Ejemplo n.º 1
0
func main() {
	var err error

	// Read binary data
	data := util.ReadFile("cosmos.webp")

	// Decode
	options := &webp.DecoderOptions{}
	img, err := webp.DecodeRGBA(data, options)
	if err != nil {
		panic(err)
	}

	util.WritePNG(img, "encoded_cosmos.png")
}
Ejemplo n.º 2
0
func TestDecodeRGBAWithScaling(t *testing.T) {
	data := util.ReadFile("cosmos.webp")
	scale := image.Rect(0, 0, 640, 480)

	options := &webp.DecoderOptions{
		Scale: scale,
	}

	img, err := webp.DecodeRGBA(data, options)
	if err != nil {
		t.Errorf("Got Error: %v", err)
		return
	}
	if img.Rect.Dx() != scale.Dx() || img.Rect.Dy() != scale.Dy() {
		t.Errorf("Decoded image should scaled to %v, but got %v", scale, img.Rect)
	}
}
Ejemplo n.º 3
0
func TestDecodeRGBAWithCropping(t *testing.T) {
	data := util.ReadFile("cosmos.webp")
	crop := image.Rect(100, 100, 300, 200)

	options := &webp.DecoderOptions{
		Crop: crop,
	}

	img, err := webp.DecodeRGBA(data, options)
	if err != nil {
		t.Errorf("Got Error: %v", err)
		return
	}
	if img.Rect.Dx() != crop.Dx() || img.Rect.Dy() != crop.Dy() {
		t.Errorf("Decoded image should cropped to %v, but got %v", crop, img.Rect)
	}
}
Ejemplo n.º 4
0
func TestDecodeRGBA(t *testing.T) {
	files := []string{
		"cosmos.webp",
		"butterfly.webp",
		"kinkaku.webp",
		"yellow-rose-3.webp",
	}

	for _, file := range files {
		data := util.ReadFile(file)
		options := &webp.DecoderOptions{}

		_, err := webp.DecodeRGBA(data, options)
		if err != nil {
			t.Errorf("Got Error: %v", err)
			return
		}
	}
}