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/* Copyright (c) 1997 Regents of the University of California */ |
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/* Copyright (c) 1998 Silicon Graphics, Inc. */ |
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/* SCCSid "$SunId$ LBL" */ |
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/* SCCSid "$SunId$ SGI" */ |
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/* |
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* color.h - header for routines using pixel color values. |
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* |
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* 12/31/85 |
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* Must be included after X11 headers, since they declare a BYTE type. |
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* |
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* Two color representations are used, one for calculation and |
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* another for storage. Calculation is done with three floats |
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#define COLXS 128 /* excess used for exponent */ |
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#define WHT 3 /* used for RGBPRIMS type */ |
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typedef unsigned char BYTE; /* 8-bit unsigned integer */ |
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#undef BYTE |
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#define BYTE unsigned char /* 8-bit unsigned integer */ |
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typedef BYTE COLR[4]; /* red, green, blue (or X,Y,Z), exponent */ |
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