Create a pattern with HTML5 Canvas using the following method: createPattern(image, repetition)− This method will use an image to create a pattern. The second parameter can be a string with one of the following values: repeat, repeat-x, repeat-y, and no-repeat. If an empty string or null is specified, a duplicate will be assumed.
Example
You can try running the following code to see how to create a pattern -
<!DOCTYPE HTML>
<html>
<head>
<style>
#test {
width:100px;
height:100px;
margin: 0px auto;
}
</style>
<script>
function drawShape(){
// get the canvas element using the DOM
var canvas = document.getElementById('mycanvas');
// Make sure we don't execute when canvas isn't supported
if (canvas.getContext){
// use getContext to use the canvas for drawing
var ctx = canvas.getContext('2d');
// create new image object to use as pattern
var img = new Image();
img.src = 'images/pattern.jpg';
img.onload = function(){
// create pattern
var ptrn = ctx.createPattern(img,'repeat');
ctx.fillStyle = ptrn;
ctx.fillRect(0,0,150,150);
}
} else {
alert('You need Safari or Firefox 1.5+ to see this demo.');
}
}
</script>
</head>
<body id = "test" onload = "drawShape();">
<canvas id = "mycanvas"></canvas>
</body>
</html>The above is the detailed content of Create a pattern using HTML5 Canvas. For more information, please follow other related articles on the PHP Chinese website!
The Versatility of HTML: Applications and Use CasesApr 30, 2025 am 12:03 AMHTML is not only the skeleton of web pages, but is more widely used in many fields: 1. In web page development, HTML defines the page structure and combines CSS and JavaScript to achieve rich interfaces. 2. In mobile application development, HTML5 supports offline storage and geolocation functions. 3. In emails and newsletters, HTML improves the format and multimedia effects of emails. 4. In game development, HTML5's Canvas API is used to create 2D and 3D games.
What is the root tag in an HTML document?Apr 29, 2025 am 12:10 AMTheroottaginanHTMLdocumentis.Itservesasthetop-levelelementthatencapsulatesallothercontent,ensuringproperdocumentstructureandbrowserparsing.
Are the HTML tags and elements the same thing?Apr 28, 2025 pm 05:44 PMThe article explains that HTML tags are syntax markers used to define elements, while elements are complete units including tags and content. They work together to structure webpages.Character count: 159
What is the significance of <head> and <body> tag in HTML?Apr 28, 2025 pm 05:43 PMThe article discusses the roles of <head> and <body> tags in HTML, their impact on user experience, and SEO implications. Proper structuring enhances website functionality and search engine optimization.
What is the difference between <strong>, <b> tags and <em>, <i> tags?Apr 28, 2025 pm 05:42 PMThe article discusses the differences between HTML tags , , , and , focusing on their semantic vs. presentational uses and their impact on SEO and accessibility.
Please explain how to indicate the character set being used by a document in HTML?Apr 28, 2025 pm 05:41 PMArticle discusses specifying character encoding in HTML, focusing on UTF-8. Main issue: ensuring correct display of text, preventing garbled characters, and enhancing SEO and accessibility.
What are the various formatting tags in HTML?Apr 28, 2025 pm 05:39 PMThe article discusses various HTML formatting tags used for structuring and styling web content, emphasizing their effects on text appearance and the importance of semantic tags for accessibility and SEO.
What is the difference between the 'id' attribute and the 'class' attribute of HTML elements?Apr 28, 2025 pm 05:39 PMThe article discusses the differences between HTML's 'id' and 'class' attributes, focusing on their uniqueness, purpose, CSS syntax, and specificity. It explains how their use impacts webpage styling and functionality, and provides best practices for
Hot AI Tools
Undresser.AI Undress
AI-powered app for creating realistic nude photos
AI Clothes Remover
Online AI tool for removing clothes from photos.
Undress AI Tool
Undress images for free
Clothoff.io
AI clothes remover
Video Face Swap
Swap faces in any video effortlessly with our completely free AI face swap tool!
Hot Article
Hot Tools
SAP NetWeaver Server Adapter for Eclipse
Integrate Eclipse with SAP NetWeaver application server.
Atom editor mac version download
The most popular open source editor
SecLists
SecLists is the ultimate security tester's companion. It is a collection of various types of lists that are frequently used during security assessments, all in one place. SecLists helps make security testing more efficient and productive by conveniently providing all the lists a security tester might need. List types include usernames, passwords, URLs, fuzzing payloads, sensitive data patterns, web shells, and more. The tester can simply pull this repository onto a new test machine and he will have access to every type of list he needs.
Zend Studio 13.0.1
Powerful PHP integrated development environment
EditPlus Chinese cracked version
Small size, syntax highlighting, does not support code prompt function
