// Process implements Processor.
// It doesn't return error.
func (prc *Processor) Process(nim image.Image, params imageserver.Params) (image.Image, error) {
out := prc.newDrawable(nim)
bd := nim.Bounds().Intersect(out.Bounds())
at := imageserver_image_internal.NewAtFunc(nim)
set := imageserver_image_internal.NewSetFunc(out)
imageserver_image_internal.Parallel(bd, func(bd image.Rectangle) {
for y := bd.Min.Y; y < bd.Max.Y; y++ {
for x := bd.Min.X; x < bd.Max.X; x++ {
r, g, b, a := at(x, y)
r, g, b, a = imageserver_image_internal.RGBAToNRGBA(r, g, b, a)
r = uint32(prc.vals[uint16(r)])
g = uint32(prc.vals[uint16(g)])
b = uint32(prc.vals[uint16(b)])
r, g, b, a = imageserver_image_internal.NRGBAToRGBA(r, g, b, a)
set(x, y, r, g, b, a)
}
}
})
return out, nil
}
// Process implements Processor.
// It doesn't return error.
func (prc *Processor) Process(nim image.Image, params imageserver.Params) (image.Image, error) {
width := nim.Bounds().Dx()
height := nim.Bounds().Dy()
dst := prc.newDrawable(nim)
at := imageserver_image_internal.NewAtFunc(nim)
set := imageserver_image_internal.NewSetFunc(dst)
imageserver_image_internal.Parallel(height, func(yStart, yEnd int) {
for y := yStart; y < yEnd; y++ {
for x := 0; x < width; x++ {
r, g, b, a := at(x, y)
r, g, b, a = imageserver_image_internal.RGBAToNRGBA(r, g, b, a)
r = uint32(prc.vals[uint16(r)])
g = uint32(prc.vals[uint16(g)])
b = uint32(prc.vals[uint16(b)])
r, g, b, a = imageserver_image_internal.NRGBAToRGBA(r, g, b, a)
set(x, y, r, g, b, a)
}
}
})
return dst, nil
}
