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Add RGB encoder

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This commit is contained in:
Isamu Mogi 2016-05-12 10:52:30 +09:00
parent 10d006dab5
commit 4ba34829e7
3 changed files with 162 additions and 0 deletions
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80
webp/webp_test.go
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@ -9,6 +9,7 @@ import (
"github.com/harukasan/go-libwebp/test/util"
"github.com/harukasan/go-libwebp/webp"
"image/color"
)
func TestMain(m *testing.M) {
@ -170,6 +171,28 @@ func TestEncodeRGBA(t *testing.T) {
}
}
func TestEncodeRGB(t *testing.T) {
img := util.ReadPNG("yellow-rose-3.png")
config := webp.Config{
Preset: webp.PresetDefault,
Quality: 100,
Method: 6,
}
f := util.CreateFile("TestEncodeRGB.webp")
w := bufio.NewWriter(f)
defer func() {
w.Flush()
f.Close()
}()
if err := webp.EncodeRGBA(w, img, config); err != nil {
t.Errorf("Got Error: %v", err)
return
}
}
func TestEncodeYUVA(t *testing.T) {
data := util.ReadFile("cosmos.webp")
options := &webp.DecoderOptions{}
@ -198,3 +221,60 @@ func TestEncodeYUVA(t *testing.T) {
return
}
}
func TestImageInterface(t *testing.T) {
rect := image.Rect(0, 0, 100, 100)
img := webp.NewRGBImage(rect)
if got := img.ColorModel(); got != webp.ColorModel {
t.Errorf("ColorModel() should return rgb.ColorModel, got: %v", got)
}
if got := img.Bounds(); got != rect {
t.Errorf("Bounds() should return %v, got: %v", rect, got)
}
black := color.RGBA{0x00, 0x00, 0x00, 0xFF}
if got := img.At(0, 0); got != black {
t.Errorf("At(0, 0) should return %v, got: %v", black, got)
}
blank := color.RGBA{}
if got := img.At(-1, -1); got != blank {
t.Errorf("At(0, 0) should return %v, got: %v", blank, got)
}
}
func TestConvertFromRGBA(t *testing.T) {
rgba := color.RGBA{0x11, 0x22, 0x33, 0xFF}
expect := webp.RGB{0x11, 0x22, 0x33}
if got := webp.ColorModel.Convert(rgba); got != expect {
t.Errorf("got: %v, expect: %v", got, expect)
}
}
func TestConvertFromRGB(t *testing.T) {
c := webp.RGB{0x11, 0x22, 0x33}
if got := webp.ColorModel.Convert(c); got != c {
t.Errorf("got: %v, expect: %v", got, c)
}
}
func TestColorRGBA(t *testing.T) {
c := webp.RGB{0x11, 0x22, 0x33}
r, g, b, a := uint32(0x1111), uint32(0x2222), uint32(0x3333), uint32(0xFFFF)
gotR, gotG, gotB, gotA := c.RGBA()
if gotR != r {
t.Errorf("got R: %v, expect R: %v", gotR, r)
}
if gotG != g {
t.Errorf("got G: %v, expect G: %v", gotG, g)
}
if gotB != b {
t.Errorf("got B: %v, expect B: %v", gotB, b)
}
if gotA != a {
t.Errorf("got A: %v, expect A: %v", gotA, a)
}
}