mask focus/pivot pt tweaks, set mask_track_id on update_project, ffmpeg cuda open...
[goodguy/cinelerra.git] / cinelerra-5.1 / cinelerra / cwindowgui.C
1
2 /*
3  * CINELERRA
4  * Copyright (C) 1997-2014 Adam Williams <broadcast at earthling dot net>
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2 of the License, or
9  * (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, write to the Free Software
18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
19  *
20  */
21
22 #include "automation.h"
23 #include "autos.h"
24 #include "bcsignals.h"
25 #include "canvas.h"
26 #include "clip.h"
27 #include "cpanel.h"
28 #include "cplayback.h"
29 #include "ctimebar.h"
30 #include "cursors.h"
31 #include "cwindowgui.h"
32 #include "cwindow.h"
33 #include "cwindowtool.h"
34 #include "editpanel.h"
35 #include "edl.h"
36 #include "edlsession.h"
37 #include "floatauto.h"
38 #include "floatautos.h"
39 #include "keys.h"
40 #include "language.h"
41 #include "localsession.h"
42 #include "mainclock.h"
43 #include "mainmenu.h"
44 #include "mainundo.h"
45 #include "mainsession.h"
46 #include "maskauto.h"
47 #include "maskautos.h"
48 #include "mbuttons.h"
49 #include "meterpanel.h"
50 #include "mwindowgui.h"
51 #include "mwindow.h"
52 #include "mwindow.h"
53 #include "playback3d.h"
54 #include "playtransport.h"
55 #include "theme.h"
56 #include "trackcanvas.h"
57 #include "tracks.h"
58 #include "transportque.h"
59 #include "vtrack.h"
60
61
62 static double my_zoom_table[] =
63 {
64         0.25,
65         0.33,
66         0.50,
67         0.75,
68         1.0,
69         1.5,
70         2.0,
71         3.0,
72         4.0
73 };
74
75 static int total_zooms = sizeof(my_zoom_table) / sizeof(double);
76
77
78 CWindowGUI::CWindowGUI(MWindow *mwindow, CWindow *cwindow)
79  : BC_Window(_(PROGRAM_NAME ": Compositor"),
80         mwindow->session->cwindow_x,
81         mwindow->session->cwindow_y,
82         mwindow->session->cwindow_w,
83         mwindow->session->cwindow_h,
84         100, 100, 1, 1, 1,
85         BC_WindowBase::get_resources()->bg_color,
86         mwindow->get_cwindow_display())
87 {
88         this->mwindow = mwindow;
89         this->cwindow = cwindow;
90         affected_track = 0;
91         affected_x = affected_y = affected_z = 0;
92         mask_keyframe = 0;
93         orig_mask_keyframe = new MaskAuto(0, 0);
94         affected_point = 0;
95         x_offset = y_offset = 0;
96         x_origin = y_origin = 0;
97         current_operation = CWINDOW_NONE;
98         tool_panel = 0;
99         active = 0;
100         inactive = 0;
101         crop_handle = -1; crop_translate = 0;
102         crop_origin_x = crop_origin_y = 0;
103         crop_origin_x1 = crop_origin_y1 = 0;
104         crop_origin_x2 = crop_origin_y2 = 0;
105         eyedrop_visible = 0;
106         eyedrop_x = eyedrop_y = 0;
107         ruler_origin_x = ruler_origin_y = 0;
108         ruler_handle = -1; ruler_translate = 0;
109         center_x = center_y = center_z = 0;
110         control_in_x = control_in_y = 0;
111         control_out_x = control_out_y = 0;
112         translating_zoom = 0;
113         highlighted = 0;
114 }
115
116 CWindowGUI::~CWindowGUI()
117 {
118         cwindow->stop_playback(1);
119         if(tool_panel) delete tool_panel;
120         delete meters;
121         delete composite_panel;
122         delete canvas;
123         delete transport;
124         delete edit_panel;
125         delete zoom_panel;
126         delete active;
127         delete inactive;
128         delete focus_frame;
129         delete orig_mask_keyframe;
130 }
131
132 void CWindowGUI::create_objects()
133 {
134         lock_window("CWindowGUI::create_objects");
135         set_icon(mwindow->theme->get_image("cwindow_icon"));
136
137         active = new BC_Pixmap(this, mwindow->theme->get_image("cwindow_active"));
138         inactive = new BC_Pixmap(this, mwindow->theme->get_image("cwindow_inactive"));
139         focus_frame = new VFramePng(mwindow->theme->get_image_data("cwindow_focus.png"));
140
141         mwindow->theme->get_cwindow_sizes(this, mwindow->session->cwindow_controls);
142         mwindow->theme->draw_cwindow_bg(this);
143         flash();
144
145 // Meters required by composite panel
146         meters = new CWindowMeters(mwindow,
147                 this,
148                 mwindow->theme->cmeter_x,
149                 mwindow->theme->cmeter_y,
150                 mwindow->theme->cmeter_h);
151         meters->create_objects();
152
153
154         composite_panel = new CPanel(mwindow,
155                 this,
156                 mwindow->theme->ccomposite_x,
157                 mwindow->theme->ccomposite_y,
158                 mwindow->theme->ccomposite_w,
159                 mwindow->theme->ccomposite_h);
160         composite_panel->create_objects();
161
162         canvas = new CWindowCanvas(mwindow, this);
163
164         canvas->create_objects(mwindow->edl);
165         canvas->use_cwindow();
166
167
168         add_subwindow(timebar = new CTimeBar(mwindow,
169                 this,
170                 mwindow->theme->ctimebar_x,
171                 mwindow->theme->ctimebar_y,
172                 mwindow->theme->ctimebar_w,
173                 mwindow->theme->ctimebar_h));
174         timebar->create_objects();
175
176 #ifdef USE_SLIDER
177         add_subwindow(slider = new CWindowSlider(mwindow,
178                 cwindow,
179                 mwindow->theme->cslider_x,
180                 mwindow->theme->cslider_y,
181                 mwindow->theme->cslider_w));
182 #endif
183
184         transport = new CWindowTransport(mwindow,
185                 this,
186                 mwindow->theme->ctransport_x,
187                 mwindow->theme->ctransport_y);
188         transport->create_objects();
189 #ifdef USE_SLIDER
190         transport->set_slider(slider);
191 #endif
192
193         edit_panel = new CWindowEditing(mwindow, cwindow);
194         edit_panel->set_meters(meters);
195         edit_panel->create_objects();
196
197 //      add_subwindow(clock = new MainClock(mwindow,
198 //              mwindow->theme->ctime_x,
199 //              mwindow->theme->ctime_y));
200
201         zoom_panel = new CWindowZoom(mwindow,
202                 this,
203                 mwindow->theme->czoom_x,
204                 mwindow->theme->czoom_y,
205                 mwindow->theme->czoom_w);
206         zoom_panel->create_objects();
207         zoom_panel->zoom_text->add_item(new BC_MenuItem(auto_zoom = _(AUTO_ZOOM)));
208         if( !mwindow->edl->session->cwindow_scrollbars )
209                 zoom_panel->set_text(auto_zoom);
210
211 // Must create after meter panel
212         tool_panel = new CWindowTool(mwindow, this);
213         tool_panel->Thread::start();
214
215         set_operation(mwindow->edl->session->cwindow_operation);
216         draw_status(0);
217         unlock_window();
218 }
219
220 int CWindowGUI::translation_event()
221 {
222         mwindow->session->cwindow_x = get_x();
223         mwindow->session->cwindow_y = get_y();
224         return 0;
225 }
226
227 int CWindowGUI::resize_event(int w, int h)
228 {
229         mwindow->session->cwindow_x = get_x();
230         mwindow->session->cwindow_y = get_y();
231         mwindow->session->cwindow_w = w;
232         mwindow->session->cwindow_h = h;
233
234         mwindow->theme->get_cwindow_sizes(this, mwindow->session->cwindow_controls);
235         mwindow->theme->draw_cwindow_bg(this);
236         flash(0);
237
238         composite_panel->reposition_buttons(mwindow->theme->ccomposite_x,
239                 mwindow->theme->ccomposite_y, mwindow->theme->ccomposite_h);
240
241         canvas->reposition_window(mwindow->edl,
242                 mwindow->theme->ccanvas_x,
243                 mwindow->theme->ccanvas_y,
244                 mwindow->theme->ccanvas_w,
245                 mwindow->theme->ccanvas_h);
246
247         timebar->resize_event();
248
249 #ifdef USE_SLIDER
250         slider->reposition_window(mwindow->theme->cslider_x,
251                 mwindow->theme->cslider_y,
252                 mwindow->theme->cslider_w);
253 // Recalibrate pointer motion range
254         slider->set_position();
255 #endif
256
257         transport->reposition_buttons(mwindow->theme->ctransport_x,
258                 mwindow->theme->ctransport_y);
259
260         edit_panel->reposition_buttons(mwindow->theme->cedit_x,
261                 mwindow->theme->cedit_y);
262
263 //      clock->reposition_window(mwindow->theme->ctime_x,
264 //              mwindow->theme->ctime_y);
265
266         zoom_panel->reposition_window(mwindow->theme->czoom_x,
267                 mwindow->theme->czoom_y);
268
269 //      destination->reposition_window(mwindow->theme->cdest_x,
270 //              mwindow->theme->cdest_y);
271
272         meters->reposition_window(mwindow->theme->cmeter_x,
273                 mwindow->theme->cmeter_y,
274                 -1,
275                 mwindow->theme->cmeter_h);
276
277         draw_status(0);
278
279         BC_WindowBase::resize_event(w, h);
280         return 1;
281 }
282
283 int CWindowGUI::button_press_event()
284 {
285         if( current_operation == CWINDOW_NONE &&
286             mwindow->edl != 0 && canvas->get_canvas() &&
287             mwindow->edl->session->cwindow_click2play &&
288             canvas->get_canvas()->get_cursor_over_window() ) {
289                 switch( get_buttonpress() ) {
290                 case LEFT_BUTTON:
291                         if( !cwindow->playback_engine->is_playing_back ) {
292                                 double length = mwindow->edl->tracks->total_playable_length();
293                                 double position = cwindow->playback_engine->get_tracking_position();
294                                 if( position >= length ) transport->goto_start();
295                         }
296                         return transport->forward_play->handle_event();
297                 case MIDDLE_BUTTON:
298                         if( !cwindow->playback_engine->is_playing_back ) {
299                                 double position = cwindow->playback_engine->get_tracking_position();
300                                 if( position <= 0 ) transport->goto_end();
301                         }
302                         return transport->reverse_play->handle_event();
303                 case RIGHT_BUTTON:  // activates popup
304                         break;
305                 case WHEEL_UP:
306                         return transport->frame_forward_play->handle_event();
307                 case WHEEL_DOWN:
308                         return transport->frame_reverse_play->handle_event();
309                 }
310         }
311         if(canvas->get_canvas())
312                 return canvas->button_press_event_base(canvas->get_canvas());
313         return 0;
314 }
315
316 int CWindowGUI::cursor_leave_event()
317 {
318         if(canvas->get_canvas())
319                 return canvas->cursor_leave_event_base(canvas->get_canvas());
320         return 0;
321 }
322
323 int CWindowGUI::cursor_enter_event()
324 {
325         if(canvas->get_canvas())
326                 return canvas->cursor_enter_event_base(canvas->get_canvas());
327         return 0;
328 }
329
330 int CWindowGUI::button_release_event()
331 {
332         if(canvas->get_canvas())
333                 return canvas->button_release_event();
334         return 0;
335 }
336
337 int CWindowGUI::cursor_motion_event()
338 {
339         if(canvas->get_canvas())
340         {
341                 canvas->get_canvas()->unhide_cursor();
342                 return canvas->cursor_motion_event();
343         }
344         return 0;
345 }
346
347
348
349
350
351
352
353 void CWindowGUI::draw_status(int flush)
354 {
355         if( (canvas->get_canvas() && canvas->get_canvas()->get_video_on()) ||
356                 canvas->is_processing )
357         {
358                 draw_pixmap(active,
359                         mwindow->theme->cstatus_x,
360                         mwindow->theme->cstatus_y);
361         }
362         else
363         {
364                 draw_pixmap(inactive,
365                         mwindow->theme->cstatus_x,
366                         mwindow->theme->cstatus_y);
367         }
368
369
370 // printf("CWindowGUI::draw_status %d %d %d\n", __LINE__, mwindow->theme->cstatus_x,
371 //              mwindow->theme->cstatus_y);
372         flash(mwindow->theme->cstatus_x,
373                 mwindow->theme->cstatus_y,
374                 active->get_w(),
375                 active->get_h(),
376                 flush);
377 }
378
379 float CWindowGUI::get_auto_zoom()
380 {
381         float conformed_w, conformed_h;
382         mwindow->edl->calculate_conformed_dimensions(0, conformed_w, conformed_h);
383         float zoom_x = canvas->w / conformed_w;
384         float zoom_y = canvas->h / conformed_h;
385         return zoom_x < zoom_y ? zoom_x : zoom_y;
386 }
387
388 void CWindowGUI::zoom_canvas(double value, int update_menu)
389 {
390         float x = 0, y = 0;
391         float zoom = !value ? get_auto_zoom() : value;
392         EDL *edl = mwindow->edl;
393         edl->session->cwindow_scrollbars = !value ? 0 : 1;
394         if( value ) {
395                 float cx = 0.5f * canvas->w;  x = cx;
396                 float cy = 0.5f * canvas->h;  y = cy;
397                 canvas->canvas_to_output(edl, 0, x, y);
398                 canvas->update_zoom(0, 0, zoom);
399                 float zoom_x, zoom_y, conformed_w, conformed_h;
400                 canvas->get_zooms(edl, 0, zoom_x, zoom_y, conformed_w, conformed_h);
401                 x -= cx / zoom_x;
402                 y -= cy / zoom_y;
403
404         }
405         canvas->update_zoom((int)(x+0.5), (int)(y+0.5), zoom);
406
407         if( update_menu )
408                 zoom_panel->update(value);
409         if( mwindow->edl->session->cwindow_operation == CWINDOW_ZOOM )
410                 composite_panel->cpanel_zoom->update(zoom);
411
412         canvas->reposition_window(mwindow->edl,
413                 mwindow->theme->ccanvas_x, mwindow->theme->ccanvas_y,
414                 mwindow->theme->ccanvas_w, mwindow->theme->ccanvas_h);
415         canvas->refresh(0);
416 }
417
418 void CWindowGUI::set_operation(int value)
419 {
420         switch( value ) {
421         case CWINDOW_TOOL_WINDOW:
422                 mwindow->edl->session->tool_window = !mwindow->edl->session->tool_window;
423                 composite_panel->operation[CWINDOW_TOOL_WINDOW]->update(mwindow->edl->session->tool_window);
424                 tool_panel->update_show_window();
425                 return;
426         case CWINDOW_TITLESAFE:
427                 mwindow->edl->session->safe_regions = !mwindow->edl->session->safe_regions;
428                 composite_panel->operation[CWINDOW_TITLESAFE]->update(mwindow->edl->session->safe_regions);
429                 value = mwindow->edl->session->cwindow_operation;
430                 break;
431         default:
432                 mwindow->edl->session->cwindow_operation = value;
433                 composite_panel->set_operation(value);
434                 break;
435         }
436
437         edit_panel->update();
438         tool_panel->start_tool(value);
439         canvas->refresh(0);
440 }
441
442 void CWindowGUI::update_tool()
443 {
444         tool_panel->update_values();
445 }
446
447 int CWindowGUI::close_event()
448 {
449         cwindow->hide_window();
450         return 1;
451 }
452
453
454 int CWindowGUI::keypress_event()
455 {
456         int result = 0;
457         int cwindow_operation = CWINDOW_NONE;
458
459         switch( get_keypress() ) {
460         case 'w':
461         case 'W':
462                 close_event();
463                 result = 1;
464                 break;
465         case '+':
466         case '=':
467                 keyboard_zoomin();
468                 result = 1;
469                 break;
470         case '-':
471                 keyboard_zoomout();
472                 result = 1;
473                 break;
474         case 'f':
475                 unlock_window();
476                 if( canvas->get_fullscreen() )
477                         canvas->stop_fullscreen();
478                 else
479                         canvas->start_fullscreen();
480                 lock_window("CWindowGUI::keypress_event 1");
481                 result = 1;
482                 break;
483         case 'x':
484                 if( ctrl_down() || shift_down() || alt_down() ) break;
485                 unlock_window();
486                 mwindow->gui->lock_window("CWindowGUI::keypress_event 2");
487                 mwindow->cut();
488                 mwindow->gui->unlock_window();
489                 lock_window("CWindowGUI::keypress_event 2");
490                 result = 1;
491                 break;
492         case DELETE:
493                 unlock_window();
494                 mwindow->gui->lock_window("CWindowGUI::keypress_event 2");
495                 mwindow->clear_entry();
496                 mwindow->gui->unlock_window();
497                 lock_window("CWindowGUI::keypress_event 3");
498                 result = 1;
499                 break;
500         case ESC:
501                 unlock_window();
502                 if( canvas->get_fullscreen() )
503                         canvas->stop_fullscreen();
504                 lock_window("CWindowGUI::keypress_event 4");
505                 result = 1;
506                 break;
507         case LEFT:
508                 if( !ctrl_down() ) {
509                         int alt_down = this->alt_down();
510                         int shift_down = this->shift_down();
511                         unlock_window();
512                         stop_transport(0);
513                         mwindow->gui->lock_window("CWindowGUI::keypress_event 5");
514                         if( alt_down )
515                                 mwindow->prev_edit_handle(shift_down);
516                         else
517                                 mwindow->move_left();
518                         mwindow->gui->unlock_window();
519                         lock_window("CWindowGUI::keypress_event 6");
520                         result = 1;
521                 }
522                 break;
523
524         case ',':
525                 if( !ctrl_down() && !alt_down() ) {
526                         unlock_window();
527                         stop_transport(0);
528                         mwindow->gui->lock_window("CWindowGUI::keypress_event 7");
529                         mwindow->move_left();
530                         mwindow->gui->unlock_window();
531                         lock_window("CWindowGUI::keypress_event 8");
532                         result = 1;
533                 }
534                 break;
535
536         case RIGHT:
537                 if( !ctrl_down() ) {
538                         int alt_down = this->alt_down();
539                         int shift_down = this->shift_down();
540                         unlock_window();
541                         stop_transport(0);
542                         mwindow->gui->lock_window("CWindowGUI::keypress_event 8");
543                         if( alt_down )
544                                 mwindow->next_edit_handle(shift_down);
545                         else
546                                 mwindow->move_right();
547                         mwindow->gui->unlock_window();
548                         lock_window("CWindowGUI::keypress_event 9");
549                         result = 1;
550                 }
551                 break;
552
553         case '.':
554                 if( !ctrl_down() && !alt_down() ) {
555                         unlock_window();
556                         stop_transport(0);
557                         mwindow->gui->lock_window("CWindowGUI::keypress_event 10");
558                         mwindow->move_right();
559                         mwindow->gui->unlock_window();
560                         lock_window("CWindowGUI::keypress_event 11");
561                         result = 1;
562                 }
563                 break;
564         }
565
566         if( !result && cwindow_operation < 0 && ctrl_down() && shift_down() ) {
567                 switch( get_keypress() ) {
568                 case KEY_F1 ... KEY_F4: // mainmenu, load layout
569                         resend_event(mwindow->gui);
570                         result = 1;
571                         break;
572                 }
573         }
574         if( !result && !ctrl_down() ) {
575                 switch( get_keypress() ) {
576                 case KEY_F1:
577                         if( shift_down() ) {
578                                 mwindow->toggle_camera_xyz();  result = 1;
579                         }
580                         else
581                                 cwindow_operation = CWINDOW_PROTECT;
582                         break;
583                 case KEY_F2:
584                         if( shift_down() ) {
585                                 mwindow->toggle_projector_xyz();  result = 1;
586                         }
587                         else
588                                 cwindow_operation = CWINDOW_ZOOM;
589                         break;
590                 }
591         }
592         if( !result && cwindow_operation < 0 && !ctrl_down() && !shift_down() ) {
593                 switch( get_keypress() ) {
594                 case KEY_F3:    cwindow_operation = CWINDOW_MASK;       break;
595                 case KEY_F4:    cwindow_operation = CWINDOW_RULER;      break;
596                 case KEY_F5:    cwindow_operation = CWINDOW_CAMERA;     break;
597                 case KEY_F6:    cwindow_operation = CWINDOW_PROJECTOR;  break;
598                 case KEY_F7:    cwindow_operation = CWINDOW_CROP;       break;
599                 case KEY_F8:    cwindow_operation = CWINDOW_EYEDROP;    break;
600                 case KEY_F9:    cwindow_operation = CWINDOW_TOOL_WINDOW; break;
601                 case KEY_F10:   cwindow_operation = CWINDOW_TITLESAFE;  break;
602                 }
603         }
604         if( !result && cwindow_operation < 0 && !ctrl_down() ) {
605                 switch( get_keypress() ) {
606                 case KEY_F11:
607                         if( !shift_down() )
608                                 canvas->reset_camera();
609                         else
610                                 canvas->camera_keyframe();
611                         result = 1;
612                         break;
613                 case KEY_F12:
614                         if( !shift_down() )
615                                 canvas->reset_projector();
616                         else
617                                 canvas->projector_keyframe();
618                         result = 1;
619                         break;
620                 }
621         }
622
623         if( cwindow_operation >= 0 ) {
624                 set_operation(cwindow_operation);
625                 result = 1;
626         }
627
628         if( !result )
629                 result = transport->keypress_event();
630
631         return result;
632 }
633
634
635 void CWindowGUI::reset_affected()
636 {
637         affected_x = 0;
638         affected_y = 0;
639         affected_z = 0;
640 }
641
642 void CWindowGUI::keyboard_zoomin()
643 {
644 //      if(mwindow->edl->session->cwindow_scrollbars)
645 //      {
646                 zoom_panel->zoom_tumbler->handle_up_event();
647 //      }
648 //      else
649 //      {
650 //      }
651 }
652
653 void CWindowGUI::keyboard_zoomout()
654 {
655 //      if(mwindow->edl->session->cwindow_scrollbars)
656 //      {
657                 zoom_panel->zoom_tumbler->handle_down_event();
658 //      }
659 //      else
660 //      {
661 //      }
662 }
663
664 void CWindowGUI::sync_parameters(int change_type, int redraw, int overlay)
665 {
666         if( redraw ) {
667                 update_tool();
668                 canvas->refresh(1);
669         }
670         if( change_type < 0 && !overlay ) return;
671         unlock_window();
672         if( change_type >= 0 ) {
673                 mwindow->restart_brender();
674                 mwindow->sync_parameters(change_type);
675         }
676         if( overlay ) {
677                 mwindow->gui->lock_window("CWindowGUI::sync_parameters");
678                 mwindow->gui->draw_overlays(1);
679                 mwindow->gui->unlock_window();
680         }
681         lock_window("CWindowGUI::sync_parameters");
682 }
683
684 void CWindowGUI::drag_motion()
685 {
686         if(get_hidden()) return;
687
688         if(mwindow->session->current_operation != DRAG_ASSET &&
689                 mwindow->session->current_operation != DRAG_VTRANSITION &&
690                 mwindow->session->current_operation != DRAG_VEFFECT) return;
691         int need_highlight = cursor_above() && get_cursor_over_window();
692         if( highlighted == need_highlight ) return;
693         highlighted = need_highlight;
694         canvas->refresh(1);
695 }
696
697 int CWindowGUI::drag_stop()
698 {
699         int result = 0;
700         if(get_hidden()) return 0;
701         if( !highlighted ) return 0;
702         if( mwindow->session->current_operation != DRAG_ASSET &&
703             mwindow->session->current_operation != DRAG_VTRANSITION &&
704             mwindow->session->current_operation != DRAG_VEFFECT) return 0;
705         highlighted = 0;
706         canvas->refresh(1);
707         result = 1;
708
709         if(mwindow->session->current_operation == DRAG_ASSET)
710         {
711                 if(mwindow->session->drag_assets->total ||
712                         mwindow->session->drag_clips->total)
713                 {
714                         mwindow->gui->lock_window("CWindowGUI::drag_stop 1");
715                         mwindow->undo->update_undo_before(_("insert assets"), 0);
716                 }
717
718                 if(mwindow->session->drag_assets->total)
719                 {
720                         mwindow->clear(0);
721                         mwindow->load_assets(mwindow->session->drag_assets,
722                                 mwindow->edl->local_session->get_selectionstart(),
723                                 LOADMODE_PASTE,
724                                 mwindow->session->track_highlighted,
725                                 0,
726                                 mwindow->edl->session->labels_follow_edits,
727                                 mwindow->edl->session->plugins_follow_edits,
728                                 mwindow->edl->session->autos_follow_edits,
729                                 0); // overwrite
730                 }
731
732                 if(mwindow->session->drag_clips->total)
733                 {
734                         mwindow->clear(0);
735                         mwindow->paste_edls(mwindow->session->drag_clips,
736                                 LOADMODE_PASTE,
737                                 mwindow->session->track_highlighted,
738                                 mwindow->edl->local_session->get_selectionstart(),
739                                 mwindow->edl->session->labels_follow_edits,
740                                 mwindow->edl->session->plugins_follow_edits,
741                                 mwindow->edl->session->autos_follow_edits,
742                                 0); // overwrite
743                 }
744
745                 if(mwindow->session->drag_assets->total ||
746                         mwindow->session->drag_clips->total)
747                 {
748                         mwindow->save_backup();
749                         mwindow->restart_brender();
750                         mwindow->gui->update(1, NORMAL_DRAW, 1, 1, 0, 1, 0);
751                         mwindow->undo->update_undo_after(_("insert assets"), LOAD_ALL);
752                         mwindow->gui->unlock_window();
753                         sync_parameters(CHANGE_ALL);
754                 }
755         }
756
757         if(mwindow->session->current_operation == DRAG_VEFFECT)
758         {
759 //printf("CWindowGUI::drag_stop 1\n");
760                 Track *affected_track = cwindow->calculate_affected_track();
761 //printf("CWindowGUI::drag_stop 2\n");
762
763                 mwindow->gui->lock_window("CWindowGUI::drag_stop 3");
764                 mwindow->insert_effects_cwindow(affected_track);
765                 mwindow->session->current_operation = NO_OPERATION;
766                 mwindow->gui->unlock_window();
767         }
768
769         if(mwindow->session->current_operation == DRAG_VTRANSITION)
770         {
771                 Track *affected_track = cwindow->calculate_affected_track();
772                 mwindow->gui->lock_window("CWindowGUI::drag_stop 4");
773                 mwindow->paste_transition_cwindow(affected_track);
774                 mwindow->session->current_operation = NO_OPERATION;
775                 mwindow->gui->unlock_window();
776         }
777
778         return result;
779 }
780
781 void CWindowGUI::update_meters()
782 {
783         if(mwindow->edl->session->cwindow_meter != meters->visible)
784         {
785                 meters->set_meters(meters->meter_count, mwindow->edl->session->cwindow_meter);
786                 mwindow->theme->get_cwindow_sizes(this, mwindow->session->cwindow_controls);
787                 resize_event(get_w(), get_h());
788         }
789 }
790
791 void CWindowGUI::stop_transport(const char *lock_msg)
792 {
793         if( lock_msg ) unlock_window();
794         mwindow->stop_transport();
795         if( lock_msg ) lock_window(lock_msg);
796 }
797
798
799 CWindowEditing::CWindowEditing(MWindow *mwindow, CWindow *cwindow)
800  : EditPanel(mwindow, cwindow->gui, CWINDOW_ID,
801                 mwindow->theme->cedit_x, mwindow->theme->cedit_y,
802                 mwindow->edl->session->editing_mode,
803                 0, // use_editing_mode
804                 1, // use_keyframe
805                 0, // use_splice
806                 0, // use_overwrite
807                 1, // use_copy
808                 1, // use_paste
809                 1, // use_undo
810                 0, // use_fit
811                 0, // locklabels
812                 1, // use_labels
813                 1, // use_toclip
814                 1, // use_meters
815                 1, // use_cut
816                 0, // use_commerical
817                 0, // use_goto
818                 1) // use_clk2play
819 {
820         this->mwindow = mwindow;
821         this->cwindow = cwindow;
822 }
823
824 #define relock_cm(s) \
825  cwindow->gui->unlock_window(); \
826  mwindow->gui->lock_window("CWindowEditing::" s)
827 #define relock_mc(s) \
828  mwindow->gui->unlock_window(); \
829  cwindow->gui->lock_window("CWindowEditing::" s)
830 #define panel_fn(fn, args, s) \
831  CWindowEditing::fn args { relock_cm(#fn); s; relock_mc(#fn); }
832
833 // transmit lock to mwindow, and run mbutton->edit_panel->s
834 #define panel_btn(fn, args, s) \
835  panel_fn(panel_##fn, args, mwindow->gui->mbuttons->edit_panel->panel_##s)
836
837
838 double CWindowEditing::get_position()
839 {
840         relock_cm("get_position");
841         double ret = mwindow->edl->local_session->get_selectionstart(1);
842         relock_mc("get_position");
843         return ret;
844 }
845
846 void CWindowEditing::set_position(double position)
847 {
848         relock_cm("set_position");
849         mwindow->gui->mbuttons->edit_panel->set_position(position);
850         relock_mc("set_position");
851 }
852
853 void CWindowEditing::set_click_to_play(int v)
854 {
855         relock_cm("set_position");
856         mwindow->edl->session->cwindow_click2play = v;
857         relock_mc("set_position");
858         click2play->update(v);
859 }
860
861
862 void panel_btn(stop_transport,(), stop_transport())
863 void panel_btn(toggle_label,(), toggle_label())
864 void panel_btn(next_label,(int cut), next_label(cut))
865 void panel_btn(prev_label,(int cut), prev_label(cut))
866 void panel_btn(next_edit,(int cut), next_edit(cut))
867 void panel_btn(prev_edit,(int cut), prev_edit(cut))
868 void panel_fn(panel_copy_selection,(), mwindow->copy())
869 void CWindowEditing::panel_overwrite_selection() {} // not used
870 void CWindowEditing::panel_splice_selection() {} // not used
871 void panel_btn(set_inpoint,(), set_inpoint())
872 void panel_btn(set_outpoint,(), set_outpoint())
873 void panel_btn(unset_inoutpoint,(), unset_inoutpoint())
874 void panel_fn(panel_to_clip,(), mwindow->to_clip(mwindow->edl, _("main window: "), 0))
875 void panel_btn(cut,(), cut())
876 void panel_btn(paste,(), paste())
877 void panel_btn(fit_selection,(), fit_selection())
878 void panel_btn(fit_autos,(int all), fit_autos(all))
879 void panel_btn(set_editing_mode,(int mode), set_editing_mode(mode))
880 void panel_btn(set_auto_keyframes,(int v), set_auto_keyframes(v))
881 void panel_btn(set_labels_follow_edits,(int v), set_labels_follow_edits(v))
882
883
884 CWindowMeters::CWindowMeters(MWindow *mwindow,
885         CWindowGUI *gui, int x, int y, int h)
886  : MeterPanel(mwindow, gui, x, y, -1, h,
887                 mwindow->edl->session->audio_channels,
888                 mwindow->edl->session->cwindow_meter,
889                 0, 0)
890 {
891         this->mwindow = mwindow;
892         this->gui = gui;
893 }
894
895 CWindowMeters::~CWindowMeters()
896 {
897 }
898
899 int CWindowMeters::change_status_event(int new_status)
900 {
901         mwindow->edl->session->cwindow_meter = new_status;
902         gui->update_meters();
903         return 1;
904 }
905
906
907
908
909 CWindowZoom::CWindowZoom(MWindow *mwindow, CWindowGUI *gui, int x, int y, int w)
910  : ZoomPanel(mwindow, gui, (double)mwindow->edl->session->cwindow_zoom,
911         x, y, w, my_zoom_table, total_zooms, ZOOM_PERCENTAGE)
912 {
913         this->mwindow = mwindow;
914         this->gui = gui;
915 }
916
917 CWindowZoom::~CWindowZoom()
918 {
919 }
920
921 void CWindowZoom::update(double value)
922 {
923         char string[BCSTRLEN];
924         const char *cp = string;
925         if( value ) {
926                 this->value = value;
927                 int frac = value >= 1.0f ? 1 :
928                            value >= 0.1f ? 2 :
929                            value >= .01f ? 3 : 4;
930                 sprintf(string, "x %.*f", frac, value);
931         }
932         else
933                 cp = gui->auto_zoom;
934         ZoomPanel::update(cp);
935 }
936
937 int CWindowZoom::handle_event()
938 {
939         double value = !strcasecmp(gui->auto_zoom, get_text()) ? 0 : get_value();
940         gui->zoom_canvas(value, 0);
941         return 1;
942 }
943
944
945
946 #ifdef USE_SLIDER
947 CWindowSlider::CWindowSlider(MWindow *mwindow, CWindow *cwindow, int x, int y, int pixels)
948  : BC_PercentageSlider(x,
949                         y,
950                         0,
951                         pixels,
952                         pixels,
953                         0,
954                         1,
955                         0)
956 {
957         this->mwindow = mwindow;
958         this->cwindow = cwindow;
959         set_precision(0.00001);
960 }
961
962 CWindowSlider::~CWindowSlider()
963 {
964 }
965
966 int CWindowSlider::handle_event()
967 {
968         cwindow->update_position((double)get_value());
969         return 1;
970 }
971
972 void CWindowSlider::set_position()
973 {
974         double new_length = mwindow->edl->tracks->total_length();
975         update(mwindow->theme->cslider_w,
976                 mwindow->edl->local_session->get_selectionstart(1),
977                 0, new_length);
978 }
979
980
981 int CWindowSlider::increase_value()
982 {
983         unlock_window();
984         cwindow->gui->transport->handle_transport(SINGLE_FRAME_FWD);
985         lock_window("CWindowSlider::increase_value");
986         return 1;
987 }
988
989 int CWindowSlider::decrease_value()
990 {
991         unlock_window();
992         cwindow->gui->transport->handle_transport(SINGLE_FRAME_REWIND);
993         lock_window("CWindowSlider::decrease_value");
994         return 1;
995 }
996 #endif // USE_SLIDER
997
998
999 CWindowTransport::CWindowTransport(MWindow *mwindow,
1000         CWindowGUI *gui, int x, int y)
1001  : PlayTransport(mwindow, gui, x, y)
1002 {
1003         this->gui = gui;
1004 }
1005
1006 EDL* CWindowTransport::get_edl()
1007 {
1008         return mwindow->edl;
1009 }
1010
1011 void CWindowTransport::goto_start()
1012 {
1013         gui->unlock_window();
1014         handle_transport(REWIND, 1);
1015
1016         mwindow->gui->lock_window("CWindowTransport::goto_start 1");
1017         mwindow->goto_start();
1018         mwindow->gui->unlock_window();
1019
1020         gui->lock_window("CWindowTransport::goto_start 2");
1021 }
1022
1023 void CWindowTransport::goto_end()
1024 {
1025         gui->unlock_window();
1026         handle_transport(GOTO_END, 1);
1027
1028         mwindow->gui->lock_window("CWindowTransport::goto_end 1");
1029         mwindow->goto_end();
1030         mwindow->gui->unlock_window();
1031
1032         gui->lock_window("CWindowTransport::goto_end 2");
1033 }
1034
1035
1036
1037 CWindowCanvas::CWindowCanvas(MWindow *mwindow, CWindowGUI *gui)
1038  : Canvas(mwindow,
1039         gui,
1040         mwindow->theme->ccanvas_x,
1041         mwindow->theme->ccanvas_y,
1042         mwindow->theme->ccanvas_w,
1043         mwindow->theme->ccanvas_h,
1044         0,
1045         0,
1046         mwindow->edl->session->cwindow_scrollbars)
1047 {
1048         this->mwindow = mwindow;
1049         this->gui = gui;
1050 }
1051
1052 void CWindowCanvas::status_event()
1053 {
1054         gui->draw_status(1);
1055 }
1056
1057 void CWindowCanvas::update_zoom(int x, int y, float zoom)
1058 {
1059         use_scrollbars = mwindow->edl->session->cwindow_scrollbars;
1060
1061         mwindow->edl->session->cwindow_xscroll = x;
1062         mwindow->edl->session->cwindow_yscroll = y;
1063         mwindow->edl->session->cwindow_zoom = zoom;
1064 }
1065
1066 void CWindowCanvas::zoom_auto()
1067 {
1068         gui->zoom_canvas(0, 1);
1069 }
1070
1071 int CWindowCanvas::get_xscroll()
1072 {
1073         return mwindow->edl->session->cwindow_xscroll;
1074 }
1075
1076 int CWindowCanvas::get_yscroll()
1077 {
1078         return mwindow->edl->session->cwindow_yscroll;
1079 }
1080
1081
1082 float CWindowCanvas::get_zoom()
1083 {
1084         return mwindow->edl->session->cwindow_zoom;
1085 }
1086
1087 void CWindowCanvas::draw_refresh(int flush)
1088 {
1089         BC_WindowBase *window = get_canvas();
1090         if( window && !window->get_video_on() ) {
1091                 clear(0);
1092                 if( refresh_frame && refresh_frame->get_w()>0 && refresh_frame->get_h()>0 ) {
1093                         float in_x1, in_y1, in_x2, in_y2;
1094                         float out_x1, out_y1, out_x2, out_y2;
1095                         get_transfers(mwindow->edl,
1096                                 in_x1, in_y1, in_x2, in_y2,
1097                                 out_x1, out_y1, out_x2, out_y2);
1098
1099
1100 //printf("CWindowCanvas::draw_refresh %.2f %.2f %.2f %.2f -> %.2f %.2f %.2f %.2f\n",
1101 //in_x1, in_y1, in_x2, in_y2, out_x1, out_y1, out_x2, out_y2);
1102
1103
1104                         if( out_x2 > out_x1 && out_y2 > out_y1 &&
1105                             in_x2 > in_x1 && in_y2 > in_y1 ) {
1106 // input scaled from session to refresh frame coordinates
1107                                 int ow = get_output_w(mwindow->edl);
1108                                 int oh = get_output_h(mwindow->edl);
1109                                 int rw = refresh_frame->get_w();
1110                                 int rh = refresh_frame->get_h();
1111                                 float xs = (float)rw / ow;
1112                                 float ys = (float)rh / oh;
1113                                 in_x1 *= xs;  in_x2 *= xs;
1114                                 in_y1 *= ys;  in_y2 *= ys;
1115 // Can't use OpenGL here because it is called asynchronously of the
1116 // playback operation.
1117                                 window->draw_vframe(refresh_frame,
1118                                                 (int)out_x1, (int)out_y1,
1119                                                 (int)(out_x2 - out_x1),
1120                                                 (int)(out_y2 - out_y1),
1121                                                 (int)in_x1, (int)in_y1,
1122                                                 (int)(in_x2 - in_x1),
1123                                                 (int)(in_y2 - in_y1),
1124                                                 0);
1125                         }
1126                 }
1127 //usleep(10000);
1128                 draw_overlays();
1129                 window->flash(flush);
1130         }
1131 //printf("CWindowCanvas::draw_refresh 10\n");
1132 }
1133
1134 #define CROPHANDLE_W 10
1135 #define CROPHANDLE_H 10
1136
1137 void CWindowCanvas::draw_crophandle(int x, int y)
1138 {
1139         get_canvas()->draw_box(x, y, CROPHANDLE_W, CROPHANDLE_H);
1140 }
1141
1142
1143 #define CONTROL_W 10
1144 #define CONTROL_H 10
1145 #define FIRST_CONTROL_W 20
1146 #define FIRST_CONTROL_H 20
1147 #undef BC_INFINITY
1148 #define BC_INFINITY 65536
1149
1150 #define RULERHANDLE_W 16
1151 #define RULERHANDLE_H 16
1152
1153 int CWindowCanvas::do_ruler(int draw,
1154         int motion,
1155         int button_press,
1156         int button_release)
1157 {
1158         int result = 0;
1159         float x1 = mwindow->edl->session->ruler_x1;
1160         float y1 = mwindow->edl->session->ruler_y1;
1161         float x2 = mwindow->edl->session->ruler_x2;
1162         float y2 = mwindow->edl->session->ruler_y2;
1163         float canvas_x1 = x1;
1164         float canvas_y1 = y1;
1165         float canvas_x2 = x2;
1166         float canvas_y2 = y2;
1167         float output_x = get_cursor_x();
1168         float output_y = get_cursor_y();
1169         float canvas_cursor_x = output_x;
1170         float canvas_cursor_y = output_y;
1171
1172         canvas_to_output(mwindow->edl, 0, output_x, output_y);
1173         output_to_canvas(mwindow->edl, 0, canvas_x1, canvas_y1);
1174         output_to_canvas(mwindow->edl, 0, canvas_x2, canvas_y2);
1175         mwindow->session->cwindow_output_x = roundf(output_x);
1176         mwindow->session->cwindow_output_y = roundf(output_y);
1177
1178         if(button_press && get_buttonpress() == 1)
1179         {
1180                 gui->ruler_handle = -1;
1181                 gui->ruler_translate = 0;
1182                 if(gui->alt_down())
1183                 {
1184                         gui->ruler_translate = 1;
1185                         gui->ruler_origin_x = x1;
1186                         gui->ruler_origin_y = y1;
1187                 }
1188                 else
1189                 if(canvas_cursor_x >= canvas_x1 - RULERHANDLE_W / 2 &&
1190                         canvas_cursor_x < canvas_x1 + RULERHANDLE_W / 2 &&
1191                         canvas_cursor_y >= canvas_y1 - RULERHANDLE_W &&
1192                         canvas_cursor_y < canvas_y1 + RULERHANDLE_H / 2)
1193                 {
1194                         gui->ruler_handle = 0;
1195                         gui->ruler_origin_x = x1;
1196                         gui->ruler_origin_y = y1;
1197                 }
1198                 else
1199                 if(canvas_cursor_x >= canvas_x2 - RULERHANDLE_W / 2 &&
1200                         canvas_cursor_x < canvas_x2 + RULERHANDLE_W / 2 &&
1201                         canvas_cursor_y >= canvas_y2 - RULERHANDLE_W &&
1202                         canvas_cursor_y < canvas_y2 + RULERHANDLE_H / 2)
1203                 {
1204                         gui->ruler_handle = 1;
1205                         gui->ruler_origin_x = x2;
1206                         gui->ruler_origin_y = y2;
1207                 }
1208
1209
1210 // Start new selection
1211                 if(!gui->ruler_translate &&
1212                         (gui->ruler_handle < 0 ||
1213                         (EQUIV(x2, x1) &&
1214                         EQUIV(y2, y1))))
1215                 {
1216 // Hide previous
1217                         do_ruler(1, 0, 0, 0);
1218                         get_canvas()->flash();
1219                         gui->ruler_handle = 1;
1220                         mwindow->edl->session->ruler_x1 = output_x;
1221                         mwindow->edl->session->ruler_y1 = output_y;
1222                         mwindow->edl->session->ruler_x2 = output_x;
1223                         mwindow->edl->session->ruler_y2 = output_y;
1224                         gui->ruler_origin_x = mwindow->edl->session->ruler_x2;
1225                         gui->ruler_origin_y = mwindow->edl->session->ruler_y2;
1226                 }
1227
1228                 gui->x_origin = output_x;
1229                 gui->y_origin = output_y;
1230                 gui->current_operation = CWINDOW_RULER;
1231                 gui->tool_panel->raise_window();
1232                 result = 1;
1233         }
1234
1235         if(motion)
1236         {
1237                 if(gui->current_operation == CWINDOW_RULER)
1238                 {
1239                         if(gui->ruler_translate)
1240                         {
1241 // Hide ruler
1242                                 do_ruler(1, 0, 0, 0);
1243                                 float x_difference = mwindow->edl->session->ruler_x1;
1244                                 float y_difference = mwindow->edl->session->ruler_y1;
1245                                 mwindow->edl->session->ruler_x1 = output_x - gui->x_origin + gui->ruler_origin_x;
1246                                 mwindow->edl->session->ruler_y1 = output_y - gui->y_origin + gui->ruler_origin_y;
1247                                 x_difference -= mwindow->edl->session->ruler_x1;
1248                                 y_difference -= mwindow->edl->session->ruler_y1;
1249                                 mwindow->edl->session->ruler_x2 -= x_difference;
1250                                 mwindow->edl->session->ruler_y2 -= y_difference;
1251 // Show ruler
1252                                 do_ruler(1, 0, 0, 0);
1253                                 get_canvas()->flash();
1254                                 gui->update_tool();
1255                         }
1256                         else
1257                         switch(gui->ruler_handle)
1258                         {
1259                                 case 0:
1260                                         do_ruler(1, 0, 0, 0);
1261                                         mwindow->edl->session->ruler_x1 = output_x - gui->x_origin + gui->ruler_origin_x;
1262                                         mwindow->edl->session->ruler_y1 = output_y - gui->y_origin + gui->ruler_origin_y;
1263                                         if(gui->alt_down() || gui->ctrl_down())
1264                                         {
1265                                                 double angle_value = fabs(atan((mwindow->edl->session->ruler_y2 - mwindow->edl->session->ruler_y1) /
1266                                                         (mwindow->edl->session->ruler_x2 - mwindow->edl->session->ruler_x1)) *
1267                                                         360 /
1268                                                         2 /
1269                                                         M_PI);
1270                                                 double distance_value =
1271                                                         sqrt(SQR(mwindow->edl->session->ruler_x2 - mwindow->edl->session->ruler_x1) +
1272                                                         SQR(mwindow->edl->session->ruler_y2 - mwindow->edl->session->ruler_y1));
1273                                                 if(angle_value < 22)
1274                                                         mwindow->edl->session->ruler_y1 = mwindow->edl->session->ruler_y2;
1275                                                 else
1276                                                 if(angle_value > 67)
1277                                                         mwindow->edl->session->ruler_x1 = mwindow->edl->session->ruler_x2;
1278                                                 else
1279                                                 if(mwindow->edl->session->ruler_x1 < mwindow->edl->session->ruler_x2 &&
1280                                                         mwindow->edl->session->ruler_y1 < mwindow->edl->session->ruler_y2)
1281                                                 {
1282                                                         mwindow->edl->session->ruler_x1 = mwindow->edl->session->ruler_x2 - distance_value / 1.414214;
1283                                                         mwindow->edl->session->ruler_y1 = mwindow->edl->session->ruler_y2 - distance_value / 1.414214;
1284                                                 }
1285                                                 else
1286                                                 if(mwindow->edl->session->ruler_x1 < mwindow->edl->session->ruler_x2 && mwindow->edl->session->ruler_y1 > mwindow->edl->session->ruler_y2)
1287                                                 {
1288                                                         mwindow->edl->session->ruler_x1 = mwindow->edl->session->ruler_x2 - distance_value / 1.414214;
1289                                                         mwindow->edl->session->ruler_y1 = mwindow->edl->session->ruler_y2 + distance_value / 1.414214;
1290                                                 }
1291                                                 else
1292                                                 if(mwindow->edl->session->ruler_x1 > mwindow->edl->session->ruler_x2 &&
1293                                                         mwindow->edl->session->ruler_y1 < mwindow->edl->session->ruler_y2)
1294                                                 {
1295                                                         mwindow->edl->session->ruler_x1 = mwindow->edl->session->ruler_x2 + distance_value / 1.414214;
1296                                                         mwindow->edl->session->ruler_y1 = mwindow->edl->session->ruler_y2 - distance_value / 1.414214;
1297                                                 }
1298                                                 else
1299                                                 {
1300                                                         mwindow->edl->session->ruler_x1 = mwindow->edl->session->ruler_x2 + distance_value / 1.414214;
1301                                                         mwindow->edl->session->ruler_y1 = mwindow->edl->session->ruler_y2 + distance_value / 1.414214;
1302                                                 }
1303                                         }
1304                                         do_ruler(1, 0, 0, 0);
1305                                         get_canvas()->flash();
1306                                         gui->update_tool();
1307                                         break;
1308
1309                                 case 1:
1310                                         do_ruler(1, 0, 0, 0);
1311                                         mwindow->edl->session->ruler_x2 = output_x - gui->x_origin + gui->ruler_origin_x;
1312                                         mwindow->edl->session->ruler_y2 = output_y - gui->y_origin + gui->ruler_origin_y;
1313                                         if(gui->alt_down() || gui->ctrl_down())
1314                                         {
1315                                                 double angle_value = fabs(atan((mwindow->edl->session->ruler_y2 - mwindow->edl->session->ruler_y1) /
1316                                                         (mwindow->edl->session->ruler_x2 - mwindow->edl->session->ruler_x1)) *
1317                                                         360 /
1318                                                         2 /
1319                                                         M_PI);
1320                                                 double distance_value =
1321                                                         sqrt(SQR(mwindow->edl->session->ruler_x2 - mwindow->edl->session->ruler_x1) +
1322                                                         SQR(mwindow->edl->session->ruler_y2 - mwindow->edl->session->ruler_y1));
1323                                                 if(angle_value < 22)
1324                                                         mwindow->edl->session->ruler_y2 = mwindow->edl->session->ruler_y1;
1325                                                 else
1326                                                 if(angle_value > 67)
1327                                                         mwindow->edl->session->ruler_x2 = mwindow->edl->session->ruler_x1;
1328                                                 else
1329                                                 if(mwindow->edl->session->ruler_x2 < mwindow->edl->session->ruler_x1 &&
1330                                                         mwindow->edl->session->ruler_y2 < mwindow->edl->session->ruler_y1)
1331                                                 {
1332                                                         mwindow->edl->session->ruler_x2 = mwindow->edl->session->ruler_x1 - distance_value / 1.414214;
1333                                                         mwindow->edl->session->ruler_y2 = mwindow->edl->session->ruler_y1 - distance_value / 1.414214;
1334                                                 }
1335                                                 else
1336                                                 if(mwindow->edl->session->ruler_x2 < mwindow->edl->session->ruler_x1 &&
1337                                                         mwindow->edl->session->ruler_y2 > mwindow->edl->session->ruler_y1)
1338                                                 {
1339                                                         mwindow->edl->session->ruler_x2 = mwindow->edl->session->ruler_x1 - distance_value / 1.414214;
1340                                                         mwindow->edl->session->ruler_y2 = mwindow->edl->session->ruler_y1 + distance_value / 1.414214;
1341                                                 }
1342                                                 else
1343                                                 if(mwindow->edl->session->ruler_x2 > mwindow->edl->session->ruler_x1 && mwindow->edl->session->ruler_y2 < mwindow->edl->session->ruler_y1)
1344                                                 {
1345                                                         mwindow->edl->session->ruler_x2 = mwindow->edl->session->ruler_x1 + distance_value / 1.414214;
1346                                                         mwindow->edl->session->ruler_y2 = mwindow->edl->session->ruler_y1 - distance_value / 1.414214;
1347                                                 }
1348                                                 else
1349                                                 {
1350                                                         mwindow->edl->session->ruler_x2 = mwindow->edl->session->ruler_x1 + distance_value / 1.414214;
1351                                                         mwindow->edl->session->ruler_y2 = mwindow->edl->session->ruler_y1 + distance_value / 1.414214;
1352                                                 }
1353                                         }
1354                                         do_ruler(1, 0, 0, 0);
1355                                         get_canvas()->flash();
1356                                         gui->update_tool();
1357                                         break;
1358                         }
1359 //printf("CWindowCanvas::do_ruler 2 %f %f %f %f\n", gui->ruler_x1, gui->ruler_y1, gui->ruler_x2, gui->ruler_y2);
1360                 }
1361                 else
1362                 {
1363 // printf("CWindowCanvas::do_ruler 2 %f %f %f %f\n",
1364 // canvas_cursor_x,
1365 // canvas_cursor_y,
1366 // canvas_x1,
1367 // canvas_y1);
1368                         if(canvas_cursor_x >= canvas_x1 - RULERHANDLE_W / 2 &&
1369                                 canvas_cursor_x < canvas_x1 + RULERHANDLE_W / 2 &&
1370                                 canvas_cursor_y >= canvas_y1 - RULERHANDLE_W &&
1371                                 canvas_cursor_y < canvas_y1 + RULERHANDLE_H / 2)
1372                         {
1373                                 set_cursor(UPRIGHT_ARROW_CURSOR);
1374                         }
1375                         else
1376                         if(canvas_cursor_x >= canvas_x2 - RULERHANDLE_W / 2 &&
1377                                 canvas_cursor_x < canvas_x2 + RULERHANDLE_W / 2 &&
1378                                 canvas_cursor_y >= canvas_y2 - RULERHANDLE_W &&
1379                                 canvas_cursor_y < canvas_y2 + RULERHANDLE_H / 2)
1380                         {
1381                                 set_cursor(UPRIGHT_ARROW_CURSOR);
1382                         }
1383                         else
1384                                 set_cursor(CROSS_CURSOR);
1385
1386 // Update current position
1387                         gui->update_tool();
1388                 }
1389         }
1390
1391 // Assume no ruler measurement if 0 length
1392         if(draw && (!EQUIV(x2, x1) || !EQUIV(y2, y1)))
1393         {
1394                 get_canvas()->set_inverse();
1395                 get_canvas()->set_color(WHITE);
1396                 get_canvas()->draw_line((int)canvas_x1,
1397                         (int)canvas_y1,
1398                         (int)canvas_x2,
1399                         (int)canvas_y2);
1400                 get_canvas()->draw_line(roundf(canvas_x1) - RULERHANDLE_W / 2,
1401                         roundf(canvas_y1),
1402                         roundf(canvas_x1) + RULERHANDLE_W / 2,
1403                         roundf(canvas_y1));
1404                 get_canvas()->draw_line(roundf(canvas_x1),
1405                         roundf(canvas_y1) - RULERHANDLE_H / 2,
1406                         roundf(canvas_x1),
1407                         roundf(canvas_y1) + RULERHANDLE_H / 2);
1408                 get_canvas()->draw_line(roundf(canvas_x2) - RULERHANDLE_W / 2,
1409                         roundf(canvas_y2),
1410                         roundf(canvas_x2) + RULERHANDLE_W / 2,
1411                         roundf(canvas_y2));
1412                 get_canvas()->draw_line(roundf(canvas_x2),
1413                         roundf(canvas_y2) - RULERHANDLE_H / 2,
1414                         roundf(canvas_x2),
1415                         roundf(canvas_y2) + RULERHANDLE_H / 2);
1416                 get_canvas()->set_opaque();
1417         }
1418
1419         return result;
1420 }
1421
1422
1423 static inline double line_dist(float cx,float cy, float tx,float ty)
1424 {
1425         double dx = tx-cx, dy = ty-cy;
1426         return sqrt(dx*dx + dy*dy);
1427 }
1428
1429 static inline bool test_bbox(int cx, int cy, int tx, int ty)
1430 {
1431 //      printf("test_bbox %d,%d - %d,%d = %f\n",cx,cy,tx,ty,line_dist(cx,cy,tx,ty));
1432         return (llabs(cx-tx) < CONTROL_W/2 && llabs(cy-ty) < CONTROL_H/2);
1433 }
1434
1435
1436 int CWindowCanvas::do_mask(int &redraw, int &rerender,
1437                 int button_press, int cursor_motion, int draw)
1438 {
1439 // Retrieve points from top recordable track
1440 //printf("CWindowCanvas::do_mask 1\n");
1441         Track *track = gui->cwindow->calculate_mask_track();
1442 //printf("CWindowCanvas::do_mask 2\n");
1443
1444         if(!track) return 0;
1445 //printf("CWindowCanvas::do_mask 3\n");
1446         CWindowMaskGUI *mask_gui = (CWindowMaskGUI *)
1447                 (gui->tool_panel ? gui->tool_panel->tool_gui : 0);
1448         int draw_markers = mask_gui ? mask_gui->markers : 0;
1449         int draw_boundary = mask_gui ? mask_gui->boundary : 0;
1450         MaskAutos *mask_autos = (MaskAutos*)track->automation->autos[AUTOMATION_MASK];
1451         int64_t position = track->to_units(
1452                 mwindow->edl->local_session->get_selectionstart(1),
1453                 0);
1454         Auto *prev_auto = 0;
1455         mask_autos->get_prev_auto(position, PLAY_FORWARD, (Auto *&)prev_auto, 1);
1456         MaskAuto *prev_mask = (MaskAuto *)prev_auto;
1457         ArrayList<MaskPoint*> points;
1458
1459 // Determine the points based on whether
1460 // new keyframes will be generated or drawing is performed.
1461 // If keyframe generation occurs, use the interpolated mask.
1462 // If no keyframe generation occurs, use the previous mask.
1463         int use_interpolated = 0;
1464         if( button_press || cursor_motion ) {
1465 #ifdef USE_KEYFRAME_SPANNING
1466                 double selection_start = mwindow->edl->local_session->get_selectionstart(0);
1467                 double selection_end = mwindow->edl->local_session->get_selectionend(0);
1468                 int64_t start_pos = track->to_units(selection_start, 0);
1469                 int64_t end_pos = track->to_units(selection_end, 0);
1470                 Auto *first = 0, *last = 0;
1471                 mask_autos->get_prev_auto(start_pos, PLAY_FORWARD, first, 1);
1472                 mask_autos->get_prev_auto(end_pos, PLAY_FORWARD, last, 1);
1473                 if( last == first && (!mwindow->edl->session->auto_keyframes) )
1474                         use_interpolated = 0;
1475                 else
1476 // If keyframe spanning occurs, use the interpolated points.
1477 // If new keyframe is generated, use the interpolated points.
1478                         use_interpolated = 1;
1479
1480 #else
1481                 if( mwindow->edl->session->auto_keyframes )
1482                         use_interpolated = 1;
1483 #endif
1484         }
1485         else
1486                 use_interpolated = 1;
1487
1488         if( use_interpolated ) {
1489 // Interpolate the points to get exactly what is being rendered at this position.
1490                 mask_autos->get_points(&points,
1491                         mwindow->edl->session->cwindow_mask,
1492                         position, PLAY_FORWARD);
1493         }
1494         else {
1495 // Use the prev mask
1496                 prev_mask->get_points(&points,
1497                         mwindow->edl->session->cwindow_mask);
1498         }
1499
1500 // Projector zooms relative to the center of the track output.
1501         float half_track_w = (float)track->track_w / 2;
1502         float half_track_h = (float)track->track_h / 2;
1503 // Translate mask to projection
1504         float projector_x, projector_y, projector_z;
1505         track->automation->get_projector(
1506                 &projector_x, &projector_y, &projector_z,
1507                 position, PLAY_FORWARD);
1508
1509
1510 // Get position of cursor relative to mask
1511         float cursor_x = get_cursor_x(), cursor_y = get_cursor_y();
1512         float mask_cursor_x = cursor_x, mask_cursor_y = cursor_y;
1513         canvas_to_output(mwindow->edl, 0, mask_cursor_x, mask_cursor_y);
1514
1515         projector_x += mwindow->edl->session->output_w / 2;
1516         projector_y += mwindow->edl->session->output_h / 2;
1517         mask_cursor_x = (mask_cursor_x - projector_x) / projector_z + half_track_w;
1518         mask_cursor_y = (mask_cursor_y - projector_y) / projector_z + half_track_h;
1519
1520 // Fix cursor origin
1521         if(button_press) {
1522                 gui->x_origin = mask_cursor_x;
1523                 gui->y_origin = mask_cursor_y;
1524         }
1525
1526         int result = 0;
1527 // Points of closest line
1528         int shortest_point1 = -1;
1529         int shortest_point2 = -1;
1530 // Closest point
1531         int shortest_point = -1;
1532 // Distance to closest line
1533         float shortest_line_distance = BC_INFINITY;
1534 // Distance to closest point
1535         float shortest_point_distance = BC_INFINITY;
1536         int selected_point = -1;
1537         int selected_control_point = -1;
1538         float selected_control_point_distance = BC_INFINITY;
1539         ArrayList<int> x_points;
1540         ArrayList<int> y_points;
1541
1542         if(!cursor_motion) {
1543                 if(draw) {
1544                         get_canvas()->set_color(WHITE);
1545                         get_canvas()->set_inverse();
1546                 }
1547 //printf("CWindowCanvas::do_mask 1 %d\n", points.size());
1548
1549 // Never draw closed polygon and a closed
1550 // polygon is harder to add points to.
1551                 for(int i = 0; i < points.size() && !result; i++) {
1552                         MaskPoint *point1 = points.get(i);
1553                         MaskPoint *point2 = (i >= points.size() - 1) ?
1554                                 points.get(0) : points.get(i + 1);
1555                         if(button_press) {
1556                                 float point_distance1 = line_dist(point1->x,point1->y, mask_cursor_x,mask_cursor_y);
1557                                 if(point_distance1 < shortest_point_distance || shortest_point < 0) {
1558                                         shortest_point_distance = point_distance1;
1559                                         shortest_point = i;
1560                                 }
1561
1562                                 float point_distance2 = line_dist(point2->x,point2->y, mask_cursor_x,mask_cursor_y);
1563                                 if(point_distance2 < shortest_point_distance || shortest_point < 0) {
1564                                         shortest_point_distance = point_distance2;
1565                                         shortest_point = (i >= points.size() - 1) ? 0 : (i + 1);
1566                                 }
1567                         }
1568
1569                         int segments = 1 + line_dist(point1->x,point1->y, point2->x,point2->y);
1570
1571 //printf("CWindowCanvas::do_mask 1 %f, %f -> %f, %f projectorz=%f\n",
1572 //point1->x, point1->y, point2->x, point2->y, projector_z);
1573                         for(int j = 0; j <= segments && !result; j++) {
1574 //printf("CWindowCanvas::do_mask 1 %f, %f -> %f, %f\n", x0, y0, x3, y3);
1575                                 float x0 = point1->x, y0 = point1->y;
1576                                 float x1 = point1->x + point1->control_x2;
1577                                 float y1 = point1->y + point1->control_y2;
1578                                 float x2 = point2->x + point2->control_x1;
1579                                 float y2 = point2->y + point2->control_y1;
1580                                 float x3 = point2->x, y3 = point2->y;
1581                                 float canvas_x0 = (x0 - half_track_w) * projector_z + projector_x;
1582                                 float canvas_y0 = (y0 - half_track_h) * projector_z + projector_y;
1583                                 float canvas_x1 = (x1 - half_track_w) * projector_z + projector_x;
1584                                 float canvas_y1 = (y1 - half_track_h) * projector_z + projector_y;
1585                                 float canvas_x2 = (x2 - half_track_w) * projector_z + projector_x;
1586                                 float canvas_y2 = (y2 - half_track_h) * projector_z + projector_y;
1587                                 float canvas_x3 = (x3 - half_track_w) * projector_z + projector_x;
1588                                 float canvas_y3 = (y3 - half_track_h) * projector_z + projector_y;
1589
1590                                 float t = (float)j / segments;
1591                                 float tpow2 = t * t;
1592                                 float tpow3 = t * t * t;
1593                                 float invt = 1 - t;
1594                                 float invtpow2 = invt * invt;
1595                                 float invtpow3 = invt * invt * invt;
1596
1597                                 float x = (           invtpow3 * x0
1598                                         + 3 * t     * invtpow2 * x1
1599                                         + 3 * tpow2 * invt     * x2
1600                                         +     tpow3            * x3);
1601                                 float y = (           invtpow3 * y0
1602                                         + 3 * t     * invtpow2 * y1
1603                                         + 3 * tpow2 * invt     * y2
1604                                         +     tpow3            * y3);
1605                                 float canvas_x = (x - half_track_w) * projector_z + projector_x;
1606                                 float canvas_y = (y - half_track_h) * projector_z + projector_y;
1607 // Test new point addition
1608                                 if(button_press) {
1609                                         float line_distance = line_dist(x,y, mask_cursor_x,mask_cursor_y);
1610
1611 //printf("CWindowCanvas::do_mask 1 x=%f cursor_x=%f y=%f cursor_y=%f %f %f %d, %d\n",
1612 //  x, cursor_x, y, cursor_y, line_distance, shortest_line_distance, shortest_point1, shortest_point2);
1613                                         if(line_distance < shortest_line_distance ||
1614                                                 shortest_point1 < 0) {
1615                                                 shortest_line_distance = line_distance;
1616                                                 shortest_point1 = i;
1617                                                 shortest_point2 = (i >= points.size() - 1) ? 0 : (i + 1);
1618 //printf("CWindowCanvas::do_mask 2 %f %f %d, %d\n",
1619 //  line_distance, shortest_line_distance, shortest_point1, shortest_point2);
1620                                         }
1621
1622 // Test existing point selection
1623 // Test first point
1624                                         if(gui->ctrl_down()) {
1625                                                 float distance = line_dist(x1,y1, mask_cursor_x,mask_cursor_y);
1626
1627                                                 if(distance < selected_control_point_distance) {
1628                                                         selected_point = i;
1629                                                         selected_control_point = 1;
1630                                                         selected_control_point_distance = distance;
1631                                                 }
1632                                         }
1633                                         else {
1634                                                 if(!gui->shift_down()) {
1635                                                         output_to_canvas(mwindow->edl, 0, canvas_x0, canvas_y0);
1636                                                         if(test_bbox(cursor_x, cursor_y, canvas_x0, canvas_y0)) {
1637                                                                 selected_point = i;
1638                                                         }
1639                                                 }
1640                                                 else {
1641                                                         selected_point = shortest_point;
1642                                                 }
1643                                         }
1644 // Test second point
1645                                         if(gui->ctrl_down()) {
1646                                                 float distance = line_dist(x2,y2, mask_cursor_x,mask_cursor_y);
1647
1648 //printf("CWindowCanvas::do_mask %d %f %f\n", i, distance, selected_control_point_distance);
1649                                                 if(distance < selected_control_point_distance) {
1650                                                         selected_point = (i < points.size() - 1 ? i + 1 : 0);
1651                                                         selected_control_point = 0;
1652                                                         selected_control_point_distance = distance;
1653                                                 }
1654                                         }
1655                                         else if(i < points.size() - 1) {
1656                                                 if(!gui->shift_down()) {
1657                                                         output_to_canvas(mwindow->edl, 0, canvas_x3, canvas_y3);
1658                                                         if(test_bbox(cursor_x, cursor_y, canvas_x3, canvas_y3)) {
1659                                                                 selected_point = (i < points.size() - 1 ? i + 1 : 0);
1660                                                         }
1661                                                 }
1662                                                 else {
1663                                                         selected_point = shortest_point;
1664                                                 }
1665                                         }
1666                                 }
1667
1668                                 output_to_canvas(mwindow->edl, 0, canvas_x, canvas_y);
1669
1670                                 if( j > 0 ) {
1671
1672                                         if( draw ) { // Draw joining line
1673                                                 x_points.append((int)canvas_x);
1674                                                 y_points.append((int)canvas_y);
1675                                         }
1676
1677                                         if( j == segments ) {
1678                                                 if( draw && draw_markers ) { // Draw second anchor
1679                                                         if(i < points.size() - 1) {
1680                                                                 if(i == gui->affected_point - 1)
1681                                                                         get_canvas()->draw_disc(
1682                                                                                 (int)canvas_x - CONTROL_W / 2,
1683                                                                                 (int)canvas_y - CONTROL_W / 2,
1684                                                                                 CONTROL_W, CONTROL_H);
1685                                                                 else
1686                                                                         get_canvas()->draw_circle(
1687                                                                                 (int)canvas_x - CONTROL_W / 2,
1688                                                                                 (int)canvas_y - CONTROL_W / 2,
1689                                                                                 CONTROL_W, CONTROL_H);
1690 // char string[BCTEXTLEN];
1691 // sprintf(string, "%d", (i < points.size() - 1 ? i + 1 : 0));
1692 // canvas->draw_text((int)canvas_x + CONTROL_W, (int)canvas_y + CONTROL_W, string);
1693                                                         }
1694 // Draw second control point.
1695                                                         output_to_canvas(mwindow->edl, 0, canvas_x2, canvas_y2);
1696                                                         get_canvas()->draw_line(
1697                                                                 (int)canvas_x, (int)canvas_y,
1698                                                                 (int)canvas_x2, (int)canvas_y2);
1699                                                         get_canvas()->draw_rectangle(
1700                                                                 (int)canvas_x2 - CONTROL_W / 2,
1701                                                                 (int)canvas_y2 - CONTROL_H / 2,
1702                                                                 CONTROL_W, CONTROL_H);
1703                                                 }
1704                                         }
1705                                 }
1706                                 else {
1707 // Draw first anchor
1708                                         if( i == 0 && draw ) {
1709                                                 if( draw_boundary ) {
1710                                                         char mask_label[BCSTRLEN];
1711                                                         int k = mwindow->edl->session->cwindow_mask;
1712                                                         if( !prev_mask || k < 0 || k >= prev_mask->masks.size() )
1713                                                                 sprintf(mask_label, "%d", k);
1714                                                         else
1715                                                                 sprintf(mask_label, "%s", prev_mask->masks[k]->name);
1716                                                         get_canvas()->draw_text(
1717                                                                 (int)canvas_x - FIRST_CONTROL_W,
1718                                                                 (int)canvas_y - FIRST_CONTROL_H,
1719                                                                 mask_label);
1720                                                 }
1721                                                 if( draw_markers ) {
1722                                                         get_canvas()->draw_disc(
1723                                                                 (int)canvas_x - FIRST_CONTROL_W / 2,
1724                                                                 (int)canvas_y - FIRST_CONTROL_H / 2,
1725                                                                 FIRST_CONTROL_W, FIRST_CONTROL_H);
1726                                                 }
1727                                         }
1728
1729 // Draw first control point.
1730                                         if( draw && draw_markers ) {
1731                                                 output_to_canvas(mwindow->edl, 0, canvas_x1, canvas_y1);
1732                                                 get_canvas()->draw_line(
1733                                                         (int)canvas_x, (int)canvas_y,
1734                                                         (int)canvas_x1, (int)canvas_y1);
1735                                                 get_canvas()->draw_rectangle(
1736                                                         (int)canvas_x1 - CONTROL_W / 2,
1737                                                         (int)canvas_y1 - CONTROL_H / 2,
1738                                                         CONTROL_W, CONTROL_H);
1739
1740                                                 x_points.append((int)canvas_x);
1741                                                 y_points.append((int)canvas_y);
1742                                         }
1743                                 }
1744 //printf("CWindowCanvas::do_mask 1\n");
1745
1746                         }
1747                 }
1748 //printf("CWindowCanvas::do_mask 1\n");
1749
1750                 BC_WindowBase *cvs_win = get_canvas();
1751                 if( draw && draw_boundary ) {
1752                         cvs_win->draw_polygon(&x_points, &y_points);
1753                         cvs_win->set_opaque();
1754                 }
1755                 if( draw && mask_gui && mask_gui->focused ) {
1756                         float fx = atof(mask_gui->focus_x->get_text());
1757                         float fy = atof(mask_gui->focus_y->get_text());
1758                         output_to_canvas(mwindow->edl, 0, fx, fy);
1759                         float r = bmax(cvs_win->get_w(), cvs_win->get_h());
1760                         float d = 0.005*r;
1761 #if 1
1762                         int fw = 2*d+3, fh = fw;
1763                         VFrame focus(fw,fh, BC_RGBA8888);
1764                         focus.transfer_from(gui->focus_frame);
1765                         fx -= fw/2.f;  fy -= fh/2.f;
1766                         BC_Pixmap focus_pixmap(cvs_win, &focus, PIXMAP_ALPHA);
1767                         cvs_win->draw_pixmap(&focus_pixmap,fx,fy);
1768 #else
1769                         cvs_win->set_line_width((int)(0.0025*r) + 1);
1770                         cvs_win->set_color(BLUE);
1771                         cvs_win->draw_line(fx-d,fy-d, fx+d, fy+d);
1772                         cvs_win->draw_line(fx-d,fy+d, fx+d, fy-d);
1773                         cvs_win->set_line_width(0);
1774                         cvs_win->set_color(WHITE);
1775 #endif
1776                 }
1777                 if( draw && mask_gui && draw_markers && points.size() ) {
1778                         float cx = 0, cy = 0;
1779                         int n = points.size();
1780                         for( int i=0; i<n; ++i ) {
1781                                 MaskPoint *point = points.get(i);
1782                                 cx += point->x;  cy += point->y;
1783                         }
1784                         cx /= n;  cy /= n;
1785                         output_to_canvas(mwindow->edl, 0, cx, cy);
1786                         float r = bmax(cvs_win->get_w(), cvs_win->get_h());
1787                         float d = 0.007*r;
1788                         cvs_win->set_line_width((int)(0.002*r) + 1);
1789                         cvs_win->set_color(ORANGE);
1790                         cvs_win->draw_line(cx-d,cy, cx+d, cy);
1791                         cvs_win->draw_line(cx,cy-d, cx, cy+d);
1792                         cvs_win->set_line_width(0);
1793                         cvs_win->set_color(WHITE);
1794                 }
1795 //printf("CWindowCanvas::do_mask 1\n");
1796         }
1797
1798         if(button_press && !result) {
1799                 gui->affected_track = gui->cwindow->calculate_mask_track();
1800
1801 // Get keyframe outside the EDL to edit.  This must be rendered
1802 // instead of the EDL keyframes when it exists.  Then it must be
1803 // applied to the EDL keyframes on buttonrelease.
1804                 if( gui->affected_track ) {
1805 #ifdef USE_KEYFRAME_SPANNING
1806 // Make copy of current parameters in local keyframe
1807                         gui->mask_keyframe =
1808                                 (MaskAuto*)gui->cwindow->calculate_affected_auto(
1809                                         mask_autos,
1810                                         0);
1811                         gui->orig_mask_keyframe->copy_data(gui->mask_keyframe);
1812 #else
1813
1814                         gui->mask_keyframe =
1815                                 (MaskAuto*)gui->cwindow->calculate_affected_auto(
1816                                         mask_autos,
1817                                         1);
1818 #endif
1819                 }
1820                 SubMask *mask = gui->mask_keyframe->get_submask(mwindow->edl->session->cwindow_mask);
1821
1822                 if( get_buttonpress() == WHEEL_UP || get_buttonpress() == WHEEL_DOWN ) {
1823                         if( !gui->shift_down() ) {
1824                                 mwindow->undo->update_undo_before(_("mask rotate"), this);
1825                                 gui->current_operation = CWINDOW_MASK_ROTATE;
1826                         }
1827                         else {
1828                                 mwindow->undo->update_undo_before(_("mask scale"), this);
1829                                 gui->current_operation = CWINDOW_MASK_SCALE;
1830                         }
1831                         gui->affected_point = 0;
1832                 }
1833                 else
1834 // Translate entire keyframe
1835                 if(gui->alt_down() && mask->points.size()) {
1836                         mwindow->undo->update_undo_before(_("mask translate"), 0);
1837                         gui->current_operation = CWINDOW_MASK_TRANSLATE;
1838                         gui->affected_point = 0;
1839                 }
1840                 else
1841 // Existing point or control point was selected
1842                 if(selected_point >= 0) {
1843                         mwindow->undo->update_undo_before(_("mask adjust"), 0);
1844                         gui->affected_point = selected_point;
1845
1846                         if(selected_control_point == 0)
1847                                 gui->current_operation = CWINDOW_MASK_CONTROL_IN;
1848                         else
1849                         if(selected_control_point == 1)
1850                                 gui->current_operation = CWINDOW_MASK_CONTROL_OUT;
1851                         else
1852                                 gui->current_operation = mwindow->edl->session->cwindow_operation;
1853                 }
1854                 else // No existing point or control point was selected so create a new one
1855                 if(!gui->ctrl_down() && !gui->alt_down()) {
1856                         mwindow->undo->update_undo_before(_("mask point"), 0);
1857 // Create the template
1858                         MaskPoint *point = new MaskPoint;
1859                         point->x = mask_cursor_x;
1860                         point->y = mask_cursor_y;
1861                         point->control_x1 = 0;
1862                         point->control_y1 = 0;
1863                         point->control_x2 = 0;
1864                         point->control_y2 = 0;
1865
1866
1867                         if(shortest_point2 < shortest_point1) {
1868                                 shortest_point2 ^= shortest_point1;
1869                                 shortest_point1 ^= shortest_point2;
1870                                 shortest_point2 ^= shortest_point1;
1871                         }
1872
1873
1874
1875 // printf("CWindowGUI::do_mask 40\n");
1876 // mwindow->edl->dump();
1877 // printf("CWindowGUI::do_mask 50\n");
1878
1879
1880
1881 //printf("CWindowCanvas::do_mask 1 %f %f %d %d\n",
1882 //      shortest_line_distance, shortest_point_distance, shortest_point1, shortest_point2);
1883 //printf("CWindowCanvas::do_mask %d %d\n", shortest_point1, shortest_point2);
1884
1885 // Append to end of list
1886                         if( shortest_point1 == shortest_point2 ||
1887                             labs(shortest_point1 - shortest_point2) > 1) {
1888 #ifdef USE_KEYFRAME_SPANNING
1889
1890                                 MaskPoint *new_point = new MaskPoint;
1891                                 points.append(new_point);
1892                                 *new_point = *point;
1893                                 gui->affected_point = points.size() - 1;
1894
1895 #else
1896
1897 // Need to apply the new point to every keyframe
1898                                 for(MaskAuto *current = (MaskAuto*)mask_autos->default_auto; current; ) {
1899                                         SubMask *submask = current->get_submask(mwindow->edl->session->cwindow_mask);
1900                                         MaskPoint *new_point = new MaskPoint;
1901                                         submask->points.append(new_point);
1902                                         *new_point = *point;
1903                                         if(current == (MaskAuto*)mask_autos->default_auto)
1904                                                 current = (MaskAuto*)mask_autos->first;
1905                                         else
1906                                                 current = (MaskAuto*)NEXT;
1907                                 }
1908                                 gui->affected_point = mask->points.size() - 1;
1909 #endif
1910
1911                                 result = 1;
1912                         }
1913                         else
1914 // Insert between 2 points, shifting back point 2
1915                         if(shortest_point1 >= 0 && shortest_point2 >= 0) {
1916
1917 #ifdef USE_KEYFRAME_SPANNING
1918 // In case the keyframe point count isn't synchronized with the rest of the keyframes,
1919 // avoid a crash.
1920                                 if(points.size() >= shortest_point2) {
1921                                         MaskPoint *new_point = new MaskPoint;
1922                                         points.append(0);
1923                                         for(int i = points.size() - 1;
1924                                                 i > shortest_point2;
1925                                                 i--)
1926                                                 points.values[i] = points.values[i - 1];
1927                                         points.values[shortest_point2] = new_point;
1928
1929                                         *new_point = *point;
1930                                 }
1931
1932 #else
1933
1934                                 for(MaskAuto *current = (MaskAuto*)mask_autos->default_auto; current; ) {
1935                                         SubMask *submask = current->get_submask(mwindow->edl->session->cwindow_mask);
1936 // In case the keyframe point count isn't synchronized with the rest of the keyframes,
1937 // avoid a crash.
1938                                         if(submask->points.size() >= shortest_point2) {
1939                                                 MaskPoint *new_point = new MaskPoint;
1940                                                 submask->points.append(0);
1941                                                 for(int i = submask->points.size() - 1;
1942                                                         i > shortest_point2;
1943                                                         i--)
1944                                                         submask->points.values[i] = submask->points.values[i - 1];
1945                                                 submask->points.values[shortest_point2] = new_point;
1946
1947                                                 *new_point = *point;
1948                                         }
1949
1950                                         if(current == (MaskAuto*)mask_autos->default_auto)
1951                                                 current = (MaskAuto*)mask_autos->first;
1952                                         else
1953                                                 current = (MaskAuto*)NEXT;
1954                                 }
1955
1956 #endif
1957                                 gui->affected_point = shortest_point2;
1958                                 result = 1;
1959                         }
1960
1961
1962 // printf("CWindowGUI::do_mask 20\n");
1963 // mwindow->edl->dump();
1964 // printf("CWindowGUI::do_mask 30\n");
1965
1966                         if(!result) {
1967 //printf("CWindowCanvas::do_mask 1\n");
1968 // Create the first point.
1969 #ifdef USE_KEYFRAME_SPANNING
1970                                 MaskPoint *new_point = new MaskPoint;
1971                                 points.append(new_point);
1972                                 *new_point = *point;
1973                                 gui->affected_point = points.size() - 1;
1974 #else
1975                                 for(MaskAuto *current = (MaskAuto*)mask_autos->default_auto; current; ) {
1976                                         SubMask *submask = current->get_submask(mwindow->edl->session->cwindow_mask);
1977                                         MaskPoint *new_point = new MaskPoint;
1978                                         submask->points.append(new_point);
1979                                         *new_point = *point;
1980                                         if(current == (MaskAuto*)mask_autos->default_auto)
1981                                                 current = (MaskAuto*)mask_autos->first;
1982                                         else
1983                                                 current = (MaskAuto*)NEXT;
1984                                 }
1985                                 gui->affected_point = points.size() - 1;
1986 #endif
1987
1988 //printf("CWindowCanvas::do_mask 3 %d\n", mask->points.size());
1989                         }
1990
1991                         gui->current_operation = mwindow->edl->session->cwindow_operation;
1992 // Delete the template
1993                         delete point;
1994                 }
1995
1996                 result = 1;
1997                 rerender = 1;
1998                 redraw = 1;
1999         }
2000
2001         if(button_press && result) {
2002 #ifdef USE_KEYFRAME_SPANNING
2003                 ArrayList<MaskPoint*> &mask_points = points;
2004 #else
2005                 SubMask *mask = gui->mask_keyframe->get_submask(mwindow->edl->session->cwindow_mask);
2006                 ArrayList<MaskPoint*> &mask_points = mask->points;
2007 #endif
2008                 int k = gui->affected_point;
2009                 if( k >= 0 && k < mask_points.size() ) {
2010                         MaskPoint *point = mask_points.values[k];
2011                         gui->center_x = point->x;
2012                         gui->center_y = point->y;
2013                         gui->control_in_x = point->control_x1;
2014                         gui->control_in_y = point->control_y1;
2015                         gui->control_out_x = point->control_x2;
2016                         gui->control_out_y = point->control_y2;
2017                 }
2018                 else {
2019                         gui->center_x = gui->center_y = 0;
2020                         gui->control_in_x = gui->control_in_y = 0;
2021                         gui->control_out_x = gui->control_out_y = 0;
2022                 }
2023                 gui->tool_panel->raise_window();
2024         }
2025
2026 //printf("CWindowCanvas::do_mask 8\n");
2027         if( cursor_motion ) {
2028
2029 #ifdef USE_KEYFRAME_SPANNING
2030 // Must update the reference keyframes for every cursor motion
2031                 gui->mask_keyframe = (MaskAuto*)gui->cwindow->
2032                         calculate_affected_auto(mask_autos, 0);
2033                 gui->orig_mask_keyframe->copy_data(gui->mask_keyframe);
2034 #endif
2035
2036 //printf("CWindowCanvas::do_mask %d %d\n", __LINE__, gui->affected_point);
2037
2038                 SubMask *mask = gui->mask_keyframe->get_submask(mwindow->edl->session->cwindow_mask);
2039                 if( gui->affected_point >= 0 && gui->affected_point < mask->points.size() &&
2040                         gui->current_operation != CWINDOW_NONE) {
2041 //                      mwindow->undo->update_undo_before(_("mask point"), this);
2042 #ifdef USE_KEYFRAME_SPANNING
2043                         ArrayList<MaskPoint*> &mask_points = points;
2044 #else
2045                         ArrayList<MaskPoint*> &mask_points = mask->points;
2046 #endif
2047                         MaskPoint *point = mask_points.get(gui->affected_point);
2048 //                      canvas_to_output(mwindow->edl, 0, cursor_x, cursor_y);
2049 //printf("CWindowCanvas::do_mask 9 %d %d\n", mask_points.size(), gui->affected_point);
2050
2051                         float last_x = point->x;
2052                         float last_y = point->y;
2053                         float last_control_x1 = point->control_x1;
2054                         float last_control_y1 = point->control_y1;
2055                         float last_control_x2 = point->control_x2;
2056                         float last_control_y2 = point->control_y2;
2057                         int rotate = 0;
2058
2059                         switch(gui->current_operation) {
2060                         case CWINDOW_MASK:
2061 //printf("CWindowCanvas::do_mask %d %d\n", __LINE__, gui->affected_point);
2062                                 point->x = mask_cursor_x - gui->x_origin + gui->center_x;
2063                                 point->y = mask_cursor_y - gui->y_origin + gui->center_y;
2064                                 break;
2065
2066                         case CWINDOW_MASK_CONTROL_IN:
2067                                 point->control_x1 = mask_cursor_x - gui->x_origin + gui->control_in_x;
2068                                 point->control_y1 = mask_cursor_y - gui->y_origin + gui->control_in_y;
2069                                 break;
2070
2071                         case CWINDOW_MASK_CONTROL_OUT:
2072                                 point->control_x2 = mask_cursor_x - gui->x_origin + gui->control_out_x;
2073                                 point->control_y2 = mask_cursor_y - gui->y_origin + gui->control_out_y;
2074                                 break;
2075
2076                         case CWINDOW_MASK_TRANSLATE:
2077                                 for(int i = 0; i < mask_points.size(); i++) {
2078                                         mask_points.values[i]->x += mask_cursor_x - gui->x_origin;
2079                                         mask_points.values[i]->y += mask_cursor_y - gui->y_origin;
2080                                 }
2081                                 gui->x_origin = mask_cursor_x;
2082                                 gui->y_origin = mask_cursor_y;
2083                                 break;
2084                         case CWINDOW_MASK_ROTATE:
2085                                 rotate = 1;
2086                         case CWINDOW_MASK_SCALE: {
2087                                 int button_no = get_buttonpress();
2088                                 double scale = button_no == WHEEL_UP ? 1.02 : 0.98;
2089                                 double theta = button_no == WHEEL_UP ? M_PI/360. : -M_PI/360.;
2090                                 float st = sin(theta), ct = cos(theta);
2091                                 float cx = 0, cy = 0;
2092                                 int n = mask_points.size();
2093                                 if( mask_gui && mask_gui->focused ) {
2094                                         cx = atof(mask_gui->focus_x->get_text());
2095                                         cy = atof(mask_gui->focus_y->get_text());
2096                                 }
2097                                 else if( n > 0 ) {
2098                                         for( int i=0; i<n; ++i ) {
2099                                                 MaskPoint *point = mask_points.values[i];
2100                                                 cx += point->x;  cy += point->y;
2101                                         }
2102                                         cx /= n;  cy /= n;
2103                                 }
2104                                 gui->x_origin = cx;
2105                                 gui->y_origin = cy;
2106                                 for( int i=0; i<mask_points.size(); ++i ) {
2107                                         MaskPoint *point = mask_points.values[i];
2108                                         float px = point->x - gui->x_origin;
2109                                         float py = point->y - gui->y_origin;
2110                                         float nx = !rotate ? px*scale : px*ct + py*st;
2111                                         float ny = !rotate ? py*scale : py*ct - px*st;
2112                                         point->x = nx + gui->x_origin;
2113                                         point->y = ny + gui->y_origin;
2114                                         px = point->control_x1;  py = point->control_y1;
2115                                         point->control_x1 = !rotate ? px*scale : px*ct + py*st;
2116                                         point->control_y1 = !rotate ? py*scale : py*ct - px*st;
2117                                         px = point->control_x2;  py = point->control_y2;
2118                                         point->control_x2 = !rotate ? px*scale : px*ct + py*st;
2119                                         point->control_y2 = !rotate ? py*scale : py*ct - px*st;
2120                                 }
2121                                 rerender = 1;
2122                                 redraw = 1;
2123                                 break; }
2124                         }
2125
2126                         if( !EQUIV(last_x, point->x) ||
2127                                 !EQUIV(last_y, point->y) ||
2128                                 !EQUIV(last_control_x1, point->control_x1) ||
2129                                 !EQUIV(last_control_y1, point->control_y1) ||
2130                                 !EQUIV(last_control_x2, point->control_x2) ||
2131                                 !EQUIV(last_control_y2, point->control_y2)) {
2132                                 rerender = 1;
2133                                 redraw = 1;
2134                         }
2135                 }
2136                 else
2137                 if(gui->current_operation == CWINDOW_NONE) {
2138 //                      printf("CWindowCanvas::do_mask %d\n", __LINE__);
2139                         int over_point = 0;
2140                         for(int i = 0; i < points.size() && !over_point; i++) {
2141                                 MaskPoint *point = points.get(i);
2142                                 float x0 = point->x;
2143                                 float y0 = point->y;
2144                                 float x1 = point->x + point->control_x1;
2145                                 float y1 = point->y + point->control_y1;
2146                                 float x2 = point->x + point->control_x2;
2147                                 float y2 = point->y + point->control_y2;
2148                                 float canvas_x0 = (x0 - half_track_w) * projector_z + projector_x;
2149                                 float canvas_y0 = (y0 - half_track_h) * projector_z + projector_y;
2150
2151                                 output_to_canvas(mwindow->edl, 0, canvas_x0, canvas_y0);
2152                                 if(test_bbox(cursor_x, cursor_y, canvas_x0, canvas_y0)) {
2153                                         over_point = 1;
2154                                 }
2155
2156                                 if(!over_point && gui->ctrl_down()) {
2157                                         float canvas_x1 = (x1 - half_track_w) * projector_z + projector_x;
2158                                         float canvas_y1 = (y1 - half_track_h) * projector_z + projector_y;
2159                                         output_to_canvas(mwindow->edl, 0, canvas_x1, canvas_y1);
2160                                         if(test_bbox(cursor_x, cursor_y, canvas_x1, canvas_y1)) {
2161                                                 over_point = 1;
2162                                         }
2163                                         else {
2164                                                 float canvas_x2 = (x2 - half_track_w) * projector_z + projector_x;
2165                                                 float canvas_y2 = (y2 - half_track_h) * projector_z + projector_y;
2166                                                 output_to_canvas(mwindow->edl, 0, canvas_x2, canvas_y2);
2167                                                 if(test_bbox(cursor_x, cursor_y, canvas_x2, canvas_y2)) {
2168                                                         over_point = 1;
2169                                                 }
2170                                         }
2171                                 }
2172                         }
2173
2174                         set_cursor( over_point ? ARROW_CURSOR : CROSS_CURSOR );
2175                 }
2176
2177                 result = 1;
2178         }
2179 //printf("CWindowCanvas::do_mask 2 %d %d %d\n", result, rerender, redraw);
2180
2181
2182 #ifdef USE_KEYFRAME_SPANNING
2183 // Must commit change after operation.
2184         if(rerender && track) {
2185 // Swap EDL keyframe with original.
2186 // Apply new values to keyframe span
2187                 MaskAuto temp_keyframe(mwindow->edl, mask_autos);
2188                 temp_keyframe.copy_data(gui->mask_keyframe);
2189 // Apply interpolated points back to keyframe
2190                 temp_keyframe.set_points(&points, mwindow->edl->session->cwindow_mask);
2191                 gui->mask_keyframe->copy_data(gui->orig_mask_keyframe);
2192                 mask_autos->update_parameter(&temp_keyframe);
2193         }
2194 #endif
2195
2196         points.remove_all_objects();
2197 //printf("CWindowCanvas::do_mask 20\n");
2198         return result;
2199 }
2200
2201 int CWindowCanvas::do_mask_focus()
2202 {
2203         CWindowMaskGUI *mask_gui = (CWindowMaskGUI*) gui->tool_panel->tool_gui;
2204         float cx = get_cursor_x(), cy = get_cursor_y();
2205         canvas_to_output(mwindow->edl, 0, cx, cy);
2206         get_canvas()->unlock_window();
2207         mask_gui->lock_window("CWindowCanvas::do_mask_focus");
2208         mask_gui->set_focused(1, cx, cy);
2209         mask_gui->unlock_window();
2210         get_canvas()->lock_window("CWindowCanvas::do_mask_focus");
2211         return 1;
2212 }
2213
2214 int CWindowCanvas::do_eyedrop(int &rerender, int button_press, int draw)
2215 {
2216         int result = 0;
2217         int radius = mwindow->edl->session->eyedrop_radius;
2218         int row1 = 0;
2219         int row2 = 0;
2220         int column1 = 0;
2221         int column2 = 0;
2222
2223
2224
2225         if(refresh_frame && refresh_frame->get_w()>0 && refresh_frame->get_h()>0)
2226         {
2227
2228                 if(draw)
2229                 {
2230                         row1 = gui->eyedrop_y - radius;
2231                         row2 = gui->eyedrop_y + radius;
2232                         column1 = gui->eyedrop_x - radius;
2233                         column2 = gui->eyedrop_x + radius;
2234
2235                         CLAMP(row1, 0, refresh_frame->get_h() - 1);
2236                         CLAMP(row2, 0, refresh_frame->get_h() - 1);
2237                         CLAMP(column1, 0, refresh_frame->get_w() - 1);
2238                         CLAMP(column2, 0, refresh_frame->get_w() - 1);
2239
2240                         if(row2 <= row1) row2 = row1 + 1;
2241                         if(column2 <= column1) column2 = column1 + 1;
2242
2243                         float x1 = column1;
2244                         float y1 = row1;
2245                         float x2 = column2;
2246                         float y2 = row2;
2247
2248                         output_to_canvas(mwindow->edl, 0, x1, y1);
2249                         output_to_canvas(mwindow->edl, 0, x2, y2);
2250 //printf("CWindowCanvas::do_eyedrop %d %f %f %f %f\n", __LINE__, x1, x2, y1, y2);
2251
2252                         if(x2 - x1 >= 1 && y2 - y1 >= 1)
2253                         {
2254                                 get_canvas()->set_inverse();
2255                                 get_canvas()->set_color(WHITE);
2256
2257                                 get_canvas()->draw_rectangle((int)x1,
2258                                         (int)y1,
2259                                         (int)(x2 - x1),
2260                                         (int)(y2 - y1));
2261
2262                                 get_canvas()->set_opaque();
2263                                 get_canvas()->flash();
2264                         }
2265                         return 0;
2266                 }
2267         }
2268
2269         if(button_press)
2270         {
2271                 gui->current_operation = CWINDOW_EYEDROP;
2272                 gui->tool_panel->raise_window();
2273         }
2274
2275         if(gui->current_operation == CWINDOW_EYEDROP)
2276         {
2277                 mwindow->undo->update_undo_before(_("Eyedrop"), this);
2278
2279 // Get color out of frame.
2280 // Doesn't work during playback because that bypasses the refresh frame.
2281                 if(refresh_frame && refresh_frame->get_w()>0 && refresh_frame->get_h()>0)
2282                 {
2283                         float cursor_x = get_cursor_x();
2284                         float cursor_y = get_cursor_y();
2285                         canvas_to_output(mwindow->edl, 0, cursor_x, cursor_y);
2286                         CLAMP(cursor_x, 0, refresh_frame->get_w() - 1);
2287                         CLAMP(cursor_y, 0, refresh_frame->get_h() - 1);
2288
2289                         row1 = cursor_y - radius;
2290                         row2 = cursor_y + radius;
2291                         column1 = cursor_x - radius;
2292                         column2 = cursor_x + radius;
2293                         CLAMP(row1, 0, refresh_frame->get_h() - 1);
2294                         CLAMP(row2, 0, refresh_frame->get_h() - 1);
2295                         CLAMP(column1, 0, refresh_frame->get_w() - 1);
2296                         CLAMP(column2, 0, refresh_frame->get_w() - 1);
2297                         if(row2 <= row1) row2 = row1 + 1;
2298                         if(column2 <= column1) column2 = column1 + 1;
2299
2300
2301 // hide it
2302                         if(gui->eyedrop_visible)
2303                         {
2304                                 int temp;
2305                                 do_eyedrop(temp, 0, 1);
2306                                 gui->eyedrop_visible = 0;
2307                         }
2308
2309                         gui->eyedrop_x = cursor_x;
2310                         gui->eyedrop_y = cursor_y;
2311
2312 // show it
2313                         {
2314                                 int temp;
2315                                 do_eyedrop(temp, 0, 1);
2316                                 gui->eyedrop_visible = 1;
2317                         }
2318
2319 // Decompression coefficients straight out of jpeglib
2320 #define V_TO_R    1.40200
2321 #define V_TO_G    -0.71414
2322
2323 #define U_TO_G    -0.34414
2324 #define U_TO_B    1.77200
2325
2326 #define GET_COLOR(type, components, max, do_yuv) \
2327 { \
2328         type *row = (type*)(refresh_frame->get_rows()[i]) + \
2329                 j * components; \
2330         float red = (float)*row++ / max; \
2331         float green = (float)*row++ / max; \
2332         float blue = (float)*row++ / max; \
2333         if(do_yuv) \
2334         { \
2335                 float r = red + V_TO_R * (blue - 0.5); \
2336                 float g = red + U_TO_G * (green - 0.5) + V_TO_G * (blue - 0.5); \
2337                 float b = red + U_TO_B * (green - 0.5); \
2338                 mwindow->edl->local_session->red += r; \
2339                 mwindow->edl->local_session->green += g; \
2340                 mwindow->edl->local_session->blue += b; \
2341                 if(r > mwindow->edl->local_session->red_max) mwindow->edl->local_session->red_max = r; \
2342                 if(g > mwindow->edl->local_session->green_max) mwindow->edl->local_session->green_max = g; \
2343                 if(b > mwindow->edl->local_session->blue_max) mwindow->edl->local_session->blue_max = b; \
2344         } \
2345         else \
2346         { \
2347                 mwindow->edl->local_session->red += red; \
2348                 mwindow->edl->local_session->green += green; \
2349                 mwindow->edl->local_session->blue += blue; \
2350                 if(red > mwindow->edl->local_session->red_max) mwindow->edl->local_session->red_max = red; \
2351                 if(green > mwindow->edl->local_session->green_max) mwindow->edl->local_session->green_max = green; \
2352                 if(blue > mwindow->edl->local_session->blue_max) mwindow->edl->local_session->blue_max = blue; \
2353         } \
2354 }
2355
2356
2357
2358                         mwindow->edl->local_session->red = 0;
2359                         mwindow->edl->local_session->green = 0;
2360                         mwindow->edl->local_session->blue = 0;
2361                         mwindow->edl->local_session->red_max = 0;
2362                         mwindow->edl->local_session->green_max = 0;
2363                         mwindow->edl->local_session->blue_max = 0;
2364                         for(int i = row1; i < row2; i++)
2365                         {
2366                                 for(int j = column1; j < column2; j++)
2367                                 {
2368                                         switch(refresh_frame->get_color_model())
2369                                         {
2370                                                 case BC_YUV888:
2371                                                         GET_COLOR(unsigned char, 3, 0xff, 1);
2372                                                         break;
2373                                                 case BC_YUVA8888:
2374                                                         GET_COLOR(unsigned char, 4, 0xff, 1);
2375                                                         break;
2376                                                 case BC_YUV161616:
2377                                                         GET_COLOR(uint16_t, 3, 0xffff, 1);
2378                                                         break;
2379                                                 case BC_YUVA16161616:
2380                                                         GET_COLOR(uint16_t, 4, 0xffff, 1);
2381                                                         break;
2382                                                 case BC_RGB888:
2383                                                         GET_COLOR(unsigned char, 3, 0xff, 0);
2384                                                         break;
2385                                                 case BC_RGBA8888:
2386                                                         GET_COLOR(unsigned char, 4, 0xff, 0);
2387                                                         break;
2388                                                 case BC_RGB_FLOAT:
2389                                                         GET_COLOR(float, 3, 1.0, 0);
2390                                                         break;
2391                                                 case BC_RGBA_FLOAT:
2392                                                         GET_COLOR(float, 4, 1.0, 0);
2393                                                         break;
2394                                         }
2395                                 }
2396                         }
2397
2398                         mwindow->edl->local_session->red /= (row2 - row1) * (column2 - column1);
2399                         mwindow->edl->local_session->green /= (row2 - row1) * (column2 - column1);
2400                         mwindow->edl->local_session->blue /= (row2 - row1) * (column2 - column1);
2401
2402                 }
2403                 else
2404                 {
2405                         mwindow->edl->local_session->red = 0;
2406                         mwindow->edl->local_session->green = 0;
2407                         mwindow->edl->local_session->blue = 0;
2408                         gui->eyedrop_visible = 0;
2409                 }
2410
2411
2412                 gui->update_tool();
2413
2414
2415
2416                 result = 1;
2417 // Can't rerender since the color value is from the output of any effect it
2418 // goes into.
2419 //              rerender = 1;
2420                 mwindow->undo->update_undo_after(_("Eyedrop"), LOAD_SESSION);
2421         }
2422
2423         return result;
2424 }
2425
2426 int CWindowCanvas::need_overlays()
2427 {
2428         if( mwindow->edl->session->safe_regions ) return 1;
2429         if( mwindow->edl->session->cwindow_scrollbars ) return 1;
2430         if( gui->highlighted ) return 1;
2431         switch( mwindow->edl->session->cwindow_operation ) {
2432                 case CWINDOW_EYEDROP:
2433                         if( ! gui->eyedrop_visible ) break;
2434                 case CWINDOW_CAMERA:
2435                 case CWINDOW_PROJECTOR:
2436                 case CWINDOW_CROP:
2437                 case CWINDOW_MASK:
2438                 case CWINDOW_RULER:
2439                         return 1;
2440         }
2441         return 0;
2442 }
2443
2444 void CWindowCanvas::draw_overlays()
2445 {
2446         if(mwindow->edl->session->safe_regions)
2447         {
2448                 draw_safe_regions();
2449         }
2450
2451         if(mwindow->edl->session->cwindow_scrollbars)
2452         {
2453 // Always draw output rectangle
2454                 float x1, y1, x2, y2;
2455                 x1 = 0;
2456                 x2 = mwindow->edl->session->output_w;
2457                 y1 = 0;
2458                 y2 = mwindow->edl->session->output_h;
2459                 output_to_canvas(mwindow->edl, 0, x1, y1);
2460                 output_to_canvas(mwindow->edl, 0, x2, y2);
2461
2462                 get_canvas()->set_inverse();
2463                 get_canvas()->set_color(WHITE);
2464
2465                 get_canvas()->draw_rectangle((int)x1,
2466                                 (int)y1,
2467                                 (int)(x2 - x1),
2468                                 (int)(y2 - y1));
2469
2470                 get_canvas()->set_opaque();
2471         }
2472
2473         if(gui->highlighted)
2474         {
2475                 get_canvas()->set_color(WHITE);
2476                 get_canvas()->set_inverse();
2477                 get_canvas()->draw_rectangle(0, 0, get_canvas()->get_w(), get_canvas()->get_h());
2478                 get_canvas()->draw_rectangle(1, 1, get_canvas()->get_w() - 2, get_canvas()->get_h() - 2);
2479                 get_canvas()->set_opaque();
2480         }
2481
2482         int temp1 = 0, temp2 = 0;
2483 //printf("CWindowCanvas::draw_overlays 1 %d\n", mwindow->edl->session->cwindow_operation);
2484         switch(mwindow->edl->session->cwindow_operation)
2485         {
2486                 case CWINDOW_CAMERA:
2487                         draw_outlines(1);
2488                         break;
2489
2490                 case CWINDOW_PROJECTOR:
2491                         draw_outlines(0);
2492                         break;
2493
2494                 case CWINDOW_CROP:
2495                         draw_crop();
2496                         break;
2497
2498                 case CWINDOW_MASK:
2499                         do_mask(temp1, temp2, 0, 0, 1);
2500                         break;
2501
2502                 case CWINDOW_RULER:
2503                         do_ruler(1, 0, 0, 0);
2504                         break;
2505
2506                 case CWINDOW_EYEDROP:
2507                 if(gui->eyedrop_visible)
2508                 {
2509                         int rerender;
2510                         do_eyedrop(rerender, 0, 1);
2511                         gui->eyedrop_visible = 1;
2512                         break;
2513                 }
2514         }
2515 }
2516
2517 void CWindowCanvas::draw_safe_regions()
2518 {
2519         float action_x1, action_x2, action_y1, action_y2;
2520         float title_x1, title_x2, title_y1, title_y2;
2521
2522         action_x1 = mwindow->edl->session->output_w / 2 - mwindow->edl->session->output_w / 2 * 0.9;
2523         action_x2 = mwindow->edl->session->output_w / 2 + mwindow->edl->session->output_w / 2 * 0.9;
2524         action_y1 = mwindow->edl->session->output_h / 2 - mwindow->edl->session->output_h / 2 * 0.9;
2525         action_y2 = mwindow->edl->session->output_h / 2 + mwindow->edl->session->output_h / 2 * 0.9;
2526         title_x1 = mwindow->edl->session->output_w / 2 - mwindow->edl->session->output_w / 2 * 0.8;
2527         title_x2 = mwindow->edl->session->output_w / 2 + mwindow->edl->session->output_w / 2 * 0.8;
2528         title_y1 = mwindow->edl->session->output_h / 2 - mwindow->edl->session->output_h / 2 * 0.8;
2529         title_y2 = mwindow->edl->session->output_h / 2 + mwindow->edl->session->output_h / 2 * 0.8;
2530
2531         output_to_canvas(mwindow->edl, 0, action_x1, action_y1);
2532         output_to_canvas(mwindow->edl, 0, action_x2, action_y2);
2533         output_to_canvas(mwindow->edl, 0, title_x1, title_y1);
2534         output_to_canvas(mwindow->edl, 0, title_x2, title_y2);
2535
2536         get_canvas()->set_inverse();
2537         get_canvas()->set_color(WHITE);
2538
2539         get_canvas()->draw_rectangle((int)action_x1,
2540                         (int)action_y1,
2541                         (int)(action_x2 - action_x1),
2542                         (int)(action_y2 - action_y1));
2543         get_canvas()->draw_rectangle((int)title_x1,
2544                         (int)title_y1,
2545                         (int)(title_x2 - title_x1),
2546                         (int)(title_y2 - title_y1));
2547
2548         get_canvas()->set_opaque();
2549 }
2550
2551
2552 void CWindowCanvas::create_keyframe(int do_camera)
2553 {
2554         Track *affected_track = gui->cwindow->calculate_affected_track();
2555         if( affected_track ) {
2556                 double pos = mwindow->edl->local_session->get_selectionstart(1);
2557                 int64_t position = affected_track->to_units(pos, 0);
2558                 int ix = do_camera ? AUTOMATION_CAMERA_X : AUTOMATION_PROJECTOR_X;
2559                 int iy = do_camera ? AUTOMATION_CAMERA_Y : AUTOMATION_PROJECTOR_Y;
2560                 int iz = do_camera ? AUTOMATION_CAMERA_Z : AUTOMATION_PROJECTOR_Z;
2561                 FloatAuto *prev, *next;
2562                 FloatAutos **autos = (FloatAutos**)affected_track->automation->autos;
2563                 FloatAutos *x_autos = autos[ix];  prev = 0;  next = 0;
2564                 float x_value = x_autos->get_value(position, PLAY_FORWARD, prev, next);
2565                 FloatAutos *y_autos = autos[iy];  prev = 0;  next = 0;
2566                 float y_value = y_autos->get_value(position, PLAY_FORWARD, prev, next);
2567                 FloatAutos *z_autos = autos[iz];  prev = 0;  next = 0;
2568                 float z_value = z_autos->get_value(position, PLAY_FORWARD, prev, next);
2569                 FloatAuto *x_keyframe = 0, *y_keyframe = 0, *z_keyframe = 0;
2570
2571                 gui->cwindow->calculate_affected_autos(affected_track,
2572                         &x_keyframe, &y_keyframe, &z_keyframe,
2573                         do_camera, -1, -1, -1, 0);
2574                 x_keyframe->set_value(x_value);
2575                 y_keyframe->set_value(y_value);
2576                 z_keyframe->set_value(z_value);
2577
2578                 gui->sync_parameters(CHANGE_PARAMS, 1, 1);
2579         }
2580 }
2581
2582 void CWindowCanvas::camera_keyframe() { create_keyframe(1); }
2583 void CWindowCanvas::projector_keyframe() { create_keyframe(0); }
2584
2585 void CWindowCanvas::reset_keyframe(int do_camera)
2586 {
2587         Track *affected_track = gui->cwindow->calculate_affected_track();
2588         if( affected_track ) {
2589                 FloatAuto *x_keyframe = 0, *y_keyframe = 0, *z_keyframe = 0;
2590                 gui->cwindow->calculate_affected_autos(affected_track,
2591                         &x_keyframe, &y_keyframe, &z_keyframe,
2592                         do_camera, 1, 1, 1);
2593
2594                 x_keyframe->set_value(0);
2595                 y_keyframe->set_value(0);
2596                 z_keyframe->set_value(1);
2597
2598                 gui->sync_parameters(CHANGE_PARAMS, 1, 1);
2599         }
2600 }
2601
2602 void CWindowCanvas::reset_camera() { reset_keyframe(1); }
2603 void CWindowCanvas::reset_projector() { reset_keyframe(0); }
2604
2605
2606 int CWindowCanvas::test_crop(int button_press, int &redraw)
2607 {
2608         int result = 0;
2609         int handle_selected = -1;
2610         float x1 = mwindow->edl->session->crop_x1;
2611         float y1 = mwindow->edl->session->crop_y1;
2612         float x2 = mwindow->edl->session->crop_x2;
2613         float y2 = mwindow->edl->session->crop_y2;
2614         float cursor_x = get_cursor_x();
2615         float cursor_y = get_cursor_y();
2616         float canvas_x1 = x1;
2617         float canvas_y1 = y1;
2618         float canvas_x2 = x2;
2619         float canvas_y2 = y2;
2620         float canvas_cursor_x = cursor_x;
2621         float canvas_cursor_y = cursor_y;
2622
2623         canvas_to_output(mwindow->edl, 0, cursor_x, cursor_y);
2624 // Use screen normalized coordinates for hot spot tests.
2625         output_to_canvas(mwindow->edl, 0, canvas_x1, canvas_y1);
2626         output_to_canvas(mwindow->edl, 0, canvas_x2, canvas_y2);
2627
2628
2629         if(gui->current_operation == CWINDOW_CROP)
2630         {
2631                 handle_selected = gui->crop_handle;
2632         }
2633         else
2634         if(canvas_cursor_x >= canvas_x1 && canvas_cursor_x < canvas_x1 + CROPHANDLE_W &&
2635                 canvas_cursor_y >= canvas_y1 && canvas_cursor_y < canvas_y1 + CROPHANDLE_H)
2636         {
2637                 handle_selected = 0;
2638                 gui->crop_origin_x = x1;
2639                 gui->crop_origin_y = y1;
2640         }
2641         else
2642         if(canvas_cursor_x >= canvas_x2 - CROPHANDLE_W && canvas_cursor_x < canvas_x2 &&
2643                 canvas_cursor_y >= canvas_y1 && canvas_cursor_y < canvas_y1 + CROPHANDLE_H)
2644         {
2645                 handle_selected = 1;
2646                 gui->crop_origin_x = x2;
2647                 gui->crop_origin_y = y1;
2648         }
2649         else
2650         if(canvas_cursor_x >= canvas_x1 && canvas_cursor_x < canvas_x1 + CROPHANDLE_W &&
2651                 canvas_cursor_y >= canvas_y2 - CROPHANDLE_H && canvas_cursor_y < canvas_y2)
2652         {
2653                 handle_selected = 2;
2654                 gui->crop_origin_x = x1;
2655                 gui->crop_origin_y = y2;
2656         }
2657         else
2658         if(canvas_cursor_x >= canvas_x2 - CROPHANDLE_W && canvas_cursor_x < canvas_x2 &&
2659                 canvas_cursor_y >= canvas_y2 - CROPHANDLE_H && canvas_cursor_y < canvas_y2)
2660         {
2661                 handle_selected = 3;
2662                 gui->crop_origin_x = x2;
2663                 gui->crop_origin_y = y2;
2664         }
2665         else
2666 // Start new box
2667         {
2668                 gui->crop_origin_x = cursor_x;
2669                 gui->crop_origin_y = cursor_y;
2670         }
2671
2672 // printf("test crop %d %d\n",
2673 //      gui->current_operation,
2674 //      handle_selected);
2675
2676 // Start dragging.
2677         if(button_press)
2678         {
2679                 if(gui->alt_down())
2680                 {
2681                         gui->crop_translate = 1;
2682                         gui->crop_origin_x1 = x1;
2683                         gui->crop_origin_y1 = y1;
2684                         gui->crop_origin_x2 = x2;
2685                         gui->crop_origin_y2 = y2;
2686                 }
2687                 else
2688                         gui->crop_translate = 0;
2689
2690                 gui->current_operation = CWINDOW_CROP;
2691                 gui->crop_handle = handle_selected;
2692                 gui->x_origin = cursor_x;
2693                 gui->y_origin = cursor_y;
2694                 gui->tool_panel->raise_window();
2695                 result = 1;
2696
2697                 if(handle_selected < 0 && !gui->crop_translate)
2698                 {
2699                         x2 = x1 = cursor_x;
2700                         y2 = y1 = cursor_y;
2701                         mwindow->edl->session->crop_x1 = (int)x1;
2702                         mwindow->edl->session->crop_y1 = (int)y1;
2703                         mwindow->edl->session->crop_x2 = (int)x2;
2704                         mwindow->edl->session->crop_y2 = (int)y2;
2705                         redraw = 1;
2706                 }
2707         }
2708         else
2709 // Translate all 4 points
2710         if(gui->current_operation == CWINDOW_CROP && gui->crop_translate)
2711         {
2712                 x1 = cursor_x - gui->x_origin + gui->crop_origin_x1;
2713                 y1 = cursor_y - gui->y_origin + gui->crop_origin_y1;
2714                 x2 = cursor_x - gui->x_origin + gui->crop_origin_x2;
2715                 y2 = cursor_y - gui->y_origin + gui->crop_origin_y2;
2716
2717                 mwindow->edl->session->crop_x1 = (int)x1;
2718                 mwindow->edl->session->crop_y1 = (int)y1;
2719                 mwindow->edl->session->crop_x2 = (int)x2;
2720                 mwindow->edl->session->crop_y2 = (int)y2;
2721                 result = 1;
2722                 redraw = 1;
2723         }
2724         else
2725 // Update dragging
2726         if(gui->current_operation == CWINDOW_CROP)
2727         {
2728                 switch(gui->crop_handle)
2729                 {
2730                         case -1:
2731                                 x1 = gui->crop_origin_x;
2732                                 y1 = gui->crop_origin_y;
2733                                 x2 = gui->crop_origin_x;
2734                                 y2 = gui->crop_origin_y;
2735                                 if(cursor_x < gui->x_origin)
2736                                 {
2737                                         if(cursor_y < gui->y_origin)
2738                                         {
2739                                                 x1 = cursor_x;
2740                                                 y1 = cursor_y;
2741                                         }
2742                                         else
2743                                         if(cursor_y >= gui->y_origin)
2744                                         {
2745                                                 x1 = cursor_x;
2746                                                 y2 = cursor_y;
2747                                         }
2748                                 }
2749                                 else
2750                                 if(cursor_x  >= gui->x_origin)
2751                                 {
2752                                         if(cursor_y < gui->y_origin)
2753                                         {
2754                                                 y1 = cursor_y;
2755                                                 x2 = cursor_x;
2756                                         }
2757                                         else
2758                                         if(cursor_y >= gui->y_origin)
2759                                         {
2760                                                 x2 = cursor_x;
2761                                                 y2 = cursor_y;
2762                                         }
2763                                 }
2764
2765 // printf("test crop %d %d %d %d\n",
2766 //      mwindow->edl->session->crop_x1,
2767 //      mwindow->edl->session->crop_y1,
2768 //      mwindow->edl->session->crop_x2,
2769 //      mwindow->edl->session->crop_y2);
2770                                 break;
2771                         case 0:
2772                                 x1 = cursor_x - gui->x_origin + gui->crop_origin_x;
2773                                 y1 = cursor_y - gui->y_origin + gui->crop_origin_y;
2774                                 break;
2775                         case 1:
2776                                 x2 = cursor_x - gui->x_origin + gui->crop_origin_x;
2777                                 y1 = cursor_y - gui->y_origin + gui->crop_origin_y;
2778                                 break;
2779                         case 2:
2780                                 x1 = cursor_x - gui->x_origin + gui->crop_origin_x;
2781                                 y2 = cursor_y - gui->y_origin + gui->crop_origin_y;
2782                                 break;
2783                         case 3:
2784                                 x2 = cursor_x - gui->x_origin + gui->crop_origin_x;
2785                                 y2 = cursor_y - gui->y_origin + gui->crop_origin_y;
2786                                 break;
2787                 }
2788
2789                 if(!EQUIV(mwindow->edl->session->crop_x1, x1) ||
2790                         !EQUIV(mwindow->edl->session->crop_x2, x2) ||
2791                         !EQUIV(mwindow->edl->session->crop_y1, y1) ||
2792                         !EQUIV(mwindow->edl->session->crop_y2, y2))