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,
  85     100,
  86     1,
  87     1,
  88     1,
  89         BC_WindowBase::get_resources()->bg_color,
  90         mwindow->get_cwindow_display())
  91 {
  92         this->mwindow = mwindow;
  93         this->cwindow = cwindow;
  94         affected_track = 0;
  95         affected_x = 0;
  96         affected_y = 0;
  97         affected_z = 0;
  98         mask_keyframe = 0;
  99         orig_mask_keyframe = new MaskAuto(0, 0);
 100         affected_point = 0;
 101         x_offset = 0;
 102         y_offset = 0;
 103         x_origin = 0;
 104         y_origin = 0;
 105         current_operation = CWINDOW_NONE;
 106         tool_panel = 0;
 107         translating_zoom = 0;
 108         active = 0;
 109         inactive = 0;
 110         crop_translate = 0;
 111         eyedrop_visible = 0;
 112         highlighted = 0;
 113 }
 114
 115 CWindowGUI::~CWindowGUI()
 116 {
 117         if(tool_panel) delete tool_panel;
 118         delete meters;
 119         delete composite_panel;
 120         delete canvas;
 121         delete transport;
 122         delete edit_panel;
 123         delete zoom_panel;
 124         delete active;
 125         delete inactive;
 126         delete orig_mask_keyframe;
 127 }
 128
 129 void CWindowGUI::create_objects()
 130 {
 131         lock_window("CWindowGUI::create_objects");
 132         set_icon(mwindow->theme->get_image("cwindow_icon"));
 133
 134         active = new BC_Pixmap(this, mwindow->theme->get_image("cwindow_active"));
 135         inactive = new BC_Pixmap(this, mwindow->theme->get_image("cwindow_inactive"));
 136
 137         mwindow->theme->get_cwindow_sizes(this, mwindow->session->cwindow_controls);
 138         mwindow->theme->draw_cwindow_bg(this);
 139         flash();
 140
 141 // Meters required by composite panel
 142         meters = new CWindowMeters(mwindow,
 143                 this,
 144                 mwindow->theme->cmeter_x,
 145                 mwindow->theme->cmeter_y,
 146                 mwindow->theme->cmeter_h);
 147         meters->create_objects();
 148
 149
 150         composite_panel = new CPanel(mwindow,
 151                 this,
 152                 mwindow->theme->ccomposite_x,
 153                 mwindow->theme->ccomposite_y,
 154                 mwindow->theme->ccomposite_w,
 155                 mwindow->theme->ccomposite_h);
 156         composite_panel->create_objects();
 157
 158         canvas = new CWindowCanvas(mwindow, this);
 159
 160         canvas->create_objects(mwindow->edl);
 161         canvas->use_cwindow();
 162
 163
 164         add_subwindow(timebar = new CTimeBar(mwindow,
 165                 this,
 166                 mwindow->theme->ctimebar_x,
 167                 mwindow->theme->ctimebar_y,
 168                 mwindow->theme->ctimebar_w,
 169                 mwindow->theme->ctimebar_h));
 170         timebar->create_objects();
 171
 172 #ifdef USE_SLIDER
 173         add_subwindow(slider = new CWindowSlider(mwindow,
 174                 cwindow,
 175                 mwindow->theme->cslider_x,
 176                 mwindow->theme->cslider_y,
 177                 mwindow->theme->cslider_w));
 178 #endif
 179
 180         transport = new CWindowTransport(mwindow,
 181                 this,
 182                 mwindow->theme->ctransport_x,
 183                 mwindow->theme->ctransport_y);
 184         transport->create_objects();
 185 #ifdef USE_SLIDER
 186         transport->set_slider(slider);
 187 #endif
 188
 189         edit_panel = new CWindowEditing(mwindow, cwindow);
 190         edit_panel->set_meters(meters);
 191         edit_panel->create_objects();
 192
 193 //      add_subwindow(clock = new MainClock(mwindow,
 194 //              mwindow->theme->ctime_x,
 195 //              mwindow->theme->ctime_y));
 196
 197         zoom_panel = new CWindowZoom(mwindow,
 198                 this,
 199                 mwindow->theme->czoom_x,
 200                 mwindow->theme->czoom_y,
 201                 mwindow->theme->czoom_w);
 202         zoom_panel->create_objects();
 203         auto_zoom = _(AUTO_ZOOM);
 204         zoom_panel->zoom_text->add_item(new BC_MenuItem(auto_zoom));
 205         if(!mwindow->edl->session->cwindow_scrollbars) zoom_panel->set_text(auto_zoom);
 206
 207 //      destination = new CWindowDestination(mwindow,
 208 //              this,
 209 //              mwindow->theme->cdest_x,
 210 //              mwindow->theme->cdest_y);
 211 //      destination->create_objects();
 212
 213 // Must create after meter panel
 214         tool_panel = new CWindowTool(mwindow, this);
 215         tool_panel->Thread::start();
 216
 217
 218         set_operation(mwindow->edl->session->cwindow_operation);
 219
 220
 221
 222         canvas->draw_refresh(0);
 223
 224
 225         draw_status(0);
 226         unlock_window();
 227 }
 228
 229 int CWindowGUI::translation_event()
 230 {
 231         mwindow->session->cwindow_x = get_x();
 232         mwindow->session->cwindow_y = get_y();
 233         return 0;
 234 }
 235
 236 int CWindowGUI::resize_event(int w, int h)
 237 {
 238         mwindow->session->cwindow_x = get_x();
 239         mwindow->session->cwindow_y = get_y();
 240         mwindow->session->cwindow_w = w;
 241         mwindow->session->cwindow_h = h;
 242
 243         mwindow->theme->get_cwindow_sizes(this, mwindow->session->cwindow_controls);
 244         mwindow->theme->draw_cwindow_bg(this);
 245         flash(0);
 246
 247         composite_panel->reposition_buttons(mwindow->theme->ccomposite_x,
 248                 mwindow->theme->ccomposite_y);
 249
 250         canvas->reposition_window(mwindow->edl,
 251                 mwindow->theme->ccanvas_x,
 252                 mwindow->theme->ccanvas_y,
 253                 mwindow->theme->ccanvas_w,
 254                 mwindow->theme->ccanvas_h);
 255
 256         timebar->resize_event();
 257
 258 #ifdef USE_SLIDER
 259         slider->reposition_window(mwindow->theme->cslider_x,
 260                 mwindow->theme->cslider_y,
 261                 mwindow->theme->cslider_w);
 262 // Recalibrate pointer motion range
 263         slider->set_position();
 264 #endif
 265
 266         transport->reposition_buttons(mwindow->theme->ctransport_x,
 267                 mwindow->theme->ctransport_y);
 268
 269         edit_panel->reposition_buttons(mwindow->theme->cedit_x,
 270                 mwindow->theme->cedit_y);
 271
 272 //      clock->reposition_window(mwindow->theme->ctime_x,
 273 //              mwindow->theme->ctime_y);
 274
 275         zoom_panel->reposition_window(mwindow->theme->czoom_x,
 276                 mwindow->theme->czoom_y);
 277
 278 //      destination->reposition_window(mwindow->theme->cdest_x,
 279 //              mwindow->theme->cdest_y);
 280
 281         meters->reposition_window(mwindow->theme->cmeter_x,
 282                 mwindow->theme->cmeter_y,
 283                 -1,
 284                 mwindow->theme->cmeter_h);
 285
 286         draw_status(0);
 287
 288         BC_WindowBase::resize_event(w, h);
 289         return 1;
 290 }
 291
 292 int CWindowGUI::button_press_event()
 293 {
 294         if(canvas->get_canvas())
 295                 return canvas->button_press_event_base(canvas->get_canvas());
 296         return 0;
 297 }
 298
 299 int CWindowGUI::cursor_leave_event()
 300 {
 301         if(canvas->get_canvas())
 302                 return canvas->cursor_leave_event_base(canvas->get_canvas());
 303         return 0;
 304 }
 305
 306 int CWindowGUI::cursor_enter_event()
 307 {
 308         if(canvas->get_canvas())
 309                 return canvas->cursor_enter_event_base(canvas->get_canvas());
 310         return 0;
 311 }
 312
 313 int CWindowGUI::button_release_event()
 314 {
 315         if(canvas->get_canvas())
 316                 return canvas->button_release_event();
 317         return 0;
 318 }
 319
 320 int CWindowGUI::cursor_motion_event()
 321 {
 322         if(canvas->get_canvas())
 323         {
 324                 canvas->get_canvas()->unhide_cursor();
 325                 return canvas->cursor_motion_event();
 326         }
 327         return 0;
 328 }
 329
 330
 331
 332
 333
 334
 335
 336 void CWindowGUI::draw_status(int flush)
 337 {
 338         if( (canvas->get_canvas() && canvas->get_canvas()->get_video_on()) ||
 339                 canvas->is_processing )
 340         {
 341                 draw_pixmap(active,
 342                         mwindow->theme->cstatus_x,
 343                         mwindow->theme->cstatus_y);
 344         }
 345         else
 346         {
 347                 draw_pixmap(inactive,
 348                         mwindow->theme->cstatus_x,
 349                         mwindow->theme->cstatus_y);
 350         }
 351
 352
 353 // printf("CWindowGUI::draw_status %d %d %d\n", __LINE__, mwindow->theme->cstatus_x,
 354 //              mwindow->theme->cstatus_y);
 355         flash(mwindow->theme->cstatus_x,
 356                 mwindow->theme->cstatus_y,
 357                 active->get_w(),
 358                 active->get_h(),
 359                 flush);
 360 }
 361
 362
 363 void CWindowGUI::zoom_canvas(int do_auto, double value, int update_menu)
 364 {
 365         if(do_auto)
 366                 mwindow->edl->session->cwindow_scrollbars = 0;
 367         else
 368                 mwindow->edl->session->cwindow_scrollbars = 1;
 369
 370         float old_zoom = mwindow->edl->session->cwindow_zoom;
 371         float new_zoom = value;
 372         float x = canvas->w / 2.0;
 373         float y = canvas->h / 2.0;
 374         canvas->canvas_to_output(mwindow->edl,
 375                                 0,
 376                                 x,
 377                                 y);
 378         x -= canvas->w_visible / 2 * old_zoom / new_zoom;
 379         y -= canvas->h_visible / 2 * old_zoom / new_zoom;
 380         if(update_menu)
 381         {
 382                 if(do_auto)
 383                 {
 384                         zoom_panel->update(auto_zoom);
 385                 }
 386                 else
 387                 {
 388                         zoom_panel->update(value);
 389                 }
 390         }
 391
 392         canvas->update_zoom((int)x,
 393                 (int)y,
 394                 new_zoom);
 395         canvas->reposition_window(mwindow->edl,
 396                 mwindow->theme->ccanvas_x,
 397                 mwindow->theme->ccanvas_y,
 398                 mwindow->theme->ccanvas_w,
 399                 mwindow->theme->ccanvas_h);
 400         canvas->draw_refresh();
 401 }
 402
 403
 404
 405 void CWindowGUI::set_operation(int value)
 406 {
 407         mwindow->edl->session->cwindow_operation = value;
 408
 409         composite_panel->set_operation(value);
 410         edit_panel->update();
 411
 412         tool_panel->start_tool(value);
 413         canvas->draw_refresh();
 414 }
 415
 416 void CWindowGUI::update_tool()
 417 {
 418         tool_panel->update_values();
 419 }
 420
 421 int CWindowGUI::close_event()
 422 {
 423         cwindow->hide_window();
 424         return 1;
 425 }
 426
 427
 428 int CWindowGUI::keypress_event()
 429 {
 430         int result = 0;
 431
 432         switch(get_keypress())
 433         {
 434                 case 'w':
 435                 case 'W':
 436                         close_event();
 437                         result = 1;
 438                         break;
 439                 case '+':
 440                 case '=':
 441                         keyboard_zoomin();
 442                         result = 1;
 443                         break;
 444                 case '-':
 445                         keyboard_zoomout();
 446                         result = 1;
 447                         break;
 448                 case 'f':
 449                         unlock_window();
 450                         if(mwindow->session->cwindow_fullscreen)
 451                                 canvas->stop_fullscreen();
 452                         else
 453                                 canvas->start_fullscreen();
 454                         lock_window("CWindowGUI::keypress_event 1");
 455                         break;
 456                 case 'x':
 457                         unlock_window();
 458                         mwindow->gui->lock_window("CWindowGUI::keypress_event 2");
 459                         mwindow->cut();
 460                         mwindow->gui->unlock_window();
 461                         lock_window("CWindowGUI::keypress_event 2");
 462                         break;
 463                 case DELETE:
 464                         unlock_window();
 465                         mwindow->gui->lock_window("CWindowGUI::keypress_event 2");
 466                         mwindow->clear_entry();
 467                         mwindow->gui->unlock_window();
 468                         lock_window("CWindowGUI::keypress_event 3");
 469                         break;
 470                 case ESC:
 471                         unlock_window();
 472                         if(mwindow->session->cwindow_fullscreen)
 473                                 canvas->stop_fullscreen();
 474                         lock_window("CWindowGUI::keypress_event 4");
 475                         break;
 476                 case LEFT:
 477                         if(!ctrl_down())
 478                         {
 479                                 if (alt_down())
 480                                 {
 481                                         int shift_down = this->shift_down();
 482                                         unlock_window();
 483                                         mwindow->gui->mbuttons->transport->handle_transport(STOP, 1, 0, 0);
 484
 485                                         mwindow->gui->lock_window("CWindowGUI::keypress_event 2");
 486                                         mwindow->prev_edit_handle(shift_down);
 487                                         mwindow->gui->unlock_window();
 488
 489                                         lock_window("CWindowGUI::keypress_event 1");
 490                                 }
 491                                 else
 492                                 {
 493                                         unlock_window();
 494
 495                                         mwindow->gui->lock_window("CWindowGUI::keypress_event 3");
 496                                         mwindow->move_left();
 497                                         mwindow->gui->unlock_window();
 498
 499                                         lock_window("CWindowGUI::keypress_event 2");
 500                                 }
 501                                 result = 1;
 502                         }
 503                         break;
 504                 case RIGHT:
 505                         if(!ctrl_down())
 506                         {
 507                                 if (alt_down())
 508                                 {
 509                                         int shift_down = this->shift_down();
 510                                         unlock_window();
 511                                         mwindow->gui->mbuttons->transport->handle_transport(STOP, 1, 0, 0);
 512
 513                                         mwindow->gui->lock_window("CWindowGUI::keypress_event 2");
 514                                         mwindow->next_edit_handle(shift_down);
 515                                         mwindow->gui->unlock_window();
 516
 517                                         lock_window("CWindowGUI::keypress_event 2");
 518                                 }
 519                                 else
 520                                 {
 521                                         unlock_window();
 522
 523                                         mwindow->gui->lock_window("CWindowGUI::keypress_event 4");
 524                                         mwindow->move_right();
 525                                         mwindow->gui->unlock_window();
 526
 527                                         lock_window("CWindowGUI::keypress_event 3");
 528                                 }
 529                                 result = 1;
 530                         }
 531                         break;
 532         }
 533
 534         if(!result) result = transport->keypress_event();
 535
 536         return result;
 537 }
 538
 539
 540 void CWindowGUI::reset_affected()
 541 {
 542         affected_x = 0;
 543         affected_y = 0;
 544         affected_z = 0;
 545 }
 546
 547 void CWindowGUI::keyboard_zoomin()
 548 {
 549 //      if(mwindow->edl->session->cwindow_scrollbars)
 550 //      {
 551                 zoom_panel->zoom_tumbler->handle_up_event();
 552 //      }
 553 //      else
 554 //      {
 555 //      }
 556 }
 557
 558 void CWindowGUI::keyboard_zoomout()
 559 {
 560 //      if(mwindow->edl->session->cwindow_scrollbars)
 561 //      {
 562                 zoom_panel->zoom_tumbler->handle_down_event();
 563 //      }
 564 //      else
 565 //      {
 566 //      }
 567 }
 568
 569
 570 void CWindowGUI::drag_motion()
 571 {
 572         if(get_hidden()) return;
 573
 574         if(mwindow->session->current_operation != DRAG_ASSET &&
 575                 mwindow->session->current_operation != DRAG_VTRANSITION &&
 576                 mwindow->session->current_operation != DRAG_VEFFECT) return;
 577         int need_highlight = cursor_above() && get_cursor_over_window();
 578         if( highlighted == need_highlight ) return;
 579         highlighted = need_highlight;
 580         canvas->draw_refresh();
 581 }
 582
 583 int CWindowGUI::drag_stop()
 584 {
 585         int result = 0;
 586         if(get_hidden()) return 0;
 587         if( !highlighted ) return 0;
 588         if( mwindow->session->current_operation != DRAG_ASSET &&
 589             mwindow->session->current_operation != DRAG_VTRANSITION &&
 590             mwindow->session->current_operation != DRAG_VEFFECT) return 0;
 591         highlighted = 0;
 592         canvas->draw_refresh();
 593         result = 1;
 594
 595         if(mwindow->session->current_operation == DRAG_ASSET)
 596         {
 597                 if(mwindow->session->drag_assets->total ||
 598                         mwindow->session->drag_clips->total)
 599                 {
 600                         mwindow->gui->lock_window("CWindowGUI::drag_stop 5");
 601                         mwindow->undo->update_undo_before(_("insert assets"), 0);
 602                         mwindow->gui->unlock_window();
 603                 }
 604
 605                 if(mwindow->session->drag_assets->total)
 606                 {
 607                         mwindow->gui->lock_window("CWindowGUI::drag_stop 1");
 608                         mwindow->clear(0);
 609                         mwindow->load_assets(mwindow->session->drag_assets,
 610                                 mwindow->edl->local_session->get_selectionstart(),
 611                                 LOADMODE_PASTE,
 612                                 mwindow->session->track_highlighted,
 613                                 0,
 614                                 mwindow->edl->session->labels_follow_edits,
 615                                 mwindow->edl->session->plugins_follow_edits,
 616                                 mwindow->edl->session->autos_follow_edits,
 617                                 0); // overwrite
 618                 }
 619
 620                 if(mwindow->session->drag_clips->total)
 621                 {
 622                         mwindow->gui->lock_window("CWindowGUI::drag_stop 2");
 623                         mwindow->clear(0);
 624                         mwindow->paste_edls(mwindow->session->drag_clips,
 625                                 LOADMODE_PASTE,
 626                                 mwindow->session->track_highlighted,
 627                                 mwindow->edl->local_session->get_selectionstart(),
 628                                 mwindow->edl->session->labels_follow_edits,
 629                                 mwindow->edl->session->plugins_follow_edits,
 630                                 mwindow->edl->session->autos_follow_edits,
 631                                 0); // overwrite
 632                 }
 633
 634                 if(mwindow->session->drag_assets->total ||
 635                         mwindow->session->drag_clips->total)
 636                 {
 637                         mwindow->save_backup();
 638                         mwindow->restart_brender();
 639                         mwindow->gui->update(1, 1, 1, 1, 0, 1, 0);
 640                         mwindow->undo->update_undo_after(_("insert assets"), LOAD_ALL);
 641                         mwindow->gui->unlock_window();
 642                         mwindow->sync_parameters(LOAD_ALL);
 643                 }
 644         }
 645
 646         if(mwindow->session->current_operation == DRAG_VEFFECT)
 647         {
 648 //printf("CWindowGUI::drag_stop 1\n");
 649                 Track *affected_track = cwindow->calculate_affected_track();
 650 //printf("CWindowGUI::drag_stop 2\n");
 651
 652                 mwindow->gui->lock_window("CWindowGUI::drag_stop 3");
 653                 mwindow->insert_effects_cwindow(affected_track);
 654                 mwindow->session->current_operation = NO_OPERATION;
 655                 mwindow->gui->unlock_window();
 656         }
 657
 658         if(mwindow->session->current_operation == DRAG_VTRANSITION)
 659         {
 660                 Track *affected_track = cwindow->calculate_affected_track();
 661                 mwindow->gui->lock_window("CWindowGUI::drag_stop 4");
 662                 mwindow->paste_transition_cwindow(affected_track);
 663                 mwindow->session->current_operation = NO_OPERATION;
 664                 mwindow->gui->unlock_window();
 665         }
 666
 667         return result;
 668 }
 669
 670 void CWindowGUI::update_meters()
 671 {
 672         if(mwindow->edl->session->cwindow_meter != meters->visible)
 673         {
 674                 meters->set_meters(meters->meter_count, mwindow->edl->session->cwindow_meter);
 675                 mwindow->theme->get_cwindow_sizes(this, mwindow->session->cwindow_controls);
 676                 resize_event(get_w(), get_h());
 677         }
 678 }
 679
 680
 681 CWindowEditing::CWindowEditing(MWindow *mwindow, CWindow *cwindow)
 682  : EditPanel(mwindow,
 683                 cwindow->gui,
 684                 mwindow->theme->cedit_x,
 685                 mwindow->theme->cedit_y,
 686                 mwindow->edl->session->editing_mode,
 687                 0,
 688                 1,
 689                 0,
 690                 0,
 691                 1,
 692                 1,
 693                 1,
 694                 1,
 695                 1,
 696                 0,
 697                 0, // locklabels
 698                 1,
 699                 1,
 700                 1,
 701                 0,
 702                 1,
 703                 0)
 704 {
 705         this->mwindow = mwindow;
 706         this->cwindow = cwindow;
 707 }
 708
 709 #define CWrapper(fn) void CWindowEditing::fn() { \
 710         mwindow->gui->lock_window("CWrapper::" #fn); \
 711         EditPanel::fn(); \
 712         mwindow->gui->unlock_window(); \
 713 }
 714
 715 CWrapper(copy_selection)
 716 CWrapper(splice_selection)
 717 CWrapper(overwrite_selection)
 718 CWrapper(set_inpoint)
 719 CWrapper(set_outpoint)
 720 CWrapper(clear_inpoint)
 721 CWrapper(clear_outpoint)
 722 CWrapper(to_clip)
 723 CWrapper(toggle_label)
 724 CWrapper(prev_label)
 725 CWrapper(next_label)
 726 CWrapper(prev_edit)
 727 CWrapper(next_edit)
 728
 729
 730
 731 CWindowMeters::CWindowMeters(MWindow *mwindow,
 732         CWindowGUI *gui,
 733         int x,
 734         int y,
 735         int h)
 736  : MeterPanel(mwindow,
 737                 gui,
 738                 x,
 739                 y,
 740                 -1,
 741                 h,
 742                 mwindow->edl->session->audio_channels,
 743                 mwindow->edl->session->cwindow_meter,
 744                 0,
 745                 0)
 746 {
 747         this->mwindow = mwindow;
 748         this->gui = gui;
 749 }
 750
 751 CWindowMeters::~CWindowMeters()
 752 {
 753 }
 754
 755 int CWindowMeters::change_status_event(int new_status)
 756 {
 757         mwindow->edl->session->cwindow_meter = new_status;
 758         gui->update_meters();
 759         return 1;
 760 }
 761
 762
 763
 764
 765 CWindowZoom::CWindowZoom(MWindow *mwindow, CWindowGUI *gui, int x, int y, int w)
 766  : ZoomPanel(mwindow,
 767         gui,
 768         (double)mwindow->edl->session->cwindow_zoom,
 769         x,
 770         y,
 771         w,
 772         my_zoom_table,
 773         total_zooms,
 774         ZOOM_PERCENTAGE)
 775 {
 776         this->mwindow = mwindow;
 777         this->gui = gui;
 778 }
 779
 780 CWindowZoom::~CWindowZoom()
 781 {
 782 }
 783
 784 int CWindowZoom::handle_event()
 785 {
 786         if(!strcasecmp(gui->auto_zoom, get_text()))
 787         {
 788                 gui->zoom_canvas(1, get_value(), 0);
 789         }
 790         else
 791         {
 792                 gui->zoom_canvas(0, get_value(), 0);
 793         }
 794
 795         return 1;
 796 }
 797
 798
 799
 800 #ifdef USE_SLIDER
 801 CWindowSlider::CWindowSlider(MWindow *mwindow, CWindow *cwindow, int x, int y, int pixels)
 802  : BC_PercentageSlider(x,
 803                         y,
 804                         0,
 805                         pixels,
 806                         pixels,
 807                         0,
 808                         1,
 809                         0)
 810 {
 811         this->mwindow = mwindow;
 812         this->cwindow = cwindow;
 813         set_precision(0.00001);
 814 }
 815
 816 CWindowSlider::~CWindowSlider()
 817 {
 818 }
 819
 820 int CWindowSlider::handle_event()
 821 {
 822         cwindow->update_position((double)get_value());
 823         return 1;
 824 }
 825
 826 void CWindowSlider::set_position()
 827 {
 828         double new_length = mwindow->edl->tracks->total_playable_length();
 829 //      if(mwindow->edl->local_session->preview_end <= 0 ||
 830 //              mwindow->edl->local_session->preview_end > new_length)
 831 //              mwindow->edl->local_session->preview_end = new_length;
 832 //      if(mwindow->edl->local_session->preview_start >
 833 //              mwindow->edl->local_session->preview_end)
 834 //              mwindow->edl->local_session->preview_start = 0;
 835
 836
 837         update(mwindow->theme->cslider_w,
 838                 mwindow->edl->local_session->get_selectionstart(1),
 839                 0,
 840                 new_length);
 841 //              mwindow->edl->local_session->preview_start,
 842 //              mwindow->edl->local_session->preview_end);
 843 }
 844
 845
 846 int CWindowSlider::increase_value()
 847 {
 848         unlock_window();
 849         cwindow->gui->transport->handle_transport(SINGLE_FRAME_FWD);
 850         lock_window("CWindowSlider::increase_value");
 851         return 1;
 852 }
 853
 854 int CWindowSlider::decrease_value()
 855 {
 856         unlock_window();
 857         cwindow->gui->transport->handle_transport(SINGLE_FRAME_REWIND);
 858         lock_window("CWindowSlider::decrease_value");
 859         return 1;
 860 }
 861
 862
 863 // CWindowDestination::CWindowDestination(MWindow *mwindow, CWindowGUI *cwindow, int x, int y)
 864 //  : BC_PopupTextBox(cwindow,
 865 //      &cwindow->destinations,
 866 //      cwindow->destinations.values[cwindow->cwindow->destination]->get_text(),
 867 //      x,
 868 //      y,
 869 //      70,
 870 //      200)
 871 // {
 872 //      this->mwindow = mwindow;
 873 //      this->cwindow = cwindow;
 874 // }
 875 //
 876 // CWindowDestination::~CWindowDestination()
 877 // {
 878 // }
 879 //
 880 // int CWindowDestination::handle_event()
 881 // {
 882 //      return 1;
 883 // }
 884 #endif // USE_SLIDER
 885
 886
 887
 888
 889
 890
 891 CWindowTransport::CWindowTransport(MWindow *mwindow,
 892         CWindowGUI *gui,
 893         int x,
 894         int y)
 895  : PlayTransport(mwindow,
 896         gui,
 897         x,
 898         y)
 899 {
 900         this->gui = gui;
 901 }
 902
 903 EDL* CWindowTransport::get_edl()
 904 {
 905         return mwindow->edl;
 906 }
 907
 908 void CWindowTransport::goto_start()
 909 {
 910         gui->unlock_window();
 911         handle_transport(REWIND, 1);
 912
 913         mwindow->gui->lock_window("CWindowTransport::goto_start 1");
 914         mwindow->goto_start();
 915         mwindow->gui->unlock_window();
 916
 917         gui->lock_window("CWindowTransport::goto_start 2");
 918 }
 919
 920 void CWindowTransport::goto_end()
 921 {
 922         gui->unlock_window();
 923         handle_transport(GOTO_END, 1);
 924
 925         mwindow->gui->lock_window("CWindowTransport::goto_end 1");
 926         mwindow->goto_end();
 927         mwindow->gui->unlock_window();
 928
 929         gui->lock_window("CWindowTransport::goto_end 2");
 930 }
 931
 932
 933
 934 CWindowCanvas::CWindowCanvas(MWindow *mwindow, CWindowGUI *gui)
 935  : Canvas(mwindow,
 936         gui,
 937         mwindow->theme->ccanvas_x,
 938         mwindow->theme->ccanvas_y,
 939         mwindow->theme->ccanvas_w,
 940         mwindow->theme->ccanvas_h,
 941         0,
 942         0,
 943         mwindow->edl->session->cwindow_scrollbars)
 944 {
 945         this->mwindow = mwindow;
 946         this->gui = gui;
 947 }
 948
 949 void CWindowCanvas::status_event()
 950 {
 951         gui->draw_status(1);
 952 }
 953
 954 int CWindowCanvas::get_fullscreen()
 955 {
 956         return mwindow->session->cwindow_fullscreen;
 957 }
 958
 959 void CWindowCanvas::set_fullscreen(int value)
 960 {
 961         mwindow->session->cwindow_fullscreen = value;
 962 }
 963
 964
 965 void CWindowCanvas::update_zoom(int x, int y, float zoom)
 966 {
 967         use_scrollbars = mwindow->edl->session->cwindow_scrollbars;
 968
 969         mwindow->edl->session->cwindow_xscroll = x;
 970         mwindow->edl->session->cwindow_yscroll = y;
 971         mwindow->edl->session->cwindow_zoom = zoom;
 972 }
 973
 974 void CWindowCanvas::zoom_auto()
 975 {
 976         gui->zoom_canvas(1, 1.0, 1);
 977 }
 978
 979 int CWindowCanvas::get_xscroll()
 980 {
 981         return mwindow->edl->session->cwindow_xscroll;
 982 }
 983
 984 int CWindowCanvas::get_yscroll()
 985 {
 986         return mwindow->edl->session->cwindow_yscroll;
 987 }
 988
 989
 990 float CWindowCanvas::get_zoom()
 991 {
 992         return mwindow->edl->session->cwindow_zoom;
 993 }
 994
 995 void CWindowCanvas::draw_refresh(int flush)
 996 {
 997         if(get_canvas() && !get_canvas()->get_video_on())
 998         {
 999
1000                 if(refresh_frame && refresh_frame->get_w()>0 && refresh_frame->get_h()>0)
1001                 {
1002                         float in_x1, in_y1, in_x2, in_y2;
1003                         float out_x1, out_y1, out_x2, out_y2;
1004                         get_transfers(mwindow->edl,
1005                                 in_x1,
1006                                 in_y1,
1007                                 in_x2,
1008                                 in_y2,
1009                                 out_x1,
1010                                 out_y1,
1011                                 out_x2,
1012                                 out_y2);
1013
1014                         if(!EQUIV(out_x1, 0) ||
1015                                 !EQUIV(out_y1, 0) ||
1016                                 !EQUIV(out_x2, get_canvas()->get_w()) ||
1017                                 !EQUIV(out_y2, get_canvas()->get_h()))
1018                         {
1019                                 get_canvas()->clear_box(0,
1020                                         0,
1021                                         get_canvas()->get_w(),
1022                                         get_canvas()->get_h());
1023                         }
1024
1025 //printf("CWindowCanvas::draw_refresh %.2f %.2f %.2f %.2f -> %.2f %.2f %.2f %.2f\n",
1026 //in_x1, in_y1, in_x2, in_y2, out_x1, out_y1, out_x2, out_y2);
1027
1028
1029                         if(out_x2 > out_x1 &&
1030                                 out_y2 > out_y1 &&
1031                                 in_x2 > in_x1 &&
1032                                 in_y2 > in_y1)
1033                         {
1034 // Can't use OpenGL here because it is called asynchronously of the
1035 // playback operation.
1036                                 get_canvas()->draw_vframe(refresh_frame,
1037                                                 (int)out_x1,
1038                                                 (int)out_y1,
1039                                                 (int)(out_x2 - out_x1),
1040                                                 (int)(out_y2 - out_y1),
1041                                                 (int)in_x1,
1042                                                 (int)in_y1,
1043                                                 (int)(in_x2 - in_x1),
1044                                                 (int)(in_y2 - in_y1),
1045                                                 0);
1046                         }
1047                 }
1048                 else
1049                 {
1050                         get_canvas()->clear_box(0,
1051                                 0,
1052                                 get_canvas()->get_w(),
1053                                 get_canvas()->get_h());
1054                 }
1055
1056                 draw_overlays();
1057                 get_canvas()->flash(flush);
1058         }
1059 //printf("CWindowCanvas::draw_refresh 10\n");
1060 }
1061
1062 #define CROPHANDLE_W 10
1063 #define CROPHANDLE_H 10
1064
1065 void CWindowCanvas::draw_crophandle(int x, int y)
1066 {
1067         get_canvas()->draw_box(x, y, CROPHANDLE_W, CROPHANDLE_H);
1068 }
1069
1070
1071
1072
1073
1074
1075 #define CONTROL_W 10
1076 #define CONTROL_H 10
1077 #define FIRST_CONTROL_W 20
1078 #define FIRST_CONTROL_H 20
1079 #undef BC_INFINITY
1080 #define BC_INFINITY 65536
1081
1082 #define RULERHANDLE_W 16
1083 #define RULERHANDLE_H 16
1084
1085
1086
1087 int CWindowCanvas::do_ruler(int draw,
1088         int motion,
1089         int button_press,
1090         int button_release)
1091 {
1092         int result = 0;
1093         float x1 = mwindow->edl->session->ruler_x1;
1094         float y1 = mwindow->edl->session->ruler_y1;
1095         float x2 = mwindow->edl->session->ruler_x2;
1096         float y2 = mwindow->edl->session->ruler_y2;
1097         float canvas_x1 = x1;
1098         float canvas_y1 = y1;
1099         float canvas_x2 = x2;
1100         float canvas_y2 = y2;
1101         float output_x = get_cursor_x();
1102         float output_y = get_cursor_y();
1103         float canvas_cursor_x = output_x;
1104         float canvas_cursor_y = output_y;
1105
1106         canvas_to_output(mwindow->edl, 0, output_x, output_y);
1107         output_to_canvas(mwindow->edl, 0, canvas_x1, canvas_y1);
1108         output_to_canvas(mwindow->edl, 0, canvas_x2, canvas_y2);
1109         mwindow->session->cwindow_output_x = roundf(output_x);
1110         mwindow->session->cwindow_output_y = roundf(output_y);
1111
1112         if(button_press && get_buttonpress() == 1)
1113         {
1114                 gui->ruler_handle = -1;
1115                 gui->ruler_translate = 0;
1116                 if(gui->alt_down())
1117                 {
1118                         gui->ruler_translate = 1;
1119                         gui->ruler_origin_x = x1;
1120                         gui->ruler_origin_y = y1;
1121                 }
1122                 else
1123                 if(canvas_cursor_x >= canvas_x1 - RULERHANDLE_W / 2 &&
1124                         canvas_cursor_x < canvas_x1 + RULERHANDLE_W / 2 &&
1125                         canvas_cursor_y >= canvas_y1 - RULERHANDLE_W &&
1126                         canvas_cursor_y < canvas_y1 + RULERHANDLE_H / 2)
1127                 {
1128                         gui->ruler_handle = 0;
1129                         gui->ruler_origin_x = x1;
1130                         gui->ruler_origin_y = y1;
1131                 }
1132                 else
1133                 if(canvas_cursor_x >= canvas_x2 - RULERHANDLE_W / 2 &&
1134                         canvas_cursor_x < canvas_x2 + RULERHANDLE_W / 2 &&
1135                         canvas_cursor_y >= canvas_y2 - RULERHANDLE_W &&
1136                         canvas_cursor_y < canvas_y2 + RULERHANDLE_H / 2)
1137                 {
1138                         gui->ruler_handle = 1;
1139                         gui->ruler_origin_x = x2;
1140                         gui->ruler_origin_y = y2;
1141                 }
1142
1143
1144 // Start new selection
1145                 if(!gui->ruler_translate &&
1146                         (gui->ruler_handle < 0 ||
1147                         (EQUIV(x2, x1) &&
1148                         EQUIV(y2, y1))))
1149                 {
1150 // Hide previous
1151                         do_ruler(1, 0, 0, 0);
1152                         get_canvas()->flash();
1153                         gui->ruler_handle = 1;
1154                         mwindow->edl->session->ruler_x1 = output_x;
1155                         mwindow->edl->session->ruler_y1 = output_y;
1156                         mwindow->edl->session->ruler_x2 = output_x;
1157                         mwindow->edl->session->ruler_y2 = output_y;
1158                         gui->ruler_origin_x = mwindow->edl->session->ruler_x2;
1159                         gui->ruler_origin_y = mwindow->edl->session->ruler_y2;
1160                 }
1161
1162                 gui->x_origin = output_x;
1163                 gui->y_origin = output_y;
1164                 gui->current_operation = CWINDOW_RULER;
1165                 gui->tool_panel->raise_window();
1166                 result = 1;
1167         }
1168
1169         if(motion)
1170         {
1171                 if(gui->current_operation == CWINDOW_RULER)
1172                 {
1173                         if(gui->ruler_translate)
1174                         {
1175 // Hide ruler
1176                                 do_ruler(1, 0, 0, 0);
1177                                 float x_difference = mwindow->edl->session->ruler_x1;
1178                                 float y_difference = mwindow->edl->session->ruler_y1;
1179                                 mwindow->edl->session->ruler_x1 = output_x - gui->x_origin + gui->ruler_origin_x;
1180                                 mwindow->edl->session->ruler_y1 = output_y - gui->y_origin + gui->ruler_origin_y;
1181                                 x_difference -= mwindow->edl->session->ruler_x1;
1182                                 y_difference -= mwindow->edl->session->ruler_y1;
1183                                 mwindow->edl->session->ruler_x2 -= x_difference;
1184                                 mwindow->edl->session->ruler_y2 -= y_difference;
1185 // Show ruler
1186                                 do_ruler(1, 0, 0, 0);
1187                                 get_canvas()->flash();
1188                                 gui->update_tool();
1189                         }
1190                         else
1191                         switch(gui->ruler_handle)
1192                         {
1193                                 case 0:
1194                                         do_ruler(1, 0, 0, 0);
1195                                         mwindow->edl->session->ruler_x1 = output_x - gui->x_origin + gui->ruler_origin_x;
1196                                         mwindow->edl->session->ruler_y1 = output_y - gui->y_origin + gui->ruler_origin_y;
1197                                         if(gui->alt_down() || gui->ctrl_down())
1198                                         {
1199                                                 double angle_value = fabs(atan((mwindow->edl->session->ruler_y2 - mwindow->edl->session->ruler_y1) /
1200                                                         (mwindow->edl->session->ruler_x2 - mwindow->edl->session->ruler_x1)) *
1201                                                         360 /
1202                                                         2 /
1203                                                         M_PI);
1204                                                 double distance_value =
1205                                                         sqrt(SQR(mwindow->edl->session->ruler_x2 - mwindow->edl->session->ruler_x1) +
1206                                                         SQR(mwindow->edl->session->ruler_y2 - mwindow->edl->session->ruler_y1));
1207                                                 if(angle_value < 22)
1208                                                         mwindow->edl->session->ruler_y1 = mwindow->edl->session->ruler_y2;
1209                                                 else
1210                                                 if(angle_value > 67)
1211                                                         mwindow->edl->session->ruler_x1 = mwindow->edl->session->ruler_x2;
1212                                                 else
1213                                                 if(mwindow->edl->session->ruler_x1 < mwindow->edl->session->ruler_x2 &&
1214                                                         mwindow->edl->session->ruler_y1 < mwindow->edl->session->ruler_y2)
1215                                                 {
1216                                                         mwindow->edl->session->ruler_x1 = mwindow->edl->session->ruler_x2 - distance_value / 1.414214;
1217                                                         mwindow->edl->session->ruler_y1 = mwindow->edl->session->ruler_y2 - distance_value / 1.414214;
1218                                                 }
1219                                                 else
1220                                                 if(mwindow->edl->session->ruler_x1 < mwindow->edl->session->ruler_x2 && mwindow->edl->session->ruler_y1 > mwindow->edl->session->ruler_y2)
1221                                                 {
1222                                                         mwindow->edl->session->ruler_x1 = mwindow->edl->session->ruler_x2 - distance_value / 1.414214;
1223                                                         mwindow->edl->session->ruler_y1 = mwindow->edl->session->ruler_y2 + distance_value / 1.414214;
1224                                                 }
1225                                                 else
1226                                                 if(mwindow->edl->session->ruler_x1 > mwindow->edl->session->ruler_x2 &&
1227                                                         mwindow->edl->session->ruler_y1 < mwindow->edl->session->ruler_y2)
1228                                                 {
1229                                                         mwindow->edl->session->ruler_x1 = mwindow->edl->session->ruler_x2 + distance_value / 1.414214;
1230                                                         mwindow->edl->session->ruler_y1 = mwindow->edl->session->ruler_y2 - distance_value / 1.414214;
1231                                                 }
1232                                                 else
1233                                                 {
1234                                                         mwindow->edl->session->ruler_x1 = mwindow->edl->session->ruler_x2 + distance_value / 1.414214;
1235                                                         mwindow->edl->session->ruler_y1 = mwindow->edl->session->ruler_y2 + distance_value / 1.414214;
1236                                                 }
1237                                         }
1238                                         do_ruler(1, 0, 0, 0);
1239                                         get_canvas()->flash();
1240                                         gui->update_tool();
1241                                         break;
1242
1243                                 case 1:
1244                                         do_ruler(1, 0, 0, 0);
1245                                         mwindow->edl->session->ruler_x2 = output_x - gui->x_origin + gui->ruler_origin_x;
1246                                         mwindow->edl->session->ruler_y2 = output_y - gui->y_origin + gui->ruler_origin_y;
1247                                         if(gui->alt_down() || gui->ctrl_down())
1248                                         {
1249                                                 double angle_value = fabs(atan((mwindow->edl->session->ruler_y2 - mwindow->edl->session->ruler_y1) /
1250                                                         (mwindow->edl->session->ruler_x2 - mwindow->edl->session->ruler_x1)) *
1251                                                         360 /
1252                                                         2 /
1253                                                         M_PI);
1254                                                 double distance_value =
1255                                                         sqrt(SQR(mwindow->edl->session->ruler_x2 - mwindow->edl->session->ruler_x1) +
1256                                                         SQR(mwindow->edl->session->ruler_y2 - mwindow->edl->session->ruler_y1));
1257                                                 if(angle_value < 22)
1258                                                         mwindow->edl->session->ruler_y2 = mwindow->edl->session->ruler_y1;
1259                                                 else
1260                                                 if(angle_value > 67)
1261                                                         mwindow->edl->session->ruler_x2 = mwindow->edl->session->ruler_x1;
1262                                                 else
1263                                                 if(mwindow->edl->session->ruler_x2 < mwindow->edl->session->ruler_x1 &&
1264                                                         mwindow->edl->session->ruler_y2 < mwindow->edl->session->ruler_y1)
1265                                                 {
1266                                                         mwindow->edl->session->ruler_x2 = mwindow->edl->session->ruler_x1 - distance_value / 1.414214;
1267                                                         mwindow->edl->session->ruler_y2 = mwindow->edl->session->ruler_y1 - distance_value / 1.414214;
1268                                                 }
1269                                                 else
1270                                                 if(mwindow->edl->session->ruler_x2 < mwindow->edl->session->ruler_x1 &&
1271                                                         mwindow->edl->session->ruler_y2 > mwindow->edl->session->ruler_y1)
1272                                                 {
1273                                                         mwindow->edl->session->ruler_x2 = mwindow->edl->session->ruler_x1 - distance_value / 1.414214;
1274                                                         mwindow->edl->session->ruler_y2 = mwindow->edl->session->ruler_y1 + distance_value / 1.414214;
1275                                                 }
1276                                                 else
1277                                                 if(mwindow->edl->session->ruler_x2 > mwindow->edl->session->ruler_x1 && mwindow->edl->session->ruler_y2 < mwindow->edl->session->ruler_y1)
1278                                                 {
1279                                                         mwindow->edl->session->ruler_x2 = mwindow->edl->session->ruler_x1 + distance_value / 1.414214;
1280                                                         mwindow->edl->session->ruler_y2 = mwindow->edl->session->ruler_y1 - distance_value / 1.414214;
1281                                                 }
1282                                                 else
1283                                                 {
1284                                                         mwindow->edl->session->ruler_x2 = mwindow->edl->session->ruler_x1 + distance_value / 1.414214;
1285                                                         mwindow->edl->session->ruler_y2 = mwindow->edl->session->ruler_y1 + distance_value / 1.414214;
1286                                                 }
1287                                         }
1288                                         do_ruler(1, 0, 0, 0);
1289                                         get_canvas()->flash();
1290                                         gui->update_tool();
1291                                         break;
1292                         }
1293 //printf("CWindowCanvas::do_ruler 2 %f %f %f %f\n", gui->ruler_x1, gui->ruler_y1, gui->ruler_x2, gui->ruler_y2);
1294                 }
1295                 else
1296                 {
1297 // printf("CWindowCanvas::do_ruler 2 %f %f %f %f\n",
1298 // canvas_cursor_x,
1299 // canvas_cursor_y,
1300 // canvas_x1,
1301 // canvas_y1);
1302                         if(canvas_cursor_x >= canvas_x1 - RULERHANDLE_W / 2 &&
1303                                 canvas_cursor_x < canvas_x1 + RULERHANDLE_W / 2 &&
1304                                 canvas_cursor_y >= canvas_y1 - RULERHANDLE_W &&
1305                                 canvas_cursor_y < canvas_y1 + RULERHANDLE_H / 2)
1306                         {
1307                                 set_cursor(UPRIGHT_ARROW_CURSOR);
1308                         }
1309                         else
1310                         if(canvas_cursor_x >= canvas_x2 - RULERHANDLE_W / 2 &&
1311                                 canvas_cursor_x < canvas_x2 + RULERHANDLE_W / 2 &&
1312                                 canvas_cursor_y >= canvas_y2 - RULERHANDLE_W &&
1313                                 canvas_cursor_y < canvas_y2 + RULERHANDLE_H / 2)
1314                         {
1315                                 set_cursor(UPRIGHT_ARROW_CURSOR);
1316                         }
1317                         else
1318                                 set_cursor(CROSS_CURSOR);
1319
1320 // Update current position
1321                         gui->update_tool();
1322                 }
1323         }
1324
1325 // Assume no ruler measurement if 0 length
1326         if(draw && (!EQUIV(x2, x1) || !EQUIV(y2, y1)))
1327         {
1328                 get_canvas()->set_inverse();
1329                 get_canvas()->set_color(WHITE);
1330                 get_canvas()->draw_line((int)canvas_x1,
1331                         (int)canvas_y1,
1332                         (int)canvas_x2,
1333                         (int)canvas_y2);
1334                 get_canvas()->draw_line(roundf(canvas_x1) - RULERHANDLE_W / 2,
1335                         roundf(canvas_y1),
1336                         roundf(canvas_x1) + RULERHANDLE_W / 2,
1337                         roundf(canvas_y1));
1338                 get_canvas()->draw_line(roundf(canvas_x1),
1339                         roundf(canvas_y1) - RULERHANDLE_H / 2,
1340                         roundf(canvas_x1),
1341                         roundf(canvas_y1) + RULERHANDLE_H / 2);
1342                 get_canvas()->draw_line(roundf(canvas_x2) - RULERHANDLE_W / 2,
1343                         roundf(canvas_y2),
1344                         roundf(canvas_x2) + RULERHANDLE_W / 2,
1345                         roundf(canvas_y2));
1346                 get_canvas()->draw_line(roundf(canvas_x2),
1347                         roundf(canvas_y2) - RULERHANDLE_H / 2,
1348                         roundf(canvas_x2),
1349                         roundf(canvas_y2) + RULERHANDLE_H / 2);
1350                 get_canvas()->set_opaque();
1351         }
1352
1353         return result;
1354 }
1355
1356
1357 static inline double line_dist(float cx,float cy, float tx,float ty)
1358 {
1359         double dx = tx-cx, dy = ty-cy;
1360         return sqrt(dx*dx + dy*dy);
1361 }
1362
1363 static inline bool test_bbox(int cx, int cy, int tx, int ty)
1364 {
1365 //      printf("test_bbox %d,%d - %d,%d = %f\n",cx,cy,tx,ty,line_dist(cx,cy,tx,ty));
1366         return (llabs(cx-tx) < CONTROL_W/2 && llabs(cy-ty) < CONTROL_H/2);
1367 }
1368
1369
1370 int CWindowCanvas::do_mask(int &redraw, int &rerender,
1371                 int button_press, int cursor_motion, int draw)
1372 {
1373 // Retrieve points from top recordable track
1374 //printf("CWindowCanvas::do_mask 1\n");
1375         Track *track = gui->cwindow->calculate_affected_track();
1376 //printf("CWindowCanvas::do_mask 2\n");
1377
1378         if(!track) return 0;
1379 //printf("CWindowCanvas::do_mask 3\n");
1380
1381         MaskAutos *mask_autos = (MaskAutos*)track->automation->autos[AUTOMATION_MASK];
1382         int64_t position = track->to_units(
1383                 mwindow->edl->local_session->get_selectionstart(1),
1384                 0);
1385         ArrayList<MaskPoint*> points;
1386
1387 // Determine the points based on whether
1388 // new keyframes will be generated or drawing is performed.
1389 // If keyframe generation occurs, use the interpolated mask.
1390 // If no keyframe generation occurs, use the previous mask.
1391         int use_interpolated = 0;
1392         if(button_press || cursor_motion) {
1393 #ifdef USE_KEYFRAME_SPANNING
1394                 double selection_start = mwindow->edl->local_session->get_selectionstart(0);
1395                 double selection_end = mwindow->edl->local_session->get_selectionend(0);
1396
1397                 Auto *first = 0;
1398                 mask_autos->get_prev_auto(track->to_units(selection_start, 0),
1399                         PLAY_FORWARD, first, 1);
1400                 Auto *last = 0;
1401                 mask_autos->get_prev_auto(track->to_units(selection_end, 0),
1402                         PLAY_FORWARD, last, 1);
1403
1404                 if(last == first && (!mwindow->edl->session->auto_keyframes))
1405                         use_interpolated = 0;
1406                 else
1407 // If keyframe spanning occurs, use the interpolated points.
1408 // If new keyframe is generated, use the interpolated points.
1409                         use_interpolated = 1;
1410
1411 #else
1412                 if(mwindow->edl->session->auto_keyframes)
1413                         use_interpolated = 1;
1414 #endif
1415         }
1416         else
1417                 use_interpolated = 1;
1418
1419         if(use_interpolated) {
1420 // Interpolate the points to get exactly what is being rendered at this position.
1421                 mask_autos->get_points(&points,
1422                         mwindow->edl->session->cwindow_mask,
1423                         position,
1424                         PLAY_FORWARD);
1425         }
1426         else {
1427 // Use the prev mask
1428                 Auto *prev = 0;
1429                 mask_autos->get_prev_auto(position,
1430                         PLAY_FORWARD,
1431                         prev,
1432                         1);
1433                 ((MaskAuto*)prev)->get_points(&points,
1434                         mwindow->edl->session->cwindow_mask);
1435         }
1436
1437 // Projector zooms relative to the center of the track output.
1438         float half_track_w = (float)track->track_w / 2;
1439         float half_track_h = (float)track->track_h / 2;
1440 // Translate mask to projection
1441         float projector_x, projector_y, projector_z;
1442         track->automation->get_projector(
1443                 &projector_x, &projector_y, &projector_z,
1444                 position, PLAY_FORWARD);
1445
1446
1447 // Get position of cursor relative to mask
1448         float cursor_x = get_cursor_x(), cursor_y = get_cursor_y();
1449         float mask_cursor_x = cursor_x, mask_cursor_y = cursor_y;
1450         canvas_to_output(mwindow->edl, 0, mask_cursor_x, mask_cursor_y);
1451
1452         projector_x += mwindow->edl->session->output_w / 2;
1453         projector_y += mwindow->edl->session->output_h / 2;
1454         mask_cursor_x = (mask_cursor_x - projector_x) / projector_z + half_track_w;
1455         mask_cursor_y = (mask_cursor_y - projector_y) / projector_z + half_track_h;
1456
1457 // Fix cursor origin
1458         if(button_press) {
1459                 gui->x_origin = mask_cursor_x;
1460                 gui->y_origin = mask_cursor_y;
1461         }
1462
1463         int result = 0;
1464 // Points of closest line
1465         int shortest_point1 = -1;
1466         int shortest_point2 = -1;
1467 // Closest point
1468         int shortest_point = -1;
1469 // Distance to closest line
1470         float shortest_line_distance = BC_INFINITY;
1471 // Distance to closest point
1472         float shortest_point_distance = BC_INFINITY;
1473         int selected_point = -1;
1474         int selected_control_point = -1;
1475         float selected_control_point_distance = BC_INFINITY;
1476         ArrayList<int> x_points;
1477         ArrayList<int> y_points;
1478
1479         if(!cursor_motion) {
1480                 if(draw) {
1481                         get_canvas()->set_color(WHITE);
1482                         get_canvas()->set_inverse();
1483                 }
1484 //printf("CWindowCanvas::do_mask 1 %d\n", points.size());
1485
1486 // Never draw closed polygon and a closed
1487 // polygon is harder to add points to.
1488                 for(int i = 0; i < points.size() && !result; i++) {
1489                         MaskPoint *point1 = points.get(i);
1490                         MaskPoint *point2 = (i >= points.size() - 1) ?
1491                                 points.get(0) : points.get(i + 1);
1492                         if(button_press) {
1493                                 float point_distance1 = line_dist(point1->x,point1->y, mask_cursor_x,mask_cursor_y);
1494                                 if(point_distance1 < shortest_point_distance || shortest_point < 0) {
1495                                         shortest_point_distance = point_distance1;
1496                                         shortest_point = i;
1497                                 }
1498
1499                                 float point_distance2 = line_dist(point2->x,point2->y, mask_cursor_x,mask_cursor_y);
1500                                 if(point_distance2 < shortest_point_distance || shortest_point < 0) {
1501                                         shortest_point_distance = point_distance2;
1502                                         shortest_point = (i >= points.size() - 1) ? 0 : (i + 1);
1503                                 }
1504                         }
1505
1506                         int segments = 1 + line_dist(point1->x,point1->y, point2->x,point2->y);
1507
1508 //printf("CWindowCanvas::do_mask 1 %f, %f -> %f, %f projectorz=%f\n",
1509 //point1->x, point1->y, point2->x, point2->y, projector_z);
1510                         for(int j = 0; j <= segments && !result; j++) {
1511 //printf("CWindowCanvas::do_mask 1 %f, %f -> %f, %f\n", x0, y0, x3, y3);
1512                                 float x0 = point1->x, y0 = point1->y;
1513                                 float x1 = point1->x + point1->control_x2;
1514                                 float y1 = point1->y + point1->control_y2;
1515                                 float x2 = point2->x + point2->control_x1;
1516                                 float y2 = point2->y + point2->control_y1;
1517                                 float x3 = point2->x, y3 = point2->y;
1518                                 float canvas_x0 = (x0 - half_track_w) * projector_z + projector_x;
1519                                 float canvas_y0 = (y0 - half_track_h) * projector_z + projector_y;
1520                                 float canvas_x1 = (x1 - half_track_w) * projector_z + projector_x;
1521                                 float canvas_y1 = (y1 - half_track_h) * projector_z + projector_y;
1522                                 float canvas_x2 = (x2 - half_track_w) * projector_z + projector_x;
1523                                 float canvas_y2 = (y2 - half_track_h) * projector_z + projector_y;
1524                                 float canvas_x3 = (x3 - half_track_w) * projector_z + projector_x;
1525                                 float canvas_y3 = (y3 - half_track_h) * projector_z + projector_y;
1526
1527                                 float t = (float)j / segments;
1528                                 float tpow2 = t * t;
1529                                 float tpow3 = t * t * t;
1530                                 float invt = 1 - t;
1531                                 float invtpow2 = invt * invt;
1532                                 float invtpow3 = invt * invt * invt;
1533
1534                                 float x = (           invtpow3 * x0
1535                                         + 3 * t     * invtpow2 * x1
1536                                         + 3 * tpow2 * invt     * x2
1537                                         +     tpow3            * x3);
1538                                 float y = (           invtpow3 * y0
1539                                         + 3 * t     * invtpow2 * y1
1540                                         + 3 * tpow2 * invt     * y2
1541                                         +     tpow3            * y3);
1542                                 float canvas_x = (x - half_track_w) * projector_z + projector_x;
1543                                 float canvas_y = (y - half_track_h) * projector_z + projector_y;
1544 // Test new point addition
1545                                 if(button_press) {
1546                                         float line_distance = line_dist(x,y, mask_cursor_x,mask_cursor_y);
1547
1548 //printf("CWindowCanvas::do_mask 1 x=%f cursor_x=%f y=%f cursor_y=%f %f %f %d, %d\n",
1549 //  x, cursor_x, y, cursor_y, line_distance, shortest_line_distance, shortest_point1, shortest_point2);
1550                                         if(line_distance < shortest_line_distance ||
1551                                                 shortest_point1 < 0) {
1552                                                 shortest_line_distance = line_distance;
1553                                                 shortest_point1 = i;
1554                                                 shortest_point2 = (i >= points.size() - 1) ? 0 : (i + 1);
1555 //printf("CWindowCanvas::do_mask 2 %f %f %d, %d\n",
1556 //  line_distance, shortest_line_distance, shortest_point1, shortest_point2);
1557                                         }
1558
1559 // Test existing point selection
1560 // Test first point
1561                                         if(gui->ctrl_down()) {
1562                                                 float distance = line_dist(x1,y1, mask_cursor_x,mask_cursor_y);
1563
1564                                                 if(distance < selected_control_point_distance) {
1565                                                         selected_point = i;
1566                                                         selected_control_point = 1;
1567                                                         selected_control_point_distance = distance;
1568                                                 }
1569                                         }
1570                                         else {
1571                                                 if(!gui->shift_down()) {
1572                                                         output_to_canvas(mwindow->edl, 0, canvas_x0, canvas_y0);
1573                                                         if(test_bbox(cursor_x, cursor_y, canvas_x0, canvas_y0)) {
1574                                                                 selected_point = i;
1575                                                         }
1576                                                 }
1577                                                 else {
1578                                                         selected_point = shortest_point;
1579                                                 }
1580                                         }
1581 // Test second point
1582                                         if(gui->ctrl_down()) {
1583                                                 float distance = line_dist(x2,y2, mask_cursor_x,mask_cursor_y);
1584
1585 //printf("CWindowCanvas::do_mask %d %f %f\n", i, distance, selected_control_point_distance);
1586                                                 if(distance < selected_control_point_distance) {
1587                                                         selected_point = (i < points.size() - 1 ? i + 1 : 0);
1588                                                         selected_control_point = 0;
1589                                                         selected_control_point_distance = distance;
1590                                                 }
1591                                         }
1592                                         else if(i < points.size() - 1) {
1593                                                 if(!gui->shift_down()) {
1594                                                         output_to_canvas(mwindow->edl, 0, canvas_x3, canvas_y3);
1595                                                         if(test_bbox(cursor_x, cursor_y, canvas_x3, canvas_y3)) {
1596                                                                 selected_point = (i < points.size() - 1 ? i + 1 : 0);
1597                                                         }
1598                                                 }
1599                                                 else {
1600                                                         selected_point = shortest_point;
1601                                                 }
1602                                         }
1603                                 }
1604
1605                                 output_to_canvas(mwindow->edl, 0, canvas_x, canvas_y);
1606
1607                                 if(j > 0) {
1608
1609                                         if(draw) { // Draw joining line
1610                                                 x_points.append((int)canvas_x);
1611                                                 y_points.append((int)canvas_y);
1612                                         }
1613
1614                                         if(j == segments) {
1615                                                 if(draw) { // Draw second anchor
1616                                                         if(i < points.size() - 1) {
1617                                                                 if(i == gui->affected_point - 1)
1618                                                                         get_canvas()->draw_disc(
1619                                                                                 (int)canvas_x - CONTROL_W / 2,
1620                                                                                 (int)canvas_y - CONTROL_W / 2,
1621                                                                                 CONTROL_W, CONTROL_H);
1622                                                                 else
1623                                                                         get_canvas()->draw_circle(
1624                                                                                 (int)canvas_x - CONTROL_W / 2,
1625                                                                                 (int)canvas_y - CONTROL_W / 2,
1626                                                                                 CONTROL_W, CONTROL_H);
1627 // char string[BCTEXTLEN];
1628 // sprintf(string, "%d", (i < points.size() - 1 ? i + 1 : 0));
1629 // canvas->draw_text((int)canvas_x + CONTROL_W, (int)canvas_y + CONTROL_W, string);
1630                                                         }
1631 // Draw second control point.
1632                                                         output_to_canvas(mwindow->edl, 0, canvas_x2, canvas_y2);
1633                                                         get_canvas()->draw_line(
1634                                                                 (int)canvas_x, (int)canvas_y,
1635                                                                 (int)canvas_x2, (int)canvas_y2);
1636                                                         get_canvas()->draw_rectangle(
1637                                                                 (int)canvas_x2 - CONTROL_W / 2,
1638                                                                 (int)canvas_y2 - CONTROL_H / 2,
1639                                                                 CONTROL_W, CONTROL_H);
1640                                                 }
1641                                         }
1642                                 }
1643                                 else {
1644 // Draw first anchor
1645                                         if(i == 0 && draw) {
1646                                                 char mask_label[BCSTRLEN];
1647                                                 sprintf(mask_label, "%d",
1648                                                         mwindow->edl->session->cwindow_mask);
1649                                                 get_canvas()->draw_text(
1650                                                         (int)canvas_x - FIRST_CONTROL_W,
1651                                                         (int)canvas_y - FIRST_CONTROL_H,
1652                                                         mask_label);
1653
1654                                                 get_canvas()->draw_disc(
1655                                                         (int)canvas_x - FIRST_CONTROL_W / 2,
1656                                                         (int)canvas_y - FIRST_CONTROL_H / 2,
1657                                                         FIRST_CONTROL_W, FIRST_CONTROL_H);
1658                                         }
1659
1660 // Draw first control point.
1661                                         if(draw) {
1662                                                 output_to_canvas(mwindow->edl, 0, canvas_x1, canvas_y1);
1663                                                 get_canvas()->draw_line(
1664                                                         (int)canvas_x, (int)canvas_y,
1665                                                         (int)canvas_x1, (int)canvas_y1);
1666                                                 get_canvas()->draw_rectangle(
1667                                                         (int)canvas_x1 - CONTROL_W / 2,
1668                                                         (int)canvas_y1 - CONTROL_H / 2,
1669                                                         CONTROL_W, CONTROL_H);
1670
1671                                                 x_points.append((int)canvas_x);
1672                                                 y_points.append((int)canvas_y);
1673                                         }
1674                                 }
1675 //printf("CWindowCanvas::do_mask 1\n");
1676
1677                         }
1678                 }
1679 //printf("CWindowCanvas::do_mask 1\n");
1680
1681                 if(draw) {
1682                         get_canvas()->draw_polygon(&x_points, &y_points);
1683                         get_canvas()->set_opaque();
1684                 }
1685 //printf("CWindowCanvas::do_mask 1\n");
1686         }
1687
1688         if(button_press && !result) {
1689                 gui->affected_track = gui->cwindow->calculate_affected_track();
1690
1691 // Get keyframe outside the EDL to edit.  This must be rendered
1692 // instead of the EDL keyframes when it exists.  Then it must be
1693 // applied to the EDL keyframes on buttonrelease.
1694                 if(gui->affected_track) {
1695 #ifdef USE_KEYFRAME_SPANNING
1696 // Make copy of current parameters in local keyframe
1697                         gui->mask_keyframe =
1698                                 (MaskAuto*)gui->cwindow->calculate_affected_auto(
1699                                         mask_autos,
1700                                         0);
1701                         gui->orig_mask_keyframe->copy_data(gui->mask_keyframe);
1702 #else
1703
1704                         gui->mask_keyframe =
1705                                 (MaskAuto*)gui->cwindow->calculate_affected_auto(
1706                                         mask_autos,
1707                                         1);
1708 #endif
1709                 }
1710                 SubMask *mask = gui->mask_keyframe->get_submask(mwindow->edl->session->cwindow_mask);
1711
1712
1713 // Translate entire keyframe
1714                 if(gui->alt_down() && mask->points.size()) {
1715                         mwindow->undo->update_undo_before(_("mask translate"), 0);
1716                         gui->current_operation = CWINDOW_MASK_TRANSLATE;
1717                         gui->affected_point = 0;
1718                 }
1719                 else
1720 // Existing point or control point was selected
1721                 if(selected_point >= 0) {
1722                         mwindow->undo->update_undo_before(_("mask adjust"), 0);
1723                         gui->affected_point = selected_point;
1724
1725                         if(selected_control_point == 0)
1726                                 gui->current_operation = CWINDOW_MASK_CONTROL_IN;
1727                         else
1728                         if(selected_control_point == 1)
1729                                 gui->current_operation = CWINDOW_MASK_CONTROL_OUT;
1730                         else
1731                                 gui->current_operation = mwindow->edl->session->cwindow_operation;
1732                 }
1733                 else // No existing point or control point was selected so create a new one
1734                 if(!gui->ctrl_down() && !gui->alt_down()) {
1735                         mwindow->undo->update_undo_before(_("mask point"), 0);
1736 // Create the template
1737                         MaskPoint *point = new MaskPoint;
1738                         point->x = mask_cursor_x;
1739                         point->y = mask_cursor_y;
1740                         point->control_x1 = 0;
1741                         point->control_y1 = 0;
1742                         point->control_x2 = 0;
1743                         point->control_y2 = 0;
1744
1745
1746                         if(shortest_point2 < shortest_point1) {
1747                                 shortest_point2 ^= shortest_point1;
1748                                 shortest_point1 ^= shortest_point2;
1749                                 shortest_point2 ^= shortest_point1;
1750                         }
1751
1752
1753
1754 // printf("CWindowGUI::do_mask 40\n");
1755 // mwindow->edl->dump();
1756 // printf("CWindowGUI::do_mask 50\n");
1757
1758
1759
1760 //printf("CWindowCanvas::do_mask 1 %f %f %d %d\n",
1761 //      shortest_line_distance, shortest_point_distance, shortest_point1, shortest_point2);
1762 //printf("CWindowCanvas::do_mask %d %d\n", shortest_point1, shortest_point2);
1763
1764 // Append to end of list
1765                         if( shortest_point1 == shortest_point2 ||
1766                             labs(shortest_point1 - shortest_point2) > 1) {
1767 #ifdef USE_KEYFRAME_SPANNING
1768
1769                                 MaskPoint *new_point = new MaskPoint;
1770                                 points.append(new_point);
1771                                 *new_point = *point;
1772                                 gui->affected_point = points.size() - 1;
1773
1774 #else
1775
1776 // Need to apply the new point to every keyframe
1777                                 for(MaskAuto *current = (MaskAuto*)mask_autos->default_auto; current; ) {
1778                                         SubMask *submask = current->get_submask(mwindow->edl->session->cwindow_mask);
1779                                         MaskPoint *new_point = new MaskPoint;
1780                                         submask->points.append(new_point);
1781                                         *new_point = *point;
1782                                         if(current == (MaskAuto*)mask_autos->default_auto)
1783                                                 current = (MaskAuto*)mask_autos->first;
1784                                         else
1785                                                 current = (MaskAuto*)NEXT;
1786                                 }
1787                                 gui->affected_point = mask->points.size() - 1;
1788 #endif
1789
1790                                 result = 1;
1791                         }
1792                         else
1793 // Insert between 2 points, shifting back point 2
1794                         if(shortest_point1 >= 0 && shortest_point2 >= 0) {
1795
1796 #ifdef USE_KEYFRAME_SPANNING
1797 // In case the keyframe point count isn't synchronized with the rest of the keyframes,
1798 // avoid a crash.
1799                                 if(points.size() >= shortest_point2) {
1800                                         MaskPoint *new_point = new MaskPoint;
1801                                         points.append(0);
1802                                         for(int i = points.size() - 1;
1803                                                 i > shortest_point2;
1804                                                 i--)
1805                                                 points.values[i] = points.values[i - 1];
1806                                         points.values[shortest_point2] = new_point;
1807
1808                                         *new_point = *point;
1809                                 }
1810
1811 #else
1812
1813                                 for(MaskAuto *current = (MaskAuto*)mask_autos->default_auto; current; ) {
1814                                         SubMask *submask = current->get_submask(mwindow->edl->session->cwindow_mask);
1815 // In case the keyframe point count isn't synchronized with the rest of the keyframes,
1816 // avoid a crash.
1817                                         if(submask->points.size() >= shortest_point2) {
1818                                                 MaskPoint *new_point = new MaskPoint;
1819                                                 submask->points.append(0);
1820                                                 for(int i = submask->points.size() - 1;
1821                                                         i > shortest_point2;
1822                                                         i--)
1823                                                         submask->points.values[i] = submask->points.values[i - 1];
1824                                                 submask->points.values[shortest_point2] = new_point;
1825
1826                                                 *new_point = *point;
1827                                         }
1828
1829                                         if(current == (MaskAuto*)mask_autos->default_auto)
1830                                                 current = (MaskAuto*)mask_autos->first;
1831                                         else
1832                                                 current = (MaskAuto*)NEXT;
1833                                 }
1834
1835 #endif
1836                                 gui->affected_point = shortest_point2;
1837                                 result = 1;
1838                         }
1839
1840
1841 // printf("CWindowGUI::do_mask 20\n");
1842 // mwindow->edl->dump();
1843 // printf("CWindowGUI::do_mask 30\n");
1844
1845                         if(!result) {
1846 //printf("CWindowCanvas::do_mask 1\n");
1847 // Create the first point.
1848 #ifdef USE_KEYFRAME_SPANNING
1849                                 MaskPoint *new_point = new MaskPoint;
1850                                 points.append(new_point);
1851                                 *new_point = *point;
1852                                 gui->affected_point = points.size() - 1;
1853 #else
1854                                 for(MaskAuto *current = (MaskAuto*)mask_autos->default_auto; current; ) {
1855                                         SubMask *submask = current->get_submask(mwindow->edl->session->cwindow_mask);
1856                                         MaskPoint *new_point = new MaskPoint;
1857                                         submask->points.append(new_point);
1858                                         *new_point = *point;
1859                                         if(current == (MaskAuto*)mask_autos->default_auto)
1860                                                 current = (MaskAuto*)mask_autos->first;
1861                                         else
1862                                                 current = (MaskAuto*)NEXT;
1863                                 }
1864                                 gui->affected_point = points.size() - 1;
1865 #endif
1866
1867 //printf("CWindowCanvas::do_mask 3 %d\n", mask->points.size());
1868                         }
1869
1870                         gui->current_operation = mwindow->edl->session->cwindow_operation;
1871 // Delete the template
1872                         delete point;
1873                 }
1874
1875                 result = 1;
1876                 rerender = 1;
1877                 redraw = 1;
1878         }
1879
1880         if(button_press && result) {
1881 #ifdef USE_KEYFRAME_SPANNING
1882                 MaskPoint *point = points.values[gui->affected_point];
1883                 gui->center_x = point->x;
1884                 gui->center_y = point->y;
1885                 gui->control_in_x = point->control_x1;
1886                 gui->control_in_y = point->control_y1;
1887                 gui->control_out_x = point->control_x2;
1888                 gui->control_out_y = point->control_y2;
1889                 gui->tool_panel->raise_window();
1890 #else
1891                 SubMask *mask = gui->mask_keyframe->get_submask(mwindow->edl->session->cwindow_mask);
1892                 MaskPoint *point = mask->points.values[gui->affected_point];
1893                 gui->center_x = point->x;
1894                 gui->center_y = point->y;
1895                 gui->control_in_x = point->control_x1;
1896                 gui->control_in_y = point->control_y1;
1897                 gui->control_out_x = point->control_x2;
1898                 gui->control_out_y = point->control_y2;
1899                 gui->tool_panel->raise_window();
1900 #endif
1901         }
1902
1903 //printf("CWindowCanvas::do_mask 8\n");
1904         if(cursor_motion) {
1905
1906 #ifdef USE_KEYFRAME_SPANNING
1907 // Must update the reference keyframes for every cursor motion
1908                 gui->mask_keyframe =
1909                         (MaskAuto*)gui->cwindow->calculate_affected_auto(
1910                                 mask_autos,
1911                                 0);
1912                 gui->orig_mask_keyframe->copy_data(gui->mask_keyframe);
1913 #endif
1914
1915 //printf("CWindowCanvas::do_mask %d %d\n", __LINE__, gui->affected_point);
1916
1917                 SubMask *mask = gui->mask_keyframe->get_submask(mwindow->edl->session->cwindow_mask);
1918                 if( gui->affected_point >= 0 && gui->affected_point < mask->points.size() &&
1919                         gui->current_operation != CWINDOW_NONE) {
1920 //                      mwindow->undo->update_undo_before(_("mask point"), this);
1921 #ifdef USE_KEYFRAME_SPANNING
1922                         MaskPoint *point = points.get(gui->affected_point);
1923 #else
1924                         MaskPoint *point = mask->points.get(gui->affected_point);
1925 #endif
1926 //                      canvas_to_output(mwindow->edl, 0, cursor_x, cursor_y);
1927 //printf("CWindowCanvas::do_mask 9 %d %d\n", mask->points.size(), gui->affected_point);
1928
1929                         float last_x = point->x;
1930                         float last_y = point->y;
1931                         float last_control_x1 = point->control_x1;
1932                         float last_control_y1 = point->control_y1;
1933                         float last_control_x2 = point->control_x2;
1934                         float last_control_y2 = point->control_y2;
1935
1936                         switch(gui->current_operation) {
1937                                 case CWINDOW_MASK:
1938 //printf("CWindowCanvas::do_mask %d %d\n", __LINE__, gui->affected_point);
1939                                         point->x = mask_cursor_x - gui->x_origin + gui->center_x;
1940                                         point->y = mask_cursor_y - gui->y_origin + gui->center_y;
1941                                         break;
1942
1943                                 case CWINDOW_MASK_CONTROL_IN:
1944                                         point->control_x1 = mask_cursor_x - gui->x_origin + gui->control_in_x;
1945                                         point->control_y1 = mask_cursor_y - gui->y_origin + gui->control_in_y;
1946                                         break;
1947
1948                                 case CWINDOW_MASK_CONTROL_OUT:
1949                                         point->control_x2 = mask_cursor_x - gui->x_origin + gui->control_out_x;
1950                                         point->control_y2 = mask_cursor_y - gui->y_origin + gui->control_out_y;
1951                                         break;
1952
1953                                 case CWINDOW_MASK_TRANSLATE:
1954 #ifdef USE_KEYFRAME_SPANNING
1955                                         for(int i = 0; i < points.size(); i++) {
1956                                                 points.values[i]->x += mask_cursor_x - gui->x_origin;
1957                                                 points.values[i]->y += mask_cursor_y - gui->y_origin;
1958                                         }
1959 #else
1960                                         for(int i = 0; i < mask->points.size(); i++) {
1961                                                 mask->points.values[i]->x += mask_cursor_x - gui->x_origin;
1962                                                 mask->points.values[i]->y += mask_cursor_y - gui->y_origin;
1963                                         }
1964 #endif
1965                                         gui->x_origin = mask_cursor_x;
1966                                         gui->y_origin = mask_cursor_y;
1967                                         break;
1968                         }
1969
1970                         if( !EQUIV(last_x, point->x) ||
1971                                 !EQUIV(last_y, point->y) ||
1972                                 !EQUIV(last_control_x1, point->control_x1) ||
1973                                 !EQUIV(last_control_y1, point->control_y1) ||
1974                                 !EQUIV(last_control_x2, point->control_x2) ||
1975                                 !EQUIV(last_control_y2, point->control_y2)) {
1976                                 rerender = 1;
1977                                 redraw = 1;
1978                         }
1979                 }
1980                 else
1981                 if(gui->current_operation == CWINDOW_NONE) {
1982 //                      printf("CWindowCanvas::do_mask %d\n", __LINE__);
1983                         int over_point = 0;
1984                         for(int i = 0; i < points.size() && !over_point; i++) {
1985                                 MaskPoint *point = points.get(i);
1986                                 float x0 = point->x;
1987                                 float y0 = point->y;
1988                                 float x1 = point->x + point->control_x1;
1989                                 float y1 = point->y + point->control_y1;
1990                                 float x2 = point->x + point->control_x2;
1991                                 float y2 = point->y + point->control_y2;
1992                                 float canvas_x0 = (x0 - half_track_w) * projector_z + projector_x;
1993                                 float canvas_y0 = (y0 - half_track_h) * projector_z + projector_y;
1994
1995                                 output_to_canvas(mwindow->edl, 0, canvas_x0, canvas_y0);
1996                                 if(test_bbox(cursor_x, cursor_y, canvas_x0, canvas_y0)) {
1997                                         over_point = 1;
1998                                 }
1999
2000                                 if(!over_point && gui->ctrl_down()) {
2001                                         float canvas_x1 = (x1 - half_track_w) * projector_z + projector_x;
2002                                         float canvas_y1 = (y1 - half_track_h) * projector_z + projector_y;
2003                                         output_to_canvas(mwindow->edl, 0, canvas_x1, canvas_y1);
2004                                         if(test_bbox(cursor_x, cursor_y, canvas_x1, canvas_y1)) {
2005                                                 over_point = 1;
2006                                         }
2007                                         else {
2008                                                 float canvas_x2 = (x2 - half_track_w) * projector_z + projector_x;
2009                                                 float canvas_y2 = (y2 - half_track_h) * projector_z + projector_y;
2010                                                 output_to_canvas(mwindow->edl, 0, canvas_x2, canvas_y2);
2011                                                 if(test_bbox(cursor_x, cursor_y, canvas_x2, canvas_y2)) {
2012                                                         over_point = 1;
2013                                                 }
2014                                         }
2015                                 }
2016                         }
2017
2018                         set_cursor( over_point ? ARROW_CURSOR : CROSS_CURSOR );
2019                 }
2020
2021                 result = 1;
2022         }
2023 //printf("CWindowCanvas::do_mask 2 %d %d %d\n", result, rerender, redraw);
2024
2025
2026 #ifdef USE_KEYFRAME_SPANNING
2027 // Must commit change after operation.
2028         if(rerender && track) {
2029 // Swap EDL keyframe with original.
2030 // Apply new values to keyframe span
2031                 MaskAuto temp_keyframe(mwindow->edl, mask_autos);
2032                 temp_keyframe.copy_data(gui->mask_keyframe);
2033 // Apply interpolated points back to keyframe
2034                 temp_keyframe.set_points(&points, mwindow->edl->session->cwindow_mask);
2035                 gui->mask_keyframe->copy_data(gui->orig_mask_keyframe);
2036                 mask_autos->update_parameter(&temp_keyframe);
2037         }
2038 #endif
2039
2040         points.remove_all_objects();
2041 //printf("CWindowCanvas::do_mask 20\n");
2042         return result;
2043 }
2044
2045 int CWindowCanvas::do_eyedrop(int &rerender, int button_press, int draw)
2046 {
2047         int result = 0;
2048         int radius = mwindow->edl->session->eyedrop_radius;
2049         int row1 = 0;
2050         int row2 = 0;
2051         int column1 = 0;
2052         int column2 = 0;
2053
2054
2055
2056         if(refresh_frame && refresh_frame->get_w()>0 && refresh_frame->get_h()>0)
2057         {
2058
2059                 if(draw)
2060                 {
2061                         row1 = gui->eyedrop_y - radius;
2062                         row2 = gui->eyedrop_y + radius;
2063                         column1 = gui->eyedrop_x - radius;
2064                         column2 = gui->eyedrop_x + radius;
2065
2066                         CLAMP(row1, 0, refresh_frame->get_h() - 1);
2067                         CLAMP(row2, 0, refresh_frame->get_h() - 1);
2068                         CLAMP(column1, 0, refresh_frame->get_w() - 1);
2069                         CLAMP(column2, 0, refresh_frame->get_w() - 1);
2070
2071                         if(row2 <= row1) row2 = row1 + 1;
2072                         if(column2 <= column1) column2 = column1 + 1;
2073
2074                         float x1 = column1;
2075                         float y1 = row1;
2076                         float x2 = column2;
2077                         float y2 = row2;
2078
2079                         output_to_canvas(mwindow->edl, 0, x1, y1);
2080                         output_to_canvas(mwindow->edl, 0, x2, y2);
2081 //printf("CWindowCanvas::do_eyedrop %d %f %f %f %f\n", __LINE__, x1, x2, y1, y2);
2082
2083                         if(x2 - x1 >= 1 && y2 - y1 >= 1)
2084                         {
2085                                 get_canvas()->set_inverse();
2086                                 get_canvas()->set_color(WHITE);
2087
2088                                 get_canvas()->draw_rectangle((int)x1,
2089                                         (int)y1,
2090                                         (int)(x2 - x1),
2091                                         (int)(y2 - y1));
2092
2093                                 get_canvas()->set_opaque();
2094                                 get_canvas()->flash();
2095                         }
2096                         return 0;
2097                 }
2098         }
2099
2100         if(button_press)
2101         {
2102                 gui->current_operation = CWINDOW_EYEDROP;
2103                 gui->tool_panel->raise_window();
2104         }
2105
2106         if(gui->current_operation == CWINDOW_EYEDROP)
2107         {
2108                 mwindow->undo->update_undo_before(_("Eyedrop"), this);
2109
2110 // Get color out of frame.
2111 // Doesn't work during playback because that bypasses the refresh frame.
2112                 if(refresh_frame && refresh_frame->get_w()>0 && refresh_frame->get_h()>0)
2113                 {
2114                         float cursor_x = get_cursor_x();
2115                         float cursor_y = get_cursor_y();
2116                         canvas_to_output(mwindow->edl, 0, cursor_x, cursor_y);
2117                         CLAMP(cursor_x, 0, refresh_frame->get_w() - 1);
2118                         CLAMP(cursor_y, 0, refresh_frame->get_h() - 1);
2119
2120                         row1 = cursor_y - radius;
2121                         row2 = cursor_y + radius;
2122                         column1 = cursor_x - radius;
2123                         column2 = cursor_x + radius;
2124                         CLAMP(row1, 0, refresh_frame->get_h() - 1);
2125                         CLAMP(row2, 0, refresh_frame->get_h() - 1);
2126                         CLAMP(column1, 0, refresh_frame->get_w() - 1);
2127                         CLAMP(column2, 0, refresh_frame->get_w() - 1);
2128                         if(row2 <= row1) row2 = row1 + 1;
2129                         if(column2 <= column1) column2 = column1 + 1;
2130
2131
2132 // hide it
2133                         if(gui->eyedrop_visible)
2134                         {
2135                                 int temp;
2136                                 do_eyedrop(temp, 0, 1);
2137                                 gui->eyedrop_visible = 0;
2138                         }
2139
2140                         gui->eyedrop_x = cursor_x;
2141                         gui->eyedrop_y = cursor_y;
2142
2143 // show it
2144                         {
2145                                 int temp;
2146                                 do_eyedrop(temp, 0, 1);
2147                                 gui->eyedrop_visible = 1;
2148                         }
2149
2150 // Decompression coefficients straight out of jpeglib
2151 #define V_TO_R    1.40200
2152 #define V_TO_G    -0.71414
2153
2154 #define U_TO_G    -0.34414
2155 #define U_TO_B    1.77200
2156
2157 #define GET_COLOR(type, components, max, do_yuv) \
2158 { \
2159         type *row = (type*)(refresh_frame->get_rows()[i]) + \
2160                 j * components; \
2161         float red = (float)*row++ / max; \
2162         float green = (float)*row++ / max; \
2163         float blue = (float)*row++ / max; \
2164         if(do_yuv) \
2165         { \
2166                 mwindow->edl->local_session->red += red + V_TO_R * (blue - 0.5); \
2167                 mwindow->edl->local_session->green += red + U_TO_G * (green - 0.5) + V_TO_G * (blue - 0.5); \
2168                 mwindow->edl->local_session->blue += red + U_TO_B * (green - 0.5); \
2169         } \
2170         else \
2171         { \
2172                 mwindow->edl->local_session->red += red; \
2173                 mwindow->edl->local_session->green += green; \
2174                 mwindow->edl->local_session->blue += blue; \
2175         } \
2176 }
2177
2178
2179
2180                         mwindow->edl->local_session->red = 0;
2181                         mwindow->edl->local_session->green = 0;
2182                         mwindow->edl->local_session->blue = 0;
2183                         for(int i = row1; i < row2; i++)
2184                         {
2185                                 for(int j = column1; j < column2; j++)
2186                                 {
2187                                         switch(refresh_frame->get_color_model())
2188                                         {
2189                                                 case BC_YUV888:
2190                                                         GET_COLOR(unsigned char, 3, 0xff, 1);
2191                                                         break;
2192                                                 case BC_YUVA8888:
2193                                                         GET_COLOR(unsigned char, 4, 0xff, 1);
2194                                                         break;
2195                                                 case BC_YUV161616:
2196                                                         GET_COLOR(uint16_t, 3, 0xffff, 1);
2197                                                         break;
2198                                                 case BC_YUVA16161616:
2199                                                         GET_COLOR(uint16_t, 4, 0xffff, 1);
2200                                                         break;
2201                                                 case BC_RGB888:
2202                                                         GET_COLOR(unsigned char, 3, 0xff, 0);
2203                                                         break;
2204                                                 case BC_RGBA8888:
2205                                                         GET_COLOR(unsigned char, 4, 0xff, 0);
2206                                                         break;
2207                                                 case BC_RGB_FLOAT:
2208                                                         GET_COLOR(float, 3, 1.0, 0);
2209                                                         break;
2210                                                 case BC_RGBA_FLOAT:
2211                                                         GET_COLOR(float, 4, 1.0, 0);
2212                                                         break;
2213                                         }
2214                                 }
2215                         }
2216
2217                         mwindow->edl->local_session->red /= (row2 - row1) * (column2 - column1);
2218                         mwindow->edl->local_session->green /= (row2 - row1) * (column2 - column1);
2219                         mwindow->edl->local_session->blue /= (row2 - row1) * (column2 - column1);
2220
2221                 }
2222                 else
2223                 {
2224                         mwindow->edl->local_session->red = 0;
2225                         mwindow->edl->local_session->green = 0;
2226                         mwindow->edl->local_session->blue = 0;
2227                         gui->eyedrop_visible = 0;
2228                 }
2229
2230
2231                 gui->update_tool();
2232
2233
2234
2235                 result = 1;
2236 // Can't rerender since the color value is from the output of any effect it
2237 // goes into.
2238 //              rerender = 1;
2239                 mwindow->undo->update_undo_after(_("Eyedrop"), LOAD_SESSION);
2240         }
2241
2242         return result;
2243 }
2244
2245 void CWindowCanvas::draw_overlays()
2246 {
2247         if(mwindow->edl->session->safe_regions)
2248         {
2249                 draw_safe_regions();
2250         }
2251
2252         if(mwindow->edl->session->cwindow_scrollbars)
2253         {
2254 // Always draw output rectangle
2255                 float x1, y1, x2, y2;
2256                 x1 = 0;
2257                 x2 = mwindow->edl->session->output_w;
2258                 y1 = 0;
2259                 y2 = mwindow->edl->session->output_h;
2260                 output_to_canvas(mwindow->edl, 0, x1, y1);
2261                 output_to_canvas(mwindow->edl, 0, x2, y2);
2262
2263                 get_canvas()->set_inverse();
2264                 get_canvas()->set_color(WHITE);
2265
2266                 get_canvas()->draw_rectangle((int)x1,
2267                                 (int)y1,
2268                                 (int)(x2 - x1),
2269                                 (int)(y2 - y1));
2270
2271                 get_canvas()->set_opaque();
2272         }
2273
2274         if(gui->highlighted)
2275         {
2276                 get_canvas()->set_color(WHITE);
2277                 get_canvas()->set_inverse();
2278                 get_canvas()->draw_rectangle(0, 0, get_canvas()->get_w(), get_canvas()->get_h());
2279                 get_canvas()->draw_rectangle(1, 1, get_canvas()->get_w() - 2, get_canvas()->get_h() - 2);
2280                 get_canvas()->set_opaque();
2281         }
2282
2283         int temp1 = 0, temp2 = 0;
2284 //printf("CWindowCanvas::draw_overlays 1 %d\n", mwindow->edl->session->cwindow_operation);
2285         switch(mwindow->edl->session->cwindow_operation)
2286         {
2287                 case CWINDOW_CAMERA:
2288                         draw_bezier(1);
2289                         break;
2290
2291                 case CWINDOW_PROJECTOR:
2292                         draw_bezier(0);
2293                         break;
2294
2295                 case CWINDOW_CROP:
2296                         draw_crop();
2297                         break;
2298
2299                 case CWINDOW_MASK:
2300                         do_mask(temp1, temp2, 0, 0, 1);
2301                         break;
2302
2303                 case CWINDOW_RULER:
2304                         do_ruler(1, 0, 0, 0);
2305                         break;
2306
2307                 case CWINDOW_EYEDROP:
2308                 if(gui->eyedrop_visible)
2309                 {
2310                         int rerender;
2311                         do_eyedrop(rerender, 0, 1);
2312                         gui->eyedrop_visible = 1;
2313                         break;
2314                 }
2315         }
2316 }
2317
2318 void CWindowCanvas::draw_safe_regions()
2319 {
2320         float action_x1, action_x2, action_y1, action_y2;
2321         float title_x1, title_x2, title_y1, title_y2;
2322
2323         action_x1 = mwindow->edl->session->output_w / 2 - mwindow->edl->session->output_w / 2 * 0.9;
2324         action_x2 = mwindow->edl->session->output_w / 2 + mwindow->edl->session->output_w / 2 * 0.9;
2325         action_y1 = mwindow->edl->session->output_h / 2 - mwindow->edl->session->output_h / 2 * 0.9;
2326         action_y2 = mwindow->edl->session->output_h / 2 + mwindow->edl->session->output_h / 2 * 0.9;
2327         title_x1 = mwindow->edl->session->output_w / 2 - mwindow->edl->session->output_w / 2 * 0.8;
2328         title_x2 = mwindow->edl->session->output_w / 2 + mwindow->edl->session->output_w / 2 * 0.8;
2329         title_y1 = mwindow->edl->session->output_h / 2 - mwindow->edl->session->output_h / 2 * 0.8;
2330         title_y2 = mwindow->edl->session->output_h / 2 + mwindow->edl->session->output_h / 2 * 0.8;
2331
2332         output_to_canvas(mwindow->edl, 0, action_x1, action_y1);
2333         output_to_canvas(mwindow->edl, 0, action_x2, action_y2);
2334         output_to_canvas(mwindow->edl, 0, title_x1, title_y1);
2335         output_to_canvas(mwindow->edl, 0, title_x2, title_y2);
2336
2337         get_canvas()->set_inverse();
2338         get_canvas()->set_color(WHITE);
2339
2340         get_canvas()->draw_rectangle((int)action_x1,
2341                         (int)action_y1,
2342                         (int)(action_x2 - action_x1),
2343                         (int)(action_y2 - action_y1));
2344         get_canvas()->draw_rectangle((int)title_x1,
2345                         (int)title_y1,
2346                         (int)(title_x2 - title_x1),
2347                         (int)(title_y2 - title_y1));
2348
2349         get_canvas()->set_opaque();
2350 }
2351
2352 void CWindowCanvas::reset_keyframe(int do_camera)
2353 {
2354         FloatAuto *x_keyframe = 0;
2355         FloatAuto *y_keyframe = 0;
2356         FloatAuto *z_keyframe = 0;
2357         Track *affected_track = 0;
2358
2359         affected_track = gui->cwindow->calculate_affected_track();
2360
2361         if(affected_track)
2362         {
2363                 gui->cwindow->calculate_affected_autos(&x_keyframe,
2364                         &y_keyframe,
2365                         &z_keyframe,
2366                         affected_track,
2367                         do_camera,
2368                         1,
2369                         1,
2370                         1);
2371
2372                 x_keyframe->set_value(0);
2373                 y_keyframe->set_value(0);
2374                 z_keyframe->set_value(1);
2375
2376                 mwindow->sync_parameters(CHANGE_PARAMS);
2377                 gui->update_tool();
2378         }
2379 }
2380
2381 void CWindowCanvas::reset_camera()
2382 {
2383         reset_keyframe(1);
2384 }
2385
2386 void CWindowCanvas::reset_projector()
2387 {
2388         reset_keyframe(0);
2389 }
2390
2391 int CWindowCanvas::test_crop(int button_press, int &redraw)
2392 {
2393         int result = 0;
2394         int handle_selected = -1;
2395         float x1 = mwindow->edl->session->crop_x1;
2396         float y1 = mwindow->edl->session->crop_y1;
2397         float x2 = mwindow->edl->session->crop_x2;
2398         float y2 = mwindow->edl->session->crop_y2;
2399         float cursor_x = get_cursor_x();
2400         float cursor_y = get_cursor_y();
2401         float canvas_x1 = x1;
2402         float canvas_y1 = y1;
2403         float canvas_x2 = x2;
2404         float canvas_y2 = y2;
2405         float canvas_cursor_x = cursor_x;
2406         float canvas_cursor_y = cursor_y;
2407
2408         canvas_to_output(mwindow->edl, 0, cursor_x, cursor_y);
2409 // Use screen normalized coordinates for hot spot tests.
2410         output_to_canvas(mwindow->edl, 0, canvas_x1, canvas_y1);
2411         output_to_canvas(mwindow->edl, 0, canvas_x2, canvas_y2);
2412
2413
2414         if(gui->current_operation == CWINDOW_CROP)
2415         {
2416                 handle_selected = gui->crop_handle;
2417         }
2418         else
2419         if(canvas_cursor_x >= canvas_x1 && canvas_cursor_x < canvas_x1 + CROPHANDLE_W &&
2420                 canvas_cursor_y >= canvas_y1 && canvas_cursor_y < canvas_y1 + CROPHANDLE_H)
2421         {
2422                 handle_selected = 0;
2423                 gui->crop_origin_x = x1;
2424                 gui->crop_origin_y = y1;
2425         }
2426         else
2427         if(canvas_cursor_x >= canvas_x2 - CROPHANDLE_W && canvas_cursor_x < canvas_x2 &&
2428                 canvas_cursor_y >= canvas_y1 && canvas_cursor_y < canvas_y1 + CROPHANDLE_H)
2429         {
2430                 handle_selected = 1;
2431                 gui->crop_origin_x = x2;
2432                 gui->crop_origin_y = y1;
2433         }
2434         else
2435         if(canvas_cursor_x >= canvas_x1 && canvas_cursor_x < canvas_x1 + CROPHANDLE_W &&
2436                 canvas_cursor_y >= canvas_y2 - CROPHANDLE_H && canvas_cursor_y < canvas_y2)
2437         {
2438                 handle_selected = 2;
2439                 gui->crop_origin_x = x1;
2440                 gui->crop_origin_y = y2;
2441         }
2442         else
2443         if(canvas_cursor_x >= canvas_x2 - CROPHANDLE_W && canvas_cursor_x < canvas_x2 &&
2444                 canvas_cursor_y >= canvas_y2 - CROPHANDLE_H && canvas_cursor_y < canvas_y2)
2445         {
2446                 handle_selected = 3;
2447                 gui->crop_origin_x = x2;
2448                 gui->crop_origin_y = y2;
2449         }
2450         else
2451 // Start new box
2452         {
2453                 gui->crop_origin_x = cursor_x;
2454                 gui->crop_origin_y = cursor_y;
2455         }
2456
2457 // printf("test crop %d %d\n",
2458 //      gui->current_operation,
2459 //      handle_selected);
2460
2461 // Start dragging.
2462         if(button_press)
2463         {
2464                 if(gui->alt_down())
2465                 {
2466                         gui->crop_translate = 1;
2467                         gui->crop_origin_x1 = x1;
2468                         gui->crop_origin_y1 = y1;
2469                         gui->crop_origin_x2 = x2;
2470                         gui->crop_origin_y2 = y2;
2471                 }
2472                 else
2473                         gui->crop_translate = 0;
2474
2475                 gui->current_operation = CWINDOW_CROP;
2476                 gui->crop_handle = handle_selected;
2477                 gui->x_origin = cursor_x;
2478                 gui->y_origin = cursor_y;
2479                 gui->tool_panel->raise_window();
2480                 result = 1;
2481
2482                 if(handle_selected < 0 && !gui->crop_translate)
2483                 {
2484                         x2 = x1 = cursor_x;
2485                         y2 = y1 = cursor_y;
2486                         mwindow->edl->session->crop_x1 = (int)x1;
2487                         mwindow->edl->session->crop_y1 = (int)y1;
2488                         mwindow->edl->session->crop_x2 = (int)x2;
2489                         mwindow->edl->session->crop_y2 = (int)y2;
2490                         redraw = 1;
2491                 }
2492         }
2493     else
2494 // Translate all 4 points
2495         if(gui->current_operation == CWINDOW_CROP && gui->crop_translate)
2496         {
2497                 x1 = cursor_x - gui->x_origin + gui->crop_origin_x1;
2498                 y1 = cursor_y - gui->y_origin + gui->crop_origin_y1;
2499                 x2 = cursor_x - gui->x_origin + gui->crop_origin_x2;
2500                 y2 = cursor_y - gui->y_origin + gui->crop_origin_y2;
2501
2502                 mwindow->edl->session->crop_x1 = (int)x1;
2503                 mwindow->edl->session->crop_y1 = (int)y1;
2504                 mwindow->edl->session->crop_x2 = (int)x2;
2505                 mwindow->edl->session->crop_y2 = (int)y2;
2506                 result = 1;
2507                 redraw = 1;
2508         }
2509         else
2510 // Update dragging
2511         if(gui->current_operation == CWINDOW_CROP)
2512         {
2513                 switch(gui->crop_handle)
2514                 {
2515                         case -1:
2516                                 x1 = gui->crop_origin_x;
2517                                 y1 = gui->crop_origin_y;
2518                                 x2 = gui->crop_origin_x;
2519                                 y2 = gui->crop_origin_y;
2520                                 if(cursor_x < gui->x_origin)
2521                                 {
2522                                         if(cursor_y < gui->y_origin)
2523                                         {
2524                                                 x1 = cursor_x;
2525                                                 y1 = cursor_y;
2526                                         }
2527                                         else
2528                                         if(cursor_y >= gui->y_origin)
2529                                         {
2530                                                 x1 = cursor_x;
2531                                                 y2 = cursor_y;
2532                                         }
2533                                 }
2534                                 else
2535                                 if(cursor_x  >= gui->x_origin)
2536                                 {
2537                                         if(cursor_y < gui->y_origin)
2538                                         {
2539                                                 y1 = cursor_y;
2540                                                 x2 = cursor_x;
2541                                         }
2542                                         else
2543                                         if(cursor_y >= gui->y_origin)
2544                                         {
2545                                                 x2 = cursor_x;
2546                                                 y2 = cursor_y;
2547                                         }
2548                                 }
2549
2550 // printf("test crop %d %d %d %d\n",
2551 //      mwindow->edl->session->crop_x1,
2552 //      mwindow->edl->session->crop_y1,
2553 //      mwindow->edl->session->crop_x2,
2554 //      mwindow->edl->session->crop_y2);
2555                                 break;
2556                         case 0:
2557                                 x1 = cursor_x - gui->x_origin + gui->crop_origin_x;
2558                                 y1 = cursor_y - gui->y_origin + gui->crop_origin_y;
2559                                 break;
2560                         case 1:
2561                                 x2 = cursor_x - gui->x_origin + gui->crop_origin_x;
2562                                 y1 = cursor_y - gui->y_origin + gui->crop_origin_y;
2563                                 break;
2564                         case 2:
2565                                 x1 = cursor_x - gui->x_origin + gui->crop_origin_x;
2566                                 y2 = cursor_y - gui->y_origin + gui->crop_origin_y;
2567                                 break;
2568                         case 3:
2569                                 x2 = cursor_x - gui->x_origin + gui->crop_origin_x;
2570                                 y2 = cursor_y - gui->y_origin + gui->crop_origin_y;
2571                                 break;
2572                 }
2573
2574                 if(!EQUIV(mwindow->edl->session->crop_x1, x1) ||
2575                         !EQUIV(mwindow->edl->session->crop_x2, x2) ||
2576                         !EQUIV(mwindow->edl->session->crop_y1, y1) ||
2577                         !EQUIV(mwindow->edl->session->crop_y2, y2))
2578                 {
2579                         if (x1 > x2)
2580                         {
2581                                 float tmp = x1;
2582                                 x1 = x2;
2583                                 x2 = tmp;
2584                                 switch (gui->crop_handle)
2585                                 {
2586                                         case 0: gui->crop_handle = 1; break;
2587                                         case 1: gui->crop_handle = 0; break;
2588                                         case 2: gui->crop_handle = 3; break;
2589                                         case 3: gui->crop_handle = 2; break;
2590                                         default: break;
2591                                 }
2592                         }
2593
2594                         if (y1 > y2)
2595                         {
2596                                 float tmp = y1;
2597                                 y1 = y2;
2598                                 y2 = tmp;
2599                                 switch (gui->crop_handle)
2600                                 {
2601                                         case 0: gui->crop_handle = 2; break;
2602                                         case 1: gui->crop_handle = 3; break;
2603                                         case 2: gui->crop_handle = 0; break;
2604                                         case 3: gui->crop_handle = 1; break;
2605                                         default: break;
2606                                 }
2607                         }
2608
2609                         mwindow->edl->session->crop_x1 = (int)x1;
2610                         mwindow->edl->session->crop_y1 = (int)y1;
2611                         mwindow->edl->session->crop_x2 = (int)x2;
2612                         mwindow->edl->session->crop_y2 = (int)y2;
2613                         result = 1;
2614                         redraw = 1;
2615                 }
2616         }
2617         else
2618 // Update cursor font
2619         if(handle_selected >= 0)
2620         {
2621                 switch(handle_selected)
2622                 {
2623                         case 0:
2624                                 set_cursor(UPLEFT_RESIZE);
2625                                 break;
2626                         case 1:
2627                                 set_cursor(UPRIGHT_RESIZE);
2628                                 break;
2629                         case 2:
2630                                 set_cursor(DOWNLEFT_RESIZE);
2631                                 break;
2632                         case 3:
2633                                 set_cursor(DOWNRIGHT_RESIZE);
2634                                 break;
2635                 }
2636                 result = 1;
2637         }
2638         else
2639         {
2640                 set_cursor(ARROW_CURSOR);
2641         }
2642 #define CLAMP(x, y, z) ((x) = ((x) < (y) ? (y) : ((x) > (z) ? (z) : (x))))
2643
2644         if(redraw)
2645         {
2646                 CLAMP(mwindow->edl->session->crop_x1, 0, mwindow->edl->session->output_w);
2647                 CLAMP(mwindow->edl->session->crop_x2, 0, mwindow->edl->session->output_w);
2648                 CLAMP(mwindow->edl->session->crop_y1, 0, mwindow->edl->session->output_h);
2649                 CLAMP(mwindow->edl->session->crop_y2, 0, mwindow->edl->session->output_h);
2650 // printf("CWindowCanvas::test_crop %d %d %d %d\n",
2651 //      mwindow->edl->session->crop_x2,
2652 //      mwindow->edl->session->crop_y2,
2653 //      mwindow->edl->calculate_output_w(0),
2654 //      mwindow->edl->calculate_output_h(0));
2655         }
2656         return result;
2657 }
2658
2659
2660 void CWindowCanvas::draw_crop()
2661 {
2662         get_canvas()->set_inverse();
2663         get_canvas()->set_color(WHITE);
2664
2665         float x1 = mwindow->edl->session->crop_x1;
2666         float y1 = mwindow->edl->session->crop_y1;
2667         float x2 = mwindow->edl->session->crop_x2;
2668         float y2 = mwindow->edl->session->crop_y2;
2669
2670         output_to_canvas(mwindow->edl, 0, x1, y1);
2671         output_to_canvas(mwindow->edl, 0, x2, y2);
2672
2673         if(x2 - x1 && y2 - y1)
2674                 get_canvas()->draw_rectangle((int)x1,
2675                         (int)y1,
2676                         (int)(x2 - x1),
2677                         (int)(y2 - y1));
2678
2679         draw_crophandle((int)x1, (int)y1);
2680         draw_crophandle((int)x2 - CROPHANDLE_W, (int)y1);
2681         draw_crophandle((int)x1, (int)y2 - CROPHANDLE_H);
2682         draw_crophandle((int)x2 - CROPHANDLE_W, (int)y2 - CROPHANDLE_H);
2683         get_canvas()->set_opaque();
2684 }
2685
2686
2687
2688
2689
2690
2691
2692
2693 void CWindowCanvas::draw_bezier(int do_camera)
2694 {
2695         Track *track = gui->cwindow->calculate_affected_track();
2696
2697         if(!track) return;
2698
2699         float center_x;
2700         float center_y;
2701         float center_z;
2702         int64_t position = track->to_units(
2703                 mwindow->edl->local_session->get_selectionstart(1),
2704                 0);
2705
2706         track->automation->get_projector(&center_x,
2707                 &center_y,
2708                 &center_z,
2709                 position,
2710                 PLAY_FORWARD);
2711
2712 //      center_x += track->track_w / 2;
2713 //      center_y += track->track_h / 2;
2714         center_x += mwindow->edl->session->output_w / 2;
2715         center_y += mwindow->edl->session->output_h / 2;
2716         float track_x1 = center_x - track->track_w / 2 * center_z;
2717         float track_y1 = center_y - track->track_h / 2 * center_z;
2718         float track_x2 = track_x1 + track->track_w * center_z;
2719         float track_y2 = track_y1 + track->track_h * center_z;
2720
2721         output_to_canvas(mwindow->edl, 0, track_x1, track_y1);
2722         output_to_canvas(mwindow->edl, 0, track_x2, track_y2);
2723
2724 #define DRAW_PROJECTION(offset) \
2725         get_canvas()->draw_rectangle((int)track_x1 + offset, \
2726                 (int)track_y1 + offset, \
2727                 (int)(track_x2 - track_x1), \
2728                 (int)(track_y2 - track_y1)); \
2729         get_canvas()->draw_line((int)track_x1 + offset,  \
2730                 (int)track_y1 + offset, \
2731                 (int)track_x2 + offset, \
2732                 (int)track_y2 + offset); \
2733         get_canvas()->draw_line((int)track_x2 + offset,  \
2734                 (int)track_y1 + offset, \
2735                 (int)track_x1 + offset, \
2736                 (int)track_y2 + offset); \
2737
2738
2739 // Drop shadow
2740         get_canvas()->set_color(BLACK);
2741         DRAW_PROJECTION(1);
2742
2743 //      canvas->set_inverse();
2744         if(do_camera)
2745                 get_canvas()->set_color(GREEN);
2746         else
2747                 get_canvas()->set_color(RED);
2748
2749         DRAW_PROJECTION(0);
2750 //      canvas->set_opaque();
2751
2752 }
2753
2754 int CWindowCanvas::test_bezier(int button_press,
2755         int &redraw,
2756         int &redraw_canvas,
2757         int &rerender,
2758         int do_camera)
2759 {
2760         int result = 0;
2761
2762 // Processing drag operation.
2763 // Create keyframe during first cursor motion.
2764         if(!button_press)
2765         {
2766
2767                 float cursor_x = get_cursor_x();
2768                 float cursor_y = get_cursor_y();
2769                 canvas_to_output(mwindow->edl, 0, cursor_x, cursor_y);
2770
2771                 if(gui->current_operation == CWINDOW_CAMERA ||
2772                         gui->current_operation == CWINDOW_PROJECTOR)
2773                 {
2774                         if(!gui->ctrl_down() && gui->shift_down() && !gui->translating_zoom)
2775                         {
2776                                 gui->translating_zoom = 1;
2777                                 gui->reset_affected();
2778                         }
2779                         else
2780                         if(!gui->ctrl_down() && !gui->shift_down() && gui->translating_zoom)
2781                         {
2782                                 gui->translating_zoom = 0;
2783                                 gui->reset_affected();
2784                         }
2785
2786 // Get target keyframe
2787                         float last_center_x;
2788                         float last_center_y;
2789                         float last_center_z;
2790                         int created;
2791
2792                         if(!gui->affected_x && !gui->affected_y && !gui->affected_z)
2793                         {
2794                                 FloatAutos *affected_x_autos;
2795                                 FloatAutos *affected_y_autos;
2796                                 FloatAutos *affected_z_autos;
2797                                 if(!gui->affected_track) return 0;
2798                                 double position = mwindow->edl->local_session->get_selectionstart(1);
2799                                 int64_t track_position = gui->affected_track->to_units(position, 0);
2800
2801                                 if(mwindow->edl->session->cwindow_operation == CWINDOW_CAMERA)
2802                                 {
2803                                         affected_x_autos = (FloatAutos*)gui->affected_track->automation->autos[AUTOMATION_CAMERA_X];
2804                                         affected_y_autos = (FloatAutos*)gui->affected_track->automation->autos[AUTOMATION_CAMERA_Y];
2805                                         affected_z_autos = (FloatAutos*)gui->affected_track->automation->autos[AUTOMATION_CAMERA_Z];
2806                                 }
2807                                 else
2808                                 {
2809                                         affected_x_autos = (FloatAutos*)gui->affected_track->automation->autos[AUTOMATION_PROJECTOR_X];
2810                                         affected_y_autos = (FloatAutos*)gui->affected_track->automation->autos[AUTOMATION_PROJECTOR_Y];
2811                                         affected_z_autos = (FloatAutos*)gui->affected_track->automation->autos[AUTOMATION_PROJECTOR_Z];
2812                                 }
2813
2814
2815                                 if(gui->translating_zoom)
2816                                 {
2817                                         FloatAuto *previous = 0;
2818                                         FloatAuto *next = 0;
2819                                         float new_z = affected_z_autos->get_value(
2820                                                 track_position,
2821                                                 PLAY_FORWARD,
2822                                                 previous,
2823                                                 next);
2824                                         gui->affected_z =
2825                                                 (FloatAuto*)gui->cwindow->calculate_affected_auto(
2826                                                         affected_z_autos, 1, &created, 0);
2827                                         if(created) {
2828                                                 gui->affected_z->set_value(new_z);
2829                                                 redraw_canvas = 1;
2830                                         }
2831                                 }
2832                                 else
2833                                 {
2834                                         FloatAuto *previous = 0;
2835                                         FloatAuto *next = 0;
2836                                         float new_x = affected_x_autos->get_value(
2837                                                 track_position,
2838                                                 PLAY_FORWARD,
2839                                                 previous,
2840                                                 next);
2841                                         previous = 0;
2842                                         next = 0;
2843                                         float new_y = affected_y_autos->get_value(
2844                                                 track_position,
2845                                                 PLAY_FORWARD,
2846                                                 previous,
2847                                                 next);
2848                                         gui->affected_x =
2849                                                 (FloatAuto*)gui->cwindow->calculate_affected_auto(
2850                                                         affected_x_autos, 1, &created, 0);
2851                                         if(created) {
2852                                                 gui->affected_x->set_value(new_x);
2853                                                 redraw_canvas = 1;
2854                                         }
2855                                         gui->affected_y =
2856                                                 (FloatAuto*)gui->cwindow->calculate_affected_auto(
2857                                                         affected_y_autos, 1, &created, 0);
2858                                         if(created) {
2859                                                 gui->affected_y->set_value(new_y);
2860                                                 redraw_canvas = 1;
2861                                         }
2862                                 }
2863
2864                                 calculate_origin();
2865
2866                                 if(gui->translating_zoom)
2867                                 {
2868                                         gui->center_z = gui->affected_z->get_value();
2869                                 }
2870                                 else
2871                                 {
2872                                         gui->center_x = gui->affected_x->get_value();
2873                                         gui->center_y = gui->affected_y->get_value();
2874                                 }
2875
2876                                 rerender = 1;
2877                                 redraw = 1;
2878                         }
2879
2880                         if(gui->translating_zoom)
2881                         {
2882                                 last_center_z = gui->affected_z->get_value();
2883                                 float z = gui->center_z + (cursor_y - gui->y_origin) / 128;
2884                                 if( z < 0 ) z = 0;
2885                                 if(!EQUIV(last_center_z, z))
2886                                 {
2887                                         rerender = 1;
2888                                         redraw = 1;
2889                                         redraw_canvas = 1;
2890                                 }
2891                                 gui->affected_z->set_value(z);
2892                         }
2893                         else
2894                         {
2895                                 last_center_x = gui->affected_x->get_value();
2896                                 last_center_y = gui->affected_y->get_value();
2897                                 float x = gui->center_x + cursor_x - gui->x_origin;
2898                                 float y = gui->center_y + cursor_y - gui->y_origin;
2899                                 gui->affected_x->set_value(x);
2900                                 gui->affected_y->set_value(y);
2901                                 if( !EQUIV(last_center_x, x) || !EQUIV(last_center_y, y) )
2902                                 {
2903                                         rerender = 1;
2904                                         redraw = 1;
2905                                         redraw_canvas = 1;
2906                                 }
2907                                 gui->affected_x->set_value(x);
2908                                 gui->affected_y->set_value(y);
2909                         }
2910                 }
2911
2912                 result = 1;
2913         }
2914         else
2915 // Begin drag operation.  Don't create keyframe here.
2916         {
2917 // Get affected track off of the first recordable video track.
2918 // Calculating based on the alpha channel would require recording what layer
2919 // each output pixel belongs to as they're rendered and stacked.  Forget it.
2920                 gui->affected_track = gui->cwindow->calculate_affected_track();
2921                 gui->reset_affected();
2922
2923                 if(gui->affected_track)
2924                 {
2925                         if(gui->current_operation == CWINDOW_CAMERA)
2926                                 mwindow->undo->update_undo_before(_("camera"), this);
2927                         else
2928                                 mwindow->undo->update_undo_before(_("projector"), this);
2929
2930                         gui->current_operation =
2931                                 mwindow->edl->session->cwindow_operation;
2932                         gui->tool_panel->raise_window();
2933                         result = 1;
2934                 }
2935         }
2936
2937         return result;
2938 }
2939
2940
2941 int CWindowCanvas::test_zoom(int &redraw)
2942 {
2943         int result = 0;
2944         float zoom = get_zoom();
2945         float x;
2946         float y;
2947
2948         if(!mwindow->edl->session->cwindow_scrollbars)
2949         {
2950                 mwindow->edl->session->cwindow_scrollbars = 1;
2951                 zoom = 1.0;
2952                 x = mwindow->edl->session->output_w / 2;
2953                 y = mwindow->edl->session->output_h / 2;
2954                 x = x - w / zoom / 2;
2955                 y = y - h / zoom / 2;
2956         }
2957         else
2958         {
2959 // Cursor position relative to canvas
2960                 x = get_cursor_x();
2961                 y = get_cursor_y();
2962 // cursor position relative to output
2963                 float output_x = x;
2964                 float output_y = y;
2965                 canvas_to_output(mwindow->edl,
2966                                 0,
2967                                 output_x,
2968                                 output_y);
2969
2970 //printf("CWindowCanvas::test_zoom 1 %f %f\n", x, y);
2971
2972 // Find current zoom in table
2973                 int current_index = 0;
2974                 for(current_index = 0 ; current_index < total_zooms; current_index++)
2975                         if(EQUIV(my_zoom_table[current_index], zoom)) break;
2976
2977
2978 // Zoom out
2979                 if(get_buttonpress() == 5 ||
2980                         gui->ctrl_down() ||
2981                         gui->shift_down())
2982                 {
2983                         current_index--;
2984                 }
2985                 else
2986 // Zoom in
2987                 {
2988                         current_index++;
2989                 }
2990
2991                 CLAMP(current_index, 0, total_zooms - 1);
2992                 zoom = my_zoom_table[current_index];
2993
2994                 x = output_x - x / zoom;
2995                 y = output_y - y / zoom;
2996
2997
2998         }
2999
3000
3001
3002         int x_i = (int)x;
3003         int y_i = (int)y;
3004 //      check_boundaries(mwindow->edl, x_i, y_i, zoom);
3005
3006 //printf("CWindowCanvas::test_zoom 2 %d %d\n", x_i, y_i);
3007
3008         update_zoom(x_i,
3009                         y_i,
3010                         zoom);
3011         reposition_window(mwindow->edl,
3012                         mwindow->theme->ccanvas_x,
3013                         mwindow->theme->ccanvas_y,
3014                         mwindow->theme->ccanvas_w,
3015                         mwindow->theme->ccanvas_h);
3016         redraw = 1;
3017         result = 1;
3018
3019
3020         gui->zoom_panel->update(zoom);
3021
3022         return result;
3023 }
3024
3025
3026 void CWindowCanvas::calculate_origin()
3027 {
3028         gui->x_origin = get_cursor_x();
3029         gui->y_origin = get_cursor_y();
3030 //printf("CWindowCanvas::calculate_origin 1 %f %f\n", gui->x_origin, gui->y_origin);
3031         canvas_to_output(mwindow->edl, 0, gui->x_origin, gui->y_origin);
3032 //printf("CWindowCanvas::calculate_origin 2 %f %f\n", gui->x_origin, gui->y_origin);
3033 }
3034
3035
3036 int CWindowCanvas::cursor_leave_event()
3037 {
3038         set_cursor(ARROW_CURSOR);
3039         return 1;
3040 }
3041
3042 int CWindowCanvas::cursor_enter_event()
3043 {
3044         int redraw = 0;
3045         switch(mwindow->edl->session->cwindow_operation)
3046         {
3047                 case CWINDOW_CAMERA:
3048                 case CWINDOW_PROJECTOR:
3049                         set_cursor(MOVE_CURSOR);
3050                         break;
3051                 case CWINDOW_ZOOM:
3052                         set_cursor(MOVE_CURSOR);
3053                         break;
3054                 case CWINDOW_CROP:
3055                         test_crop(0, redraw);
3056                         break;
3057                 case CWINDOW_PROTECT:
3058                         set_cursor(ARROW_CURSOR);
3059                         break;
3060                 case CWINDOW_MASK:
3061                 case CWINDOW_RULER:
3062                         set_cursor(CROSS_CURSOR);
3063                         break;
3064                 case CWINDOW_EYEDROP:
3065                         set_cursor(CROSS_CURSOR);
3066                         break;
3067         }
3068         return 1;
3069 }
3070
3071 int CWindowCanvas::cursor_motion_event()
3072 {
3073         int redraw = 0, result = 0, rerender = 0, redraw_canvas = 0;
3074
3075
3076 //printf("CWindowCanvas::cursor_motion_event %d current_operation=%d\n", __LINE__, gui->current_operation);
3077         switch(gui->current_operation)
3078         {
3079                 case CWINDOW_SCROLL:
3080                 {
3081                         float zoom = get_zoom();
3082                         float cursor_x = get_cursor_x();
3083                         float cursor_y = get_cursor_y();
3084
3085                         float zoom_x, zoom_y, conformed_w, conformed_h;
3086                         get_zooms(mwindow->edl, 0, zoom_x, zoom_y, conformed_w, conformed_h);
3087                         cursor_x = (float)cursor_x / zoom_x + gui->x_offset;
3088                         cursor_y = (float)cursor_y / zoom_y + gui->y_offset;
3089
3090
3091
3092                         int x = (int)(gui->x_origin - cursor_x + gui->x_offset);
3093                         int y = (int)(gui->y_origin - cursor_y + gui->y_offset);
3094
3095                         update_zoom(x,
3096                                 y,
3097                                 zoom);
3098                         update_scrollbars(0);
3099                         redraw = 1;
3100                         result = 1;
3101                         break;
3102                 }
3103
3104                 case CWINDOW_RULER:
3105                         result = do_ruler(0, 1, 0, 0);
3106                         break;
3107
3108                 case CWINDOW_CAMERA:
3109                         result = test_bezier(0, redraw, redraw_canvas, rerender, 1);
3110                         break;
3111
3112                 case CWINDOW_PROJECTOR:
3113                         result = test_bezier(0, redraw, redraw_canvas, rerender, 0);
3114                         break;
3115
3116
3117                 case CWINDOW_CROP:
3118                         result = test_crop(0, redraw);
3119 // printf("CWindowCanvas::cursor_motion_event %d result=%d redraw=%d\n",
3120 // __LINE__,
3121 // result,
3122 // redraw);
3123                         break;
3124
3125                 case CWINDOW_MASK:
3126                 case CWINDOW_MASK_CONTROL_IN:
3127                 case CWINDOW_MASK_CONTROL_OUT:
3128                 case CWINDOW_MASK_TRANSLATE:
3129
3130                         result = do_mask(redraw,
3131                                 rerender,
3132                                 0,
3133                                 1,
3134                                 0);
3135                         break;
3136
3137                 case CWINDOW_EYEDROP:
3138                         result = do_eyedrop(rerender, 0, 0);
3139                         break;
3140
3141                 default:
3142                         break;
3143
3144         }
3145
3146
3147 // cursor font changes
3148         if(!result)
3149         {
3150 // printf("CWindowCanvas::cursor_motion_event %d cwindow_operation=%d\n",
3151 // __LINE__,
3152 // mwindow->edl->session->cwindow_operation);
3153                 switch(mwindow->edl->session->cwindow_operation)
3154                 {
3155                         case CWINDOW_CROP:
3156                                 result = test_crop(0, redraw);
3157                                 break;
3158                         case CWINDOW_RULER:
3159                                 result = do_ruler(0, 1, 0, 0);
3160                                 break;
3161                         case CWINDOW_MASK:
3162                                 result = do_mask(redraw,
3163                                         rerender,
3164                                         0,
3165                                         1,
3166                                         0);
3167                                         break;
3168                 }
3169         }
3170
3171
3172 // If the window is never unlocked before calling send_command the
3173 // display shouldn't get stuck on the old video frame although it will
3174 // flicker between the old video frame and the new video frame.
3175
3176         if(redraw)
3177         {
3178                 draw_refresh();
3179                 gui->update_tool();
3180         }
3181
3182         if(redraw_canvas)
3183         {
3184                 gui->unlock_window();
3185
3186
3187                 mwindow->gui->lock_window("CWindowCanvas::cursor_motion_event 1");
3188                 mwindow->gui->draw_overlays(1);
3189                 mwindow->gui->unlock_window();
3190
3191                 gui->lock_window("CWindowCanvas::cursor_motion_event 1");
3192         }
3193
3194         if(rerender)
3195         {
3196                 gui->unlock_window();
3197                 mwindow->restart_brender();
3198                 mwindow->sync_parameters(CHANGE_PARAMS);
3199                 gui->cwindow->playback_engine->que->send_command(CURRENT_FRAME,
3200                         CHANGE_NONE,
3201                         mwindow->edl,
3202                         1);
3203                 if(!redraw) gui->update_tool();
3204                 gui->lock_window("CWindowCanvas::cursor_motion_event 2");
3205         }
3206         return result;
3207 }
3208
3209 int CWindowCanvas::button_press_event()
3210 {
3211         int result = 0;
3212         int redraw = 0;
3213         int redraw_canvas = 0;
3214         int rerender = 0;
3215
3216         if(Canvas::button_press_event()) return 1;
3217
3218         gui->translating_zoom = gui->shift_down();
3219
3220         calculate_origin();
3221 //printf("CWindowCanvas::button_press_event 2 %f %f\n", gui->x_origin, gui->y_origin, gui->x_origin, gui->y_origin);
3222
3223         float zoom_x, zoom_y, conformed_w, conformed_h;
3224         get_zooms(mwindow->edl, 0, zoom_x, zoom_y, conformed_w, conformed_h);
3225         gui->x_offset = get_x_offset(mwindow->edl, 0, zoom_x, conformed_w, conformed_h);
3226         gui->y_offset = get_y_offset(mwindow->edl, 0, zoom_y, conformed_w, conformed_h);
3227
3228 // Scroll view
3229         if(get_buttonpress() == 2)
3230         {
3231                 gui->current_operation = CWINDOW_SCROLL;
3232                 result = 1;
3233         }
3234         else
3235 // Adjust parameter
3236         {
3237                 switch(mwindow->edl->session->cwindow_operation)
3238                 {
3239                         case CWINDOW_RULER:
3240                                 result = do_ruler(0, 0, 1, 0);
3241                                 break;
3242
3243                         case CWINDOW_CAMERA:
3244                                 result = test_bezier(1, redraw, redraw_canvas, rerender, 1);
3245                                 break;
3246
3247                         case CWINDOW_PROJECTOR:
3248                                 result = test_bezier(1, redraw, redraw_canvas, rerender, 0);
3249                                 break;
3250
3251                         case CWINDOW_ZOOM:
3252                                 result = test_zoom(redraw);
3253                                 break;
3254
3255                         case CWINDOW_CROP:
3256                                 result = test_crop(1, redraw);
3257                                 break;
3258
3259                         case CWINDOW_MASK:
3260                                 if(get_buttonpress() == 1)
3261                                         result = do_mask(redraw, rerender, 1, 0, 0);
3262                                 break;
3263
3264                         case CWINDOW_EYEDROP:
3265                                 result = do_eyedrop(rerender, 1, 0);
3266                                 break;
3267                 }
3268         }
3269
3270         if(redraw)
3271         {
3272                 draw_refresh();
3273                 gui->unlock_window();
3274
3275
3276                 mwindow->gui->lock_window("CWindowCanvas::button_press_event 1");
3277                 mwindow->gui->draw_overlays(1);
3278                 mwindow->gui->unlock_window();
3279                 gui->update_tool();
3280
3281                 gui->lock_window("CWindowCanvas::button_press_event 1");
3282         }
3283
3284 // rerendering can also be caused by press event
3285         if(rerender)
3286         {
3287                 gui->unlock_window();
3288
3289                 mwindow->restart_brender();
3290                 mwindow->sync_parameters(CHANGE_PARAMS);
3291                 gui->cwindow->playback_engine->que->send_command(CURRENT_FRAME,
3292                         CHANGE_NONE,
3293                         mwindow->edl,
3294                         1);
3295                 if(!redraw) gui->update_tool();
3296                 gui->lock_window("CWindowCanvas::button_press_event 2");
3297         }
3298         return result;
3299 }
3300
3301 int CWindowCanvas::button_release_event()
3302 {
3303         int result = 0;
3304
3305         switch(gui->current_operation)
3306         {
3307                 case CWINDOW_SCROLL:
3308                         result = 1;
3309                         break;
3310
3311                 case CWINDOW_RULER:
3312                         do_ruler(0, 0, 0, 1);
3313                         break;
3314
3315                 case CWINDOW_CAMERA:
3316                         mwindow->undo->update_undo_after(_("camera"), LOAD_AUTOMATION);
3317                         break;
3318
3319                 case CWINDOW_PROJECTOR:
3320                         mwindow->undo->update_undo_after(_("projector"), LOAD_AUTOMATION);
3321                         break;
3322
3323                 case CWINDOW_MASK:
3324                 case CWINDOW_MASK_CONTROL_IN:
3325                 case CWINDOW_MASK_CONTROL_OUT:
3326                 case CWINDOW_MASK_TRANSLATE:
3327 // Finish mask operation
3328                         gui->mask_keyframe = 0;
3329                         mwindow->undo->update_undo_after(_("mask"), LOAD_AUTOMATION);
3330                         break;
3331                 case CWINDOW_NONE:
3332                         result = Canvas::button_release_event();
3333                         break;
3334         }
3335
3336         gui->current_operation = CWINDOW_NONE;
3337         return result;
3338 }
3339
3340 void CWindowCanvas::zoom_resize_window(float percentage)
3341 {
3342         int canvas_w, canvas_h;
3343         int new_w, new_h;
3344
3345
3346 // Get required canvas size
3347         calculate_sizes(mwindow->edl->get_aspect_ratio(),
3348                 mwindow->edl->session->output_w,
3349                 mwindow->edl->session->output_h,
3350                 percentage,
3351                 canvas_w,
3352                 canvas_h);
3353
3354 // Estimate window size from current borders
3355         new_w = canvas_w + (gui->get_w() - mwindow->theme->ccanvas_w);
3356         new_h = canvas_h + (gui->get_h() - mwindow->theme->ccanvas_h);
3357
3358 //printf("CWindowCanvas::zoom_resize_window %d %d %d\n", __LINE__, new_w, new_h);
3359         mwindow->session->cwindow_w = new_w;
3360         mwindow->session->cwindow_h = new_h;
3361
3362         mwindow->theme->get_cwindow_sizes(gui,
3363                 mwindow->session->cwindow_controls);
3364
3365 // Estimate again from new borders
3366         new_w = canvas_w + (mwindow->session->cwindow_w - mwindow->theme->ccanvas_w);
3367         new_h = canvas_h + (mwindow->session->cwindow_h - mwindow->theme->ccanvas_h);
3368 //printf("CWindowCanvas::zoom_resize_window %d %d %d\n", __LINE__, new_w, new_h);
3369
3370         gui->resize_window(new_w, new_h);
3371         gui->resize_event(new_w, new_h);
3372 }
3373
3374 void CWindowCanvas::toggle_controls()
3375 {
3376         mwindow->session->cwindow_controls = !mwindow->session->cwindow_controls;
3377         gui->resize_event(gui->get_w(), gui->get_h());
3378 }
3379
3380 int CWindowCanvas::get_cwindow_controls()
3381 {
3382         return mwindow->session->cwindow_controls;
3383 }
3384
3385
3386