因此，定义图标大小的惟一的方法就是构建一个全新的图标工厂。

Therefore, the only way to define the size of ICONS is to build a completely new icon factory.

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不过，这种方法实现起来比构建一个全新的图标工厂要容易得多。

However, this is much easier to implement than building a new icon factory.

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利用一个工厂创建的矢量图标有一个好处，那就是它们可以使用当前主题所定义的颜色，而不是预定义的颜色。

Vectorial ICONS created by a factory have the advantage that they can use the colors defined by the current theme instead of predefined colors.

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