To the right of the Stage is a Layers panel for DOM elements.

在Stage窗口右侧是DOM元素的布局面板。

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To create the mask click on the Add vector mask button at the bottom of the Layers Panel.

要创建蒙版，需点击图层面板下添加矢量蒙版按钮。

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Click on the Paths tab at the top of the Layers Panel and Ctrl/Cmd-click on the work path.

点击图层面板顶端的路径标签，然后按住Ctrl/Cmd键单击动作路径。

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Look what we have here, possibly in the nick of time: it's a newly granted Apple patent for a screen with in-cell touch, where the LCD and touch recognition are integrated into one panel instead of stacking up in separate layers.

ENGADGET: Apple gets patent for in-cell touch display with impeccable timing

The flat panel displays, which make kaleidoscopic colors when jabbed with a finger, contain liquid crystal sandwiched between layers of glass or plastic which becomes opaque with an electric current.

FORBES: Machida's Sharp Sees Shortage In LCDs

There's also been talk of Apple using a thinner, better panel that would likely use in-cell touch rather than stack the LCD and touch surfaces in separate layers.

ENGADGET: iPhone 5: the rumor roundup Mobile