| 摘要 |
Systems and techniques to transform user interface icons. In general, in one implementation, the technique includes: receiving input indicating a change in functional context of a user interface, transforming an icon image based upon the input using a layer of the icon image, the icon image having multiple image layers including a transparency component, and compositing the multiple image layers using the transparency component to form a rendered icon with a changed appearance that reflects the changed functional context of the user interface. Transforming the icon image can involve recoloring a layer of the icon image. Moreover, a software product can include an icon image having multiple pictographic elements distributed among multiple layers, and instructions operable to cause one or more data processing apparatus to perform operations comprising transforming at least one of the layers based upon received input, and rendering the icon image by compositing the layers.
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