填充区域-无论什么时候一系列的直线或曲线封闭一块区域，你都可以使得那个区域被用当前的GDI画刷对象填充。

Filled areas Whenever a series of lines or curves encloses an area, you can cause that area to be filled with the current GDI brush object.

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关闭路径中任何打开的图表，使用当前笔点路径外线，使用当前画刷填充它内部。

Closes any open figures in a path, strikes the outline of the path by using the current pen, and fills its interior by using the current brush.

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此刻蒙版该层&填充黑色，然后白色笔刷画云的部门，你也许能透过此步操作看见很差劲的像素，快利用钤记工具盖上他们。

Now mask the layer and fill it with black. Then with a white brush draw over the clouds. As you can see my clouds get some really ugly pixels so I used the Clone Tool (S) to cover them up.

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