func analyzeFile(filename string, resize bool) (*Cover, error) {
file, err := os.Open(filename)
if err != nil {
return nil, err
}
defer file.Close()
img, _, err := image.Decode(file)
if err != nil {
return nil, err
}
if resize {
start := time.Now()
g := gift.New(gift.Resize(500, 0, gift.LanczosResampling))
dst := image.NewRGBA(g.Bounds(img.Bounds()))
g.Draw(dst, img)
img = dst
fmt.Printf("- RESIZE %s took %s\n", path.Base(filename), time.Since(start))
}
start := time.Now()
bg, c1, c2, c3 := colorart.Analyze(img)
fmt.Printf("- ANALYZE %s took %s\n", path.Base(filename), time.Since(start))
return &Cover{filename, bg.String(), c1.String(), c2.String(), c3.String()}, nil
}
func analyzeFile(filename string) (bg, c1, c2, c3 colorart.Color) {
file, err := os.Open(filename)
defer file.Close()
if err != nil {
log.Fatal(err)
}
img, _, err := image.Decode(file)
if err != nil {
log.Fatal(err)
}
b := img.Bounds()
if b.Max.X-b.Min.X > resizeThreshold || b.Max.Y-b.Min.Y > resizeThreshold {
g := gift.New(gift.Resize(resizeSize, 0, gift.LanczosResampling))
dst := image.NewRGBA(image.Rect(0, 0, resizeSize, resizeSize))
g.Draw(dst, img)
img = dst
}
return colorart.Analyze(img)
}