--- ray/src/rt/lookamb.c 1991/06/07 14:24:34 1.5
+++ ray/src/rt/lookamb.c 2003/02/22 02:07:28 2.7
@@ -1,30 +1,81 @@
-/* Copyright (c) 1991 Regents of the University of California */
-
#ifndef lint
-static char SCCSid[] = "$SunId$ LBL";
+static const char RCSid[] = "$Id: lookamb.c,v 2.7 2003/02/22 02:07:28 greg Exp $";
#endif
-
/*
* lookamb.c - program to examine ambient components.
+ */
+
+/* ====================================================================
+ * The Radiance Software License, Version 1.0
*
- * 10/8/86
+ * 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
+#include "ray.h"
-#include "color.h"
-
#include "ambient.h"
int dataonly = 0;
-
+int header = 1;
int reverse = 0;
AMBVAL av;
main(argc, argv) /* load ambient values from a file */
+int argc;
char *argv[];
{
FILE *fp;
@@ -39,6 +90,9 @@ char *argv[];
case 'r':
reverse = 1;
break;
+ case 'h':
+ header = 0;
+ break;
default:
fprintf(stderr, "%s: unknown option '%s'\n",
argv[0], argv[i]);
@@ -53,19 +107,48 @@ char *argv[];
fprintf(stderr, "%s: file not found\n", argv[i]);
return(1);
}
- if (reverse)
+ if (reverse) {
+ if (header) {
+ if (checkheader(fp, "ascii", stdout) < 0)
+ goto formaterr;
+ } else {
+ newheader("RADIANCE", stdout);
+ printargs(argc, argv, stdout);
+ }
+ fputformat(AMBFMT, stdout);
+ putchar('\n');
+#ifdef MSDOS
+ setmode(fileno(stdout), O_BINARY);
+#endif
+ putambmagic(stdout);
writamb(fp);
- else
+ } else {
+#ifdef MSDOS
+ setmode(fileno(fp), O_BINARY);
+#endif
+ if (checkheader(fp, AMBFMT, header ? stdout : (FILE *)NULL) < 0)
+ goto formaterr;
+ if (!hasambmagic(fp))
+ goto formaterr;
+ if (header) {
+ fputformat("ascii", stdout);
+ putchar('\n');
+ }
lookamb(fp);
+ }
fclose(fp);
return(0);
+formaterr:
+ fprintf(stderr, "%s: format error on input\n", argv[0]);
+ exit(1);
}
+void
lookamb(fp) /* get ambient values from a file */
FILE *fp;
{
- while (fread((char *)&av, sizeof(AMBVAL), 1, fp) == 1) {
+ while (readambval(&av, fp)) {
if (dataonly) {
printf("%f\t%f\t%f\t", av.pos[0], av.pos[1], av.pos[2]);
printf("%f\t%f\t%f\t", av.dir[0], av.dir[1], av.dir[2]);
@@ -97,6 +180,7 @@ FILE *fp;
}
+void
writamb(fp) /* write binary ambient values */
FILE *fp;
{
@@ -132,7 +216,7 @@ FILE *fp;
&av.gdir[0], &av.gdir[1], &av.gdir[2]) != 3)
return;
av.next = NULL;
- fwrite((char *)&av, sizeof(AMBVAL), 1, stdout);
+ writambval(&av, stdout);
if (ferror(stdout))
exit(1);
}