public static GlyfTable Read(BinaryReaderFont reader, LocaTable loca)
{
//long position = reader.Position;
//uint[] offsets = loca.offsets;
GlyfTable value = new GlyfTable();
value.position = reader.Position;
value.filePath = reader.FilePath;
value.loca = loca;
/*
* int length = loca.offsets.Length - 1;
* value.glyphs = new Glyph[length];
* for (int i = 0; i < length; i++) {
* uint offset = offsets[i];
* uint glyphLength = offsets[i + 1] - offset;
* if (glyphLength == 0) {
* value.glyphs[i] = null;
* continue;
* }
* reader.Position = position + offset;
* Glyph glyph = Glyph.Read(reader);
* value.glyphs[i] = glyph;
* }
*/
return(value);
}
public void ReadTables(BinaryReaderFont reader)
{
if (offset == null)
{
return;
}
int length = offset.numTables;
for (int i = 0; i < length; i++)
{
TableRecord record = Records[i];
//Console.WriteLine(record);
//bool checkSum = reader.TableChecksum(record);
//Console.WriteLine("checkSum {0}: {1}", record.tableTag, checkSum);
reader.Position = record.offset;
long memory = 0;
#if DEBUG
memory = GC.GetTotalMemory(false);
#endif
switch (record.tableTag)
{
case AvarTable.Tag: // OpenType Font Variations
avar = AvarTable.Read(reader);
break;
case BASETable.Tag: // Advanced Typographic Table
//BASE = BASETable.Read(reader);
break;
case CBDTTable.Tag: // Related to Bitmap Glyphs, Related to Color Fonts
CBDT = CBDTTable.Read(reader, CBLC);
break;
case CBLCTable.Tag: // Related to Bitmap Glyphs, Related to Color Fonts
CBLC = CBLCTable.Read(reader);
break;
case CFFTable.Tag: // Related to CFF Outlines
CFF = CFFTable.Read(reader);
break;
case CFF2Table.Tag: // Related to CFF Outlines
//CFF2 = CFF2Table.Read(reader);
break;
case CmapTable.Tag: // Required Table
cmap = CmapTable.Read(reader);
break;
case COLRTable.Tag: // Related to Color Fonts
//COLR = COLRTable.Read(reader);
break;
case CPALTable.Tag: // Related to Color Fonts
//CPAL = CPALTable.Read(reader);
break;
case CvarTable.Tag: // OpenType Font Variations
cvar = CvarTable.Read(reader);
break;
case CvtTable.Tag: // Related to TrueType Outlines
cvt = CvtTable.Read(reader, record);
break;
case DSIGTable.Tag: // Other OpenType Table
//DSIG = DSIGTable.Read(reader);
break;
case EBDTTable.Tag: // Related to Bitmap Glyphs
EBDT = EBDTTable.Read(reader, EBLC);
break;
case EBLCTable.Tag: // Related to Bitmap Glyphs
EBLC = EBLCTable.Read(reader);
break;
case EBSCTable.Tag: // Related to Bitmap Glyphs
//EBSC = EBSCTable.Read(reader);
break;
case FpgmTable.Tag: // Related to TrueType Outlines
fpgm = FpgmTable.Read(reader, record);
break;
case FvarTable.Tag: // OpenType Font Variations
fvar = FvarTable.Read(reader);
break;
case GaspTable.Tag: // Related to TrueType Outlines
//gasp = GaspTable.Read(reader);
break;
case GDEFTable.Tag: // Advanced Typographic Table
//GDEF = GDEFTable.Read(reader);
break;
case GlyfTable.Tag: // Related to TrueType Outlines
glyf = GlyfTable.Read(reader, loca);
break;
case GPOSTable.Tag: // Advanced Typographic Table
//GPOS = GPOSTable.Read(reader);
break;
case GSUBTable.Tag: // Advanced Typographic Table
//GSUB = GSUBTable.Read(reader);
break;
case GvarTable.Tag: // OpenType Font Variations
//gvar = GvarTable.Read(reader);
break;
case HdmxTable.Tag: // Other OpenType Table
hdmx = HdmxTable.Read(reader);
break;
case HeadTable.Tag: // Required Table
head = HeadTable.Read(reader);
break;
case HheaTable.Tag: // Required Table
hhea = HheaTable.Read(reader);
break;
case HmtxTable.Tag: // Required Table
hmtx = HmtxTable.Read(reader, hhea, maxp);
break;
case HVARTable.Tag: // OpenType Font Variations
//HVAR = HVARTable.Read(reader);
break;
case JSTFTable.Tag: // Advanced Typographic Table
//JSTF = JSTFTable.Read(reader);
break;
case KernTable.Tag: // Other OpenType Table
//kern = KernTable.Read(reader);
break;
case LocaTable.Tag: // Related to TrueType Outlines
loca = LocaTable.Read(reader, head, maxp);
break;
case LTSHTable.Tag: // Other OpenType Table
//LTSH = LTSHTable.Read(reader);
break;
case MATHTable.Tag: // Advanced Typographic Table
//MATH = MATHTable.Read(reader);
break;
case MaxpTable.Tag: // Required Table
maxp = MaxpTable.Read(reader);
break;
case MERGTable.Tag: // Other OpenType Table
//MERG = MERGTable.Read(reader);
break;
case MetaTable.Tag: // Other OpenType Table
//meta = MetaTable.Read(reader);
break;
case MVARTable.Tag: // OpenType Font Variations
//MVAR = MVARTable.Read(reader);
break;
case NameTable.Tag: // Required Table
name = NameTable.Read(reader);
break;
case OS2Table.Tag: // Required Table
//OS2 = OS2Table.Read(reader);
break;
case PcltTable.Tag: // Other OpenType Table
pclt = PcltTable.Read(reader);
break;
case PostTable.Tag: // Required Table
//post = PostTable.Read(reader, record);
break;
case PrepTable.Tag: // Related to TrueType Outlines
prep = PrepTable.Read(reader, record);
break;
case SbixTable.Tag: // Related to Bitmap Glyphs, Related to Color Fonts
sbix = SbixTable.Read(reader, maxp);
break;
case STATTable.Tag: // OpenType Font Variations, Other OpenType Table
//STAT = STATTable.Read(reader);
break;
case SVGTable.Tag: // Related to SVG Outlines, Related to Color Fonts
//SVG = SVGTable.Read(reader);
break;
case VDMXTable.Tag: // Other OpenType Table
//VDMX = VDMXTable.Read(reader);
break;
case VheaTable.Tag: // Other OpenType Table
//vhea = VheaTable.Read(reader);
break;
case VmtxTable.Tag: // Other OpenType Table
//vmtx = VmtxTable.Read(reader);
break;
case VORGTable.Tag: // Related to CFF Outlines
//VORG = VORGTable.Read(reader);
break;
case VVARTable.Tag: // OpenType Font Variations
//VVAR = VVARTable.Read(reader);
break;
}
#if DEBUG
if (Font.IsDebug)
{
memory = GC.GetTotalMemory(false) - memory;
Console.WriteLine("{0} memory: {1}", record.tableTag, memory);
}
#endif
}
}
public void DrawText(Bitmap bitmap, string text, float x, float y)
{
if (UseInterpreter)
{
interpreter.ppem = FontSize;
InterpretPrep();
}
context.UseInterpreter = UseInterpreter;
context.UseBitmapGlyph = UseBitmapGlyph;
context.DX = x;
context.DY = y;
context.FontSize = FontSize;
context.Bitmap = bitmap;
context.Graphics = Graphics.FromImage(bitmap);
context.Graphics.SmoothingMode = SmoothingMode.HighQuality;
HmtxTable hmtx = font.Tables.hmtx;
GlyfTable glyf = font.Tables.glyf;
char highSurrogate = '\0';
int length = text.Length;
for (int i = 0; i < length; i++)
{
char charCode = text[i];
if (char.IsHighSurrogate(charCode))
{
highSurrogate = charCode;
continue;
}
int codePoint;
if (char.IsLowSurrogate(charCode))
{
codePoint = char.ConvertToUtf32(highSurrogate, charCode);
}
else
{
codePoint = charCode;
}
context.CodePoint = codePoint;
context.GlyphId = font.GetGlyphId(codePoint);
if (hmtx != null)
{
context.hMetric = hmtx.GetMetric(context.GlyphId);
}
if (glyf != null)
{
context.Glyph = glyf.GetGlyph(context.GlyphId);
if (context.Glyph == null)
{
//context.GlyphId = 0;
//context.Glyph = glyf.GetGlyph(0);
if (hmtx != null)
{
//context.hMetric = hmtx.GetMetric(0);
}
}
}
DrawGlyph(context);
}
context.Reset();
}
