# How to set the size of the controlling corners of Text using FabricJS?

FabricJSJavascriptHTML5 Canvas

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In this tutorial, we are going to learn how to set the size of the controlling corners of Text using FabricJS. The controlling corners of an object allow us to scale, stretch or change its position. We can customize our controlling corners in many ways such as adding a specific colour to it, changing its size etc. We can change the size by using the cornerSize property.

## Syntax

new fabric.Text(text: String, { cornerSize: Number }: Object)


## Parameters

• text − This parameter accepts a String which is the text string that we want to display.

• options (optional) − This parameter is an Object which provides additional customizations to our text. Using this parameter colour, cursor, stroke width and a lot of other properties can be changed related to the object of which cornerSize is a property.

## Options Keys

• cornerSize − This property accepts a Number which allows us to manipulate the size of the controlling corners of a selected object. Its default value is 13.

## Example 1

Default size of the controlling corners

Let’s see a code example that depicts the default size of the controlling corners of a text object when it is actively selected.

<!DOCTYPE html>
<html>
<!-- Adding the Fabric JS Library-->
<script src="https://cdnjs.cloudflare.com/ajax/libs/fabric.js/510/fabric.min.js"></script>
<body>
<h2>Default size of the controlling corners</h2>
<p>You can select the text object to see the default size of the controlling corners</p>
<canvas id="canvas"></canvas>

<script>
// Initiate a canvas instance
var canvas = new fabric.Canvas("canvas");
canvas.setWidth(document.body.scrollWidth);
canvas.setHeight(250);

// Initiate a text object
var text = new fabric.Text("Add Sample Text Here", {
width: 200,
top: 70,
left: 60,
cornerColor: "#87a96b",
});

// Add it to the canvas
</script>
</body>
</html>


## Example 2

Passing cornerSize as key with a custom value

In this example, we are passing the cornerSize property as key with a value of 17. We can see how that changes the size of our controlling corners when the text object is selected.

<!DOCTYPE html>
<html>
<!-- Adding the Fabric JS Library-->
<script src="https://cdnjs.cloudflare.com/ajax/libs/fabric.js/510/fabric.min.js"></script>
<body>
<h2>Passing cornerSize as key with a custom value</h2>
<p>You can select the text object to see the size of the controlling corners</p>
<canvas id="canvas"></canvas>

<script>
// Initiate a canvas instance
var canvas = new fabric.Canvas("canvas");
canvas.setWidth(document.body.scrollWidth);
canvas.setHeight(250);

// Initiate a text object
var text = new fabric.Text("Add Sample Text Here", {
top: 70,
left: 60,
cornerColor: "#87a96b",
cornerSize: 17,
});

// Add it to the canvas
</script>
</body>
</html>

Updated on 14-Sep-2022 11:31:28