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Fabric.js Circle shouldCache() Method

  • Last Updated : 19 Mar, 2021

In this article, we are going to see how to use shouldCache() Method in the canvas Circle using FabricJS, it used to fill an object. The canvas Circle means the Circle is movable and can be stretched according to requirements. Further, the Circle can be customized when it comes to initial stroke color, height, width, fill color, or stroke width.

The shouldCache() Method returns a boolean value that an object should be cached or not in a circle object.

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Approach: First import the fabric.js library. After importing the library, create a canvas block in the body tag which will contain the Circle. After this, initialize an instance of Canvas and Circle class provided by Fabric.JS and use the shouldCache() Method.

Syntax:



circle.shouldCache()

Parameters: This function does not takes any parameter.

Return Value: This method returns a boolean value that an object should be cached or not.

Example: This example uses FabricJS to set the shouldCache() method of the canvas circle as shown in the below example:

HTML




<!DOCTYPE html> 
<html
  
<head
     
   <script src
   </script
</head
  
<body
   <h1 style="color: green;"
      GeeksforGeeks 
   </h1
  
   <h3
      Fabric.js Circle shouldCache() method 
   </h3
  
   <canvas id="canvas" width="600" height="300"
      style="border:1px solid #000000"
   </canvas
  
   <script
  
      var canvas = new fabric.Canvas("canvas"); 
  
      var circle = new fabric.Circle({ 
         radius: 100, 
         fill: 'blue', 
         stroke: 'green', 
         strokeWidth: 3, 
         angle: 30 
      }); 
  
      canvas.add(circle); 
      canvas.centerObject(circle); 
      console.log(circle.shouldCache())
   </script
</body
  
</html>

Output:

Reference: http://fabricjs.com/docs/fabric.Circle.html#shouldCache




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