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Fabric.js | Rect minScaleLimit Property

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  • Last Updated : 25 May, 2020

In this article, we are going to set the minimum scale limit of a canvas rectangle using FabricJS so that size cannot be scaled-down than that limit. The canvas rectangle means rectangle is movable and can be stretched according to requirement. Further, the rectangle 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, we will create a canvas block in the body tag which will contain the rectangle. After this, we will initialize instances of Canvas and Rect provided by FabricJS and set minimum scale limit of the rectangle using minScaleLimit property and render the Rect on the Canvas as given in the below example.


    width: number,
    height: number,
    minScaleLimit: number

Parameters: This function accepts three parameters as mentioned above and described below:

  • width: It specifies the width of rectangle.
  • height: It specifies the height of rectangle.
  • minScaleLimit: This parameter specifies the minimum scale limit.

Example: This example uses FabricJS to set the minimum scale limit of a canvas rectangle.

<!DOCTYPE html> 
        Fabric.js | Rect minScaleLimit Property
    <!-- Adding the FabricJS library -->
    <script src= 
     <div style="text-align: center;width: 600px;">  
        <h1 style="color: green;">  
            Fabric.js | Rect minScaleLimit Property  
    <canvas id="canvas" width="600" height="200"
        style="border:1px solid #000000"
        // Initiate a Canvas instance 
        var canvas = new fabric.Canvas("canvas"); 
        // Initiate a Rect instance 
        var rectangle = new fabric.Rect({ 
            width: 200,
            height: 100,
            fill: ''
            stroke: 'green',
            strokeWidth: 3,
            minScaleLimit: 1.5
        // Render the Rect in canvas 


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