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Articles by Rahul Gurung
Page 16 of 49
How to set the border opacity of Textbox while moving using FabricJS?
In this tutorial, we are going to set the border opacity of a Textbox while moving 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. We can change the opacity of the border of a textbox while moving it around in the canvas by using the borderOpacityWhenMoving property. Syntax new fabric.Textbox(text: String, { borderOpacityWhenMoving: Number }: Object) Parameters text − This parameter accepts a String ...
Read MoreFabricJS – How to get the image element on which the current instance is based on?
In this tutorial, we are going to learn how to get the image element on which the current instance is based on using FabricJS. We can create an Image object by creating an instance of fabric.Image. Since it is one of the basic elements of FabricJS, we can also easily customize it by applying properties like angle, opacity etc. In order to get the image element on which the current instance is based on, we use the getElement method. Syntax getElement(): HTMLImageElement Using the getElement Method In this example, we have used the getElement ...
Read MoreHow to create a canvas with progress cursor using FabricJS?
In this article, we are going to create a canvas with a progress cursor using FabricJS. A progress cursor indicates that a program is busy in the background but allows the user to interact with the interface. progress 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., which are reusing 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 }: ...
Read MoreHow to set the horizontal and vertical radius of an Ellipse using FabricJS?
In this tutorial, we are going to learn how to set the horizontal and vertical radius of an Ellipse using FabricJS. Ellipse is one of the various shapes provided by FabricJS. In order to create an ellipse, we will have to create an instance of fabric.Ellipse class and add it to the canvas. We can customize an ellipse object by specifying its position, color, opacity and dimension. However, the most important properties are rx and ry which allow us to assign the horizontal and vertical radius of Ellipse. Syntax new fabric.Ellipse({ rx : Number, ry: Number }: ...
Read MoreHow to create a Triangle with crosshair cursor on moving objects using FabricJS?
In this tutorial, we are going to create a Triangle with a crosshair cursor on moving objects using FabricJS. The crosshair is one of the native cursor styles 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. The moveCursor property sets the style of the cursor when the object is moved around in the canvas. This property is useful for providing visual feedback to users about the current ...
Read MoreHow to set the border scale factor of Textbox using FabricJS?
In this article, we are going to set the border scale factor of 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. We can use the borderScaleFactor property which specifies the scale factor of the object's controlling borders. Syntax new fabric.Textbox(text: String, { borderScaleFactor: Number }: Object) Parameters text − This parameter accepts a String which is the text string ...
Read MoreHow to change the selection color of text in IText using FabricJS?
In this tutorial, we are going to learn about how to change the selection color of text in IText using FabricJS. The IText class was introduced in FabricJS version 1.4, extends fabric.Text and is used to create IText instances. An IText instance gives us the freedom to select, cut, paste or add new text without additional configurations. There are also various supported key combinations and mouse/touch combinations which make text interactive which are not provided in Text. Textbox, however, which is based on IText allows us to resize the text rectangle and wraps lines automatically. This is not true ...
Read MoreHow to get the object scale factor of Image using FabricJS?
In this tutorial, we are going to learn how to get the object scale factor of Image using FabricJS. We can create an Image object by creating an instance of fabric.Image. Since it is one of the basic elements of FabricJS, we can also easily customize it by applying properties like angle, opacity etc. In order to get the object scale factor of Image, we use the getObjectScaling method. Syntax getObjectScaling(): Object Parameters The getObjectScaling method does not take any parameters. Return Value This method returns an object containing the scale factors: ...
Read MoreHow 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. The text cursor is one of the native cursor styles available which can be used in the FabricJS canvas. 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 ...
Read MoreHow to hide the controlling borders of a Circle using FabricJS?
In this tutorial, we are going to learn how to hide the controlling borders of a Circle using FabricJS. Circle is one of the various shapes provided by FabricJS. In order to create a circle, we will create an instance of fabric.Circle class and add it to the canvas. We can customize our controlling borders in many ways such as adding a specific colour to it, a dash pattern etc. However, we can also eliminate the borders completely by using the hasBorders property. Syntax new fabric.Circle({ hasBorders: Boolean }: Object) Parameters ...
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