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 (21 years, 2 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
#	Content
1	/* RCSid: $Id$ */
2	/*
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	/* ====================================================================
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	typedef struct cone {
71	FLOAT ca; / cone arguments (o->oargs.farg) */
72	char p0, p1; /* indices for endpoints */
73	char r0, r1; /* indices for radii */
74	FVECT ad; /* axis direction vector */
75	FLOAT al; /* axis length */
76	FLOAT sl; /* side length */
77	FLOAT (tm)[4]; / pointer to transformation matrix */
78	} 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	#ifdef NOPROTO
86
87	extern CONE *getcone();
88	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