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 methods
*/
public OTTable GetTable(OTFont fontOwner, DirectoryEntry de)
{
// first try getting it from the table cache
OTTable table = GetTableFromCache(de);
if (table == null)
{
if ( de.length != 0
&& de.offset != 0
&& de.offset < m_file.GetFileLength()
&& de.offset + de.length <= m_file.GetFileLength())
{
// read the table from the file
MBOBuffer buf = m_file.ReadPaddedBuffer(de.offset, de.length);
if (buf != null)
{
// put the buffer into a table object
table = CreateTableObject(de.tag, buf);
// add the table to the cache
CachedTables.Add(table);
}
}
}
return table;
}
public header GetGlyphHeader(uint iGlyph, OTFont fontOwner)
{
if (iGlyph >= fontOwner.GetMaxpNumGlyphs())
{
throw new ArgumentOutOfRangeException("iGlyph");
}
header h = null;
Table_loca locaTable = (Table_loca)fontOwner.GetTable("loca");
if (locaTable != null)
{
int offsGlyph, length;
if (locaTable.GetEntryGlyf((int)iGlyph,
out offsGlyph, out length, fontOwner))
{
if (length != 0)
{
h = new header((uint)offsGlyph, m_bufTable);
}
}
}
return(h);
}
/************************
* public static methods
*/
/// <summary>Return a new OTFont by reading a single font from an
/// OTFile starting at a given file position.
/// <p/>
/// The type of the font is set by determining whether there is
/// a 'glyf' table or a 'CFF ' table.
/// </summary>
public static OTFont ReadFont(OTFile file, uint FontFileNumber, uint filepos)
{
OTFont f = null;
OffsetTable ot = ReadOffsetTable(file, filepos);
if (ot != null)
{
if (ot.numTables == ot.DirectoryEntries.Count)
{
OutlineType olt = OutlineType.OUTLINE_INVALID;
for (int i = 0; i < ot.DirectoryEntries.Count; i++)
{
DirectoryEntry temp = (DirectoryEntry)ot.DirectoryEntries[i];
string sTable = (string)temp.tag;
if (sTable == "CFF ")
{
olt = OutlineType.OUTLINE_POSTSCRIPT;
break;
}
else if (sTable == "glyf")
{
olt = OutlineType.OUTLINE_TRUETYPE;
break;
}
}
f = new OTFont(file, FontFileNumber, ot, olt);
}
}
return(f);
}
// writing a font file
/// <summary>Write single font or collection to disk.</summary>
public static bool WriteFile(string sFilename, OTFont[] fonts)
{
bool bRet = true;
if (fonts.Length == 0)
{
// illegal - need at least one font
throw new ApplicationException("zero length font array");
}
else
{
// open the font file for writing
FileStream fs = new FileStream(sFilename, FileMode.Create, FileAccess.ReadWrite, FileShare.None);
// write it
if (fonts.Length == 1)
{
bRet = WriteSfntFile(fs, fonts[0]);
}
else
{
bRet = WriteTTCFile(fs, fonts);
}
// close the font file
fs.Close();
fs = null;
}
return bRet;
}
/************************
* public methods
*/
public OTTable GetTable(OTFont fontOwner, DirectoryEntry de)
{
// first try getting it from the table cache
OTTable table = GetTableFromCache(de);
if (table == null)
{
if (de.length != 0 &&
de.offset != 0 &&
de.offset < m_file.GetFileLength() &&
de.offset + de.length <= m_file.GetFileLength())
{
// read the table from the file
MBOBuffer buf = m_file.ReadPaddedBuffer(de.offset, de.length);
if (buf != null)
{
// put the buffer into a table object
table = CreateTableObject(de.tag, buf);
// add the table to the cache
CachedTables.Add(table);
}
}
}
return(table);
}
public uint GetNumLeftSideBearingEntries(OTFont fontOwner)
{
uint nhm = GetNumberOfHMetrics(fontOwner);
uint numGlyphs = fontOwner.GetMaxpNumGlyphs();
return(numGlyphs - nhm);
}
/// <summary>Read and parse font, either a single font or a single
/// font from a collection, using the <c>OTFont</c> class.
/// </summary>
public OTFont GetFont(uint i)
{
OTFont f = null;
Debug.Assert(i < m_nFonts);
Debug.Assert(m_FontFileType != FontFileType.INVALID);
if (i > 0)
{
Debug.Assert(m_FontFileType == FontFileType.COLLECTION);
}
if (i < m_nFonts)
{
if (m_FontFileType == FontFileType.SINGLE)
{
f = OTFont.ReadFont(this, 0, 0);
}
else if (m_FontFileType == FontFileType.COLLECTION)
{
Debug.Assert(m_ttch != null);
if (m_ttch != null)
{
uint nDirOffset = (uint)m_ttch.DirectoryOffsets[(int)i];
f = OTFont.ReadFont(this, i, nDirOffset);
}
}
}
return(f);
}
public uint GetGlyphInfoOffset(uint iGlyph, OTFont fontOwner)
{
if (iGlyph >= fontOwner.GetMaxpNumGlyphs())
{
throw new ArgumentOutOfRangeException("iGlyph");
}
return(m_bufTable.GetUint((uint)FieldOffsets.offsets + iGlyph * 4));
}
protected int SizeEntry(OTFont fontOwner)
{
this.Format(fontOwner);
if ((this.m_format != 0) && (this.m_format != 1))
{
return(Table_loca.ValueInvalid);
}
return((this.m_format == 0)?2:4);
}
protected int SizeEntry(OTFont fontOwner)
{
this.Format(fontOwner);
if ((this.m_format!=0)&&(this.m_format!=1))
{
return Table_loca.ValueInvalid;
}
return (this.m_format==0)?2:4;
}
/*
* CONSTRUCTORS
*/
public I_IOGlyphsFile()
{
this.m_font=null;
this.m_tableLoca=null;
this.m_tableGlyf=null;
this.m_validator=null;
this.m_numGlyph=GConsts.IND_UNINITIALIZED;
this.m_toCloseFileOnClear=false;
}
public short GetLeftSideBearing(uint i, OTFont fontOwner)
{
if (i >= GetNumLeftSideBearingEntries(fontOwner))
{
throw new ArgumentOutOfRangeException("i");
}
uint nhm = GetNumberOfHMetrics(fontOwner);
return(m_bufTable.GetShort(nhm * 4 + i * 2));
}
/************************
* protected methods
*/
protected ushort GetNumberOfHMetrics(OTFont fontOwner)
{
Table_hhea hheaTable = (Table_hhea)fontOwner.GetTable("hhea");
if (hheaTable != null)
{
m_nNumberOfHMetrics = hheaTable.numberOfHMetrics;
}
//Debug.Assert(numberOfHMetrics != 0);
return(m_nNumberOfHMetrics);
}
protected int NumGlyph(OTFont fontOwner)
{
if (this.m_numGlyph == Table_loca.ValueInvalid)
{
Table_maxp tableMaxp = (Table_maxp)fontOwner.GetTable("maxp");
if (tableMaxp != null)
{
this.m_numGlyph = tableMaxp.NumGlyphs;
}
}
return(this.m_numGlyph);
}
private int m_numGlyph; // from maxp
/*
* METHODS: ACCESS
*/
protected int LengthGlyf(OTFont fontOwner)
{
if (this.m_lengthGlyf == Table_loca.ValueInvalid)
{
DirectoryEntry deGlyf = fontOwner.GetDirectoryEntry("glyf");
if (deGlyf != null)
{
this.m_lengthGlyf = (int)deGlyf.length;
}
}
return(this.m_lengthGlyf);
}
private int m_numGlyph; // from maxp
/*
* METHODS: ACCESS
*/
protected int LengthGlyf(OTFont fontOwner)
{
if (this.m_lengthGlyf==Table_loca.ValueInvalid)
{
DirectoryEntry deGlyf=fontOwner.GetDirectoryEntry("glyf");
if (deGlyf != null)
{
this.m_lengthGlyf=(int)deGlyf.length;
}
}
return this.m_lengthGlyf;
}
protected int NumGlyph(OTFont fontOwner)
{
if (this.m_numGlyph==Table_loca.ValueInvalid)
{
Table_maxp tableMaxp = (Table_maxp)fontOwner.GetTable("maxp");
if (tableMaxp != null)
{
this.m_numGlyph = tableMaxp.NumGlyphs;
}
}
return this.m_numGlyph;
}
public int NumEntry(OTFont fontOwner)
{
int sizeEntry=this.SizeEntry(fontOwner);
if (sizeEntry==Table_loca.ValueInvalid)
{
return Table_loca.ValueInvalid;
}
else
{
return (int)(this.m_bufTable.GetLength()/sizeEntry);
}
}
protected int Format(OTFont fontOwner)
{
// sets format without validating it
if (this.m_format==Table_loca.ValueInvalid)
{
Table_head headTable = (Table_head)fontOwner.GetTable("head");
if (headTable!=null)
{
this.m_format=headTable.indexToLocFormat;
}
}
return this.m_format;
}
protected int Format(OTFont fontOwner)
{
// sets format without validating it
if (this.m_format == Table_loca.ValueInvalid)
{
Table_head headTable = (Table_head)fontOwner.GetTable("head");
if (headTable != null)
{
this.m_format = headTable.indexToLocFormat;
}
}
return(this.m_format);
}
public int NumEntry(OTFont fontOwner)
{
int sizeEntry = this.SizeEntry(fontOwner);
if (sizeEntry == Table_loca.ValueInvalid)
{
return(Table_loca.ValueInvalid);
}
else
{
return((int)(this.m_bufTable.GetLength() / sizeEntry));
}
}
public longHorMetric GetHMetric(uint i, OTFont fontOwner)
{
if (i >= GetNumberOfHMetrics(fontOwner))
{
throw new ArgumentOutOfRangeException("i");
}
longHorMetric hm = new longHorMetric();
hm.advanceWidth = m_bufTable.GetUshort(i*4);
hm.lsb = m_bufTable.GetShort(i*4+2);
return hm;
}
public longHorMetric GetHMetric(uint i, OTFont fontOwner)
{
if (i >= GetNumberOfHMetrics(fontOwner))
{
throw new ArgumentOutOfRangeException("i");
}
longHorMetric hm = new longHorMetric();
hm.advanceWidth = m_bufTable.GetUshort(i * 4);
hm.lsb = m_bufTable.GetShort(i * 4 + 2);
return(hm);
}
/************************
* protected methods
*/
protected ushort GetNumGlyphs(OTFont fontOwner)
{
if (m_numGlyphs == 0)
{
Table_maxp maxpTable = (Table_maxp)fontOwner.GetTable("maxp");
if (maxpTable != null)
{
m_numGlyphs = maxpTable.NumGlyphs;
}
}
Debug.Assert(m_numGlyphs != 0, "m_numGlyphs == 0");
return(m_numGlyphs);
}
/************************
* accessors
*/
public vMetric GetVMetric(uint i, OTFont fontOwner)
{
vMetric vm = new vMetric();
m_nLongVerMetrics = (ushort)GetNumOfLongVerMetrics(fontOwner);
m_nGlyphsInTheFont = fontOwner.GetMaxpNumGlyphs();
if( i >= m_nGlyphsInTheFont )
{
throw new ArgumentOutOfRangeException();
}
vm = GetVMetric( i );
return vm;
}
/************************
* protected methods
*/
protected uint GetNumOfLongVerMetrics(OTFont fontOwner)
{
if (m_nLongVerMetrics == 0)
{
// get the vhea table (to get access to the numOfLongVerMetrics property)
Table_vhea vheaTable = (Table_vhea)fontOwner.GetTable("vhea");
if (vheaTable != null)
{
m_nLongVerMetrics = vheaTable.numOfLongVerMetrics;
}
}
Debug.Assert(m_nLongVerMetrics != 0);
return(m_nLongVerMetrics);
}
/************************
* accessors
*/
public vMetric GetVMetric(uint i, OTFont fontOwner)
{
vMetric vm = new vMetric();
m_nLongVerMetrics = (ushort)GetNumOfLongVerMetrics(fontOwner);
m_nGlyphsInTheFont = fontOwner.GetMaxpNumGlyphs();
if (i >= m_nGlyphsInTheFont)
{
throw new ArgumentOutOfRangeException();
}
vm = GetVMetric(i);
return(vm);
}
/*
* METHODS PUBLIC: GLYF ACCESS
*/
public bool GetEntryGlyf(int indexGlyph,
out int offsStart, out int length, OTFont fontOwner)
{
offsStart = Table_loca.ValueInvalid;
length = Table_loca.ValueInvalid;
int offsGlyfCur, offsGlyfNext;
if ((!this.GetGlyfOffset(indexGlyph, out offsGlyfCur, fontOwner)) ||
(!this.GetGlyfOffset(indexGlyph + 1, out offsGlyfNext, fontOwner)))
{
return(false); // the error is already reported
}
int lengthGlyf = this.LengthGlyf(fontOwner);
if (lengthGlyf == Table_loca.ValueInvalid)
{
return(false);
}
if ((offsGlyfCur < 0) || (offsGlyfCur >= lengthGlyf))
{
// Offset Within Glyf Range
return(false);
}
if ((offsGlyfNext < 0) || (offsGlyfNext >= lengthGlyf))
{
int numEntry = this.NumEntry(fontOwner);
if ((indexGlyph != numEntry - 2) || (offsGlyfNext != lengthGlyf))
{
// Offset Within Glyf Range
return(false);
}
}
int lengthGlyfCur = offsGlyfNext - offsGlyfCur;
if (lengthGlyfCur < 0)
{
// offsets increasing error
return(false);
}
offsStart = offsGlyfCur;
length = lengthGlyfCur;
return(true);
}
public uint GetNumPadBytesAfterTable(OTTable t)
{
long TableFilePos = t.GetBuffer().GetFilePos();
if (TableFilePos == -1)
{
// the table's file position is initialized to -1 if the table was not read from a file
throw new ApplicationException("invalid file position");
}
uint TableLength = t.GetBuffer().GetLength();
long PadFilePos = TableFilePos + TableLength;
long NextTablePos = m_fs.Length;
// possible DSIG in TTC after all the tables
if (IsCollection() && m_ttch.DsigTag != null && (string)m_ttch.DsigTag == "DSIG" && m_ttch.DsigOffset > 0 && m_ttch.DsigOffset < NextTablePos && (string)t.m_tag != "DSIG")
{
NextTablePos = m_ttch.DsigOffset;
}
for (uint iFont = 0; iFont < m_nFonts; iFont++)
{
if (IsCollection())
{
uint offset = (uint)m_ttch.DirectoryOffsets[(int)iFont];
if (offset >= PadFilePos && offset < NextTablePos)
{
NextTablePos = offset;
}
}
OTFont f = GetFont(iFont);
for (ushort iTable = 0; iTable < f.GetNumTables(); iTable++)
{
DirectoryEntry de = f.GetDirectoryEntry(iTable);
if (de.offset >= PadFilePos && de.offset < NextTablePos)
{
NextTablePos = de.offset;
}
}
}
return((uint)(NextTablePos - PadFilePos));
}
/*
* 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;
}
}
// constructor
public glyf_cache(Table_glyf OwnerTable, OTFont OwnerFont)
{
m_arrGlyphs = new ArrayList();
// get each glyph from the glyf table
for (uint iGlyph = 0; iGlyph < OwnerFont.GetMaxpNumGlyphs(); iGlyph++)
{
header h = OwnerTable.GetGlyphHeader(iGlyph, OwnerFont);
if (h == null)
{
m_arrGlyphs.Add(null);
}
else
{
glyph_base gb = GetGlyphLogicalData(h);
m_arrGlyphs.Add(gb);
}
}
}
public longHorMetric GetOrMakeHMetric(uint i, OTFont fontOwner)
{
longHorMetric hm = null;
m_nGlyphsInTheFont = fontOwner.GetMaxpNumGlyphs();
m_nNumberOfHMetrics = GetNumberOfHMetrics(fontOwner);
uint nlsb = GetNumLeftSideBearingEntries(fontOwner);
uint CalcTableLength = (uint)m_nNumberOfHMetrics*4 + nlsb*2;
if( i >= m_nGlyphsInTheFont )
{
throw new ArgumentOutOfRangeException();
}
// only try to parse out the data if the table length is correct
if (CalcTableLength == GetLength())
{
hm = GetOrMakeHMetric( i );
}
return hm;
}
public longHorMetric GetOrMakeHMetric(uint i, OTFont fontOwner)
{
longHorMetric hm = null;
m_nGlyphsInTheFont = fontOwner.GetMaxpNumGlyphs();
m_nNumberOfHMetrics = GetNumberOfHMetrics(fontOwner);
uint nlsb = GetNumLeftSideBearingEntries(fontOwner);
uint CalcTableLength = (uint)m_nNumberOfHMetrics * 4 + nlsb * 2;
if (i >= m_nGlyphsInTheFont)
{
throw new ArgumentOutOfRangeException();
}
// only try to parse out the data if the table length is correct
if (CalcTableLength == GetLength())
{
hm = GetOrMakeHMetric(i);
}
return(hm);
}
/*
* METHODS PROTECTED: GLYF ACCESS
*/
protected bool GetGlyfOffset(int indexGlyph, out int offsGlyf, 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())
{
//Offset Exceeds Table Length
return(false);
}
if (sizeEntry == 2)
{
offsGlyf = 2 * m_bufTable.GetUshort((uint)pozLoca);
}
else
{
offsGlyf = (int)(m_bufTable.GetUint((uint)pozLoca));
}
return(true);
}
public bool IsMonospace(OTFont fontOwner)
{
bool bHmtxMono = true;
uint numberOfHMetrics = GetNumberOfHMetrics(fontOwner);
if (numberOfHMetrics > 2)
{
// find the first non-zero width after the null glyph
ushort nFirstWidth = 0;
uint nFirstWidthPos = 1;
for (uint i = nFirstWidthPos; i < numberOfHMetrics; i++)
{
nFirstWidth = GetHMetric(i, fontOwner).advanceWidth;
if (nFirstWidth != 0)
{
nFirstWidthPos = i;
break;
}
}
if (nFirstWidth != 0)
{
for (uint i = (uint)nFirstWidthPos + 1; i < numberOfHMetrics; i++)
{
ushort nWidth = GetHMetric(i, fontOwner).advanceWidth;
if (nWidth != 0 && nWidth != nFirstWidth)
{
bHmtxMono = false;
break;
}
}
}
}
return(bHmtxMono);
}
public void BuildCache(OTFont fontOwner)
{
m_cache = new glyf_cache(this, fontOwner);
}
public header GetGlyphHeader(uint iGlyph, OTFont fontOwner)
{
if (iGlyph >= fontOwner.GetMaxpNumGlyphs())
{
throw new ArgumentOutOfRangeException("iGlyph");
}
header h = null;
Table_loca locaTable = (Table_loca)fontOwner.GetTable("loca");
if (locaTable != null)
{
int offsGlyph, length;
if (locaTable.GetEntryGlyf((int)iGlyph,
out offsGlyph, out length, fontOwner))
{
if (length!=0)
{
h = new header((uint)offsGlyph, m_bufTable);
}
}
}
return h;
}
/*
* METHODS PROTECTED: GLYF ACCESS
*/
protected bool GetGlyfOffset(int indexGlyph, out int offsGlyf, 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())
{
//Offset Exceeds Table Length
return false;
}
if (sizeEntry==2)
{
offsGlyf = 2*m_bufTable.GetUshort((uint)pozLoca);
}
else
{
offsGlyf = (int)(m_bufTable.GetUint((uint)pozLoca));
}
return true;
}
public void BuildCache(OTFont fontOwner)
{
m_cache = new glyf_cache(this, fontOwner);
}
public bool IsMonospace(OTFont fontOwner)
{
bool bHmtxMono = true;
uint numberOfHMetrics = GetNumberOfHMetrics(fontOwner);
if (numberOfHMetrics > 2)
{
// find the first non-zero width after the null glyph
ushort nFirstWidth = 0;
uint nFirstWidthPos = 1;
for (uint i=nFirstWidthPos; i<numberOfHMetrics; i++)
{
nFirstWidth = GetHMetric(i, fontOwner).advanceWidth;
if (nFirstWidth != 0)
{
nFirstWidthPos = i;
break;
}
}
if (nFirstWidth != 0)
{
for (uint i=(uint)nFirstWidthPos+1; i<numberOfHMetrics; i++)
{
ushort nWidth = GetHMetric(i, fontOwner).advanceWidth;
if (nWidth != 0 && nWidth != nFirstWidth)
{
bHmtxMono = false;
break;
}
}
}
}
return bHmtxMono;
}
/************************
* public static methods
*/
/// <summary>Return a new OTFont by reading a single font from an
/// OTFile starting at a given file position.
/// <p/>
/// The type of the font is set by determining whether there is
/// a 'glyf' table or a 'CFF ' table.
/// </summary>
public static OTFont ReadFont(OTFile file, uint FontFileNumber, uint filepos)
{
OTFont f = null;
OffsetTable ot = ReadOffsetTable(file, filepos);
if (ot != null)
{
if (ot.numTables == ot.DirectoryEntries.Count)
{
OutlineType olt = OutlineType.OUTLINE_INVALID;
for (int i = 0; i<ot.DirectoryEntries.Count; i++)
{
DirectoryEntry temp = (DirectoryEntry)ot.DirectoryEntries[i];
string sTable = (string)temp.tag;
if (sTable == "CFF ")
{
olt = OutlineType.OUTLINE_POSTSCRIPT;
break;
}
else if (sTable == "glyf")
{
olt = OutlineType.OUTLINE_TRUETYPE;
break;
}
}
f = new OTFont(file, FontFileNumber, ot, olt);
}
}
return f;
}
/************************
* protected methods
*/
protected ushort GetNumberOfHMetrics(OTFont fontOwner)
{
Table_hhea hheaTable = (Table_hhea)fontOwner.GetTable("hhea");
if (hheaTable != null)
{
m_nNumberOfHMetrics = hheaTable.numberOfHMetrics;
}
//Debug.Assert(numberOfHMetrics != 0);
return m_nNumberOfHMetrics;
}
private void CheckCodePageGlyph(uint CodePage, char c, ref int nTotalChars, ref int nMissingChars, ushort [] arrMissingChars, OTFont fontOwner)
{
int unicode = MultiByte.MultiByteCharToUnicodeChar(CodePage, c);
if (unicode != -1)
{
if ( !Char.IsControl((char)unicode) &&
(unicode < 0xe000 || unicode > 0xf8ff) // outside private use area
)
{
nTotalChars++;
if (fontOwner.FastMapUnicodeToGlyphID((char)unicode) == 0)
{
nMissingChars++;
if (nMissingChars <= 10)
{
arrMissingChars[nMissingChars-1] = (ushort)unicode;
}
}
}
}
}
/************************
* protected methods
*/
protected uint GetNumOfLongVerMetrics(OTFont fontOwner)
{
if (m_nLongVerMetrics == 0)
{
// get the vhea table (to get access to the numOfLongVerMetrics property)
Table_vhea vheaTable = (Table_vhea)fontOwner.GetTable("vhea");
if (vheaTable != null)
{
m_nLongVerMetrics = vheaTable.numOfLongVerMetrics;
}
}
Debug.Assert(m_nLongVerMetrics != 0);
return m_nLongVerMetrics;
}
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;
}
private bool CheckCodePageRanges(Validator v, OTFont fontOwner)
{
bool bRet = true;
bRet &= CheckCodePageBit(0, 1252, "Latin 1", v, fontOwner);
bRet &= CheckCodePageBit(1, 1250, "Latin 2", v, fontOwner);
bRet &= CheckCodePageBit(2, 1251, "Cyrillic", v, fontOwner);
bRet &= CheckCodePageBit(3, 1253, "Greek", v, fontOwner);
bRet &= CheckCodePageBit(4, 1254, "Turkish", v, fontOwner);
bRet &= CheckCodePageBit(5, 1255, "Hebrew", v, fontOwner);
bRet &= CheckCodePageBit(6, 1256, "Arabic", v, fontOwner);
bRet &= CheckCodePageBit(7, 1257, "Baltic", v, fontOwner);
bRet &= CheckCodePageBit(8, 1258, "Vietnamese", v, fontOwner);
// bits 9-15 are reserved
bRet &= CheckCodePageBit( 9, 0, null, v, fontOwner);
bRet &= CheckCodePageBit(10, 0, null, v, fontOwner);
bRet &= CheckCodePageBit(11, 0, null, v, fontOwner);
bRet &= CheckCodePageBit(12, 0, null, v, fontOwner);
bRet &= CheckCodePageBit(13, 0, null, v, fontOwner);
bRet &= CheckCodePageBit(14, 0, null, v, fontOwner);
bRet &= CheckCodePageBit(15, 0, null, v, fontOwner);
bRet &= CheckCodePageBit(16, 874, "Thai", v, fontOwner);
bRet &= CheckCodePageBit(17, 932, "Japanese Shift-JIS", v, fontOwner);
bRet &= CheckCodePageBit(18, 936, "Chinese simplified", v, fontOwner);
bRet &= CheckCodePageBit(19, 949, "Korean Wansung", v, fontOwner);
bRet &= CheckCodePageBit(20, 950, "Chinese traditional", v, fontOwner);
bRet &= CheckCodePageBit(21, 1361, "Korean Johab", v, fontOwner);
// bits 22-28 are reserved
bRet &= CheckCodePageBit(22, 0, null, v, fontOwner);
bRet &= CheckCodePageBit(23, 0, null, v, fontOwner);
bRet &= CheckCodePageBit(24, 0, null, v, fontOwner);
bRet &= CheckCodePageBit(25, 0, null, v, fontOwner);
bRet &= CheckCodePageBit(26, 0, null, v, fontOwner);
bRet &= CheckCodePageBit(27, 0, null, v, fontOwner);
bRet &= CheckCodePageBit(28, 0, null, v, fontOwner);
bRet &= CheckCodePageBit(29, 10000, "Mac character set", v, fontOwner);
//bRet &= CheckCodePageBit(30, ???? , "OEM character set", v, fontOwner); // no code page specified
bRet &= CheckCodePageBit(31, 0, "Symbol character set", v, fontOwner);
// bits 32-47 are reserved
bRet &= CheckCodePageBit(32, 0, null, v, fontOwner);
bRet &= CheckCodePageBit(33, 0, null, v, fontOwner);
bRet &= CheckCodePageBit(34, 0, null, v, fontOwner);
bRet &= CheckCodePageBit(35, 0, null, v, fontOwner);
bRet &= CheckCodePageBit(36, 0, null, v, fontOwner);
bRet &= CheckCodePageBit(37, 0, null, v, fontOwner);
bRet &= CheckCodePageBit(38, 0, null, v, fontOwner);
bRet &= CheckCodePageBit(39, 0, null, v, fontOwner);
bRet &= CheckCodePageBit(40, 0, null, v, fontOwner);
bRet &= CheckCodePageBit(41, 0, null, v, fontOwner);
bRet &= CheckCodePageBit(42, 0, null, v, fontOwner);
bRet &= CheckCodePageBit(43, 0, null, v, fontOwner);
bRet &= CheckCodePageBit(44, 0, null, v, fontOwner);
bRet &= CheckCodePageBit(45, 0, null, v, fontOwner);
bRet &= CheckCodePageBit(46, 0, null, v, fontOwner);
bRet &= CheckCodePageBit(47, 0, null, v, fontOwner);
bRet &= CheckCodePageBit(48, 869, "IBM Greek", v, fontOwner);
bRet &= CheckCodePageBit(49, 866, "MS-DOS Russian", v, fontOwner);
bRet &= CheckCodePageBit(50, 865, "MS-DOS Nordic", v, fontOwner);
bRet &= CheckCodePageBit(51, 864, "Arabic", v, fontOwner);
bRet &= CheckCodePageBit(52, 863, "MS-DOS Canadian French", v, fontOwner);
bRet &= CheckCodePageBit(53, 862, "Hebrew", v, fontOwner);
bRet &= CheckCodePageBit(54, 861, "MS-DOS Icelandic", v, fontOwner);
bRet &= CheckCodePageBit(55, 860, "MS-DOS Portuguese", v, fontOwner);
bRet &= CheckCodePageBit(56, 857, "IBM Turkish", v, fontOwner);
bRet &= CheckCodePageBit(57, 855, "IBM Cyrillic", v, fontOwner);
bRet &= CheckCodePageBit(58, 852, "Latin 2", v, fontOwner);
bRet &= CheckCodePageBit(59, 775, "MS-DOS Baltic", v, fontOwner);
bRet &= CheckCodePageBit(60, 737, "Greek", v, fontOwner);
bRet &= CheckCodePageBit(61, 708, "Arabic; ASMO 708", v, fontOwner);
bRet &= CheckCodePageBit(62, 850, "WE/Latin 1", v, fontOwner);
bRet &= CheckCodePageBit(63, 437, "US", v, fontOwner);
if (bRet == true)
{
v.Pass(P.OS_2_P_CodePageRanges, m_tag);
}
return bRet;
}
private bool CheckUnicodeRanges(Validator v, OTFont fontOwner)
{
bool bRet = true;
bool bOk = true;
if (version == 0)
{
if (ulUnicodeRange1 != 0)
{
v.Error(T.T_NULL, E.OS_2_E_ReservedBitSet_Unicode, m_tag, "Range[0] was undefined. All bits must be 0.");
bOk = false;
}
if (ulUnicodeRange2 != 0)
{
v.Error(T.T_NULL, E.OS_2_E_ReservedBitSet_Unicode, m_tag, "Range[1] was undefined. All bits must be 0.");
bOk = false;
}
if (ulUnicodeRange3 != 0)
{
v.Error(T.T_NULL, E.OS_2_E_ReservedBitSet_Unicode, m_tag, "Range[2] was undefined. All bits must be 0.");
bOk = false;
}
if (ulUnicodeRange4 != 0)
{
v.Error(T.T_NULL, E.OS_2_E_ReservedBitSet_Unicode, m_tag, "Range[3] was undefined. All bits must be 0.");
bOk = false;
}
if (bOk)
{
v.Pass(P.OS_2_P_UnicodeRanges, m_tag);
}
else
{
bRet = false;
}
return bRet;
}
// count the number of entries in each unicode range in the cmap subtable
UnicodeRanges ur = new UnicodeRanges();
for (uint c = 0; c < 0xffff; c++)
{
// check if c is mapped to a glyph
uint iGlyph = fontOwner.FastMapUnicodeToGlyphID((char)c);
if (iGlyph != 0)
{
UnicodeRanges.Range r = ur.GetRange(c);
if (r != null)
{
r.count++;
}
}
}
uint nCharsInRange;
// bit 0
uint BASIC_LATIN_LOW = 0x0020;
nCharsInRange = ur.GetRange(BASIC_LATIN_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange1, 0x00000001, nCharsInRange, "Basic Latin");
// bit 1
uint LATIN_1_SUPPLEMENT_LOW = 0x00A0;
nCharsInRange = ur.GetRange(LATIN_1_SUPPLEMENT_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange1, 0x00000002, nCharsInRange, "Latin-1 Supplement");
// bit 2
uint LATIN_EXTENDED_A_LOW = 0x0100;
nCharsInRange = ur.GetRange(LATIN_EXTENDED_A_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange1, 0x00000004, nCharsInRange, "Latin Extended-A");
// bit 3
uint LATIN_EXTENDED_B_LOW = 0x0180;
nCharsInRange = ur.GetRange(LATIN_EXTENDED_B_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange1, 0x00000008, nCharsInRange, "Latin Extended-B");
// bit 4
uint IPA_EXTENSIONS_LOW = 0x0250;
nCharsInRange = ur.GetRange(IPA_EXTENSIONS_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange1, 0x00000010, nCharsInRange, "IPA Extensions");
// bit 5
uint SPACING_MODIFIER_LETTERS_LOW = 0x02B0;
nCharsInRange = ur.GetRange(SPACING_MODIFIER_LETTERS_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange1, 0x00000020, nCharsInRange, "Spacing Modifier Letters");
// bit 6
uint COMBINING_DIACRITICAL_MARKS_LOW = 0x0300;
nCharsInRange = ur.GetRange(COMBINING_DIACRITICAL_MARKS_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange1, 0x00000040, nCharsInRange, "Combining Diacritical Marks");
// bit 7
uint GREEK_LOW = 0x0370;
nCharsInRange = ur.GetRange(GREEK_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange1, 0x00000080, nCharsInRange, "Greek");
// bit 8 reserved
if ((ulUnicodeRange1 & 0x00000100) != 0)
{
bOk = false;
v.Error(T.T_NULL, E.OS_2_E_ReservedBitSet_Unicode, m_tag, "bit #8");
}
// bit 9
uint CYRILLIC_LOW = 0x0400;
uint CYRILLIC_SUPPLEMENTARY_LOW = 0x0500;
nCharsInRange = ur.GetRange(CYRILLIC_LOW).count
+ ur.GetRange(CYRILLIC_SUPPLEMENTARY_LOW).count;
bOk &= VerifyUnicodeRanges(v, ulUnicodeRange1, 0x00000200, nCharsInRange, "Cyrillic, Cyrillic Supplementary");
// bit 10
uint ARMENIAN_LOW = 0x0530;
nCharsInRange = ur.GetRange(ARMENIAN_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange1, 0x00000400, nCharsInRange, "Armenian");
// bit 11
uint HEBREW_LOW = 0x0590;
nCharsInRange = ur.GetRange(HEBREW_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange1, 0x00000800, nCharsInRange, "Hebrew");
if (version > 1)
{
// bit 12 reserved
if ((ulUnicodeRange1 & 0x00001000) != 0)
{
bOk = false;
v.Error(T.T_NULL, E.OS_2_E_ReservedBitSet_Unicode, m_tag, "bit #12");
}
}
// bit 13
uint ARABIC_LOW = 0x0600;
nCharsInRange = ur.GetRange(ARABIC_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange1, 0x00002000, nCharsInRange, "Arabic");
if (version > 1)
{
// bit 14 reserved
if ((ulUnicodeRange1 & 0x00004000) != 0)
{
bOk = false;
v.Error(T.T_NULL, E.OS_2_E_ReservedBitSet_Unicode, m_tag, "bit #14");
}
}
// bit 15
uint DEVANAGARI_LOW = 0x0900;
nCharsInRange = ur.GetRange(DEVANAGARI_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange1, 0x00008000, nCharsInRange, "Devanagari");
// bit 16
uint BENGALI_LOW = 0x0980;
nCharsInRange = ur.GetRange(BENGALI_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange1, 0x00010000, nCharsInRange, "Bengali");
// bit 17
uint GURMUKHI_LOW = 0x0A00;
nCharsInRange = ur.GetRange(GURMUKHI_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange1, 0x00020000, nCharsInRange, "Gurmukhi");
// bit 18
uint GUJARATI_LOW = 0x0A80;
nCharsInRange = ur.GetRange(GUJARATI_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange1, 0x00040000, nCharsInRange, "Gujarati");
// bit 19
uint ORIYA_LOW = 0x0B00;
nCharsInRange = ur.GetRange(ORIYA_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange1, 0x00080000, nCharsInRange, "Oriya");
// bit 20
uint TAMIL_LOW = 0x0B80;
nCharsInRange = ur.GetRange(TAMIL_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange1, 0x00100000, nCharsInRange, "Tamil");
// bit 21
uint TELUGU_LOW = 0x0C00;
nCharsInRange = ur.GetRange(TELUGU_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange1, 0x00200000, nCharsInRange, "Telugu");
// bit 22
uint KANNADA_LOW = 0x0C80;
nCharsInRange = ur.GetRange(KANNADA_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange1, 0x00400000, nCharsInRange, "Kannada");
// bit 23
uint MALAYALAM_LOW = 0x0D00;
nCharsInRange = ur.GetRange(MALAYALAM_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange1, 0x00800000, nCharsInRange, "Malayalam");
// bit 24
uint THAI_LOW = 0x0E00;
nCharsInRange = ur.GetRange(THAI_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange1, 0x01000000, nCharsInRange, "Thai");
// bit 25
uint LAO_LOW = 0x0E80;
nCharsInRange = ur.GetRange(LAO_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange1, 0x02000000, nCharsInRange, "Lao");
// bit 26
uint GEORGIAN_LOW = 0x10A0;
nCharsInRange = ur.GetRange(GEORGIAN_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange1, 0x04000000, nCharsInRange, "Georgian");
if (version > 1)
{
// bit 27 reserved
if ((ulUnicodeRange1 & 0x08000000) != 0)
{
bOk = false;
v.Error(T.T_NULL, E.OS_2_E_ReservedBitSet_Unicode, m_tag, "bit #27");
}
}
// bit 28
uint HANGUL_JAMO_LOW = 0x1100;
nCharsInRange = ur.GetRange(HANGUL_JAMO_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange1, 0x10000000, nCharsInRange, "Hangul Jamo");
// bit 29
uint LATIN_EXTENDED_ADDITIONAL_LOW = 0x1E00;
nCharsInRange = ur.GetRange(LATIN_EXTENDED_ADDITIONAL_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange1, 0x20000000, nCharsInRange, "Latin Extended Additional");
// bit 30
uint GREEK_EXTENDED_LOW = 0x1F00;
nCharsInRange = ur.GetRange(GREEK_EXTENDED_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange1, 0x40000000, nCharsInRange, "Greek Extended");
// bit 31
uint GENERAL_PUNCTUATION_LOW = 0x2000;
nCharsInRange = ur.GetRange(GENERAL_PUNCTUATION_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange1, 0x80000000, nCharsInRange, "General Punctuation");
// bit 32
uint SUPER_SUB_SCRIPTS_LOW = 0x2070;
nCharsInRange = ur.GetRange(SUPER_SUB_SCRIPTS_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange2, 0x00000001, nCharsInRange, "Superscripts and Subscripts");
// bit 33
uint CURRENCY_SYMBOLS_LOW = 0x20A0;
nCharsInRange = ur.GetRange(CURRENCY_SYMBOLS_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange2, 0x00000002, nCharsInRange, "Currency Symbols");
// bit 34
uint SYMBOL_COMBINING_MARKS_LOW = 0x20D0;
nCharsInRange = ur.GetRange(SYMBOL_COMBINING_MARKS_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange2, 0x00000004, nCharsInRange, "Combining Diacritical marks for symbols");
// bit 35
uint LETTERLIKE_SYMBOLS_LOW = 0x2100;
nCharsInRange = ur.GetRange(LETTERLIKE_SYMBOLS_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange2, 0x00000008, nCharsInRange, "Letterlike Symbols");
// bit 36
uint NUMBER_FORMS_LOW = 0x2150;
nCharsInRange = ur.GetRange(NUMBER_FORMS_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange2, 0x00000010, nCharsInRange, "Number Forms");
// bit 37
uint ARROWS_LOW = 0x2190;
uint SUPPLEMENTAL_ARROWS_A_LOW = 0x27F0;
uint SUPPLEMENTAL_ARROWS_B_LOW = 0x2900;
nCharsInRange = ur.GetRange(ARROWS_LOW).count
+ ur.GetRange(SUPPLEMENTAL_ARROWS_A_LOW).count
+ ur.GetRange(SUPPLEMENTAL_ARROWS_B_LOW).count;
bOk &= VerifyUnicodeRanges(v, ulUnicodeRange2, 0x00000020, nCharsInRange, "Arrows, Supplementary Arrows A, Supplementary Arrows B");
// bit 38
uint MATH_OPERATORS_LOW = 0x2200;
uint SUPPLEMENTAL_MATH_OPERATORS_LOW = 0x2A00;
uint MISC_MATH_SYMBOLS_A_LOW = 0x27C0;
uint MISC_MATH_SYMBOLS_B_LOW = 0x2980;
nCharsInRange = ur.GetRange(MATH_OPERATORS_LOW).count
+ ur.GetRange(SUPPLEMENTAL_MATH_OPERATORS_LOW).count
+ ur.GetRange(MISC_MATH_SYMBOLS_A_LOW).count
+ ur.GetRange(MISC_MATH_SYMBOLS_B_LOW).count;
bOk &= VerifyUnicodeRanges(v, ulUnicodeRange2, 0x00000040, nCharsInRange, "Mathematical Operators, Supplemental Mathematical Operators, Mathematical Symbols A, Mathematical Symbols B");
// bit 39
uint MISC_TECHNICAL_LOW = 0x2300;
nCharsInRange = ur.GetRange(MISC_TECHNICAL_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange2, 0x00000080, nCharsInRange, "Miscellaneous Technical");
// bit 40
uint CONTROL_PICTURES_LOW = 0x2400;
nCharsInRange = ur.GetRange(CONTROL_PICTURES_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange2, 0x00000100, nCharsInRange, "Control Pictures");
// bit 41
uint OCR_LOW = 0x2440;
nCharsInRange = ur.GetRange(OCR_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange2, 0x00000200, nCharsInRange, "Optical Character Recognition");
// bit 42
uint ENCLOSED_ALPHANUMERICS_LOW = 0x2460;
nCharsInRange = ur.GetRange(ENCLOSED_ALPHANUMERICS_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange2, 0x00000400, nCharsInRange, "Enclosed Alphanumerics");
// bit 43
uint BOX_DRAWING_LOW = 0x2500;
nCharsInRange = ur.GetRange(BOX_DRAWING_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange2, 0x00000800, nCharsInRange, "Box Drawing");
// bit 44
uint BLOCK_ELEMENTS_LOW = 0x2580;
nCharsInRange = ur.GetRange(BLOCK_ELEMENTS_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange2, 0x00001000, nCharsInRange, "Block Elements");
// bit 45
uint GEOMETRIC_SHAPES_LOW = 0x25A0;
nCharsInRange = ur.GetRange(GEOMETRIC_SHAPES_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange2, 0x00002000, nCharsInRange, "Geometric Shapes");
// bit 46
uint MISC_SYMBOLS_LOW = 0x2600;
nCharsInRange = ur.GetRange(MISC_SYMBOLS_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange2, 0x00004000, nCharsInRange, "Miscellaneous Symbols");
// bit 47
uint DINGBATS_LOW = 0x2700;
nCharsInRange = ur.GetRange(DINGBATS_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange2, 0x00008000, nCharsInRange, "Dingbats");
// bit 48
uint CJK_SYMBOLS_PUNCTUATION_LOW = 0x3000;
nCharsInRange = ur.GetRange(CJK_SYMBOLS_PUNCTUATION_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange2, 0x00010000, nCharsInRange, "CJK Symbols and Punctuation");
// bit 49
uint HIRAGANA_LOW = 0x3040;
nCharsInRange = ur.GetRange(HIRAGANA_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange2, 0x00020000, nCharsInRange, "Hiragana");
// bit 50
uint KATAKANA_LOW = 0x30A0;
nCharsInRange = ur.GetRange(KATAKANA_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange2, 0x00040000, nCharsInRange, "Katakana");
// bit 51
uint BOPOMOFO_LOW = 0x3100;
uint BOPOMOFO_EXTENDED_LOW = 0x31A0;
nCharsInRange = ur.GetRange(BOPOMOFO_LOW).count
+ ur.GetRange(BOPOMOFO_EXTENDED_LOW).count;
bOk &= VerifyUnicodeRanges(v, ulUnicodeRange2, 0x00080000, nCharsInRange, "Bopomofo, Bopomofo Extended");
// bit 52
uint HANGUL_COMPAT_JAMO_LOW = 0x3130;
nCharsInRange = ur.GetRange(HANGUL_COMPAT_JAMO_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange2, 0x00100000, nCharsInRange, "Hangul Compatibility Jamo");
// bit 53 !!! OT Spec 1.3 says bit 53 is CJK Misc !!!
// !!! Since there's no unicode range name !!!
// !!! that maps nicely to CJK Misc, !!!
// !!! I naturally just ignore it. !!!
/*
bOk &= VerifyUnicodeRange(v, ulUnicodeRange2, 0x00200000, nCharsInRange, "CJK Miscellaneous");
*/
// bit 54
uint ENCLOSED_CJK_LETTERS_MONTHS_LOW = 0x3200;
nCharsInRange = ur.GetRange(ENCLOSED_CJK_LETTERS_MONTHS_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange2, 0x00400000, nCharsInRange, "Enclosed CJK Letters and Months");
// bit 55
uint CJK_COMPATIBILITY_LOW = 0x3300;
nCharsInRange = ur.GetRange(CJK_COMPATIBILITY_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange2, 0x00800000, nCharsInRange, "CJK Compatibility");
// bit 56
uint HANGUL_LOW = 0xAC00;
nCharsInRange = ur.GetRange(HANGUL_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange2, 0x01000000, nCharsInRange, "Hangul");
// bit 57 surrogates
if (version > 1)
{
bool bSurrogatesCmapPresent = false;
Table_cmap cmapTable = (Table_cmap)fontOwner.GetTable("cmap");
if (cmapTable != null)
{
Table_cmap.EncodingTableEntry eteUniSurrogates = cmapTable.GetEncodingTableEntry(3,10);
if (eteUniSurrogates != null)
bSurrogatesCmapPresent = true;
}
if ((ulUnicodeRange2 & 0x02000000) == 0)
{
if (bSurrogatesCmapPresent)
{
v.Error(T.T_NULL, E.OS_2_E_SurrogatesBitClear, m_tag);
bOk = false;
}
}
else
{
if (!bSurrogatesCmapPresent)
{
v.Error(T.T_NULL, E.OS_2_E_SurrogatesBitSet, m_tag);
bOk = false;
}
}
}
// bit 58 reserved
if ((ulUnicodeRange2 & 0x04000000) != 0)
{
bOk = false;
v.Error(T.T_NULL, E.OS_2_E_ReservedBitSet_Unicode, m_tag, "bit #58");
}
// bit 59
uint CJK_UNIFIED_IDEOGRAPHS_LOW = 0x4E00;
uint CJK_RADICALS_SUPPLEMENT_LOW = 0x2E80;
uint KANGXI_RADICALS_LOW = 0x2F00;
uint IDEOGRAPHIC_DESCRIPTION_CHARS_LOW = 0x2FF0;
uint CJK_UNIFIED_IDEOGRAPHS_EXT_A_LOW = 0x3400;
uint CJK_UNIFIED_IDEOGRAPHS_EXT_B_LOW = 0x20000;
uint KANBUN_LOW = 0x3190;
nCharsInRange = ur.GetRange(CJK_UNIFIED_IDEOGRAPHS_LOW).count
+ ur.GetRange(CJK_RADICALS_SUPPLEMENT_LOW).count
+ ur.GetRange(KANGXI_RADICALS_LOW).count
+ ur.GetRange(IDEOGRAPHIC_DESCRIPTION_CHARS_LOW).count
+ ur.GetRange(CJK_UNIFIED_IDEOGRAPHS_EXT_A_LOW).count
+ ur.GetRange(CJK_UNIFIED_IDEOGRAPHS_EXT_B_LOW).count
+ ur.GetRange(KANBUN_LOW).count;
bOk &= VerifyUnicodeRanges(v, ulUnicodeRange2, 0x08000000, nCharsInRange, "CJK Unified Ideographs, CJK Radicals Supplement, Kangxi Radicals, Ideographic Description Chars, CJK Unified Ideographs Extended A, CJK Unified Ideographs Extended B, Kanbun");
// bit 60
uint PRIVATE_USE_AREA_LOW = 0xE000;
if (!fontOwner.ContainsMsSymbolEncodedCmap())
{
nCharsInRange = ur.GetRange(PRIVATE_USE_AREA_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange2, 0x10000000, nCharsInRange, "Private Use Area");
}
// bit 61
uint CJK_COMPATIBILITY_IDEOGRAPHS_LOW = 0xF900;
uint CJK_COMPATIBILITY_IDEO_SUPP_LOW = 0x2F800;
nCharsInRange = ur.GetRange(CJK_COMPATIBILITY_IDEOGRAPHS_LOW).count
+ ur.GetRange(CJK_COMPATIBILITY_IDEO_SUPP_LOW).count;
bOk &= VerifyUnicodeRanges(v, ulUnicodeRange2, 0x20000000, nCharsInRange, "CJK Compatibility Ideographs, CJK Compatibility Ideographs Supplement");
// bit 62
uint ALPHABETIC_PRESENTATION_FORMS_LOW = 0xFB00;
nCharsInRange = ur.GetRange(ALPHABETIC_PRESENTATION_FORMS_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange2, 0x40000000, nCharsInRange, "Alphabetic Presentation Forms");
// bit 63
uint ARABIC_PRESENTATION_FORMS_A_LOW = 0xFB50;
nCharsInRange = ur.GetRange(ARABIC_PRESENTATION_FORMS_A_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange2, 0x80000000, nCharsInRange, "Arabic Presentation Forms-A");
// bit 64
uint COMBINING_HALF_MARKS_LOW = 0xFE20;
nCharsInRange = ur.GetRange(COMBINING_HALF_MARKS_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange3, 0x00000001, nCharsInRange, "Combining Half Marks");
// bit 65
uint CJK_COMPATIBILITY_FORMS_LOW = 0xFE30;
nCharsInRange = ur.GetRange(CJK_COMPATIBILITY_FORMS_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange3, 0x00000002, nCharsInRange, "CJK Compatibility Forms");
// bit 66
uint SMALL_FORM_VARIANTS_LOW = 0xFE50;
nCharsInRange = ur.GetRange(SMALL_FORM_VARIANTS_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange3, 0x00000004, nCharsInRange, "Small Form Variants");
// bit 67
uint ARABIC_PRESENTATION_FORMS_B_LOW = 0xFE70;
nCharsInRange = ur.GetRange(ARABIC_PRESENTATION_FORMS_B_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange3, 0x00000008, nCharsInRange, "Arabic Presentation Forms-B");
// bit 68
uint HALFWIDTH_FULLWIDTH_FORMS_LOW = 0xFF00;
nCharsInRange = ur.GetRange(HALFWIDTH_FULLWIDTH_FORMS_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange3, 0x00000010, nCharsInRange, "Halfwidth and Fullwidth Forms");
// bit 69
uint SPECIALS_LOW = 0xFFF0;
nCharsInRange = ur.GetRange(SPECIALS_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange3, 0x00000020, nCharsInRange, "Specials");
if (version < 2)
{
for (int bitpos = 6; bitpos < 32; bitpos++)
{
if ((ulUnicodeRange3 & (1<<bitpos)) != 0) { bOk = false; v.Error(T.T_NULL, E.OS_2_E_ReservedBitSet_Unicode, m_tag, "bit #" + (64+bitpos)); }
}
for (int bitpos = 0; bitpos < 32; bitpos++)
{
if ((ulUnicodeRange4 & (1<<bitpos)) != 0) { bOk = false; v.Error(T.T_NULL, E.OS_2_E_ReservedBitSet_Unicode, m_tag, "bit #" + (96+bitpos)); }
}
}
else
{
// bit 70
uint TIBETAN_LOW = 0x0F00;
nCharsInRange = ur.GetRange(TIBETAN_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange3, 0x00000040, nCharsInRange, "Tibetan");
// bit 71
uint SYRIAC_LOW = 0x0700;
nCharsInRange = ur.GetRange(SYRIAC_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange3, 0x00000080, nCharsInRange, "Syriac");
// bit 72
uint THAANA_LOW = 0x0780;
nCharsInRange = ur.GetRange(THAANA_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange3, 0x00000100, nCharsInRange, "Thaana");
// bit 73
uint SINHALA_LOW = 0x0D80;
nCharsInRange = ur.GetRange(SINHALA_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange3, 0x00000200, nCharsInRange, "Sinhala");
// bit 74
uint MYANMAR_LOW = 0x1000;
nCharsInRange = ur.GetRange(MYANMAR_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange3, 0x00000400, nCharsInRange, "Myanmar");
// bit 75
uint ETHIOPIC_LOW = 0x1200;
nCharsInRange = ur.GetRange(ETHIOPIC_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange3, 0x00000800, nCharsInRange, "Ethiopic");
// bit 76
uint CHEROKEE_LOW = 0x13A0;
nCharsInRange = ur.GetRange(CHEROKEE_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange3, 0x00001000, nCharsInRange, "Cherokee");
// bit 77
uint UNIFIED_CANADIAN_AB_SYL_LOW = 0x1400;
nCharsInRange = ur.GetRange(UNIFIED_CANADIAN_AB_SYL_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange3, 0x00002000, nCharsInRange, "Unified Canadian Syllabics");
// bit 78
uint OGHAM_LOW = 0x1680;
nCharsInRange = ur.GetRange(OGHAM_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange3, 0x00004000, nCharsInRange, "Ogham");
// bit 79
uint RUNIC_LOW = 0x16A0;
nCharsInRange = ur.GetRange(RUNIC_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange3, 0x00008000, nCharsInRange, "Runic");
// bit 80
uint KHMER_LOW = 0x1780;
nCharsInRange = ur.GetRange(KHMER_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange3, 0x00010000, nCharsInRange, "Khmer");
// bit 81
uint MONGOLIAN_LOW = 0x1800;
nCharsInRange = ur.GetRange(MONGOLIAN_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange3, 0x00020000, nCharsInRange, "Mongolian");
// bit 82
uint BRAILLE_PATTERNS_LOW = 0x2800;
nCharsInRange = ur.GetRange(BRAILLE_PATTERNS_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange3, 0x00040000, nCharsInRange, "Braille");
// bit 83
uint YI_LOW = 0xA000;
uint YI_RADICALS_LOW = 0xA490;
nCharsInRange = ur.GetRange(YI_LOW).count
+ ur.GetRange(YI_RADICALS_LOW).count;
bOk &= VerifyUnicodeRanges(v, ulUnicodeRange3, 0x00080000, nCharsInRange, "Yi, Yi Radicals");
if (version < 3)
{
for (int bitpos = 20; bitpos < 32; bitpos++)
{
if ((ulUnicodeRange3 & (1<<bitpos)) != 0) { bOk = false; v.Error(T.T_NULL, E.OS_2_E_ReservedBitSet_Unicode, m_tag, "bit #" + (64+bitpos)); }
}
for (int bitpos = 0; bitpos < 32; bitpos++)
{
if ((ulUnicodeRange4 & (1<<bitpos)) != 0) { bOk = false; v.Error(T.T_NULL, E.OS_2_E_ReservedBitSet_Unicode, m_tag, "bit #" + (96+bitpos)); }
}
}
else
{
// bit 84
uint TAGALOG_LOW = 0x1700;
uint HANUNOO_LOW = 0x1720;
uint BUHID_LOW = 0x1740;
uint TAGBANWA_LOW = 0x1760;
nCharsInRange = ur.GetRange(TAGALOG_LOW).count
+ ur.GetRange(HANUNOO_LOW).count
+ ur.GetRange(BUHID_LOW).count
+ ur.GetRange(TAGBANWA_LOW).count;
bOk &= VerifyUnicodeRanges(v, ulUnicodeRange3, 0x00100000, nCharsInRange, "Tagalog, Hanunoo, Buhid, Tagbanwa");
// bit 85
uint OLD_ITALIC_LOW = 0x10300;
nCharsInRange = ur.GetRange(OLD_ITALIC_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange3, 0x00200000, nCharsInRange, "Old Italic");
// bit 86
uint GOTHIC_LOW = 0x10330;
nCharsInRange = ur.GetRange(GOTHIC_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange3, 0x00400000, nCharsInRange, "Gothic");
// bit 87
uint DESERET_LOW = 0x10400;
nCharsInRange = ur.GetRange(DESERET_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange3, 0x00800000, nCharsInRange, "Deseret");
// bit 88
uint BYZANTINE_MUSICAL_SYMBOLS_LOW = 0x1D000;
uint MUSICAL_SYMBOLS_LOW = 0x1D100;
nCharsInRange = ur.GetRange(BYZANTINE_MUSICAL_SYMBOLS_LOW).count
+ ur.GetRange(MUSICAL_SYMBOLS_LOW).count;
bOk &= VerifyUnicodeRanges(v, ulUnicodeRange3, 0x01000000, nCharsInRange, "Byzantine Musical Symbols, Musical Symbols");
// bit 89
uint MATHEMATICAL_ALPHANUMERIC_LOW = 0x1D400;
nCharsInRange = ur.GetRange(MATHEMATICAL_ALPHANUMERIC_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange3, 0x02000000, nCharsInRange, "Mathematical Alphanumeric Symbols");
// bit 90
uint PRIVATE_USE_15_LOW = 0xFFF80;
uint PRIVATE_USE_16_LOW = 0x10FF80;
nCharsInRange = ur.GetRange(PRIVATE_USE_15_LOW).count
+ ur.GetRange(PRIVATE_USE_16_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange3, 0x04000000, nCharsInRange, "Private Use (Plane 15), Private Use (Plane 16)");
// bit 91
uint VARIATION_SELECTORS_LOW = 0xE0100;
nCharsInRange = ur.GetRange(VARIATION_SELECTORS_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange3, 0x08000000, nCharsInRange, "Variation Selectors");
// bit 92
uint TAGS_LOW = 0xE0000;
nCharsInRange = ur.GetRange(TAGS_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange3, 0x10000000, nCharsInRange, "Tags");
for (int bitpos = 29; bitpos < 32; bitpos++)
{
if ((ulUnicodeRange3 & (1<<bitpos)) != 0) { bOk = false; v.Error(T.T_NULL, E.OS_2_E_ReservedBitSet_Unicode, m_tag, "bit #" + (64+bitpos)); }
}
for (int bitpos = 0; bitpos < 32; bitpos++)
{
if ((ulUnicodeRange4 & (1<<bitpos)) != 0) { bOk = false; v.Error(T.T_NULL, E.OS_2_E_ReservedBitSet_Unicode, m_tag, "bit #" + (96+bitpos)); }
}
}
}
if (bOk)
{
v.Pass(P.OS_2_P_UnicodeRanges, m_tag);
}
else
{
bRet = false;
}
return bRet;
}
// constructor
public glyf_cache(Table_glyf OwnerTable, OTFont OwnerFont)
{
m_arrGlyphs = new ArrayList();
// get each glyph from the glyf table
for (uint iGlyph=0; iGlyph<OwnerFont.GetMaxpNumGlyphs(); iGlyph++)
{
header h = OwnerTable.GetGlyphHeader(iGlyph, OwnerFont);
if (h == null)
{
m_arrGlyphs.Add(null);
}
else
{
glyph_base gb = GetGlyphLogicalData(h);
m_arrGlyphs.Add(gb);
}
}
}
/// <summary>Write a single OTF to a disk file, with tables in
/// proper order, checksums set, etc.
/// </summary>
public static bool WriteSfntFile(FileStream fs, OTFont font)
{
bool bRet = true;
OTFixed sfntVersion = new OTFixed(1, 0);
ushort numTables = font.GetNumTables();
OffsetTable ot = new OffsetTable(sfntVersion, numTables);
// order tables in fastfont order
string [] arrOrderedNames = null;
string [] ttNames =
{
"head", "hhea", "maxp", "OS/2", "hmtx", "LTSH", "VDMX", "hdmx", "cmap", "fpgm",
"prep", "cvt ", "loca", "glyf", "kern", "name", "post", "gasp", "PCLT"
};
string [] psNames =
{
"head", "hhea", "maxp", "OS/2", "name", "cmap", "post", "CFF "
};
if (font.ContainsTrueTypeOutlines())
{
arrOrderedNames = ttNames;
}
else if (font.ContainsPostScriptOutlines())
{
arrOrderedNames = psNames;
}
OTTable[] OrderedTables = new OTTable[numTables];
for (ushort i = 0; i < numTables; i++)
{
OrderedTables[i] = font.GetTable(i);
}
if (arrOrderedNames != null)
{
ushort curpos = 0;
for (int iName = 0; iName < arrOrderedNames.Length; iName++)
{
for (ushort i = curpos; i < numTables; i++)
{
if (arrOrderedNames[iName] == (string)OrderedTables[i].m_tag)
{
OTTable temp = OrderedTables[curpos];
OrderedTables[curpos] = OrderedTables[i];
OrderedTables[i] = temp;
curpos++;
break;
}
}
}
}
// update the modified date in the head table
for (int i = 0; i < OrderedTables.Length; i++)
{
if ((string)OrderedTables[i].m_tag == "head")
{
// get the cache
Table_head headTable = (Table_head)OrderedTables[i];
Table_head.head_cache headCache = (Table_head.head_cache)headTable.GetCache();
// set the 'modified' field to the current date and time
DateTime dt = DateTime.Now;
headCache.modified = headTable.DateTimeToSecondsSince1904(dt);
// generate a new table and replace the head table in the list of ordered tables
Table_head newHead = (Table_head)headCache.GenerateTable();
OrderedTables[i] = newHead;
break;
}
}
// build a list of directory entries
long TableFilePos = 12 + numTables * 16;
for (ushort i = 0; i < numTables; i++)
{
OTTable table = OrderedTables[i];
OTTag tag = table.m_tag;
// build a new directory entry
DirectoryEntry de = new DirectoryEntry();
de.tag = new OTTag(tag.GetBytes());
de.checkSum = table.CalcChecksum();
de.offset = (uint)TableFilePos;
de.length = table.GetLength();
ot.DirectoryEntries.Add(de);
TableFilePos += table.GetBuffer().GetPaddedLength();
}
// sort the directory entries
if (numTables > 1)
{
for (int i = 0; i < numTables - 1; i++)
{
for (int j = i + 1; j < numTables; j++)
{
if (((DirectoryEntry)(ot.DirectoryEntries[i])).tag > ((DirectoryEntry)(ot.DirectoryEntries[j])).tag)
{
DirectoryEntry temp = (DirectoryEntry)ot.DirectoryEntries[i];
ot.DirectoryEntries[i] = (DirectoryEntry)ot.DirectoryEntries[j];
ot.DirectoryEntries[j] = temp;
}
}
}
}
// update the font checksum in the head table
for (int i = 0; i < OrderedTables.Length; i++)
{
if ((string)OrderedTables[i].m_tag == "head")
{
// calculate the checksum
uint sum = 0;
sum += ot.CalcOffsetTableChecksum();
sum += ot.CalcDirectoryEntriesChecksum();
for (int j = 0; j < OrderedTables.Length; j++)
{
sum += OrderedTables[j].CalcChecksum();
}
// get the cache
Table_head headTable = (Table_head)OrderedTables[i];
Table_head.head_cache headCache = (Table_head.head_cache)headTable.GetCache();
// set the checkSumAdujustment field
headCache.checkSumAdjustment = 0xb1b0afba - sum;
// generate a new table and replace the head table in the list of ordered tables
Table_head newHead = (Table_head)headCache.GenerateTable();
OrderedTables[i] = newHead;
break;
}
}
// write the offset table
fs.Write(ot.m_buf.GetBuffer(), 0, (int)ot.m_buf.GetLength());
// write the directory entries
for (int i = 0; i < numTables; i++)
{
DirectoryEntry de = (DirectoryEntry)ot.DirectoryEntries[i];
fs.Write(de.m_buf.GetBuffer(), 0, (int)de.m_buf.GetLength());
}
// write the tables
for (ushort i = 0; i < numTables; i++)
{
OTTable table = OrderedTables[i];
fs.Write(table.m_bufTable.GetBuffer(), 0, (int)table.GetBuffer().GetPaddedLength());
}
return(bRet);
}
private bool CheckUnicodeRanges(Validator v, OTFont fontOwner)
{
bool bRet = true;
bool bOk = true;
if (version == 0)
{
if (ulUnicodeRange1 != 0)
{
v.Error(T.T_NULL, E.OS_2_E_ReservedBitSet_Unicode, m_tag, "Range[0] was undefined. All bits must be 0.");
bOk = false;
}
if (ulUnicodeRange2 != 0)
{
v.Error(T.T_NULL, E.OS_2_E_ReservedBitSet_Unicode, m_tag, "Range[1] was undefined. All bits must be 0.");
bOk = false;
}
if (ulUnicodeRange3 != 0)
{
v.Error(T.T_NULL, E.OS_2_E_ReservedBitSet_Unicode, m_tag, "Range[2] was undefined. All bits must be 0.");
bOk = false;
}
if (ulUnicodeRange4 != 0)
{
v.Error(T.T_NULL, E.OS_2_E_ReservedBitSet_Unicode, m_tag, "Range[3] was undefined. All bits must be 0.");
bOk = false;
}
if (bOk)
{
v.Pass(P.OS_2_P_UnicodeRanges, m_tag);
}
else
{
bRet = false;
}
return bRet;
}
// count the number of entries in each unicode range in the cmap subtable
UnicodeRanges ur = new UnicodeRanges();
for (uint c = 0; c < 0xffff; c++)
{
// check if c is mapped to a glyph
uint iGlyph = fontOwner.FastMapUnicodeToGlyphID((char)c);
if (iGlyph != 0)
{
UnicodeRanges.Range r = ur.GetRange(c);
if (r != null)
{
r.count++;
}
}
}
uint nCharsInRange;
// bit 0
uint BASIC_LATIN_LOW = 0x0020;
nCharsInRange = ur.GetRange(BASIC_LATIN_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange1, 0x00000001, nCharsInRange, "Basic Latin");
// bit 1
uint LATIN_1_SUPPLEMENT_LOW = 0x00A0;
nCharsInRange = ur.GetRange(LATIN_1_SUPPLEMENT_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange1, 0x00000002, nCharsInRange, "Latin-1 Supplement");
// bit 2
uint LATIN_EXTENDED_A_LOW = 0x0100;
nCharsInRange = ur.GetRange(LATIN_EXTENDED_A_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange1, 0x00000004, nCharsInRange, "Latin Extended-A");
// bit 3
uint LATIN_EXTENDED_B_LOW = 0x0180;
nCharsInRange = ur.GetRange(LATIN_EXTENDED_B_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange1, 0x00000008, nCharsInRange, "Latin Extended-B");
// bit 4
uint IPA_EXTENSIONS_LOW = 0x0250;
uint Phonetic_Extensions = 0x1D00;
uint Phonetic_Extensions_Supplement = 0x1D80;
nCharsInRange = ur.GetRange(IPA_EXTENSIONS_LOW).count
+ ur.GetRange(Phonetic_Extensions).count
+ ur.GetRange(Phonetic_Extensions_Supplement).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange1, 0x00000010, nCharsInRange, "IPA Extensions");
// bit 5
uint SPACING_MODIFIER_LETTERS_LOW = 0x02B0;
uint Modifier_Tone_Letters = 0xA700;
nCharsInRange = ur.GetRange(SPACING_MODIFIER_LETTERS_LOW).count
+ ur.GetRange(Modifier_Tone_Letters).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange1, 0x00000020, nCharsInRange, "Spacing Modifier Letters");
// bit 6
uint COMBINING_DIACRITICAL_MARKS_LOW = 0x0300;
uint Combining_Diacritical_Marks_Supplement = 0x1DC0;
nCharsInRange = ur.GetRange(COMBINING_DIACRITICAL_MARKS_LOW).count
+ ur.GetRange(Combining_Diacritical_Marks_Supplement).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange1, 0x00000040, nCharsInRange, "Combining Diacritical Marks");
// bit 7
uint GREEK_LOW = 0x0370;
nCharsInRange = ur.GetRange(GREEK_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange1, 0x00000080, nCharsInRange, "Greek");
// v1: Greek Symbols and Coptic
// v2/v3: Reserved for Unicode SubRanges
// v4: Coptic 2C80-2CFF
if (version > 1 && version < 4)
{
// bit 8 reserved
if ((ulUnicodeRange1 & 0x00000100) != 0)
{
bOk = false;
v.Error(T.T_NULL, E.OS_2_E_ReservedBitSet_Unicode, m_tag, "bit #8");
}
}
// TODO: v4
// bit 9
uint CYRILLIC_LOW = 0x0400;
uint CYRILLIC_SUPPLEMENTARY_LOW = 0x0500;
uint Cyrillic_Extended_A = 0x2DE0;
uint Cyrillic_Extended_B = 0xA640;
nCharsInRange = ur.GetRange(CYRILLIC_LOW).count
+ ur.GetRange(CYRILLIC_SUPPLEMENTARY_LOW).count
+ ur.GetRange(Cyrillic_Extended_A).count
+ ur.GetRange(Cyrillic_Extended_B).count;
bOk &= VerifyUnicodeRanges(v, ulUnicodeRange1, 0x00000200, nCharsInRange, "Cyrillic, Cyrillic Supplementary");
// bit 10
uint ARMENIAN_LOW = 0x0530;
nCharsInRange = ur.GetRange(ARMENIAN_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange1, 0x00000400, nCharsInRange, "Armenian");
// bit 11
uint HEBREW_LOW = 0x0590;
nCharsInRange = ur.GetRange(HEBREW_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange1, 0x00000800, nCharsInRange, "Hebrew");
// v1: Hebrew Extended (A and B blocks combined)
// v2/v3: Reserved for Unicode SubRanges
// v4: Vai A500-A63F
if (version > 1 && version < 4)
{
// bit 12 reserved
if ((ulUnicodeRange1 & 0x00001000) != 0)
{
bOk = false;
v.Error(T.T_NULL, E.OS_2_E_ReservedBitSet_Unicode, m_tag, "bit #12");
}
}
// TODO: v4
// bit 13
uint ARABIC_LOW = 0x0600;
uint Arabic_Supplement = 0x0750;
nCharsInRange = ur.GetRange(ARABIC_LOW).count
+ ur.GetRange(Arabic_Supplement).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange1, 0x00002000, nCharsInRange, "Arabic");
// v1: Arabic Extended
// v2/v3: Reserved for Unicode SubRanges
// v4: NKo 07C0-07FF
if (version > 1 && version < 4)
{
// bit 14 reserved
if ((ulUnicodeRange1 & 0x00004000) != 0)
{
bOk = false;
v.Error(T.T_NULL, E.OS_2_E_ReservedBitSet_Unicode, m_tag, "bit #14");
}
}
// TODO: v4
// bit 15
uint DEVANAGARI_LOW = 0x0900;
nCharsInRange = ur.GetRange(DEVANAGARI_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange1, 0x00008000, nCharsInRange, "Devanagari");
// bit 16
uint BENGALI_LOW = 0x0980;
nCharsInRange = ur.GetRange(BENGALI_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange1, 0x00010000, nCharsInRange, "Bengali");
// bit 17
uint GURMUKHI_LOW = 0x0A00;
nCharsInRange = ur.GetRange(GURMUKHI_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange1, 0x00020000, nCharsInRange, "Gurmukhi");
// bit 18
uint GUJARATI_LOW = 0x0A80;
nCharsInRange = ur.GetRange(GUJARATI_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange1, 0x00040000, nCharsInRange, "Gujarati");
// bit 19
uint ORIYA_LOW = 0x0B00;
nCharsInRange = ur.GetRange(ORIYA_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange1, 0x00080000, nCharsInRange, "Oriya");
// bit 20
uint TAMIL_LOW = 0x0B80;
nCharsInRange = ur.GetRange(TAMIL_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange1, 0x00100000, nCharsInRange, "Tamil");
// bit 21
uint TELUGU_LOW = 0x0C00;
nCharsInRange = ur.GetRange(TELUGU_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange1, 0x00200000, nCharsInRange, "Telugu");
// bit 22
uint KANNADA_LOW = 0x0C80;
nCharsInRange = ur.GetRange(KANNADA_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange1, 0x00400000, nCharsInRange, "Kannada");
// bit 23
uint MALAYALAM_LOW = 0x0D00;
nCharsInRange = ur.GetRange(MALAYALAM_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange1, 0x00800000, nCharsInRange, "Malayalam");
// bit 24
uint THAI_LOW = 0x0E00;
nCharsInRange = ur.GetRange(THAI_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange1, 0x01000000, nCharsInRange, "Thai");
// bit 25
uint LAO_LOW = 0x0E80;
nCharsInRange = ur.GetRange(LAO_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange1, 0x02000000, nCharsInRange, "Lao");
// v3: Georgian
// v4: Georgian 10A0-10FF
// Georgian Supplement 2D00-2D2F
// TODO: v4
// bit 26
uint GEORGIAN_LOW = 0x10A0;
uint Georgian_Supplement = 0x2D00;
nCharsInRange = ur.GetRange(GEORGIAN_LOW).count
+ ur.GetRange(Georgian_Supplement).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange1, 0x04000000, nCharsInRange, "Georgian");
// v1: Georgian Extended
// v2/v3: Reserved for Unicode SubRanges
// v4: Balinese 1B00-1B7F
if (version > 1 && version < 4)
{
// bit 27 reserved
if ((ulUnicodeRange1 & 0x08000000) != 0)
{
bOk = false;
v.Error(T.T_NULL, E.OS_2_E_ReservedBitSet_Unicode, m_tag, "bit #27");
}
}
// TODO: v4
// bit 28
uint HANGUL_JAMO_LOW = 0x1100;
nCharsInRange = ur.GetRange(HANGUL_JAMO_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange1, 0x10000000, nCharsInRange, "Hangul Jamo");
// bit 29
uint LATIN_EXTENDED_ADDITIONAL_LOW = 0x1E00;
uint Latin_Extended_C = 0x2C60;
uint Latin_Extended_D = 0xA720;
nCharsInRange = ur.GetRange(LATIN_EXTENDED_ADDITIONAL_LOW).count
+ ur.GetRange(Latin_Extended_C).count
+ ur.GetRange(Latin_Extended_D).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange1, 0x20000000, nCharsInRange, "Latin Extended Additional");
// bit 30
uint GREEK_EXTENDED_LOW = 0x1F00;
nCharsInRange = ur.GetRange(GREEK_EXTENDED_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange1, 0x40000000, nCharsInRange, "Greek Extended");
// bit 31
uint GENERAL_PUNCTUATION_LOW = 0x2000;
uint Supplemental_Punctuation = 0x2E00;
nCharsInRange = ur.GetRange(GENERAL_PUNCTUATION_LOW).count
+ ur.GetRange(Supplemental_Punctuation).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange1, 0x80000000, nCharsInRange, "General Punctuation");
// bit 32
uint SUPER_SUB_SCRIPTS_LOW = 0x2070;
nCharsInRange = ur.GetRange(SUPER_SUB_SCRIPTS_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange2, 0x00000001, nCharsInRange, "Superscripts and Subscripts");
// bit 33
uint CURRENCY_SYMBOLS_LOW = 0x20A0;
nCharsInRange = ur.GetRange(CURRENCY_SYMBOLS_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange2, 0x00000002, nCharsInRange, "Currency Symbols");
// bit 34
uint SYMBOL_COMBINING_MARKS_LOW = 0x20D0;
nCharsInRange = ur.GetRange(SYMBOL_COMBINING_MARKS_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange2, 0x00000004, nCharsInRange, "Combining Diacritical marks for symbols");
// bit 35
uint LETTERLIKE_SYMBOLS_LOW = 0x2100;
nCharsInRange = ur.GetRange(LETTERLIKE_SYMBOLS_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange2, 0x00000008, nCharsInRange, "Letterlike Symbols");
// bit 36
uint NUMBER_FORMS_LOW = 0x2150;
nCharsInRange = ur.GetRange(NUMBER_FORMS_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange2, 0x00000010, nCharsInRange, "Number Forms");
// bit 37
uint ARROWS_LOW = 0x2190;
uint SUPPLEMENTAL_ARROWS_A_LOW = 0x27F0;
uint SUPPLEMENTAL_ARROWS_B_LOW = 0x2900;
uint Miscellaneous_Symbols_and_Arrows = 0x2B00;
nCharsInRange = ur.GetRange(ARROWS_LOW).count
+ ur.GetRange(SUPPLEMENTAL_ARROWS_A_LOW).count
+ ur.GetRange(SUPPLEMENTAL_ARROWS_B_LOW).count
+ ur.GetRange(Miscellaneous_Symbols_and_Arrows).count;
bOk &= VerifyUnicodeRanges(v, ulUnicodeRange2, 0x00000020, nCharsInRange, "Arrows, Supplementary Arrows A, Supplementary Arrows B");
// bit 38
uint MATH_OPERATORS_LOW = 0x2200;
uint SUPPLEMENTAL_MATH_OPERATORS_LOW = 0x2A00;
uint MISC_MATH_SYMBOLS_A_LOW = 0x27C0;
uint MISC_MATH_SYMBOLS_B_LOW = 0x2980;
nCharsInRange = ur.GetRange(MATH_OPERATORS_LOW).count
+ ur.GetRange(SUPPLEMENTAL_MATH_OPERATORS_LOW).count
+ ur.GetRange(MISC_MATH_SYMBOLS_A_LOW).count
+ ur.GetRange(MISC_MATH_SYMBOLS_B_LOW).count;
bOk &= VerifyUnicodeRanges(v, ulUnicodeRange2, 0x00000040, nCharsInRange, "Mathematical Operators, Supplemental Mathematical Operators, Mathematical Symbols A, Mathematical Symbols B");
// bit 39
uint MISC_TECHNICAL_LOW = 0x2300;
nCharsInRange = ur.GetRange(MISC_TECHNICAL_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange2, 0x00000080, nCharsInRange, "Miscellaneous Technical");
// bit 40
uint CONTROL_PICTURES_LOW = 0x2400;
nCharsInRange = ur.GetRange(CONTROL_PICTURES_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange2, 0x00000100, nCharsInRange, "Control Pictures");
// bit 41
uint OCR_LOW = 0x2440;
nCharsInRange = ur.GetRange(OCR_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange2, 0x00000200, nCharsInRange, "Optical Character Recognition");
// bit 42
uint ENCLOSED_ALPHANUMERICS_LOW = 0x2460;
nCharsInRange = ur.GetRange(ENCLOSED_ALPHANUMERICS_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange2, 0x00000400, nCharsInRange, "Enclosed Alphanumerics");
// bit 43
uint BOX_DRAWING_LOW = 0x2500;
nCharsInRange = ur.GetRange(BOX_DRAWING_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange2, 0x00000800, nCharsInRange, "Box Drawing");
// bit 44
uint BLOCK_ELEMENTS_LOW = 0x2580;
nCharsInRange = ur.GetRange(BLOCK_ELEMENTS_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange2, 0x00001000, nCharsInRange, "Block Elements");
// bit 45
uint GEOMETRIC_SHAPES_LOW = 0x25A0;
nCharsInRange = ur.GetRange(GEOMETRIC_SHAPES_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange2, 0x00002000, nCharsInRange, "Geometric Shapes");
// bit 46
uint MISC_SYMBOLS_LOW = 0x2600;
nCharsInRange = ur.GetRange(MISC_SYMBOLS_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange2, 0x00004000, nCharsInRange, "Miscellaneous Symbols");
// bit 47
uint DINGBATS_LOW = 0x2700;
nCharsInRange = ur.GetRange(DINGBATS_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange2, 0x00008000, nCharsInRange, "Dingbats");
// bit 48
uint CJK_SYMBOLS_PUNCTUATION_LOW = 0x3000;
nCharsInRange = ur.GetRange(CJK_SYMBOLS_PUNCTUATION_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange2, 0x00010000, nCharsInRange, "CJK Symbols and Punctuation");
// bit 49
uint HIRAGANA_LOW = 0x3040;
nCharsInRange = ur.GetRange(HIRAGANA_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange2, 0x00020000, nCharsInRange, "Hiragana");
// bit 50
uint KATAKANA_LOW = 0x30A0;
uint Katakana_Phonetic_Extensions = 0x31F0;
nCharsInRange = ur.GetRange(KATAKANA_LOW).count
+ ur.GetRange(Katakana_Phonetic_Extensions).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange2, 0x00040000, nCharsInRange, "Katakana");
// bit 51
uint BOPOMOFO_LOW = 0x3100;
uint BOPOMOFO_EXTENDED_LOW = 0x31A0;
nCharsInRange = ur.GetRange(BOPOMOFO_LOW).count
+ ur.GetRange(BOPOMOFO_EXTENDED_LOW).count;
bOk &= VerifyUnicodeRanges(v, ulUnicodeRange2, 0x00080000, nCharsInRange, "Bopomofo, Bopomofo Extended");
// bit 52
uint HANGUL_COMPAT_JAMO_LOW = 0x3130;
nCharsInRange = ur.GetRange(HANGUL_COMPAT_JAMO_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange2, 0x00100000, nCharsInRange, "Hangul Compatibility Jamo");
// v2: CJK Miscellaneous
// v3: Reserved for Unicode SubRanges
// v4: Phags-pa A840-A87F
// bit 53 !!! OT Spec 1.3 says bit 53 is CJK Misc !!!
// !!! Since there's no unicode range name !!!
// !!! that maps nicely to CJK Misc, !!!
// !!! I naturally just ignore it. !!!
/*
bOk &= VerifyUnicodeRange(v, ulUnicodeRange2, 0x00200000, nCharsInRange, "CJK Miscellaneous");
*/
// TODO: v4
// bit 54
uint ENCLOSED_CJK_LETTERS_MONTHS_LOW = 0x3200;
nCharsInRange = ur.GetRange(ENCLOSED_CJK_LETTERS_MONTHS_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange2, 0x00400000, nCharsInRange, "Enclosed CJK Letters and Months");
// bit 55
uint CJK_COMPATIBILITY_LOW = 0x3300;
nCharsInRange = ur.GetRange(CJK_COMPATIBILITY_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange2, 0x00800000, nCharsInRange, "CJK Compatibility");
// bit 56
uint HANGUL_LOW = 0xAC00;
nCharsInRange = ur.GetRange(HANGUL_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange2, 0x01000000, nCharsInRange, "Hangul");
// v1: Reserved for Unicode SubRanges
// v2: Surrogates
// v3: Non-Plane 0 *
// v4: Non-Plane 0 * D800-DFFF
// bit 57 surrogates
if (version > 1)
{
bool bSurrogatesCmapPresent = false;
Table_cmap cmapTable = (Table_cmap)fontOwner.GetTable("cmap");
if (cmapTable != null)
{
Table_cmap.EncodingTableEntry eteUniSurrogates = cmapTable.GetEncodingTableEntry(3,10);
if (eteUniSurrogates != null)
bSurrogatesCmapPresent = true;
}
if ((ulUnicodeRange2 & 0x02000000) == 0)
{
if (bSurrogatesCmapPresent)
{
v.Error(T.T_NULL, E.OS_2_E_SurrogatesBitClear, m_tag);
bOk = false;
}
}
else
{
if (!bSurrogatesCmapPresent)
{
v.Error(T.T_NULL, E.OS_2_E_SurrogatesBitSet, m_tag);
bOk = false;
}
}
}
// v1/v2/v3: Reserved for Unicode SubRanges
// v4: Phoenician 10900-1091F
if (version < 4)
{
// bit 58 reserved
if ((ulUnicodeRange2 & 0x04000000) != 0)
{
bOk = false;
v.Error(T.T_NULL, E.OS_2_E_ReservedBitSet_Unicode, m_tag, "bit #58");
}
}
// TODO: v4
// bit 59
uint CJK_UNIFIED_IDEOGRAPHS_LOW = 0x4E00;
uint CJK_RADICALS_SUPPLEMENT_LOW = 0x2E80;
uint KANGXI_RADICALS_LOW = 0x2F00;
uint IDEOGRAPHIC_DESCRIPTION_CHARS_LOW = 0x2FF0;
uint CJK_UNIFIED_IDEOGRAPHS_EXT_A_LOW = 0x3400;
uint CJK_UNIFIED_IDEOGRAPHS_EXT_B_LOW = 0x20000;
uint KANBUN_LOW = 0x3190;
nCharsInRange = ur.GetRange(CJK_UNIFIED_IDEOGRAPHS_LOW).count
+ ur.GetRange(CJK_RADICALS_SUPPLEMENT_LOW).count
+ ur.GetRange(KANGXI_RADICALS_LOW).count
+ ur.GetRange(IDEOGRAPHIC_DESCRIPTION_CHARS_LOW).count
+ ur.GetRange(CJK_UNIFIED_IDEOGRAPHS_EXT_A_LOW).count
+ ur.GetRange(CJK_UNIFIED_IDEOGRAPHS_EXT_B_LOW).count
+ ur.GetRange(KANBUN_LOW).count;
bOk &= VerifyUnicodeRanges(v, ulUnicodeRange2, 0x08000000, nCharsInRange, "CJK Unified Ideographs, CJK Radicals Supplement, Kangxi Radicals, Ideographic Description Chars, CJK Unified Ideographs Extended A, CJK Unified Ideographs Extended B, Kanbun");
// bit 60
uint PRIVATE_USE_AREA_LOW = 0xE000;
if (!fontOwner.ContainsMsSymbolEncodedCmap())
{
nCharsInRange = ur.GetRange(PRIVATE_USE_AREA_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange2, 0x10000000, nCharsInRange, "Private Use Area");
}
// bit 61
uint CJK_Strokes = 0x31C0;
uint CJK_COMPATIBILITY_IDEOGRAPHS_LOW = 0xF900;
uint CJK_COMPATIBILITY_IDEO_SUPP_LOW = 0x2F800;
nCharsInRange = ur.GetRange(CJK_Strokes).count
+ ur.GetRange(CJK_COMPATIBILITY_IDEOGRAPHS_LOW).count
+ ur.GetRange(CJK_COMPATIBILITY_IDEO_SUPP_LOW).count;
bOk &= VerifyUnicodeRanges(v, ulUnicodeRange2, 0x20000000, nCharsInRange, "CJK Compatibility Ideographs, CJK Compatibility Ideographs Supplement");
// bit 62
uint ALPHABETIC_PRESENTATION_FORMS_LOW = 0xFB00;
nCharsInRange = ur.GetRange(ALPHABETIC_PRESENTATION_FORMS_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange2, 0x40000000, nCharsInRange, "Alphabetic Presentation Forms");
// bit 63
uint ARABIC_PRESENTATION_FORMS_A_LOW = 0xFB50;
nCharsInRange = ur.GetRange(ARABIC_PRESENTATION_FORMS_A_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange2, 0x80000000, nCharsInRange, "Arabic Presentation Forms-A");
// bit 64
uint COMBINING_HALF_MARKS_LOW = 0xFE20;
nCharsInRange = ur.GetRange(COMBINING_HALF_MARKS_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange3, 0x00000001, nCharsInRange, "Combining Half Marks");
// bit 65
uint Vertical_Forms = 0xFE10;
uint CJK_COMPATIBILITY_FORMS_LOW = 0xFE30;
nCharsInRange = ur.GetRange(Vertical_Forms).count
+ ur.GetRange(CJK_COMPATIBILITY_FORMS_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange3, 0x00000002, nCharsInRange, "CJK Compatibility Forms");
// bit 66
uint SMALL_FORM_VARIANTS_LOW = 0xFE50;
nCharsInRange = ur.GetRange(SMALL_FORM_VARIANTS_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange3, 0x00000004, nCharsInRange, "Small Form Variants");
// bit 67
uint ARABIC_PRESENTATION_FORMS_B_LOW = 0xFE70;
nCharsInRange = ur.GetRange(ARABIC_PRESENTATION_FORMS_B_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange3, 0x00000008, nCharsInRange, "Arabic Presentation Forms-B");
// bit 68
uint HALFWIDTH_FULLWIDTH_FORMS_LOW = 0xFF00;
nCharsInRange = ur.GetRange(HALFWIDTH_FULLWIDTH_FORMS_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange3, 0x00000010, nCharsInRange, "Halfwidth and Fullwidth Forms");
// bit 69
uint SPECIALS_LOW = 0xFFF0;
nCharsInRange = ur.GetRange(SPECIALS_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange3, 0x00000020, nCharsInRange, "Specials");
// v1: 70-127 Reserved for Unicode SubRanges
if (version < 2)
{
for (int bitpos = 6; bitpos < 32; bitpos++)
{
if ((ulUnicodeRange3 & (1<<bitpos)) != 0) { bOk = false; v.Error(T.T_NULL, E.OS_2_E_ReservedBitSet_Unicode, m_tag, "bit #" + (64+bitpos)); }
}
for (int bitpos = 0; bitpos < 32; bitpos++)
{
if ((ulUnicodeRange4 & (1<<bitpos)) != 0) { bOk = false; v.Error(T.T_NULL, E.OS_2_E_ReservedBitSet_Unicode, m_tag, "bit #" + (96+bitpos)); }
}
}
else
{
// bit 70
uint TIBETAN_LOW = 0x0F00;
nCharsInRange = ur.GetRange(TIBETAN_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange3, 0x00000040, nCharsInRange, "Tibetan");
// bit 71
uint SYRIAC_LOW = 0x0700;
nCharsInRange = ur.GetRange(SYRIAC_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange3, 0x00000080, nCharsInRange, "Syriac");
// bit 72
uint THAANA_LOW = 0x0780;
nCharsInRange = ur.GetRange(THAANA_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange3, 0x00000100, nCharsInRange, "Thaana");
// bit 73
uint SINHALA_LOW = 0x0D80;
nCharsInRange = ur.GetRange(SINHALA_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange3, 0x00000200, nCharsInRange, "Sinhala");
// bit 74
uint MYANMAR_LOW = 0x1000;
nCharsInRange = ur.GetRange(MYANMAR_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange3, 0x00000400, nCharsInRange, "Myanmar");
// bit 75
uint ETHIOPIC_LOW = 0x1200;
uint Ethiopic_Supplement = 0x1380;
uint Ethiopic_Extended = 0x2D80;
nCharsInRange = ur.GetRange(ETHIOPIC_LOW).count
+ ur.GetRange(Ethiopic_Supplement).count
+ ur.GetRange(Ethiopic_Extended).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange3, 0x00000800, nCharsInRange, "Ethiopic");
// bit 76
uint CHEROKEE_LOW = 0x13A0;
nCharsInRange = ur.GetRange(CHEROKEE_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange3, 0x00001000, nCharsInRange, "Cherokee");
// bit 77
uint UNIFIED_CANADIAN_AB_SYL_LOW = 0x1400;
nCharsInRange = ur.GetRange(UNIFIED_CANADIAN_AB_SYL_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange3, 0x00002000, nCharsInRange, "Unified Canadian Syllabics");
// bit 78
uint OGHAM_LOW = 0x1680;
nCharsInRange = ur.GetRange(OGHAM_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange3, 0x00004000, nCharsInRange, "Ogham");
// bit 79
uint RUNIC_LOW = 0x16A0;
nCharsInRange = ur.GetRange(RUNIC_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange3, 0x00008000, nCharsInRange, "Runic");
// bit 80
uint KHMER_LOW = 0x1780;
uint Khmer_Symbols = 0x19E0;
nCharsInRange = ur.GetRange(KHMER_LOW).count
+ ur.GetRange(Khmer_Symbols).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange3, 0x00010000, nCharsInRange, "Khmer");
// bit 81
uint MONGOLIAN_LOW = 0x1800;
nCharsInRange = ur.GetRange(MONGOLIAN_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange3, 0x00020000, nCharsInRange, "Mongolian");
// bit 82
uint BRAILLE_PATTERNS_LOW = 0x2800;
nCharsInRange = ur.GetRange(BRAILLE_PATTERNS_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange3, 0x00040000, nCharsInRange, "Braille");
// bit 83
uint YI_LOW = 0xA000;
uint YI_RADICALS_LOW = 0xA490;
nCharsInRange = ur.GetRange(YI_LOW).count
+ ur.GetRange(YI_RADICALS_LOW).count;
bOk &= VerifyUnicodeRanges(v, ulUnicodeRange3, 0x00080000, nCharsInRange, "Yi, Yi Radicals");
// v2: 84-127 Reserved for Unicode SubRanges
if (version < 3)
{
for (int bitpos = 20; bitpos < 32; bitpos++)
{
if ((ulUnicodeRange3 & (1<<bitpos)) != 0) { bOk = false; v.Error(T.T_NULL, E.OS_2_E_ReservedBitSet_Unicode, m_tag, "bit #" + (64+bitpos)); }
}
for (int bitpos = 0; bitpos < 32; bitpos++)
{
if ((ulUnicodeRange4 & (1<<bitpos)) != 0) { bOk = false; v.Error(T.T_NULL, E.OS_2_E_ReservedBitSet_Unicode, m_tag, "bit #" + (96+bitpos)); }
}
}
else
{
// bit 84
uint TAGALOG_LOW = 0x1700;
uint HANUNOO_LOW = 0x1720;
uint BUHID_LOW = 0x1740;
uint TAGBANWA_LOW = 0x1760;
nCharsInRange = ur.GetRange(TAGALOG_LOW).count
+ ur.GetRange(HANUNOO_LOW).count
+ ur.GetRange(BUHID_LOW).count
+ ur.GetRange(TAGBANWA_LOW).count;
bOk &= VerifyUnicodeRanges(v, ulUnicodeRange3, 0x00100000, nCharsInRange, "Tagalog, Hanunoo, Buhid, Tagbanwa");
// bit 85
uint OLD_ITALIC_LOW = 0x10300;
nCharsInRange = ur.GetRange(OLD_ITALIC_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange3, 0x00200000, nCharsInRange, "Old Italic");
// bit 86
uint GOTHIC_LOW = 0x10330;
nCharsInRange = ur.GetRange(GOTHIC_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange3, 0x00400000, nCharsInRange, "Gothic");
// bit 87
uint DESERET_LOW = 0x10400;
nCharsInRange = ur.GetRange(DESERET_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange3, 0x00800000, nCharsInRange, "Deseret");
// bit 88
uint BYZANTINE_MUSICAL_SYMBOLS_LOW = 0x1D000;
uint MUSICAL_SYMBOLS_LOW = 0x1D100;
uint Ancient_Greek_Musical_Notation = 0x1D200;
nCharsInRange = ur.GetRange(BYZANTINE_MUSICAL_SYMBOLS_LOW).count
+ ur.GetRange(MUSICAL_SYMBOLS_LOW).count
+ ur.GetRange(Ancient_Greek_Musical_Notation).count;
bOk &= VerifyUnicodeRanges(v, ulUnicodeRange3, 0x01000000, nCharsInRange, "Byzantine Musical Symbols, Musical Symbols");
// bit 89
uint MATHEMATICAL_ALPHANUMERIC_LOW = 0x1D400;
nCharsInRange = ur.GetRange(MATHEMATICAL_ALPHANUMERIC_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange3, 0x02000000, nCharsInRange, "Mathematical Alphanumeric Symbols");
// bit 90
uint PRIVATE_USE_15_LOW = 0xFFF80;
uint PRIVATE_USE_16_LOW = 0x10FF80;
nCharsInRange = ur.GetRange(PRIVATE_USE_15_LOW).count
+ ur.GetRange(PRIVATE_USE_16_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange3, 0x04000000, nCharsInRange, "Private Use (Plane 15), Private Use (Plane 16)");
// bit 91
uint Variation_Selectors = 0xFE00;
uint VARIATION_SELECTORS_SUPP = 0xE0100;
nCharsInRange = ur.GetRange(Variation_Selectors).count
+ ur.GetRange(VARIATION_SELECTORS_SUPP).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange3, 0x08000000, nCharsInRange, "Variation Selectors");
// bit 92
uint TAGS_LOW = 0xE0000;
nCharsInRange = ur.GetRange(TAGS_LOW).count;
bOk &= VerifyUnicodeRange(v, ulUnicodeRange3, 0x10000000, nCharsInRange, "Tags");
// v3: 93-127 Reserved for Unicode SubRanges
if (version < 4)
{
for (int bitpos = 29; bitpos < 32; bitpos++)
{
if ((ulUnicodeRange3 & (1<<bitpos)) != 0) { bOk = false; v.Error(T.T_NULL, E.OS_2_E_ReservedBitSet_Unicode, m_tag, "bit #" + (64+bitpos)); }
}
for (int bitpos = 0; bitpos < 32; bitpos++)
{
if ((ulUnicodeRange4 & (1<<bitpos)) != 0) { bOk = false; v.Error(T.T_NULL, E.OS_2_E_ReservedBitSet_Unicode, m_tag, "bit #" + (96+bitpos)); }
}
}
else
{
// v4 addition
/*
93 Limbu 1900-194F
94 Tai Le 1950-197F
95 New Tai Lue 1980-19DF
96 Buginese 1A00-1A1F
97 Glagolitic 2C00-2C5F
98 Tifinagh 2D30-2D7F
99 Yijing Hexagram Symbols 4DC0-4DFF
100 Syloti Nagri A800-A82F
101 Linear B Syllabary 10000-1007F
Linear B Ideograms 10080-100FF
Aegean Numbers 10100-1013F
102 Ancient Greek Numbers 10140-1018F
103 Ugaritic 10380-1039F
104 Old Persian 103A0-103DF
105 Shavian 10450-1047F
106 Osmanya 10480-104AF
107 Cypriot Syllabary 10800-1083F
108 Kharoshthi 10A00-10A5F
109 Tai Xuan Jing Symbols 1D300-1D35F
110 Cuneiform 12000-123FF
Cuneiform Numbers and Punctuation 12400-1247F
111 Counting Rod Numerals 1D360-1D37F
112 Sundanese 1B80-1BBF
113 Lepcha 1C00-1C4F
114 Ol Chiki 1C50-1C7F
115 Saurashtra A880-A8DF
116 Kayah Li A900-A92F
117 Rejang A930-A95F
118 Cham AA00-AA5F
119 Ancient Symbols 10190-101CF
120 Phaistos Disc 101D0-101FF
121 Carian 102A0-102DF
Lycian 10280-1029F
Lydian 10920-1093F
122 Domino Tiles 1F030-1F09F
Mahjong Tiles 1F000-1F02F
123-127 Reserved for process-internal usage
*/
// TODO: v4 addition
}
}
}
if (bOk)
{
v.Pass(P.OS_2_P_UnicodeRanges, m_tag);
}
else
{
bRet = false;
}
return bRet;
}
/// <summary>Notify observer of FontParsed event</summary>
public void OnFontParsedEvent(OTFont f)
{
m_OnValidateEvent(EventTypes.FontParsed, f);
}
/************************
* protected methods
*/
protected ushort GetNumGlyphs(OTFont fontOwner)
{
if (m_numGlyphs == 0)
{
Table_maxp maxpTable = (Table_maxp)fontOwner.GetTable("maxp");
if (maxpTable != null)
{
m_numGlyphs = maxpTable.NumGlyphs;
}
}
Debug.Assert(m_numGlyphs != 0, "m_numGlyphs == 0");
return m_numGlyphs;
}
/*
* METHODS PUBLIC: GLYF ACCESS
*/
public bool GetEntryGlyf(int indexGlyph,
out int offsStart, out int length, OTFont fontOwner)
{
offsStart=Table_loca.ValueInvalid;
length=Table_loca.ValueInvalid;
int offsGlyfCur, offsGlyfNext;
if ((!this.GetGlyfOffset(indexGlyph,out offsGlyfCur, fontOwner))||
(!this.GetGlyfOffset(indexGlyph+1,out offsGlyfNext, fontOwner)))
{
return false; // the error is already reported
}
int lengthGlyf=this.LengthGlyf(fontOwner);
if (lengthGlyf==Table_loca.ValueInvalid)
{
return false;
}
if ((offsGlyfCur<0)||(offsGlyfCur>=lengthGlyf))
{
// Offset Within Glyf Range
return false;
}
if ((offsGlyfNext<0)||(offsGlyfNext>=lengthGlyf))
{
int numEntry=this.NumEntry(fontOwner);
if ((indexGlyph!=numEntry-2)||(offsGlyfNext!=lengthGlyf))
{
// Offset Within Glyf Range
return false;
}
}
int lengthGlyfCur=offsGlyfNext-offsGlyfCur;
if (lengthGlyfCur<0)
{
// offsets increasing error
return false;
}
offsStart=offsGlyfCur;
length=lengthGlyfCur;
return true;
}
public GlyphInfo GetGlyphInfo(uint iGlyph, OTFont fontOwner)
{
uint offset = GetGlyphInfoOffset(iGlyph, fontOwner);
return(new GlyphInfo(offset, m_bufTable));
}
public short GetLeftSideBearing(uint i, OTFont fontOwner)
{
if (i >= GetNumLeftSideBearingEntries(fontOwner))
{
throw new ArgumentOutOfRangeException("i");
}
uint nhm = GetNumberOfHMetrics(fontOwner);
return m_bufTable.GetShort(nhm*4 + i*2);
}