); if (st != null) { ushort numGlyphs = fontOwner.GetMaxpNumGlyphs(); string sIdentity = "PlatID = " + ete.platformID + ", EncID = " + ete.encodingID + ", Fmt = " + st.format; ISubtableValidate valSubtable = (ISubtableValidate)st; bInternalFormatOk = valSubtable.Validate(v, this, numGlyphs, sIdentity); bRet &= bInternalFormatOk; if (bInternalFormatOk) { v.Pass(T.cmap_SubtableInternalFormat, P.cmap_P_InternalFormat, m_tag, sIdentity); } } else { string sDetails = "PlatID = " + ete.platformID + ", EncID = " + ete.encodingID; v.Warning(T.cmap_SubtableInternalFormat, W._TEST_W_OtherErrorsInTable, m_tag, "unable to validate internal format " + "for subtable - " + sDetails); } } } } // Pass if there is at least one subtable with platformID == 1 and // one subtable with platformID == 3. // Warn if either is missing. if (v.PerformTest(T.cmap_AppleMSSupport)) { bool bFoundApple = false; bool bFoundMS = false; for (uint i=0; i<NumberOfEncodingTables; i++) { EncodingTableEntry ete = GetEncodingTableEntry(i); if (ete.platformID == 1) { bFoundApple = true; } else if (ete.platformID == 3) { bFoundMS = true; } } if (bFoundApple && bFoundMS) { v.Pass(T.cmap_AppleMSSupport, P.cmap_P_AppleMSSupport, m_tag); } else if (!bFoundApple) { v.Warning(T.cmap_AppleMSSupport, W.cmap_W_AppleMSSupport_A, m_tag); } else if (!bFoundMS) { v.Warning(T.cmap_AppleMSSupport, W.cmap_W_AppleMSSupport_M, m_tag); } } // Find encoding table with platformID==1, encodingID==0 // i.e., Macintosh. Make sure that the Apple Logo, code point 240, // is mapped to glyphID 0, a legal requirement for Microsoft fonts // developed for use on Apple platforms. if (v.PerformTest(T.cmap_AppleLogo)) { EncodingTableEntry ete = GetEncodingTableEntry(1,0); if (ete != null) { Subtable st = GetSubtable(ete); if (st != null) { byte[] charbuf = new byte[2]; charbuf[0] = 240; charbuf[1] = 0; uint glyph = st.MapCharToGlyph(charbuf, 0); if (glyph == 0) { v.Pass(T.cmap_AppleLogo, P.cmap_P_AppleLogo, m_tag); } else { v.Warning(T.cmap_AppleLogo, W.cmap_W_AppleLogo, m_tag); } } else { string sDetails = "PlatID = " + ete.platformID + ", EncID = " + ete.encodingID; string unable = "unable to validate apple logo for subtable - "; v.Warning(T.cmap_AppleLogo, W._TEST_W_OtherErrorsInTable, m_tag, unable + sDetails); } } else { v.Warning(T.cmap_AppleLogo, W.cmap_W_AppleLogo_NoMap, m_tag); } } // Euro symbol. // Unless there is a Microsoft Symbol encoding cmap (3,0): // * Make sure that any apple cmap(1,0) contains a glyph U+00db // * Make sure that any Microsoft Unicode cmap (3,1) contains // a glyph U+20AC. if (v.PerformTest(T.cmap_EuroGlyph)) { EncodingTableEntry eteSym = GetEncodingTableEntry(3,0); if (eteSym == null) { EncodingTableEntry eteMac = GetEncodingTableEntry(1,0); if (eteMac != null) { Subtable st = GetSubtable(eteMac); if (st != null) { byte[] charbuf = new byte[2]; charbuf[0] = 0xdb; charbuf[1] = 0; uint glyph = st.MapCharToGlyph(charbuf, 0); if (glyph != 0) { v.Pass(T.cmap_EuroGlyph, P.cmap_P_EuroGlyph_Mac, m_tag); } else { v.Warning(T.cmap_EuroGlyph, W.cmap_W_EuroGlyph_Mac, m_tag); } } else { string sDetails = "PlatID = " + eteMac.platformID + ", EncID = " + eteMac.encodingID; string unable = "unable to validate if euro glyph " + "is present for subtable - "; v.Warning(T.cmap_EuroGlyph, W._TEST_W_OtherErrorsInTable, m_tag, unable + sDetails); } } EncodingTableEntry eteUni = GetEncodingTableEntry(3,1); if (eteUni != null) { Subtable st = GetSubtable(eteUni); if (st != null) { byte[] charbuf = new byte[2]; charbuf[0] = 0xac; charbuf[1] = 0x20; uint glyph = st.MapCharToGlyph(charbuf, 0); if (glyph != 0) { v.Pass(T.cmap_EuroGlyph, P.cmap_P_EuroGlyph_Uni, m_tag); } else { v.Warning(T.cmap_EuroGlyph, W.cmap_W_EuroGlyph_Uni, m_tag); } } else { string sDetails = "PlatID = " + eteMac.platformID + ", EncID = " + eteMac.encodingID; string unable = "unable to validate if euro glyph" + " is present for subtable - "; v.Warning(T.cmap_EuroGlyph, W._TEST_W_OtherErrorsInTable, m_tag, unable + sDetails); } } } } // Make sure that no glyphs, other than "fi" and "fl" ligatures, // are mapped from the "private use area", that is, // 0xE000 - 0xF8FF. The above ligatures may only be a the // prescribed places. // // Checks that 0xf001 and 0xfb01 map to the same place, and // Checks that 0xf002 and 0xfb02 map to the same place. // // Only warn if a problem. if (v.PerformTest(T.cmap_PrivateUse)) { EncodingTableEntry eteUni = GetEncodingTableEntry(3,1); if (eteUni != null) { Subtable st = GetSubtable(eteUni); if (st != null) { bool bFoundGlyph = false; bool bFoundLigChar = false; byte[] charbuf = new byte[2]; for (char c='\xe000'; c<'\xf8ff'; c++) { uint glyph = fontOwner.FastMapUnicodeToGlyphID(c); if (glyph != 0) { if (c == '\xf001') { // check to see if this is the 'fi' ligature uint glyph2 = fontOwner. FastMapUnicodeToGlyphID('\xfb01'); if (glyph == glyph2) { bFoundLigChar = true; } else { bFoundGlyph = true; break; } } else if (c == '\xf002') { // check to see if this is the 'fl' ligature uint glyph2 = fontOwner. FastMapUnicodeToGlyphID('\xfb02'); if (glyph == glyph2) { bFoundLigChar = true; } else { bFoundGlyph = true; break; } } else { bFoundGlyph = true; break; } } } if (bFoundGlyph) { v.Warning(T.cmap_PrivateUse, W.cmap_W_UnicodePrivateUse, m_tag); } else if (bFoundLigChar) { v.Pass(T.cmap_PrivateUse, P.cmap_P_UnicodePrivateUse_lig, m_tag); } else { v.Pass(T.cmap_PrivateUse, P.cmap_P_UnicodePrivateUse, m_tag); } } else { string sDetails = "PlatID = " + eteUni.platformID + ", EncID = " + eteUni.encodingID; v.Warning(T.cmap_PrivateUse, W._TEST_W_OtherErrorsInTable, m_tag, "unable to validate Private Use Area " + "for subtable - " + sDetails); } } } // Check that subtable language field is zero if not mac platform if (v.PerformTest(T.cmap_NonMacSubtableLanguage)) { bool bOk = true; for (uint i=0; i<NumberOfEncodingTables; i++) { EncodingTableEntry ete = GetEncodingTableEntry(i); Subtable st = GetSubtable(ete); if (st != null) { if (ete.platformID != 1) // not mac { if (st.language != 0) { string sDetails = "PlatID = " + ete.platformID + ", EncID = " + ete.encodingID + ", Language = " + st.language; v.Error(T.cmap_SubtableLanguage, E.cmap_E_NonMacSubtableLanguage, m_tag, sDetails); bOk = false; } } } } if (bOk) { v.Pass(T.cmap_SubtableLanguage, P.cmap_P_NonMacSubtableLanguage, m_tag); } } return bRet; }
private bool CheckCodePageBit(int nBit, uint CodePage, string sName, Validator v, OTFont fontOwner) { bool bRet = true; int nTotalChars = 0; int nMissingChars = 0; // decode the bit number bool bBitSet; if (nBit < 32) { bBitSet = ((ulCodePageRange1 & (1<<nBit)) != 0); } else { bBitSet = ((ulCodePageRange2 & (1<<(nBit-32))) != 0); } if (nBit == 31) { // symbol character set Table_cmap cmapTable = (Table_cmap)fontOwner.GetTable("cmap"); if (cmapTable != null) { if (cmapTable.GetEncodingTableEntry(3,0) != null) { if (!bBitSet) { v.Error(T.T_NULL, E.OS_2_E_SymbolBitClear, m_tag); bRet = false; } } else { if (bBitSet) { int nPresentChars = 0; for (ushort c=0xf000; c<= 0xf0ff; c++) { if (fontOwner.FastMapUnicodeToGlyphID((char)c) != 0) { nPresentChars++; } } if (nPresentChars == 0) { v.Error(T.T_NULL, E.OS_2_E_SymbolBitSet, m_tag); bRet = false; } } } } else { v.Error(T.T_NULL, E._TEST_E_TableMissing, m_tag, "cmap"); bRet = false; } } else if (CodePage == 0) { // reserved field, bit should not be set if (bBitSet) { v.Error(T.T_NULL, E.OS_2_E_ReservedBitSet_CodePage, m_tag, "bit #" + nBit); bRet = false; } } else { try { if (MultiByte.IsCodePageInstalled(CodePage)) { ushort [] arrMissingChars = new ushort[10]; uint nMaxCharSize = MultiByte.GetCodePageMaxCharSize(CodePage); if (nMaxCharSize == 1) { for (ushort c = 0; c<256; c++) { // check for special case: MultiByteToWideChar maps char 0xca in CP1255 to U05BA, but CP1255 spec says its not defined if (CodePage != 1255 || c != 0xca) { CheckCodePageGlyph(CodePage, (char)c, ref nTotalChars, ref nMissingChars, arrMissingChars, fontOwner); } } } else if (nMaxCharSize == 2) { bool [] LeadByteMap = new bool[256]; for (int i=0; i<256; i++) { LeadByteMap[i] = MultiByte.IsCodePageLeadByte(CodePage, (byte)i); } for (ushort c = 0; c<256; c++) { if (LeadByteMap[c] == false) { CheckCodePageGlyph(CodePage, (char)c, ref nTotalChars, ref nMissingChars, arrMissingChars, fontOwner); } } for (uint leadbyte = 0; leadbyte<256; leadbyte++) { if (LeadByteMap[leadbyte] == true) { for (uint secondbyte = 0; secondbyte<256; secondbyte++) { char c = (char)((leadbyte << 8) + secondbyte); CheckCodePageGlyph(CodePage, c, ref nTotalChars, ref nMissingChars, arrMissingChars, fontOwner); } } } } else { Debug.Assert(false); } if (bBitSet) { if (nMissingChars != 0) { string sDetails = "bit #" + nBit + ", " + sName; int n = 0; if (nMissingChars <=10) { sDetails += " (missing chars:"; n = nMissingChars; } else { sDetails += " (" + nMissingChars + " missing, first ten missing chars are:"; n = 10; } for (int i=0; i<n; i++) { sDetails += " U" + arrMissingChars[i].ToString("X4"); } sDetails += ")"; v.Warning(T.T_NULL, W.OS_2_W_CodePageRangeBitSet, m_tag, sDetails); } } else { if (nMissingChars == 0) { v.Warning(T.T_NULL, W.OS_2_W_CodePageRangeBitClear, m_tag, "bit #" + nBit + ", " + sName); } } } else { v.ApplicationError(T.T_NULL, E.OS_2_A_CodePageNotInstalled, m_tag, "CodePage " + CodePage + " is not installed on the system"); } } catch (Exception e) { v.ApplicationError(T.T_NULL, E.OS_2_A_CodePageNotInstalled, m_tag, "CodePage " + CodePage + " throws an exception:" + e.Message); } } return bRet; }
public bool Validate(Validator v, OTTable table, ushort numGlyphs, String sIdentity) { bool bRet = true; // warn if not encoding id 10 if (m_ete.encodingID != 10) { v.Warning(T.T_NULL, W.cmap_W_f12_EncID, table.m_tag, sIdentity); } // check that groups are sorted by ascending startCharCodes if (nGroups > 1) { for (uint i=0; i<nGroups-1; i++) { Group gCurr = GetGroup(i); Group gNext = GetGroup(i+1); if (gCurr.startCharCode >= gNext.startCharCode) { v.Error(T.T_NULL, E.cmap_E_f12_SortOrder, table.m_tag, sIdentity); bRet = false; break; } } } // check each start code is less than or equal to the end code for (uint i=0; i<nGroups; i++) { Group g = GetGroup(i); if (g.startCharCode > g.endCharCode) { String sDetails = ", group[" + i + "], startCharCode = 0x" + g.startCharCode.ToString("X8") + ", endCharCode = 0x" + g.endCharCode.ToString("X8"); v.Error(T.T_NULL, E.cmap_E_f12_StartCode_GT_EndCode, table.m_tag, sIdentity + sDetails); bRet = false; } } // check the mapping for (uint i=0; i<nGroups; i++) { Group g = GetGroup(i); uint c = g.endCharCode; uint nGlyphID = g.startGlyphID + (c - g.startCharCode); if (nGlyphID >= numGlyphs) { v.Error(T.T_NULL, E.cmap_E_Mapping, table.m_tag, sIdentity + ", char = 0x" + ((uint)c).ToString("X4") + ", glyphID = " + nGlyphID); bRet = false; } } // if encoding id 10, then check that the greatest character // is not greater than 0x10ffff if (m_ete.encodingID == 10) { if (nGroups > 0) { Group lastgroup = GetGroup(nGroups-1); if (lastgroup.endCharCode > 0x10ffff) { v.Error(T.T_NULL, E.cmap_E_f12_EndCode_GT_10FFFF, table.m_tag, sIdentity + ", last endCharCode = 0x" + lastgroup.endCharCode.ToString("X8")); bRet = false; } } } return bRet; }
public bool Validate(Validator v, string sIdentity, OTTable table) { bool bRet = true; // check that ClassRangeRecord array doesn't extend past end of table if (m_offsetClassDefFormat2 + (uint)FieldOffsets.ClassRangeRecordArray + ClassRangeCount*6 > m_bufTable.GetLength()) { v.Error(T.T_NULL, E._OTL_ClassDefinitionTable_E_RangeRecordArrayPastEOT, table.m_tag, sIdentity); bRet = false; } // check that ClassRangeRecord array is in sorted order if (ClassRangeCount > 1) { for (uint i=0; i<ClassRangeCount-1; i++) { ClassRangeRecord ThisCrr = GetClassRangeRecord(i); ClassRangeRecord NextCrr = GetClassRangeRecord(i+1); if (ThisCrr.Start >= NextCrr.Start) { v.Error(T.T_NULL, E._OTL_ClassDefinitionTable_E_RangeRecordArray_order, table.m_tag, sIdentity); bRet = false; // temporary debug code /* v.DebugMsg("ClassRangeCount = " + ClassRangeCount, tag); for (uint j=0; j<ClassRangeCount; j++) { ClassRangeRecord crr = GetClassRangeRecord(j); v.DebugMsg("ClassRangeRecord[" + j + "].Start = " + crr.Start, tag); } */ break; } } } 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 bool Validate(Validator v, string sIdentity, OTTable table) { bool bRet = true; // check StartSize for unreasonable values if (StartSize > 16384) { v.Warning(T.T_NULL, W._OTL_DeviceTable_W_StartSize, table.m_tag, sIdentity + ", StartSize = " + StartSize); } // check EndSize for unreasonable values if (EndSize > 16384) { v.Warning(T.T_NULL, W._OTL_DeviceTable_W_EndSize, table.m_tag, sIdentity + ", EndSize = " + EndSize); } // check that StartSize <= EndSize if (StartSize > EndSize) { v.Error(T.T_NULL, E._OTL_DeviceTable_E_sizes, table.m_tag, sIdentity); bRet = false; } // check DeltaFormat is 1, 2, or 3 if (DeltaFormat < 1 || DeltaFormat > 3) { v.Error(T.T_NULL, E._OTL_DeviceTable_E_DeltaFormat, table.m_tag, sIdentity + ", DeltaFormat = " + DeltaFormat); bRet = false; } else { // check that DeltaValue array doesn't extend past the end of the table int nSizes = EndSize - StartSize + 1; int nValuesPerUint = 16 >> DeltaFormat; int nUints = nSizes / nValuesPerUint; if (nSizes % nValuesPerUint != 0) nUints++; if (m_offsetDeviceTable + (uint)FieldOffsets.DeltaValueArray + nUints > m_bufTable.GetLength()) { v.Error(T.T_NULL, E._OTL_DeviceTable_E_DeltaValueArray_pastEOT, table.m_tag, sIdentity); bRet = false; } } // way too many device tables to justify this pass message //if (bRet) //{ // v.Pass("_OTL_DeviceTable_P_valid", table.m_tag, sIdentity); //} return bRet; }
public bool Validate(Validator v, string sIdentity, OTTable table) { bool bRet = true; if (m_offsetClassDefFormat1 + (uint)FieldOffsets.ClassValueArray + GlyphCount*2 > m_bufTable.GetLength()) { v.Error(T.T_NULL, E._OTL_ClassDefinitionTable_E_GlyphArrayPastEOT, table.m_tag, sIdentity); bRet = false; } return bRet; }
public bool Validate(Validator v, OTTable table, ushort numGlyphs, String sIdentity) { bool bRet = true; // check that segCountX2 is even if ((segCountX2 & 1) == 1) { v.Error(T.T_NULL, E.cmap_E_f4_segCountX2, table.m_tag, sIdentity + ", segCountX2 = " + segCountX2); bRet = false; } // check searchRange ushort segCount = (ushort)(segCountX2 / 2); ushort CalculatedSearchRange = (ushort)(2 * util.MaxPower2LE(segCount)); if (searchRange != CalculatedSearchRange) { v.Error(T.T_NULL, E.cmap_E_f4_searchRange, table.m_tag, sIdentity + ", searchRange = " + searchRange + ", calc = " + CalculatedSearchRange); bRet = false; } // check entrySelector ushort CalculatedEntrySelector = util.Log2((ushort)(CalculatedSearchRange/2)); if (entrySelector != CalculatedEntrySelector) { v.Error(T.T_NULL, E.cmap_E_f4_entrySelector, table.m_tag, sIdentity + ", entrySelector = " + entrySelector + ", calc = " + CalculatedEntrySelector); bRet = false; } // check rangeShift ushort CalculatedRangeShift = (ushort)(2 * segCount - CalculatedSearchRange); if (rangeShift != CalculatedRangeShift) { v.Error(T.T_NULL, E.cmap_E_f4_rangeShift, table.m_tag, sIdentity + ", rangeShift = " + rangeShift + ", calc = " + CalculatedRangeShift); bRet = false; } // check that final endCode value is 0xffff if (GetEndCode((uint)segCount-1) != 0xffff) { v.Error(T.T_NULL, E.cmap_E_f4_FinalEndCode, table.m_tag, sIdentity + ", endCode[" + (segCount-1) + "] = " + GetEndCode((uint)segCount-1)); bRet = false; } // check that end character codes are in ascending order if (segCount > 1) { for (uint i=0; i<segCount-1; i++) { if (GetEndCode(i) >= GetEndCode(i+1)) { v.Error(T.T_NULL, E.cmap_E_f4_EndCodeOrder, table.m_tag, sIdentity); bRet = false; break; } } } // check that the reservedPad is zero if ( m_ete.offset + (uint)FieldOffsets.endCode + segCountX2 < m_bufTable.GetLength() && reservedPad != 0) { v.Error(T.T_NULL, E.cmap_E_f4_reservedPad, table.m_tag, sIdentity); bRet = false; } // check that each start character code is not greater than // the corresponding end character code for (uint i=0; i<segCount; i++) { if (GetStartCode(i) > GetEndCode(i)) { String sDetails = ", startCode[" + i + "] = " + GetStartCode(i) + " , endCode[" + i + "] = " + GetEndCode(i); v.Error(T.T_NULL, E.cmap_E_f4_StartCode_GT_EndCode, table.m_tag, sIdentity + sDetails); bRet = false; } } // check that each delta value (where idRangeOffset == 0) // added to the start code is not negative for (uint i=0; i<segCount; i++) { if (GetIdRangeOffset(i) == 0) { if (GetIdDelta(i) + GetStartCode(i) < 0) { String sDetails = ", idDelta[" + i + "] = " + GetIdDelta(i) + ", startCode[" + i + "] = " + GetStartCode(i); v.Error(T.T_NULL, E.cmap_E_f4_idDeltaNeg, table.m_tag, sIdentity + sDetails); bRet = false; } } } // check range offsets for (uint i=0; i<segCount; i++) { ushort idRangeOffset = GetIdRangeOffset(i); ushort endCode = GetEndCode(i); ushort startCode = GetStartCode(i); if (idRangeOffset != 0) { uint AddressOfIdRangeOffset = (uint)FieldOffsets.endCode + segCountX2*3u + 2 + i*2; uint obscureIndex = (uint) (idRangeOffset + (endCode - startCode)*2 + AddressOfIdRangeOffset); if (obscureIndex > length) { v.Error(T.T_NULL, E.cmap_E_f4_idRangeOffset, table.m_tag, sIdentity + ", idRangeOffset[" + i + "] = " + idRangeOffset); bRet = false; } } } // check that glyph ids are less than numGlyphs for (uint i=0; i<segCount; i++) { int nGlyphMappingErrors = 0; // Report the first 10 errors and // a count of errors after that. int nMaxMappingErrors = 10; ushort idRangeOffset = GetIdRangeOffset(i); ushort endCode = GetEndCode(i); ushort startCode = GetStartCode(i); short idDelta = GetIdDelta(i); ushort nGlyph; for (uint j=startCode; j<= endCode; j++) { ushort c = (ushort)j; nGlyph = 0; if (idRangeOffset == 0) { nGlyph = (ushort)(c + idDelta); } else { uint AddressOfIdRangeOffset = (uint) FieldOffsets.endCode + segCountX2*3u + 2 + i*2; uint obscureIndex = (uint) (idRangeOffset + (c-startCode)*2 + AddressOfIdRangeOffset); // throw out invalid indexes for this test // (they should have already been reported) if (obscureIndex < length && (m_ete.offset + obscureIndex < m_bufTable.GetLength())) { nGlyph = m_bufTable.GetUshort(m_ete.offset + obscureIndex); } if (nGlyph !=0 ) { nGlyph = (ushort)(nGlyph + idDelta); } } if (nGlyph > numGlyphs) { // it is possible that an entire segment is bad. // That causes a hang like behavior and a // bloated error file // that cannot be opened because it is so huge. if (nGlyphMappingErrors < nMaxMappingErrors) { v.Error(T.T_NULL, E.cmap_E_Mapping, table.m_tag, sIdentity + ", char = 0x" + c.ToString("X4") + ", glyphID = " + nGlyph); } nGlyphMappingErrors++; } } if (nGlyphMappingErrors >= nMaxMappingErrors) { string sDetails = sIdentity + ", segment = " + i + " has " + nGlyphMappingErrors + " glyphs mapped out of range"; v.Error(T.T_NULL, E.cmap_E_Mapping, table.m_tag, sDetails); bRet = false; } } return bRet; }
public bool Validate(Validator v, string sIdentity, OTTable table) { bool bRet = true; bool bScriptTableOk = true; // check the DefaultLangSys offset if (DefaultLangSysOffset != 0) { if (m_offsetScriptTable + DefaultLangSysOffset > m_bufTable.GetLength()) { v.Error(T.T_NULL, E._OTL_ScriptTable_E_DefaultLangSysOffset, table.m_tag, sIdentity); bScriptTableOk = false; bRet = false; } else { // check the DefaultLangSys table LangSysTable_val lst = GetDefaultLangSysTable_val(); bRet &= lst.Validate(v, sIdentity + ", DefaultLangSysTable", table); } } // check the LansgSysRecord array length if (m_offsetScriptTable + (uint)FieldOffsets.LangSysRecord + LangSysCount * 6 > m_bufTable.GetLength()) { v.Error(T.T_NULL, E._OTL_ScriptTable_E_LangSysRecordArray_pastEOT, table.m_tag, sIdentity); bScriptTableOk = false; bRet = false; } // check that the LangSysRecord array is sorted alphabetically if (LangSysCount > 1) { for (uint i=0; i<LangSysCount-1; i++) { LangSysRecord ThisLsr = GetLangSysRecord(i); LangSysRecord NextLsr = GetLangSysRecord(i+1); if (ThisLsr.LangSysTag >= NextLsr.LangSysTag) { v.Error(T.T_NULL, E._OTL_ScriptTable_E_LangSysRecordArray_order, table.m_tag, sIdentity); bScriptTableOk = false; bRet = false; } } } // check each LangSysRecord for (uint i=0; i<LangSysCount; i++) { LangSysRecord lsr = GetLangSysRecord(i); // check the tag if (!lsr.LangSysTag.IsValid()) { v.Error(T.T_NULL, E._OTL_ScriptTable_E_LangSysRecord_tag, table.m_tag, sIdentity + ", LangSysRecord[" + i + "]"); bScriptTableOk = false; bRet = false; } // check the offset if (m_offsetScriptTable + lsr.LangSysOffset > m_bufTable.GetLength()) { v.Error(T.T_NULL, E._OTL_ScriptTable_E_LangSysRecord_offset, table.m_tag, sIdentity + ", LangSysRecord[" + i + "]"); bScriptTableOk = false; bRet = false; } // validate the langsys table LangSysTable_val lst = GetLangSysTable_val(lsr); bRet &= lst.Validate(v, sIdentity + ", LangSysRecord[" + i + "], LangSysTable", table); } if (bScriptTableOk) { v.Pass(T.T_NULL, P._OTL_ScriptTable_P_valid, table.m_tag, sIdentity); } return bRet; }
public bool Validate(Validator v, OTTable table, ushort numGlyphs, String sIdentity) { bool bRet = true; // check the length if (length != 262) { v.Error(T.T_NULL, E.cmap_E_f0_length, table.m_tag, sIdentity); bRet = false; } // check the mapping for (char c = (char)0; c<256; c++) { ushort nGlyphID = GetGlyphID(c); if (nGlyphID >= numGlyphs) { v.Error(T.T_NULL, E.cmap_E_Mapping, table.m_tag, sIdentity + ", char = 0x" + ((uint)c).ToString("X4") + ", glyphID = " + nGlyphID); bRet = false; } } return bRet; }
public bool Validate(Validator v, string sIdentity, OTTable table) { bool bRet = true; bool bFeatureListOk = true; // check the FeatureRecord array length if (m_offsetFeatureListTable + (uint)FieldOffsets.FeatureRecordArray + FeatureCount*6 > m_bufTable.GetLength()) { v.Error(T.T_NULL, E._OTL_FeatureListTable_E_FeatureRecordArray_pastEOT, table.m_tag, sIdentity); bFeatureListOk = false; bRet = false; } // check that the FeatureRecord array is sorted alphabetically if (FeatureCount > 1) { for (uint i=0; i<FeatureCount-1; i++) { FeatureRecord frCurr = GetFeatureRecord(i); FeatureRecord frNext = GetFeatureRecord(i+1); if (frCurr.FeatureTag > frNext.FeatureTag) { v.Error(T.T_NULL, E._OTL_FeatureListTable_E_FeatureRecordArray_order, table.m_tag, sIdentity); bFeatureListOk = false; bRet = false; break; } } } // check each FeatureRecord for (uint i=0; i<FeatureCount; i++) { FeatureRecord fr = GetFeatureRecord(i); if (fr != null) { // check tag if (!fr.FeatureTag.IsValid()) { v.Error(T.T_NULL, E._OTL_FeatureListTable_E_FeatureRecord_tag, table.m_tag, sIdentity + ", FeatureRecord[" + i + "]"); bFeatureListOk = false; bRet = false; } else if (!IsKnownFeatureTag(fr.FeatureTag)) { v.Warning(T.T_NULL, W._OTL_FeatureListTable_W_FeatureRecord_tag, table.m_tag, sIdentity + ", FeatureRecord[" + i + "], tag = '" + fr.FeatureTag + "'"); } // check offset if (m_offsetFeatureListTable + fr.FeatureTableOffset > m_bufTable.GetLength()) { v.Error(T.T_NULL, E._OTL_FeatureListTable_E_FeatureRecord_offset, table.m_tag, sIdentity + ", FeatureRecord[" + i + "]"); bFeatureListOk = false; bRet = false; } else { // validate the feature table FeatureTable_val ft = GetFeatureTable_val(fr); bRet &= ft.Validate(v, sIdentity + ", FeatureRecord[" + i + "]" + "(" + (string)fr.FeatureTag + ")" + ", FeatureTable", table); } } else { bFeatureListOk = false; bRet = false; } } if (bFeatureListOk) { v.Pass(T.T_NULL, P._OTL_FeatureListTable_P_valid, table.m_tag, sIdentity); } return bRet; }
public bool Validate(Validator v, string sIdentity, OTTable table) { bool bRet = true; // check that FeatureParams is null if (FeatureParams != 0) { v.Error(T.T_NULL, E._OTL_FeatureTable_E_FeatureParams_nonnull, table.m_tag, sIdentity); bRet = false; } // check LookupListIndex array length if (m_offsetFeatureTable + (uint)FieldOffsets.LookupListIndexArray + LookupCount * 2 > m_bufTable.GetLength()) { v.Error(T.T_NULL, E._OTL_FeatureTable_E_LookupListIndexArray_pastEOT, table.m_tag, sIdentity); bRet = false; } if (bRet) { v.Pass(T.T_NULL, P._OTL_FeatureTable_P_valid, table.m_tag, sIdentity); } return bRet; }
public bool Validate(Validator v, string sIdentity, OTTable table) { bool bRet = true; bool bLookupListOk = true; // check that the Lookup array doesn't extend past end of table if (m_offsetLookupListTable + (uint)FieldOffsets.LookupArray + LookupCount * 2 > m_bufTable.GetLength()) { v.Error(T.T_NULL, E._OTL_LookupListTable_E_LookupArray_pastEOT, table.m_tag, sIdentity); bLookupListOk = false; bRet = false; } // check that each offset is within the table for (uint i=0; i<LookupCount; i++) { if (m_offsetLookupListTable + GetLookupOffset(i) > m_bufTable.GetLength()) { v.Error(T.T_NULL, E._OTL_LookupListTable_E_Lookup_offset, table.m_tag, sIdentity + ", Lookup[" + i + "]"); bLookupListOk = false; bRet = false; } } // validate each lookup table for (uint i=0; i<LookupCount; i++) { LookupTable_val lt = GetLookupTable_val(i); if (lt != null) { bRet &= lt.Validate(v, sIdentity + ", Lookup[" + i + "]", table); } else { bLookupListOk = false; bRet = false; } } if (bLookupListOk) { v.Pass(T.T_NULL, P._OTL_LookupListTable_P_valid, table.m_tag, sIdentity); } return bRet; }
/************************ * public methods */ public bool Validate(Validator v, OTFontVal fontOwner) { bool bRet = true; if (v.PerformTest(T.head_TableLength)) { if (m_bufTable.GetLength() == 54) { v.Pass(T.head_TableLength, P.head_P_TableLength, m_tag); } else { v.Error(T.head_TableLength, E.head_E_TableLength, m_tag, m_bufTable.GetLength().ToString()); bRet = false; } } if (v.PerformTest(T.head_TableVersion)) { if (TableVersionNumber.GetUint() == 0x00010000) { v.Pass(T.head_TableVersion, P.head_P_TableVersion, m_tag); } else { v.Error(T.head_TableVersion, E.head_E_TableVersion, m_tag, "0x"+TableVersionNumber.GetUint().ToString("x8")); bRet = false; } } if (v.PerformTest(T.head_fontRevision)) { string sVersion = fontOwner.GetFontVersion(); if (sVersion != null) { if (sVersion.Length >= 11 && sVersion.StartsWith("Version ") && Char.IsDigit(sVersion, 8)) { string sVersionNum = sVersion.Substring(8); bool bFoundDecPt = false; int nLastDigitPos = 0; for (int i=0; i<sVersionNum.Length; i++) { if (Char.IsDigit(sVersionNum, i)) { nLastDigitPos = i; } else if (sVersionNum[i] == '.') { if (!bFoundDecPt) { bFoundDecPt = true; } else { break; } } else { break; } } double fVersion = Double.Parse(sVersionNum.Substring(0, nLastDigitPos+1)); double fRevision = fontRevision.GetDouble(); if (Math.Round(fVersion, 3) == Math.Round(fRevision, 3)) { v.Pass(T.head_fontRevision, P.head_P_fontRevision, m_tag, fRevision.ToString("f3")); } else { string s = "revision: " + fRevision.ToString("f3") + ", version: " + sVersionNum; v.Warning(T.head_fontRevision, W.head_W_fontRevision, m_tag, s); } } } } if (v.PerformTest(T.head_ChecksumAdjustment)) { if (checkSumAdjustment == 0xb1b0afba - fontOwner.CalcChecksum()) { v.Pass(T.head_ChecksumAdjustment, P.head_P_FontChecksum, m_tag, "0x"+checkSumAdjustment.ToString("x8")); } else { v.Error(T.head_ChecksumAdjustment, E.head_E_FontChecksum, m_tag, "0x"+checkSumAdjustment.ToString("x8")); bRet = false; } } if (v.PerformTest(T.head_MagicNumber)) { if (magicNumber == 0x5f0f3cf5) { v.Pass(T.head_MagicNumber, P.head_P_MagicNumber, m_tag); } else { v.Error(T.head_MagicNumber, E.head_E_MagicNumber, m_tag, "0x"+magicNumber.ToString("x8")); bRet = false; } } if (v.PerformTest(T.head_FlagTests)) { ushort val = flags; // bit 0 indicates baseline for font at y=0 // bit 1 indicates left sidebearing point at x=0 // bit 2 indicates instructions may depend on point size // bit 3 indicates forcing ppem to integer values instead of fractional values // bit 4 indicates non-linear scaling - if set allows presence of LTSH and/or hdmx tables Table_hdmx hdmxTable = (Table_hdmx)fontOwner.GetTable("hdmx"); Table_LTSH LTSHTable = (Table_LTSH)fontOwner.GetTable("LTSH"); if ((val & 0x0010) == 0) { if (hdmxTable == null) { v.Pass(T.head_FlagTests, P.head_P_flags_bit4_0_hdmx, m_tag); } else { v.Error(T.head_FlagTests, E.head_E_flags_bit4_0_hdmx, m_tag); } if (LTSHTable == null) { v.Pass(T.head_FlagTests, P.head_P_flags_bit4_0_LTSH, m_tag); } else { v.Error(T.head_FlagTests, E.head_E_flags_bit4_0_LTSH, m_tag); } } else { if (hdmxTable != null) { v.Pass(T.head_FlagTests, P.head_P_flags_bit4_1_hdmx, m_tag); } else { v.Warning(T.head_FlagTests, W.head_W_flags_bit4_1_hdmx, m_tag); } if (LTSHTable != null) { v.Pass(T.head_FlagTests, P.head_P_flags_bit4_1_LTSH, m_tag); } else { v.Warning(T.head_FlagTests, W.head_W_flags_bit4_1_LTSH, m_tag); } } // bits 5 - 10 are used by apple and ignored by windows // bit 11 indicates font data is 'lossless' as a result of having been compressed/decompressed // bit 12 indicates a converted font // bit 13 indicates optimized for cleartype // bit 14 reserved if ((val & 0x4000) == 0) { v.Pass(T.head_FlagTests, P.head_P_flags_bit14, m_tag); } else { v.Error(T.head_FlagTests, E.head_E_flags_bit14, m_tag, val.ToString()); bRet = false; } // bit 15 reserved if ((val & 0x8000) == 0) { v.Pass(T.head_FlagTests, P.head_P_flags_bit15, m_tag); } else { v.Error(T.head_FlagTests, E.head_E_flags_bit15, m_tag, val.ToString()); bRet = false; } } if (v.PerformTest(T.head_UnitsPerEmValues)) { ushort val = unitsPerEm; bool bInRange = false; if (val < 16) // opentype spec says min value is 16 { v.Error(T.head_UnitsPerEmValues, E.head_E_unitsPerEm_LT16, m_tag, val.ToString()); bRet = false; } else if (val < 64) // apple spec says min value is 64 { v.Warning(T.head_UnitsPerEmValues, W.head_W_unitsPerEM_LT64, m_tag, val.ToString()); } else if (val > 16384) { v.Error(T.head_UnitsPerEmValues, E.head_E_unitsPerEM_GT16384, m_tag, val.ToString()); bRet = false; } else { bInRange = true; } // apple spec says unitsPerEm must be power of two // but don't check if it's a CFF font if (!fontOwner.ContainsPostScriptOutlines()) { bool bPowerOfTwo = false; for (int i=0; i<16; i++) { ushort nPow2 = (ushort)(1<<i); if (val == nPow2) { bPowerOfTwo = true; break; } } if (bPowerOfTwo) { if (bInRange) { v.Pass(T.head_UnitsPerEmValues, P.head_P_unitsPerEm, m_tag, val.ToString()); } } else { v.Warning(T.head_UnitsPerEmValues, W.head_W_unitsPerEm_Pow2, m_tag, val.ToString()); } } } if (v.PerformTest(T.head_Dates)) { DateTime dtBeforeTrueType = new DateTime(1985, 1, 1); if ((created >> 32) == 0) { DateTime dtCreated = this.GetCreatedDateTime(); if (created == 0) { v.Warning(T.head_Dates, W.head_W_created_0, m_tag); } else if (dtCreated < dtBeforeTrueType || dtCreated > DateTime.Now) { string sDetails = "created = " + created + " (" + dtCreated.ToString("f", null) + ")"; v.Warning(T.head_Dates, W.head_W_created_unlikely, m_tag, sDetails); } else { v.Pass(T.head_Dates, P.head_P_created_0, m_tag); } } else { string sDetails = "created = 0x" + created.ToString("x16"); v.Error(T.head_Dates, E.head_E_created_invalid, m_tag, sDetails); bRet = false; } if ((modified >> 32) == 0) { DateTime dtModified = this.GetModifiedDateTime(); if (modified == 0) { v.Warning(T.head_Dates, W.head_W_modified_0, m_tag); } else if (dtModified < dtBeforeTrueType || dtModified > DateTime.Now) { string sDetails = "modified = " + modified + " (" + dtModified.ToString("f", null) + ")"; v.Warning(T.head_Dates, W.head_W_modified_unlikely, m_tag, sDetails); } else { v.Pass(T.head_Dates, P.head_P_modified_0, m_tag); } } else { string sDetails = "modified = 0x" + modified.ToString("x16"); v.Error(T.head_Dates, E.head_E_modified_invalid, m_tag, sDetails); bRet = false; } } if (v.PerformTest(T.head_MinMaxValues)) { if (fontOwner.ContainsTrueTypeOutlines()) { if (xMin > xMax) { v.Error(T.head_MinMaxValues, E.head_E_xMin_GT_xMax, m_tag); bRet = false; } if (yMin > yMax) { v.Error(T.head_MinMaxValues, E.head_E_yMin_GT_yMax, m_tag); bRet = false; } short xMinExpected = 32767; short xMaxExpected = -32768; short yMinExpected = 32767; short yMaxExpected = -32768; Table_glyf glyfTable = (Table_glyf)fontOwner.GetTable("glyf"); if (glyfTable != null) { Table_maxp maxp = (Table_maxp)fontOwner.GetTable("maxp"); if (maxp != null) { for (uint i=0; i<fontOwner.GetMaxpNumGlyphs(); i++) { Table_glyf.header h = glyfTable.GetGlyphHeader(i, fontOwner); if (h != null) { if (xMinExpected > h.xMin) xMinExpected = h.xMin; if (xMaxExpected < h.xMax) xMaxExpected = h.xMax; if (yMinExpected > h.yMin) yMinExpected = h.yMin; if (yMaxExpected < h.yMax) yMaxExpected = h.yMax; } } if (xMin == xMinExpected) { String s = "xMin = " + xMin; v.Pass(T.head_MinMaxValues, P.head_P_xMin_glyf, m_tag, s); } else { string s = "actual: " + xMin + ", expected: " + xMinExpected; v.Error(T.head_MinMaxValues, E.head_E_xMin_glyf, m_tag, s); bRet = false; } if (yMin == yMinExpected) { String s = "yMin = " + yMin; v.Pass(T.head_MinMaxValues, P.head_P_yMin_glyf, m_tag, s); } else { string s = "actual: " + yMin + ", expected: " + yMinExpected; v.Error(T.head_MinMaxValues, E.head_E_yMin_glyf, m_tag, s); bRet = false; } if (xMax == xMaxExpected) { String s = "xMax = " + xMax; v.Pass(T.head_MinMaxValues, P.head_P_xMax_glyf, m_tag, s); } else { string s = "actual: " + xMax + ", expected: " + xMaxExpected; v.Error(T.head_MinMaxValues, E.head_E_xMax_glyf, m_tag, s); bRet = false; } if (yMax == yMaxExpected) { String s = "yMax = " + yMax; v.Pass(T.head_MinMaxValues, P.head_P_yMax_glyf, m_tag, s); } else { string s = "actual: " + yMax + ", expected: " + yMaxExpected; v.Error(T.head_MinMaxValues, E.head_E_yMax_glyf, m_tag, s); bRet = false; } } else { v.Error(T.head_MinMaxValues, E._TEST_E_TableMissing, m_tag, "maxp"); } } else { v.Error(T.head_MinMaxValues, E._TEST_E_TableMissing, m_tag, "glyf"); } } else { v.Info(T.head_MinMaxValues, I._TEST_I_NotForCFF, m_tag, "test = head_MinMaxValues"); } } if (v.PerformTest(T.head_MacStyleBits)) { bool bMacBold = ((macStyle & 0x0001) != 0); bool bMacItal = ((macStyle & 0x0002) != 0); // subfamily (style) string Table_name nameTable = (Table_name)fontOwner.GetTable("name"); string sStyle = null; string sStyleLower = null; if (nameTable != null) { sStyle = nameTable.GetStyleString(); if (sStyle != null) { sStyleLower = sStyle.ToLower(); } } if (sStyleLower != null) { if (bMacBold && sStyleLower.IndexOf("bold") == -1) { v.Error(T.head_MacStyleBits, E.head_E_macStyleBold_subfamily, m_tag, "macStyle bold bit is set, but subfamily is " + sStyle); bRet = false; } else if (!bMacBold && sStyleLower.IndexOf("bold") != -1) { v.Error(T.head_MacStyleBits, E.head_E_macStyleBold_subfamily, m_tag, "macStyle bold bit is clear, but subfamily is " + sStyle); bRet = false; } else { v.Pass(T.head_MacStyleBits, P.head_P_macStyleBold_subfamily, m_tag); } if (bMacItal && sStyleLower.IndexOf("italic") == -1 && sStyleLower.IndexOf("oblique") == -1) { v.Error(T.head_MacStyleBits, E.head_E_macStyleItal_subfamily, m_tag, "macStyle italic bit is set, but subfamily is " + sStyle); bRet = false; } else if (!bMacItal && (sStyleLower.IndexOf("italic") != -1 || sStyleLower.IndexOf("oblique") != -1)) { v.Error(T.head_MacStyleBits, E.head_E_macStyleItal_subfamily, m_tag, "macStyle italic bit is clear, but subfamily is " + sStyle); bRet = false; } else { v.Pass(T.head_MacStyleBits, P.head_P_macStyleItal_subfamily, m_tag); } } Table_OS2 OS2Table = (Table_OS2)fontOwner.GetTable("OS/2"); if (OS2Table != null) { // fsSelection bool bOS2Bold = ((OS2Table.fsSelection & 0x0020) != 0); bool bOS2Ital = ((OS2Table.fsSelection & 0x0001) != 0); if (bMacBold == bOS2Bold) { v.Pass(T.head_MacStyleBits, P.head_P_macStyleBold_OS2, m_tag); } else if (bMacBold) { v.Error(T.head_MacStyleBits, E.head_E_macStyleBold1_OS2, m_tag); bRet = false; } else { v.Error(T.head_MacStyleBits, E.head_E_macStyleBold0_OS2, m_tag); bRet = false; } if (bMacItal == bOS2Ital) { v.Pass(T.head_MacStyleBits, P.head_P_macStyleItal_OS2, m_tag); } else if (bMacItal) { v.Error(T.head_MacStyleBits, E.head_E_macStyleItal1_OS2, m_tag); bRet = false; } else { v.Error(T.head_MacStyleBits, E.head_E_macStyleItal0_OS2, m_tag); bRet = false; } } Table_post postTable = (Table_post)fontOwner.GetTable("post"); if (postTable != null) { bool bPostItal = (postTable.italicAngle.GetUint() != 0); if (bMacItal == bPostItal) { v.Pass(T.head_MacStyleBits, P.head_P_macStyleItal_post, m_tag); } else if (bMacItal) { v.Error(T.head_MacStyleBits, E.head_E_macStyleItal1_post, m_tag); bRet = false; } else { v.Error(T.head_MacStyleBits, E.head_E_macStyleItal0_post, m_tag); bRet = false; } } } if (v.PerformTest(T.head_LowestRecSize)) { if (lowestRecPPEM == 0) { v.Error(T.head_LowestRecSize, E.head_E_lowestRecPPEM_zero, m_tag); bRet = false; } else if (lowestRecPPEM >= 1 && lowestRecPPEM <= 6) { v.Warning(T.head_LowestRecSize, W.head_W_lowestRecPPEM_small, m_tag, "lowestRecPPEM = " + lowestRecPPEM.ToString()); } else if (lowestRecPPEM >= 36) { v.Warning(T.head_LowestRecSize, W.head_W_lowestRecPPEM_large, m_tag, "lowestRecPPEM = " + lowestRecPPEM.ToString()); } else { v.Pass(T.head_LowestRecSize, P.head_P_lowestRecPPEM, m_tag); } } if (v.PerformTest(T.head_FontDirectionHint)) { if (fontDirectionHint >= -2 && fontDirectionHint <= 2) { v.Pass(T.head_FontDirectionHint, P.head_P_fontDirectionHint, m_tag, fontDirectionHint.ToString()); } else { v.Error(T.head_FontDirectionHint, E.head_E_fontDirectionHint, m_tag, fontDirectionHint.ToString()); bRet = false; } } if (v.PerformTest(T.head_IndexToLocFormat)) { if (fontOwner.ContainsPostScriptOutlines()) { v.Pass(T.head_IndexToLocFormat, P.head_P_indexToLocFormat_ignore, m_tag, "indexToLocFormat = " + indexToLocFormat); } else { if (indexToLocFormat == 0 || indexToLocFormat == 1) { v.Pass(T.head_IndexToLocFormat, P.head_P_indexToLocFormat_range, m_tag, indexToLocFormat.ToString()); } else { v.Error(T.head_IndexToLocFormat, E.head_E_indexToLocFormat_range, m_tag, indexToLocFormat.ToString()); bRet = false; } if (indexToLocFormat == 0 || indexToLocFormat == 1) { Table_loca locaTable = (Table_loca)fontOwner.GetTable("loca"); if (locaTable != null) { Table_maxp maxpTable = (Table_maxp)fontOwner.GetTable("maxp"); if (maxpTable != null) { uint locaTableElementSize = 0; if (indexToLocFormat == 0) locaTableElementSize = 2; else if (indexToLocFormat == 1) locaTableElementSize = 4; uint CalcLocaLength = (uint)(maxpTable.NumGlyphs + 1) * locaTableElementSize; if (CalcLocaLength == locaTable.GetLength()) { v.Pass(T.head_IndexToLocFormat, P.head_P_indexToLocFormat_match, m_tag, indexToLocFormat.ToString()); } else { v.Error(T.head_IndexToLocFormat, E.head_E_indexToLocFormat_match, m_tag, indexToLocFormat.ToString()); bRet = false; } } else { v.Error(T.head_IndexToLocFormat, E._TEST_E_TableMissing, m_tag, "maxp"); } } else { v.Error(T.head_IndexToLocFormat, E._TEST_E_TableMissing, m_tag, "loca"); } } } } if (v.PerformTest(T.head_GlyphDataFormat)) { if (glyphDataFormat == 0) { v.Pass(T.head_GlyphDataFormat, P.head_P_glyphDataFormat, m_tag); } else { v.Error(T.head_GlyphDataFormat, E.head_E_glyphDataFormat, m_tag); bRet = false; } } return bRet; }
public bool Validate(Validator v, OTTable table, ushort numGlyphs, String sIdentity) { bool bRet = true; // check the mapping byte [] charbuf = new byte[2]; for (uint i = 0; i<=65535; i++) { char c = (char)i; charbuf[0] = (byte)c; charbuf[1] = (byte)(c>>8); uint nGlyphID = MapCharToGlyph(charbuf, 0); if (nGlyphID >= numGlyphs) { v.Error(T.T_NULL, E.cmap_E_Mapping, table.m_tag, sIdentity + ", char = 0x" + ((uint)c).ToString("X4") + ", glyphID = " + nGlyphID); bRet = false; } } return bRet; }
public bool Validate(Validator v, string sIdentity, OTTable table) { bool bRet = true; if (LookupOrder != 0) { v.Error(T.T_NULL, E._OTL_LangSysTable_E_LookupOrder, table.m_tag, sIdentity); bRet = false; } if (m_offsetLangSysTable + (uint)FieldOffsets.FeatureIndexArray + FeatureCount*2 > m_bufTable.GetLength()) { v.Error(T.T_NULL, E._OTL_LangSysTable_E_FeatureIndexArray_pastEOT, table.m_tag, sIdentity); bRet = false; } if (bRet) { v.Pass(T.T_NULL, P._OTL_LangSysTable_P_valid, table.m_tag, sIdentity); } 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 bool Validate(Validator v, string sIdentity, OTTable table) { bool bRet = true; bool bScriptListOk = true; // check that ScriptRecord array doesn't extend past end of table if (m_offsetScriptListTable + (uint)FieldOffsets.ScriptRecords + 6*ScriptCount > m_bufTable.GetLength()) { v.Error(T.T_NULL, E._OTL_ScriptListTable_E_ScriptRecordArray_pastEOT, table.m_tag, sIdentity); bScriptListOk = false; bRet = false; } // check that ScriptRecord array is in alphabetical order if (ScriptCount > 1) { for (uint i=0; i<ScriptCount-1; i++) { ScriptRecord srCurr = GetScriptRecord(i); ScriptRecord srNext = GetScriptRecord(i+1); if (srCurr.ScriptTag >= srNext.ScriptTag) { v.Error(T.T_NULL, E._OTL_ScriptListTable_E_ScriptRecordArray_order, table.m_tag, sIdentity); bScriptListOk = false; bRet = false; } } } // check each ScriptRecord for (uint i=0; i<ScriptCount; i++) { // check the tag ScriptRecord sr = GetScriptRecord(i); if (!sr.ScriptTag.IsValid()) { v.Error(T.T_NULL, E._OTL_ScriptListTable_E_ScriptRecord_tag, table.m_tag, sIdentity + ", ScriptRecord[" + i + "]"); bScriptListOk = false; bRet = false; } // check the offset if (m_offsetScriptListTable + sr.ScriptTableOffset > m_bufTable.GetLength()) { v.Error(T.T_NULL, E._OTL_ScriptListTable_E_ScriptRecord_offset, table.m_tag, sIdentity + ", ScriptRecord[" + i + "]"); bScriptListOk = false; bRet = false; } // validate the ScriptTable ScriptTable_val st = GetScriptTable_val(sr); bRet &= st.Validate(v, sIdentity + ", ScriptRecord[" + i + "](" + sr.ScriptTag + "), ScriptTable", table); } if (bScriptListOk) { v.Pass(T.T_NULL, P._OTL_ScriptListTable_P_valid, table.m_tag, sIdentity); } return bRet; }
/************************ * public methods */ public bool Validate(Validator v, OTFontVal fontOwner) { bool bRet = true; if (v.PerformTest(T.PCLT_TableLength)) { if (GetLength() == 54) { v.Pass(T.PCLT_TableLength, P.PCLT_P_TableLength, m_tag); } else { v.Error(T.PCLT_TableLength, E.PCLT_E_TableLength, m_tag, GetLength().ToString()); bRet = false; } } if (v.PerformTest(T.PCLT_Version)) { if (Version.GetUint() == 0x00010000) { v.Pass(T.PCLT_Version, P.PCLT_P_Version, m_tag); } else { v.Error(T.PCLT_Version, E.PCLT_E_Version, m_tag, "0x"+Version.GetUint().ToString("x8")); bRet = false; } } if (v.PerformTest(T.PCLT_Pitch)) { Table_hmtx hmtxTable = (Table_hmtx)fontOwner.GetTable("hmtx"); Table_maxp maxpTable = (Table_maxp)fontOwner.GetTable("maxp"); if (hmtxTable == null) { v.Error(T.PCLT_Pitch, E._TEST_E_TableMissing, m_tag, "hmtx"); bRet = false; } else if (maxpTable == null) { v.Error(T.PCLT_Pitch, E._TEST_E_TableMissing, m_tag, "maxp"); bRet = false; } else { uint iSpaceGlyph = fontOwner.FastMapUnicodeToGlyphID(' '); if (iSpaceGlyph < fontOwner.GetMaxpNumGlyphs()) { Table_hmtx.longHorMetric hmSpace = hmtxTable.GetOrMakeHMetric(iSpaceGlyph, fontOwner); if (hmSpace != null) { if (Pitch == hmSpace.advanceWidth) { v.Pass(T.PCLT_Pitch, P.PCLT_P_Pitch, m_tag); } else { string s = "actual = " + Pitch + ", expected = " + hmSpace.advanceWidth; v.Error(T.PCLT_Pitch, E.PCLT_E_Pitch, m_tag, s); bRet = false; } } } else { // JJF Figure out what to do v.Warning(T.PCLT_Pitch, W._TEST_W_ErrorInAnotherTable, m_tag, "can't validate Pitch field, error getting the space glyph"); bRet = false; } } } if (v.PerformTest(T.PCLT_Style)) { ushort Posture = (ushort)(Style & 0x0003); ushort Width = (ushort)((Style>>2) & 0x0007); ushort Structure = (ushort)((Style>>5) & 0x001f); ushort Reserved = (ushort)(Style>>10); bool bBitsOk = true; if (Posture == 3) { v.Error(T.PCLT_Style, E.PCLT_E_Style_Posture, m_tag, "0x"+Style.ToString("x4")); bBitsOk = false; bRet = false; } if (Width == 5) { v.Error(T.PCLT_Style, E.PCLT_E_Style_Width, m_tag, "0x"+Style.ToString("x4")); bBitsOk = false; bRet = false; } if (Structure > 17) { v.Error(T.PCLT_Style, E.PCLT_E_Style_Structure, m_tag, "0x"+Style.ToString("x4")); bBitsOk = false; bRet = false; } if (Reserved != 0) { v.Error(T.PCLT_Style, E.PCLT_E_Style_Reserved, m_tag, "0x"+Style.ToString("x4")); bBitsOk = false; bRet = false; } if (bBitsOk) { v.Pass(T.PCLT_Style, P.PCLT_P_Style, m_tag); } } if (v.PerformTest(T.PCLT_StrokeWeight)) { if (StrokeWeight >= -7 && StrokeWeight <= 7) { v.Pass(T.PCLT_StrokeWeight, P.PCLT_P_StrokeWeight, m_tag, StrokeWeight.ToString()); } else { v.Error(T.PCLT_StrokeWeight, E.PCLT_E_StrokeWeight, m_tag, StrokeWeight.ToString()); bRet = false; } } if (v.PerformTest(T.PCLT_WidthType)) { if (WidthType >= -5 && WidthType <= 5) { v.Pass(T.PCLT_WidthType, P.PCLT_P_WidthType, m_tag, WidthType.ToString()); } else { v.Error(T.PCLT_WidthType, E.PCLT_E_WidthType, m_tag, WidthType.ToString()); bRet = false; } } if (v.PerformTest(T.PCLT_SerifStyle)) { uint bot6 = (uint)SerifStyle & 0x3f; uint top2 = (uint)SerifStyle>>6; bool bBitsOk = true; if (bot6 > 12) { v.Error(T.PCLT_SerifStyle, E.PCLT_E_Bottom6, m_tag, "0x"+SerifStyle.ToString("x2")); bBitsOk = false; bRet = false; } if (top2 == 0 || top2 == 3) { v.Error(T.PCLT_SerifStyle, E.PCLT_E_Top2, m_tag); bBitsOk = false; bRet = false; } if (bBitsOk) { v.Pass(T.PCLT_SerifStyle, P.PCLT_P_SerifStyle, m_tag); } } if (v.PerformTest(T.PCLT_Reserved)) { if (Reserved == 0) { v.Pass(T.PCLT_Reserved, P.PCLT_P_Reserved, m_tag); } else { v.Error(T.PCLT_Reserved, E.PCLT_E_Reserved, m_tag, Reserved.ToString()); bRet = false; } } return bRet; }
/************************ * public methods */ public bool Validate(Validator v, OTFontVal fontOwner) { bool bRet = true; ushort numGlyphs = GetNumGlyphs(fontOwner); if (v.PerformTest(T.hdmx_Version)) { if (TableVersionNumber == 0) { v.Pass(T.hdmx_Version, P.hdmx_P_Version, m_tag); } else { v.Error(T.hdmx_Version, E.hdmx_E_Version, m_tag, TableVersionNumber.ToString()); bRet = false; } } bool bNumDeviceRecordsOk = true; if (v.PerformTest(T.hdmx_NumDeviceRecords)) { if (NumberDeviceRecords >= 0) { v.Pass(T.hdmx_NumDeviceRecords, P.hdmx_P_NumDeviceRecords, m_tag, NumberDeviceRecords.ToString()); } else { v.Error(T.hdmx_NumDeviceRecords, E.hdmx_E_NumDeviceRecords_neg, m_tag, NumberDeviceRecords.ToString()); bNumDeviceRecordsOk = false; bRet = false; } } bool bSizeOk = true; if (v.PerformTest(T.hdmx_SizeofDeviceRecord)) { if ((SizeofDeviceRecord & 3) != 0) { v.Error(T.hdmx_SizeofDeviceRecord, E.hdmx_E_SizeofDeviceRecord_alignment, m_tag, SizeofDeviceRecord.ToString()); bSizeOk = false; bRet = false; } uint CalculatedSizeofDeviceRecord = CalculateSizeofDeviceRecord(numGlyphs); if (SizeofDeviceRecord != CalculatedSizeofDeviceRecord) { string s = "actual = " + SizeofDeviceRecord + ", calc = " + CalculatedSizeofDeviceRecord; v.Error(T.hdmx_SizeofDeviceRecord, E.hdmx_E_SizeofDeviceRecord_numGlyphs, m_tag, s); bSizeOk = false; bRet = false; } if (bSizeOk) { v.Pass(T.hdmx_SizeofDeviceRecord, P.hdmx_P_SizeofDeviceRecord, m_tag, SizeofDeviceRecord.ToString()); } } bool bLengthOk = true; if (v.PerformTest(T.hdmx_TableLength)) { if (bNumDeviceRecordsOk) { uint CalculatedTableLength = 8 + (uint)NumberDeviceRecords * CalculateSizeofDeviceRecord(numGlyphs); if (GetLength() == CalculatedTableLength) { v.Pass(T.hdmx_TableLength, P.hdmx_P_TableLength, m_tag); } else { string s = "actual: " + GetLength() + ", calc: " + CalculatedTableLength; v.Error(T.hdmx_TableLength, E.hdmx_E_TableLength, m_tag, s); bLengthOk = false; bRet = false; } } else { v.Warning(T.hdmx_TableLength, W._TEST_W_OtherErrorsInTable, m_tag, "unable to validate table length"); } } if (v.PerformTest(T.hdmx_DeviceRecordPadBytesZero)) { if (bSizeOk && bLengthOk & bNumDeviceRecordsOk) { uint unpaddedLength = (uint)numGlyphs + 2; if ((unpaddedLength & 3) == 0) { v.Pass(T.hdmx_DeviceRecordPadBytesZero, P.hdmx_P_DeviceRecordPadBytes_none, m_tag); } else { bool bPadOk = true; if (NumberDeviceRecords > 1) { for (uint i=0; i<NumberDeviceRecords; i++) { DeviceRecord dr = GetDeviceRecord(i, numGlyphs); for (uint j=0; j<dr.GetNumPadBytes(); j++) { if (dr.GetPadByte(j) != 0) { bPadOk = false; break; } } } } if (bPadOk) { v.Pass(T.hdmx_DeviceRecordPadBytesZero, P.hdmx_P_DeviceRecordPadBytes_zero, m_tag); } else { v.Error(T.hdmx_DeviceRecordPadBytesZero, E.hdmx_E_DeviceRecordPadBytes_nonzero, m_tag); bRet = false; } } } else { v.Warning(T.hdmx_DeviceRecordPadBytesZero, W._TEST_W_OtherErrorsInTable, m_tag, "unable to validate that device record padding bytes are zero"); } } if (v.PerformTest(T.hdmx_SortedOrder)) { if (bSizeOk && bLengthOk && bNumDeviceRecordsOk) { bool bSortOk = true; if (NumberDeviceRecords > 1) { DeviceRecord drCurr = GetDeviceRecord(0, numGlyphs); DeviceRecord drNext = null; for (uint i=1; i<NumberDeviceRecords; i++) { drNext = GetDeviceRecord(i, numGlyphs); if (drCurr.PixelSize >= drNext.PixelSize) { bSortOk = false; break; } drCurr = drNext; } } if (bSortOk) { v.Pass(T.hdmx_SortedOrder, P.hdmx_P_SortedOrder, m_tag); } else { v.Error(T.hdmx_SortedOrder, E.hdmx_E_SortedOrder, m_tag); bRet = false; } } else { v.Warning(T.hdmx_SortedOrder, W._TEST_W_OtherErrorsInTable, m_tag, "unable to validate that device records are in sorted order"); } } if (v.PerformTest(T.hdmx_DuplicateDeviceRecords)) { if (bSizeOk && bLengthOk && bNumDeviceRecordsOk) { bool bNoDup = true; if (NumberDeviceRecords > 1) { for (uint i=0; i<NumberDeviceRecords-1; i++) { DeviceRecord dr1 = GetDeviceRecord(i, numGlyphs); for (uint j=i+1; j<NumberDeviceRecords; j++) { DeviceRecord dr2 = GetDeviceRecord(j, numGlyphs); if (dr1.PixelSize == dr2.PixelSize) { bNoDup = false; break; } } } } if (bNoDup) { v.Pass(T.hdmx_DuplicateDeviceRecords, P.hdmx_P_DuplicateDeviceRecords, m_tag); } else { v.Error(T.hdmx_DuplicateDeviceRecords, E.hdmx_E_DuplicateDeviceRecords, m_tag); bRet = false; } } else { v.Warning(T.hdmx_DuplicateDeviceRecords, W._TEST_W_OtherErrorsInTable, m_tag, "unable to validate that there are no duplicate device records"); } } if (v.PerformTest(T.hdmx_Widths)) { if (bSizeOk && bLengthOk && bNumDeviceRecordsOk) { bool bWidthsOk = true; RasterInterf.DevMetricsData dmd = null; try { Version ver = fontOwner.GetFile().GetRasterizer().FTVersion; if ( ver.CompareTo(new Version(2,6,1)) < 0 ) v.Warning(T.hdmx_Widths, W.hdmx_W_Need_Newer_FreeType, m_tag, "Using FreeType Version " + ver + " may not get correct results for HDMX"); dmd = fontOwner.GetCalculatedDevMetrics(); } catch (Exception e) { v.ApplicationError(T.hdmx_Widths, E._Table_E_Exception, m_tag, e.Message); bRet = false; } if (dmd != null) { for (uint i=0; i<NumberDeviceRecords; i++) { DeviceRecord dr = GetDeviceRecord(i, numGlyphs); for (uint iGlyph=0; iGlyph<numGlyphs; iGlyph++) { if (dr.GetWidth(iGlyph) != dmd.hdmxData.Records[i].Widths[iGlyph]) { String sDetails = "rec " + i + ", PixelSize " + dr.PixelSize + ", glyph# " + iGlyph + ", width = " + dr.GetWidth(iGlyph) + ", calc = " + dmd.hdmxData.Records[i].Widths[iGlyph]; v.Error(T.hdmx_Widths, E.hdmx_E_Widths, m_tag, sDetails); bWidthsOk = false; bRet = false; } } } if (bWidthsOk) { v.Pass(T.hdmx_Widths, P.hdmx_P_Widths, m_tag); } } else { // if user didn't cancel, then check for error message if (!v.CancelFlag) { String sDetails = null; try { sDetails = fontOwner.GetDevMetricsDataError(); } catch (Exception e) { v.ApplicationError(T.hdmx_Widths, E._Table_E_Exception, m_tag, e.Message); } Debug.Assert(sDetails != null); v.Error(T.hdmx_Widths, E.hdmx_E_Rasterizer, m_tag, sDetails); bRet = false; } } } else { v.Warning(T.hdmx_Widths, W._TEST_W_OtherErrorsInTable, m_tag, "unable to validate that the widths are correct"); } } return bRet; }
public bool Validate(Validator v, string sIdentity, OTTable table) { bool bRet = true; // check the LookupType if (((string)table.m_tag == "GPOS") && LookupType > 9 || ((string)table.m_tag == "GSUB" && LookupType > 8)) { v.Error(T.T_NULL, E._OTL_LookupTable_E_LookupType, table.m_tag, sIdentity + ", LookupType = " + LookupType); bRet = false; } // check LookupFlag reserved bits are clear if ((LookupFlag & 0x00f0) != 0) { v.Error(T.T_NULL, E._OTL_LookupTable_E_LookupFlag_reserved, table.m_tag, sIdentity); bRet = false; } // check Subtable offset array doesn't extend past end of table if (m_offsetLookupTable + (uint)FieldOffsets.SubTableOffsetArray + SubTableCount*2 > m_bufTable.GetLength()) { v.Error(T.T_NULL, E._OTL_LookupTable_E_SubtableArray_pastEOT, table.m_tag, sIdentity); bRet = false; } // check Subtable offsets don't point past end of table for (uint i=0; i<SubTableCount; i++) { // verify that the subtable offset is accessible, if not error was already reported if (m_offsetLookupTable + (uint)FieldOffsets.SubTableOffsetArray + i*2 + 2 <= m_bufTable.GetLength()) { if (m_offsetLookupTable + GetSubTableOffset(i) > m_bufTable.GetLength()) { v.Error(T.T_NULL, E._OTL_LookupTable_E_SubtableArray_offset, table.m_tag, sIdentity + ", SubTable[" + i + "]"); bRet = false; } } } // way too many lookup tables to justify this pass message //if (bRet) //{ // v.Pass("_OTL_LookupTable_P_valid", table.m_tag, sIdentity); //} // validate each subtable for (uint i=0; i<SubTableCount; i++) { // verify that the subtable offset is accessible, if not error was already reported if (m_offsetLookupTable + (uint)FieldOffsets.SubTableOffsetArray + i*2 + 2 <= m_bufTable.GetLength()) { // verify subtable offset is valid if (m_offsetLookupTable + GetSubTableOffset(i) <= m_bufTable.GetLength()) { SubTable st = GetSubTable(i); if (st != null) { I_OTLValidate iv = (I_OTLValidate)st; bRet &= iv.Validate(v, sIdentity + ", SubTable[" + i + "]", table); } else { v.Warning(T.T_NULL, W._TEST_W_OtherErrorsInTable, table.m_tag, "unable to validate subtable: " + sIdentity + ", SubTable[" + i + "]"); } } else { v.Warning(T.T_NULL, W._TEST_W_OtherErrorsInTable, table.m_tag, "unable to validate subtable: " + sIdentity + ", SubTable[" + i + "]"); } } } return bRet; }
public bool Validate(Validator v, string sIdentity, OTTable table) { bool bRet = true; if (ClassFormat == 1) { ClassDefFormat1_val cdf1 = GetClassDefFormat1_val(); bRet &= cdf1.Validate(v, sIdentity + "(Fmt1)", table); } else if (ClassFormat == 2) { ClassDefFormat2_val cdf2 = GetClassDefFormat2_val(); bRet &= cdf2.Validate(v, sIdentity + "(Fmt2)", table); } else { v.Error(T.T_NULL, E._OTL_ClassDefinitionTable_E_Format, table.m_tag, sIdentity + ", format = " + ClassFormat.ToString()); bRet = false; } // way too many ClassDefTables to justify this pass message //if (bRet) //{ // v.Pass("_OTL_ClassDefinitionTable_P_valid", table.m_tag, sIdentity); //} return bRet; }
/************************ * public methods */ public bool Validate(Validator v, OTFontVal fontOwner) { bool bRet = true; if (v.PerformTest(T.VDMX_Version)) { if (version == 0 || version == 1) { v.Pass(T.VDMX_Version, P.VDMX_P_Version, m_tag, version.ToString()); } else { v.Error(T.VDMX_Version, E.VDMX_E_Version, m_tag, version.ToString()); bRet = false; } } if (v.PerformTest(T.VDMX_Offsets)) { bool bOffsetsOk = true; ushort minPossibleOffset = (ushort)((ushort)FieldOffsets.ratRange + numRatios * 4 + numRatios*2); ushort maxPossibleOffset = (ushort)GetLength(); for (uint i=0; i<numRatios; i++) { ushort offset = GetVdmxGroupOffset(i); if (offset < minPossibleOffset || offset > maxPossibleOffset) { v.Error(T.VDMX_Offsets, E.VDMX_E_InvalidOffset, m_tag, "#" + i + " offset = " + offset); bOffsetsOk = false; bRet = false; } } if (bOffsetsOk) { v.Pass(T.VDMX_Offsets, P.VDMX_P_Offsets, m_tag); } } if (v.PerformTest(T.VDMX_GroupsInTable)) { bool bGroupsOk = true; for (uint i=0; i<numRatios; i++) { Vdmx vdmx = GetVdmxGroup(i); uint EndOffset = (uint)GetVdmxGroupOffset(i) + 4 + (uint)vdmx.recs*6; if (EndOffset > GetLength()) { v.Error(T.VDMX_GroupsInTable, E.VDMX_E_GroupsInTable, m_tag, "group# " + i); bGroupsOk = false; bRet = false; } } if (bGroupsOk) { v.Pass(T.VDMX_GroupsInTable, P.VDMX_P_GroupsInTable, m_tag); } } if (v.PerformTest(T.VDMX_CompareToCalcData)) { bool bDataOk = true; bool needtol = false; RasterInterf.DevMetricsData dmd = null; try { Version ver = fontOwner.GetFile().GetRasterizer().FTVersion; if ( ver.CompareTo(new Version(2,6,1)) < 0 ) v.Warning(T.VDMX_CompareToCalcData, W.VDMX_W_Need_Newer_FreeType, m_tag, "Using FreeType Version " + ver + " may not get correct results for VDMX"); dmd = fontOwner.GetCalculatedDevMetrics(); } catch (InvalidOperationException e) { // JJF Figure out what to do. Changed to warning v.Warning(T.VDMX_CompareToCalcData, W._TEST_W_ErrorInAnotherTable, m_tag, e.Message); } catch(Exception e) { v.ApplicationError(T.VDMX_CompareToCalcData, E._Table_E_Exception, m_tag, e.Message); bRet = false; } if (dmd != null) { for (uint iRatio=0; iRatio<numRatios; iRatio++) { Ratios ratio = GetRatioRange(iRatio); Vdmx group = GetVdmxGroup(iRatio); for (uint iEntry=0; iEntry<group.recs; iEntry++) { Vdmx.vTable vTableEntry = group.GetEntry(iEntry); if (vTableEntry.yPelHeight <= 255) { if (vTableEntry.yPelHeight == dmd.vdmxData.groups[iRatio].entry[vTableEntry.yPelHeight - group.startsz].yPelHeight) { if (vTableEntry.yMin != dmd.vdmxData.groups[iRatio].entry[iEntry].yMin || vTableEntry.yMax != dmd.vdmxData.groups[iRatio].entry[iEntry].yMax){ int dif = dmd.vdmxData.groups[iRatio].entry[iEntry].yMax - dmd.vdmxData.groups[iRatio].entry[iEntry].yMin; if (!TestTolerance(dmd.vdmxData.groups[iRatio].entry[iEntry].yMin, vTableEntry.yMin, dif) || !TestTolerance(dmd.vdmxData.groups[iRatio].entry[iEntry].yMax, vTableEntry.yMax, dif)) { String sDetails = "group[" + iRatio + "], entry[" + iEntry + "], yPelHeight = " + vTableEntry.yPelHeight + ", yMin,yMax = " + vTableEntry.yMin + "," + vTableEntry.yMax + ", calculated yMin,yMax = " + dmd.vdmxData.groups[iRatio].entry[iEntry].yMin + "," + dmd.vdmxData.groups[iRatio].entry[iEntry].yMax; v.Error(T.VDMX_CompareToCalcData, E.VDMX_E_CalcData, m_tag, sDetails); bDataOk = false; } else { needtol = true; } } /* else { String s = "group[" + iRatio + "], yPelHeight = " + vTableEntry.yPelHeight + ", entry OK"; v.DebugMsg(s, m_tag); } */ } else { Debug.Assert(false); } } else { String sDetails = "group[" + iRatio + "], entry[" + iEntry + "], yPelHeight = " + vTableEntry.yPelHeight; v.Error(T.VDMX_CompareToCalcData, E.VDMX_E_yPelHeight_illegal, m_tag, sDetails); bDataOk = false; } } } if (bDataOk) { if (needtol) { String sDetails = "The differences were smaller than the tolerance, so they may well be valid if the VDMX was hand-tuned"; v.Warning(T.VDMX_CompareToCalcData, W.VDMX_W_CalcData, m_tag, sDetails); } else { v.Pass(T.VDMX_CompareToCalcData, P.VDMX_P_CalcData, m_tag); } } else { //v.Error(T.VDMX_CompareToCalcData, E.VDMX_E_CalcData, m_tag); bRet = false; } } else { // Rasterization could not occur for various reasons. string s = "Unable to get calculated device metrics."; v.Error(T.VDMX_CompareToCalcData, E.VDMX_E_CalcData, m_tag, s); bDataOk = false; bRet = false; } } return bRet; }
public bool Validate(Validator v, string sIdentity, OTTable table) { bool bRet = true; if (CoverageFormat == 1) { if (m_offsetCoverageTable + (uint)FieldOffsets1.GlyphArray + F1GlyphCount*2 > m_bufTable.GetLength()) { v.Error(T.T_NULL, E._OTL_CoverageTable_E_GlyphArrayPastEOT, table.m_tag, sIdentity); bRet = false; } } else if (CoverageFormat == 2) { if (m_offsetCoverageTable + (uint)FieldOffsets2.RangeRecordArray + F2RangeCount*6 > m_bufTable.GetLength()) { v.Error(T.T_NULL, E._OTL_CoverageTable_E_RangeRecordArrayPastEOT, table.m_tag, sIdentity); bRet = false; } } else { v.Error(T.T_NULL, E._OTL_CoverageTable_E_Format, table.m_tag, sIdentity + ", format = " + CoverageFormat.ToString()); bRet = false; } // way too many coverage tables to justify this pass message //if (bRet) //{ // v.Pass("_OTL_CoverageTable_P_valid", table.m_tag, sIdentity); //} return bRet; }