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Articles by Rahul Gurung
Page 15 of 49
How to set the background colour of selection of Textbox using FabricJS?
In this tutorial, we are going to learn how to set the background colour of selection 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. We can change an object's dimensions, rotate it or manipulate it when it is actively selected. We can change the background colour of selection of Textbox by using the selectionBackgroundColor property. Syntax new fabric.Textbox(text: String, { selectionBackgroundColor : String}: Object) ...
Read MoreHow to change the font style of IText using FabricJS?
In this tutorial, we are going to learn about how to change the font style in IText object 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 for ...
Read MoreHow to create a canvas with a wait cursor using FabricJS?
In this article, we are going to create a canvas with a wait cursor using FabricJS. A wait cursor can be used to indicate a busy program in the background which also stops the user from interacting with the interface. wait 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: ...
Read MoreHow to flip a Circle vertically using FabricJS?
In this tutorial, we are going to learn how we can flip a Circle object vertically using FabricJS. Circle is one of the various shapes provided by FabricJS. In order to create a circle, we will have to create an instance of fabric.Circle class and add it to the canvas. We can flip a circle object vertically using the flipY property. Syntax new fabric.Circle({ flipY: Boolean }: Object) Parameters ...
Read MoreHow to create a Triangle with border colour using FabricJS?
In this tutorial, we are going to create a Triangle with border colour using FabricJS. Triangle is one of the various shapes provided by FabricJS. In order to create a triangle, we will have to create an instance of fabric.Triangle class and add it to the canvas. Since FabricJS is extremely flexible, we are allowed to customize our Triangle object in any way we like. One of the properties that FabricJS provides is borderColor which allows us to manipulate the colour of the border when our object is active. Syntax new fabric.Triangle({ borderColor: String }: Object) ...
Read MoreHow to set the border colour of text object while in editing mode in FabricJS?
In this tutorial, we are going to learn how to set the border color of text object while in editing mode using FabricJS. We can customize a textbox object by adding a fill colour to it, eliminate its borders or even make changes in its dimensions. Similarly, it can be indicated whether a text is editable or not. We can also change the border colour of text object in its editing mode by using the property called editingBorderColor. Syntax new fabric.Textbox(text: String, { editingBorderColor: String }: Object) Parameters ...
Read MoreHow to change the font weight of IText using FabricJS?
In this tutorial, we are going to see how to change the font weight of 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 for IText as ...
Read MoreFabricJS – How to find the real center coordinates of an Image object?
In this tutorial, we are going to learn how to find the real center coordinates of an Image object 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 find the real center coordinates of an Image object, we use the getCenterPoint method. Syntax getCenterPoint(): fabric.Point Using getCenterPoint Method Let's see a code example to see the logged output when the getCenterPoint method is ...
Read MoreHow to create a canvas with a help cursor using FabricJS?
In this article, we are going to create a canvas with a help cursor using FabricJS. The question mark in a help pointer indicates that useful information for the user is present. It is also often accompanied by useful links and can be seen while using a new application. help 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. ...
Read MoreHow to set the height of an Ellipse using FabricJS?
In this tutorial, we are going to learn how to set the height of an Ellipse using FabricJS. Ellipse is one of the various shapes provided by FabricJS. In order to create an ellipse, we will create an instance of fabric.Ellipse class and add it to the canvas. We can manipulate an ellipse object by changing its position, opacity, stroke and also its dimension. FabricJS allows us to control an object's dimensions by using the width and height properties. Syntax new fabric.Ellipse({ height: Number }: Object) Parameters ...
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