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/* Copyright (c) 1994 Regents of the University of California */ |
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/* SCCSid "$SunId$ LBL" */ |
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/* RCSid: $Id$ */ |
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/* |
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* view.h - header file for image generation. |
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* |
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* 9/19/88 |
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* Include after fvect.h |
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* Includes resolu.h |
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*/ |
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/* ==================================================================== |
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* The Radiance Software License, Version 1.0 |
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* |
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* Copyright (c) 1990 - 2002 The Regents of the University of California, |
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* through Lawrence Berkeley National Laboratory. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in |
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* the documentation and/or other materials provided with the |
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* distribution. |
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* |
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* 3. The end-user documentation included with the redistribution, |
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* if any, must include the following acknowledgment: |
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* "This product includes Radiance software |
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* (http://radsite.lbl.gov/) |
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* developed by the Lawrence Berkeley National Laboratory |
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* (http://www.lbl.gov/)." |
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* Alternately, this acknowledgment may appear in the software itself, |
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* if and wherever such third-party acknowledgments normally appear. |
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* |
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* 4. The names "Radiance," "Lawrence Berkeley National Laboratory" |
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* and "The Regents of the University of California" must |
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* not be used to endorse or promote products derived from this |
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* software without prior written permission. For written |
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* permission, please contact [email protected]. |
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* |
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* 5. Products derived from this software may not be called "Radiance", |
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* nor may "Radiance" appear in their name, without prior written |
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* permission of Lawrence Berkeley National Laboratory. |
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* |
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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* DISCLAIMED. IN NO EVENT SHALL Lawrence Berkeley National Laboratory OR |
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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* SUCH DAMAGE. |
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* ==================================================================== |
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* |
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* This software consists of voluntary contributions made by many |
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* individuals on behalf of Lawrence Berkeley National Laboratory. For more |
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* information on Lawrence Berkeley National Laboratory, please see |
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* <http://www.lbl.gov/>. |
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*/ |
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#include "resolu.h" |
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/* view types */ |
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#define VT_PER 'v' /* perspective */ |
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#define VT_PAR 'l' /* parallel */ |
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extern VIEW stdview; |
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extern char *setview(); |
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extern double viewray(); |
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extern char *viewopt(); |
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#define viewaspect(v) sqrt((v)->vn2/(v)->hn2) |
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#define STDVIEW {VT_PER,{0.,0.,0.},{0.,1.,0.},{0.,0.,1.}, \ |
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#define VIEWSTR "VIEW=" |
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#define VIEWSTRL 5 |
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#ifdef NOPROTO |
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extern char *setview(); |
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extern void normaspect(); |
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extern double viewray(); |
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extern void viewloc(); |
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extern void pix2loc(); |
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extern void loc2pix(); |
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extern int getviewopt(); |
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extern int sscanview(); |
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extern void fprintview(); |
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extern char *viewopt(); |
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extern int isview(); |
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extern int viewfile(); |
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#else |
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extern char *setview(VIEW *v); |
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extern void normaspect(double va, double *ap, int *xp, int *yp); |
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extern double viewray(FVECT orig, FVECT direc, VIEW *v, double x, double y); |
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extern void viewloc(FVECT ip, VIEW *v, FVECT p); |
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extern void pix2loc(FLOAT loc[2], RESOLU *rp, int px, int py); |
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extern void loc2pix(int pp[2], RESOLU *rp, double lx, double ly); |
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extern int getviewopt(VIEW *v, int ac, char *av[]); |
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extern int sscanview(VIEW *vp, char *s); |
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extern void fprintview(VIEW *vp, FILE *fp); |
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extern char *viewopt(VIEW *vp); |
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extern int isview(char *s); |
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extern int viewfile(char *fname, VIEW *vp, RESOLU *rp); |
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#endif |
