package image import ( "fmt" "image/color" "testing" ) func TestAlpha(t *testing.T) { fmt.Println(color.RGBA{R: 0x33, G: 0x33, B: 0x66, A: 0xff}) fmt.Println(Alpha("#e456499c")) fmt.Println(color.RGBA{R: 0x00, G: 0x00, B: 0x00, A: 0x00}) fmt.Println(Alpha("#00000000")) fmt.Println(color.RGBA{R: 0xff, G: 0xff, B: 0xff, A: 0xff}) fmt.Println(Alpha("#ffffffff")) }