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78 lines
1.7 KiB
78 lines
1.7 KiB
package webp_test
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import (
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"fmt"
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"testing"
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"github.com/harukasan/go-libwebp/test/util"
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"github.com/harukasan/go-libwebp/webp"
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)
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func TestDecodeAnimationInfo(t *testing.T) {
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data := util.ReadFile("weather-anim.webp")
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dec, err := webp.NewAnimationDecoder(data)
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if err != nil {
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t.Fatalf("initializing decoder: %v", err)
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}
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defer dec.Close()
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info, err := dec.GetInfo()
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if err != nil {
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t.Fatalf("getting animatiion info: %v", err)
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}
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if got := info.CanvasWidth; got != 64 {
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t.Errorf("Expected CanvasWidth: %v, but got %v", 64, got)
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}
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if got := info.CanvasHeight; got != 32 {
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t.Errorf("Expected CanvasHeight: %v, but got %v", 32, got)
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}
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if got := info.LoopCount; got != 0 {
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t.Errorf("Expected LoopCount: %v, but got %v", 0, got)
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}
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if got := info.FrameCount; got != 18 {
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t.Errorf("Expected FrameCount: %v, but got %v", 18, got)
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}
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}
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func TestDecodeAnimation(t *testing.T) {
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data := util.ReadFile("weather-anim.webp")
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dec, err := webp.NewAnimationDecoder(data)
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if err != nil {
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t.Fatalf("initializing decoder: %v", err)
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}
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defer dec.Close()
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anim, err := dec.Decode()
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if err != nil {
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t.Fatalf("error decoding: %v", err)
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}
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if got := len(anim.Image); got != 18 {
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t.Errorf("Expected len(Image): %v, but got %v", 18, got)
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}
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if got := len(anim.Timestamp); got != 18 {
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t.Errorf("Expected len(Timestamp): %v, but got %v", 18, got)
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}
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for i := 0; i < 18; i++ {
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frame := util.ReadPNG(fmt.Sprintf("weather-anim-frames/%02d.png", i))
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got := anim.Image[i]
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for y := 0; y < got.Bounds().Dy(); y++ {
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for x := 0; x < got.Bounds().Dx(); x++ {
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if got.At(x, y) != frame.At(x, y) {
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t.Fatalf(
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"Expected frame %d (%d,%d): %v, but got %v",
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i, x, y,
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frame.At(x, y),
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got.At(x, y),
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)
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}
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}
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}
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}
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}
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