public static HmtxTable Read(BinaryReaderFont reader, HheaTable hhea, MaxpTable maxp)
{
HmtxTable value = new HmtxTable();
value.filePath = reader.FilePath;
value.numGlyphs = maxp.numGlyphs;
value.numberOfHMetrics = hhea.numberOfHMetrics;
value.position = reader.Position;
/*
* value.hMetrics = LongHorMetric.ReadList(reader, numberOfHMetrics);
* value.leftSideBearings = reader.ReadInt16Array(maxp.numGlyphs - numberOfHMetrics);
* for (int i = 0; i < value.leftSideBearings.Length; i++) {
* LongHorMetric hMetric = new LongHorMetric();
* hMetric.lsb = value.leftSideBearings[i];
* value.hMetrics.Add(hMetric);
* }
* value.leftSideBearings = null;
*/
return(value);
}
public static void DrawGlyph(RendererContext context)
{
CFFTable cff = context.Font.Tables.CFF;
HmtxTable hmtx = context.Font.Tables.hmtx;
LongHorMetric hMetric = context.hMetric;
//Console.WriteLine("glyphId: " + glyphId);
bool hasWidth = false;
if (hmtx != null)
{
hMetric = hmtx.GetMetric(context.GlyphId);
if (cff.privateDict != null && hMetric != null)
{
//Console.WriteLine("advanceWidth: {0}", hMetric.advanceWidth);
//Console.WriteLine("cff.privateDict.defaultWidthX: {0}", cff.privateDict.defaultWidthX);
hasWidth = hMetric.advanceWidth != (ushort)cff.privateDict.defaultWidthX;
}
}
//Console.WriteLine();
//Console.WriteLine("glyphId: {0}", context.GlyphId);
//Console.WriteLine("Docode:\n{0}", CFFCharString.Decode(cff.charStrings[context.GlyphId]));
GraphicsPath path = cff.GetGlyph(context.GlyphId, hasWidth);
if (path == null)
{
if (hMetric != null)
{
context.X += hMetric.advanceWidth;
return;
}
context.X += 100;
return;
}
float imageSize = context.FontSize;
float unitsPerEm = context.Font.Tables.head.unitsPerEm;
float ascender = context.Font.Tables.hhea.ascender;
float descender = context.Font.Tables.hhea.descender;
float scale = imageSize / (ascender - descender);
//float scale = imageSize / unitsPerEm;
//scale *= 0.01f;
float baseLine = scale * ascender;
/*
* GraphicsPath path = new GraphicsPath(FillMode.Alternate);
* for (int i = 0; i < points.Count; i++) {
* PointF p = points[i];
* Console.WriteLine("Point: {0}", points[i]);
* p.X /= 10;
* p.Y /= 10;
* //p.X = -p.X;
* //p.Y = -p.Y;
* //p.X += 100;
* //p.Y += 100;
* points[i] = p;
* }
* Console.WriteLine();
*/
//path.AddLines(points.ToArray());
//path.Transform(new Matrix(scale, 0, 0, -scale, (float)Math.Round(x * scale), baseLine));
float x = context.DX + context.X * scale;
float y = context.DY + baseLine;
path.Transform(new Matrix(
scale, 0,
0, -scale,
x, y)
);
path.CloseFigure();
context.Graphics.FillPath(Brushes.Black, path);
//Console.WriteLine("hMetric.advanceWidth: {0}", hMetric.advanceWidth);
if (hMetric != null)
{
context.X += hMetric.advanceWidth;
return;
}
context.X += 100;
}
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();
}