- Trending Categories
Data Structure
Networking
RDBMS
Operating System
Java
MS Excel
iOS
HTML
CSS
Android
Python
C Programming
C++
C#
MongoDB
MySQL
Javascript
PHP
Physics
Chemistry
Biology
Mathematics
English
Economics
Psychology
Social Studies
Fashion Studies
Legal Studies
- Selected Reading
- UPSC IAS Exams Notes
- Developer's Best Practices
- Questions and Answers
- Effective Resume Writing
- HR Interview Questions
- Computer Glossary
- Who is Who
How to make the controlling corners of a Triangle transparent using FabricJS?
<p>In this tutorial, we are going to learn how to make the controlling corners of Triangle transparent using FabricJS. Triangle is one of the various shapes provided by FabricJS. In order to create a Triangle, we will have to create an instance of <em>fabric.Triangle</em> class and add it to the canvas. The <em>transparentCorners</em> property allows us to make the controlling corners of Triangle transparent.</p><h2>Syntax</h2><pre class="just-code notranslate language-javascript" data-lang="javascript">new fabric.Triangle( { transparentCorners: Boolean }: Object)</pre><h2>Parameters</h2><ul class="list"><li><p><strong>Options</strong><strong> (optional)</strong> − This parameter is an <em>Object</em> which provides additional customizations to our triangle. Using this parameter, properties such as colour, cursor, stroke width, and a lot of other properties can be changed related to the object of which <em>transparentCorners </em>is a property.</p></li></ul><h2>Options Keys</h2><ul class="list"><li><p><strong>transparentCorners</strong> − This property accepts a <strong>Boolean</strong> value which allows us to render the controlling corners of an object as transparent or not transparent. Its default value is true.</p></li></ul><h2>Example 1</h2><p><strong>Passing <em>transparentCorners</em> property as key with a 'false' value</strong></p><p>Let's see a code example to create a triangle object with controlling corners that are not transparent. To achieve this, we need to pass the <em>transparentCorners</em> property a false value.</p><pre class="demo-code notranslate language-javascript" data-lang="javascript"><!DOCTYPE html>
<html>
<head>
<!-- Adding the Fabric JS Library-->
<script src="https://cdnjs.cloudflare.com/ajax/libs/fabric.js/510/fabric.min.js"></script>
</head>
<body>
<h2>Passing transparentCorners property as key with a 'false' value</h2>
<p>You can select the triangle to see that the controlling corners are opaque.</p>
<canvas id="canvas"></canvas>
<script>
// Initiate a canvas instance
var canvas = new fabric.Canvas("canvas");
canvas.setWidth(document.body.scrollWidth);
canvas.setHeight(250);
// Initiate a triangle object
var triangle = new fabric.Triangle({
left: 180,
top: 80,
width: 90,
height: 80,
fill: "#b0e0e6",
stroke: "#5f9ea0",
strokeWidth: 7,
transparentCorners: false,
});
// Add it to the canvas
canvas.add(triangle);
</script>
</body>
</html></pre><h2>Example 2</h2><p><strong>Passing <em>transparentCorners</em> as key with a 'true' value</strong></p><p>In this example, we are passing the <em>transparentCorners</em> property a true value. This will make sure that the controlling corners are rendered as transparent. Note that this is also the default behaviour.</p><pre class="demo-code notranslate language-javascript" data-lang="javascript"><!DOCTYPE html>
<html>
<head>
<!-- Adding the Fabric JS Library-->
<script src="https://cdnjs.cloudflare.com/ajax/libs/fabric.js/510/fabric.min.js"></script>
</head>
<body>
<h2>Passing transparentCorners as key with a 'true' value</h2>
<p>You can select the triangle to see that the controlling corners are transparent.</p>
<canvas id="canvas"></canvas>
<script>
// Initiate a canvas instance
var canvas = new fabric.Canvas("canvas");
canvas.setWidth(document.body.scrollWidth);
canvas.setHeight(250);
// Initiate a triangle object
var triangle = new fabric.Triangle({
left: 180,
top: 80,
width: 90,
height: 80,
fill: "#b0e0e6",
stroke: "#5f9ea0",
strokeWidth: 7,
transparentCorners: true,
});
// Add it to the canvas
canvas.add(triangle);
</script>
</body>
</html></pre>
- Related Articles
- How to make controlling corners of Text transparent using FabricJS?
- How to make the controlling corners of a Circle transparent using FabricJS?
- How to make the controlling corners of a Rectangle transparent using FabricJS?
- How to make the controlling corners of a Textbox transparent using FabricJS?
- How to make the controlling corners of an Ellipse transparent using FabricJS?
- How to hide the controlling corners of a Triangle using FabricJS?
- How to set the colour of controlling corners of a Triangle using FabricJS?
- How to set the style of controlling corners of a Triangle using FabricJS?
- How to set the size of the controlling corners of a Triangle using FabricJS?
- How to set the dash pattern of controlling corners of Triangle using FabricJS?
- How to hide the controlling corners of a Circle using FabricJS?
- How to hide the controlling corners of a Rectangle using FabricJS?
- How to hide the controlling corners of an Ellipse using FabricJS?
- How to set the style of controlling corners of a Circle using FabricJS?
- How to set the colour of controlling corners of a Rectangle using FabricJS?
Advertisements