rainbow quox

rainbow-quox/script/palette.ts

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+import { Rgb, Rgbs, rgb } from './color.js';
+import { Layer } from './layer.js';
+
+export type Color =
+    Exclude<Layer, 'eyeshine' | 'stroke' | 'static'>
+  | 'collars' | 'bells' | 'tongues' | 'socks' | 'sclera';
+
+// in palette order
+export const COLORS: Color[] =
+  ['lines', 'outer', 'vitiligo1', 'spines', 'fins1', 'fins2', 'fins3',
+   'vitiligo4', 'belly1', 'vitiligo3', 'belly2', 'vitiligo2', 'sclera',
+   'eyes', 'tongues', 'masks', 'claws', 'socks', 'stripes', 'cuffs',
+   'collars', 'bells'];
+
+export const NAMES: Partial<Record<Color, string>> = {
+  outer: 'outer body',
+  stripes: 'sock stripes',
+  cuffs: 'sock cuffs',
+  fins1: 'fins (outer)',
+  fins2: 'fins (mid)',
+  fins3: 'fins (inner)',
+  belly1: 'belly 1',
+  belly2: 'belly 2',
+  vitiligo1: 'outer body vitiligo',
+  vitiligo2: 'belly 2 vitiligo',
+  vitiligo3: 'belly 1 vitiligo',
+  vitiligo4: 'fins vitiligo',
+};
+
+export function name(l: Color): string {
+  return NAMES[l] ?? l;
+}
+
+export type StaticColor = Exclude<Color, Layer>;
+
+export const STATIC_COLS: Record<StaticColor, Rgb> = {
+  collars: rgb(206, 75, 101),
+  bells:   rgb(235, 178, 79),
+  tongues: rgb(222, 165, 184),
+  socks:   rgb(238, 239, 228),
+  sclera:  rgb(238, 239, 228),
+};
+
+export function get(col: Color, palette: Rgbs): Rgb {
+  type PPalette = Partial<Record<Color, Rgb>>;
+  let p = palette as PPalette;
+  let s = STATIC_COLS as PPalette;
+  return (p[col] ?? s[col])!;
+}
+
+export function make(seed: string, palette: Rgbs): Blob {
+  let lines = [
+    "GIMP Palette\n",
+    `Name: quox ${seed}\n`,
+    "Columns: 6\n\n",
+  ];
+
+  for (const col of COLORS) {
+    let { r, g, b } = get(col, palette);
+    lines.push(`${r} ${g} ${b} ${name(col)}\n`);
+  }
+
+  return new Blob(lines, { type: 'application/x-gimp-palette' });
+}