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Fabric.js Polyline fill Property

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  • Last Updated : 01 Sep, 2020

In this article, we are going to see how to set the fill color of the canvas polyline using FabricJS. The canvas polyline means the polyline is movable and can be stretched according to requirement. Further, the polyline 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 that will contain the polyline. After this, we will initialize instances of Canvas and polyline provided by FabricJS and set the fill color of the canvas polyline using fill property and render the polyline on the Canvas as given in the below example.

Syntax :

var polyline = new fabric.Polyline(Points, { 
            fill: string

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

  • Points: It holds the starting and ending coordinates for all the points of the polyline.
  • fill: It specifies the color to fill the polyline.

Example :


<!DOCTYPE html> 
        Fabric.js | Polyline fill Property 
    <!-- Loading the FabricJS library -->
    <script src
        <div style="text-align: center;width: 600px;"
        <h1 style="color: green;"
            Fabric.js | Polyline fill Property 
    <canvas id="canvas"
            style="border:1px solid #000000;"
        // Initiate a Canvas instance 
        var canvas = new fabric.Canvas("canvas"); 
        // Initiate a Polyline instance 
        var polyline = new fabric.Polyline([ 
        { x: 200, 
            y: 10  }, 
        {x: 250, 
            y: 50 
        }, { 
            x: 250, 
            y: 180 
        }, { 
            x: 150, 
            y: 180 
        }, { 
            x: 150, 
            y: 50 
        }, { 
            x: 200, 
            y: 10  }], { 
            fill: 'green',
        // Render the Polyline in canvas 

Output :

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