Draw(dst Image, r image.Rectangle, src image.Image, sp image.Point)
}

// FloydSteinberg is a [Drawer] that is the [Src] [Op] with Floyd-Steinberg error
// diffusion.
var FloydSteinberg Drawer = floydSteinberg{}

type floydSteinberg struct{}

func (floydSteinberg) Draw(dst Image, r image.Rectangle, src image.Image, sp image.Point) {
	clip(dst, &r, src, &sp, nil, nil)
	if r.Empty() {
		return

	// palette.Plan9 is used in place of a nil Quantizer.
	Quantizer draw.Quantizer

	// Drawer is used to convert the source image to the desired palette.
	// draw.FloydSteinberg is used in place of a nil Drawer.
	Drawer draw.Drawer
}

// EncodeAll writes the images in g to w in GIF format with the
// given loop count and delay between frames.
func EncodeAll(w io.Writer, g *GIF) error {

		{"Plan9", Var, 2},
		{"WebSafe", Var, 2},
	},
	"image/draw": {
		{"(Op).Draw", Method, 2},
		{"Draw", Func, 0},
		{"DrawMask", Func, 0},
		{"Drawer", Type, 2},
		{"FloydSteinberg", Var, 2},
		{"Image", Type, 0},
		{"Op", Type, 0},
		{"Over", Const, 0},
		{"Quantizer", Type, 2},
		{"RGBA64Image", Type, 17},
		{"Src", Const, 0},
	},
	"image/gif": {