Gamut boundaries, gamut fitting, workers and more#50
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This branch modernizes the color area picker, moving heavy math off the main thread for smoother interaction. It adds gamut visualization/controls (lines, boundary zoom, stretching), CSS anchor progressive enhancement, ships a small perf pass, refreshes docs/examples, and updates styles.
Highlights
• New web worker for area computations to keep UI responsive.
• Gamut tools: lines, boundary zoom, and stretching for better out‑of‑gamut handling.
• Performance tune-up in core picker flow.
• Docs expanded and reorganized with refreshed demos and styles.
• Perf fix suggestion from @TrySound ❤️
Technical changes
• Added worker: src/area-picker.worker.ts (off‑thread calculations).
• Major refactor/expansion: src/area-picker.ts.
• Targeted updates: src/color-input.ts, src/utils/positioning.ts, src/utils/template.ts.
• New stylesheet entry: src/styles/index.css.
Docs and styles
• Docs pages updated: advanced.mdx, api.mdx, index.mdx, styling.mdx.
• Demo/components updates: ColorInputDemo.astro, EventLogger.astro, Head.astro.
• Style tweaks: docs/src/styles/{custom.css,demos.css}.
Stats
• 16 files changed, 1683 insertions, 468 deletions.
• Largest changes: src/area-picker.ts (+787 −60), src/area-picker.worker.ts (+489 −0), docs/src/styles/demos.css (+101 −59), src/styles/index.css (+61 −0), src/color-input.ts (+57 −15).
Breaking changes
• None detected (no “BREAKING CHANGE” or “!” commits found).
How to test
• Verify smooth interaction under rapid pointer movement (worker offloads).
• Exercise gamut tools: lines render correctly; boundary zoom focuses edges; stretching behaves predictably for out‑of‑gamut colors.
• Sanity-check color-input integration and positioning utilities.
• Review updated docs pages build and render correctly with refreshed demos.
Checklist
Cross-browser smoke test (Chromium, WebKit, Firefox).
Confirm no regressions in keyboard/mouse/touch interactions.
Verify docs navigation and anchors still function.