In this article, we are going to see how to set the flipY of a Group of the canvas using Fabric.js. The Group in Fabric.js is movable and can be stretched according to requirements. Further, the Group can be customized when it comes to initial stroke color, height, width, fill color, or stroke width.
Approach:
- To make it possible we are going to use a JavaScript HTML5 canvas library called Fabric.js.
- After importing the library, we will create a canvas block in the body tag that will contain the Group.
- After this, we will initialize instances of Canvas and Group provided by Fabric.js and vertically flip the canvas Group using the flipY property.
Syntax:
fabric.Group([canvas1, canvas2], {
flipY: Boolean
});Parameters: This property accepts a single parameter as mentioned above and described below:
- flipY : It specifies that the object flip vertically .
Below examples illustrate the use of Fabric.js Group flipY property in JavaScript:
Example 1:
HTML
<!DOCTYPE html> <html>
<head>
<!-- FabricJS CDN -->
<script src=
</script>
</head>
<body>
<div style="text-align: center;width: 400px;">
<h1 style="color: green;">
GeeksforGeeks
</h1>
<b>
Fabric.js | Group flipY Property
</b>
</div>
<div style="text-align: center;">
<canvas id="canvas" width="500" height="300"
style="border:1px solid green;">
</canvas>
</div>
<script>
// Initiate a Canvas instance
var canvas = new fabric.Canvas("canvas");
// Initiate a circle instance
var circle = new fabric.Circle({
radius: 100,
fill: 'lightgreen',
scaleY: 0.6,
originX: 'center',
originY: 'center'
});
// Initiate a text instance
var text = new fabric.Text('GeeksforGeeks', {
fontSize: 25,
originX: 'center',
originY: 'center'
});
// Initiate a Group instance
var group = new fabric.Group([ circle, text ], {
flipY: true
});
// Render the Group in canvas
canvas.add(group);
// Center the Group in canvas
canvas.centerObject(group);
</script>
</body>
</html>
|
Output:
Example 2:
HTML
<!DOCTYPE html> <html>
<head>
<!-- FabricJS CDN -->
<script src=
</script>
</head>
<body>
<div style="text-align: center;width: 400px;">
<h1 style="color: green;">
GeeksforGeeks
</h1>
<b>
Fabric.js | Group flipY Property
</b>
</div>
<div style="text-align: center;">
<canvas id="canvas" width="500" height="300"
style="border:1px solid green;">
</canvas>
</div>
<script>
// Initiate a Canvas instance
var canvas = new fabric.Canvas("canvas");
// Initiate a circle instance
var circle = new fabric.Circle({
radius: 100,
fill: 'lightgreen',
scaleY: 0.6,
originX: 'center',
originY: 'center'
});
// Initiate a text instance
var text = new fabric.Text('GeeksforGeeks', {
fontSize: 25,
originX: 'center',
originY: 'center'
});
// Initiate a Group instance
var group = new fabric.Group([ circle, text ], {
flipY: false
});
// Render the Group in canvas
canvas.add(group);
// Center the Group in canvas
canvas.centerObject(group);
</script>
</body>
</html>
|
Output: