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Knotwork by Rule

Knotwork by Rule

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6 min read
Making a screen's background follow its cover image in React Native Web (no library)

Making a screen's background follow its cover image in React Native Web (no library)

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4 min read
44 seconds to render a shoe: six fixes, and the biggest one was a single toDataURL call

44 seconds to render a shoe: six fixes, and the biggest one was a single toDataURL call

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7 min read
Decoding Small and Low-Contrast QR Codes on HTML5 Canvas

Decoding Small and Low-Contrast QR Codes on HTML5 Canvas

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3 min read
One image, 66 shoe panels: the geometry (and four silent bugs) behind a canvas cutting pipeline

One image, 66 shoe panels: the geometry (and four silent bugs) behind a canvas cutting pipeline

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5 min read
I measured how much 66 shoe panels magnify one upload - and the number changed our file requirements

I measured how much 66 shoe panels magnify one upload - and the number changed our file requirements

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5 min read
GIF to PNG in the Browser: First Frames, 1-Bit Transparency, and Why the PNG Gets Bigger

GIF to PNG in the Browser: First Frames, 1-Bit Transparency, and Why the PNG Gets Bigger

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3 min read
Perspective Correction in the Browser: Implementing Homography Transforms with Canvas API

Perspective Correction in the Browser: Implementing Homography Transforms with Canvas API

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5 min read
Verifying a white background programmatically (and the two export mistakes it catches)

Verifying a white background programmatically (and the two export mistakes it catches)

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3 min read
Exporting a print-ready A4 PNG and PDF entirely in the browser

Exporting a print-ready A4 PNG and PDF entirely in the browser

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4 min read
Efficient HTML Canvas Logic Gate Simulator: Managing Interactions, Animations, and Performance Optimization

Efficient HTML Canvas Logic Gate Simulator: Managing Interactions, Animations, and Performance Optimization

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8 min read
Your 16px favicon is blurry because of geometry, not the resampler

Your 16px favicon is blurry because of geometry, not the resampler

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7 min read
Stop asking image models to spell: setting text over AI art with Canvas

Stop asking image models to spell: setting text over AI art with Canvas

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5 min read
Building a 60fps Canvas Frustum Camera for 4K System Architecture Presentations

Building a 60fps Canvas Frustum Camera for 4K System Architecture Presentations

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8 min read
Canvas and WebGL in Firefox: 2D Drawing, Image Processing, Three.js, and DevTools Debugging

Canvas and WebGL in Firefox: 2D Drawing, Image Processing, Three.js, and DevTools Debugging

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4 min read
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