public double GetKerning(uint UnicodeA, uint UnicodeB)
{
if (Msdfgen.GetKerning(Fnt, UnicodeA, UnicodeB, out double K))
{
return(K);
}
return(0);
}
public FreetypeFont(byte[] FontFile, int Size = 12, int AtlasW = 512, int AtlasH = 512)
{
GlyphTexture = new Dictionary <uint, Glyph>();
Fnt = Msdfgen.LoadFontMemory(FontFile);
FontSize = Size;
TextureAtlas = Texture.Empty(AtlasW, AtlasH);
Packer = new RectanglePacker(AtlasW, AtlasH);
}
public Glyph?GetGlyph(uint Unicode)
{
if (GlyphTexture.ContainsKey(Unicode))
{
return(GlyphTexture[Unicode]);
}
FontCharacter FChar = new FontCharacter();
if (Msdfgen.LoadGlyphNormal(Fnt, Unicode, ref FChar))
{
if (FChar.Width == 0 || FChar.Height == 0)
{
if (!GlyphTexture.ContainsKey(Unicode))
{
GlyphTexture.Add(Unicode, new Glyph(FChar, null));
}
return(GetGlyph(Unicode));
}
Glyph G = new Glyph(FChar, FChar.GetBitmap());
if (!Packer.Pack(G.Bitmap.Width, G.Bitmap.Height, out G.X, out G.Y))
{
throw new NotImplementedException("Cannot pack glyph");
}
G.Bitmap.RotateFlip(RotateFlipType.RotateNoneFlipY);
TextureAtlas.SubRect2D(G.Bitmap, G.X, G.Y);
G.Bitmap.RotateFlip(RotateFlipType.RotateNoneFlipY);
GlyphTexture.Add(Unicode, G);
return(GetGlyph(Unicode));
}
return(null);
}
