// TODO: read code page from "MstnFontConfig.xml": FontConfig/Fonts/ShxFontInfo/Name|CodePage
internal override ShxGlyphCommandData Load(ByteReader reader)
{
var commandData = new ShxGlyphCommandData();
var twoByteRangePrefixes = new HashSet <Tuple <byte, byte> >();
reader.TryReadUInt16LittleEndian(out var estimatedItemCount);
reader.TryReadUInt16LittleEndian(out var characterCount);
reader.TryReadUInt16LittleEndian(out var rangeCount);
for (int i = 0; i < rangeCount; i++)
{
reader.TryReadUInt16LittleEndian(out var rangeStart);
reader.TryReadUInt16LittleEndian(out var rangeEnd);
twoByteRangePrefixes.Add(Tuple.Create((byte)rangeStart, (byte)rangeEnd));
var rangeStartHex = rangeStart.ToString("X");
var rangeEndHex = rangeEnd.ToString("X");
}
for (int i = 0; i < characterCount; i++)
{
if (reader.TryReadUInt16LittleEndian(out var characterCode) &&
reader.TryReadUInt16LittleEndian(out var characterByteCount) &&
reader.TryReadUInt32LittleEndian(out var characterOffset))
{
if (characterCode == 0 &&
characterByteCount == 0 &&
characterOffset == 0)
{
// occasional null entries
continue;
}
var characterReader = reader.FromOffset((int)characterOffset);
var startPos = characterReader.Offset;
var expectedEnd = startPos + characterByteCount;
if (characterCode == 0)
{
TryReadFontData(characterReader, characterByteCount);
}
else
{
var glyphName = characterReader.ReadNullTerminatedString();
var glyphCommands = ShxGlyph.ParseCommands(characterReader, FontEncoding, isBigFont: true);
commandData.AddGlyphCommands(characterCode, glyphName, glyphCommands);
}
var remainingBytes = expectedEnd - characterReader.Offset;
Debug.Assert(remainingBytes == 0);
}
}
return(commandData);
}
internal override ShxGlyphCommandData Load(ByteReader reader)
{
var commandData = new ShxGlyphCommandData();
if (reader.TryReadUInt16LittleEndian(out var characterCount))
{
for (int i = 0; i < characterCount; i++)
{
if (reader.TryReadUInt16LittleEndian(out var characterCode) &&
reader.TryReadUInt16LittleEndian(out var characterByteCount))
{
var startPos = reader.Offset;
var expectedEnd = startPos + characterByteCount;
if (characterCode == 0)
{
TryReadFontData(reader);
}
else
{
var character = (char)characterCode;
var glyphName = reader.ReadNullTerminatedString();
if (string.IsNullOrEmpty(glyphName))
{
glyphName = character.ToString();
}
var glyphCommands = ShxGlyph.ParseCommands(reader, FontEncoding, isBigFont: false);
commandData.AddGlyphCommands(characterCode, glyphName, glyphCommands);
}
var remainingBytes = Math.Max(0, expectedEnd - reader.Offset);
Debug.Assert(remainingBytes == 0);
}
}
}
return(commandData);
}
private void AddGlyph(ushort code, ShxGlyph glyph) => _glyphs.Add(code, glyph);
public ShxGlyph CreateGlyph(string name)
{
var glyph = new ShxGlyph(name, Paths, Width, Height);
return(glyph);
}