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Fabric.js Triangle excludeFromExport Property

  • Last Updated : 22 Jan, 2021
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In this article, we are going to see how to disable the export of the canvas Triangle using FabricJS. The canvas Triangle means Triangle is movable and can be stretched according to requirement. Further, the Triangle can be customized when it comes to initial stroke color, height, width, fill color, or stroke width.

To make this 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 Triangle. After this, we will initialize instances of Canvas and Triangle provided by FabricJS and disable the canvas click movement property of canvas Triangle using excludeFromExport property and render the Triangle on the Canvas as given below.

Syntax:

fabric.Triangle({
    width: number,
    height: number,
    excludeFromExport: boolean
});

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

  • excludeFromExport: When `true`, the object is not exported in OBJECT/JSON.

The below example illustrates the excludeFromExport in Fabric.js:



Example:

HTML




<!DOCTYPE html> 
<html
  
<head
    <!-- Adding the FabricJS library --> 
    <script src
    </script
</head
  
<body
    <center
        <h1 style="color: green;"
            GeeksforGeeks 
        </h1
          
        <b
            Fabric.js | Triangle excludeFromExport Property 
        </b
          
        <canvas id="canvas" width="600" height="300"
            style="border:1px solid #000000"
        </canvas
    </center
    <script
      
        // Initiate a Canvas instance 
        var canvas = new fabric.Canvas("canvas"); 
  
        // Initiate a triangle instance 
        var triangle = new fabric.Triangle({ 
            width: 300, 
            height: 150, 
            fill: '', 
            stroke: 'green', 
            strokeWidth: 3,
            excludeFromExport : 'false' 
        }); 
  
        // Render the Triangle in canvas 
        canvas.add(triangle); 
        canvas.centerObject(triangle); 
    </script
</body
  
</html>

Output:

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