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HydrogenCyanide

Comparing Bitmaps

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I want to know if bitmap1 (a bitmap of an Internet Explorer window, for example) has bitmap2 (a bitmap of the gamedev.net logo, for example) anywhere in it, and where. How do I do this with the Windows API with MSVC++ 6? [Edited by - HydrogenCyanide on December 12, 2004 11:14:21 AM]

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You could compare file names, but that would be easily fooled if the other picture was just renamed. Besides that, you have to compare bitmaps byte by byte to check for exact copies. There are probably some other more complicated ways to check for similiar images with complicated algorithms... But I don't know any :)

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