HTML5Canvas - (EPUB全文下载)

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HTML5 Canvas
Native Interactivity and Animation for the Web
Steve Fulton
Jeff Fulton
Editor
Simon St. Laurent
Editor
Mike Loukides
Copyright © 2011 8bitrocket Studios
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Nutshell Handbook, the Nutshell Handbook logo, and the O’Reilly logo are registered trademarks of O’Reilly Media, Inc.
HTML5 Canvas
, the image of a kaka parrot, and related trade dress are trademarks of O’Reilly Media, Inc.
Many of the designations used by manufacturers and sellers to distinguish their products are claimed as trademarks. Where those designations appear in this book, and O’Reilly Media, Inc., was aware of a trademark claim, the designations have been printed in caps or initial caps.
While every precaution has been taken in the preparation of this book, the publisher and authors assume no responsibility for errors or omissions, or for damages resulting from the use of the information contained herein.
O'Reilly Media
DEDICATION
To Flash.
Preface
HTML5 Canvas offers developers the chance to create animated graphics in ordinary web browsers using common tools: HTML and JavaScript. Canvas is one of the most visible parts of HTML5, fueling demo after demo, game after game. It offers interactivity with great visuals, and provides tremendous freedom to do whatever you want in the browser window. However, it differs enough from typical JavaScript development (as well as Flash and Silverlight development) that it needs careful exploration!
Running the Examples in the Book
The best part about programming HTML5 Canvas is that the entry barrier is very low—all you need is a modern web browser and a text editor.
As far as compatibility, we suggest you download and/or use the latest version of the web browsers as ordered below.
Chrome
Safari
Opera
Firefox
Internet Explorer (version 9 or higher)
Every example in this book was tested with Google Chrome, Safari, and Opera. Late in the development of the example code, Firefox started causing issues. While we made every attempt to ensure these examples worked across as many browsers as possible, we recommend you use Google Chrome or Safari for the best results until Canvas support improves.
Please note that if you are using the .pdf version of this book to cut ............

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