package sdlui import ( "image" "image/draw" ) func NRGBAImage(m image.Image) *image.NRGBA { nrgba, ok := m.(*image.NRGBA) if ok { return nrgba } nrgba = image.NewNRGBA(m.Bounds()) draw.Draw(nrgba, nrgba.Bounds(), m, image.ZP, draw.Over) return nrgba } func RGBAImage(m image.Image) *image.RGBA { rgba, ok := m.(*image.RGBA) if ok { return rgba } rgba = image.NewRGBA(m.Bounds()) draw.Draw(rgba, rgba.Bounds(), m, image.ZP, draw.Over) return rgba }