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How to change the font style of a text canvas using Fabric.js ?

  • Last Updated : 13 Sep, 2021
Geek Week

In this article, we are going to see how to change the font style of a text canvas using FabricJS. The canvas means text written is movable and can be stretched according to the requirement. Further, the text itself cannot be edited like a textbox.
Approach: To make it possible we are going to use a JavaScript library called FabricJS. After importing the library using CDN, we will create a canvas block in the body tag which will contain our text. After this, we will initialize instances of Canvas and Text provided by FabricJS and use the fontStyle property to change the font style and render the Canvas on the Text as given in the example below.
Syntax: 
 

fabric.Text(text, fontStyle: number); 

Parameters: This function accepts two parameters as mentioned above and described below: 
 

  • text: It specifies the text to be written.
  • fontStyle: It specifies the font style which can be normal, oblique or italic where normal is the default style.

Program: This example uses FabricJS to change font style of a text canvas.
 

html




<!DOCTYPE html>
<html>
 
<head>
    <title>
        How to change the font style of
        a text canvas using Fabric.js?
    </title>
     
    <!-- Loading the FabricJS library -->
    <script src=
    </script>
</head>
 
<body>
    <canvas id="canvas" width="600" height="200"
        style="border:1px solid #000000;">
    </canvas>
     
    <script>
     
        // Create a new instance of Canvas
        var canvas = new fabric.Canvas("canvas");
 
        // Create a new Textbox instance
        var normaltext = new fabric.Text(
                'GeeksforGeeks - Normal', {
            fontStyle: 'normal'
        });
 
        // Create another new Textbox instance
        var obliquetext = new fabric.Text(
                'GeeksforGeeks - Oblique', {
            fontStyle: 'oblique',
            top: 50
        });
 
        // Create another new Textbox instance
        var italictext = new fabric.Text(
                'GeeksforGeeks - Italic', {
            fontStyle: 'italic',
            top: 100
        });
 
        // Render all the Textboxes on Canvas
        canvas.add(normaltext);
        canvas.add(obliquetext);
        canvas.add(italictext);
    </script>
</body>
 
</html>

Output: 
 

 

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