public void Add(byte[] ttf, float pixel_height, IEnumerable <FontBakerCharacterRange> ranges)
{
fixed(StbTrueType.stbtt_pack_context *pcPtr = &pc)
{
fixed(byte *ttfPtr = ttf)
{
foreach (var range in ranges)
{
if (range.Start > range.End)
{
continue;
}
var cd = new StbTrueType.stbtt_packedchar[range.End - range.Start + 1];
fixed(StbTrueType.stbtt_packedchar *chardataPtr = cd)
{
StbTrueType.stbtt_PackFontRange(pcPtr, ttfPtr, 0, pixel_height, range.Start,
range.End - range.Start + 1, chardataPtr);
}
for (var i = 0; i < cd.Length; ++i)
{
result[(char)(i + range.Start)] = cd[i];
}
}
}
}
}
public Dictionary <char, StbTrueType.stbtt_packedchar> End()
{
fixed(StbTrueType.stbtt_pack_context *pcPtr = &pc)
{
StbTrueType.stbtt_PackEnd(pcPtr);
}
return(result);
}
public void Begin(byte[] pixels, int pw, int ph)
{
if (_beginCalled)
{
throw new Exception("Call End() before calling Begin again");
}
_beginCalled = true;
result.Clear();
_handle = GCHandle.Alloc(pixels, GCHandleType.Pinned);
fixed(StbTrueType.stbtt_pack_context *pcPtr = &pc)
{
StbTrueType.stbtt_PackBegin(pcPtr, (byte *)_handle.AddrOfPinnedObject().ToPointer(), pw, ph, pw, 1, null);
}
}
