public static Font[] Parse(string path)
{
Font[] fonts = null;
if (File.Exists(path) == false)
{
return(fonts);
}
using (Stream stream = File.OpenRead(path))
using (BinaryReaderFont reader = new BinaryReaderFont(stream)) {
reader.FilePath = path;
string tag = reader.ReadTag();
stream.Position = 0;
switch (tag)
{
case TTCHeader.Tag:
fonts = ParseTTC(reader);
break;
default:
fonts = new Font[] { Font.Read(reader) };
break;
}
}
return(fonts);
}
public static LangSysRecord Read(BinaryReaderFont reader)
{
return(new LangSysRecord {
langSysTag = reader.ReadTag(),
langSysOffset = reader.ReadUInt16()
});
}
public static ScriptRecord Read(BinaryReaderFont reader)
{
return(new ScriptRecord {
scriptTag = reader.ReadTag(),
scriptOffset = reader.ReadUInt16()
});
}
public static FeatureRecord Read(BinaryReaderFont reader)
{
return(new FeatureRecord {
featureTag = reader.ReadTag(),
featureOffset = reader.ReadUInt16()
});
}
public static BaseLangSysRecord Read(BinaryReaderFont reader)
{
return(new BaseLangSysRecord {
baseLangSysTag = reader.ReadTag(),
minMaxOffset = reader.ReadUInt16()
});
}
public static DataMap Read(BinaryReaderFont reader)
{
return(new DataMap {
tag = reader.ReadTag(),
dataOffset = reader.ReadUInt32(),
dataLength = reader.ReadUInt32()
});
}
public static FeatMinMaxRecord Read(BinaryReaderFont reader)
{
return(new FeatMinMaxRecord {
featureTableTag = reader.ReadTag(),
minCoord = reader.ReadUInt16(),
maxCoord = reader.ReadUInt16()
});
}
public static MvarValueRecord Read(BinaryReaderFont reader)
{
return(new MvarValueRecord {
valueTag = reader.ReadTag(),
deltaSetOuterIndex = reader.ReadUInt16(),
deltaSetInnerIndex = reader.ReadUInt16()
});
}
public static AxisRecord Read(BinaryReaderFont reader)
{
return(new AxisRecord {
axisTag = reader.ReadTag(),
axisNameID = reader.ReadUInt16(),
axisOrdering = reader.ReadUInt16()
});
}
public static GlyphData Read(BinaryReaderFont reader, uint dataLength)
{
return(new GlyphData {
originOffsetX = reader.ReadInt16(),
originOffsetY = reader.ReadInt16(),
graphicType = reader.ReadTag(),
data = reader.ReadBytes((int)dataLength)
});
}
public static TableRecord Read(BinaryReaderFont reader)
{
return(new TableRecord {
tableTag = reader.ReadTag(),
checkSum = reader.ReadUInt32(),
offset = reader.ReadUInt32(),
length = reader.ReadUInt32()
});
}
public static OS2Table Read(BinaryReaderFont reader)
{
OS2Table value = new OS2Table {
version = reader.ReadUInt16(),
xAvgCharWidth = reader.ReadInt16(),
usWeightClass = reader.ReadUInt16(),
usWidthClass = reader.ReadUInt16(),
fsType = reader.ReadUInt16(),
ySubscriptXSize = reader.ReadInt16(),
ySubscriptYSize = reader.ReadInt16(),
ySubscriptXOffset = reader.ReadInt16(),
ySubscriptYOffset = reader.ReadInt16(),
ySuperscriptXSize = reader.ReadInt16(),
ySuperscriptYSize = reader.ReadInt16(),
ySuperscriptXOffset = reader.ReadInt16(),
ySuperscriptYOffset = reader.ReadInt16(),
yStrikeoutSize = reader.ReadInt16(),
yStrikeoutPosition = reader.ReadInt16(),
sFamilyClass = reader.ReadInt16(),
panose = reader.ReadBytes(10),
ulUnicodeRange1 = reader.ReadUInt32(),
ulUnicodeRange2 = reader.ReadUInt32(),
ulUnicodeRange3 = reader.ReadUInt32(),
ulUnicodeRange4 = reader.ReadUInt32(),
achVendID = reader.ReadTag(),
fsSelection = reader.ReadUInt16(),
usFirstCharIndex = reader.ReadUInt16(),
usLastCharIndex = reader.ReadUInt16(),
sTypoAscender = reader.ReadInt16(),
sTypoDescender = reader.ReadInt16(),
sTypoLineGap = reader.ReadInt16(),
usWinAscent = reader.ReadUInt16(),
usWinDescent = reader.ReadUInt16()
};
if (value.version >= 1)
{
value.ulCodePageRange1 = reader.ReadUInt32();
value.ulCodePageRange2 = reader.ReadUInt32();
}
if (value.version >= 4)
{
value.sxHeight = reader.ReadInt16();
value.sCapHeight = reader.ReadInt16();
value.usDefaultChar = reader.ReadUInt16();
value.usBreakChar = reader.ReadUInt16();
value.usMaxContext = reader.ReadUInt16();
}
if (value.version >= 5)
{
value.usLowerOpticalPointSize = reader.ReadUInt16();
value.usUpperOpticalPointSize = reader.ReadUInt16();
}
return(value);
}
public static VariationAxisRecord Read(BinaryReaderFont reader)
{
return(new VariationAxisRecord {
axisTag = reader.ReadTag(),
minValue = reader.ReadUInt32(),
defaultValue = reader.ReadUInt32(),
maxValue = reader.ReadUInt32(),
flags = reader.ReadUInt16(),
axisNameID = reader.ReadUInt16()
});
}
public static BaseScriptRecord Read(BinaryReaderFont reader, long start)
{
BaseScriptRecord value = new BaseScriptRecord {
baseScriptTag = reader.ReadTag(),
baseScriptOffset = reader.ReadUInt16()
};
long position = reader.Position;
if (value.baseScriptOffset != 0)
{
reader.Position = start + value.baseScriptOffset;
value.baseScript = BaseScript.Read(reader);
}
reader.Position = position;
return(value);
}
public static TTCHeader Read(BinaryReaderFont reader)
{
TTCHeader value = new TTCHeader();
value.ttcTag = reader.ReadTag();
if (value.ttcTag != Tag)
{
throw new System.Exception(
string.Format("Parse error: ttcTag is not valid. {0}", value.ttcTag)
);
}
value.majorVersion = reader.ReadUInt16();
value.minorVersion = reader.ReadUInt16();
value.numFonts = reader.ReadUInt32();
value.offsetTable = reader.ReadUInt32Array((int)value.numFonts);
if (value.majorVersion >= 2)
{
value.dsigTag = reader.ReadUInt32();
value.dsigLength = reader.ReadUInt32();
value.dsigOffset = reader.ReadUInt32();
}
return(value);
}