📜  Fabric.js Polyline hoverCursor 属性(1)

📅  最后修改于: 2023-12-03 15:30:42.790000             🧑  作者: Mango

Fabric.js Polyline hoverCursor Property

Introduction

The hoverCursor property of a Fabric.js Polyline enables you to set the cursor that is displayed when the mouse pointer is over the polyline. In this article, we will discuss how to use the hoverCursor property of a Fabric.js Polyline and provide some examples.

Syntax

The syntax for setting the hoverCursor property of a Fabric.js Polyline is as follows:

polyline.hoverCursor = 'cursorType';

Here, polyline is the name of your Polyline object, and cursorType is the type of cursor you want to display when the mouse pointer is over the polyline.

Available cursor types

There are several cursor types that you can use for the hoverCursor property of a Fabric.js Polyline. These include:

  • default
  • crosshair
  • pointer
  • move
  • text
  • wait
  • help

You can also use any valid CSS cursor value for the hoverCursor property.

Examples

Let's look at some examples of how to use the hoverCursor property of a Fabric.js Polyline.

Example 1

In this example, we will set the hoverCursor property of a Polyline to 'pointer' so that the cursor changes to a pointing hand when the mouse pointer is over the polyline.

var canvas = new fabric.Canvas('canvas');

var points = [
  { x: 50, y: 50 },
  { x: 150, y: 50 },
  { x: 100, y: 100 }
];

var polyline = new fabric.Polyline(points, {
  fill: 'transparent',
  stroke: 'black',
  strokeWidth: 2
});

polyline.hoverCursor = 'pointer';

canvas.add(polyline);
Example 2

In this example, we will set the hoverCursor property of a Polyline to a custom cursor value so that the cursor changes to a custom cursor when the mouse pointer is over the polyline.

var canvas = new fabric.Canvas('canvas');

var points = [
  { x: 50, y: 50 },
  { x: 150, y: 50 },
  { x: 100, y: 100 }
];

var polyline = new fabric.Polyline(points, {
  fill: 'transparent',
  stroke: 'black',
  strokeWidth: 2
});

polyline.hoverCursor = 'url(' + custom_cursor.png + '), pointer';

canvas.add(polyline);
Conclusion

The hoverCursor property of a Fabric.js Polyline is a useful feature that allows you to control the cursor that is displayed when the mouse pointer is over the poly line. By using this property, you can enhance the user experience of your application and make it more user-friendly.