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A sample of a fast supersampling algorithm to build an antialiased image. It also demonstrates the use of TBitmap.ScanLine to speed up acces to a bitmap's individual pixels.





A simple program that demonstrates how to get the negative of an image. It also demonstrates the use of TBitmap.ScanLine to fast pixel access. Note: the GDI API InvertRect() may be faster...Updated with a suggestion from Kerstin Thaler.