示例#1
0
func toPaletted(o *ora.ORA, name string, palette color.Palette) (*image.Paletted, error) {
	var p *image.Paletted
	if l := o.Layer(name); l != nil {
		p = image.NewPaletted(o.Bounds(), palette)
		i, err := l.Image()
		if err != nil {
			return nil, err
		}
		draw.Draw(p, image.Rect(0, 0, p.Bounds().Max.X, p.Bounds().Max.Y), i, image.Point{}, draw.Src)
	}
	return p, nil
}
示例#2
0
func toGray(o *ora.ORA, name string) (*image.Gray, error) {
	var p *image.Gray
	if l := o.Layer(name); l != nil {
		p = image.NewGray(o.Bounds())
		i, err := l.Image()
		if err != nil {
			return nil, err
		}
		draw.Draw(p, image.Rect(0, 0, p.Bounds().Max.X, p.Bounds().Max.Y), i, image.Point{}, draw.Src)
	}
	return p, nil
}