--- ray/src/common/image.c 1999/02/26 12:24:07 2.15 +++ ray/src/common/image.c 2003/02/22 02:07:22 2.16 @@ -1,19 +1,73 @@ -/* Copyright (c) 1996 Regents of the University of California */ - #ifndef lint -static char SCCSid[] = "$SunId$ LBL"; +static const char RCSid[] = "$Id: image.c,v 2.16 2003/02/22 02:07:22 greg Exp $"; #endif - /* * image.c - routines for image generation. + * + * External symbols declared in view.h */ +/* ==================================================================== + * The Radiance Software License, Version 1.0 + * + * Copyright (c) 1990 - 2002 The Regents of the University of California, + * through Lawrence Berkeley National Laboratory. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * 3. The end-user documentation included with the redistribution, + * if any, must include the following acknowledgment: + * "This product includes Radiance software + * (http://radsite.lbl.gov/) + * developed by the Lawrence Berkeley National Laboratory + * (http://www.lbl.gov/)." + * Alternately, this acknowledgment may appear in the software itself, + * if and wherever such third-party acknowledgments normally appear. + * + * 4. The names "Radiance," "Lawrence Berkeley National Laboratory" + * and "The Regents of the University of California" must + * not be used to endorse or promote products derived from this + * software without prior written permission. For written + * permission, please contact radiance@radsite.lbl.gov. + * + * 5. Products derived from this software may not be called "Radiance", + * nor may "Radiance" appear in their name, without prior written + * permission of Lawrence Berkeley National Laboratory. + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL Lawrence Berkeley National Laboratory OR + * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * ==================================================================== + * + * This software consists of voluntary contributions made by many + * individuals on behalf of Lawrence Berkeley National Laboratory. For more + * information on Lawrence Berkeley National Laboratory, please see + * . + */ + #include "standard.h" #include "view.h" -#include "resolu.h" - #include "paths.h" #define FEQ(x,y) (fabs((x)-(y)) <= FTINY) @@ -108,6 +162,7 @@ register VIEW *v; } +void normaspect(va, ap, xp, yp) /* fix pixel aspect or resolution */ double va; /* view aspect ratio */ double *ap; /* pixel aspect in (or out if 0) */ @@ -199,6 +254,7 @@ double x, y; } +void viewloc(ip, v, p) /* find image location for point */ FVECT ip; register VIEW *v; @@ -268,6 +324,7 @@ FVECT p; } +void pix2loc(loc, rp, px, py) /* compute image location from pixel pos. */ FLOAT loc[2]; register RESOLU *rp; @@ -275,22 +332,23 @@ int px, py; { register int x, y; - if (rp->or & YMAJOR) { + if (rp->rt & YMAJOR) { x = px; y = py; } else { x = py; y = px; } - if (rp->or & XDECR) + if (rp->rt & XDECR) x = rp->xr-1 - x; - if (rp->or & YDECR) + if (rp->rt & YDECR) y = rp->yr-1 - y; loc[0] = (x+.5)/rp->xr; loc[1] = (y+.5)/rp->yr; } +void loc2pix(pp, rp, lx, ly) /* compute pixel pos. from image location */ int pp[2]; register RESOLU *rp; @@ -300,11 +358,11 @@ double lx, ly; x = lx * rp->xr; y = ly * rp->yr; - if (rp->or & XDECR) + if (rp->rt & XDECR) x = rp->xr-1 - x; - if (rp->or & YDECR) + if (rp->rt & YDECR) y = rp->yr-1 - y; - if (rp->or & YMAJOR) { + if (rp->rt & YMAJOR) { pp[0] = x; pp[1] = y; } else { @@ -413,6 +471,7 @@ register char *s; } +void fprintview(vp, fp) /* write out view parameters */ register VIEW *vp; FILE *fp; @@ -536,13 +595,15 @@ RESOLU *rp; struct myview mvs; FILE *fp; - if ((fp = fopen(fname, "r")) == NULL) + if (fname == NULL || !strcmp(fname, "-")) + fp = stdin; + else if ((fp = fopen(fname, "r")) == NULL) return(-1); mvs.hv = vp; mvs.ok = 0; - getheader(fp, gethview, &mvs); + getheader(fp, (int (*)(char *, char *))&gethview, (char *)&mvs); if (rp != NULL && !fgetsresolu(rp, fp)) mvs.ok = 0;