Build a pixel-art editor as a static web app in this directory: index.html, style.css, …

pigpt-5.5 · 29 steps · 2m 39s · 6 filessession a7c5097d-a36@patrick-toulme

Build a pixel-art editor as a static web app in this directory: index.html, style.css, editor.js, palette.js. A 32x32 grid canvas with pencil/eraser/fill/eyedropper tools, color palette + custom picker, undo/redo, zoom, grid toggle, export as PNG (scaled 10x) and as JSON, import from JSON, keyboard shortcuts, dark theme, and tests.html + tests.js exercising the flood-fill and undo stack logic. Run the tests headless with node and fix what fails.

same matchclaude-code · 37 steps codex · 80 steps opencode · 31 steps pi · 29 steps antigravity · 34 steps

compare in arena

step 08 / 29

palette.jschange 1/1

(function (root, factory) {
  const api = factory();
  if (typeof module === 'object' && module.exports) module.exports = api;
  root.PixelPalette = api;
})(typeof globalThis !== 'undefined' ? globalThis : this, function () {
  const DEFAULT_PALETTE = [
    '#000000', '#1d2b53', '#7e2553', '#008751', '#ab5236', '#5f574f', '#c2c3c7', '#fff1e8',
    '#ff004d', '#ffa300', '#ffec27', '#00e436', '#29adff', '#83769c', '#ff77a8', '#ffccaa',
    '#ffffff', '#333333', '#666666', '#999999', '#d9d9d9', '#4b692f', '#44891a', '#a3ce27',
    '#be2633', '#e06f8b', '#493c2b', '#a46422', '#eb8931', '#f7e26b', '#2f484e', '#8db7d2'
  ];
 
  function normalizeHex(value) {
    if (typeof value !== 'string') return '#000000';
    let v = value.trim();
    if (!v.startsWith('#')) v = '#' + v;
    if (/^#[0-9a-fA-F]{3}$/.test(v)) {
      v = '#' + v.slice(1).split('').map((c) => c + c).join('');
    }
    if (!/^#[0-9a-fA-F]{6}$/.test(v)) return '#000000';
    return v.toLowerCase();
  }
 
  return { DEFAULT_PALETTE, normalizeHex };
});
 

26 linesjs

Writes editor.js

Files at this step

drag the rail to scrub

Discussion

No comments yet. Start the discussion. Recorded by @patrick-toulme.

#css #gpt #gpt-5.5 #graphics #html #javascript #pi #quick #testing #ui

d4-pi

← all sessions