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TurboJpegDecoder_test.go
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TurboJpegDecoder_test.go
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package turbojpeg
import (
"fmt"
"image"
"image/jpeg"
"os"
"testing"
)
func decode(raw []byte, decoder *Decoder, w, h int, exi *image.RGBA) error {
decoder.UpdateScaleResolution(w, h)
err := decoder.DecodeIntoRgba(raw, exi)
if err != nil {
return err
}
return nil
}
func decode_and_create(t *testing.T, decoder *Decoder, w, h int, exi *image.RGBA) {
demofile, err := os.ReadFile("test.jpeg")
if err != nil {
t.Fatalf("Error reading demo file: %s", err.Error())
}
err = decode(demofile, decoder, w, h, exi)
if err != nil {
t.Fatalf("on decompressing: %s", err.Error())
}
file, err := os.Create(fmt.Sprintf("out/result%d_%d.jpg", w, h))
if err != nil {
fmt.Println("Error creating file:", err)
return
}
defer file.Close()
if err := jpeg.Encode(file, exi, nil); err != nil {
fmt.Println("Error encoding JPEG:", err)
return
}
}
func TestDecoder(t *testing.T) {
decoder, err := NewDecoder()
if err != nil {
t.Fatalf("Error initializing decoder: %s", err.Error())
return
}
exi := image.RGBA{}
decode_and_create(t, decoder, 100, 100, &exi)
// decode_and_create(t, decoder, 300, 300, &exi)
// decode_and_create(t, decoder, 500, 500, &exi)
decoder.Free()
}