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Fabric.js line transparentCorners Property

  • Last Updated : 24 Jan, 2021

In this article, we are going to use transparentCorners property to set the transparency of the corner in the canvas line in FabricJS. The canvas line means the line is movable and can be stretched according to requirement. Further, the line can be customized when it comes to initial stroke color, height, width, fill color, or stroke width.

Syntax:

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fabric.line({
  ransparentCorners: boolean
});

Approach: To make this 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 which will contain the line. After this, we will initialize instances of Canvas and line provided by FabricJS and set the transparency of the corner in the canvas line using transparentCorners Property, and render the line on the Canvas as given below.

Parameters: This property holds a single value as mentioned above and described below:



  • transparentCorners : It specifies the transparency of the corner in the canvas line. It contains a boolean value.

Example 1:

HTML




<!DOCTYPE html> 
<html
  
<head
   <script src
   </script
</head
  
<body
   <h1>fabric.js | line transparentCorners property</h1>
   <canvas id="canvas" width="600" height="200"
      style="border:1px solid #000000;"
   </canvas
     
   <script
      var canvas = new fabric.Canvas("canvas");
      var line = new fabric.Line([150, 10, 220, 150], { 
         stroke: 'green',
         transparentCorners : true
      }); 
   
      canvas.add(line); 
   </script
</body
  
</html>

Output:

Example 2:

HTML




<!DOCTYPE html> 
<html
  
<head
   <script src
   </script
</head
  
<body
   <h1>fabric.js | line transparentCorners property</h1>
   <canvas id="canvas" width="600" height="200"
      style="border:1px solid #000000;"
   </canvas
     
   <script
      var canvas = new fabric.Canvas("canvas"); 
      var line = new fabric.Line([150, 10, 220, 150], { 
         stroke: 'green',
         transparentCorners : false
      }); 
   
      canvas.add(line); 
   </script
</body
  
</html>

Output:




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