1 /*
2 Teem: Tools to process and visualize scientific data and images .
3 Copyright (C) 2012, 2011, 2010, 2009 University of Chicago
4 Copyright (C) 2008, 2007, 2006, 2005 Gordon Kindlmann
5 Copyright (C) 2004, 2003, 2002, 2001, 2000, 1999, 1998 University of Utah
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 (LGPL) as published by the Free Software Foundation; either
10 version 2.1 of the License, or (at your option) any later version.
11 The terms of redistributing and/or modifying this software also
12 include exceptions to the LGPL that facilitate static linking.
13
14 This library is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 Lesser General Public License for more details.
18
19 You should have received a copy of the GNU Lesser General Public License
20 along with this library; if not, write to Free Software Foundation, Inc.,
21 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22 */
23
24
25 #include "limn.h"
26
27 limnLight *
limnLightNew(void)28 limnLightNew(void) {
29 limnLight *lit;
30
31 lit = (limnLight *)calloc(1, sizeof(limnLight));
32 return lit;
33 }
34
35 limnLight *
limnLightNix(limnLight * lit)36 limnLightNix(limnLight *lit) {
37
38 if (lit) {
39 free(lit);
40 }
41 return NULL;
42 }
43
44 void
limnCameraInit(limnCamera * cam)45 limnCameraInit(limnCamera *cam) {
46
47 if (cam) {
48 cam->atRelative = limnDefCameraAtRelative;
49 cam->orthographic = limnDefCameraOrthographic;
50 cam->rightHanded = limnDefCameraRightHanded;
51 cam->uRange[0] = cam->uRange[1] = AIR_NAN;
52 cam->vRange[0] = cam->vRange[1] = AIR_NAN;
53 cam->fov = AIR_NAN;
54 cam->aspect = AIR_NAN;
55 }
56 return;
57 }
58
59 limnCamera *
limnCameraNew(void)60 limnCameraNew(void) {
61 limnCamera *cam;
62
63 cam = (limnCamera *)calloc(1, sizeof(limnCamera));
64 if (cam) {
65 limnCameraInit(cam);
66 }
67 return cam;
68 }
69
70 limnCamera *
limnCameraNix(limnCamera * cam)71 limnCameraNix(limnCamera *cam) {
72
73 if (cam) {
74 free(cam);
75 }
76 return NULL;
77 }
78
79 void
_limnOptsPSDefaults(limnOptsPS * ps)80 _limnOptsPSDefaults(limnOptsPS *ps) {
81
82 ps->lineWidth[limnEdgeTypeUnknown] = AIR_NAN;
83 ps->lineWidth[limnEdgeTypeBackFacet] = 0.0;
84 ps->lineWidth[limnEdgeTypeBackCrease] = 0.0;
85 ps->lineWidth[limnEdgeTypeContour] = 2.0;
86 ps->lineWidth[limnEdgeTypeFrontCrease] = 1.0;
87 ps->lineWidth[limnEdgeTypeFrontFacet] = 0.0;
88 ps->lineWidth[limnEdgeTypeBorder] = 1.0;
89 ps->lineWidth[limnEdgeTypeLone] = 1.0;
90 ps->creaseAngle = 46;
91 ps->showpage = AIR_FALSE;
92 ps->wireFrame = AIR_FALSE;
93 ps->noBackground = AIR_FALSE;
94 ELL_3V_SET(ps->bg, 1, 1, 1);
95 ELL_3V_SET(ps->edgeColor, 0, 0, 0);
96 }
97
98 limnWindow *
limnWindowNew(int device)99 limnWindowNew(int device) {
100 limnWindow *win;
101
102 win = (limnWindow *)calloc(1, sizeof(limnWindow));
103 if (win) {
104 win->device = device;
105 switch(device) {
106 case limnDevicePS:
107 win->yFlip = 1;
108 _limnOptsPSDefaults(&(win->ps));
109 break;
110 }
111 win->scale = 72;
112 win->file = NULL;
113 }
114 return win;
115 }
116
117 limnWindow *
limnWindowNix(limnWindow * win)118 limnWindowNix(limnWindow *win) {
119
120 if (win) {
121 free(win);
122 }
123 return NULL;
124 }
125