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ID: 13751, Palette Lab

by Earl F. Glynn Email:

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For Delphi, Version 3.0  to 3.0 374 downloads
Copyright: Commercial use requires permission

Size: 375,573 bytes
Updated on Fri, 13 Aug 1999 00:00:00 GMT
Originally uploaded on Fri, 13 Aug 1999 00:00:00 GMT
SHA1 Hash: BCE658139D001870C1AA3CFF49FC16E61D6A6F39
MD5 Hash: 81A1B141F8A0D2B934E7D68B915AC261

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This program provides a laboratory to experiment with various kinds of Windows palettes for 24-bit color images when displayed in a 256-color video mode.

Processing the WM_QueryNewPalette and WM_PaletteChange messages is necessary if different windows receive focus. The foreground image always looks best. Sometimes the background images can suffer image quality, but this is to ensure the foreground image is displayed correctly.

For additional details see the "Lab Report" at

Keywords: Halftone Palette, Gradient Palette, Optimized Palette, FractInt Color Maps

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