Exercise: Images https://tour.golang.org/methods/25

exercise-images.go

package main

import (
	"golang.org/x/tour/pic"
	"image"
	"image/color"
)

type Image struct{}
func (i Image)Bounds() image.Rectangle{
	return image.Rect(0,0,256,256)
}
func (i Image)ColorModel() color.Model{
	return color.RGBAModel
}
func (i Image)At(x,y int) color.Color{
    sum:=uint8(x^y)
	return color.RGBA{sum,sum,255,255}
}


func main() {
	m := Image{}
	pic.ShowImage(m)
}