protected void ReadPrivate(BinaryReaderFont reader)
{
long start = reader.Position;
//Console.WriteLine("private dict: {0}", topDict.Private);
privateDict = CFFPrivateDict.Read(reader, (int)topDict.Private.values[0]);
//Console.WriteLine("private dict: {0}", privateDict);
//reader.Position = position + (int)topDict.Private.values[1];
//CFFIndex index = CFFIndex.Read(reader);
//int[] offset = index.offset;
//Console.WriteLine("local subr index: {0}", index);
if (privateDict.Subrs > 0)
{
reader.Position = start + (int)privateDict.Subrs;
CFFIndex index = CFFIndex.Read(reader);
int[] offset = index.ReadAllOffsets(reader);
//Console.WriteLine("local subr index: {0}", index);
localSubr = new byte[index.count][];
for (int i = 0; i < offset.Length - 1; i++)
{
int length = offset[i + 1] - offset[i];
localSubr[i] = reader.ReadBytes(length);
}
}
charString.localSubr = localSubr;
}
public static GlyphBitmapData5 Read(BinaryReaderFont reader, int byteSize)
{
GlyphBitmapData5 value = new GlyphBitmapData5();
value.imageData = reader.ReadBytes(byteSize);
return(value);
}
public int[] ReadAllOffsets(BinaryReaderFont reader)
{
if (count == 0)
{
return(new int[0]);
}
switch (offSize)
{
case 1:
return(Array.ConvertAll(
reader.ReadBytes(count + 1),
new Converter <byte, int>((a) => {
return a;
})
));
case 2:
return(Array.ConvertAll(
reader.ReadUInt16Array(count + 1),
new Converter <ushort, int>((a) => {
return a;
})
));
case 3:
return(reader.ReadUInt24Array(count + 1));
case 4:
return(reader.ReadInt32Array(count + 1));
}
return(new int[0]);
}
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 GlyphBitmapData19 Read(BinaryReaderFont reader)
{
GlyphBitmapData19 value = new GlyphBitmapData19 {
dataLen = reader.ReadUInt32()
};
value.data = reader.ReadBytes((int)value.dataLen);
return(value);
}
public static GlyphBitmapData18 Read(BinaryReaderFont reader)
{
GlyphBitmapData18 value = new GlyphBitmapData18 {
glyphMetrics = BigGlyphMetrics.Read(reader),
dataLen = reader.ReadUInt32()
};
value.data = reader.ReadBytes((int)value.dataLen);
return(value);
}
public static GlyphBitmapData6 Read(BinaryReaderFont reader, int byteSize)
{
GlyphBitmapData6 value = new GlyphBitmapData6 {
bigMetrics = BigGlyphMetrics.Read(reader)
};
byteSize -= BigGlyphMetrics.ByteSize;
value.imageData = reader.ReadBytes(byteSize);
return(value);
}
public static GlyphBitmapData2 Read(BinaryReaderFont reader, int byteSize)
{
GlyphBitmapData2 value = new GlyphBitmapData2 {
smallMetrics = SmallGlyphMetrics.Read(reader)
};
byteSize -= SmallGlyphMetrics.ByteSize;
value.imageData = reader.ReadBytes(byteSize);
return(value);
}
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 byte[] ReadData()
{
if (File.Exists(filePath) == false)
{
return(null);
}
using (Stream stream = File.OpenRead(filePath))
using (BinaryReaderFont reader = new BinaryReaderFont(stream)) {
reader.Position = position;
return(reader.ReadBytes(length));
}
}
public static new CmapSubtable8 Read(BinaryReaderFont reader)
{
CmapSubtable8 value = new CmapSubtable8 {
format = reader.ReadUInt16(),
reserved = reader.ReadUInt16(),
length = reader.ReadUInt32(),
language = reader.ReadUInt32(),
is32 = reader.ReadBytes(8192),
numGroups = reader.ReadUInt32()
};
value.groups = SequentialMapGroup.ReadArray(reader, value.numGroups);
return(value);
}
protected void ReadGlobalSubr(BinaryReaderFont reader)
{
CFFIndex index = CFFIndex.Read(reader);
int[] offset = index.ReadAllOffsets(reader);
//Console.WriteLine("global subr index: {0}", index);
globalSubr = new byte[index.count][];
int length = offset.Length - 1;
for (int i = 0; i < length; i++)
{
int byteSize = offset[i + 1] - offset[i];
globalSubr[i] = reader.ReadBytes(byteSize);
}
charString.globalSubr = globalSubr;
}
public static MetaTable Read(BinaryReaderFont reader)
{
long position = reader.Position;
MetaTable value = new MetaTable {
version = reader.ReadUInt32(),
flags = reader.ReadUInt32(),
dataOffset = reader.ReadUInt32(),
dataMapsCount = reader.ReadUInt32(),
};
value.dataMaps = DataMap.ReadArray(reader, value.dataMapsCount);
for (int i = 0; i < value.dataMapsCount; i++)
{
DataMap dataMap = value.dataMaps[i];
reader.Position = position + dataMap.dataOffset;
dataMap.data = reader.ReadBytes((int)dataMap.dataLength);
}
return(value);
}
public static new SimpleGlyph Read(BinaryReaderFont reader, Glyph glyph)
{
SimpleGlyph value = new SimpleGlyph {
endPtsOfContours = reader.ReadUInt16Array(glyph.numberOfContours),
instructionLength = reader.ReadUInt16()
};
if (value.instructionLength > 0)
{
value.instructions = reader.ReadBytes(value.instructionLength);
}
int length = value.endPtsOfContours.Length;
int count = value.endPtsOfContours[length - 1] + 1;
value.ReadFlags(reader, count);
value.ReadXCoordinates(reader, count);
value.ReadYCoordinates(reader, count);
//Console.WriteLine("Glyph count: " + count);
//Console.WriteLine("Glyph count2: " + value.flags.Length);
return(value);
}
public GraphicsPath GetGlyph(int glyphId, bool hasWidth)
{
if (glyphId < 0)
{
return(null);
}
if (File.Exists(filePath) == false)
{
return(null);
}
byte[] cs = null;
using (Stream stream = File.OpenRead(filePath))
using (BinaryReaderFont reader = new BinaryReaderFont(stream)) {
reader.Position = position + topDict.CharStrings;
CFFIndex index = CFFIndex.Read(reader);
//Console.WriteLine("CharStrings index: {0}", index);
long offsetStart = reader.Position;
int offset0 = 0;
int offset1 = 0;
index.ReadOffset(reader, glyphId, out offset0, out offset1);
int byteSize = offset1 - offset0;
if (byteSize <= 0)
{
return(null);
}
//Console.WriteLine("offset0: {0}, {1}", offset0, offset1);
//Console.WriteLine("lastItem: {0}", offsetStart);
offsetStart += (index.count + 1) * index.offSize;
//Console.WriteLine("lastItem: {0}", offsetStart);
reader.Position = offsetStart + offset0 - 1;
cs = reader.ReadBytes(byteSize);
}
if (cs == null)
{
return(null);
}
//Console.WriteLine("Docode: {0}", CFFCharString.Decode(charString));
return(charString.CreateGlyph(cs, hasWidth));
}