cleaning up, early http server draft

cmd/negate/minus19blue.go

@@ -1,39 +0,0 @@
-//go:build ignore
-
-package main
-
-import (
-	"image"
-	"image/color"
-	"image/png"
-	"os"
-)
-
-type Reshade struct{ image.Image }
-
-func (rs Reshade) ColorModel() color.Model { return rs.Image.ColorModel() }
-func (rs Reshade) Bounds() image.Rectangle { return rs.Image.Bounds() }
-func (rs Reshade) At(x, y int) color.Color {
-	c := rs.Image.At(x, y)
-	r, g, b, a := c.RGBA()
-	// minus 19 blue
-	return color.RGBA{
-		uint8(r >> 8),
-		uint8(g >> 8),
-		uint8(b>>8) - 8*8,
-		uint8(a >> 8),
-	}
-}
-
-func check(err error) {
-	if err != nil {
-		panic(err)
-	}
-}
-
-func main() {
-	img, err := png.Decode(os.Stdin)
-	check(err)
-	err = png.Encode(os.Stdout, Reshade{img})
-	check(err)
-}

cmd/negate/mixed.go

@@ -1,70 +0,0 @@
-package main
-
-import (
-	"image"
-	"image/color"
-	"image/png"
-	"math/rand"
-	"os"
-)
-
-type MixedNegation struct {
-	src     image.Image
-	counter int
-}
-
-func toRGBA(c color.Color) color.RGBA {
-	r, g, b, a := c.RGBA()
-	return color.RGBA{
-		R: uint8(r >> 8),
-		G: uint8(g >> 8),
-		B: uint8(b >> 8),
-		A: uint8(a >> 8),
-	}
-}
-
-func negateRGBA(c color.RGBA) color.RGBA {
-	c.R = 255 - c.R
-	c.G = 255 - c.G
-	c.B = 255 - c.B
-	return c
-}
-
-func Negate(c color.Color) color.Color {
-	return negateRGBA(toRGBA(c))
-}
-
-func randomBool() bool {
-	return rand.Intn(3) == 0
-}
-
-func (mn MixedNegation) ColorModel() color.Model { return mn.src.ColorModel() }
-func (mn MixedNegation) Bounds() image.Rectangle { return mn.src.Bounds() }
-func (mn *MixedNegation) At(x, y int) color.Color {
-	if (x%1 != 0) && (y%8 != 0) {
-		if randomBool() {
-			return Negate(mn.src.At(x, y))
-		}
-
-	}
-	return mn.src.At(x, y)
-}
-
-func pixelCount(img image.Image) int {
-	return img.Bounds().Dx() * img.Bounds().Dy()
-}
-
-func main() {
-	img, err := png.Decode(os.Stdin)
-	if err != nil {
-		panic(err)
-	}
-
-	n := pixelCount(img)
-	println(n)
-
-	err = png.Encode(os.Stdout, &MixedNegation{src: img, counter: n})
-	if err != nil {
-		panic(err)
-	}
-}

cmd/negate/negate.go

@@ -1,44 +0,0 @@
-package main
-
-import (
-	"image"
-	"image/color"
-	"image/png"
-	"os"
-)
-
-func NegateRGBA(c color.RGBA) color.RGBA {
-	c.R = 255 - c.R
-	c.G = 255 - c.G
-	c.B = 255 - c.B
-	return c
-}
-
-type Negate struct{ image.Image }
-
-func (n Negate) ColorModel() color.Model { return n.Image.ColorModel() }
-func (n Negate) Bounds() image.Rectangle { return n.Image.Bounds() }
-func (n Negate) At(x, y int) color.Color {
-	c := n.Image.At(x, y)
-	r, g, b, a := c.RGBA()
-	RGBAColor := color.RGBA{
-		R: uint8(r >> 8),
-		G: uint8(g >> 8),
-		B: uint8(b >> 8),
-		A: uint8(a >> 8),
-	}
-	return NegateRGBA(RGBAColor)
-}
-
-func check(err error) {
-	if err != nil {
-		panic(err)
-	}
-}
-
-func main() {
-	img, err := png.Decode(os.Stdin)
-	check(err)
-	err = png.Encode(os.Stdout, Negate{img})
-	check(err)
-}