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Canvas Cookbook

You're reading from   Canvas Cookbook Over 80 simple but creative and structured recipes to explore the capabilities of HTML5 Canvas

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Product type Paperback
Published in May 2019
Publisher
ISBN-13 9781785284892
Length 254 pages
Edition 1st Edition
Languages
Tools
Concepts
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Toc

Table of Contents (11) Chapters Close

Preface 1. Paths and Text FREE CHAPTER 2. Shapes and Composites 3. Animation 4. Images and Videos 5. Interactivity through Events 6. Creating Graphs and Charts 7. 3D Modeling 8. Game Development 9. Interoperability and Deployment Index

Working with custom shapes and styles

Until now we have learned how to draw basic shapes such as lines, arcs, curves, andrectangles. However, using this knowledge you can draw various shapes, such as a pentagon, a hexagon, a cloud, and so on. Our new recipe shows you how. In addition, it also shows you the different ways of filling these shapes with different effects:

The output of our recipe is as follows:

Working with custom shapes and styles

How to do it…

The recipe is given as follows.

The HTML code:

<html>
<head>
<title>Clouds</title>
<script src="clouds.js"></script>
</head>
<body onload="init()">
<canvas id="MyCanvasArea" width="800" height="300" style="border:2px solid blue;" >
your browser does not support canvas</canvas>
<h1>Cloudy Sky</h1>
</body>
</html>

The JavaScript code:

var can;
var ctx;
var color;
function init()
{
  can=document.getElementById("MyCanvasArea&quot...
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