Update 'palette-gen.js'
4
.gitignore
vendored
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@ -0,0 +1,4 @@
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palette.in
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palette.out
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gifpalette.out
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build/
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23
Makefile
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SRCDIR:= img
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DSTDIR:= build
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SOURCES := $(shell find ${SRCDIR} -type f -print)
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FILES := $(patsubst $(SRCDIR)/%,$(DSTDIR)/%,$(SOURCES))
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all: $(FILES)
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palette.out: palette.in
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node palette-gen.js
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builddir:
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@mkdir -p build
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@mkdir -p build/gif
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build/%: img/% builddir palette.out
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repalette $< $@ -p $$(cat palette.out) --dither $(DITHER)
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build/%.gif: img/%.gif builddir palette.out
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gifsicle --use-colormap gifpalette.out < $< > $@
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clean:
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@rm -rf palette.in palette.out build
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Before Width: | Height: | Size: 2.2 MiB After Width: | Height: | Size: 2.2 MiB |
Before Width: | Height: | Size: 2.7 MiB After Width: | Height: | Size: 2.7 MiB |
Before Width: | Height: | Size: 2.1 MiB After Width: | Height: | Size: 2.1 MiB |
Before Width: | Height: | Size: 2.1 MiB After Width: | Height: | Size: 2.1 MiB |
Before Width: | Height: | Size: 2.6 MiB After Width: | Height: | Size: 2.6 MiB |
Before Width: | Height: | Size: 2.5 MiB After Width: | Height: | Size: 2.5 MiB |
Before Width: | Height: | Size: 2.3 MiB After Width: | Height: | Size: 2.3 MiB |
Before Width: | Height: | Size: 2.3 MiB After Width: | Height: | Size: 2.3 MiB |
Before Width: | Height: | Size: 2.2 MiB After Width: | Height: | Size: 2.2 MiB |
Before Width: | Height: | Size: 2.4 MiB After Width: | Height: | Size: 2.4 MiB |
Before Width: | Height: | Size: 2.3 MiB After Width: | Height: | Size: 2.3 MiB |
Before Width: | Height: | Size: 959 KiB After Width: | Height: | Size: 959 KiB |
Before Width: | Height: | Size: 2.2 MiB After Width: | Height: | Size: 2.2 MiB |
Before Width: | Height: | Size: 2.7 MiB After Width: | Height: | Size: 2.7 MiB |
Before Width: | Height: | Size: 2.2 MiB After Width: | Height: | Size: 2.2 MiB |
Before Width: | Height: | Size: 2.6 MiB After Width: | Height: | Size: 2.6 MiB |
Before Width: | Height: | Size: 2.3 MiB After Width: | Height: | Size: 2.3 MiB |
Before Width: | Height: | Size: 2.8 MiB After Width: | Height: | Size: 2.8 MiB |
Before Width: | Height: | Size: 2.7 MiB After Width: | Height: | Size: 2.7 MiB |
Before Width: | Height: | Size: 2.9 MiB After Width: | Height: | Size: 2.9 MiB |
Before Width: | Height: | Size: 2.1 MiB After Width: | Height: | Size: 2.1 MiB |
BIN
img/gif/pond.gif
Normal file
After Width: | Height: | Size: 231 KiB |
@ -1,7 +1,7 @@
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#!/bin/nodejs
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const componentToHex = (c) => ("0" + c.toString(16)).slice(-2);
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const rgbToHex = (c) => "#" + componentToHex(c.r) + componentToHex(c.g) + componentToHex(c.b);
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const rgbToHex = (c) => componentToHex(c.r) + componentToHex(c.g) + componentToHex(c.b);
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const hexToRgb = (hex) => {
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const result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex);
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return result ? {
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@ -9,27 +9,33 @@ const hexToRgb = (hex) => {
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} : null;
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};
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const parseScheme = (str) => str.split(",").map(e=>hexToRgb(e))
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const parseScheme = (str) => str.replace(/\s+/g, '').split(",").map(e=>hexToRgb(e))
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const getTint = (c, w) => Math.round(c + (255 - c) * 1 * w);
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const getShade = (c, w) => Math.round(c * w);
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const tint = (c, w) => ({r:getTint(c.r,w), g:getTint(c.g,w), b:getTint(c.b,w)});
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const shade = (c, w) => ({r:getShade(c.r,w), g:getShade(c.g,w), b:getShade(c.b,w)});
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const tint = (c, w) => ({r:getTint(c.r, w), g:getTint(c.g, w), b:getTint(c.b, w)});
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const shade = (c, w) => ({r:getShade(c.r, w), g:getShade(c.g, w), b:getShade(c.b, w)});
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const tints = (c, w) => Array.from({ length: 100 / w }, (_, i) => tint(c, (i + 1) * w/100));
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const shades = (c, w) => Array.from({ length: 100 / w }, (_, i) => shade(c, (i + 1) * w/100));
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const tints = (c, w) => Array.from({ length: w }, (_, i) => tint(c, (i + 1)/w));
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const shades = (c, w) => Array.from({ length: w }, (_, i) => shade(c, (i )/w));
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const genPalette = (c, w=10) => [...tints(c, w).reverse(), Object.assign(c), ...shades(c, w).reverse()];
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const genPalette = (c, w=3) => [...tints(c, w).reverse(), Object.assign(c), ...shades(c, w).reverse()];
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const readline = require('readline');
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const rl = readline.createInterface({
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input: process.stdin,
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output: process.stdout,
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terminal: false
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});
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rl.on('line', (line) => {
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console.log(parseScheme(line).map(e=>genPalette(e).map(c=>rgbToHex(c))));
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const fs = require("fs");
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fs.readFile("palette.in", "utf-8", (_, buf) => {
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const colors = parseScheme(buf)
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.map(e=> genPalette(e, process.env.PALETTE_SIZE).filter(v=>(v.r+v.g+v.b>0)&&(v.r+v.g+v.b<765)))
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const hexstr = colors.map(cs=>cs.map(c=>rgbToHex(c)).join(',')).join(',')
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const gifstr = colors.map(cs=>cs.map(c=>`${c.r} ${c.g} ${c.b}`).join('\n')).join('\n')
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fs.writeFile("palette.out", hexstr, (err) => {
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if (err) console.log(err);
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});
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fs.writeFile("gifpalette.out", gifstr, (err) => {
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if (err) console.log(err);
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});
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});
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