speckij
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Hochwasser
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changes??? idk anymore

This commit is contained in:
Norwin Roosen 2020-12-28 00:58:50 +01:00
parent e4acdac3a5
commit 3fc0fbad40
No known key found for this signature in database
GPG Key ID: 24BC059DE24C43A3
5 changed files with 46 additions and 21 deletions
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8
pixelflut/api.go
View File

@ -12,7 +12,7 @@ import (
"github.com/SpeckiJ/Hochwasser/render"
)
var funmode = true
var funmode = false
// Flut asynchronously sends the given image to pixelflut server at `address`
// using `conns` connections. Pixels are sent column wise, unless `shuffle`
@ -22,11 +22,11 @@ func Flut(img *image.NRGBA, position image.Point, shuffle bool, address string,
var cmds commands
if funmode {
// do a RGB split of white
imgmod := render.ImgReplaceColors(img, color.NRGBA{0xff, 0xff, 0xff, 0xff}, color.NRGBA{0xff, 0, 0, 0xff})
imgmod := render.ImgColorFilter(img, color.NRGBA{0xff, 0xff, 0xff, 0xff}, color.NRGBA{0xff, 0, 0, 0xff})
cmds = append(cmds, commandsFromImage(imgmod, image.Pt(position.X-10, position.Y-10))...)
imgmod = render.ImgReplaceColors(img, color.NRGBA{0xff, 0xff, 0xff, 0xff}, color.NRGBA{0, 0xff, 0, 0xff})
imgmod = render.ImgColorFilter(img, color.NRGBA{0xff, 0xff, 0xff, 0xff}, color.NRGBA{0, 0xff, 0, 0xff})
cmds = append(cmds, commandsFromImage(imgmod, image.Pt(position.X+10, position.Y))...)
imgmod = render.ImgReplaceColors(img, color.NRGBA{0xff, 0xff, 0xff, 0xff}, color.NRGBA{0, 0, 0xff, 0xff})
imgmod = render.ImgColorFilter(img, color.NRGBA{0xff, 0xff, 0xff, 0xff}, color.NRGBA{0, 0, 0xff, 0xff})
cmds = append(cmds, commandsFromImage(imgmod, image.Pt(position.X-10, position.Y+10))...)
cmds = append(cmds, commandsFromImage(img, position)...)
} else {

6
render/image.go
View File

@ -46,13 +46,17 @@ func ImgToNRGBA(img image.Image) *image.NRGBA {
return r
}
func ImgReplaceColors(img *image.NRGBA, from, to color.NRGBA) *image.NRGBA {
// ImgColorFilter replaces `from` with `to` in `img`, and sets all other pixels
// to color.Transparent
func ImgColorFilter(img *image.NRGBA, from, to color.NRGBA) *image.NRGBA {
b := img.Bounds()
r := image.NewNRGBA(b)
for x := b.Min.X; x < b.Max.X; x++ {
for y := b.Min.Y; y < b.Max.Y; y++ {
if img.At(x, y) == from {
r.SetNRGBA(x, y, to)
} else {
r.Set(x, y, color.Transparent)
}
}
}

9
render/text.go
View File

@ -2,7 +2,6 @@ package render
import (
"image"
"image/color"
"golang.org/x/image/draw"
"golang.org/x/image/font"
@ -17,7 +16,7 @@ func pt(p fixed.Point26_6) image.Point {
}
}
func RenderText(text string, scale int, col, bgCol color.Color) *image.NRGBA {
func RenderText(text string, scale int, texture, bgTex image.Image) *image.NRGBA {
// @incomplete: draw with texture via Drawer.Src
face := basicfont.Face7x13
stringBounds, _ := font.BoundString(face, text)
@ -26,13 +25,13 @@ func RenderText(text string, scale int, col, bgCol color.Color) *image.NRGBA {
img := image.NewNRGBA(b)
// fill with black bg
if (bgCol != color.NRGBA{}) {
draw.Draw(img, b, image.NewUniform(bgCol), image.Point{}, draw.Src)
if bgTex != nil {
draw.Draw(img, b, bgTex, image.Point{}, draw.Src)
}
d := font.Drawer{
Dst: img,
Src: image.NewUniform(col),
Src: texture,
Face: face,
}
d.DrawString(text)

1
rpc/dottir.go
View File

@ -35,6 +35,7 @@ type FlutTask struct {
Img *image.NRGBA
Offset image.Point
Shuffle bool
// Effects []string // @idea shuffle, rgbsplit, randoffset, ...
}
type FlutAck struct{ Ok bool }

43
rpc/repl.go
View File

@ -27,9 +27,9 @@ const textMode = "TXT"
// RunREPL starts reading os.Stdin for commands to apply to the given Fluter
func RunREPL(f Fluter) {
mode := commandMode
textSize := 4
textCol := color.NRGBA{0xff, 0xff, 0xff, 0xff}
bgCol := color.NRGBA{}
textSize := 10
var textCol image.Image = image.White
var bgCol image.Image = image.Transparent
scanner := bufio.NewScanner(os.Stdin)
for scanner.Scan() {
@ -83,22 +83,25 @@ func RunREPL(f Fluter) {
f.applyTask(t)
case "txt":
fmt.Printf("[rán] text mode, return via %v\n", commandMode)
mode = textMode
if len(args) > 0 {
if size, err := strconv.Atoi(args[0]); err == nil {
textSize = size
}
}
if len(args) > 1 {
if col, err := hex.DecodeString(args[1]); err == nil {
textCol = color.NRGBA{col[0], col[1], col[2], 0xff}
}
textCol = parseColorOrPalette(args[1])
}
if len(args) > 2 {
if col, err := hex.DecodeString(args[2]); err == nil {
bgCol = color.NRGBA{col[0], col[1], col[2], 0xff}
}
bgCol = parseColorOrPalette(args[2])
}
if len(args) < 4 {
fmt.Printf("[rán] text mode, return via %v\n", commandMode)
mode = textMode
} else {
input := strings.Join(args[3:], " ")
t := f.getTask()
t.Img = render.RenderText(input, textSize, textCol, bgCol)
f.applyTask(t)
}
case "img":
@ -120,3 +123,21 @@ func RunREPL(f Fluter) {
}
}
}
// try to parse as hex-encoded RGB color,
// alternatively treat it as palette name. If both fail,
// give image.Transparent
func parseColorOrPalette(input string) image.Image {
if col, err := hex.DecodeString(input); err == nil {
var alpha byte = 0xff
if len(col) == 4 {
alpha = col[3]
}
return image.NewUniform(color.NRGBA{col[0], col[1], col[2], alpha})
} else if pal := render.PrideFlags[input]; len(pal) != 0 {
return &render.StripePattern{Palette: pal, Size: 13}
} else {
return &render.SineColorPattern{Luma: 0xf0, Freq: 1}
return image.Transparent
}
}