Chalk
A headline written in chalk on a slate board.
Knobs
Preset
#F1EEE4
Colour2
Shape2
Texture3
Still frame
What reduced motion shows: 5.5 s.
Install
Code
components/isomer/chalk.tsx
'use client'; // Generated by isomer. Do not edit by hand; run `isomer add` again to update. (from packages/react/src/Chalk.tsx) // generated by packages/react/scripts/gen-components.mjs, do not edit import type { CSSProperties } from 'react'; import { useIsomerCanvas, type Mount, type ImageInput, type ImageSource } from './useIsomerCanvas'; // @ts-ignore: the runtime is plain JS with no type declarations import * as runtime from './chalk.js'; // @ts-ignore: the baked atlas as a PNG data URL import atlas from './chalk.image.js'; const { DEFAULTS, mount, loadImage } = runtime as { DEFAULTS: ChalkKnobs; mount: Mount; loadImage: (url: string) => Promise<ImageSource> }; export interface ChalkKnobs { accent: string; write: number; dust: number; broken: number; grain: number; slateTone: number; chalkCover: number; chalkWidth: number; shake: number; ghosts: number; chalkHaze: number; } export interface ChalkProps extends Partial<ChalkKnobs> { className?: string; style?: CSSProperties; /** Render this one frame (seconds) and run no clock. Used by the parity tests. */ time?: number; paused?: boolean; /** The clock stops at t = 5.5 and holds that frame. Draw t = 5.5 once when the user prefers reduced motion. Default true. */ respectReducedMotion?: boolean; /** Keep each frame readable after it is shown, for canvas.toDataURL or readPixels. Read at mount. Default false. */ preserveDrawingBuffer?: boolean; /** The image the shader reads. Default: the baked glyph atlas of "Today: cardamom buns". */ image?: ImageInput; } export const chalkDefaults: Readonly<ChalkKnobs> = DEFAULTS; export function Chalk({ className, style, time, paused, respectReducedMotion, preserveDrawingBuffer, image, ...props }: ChalkProps) { const knobs = { ...DEFAULTS }; for (const k of Object.keys(DEFAULTS) as (keyof ChalkKnobs)[]) { const v = props[k]; if (v !== undefined) (knobs as Record<string, unknown>)[k] = v; } const ref = useIsomerCanvas({ mount, knobs, time, paused, respectReducedMotion, preserveDrawingBuffer, posterTime: 5.5, settleAt: 5.5, image: image ?? atlas, loadImage }); return <canvas ref={ref} className={className} style={{ display: 'block', width: '100%', height: '100%', ...style }} />; }
Parity
100.0Frame-identical
iPhone 17 Pro simulator, iOS 26.3.1 against Chromium headless + SwiftShader, 15 October 2026.