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Fabric.js Polyline skewX Property

  • Last Updated : 24 Jan, 2021

In this article, we are going to see how to set the horizontal skew of a canvas Polyline using Fabric.js. The Polyline in Fabric.js 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 Fabric.js. After importing the library, we will create a canvas block in the body tag which will contain the Polyline. After this, we will initialize instances of Canvas and Polyline provided by Fabric.js, set the horizontal skew of the Polyline using the skewX property, and render the Polyline on the Canvas as given in the example below.

Syntax:

var polyline = new fabric.Polyline(Points, {  
    skewX: number
});  

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

  • skewX: It specifies the horizontal skew angle in degrees.

The below example illustrates the skewX property in Fabric.js:



Example:

HTML




<html>
<head>
  <!-- Loading the FabricJS library -->
  <script src=
  </script>
</head>
<body>
  <div style="text-align: center;width: 600px;">
    <h1 style="color: green;">
      GeeksforGeeks
    </h1>
    <b>
      Fabric.js | Polyline skewX Property
    </b>
  </div>
  <canvas id="canvas" width="600" height="200"
          style="border:1px solid #000000;">
  </canvas>
  <script>
  
    // 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
      }], {
      stroke: 'green',
      strokeWidth: 3,
      fill: 'yellow',
      skewX: 45
    });
  
    // Render the polyline in canvas 
    canvas.add(polyline); 
  </script>
</body>
</html>

Output:




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