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HTML5 in Action
book

HTML5 in Action

by Greg Wanish, Rob Crowther, Joe Lennon, Charles Brindle
February 2014
Intermediate to advanced
466 pages
16h
English
Manning Publications
Content preview from HTML5 in Action

Chapter 6. 2D Canvas: low-level, 2D graphics rendering

Chapter 6 at a glance

Topic

Description, methods, and so on

Page

API overview Fundamentals for drawing with the Canvas API  
 
  • Canvas context and origins
  • getContext()
166 169
Drawing assets Creating static Canvas objects with visual output  
 
  • App’s general structure
  • requestAnimationFrame()
  • ctx.drawImage()
  • ctx.fillRect()
  • ctx.createLinearGradient()
  • ctx.arc() for circles
  • Paths via moveTo() and lineTo()
  • ctx.arcTo() for round corners
170 173 174 175 177 178 179 179
Animate/overlap Making assets interactive and detecting overlap  
 
  • Moving your visual assets
  • Overlap detection
  • Keyboard and mouse input
  • Touch input
182 183 185 187 ...
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Publisher Resources

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