** This is part of the CTSim program
** Copyright (C) 1983-2000 Kevin Rosenberg
**
-** $Id: sdf-1.c,v 1.2 2000/05/03 08:49:50 kevin Exp $
+** $Id: sdf-1.c,v 1.6 2000/05/24 22:50:04 kevin Exp $
** $Log: sdf-1.c,v $
+** 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
**
** 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"
-#define O_LOG 4
-#define O_EXP 5
-#define O_INVERT 6
-#define O_VERBOSE 7
-#define O_HELP 8
-#define O_VERSION 9
+enum {O_LOG, O_EXP, O_SQRT, O_SQR, O_INVERT, O_VERBOSE, O_HELP, O_VERSION};
static struct option my_options[] =
{
{"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
-usage (const char *program)
+sdf1_usage (const char *program)
{
- fprintf(stdout, "usage: %s infile outfile [OPTIONS]\n", kbasename(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");
- exit(1);
}
int
-main (int argc, char *const argv[])
+sdf1_main (int argc, char *const argv[])
{
IMAGE *im_in;
IMAGE *im_out;
int opt_invert = 0;
int opt_log = 0;
int opt_exp = 0;
+ int opt_sqr = 0;
+ int opt_sqrt = 0;
while (1)
{
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;
exit(0);
case O_HELP:
case '?':
- usage(argv[0]);
- exit(0);
+ sdf1_usage(argv[0]);
+ return (0);
default:
- usage(argv[0]);
- exit(1);
+ sdf1_usage(argv[0]);
+ return (1);
}
}
if (optind + 2 != argc)
{
- usage(argv[0]);
- exit(1);
+ sdf1_usage(argv[0]);
+ return (1);
}
in_file = argv[optind];
out_file = argv[optind + 1];
- if (opt_invert || opt_log || opt_exp) {
+ if (opt_invert || opt_log || opt_exp || opt_sqr || opt_sqrt) {
int ix, iy;
im_in = image_load (in_file);
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];
+ 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]);
+ 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]);
+ 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
+