public GlyphPosition[] GlyphPositions()
{
int length;
IntPtr glyphPositionPtr = HB.hb_buffer_get_glyph_positions(reference, out length);
var glyphPositions = new GlyphPosition[length];
for (int i = 0; i < length; ++i)
{
#if FIX
// Portable class library Profile 111 does not support
// the generic version of Marshal.PtrToStructure
glyphPositions[i] = Marshal.PtrToStructure <GlyphPosition>(
glyphPositionPtr + 20 * i);
#else
// This version causes boxing.
glyphPositions[i] = (GlyphPosition)Marshal.PtrToStructure(
glyphPositionPtr + 20 * i, typeof(GlyphPosition));
#endif
}
return(glyphPositions);
}
public int GetHorizontalKerning(uint leftGlyph, uint rightGlyph)
{
return(HB.hb_font_get_glyph_h_kerning(reference, leftGlyph, rightGlyph));
}
public static Font FromFTFace(Face face)
{
return(new Font {
reference = HB.hb_ft_font_create(face.Reference, IntPtr.Zero)
});
}
public static void Shape(this Font font, Buffer buffer)
{
HB.hb_shape(font.Reference, buffer.Reference, IntPtr.Zero, 0);
}
public void AddText(string str)
{
byte[] text = System.Text.Encoding.UTF8.GetBytes(str);
HB.hb_buffer_add_utf8(reference, text, text.Length, 0, text.Length);
}
public Buffer()
{
reference = HB.hb_buffer_create();
}