// license that can be found in the LICENSE file.

package draw_test

import (
	"fmt"
	"image"
	"image/color"
	"image/draw"
	"math"
)

func ExampleDrawer_floydSteinberg() {
	const width = 130
	const height = 50

	im := image.NewGray(image.Rectangle{Max: image.Point{X: width, Y: height}})
	for x := 0; x < width; x++ {
		for y := 0; y < height; y++ {