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Fabric.js Circle getScaledHeight() Method

  • Last Updated : 19 Mar, 2021

In this article, we are going to see how to get the height of an object bounding of a circle object getScaledHeight() 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 getScaledHeight() Method is used to get the height of an object bounding of the object.

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 getScaledHeight() Method.

Syntax:

Circle.getScaledHeight()

Parameters: This function does not takes any parameter.

Return Value: This method returns the number value containing the height of an object bounding of the object.

Example: This example uses FabricJS to set the getScaledHeight() 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 getScaledHeight() 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.getScaledHeight())
   </script
</body
  
</html>

Output:

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


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