| 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 { |
| 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 */ |
| 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 |
|
|
| 103 |
– |
#ifdef NOPROTO |
| 54 |
|
|
| 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 |
– |
|
| 55 |
|
extern char *setview(VIEW *v); |
| 56 |
|
extern void normaspect(double va, double *ap, int *xp, int *yp); |
| 57 |
|
extern double viewray(FVECT orig, FVECT direc, VIEW *v, double x, double y); |
| 58 |
|
extern void viewloc(FVECT ip, VIEW *v, FVECT p); |
| 59 |
< |
extern void pix2loc(FLOAT loc[2], RESOLU *rp, int px, int py); |
| 59 |
> |
extern void pix2loc(RREAL loc[2], RESOLU *rp, int px, int py); |
| 60 |
|
extern void loc2pix(int pp[2], RESOLU *rp, double lx, double ly); |
| 61 |
|
extern int getviewopt(VIEW *v, int ac, char *av[]); |
| 62 |
|
extern int sscanview(VIEW *vp, char *s); |
| 65 |
|
extern int isview(char *s); |
| 66 |
|
extern int viewfile(char *fname, VIEW *vp, RESOLU *rp); |
| 67 |
|
|
| 68 |
+ |
|
| 69 |
+ |
#ifdef __cplusplus |
| 70 |
+ |
} |
| 71 |
|
#endif |
| 72 |
+ |
#endif /* _RAD_VIEW_H_ */ |
| 73 |
+ |
|