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Fabric.js Group cornerStrokeColor Property
  • Last Updated : 29 Jan, 2021

In this article, we are going to see how to set the cornerStrokeColor of a Group of the canvas using Fabric.js. The Group in Fabric.js is movable and can be stretched according to requirements. Further, the Group can be customized when it comes to initial stroke color, height, width, fill color, or stroke width.

To make it possible we are going to use a JavaScript HTML5 canvas library called Fabric.js. After importing the library, we will create a canvas block in the body tag that will contain the Group. After this, we will initialize instances of Canvas and Group provided by Fabric.js and set the color of controlling corners of the canvas Group using the cornerStrokeColor property.

Syntax:

fabric.Group([canvas1, canvas2], {
   cornerStrokeColor :String
});

Parameters: This property accepts a single parameter as mentioned above and described below:

  • cornerStrokeColor: It specifies the color of controlling corners of the object. It contains a string value.

Below example illustrate the use of Fabric.js Group cornerStrokeColor property in JavaScript:



Example:

HTML




<!DOCTYPE html>
<html>
  
<head>
  <!-- FabricJS CDN -->
  <script src=
  </script>
  
</head>
  
<body>
    <div style="text-align: center;width: 400px;">
      <h1 style="color: green;">
          GeeksforGeeks
      </h1>
      <b>
          Fabric.js | Group cornerStrokeColor Property
      </b>
    </div>
    
    <div style="text-align: center;">
      <canvas id="canvas" width="500" height="300"
      style="border:1px solid green;">
      </canvas>
    </div>
    
    <script>
      // Initiate a Canvas instance
      var canvas = new fabric.Canvas("canvas");
        
      // Initiate a circle instance
      var circle = new fabric.Circle({
        radius: 100,
        fill: 'lightgreen',
        scaleY: 0.6,
        originX: 'center',
        originY: 'center'
      });
  
      // Initiate a text instance
      var text = new fabric.Text('GeeksforGeeks', {
        fontSize: 25,
        originX: 'center',
        originY: 'center'
      });
  
      // Initiate a Group instance
      var group = new fabric.Group([ circle, text ], {
        cornerStrokeColor : 'red',
        transparentCorners: false   
      });
  
      // Render the Group in canvas
      canvas.add(group);
  
      // Center the Group in canvas
      canvas.centerObject(group);
  </script>
</body>
  
</html>

Output:

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