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How to create a canvas with text cursor using FabricJS?
In this article, we are going to create a canvas with a text cursor using FabricJS. A text cursor indicates text which can be selected. text is one of the native cursor style available which can be used in the FabricJS canvas too. FabricJS provides various types of cursors like default, all-scroll, crosshair, col-resize, row-resize, etc., that reuse the native cursor under the hood. Each of these cursors look slightly different based on operating system.
Syntax
new fabric.Canvas(element: HTMLElement|String, { defaultCursor: String }: Object)Parameters
element − This parameter is the <canvas> element itself which can be derived using document.getElementById() or the id of the <canvas> element itself. The FabricJS canvas will be initialized on this element.
options (optional) − This parameter is an Object which provides additional customizations to our canvas. Using this parameter color, cursor, border width and a lot of other properties can be changed related to the canvas, of which defaultCursor is a property with which we can set the type of cursor.
Example 1
The defaultCursor property accepts a String which determines the name of the cursor to be used on the canvas. We will set it to text to use the text cursor. Let's see a code to create a canvas with a text cursor in FabricJS.
<!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>Canvas with text cursor using FabricJS</h2>
<p>Bring the cursor inside the canvas to see the changed shape of cursor</p>
<canvas id="canvas"></canvas>
<script>
// Initiate a canvas instance
var canvas = new fabric.Canvas("canvas", {
defaultCursor: "text"
});
canvas.setWidth(document.body.scrollWidth);
canvas.setHeight(250);
</script>
</body>
</html>Example 2
In this example, we will add a circle to the canvas also along with the text cursor.
<!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>Canvas with text cursor using FabricJS</h2>
<p>Here we have added a circle to the canvas along with a text cursor</p>
<canvas id="canvas"></canvas>
<script>
//Initiate a canvas instance
var canvas = new fabric.Canvas("canvas", {
defaultCursor: "text"
});
// Initiate a Circle instance
var circle = new fabric.Circle({
radius: 50,
fill: "green"
});
// Render the circle in canvas
canvas.add(circle);
canvas.setWidth(document.body.scrollWidth);
canvas.setHeight(250);
</script>
</body>
</html>
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