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 = affected_y = affected_z = 0;
  96         mask_keyframe = 0;
  97         orig_mask_keyframe = new MaskAuto(0, 0);
  98         affected_point = 0;
  99         x_offset = y_offset = 0;
 100         x_origin = y_origin = 0;
 101         current_operation = CWINDOW_NONE;
 102         tool_panel = 0;
 103         active = 0;
 104         inactive = 0;
 105         crop_handle = -1; crop_translate = 0;
 106         crop_origin_x = crop_origin_y = 0;
 107         crop_origin_x1 = crop_origin_y1 = 0;
 108         crop_origin_x2 = crop_origin_y2 = 0;
 109         eyedrop_visible = 0;
 110         eyedrop_x = eyedrop_y = 0;
 111         ruler_origin_x = ruler_origin_y = 0;
 112         ruler_handle = -1; ruler_translate = 0;
 113         center_x = center_y = center_z = 0;
 114         control_in_x = control_in_y = 0;
 115         control_out_x = control_out_y = 0;
 116         translating_zoom = 0;
 117         highlighted = 0;
 118 }
 119
 120 CWindowGUI::~CWindowGUI()
 121 {
 122         if(tool_panel) delete tool_panel;
 123         delete meters;
 124         delete composite_panel;
 125         delete canvas;
 126         delete transport;
 127         delete edit_panel;
 128         delete zoom_panel;
 129         delete active;
 130         delete inactive;
 131         delete orig_mask_keyframe;
 132 }
 133
 134 void CWindowGUI::create_objects()
 135 {
 136         lock_window("CWindowGUI::create_objects");
 137         set_icon(mwindow->theme->get_image("cwindow_icon"));
 138
 139         active = new BC_Pixmap(this, mwindow->theme->get_image("cwindow_active"));
 140         inactive = new BC_Pixmap(this, mwindow->theme->get_image("cwindow_inactive"));
 141
 142         mwindow->theme->get_cwindow_sizes(this, mwindow->session->cwindow_controls);
 143         mwindow->theme->draw_cwindow_bg(this);
 144         flash();
 145
 146 // Meters required by composite panel
 147         meters = new CWindowMeters(mwindow,
 148                 this,
 149                 mwindow->theme->cmeter_x,
 150                 mwindow->theme->cmeter_y,
 151                 mwindow->theme->cmeter_h);
 152         meters->create_objects();
 153
 154
 155         composite_panel = new CPanel(mwindow,
 156                 this,
 157                 mwindow->theme->ccomposite_x,
 158                 mwindow->theme->ccomposite_y,
 159                 mwindow->theme->ccomposite_w,
 160                 mwindow->theme->ccomposite_h);
 161         composite_panel->create_objects();
 162
 163         canvas = new CWindowCanvas(mwindow, this);
 164
 165         canvas->create_objects(mwindow->edl);
 166         canvas->use_cwindow();
 167
 168
 169         add_subwindow(timebar = new CTimeBar(mwindow,
 170                 this,
 171                 mwindow->theme->ctimebar_x,
 172                 mwindow->theme->ctimebar_y,
 173                 mwindow->theme->ctimebar_w,
 174                 mwindow->theme->ctimebar_h));
 175         timebar->create_objects();
 176
 177 #ifdef USE_SLIDER
 178         add_subwindow(slider = new CWindowSlider(mwindow,
 179                 cwindow,
 180                 mwindow->theme->cslider_x,
 181                 mwindow->theme->cslider_y,
 182                 mwindow->theme->cslider_w));
 183 #endif
 184
 185         transport = new CWindowTransport(mwindow,
 186                 this,
 187                 mwindow->theme->ctransport_x,
 188                 mwindow->theme->ctransport_y);
 189         transport->create_objects();
 190 #ifdef USE_SLIDER
 191         transport->set_slider(slider);
 192 #endif
 193
 194         edit_panel = new CWindowEditing(mwindow, cwindow);
 195         edit_panel->set_meters(meters);
 196         edit_panel->create_objects();
 197
 198 //      add_subwindow(clock = new MainClock(mwindow,
 199 //              mwindow->theme->ctime_x,
 200 //              mwindow->theme->ctime_y));
 201
 202         zoom_panel = new CWindowZoom(mwindow,
 203                 this,
 204                 mwindow->theme->czoom_x,
 205                 mwindow->theme->czoom_y,
 206                 mwindow->theme->czoom_w);
 207         zoom_panel->create_objects();
 208         zoom_panel->zoom_text->add_item(new BC_MenuItem(auto_zoom = _(AUTO_ZOOM)));
 209         if( !mwindow->edl->session->cwindow_scrollbars )
 210                 zoom_panel->set_text(auto_zoom);
 211
 212 //      destination = new CWindowDestination(mwindow,
 213 //              this,
 214 //              mwindow->theme->cdest_x,
 215 //              mwindow->theme->cdest_y);
 216 //      destination->create_objects();
 217
 218 // Must create after meter panel
 219         tool_panel = new CWindowTool(mwindow, this);
 220         tool_panel->Thread::start();
 221
 222
 223         set_operation(mwindow->edl->session->cwindow_operation);
 224
 225
 226
 227         canvas->draw_refresh(0);
 228
 229
 230         draw_status(0);
 231         unlock_window();
 232 }
 233
 234 int CWindowGUI::translation_event()
 235 {
 236         mwindow->session->cwindow_x = get_x();
 237         mwindow->session->cwindow_y = get_y();
 238         return 0;
 239 }
 240
 241 int CWindowGUI::resize_event(int w, int h)
 242 {
 243         mwindow->session->cwindow_x = get_x();
 244         mwindow->session->cwindow_y = get_y();
 245         mwindow->session->cwindow_w = w;
 246         mwindow->session->cwindow_h = h;
 247
 248         mwindow->theme->get_cwindow_sizes(this, mwindow->session->cwindow_controls);
 249         mwindow->theme->draw_cwindow_bg(this);
 250         flash(0);
 251
 252         composite_panel->reposition_buttons(mwindow->theme->ccomposite_x,
 253                 mwindow->theme->ccomposite_y, mwindow->theme->ccomposite_h);
 254
 255         canvas->reposition_window(mwindow->edl,
 256                 mwindow->theme->ccanvas_x,
 257                 mwindow->theme->ccanvas_y,
 258                 mwindow->theme->ccanvas_w,
 259                 mwindow->theme->ccanvas_h);
 260
 261         timebar->resize_event();
 262
 263 #ifdef USE_SLIDER
 264         slider->reposition_window(mwindow->theme->cslider_x,
 265                 mwindow->theme->cslider_y,
 266                 mwindow->theme->cslider_w);
 267 // Recalibrate pointer motion range
 268         slider->set_position();
 269 #endif
 270
 271         transport->reposition_buttons(mwindow->theme->ctransport_x,
 272                 mwindow->theme->ctransport_y);
 273
 274         edit_panel->reposition_buttons(mwindow->theme->cedit_x,
 275                 mwindow->theme->cedit_y);
 276
 277 //      clock->reposition_window(mwindow->theme->ctime_x,
 278 //              mwindow->theme->ctime_y);
 279
 280         zoom_panel->reposition_window(mwindow->theme->czoom_x,
 281                 mwindow->theme->czoom_y);
 282
 283 //      destination->reposition_window(mwindow->theme->cdest_x,
 284 //              mwindow->theme->cdest_y);
 285
 286         meters->reposition_window(mwindow->theme->cmeter_x,
 287                 mwindow->theme->cmeter_y,
 288                 -1,
 289                 mwindow->theme->cmeter_h);
 290
 291         draw_status(0);
 292
 293         BC_WindowBase::resize_event(w, h);
 294         return 1;
 295 }
 296
 297 int CWindowGUI::button_press_event()
 298 {
 299         if(canvas->get_canvas())
 300                 return canvas->button_press_event_base(canvas->get_canvas());
 301         return 0;
 302 }
 303
 304 int CWindowGUI::cursor_leave_event()
 305 {
 306         if(canvas->get_canvas())
 307                 return canvas->cursor_leave_event_base(canvas->get_canvas());
 308         return 0;
 309 }
 310
 311 int CWindowGUI::cursor_enter_event()
 312 {
 313         if(canvas->get_canvas())
 314                 return canvas->cursor_enter_event_base(canvas->get_canvas());
 315         return 0;
 316 }
 317
 318 int CWindowGUI::button_release_event()
 319 {
 320         if(canvas->get_canvas())
 321                 return canvas->button_release_event();
 322         return 0;
 323 }
 324
 325 int CWindowGUI::cursor_motion_event()
 326 {
 327         if(canvas->get_canvas())
 328         {
 329                 canvas->get_canvas()->unhide_cursor();
 330                 return canvas->cursor_motion_event();
 331         }
 332         return 0;
 333 }
 334
 335
 336
 337
 338
 339
 340
 341 void CWindowGUI::draw_status(int flush)
 342 {
 343         if( (canvas->get_canvas() && canvas->get_canvas()->get_video_on()) ||
 344                 canvas->is_processing )
 345         {
 346                 draw_pixmap(active,
 347                         mwindow->theme->cstatus_x,
 348                         mwindow->theme->cstatus_y);
 349         }
 350         else
 351         {
 352                 draw_pixmap(inactive,
 353                         mwindow->theme->cstatus_x,
 354                         mwindow->theme->cstatus_y);
 355         }
 356
 357
 358 // printf("CWindowGUI::draw_status %d %d %d\n", __LINE__, mwindow->theme->cstatus_x,
 359 //              mwindow->theme->cstatus_y);
 360         flash(mwindow->theme->cstatus_x,
 361                 mwindow->theme->cstatus_y,
 362                 active->get_w(),
 363                 active->get_h(),
 364                 flush);
 365 }
 366
 367 float CWindowGUI::get_auto_zoom()
 368 {
 369         float conformed_w, conformed_h;
 370         mwindow->edl->calculate_conformed_dimensions(0, conformed_w, conformed_h);
 371         float zoom_x = canvas->w / conformed_w;
 372         float zoom_y = canvas->h / conformed_h;
 373         return zoom_x < zoom_y ? zoom_x : zoom_y;
 374 }
 375
 376 void CWindowGUI::zoom_canvas(double value, int update_menu)
 377 {
 378         float x = 0, y = 0;
 379         float zoom = !value ? get_auto_zoom() : value;
 380         mwindow->edl->session->cwindow_scrollbars = !value ? 0 : 1;
 381         if( value ) {
 382                 float cx = canvas->get_xscroll() + 0.5f*canvas->w_visible;
 383                 float cy = canvas->get_yscroll() + 0.5f*canvas->h_visible;
 384                 float output_x = cx, output_y = cy;
 385                 canvas->output_to_canvas(mwindow->edl, 0, cx, cy);
 386                 x = output_x - cx / zoom;
 387                 y = output_y - cy / zoom;
 388         }
 389         canvas->update_zoom((int)x, (int)y, zoom);
 390
 391         if( update_menu )
 392                 zoom_panel->update(value);
 393         if( mwindow->edl->session->cwindow_operation == CWINDOW_ZOOM )
 394                 composite_panel->cpanel_zoom->update(zoom);
 395
 396         canvas->reposition_window(mwindow->edl,
 397                 mwindow->theme->ccanvas_x, mwindow->theme->ccanvas_y,
 398                 mwindow->theme->ccanvas_w, mwindow->theme->ccanvas_h);
 399         canvas->draw_refresh();
 400 }
 401
 402
 403
 404 void CWindowGUI::set_operation(int value)
 405 {
 406         mwindow->edl->session->cwindow_operation = value;
 407
 408         composite_panel->set_operation(value);
 409         edit_panel->update();
 410
 411         tool_panel->start_tool(value);
 412         canvas->draw_refresh();
 413 }
 414
 415 void CWindowGUI::update_tool()
 416 {
 417         tool_panel->update_values();
 418 }
 419
 420 int CWindowGUI::close_event()
 421 {
 422         cwindow->hide_window();
 423         return 1;
 424 }
 425
 426
 427 int CWindowGUI::keypress_event()
 428 {
 429         int result = 0;
 430
 431         switch(get_keypress())
 432         {
 433                 case 'w':
 434                 case 'W':
 435                         close_event();
 436                         result = 1;
 437                         break;
 438                 case '+':
 439                 case '=':
 440                         keyboard_zoomin();
 441                         result = 1;
 442                         break;
 443                 case '-':
 444                         keyboard_zoomout();
 445                         result = 1;
 446                         break;
 447                 case 'f':
 448                         unlock_window();
 449                         if(mwindow->session->cwindow_fullscreen)
 450                                 canvas->stop_fullscreen();
 451                         else
 452                                 canvas->start_fullscreen();
 453                         lock_window("CWindowGUI::keypress_event 1");
 454                         break;
 455                 case 'x':
 456                         unlock_window();
 457                         mwindow->gui->lock_window("CWindowGUI::keypress_event 2");
 458                         mwindow->cut();
 459                         mwindow->gui->unlock_window();
 460                         lock_window("CWindowGUI::keypress_event 2");
 461                         break;
 462                 case DELETE:
 463                         unlock_window();
 464                         mwindow->gui->lock_window("CWindowGUI::keypress_event 2");
 465                         mwindow->clear_entry();
 466                         mwindow->gui->unlock_window();
 467                         lock_window("CWindowGUI::keypress_event 3");
 468                         break;
 469                 case ESC:
 470                         unlock_window();
 471                         if(mwindow->session->cwindow_fullscreen)
 472                                 canvas->stop_fullscreen();
 473                         lock_window("CWindowGUI::keypress_event 4");
 474                         break;
 475                 case LEFT:
 476                         if(!ctrl_down())
 477                         {
 478                                 if (alt_down())
 479                                 {
 480                                         int shift_down = this->shift_down();
 481                                         unlock_window();
 482                                         mwindow->gui->mbuttons->transport->handle_transport(STOP, 1, 0, 0);
 483
 484                                         mwindow->gui->lock_window("CWindowGUI::keypress_event 2");
 485                                         mwindow->prev_edit_handle(shift_down);
 486                                         mwindow->gui->unlock_window();
 487
 488                                         lock_window("CWindowGUI::keypress_event 1");
 489                                 }
 490                                 else
 491                                 {
 492                                         unlock_window();
 493
 494                                         mwindow->gui->lock_window("CWindowGUI::keypress_event 3");
 495                                         mwindow->move_left();
 496                                         mwindow->gui->unlock_window();
 497
 498                                         lock_window("CWindowGUI::keypress_event 2");
 499                                 }
 500                                 result = 1;
 501                         }
 502                         break;
 503                 case RIGHT:
 504                         if(!ctrl_down())
 505                         {
 506                                 if (alt_down())
 507                                 {
 508                                         int shift_down = this->shift_down();
 509                                         unlock_window();
 510                                         mwindow->gui->mbuttons->transport->handle_transport(STOP, 1, 0, 0);
 511
 512                                         mwindow->gui->lock_window("CWindowGUI::keypress_event 2");
 513                                         mwindow->next_edit_handle(shift_down);
 514                                         mwindow->gui->unlock_window();
 515
 516                                         lock_window("CWindowGUI::keypress_event 2");
 517                                 }
 518                                 else
 519                                 {
 520                                         unlock_window();
 521
 522                                         mwindow->gui->lock_window("CWindowGUI::keypress_event 4");
 523                                         mwindow->move_right();
 524                                         mwindow->gui->unlock_window();
 525
 526                                         lock_window("CWindowGUI::keypress_event 3");
 527                                 }
 528                                 result = 1;
 529                         }
 530                         break;
 531         }
 532
 533         if(!result) result = transport->keypress_event();
 534
 535         return result;
 536 }
 537
 538
 539 void CWindowGUI::reset_affected()
 540 {
 541         affected_x = 0;
 542         affected_y = 0;
 543         affected_z = 0;
 544 }
 545
 546 void CWindowGUI::keyboard_zoomin()
 547 {
 548 //      if(mwindow->edl->session->cwindow_scrollbars)
 549 //      {
 550                 zoom_panel->zoom_tumbler->handle_up_event();
 551 //      }
 552 //      else
 553 //      {
 554 //      }
 555 }
 556
 557 void CWindowGUI::keyboard_zoomout()
 558 {
 559 //      if(mwindow->edl->session->cwindow_scrollbars)
 560 //      {
 561                 zoom_panel->zoom_tumbler->handle_down_event();
 562 //      }
 563 //      else
 564 //      {
 565 //      }
 566 }
 567
 568
 569 void CWindowGUI::drag_motion()
 570 {
 571         if(get_hidden()) return;
 572
 573         if(mwindow->session->current_operation != DRAG_ASSET &&
 574                 mwindow->session->current_operation != DRAG_VTRANSITION &&
 575                 mwindow->session->current_operation != DRAG_VEFFECT) return;
 576         int need_highlight = cursor_above() && get_cursor_over_window();
 577         if( highlighted == need_highlight ) return;
 578         highlighted = need_highlight;
 579         canvas->draw_refresh();
 580 }
 581
 582 int CWindowGUI::drag_stop()
 583 {
 584         int result = 0;
 585         if(get_hidden()) return 0;
 586         if( !highlighted ) return 0;
 587         if( mwindow->session->current_operation != DRAG_ASSET &&
 588             mwindow->session->current_operation != DRAG_VTRANSITION &&
 589             mwindow->session->current_operation != DRAG_VEFFECT) return 0;
 590         highlighted = 0;
 591         canvas->draw_refresh();
 592         result = 1;
 593
 594         if(mwindow->session->current_operation == DRAG_ASSET)
 595         {
 596                 if(mwindow->session->drag_assets->total ||
 597                         mwindow->session->drag_clips->total)
 598                 {
 599                         mwindow->gui->lock_window("CWindowGUI::drag_stop 5");
 600                         mwindow->undo->update_undo_before(_("insert assets"), 0);
 601                         mwindow->gui->unlock_window();
 602                 }
 603
 604                 if(mwindow->session->drag_assets->total)
 605                 {
 606                         mwindow->gui->lock_window("CWindowGUI::drag_stop 1");
 607                         mwindow->clear(0);
 608                         mwindow->load_assets(mwindow->session->drag_assets,
 609                                 mwindow->edl->local_session->get_selectionstart(),
 610                                 LOADMODE_PASTE,
 611                                 mwindow->session->track_highlighted,
 612                                 0,
 613                                 mwindow->edl->session->labels_follow_edits,
 614                                 mwindow->edl->session->plugins_follow_edits,
 615                                 mwindow->edl->session->autos_follow_edits,
 616                                 0); // overwrite
 617                 }
 618
 619                 if(mwindow->session->drag_clips->total)
 620                 {
 621                         mwindow->gui->lock_window("CWindowGUI::drag_stop 2");
 622                         mwindow->clear(0);
 623                         mwindow->paste_edls(mwindow->session->drag_clips,
 624                                 LOADMODE_PASTE,
 625                                 mwindow->session->track_highlighted,
 626                                 mwindow->edl->local_session->get_selectionstart(),
 627                                 mwindow->edl->session->labels_follow_edits,
 628                                 mwindow->edl->session->plugins_follow_edits,
 629                                 mwindow->edl->session->autos_follow_edits,
 630                                 0); // overwrite
 631                 }
 632
 633                 if(mwindow->session->drag_assets->total ||
 634                         mwindow->session->drag_clips->total)
 635                 {
 636                         mwindow->save_backup();
 637                         mwindow->restart_brender();
 638                         mwindow->gui->update(1, 1, 1, 1, 0, 1, 0);
 639                         mwindow->undo->update_undo_after(_("insert assets"), LOAD_ALL);
 640                         mwindow->gui->unlock_window();
 641                         mwindow->sync_parameters(LOAD_ALL);
 642                 }
 643         }
 644
 645         if(mwindow->session->current_operation == DRAG_VEFFECT)
 646         {
 647 //printf("CWindowGUI::drag_stop 1\n");
 648                 Track *affected_track = cwindow->calculate_affected_track();
 649 //printf("CWindowGUI::drag_stop 2\n");
 650
 651                 mwindow->gui->lock_window("CWindowGUI::drag_stop 3");
 652                 mwindow->insert_effects_cwindow(affected_track);
 653                 mwindow->session->current_operation = NO_OPERATION;
 654                 mwindow->gui->unlock_window();
 655         }
 656
 657         if(mwindow->session->current_operation == DRAG_VTRANSITION)
 658         {
 659                 Track *affected_track = cwindow->calculate_affected_track();
 660                 mwindow->gui->lock_window("CWindowGUI::drag_stop 4");
 661                 mwindow->paste_transition_cwindow(affected_track);
 662                 mwindow->session->current_operation = NO_OPERATION;
 663                 mwindow->gui->unlock_window();
 664         }
 665
 666         return result;
 667 }
 668
 669 void CWindowGUI::update_meters()
 670 {
 671         if(mwindow->edl->session->cwindow_meter != meters->visible)
 672         {
 673                 meters->set_meters(meters->meter_count, mwindow->edl->session->cwindow_meter);
 674                 mwindow->theme->get_cwindow_sizes(this, mwindow->session->cwindow_controls);
 675                 resize_event(get_w(), get_h());
 676         }
 677 }
 678
 679
 680 CWindowEditing::CWindowEditing(MWindow *mwindow, CWindow *cwindow)
 681  : EditPanel(mwindow,
 682                 cwindow->gui,
 683                 mwindow->theme->cedit_x,
 684                 mwindow->theme->cedit_y,
 685                 mwindow->edl->session->editing_mode,
 686                 0,
 687                 1,
 688                 0,
 689                 0,
 690                 1,
 691                 1,
 692                 1,
 693                 1,
 694                 1,
 695                 0,
 696                 0, // locklabels
 697                 1,
 698                 1,
 699                 1,
 700                 0,
 701                 1,
 702                 0)
 703 {
 704         this->mwindow = mwindow;
 705         this->cwindow = cwindow;
 706 }
 707
 708 #define CWrapper(fn) void CWindowEditing::fn() { \
 709         mwindow->gui->lock_window("CWrapper::" #fn); \
 710         EditPanel::fn(); \
 711         mwindow->gui->unlock_window(); \
 712 }
 713
 714 CWrapper(copy_selection)
 715 CWrapper(splice_selection)
 716 CWrapper(overwrite_selection)
 717 CWrapper(set_inpoint)
 718 CWrapper(set_outpoint)
 719 CWrapper(clear_inpoint)
 720 CWrapper(clear_outpoint)
 721 CWrapper(toggle_label)
 722 CWrapper(prev_label)
 723 CWrapper(next_label)
 724 CWrapper(prev_edit)
 725 CWrapper(next_edit)
 726
 727 void CWindowEditing::to_clip()
 728 {
 729         mwindow->to_clip(mwindow->edl, _("composer window: "));
 730 }
 731
 732
 733 CWindowMeters::CWindowMeters(MWindow *mwindow,
 734         CWindowGUI *gui,
 735         int x,
 736         int y,
 737         int h)
 738  : MeterPanel(mwindow,
 739                 gui,
 740                 x,
 741                 y,
 742                 -1,
 743                 h,
 744                 mwindow->edl->session->audio_channels,
 745                 mwindow->edl->session->cwindow_meter,
 746                 0,
 747                 0)
 748 {
 749         this->mwindow = mwindow;
 750         this->gui = gui;
 751 }
 752
 753 CWindowMeters::~CWindowMeters()
 754 {
 755 }
 756
 757 int CWindowMeters::change_status_event(int new_status)
 758 {
 759         mwindow->edl->session->cwindow_meter = new_status;
 760         gui->update_meters();
 761         return 1;
 762 }
 763
 764
 765
 766
 767 CWindowZoom::CWindowZoom(MWindow *mwindow, CWindowGUI *gui, int x, int y, int w)
 768  : ZoomPanel(mwindow, gui, (double)mwindow->edl->session->cwindow_zoom,
 769         x, y, w, my_zoom_table, total_zooms, ZOOM_PERCENTAGE)
 770 {
 771         this->mwindow = mwindow;
 772         this->gui = gui;
 773 }
 774
 775 CWindowZoom::~CWindowZoom()
 776 {
 777 }
 778
 779 void CWindowZoom::update(double value)
 780 {
 781         char string[BCSTRLEN];
 782         const char *cp = string;
 783         if( value ) {
 784                 this->value = value;
 785                 int frac = value >= 1.0f ? 1 :
 786                            value >= 0.1f ? 2 :
 787                            value >= .01f ? 3 : 4;
 788                 sprintf(string, "x %.*f", frac, value);
 789         }
 790         else
 791                 cp = gui->auto_zoom;
 792         ZoomPanel::update(cp);
 793 }
 794
 795 int CWindowZoom::handle_event()
 796 {
 797         double value = !strcasecmp(gui->auto_zoom, get_text()) ? 0 : get_value();
 798         gui->zoom_canvas(value, 0);
 799         return 1;
 800 }
 801
 802
 803
 804 #ifdef USE_SLIDER
 805 CWindowSlider::CWindowSlider(MWindow *mwindow, CWindow *cwindow, int x, int y, int pixels)
 806  : BC_PercentageSlider(x,
 807                         y,
 808                         0,
 809                         pixels,
 810                         pixels,
 811                         0,
 812                         1,
 813                         0)
 814 {
 815         this->mwindow = mwindow;
 816         this->cwindow = cwindow;
 817         set_precision(0.00001);
 818 }
 819
 820 CWindowSlider::~CWindowSlider()
 821 {
 822 }
 823
 824 int CWindowSlider::handle_event()
 825 {
 826         cwindow->update_position((double)get_value());
 827         return 1;
 828 }
 829
 830 void CWindowSlider::set_position()
 831 {
 832         double new_length = mwindow->edl->tracks->total_playable_length();
 833 //      if(mwindow->edl->local_session->preview_end <= 0 ||
 834 //              mwindow->edl->local_session->preview_end > new_length)
 835 //              mwindow->edl->local_session->preview_end = new_length;
 836 //      if(mwindow->edl->local_session->preview_start >
 837 //              mwindow->edl->local_session->preview_end)
 838 //              mwindow->edl->local_session->preview_start = 0;
 839
 840
 841         update(mwindow->theme->cslider_w,
 842                 mwindow->edl->local_session->get_selectionstart(1),
 843                 0,
 844                 new_length);
 845 //              mwindow->edl->local_session->preview_start,
 846 //              mwindow->edl->local_session->preview_end);
 847 }
 848
 849
 850 int CWindowSlider::increase_value()
 851 {
 852         unlock_window();
 853         cwindow->gui->transport->handle_transport(SINGLE_FRAME_FWD);
 854         lock_window("CWindowSlider::increase_value");
 855         return 1;
 856 }
 857
 858 int CWindowSlider::decrease_value()
 859 {
 860         unlock_window();
 861         cwindow->gui->transport->handle_transport(SINGLE_FRAME_REWIND);
 862         lock_window("CWindowSlider::decrease_value");
 863         return 1;
 864 }
 865
 866
 867 // CWindowDestination::CWindowDestination(MWindow *mwindow, CWindowGUI *cwindow, int x, int y)
 868 //  : BC_PopupTextBox(cwindow,
 869 //      &cwindow->destinations,
 870 //      cwindow->destinations.values[cwindow->cwindow->destination]->get_text(),
 871 //      x,
 872 //      y,
 873 //      70,
 874 //      200)
 875 // {
 876 //      this->mwindow = mwindow;
 877 //      this->cwindow = cwindow;
 878 // }
 879 //
 880 // CWindowDestination::~CWindowDestination()
 881 // {
 882 // }
 883 //
 884 // int CWindowDestination::handle_event()
 885 // {
 886 //      return 1;
 887 // }
 888 #endif // USE_SLIDER
 889
 890
 891
 892
 893
 894
 895 CWindowTransport::CWindowTransport(MWindow *mwindow,
 896         CWindowGUI *gui,
 897         int x,
 898         int y)
 899  : PlayTransport(mwindow,
 900         gui,
 901         x,
 902         y)
 903 {
 904         this->gui = gui;
 905 }
 906
 907 EDL* CWindowTransport::get_edl()
 908 {
 909         return mwindow->edl;
 910 }
 911
 912 void CWindowTransport::goto_start()
 913 {
 914         gui->unlock_window();
 915         handle_transport(REWIND, 1);
 916
 917         mwindow->gui->lock_window("CWindowTransport::goto_start 1");
 918         mwindow->goto_start();
 919         mwindow->gui->unlock_window();
 920
 921         gui->lock_window("CWindowTransport::goto_start 2");
 922 }
 923
 924 void CWindowTransport::goto_end()
 925 {
 926         gui->unlock_window();
 927         handle_transport(GOTO_END, 1);
 928
 929         mwindow->gui->lock_window("CWindowTransport::goto_end 1");
 930         mwindow->goto_end();
 931         mwindow->gui->unlock_window();
 932
 933         gui->lock_window("CWindowTransport::goto_end 2");
 934 }
 935
 936
 937
 938 CWindowCanvas::CWindowCanvas(MWindow *mwindow, CWindowGUI *gui)
 939  : Canvas(mwindow,
 940         gui,
 941         mwindow->theme->ccanvas_x,
 942         mwindow->theme->ccanvas_y,
 943         mwindow->theme->ccanvas_w,
 944         mwindow->theme->ccanvas_h,
 945         0,
 946         0,
 947         mwindow->edl->session->cwindow_scrollbars)
 948 {
 949         this->mwindow = mwindow;
 950         this->gui = gui;
 951 }
 952
 953 void CWindowCanvas::status_event()
 954 {
 955         gui->draw_status(1);
 956 }
 957
 958 int CWindowCanvas::get_fullscreen()
 959 {
 960         return mwindow->session->cwindow_fullscreen;
 961 }
 962
 963 void CWindowCanvas::set_fullscreen(int value)
 964 {
 965         mwindow->session->cwindow_fullscreen = value;
 966 }
 967
 968
 969 void CWindowCanvas::update_zoom(int x, int y, float zoom)
 970 {
 971         use_scrollbars = mwindow->edl->session->cwindow_scrollbars;
 972
 973         mwindow->edl->session->cwindow_xscroll = x;
 974         mwindow->edl->session->cwindow_yscroll = y;
 975         mwindow->edl->session->cwindow_zoom = zoom;
 976 }
 977
 978 void CWindowCanvas::zoom_auto()
 979 {
 980         gui->zoom_canvas(0, 1);
 981 }
 982
 983 int CWindowCanvas::get_xscroll()
 984 {
 985         return mwindow->edl->session->cwindow_xscroll;
 986 }
 987
 988 int CWindowCanvas::get_yscroll()
 989 {
 990         return mwindow->edl->session->cwindow_yscroll;
 991 }
 992
 993
 994 float CWindowCanvas::get_zoom()
 995 {
 996         return mwindow->edl->session->cwindow_zoom;
 997 }
 998
 999 void CWindowCanvas::draw_refresh(int flush)
1000 {
1001         if(get_canvas() && !get_canvas()->get_video_on())
1002         {
1003
1004                 if(refresh_frame && refresh_frame->get_w()>0 && refresh_frame->get_h()>0)
1005                 {
1006                         float in_x1, in_y1, in_x2, in_y2;
1007                         float out_x1, out_y1, out_x2, out_y2;
1008                         get_transfers(mwindow->edl,
1009                                 in_x1,
1010                                 in_y1,
1011                                 in_x2,
1012                                 in_y2,
1013                                 out_x1,
1014                                 out_y1,
1015                                 out_x2,
1016                                 out_y2);
1017
1018                         if(!EQUIV(out_x1, 0) ||
1019                                 !EQUIV(out_y1, 0) ||
1020                                 !EQUIV(out_x2, get_canvas()->get_w()) ||
1021                                 !EQUIV(out_y2, get_canvas()->get_h()))
1022                         {
1023                                 get_canvas()->clear_box(0,
1024                                         0,
1025                                         get_canvas()->get_w(),
1026                                         get_canvas()->get_h());
1027                         }
1028
1029 //printf("CWindowCanvas::draw_refresh %.2f %.2f %.2f %.2f -> %.2f %.2f %.2f %.2f\n",
1030 //in_x1, in_y1, in_x2, in_y2, out_x1, out_y1, out_x2, out_y2);
1031
1032
1033                         if(out_x2 > out_x1 &&
1034                                 out_y2 > out_y1 &&
1035                                 in_x2 > in_x1 &&
1036                                 in_y2 > in_y1)
1037                         {
1038 // Can't use OpenGL here because it is called asynchronously of the
1039 // playback operation.
1040                                 get_canvas()->draw_vframe(refresh_frame,
1041                                                 (int)out_x1,
1042                                                 (int)out_y1,
1043                                                 (int)(out_x2 - out_x1),
1044                                                 (int)(out_y2 - out_y1),
1045                                                 (int)in_x1,
1046                                                 (int)in_y1,
1047                                                 (int)(in_x2 - in_x1),
1048                                                 (int)(in_y2 - in_y1),
1049                                                 0);
1050                         }
1051                 }
1052                 else
1053                 {
1054                         get_canvas()->clear_box(0,
1055                                 0,
1056                                 get_canvas()->get_w(),
1057                                 get_canvas()->get_h());
1058                 }
1059
1060                 draw_overlays();
1061                 get_canvas()->flash(flush);
1062         }
1063 //printf("CWindowCanvas::draw_refresh 10\n");
1064 }
1065
1066 #define CROPHANDLE_W 10
1067 #define CROPHANDLE_H 10
1068
1069 void CWindowCanvas::draw_crophandle(int x, int y)
1070 {
1071         get_canvas()->draw_box(x, y, CROPHANDLE_W, CROPHANDLE_H);
1072 }
1073
1074
1075
1076
1077
1078
1079 #define CONTROL_W 10
1080 #define CONTROL_H 10
1081 #define FIRST_CONTROL_W 20
1082 #define FIRST_CONTROL_H 20
1083 #undef BC_INFINITY
1084 #define BC_INFINITY 65536
1085
1086 #define RULERHANDLE_W 16
1087 #define RULERHANDLE_H 16
1088
1089
1090
1091 int CWindowCanvas::do_ruler(int draw,
1092         int motion,
1093         int button_press,
1094         int button_release)
1095 {
1096         int result = 0;
1097         float x1 = mwindow->edl->session->ruler_x1;
1098         float y1 = mwindow->edl->session->ruler_y1;
1099         float x2 = mwindow->edl->session->ruler_x2;
1100         float y2 = mwindow->edl->session->ruler_y2;
1101         float canvas_x1 = x1;
1102         float canvas_y1 = y1;
1103         float canvas_x2 = x2;
1104         float canvas_y2 = y2;
1105         float output_x = get_cursor_x();
1106         float output_y = get_cursor_y();
1107         float canvas_cursor_x = output_x;
1108         float canvas_cursor_y = output_y;
1109
1110         canvas_to_output(mwindow->edl, 0, output_x, output_y);
1111         output_to_canvas(mwindow->edl, 0, canvas_x1, canvas_y1);
1112         output_to_canvas(mwindow->edl, 0, canvas_x2, canvas_y2);
1113         mwindow->session->cwindow_output_x = roundf(output_x);
1114         mwindow->session->cwindow_output_y = roundf(output_y);
1115
1116         if(button_press && get_buttonpress() == 1)
1117         {
1118                 gui->ruler_handle = -1;
1119                 gui->ruler_translate = 0;
1120                 if(gui->alt_down())
1121                 {
1122                         gui->ruler_translate = 1;
1123                         gui->ruler_origin_x = x1;
1124                         gui->ruler_origin_y = y1;
1125                 }
1126                 else
1127                 if(canvas_cursor_x >= canvas_x1 - RULERHANDLE_W / 2 &&
1128                         canvas_cursor_x < canvas_x1 + RULERHANDLE_W / 2 &&
1129                         canvas_cursor_y >= canvas_y1 - RULERHANDLE_W &&
1130                         canvas_cursor_y < canvas_y1 + RULERHANDLE_H / 2)
1131                 {
1132                         gui->ruler_handle = 0;
1133                         gui->ruler_origin_x = x1;
1134                         gui->ruler_origin_y = y1;
1135                 }
1136                 else
1137                 if(canvas_cursor_x >= canvas_x2 - RULERHANDLE_W / 2 &&
1138                         canvas_cursor_x < canvas_x2 + RULERHANDLE_W / 2 &&
1139                         canvas_cursor_y >= canvas_y2 - RULERHANDLE_W &&
1140                         canvas_cursor_y < canvas_y2 + RULERHANDLE_H / 2)
1141                 {
1142                         gui->ruler_handle = 1;
1143                         gui->ruler_origin_x = x2;
1144                         gui->ruler_origin_y = y2;
1145                 }
1146
1147
1148 // Start new selection
1149                 if(!gui->ruler_translate &&
1150                         (gui->ruler_handle < 0 ||
1151                         (EQUIV(x2, x1) &&
1152                         EQUIV(y2, y1))))
1153                 {
1154 // Hide previous
1155                         do_ruler(1, 0, 0, 0);
1156                         get_canvas()->flash();
1157                         gui->ruler_handle = 1;
1158                         mwindow->edl->session->ruler_x1 = output_x;
1159                         mwindow->edl->session->ruler_y1 = output_y;
1160                         mwindow->edl->session->ruler_x2 = output_x;
1161                         mwindow->edl->session->ruler_y2 = output_y;
1162                         gui->ruler_origin_x = mwindow->edl->session->ruler_x2;
1163                         gui->ruler_origin_y = mwindow->edl->session->ruler_y2;
1164                 }
1165
1166                 gui->x_origin = output_x;
1167                 gui->y_origin = output_y;
1168                 gui->current_operation = CWINDOW_RULER;
1169                 gui->tool_panel->raise_window();
1170                 result = 1;
1171         }
1172
1173         if(motion)
1174         {
1175                 if(gui->current_operation == CWINDOW_RULER)
1176                 {
1177                         if(gui->ruler_translate)
1178                         {
1179 // Hide ruler
1180                                 do_ruler(1, 0, 0, 0);
1181                                 float x_difference = mwindow->edl->session->ruler_x1;
1182                                 float y_difference = mwindow->edl->session->ruler_y1;
1183                                 mwindow->edl->session->ruler_x1 = output_x - gui->x_origin + gui->ruler_origin_x;
1184                                 mwindow->edl->session->ruler_y1 = output_y - gui->y_origin + gui->ruler_origin_y;
1185                                 x_difference -= mwindow->edl->session->ruler_x1;
1186                                 y_difference -= mwindow->edl->session->ruler_y1;
1187                                 mwindow->edl->session->ruler_x2 -= x_difference;
1188                                 mwindow->edl->session->ruler_y2 -= y_difference;
1189 // Show ruler
1190                                 do_ruler(1, 0, 0, 0);
1191                                 get_canvas()->flash();
1192                                 gui->update_tool();
1193                         }
1194                         else
1195                         switch(gui->ruler_handle)
1196                         {
1197                                 case 0:
1198                                         do_ruler(1, 0, 0, 0);
1199                                         mwindow->edl->session->ruler_x1 = output_x - gui->x_origin + gui->ruler_origin_x;
1200                                         mwindow->edl->session->ruler_y1 = output_y - gui->y_origin + gui->ruler_origin_y;
1201                                         if(gui->alt_down() || gui->ctrl_down())
1202                                         {
1203                                                 double angle_value = fabs(atan((mwindow->edl->session->ruler_y2 - mwindow->edl->session->ruler_y1) /
1204                                                         (mwindow->edl->session->ruler_x2 - mwindow->edl->session->ruler_x1)) *
1205                                                         360 /
1206                                                         2 /
1207                                                         M_PI);
1208                                                 double distance_value =
1209                                                         sqrt(SQR(mwindow->edl->session->ruler_x2 - mwindow->edl->session->ruler_x1) +
1210                                                         SQR(mwindow->edl->session->ruler_y2 - mwindow->edl->session->ruler_y1));
1211                                                 if(angle_value < 22)
1212                                                         mwindow->edl->session->ruler_y1 = mwindow->edl->session->ruler_y2;
1213                                                 else
1214                                                 if(angle_value > 67)
1215                                                         mwindow->edl->session->ruler_x1 = mwindow->edl->session->ruler_x2;
1216                                                 else
1217                                                 if(mwindow->edl->session->ruler_x1 < mwindow->edl->session->ruler_x2 &&
1218                                                         mwindow->edl->session->ruler_y1 < mwindow->edl->session->ruler_y2)
1219                                                 {
1220                                                         mwindow->edl->session->ruler_x1 = mwindow->edl->session->ruler_x2 - distance_value / 1.414214;
1221                                                         mwindow->edl->session->ruler_y1 = mwindow->edl->session->ruler_y2 - distance_value / 1.414214;
1222                                                 }
1223                                                 else
1224                                                 if(mwindow->edl->session->ruler_x1 < mwindow->edl->session->ruler_x2 && mwindow->edl->session->ruler_y1 > mwindow->edl->session->ruler_y2)
1225                                                 {
1226                                                         mwindow->edl->session->ruler_x1 = mwindow->edl->session->ruler_x2 - distance_value / 1.414214;
1227                                                         mwindow->edl->session->ruler_y1 = mwindow->edl->session->ruler_y2 + distance_value / 1.414214;
1228                                                 }
1229                                                 else
1230                                                 if(mwindow->edl->session->ruler_x1 > mwindow->edl->session->ruler_x2 &&
1231                                                         mwindow->edl->session->ruler_y1 < mwindow->edl->session->ruler_y2)
1232                                                 {
1233                                                         mwindow->edl->session->ruler_x1 = mwindow->edl->session->ruler_x2 + distance_value / 1.414214;
1234                                                         mwindow->edl->session->ruler_y1 = mwindow->edl->session->ruler_y2 - distance_value / 1.414214;
1235                                                 }
1236                                                 else
1237                                                 {
1238                                                         mwindow->edl->session->ruler_x1 = mwindow->edl->session->ruler_x2 + distance_value / 1.414214;
1239                                                         mwindow->edl->session->ruler_y1 = mwindow->edl->session->ruler_y2 + distance_value / 1.414214;
1240                                                 }
1241                                         }
1242                                         do_ruler(1, 0, 0, 0);
1243                                         get_canvas()->flash();
1244                                         gui->update_tool();
1245                                         break;
1246
1247                                 case 1:
1248                                         do_ruler(1, 0, 0, 0);
1249                                         mwindow->edl->session->ruler_x2 = output_x - gui->x_origin + gui->ruler_origin_x;
1250                                         mwindow->edl->session->ruler_y2 = output_y - gui->y_origin + gui->ruler_origin_y;
1251                                         if(gui->alt_down() || gui->ctrl_down())
1252                                         {
1253                                                 double angle_value = fabs(atan((mwindow->edl->session->ruler_y2 - mwindow->edl->session->ruler_y1) /
1254                                                         (mwindow->edl->session->ruler_x2 - mwindow->edl->session->ruler_x1)) *
1255                                                         360 /
1256                                                         2 /
1257                                                         M_PI);
1258                                                 double distance_value =
1259                                                         sqrt(SQR(mwindow->edl->session->ruler_x2 - mwindow->edl->session->ruler_x1) +
1260                                                         SQR(mwindow->edl->session->ruler_y2 - mwindow->edl->session->ruler_y1));
1261                                                 if(angle_value < 22)
1262                                                         mwindow->edl->session->ruler_y2 = mwindow->edl->session->ruler_y1;
1263                                                 else
1264                                                 if(angle_value > 67)
1265                                                         mwindow->edl->session->ruler_x2 = mwindow->edl->session->ruler_x1;
1266                                                 else
1267                                                 if(mwindow->edl->session->ruler_x2 < mwindow->edl->session->ruler_x1 &&
1268                                                         mwindow->edl->session->ruler_y2 < mwindow->edl->session->ruler_y1)
1269                                                 {
1270                                                         mwindow->edl->session->ruler_x2 = mwindow->edl->session->ruler_x1 - distance_value / 1.414214;
1271                                                         mwindow->edl->session->ruler_y2 = mwindow->edl->session->ruler_y1 - distance_value / 1.414214;
1272                                                 }
1273                                                 else
1274                                                 if(mwindow->edl->session->ruler_x2 < mwindow->edl->session->ruler_x1 &&
1275                                                         mwindow->edl->session->ruler_y2 > mwindow->edl->session->ruler_y1)
1276                                                 {
1277                                                         mwindow->edl->session->ruler_x2 = mwindow->edl->session->ruler_x1 - distance_value / 1.414214;
1278                                                         mwindow->edl->session->ruler_y2 = mwindow->edl->session->ruler_y1 + distance_value / 1.414214;
1279                                                 }
1280                                                 else
1281                                                 if(mwindow->edl->session->ruler_x2 > mwindow->edl->session->ruler_x1 && mwindow->edl->session->ruler_y2 < mwindow->edl->session->ruler_y1)
1282                                                 {
1283                                                         mwindow->edl->session->ruler_x2 = mwindow->edl->session->ruler_x1 + distance_value / 1.414214;
1284                                                         mwindow->edl->session->ruler_y2 = mwindow->edl->session->ruler_y1 - distance_value / 1.414214;
1285                                                 }
1286                                                 else
1287                                                 {
1288                                                         mwindow->edl->session->ruler_x2 = mwindow->edl->session->ruler_x1 + distance_value / 1.414214;
1289                                                         mwindow->edl->session->ruler_y2 = mwindow->edl->session->ruler_y1 + distance_value / 1.414214;
1290                                                 }
1291                                         }
1292                                         do_ruler(1, 0, 0, 0);
1293                                         get_canvas()->flash();
1294                                         gui->update_tool();
1295                                         break;
1296                         }
1297 //printf("CWindowCanvas::do_ruler 2 %f %f %f %f\n", gui->ruler_x1, gui->ruler_y1, gui->ruler_x2, gui->ruler_y2);
1298                 }
1299                 else
1300                 {
1301 // printf("CWindowCanvas::do_ruler 2 %f %f %f %f\n",
1302 // canvas_cursor_x,
1303 // canvas_cursor_y,
1304 // canvas_x1,
1305 // canvas_y1);
1306                         if(canvas_cursor_x >= canvas_x1 - RULERHANDLE_W / 2 &&
1307                                 canvas_cursor_x < canvas_x1 + RULERHANDLE_W / 2 &&
1308                                 canvas_cursor_y >= canvas_y1 - RULERHANDLE_W &&
1309                                 canvas_cursor_y < canvas_y1 + RULERHANDLE_H / 2)
1310                         {
1311                                 set_cursor(UPRIGHT_ARROW_CURSOR);
1312                         }
1313                         else
1314                         if(canvas_cursor_x >= canvas_x2 - RULERHANDLE_W / 2 &&
1315                                 canvas_cursor_x < canvas_x2 + RULERHANDLE_W / 2 &&
1316                                 canvas_cursor_y >= canvas_y2 - RULERHANDLE_W &&
1317                                 canvas_cursor_y < canvas_y2 + RULERHANDLE_H / 2)
1318                         {
1319                                 set_cursor(UPRIGHT_ARROW_CURSOR);
1320                         }
1321                         else
1322                                 set_cursor(CROSS_CURSOR);
1323
1324 // Update current position
1325                         gui->update_tool();
1326                 }
1327         }
1328
1329 // Assume no ruler measurement if 0 length
1330         if(draw && (!EQUIV(x2, x1) || !EQUIV(y2, y1)))
1331         {
1332                 get_canvas()->set_inverse();
1333                 get_canvas()->set_color(WHITE);
1334                 get_canvas()->draw_line((int)canvas_x1,
1335                         (int)canvas_y1,
1336                         (int)canvas_x2,
1337                         (int)canvas_y2);
1338                 get_canvas()->draw_line(roundf(canvas_x1) - RULERHANDLE_W / 2,
1339                         roundf(canvas_y1),
1340                         roundf(canvas_x1) + RULERHANDLE_W / 2,
1341                         roundf(canvas_y1));
1342                 get_canvas()->draw_line(roundf(canvas_x1),
1343                         roundf(canvas_y1) - RULERHANDLE_H / 2,
1344                         roundf(canvas_x1),
1345                         roundf(canvas_y1) + RULERHANDLE_H / 2);
1346                 get_canvas()->draw_line(roundf(canvas_x2) - RULERHANDLE_W / 2,
1347                         roundf(canvas_y2),
1348                         roundf(canvas_x2) + RULERHANDLE_W / 2,
1349                         roundf(canvas_y2));
1350                 get_canvas()->draw_line(roundf(canvas_x2),
1351                         roundf(canvas_y2) - RULERHANDLE_H / 2,
1352                         roundf(canvas_x2),
1353                         roundf(canvas_y2) + RULERHANDLE_H / 2);
1354                 get_canvas()->set_opaque();
1355         }
1356
1357         return result;
1358 }
1359
1360
1361 static inline double line_dist(float cx,float cy, float tx,float ty)
1362 {
1363         double dx = tx-cx, dy = ty-cy;
1364         return sqrt(dx*dx + dy*dy);
1365 }
1366
1367 static inline bool test_bbox(int cx, int cy, int tx, int ty)
1368 {
1369 //      printf("test_bbox %d,%d - %d,%d = %f\n",cx,cy,tx,ty,line_dist(cx,cy,tx,ty));
1370         return (llabs(cx-tx) < CONTROL_W/2 && llabs(cy-ty) < CONTROL_H/2);
1371 }
1372
1373
1374 int CWindowCanvas::do_mask(int &redraw, int &rerender,
1375                 int button_press, int cursor_motion, int draw)
1376 {
1377 // Retrieve points from top recordable track
1378 //printf("CWindowCanvas::do_mask 1\n");
1379         Track *track = gui->cwindow->calculate_affected_track();
1380 //printf("CWindowCanvas::do_mask 2\n");
1381
1382         if(!track) return 0;
1383 //printf("CWindowCanvas::do_mask 3\n");
1384
1385         MaskAutos *mask_autos = (MaskAutos*)track->automation->autos[AUTOMATION_MASK];
1386         int64_t position = track->to_units(
1387                 mwindow->edl->local_session->get_selectionstart(1),
1388                 0);
1389         ArrayList<MaskPoint*> points;
1390
1391 // Determine the points based on whether
1392 // new keyframes will be generated or drawing is performed.
1393 // If keyframe generation occurs, use the interpolated mask.
1394 // If no keyframe generation occurs, use the previous mask.
1395         int use_interpolated = 0;
1396         if(button_press || cursor_motion) {
1397 #ifdef USE_KEYFRAME_SPANNING
1398                 double selection_start = mwindow->edl->local_session->get_selectionstart(0);
1399                 double selection_end = mwindow->edl->local_session->get_selectionend(0);
1400
1401                 Auto *first = 0;
1402                 mask_autos->get_prev_auto(track->to_units(selection_start, 0),
1403                         PLAY_FORWARD, first, 1);
1404                 Auto *last = 0;
1405                 mask_autos->get_prev_auto(track->to_units(selection_end, 0),
1406                         PLAY_FORWARD, last, 1);
1407
1408                 if(last == first && (!mwindow->edl->session->auto_keyframes))
1409                         use_interpolated = 0;
1410                 else
1411 // If keyframe spanning occurs, use the interpolated points.
1412 // If new keyframe is generated, use the interpolated points.
1413                         use_interpolated = 1;
1414
1415 #else
1416                 if(mwindow->edl->session->auto_keyframes)
1417                         use_interpolated = 1;
1418 #endif
1419         }
1420         else
1421                 use_interpolated = 1;
1422
1423         if(use_interpolated) {
1424 // Interpolate the points to get exactly what is being rendered at this position.
1425                 mask_autos->get_points(&points,
1426                         mwindow->edl->session->cwindow_mask,
1427                         position,
1428                         PLAY_FORWARD);
1429         }
1430         else {
1431 // Use the prev mask
1432                 Auto *prev = 0;
1433                 mask_autos->get_prev_auto(position,
1434                         PLAY_FORWARD,
1435                         prev,
1436                         1);
1437                 ((MaskAuto*)prev)->get_points(&points,
1438                         mwindow->edl->session->cwindow_mask);
1439         }
1440
1441 // Projector zooms relative to the center of the track output.
1442         float half_track_w = (float)track->track_w / 2;
1443         float half_track_h = (float)track->track_h / 2;
1444 // Translate mask to projection
1445         float projector_x, projector_y, projector_z;
1446         track->automation->get_projector(
1447                 &projector_x, &projector_y, &projector_z,
1448                 position, PLAY_FORWARD);
1449
1450
1451 // Get position of cursor relative to mask
1452         float cursor_x = get_cursor_x(), cursor_y = get_cursor_y();
1453         float mask_cursor_x = cursor_x, mask_cursor_y = cursor_y;
1454         canvas_to_output(mwindow->edl, 0, mask_cursor_x, mask_cursor_y);
1455
1456         projector_x += mwindow->edl->session->output_w / 2;
1457         projector_y += mwindow->edl->session->output_h / 2;
1458         mask_cursor_x = (mask_cursor_x - projector_x) / projector_z + half_track_w;
1459         mask_cursor_y = (mask_cursor_y - projector_y) / projector_z + half_track_h;
1460
1461 // Fix cursor origin
1462         if(button_press) {
1463                 gui->x_origin = mask_cursor_x;
1464                 gui->y_origin = mask_cursor_y;
1465         }
1466
1467         int result = 0;
1468 // Points of closest line
1469         int shortest_point1 = -1;
1470         int shortest_point2 = -1;
1471 // Closest point
1472         int shortest_point = -1;
1473 // Distance to closest line
1474         float shortest_line_distance = BC_INFINITY;
1475 // Distance to closest point
1476         float shortest_point_distance = BC_INFINITY;
1477         int selected_point = -1;
1478         int selected_control_point = -1;
1479         float selected_control_point_distance = BC_INFINITY;
1480         ArrayList<int> x_points;
1481         ArrayList<int> y_points;
1482
1483         if(!cursor_motion) {
1484                 if(draw) {
1485                         get_canvas()->set_color(WHITE);
1486                         get_canvas()->set_inverse();
1487                 }
1488 //printf("CWindowCanvas::do_mask 1 %d\n", points.size());
1489
1490 // Never draw closed polygon and a closed
1491 // polygon is harder to add points to.
1492                 for(int i = 0; i < points.size() && !result; i++) {
1493                         MaskPoint *point1 = points.get(i);
1494                         MaskPoint *point2 = (i >= points.size() - 1) ?
1495                                 points.get(0) : points.get(i + 1);
1496                         if(button_press) {
1497                                 float point_distance1 = line_dist(point1->x,point1->y, mask_cursor_x,mask_cursor_y);
1498                                 if(point_distance1 < shortest_point_distance || shortest_point < 0) {
1499                                         shortest_point_distance = point_distance1;
1500                                         shortest_point = i;
1501                                 }
1502
1503                                 float point_distance2 = line_dist(point2->x,point2->y, mask_cursor_x,mask_cursor_y);
1504                                 if(point_distance2 < shortest_point_distance || shortest_point < 0) {
1505                                         shortest_point_distance = point_distance2;
1506                                         shortest_point = (i >= points.size() - 1) ? 0 : (i + 1);
1507                                 }
1508                         }
1509
1510                         int segments = 1 + line_dist(point1->x,point1->y, point2->x,point2->y);
1511
1512 //printf("CWindowCanvas::do_mask 1 %f, %f -> %f, %f projectorz=%f\n",
1513 //point1->x, point1->y, point2->x, point2->y, projector_z);
1514                         for(int j = 0; j <= segments && !result; j++) {
1515 //printf("CWindowCanvas::do_mask 1 %f, %f -> %f, %f\n", x0, y0, x3, y3);
1516                                 float x0 = point1->x, y0 = point1->y;
1517                                 float x1 = point1->x + point1->control_x2;
1518                                 float y1 = point1->y + point1->control_y2;
1519                                 float x2 = point2->x + point2->control_x1;
1520                                 float y2 = point2->y + point2->control_y1;
1521                                 float x3 = point2->x, y3 = point2->y;
1522                                 float canvas_x0 = (x0 - half_track_w) * projector_z + projector_x;
1523                                 float canvas_y0 = (y0 - half_track_h) * projector_z + projector_y;
1524                                 float canvas_x1 = (x1 - half_track_w) * projector_z + projector_x;
1525                                 float canvas_y1 = (y1 - half_track_h) * projector_z + projector_y;
1526                                 float canvas_x2 = (x2 - half_track_w) * projector_z + projector_x;
1527                                 float canvas_y2 = (y2 - half_track_h) * projector_z + projector_y;
1528                                 float canvas_x3 = (x3 - half_track_w) * projector_z + projector_x;
1529                                 float canvas_y3 = (y3 - half_track_h) * projector_z + projector_y;
1530
1531                                 float t = (float)j / segments;
1532                                 float tpow2 = t * t;
1533                                 float tpow3 = t * t * t;
1534                                 float invt = 1 - t;
1535                                 float invtpow2 = invt * invt;
1536                                 float invtpow3 = invt * invt * invt;
1537
1538                                 float x = (           invtpow3 * x0
1539                                         + 3 * t     * invtpow2 * x1
1540                                         + 3 * tpow2 * invt     * x2
1541                                         +     tpow3            * x3);
1542                                 float y = (           invtpow3 * y0
1543                                         + 3 * t     * invtpow2 * y1
1544                                         + 3 * tpow2 * invt     * y2
1545                                         +     tpow3            * y3);
1546                                 float canvas_x = (x - half_track_w) * projector_z + projector_x;
1547                                 float canvas_y = (y - half_track_h) * projector_z + projector_y;
1548 // Test new point addition
1549                                 if(button_press) {
1550                                         float line_distance = line_dist(x,y, mask_cursor_x,mask_cursor_y);
1551
1552 //printf("CWindowCanvas::do_mask 1 x=%f cursor_x=%f y=%f cursor_y=%f %f %f %d, %d\n",
1553 //  x, cursor_x, y, cursor_y, line_distance, shortest_line_distance, shortest_point1, shortest_point2);
1554                                         if(line_distance < shortest_line_distance ||
1555                                                 shortest_point1 < 0) {
1556                                                 shortest_line_distance = line_distance;
1557                                                 shortest_point1 = i;
1558                                                 shortest_point2 = (i >= points.size() - 1) ? 0 : (i + 1);
1559 //printf("CWindowCanvas::do_mask 2 %f %f %d, %d\n",
1560 //  line_distance, shortest_line_distance, shortest_point1, shortest_point2);
1561                                         }
1562
1563 // Test existing point selection
1564 // Test first point
1565                                         if(gui->ctrl_down()) {
1566                                                 float distance = line_dist(x1,y1, mask_cursor_x,mask_cursor_y);
1567
1568                                                 if(distance < selected_control_point_distance) {
1569                                                         selected_point = i;
1570                                                         selected_control_point = 1;
1571                                                         selected_control_point_distance = distance;
1572                                                 }
1573                                         }
1574                                         else {
1575                                                 if(!gui->shift_down()) {
1576                                                         output_to_canvas(mwindow->edl, 0, canvas_x0, canvas_y0);
1577                                                         if(test_bbox(cursor_x, cursor_y, canvas_x0, canvas_y0)) {
1578                                                                 selected_point = i;
1579                                                         }
1580                                                 }
1581                                                 else {
1582                                                         selected_point = shortest_point;
1583                                                 }
1584                                         }
1585 // Test second point
1586                                         if(gui->ctrl_down()) {
1587                                                 float distance = line_dist(x2,y2, mask_cursor_x,mask_cursor_y);
1588
1589 //printf("CWindowCanvas::do_mask %d %f %f\n", i, distance, selected_control_point_distance);
1590                                                 if(distance < selected_control_point_distance) {
1591                                                         selected_point = (i < points.size() - 1 ? i + 1 : 0);
1592                                                         selected_control_point = 0;
1593                                                         selected_control_point_distance = distance;
1594                                                 }
1595                                         }
1596                                         else if(i < points.size() - 1) {
1597                                                 if(!gui->shift_down()) {
1598                                                         output_to_canvas(mwindow->edl, 0, canvas_x3, canvas_y3);
1599                                                         if(test_bbox(cursor_x, cursor_y, canvas_x3, canvas_y3)) {
1600                                                                 selected_point = (i < points.size() - 1 ? i + 1 : 0);
1601                                                         }
1602                                                 }
1603                                                 else {
1604                                                         selected_point = shortest_point;
1605                                                 }
1606                                         }
1607                                 }
1608
1609                                 output_to_canvas(mwindow->edl, 0, canvas_x, canvas_y);
1610
1611                                 if(j > 0) {
1612
1613                                         if(draw) { // Draw joining line
1614                                                 x_points.append((int)canvas_x);
1615                                                 y_points.append((int)canvas_y);
1616                                         }
1617
1618                                         if(j == segments) {
1619                                                 if(draw) { // Draw second anchor
1620                                                         if(i < points.size() - 1) {
1621                                                                 if(i == gui->affected_point - 1)
1622                                                                         get_canvas()->draw_disc(
1623                                                                                 (int)canvas_x - CONTROL_W / 2,
1624                                                                                 (int)canvas_y - CONTROL_W / 2,
1625                                                                                 CONTROL_W, CONTROL_H);
1626                                                                 else
1627                                                                         get_canvas()->draw_circle(
1628                                                                                 (int)canvas_x - CONTROL_W / 2,
1629                                                                                 (int)canvas_y - CONTROL_W / 2,
1630                                                                                 CONTROL_W, CONTROL_H);
1631 // char string[BCTEXTLEN];
1632 // sprintf(string, "%d", (i < points.size() - 1 ? i + 1 : 0));
1633 // canvas->draw_text((int)canvas_x + CONTROL_W, (int)canvas_y + CONTROL_W, string);
1634                                                         }
1635 // Draw second control point.
1636                                                         output_to_canvas(mwindow->edl, 0, canvas_x2, canvas_y2);
1637                                                         get_canvas()->draw_line(
1638                                                                 (int)canvas_x, (int)canvas_y,
1639                                                                 (int)canvas_x2, (int)canvas_y2);
1640                                                         get_canvas()->draw_rectangle(
1641                                                                 (int)canvas_x2 - CONTROL_W / 2,
1642                                                                 (int)canvas_y2 - CONTROL_H / 2,
1643                                                                 CONTROL_W, CONTROL_H);
1644                                                 }
1645                                         }
1646                                 }
1647                                 else {
1648 // Draw first anchor
1649                                         if(i == 0 && draw) {
1650                                                 char mask_label[BCSTRLEN];
1651                                                 sprintf(mask_label, "%d",
1652                                                         mwindow->edl->session->cwindow_mask);
1653                                                 get_canvas()->draw_text(
1654                                                         (int)canvas_x - FIRST_CONTROL_W,
1655                                                         (int)canvas_y - FIRST_CONTROL_H,
1656                                                         mask_label);
1657
1658                                                 get_canvas()->draw_disc(
1659                                                         (int)canvas_x - FIRST_CONTROL_W / 2,
1660                                                         (int)canvas_y - FIRST_CONTROL_H / 2,
1661                                                         FIRST_CONTROL_W, FIRST_CONTROL_H);
1662                                         }
1663
1664 // Draw first control point.
1665                                         if(draw) {
1666                                                 output_to_canvas(mwindow->edl, 0, canvas_x1, canvas_y1);
1667                                                 get_canvas()->draw_line(
1668                                                         (int)canvas_x, (int)canvas_y,
1669                                                         (int)canvas_x1, (int)canvas_y1);
1670                                                 get_canvas()->draw_rectangle(
1671                                                         (int)canvas_x1 - CONTROL_W / 2,
1672                                                         (int)canvas_y1 - CONTROL_H / 2,
1673                                                         CONTROL_W, CONTROL_H);
1674
1675                                                 x_points.append((int)canvas_x);
1676                                                 y_points.append((int)canvas_y);
1677                                         }
1678                                 }
1679 //printf("CWindowCanvas::do_mask 1\n");
1680
1681                         }
1682                 }
1683 //printf("CWindowCanvas::do_mask 1\n");
1684
1685                 if(draw) {
1686                         get_canvas()->draw_polygon(&x_points, &y_points);
1687                         get_canvas()->set_opaque();
1688                 }
1689 //printf("CWindowCanvas::do_mask 1\n");
1690         }
1691
1692         if(button_press && !result) {
1693                 gui->affected_track = gui->cwindow->calculate_affected_track();
1694
1695 // Get keyframe outside the EDL to edit.  This must be rendered
1696 // instead of the EDL keyframes when it exists.  Then it must be
1697 // applied to the EDL keyframes on buttonrelease.
1698                 if(gui->affected_track) {
1699 #ifdef USE_KEYFRAME_SPANNING
1700 // Make copy of current parameters in local keyframe
1701                         gui->mask_keyframe =
1702                                 (MaskAuto*)gui->cwindow->calculate_affected_auto(
1703                                         mask_autos,
1704                                         0);
1705                         gui->orig_mask_keyframe->copy_data(gui->mask_keyframe);
1706 #else
1707
1708                         gui->mask_keyframe =
1709                                 (MaskAuto*)gui->cwindow->calculate_affected_auto(
1710                                         mask_autos,
1711                                         1);
1712 #endif
1713                 }
1714                 SubMask *mask = gui->mask_keyframe->get_submask(mwindow->edl->session->cwindow_mask);
1715
1716
1717 // Translate entire keyframe
1718                 if(gui->alt_down() && mask->points.size()) {
1719                         mwindow->undo->update_undo_before(_("mask translate"), 0);
1720                         gui->current_operation = CWINDOW_MASK_TRANSLATE;
1721                         gui->affected_point = 0;
1722                 }
1723                 else
1724 // Existing point or control point was selected
1725                 if(selected_point >= 0) {
1726                         mwindow->undo->update_undo_before(_("mask adjust"), 0);
1727                         gui->affected_point = selected_point;
1728
1729                         if(selected_control_point == 0)
1730                                 gui->current_operation = CWINDOW_MASK_CONTROL_IN;
1731                         else
1732                         if(selected_control_point == 1)
1733                                 gui->current_operation = CWINDOW_MASK_CONTROL_OUT;
1734                         else
1735                                 gui->current_operation = mwindow->edl->session->cwindow_operation;
1736                 }
1737                 else // No existing point or control point was selected so create a new one
1738                 if(!gui->ctrl_down() && !gui->alt_down()) {
1739                         mwindow->undo->update_undo_before(_("mask point"), 0);
1740 // Create the template
1741                         MaskPoint *point = new MaskPoint;
1742                         point->x = mask_cursor_x;
1743                         point->y = mask_cursor_y;
1744                         point->control_x1 = 0;
1745                         point->control_y1 = 0;
1746                         point->control_x2 = 0;
1747                         point->control_y2 = 0;
1748
1749
1750                         if(shortest_point2 < shortest_point1) {
1751                                 shortest_point2 ^= shortest_point1;
1752                                 shortest_point1 ^= shortest_point2;
1753                                 shortest_point2 ^= shortest_point1;
1754                         }
1755
1756
1757
1758 // printf("CWindowGUI::do_mask 40\n");
1759 // mwindow->edl->dump();
1760 // printf("CWindowGUI::do_mask 50\n");
1761
1762
1763
1764 //printf("CWindowCanvas::do_mask 1 %f %f %d %d\n",
1765 //      shortest_line_distance, shortest_point_distance, shortest_point1, shortest_point2);
1766 //printf("CWindowCanvas::do_mask %d %d\n", shortest_point1, shortest_point2);
1767
1768 // Append to end of list
1769                         if( shortest_point1 == shortest_point2 ||
1770                             labs(shortest_point1 - shortest_point2) > 1) {
1771 #ifdef USE_KEYFRAME_SPANNING
1772
1773                                 MaskPoint *new_point = new MaskPoint;
1774                                 points.append(new_point);
1775                                 *new_point = *point;
1776                                 gui->affected_point = points.size() - 1;
1777
1778 #else
1779
1780 // Need to apply the new point to every keyframe
1781                                 for(MaskAuto *current = (MaskAuto*)mask_autos->default_auto; current; ) {
1782                                         SubMask *submask = current->get_submask(mwindow->edl->session->cwindow_mask);
1783                                         MaskPoint *new_point = new MaskPoint;
1784                                         submask->points.append(new_point);
1785                                         *new_point = *point;
1786                                         if(current == (MaskAuto*)mask_autos->default_auto)
1787                                                 current = (MaskAuto*)mask_autos->first;
1788                                         else
1789                                                 current = (MaskAuto*)NEXT;
1790                                 }
1791                                 gui->affected_point = mask->points.size() - 1;
1792 #endif
1793
1794                                 result = 1;
1795                         }
1796                         else
1797 // Insert between 2 points, shifting back point 2
1798                         if(shortest_point1 >= 0 && shortest_point2 >= 0) {
1799
1800 #ifdef USE_KEYFRAME_SPANNING
1801 // In case the keyframe point count isn't synchronized with the rest of the keyframes,
1802 // avoid a crash.
1803                                 if(points.size() >= shortest_point2) {
1804                                         MaskPoint *new_point = new MaskPoint;
1805                                         points.append(0);
1806                                         for(int i = points.size() - 1;
1807                                                 i > shortest_point2;
1808                                                 i--)
1809                                                 points.values[i] = points.values[i - 1];
1810                                         points.values[shortest_point2] = new_point;
1811
1812                                         *new_point = *point;
1813                                 }
1814
1815 #else
1816
1817                                 for(MaskAuto *current = (MaskAuto*)mask_autos->default_auto; current; ) {
1818                                         SubMask *submask = current->get_submask(mwindow->edl->session->cwindow_mask);
1819 // In case the keyframe point count isn't synchronized with the rest of the keyframes,
1820 // avoid a crash.
1821                                         if(submask->points.size() >= shortest_point2) {
1822                                                 MaskPoint *new_point = new MaskPoint;
1823                                                 submask->points.append(0);
1824                                                 for(int i = submask->points.size() - 1;
1825                                                         i > shortest_point2;
1826                                                         i--)
1827                                                         submask->points.values[i] = submask->points.values[i - 1];
1828                                                 submask->points.values[shortest_point2] = new_point;
1829
1830                                                 *new_point = *point;
1831                                         }
1832
1833                                         if(current == (MaskAuto*)mask_autos->default_auto)
1834                                                 current = (MaskAuto*)mask_autos->first;
1835                                         else
1836                                                 current = (MaskAuto*)NEXT;
1837                                 }
1838
1839 #endif
1840                                 gui->affected_point = shortest_point2;
1841                                 result = 1;
1842                         }
1843
1844
1845 // printf("CWindowGUI::do_mask 20\n");
1846 // mwindow->edl->dump();
1847 // printf("CWindowGUI::do_mask 30\n");
1848
1849                         if(!result) {
1850 //printf("CWindowCanvas::do_mask 1\n");
1851 // Create the first point.
1852 #ifdef USE_KEYFRAME_SPANNING
1853                                 MaskPoint *new_point = new MaskPoint;
1854                                 points.append(new_point);
1855                                 *new_point = *point;
1856                                 gui->affected_point = points.size() - 1;
1857 #else
1858                                 for(MaskAuto *current = (MaskAuto*)mask_autos->default_auto; current; ) {
1859                                         SubMask *submask = current->get_submask(mwindow->edl->session->cwindow_mask);
1860                                         MaskPoint *new_point = new MaskPoint;
1861                                         submask->points.append(new_point);
1862                                         *new_point = *point;
1863                                         if(current == (MaskAuto*)mask_autos->default_auto)
1864                                                 current = (MaskAuto*)mask_autos->first;
1865                                         else
1866                                                 current = (MaskAuto*)NEXT;
1867                                 }
1868                                 gui->affected_point = points.size() - 1;
1869 #endif
1870
1871 //printf("CWindowCanvas::do_mask 3 %d\n", mask->points.size());
1872                         }
1873
1874                         gui->current_operation = mwindow->edl->session->cwindow_operation;
1875 // Delete the template
1876                         delete point;
1877                 }
1878
1879                 result = 1;
1880                 rerender = 1;
1881                 redraw = 1;
1882         }
1883
1884         if(button_press && result) {
1885 #ifdef USE_KEYFRAME_SPANNING
1886                 MaskPoint *point = points.values[gui->affected_point];
1887                 gui->center_x = point->x;
1888                 gui->center_y = point->y;
1889                 gui->control_in_x = point->control_x1;
1890                 gui->control_in_y = point->control_y1;
1891                 gui->control_out_x = point->control_x2;
1892                 gui->control_out_y = point->control_y2;
1893                 gui->tool_panel->raise_window();
1894 #else
1895                 SubMask *mask = gui->mask_keyframe->get_submask(mwindow->edl->session->cwindow_mask);
1896                 MaskPoint *point = mask->points.values[gui->affected_point];
1897                 gui->center_x = point->x;
1898                 gui->center_y = point->y;
1899                 gui->control_in_x = point->control_x1;
1900                 gui->control_in_y = point->control_y1;
1901                 gui->control_out_x = point->control_x2;
1902                 gui->control_out_y = point->control_y2;
1903                 gui->tool_panel->raise_window();
1904 #endif
1905         }
1906
1907 //printf("CWindowCanvas::do_mask 8\n");
1908         if(cursor_motion) {
1909
1910 #ifdef USE_KEYFRAME_SPANNING
1911 // Must update the reference keyframes for every cursor motion
1912                 gui->mask_keyframe =
1913                         (MaskAuto*)gui->cwindow->calculate_affected_auto(
1914                                 mask_autos,
1915                                 0);
1916                 gui->orig_mask_keyframe->copy_data(gui->mask_keyframe);
1917 #endif
1918
1919 //printf("CWindowCanvas::do_mask %d %d\n", __LINE__, gui->affected_point);
1920
1921                 SubMask *mask = gui->mask_keyframe->get_submask(mwindow->edl->session->cwindow_mask);
1922                 if( gui->affected_point >= 0 && gui->affected_point < mask->points.size() &&
1923                         gui->current_operation != CWINDOW_NONE) {
1924 //                      mwindow->undo->update_undo_before(_("mask point"), this);
1925 #ifdef USE_KEYFRAME_SPANNING
1926                         MaskPoint *point = points.get(gui->affected_point);
1927 #else
1928                         MaskPoint *point = mask->points.get(gui->affected_point);
1929 #endif
1930 //                      canvas_to_output(mwindow->edl, 0, cursor_x, cursor_y);
1931 //printf("CWindowCanvas::do_mask 9 %d %d\n", mask->points.size(), gui->affected_point);
1932
1933                         float last_x = point->x;
1934                         float last_y = point->y;
1935                         float last_control_x1 = point->control_x1;
1936                         float last_control_y1 = point->control_y1;
1937                         float last_control_x2 = point->control_x2;
1938                         float last_control_y2 = point->control_y2;
1939
1940                         switch(gui->current_operation) {
1941                                 case CWINDOW_MASK:
1942 //printf("CWindowCanvas::do_mask %d %d\n", __LINE__, gui->affected_point);
1943                                         point->x = mask_cursor_x - gui->x_origin + gui->center_x;
1944                                         point->y = mask_cursor_y - gui->y_origin + gui->center_y;
1945                                         break;
1946
1947                                 case CWINDOW_MASK_CONTROL_IN:
1948                                         point->control_x1 = mask_cursor_x - gui->x_origin + gui->control_in_x;
1949                                         point->control_y1 = mask_cursor_y - gui->y_origin + gui->control_in_y;
1950                                         break;
1951
1952                                 case CWINDOW_MASK_CONTROL_OUT:
1953                                         point->control_x2 = mask_cursor_x - gui->x_origin + gui->control_out_x;
1954                                         point->control_y2 = mask_cursor_y - gui->y_origin + gui->control_out_y;
1955                                         break;
1956
1957                                 case CWINDOW_MASK_TRANSLATE:
1958 #ifdef USE_KEYFRAME_SPANNING
1959                                         for(int i = 0; i < points.size(); i++) {
1960                                                 points.values[i]->x += mask_cursor_x - gui->x_origin;
1961                                                 points.values[i]->y += mask_cursor_y - gui->y_origin;
1962                                         }
1963 #else
1964                                         for(int i = 0; i < mask->points.size(); i++) {
1965                                                 mask->points.values[i]->x += mask_cursor_x - gui->x_origin;
1966                                                 mask->points.values[i]->y += mask_cursor_y - gui->y_origin;
1967                                         }
1968 #endif
1969                                         gui->x_origin = mask_cursor_x;
1970                                         gui->y_origin = mask_cursor_y;
1971                                         break;
1972                         }
1973
1974                         if( !EQUIV(last_x, point->x) ||
1975                                 !EQUIV(last_y, point->y) ||
1976                                 !EQUIV(last_control_x1, point->control_x1) ||
1977                                 !EQUIV(last_control_y1, point->control_y1) ||
1978                                 !EQUIV(last_control_x2, point->control_x2) ||
1979                                 !EQUIV(last_control_y2, point->control_y2)) {
1980                                 rerender = 1;
1981                                 redraw = 1;
1982                         }
1983                 }
1984                 else
1985                 if(gui->current_operation == CWINDOW_NONE) {
1986 //                      printf("CWindowCanvas::do_mask %d\n", __LINE__);
1987                         int over_point = 0;
1988                         for(int i = 0; i < points.size() && !over_point; i++) {
1989                                 MaskPoint *point = points.get(i);
1990                                 float x0 = point->x;
1991                                 float y0 = point->y;
1992                                 float x1 = point->x + point->control_x1;
1993                                 float y1 = point->y + point->control_y1;
1994                                 float x2 = point->x + point->control_x2;
1995                                 float y2 = point->y + point->control_y2;
1996                                 float canvas_x0 = (x0 - half_track_w) * projector_z + projector_x;
1997                                 float canvas_y0 = (y0 - half_track_h) * projector_z + projector_y;
1998
1999                                 output_to_canvas(mwindow->edl, 0, canvas_x0, canvas_y0);
2000                                 if(test_bbox(cursor_x, cursor_y, canvas_x0, canvas_y0)) {
2001                                         over_point = 1;
2002                                 }
2003
2004                                 if(!over_point && gui->ctrl_down()) {
2005                                         float canvas_x1 = (x1 - half_track_w) * projector_z + projector_x;
2006                                         float canvas_y1 = (y1 - half_track_h) * projector_z + projector_y;
2007                                         output_to_canvas(mwindow->edl, 0, canvas_x1, canvas_y1);
2008                                         if(test_bbox(cursor_x, cursor_y, canvas_x1, canvas_y1)) {
2009                                                 over_point = 1;
2010                                         }
2011                                         else {
2012                                                 float canvas_x2 = (x2 - half_track_w) * projector_z + projector_x;
2013                                                 float canvas_y2 = (y2 - half_track_h) * projector_z + projector_y;
2014                                                 output_to_canvas(mwindow->edl, 0, canvas_x2, canvas_y2);
2015                                                 if(test_bbox(cursor_x, cursor_y, canvas_x2, canvas_y2)) {
2016                                                         over_point = 1;
2017                                                 }
2018                                         }
2019                                 }
2020                         }
2021
2022                         set_cursor( over_point ? ARROW_CURSOR : CROSS_CURSOR );
2023                 }
2024
2025                 result = 1;
2026         }
2027 //printf("CWindowCanvas::do_mask 2 %d %d %d\n", result, rerender, redraw);
2028
2029
2030 #ifdef USE_KEYFRAME_SPANNING
2031 // Must commit change after operation.
2032         if(rerender && track) {
2033 // Swap EDL keyframe with original.
2034 // Apply new values to keyframe span
2035                 MaskAuto temp_keyframe(mwindow->edl, mask_autos);
2036                 temp_keyframe.copy_data(gui->mask_keyframe);
2037 // Apply interpolated points back to keyframe
2038                 temp_keyframe.set_points(&points, mwindow->edl->session->cwindow_mask);
2039                 gui->mask_keyframe->copy_data(gui->orig_mask_keyframe);
2040                 mask_autos->update_parameter(&temp_keyframe);
2041         }
2042 #endif
2043
2044         points.remove_all_objects();
2045 //printf("CWindowCanvas::do_mask 20\n");
2046         return result;
2047 }
2048
2049 int CWindowCanvas::do_eyedrop(int &rerender, int button_press, int draw)
2050 {
2051         int result = 0;
2052         int radius = mwindow->edl->session->eyedrop_radius;
2053         int row1 = 0;
2054         int row2 = 0;
2055         int column1 = 0;
2056         int column2 = 0;
2057
2058
2059
2060         if(refresh_frame && refresh_frame->get_w()>0 && refresh_frame->get_h()>0)
2061         {
2062
2063                 if(draw)
2064                 {
2065                         row1 = gui->eyedrop_y - radius;
2066                         row2 = gui->eyedrop_y + radius;
2067                         column1 = gui->eyedrop_x - radius;
2068                         column2 = gui->eyedrop_x + radius;
2069
2070                         CLAMP(row1, 0, refresh_frame->get_h() - 1);
2071                         CLAMP(row2, 0, refresh_frame->get_h() - 1);
2072                         CLAMP(column1, 0, refresh_frame->get_w() - 1);
2073                         CLAMP(column2, 0, refresh_frame->get_w() - 1);
2074
2075                         if(row2 <= row1) row2 = row1 + 1;
2076                         if(column2 <= column1) column2 = column1 + 1;
2077
2078                         float x1 = column1;
2079                         float y1 = row1;
2080                         float x2 = column2;
2081                         float y2 = row2;
2082
2083                         output_to_canvas(mwindow->edl, 0, x1, y1);
2084                         output_to_canvas(mwindow->edl, 0, x2, y2);
2085 //printf("CWindowCanvas::do_eyedrop %d %f %f %f %f\n", __LINE__, x1, x2, y1, y2);
2086
2087                         if(x2 - x1 >= 1 && y2 - y1 >= 1)
2088                         {
2089                                 get_canvas()->set_inverse();
2090                                 get_canvas()->set_color(WHITE);
2091
2092                                 get_canvas()->draw_rectangle((int)x1,
2093                                         (int)y1,
2094                                         (int)(x2 - x1),
2095                                         (int)(y2 - y1));
2096
2097                                 get_canvas()->set_opaque();
2098                                 get_canvas()->flash();
2099                         }
2100                         return 0;
2101                 }
2102         }
2103
2104         if(button_press)
2105         {
2106                 gui->current_operation = CWINDOW_EYEDROP;
2107                 gui->tool_panel->raise_window();
2108         }
2109
2110         if(gui->current_operation == CWINDOW_EYEDROP)
2111         {
2112                 mwindow->undo->update_undo_before(_("Eyedrop"), this);
2113
2114 // Get color out of frame.
2115 // Doesn't work during playback because that bypasses the refresh frame.
2116                 if(refresh_frame && refresh_frame->get_w()>0 && refresh_frame->get_h()>0)
2117                 {
2118                         float cursor_x = get_cursor_x();
2119                         float cursor_y = get_cursor_y();
2120                         canvas_to_output(mwindow->edl, 0, cursor_x, cursor_y);
2121                         CLAMP(cursor_x, 0, refresh_frame->get_w() - 1);
2122                         CLAMP(cursor_y, 0, refresh_frame->get_h() - 1);
2123
2124                         row1 = cursor_y - radius;
2125                         row2 = cursor_y + radius;
2126                         column1 = cursor_x - radius;
2127                         column2 = cursor_x + radius;
2128                         CLAMP(row1, 0, refresh_frame->get_h() - 1);
2129                         CLAMP(row2, 0, refresh_frame->get_h() - 1);
2130                         CLAMP(column1, 0, refresh_frame->get_w() - 1);
2131                         CLAMP(column2, 0, refresh_frame->get_w() - 1);
2132                         if(row2 <= row1) row2 = row1 + 1;
2133                         if(column2 <= column1) column2 = column1 + 1;
2134
2135
2136 // hide it
2137                         if(gui->eyedrop_visible)
2138                         {
2139                                 int temp;
2140                                 do_eyedrop(temp, 0, 1);
2141                                 gui->eyedrop_visible = 0;
2142                         }
2143
2144                         gui->eyedrop_x = cursor_x;
2145                         gui->eyedrop_y = cursor_y;
2146
2147 // show it
2148                         {
2149                                 int temp;
2150                                 do_eyedrop(temp, 0, 1);
2151                                 gui->eyedrop_visible = 1;
2152                         }
2153
2154 // Decompression coefficients straight out of jpeglib
2155 #define V_TO_R    1.40200
2156 #define V_TO_G    -0.71414
2157
2158 #define U_TO_G    -0.34414
2159 #define U_TO_B    1.77200
2160
2161 #define GET_COLOR(type, components, max, do_yuv) \
2162 { \
2163         type *row = (type*)(refresh_frame->get_rows()[i]) + \
2164                 j * components; \
2165         float red = (float)*row++ / max; \
2166         float green = (float)*row++ / max; \
2167         float blue = (float)*row++ / max; \
2168         if(do_yuv) \
2169         { \
2170                 mwindow->edl->local_session->red += red + V_TO_R * (blue - 0.5); \
2171                 mwindow->edl->local_session->green += red + U_TO_G * (green - 0.5) + V_TO_G * (blue - 0.5); \
2172                 mwindow->edl->local_session->blue += red + U_TO_B * (green - 0.5); \
2173         } \
2174         else \
2175         { \
2176                 mwindow->edl->local_session->red += red; \
2177                 mwindow->edl->local_session->green += green; \
2178                 mwindow->edl->local_session->blue += blue; \
2179         } \
2180 }
2181
2182
2183
2184                         mwindow->edl->local_session->red = 0;
2185                         mwindow->edl->local_session->green = 0;
2186                         mwindow->edl->local_session->blue = 0;
2187                         for(int i = row1; i < row2; i++)
2188                         {
2189                                 for(int j = column1; j < column2; j++)
2190                                 {
2191                                         switch(refresh_frame->get_color_model())
2192                                         {
2193                                                 case BC_YUV888:
2194                                                         GET_COLOR(unsigned char, 3, 0xff, 1);
2195                                                         break;
2196                                                 case BC_YUVA8888:
2197                                                         GET_COLOR(unsigned char, 4, 0xff, 1);
2198                                                         break;
2199                                                 case BC_YUV161616:
2200                                                         GET_COLOR(uint16_t, 3, 0xffff, 1);
2201                                                         break;
2202                                                 case BC_YUVA16161616:
2203                                                         GET_COLOR(uint16_t, 4, 0xffff, 1);
2204                                                         break;
2205                                                 case BC_RGB888:
2206                                                         GET_COLOR(unsigned char, 3, 0xff, 0);
2207                                                         break;
2208                                                 case BC_RGBA8888:
2209                                                         GET_COLOR(unsigned char, 4, 0xff, 0);
2210                                                         break;
2211                                                 case BC_RGB_FLOAT:
2212                                                         GET_COLOR(float, 3, 1.0, 0);
2213                                                         break;
2214                                                 case BC_RGBA_FLOAT:
2215                                                         GET_COLOR(float, 4, 1.0, 0);
2216                                                         break;
2217                                         }
2218                                 }
2219                         }
2220
2221                         mwindow->edl->local_session->red /= (row2 - row1) * (column2 - column1);
2222                         mwindow->edl->local_session->green /= (row2 - row1) * (column2 - column1);
2223                         mwindow->edl->local_session->blue /= (row2 - row1) * (column2 - column1);
2224
2225                 }
2226                 else
2227                 {
2228                         mwindow->edl->local_session->red = 0;
2229                         mwindow->edl->local_session->green = 0;
2230                         mwindow->edl->local_session->blue = 0;
2231                         gui->eyedrop_visible = 0;
2232                 }
2233
2234
2235                 gui->update_tool();
2236
2237
2238
2239                 result = 1;
2240 // Can't rerender since the color value is from the output of any effect it
2241 // goes into.
2242 //              rerender = 1;
2243                 mwindow->undo->update_undo_after(_("Eyedrop"), LOAD_SESSION);
2244         }
2245
2246         return result;
2247 }
2248
2249 void CWindowCanvas::draw_overlays()
2250 {
2251         if(mwindow->edl->session->safe_regions)
2252         {
2253                 draw_safe_regions();
2254         }
2255
2256         if(mwindow->edl->session->cwindow_scrollbars)
2257         {
2258 // Always draw output rectangle
2259                 float x1, y1, x2, y2;
2260                 x1 = 0;
2261                 x2 = mwindow->edl->session->output_w;
2262                 y1 = 0;
2263                 y2 = mwindow->edl->session->output_h;
2264                 output_to_canvas(mwindow->edl, 0, x1, y1);
2265                 output_to_canvas(mwindow->edl, 0, x2, y2);
2266
2267                 get_canvas()->set_inverse();
2268                 get_canvas()->set_color(WHITE);
2269
2270                 get_canvas()->draw_rectangle((int)x1,
2271                                 (int)y1,
2272                                 (int)(x2 - x1),
2273                                 (int)(y2 - y1));
2274
2275                 get_canvas()->set_opaque();
2276         }
2277
2278         if(gui->highlighted)
2279         {
2280                 get_canvas()->set_color(WHITE);
2281                 get_canvas()->set_inverse();
2282                 get_canvas()->draw_rectangle(0, 0, get_canvas()->get_w(), get_canvas()->get_h());
2283                 get_canvas()->draw_rectangle(1, 1, get_canvas()->get_w() - 2, get_canvas()->get_h() - 2);
2284                 get_canvas()->set_opaque();
2285         }
2286
2287         int temp1 = 0, temp2 = 0;
2288 //printf("CWindowCanvas::draw_overlays 1 %d\n", mwindow->edl->session->cwindow_operation);
2289         switch(mwindow->edl->session->cwindow_operation)
2290         {
2291                 case CWINDOW_CAMERA:
2292                         draw_bezier(1);
2293                         break;
2294
2295                 case CWINDOW_PROJECTOR:
2296                         draw_bezier(0);
2297                         break;
2298
2299                 case CWINDOW_CROP:
2300                         draw_crop();
2301                         break;
2302
2303                 case CWINDOW_MASK:
2304                         do_mask(temp1, temp2, 0, 0, 1);
2305                         break;
2306
2307                 case CWINDOW_RULER:
2308                         do_ruler(1, 0, 0, 0);
2309                         break;
2310
2311                 case CWINDOW_EYEDROP:
2312                 if(gui->eyedrop_visible)
2313                 {
2314                         int rerender;
2315                         do_eyedrop(rerender, 0, 1);
2316                         gui->eyedrop_visible = 1;
2317                         break;
2318                 }
2319         }
2320 }
2321
2322 void CWindowCanvas::draw_safe_regions()
2323 {
2324         float action_x1, action_x2, action_y1, action_y2;
2325         float title_x1, title_x2, title_y1, title_y2;
2326
2327         action_x1 = mwindow->edl->session->output_w / 2 - mwindow->edl->session->output_w / 2 * 0.9;
2328         action_x2 = mwindow->edl->session->output_w / 2 + mwindow->edl->session->output_w / 2 * 0.9;
2329         action_y1 = mwindow->edl->session->output_h / 2 - mwindow->edl->session->output_h / 2 * 0.9;
2330         action_y2 = mwindow->edl->session->output_h / 2 + mwindow->edl->session->output_h / 2 * 0.9;
2331         title_x1 = mwindow->edl->session->output_w / 2 - mwindow->edl->session->output_w / 2 * 0.8;
2332         title_x2 = mwindow->edl->session->output_w / 2 + mwindow->edl->session->output_w / 2 * 0.8;
2333         title_y1 = mwindow->edl->session->output_h / 2 - mwindow->edl->session->output_h / 2 * 0.8;
2334         title_y2 = mwindow->edl->session->output_h / 2 + mwindow->edl->session->output_h / 2 * 0.8;
2335
2336         output_to_canvas(mwindow->edl, 0, action_x1, action_y1);
2337         output_to_canvas(mwindow->edl, 0, action_x2, action_y2);
2338         output_to_canvas(mwindow->edl, 0, title_x1, title_y1);
2339         output_to_canvas(mwindow->edl, 0, title_x2, title_y2);
2340
2341         get_canvas()->set_inverse();
2342         get_canvas()->set_color(WHITE);
2343
2344         get_canvas()->draw_rectangle((int)action_x1,
2345                         (int)action_y1,
2346                         (int)(action_x2 - action_x1),
2347                         (int)(action_y2 - action_y1));
2348         get_canvas()->draw_rectangle((int)title_x1,
2349                         (int)title_y1,
2350                         (int)(title_x2 - title_x1),
2351                         (int)(title_y2 - title_y1));
2352
2353         get_canvas()->set_opaque();
2354 }
2355
2356 void CWindowCanvas::reset_keyframe(int do_camera)
2357 {
2358         FloatAuto *x_keyframe = 0;
2359         FloatAuto *y_keyframe = 0;
2360         FloatAuto *z_keyframe = 0;
2361         Track *affected_track = 0;
2362
2363         affected_track = gui->cwindow->calculate_affected_track();
2364
2365         if(affected_track)
2366         {
2367                 gui->cwindow->calculate_affected_autos(&x_keyframe,
2368                         &y_keyframe,
2369                         &z_keyframe,
2370                         affected_track,
2371                         do_camera,
2372                         1,
2373                         1,
2374                         1);
2375
2376                 x_keyframe->set_value(0);
2377                 y_keyframe->set_value(0);
2378                 z_keyframe->set_value(1);
2379
2380                 mwindow->sync_parameters(CHANGE_PARAMS);
2381                 gui->update_tool();
2382         }
2383 }
2384
2385 void CWindowCanvas::reset_camera()
2386 {
2387         reset_keyframe(1);
2388 }
2389
2390 void CWindowCanvas::reset_projector()
2391 {
2392         reset_keyframe(0);
2393 }
2394
2395 int CWindowCanvas::test_crop(int button_press, int &redraw)
2396 {
2397         int result = 0;
2398         int handle_selected = -1;
2399         float x1 = mwindow->edl->session->crop_x1;
2400         float y1 = mwindow->edl->session->crop_y1;
2401         float x2 = mwindow->edl->session->crop_x2;
2402         float y2 = mwindow->edl->session->crop_y2;
2403         float cursor_x = get_cursor_x();
2404         float cursor_y = get_cursor_y();
2405         float canvas_x1 = x1;
2406         float canvas_y1 = y1;
2407         float canvas_x2 = x2;
2408         float canvas_y2 = y2;
2409         float canvas_cursor_x = cursor_x;
2410         float canvas_cursor_y = cursor_y;
2411
2412         canvas_to_output(mwindow->edl, 0, cursor_x, cursor_y);
2413 // Use screen normalized coordinates for hot spot tests.
2414         output_to_canvas(mwindow->edl, 0, canvas_x1, canvas_y1);
2415         output_to_canvas(mwindow->edl, 0, canvas_x2, canvas_y2);
2416
2417
2418         if(gui->current_operation == CWINDOW_CROP)
2419         {
2420                 handle_selected = gui->crop_handle;
2421         }
2422         else
2423         if(canvas_cursor_x >= canvas_x1 && canvas_cursor_x < canvas_x1 + CROPHANDLE_W &&
2424                 canvas_cursor_y >= canvas_y1 && canvas_cursor_y < canvas_y1 + CROPHANDLE_H)
2425         {
2426                 handle_selected = 0;
2427                 gui->crop_origin_x = x1;
2428                 gui->crop_origin_y = y1;
2429         }
2430         else
2431         if(canvas_cursor_x >= canvas_x2 - CROPHANDLE_W && canvas_cursor_x < canvas_x2 &&
2432                 canvas_cursor_y >= canvas_y1 && canvas_cursor_y < canvas_y1 + CROPHANDLE_H)
2433         {
2434                 handle_selected = 1;
2435                 gui->crop_origin_x = x2;
2436                 gui->crop_origin_y = y1;
2437         }
2438         else
2439         if(canvas_cursor_x >= canvas_x1 && canvas_cursor_x < canvas_x1 + CROPHANDLE_W &&
2440                 canvas_cursor_y >= canvas_y2 - CROPHANDLE_H && canvas_cursor_y < canvas_y2)
2441         {
2442                 handle_selected = 2;
2443                 gui->crop_origin_x = x1;
2444                 gui->crop_origin_y = y2;
2445         }
2446         else
2447         if(canvas_cursor_x >= canvas_x2 - CROPHANDLE_W && canvas_cursor_x < canvas_x2 &&
2448                 canvas_cursor_y >= canvas_y2 - CROPHANDLE_H && canvas_cursor_y < canvas_y2)
2449         {
2450                 handle_selected = 3;
2451                 gui->crop_origin_x = x2;
2452                 gui->crop_origin_y = y2;
2453         }
2454         else
2455 // Start new box
2456         {
2457                 gui->crop_origin_x = cursor_x;
2458                 gui->crop_origin_y = cursor_y;
2459         }
2460
2461 // printf("test crop %d %d\n",
2462 //      gui->current_operation,
2463 //      handle_selected);
2464
2465 // Start dragging.
2466         if(button_press)
2467         {
2468                 if(gui->alt_down())
2469                 {
2470                         gui->crop_translate = 1;
2471                         gui->crop_origin_x1 = x1;
2472                         gui->crop_origin_y1 = y1;
2473                         gui->crop_origin_x2 = x2;
2474                         gui->crop_origin_y2 = y2;
2475                 }
2476                 else
2477                         gui->crop_translate = 0;
2478
2479                 gui->current_operation = CWINDOW_CROP;
2480                 gui->crop_handle = handle_selected;
2481                 gui->x_origin = cursor_x;
2482                 gui->y_origin = cursor_y;
2483                 gui->tool_panel->raise_window();
2484                 result = 1;
2485
2486                 if(handle_selected < 0 && !gui->crop_translate)
2487                 {
2488                         x2 = x1 = cursor_x;
2489                         y2 = y1 = cursor_y;
2490                         mwindow->edl->session->crop_x1 = (int)x1;
2491                         mwindow->edl->session->crop_y1 = (int)y1;
2492                         mwindow->edl->session->crop_x2 = (int)x2;
2493                         mwindow->edl->session->crop_y2 = (int)y2;
2494                         redraw = 1;
2495                 }
2496         }
2497     else
2498 // Translate all 4 points
2499         if(gui->current_operation == CWINDOW_CROP && gui->crop_translate)
2500         {
2501                 x1 = cursor_x - gui->x_origin + gui->crop_origin_x1;
2502                 y1 = cursor_y - gui->y_origin + gui->crop_origin_y1;
2503                 x2 = cursor_x - gui->x_origin + gui->crop_origin_x2;
2504                 y2 = cursor_y - gui->y_origin + gui->crop_origin_y2;
2505
2506                 mwindow->edl->session->crop_x1 = (int)x1;
2507                 mwindow->edl->session->crop_y1 = (int)y1;
2508                 mwindow->edl->session->crop_x2 = (int)x2;
2509                 mwindow->edl->session->crop_y2 = (int)y2;
2510                 result = 1;
2511                 redraw = 1;
2512         }
2513         else
2514 // Update dragging
2515         if(gui->current_operation == CWINDOW_CROP)
2516         {
2517                 switch(gui->crop_handle)
2518                 {
2519                         case -1:
2520                                 x1 = gui->crop_origin_x;
2521                                 y1 = gui->crop_origin_y;
2522                                 x2 = gui->crop_origin_x;
2523                                 y2 = gui->crop_origin_y;
2524                                 if(cursor_x < gui->x_origin)
2525                                 {
2526                                         if(cursor_y < gui->y_origin)
2527                                         {
2528                                                 x1 = cursor_x;
2529                                                 y1 = cursor_y;
2530                                         }
2531                                         else
2532                                         if(cursor_y >= gui->y_origin)
2533                                         {
2534                                                 x1 = cursor_x;
2535                                                 y2 = cursor_y;
2536                                         }
2537                                 }
2538                                 else
2539                                 if(cursor_x  >= gui->x_origin)
2540                                 {
2541                                         if(cursor_y < gui->y_origin)
2542                                         {
2543                                                 y1 = cursor_y;
2544                                                 x2 = cursor_x;
2545                                         }
2546                                         else
2547                                         if(cursor_y >= gui->y_origin)
2548                                         {
2549                                                 x2 = cursor_x;
2550                                                 y2 = cursor_y;
2551                                         }
2552                                 }
2553
2554 // printf("test crop %d %d %d %d\n",
2555 //      mwindow->edl->session->crop_x1,
2556 //      mwindow->edl->session->crop_y1,
2557 //      mwindow->edl->session->crop_x2,
2558 //      mwindow->edl->session->crop_y2);
2559                                 break;
2560                         case 0:
2561                                 x1 = cursor_x - gui->x_origin + gui->crop_origin_x;
2562                                 y1 = cursor_y - gui->y_origin + gui->crop_origin_y;
2563                                 break;
2564                         case 1:
2565                                 x2 = cursor_x - gui->x_origin + gui->crop_origin_x;
2566                                 y1 = cursor_y - gui->y_origin + gui->crop_origin_y;
2567                                 break;
2568                         case 2:
2569                                 x1 = cursor_x - gui->x_origin + gui->crop_origin_x;
2570                                 y2 = cursor_y - gui->y_origin + gui->crop_origin_y;
2571                                 break;
2572                         case 3:
2573                                 x2 = cursor_x - gui->x_origin + gui->crop_origin_x;
2574                                 y2 = cursor_y - gui->y_origin + gui->crop_origin_y;
2575                                 break;
2576                 }
2577
2578                 if(!EQUIV(mwindow->edl->session->crop_x1, x1) ||
2579                         !EQUIV(mwindow->edl->session->crop_x2, x2) ||
2580                         !EQUIV(mwindow->edl->session->crop_y1, y1) ||
2581                         !EQUIV(mwindow->edl->session->crop_y2, y2))
2582                 {
2583                         if (x1 > x2)
2584                         {
2585                                 float tmp = x1;
2586                                 x1 = x2;
2587                                 x2 = tmp;
2588                                 switch (gui->crop_handle)
2589                                 {
2590                                         case 0: gui->crop_handle = 1; break;
2591                                         case 1: gui->crop_handle = 0; break;
2592                                         case 2: gui->crop_handle = 3; break;
2593                                         case 3: gui->crop_handle = 2; break;
2594                                         default: break;
2595                                 }
2596                         }
2597
2598                         if (y1 > y2)
2599                         {
2600                                 float tmp = y1;
2601                                 y1 = y2;
2602                                 y2 = tmp;
2603                                 switch (gui->crop_handle)
2604                                 {
2605                                         case 0: gui->crop_handle = 2; break;
2606                                         case 1: gui->crop_handle = 3; break;
2607                                         case 2: gui->crop_handle = 0; break;
2608                                         case 3: gui->crop_handle = 1; break;
2609                                         default: break;
2610                                 }
2611                         }
2612
2613                         mwindow->edl->session->crop_x1 = (int)x1;
2614                         mwindow->edl->session->crop_y1 = (int)y1;
2615                         mwindow->edl->session->crop_x2 = (int)x2;
2616                         mwindow->edl->session->crop_y2 = (int)y2;
2617                         result = 1;
2618                         redraw = 1;
2619                 }
2620         }
2621         else
2622 // Update cursor font
2623         if(handle_selected >= 0)
2624         {
2625                 switch(handle_selected)
2626                 {
2627                         case 0:
2628                                 set_cursor(UPLEFT_RESIZE);
2629                                 break;
2630                         case 1:
2631                                 set_cursor(UPRIGHT_RESIZE);
2632                                 break;
2633                         case 2:
2634                                 set_cursor(DOWNLEFT_RESIZE);
2635                                 break;
2636                         case 3:
2637                                 set_cursor(DOWNRIGHT_RESIZE);
2638                                 break;
2639                 }
2640                 result = 1;
2641         }
2642         else
2643         {
2644                 set_cursor(ARROW_CURSOR);
2645         }
2646 #define CLAMP(x, y, z) ((x) = ((x) < (y) ? (y) : ((x) > (z) ? (z) : (x))))
2647
2648         if(redraw)
2649         {
2650                 CLAMP(mwindow->edl->session->crop_x1, 0, mwindow->edl->session->output_w);
2651                 CLAMP(mwindow->edl->session->crop_x2, 0, mwindow->edl->session->output_w);
2652                 CLAMP(mwindow->edl->session->crop_y1, 0, mwindow->edl->session->output_h);
2653                 CLAMP(mwindow->edl->session->crop_y2, 0, mwindow->edl->session->output_h);
2654 // printf("CWindowCanvas::test_crop %d %d %d %d\n",
2655 //      mwindow->edl->session->crop_x2,
2656 //      mwindow->edl->session->crop_y2,
2657 //      mwindow->edl->calculate_output_w(0),
2658 //      mwindow->edl->calculate_output_h(0));
2659         }
2660         return result;
2661 }
2662
2663
2664 void CWindowCanvas::draw_crop()
2665 {
2666         get_canvas()->set_inverse();
2667         get_canvas()->set_color(WHITE);
2668
2669         float x1 = mwindow->edl->session->crop_x1;
2670         float y1 = mwindow->edl->session->crop_y1;
2671         float x2 = mwindow->edl->session->crop_x2;
2672         float y2 = mwindow->edl->session->crop_y2;
2673
2674         output_to_canvas(mwindow->edl, 0, x1, y1);
2675         output_to_canvas(mwindow->edl, 0, x2, y2);
2676
2677         if(x2 - x1 && y2 - y1)
2678                 get_canvas()->draw_rectangle((int)x1,
2679                         (int)y1,
2680                         (int)(x2 - x1),
2681                         (int)(y2 - y1));
2682
2683         draw_crophandle((int)x1, (int)y1);
2684         draw_crophandle((int)x2 - CROPHANDLE_W, (int)y1);
2685         draw_crophandle((int)x1, (int)y2 - CROPHANDLE_H);
2686         draw_crophandle((int)x2 - CROPHANDLE_W, (int)y2 - CROPHANDLE_H);
2687         get_canvas()->set_opaque();
2688 }
2689
2690
2691
2692
2693
2694
2695
2696
2697 void CWindowCanvas::draw_bezier(int do_camera)
2698 {
2699         Track *track = gui->cwindow->calculate_affected_track();
2700
2701         if(!track) return;
2702
2703         float center_x;
2704         float center_y;
2705         float center_z;
2706         int64_t position = track->to_units(
2707                 mwindow->edl->local_session->get_selectionstart(1),
2708                 0);
2709
2710         track->automation->get_projector(&center_x,
2711                 &center_y,
2712                 &center_z,
2713                 position,
2714                 PLAY_FORWARD);
2715
2716 //      center_x += track->track_w / 2;
2717 //      center_y += track->track_h / 2;
2718         center_x += mwindow->edl->session->output_w / 2;
2719         center_y += mwindow->edl->session->output_h / 2;
2720         float track_x1 = center_x - track->track_w / 2 * center_z;
2721         float track_y1 = center_y - track->track_h / 2 * center_z;
2722         float track_x2 = track_x1 + track->track_w * center_z;
2723         float track_y2 = track_y1 + track->track_h * center_z;
2724
2725         output_to_canvas(mwindow->edl, 0, track_x1, track_y1);
2726         output_to_canvas(mwindow->edl, 0, track_x2, track_y2);
2727
2728 #define DRAW_PROJECTION(offset) \
2729         get_canvas()->draw_rectangle((int)track_x1 + offset, \
2730                 (int)track_y1 + offset, \
2731                 (int)(track_x2 - track_x1), \
2732                 (int)(track_y2 - track_y1)); \
2733         get_canvas()->draw_line((int)track_x1 + offset,  \
2734                 (int)track_y1 + offset, \
2735                 (int)track_x2 + offset, \
2736                 (int)track_y2 + offset); \
2737         get_canvas()->draw_line((int)track_x2 + offset,  \
2738                 (int)track_y1 + offset, \
2739                 (int)track_x1 + offset, \
2740                 (int)track_y2 + offset); \
2741
2742
2743 // Drop shadow
2744         get_canvas()->set_color(BLACK);
2745         DRAW_PROJECTION(1);
2746
2747 //      canvas->set_inverse();
2748         if(do_camera)
2749                 get_canvas()->set_color(GREEN);
2750         else
2751                 get_canvas()->set_color(RED);
2752
2753         DRAW_PROJECTION(0);
2754 //      canvas->set_opaque();
2755
2756 }
2757
2758 int CWindowCanvas::test_bezier(int button_press,
2759         int &redraw,
2760         int &redraw_canvas,
2761         int &rerender,
2762         int do_camera)
2763 {
2764         int result = 0;
2765
2766 // Processing drag operation.
2767 // Create keyframe during first cursor motion.
2768         if(!button_press)
2769         {
2770
2771                 float cursor_x = get_cursor_x();
2772                 float cursor_y = get_cursor_y();
2773                 canvas_to_output(mwindow->edl, 0, cursor_x, cursor_y);
2774
2775                 if(gui->current_operation == CWINDOW_CAMERA ||
2776                         gui->current_operation == CWINDOW_PROJECTOR)
2777                 {
2778                         if(!gui->ctrl_down() && gui->shift_down() && !gui->translating_zoom)
2779                         {
2780                                 gui->translating_zoom = 1;
2781                                 gui->reset_affected();
2782                         }
2783                         else
2784                         if(!gui->ctrl_down() && !gui->shift_down() && gui->translating_zoom)
2785                         {
2786                                 gui->translating_zoom = 0;
2787                                 gui->reset_affected();
2788                         }
2789
2790 // Get target keyframe
2791                         float last_center_x;
2792                         float last_center_y;
2793                         float last_center_z;
2794                         int created;
2795
2796                         if(!gui->affected_x && !gui->affected_y && !gui->affected_z)
2797                         {
2798                                 FloatAutos *affected_x_autos;
2799                                 FloatAutos *affected_y_autos;
2800                                 FloatAutos *affected_z_autos;
2801                                 if(!gui->affected_track) return 0;
2802                                 double position = mwindow->edl->local_session->get_selectionstart(1);
2803                                 int64_t track_position = gui->affected_track->to_units(position, 0);
2804
2805                                 if(mwindow->edl->session->cwindow_operation == CWINDOW_CAMERA)
2806                                 {
2807                                         affected_x_autos = (FloatAutos*)gui->affected_track->automation->autos[AUTOMATION_CAMERA_X];
2808                                         affected_y_autos = (FloatAutos*)gui->affected_track->automation->autos[AUTOMATION_CAMERA_Y];
2809                                         affected_z_autos = (FloatAutos*)gui->affected_track->automation->autos[AUTOMATION_CAMERA_Z];
2810                                 }
2811                                 else
2812                                 {
2813                                         affected_x_autos = (FloatAutos*)gui->affected_track->automation->autos[AUTOMATION_PROJECTOR_X];
2814                                         affected_y_autos = (FloatAutos*)gui->affected_track->automation->autos[AUTOMATION_PROJECTOR_Y];
2815                                         affected_z_autos = (FloatAutos*)gui->affected_track->automation->autos[AUTOMATION_PROJECTOR_Z];
2816                                 }
2817
2818
2819                                 if(gui->translating_zoom)
2820                                 {
2821                                         FloatAuto *previous = 0;
2822                                         FloatAuto *next = 0;
2823                                         float new_z = affected_z_autos->get_value(
2824                                                 track_position,
2825                                                 PLAY_FORWARD,
2826                                                 previous,
2827                                                 next);
2828                                         gui->affected_z =
2829                                                 (FloatAuto*)gui->cwindow->calculate_affected_auto(
2830                                                         affected_z_autos, 1, &created, 0);
2831                                         if(created) {
2832                                                 gui->affected_z->set_value(new_z);
2833                                                 redraw_canvas = 1;
2834                                         }
2835                                 }
2836                                 else
2837                                 {
2838                                         FloatAuto *previous = 0;
2839                                         FloatAuto *next = 0;
2840                                         float new_x = affected_x_autos->get_value(
2841                                                 track_position,
2842                                                 PLAY_FORWARD,
2843                                                 previous,
2844                                                 next);
2845                                         previous = 0;
2846                                         next = 0;
2847                                         float new_y = affected_y_autos->get_value(
2848                                                 track_position,
2849                                                 PLAY_FORWARD,
2850                                                 previous,
2851                                                 next);
2852                                         gui->affected_x =
2853                                                 (FloatAuto*)gui->cwindow->calculate_affected_auto(
2854                                                         affected_x_autos, 1, &created, 0);
2855                                         if(created) {
2856                                                 gui->affected_x->set_value(new_x);
2857                                                 redraw_canvas = 1;
2858                                         }
2859                                         gui->affected_y =
2860                                                 (FloatAuto*)gui->cwindow->calculate_affected_auto(
2861                                                         affected_y_autos, 1, &created, 0);
2862                                         if(created) {
2863                                                 gui->affected_y->set_value(new_y);
2864                                                 redraw_canvas = 1;
2865                                         }
2866                                 }
2867
2868                                 calculate_origin();
2869
2870                                 if(gui->translating_zoom)
2871                                 {
2872                                         gui->center_z = gui->affected_z->get_value();
2873                                 }
2874                                 else
2875                                 {
2876                                         gui->center_x = gui->affected_x->get_value();
2877                                         gui->center_y = gui->affected_y->get_value();
2878                                 }
2879
2880                                 rerender = 1;
2881                                 redraw = 1;
2882                         }
2883
2884                         if(gui->translating_zoom)
2885                         {
2886                                 last_center_z = gui->affected_z->get_value();
2887                                 float z = gui->center_z + (cursor_y - gui->y_origin) / 128;
2888                                 if( z < 0 ) z = 0;
2889                                 if(!EQUIV(last_center_z, z))
2890                                 {
2891                                         rerender = 1;
2892                                         redraw = 1;
2893                                         redraw_canvas = 1;
2894                                 }
2895                                 gui->affected_z->set_value(z);
2896                         }
2897                         else
2898                         {
2899                                 last_center_x = gui->affected_x->get_value();
2900                                 last_center_y = gui->affected_y->get_value();
2901                                 float x = gui->center_x + cursor_x - gui->x_origin;
2902                                 float y = gui->center_y + cursor_y - gui->y_origin;
2903                                 gui->affected_x->set_value(x);
2904                                 gui->affected_y->set_value(y);
2905                                 if( !EQUIV(last_center_x, x) || !EQUIV(last_center_y, y) )
2906                                 {
2907                                         rerender = 1;
2908                                         redraw = 1;
2909                                         redraw_canvas = 1;
2910                                 }
2911                                 gui->affected_x->set_value(x);
2912                                 gui->affected_y->set_value(y);
2913                         }
2914                 }
2915
2916                 result = 1;
2917         }
2918         else
2919 // Begin drag operation.  Don't create keyframe here.
2920         {
2921 // Get affected track off of the first recordable video track.
2922 // Calculating based on the alpha channel would require recording what layer
2923 // each output pixel belongs to as they're rendered and stacked.  Forget it.
2924                 gui->affected_track = gui->cwindow->calculate_affected_track();
2925                 gui->reset_affected();
2926
2927                 if(gui->affected_track)
2928                 {
2929                         if(gui->current_operation == CWINDOW_CAMERA)
2930                                 mwindow->undo->update_undo_before(_("camera"), this);
2931                         else
2932                                 mwindow->undo->update_undo_before(_("projector"), this);
2933
2934                         gui->current_operation =
2935                                 mwindow->edl->session->cwindow_operation;
2936                         gui->tool_panel->raise_window();
2937                         result = 1;
2938                 }
2939         }
2940
2941         return result;
2942 }
2943
2944
2945 int CWindowCanvas::test_zoom(int &redraw)
2946 {
2947         int result = 0;
2948         float x, y;
2949         float zoom = 0;
2950
2951         if( mwindow->edl->session->cwindow_scrollbars ) {
2952                 if( *gui->zoom_panel->get_text() != 'x' ) {
2953 // Find current zoom in table
2954                         int idx = total_zooms;  float old_zoom = get_zoom();
2955                         while( --idx >= 0 && !EQUIV(my_zoom_table[idx], old_zoom) );
2956                         if( idx >= 0 ) {
2957                                 idx += get_buttonpress() == 5 ||
2958                                          gui->ctrl_down() || gui->shift_down() ?  -1 : +1 ;
2959                                 CLAMP(idx, 0, total_zooms-1);
2960                                 zoom = my_zoom_table[idx];
2961                         }
2962                 }
2963                 x = get_cursor_x();  y = get_cursor_y();
2964                 if( !zoom ) {
2965                         mwindow->edl->session->cwindow_scrollbars = 0;
2966                         gui->zoom_panel->update(0);
2967                         zoom = gui->get_auto_zoom();
2968                 }
2969                 else {
2970                         gui->zoom_panel->ZoomPanel::update(zoom);
2971                         float output_x = x, output_y = y;
2972                         canvas_to_output(mwindow->edl, 0, output_x, output_y);
2973                         x = output_x - x / zoom;
2974                         y = output_y - y / zoom;
2975                 }
2976         }
2977         else {
2978                 mwindow->edl->session->cwindow_scrollbars = 1;
2979                 x = (mwindow->edl->session->output_w - w) / 2;
2980                 y = (mwindow->edl->session->output_h - h) / 2;
2981                 zoom = 1;
2982         }
2983         update_zoom((int)x, (int)y, zoom);
2984
2985         gui->composite_panel->cpanel_zoom->update(zoom);
2986
2987         reposition_window(mwindow->edl,
2988                         mwindow->theme->ccanvas_x, mwindow->theme->ccanvas_y,
2989                         mwindow->theme->ccanvas_w, mwindow->theme->ccanvas_h);
2990         redraw = 1;  result = 1;
2991
2992         return result;
2993 }
2994
2995
2996 void CWindowCanvas::calculate_origin()
2997 {
2998         gui->x_origin = get_cursor_x();
2999         gui->y_origin = get_cursor_y();
3000 //printf("CWindowCanvas::calculate_origin 1 %f %f\n", gui->x_origin, gui->y_origin);
3001         canvas_to_output(mwindow->edl, 0, gui->x_origin, gui->y_origin);
3002 //printf("CWindowCanvas::calculate_origin 2 %f %f\n", gui->x_origin, gui->y_origin);
3003 }
3004
3005
3006 int CWindowCanvas::cursor_leave_event()
3007 {
3008         set_cursor(ARROW_CURSOR);
3009         return 1;
3010 }
3011
3012 int CWindowCanvas::cursor_enter_event()
3013 {
3014         int redraw = 0;
3015         switch(mwindow->edl->session->cwindow_operation)
3016         {
3017                 case CWINDOW_CAMERA:
3018                 case CWINDOW_PROJECTOR:
3019                         set_cursor(MOVE_CURSOR);
3020                         break;
3021                 case CWINDOW_ZOOM:
3022                         set_cursor(MOVE_CURSOR);
3023                         break;
3024                 case CWINDOW_CROP:
3025                         test_crop(0, redraw);
3026                         break;
3027                 case CWINDOW_PROTECT:
3028                         set_cursor(ARROW_CURSOR);
3029                         break;
3030                 case CWINDOW_MASK:
3031                 case CWINDOW_RULER:
3032                         set_cursor(CROSS_CURSOR);
3033                         break;
3034                 case CWINDOW_EYEDROP:
3035                         set_cursor(CROSS_CURSOR);
3036                         break;
3037         }
3038         return 1;
3039 }
3040
3041 int CWindowCanvas::cursor_motion_event()
3042 {
3043         int redraw = 0, result = 0, rerender = 0, redraw_canvas = 0;
3044
3045
3046 //printf("CWindowCanvas::cursor_motion_event %d current_operation=%d\n", __LINE__, gui->current_operation);
3047         switch(gui->current_operation)
3048         {
3049                 case CWINDOW_SCROLL:
3050                 {
3051                         float zoom = get_zoom();
3052                         float cursor_x = get_cursor_x();
3053                         float cursor_y = get_cursor_y();
3054
3055                         float zoom_x, zoom_y, conformed_w, conformed_h;
3056                         get_zooms(mwindow->edl, 0, zoom_x, zoom_y, conformed_w, conformed_h);
3057                         cursor_x = (float)cursor_x / zoom_x + gui->x_offset;
3058                         cursor_y = (float)cursor_y / zoom_y + gui->y_offset;
3059
3060
3061
3062                         int x = (int)(gui->x_origin - cursor_x + gui->x_offset);
3063                         int y = (int)(gui->y_origin - cursor_y + gui->y_offset);
3064
3065                         update_zoom(x,
3066                                 y,
3067                                 zoom);
3068                         update_scrollbars(0);
3069                         redraw = 1;
3070                         result = 1;
3071                         break;
3072                 }
3073
3074                 case CWINDOW_RULER:
3075                         result = do_ruler(0, 1, 0, 0);
3076                         break;
3077
3078                 case CWINDOW_CAMERA:
3079                         result = test_bezier(0, redraw, redraw_canvas, rerender, 1);
3080                         break;
3081
3082                 case CWINDOW_PROJECTOR:
3083                         result = test_bezier(0, redraw, redraw_canvas, rerender, 0);
3084                         break;
3085
3086
3087                 case CWINDOW_CROP:
3088                         result = test_crop(0, redraw);
3089 // printf("CWindowCanvas::cursor_motion_event %d result=%d redraw=%d\n",
3090 // __LINE__,
3091 // result,
3092 // redraw);
3093                         break;
3094
3095                 case CWINDOW_MASK:
3096                 case CWINDOW_MASK_CONTROL_IN:
3097                 case CWINDOW_MASK_CONTROL_OUT:
3098                 case CWINDOW_MASK_TRANSLATE:
3099
3100                         result = do_mask(redraw,
3101                                 rerender,
3102                                 0,
3103                                 1,
3104                                 0);
3105                         break;
3106
3107                 case CWINDOW_EYEDROP:
3108                         result = do_eyedrop(rerender, 0, 0);
3109                         break;
3110
3111                 default:
3112                         break;
3113
3114         }
3115
3116
3117 // cursor font changes
3118         if(!result)
3119         {
3120 // printf("CWindowCanvas::cursor_motion_event %d cwindow_operation=%d\n",
3121 // __LINE__,
3122 // mwindow->edl->session->cwindow_operation);
3123                 switch(mwindow->edl->session->cwindow_operation)
3124                 {
3125                         case CWINDOW_CROP:
3126                                 result = test_crop(0, redraw);
3127                                 break;
3128                         case CWINDOW_RULER:
3129                                 result = do_ruler(0, 1, 0, 0);
3130                                 break;
3131                         case CWINDOW_MASK:
3132                                 result = do_mask(redraw,
3133                                         rerender,
3134                                         0,
3135                                         1,
3136                                         0);
3137                                         break;
3138                 }
3139         }
3140
3141
3142 // If the window is never unlocked before calling send_command the
3143 // display shouldn't get stuck on the old video frame although it will
3144 // flicker between the old video frame and the new video frame.
3145
3146         if(redraw)
3147         {
3148                 draw_refresh();
3149                 gui->update_tool();
3150         }
3151
3152         if(redraw_canvas)
3153         {
3154                 gui->unlock_window();
3155
3156
3157                 mwindow->gui->lock_window("CWindowCanvas::cursor_motion_event 1");
3158                 mwindow->gui->draw_overlays(1);
3159                 mwindow->gui->unlock_window();
3160
3161                 gui->lock_window("CWindowCanvas::cursor_motion_event 1");
3162         }
3163
3164         if(rerender)
3165         {
3166                 gui->unlock_window();
3167                 mwindow->restart_brender();
3168                 mwindow->sync_parameters(CHANGE_PARAMS);
3169                 gui->cwindow->playback_engine->que->send_command(CURRENT_FRAME,
3170                         CHANGE_NONE,
3171                         mwindow->edl,
3172                         1);
3173                 if(!redraw) gui->update_tool();
3174                 gui->lock_window("CWindowCanvas::cursor_motion_event 2");
3175         }
3176         return result;
3177 }
3178
3179 int CWindowCanvas::button_press_event()
3180 {
3181         int result = 0;
3182         int redraw = 0;
3183         int redraw_canvas = 0;
3184         int rerender = 0;
3185
3186         if(Canvas::button_press_event()) return 1;
3187
3188         gui->translating_zoom = gui->shift_down();
3189
3190         calculate_origin();
3191 //printf("CWindowCanvas::button_press_event 2 %f %f\n", gui->x_origin, gui->y_origin, gui->x_origin, gui->y_origin);
3192
3193         float zoom_x, zoom_y, conformed_w, conformed_h;
3194         get_zooms(mwindow->edl, 0, zoom_x, zoom_y, conformed_w, conformed_h);
3195         gui->x_offset = get_x_offset(mwindow->edl, 0, zoom_x, conformed_w, conformed_h);
3196         gui->y_offset = get_y_offset(mwindow->edl, 0, zoom_y, conformed_w, conformed_h);
3197
3198 // Scroll view
3199         if(get_buttonpress() == 2)
3200         {
3201                 gui->current_operation = CWINDOW_SCROLL;
3202                 result = 1;
3203         }
3204         else
3205 // Adjust parameter
3206         {
3207                 switch(mwindow->edl->session->cwindow_operation)
3208                 {
3209                         case CWINDOW_RULER:
3210                                 result = do_ruler(0, 0, 1, 0);
3211                                 break;
3212
3213                         case CWINDOW_CAMERA:
3214                                 result = test_bezier(1, redraw, redraw_canvas, rerender, 1);
3215                                 break;
3216
3217                         case CWINDOW_PROJECTOR:
3218                                 result = test_bezier(1, redraw, redraw_canvas, rerender, 0);
3219                                 break;
3220
3221                         case CWINDOW_ZOOM:
3222                                 result = test_zoom(redraw);
3223                                 break;
3224
3225                         case CWINDOW_CROP:
3226                                 result = test_crop(1, redraw);
3227                                 break;
3228
3229                         case CWINDOW_MASK:
3230                                 if(get_buttonpress() == 1)
3231                                         result = do_mask(redraw, rerender, 1, 0, 0);
3232                                 break;
3233
3234                         case CWINDOW_EYEDROP:
3235                                 result = do_eyedrop(rerender, 1, 0);
3236                                 break;
3237                 }
3238         }
3239
3240         if(redraw)
3241         {
3242                 draw_refresh();
3243                 gui->unlock_window();
3244
3245
3246                 mwindow->gui->lock_window("CWindowCanvas::button_press_event 1");
3247                 mwindow->gui->draw_overlays(1);
3248                 mwindow->gui->unlock_window();
3249                 gui->update_tool();
3250
3251                 gui->lock_window("CWindowCanvas::button_press_event 1");
3252         }
3253
3254 // rerendering can also be caused by press event
3255         if(rerender)
3256         {
3257                 gui->unlock_window();
3258
3259                 mwindow->restart_brender();
3260                 mwindow->sync_parameters(CHANGE_PARAMS);
3261                 gui->cwindow->playback_engine->que->send_command(CURRENT_FRAME,
3262                         CHANGE_NONE,
3263                         mwindow->edl,
3264                         1);
3265                 if(!redraw) gui->update_tool();
3266                 gui->lock_window("CWindowCanvas::button_press_event 2");
3267         }
3268         return result;
3269 }
3270
3271 int CWindowCanvas::button_release_event()
3272 {
3273         int result = 0;
3274
3275         switch(gui->current_operation)
3276         {
3277                 case CWINDOW_SCROLL:
3278                         result = 1;
3279                         break;
3280
3281                 case CWINDOW_RULER:
3282                         do_ruler(0, 0, 0, 1);
3283                         break;
3284
3285                 case CWINDOW_CAMERA:
3286                         mwindow->undo->update_undo_after(_("camera"), LOAD_AUTOMATION);
3287                         break;
3288
3289                 case CWINDOW_PROJECTOR:
3290                         mwindow->undo->update_undo_after(_("projector"), LOAD_AUTOMATION);
3291                         break;
3292
3293                 case CWINDOW_MASK:
3294                 case CWINDOW_MASK_CONTROL_IN:
3295                 case CWINDOW_MASK_CONTROL_OUT:
3296                 case CWINDOW_MASK_TRANSLATE:
3297 // Finish mask operation
3298                         gui->mask_keyframe = 0;
3299                         mwindow->undo->update_undo_after(_("mask"), LOAD_AUTOMATION);
3300                         break;
3301                 case CWINDOW_NONE:
3302                         result = Canvas::button_release_event();
3303                         break;
3304         }
3305
3306         gui->current_operation = CWINDOW_NONE;
3307         return result;
3308 }
3309
3310 void CWindowCanvas::zoom_resize_window(float percentage)
3311 {
3312         int canvas_w, canvas_h;
3313         int new_w, new_h;
3314
3315
3316 // Get required canvas size
3317         calculate_sizes(mwindow->edl->get_aspect_ratio(),
3318                 mwindow->edl->session->output_w,
3319                 mwindow->edl->session->output_h,
3320                 percentage,
3321                 canvas_w,
3322                 canvas_h);
3323
3324 // Estimate window size from current borders
3325         new_w = canvas_w + (gui->get_w() - mwindow->theme->ccanvas_w);
3326         new_h = canvas_h + (gui->get_h() - mwindow->theme->ccanvas_h);
3327
3328 //printf("CWindowCanvas::zoom_resize_window %d %d %d\n", __LINE__, new_w, new_h);
3329         mwindow->session->cwindow_w = new_w;
3330         mwindow->session->cwindow_h = new_h;
3331
3332         mwindow->theme->get_cwindow_sizes(gui,
3333                 mwindow->session->cwindow_controls);
3334
3335 // Estimate again from new borders
3336         new_w = canvas_w + (mwindow->session->cwindow_w - mwindow->theme->ccanvas_w);
3337         new_h = canvas_h + (mwindow->session->cwindow_h - mwindow->theme->ccanvas_h);
3338 //printf("CWindowCanvas::zoom_resize_window %d %d %d\n", __LINE__, new_w, new_h);
3339
3340         gui->resize_window(new_w, new_h);
3341         gui->resize_event(new_w, new_h);
3342 }
3343
3344 void CWindowCanvas::toggle_controls()
3345 {
3346         mwindow->session->cwindow_controls = !mwindow->session->cwindow_controls;
3347         gui->resize_event(gui->get_w(), gui->get_h());
3348 }
3349
3350 int CWindowCanvas::get_cwindow_controls()
3351 {
3352         return mwindow->session->cwindow_controls;
3353 }
3354
3355
3356