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Comparing ray/src/common/view.h (file contents):
Revision 2.7 by greg, Sat Feb 22 02:07:23 2003 UTC vs.
Revision 2.20 by greg, Fri Apr 27 05:00:29 2018 UTC

# Line 1 | Line 1
1 < /* RCSid: $Id$ */
1 > /* RCSid $Id$ */
2   /*
3   *  view.h - header file for image generation.
4   *
5 < *  Include after fvect.h
5 > *  Include after stdio.h and rtmath.h
6   *  Includes resolu.h
7   */
8 + #ifndef _RAD_VIEW_H_
9 + #define _RAD_VIEW_H_
10  
9 – /* ====================================================================
10 – * The Radiance Software License, Version 1.0
11 – *
12 – * Copyright (c) 1990 - 2002 The Regents of the University of California,
13 – * through Lawrence Berkeley National Laboratory.   All rights reserved.
14 – *
15 – * Redistribution and use in source and binary forms, with or without
16 – * modification, are permitted provided that the following conditions
17 – * are met:
18 – *
19 – * 1. Redistributions of source code must retain the above copyright
20 – *         notice, this list of conditions and the following disclaimer.
21 – *
22 – * 2. Redistributions in binary form must reproduce the above copyright
23 – *       notice, this list of conditions and the following disclaimer in
24 – *       the documentation and/or other materials provided with the
25 – *       distribution.
26 – *
27 – * 3. The end-user documentation included with the redistribution,
28 – *           if any, must include the following acknowledgment:
29 – *             "This product includes Radiance software
30 – *                 (http://radsite.lbl.gov/)
31 – *                 developed by the Lawrence Berkeley National Laboratory
32 – *               (http://www.lbl.gov/)."
33 – *       Alternately, this acknowledgment may appear in the software itself,
34 – *       if and wherever such third-party acknowledgments normally appear.
35 – *
36 – * 4. The names "Radiance," "Lawrence Berkeley National Laboratory"
37 – *       and "The Regents of the University of California" must
38 – *       not be used to endorse or promote products derived from this
39 – *       software without prior written permission. For written
40 – *       permission, please contact [email protected].
41 – *
42 – * 5. Products derived from this software may not be called "Radiance",
43 – *       nor may "Radiance" appear in their name, without prior written
44 – *       permission of Lawrence Berkeley National Laboratory.
45 – *
46 – * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
47 – * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
48 – * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
49 – * DISCLAIMED.   IN NO EVENT SHALL Lawrence Berkeley National Laboratory OR
50 – * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
51 – * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
52 – * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
53 – * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
54 – * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
55 – * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
56 – * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
57 – * SUCH DAMAGE.
58 – * ====================================================================
59 – *
60 – * This software consists of voluntary contributions made by many
61 – * individuals on behalf of Lawrence Berkeley National Laboratory.   For more
62 – * information on Lawrence Berkeley National Laboratory, please see
63 – * <http://www.lbl.gov/>.
64 – */
65 –
11   #include  "resolu.h"
12  
13 + #ifdef __cplusplus
14 + extern "C" {
15 + #endif
16 +
17                                  /* view types */
18   #define  VT_PER         'v'             /* perspective */
19   #define  VT_PAR         'l'             /* parallel */
20   #define  VT_ANG         'a'             /* angular fisheye */
21   #define  VT_HEM         'h'             /* hemispherical fisheye */
22 + #define  VT_PLS         's'             /* planispheric fisheye */
23   #define  VT_CYL         'c'             /* cylindrical panorama */
24  
25   typedef struct {
# Line 77 | Line 27 | typedef struct {
27          FVECT  vp;              /* view origin */
28          FVECT  vdir;            /* view direction */
29          FVECT  vup;             /* view up */
30 +        double  vdist;          /* view distance */
31          double  horiz;          /* horizontal view size */
32          double  vert;           /* vertical view size */
33          double  hoff;           /* horizontal image offset */
# Line 94 | Line 45 | extern VIEW  stdview;
45   #define  viewaspect(v)  sqrt((v)->vn2/(v)->hn2)
46  
47   #define  STDVIEW        {VT_PER,{0.,0.,0.},{0.,1.,0.},{0.,0.,1.}, \
48 <                                45.,45.,0.,0.,0.,0., \
48 >                                1.,45.,45.,0.,0.,0.,0., \
49                                  {0.,0.,0.},{0.,0.,0.},0.,0.}
50  
51   #define  VIEWSTR        "VIEW="
52   #define  VIEWSTRL       5
53  
54 < #ifdef NOPROTO
54 >                                /* return values/flags for viewloc() */
55 > #define VL_BAD          0               /* illegal position (i.e. origin) */
56 > #define VL_GOOD         0x1             /* result is valid */
57 > #define VL_BEHIND       0x2             /* world point is behind fore plane */
58 > #define VL_OUTSIDE      0x4             /* world point is outside frustum */
59 > #define VL_BEYOND       0x8             /* point is beyond aft clipping plane */
60  
105 – extern char     *setview();
106 – extern void     normaspect();
107 – extern double   viewray();
108 – extern void     viewloc();
109 – extern void     pix2loc();
110 – extern void     loc2pix();
111 – extern int      getviewopt();
112 – extern int      sscanview();
113 – extern void     fprintview();
114 – extern char     *viewopt();
115 – extern int      isview();
116 – extern int      viewfile();
117 –
118 – #else
119 –
61   extern char     *setview(VIEW *v);
62   extern void     normaspect(double va, double *ap, int *xp, int *yp);
63   extern double   viewray(FVECT orig, FVECT direc, VIEW *v, double x, double y);
64 < extern void     viewloc(FVECT ip, VIEW *v, FVECT p);
65 < extern void     pix2loc(FLOAT loc[2], RESOLU *rp, int px, int py);
64 > extern int      viewloc(FVECT ip, VIEW *v, FVECT p);
65 > extern void     pix2loc(RREAL loc[2], RESOLU *rp, int px, int py);
66   extern void     loc2pix(int pp[2], RESOLU *rp, double lx, double ly);
67   extern int      getviewopt(VIEW *v, int ac, char *av[]);
68   extern int      sscanview(VIEW *vp, char *s);
# Line 130 | Line 71 | extern char    *viewopt(VIEW *vp);
71   extern int      isview(char *s);
72   extern int      viewfile(char *fname, VIEW *vp, RESOLU *rp);
73  
74 +
75 + #ifdef __cplusplus
76 + }
77   #endif
78 + #endif /* _RAD_VIEW_H_ */
79 +

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