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Fabric.js Polygon strokeMiterLimit Property

  • Last Updated : 20 Jan, 2021

In this article, we are going to see how to set the strokeMiterLimit of the canvas polygon using FabricJS, it used to fill an object. The canvas polygon means the polygon is movable and can be stretched according to requirements. Further, the polygon 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 polygon. After this, we will initialize instances of canvas and polygon provided by FabricJS and set the strokeMiterLimit color of the canvas triangle using strokeMiterLimit property, and render the polygon on the Canvas as given in the below example.

Syntax:

fabric.Polygon([  
    { x: pixel, y: pixel },  
    { x: pixel, y: pixel },  
    { x: pixel, y: pixel},  
    { x: pixel, y: pixel},  
    { x: pixel, y: pixel }],
    {
        strokeMiterLimit :Number
    }
);

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

  • strokeMiterLimit: Maximum miter length (used for strokeLineJoin = “miter”) of an object’s stroke.

Note: Dimension pixels must create a polygon.



Example: Below examples illustrate the Fabric.JS Polygon strokeMiterLimit in JavaScript.

HTML




<!DOCTYPE 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 | Polygon strokeMiterLimit 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 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,
            strokeLineJoin: 'round',
            strokeMiterLimit: 0.1
        });
  
        // Render the polygon in canvas 
        canvas.add(polygon);
    </script>
</body>
  
</html>

Output:




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