//go:build OMIT // Copyright 2012 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package main import ( "image" "image/color" "golang.org/x/tour/pic" ) type Image struct { Height, Width int } func (m Image) ColorModel() color.Model { return color.RGBAModel } func (m Image) Bounds() image.Rectangle { return image.Rect(0, 0, m.Height, m.Width) } func (m Image) At(x, y int) color.Color { c := uint8(x ^ y) return color.RGBA{c, c, 255, 255} } func main() { m := Image{256, 256} pic.ShowImage(m) }