使用固定阿尔法混合？
The technology is the alpha blending, and transparency.
采用的技术是alpha混合，透明。编译工具是VC++。
Some of these extensions included different pixel depth formats, alpha blending support in bitmap operations and brushes, anti-aliased primitive rendering and more complex primitive rendering.
这些扩展提供了诸如位图操作，画笔，抗锯齿和越来越复杂的Primitive渲染中不同像素深度格式，AlphaBlend的支持。
The for loop, therefore, reduces the alpha-blending amount in each pass to create an effective fade-out before the program exits.
因此，for循环将在每次呈现时减少阿尔法混合量，以在程序退出前创建有效的淡出效果。
Draws the surface stretched to the indicated region. color is the blending color and alpha indicates the transparency setting.
在指定的区域内延伸绘制表面，颜色是混合色和指定透明度设置的透明(度)。
Draws the surface stretched to the indicated region. color is the blending color and alpha indicates the transparency setting.
在指定的区域内延伸绘制表面，颜色是混合色和指定透明度设置的透明(度)。
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