CanvasGradient Class Reference
Available in Safari 3.0 and later.
Available in iOS 1.0 and later.
CanvasGradient instances define visual gradients that can be displayed on the HTML canvas element. The
strokeStyle can be set to a
CanvasGradient object. You obtain a
CanvasGradient instance by calling one of the gradient creation methods of the
Adding Color Stops
Adds a color to the gradient.
A number between 0 and 1, inclusive, representing the position on the gradient object where this color appears.
A CSS color.
A gradient is a blend of colors, proceeding from one color stop to the next. You must add a color stop at offset 0 and a color stop at offset 1 before a gradient can be displayed. Adding color stops at 0 and 1 provides a beginning color and an ending color. You may add additional color stops between 0 and 1 to provide intermediate colors.
You cannot add a color stop at the same offset as an existing color stop. To change a color stop, obtain a new gradient instance and add the the color stops that you want.
- Available in Safari 3.0 and later.
- Available in iOS 1.0 and later.
© 2011 Apple Inc. All Rights Reserved. (Last updated: 2011-02-28)