Raster operation codes define how GDI combines colors in output operations that involve a current brush, a possible source bitmap, and a destination bitmap.
光栅操作模式说明了GDI是如何组合输出操作中的颜色，包括当前画刷、可能的源位图和目标位图。
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.
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。
Secondly, fuzzy theory and fuzzy control is introduced generally. Then, the computer control system of electrolytic cleaning line and brush roll motor current load fuzzy control system are designed.
其次对模糊理论及模糊控制进行了综述，接着介绍了电解清洗线计算机控制的系统设计，并设计了刷辊的电流负荷模糊控制系统。
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