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The next step is to create the RolloverIcon class that is able to wrap an original icon and paint it with the desired graphics effect shown in Figure 1.

下一步是创建能够将初始图标包装起来并用图1所示的图形效果给图标着色的rollovericon类。

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Let's start with a graphics environment object and an interface called GraphicsObject implemented by a line class that draws lines.

让我们首先来看一个图形环境对象和一个名为GraphicsObject的接口，它是使用一个line类实现的，功能就是用来画线。

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Kindle Fire HD features a world-class processor and the new Imagination Technologies graphics engine for lightning-fast HD graphics and excellent fluidity.

ENGADGET: Kindle Paperwhite and two Fires up for pre-order in Japan, Kindle Store opens there tomorrow

The company has just unveiled the 8900M series, an adaptation of its Graphics Core Next architecture for desktop replacement-class gaming laptops.

ENGADGET

There's a bit of a surprise inside the expansion dock: by laying the M2432 on top of it, not only are you adding six extra USB 2.0 ports plus DVI-out and another HDMI-out, but you're also kicking up its graphics power with the built-in desktop-class NVIDIA GeForce GT 440 with 1GB video RAM.

ENGADGET: Gigabyte M2432 laptop with GeForce GT 440 graphics card dock hands-on