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/* Copyright (c) 1996 Regents of the University of California */ |
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#ifndef lint |
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< |
static char SCCSid[] = "$SunId$ LBL"; |
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static const char RCSid[] = "$Id$"; |
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#endif |
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|
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/* |
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* Draw small sources into image in case we missed them. |
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* |
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* External symbols declared in ray.h |
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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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|
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#include "ray.h" |
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#include "view.h" |
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/* free old source list if one */ |
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for (sp = sphead; sp != NULL; sp = sphead) { |
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sphead = sp->next; |
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< |
free((char *)sp); |
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free((void *)sp); |
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} |
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/* loop through all sources */ |
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for (i = nsources; i--; ) { |
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} |
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} |
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|
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/* add sources smaller than rad to computed subimage */ |
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void /* add sources smaller than rad to computed subimage */ |
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drawsources(pic, zbf, x0, xsiz, y0, ysiz) |
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COLOR *pic[]; /* subimage pixel value array */ |
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float *zbf[]; /* subimage distance array (opt.) */ |
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int nsv, npv; |
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int xmin, xmax, ymin, ymax, x, y; |
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FLOAT cxy[2]; |
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double pa; |
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double w; |
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RAY sr; |
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register SPLIST *sp; |
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register int i; |
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continue; /* missed/blocked */ |
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/* modify pixel */ |
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if (zbf[y-y0] != NULL && |
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sr.rt < zbf[y-y0][x-x0]) |
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sr.rt < 0.999*zbf[y-y0][x-x0]) |
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zbf[y-y0][x-x0] = sr.rt; |
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pa = poly_area(ppoly, npv); |
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scalecolor(sr.rcol, pa*hres*vres); |
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scalecolor(pic[y-y0][x-x0], (1.-pa*hres*vres)); |
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else if (!bigdiff(sr.rcol, pic[y-y0][x-x0], |
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0.001)) /* source sample */ |
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setcolor(pic[y-y0][x-x0], 0., 0., 0.); |
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w = poly_area(ppoly, npv) * hres * vres; |
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scalecolor(sr.rcol, w); |
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scalecolor(pic[y-y0][x-x0], 1.-w); |
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addcolor(pic[y-y0][x-x0], sr.rcol); |
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} |
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} |
