Revision: 76162
http://sourceforge.net/p/brlcad/code/76162
Author: starseeker
Date: 2020-06-19 15:33:45 +0000 (Fri, 19 Jun 2020)
Log Message:
-----------
Read inputs
Modified Paths:
--------------
brlcad/trunk/src/libged/view/snap.c
Modified: brlcad/trunk/src/libged/view/snap.c
===================================================================
--- brlcad/trunk/src/libged/view/snap.c 2020-06-19 15:11:23 UTC (rev 76161)
+++ brlcad/trunk/src/libged/view/snap.c 2020-06-19 15:33:45 UTC (rev 76162)
@@ -29,6 +29,8 @@
#include <ctype.h>
#include <string.h>
+#include "bu/opt.h"
+#include "bu/vls.h"
#include "../ged_private.h"
int
@@ -35,16 +37,82 @@
ged_view_snap(struct ged *gedp, int argc, const char *argv[])
{
static const char *usage = "[options] x y [z]";
+ int print_help = 0;
+ int use_grid = 0;
+ int use_lines = 0;
+ int use_objects = 0;
+ point_t pt = VINIT_ZERO;
+ int pt_model = 0;
+ struct bu_vls msg = BU_VLS_INIT_ZERO;
+ struct bu_opt_desc d[5];
+ BU_OPT(d[0], "h", "help", "", NULL, &print_help, "Print help and
exit");
+ BU_OPT(d[1], "g", "grid", "", NULL, &use_grid, "Snap to the
view grid");
+ BU_OPT(d[2], "l", "lines", "", NULL, &use_lines, "Snap to the
view lines");
+ BU_OPT(d[3], "o", "objs", "", NULL, &use_objects, "Snap to drawn
object wireframes");
+ BU_OPT_NULL(d[4]);
+
+ argc-=(argc>0); argv+=(argc>0); /* skip command name argv[0] */
+
+ /* must be wanting help */
+ if (argc < 1) {
+ _ged_cmd_help(gedp, usage, d);
+ return GED_OK;
+ }
+
+ /* parse standard options */
+ int opt_ret = bu_opt_parse(NULL, argc, argv, d);
+
+ if (print_help) {
+ _ged_cmd_help(gedp, usage, d);
+ return GED_OK;
+ }
+
+ /* adjust argc to match the leftovers of the options parsing */
+ argc = opt_ret;
+ if (argc != 2 && argc != 3) {
+ _ged_cmd_help(gedp, usage, d);
+ return GED_ERROR;
+ }
+
+ /* We need at least X and Y regardless */
+ if (bu_opt_fastf_t(&msg, 1, (const char **)&argv[0], (void *)&pt[X]) ==
-1) {
+ bu_vls_printf(gedp->ged_result_str, "problem reading X value %s: %s\n",
argv[0], bu_vls_cstr(&msg));
+ bu_vls_free(&msg);
+ return GED_ERROR;
+ }
+ if (bu_opt_fastf_t(&msg, 1, (const char **)&argv[1], (void *)&pt[Y]) ==
-1) {
+ bu_vls_printf(gedp->ged_result_str, "problem reading Y value %s: %s\n",
argv[1], bu_vls_cstr(&msg));
+ bu_vls_free(&msg);
+ return GED_ERROR;
+ }
+ /* If we've got ONLY X and Y, assume a view coordinate. Otherwise, assume
+ * the incoming point is 3D. */
+ if (argc == 3) {
+ pt_model = 1;
+ if (bu_opt_fastf_t(&msg, 1, (const char **)&argv[2], (void *)&pt[Z]) ==
-1) {
+ bu_vls_printf(gedp->ged_result_str, "problem reading Z value %s:
%s\n", argv[2], bu_vls_cstr(&msg));
+ bu_vls_free(&msg);
+ return GED_ERROR;
+ }
+ }
+
+
GED_CHECK_DATABASE_OPEN(gedp, GED_ERROR);
GED_CHECK_VIEW(gedp, GED_ERROR);
GED_CHECK_ARGC_GT_0(gedp, argc, GED_ERROR);
+
/* initialize result */
bu_vls_trunc(gedp->ged_result_str, 0);
- bu_vls_printf(gedp->ged_result_str, "view %s %s", argv[0], usage);
+ if (pt_model) {
+ bu_vls_printf(gedp->ged_result_str, "%g %g %g", pt[X], pt[Y], pt[Z]);
+ } else {
+ bu_vls_printf(gedp->ged_result_str, "%g %g", pt[X], pt[Y]);
+ }
+ bu_vls_free(&msg);
return GED_OK;
}
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