--- /dev/null
+/*****************************************************************************
+** This is part of the CTSim program
+** Copyright (C) 1983-2000 Kevin Rosenberg
+**
+** $Id: sdf-2.cpp,v 1.1 2000/06/07 02:29:05 kevin Exp $
+** $Log: sdf-2.cpp,v $
+** Revision 1.1 2000/06/07 02:29:05 kevin
+** Initial C++ versions
+**
+** Revision 1.5 2000/05/24 22:50:04 kevin
+** Added support for new SGP library
+**
+** Revision 1.4 2000/05/16 04:33:59 kevin
+** Improved option processing
+**
+** Revision 1.3 2000/05/11 01:06:30 kevin
+** Changed sprintf to snprintf
+**
+** Revision 1.2 2000/05/08 20:02:32 kevin
+** ANSI C changes
+**
+** 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-2.c Generate a SDF file from two input SDF files
+ */
+
+#include "ct.h"
+
+enum {O_ADD, O_SUB, O_MUL, O_COMP, O_VERBOSE, O_HELP, O_VERSION};
+
+static struct option my_options[] =
+{
+ {"add", 0, 0, O_ADD},
+ {"sub", 0, 0, O_SUB},
+ {"mul", 0, 0, O_MUL},
+ {"comp", 0, 0, O_COMP},
+ {"verbose", 0, 0, O_VERBOSE},
+ {"help", 0, 0, O_HELP},
+ {"version", 0, 0, O_VERSION},
+ {0, 0, 0, 0}
+};
+
+void
+sdf2_usage (const char *program)
+{
+ fprintf(stdout, "sdf2_usage: %s infile1 infile2 outfile [OPTIONS]\n", kbasename(program));
+ fprintf(stdout, "Generate an SDF2D file from two input SDF2D files\n");
+ fprintf(stdout, "\n");
+ fprintf(stdout, " infile1 Name of first input SDF file\n");
+ fprintf(stdout, " infile2 Name of second input SDF file\n");
+ fprintf(stdout, " outfile Name of output SDF file\n");
+ fprintf(stdout, " --add Add images\n");
+ fprintf(stdout, " --sub Subtract image 2 from image 1\n");
+ fprintf(stdout, " --mul Multiply images\n");
+ fprintf(stdout, " --comp Compare images\n");
+ fprintf(stdout, " --verbose Verbose modem\n");
+ fprintf(stdout, " --version Print version\n");
+ fprintf(stdout, " --help Print this help message\n");
+}
+
+int
+sdf2_main (int argc, char *const argv[])
+{
+ IMAGE *im_in1;
+ IMAGE *im_in2;
+ IMAGE *im_out;
+ char *in_file1;
+ char *in_file2;
+ char *out_file;
+ int opt_verbose = 0;
+ int opt_add = 0;
+ int opt_sub = 0;
+ int opt_mul = 0;
+ int opt_comp = 0;
+
+ while (1)
+ {
+ int c = getopt_long (argc, argv, "", my_options, NULL);
+
+ if (c == -1)
+ break;
+
+ switch (c)
+ {
+ case O_ADD:
+ opt_add = 1;
+ break;
+ case O_SUB :
+ opt_sub = 1;
+ break;
+ case O_MUL:
+ opt_mul = 1;
+ break;
+ case O_COMP:
+ opt_comp = 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 '?':
+ sdf2_usage(argv[0]);
+ return (0);
+ default:
+ sdf2_usage(argv[0]);
+ return (1);
+ }
+ }
+
+ if (optind + 3 != argc)
+ {
+ sdf2_usage(argv[0]);
+ return (1);
+ }
+
+ in_file1 = argv[optind];
+ in_file2 = argv[optind + 1];
+ out_file = argv[optind + 2];
+
+ im_in1 = image_load (in_file1);
+ im_in2 = image_load (in_file2);
+ if (im_in1 == NULL || im_in2 == NULL) {
+ fprintf(stderr, "Error reading an image");
+ return (1);
+ }
+
+ if (im_in1->nx != im_in2->nx || im_in1->ny != im_in2->ny) {
+ fprintf(stderr, "Error: Size of image 1 (%d,%d) and image 2 (%d,%d) do not match\n",
+ im_in1->nx, im_in1->ny, im_in2->nx, im_in2->ny);
+ return(1);
+ }
+ if (im_in1->nx < 0 || im_in1->ny < 0) {
+ fprintf(stderr, "Error: Size of image < 0");
+ return(1);
+ }
+
+ im_out = image_create (out_file, im_in1->nx, im_in1->ny);
+
+ if (opt_add) {
+ int ix, iy;
+ for (ix = 0; ix < im_in1->nx; ix++)
+ {
+ IMAGE_ELEM_VAL *in1 = &im_in1->v[ix][0];
+ IMAGE_ELEM_VAL *in2 = &im_in2->v[ix][0];
+ IMAGE_ELEM_VAL *out = &im_out->v[ix][0];
+ for (iy = 0; iy < im_in1->ny; iy++)
+ *out++ = *in1++ + *in2++;
+ }
+ } else if (opt_sub) {
+ int ix, iy;
+ for (ix = 0; ix < im_in1->nx; ix++)
+ {
+ IMAGE_ELEM_VAL *in1 = &im_in1->v[ix][0];
+ IMAGE_ELEM_VAL *in2 = &im_in2->v[ix][0];
+ IMAGE_ELEM_VAL *out = &im_out->v[ix][0];
+ for (iy = 0; iy < im_in1->ny; iy++)
+ *out++ = *in1++ - *in2++;
+ }
+ } else if (opt_mul) {
+ int ix, iy;
+ for (ix = 0; ix < im_in1->nx; ix++)
+ {
+ IMAGE_ELEM_VAL *in1 = &im_in1->v[ix][0];
+ IMAGE_ELEM_VAL *in2 = &im_in2->v[ix][0];
+ IMAGE_ELEM_VAL *out = &im_out->v[ix][0];
+ for (iy = 0; iy < im_in1->ny; iy++)
+ *out++ = *in1++ * *in2++;
+ }
+ } else if (opt_comp) {
+ int ix, iy;
+ double abs_error = 0.;
+ for (ix = 0; ix < im_in1->nx; ix++)
+ {
+ IMAGE_ELEM_VAL *in1 = &im_in1->v[ix][0];
+ IMAGE_ELEM_VAL *in2 = &im_in2->v[ix][0];
+ IMAGE_ELEM_VAL *out = &im_out->v[ix][0];
+ for (iy = 0; iy < im_in1->ny; iy++)
+ {
+ double diff = *in1++ - *in2++;
+ *out++ = diff;
+ abs_error += fabs(diff);
+ }
+ }
+ abs_error /= (im_in1->nx * im_in1->ny);
+ fprintf(stdout, "Average Error = %f\n", abs_error);
+ }
+
+ image_save(im_out);
+
+ return (0);
+}
+
+#ifndef NO_MAIN
+int
+main (int argc, char *const argv[])
+{
+ return (sdf2_main(argc, argv));
+}
+#endif
+