private FontTables[] readFontFile(string filePath)
{
using (BinaryReaderV binred = new BinaryReaderV(filePath))
{
fileLength = (int)binred.BaseStream.Length;
header = binred.ReadBigEndUInt32();
if (header != 0x4f54544f && header != 0x00010000) //cff or ttf
{
return(null);
}
numTables = binred.ReadBigEndUInt16();
searchRange = binred.ReadBigEndUInt16(); //?
entrySelector = binred.ReadBigEndUInt16(); //?
rangeShift = binred.ReadBigEndUInt16(); //?
FontTables[] fontTables = new FontTables[numTables];
for (int i = 0; i < numTables; i++)
{
FontTables ft = new FontTables();
string tagName = Encoding.ASCII.GetString(binred.ReadBytes(4));
ft.tag = tagName;
ft.checkSum = binred.ReadBigEndUInt32();
ft.offset = binred.ReadBigEndUInt32();
ft.length = binred.ReadBigEndUInt32();
long hold = binred.BaseStream.Position;
binred.BaseStream.Position = ft.offset;
byte[] bb = binred.ReadBytes((int)ft.length);
ft.data = bb;
binred.BaseStream.Position = hold;
fontTables[i] = ft;
fontDict.Add(ft.tag, ft);
}
//readCmap(binred, fontDict["cmap"]);
return(fontTables);//.OrderBy(p => p.offset).ToArray();
}
}
private void readCmap(BinaryReaderV binred, FontTables cmapTable)
{
binred.BaseStream.Position = cmapTable.offset;
CMap cmap = new CMap();
cmap.version = binred.ReadBigEndUInt16();
cmap.numTables = binred.ReadBigEndUInt16();
cmap.encodingRecs = new EncodingRecord[cmap.numTables];
for (int i = 0; i < cmap.numTables; i++)
{
EncodingRecord er = new EncodingRecord();
er.platformID = binred.ReadBigEndUInt16();
er.encodingID = binred.ReadBigEndUInt16();
er.offset = binred.ReadBigEndUInt32();
}
}