Esempio n. 1
0
func RandomImageSize(size int, data []byte) (image.Image, error) {
	randExtent := len(palette.WebSafe) - 32
	rand.Seed(time.Now().UnixNano())
	colorIndex := rand.Intn(randExtent)
	backColorIndex := colorIndex - 1
	if backColorIndex < 0 {
		backColorIndex = randExtent - 1
	}

	// Define size, background, and forecolor
	imgMaker, err := identicon.New(size,
		palette.WebSafe[backColorIndex], palette.WebSafe[colorIndex:colorIndex+32]...)
	if err != nil {
		return nil, fmt.Errorf("identicon.New: %v", err)
	}
	return imgMaker.Make(data), nil
}
Esempio n. 2
0
// RandomImage generates and returns a random avatar image.
func RandomImage(data []byte) (image.Image, error) {
	randExtent := len(palette.WebSafe) - 32
	rand.Seed(time.Now().UnixNano())
	colorIndex := rand.Intn(randExtent)
	backColorIndex := colorIndex - 1
	if backColorIndex < 0 {
		backColorIndex = randExtent - 1
	}

	// Size, background, forecolor
	imgMaker, err := identicon.New(_RANDOM_AVATAR_SIZE,
		palette.WebSafe[backColorIndex], palette.WebSafe[colorIndex:colorIndex+32]...)
	if err != nil {
		return nil, err
	}
	return imgMaker.Make(data), nil
}