public static StbTrueTypeSharpFontSource FromMemory(byte[] data)
{
var font = new StbTrueTypeSharpFontSource(data);
byte *dataPtr = (byte *)font.dataPtr.Value.AddrOfPinnedObject();
if (stbtt_InitFont(font._font, dataPtr, 0) == 0)
{
throw new Exception("stbtt_InitFont failed");
}
int ascent, descent, lineGap;
stbtt_GetFontVMetrics(font._font, &ascent, &descent, &lineGap);
var fh = ascent - descent;
font.AscentBase = ascent / (float)fh;
font.DescentBase = descent / (float)fh;
font.LineHeightBase = (fh + lineGap) / (float)fh;
return(font);
}
public IFontSource Load(byte[] data)
{
return(StbTrueTypeSharpFontSource.FromMemory(data));
}