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Fabric.js Polyline padding Property

  • Last Updated : 02 Feb, 2021

In this article, we are going to see how to change the padding of a canvas polyline using FabricJS. The canvas polyline means the it 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 change the padding of the polyline using padding property and render the Polyline on the Canvas as given in the example below.

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var polyline = new fabric.Polyline(
        padding: number

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

  • points: It holds the starting and ending coordinates for all the points of the polyline.
  • padding: It specifies the padding between controlling border and canvas polyline.

Below example illustrate the Polyline padding Property in JavaScript:



<!DOCTYPE html>
    <!-- Loading the FabricJS library -->
    <script src=
    <div style="text-align:
        center;width: 600px;">
        <h1 style="color: green;">
            Fabric.js | Polyline padding Property
    <canvas id="canvas" width="600" height="300" 
        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: 300,
                y: 60
            }, {
                x: 350,
                y: 110
            }, {
                x: 350,
                y: 230
            }, {
                x: 250,
                y: 230
            }, {
                x: 250,
                y: 110
            }, {
                x: 300,
                y: 60
            }], {
            // Specify the padding to be used
            padding: 45
        // Render the Polyline in canvas 


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