[ViewVC] Diff of: radiance/src/common/colrops.c

Comparing src/common/colrops.c (file contents):
Revision 2.5 by gregl, Wed Jan 21 12:55:00 1998 UTC vs.
Revision 2.7 by greg, Tue Feb 25 02:47:21 2003 UTC

#	Line 1 \| Line 1
1	–	/* Copyright (c) 1998 Silicon Graphics, Inc. */
2	–
1		#ifndef lint
2	<	static char SCCSid[] = "$SunId$ SGI";
2	>	static const char RCSid[] = "$Id$";
3		#endif
6	–
4		/*
5		* Integer operations on COLR scanlines
6		*/
7
8	+	#include "copyright.h"
9	+
10	+	#include <math.h>
11		#include "color.h"
12
13		#define NULL 0
#	Line 20 \| Line 20 \| *static BYTE g_mant = NULL, g_nexp = NULL;*
20
21		static BYTE (*g_bval)[256] = NULL;
22
23	–	#ifndef pow
24	–	extern double pow();
25	–	#endif
23
24	<
24	>	int
25		setcolrcor(f, a2) /* set brightness correction */
26		double (*f)();
27		double a2;
#	Line 46 \| Line 43 \| double a2;
43		}
44
45
46	+	int
47		setcolrinv(f, a2) /* set inverse brightness correction */
48		double (*f)();
49		double a2;
#	Line 71 \| Line 69 \| double a2;
69		}
70
71
72	+	int
73		setcolrgam(g) /* set gamma conversion */
74		double g;
75		{
#	Line 80 \| Line 79 \| double g;
79		}
80
81
82	+	int
83		colrs_gambs(scan, len) /* convert scanline of colrs to gamma bytes */
84		register COLR *scan;
85		int len;
#	Line 129 \| Line 129 \| int len;
129		}
130
131
132	+	int
133		gambs_colrs(scan, len) /* convert gamma bytes to colr scanline */
134		register COLR *scan;
135		int len;
#	Line 165 \| Line 166 \| int len;
166		}
167
168
169	+	void
170		shiftcolrs(scan, len, adjust) /* shift a scanline of colors by 2^adjust */
171		register COLR *scan;
172		register int len;
#	Line 186 \| Line 188 \| register int adjust;
188		}
189
190
191	+	void
192		normcolrs(scan, len, adjust) /* normalize a scanline of colrs */
193		register COLR *scan;
194		int len;

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