tools/util/image/color_test.go

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"))
}