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Fabric.js Itext lockScalingFlip Property

  • Last Updated : 29 Jan, 2021

In this article, we are going to see how to lock flipping by scaling a canvas Itext using lockScalingFlip Property FabricJS. So that it can not be inverted by pulling the width to the negative side. The canvas Itext means Itext is movable and can be stretched according to requirement. Further, the Itext 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 library called FabricJS. After importing the library using CDN, we will create a canvas block in the body tag which will contain our Itext. After this, we will initialize instances of Canvas and Itext provided by FabricJS and lock flipping by scaling of the Itext using lockScalingFlip property and render the Itext on the Canvas as given in the example below.

Syntax:

fabric.Itext(Itext, {
      lockScalingFlip: boolean
});

Parameters: This function takes a single parameter as mentioned above and described below.

  • lockScalingFlip: It is a Boolean value that specifies whether to lock flipping by scaling or not.

Example: This example uses Fabric.JS to set the lockScalingFlip property of the canvas Itext 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 | Itext lockScalingFlip Property 
    </b
  </div
  
  <div style="text-align: center;"
    <canvas id="canvas" width="400" height="200"
      style="border:1px solid green;"
    </canvas
  </div
  
  <script
    var canvas = new fabric.Canvas("canvas"); 
  
    var geek = new fabric.IText('GeeksforGeeks', {
        lockScalingFlip : true
    });
    console.log(geek.willDrawShadow())
    canvas.add(geek);
    canvas.centerObject(geek); 
  </script
</body
  
</html>

Output:

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