A Tour of Go Exercise: Images

exercise-images.go

package main

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

type Image struct{
	width int
	height int
}

func (i Image) Bounds() image.Rectangle {
	return image.Rect(0, 0, i.width, i.height)
}

func (i Image) ColorModel() color.Model {
	return color.RGBAModel
}

func (i Image) At(x, y int) color.Color {
	 return color.RGBA{uint8(x % 256), uint8(y % 256), 255, 255}
}

func main() {
	m := Image{200, 200}
	pic.ShowImage(m)
}