func main() {
if len(os.Args) != 2 {
fmt.Println("Usage:\tgoimger <file>")
os.Exit(1)
}
srcFileName := os.Args[1]
srcFile, _ := os.Open(srcFileName)
src, _, _ := image.Decode(srcFile)
// let's make a new gift
g := gift.New(
gift.Grayscale(),
gift.UnsharpMask(1.0, 0.5, 0.0),
)
// dest - output image
dest := image.NewRGBA(g.Bounds(src.Bounds()))
// draw result
g.Draw(dest, src)
outFileName := srcFileName + "_goimger.jpg"
toimg, _ := os.Create(outFileName)
defer toimg.Close()
jpeg.Encode(toimg, dest, &jpeg.Options{jpeg.DefaultQuality})
}
func main() {
if len(os.Args) != 2 {
fmt.Println("Usage:\tspiffy <file>")
os.Exit(1)
}
srcFileName := os.Args[1]
srcFile, _ := os.Open(srcFileName)
src, _, _ := image.Decode(srcFile)
// 1. Create a new GIFT and add some filters:
g := gift.New(
gift.Grayscale(),
gift.UnsharpMask(1.0, 1.0, 0.0),
)
// 2. Create a new image of the corresponding size.
// dst is a new target image, src is the original image
dst := image.NewRGBA(g.Bounds(src.Bounds()))
// 3. Use Draw func to apply the filters to src and store the result in dst:
g.Draw(dst, src)
outFileName := srcFileName + ".spiffy.jpg"
toimg, _ := os.Create(outFileName)
defer toimg.Close()
jpeg.Encode(toimg, dst, &jpeg.Options{jpeg.DefaultQuality})
}