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#ifndef lint |
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static const char RCSid[] = "$Id$"; |
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static const char RCSid[] = "$Id"; |
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#endif |
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/* |
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* rpict.c - routines and variables for picture generation. |
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*/ |
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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 "copyright.h" |
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|
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#include "platform.h" |
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#include "ray.h" |
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|
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#include <sys/types.h> |
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|
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#ifndef NIX |
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#ifndef NON_POSIX |
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#ifdef BSD |
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#include <sys/time.h> |
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#include <sys/resource.h> |
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#endif |
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#endif |
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|
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extern time_t time(); |
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|
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#include <time.h> |
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#include <signal.h> |
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|
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#include "view.h" |
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|
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#include "random.h" |
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|
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#include "paths.h" |
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|
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|
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#define RFTEMPLATE "rfXXXXXX" |
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|
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#ifndef SIGCONT |
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#ifdef SIGIO /* XXX can we live without this? */ |
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#define SIGCONT SIGIO |
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#endif |
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#endif |
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|
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CUBE thescene; /* our scene */ |
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OBJECT nsceneobjs; /* number of objects in our scene */ |
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|
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int backvis = 1; /* back face visibility */ |
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|
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int maxdepth = 6; /* maximum recursion depth */ |
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double minweight = 5e-3; /* minimum ray weight */ |
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int maxdepth = 7; /* maximum recursion depth */ |
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double minweight = 4e-3; /* minimum ray weight */ |
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|
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char *ambfile = NULL; /* ambient file name */ |
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COLOR ambval = BLKCOLOR; /* ambient value */ |
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int ambvwt = 0; /* initial weight for ambient value */ |
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double ambacc = 0.2; /* ambient accuracy */ |
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int ambres = 32; /* ambient resolution */ |
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int ambdiv = 128; /* ambient divisions */ |
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int ambssamp = 0; /* ambient super-samples */ |
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double ambacc = 0.15; /* ambient accuracy */ |
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int ambres = 64; /* ambient resolution */ |
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int ambdiv = 512; /* ambient divisions */ |
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int ambssamp = 128; /* ambient super-samples */ |
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int ambounce = 0; /* ambient bounces */ |
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char *amblist[128]; /* ambient include/exclude list */ |
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int ambincl = -1; /* include == 1, exclude == 0 */ |
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|
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static VIEW lastview; /* the previous view input */ |
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|
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extern char *mktemp(); |
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extern char *mktemp(); /* XXX should be in stdlib.h or unistd.h */ |
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|
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void report(); |
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|
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double pixvalue(); |
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|
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#ifdef NIX |
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#define file_exists(f) (access(f,F_OK)==0) |
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#else |
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#ifdef RHAS_STAT |
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#include <sys/types.h> |
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#include <sys/stat.h> |
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int |
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if (stat(fname, &sbuf) < 0) return(0); |
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return((sbuf.st_mode & S_IFREG) != 0); |
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} |
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#else |
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#define file_exists(f) (access(f,F_OK)==0) |
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#endif |
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|
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|
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{ |
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if (code) /* report status */ |
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report(); |
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#ifndef NIX |
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#ifndef NON_POSIX |
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headclean(); /* delete header file */ |
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pfclean(); /* clean up persist files */ |
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#endif |
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} |
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|
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|
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#ifndef NIX |
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#ifndef NON_POSIX |
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void |
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report() /* report progress */ |
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{ |
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nrays, pctdone, u/3600., s/3600., |
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(tlastrept-tstart)/3600., myhostname()); |
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eputs(errmsg); |
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#ifndef BSD |
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#ifdef SIGCONT |
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signal(SIGCONT, report); |
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#endif |
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} |
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* sequenced file naming. |
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*/ |
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{ |
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extern char *rindex(), *strncpy(), *strcat(), *strcpy(); |
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char fbuf[128], fbuf2[128]; |
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int npicts; |
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register char *cp; |
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setview(&ourview); |
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prvr = fbuf; /* mark for renaming */ |
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} |
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if (pout != NULL & prvr != NULL) { |
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if ((pout != NULL) & (prvr != NULL)) { |
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sprintf(fbuf, pout, seq); |
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if (!strcmp(prvr, fbuf)) { /* rename */ |
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strcpy(fbuf2, fbuf); |
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cp--; |
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strcpy(cp, RFTEMPLATE); |
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prvr = mktemp(fbuf2); |
256 |
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if (rename(fbuf, prvr) < 0) |
256 |
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if (rename(fbuf, prvr) < 0) { |
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if (errno == ENOENT) { /* ghost file */ |
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sprintf(errmsg, |
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"new output file \"%s\"", |
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fbuf, prvr); |
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error(SYSTEM, errmsg); |
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} |
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} |
270 |
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} |
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} |
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npicts = 0; /* render sequence */ |
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"cannot open output file \"%s\"", fbuf); |
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error(SYSTEM, errmsg); |
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} |
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#ifdef MSDOS |
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setmode(fileno(stdout), O_BINARY); |
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#endif |
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SET_FILE_BINARY(stdout); |
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dupheader(); |
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} |
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hres = hresolu; vres = vresolu; pa = pixaspect; |
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if (prvr != NULL) |
298 |
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if (prvr != NULL) { |
299 |
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if (viewfile(prvr, &ourview, &rs) <= 0 |
300 |
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|| rs.rt != PIXSTANDARD) { |
301 |
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sprintf(errmsg, |
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hres = scanlen(&rs); |
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vres = numscans(&rs); |
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} |
309 |
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} |
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if ((cp = setview(&ourview)) != NULL) |
311 |
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error(USER, cp); |
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normaspect(viewaspect(&ourview), &pa, &hres, &vres); |
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putchar('\n'); |
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if (pa < .99 || pa > 1.01) |
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fputaspect(pa, stdout); |
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fputnow(stdout); |
328 |
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fputformat(COLRFMT, stdout); |
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putchar('\n'); |
330 |
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if (zout != NULL) |
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{ |
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char linebuf[256]; |
348 |
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|
349 |
< |
copystruct(&lastview, &ourview); |
349 |
> |
lastview = ourview; |
350 |
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while (fgets(linebuf, sizeof(linebuf), fp) != NULL) |
351 |
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if (isview(linebuf) && sscanview(&ourview, linebuf) > 0) |
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return(0); |
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sprintf(errmsg, "cannot open z-file \"%s\"", zfile); |
396 |
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error(SYSTEM, errmsg); |
397 |
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} |
398 |
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#ifdef MSDOS |
453 |
< |
setmode(zfd, O_BINARY); |
454 |
< |
#endif |
398 |
> |
SET_FD_BINARY(zfd); |
399 |
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for (i = 0; i <= psample; i++) { |
400 |
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zbar[i] = (float *)malloc(hres*sizeof(float)); |
401 |
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if (zbar[i] == NULL) |
413 |
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if (i >= vres) |
414 |
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goto alldone; |
415 |
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if (zfd != -1 && i > 0 && |
416 |
< |
lseek(zfd, (off_t)i*hres*sizeof(float), 0) < 0) |
416 |
> |
lseek(zfd, (off_t)i*hres*sizeof(float), SEEK_SET) < 0) |
417 |
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error(SYSTEM, "z-file seek error in render"); |
418 |
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pctdone = 100.0*i/vres; |
419 |
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if (ralrm > 0) /* report init stats */ |
420 |
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report(); |
421 |
< |
#ifndef BSD |
421 |
> |
#ifdef SIGCONT |
422 |
|
else |
479 |
– |
#endif |
423 |
|
signal(SIGCONT, report); |
424 |
+ |
#endif |
425 |
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ypos = vres-1 - i; /* initialize sampling */ |
426 |
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if (directvis) |
427 |
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init_drawsources(psample); |
447 |
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if (directvis) /* add bitty sources */ |
448 |
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drawsources(scanbar, zbar, 0, hres, ypos, ystep); |
449 |
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/* write it out */ |
450 |
< |
#ifndef BSD |
450 |
> |
#ifdef SIGCONT |
451 |
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signal(SIGCONT, SIG_IGN); /* don't interrupt writes */ |
452 |
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#endif |
453 |
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for (i = ystep; i > 0; i--) { |
464 |
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pctdone = 100.0*(vres-1-ypos)/vres; |
465 |
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if (ralrm > 0 && time((time_t *)NULL) >= tlastrept+ralrm) |
466 |
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report(); |
467 |
< |
#ifndef BSD |
467 |
> |
#ifdef SIGCONT |
468 |
|
else |
469 |
|
signal(SIGCONT, report); |
470 |
|
#endif |
471 |
|
} |
472 |
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/* clean up */ |
473 |
+ |
#ifdef SIGCONT |
474 |
|
signal(SIGCONT, SIG_IGN); |
475 |
+ |
#endif |
476 |
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if (zfd != -1 && write(zfd, (char *)zbar[0], hres*sizeof(float)) |
477 |
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< hres*sizeof(float)) |
478 |
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goto writerr; |
493 |
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pctdone = 100.0; |
494 |
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if (ralrm > 0) |
495 |
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report(); |
496 |
+ |
#ifdef SIGCONT |
497 |
|
signal(SIGCONT, SIG_DFL); |
498 |
+ |
#endif |
499 |
|
return; |
500 |
|
writerr: |
501 |
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error(SYSTEM, "write error in render"); |
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error(WARNING, errmsg); |
682 |
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goto gotzip; |
683 |
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} |
684 |
< |
#ifdef MSDOS |
737 |
< |
setmode(fileno(fp), O_BINARY); |
738 |
< |
#endif |
684 |
> |
SET_FILE_BINARY(fp); |
685 |
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/* discard header */ |
686 |
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getheader(fp, NULL, NULL); |
687 |
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/* get picture size */ |