merging all related stuff here

http/test.go

@@ -0,0 +1,33 @@
+//go:build ignore	
+package main
+
+import "git.nkpl.cc/twocookedfaggots/imageutils/http/blank"
+
+func BlankFillWhiteUp(img image.Image) image.Image {
+	for i := 0; i < img.Bounds().Dx(); i++ {
+		img = blank.Blank(img, color.White, Up)
+	}
+	return img
+}
+
+func ProcessImageStdio(f func(image.Image) image.Image) error {
+	img, err := png.Decode(os.Stdin)
+	if err != nil {
+		return err
+	}
+	img = f(img)	
+	err := img.Encode(os.Stdout, img)
+	if err != nil {
+		return err
+	}
+	return nil	
+}
+
+func main() {
+	err := ProcessImageStdio(
+		BlankFillWhiteUp,
+	)
+	if err != nil {
+		panic(err)
+	}
+}