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DirectDraw
- DirectDraw的高性能表面,DDraw是面向表面的作图系统,所谓面向表面就是说所有作图不是只是针对屏幕(显存)的,而是针对一块作图区域,你可以在作图区域上面画点,线绘图片然后可以在区域与区域之间拷贝图形,这种作图区域在微软的DirectX中被叫做表面(Surface),在其他开发包中被叫做位图(Bitmap)或者图层(Layer),总之都可以称为面向表面的作图系统,这是最灵活高效的作图方式。-High-performance DirectDraw surface, DDraw surfac
spsgraph
- This a set of 32 bit Delphi components and classes for 2D plot. It is relatively simple. It is more gauge then presentation element. For more details see SGraph.htm in \doc subdirectory or look it on my home page for the latest version.-This is a set
