Currently, I am working on a painting application in JavaScript that utilizes the Canvas Object. I would like to customize the mouse cursor when it hovers over the Canvas object. Can anyone advise me on how to accomplish this?
Currently, I am working on a painting application in JavaScript that utilizes the Canvas Object. I would like to customize the mouse cursor when it hovers over the Canvas object. Can anyone advise me on how to accomplish this?
You can achieve this using CSS.
canvas {
cursor: url(cursor.cur), url(cursor.gif), auto;
}
Internet Explorer, Firefox, Safari, and Chrome will display the .cur file as the cursor. The GIF (or a PNG) is meant for browsers that do not support the .cur file (although it's uncertain if such browsers exist). Custom cursors are not supported by Opera.
The image size should be 32x32 pixels or smaller. This limitation comes from the (Windows) operating system, not the browser.
For more information, consult Quirksmode's CSS compatibility tables http://www.quirksmode.org/css/cursor.html
Are you in possession of a custom cursor .cur file?
If you want to customize the appearance of your cursor within your Canvas object, you can include a style attribute specifying how it should be displayed. This can be achieved using a custom CSS cursor.
style="cursor: url(mycursor.cur);"
- Internet Explorer requires a .cur file format for the cursor.
- Firefox needs an additional non-URL value, such as cursor: url(pix/cursor_ppk.gif), auto.
- The image size must not exceed 32x32 pixels due to (Windows) OS limitations, not browser restrictions.
As mentioned on CSS2 - Cursor styles, this method is supported by IE5.5+, Firefox, Safari, and Chrome. It is not compatible with Opera and Konqueror 3.5.7.
Discover a solution here: . While it may not be compatible with Opera, it functions well with IE, Firefox, Safari, and Chrome.
For those using Opera, I have shared a workaround using JavaScript in this post: Custom Cursor in CSS for Opera Users
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