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HTML5: Graphics and Animation with Canvas
Illustration by John Hersey

Exploring the Canvas examples used in this course


From:

HTML5: Graphics and Animation with Canvas

with Joe Marini

Video: Exploring the Canvas examples used in this course

The HTML5 canvas provides a lot of drawing operations to learn about. So what I'm going to do first is show you a quick overview of the kinds of things that we're going to learn how to do in this course. So using HTML5 canvas, we'll learn about how to draw lines, and you can see this is the example here. This is the actual finished example that we're going to build. And you can see that we can draw lines of varying thickness with different end caps and different kinds of joins. We'll see how to draw arcs. And again, these are the finished examples that you're going to be able to build when you've watched that particular section.
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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

Exploring the Canvas examples used in this course

The HTML5 canvas provides a lot of drawing operations to learn about. So what I'm going to do first is show you a quick overview of the kinds of things that we're going to learn how to do in this course. So using HTML5 canvas, we'll learn about how to draw lines, and you can see this is the example here. This is the actual finished example that we're going to build. And you can see that we can draw lines of varying thickness with different end caps and different kinds of joins. We'll see how to draw arcs. And again, these are the finished examples that you're going to be able to build when you've watched that particular section.

So here we do have some arcs. Some of them are filled. We can draw text in the canvas using various effects. We've got some colors, and sizes, and stroking and filling going on, We'll see how to do things like draw shadows, so these are objects that have shadows with them. You can see that the shadow color and blur effect can be changed depending on the type of object that you're drawing. We'll also see how to do things like draw gradients, both linear gradients, as in this example, and radial gradients. Then we'll move on to some more advanced stuff, like seeing how the canvas can draw using different compositing methods.

These compositing methods affect how objects are drawn to the canvas, and there are twelve of them and you can see the examples here. And again, you'll be building this later on in the title. Then we will see how to use things like transformations to move objects around on the canvas and affect how they are drawn. And you can do things like rotate and scale and translate. This is the rotate one. We'll see how to do this later. Then we move on to some more advanced operations. I'll show you how to build animations like this one, where we have a box moving across a blue canvas, and we'll build something a little more advanced than that even.

We'll build a nice little slideshow rotator. You can see that this is rotating through some pictures that are being drawn to a canvas. So these are the examples that we're going to be building, and you might want to fire up your code editor, because we're going to just dive right in and start building stuff.

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