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cjgammon

whatever i feel like writing about

Tag: canvas

Fixed Canvas Backgrounds

By cjgammon Last updated: October 14, 2016April 29, 2022

I’ve talked a bit about separating our semantic and non-semantic content within websites. We can take our rich non-semantic content and throw it onto a canvas. This provides a number of benefits, cleaning up our…

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Posted in design, web, web design, webgl Tagged canvas, design, development, html 5, web, webgl

Tiny Javascript Libraries

By cjgammon Last updated: December 19, 2015April 29, 2022

I used to do a lot of flash banner ads. Banner ads have tight requirements around file size so as not to bloat the hosting page’s download. With banner ads migrating to HTML this is…

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Posted in canvas, svg, technology, web Tagged canvas, coding, development, html 5, svg, web

Masking in GLSL

By cjgammon Last updated: October 14, 2005April 29, 2022

WebGL is complicated. Libraries like Three.js have made it more approachable but to do advanced effects you still need to understand the inner workings of WebGL, this includes GLSL shaders. Shaders are small programs that…

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Posted in design, web Tagged canvas, development, glsl, masking, web

Masking in Canvas

By cjgammon Last updated: October 14, 2005April 29, 2022

Because the canvas requires manual drawing through scripting we need to leverage the 2d canvas API, through the canvas’ 2d context. Clip paths in canvas are pretty straight forward. First we simply draw a path…

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Posted in design, web Tagged canvas, development, masking, web

Canvas Blend Modes in Safari on Desktop and iOS7

By cjgammon Last updated: October 14, 2005April 29, 2022

Blend Modes have probably been one of the most highly requested features in canvas. Canvas is great for gaming and rich visual effects down to the pixel level, and though we can do shaders and…

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Posted in design, javascript, web, web design Tagged canvas, javascript, web

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