refactor

cmd/scale/main.go

@@ -0,0 +1,20 @@
+package main
+
+import (
+	"flag"
+	"image"
+
+	"git.nkpl.cc/twocookedfaggots/imageutils"
+	"git.nkpl.cc/twocookedfaggots/imageutils/util"
+)
+
+var scale = flag.Int("n", 2, "rescale by factor")
+
+func main() {
+	flag.Parse()
+	if err := util.ProcessStdio(func(img image.Image) image.Image {
+		return imageutils.Scale(img, *scale)
+	}); err != nil {
+		panic(err)
+	}
+}