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Fabric.js Image hasBorders Property

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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 hasBorders property of the image is used to enable or disable the rendering of the borders 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 then use the hasBorders property to enable or disable the borders of the canvas image. After this render the image on the canvas.

Syntax:

fabric.Image(image, {
    hasBorders : Boolean
});

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

  • image: This parameter takes the image element.
  • hasBorders: This parameter takes a boolean value to enable or disable the borders rendering on the canvas.

Example: This example uses FabricJS to enable or disable the borders rendering as shown in the below given example.

HTML

<!DOCTYPE html> 
<html
   
<head
    <!-- Adding the FabricJS library -->
    <script src
    </script
</head
    
<body
    <h1 style="color: green;">
        GeeksforGeeks
    </h1
    <b>
        Fabric.js | Image hasBorders  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;">
    <br>
    
    <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, {
        });
        
        function hasBorders (){
            imgInstance = new fabric.Image(img, {
                hasBorders : false
            });
            canvas.clear();
            // Rendering the image to canvas
            canvas.add(imgInstance);
        }
        hasBorders ();
    </script
</body
    
</html>

                    

Output:



Last Updated : 31 Aug, 2020
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