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Fabric.js ActiveSelection toString() Method

  • Last Updated : 28 May, 2021

In this article, we are going to see how use the toString() Method in the canvas ActiveSelection using FabricJS, it used to fill an object. The canvas ActiveSelection means the ActiveSelection is movable and can be stretched according to requirements. Further, the ActiveSelection can be customized when it comes to initial stroke color, height, width, fill color, or stroke width.

The toString() Method returns string representation of a group.

Approach: First import the fabric.js library. After importing the library, create a canvas block in the body tag which will contain the ActiveSelection. After this, initialize an instance of Canvas and ActiveSelection class provided by Fabric.JS and use the toString() method.

Syntax:

ActiveSelection.toString()

Parameters: This function does not take any parameter.



Return Value: This method returns the object value that returns string representation of a group.

Example: This example uses FabricJS to set the toString() method of the canvas ActiveSelection as shown in the below 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 | ActiveSelection toString() method
        </b>
  
    </div>
  
    <div style="text-align: center;">
        <canvas id="canvas" width="500" height="500" 
            style="border:1px solid green;">
        </canvas>
    </div>
  
    <img src=
        width="100" height="100"
        id="my-image" style="display: none;">
  
    <script>
        var canvas = new fabric.Canvas("canvas");
  
        // Getting the image 
        var img = document.getElementById('my-image');
  
        // Creating the image instance 
        var geek = new fabric.Image(img, {
        });
  
        canvas.add(geek);
  
        var geek = new fabric.IText('GeeksforGeeks', {
        });
        canvas.add(geek);
        canvas.centerObject(geek);
  
        var gfg = new fabric.ActiveSelection(
            canvas.getObjects(), {
        });
  
        canvas.setActiveObject(gfg);
        canvas.requestRenderAll();
        canvas.centerObject(gfg);
        console.log(gfg.toString())
    </script>
</body>
  
</html>

Output:




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