--- /dev/null
+/*****************************************************************************
+** This is part of the CTSim program
+** Copyright (C) 1983-2000 Kevin Rosenberg
+**
+** $Id: sdf-1.cpp,v 1.1 2000/06/07 02:29:05 kevin Exp $
+** $Log: sdf-1.cpp,v $
+** Revision 1.1 2000/06/07 02:29:05 kevin
+** Initial C++ versions
+**
+** Revision 1.6 2000/05/24 22:50:04 kevin
+** Added support for new SGP library
+**
+** Revision 1.5 2000/05/16 04:33:59 kevin
+** Improved option processing
+**
+** Revision 1.4 2000/05/09 14:52:27 kevin
+** added sqr and sqrt functions
+**
+** Revision 1.3 2000/05/08 20:02:32 kevin
+** ANSI C changes
+**
+** Revision 1.2 2000/05/03 08:49:50 kevin
+** Code cleanup
+**
+** Revision 1.1.1.1 2000/04/28 13:02:44 kevin
+** Initial CVS import for first public release
+**
+**
+**
+** This program is free software; you can redistribute it and/or modify
+** it under the terms of the GNU General Public License (version 2) as
+** published by the Free Software Foundation.
+**
+** This program is distributed in the hope that it will be useful,
+** but WITHOUT ANY WARRANTY; without even the implied warranty of
+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+** GNU General Public License for more details.
+**
+** You should have received a copy of the GNU General Public License
+** along with this program; if not, write to the Free Software
+** Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+******************************************************************************/
+
+/* FILE
+ * sdf-1.c Filter a single SDF file
+ */
+
+#include "ct.h"
+
+enum {O_LOG, O_EXP, O_SQRT, O_SQR, O_INVERT, O_VERBOSE, O_HELP, O_VERSION};
+
+static struct option my_options[] =
+{
+ {"invert", 0, 0, O_INVERT},
+ {"verbose", 0, 0, O_VERBOSE},
+ {"log", 0, 0, O_LOG},
+ {"exp", 0, 0, O_EXP},
+ {"sqr", 0, 0, O_SQR},
+ {"sqrt", 0, 0, O_SQRT},
+ {"help", 0, 0, O_HELP},
+ {"version", 0, 0, O_VERSION},
+ {0, 0, 0, 0}
+};
+
+void
+sdf1_usage (const char *program)
+{
+ fprintf(stdout, "sdf1_usage: %s infile outfile [OPTIONS]\n", kbasename(program));
+ fprintf(stdout, "Generate a SDF2D file from a SDF2D file\n");
+ fprintf(stdout, "\n");
+ fprintf(stdout, " --invert Invert image\n");
+ fprintf(stdout, " --log Natural logrithm of image\n");
+ fprintf(stdout, " --exp Natural exponential of image\n");
+ fprintf(stdout, " --sqr Square of image\n");
+ fprintf(stdout, " --sqrt Square root of image\n");
+ fprintf(stdout, " --verbose Verbose modem\n");
+ fprintf(stdout, " --version Print version\n");
+ fprintf(stdout, " --help Print this help message\n");
+}
+
+int
+sdf1_main (int argc, char *const argv[])
+{
+ IMAGE *im_in;
+ IMAGE *im_out;
+ char *in_file;
+ char *out_file;
+ int opt_verbose = 0;
+ int opt_invert = 0;
+ int opt_log = 0;
+ int opt_exp = 0;
+ int opt_sqr = 0;
+ int opt_sqrt = 0;
+
+ while (1)
+ {
+ int c = getopt_long (argc, argv, "", my_options, NULL);
+
+ if (c == -1)
+ break;
+
+ switch (c)
+ {
+ case O_INVERT:
+ opt_invert = 1;
+ break;
+ case O_LOG:
+ opt_log = 1;
+ break;
+ case O_SQR:
+ opt_sqr = 1;
+ break;
+ case O_SQRT:
+ opt_sqrt = 1;
+ break;
+ case O_EXP:
+ opt_exp = 1;
+ break;
+ case O_VERBOSE:
+ opt_verbose = 1;
+ break;
+ case O_VERSION:
+#ifdef VERSION
+ fprintf(stdout, "Version %s\n", VERSION);
+#else
+ fprintf(stderr, "Unknown version number");
+#endif
+ exit(0);
+ case O_HELP:
+ case '?':
+ sdf1_usage(argv[0]);
+ return (0);
+ default:
+ sdf1_usage(argv[0]);
+ return (1);
+ }
+ }
+
+ if (optind + 2 != argc)
+ {
+ sdf1_usage(argv[0]);
+ return (1);
+ }
+
+ in_file = argv[optind];
+ out_file = argv[optind + 1];
+
+
+ if (opt_invert || opt_log || opt_exp || opt_sqr || opt_sqrt) {
+ int ix, iy;
+
+ im_in = image_load (in_file);
+ im_out = image_create (out_file, im_in->nx, im_in->ny);
+
+ if (opt_invert) {
+ for (ix = 0; ix < im_in->nx; ix++)
+ for (iy = 0; iy < im_in->ny; iy++)
+ im_out->v[ix][iy] = - im_in->v[ix][iy];
+ }
+ if (opt_log) {
+ for (ix = 0; ix < im_in->nx; ix++)
+ for (iy = 0; iy < im_in->ny; iy++)
+ im_out->v[ix][iy] = log (im_in->v[ix][iy]);
+ }
+ if (opt_exp) {
+ for (ix = 0; ix < im_in->nx; ix++)
+ for (iy = 0; iy < im_in->ny; iy++)
+ im_out->v[ix][iy] = exp (im_in->v[ix][iy]);
+ }
+ if (opt_sqr) {
+ for (ix = 0; ix < im_in->nx; ix++)
+ for (iy = 0; iy < im_in->ny; iy++)
+ im_out->v[ix][iy] = im_in->v[ix][iy] * im_in->v[ix][iy];
+ }
+ if (opt_sqrt) {
+ for (ix = 0; ix < im_in->nx; ix++)
+ for (iy = 0; iy < im_in->ny; iy++)
+ im_out->v[ix][iy] = sqrt (im_in->v[ix][iy]);
+ }
+
+ image_save(im_out);
+ }
+
+ return (0);
+}
+
+#ifndef NO_MAIN
+int
+main (int argc, char *const argv[])
+{
+ return (sdf1_main(argc, argv));
+}
+#endif
+