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Fabric.js Polygon excludeFromExport Property

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  • Last Updated : 17 Jan, 2021
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In this article, we are going to see how to disable the export of the canvas Polygon using FabricJS. The canvas Polygon means Polygon is movable and can be stretched according to requirement. Further, the Polygon 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 Polygon. After this, we will initialize instances of Canvas and Polygon provided by FabricJS and disable the canvas click movement property of canvas Polygon using excludeFromExport property and render the Polygon on the Canvas as given below.


    { x: pixel, y: pixel },
    { x: pixel, y: pixel },
    { x: pixel, y: pixel},
    { x: pixel, y: pixel},
    { x: pixel, y: pixel }],
    { excludeFromExport : boolean }

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

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

The below example illustrate the excludeFromExport property in Fabric.js:



<!DOCTYPE html> 
    <!-- Loading the FabricJS library -->
    <script src
    <div style="text-align: center;width: 600px;"
        <h1 style="color: green;"
            Fabric.js | Polygon excludeFromExport Property 
    <canvas id="canvas"
            style="border:1px solid #000000;"
        // Initiate a Canvas instance 
        var canvas = new fabric.Canvas("canvas"); 
        // Initiate a polygon instance 
        var polygon = new fabric.Polygon([ 
            { x: 295, y: 10 }, 
            { x: 235, y: 198 }, 
            { x: 385, y: 78}, 
            { x: 205, y: 78}, 
            { x: 355, y: 198 }], { 
                stroke: 'green', 
                strokeWidth: 3, 
                cornerStyle: 'circle', 
                excludeFromExport: false,
                evented: false
        // Render the polygon in canvas 


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