creating_images_in_go_3.go

func generateImage(w, h int, pixelColor color.RGBA) *image.RGBA {
	img := image.NewRGBA(image.Rect(0, 0, 4, 4))
	for x := 0; x < 4; x++ {
		for y := 0; y < 4; y++ {
			img.Set(x, y, pixelColor)
		}
	}
	return img
}

func randomColor() color.RGBA {
	rand := rand.New(rand.NewSource(time.Now().Unix()))
	return color.RGBA{uint8(rand.Intn(255)), uint8(rand.Intn(255)), uint8(rand.Intn(255)), 255}
}