new simple downscaling ideas

cmd/scale/griddownscale.go

@@ -0,0 +1,24 @@
+package main
+
+import (
+	"flag"
+	"image"
+
+	"git.nkpl.cc/twocookedfaggots/imageutils/downscale"
+	"git.nkpl.cc/twocookedfaggots/imageutils/util"
+)
+
+var x = flag.Int("x", 256, "dx value of new bounds")
+var y = flag.Int("y", 256, "dy value of new bounds")
+
+func main() {
+	flag.Parse()
+	if err := util.ProcessStdio(func(img image.Image) image.Image {
+		return downscale.GridDownscale{
+			Image: img,
+			Rectangle: image.Rect(0,0,x,y),
+		}
+	}); err != nil {
+		panic(err)
+	}
+}