// GifEncode encodes the Image as GIF using giflib
// rather than ImageMagick or GraphicksMagick. While this
// will result in a lower quality GIF, encoding is 9-10x
// faster and produces files ~20% smaller.
func (im *Image) GifEncode() ([]byte, error) {
var size C.int
var single C.int
if im.parent != nil {
single = 1
}
res := C.gif_encode(unsafe.Pointer(im.image), single, &size)
if res != nil {
p := unsafe.Pointer(res)
b := C.GoBytes(p, size)
C.free(p)
return b, nil
}
return nil, errCouldNotEncodeGif
}
// GifEncode encodes the Image as GIF using giflib
// rather than ImageMagick or GraphicksMagick. While this
// will result in a lower quality GIF, encoding is 9-10x
// faster and produces files ~20% smaller.
func (im *Image) GifEncode() ([]byte, error) {
if !im.coalesced {
coalesced, err := im.Coalesce()
if err != nil {
return nil, err
}
coalesced.parent = im.parent
defer coalesced.Dispose()
im = coalesced
}
var size C.int
var single C.int
if im.parent != nil {
single = 1
}
res := C.gif_encode(unsafe.Pointer(im.image), single, &size)
if res != nil {
p := unsafe.Pointer(res)
b := C.GoBytes(p, size)
C.free(p)
return b, nil
}
return nil, errCouldNotEncodeGif
}