This domain may be for sale!
This domain may be for sale!
Sunday, May 4, 2008 29 comments Compression using Canvas and PNG-embedded data Labels: canvas, compression, javascript I got this idea to stuff Javascript in a PNG image and then read it out using the getImageData() method on the canvas element. Unfortunately, for now, that means only Firefox, Opera Beta and the recent WebKit nightlies work. And before anyone else points out how gzip is superior,
This is a small library that lets you easily save a WHATWG canvas element as an imagefile. Files needed: canvas2image.js, base64.js Draw on the canvas with the pretty boxes below using the mouse, then click the "Convert" buttons to convert it to a downloadable image - or the "Save" buttons to download the image file directly. Using the WHATWG canvas element, you can create all sorts of cool gr
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