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HTML5: Graphics and Animation with Canvas
Illustration by John Hersey

Real-world example: Sketchpad


From:

HTML5: Graphics and Animation with Canvas

with Joe Marini

Video: Real-world example: Sketchpad

Another really great example of using HTML5 canvas to accomplish things that used to require native applications is Sketchpad. And you can see the URL up there is mugtug.com/sketchpad. This is a drawing application created using HTML5 canvas, and I'm going to just do some stuff, like I can select the ellipse, and I can draw the ellipse on the canvas here, and I can use the brush and I can draw things. And you can see that I've got various settings in these windows down here. So, I can change all kinds of things. I can change colors.
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  1. 4m 54s
    1. Welcome
      1m 3s
    2. Using the exercise files
      2m 3s
    3. Using the HTML5 Canvas element in the real world
      1m 48s
  2. 10m 31s
    1. Real-world example: CanvasMol
      2m 9s
    2. Real-world example: Raphaël-JavaScript Library
      1m 47s
    3. Real-world example: The Wilderness Downtown
      4m 1s
    4. Real-world example: Sketchpad
      1m 10s
    5. Real-world example: Pirates Love Daisies
      1m 24s
  3. 3m 28s
    1. Installing the tools
      1m 29s
    2. Exploring the Canvas examples used in this course
      1m 59s
  4. 8m 58s
    1. Introducing the Canvas tag
      6m 30s
    2. Understanding the differences between Canvas and SVG
      2m 28s
  5. 5m 36s
    1. Identifying the Canvas element's methods and properties
      1m 40s
    2. Using the Canvas drawing context
      3m 56s
  6. 43m 14s
    1. Setting and using colors and styles
      3m 19s
    2. Drawing basic shapes: Rectangles and lines
      10m 21s
    3. Understanding the Canvas state
      5m 15s
    4. Drawing complex shapes: Arcs and paths
      9m 15s
    5. Drawing complex shapes: Bézier and quadratic curves
      5m 46s
    6. Rendering text
      9m 18s
  7. 32m 35s
    1. Creating shadows
      6m 41s
    2. Drawing with patterns
      7m 20s
    3. Drawing with gradients
      6m 18s
    4. Using clipping paths
      4m 46s
    5. Drawing images and video
      7m 30s
  8. 35m 42s
    1. Transforming objects using the translate tag
      4m 18s
    2. Scaling objects with the scale transformation
      4m 7s
    3. Rotating objects with the rotate transformation
      4m 33s
    4. Applying a custom transformation
      6m 58s
    5. Compositing in Canvas using globalAlpha
      6m 36s
    6. Manipulating raw pixels
      9m 10s
  9. 41m 23s
    1. Building an image slideshow control
      4m 24s
    2. Using smooth transitions in a slideshow
      4m 28s
    3. Creating a basic animation
      5m 42s
    4. Creating animation with double buffering
      13m 13s
    5. Incorporating Canvas into a real page
      13m 36s
  10. 48s
    1. Goodbye
      48s

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HTML5: Graphics and Animation with Canvas
3h 7m Intermediate Jun 03, 2011

Viewers: in countries Watching now:

One of the most exciting additions that HTML5 offers to designers is the ability to draw free-form graphics on a drawing surface known as the Canvas. In this course, author Joe Marini introduces the technical concepts behind Canvas and shows how to perform drawing operations directly in a web page. The course covers drawing basic and complex shapes, setting colors and styles, adding shadows, patterns, and gradients, more advanced techniques such as scaling, rotating, and compositing objects, and how to incorporate Canvas elements in a slideshow and an animation.

Topics include:
  • Understanding the differences between Canvas and SVG Graphics
  • Drawing shapes
  • Drawing arcs and paths
  • Rendering text
  • Using clipping paths
  • Drawing images and video
  • Transforming objects with the translate tag
  • Manipulating raw pixels
  • Applying a custom transformation
  • Creating an animation or slideshow control with Canvas
Subjects:
Developer Web Animation Web Design Web Development
Software:
HTML
Author:
Joe Marini

Real-world example: Sketchpad

Another really great example of using HTML5 canvas to accomplish things that used to require native applications is Sketchpad. And you can see the URL up there is mugtug.com/sketchpad. This is a drawing application created using HTML5 canvas, and I'm going to just do some stuff, like I can select the ellipse, and I can draw the ellipse on the canvas here, and I can use the brush and I can draw things. And you can see that I've got various settings in these windows down here. So, I can change all kinds of things. I can change colors.

I can even do advanced operations like cropping. So, this is a cropping tool. I am going to drag out a little cropping rectangle here and hit Enter, and you can see that by using the canvas, I'm able to grab subsets of images that have been drawn, draw them in to entirely new canvases. This is actually a really powerful application. You can see also up here I have other windows I can drag out. So this is a great example of something that used to require a native application to do and it's been implemented entirely using canvas and HTML5 technologies.

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