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HTML canvas rotate() Method

HTML canvas Reference HTML Canvas Reference

Example

Rotate the rectangle 20 degrees:

YourbrowserdoesnotsupporttheHTML5canvastag.

JavaScript:

var c=document.getElementById("myCanvas");
var ctx=c.getContext("2d");
ctx.rotate(20*Math.PI/180);
ctx.fillRect(50,20,100,50);

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Browser Support

Internet Explorer Firefox Opera Google Chrome Safari

Internet Explorer 9, Firefox, Opera, Chrome, and Safari support the rotate() method.

Note: Internet Explorer 8 and earlier versions, do not support the <canvas> element.


Definition and Usage

The rotate() method rotates the current drawing.

Note: The rotation will only affect drawings made AFTER the rotation is done.

JavaScript syntax: context.rotate(angle);

Parameter Values

Parameter Description Play it
angle The rotation angle, in radians.

To calculate from degrees to radians: degrees*Math.PI/180.
Example: to rotate 5 degrees, specify the following: 5*Math.PI/180
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HTML canvas Reference HTML Canvas Reference

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