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- //----------------------------------------------------------------------------
- // ObjectWindows - (C) Copyright 1992, 1993 by Borland International
- // source\owl\color.cpp
- // Implementation of color classes
- //----------------------------------------------------------------------------
- #include <owl\owlpch.h>
- #include <owl\color.h>
-
- const TColor TColor::Black(0, 0, 0); // 0
- const TColor TColor::LtGray(192, 192, 192); // 7
- const TColor TColor::Gray(128, 128, 128); // 8
- const TColor TColor::LtRed(255, 0, 0); // 9
- const TColor TColor::LtGreen(0, 255, 0); // 10
- const TColor TColor::LtYellow(255, 255, 0); // 11
- const TColor TColor::LtBlue(0, 0, 255); // 12
- const TColor TColor::LtMagenta(255, 0, 255); // 13
- const TColor TColor::LtCyan(0, 255, 255); // 14
- const TColor TColor::White(255, 255, 255); // 15
-
- //
- // These routines converts bit count into a color count and vice versa
- // They also verify that the bit count is one that is supported by windows,
- // ie 1, 4, 8, and 24. If the bit count is not supported, it returns -1
- //
- long _OWLFUNC
- NColors(WORD bitCount)
- {
- if (bitCount == 1 || bitCount == 4 || bitCount == 8)
- return 1 << bitCount;
- else if (bitCount == 24)
- return 0;
- return -1;
- }
-
- WORD _OWLFUNC
- NBits(long colors)
- {
- if (colors <= 2)
- return 1;
- else if (colors <= 16)
- return 4;
- else if (colors <= 256)
- return 8;
- return 24;
- }
-