src/common/cone.h

/* RCSid: $Id$ */
/*
 *  cone.h - header file for cones (cones, cylinders, rings, cups, tubes).
 *
 *      Storage of arguments in the cone structure is a little strange.
 *  To save space, we use an index into the real arguments of the
 *  object structure through ca.  The indices are for the axis
 *  endpoints and radii:  p0, p1, r0 and r1.
 *
 *     2/12/86
 */

/* ====================================================================
 * The Radiance Software License, Version 1.0
 *
 * Copyright (c) 1990 - 2002 The Regents of the University of California,
 * through Lawrence Berkeley National Laboratory.   All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *         notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in
 *       the documentation and/or other materials provided with the
 *       distribution.
 *
 * 3. The end-user documentation included with the redistribution,
 *           if any, must include the following acknowledgment:
 *             "This product includes Radiance software
 *                 (http://radsite.lbl.gov/)
 *                 developed by the Lawrence Berkeley National Laboratory
 *               (http://www.lbl.gov/)."
 *       Alternately, this acknowledgment may appear in the software itself,
 *       if and wherever such third-party acknowledgments normally appear.
 *
 * 4. The names "Radiance," "Lawrence Berkeley National Laboratory"
 *       and "The Regents of the University of California" must
 *       not be used to endorse or promote products derived from this
 *       software without prior written permission. For written
 *       permission, please contact [email protected].
 *
 * 5. Products derived from this software may not be called "Radiance",
 *       nor may "Radiance" appear in their name, without prior written
 *       permission of Lawrence Berkeley National Laboratory.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.   IN NO EVENT SHALL Lawrence Berkeley National Laboratory OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of Lawrence Berkeley National Laboratory.   For more
 * information on Lawrence Berkeley National Laboratory, please see
 * <http://www.lbl.gov/>.
 */

typedef struct cone {
        FLOAT  *ca;             /* cone arguments (o->oargs.farg) */
        char  p0, p1;           /* indices for endpoints */
        char  r0, r1;           /* indices for radii */
        FVECT  ad;              /* axis direction vector */
        FLOAT  al;              /* axis length */
        FLOAT  sl;              /* side length */
        FLOAT  (*tm)[4];        /* pointer to transformation matrix */
}  CONE;

#define  CO_R0(co)      ((co)->ca[(co)->r0])
#define  CO_R1(co)      ((co)->ca[(co)->r1])
#define  CO_P0(co)      ((co)->ca+(co)->p0)
#define  CO_P1(co)      ((co)->ca+(co)->p1)

#ifdef NOPROTO

extern CONE  *getcone();
extern void  freecone();
extern void  conexform();

#else

extern CONE  *getcone(OBJREC *o, int getxf);
extern void  freecone(OBJREC *o);
extern void  conexform(CONE *co);

#endif
Revision:	2.2
Committed:	Sat Feb 22 02:07:22 2003 UTC (22 years, 8 months ago) by greg
Content type:	text/plain
Branch:	MAIN
Changes since 2.1:	+70 -4 lines
Log Message:	Changes and check-in for 3.5 release Includes new source files and modifications not recorded for many years See ray/doc/notes/ReleaseNotes for notes between 3.1 and 3.5 release
#	User	Rev	Content
1	greg	2.2	/* RCSid: $Id$ */
2	greg	1.1	/*
3			* cone.h - header file for cones (cones, cylinders, rings, cups, tubes).
4			*
5			* Storage of arguments in the cone structure is a little strange.
6			* To save space, we use an index into the real arguments of the
7			* object structure through ca. The indices are for the axis
8			* endpoints and radii: p0, p1, r0 and r1.
9			*
10			* 2/12/86
11			*/
12
13	greg	2.2	/* ====================================================================
14			* The Radiance Software License, Version 1.0
15			*
16			* Copyright (c) 1990 - 2002 The Regents of the University of California,
17			* through Lawrence Berkeley National Laboratory. All rights reserved.
18			*
19			* Redistribution and use in source and binary forms, with or without
20			* modification, are permitted provided that the following conditions
21			* are met:
22			*
23			* 1. Redistributions of source code must retain the above copyright
24			* notice, this list of conditions and the following disclaimer.
25			*
26			* 2. Redistributions in binary form must reproduce the above copyright
27			* notice, this list of conditions and the following disclaimer in
28			* the documentation and/or other materials provided with the
29			* distribution.
30			*
31			* 3. The end-user documentation included with the redistribution,
32			* if any, must include the following acknowledgment:
33			* "This product includes Radiance software
34			* (http://radsite.lbl.gov/)
35			* developed by the Lawrence Berkeley National Laboratory
36			* (http://www.lbl.gov/)."
37			* Alternately, this acknowledgment may appear in the software itself,
38			* if and wherever such third-party acknowledgments normally appear.
39			*
40			* 4. The names "Radiance," "Lawrence Berkeley National Laboratory"
41			* and "The Regents of the University of California" must
42			* not be used to endorse or promote products derived from this
43			* software without prior written permission. For written
44			* permission, please contact [email protected].
45			*
46			* 5. Products derived from this software may not be called "Radiance",
47			* nor may "Radiance" appear in their name, without prior written
48			* permission of Lawrence Berkeley National Laboratory.
49			*
50			* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
51			* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
52			* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
53			* DISCLAIMED. IN NO EVENT SHALL Lawrence Berkeley National Laboratory OR
54			* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
55			* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
56			* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
57			* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
58			* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
59			* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
60			* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
61			* SUCH DAMAGE.
62			* ====================================================================
63			*
64			* This software consists of voluntary contributions made by many
65			* individuals on behalf of Lawrence Berkeley National Laboratory. For more
66			* information on Lawrence Berkeley National Laboratory, please see
67			* <http://www.lbl.gov/>.
68			*/
69
70	greg	1.1	typedef struct cone {
71	greg	1.2	FLOAT ca; / cone arguments (o->oargs.farg) */
72	greg	1.1	char p0, p1; /* indices for endpoints */
73			char r0, r1; /* indices for radii */
74			FVECT ad; /* axis direction vector */
75	greg	1.2	FLOAT al; /* axis length */
76			FLOAT sl; /* side length */
77			FLOAT (tm)[4]; / pointer to transformation matrix */
78	greg	1.1	} CONE;
79
80			#define CO_R0(co) ((co)->ca[(co)->r0])
81			#define CO_R1(co) ((co)->ca[(co)->r1])
82			#define CO_P0(co) ((co)->ca+(co)->p0)
83			#define CO_P1(co) ((co)->ca+(co)->p1)
84
85	greg	2.2	#ifdef NOPROTO
86
87	greg	1.1	extern CONE *getcone();
88	greg	2.2	extern void freecone();
89			extern void conexform();
90
91			#else
92
93			extern CONE getcone(OBJREC o, int getxf);
94			extern void freecone(OBJREC *o);
95			extern void conexform(CONE *co);
96
97			#endif