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Fabric.js Image cornerSize Property

  • Last Updated : 31 Aug, 2020

Fabric.js is a javascript library that is used to work with canvas. The canvas image is one of the class of fabric.js that is used to create image instances. The canvas image means the Image is movable and can be stretched according to requirement. The cornerSize property of the image is used to change the size of the controlling corners of the canvas image.

Approach: First import the fabric.js library. After importing the library, create a canvas block in the body tag which will contain the image. After this, initialize an instance of Canvas and image class provided by Fabric.JS and change the size of the controlling corners of the canvas image using the cornerSize property of the image object.

Syntax:

fabric.Image(image, {
    cornerSize:Number
});

Parameters: The above function takes two parameters as mentioned above and described below:

  • image: This parameter takes the image.
  • cornerSize: This parameter defines the size of the controlling corners of the canvas image.

Example: This example uses FabricJS to change the size of the controlling corners of the canvas image as shown in the below given example.




<!DOCTYPE HTML> 
<html
  
<head
    <!-- Adding the FabricJS library --> 
    <script src
    </script
</head
  
<body
    <h1 style="color: green;">GeeksforGeeks</h1
    <b>Fabric.js | Image cornerSize Property </b
  
    <canvas id="canvas" width="400" height="300"
        style="border:2px solid #000000"
    </canvas
  
    <img src =
        width="100" height="100" id="my-image"
        style="display: none;">
      
    <script
      
        // Create the instance of canvas object
        var canvas = new fabric.Canvas("canvas"); 
  
        // Getting the image
        var img= document.getElementById('my-image');
  
        // Creating the image instance 
        var imgInstance = new fabric.Image(img, {
            cornerColor:"red",
  
            // Using cornerSize property
            cornerSize:50
        });
  
        // Rendering the image to canvas
        canvas.add(imgInstance);
    </script
</body
  
</html>

Output:




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