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Graphic Blitting Engine (Basic)

BlitEngine is a 'mini graphic engine' suitable for games. It uses no DirectX - these are pure GDI API calls. It illustrates several concepts, including transparent blitting, 'dirty rectangle' processing, double buffering, multiple on-screen sprites on the screen, loading pictures into memory bitmaps instead of picture boxes, 8-bit vs. 24-bit color, 'inverse masks' which enable transparency, tracking frames per second, animating graphics on the screen, implementing a 'demo' mode, and more.
With this app, I get 42 frames per second on a 233 mhz Pentium and 140 frames per second on a 350 mhz Compaq. What speed do YOU get, on what machine?

Inputs
2 files, one for the background, one for the moving picture.

Returns
Animated graphics on screen.

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