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Fabric.js Textbox paintFirst Property
  • Last Updated : 17 Feb, 2021

In this article, we are going to see how to change the paintFirst property of a canvas Textbox using FabricJS. The canvas Textbox means Textbox is movable and can be stretched according to requirement. Further, the Textbox 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 which will contain the Textbox. After this, we will initialize instances of Canvas and Textbox provided by FabricJS and change the paint first property value of Textbox using paintFirst property and render the Textbox on the Canvas as given in the example below.

Syntax:

fabric.Textbox('text', {
   paintFirst: string
});

Parameters: This function accepts one parameter as mentioned above and described below:

  • paintFirst: It specifies the string value of paintFirst property. The accepted values of this parameter are fill and stroke.

Example: This example uses FabricJS to set the paintFirst property of a canvas textbox.



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<!DOCTYPE html>
<html>
 
<head>
    <!-- Adding the FabricJS library -->
    <script src=
    </script>
</head>
 
<body>
    <h1 style="color: green;">
        GeeksforGeeks
    </h1>
 
    <h3>
        Fabric.js | Textbox paintFirst Property
    </h3>
 
    <canvas id="canvas" width="600" height="300"
        style="border:1px solid #000000">
    </canvas>
 
    <script>
        // Initiate a Canvas instance
        var canvas = new fabric.Canvas("canvas");
 
        // Create a new Textbox instance
        var text = new fabric.Textbox(
            'A Computer Science Portal', {
            width: 500,
            stroke: 'green',
            paintFirst: 'stroke'
        });
 
        // Render the Textbox in canvas
        canvas.add(text);
        canvas.centerObject(text);
    </script>
</body>
 
</html>

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