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Fabric.js | Ellipse cornerStyle Property

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  • Last Updated : 17 Feb, 2021

In this article, we are going to see how to set the style of controlling corners of canvas ellipse using FabricJS. The canvas means ellipse is movable and can be stretched according to requirement. Further, the ellipse can be customized when it comes to initial stroke color, fill color, stroke width, or radius.
Approach: To make it possible, we are going to use a JavaScript library called FabricJS. After importing the library using CDN, we will create a canvas block in the body tag which will contain our ellipse. After this, we will initialize instances of Canvas and Ellipse provided by FabricJS and set the style of controlling corners of canvas ellipse using cornerStyle property and render the Ellipse on the Canvas as given in the below example.

    rx: number,
    ry: number,
    cornerStyle: string

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

  • rx: It specifies the horizontal radius.
  • ry: It specifies the vertical radius.
  • cornerStyle: It specifies the style of the controlling corners. The accepted values of this parameter are circle and rect.

Example: This example uses FabricJS to set the style of controlling corners of the canvas-like ellipse as given below. You have to click on the object to see the style of controlling corners.


<!DOCTYPE html>
        Fabric.js | Ellipse cornerStyle Property
    <!-- Loading the FabricJS library -->
    <script src=
    <canvas id="canvas" width="600" height="200"
        style="border:1px solid #000000">
        // Initiate a Canvas instance
        var canvas = new fabric.Canvas("canvas");
        // Initiate a Ellipse instance
        var ellipse = new fabric.Ellipse({
            rx: 80,
            ry: 40,
            cornerStyle: 'circle'
        // Render the Ellipse in canvas



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