BRL-CAD
rmat.c
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1 /* R M A T . C
2  * BRL-CAD
3  *
4  * Copyright (c) 2008-2014 United States Government as represented by
5  * the U.S. Army Research Laboratory.
6  *
7  * This library is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU Lesser General Public License
9  * version 2.1 as published by the Free Software Foundation.
10  *
11  * This library is distributed in the hope that it will be useful, but
12  * WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with this file; see the file named COPYING for more
18  * information.
19  */
20 /** @file libged/rmat.c
21  *
22  * The rmat command.
23  *
24  */
25 
26 #include "common.h"
27 
28 #include <stdlib.h>
29 #include <ctype.h>
30 #include <string.h>
31 
32 #include "./ged_private.h"
33 
34 
35 int
36 ged_rmat(struct ged *gedp, int argc, const char *argv[])
37 {
38  mat_t rotation;
39 
42  GED_CHECK_ARGC_GT_0(gedp, argc, GED_ERROR);
43 
44  /* initialize result */
45  bu_vls_trunc(gedp->ged_result_str, 0);
46 
47  /* get the rotation matrix */
48  if (argc == 1) {
50  return GED_OK;
51  } else if (argc == 2) {
52  /* set rotation matrix */
53  if (bn_decode_mat(rotation, argv[1]) != 16)
54  return GED_ERROR;
55 
56  MAT_COPY(gedp->ged_gvp->gv_rotation, rotation);
57  ged_view_update(gedp->ged_gvp);
58 
59  return TCL_OK;
60  }
61 
62  bu_vls_printf(gedp->ged_result_str, "Usage: %s", argv[0]);
63  return GED_ERROR;
64 }
65 
66 
67 /*
68  * Local Variables:
69  * tab-width: 8
70  * mode: C
71  * indent-tabs-mode: t
72  * c-file-style: "stroustrup"
73  * End:
74  * ex: shiftwidth=4 tabstop=8
75  */
#define GED_OK
Definition: ged.h:55
Definition: ged.h:338
void bu_vls_trunc(struct bu_vls *vp, int len)
Definition: vls.c:198
#define GED_CHECK_ARGC_GT_0(_gedp, _argc, _flags)
Definition: ged.h:202
Header file for the BRL-CAD common definitions.
void ged_view_update(struct bview *gvp)
Definition: vutil.c:33
#define GED_ERROR
Definition: ged.h:61
struct bview * ged_gvp
Definition: ged.h:361
#define GED_CHECK_VIEW(_gedp, _flags)
Definition: ged.h:140
#define GED_CHECK_DATABASE_OPEN(_gedp, _flags)
Definition: ged.h:114
int ged_rmat(struct ged *gedp, int argc, const char *argv[])
Definition: rmat.c:36
struct bu_vls * ged_result_str
Definition: ged.h:357
int bn_decode_mat(mat_t m, const char *str)
Support routines for the math functions.
mat_t gv_rotation
Definition: bview.h:220
void bu_vls_printf(struct bu_vls *vls, const char *fmt,...) _BU_ATTR_PRINTF23
Definition: vls.c:694
void bn_encode_mat(struct bu_vls *vp, const mat_t m)
Definition: tcl.c:108