In this article, we are going to see how to lock horizontal scaling of a canvas Textbox using lockScalingX property in FabricJS. The canvas means the Textbox is movable and can be stretched according to requirement. Further, the Textbox can be customized when it comes to initial stroke color, fill color, stroke width or radius.
Approach:
- To make it possible we are going to use a JavaScript library called FabricJS.
- After importing the library using CDN, we will create a canvas block in the body tag which will contain our Textbox.
- After this, we will initialize instances of Canvas and Textbox provided by FabricJS and lock horizontal scaling of the Textbox using lockScalingX property and render the Textbox on the Canvas as given in the example below.
Syntax:
fabric.Textbox('text', {
lockScalingX: boolean
});
Parameters: This function accepts only one parameter as mentioned above and described below:
- lockScalingX: It is a boolean value that specifies whether to lock horizontal scaling or not.
Example: We will use FabricJS to lock horizontal scaling of the textbox canvas as shown below.
HTML
<!DOCTYPE html> <html> <head> <!-- Adding the FabricJS library --> <script src= </script> </head> <body> <h1 style="color: green;"> neveropen </h1> <h3> Fabric.js | Textbox lockScalingX 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, lockScalingX: true }); // Render the Textbox in canvas canvas.add(text); canvas.centerObject(text); </script> </body> </html> |
Output:
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