public static void Load(FontParser parser,int offset,FontFace font,out int numberOfGlyphs){
// Seek:
parser.Position=offset;
// version
float version=parser.ReadVersion();
// Italic angle. For some reason it's inverted in the spec - negative means a slope to the right.
int frac;
int dec=parser.ReadFixed(out frac);
if(frac!=0){
// Figure it out:
float angle=(float)dec/(float)frac;
// Apply it (un-inverted):
font.SetItalicAngle(-angle);
}
// underlinePosition
parser.ReadInt16();
// underlineThickness
parser.ReadInt16();
// isFixedPitch
parser.ReadUInt32();
// minMemType42
parser.ReadUInt32();
// maxMemType42
parser.ReadUInt32();
// minMemType1
parser.ReadUInt32();
// maxMemType1
parser.ReadUInt32();
if(version==2f){
numberOfGlyphs = parser.ReadUInt16();
/*
string[] glyphNames=new string[numberOfGlyphs];
for (int i = 0; i < numberOfGlyphs; i++) {
// Read the index:
int index = parser.ReadUInt16();
if(index >= StandardNames.Length){
// Read the name:
glyphNames[i]=parser.ReadString(parser.ReadByte());
}else{
// Grab the std name:
glyphNames[i]=StandardNames[index];
}
}
*/
}else if(version==2.5f){
numberOfGlyphs = parser.ReadUInt16();
/*
byte[] offsets = new byte[numberOfGlyphs];
for (int i = 0; i < post.numberOfGlyphs; i++){
offsets[i] = parser.ReadByte();
}
*/
}else{
numberOfGlyphs=-1;
}
}
//--------------------------------------
public static bool Load(FontParser parser, FontFace font, bool full)
{
font.RequiresLoad = !full;
font.Parser = parser;
// Read the version:
int dec;
int version = parser.ReadFixed(out dec);
if (version == 1 && dec == 0)
{
// TTF outline format.
}
else
{
// Reset to start:
parser.Position = 0;
// OpenType. Read the tag (right at the start):
string openTypeVersion = parser.ReadTag();
if (openTypeVersion == "OTTO")
{
// CFF outline format.
}
else
{
// Unsupported format.
return(false);
}
}
// Table count:
int numTables = parser.ReadUInt16();
// Move to p12:
parser.Position = 12;
for (int i = 0; i < numTables; i++)
{
// Read the tables tag:
string tag = parser.ReadTag();
// Move parser along:
parser.Position += 4;
// Read the offset:
int offset = (int)parser.ReadUInt32();
// Grab the position - this allows the tables to mess it up:
int basePosition = parser.Position;
switch (tag)
{
case "cmap":
parser.CmapOffset = offset;
break;
case "head":
// Load the header:
if (!HeaderTables.Load(parser, offset, font, out parser.IndexToLocFormat))
{
return(false);
}
break;
case "hhea":
parser.HheaOffset = offset;
break;
case "hmtx":
parser.HmtxOffset = offset;
break;
case "maxp":
// Maxp table:
MaxpTables.Load(parser, offset, font, out parser.GlyphCount);
break;
case "name":
// General meta:
NameTables.Load(parser, offset, font);
break;
case "OS/2":
// OS2 table:
OS2Tables.Load(parser, offset, font);
break;
case "post":
// Postscript info table:
parser.PostOffset = offset;
break;
case "glyf":
parser.GlyfOffset = offset;
break;
case "loca":
parser.LocaOffset = offset;
break;
case "GSUB":
// Gsub(stitute) table. Ligatures fall through here.
GsubTables.Load(parser, offset, font);
break;
case "CFF ":
parser.CffOffset = offset;
break;
case "kern":
parser.KernOffset = offset;
break;
case "GPOS":
parser.GposOffset = offset;
break;
}
// Skip meta:
parser.Position = basePosition + 4;
}
if (full)
{
return(ReadTables(parser, font));
}
return(true);
}
public static void Load(FontParser parser, int offset, FontFace font, out int numberOfGlyphs)
{
// Seek:
parser.Position = offset;
// version
float version = parser.ReadVersion();
// Italic angle. For some reason it's inverted in the spec - negative means a slope to the right.
int frac;
int dec = parser.ReadFixed(out frac);
if (frac != 0)
{
// Figure it out:
float angle = (float)dec / (float)frac;
// Apply it (un-inverted):
font.SetItalicAngle(-angle);
}
// underlinePosition
parser.ReadInt16();
// underlineThickness
parser.ReadInt16();
// isFixedPitch
parser.ReadUInt32();
// minMemType42
parser.ReadUInt32();
// maxMemType42
parser.ReadUInt32();
// minMemType1
parser.ReadUInt32();
// maxMemType1
parser.ReadUInt32();
if (version == 2f)
{
numberOfGlyphs = parser.ReadUInt16();
/*
* string[] glyphNames=new string[numberOfGlyphs];
*
* for (int i = 0; i < numberOfGlyphs; i++) {
*
* // Read the index:
* int index = parser.ReadUInt16();
*
* if(index >= StandardNames.Length){
*
* // Read the name:
* glyphNames[i]=parser.ReadString(parser.ReadByte());
*
* }else{
*
* // Grab the std name:
* glyphNames[i]=StandardNames[index];
*
* }
*
* }
*/
}
else if (version == 2.5f)
{
numberOfGlyphs = parser.ReadUInt16();
/*
* byte[] offsets = new byte[numberOfGlyphs];
*
* for (int i = 0; i < post.numberOfGlyphs; i++){
*
* offsets[i] = parser.ReadByte();
*
* }
*/
}
else
{
numberOfGlyphs = -1;
}
}
