November 2011
Intermediate to advanced
348 pages
7h 2m
English
Content preview from HTML5 Canvas CookbookBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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What is HTML5 Canvas
Canvas was originally created by Apple in 2004 to implement Dashboard widgets and to power graphics in the Safari browser, and was later adopted by Firefox, Opera, and Google Chrome. Today, canvas is a part of the new HTML5 specification for next generation web technologies.
The HTML5 canvas is an HTML tag that you can embed inside an HTML document for the purpose of drawing graphics with JavaScript. Since the HTML5 canvas is a bitmap, every pixel drawn onto the canvas overrides pixels beneath it.
Here is the base template for all of the 2D HTML5 Canvas recipes for this book:
<!DOCTYPE HTML> <html> <head> <script> window.onload = function(){ var canvas = document.getElementById("myCanvas"); var context = canvas.getContext("2d"); ...Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.