November 2011
Beginner
992 pages
38h
English
book
Internet & World Wide Web: How to Program, Fifth Edition
by Paul Deitel, Harvey Deitel, Abbey Deitel
Content preview from Internet & World Wide Web: How to Program, Fifth Edition14. HTML5: Introduction to
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14. HTML5: Introduction to canvas
With every experience, you alone are painting your own canvas, thought by thought, choice by choice.
—Oprah Winfrey
Observe Everything. Communicate Well. Draw, Draw, Draw.
—Frank Thomas
Do not go where the path may lead, go instead where there is no path and leave a trail.
—Ralph Waldo Emerson
Objectives
In this chapter you’ll:
• Draw lines, rectangles, arcs, circles, ellipses and text.
• Draw gradients and shadows.
• Draw images, create patterns and convert a color image to black and white.
• Draw Bezier and quadratic curves.
• Rotate, scale and transform.
• Dynamically resize a canvas to fill the window.
• Use alpha transparency and compositing techniques.
• Create an HTML5 canvas-based game app with sound ...
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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.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.