Exercise: Images

exc_images_tour_go.go

package main

import (
	"code.google.com/p/go-tour/pic"
	"image"
	"image/color"
	
)

type Image struct{}

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

func(im Image) Bounds() image.Rectangle {
	return image.Rect(0,0,200,100)
}
        
func(im Image) At(x, y int) color.Color{
	return color.Gray{ uint8(x*x+y) }
}

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