1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
|
/*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2011 Blender Foundation.
* All rights reserved.
*
*
* Contributor(s): Blender Foundation,
* Sergey Sharybin
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file blender/editors/space_clip/clip_graph_draw.c
* \ingroup spclip
*/
#include "DNA_movieclip_types.h"
#include "DNA_scene_types.h"
#include "DNA_object_types.h" /* SELECT */
#include "MEM_guardedalloc.h"
#include "BKE_context.h"
#include "BKE_movieclip.h"
#include "BKE_tracking.h"
#include "BLI_utildefines.h"
#include "BLI_math.h"
#include "BLI_string.h"
#include "ED_screen.h"
#include "ED_clip.h"
#include "BIF_gl.h"
#include "BIF_glutil.h"
#include "WM_types.h"
#include "UI_interface.h"
#include "UI_resources.h"
#include "UI_view2d.h"
#include "BLF_api.h"
#include "clip_intern.h" // own include
static void draw_curve_knot(float x, float y, float xscale, float yscale, float hsize)
{
static GLuint displist = 0;
/* initialize round circle shape */
if (displist == 0) {
GLUquadricObj *qobj;
displist = glGenLists(1);
glNewList(displist, GL_COMPILE);
qobj = gluNewQuadric();
gluQuadricDrawStyle(qobj, GLU_SILHOUETTE);
gluDisk(qobj, 0, 0.7, 8, 1);
gluDeleteQuadric(qobj);
glEndList();
}
glPushMatrix();
glTranslatef(x, y, 0.0f);
glScalef(1.0f / xscale * hsize, 1.0f / yscale * hsize, 1.0f);
glCallList(displist);
glPopMatrix();
}
static void tracking_segment_point_cb(void *UNUSED(userdata), MovieTrackingTrack *UNUSED(track),
MovieTrackingMarker *UNUSED(marker), int UNUSED(coord), int scene_framenr, float val)
{
glVertex2f(scene_framenr, val);
}
void tracking_segment_start_cb(void *userdata, MovieTrackingTrack *track, int coord)
{
static float colors[2][3] = {{1.0f, 0.0f, 0.0f},
{0.0f, 1.0f, 0.0f}};
float col[4];
copy_v3_v3(col, colors[coord]);
if (track == userdata) {
col[3] = 1.0f;
glLineWidth(2.0f);
}
else {
col[3] = 0.5f;
glLineWidth(1.0f);
}
glColor4fv(col);
glBegin(GL_LINE_STRIP);
}
void tracking_segment_end_cb(void *UNUSED(userdata))
{
glEnd();
glLineWidth(1.0f);
}
static void tracking_segment_knot_cb(void *userdata, MovieTrackingTrack *track,
MovieTrackingMarker *marker, int coord, int scene_framenr, float val)
{
struct { MovieTrackingTrack *act_track; int sel; float xscale, yscale, hsize; } *data = userdata;
int sel = 0, sel_flag;
if (track != data->act_track)
return;
sel_flag = coord == 0 ? MARKER_GRAPH_SEL_X : MARKER_GRAPH_SEL_Y;
sel = (marker->flag & sel_flag) ? 1 : 0;
if (sel == data->sel) {
if (sel)
UI_ThemeColor(TH_HANDLE_VERTEX_SELECT);
else
UI_ThemeColor(TH_HANDLE_VERTEX);
draw_curve_knot(scene_framenr, val, data->xscale, data->yscale, data->hsize);
}
}
static void draw_tracks_curves(View2D *v2d, SpaceClip *sc)
{
MovieClip *clip = ED_space_clip(sc);
MovieTracking *tracking = &clip->tracking;
MovieTrackingTrack *act_track = BKE_tracking_track_get_active(tracking);
int width, height;
struct { MovieTrackingTrack *act_track; int sel; float xscale, yscale, hsize; } userdata;
BKE_movieclip_get_size(clip, &sc->user, &width, &height);
if (!width || !height)
return;
/* non-selected knot handles */
userdata.hsize = UI_GetThemeValuef(TH_HANDLE_VERTEX_SIZE);
userdata.sel = FALSE;
userdata.act_track = act_track;
UI_view2d_getscale(v2d, &userdata.xscale, &userdata.yscale);
clip_graph_tracking_values_iterate(sc, sc->flag & SC_SHOW_GRAPH_SEL_ONLY, sc->flag & SC_SHOW_GRAPH_HIDDEN,
&userdata, tracking_segment_knot_cb, NULL, NULL);
/* draw graph lines */
glEnable(GL_BLEND);
clip_graph_tracking_values_iterate(sc, sc->flag & SC_SHOW_GRAPH_SEL_ONLY, sc->flag & SC_SHOW_GRAPH_HIDDEN,
act_track, tracking_segment_point_cb, tracking_segment_start_cb,
tracking_segment_end_cb);
glDisable(GL_BLEND);
/* selected knot handles on top of curves */
userdata.sel = TRUE;
clip_graph_tracking_values_iterate(sc, sc->flag & SC_SHOW_GRAPH_SEL_ONLY, sc->flag & SC_SHOW_GRAPH_HIDDEN,
&userdata, tracking_segment_knot_cb, NULL, NULL);
}
static void draw_frame_curves(SpaceClip *sc)
{
MovieClip *clip = ED_space_clip(sc);
MovieTracking *tracking = &clip->tracking;
MovieTrackingReconstruction *reconstruction = BKE_tracking_get_active_reconstruction(tracking);
int i, lines = 0, prevfra = 0;
glColor3f(0.0f, 0.0f, 1.0f);
for (i = 0; i < reconstruction->camnr; i++) {
MovieReconstructedCamera *camera = &reconstruction->cameras[i];
int framenr;
if (lines && camera->framenr != prevfra + 1) {
glEnd();
lines = 0;
}
if (!lines) {
glBegin(GL_LINE_STRIP);
lines = 1;
}
framenr = BKE_movieclip_remap_clip_to_scene_frame(clip, camera->framenr);
glVertex2f(framenr, camera->error);
prevfra = camera->framenr;
}
if (lines)
glEnd();
}
void clip_draw_graph(SpaceClip *sc, ARegion *ar, Scene *scene)
{
MovieClip *clip = ED_space_clip(sc);
View2D *v2d = &ar->v2d;
View2DGrid *grid;
short unitx = V2D_UNIT_FRAMESCALE, unity = V2D_UNIT_VALUES;
/* grid */
grid = UI_view2d_grid_calc(scene, v2d, unitx, V2D_GRID_NOCLAMP, unity, V2D_GRID_NOCLAMP, ar->winx, ar->winy);
UI_view2d_grid_draw(v2d, grid, V2D_GRIDLINES_ALL);
UI_view2d_grid_free(grid);
if (clip) {
if (sc->flag & SC_SHOW_GRAPH_TRACKS)
draw_tracks_curves(v2d, sc);
if (sc->flag & SC_SHOW_GRAPH_FRAMES)
draw_frame_curves(sc);
}
/* frame range */
clip_draw_sfra_efra(v2d, scene);
/* current frame */
clip_draw_cfra(sc, ar, scene);
}
|