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ID: 13752, RGB Colors

by Earl F. Glynn Email:

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For Delphi, Version 3.0  to 4.0 502 downloads
Copyright: Commercial use requires permission

Size: 184,861 bytes
Updated on Fri, 13 Aug 1999 00:00:00 GMT
Originally uploaded on Fri, 13 Aug 1999 00:00:00 GMT
SHA1 Hash: 8F251D3A85FA7ED8AEF01126C82589037255BC76
MD5 Hash: 73E712C36E6A1D0024DE8B7C6794C711

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This program displays any of the 16.8 million (exactly 256^3) RGB colors possible with 24-bit color graphics.

TrackBars are used to control the Red, Green and Blue components of a color.

Colors may dither in 256 color mode.

The 20 Windows colors that never dither in 256-color mode can be selected in a combobox. The ColorToString function from the Graphics unit displays the color name (or hex value).

Windows device and raster capabilities are displayed in a memo box.

For additional details see the "Lab Report" at

Keywords: RGB, non-dither system palette colors, Color Depth, Palette Device, GetDeviceCaps, Raster Capabilities, ColorToString, GetRValue, GetGValue, GetBValue

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