public TrueTypeFontSubSet(string fileName, RandomAccessFileOrArray rf, Dictionary<int,int[]> glyphsUsed, int directoryOffset, bool includeCmap, bool includeExtras)
{
this.fileName = fileName;
this.rf = rf;
this.glyphsUsed = glyphsUsed;
this.includeCmap = includeCmap;
this.includeExtras = includeExtras;
this.directoryOffset = directoryOffset;
glyphsInList = new List<int>(glyphsUsed.Keys);
}