... Text
14
2. Position the canvas context and draw the Quadratic curve:
context.moveTo(100, canvas. height - 50);
context.quadraticCurveTo (canvas. width / 2, -50, canvas. width
- 100, canvas. height - 50);
... canvas. getContext("2d");
drawBranches(context, canvas. width / 2, canvas. height, 50, 0);
};
3. Embed the canvas tag inside the body of the HTML document:
< ;...
...
In a nutshell, canvas is really exciting!
Note: You may have noticed that I refer to both the
canvas
element and canvas.
There is a subtle distinction. I will refer to the
canvas
element ... Silvia Pfeiffer (Apress) for a
detailed examination of video in HTML5.
The canvas element
Easily my favorite feature of HTML, the canvas element is the reason behind writing this book an...
... the context’s canvas. The most common use of the
canvas attribute is to access the width and height of the
canvas: context .canvas. width and
context .canvas. height, respectively.
canvas
Specifies ... nearly 800 Canvas test
cases—see http://philip .html5. org/tests /canvas/ suite/tests—sent me pages of
insightful comments for each chapter that only someone who knows the
most intimate...
... the context’s canvas. The most common use of the
canvas attribute is to access the width and height of the
canvas: context .canvas. width and
context .canvas. height, respectively.
canvas
Specifies ... 'blue';
context.fillText('Hello Canvas& apos;, canvas. width/2 - 150,
canvas. height/2 + 15);
context.strokeText('Hello Canvas& apos;, canvas. width/2 - 150,
ca...
... region
The Canvas State | 29
In HTML5 you no longer have to specify the script type.
HTML5 Canvas “Hello World!”
As we just mentioned, one of the first things we need to do when putting Canvas on
an HTML5 ... passing the name canvasOne, which we defined as the id of the
< ;canvas& gt; tag we created in the HTML page:
var theCanvas = document.getElementById("canvasOne")...
... 317
Video and the Canvas 321
Displaying a Video on HTML5 Canvas 321
HTML5 Video Properties 327
Video on the Canvas Examples 331
Using the currentTime Property to Create Video Events 331
Canvas Video ... code such as the
following:
< ;canvas id="canvasOne" width="500" height="300">
Your browser does not support HTML5 Canvas.
< /canvas& gt...