Posts Tagged allrgb
js1k: an allRGB entry in <1k of JavaScript
Posted by Howard Yeend in javascript on August 30, 2010
It’s contest season! The An Event Apart 10k JavaScript app contest has just ended (my entry got 2/5), there’s a node.js contest, and the JS1k contest is ending on Sept 10th. JS1k is a much purer contest, disallowing any external libraries, while the 10k contest allowed things like jQuery and external web services. As puts it, js1k is “An exercise in constraint, resulting in a kind of executable haiku”.
For js1k, I’ve entered a port of my PHP allRGB entry. The allRGB project is a great idea in itself – create an image which contains every possible colour in the RGB space exactly once. That’s 256*256*256 colours (=16777216), in a 4096×4096 image. Quite a challenge for PHP, and certainly not the kind of thing you’d attempt in JavaScript, right? ;D
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allRGB Entry – PHP Image Manipulation
Posted by Howard Yeend in PHP on February 10, 2010
The objective of allRGB is simple: To create images with one pixel for every rgb-color (16777216 to be exact); not one color missing, and not one color twice.
What a cool project! As regular readers will know, I love messing about with image manipulation in PHP, so when I heard about the allRGB project I knew I had to make an entry for it. A few false starts and about half an hour later, I proudly submitted my first entry, a 4096×4096 PNG image containing every single possible RGB colour. As one redditor put it, “It’s like poetry, just without words.”
Click for the high resolution (only 173Kb)
And now on to the code:
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