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How to change the font style of a Textbox using FabricJS?
In this tutorial, we are going to see how to change the font style of a Textbox using FabricJS. We can customize, stretch or move around the text written in a textbox. In order to create a textbox, we will have to create an instance of fabric.Textbox class and add it to the canvas. Font style refers to the style of characters typed within a textbox.
Syntax
new fabric.Textbox(text: String, { fontStyle: String }: Object)Parameters
text − This parameter accepts a String which is the text string that we want to display inside our textbox.
- options (optional) − This parameter is an Object which provides additional customizations to our textbox. Using this parameter, properties such as colour, cursor, stroke width, and a lot of other properties can be changed related to the object of which fontStyle is a property.
Options Keys
fontStyle − This property accepts a String which allows us to set the typeface variation of the text inside our textbox. The possible values are "normal", "italic" and "oblique" which are explained below −
normal − The text displays the normal font style. This is also the default.
italic − The text is displayed as cursive and slants to the right.
oblique − The text is displayed as the sloped version of the normal typeface. It usually looks similar to italic but an italic is a special version of the font, whereas an oblique version is just the regular version inclined a bit.
Example 1
Passing the fontStyle property as key with the value as "oblique"
Let’s see a code example to understand how our textbox object would appear when the fontStyle property is used as key with a value as "oblique".
<!DOCTYPE html>
<html>
<head>
<!-- Adding the Fabric JS Library-->
<script src="https://cdnjs.cloudflare.com/ajax/libs/fabric.js/510/fabric.min.js"></script>
</head>
<body>
<h2>Passing the fontStyle property as key with the value as "oblique"</h2>
<p>You can see that the text is oblique</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 textbox object
var textbox = new fabric.Textbox("Good things happen to those who hustle.", {
backgroundColor: "#fff8dc",
width: 400,
left: 50,
top: 70,
fill: "#cf3476",
fontStyle: "oblique",
});
// Add it to the canvas
canvas.add(textbox);
</script>
</body>
</html>Example 2
Passing the fontStyle property as key with the value as "italic"
In this example, we are passing the fontStyle property as key, with a value as "italic". This means that our textbox object will be rendered with text that is slanted to the right.
<!DOCTYPE html>
<html>
<head>
<!-- Adding the Fabric JS Library-->
<script src="https://cdnjs.cloudflare.com/ajax/libs/fabric.js/510/fabric.min.js"></script>
</head>
<body>
<h2> Passing the fontStyle property as key with the value as "italic"</h2>
<p>You can see that the text is italic</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 textbox object
var textbox = new fabric.Textbox("Good things happen to those who hustle.", {
backgroundColor: "#fff8dc",
width: 400,
left: 50,
top: 70,
fill: "#cf3476",
fontStyle: "italic",
});
// Add it to the canvas
canvas.add(textbox);
</script>
</body>
</html>
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