cinelerra-5.1/cinelerra/cwindowgui.C

   1
   2 /*
   3  * CINELERRA
   4  * Copyright (C) 1997-2014 Adam Williams <broadcast at earthling dot net>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  *
  20  */
  21
  22 #include "automation.h"
  23 #include "autos.h"
  24 #include "bcsignals.h"
  25 #include "canvas.h"
  26 #include "clip.h"
  27 #include "cpanel.h"
  28 #include "cplayback.h"
  29 #include "ctimebar.h"
  30 #include "cursors.h"
  31 #include "cwindowgui.h"
  32 #include "cwindow.h"
  33 #include "cwindowtool.h"
  34 #include "editpanel.h"
  35 #include "edl.h"
  36 #include "edlsession.h"
  37 #include "floatauto.h"
  38 #include "floatautos.h"
  39 #include "keys.h"
  40 #include "language.h"
  41 #include "localsession.h"
  42 #include "mainclock.h"
  43 #include "mainmenu.h"
  44 #include "mainundo.h"
  45 #include "mainsession.h"
  46 #include "maskauto.h"
  47 #include "maskautos.h"
  48 #include "mbuttons.h"
  49 #include "meterpanel.h"
  50 #include "mwindowgui.h"
  51 #include "mwindow.h"
  52 #include "mwindow.h"
  53 #include "playback3d.h"
  54 #include "playtransport.h"
  55 #include "theme.h"
  56 #include "trackcanvas.h"
  57 #include "tracks.h"
  58 #include "transportque.h"
  59 #include "vtrack.h"
  60
  61
  62 static double my_zoom_table[] =
  63 {
  64         0.25,
  65         0.33,
  66         0.50,
  67         0.75,
  68         1.0,
  69         1.5,
  70         2.0,
  71         3.0,
  72         4.0
  73 };
  74
  75 static int total_zooms = sizeof(my_zoom_table) / sizeof(double);
  76
  77
  78 CWindowGUI::CWindowGUI(MWindow *mwindow, CWindow *cwindow)
  79  : BC_Window(_(PROGRAM_NAME ": Compositor"),
  80         mwindow->session->cwindow_x,
  81     mwindow->session->cwindow_y,
  82     mwindow->session->cwindow_w,
  83     mwindow->session->cwindow_h,
  84     100,
  85     100,
  86     1,
  87     1,
  88     1,
  89         BC_WindowBase::get_resources()->bg_color,
  90         mwindow->get_cwindow_display())
  91 {
  92         this->mwindow = mwindow;
  93         this->cwindow = cwindow;
  94         affected_track = 0;
  95         affected_x = 0;
  96         affected_y = 0;
  97         affected_z = 0;
  98         mask_keyframe = 0;
  99         orig_mask_keyframe = new MaskAuto(0, 0);
 100         affected_point = 0;
 101         x_offset = 0;
 102         y_offset = 0;
 103         x_origin = 0;
 104         y_origin = 0;
 105         current_operation = CWINDOW_NONE;
 106         tool_panel = 0;
 107         translating_zoom = 0;
 108         active = 0;
 109         inactive = 0;
 110         crop_translate = 0;
 111         eyedrop_visible = 0;
 112 }
 113
 114 CWindowGUI::~CWindowGUI()
 115 {
 116         if(tool_panel) delete tool_panel;
 117         delete meters;
 118         delete composite_panel;
 119         delete canvas;
 120         delete transport;
 121         delete edit_panel;
 122         delete zoom_panel;
 123         delete active;
 124         delete inactive;
 125         delete orig_mask_keyframe;
 126 }
 127
 128 void CWindowGUI::create_objects()
 129 {
 130         lock_window("CWindowGUI::create_objects");
 131         set_icon(mwindow->theme->get_image("cwindow_icon"));
 132
 133         active = new BC_Pixmap(this, mwindow->theme->get_image("cwindow_active"));
 134         inactive = new BC_Pixmap(this, mwindow->theme->get_image("cwindow_inactive"));
 135
 136         mwindow->theme->get_cwindow_sizes(this, mwindow->session->cwindow_controls);
 137         mwindow->theme->draw_cwindow_bg(this);
 138         flash();
 139
 140 // Meters required by composite panel
 141         meters = new CWindowMeters(mwindow,
 142                 this,
 143                 mwindow->theme->cmeter_x,
 144                 mwindow->theme->cmeter_y,
 145                 mwindow->theme->cmeter_h);
 146         meters->create_objects();
 147
 148
 149         composite_panel = new CPanel(mwindow,
 150                 this,
 151                 mwindow->theme->ccomposite_x,
 152                 mwindow->theme->ccomposite_y,
 153                 mwindow->theme->ccomposite_w,
 154                 mwindow->theme->ccomposite_h);
 155         composite_panel->create_objects();
 156
 157         canvas = new CWindowCanvas(mwindow, this);
 158
 159         canvas->create_objects(mwindow->edl);
 160         canvas->use_cwindow();
 161
 162
 163         add_subwindow(timebar = new CTimeBar(mwindow,
 164                 this,
 165                 mwindow->theme->ctimebar_x,
 166                 mwindow->theme->ctimebar_y,
 167                 mwindow->theme->ctimebar_w,
 168                 mwindow->theme->ctimebar_h));
 169         timebar->create_objects();
 170
 171 #ifdef USE_SLIDER
 172         add_subwindow(slider = new CWindowSlider(mwindow,
 173                 cwindow,
 174                 mwindow->theme->cslider_x,
 175                 mwindow->theme->cslider_y,
 176                 mwindow->theme->cslider_w));
 177 #endif
 178
 179         transport = new CWindowTransport(mwindow,
 180                 this,
 181                 mwindow->theme->ctransport_x,
 182                 mwindow->theme->ctransport_y);
 183         transport->create_objects();
 184 #ifdef USE_SLIDER
 185         transport->set_slider(slider);
 186 #endif
 187
 188         edit_panel = new CWindowEditing(mwindow, cwindow);
 189         edit_panel->set_meters(meters);
 190         edit_panel->create_objects();
 191
 192 //      add_subwindow(clock = new MainClock(mwindow,
 193 //              mwindow->theme->ctime_x,
 194 //              mwindow->theme->ctime_y));
 195
 196         zoom_panel = new CWindowZoom(mwindow,
 197                 this,
 198                 mwindow->theme->czoom_x,
 199                 mwindow->theme->czoom_y,
 200                 mwindow->theme->czoom_w);
 201         zoom_panel->create_objects();
 202         zoom_panel->zoom_text->add_item(new BC_MenuItem(AUTO_ZOOM));
 203         if(!mwindow->edl->session->cwindow_scrollbars) zoom_panel->set_text(AUTO_ZOOM);
 204
 205 //      destination = new CWindowDestination(mwindow,
 206 //              this,
 207 //              mwindow->theme->cdest_x,
 208 //              mwindow->theme->cdest_y);
 209 //      destination->create_objects();
 210
 211 // Must create after meter panel
 212         tool_panel = new CWindowTool(mwindow, this);
 213         tool_panel->Thread::start();
 214
 215
 216         set_operation(mwindow->edl->session->cwindow_operation);
 217
 218
 219
 220         canvas->draw_refresh(0);
 221
 222
 223         draw_status(0);
 224         unlock_window();
 225 }
 226
 227 int CWindowGUI::translation_event()
 228 {
 229         mwindow->session->cwindow_x = get_x();
 230         mwindow->session->cwindow_y = get_y();
 231         return 0;
 232 }
 233
 234 int CWindowGUI::resize_event(int w, int h)
 235 {
 236         mwindow->session->cwindow_x = get_x();
 237         mwindow->session->cwindow_y = get_y();
 238         mwindow->session->cwindow_w = w;
 239         mwindow->session->cwindow_h = h;
 240
 241         mwindow->theme->get_cwindow_sizes(this, mwindow->session->cwindow_controls);
 242         mwindow->theme->draw_cwindow_bg(this);
 243         flash(0);
 244
 245         composite_panel->reposition_buttons(mwindow->theme->ccomposite_x,
 246                 mwindow->theme->ccomposite_y);
 247
 248         canvas->reposition_window(mwindow->edl,
 249                 mwindow->theme->ccanvas_x,
 250                 mwindow->theme->ccanvas_y,
 251                 mwindow->theme->ccanvas_w,
 252                 mwindow->theme->ccanvas_h);
 253
 254         timebar->resize_event();
 255
 256 #ifdef USE_SLIDER
 257         slider->reposition_window(mwindow->theme->cslider_x,
 258                 mwindow->theme->cslider_y,
 259                 mwindow->theme->cslider_w);
 260 // Recalibrate pointer motion range
 261         slider->set_position();
 262 #endif
 263
 264         transport->reposition_buttons(mwindow->theme->ctransport_x,
 265                 mwindow->theme->ctransport_y);
 266
 267         edit_panel->reposition_buttons(mwindow->theme->cedit_x,
 268                 mwindow->theme->cedit_y);
 269
 270 //      clock->reposition_window(mwindow->theme->ctime_x,
 271 //              mwindow->theme->ctime_y);
 272
 273         zoom_panel->reposition_window(mwindow->theme->czoom_x,
 274                 mwindow->theme->czoom_y);
 275
 276 //      destination->reposition_window(mwindow->theme->cdest_x,
 277 //              mwindow->theme->cdest_y);
 278
 279         meters->reposition_window(mwindow->theme->cmeter_x,
 280                 mwindow->theme->cmeter_y,
 281                 -1,
 282                 mwindow->theme->cmeter_h);
 283
 284         draw_status(0);
 285
 286         BC_WindowBase::resize_event(w, h);
 287         return 1;
 288 }
 289
 290 int CWindowGUI::button_press_event()
 291 {
 292         if(canvas->get_canvas())
 293                 return canvas->button_press_event_base(canvas->get_canvas());
 294         return 0;
 295 }
 296
 297 int CWindowGUI::cursor_leave_event()
 298 {
 299         if(canvas->get_canvas())
 300                 return canvas->cursor_leave_event_base(canvas->get_canvas());
 301         return 0;
 302 }
 303
 304 int CWindowGUI::cursor_enter_event()
 305 {
 306         if(canvas->get_canvas())
 307                 return canvas->cursor_enter_event_base(canvas->get_canvas());
 308         return 0;
 309 }
 310
 311 int CWindowGUI::button_release_event()
 312 {
 313         if(canvas->get_canvas())
 314                 return canvas->button_release_event();
 315         return 0;
 316 }
 317
 318 int CWindowGUI::cursor_motion_event()
 319 {
 320         if(canvas->get_canvas())
 321         {
 322                 canvas->get_canvas()->unhide_cursor();
 323                 return canvas->cursor_motion_event();
 324         }
 325         return 0;
 326 }
 327
 328
 329
 330
 331
 332
 333
 334 void CWindowGUI::draw_status(int flush)
 335 {
 336         if( (canvas->get_canvas() && canvas->get_canvas()->get_video_on()) ||
 337                 canvas->is_processing )
 338         {
 339                 draw_pixmap(active,
 340                         mwindow->theme->cstatus_x,
 341                         mwindow->theme->cstatus_y);
 342         }
 343         else
 344         {
 345                 draw_pixmap(inactive,
 346                         mwindow->theme->cstatus_x,
 347                         mwindow->theme->cstatus_y);
 348         }
 349
 350
 351 // printf("CWindowGUI::draw_status %d %d %d\n", __LINE__, mwindow->theme->cstatus_x,
 352 //              mwindow->theme->cstatus_y);
 353         flash(mwindow->theme->cstatus_x,
 354                 mwindow->theme->cstatus_y,
 355                 active->get_w(),
 356                 active->get_h(),
 357                 flush);
 358 }
 359
 360
 361 void CWindowGUI::zoom_canvas(int do_auto, double value, int update_menu)
 362 {
 363         if(do_auto)
 364                 mwindow->edl->session->cwindow_scrollbars = 0;
 365         else
 366                 mwindow->edl->session->cwindow_scrollbars = 1;
 367
 368         float old_zoom = mwindow->edl->session->cwindow_zoom;
 369         float new_zoom = value;
 370         float x = canvas->w / 2.0;
 371         float y = canvas->h / 2.0;
 372         canvas->canvas_to_output(mwindow->edl,
 373                                 0,
 374                                 x,
 375                                 y);
 376         x -= canvas->w_visible / 2 * old_zoom / new_zoom;
 377         y -= canvas->h_visible / 2 * old_zoom / new_zoom;
 378         if(update_menu)
 379         {
 380                 if(do_auto)
 381                 {
 382                         zoom_panel->update(AUTO_ZOOM);
 383                 }
 384                 else
 385                 {
 386                         zoom_panel->update(value);
 387                 }
 388         }
 389
 390         canvas->update_zoom((int)x,
 391                 (int)y,
 392                 new_zoom);
 393         canvas->reposition_window(mwindow->edl,
 394                 mwindow->theme->ccanvas_x,
 395                 mwindow->theme->ccanvas_y,
 396                 mwindow->theme->ccanvas_w,
 397                 mwindow->theme->ccanvas_h);
 398         canvas->draw_refresh();
 399 }
 400
 401
 402
 403 void CWindowGUI::set_operation(int value)
 404 {
 405         mwindow->edl->session->cwindow_operation = value;
 406
 407         composite_panel->set_operation(value);
 408         edit_panel->update();
 409
 410         tool_panel->start_tool(value);
 411         canvas->draw_refresh();
 412 }
 413
 414 void CWindowGUI::update_tool()
 415 {
 416         tool_panel->update_values();
 417 }
 418
 419 int CWindowGUI::close_event()
 420 {
 421         cwindow->hide_window();
 422         return 1;
 423 }
 424
 425
 426 int CWindowGUI::keypress_event()
 427 {
 428         int result = 0;
 429
 430         switch(get_keypress())
 431         {
 432                 case 'w':
 433                 case 'W':
 434                         close_event();
 435                         result = 1;
 436                         break;
 437                 case '+':
 438                 case '=':
 439                         keyboard_zoomin();
 440                         result = 1;
 441                         break;
 442                 case '-':
 443                         keyboard_zoomout();
 444                         result = 1;
 445                         break;
 446                 case 'f':
 447                         unlock_window();
 448                         if(mwindow->session->cwindow_fullscreen)
 449                                 canvas->stop_fullscreen();
 450                         else
 451                                 canvas->start_fullscreen();
 452                         lock_window("CWindowGUI::keypress_event 1");
 453                         break;
 454                 case 'x':
 455                         unlock_window();
 456                         mwindow->gui->lock_window("CWindowGUI::keypress_event 2");
 457                         mwindow->cut();
 458                         mwindow->gui->unlock_window();
 459                         lock_window("CWindowGUI::keypress_event 2");
 460                         break;
 461                 case BACKSPACE:
 462                         unlock_window();
 463                         mwindow->gui->lock_window("CWindowGUI::keypress_event 2");
 464                         mwindow->clear_entry();
 465                         mwindow->gui->unlock_window();
 466                         lock_window("CWindowGUI::keypress_event 3");
 467                         break;
 468                 case ESC:
 469                         unlock_window();
 470                         if(mwindow->session->cwindow_fullscreen)
 471                                 canvas->stop_fullscreen();
 472                         lock_window("CWindowGUI::keypress_event 4");
 473                         break;
 474                 case LEFT:
 475                         if(!ctrl_down())
 476                         {
 477                                 if (alt_down())
 478                                 {
 479                                         int shift_down = this->shift_down();
 480                                         unlock_window();
 481                                         mwindow->gui->mbuttons->transport->handle_transport(STOP, 1, 0, 0);
 482
 483                                         mwindow->gui->lock_window("CWindowGUI::keypress_event 2");
 484                                         mwindow->prev_edit_handle(shift_down);
 485                                         mwindow->gui->unlock_window();
 486
 487                                         lock_window("CWindowGUI::keypress_event 1");
 488                                 }
 489                                 else
 490                                 {
 491                                         unlock_window();
 492
 493                                         mwindow->gui->lock_window("CWindowGUI::keypress_event 3");
 494                                         mwindow->move_left();
 495                                         mwindow->gui->unlock_window();
 496
 497                                         lock_window("CWindowGUI::keypress_event 2");
 498                                 }
 499                                 result = 1;
 500                         }
 501                         break;
 502                 case RIGHT:
 503                         if(!ctrl_down())
 504                         {
 505                                 if (alt_down())
 506                                 {
 507                                         int shift_down = this->shift_down();
 508                                         unlock_window();
 509                                         mwindow->gui->mbuttons->transport->handle_transport(STOP, 1, 0, 0);
 510
 511                                         mwindow->gui->lock_window("CWindowGUI::keypress_event 2");
 512                                         mwindow->next_edit_handle(shift_down);
 513                                         mwindow->gui->unlock_window();
 514
 515                                         lock_window("CWindowGUI::keypress_event 2");
 516                                 }
 517                                 else
 518                                 {
 519                                         unlock_window();
 520
 521                                         mwindow->gui->lock_window("CWindowGUI::keypress_event 4");
 522                                         mwindow->move_right();
 523                                         mwindow->gui->unlock_window();
 524
 525                                         lock_window("CWindowGUI::keypress_event 3");
 526                                 }
 527                                 result = 1;
 528                         }
 529                         break;
 530         }
 531
 532         if(!result) result = transport->keypress_event();
 533
 534         return result;
 535 }
 536
 537
 538 void CWindowGUI::reset_affected()
 539 {
 540         affected_x = 0;
 541         affected_y = 0;
 542         affected_z = 0;
 543 }
 544
 545 void CWindowGUI::keyboard_zoomin()
 546 {
 547 //      if(mwindow->edl->session->cwindow_scrollbars)
 548 //      {
 549                 zoom_panel->zoom_tumbler->handle_up_event();
 550 //      }
 551 //      else
 552 //      {
 553 //      }
 554 }
 555
 556 void CWindowGUI::keyboard_zoomout()
 557 {
 558 //      if(mwindow->edl->session->cwindow_scrollbars)
 559 //      {
 560                 zoom_panel->zoom_tumbler->handle_down_event();
 561 //      }
 562 //      else
 563 //      {
 564 //      }
 565 }
 566
 567
 568 void CWindowGUI::drag_motion()
 569 {
 570         if(get_hidden()) return;
 571
 572         if(mwindow->session->current_operation == DRAG_ASSET ||
 573                 mwindow->session->current_operation == DRAG_VTRANSITION ||
 574                 mwindow->session->current_operation == DRAG_VEFFECT)
 575         {
 576                 int old_status = mwindow->session->ccanvas_highlighted;
 577                 int cursor_x = get_relative_cursor_x();
 578                 int cursor_y = get_relative_cursor_y();
 579
 580                 mwindow->session->ccanvas_highlighted = get_cursor_over_window() &&
 581                         cursor_x >= canvas->x &&
 582                         cursor_x < canvas->x + canvas->w &&
 583                         cursor_y >= canvas->y &&
 584                         cursor_y < canvas->y + canvas->h;
 585
 586
 587                 if(old_status != mwindow->session->ccanvas_highlighted)
 588                         canvas->draw_refresh();
 589         }
 590 }
 591
 592 int CWindowGUI::drag_stop()
 593 {
 594         int result = 0;
 595         if(get_hidden()) return 0;
 596
 597         if((mwindow->session->current_operation == DRAG_ASSET ||
 598                 mwindow->session->current_operation == DRAG_VTRANSITION ||
 599                 mwindow->session->current_operation == DRAG_VEFFECT) &&
 600                 mwindow->session->ccanvas_highlighted)
 601         {
 602 // Hide highlighting
 603                 mwindow->session->ccanvas_highlighted = 0;
 604                 canvas->draw_refresh();
 605                 result = 1;
 606         }
 607         else
 608                 return 0;
 609
 610         if(mwindow->session->current_operation == DRAG_ASSET)
 611         {
 612                 if(mwindow->session->drag_assets->total ||
 613                         mwindow->session->drag_clips->total)
 614                 {
 615                         mwindow->gui->lock_window("CWindowGUI::drag_stop 5");
 616                         mwindow->undo->update_undo_before(_("insert assets"), 0);
 617                         mwindow->gui->unlock_window();
 618                 }
 619
 620                 if(mwindow->session->drag_assets->total)
 621                 {
 622                         mwindow->gui->lock_window("CWindowGUI::drag_stop 1");
 623                         mwindow->clear(0);
 624                         mwindow->load_assets(mwindow->session->drag_assets,
 625                                 mwindow->edl->local_session->get_selectionstart(),
 626                                 LOADMODE_PASTE,
 627                                 mwindow->session->track_highlighted,
 628                                 0,
 629                                 mwindow->edl->session->labels_follow_edits,
 630                                 mwindow->edl->session->plugins_follow_edits,
 631                                 mwindow->edl->session->autos_follow_edits,
 632                                 0); // overwrite
 633                 }
 634
 635                 if(mwindow->session->drag_clips->total)
 636                 {
 637                         mwindow->gui->lock_window("CWindowGUI::drag_stop 2");
 638                         mwindow->clear(0);
 639                         mwindow->paste_edls(mwindow->session->drag_clips,
 640                                 LOADMODE_PASTE,
 641                                 mwindow->session->track_highlighted,
 642                                 mwindow->edl->local_session->get_selectionstart(),
 643                                 mwindow->edl->session->labels_follow_edits,
 644                                 mwindow->edl->session->plugins_follow_edits,
 645                                 mwindow->edl->session->autos_follow_edits,
 646                                 0); // overwrite
 647                 }
 648
 649                 if(mwindow->session->drag_assets->total ||
 650                         mwindow->session->drag_clips->total)
 651                 {
 652                         mwindow->save_backup();
 653                         mwindow->restart_brender();
 654                         mwindow->gui->update(1, 1, 1, 1, 0, 1, 0);
 655                         mwindow->undo->update_undo_after(_("insert assets"), LOAD_ALL);
 656                         mwindow->gui->unlock_window();
 657                         mwindow->sync_parameters(LOAD_ALL);
 658                 }
 659         }
 660
 661         if(mwindow->session->current_operation == DRAG_VEFFECT)
 662         {
 663 //printf("CWindowGUI::drag_stop 1\n");
 664                 Track *affected_track = cwindow->calculate_affected_track();
 665 //printf("CWindowGUI::drag_stop 2\n");
 666
 667                 mwindow->gui->lock_window("CWindowGUI::drag_stop 3");
 668                 mwindow->insert_effects_cwindow(affected_track);
 669                 mwindow->session->current_operation = NO_OPERATION;
 670                 mwindow->gui->unlock_window();
 671         }
 672
 673         if(mwindow->session->current_operation == DRAG_VTRANSITION)
 674         {
 675                 Track *affected_track = cwindow->calculate_affected_track();
 676                 mwindow->gui->lock_window("CWindowGUI::drag_stop 4");
 677                 mwindow->paste_transition_cwindow(affected_track);
 678                 mwindow->session->current_operation = NO_OPERATION;
 679                 mwindow->gui->unlock_window();
 680         }
 681
 682         return result;
 683 }
 684
 685 void CWindowGUI::update_meters()
 686 {
 687         if(mwindow->edl->session->cwindow_meter != meters->visible)
 688         {
 689                 meters->set_meters(meters->meter_count, mwindow->edl->session->cwindow_meter);
 690                 mwindow->theme->get_cwindow_sizes(this, mwindow->session->cwindow_controls);
 691                 resize_event(get_w(), get_h());
 692         }
 693 }
 694
 695
 696 CWindowEditing::CWindowEditing(MWindow *mwindow, CWindow *cwindow)
 697  : EditPanel(mwindow,
 698                 cwindow->gui,
 699                 mwindow->theme->cedit_x,
 700                 mwindow->theme->cedit_y,
 701                 mwindow->edl->session->editing_mode,
 702                 0,
 703                 1,
 704                 0,
 705                 0,
 706                 1,
 707                 1,
 708                 1,
 709                 1,
 710                 1,
 711                 0,
 712                 0, // locklabels
 713                 1,
 714                 1,
 715                 1,
 716                 0,
 717                 1,
 718                 0)
 719 {
 720         this->mwindow = mwindow;
 721         this->cwindow = cwindow;
 722 }
 723
 724 #define CWrapper(fn) void CWindowEditing::fn() { \
 725         mwindow->gui->lock_window("CWrapper::" #fn); \
 726         EditPanel::fn(); \
 727         mwindow->gui->unlock_window(); \
 728 }
 729
 730 CWrapper(copy_selection)
 731 CWrapper(splice_selection)
 732 CWrapper(overwrite_selection)
 733 CWrapper(set_inpoint)
 734 CWrapper(set_outpoint)
 735 CWrapper(clear_inpoint)
 736 CWrapper(clear_outpoint)
 737 CWrapper(to_clip)
 738 CWrapper(toggle_label)
 739 CWrapper(prev_label)
 740 CWrapper(next_label)
 741 CWrapper(prev_edit)
 742 CWrapper(next_edit)
 743
 744
 745
 746 CWindowMeters::CWindowMeters(MWindow *mwindow,
 747         CWindowGUI *gui,
 748         int x,
 749         int y,
 750         int h)
 751  : MeterPanel(mwindow,
 752                 gui,
 753                 x,
 754                 y,
 755                 -1,
 756                 h,
 757                 mwindow->edl->session->audio_channels,
 758                 mwindow->edl->session->cwindow_meter,
 759                 0,
 760                 0)
 761 {
 762         this->mwindow = mwindow;
 763         this->gui = gui;
 764 }
 765
 766 CWindowMeters::~CWindowMeters()
 767 {
 768 }
 769
 770 int CWindowMeters::change_status_event(int new_status)
 771 {
 772         mwindow->edl->session->cwindow_meter = new_status;
 773         gui->update_meters();
 774         return 1;
 775 }
 776
 777
 778
 779
 780 CWindowZoom::CWindowZoom(MWindow *mwindow, CWindowGUI *gui, int x, int y, int w)
 781  : ZoomPanel(mwindow,
 782         gui,
 783         (double)mwindow->edl->session->cwindow_zoom,
 784         x,
 785         y,
 786         w,
 787         my_zoom_table,
 788         total_zooms,
 789         ZOOM_PERCENTAGE)
 790 {
 791         this->mwindow = mwindow;
 792         this->gui = gui;
 793 }
 794
 795 CWindowZoom::~CWindowZoom()
 796 {
 797 }
 798
 799 int CWindowZoom::handle_event()
 800 {
 801         if(!strcasecmp(AUTO_ZOOM, get_text()))
 802         {
 803                 gui->zoom_canvas(1, get_value(), 0);
 804         }
 805         else
 806         {
 807                 gui->zoom_canvas(0, get_value(), 0);
 808         }
 809
 810         return 1;
 811 }
 812
 813
 814
 815 #ifdef USE_SLIDER
 816 CWindowSlider::CWindowSlider(MWindow *mwindow, CWindow *cwindow, int x, int y, int pixels)
 817  : BC_PercentageSlider(x,
 818                         y,
 819                         0,
 820                         pixels,
 821                         pixels,
 822                         0,
 823                         1,
 824                         0)
 825 {
 826         this->mwindow = mwindow;
 827         this->cwindow = cwindow;
 828         set_precision(0.00001);
 829 }
 830
 831 CWindowSlider::~CWindowSlider()
 832 {
 833 }
 834
 835 int CWindowSlider::handle_event()
 836 {
 837         cwindow->update_position((double)get_value());
 838         return 1;
 839 }
 840
 841 void CWindowSlider::set_position()
 842 {
 843         double new_length = mwindow->edl->tracks->total_playable_length();
 844 //      if(mwindow->edl->local_session->preview_end <= 0 ||
 845 //              mwindow->edl->local_session->preview_end > new_length)
 846 //              mwindow->edl->local_session->preview_end = new_length;
 847 //      if(mwindow->edl->local_session->preview_start >
 848 //              mwindow->edl->local_session->preview_end)
 849 //              mwindow->edl->local_session->preview_start = 0;
 850
 851
 852         update(mwindow->theme->cslider_w,
 853                 mwindow->edl->local_session->get_selectionstart(1),
 854                 0,
 855                 new_length);
 856 //              mwindow->edl->local_session->preview_start,
 857 //              mwindow->edl->local_session->preview_end);
 858 }
 859
 860
 861 int CWindowSlider::increase_value()
 862 {
 863         unlock_window();
 864         cwindow->gui->transport->handle_transport(SINGLE_FRAME_FWD);
 865         lock_window("CWindowSlider::increase_value");
 866         return 1;
 867 }
 868
 869 int CWindowSlider::decrease_value()
 870 {
 871         unlock_window();
 872         cwindow->gui->transport->handle_transport(SINGLE_FRAME_REWIND);
 873         lock_window("CWindowSlider::decrease_value");
 874         return 1;
 875 }
 876
 877
 878 // CWindowDestination::CWindowDestination(MWindow *mwindow, CWindowGUI *cwindow, int x, int y)
 879 //  : BC_PopupTextBox(cwindow,
 880 //      &cwindow->destinations,
 881 //      cwindow->destinations.values[cwindow->cwindow->destination]->get_text(),
 882 //      x,
 883 //      y,
 884 //      70,
 885 //      200)
 886 // {
 887 //      this->mwindow = mwindow;
 888 //      this->cwindow = cwindow;
 889 // }
 890 //
 891 // CWindowDestination::~CWindowDestination()
 892 // {
 893 // }
 894 //
 895 // int CWindowDestination::handle_event()
 896 // {
 897 //      return 1;
 898 // }
 899 #endif // USE_SLIDER
 900
 901
 902
 903
 904
 905
 906 CWindowTransport::CWindowTransport(MWindow *mwindow,
 907         CWindowGUI *gui,
 908         int x,
 909         int y)
 910  : PlayTransport(mwindow,
 911         gui,
 912         x,
 913         y)
 914 {
 915         this->gui = gui;
 916 }
 917
 918 EDL* CWindowTransport::get_edl()
 919 {
 920         return mwindow->edl;
 921 }
 922
 923 void CWindowTransport::goto_start()
 924 {
 925         gui->unlock_window();
 926         handle_transport(REWIND, 1);
 927
 928         mwindow->gui->lock_window("CWindowTransport::goto_start 1");
 929         mwindow->goto_start();
 930         mwindow->gui->unlock_window();
 931
 932         gui->lock_window("CWindowTransport::goto_start 2");
 933 }
 934
 935 void CWindowTransport::goto_end()
 936 {
 937         gui->unlock_window();
 938         handle_transport(GOTO_END, 1);
 939
 940         mwindow->gui->lock_window("CWindowTransport::goto_end 1");
 941         mwindow->goto_end();
 942         mwindow->gui->unlock_window();
 943
 944         gui->lock_window("CWindowTransport::goto_end 2");
 945 }
 946
 947
 948
 949 CWindowCanvas::CWindowCanvas(MWindow *mwindow, CWindowGUI *gui)
 950  : Canvas(mwindow,
 951         gui,
 952         mwindow->theme->ccanvas_x,
 953         mwindow->theme->ccanvas_y,
 954         mwindow->theme->ccanvas_w,
 955         mwindow->theme->ccanvas_h,
 956         0,
 957         0,
 958         mwindow->edl->session->cwindow_scrollbars)
 959 {
 960         this->mwindow = mwindow;
 961         this->gui = gui;
 962 }
 963
 964 void CWindowCanvas::status_event()
 965 {
 966         gui->draw_status(1);
 967 }
 968
 969 int CWindowCanvas::get_fullscreen()
 970 {
 971         return mwindow->session->cwindow_fullscreen;
 972 }
 973
 974 void CWindowCanvas::set_fullscreen(int value)
 975 {
 976         mwindow->session->cwindow_fullscreen = value;
 977 }
 978
 979
 980 void CWindowCanvas::update_zoom(int x, int y, float zoom)
 981 {
 982         use_scrollbars = mwindow->edl->session->cwindow_scrollbars;
 983
 984         mwindow->edl->session->cwindow_xscroll = x;
 985         mwindow->edl->session->cwindow_yscroll = y;
 986         mwindow->edl->session->cwindow_zoom = zoom;
 987 }
 988
 989 void CWindowCanvas::zoom_auto()
 990 {
 991         gui->zoom_canvas(1, 1.0, 1);
 992 }
 993
 994 int CWindowCanvas::get_xscroll()
 995 {
 996         return mwindow->edl->session->cwindow_xscroll;
 997 }
 998
 999 int CWindowCanvas::get_yscroll()
1000 {
1001         return mwindow->edl->session->cwindow_yscroll;
1002 }
1003
1004
1005 float CWindowCanvas::get_zoom()
1006 {
1007         return mwindow->edl->session->cwindow_zoom;
1008 }
1009
1010 void CWindowCanvas::draw_refresh(int flush)
1011 {
1012         if(get_canvas() && !get_canvas()->get_video_on())
1013         {
1014
1015                 if(refresh_frame && refresh_frame->get_w()>0 && refresh_frame->get_h()>0)
1016                 {
1017                         float in_x1, in_y1, in_x2, in_y2;
1018                         float out_x1, out_y1, out_x2, out_y2;
1019                         get_transfers(mwindow->edl,
1020                                 in_x1,
1021                                 in_y1,
1022                                 in_x2,
1023                                 in_y2,
1024                                 out_x1,
1025                                 out_y1,
1026                                 out_x2,
1027                                 out_y2);
1028
1029                         if(!EQUIV(out_x1, 0) ||
1030                                 !EQUIV(out_y1, 0) ||
1031                                 !EQUIV(out_x2, get_canvas()->get_w()) ||
1032                                 !EQUIV(out_y2, get_canvas()->get_h()))
1033                         {
1034                                 get_canvas()->clear_box(0,
1035                                         0,
1036                                         get_canvas()->get_w(),
1037                                         get_canvas()->get_h());
1038                         }
1039
1040 //printf("CWindowCanvas::draw_refresh %.2f %.2f %.2f %.2f -> %.2f %.2f %.2f %.2f\n",
1041 //in_x1, in_y1, in_x2, in_y2, out_x1, out_y1, out_x2, out_y2);
1042
1043
1044                         if(out_x2 > out_x1 &&
1045                                 out_y2 > out_y1 &&
1046                                 in_x2 > in_x1 &&
1047                                 in_y2 > in_y1)
1048                         {
1049 // Can't use OpenGL here because it is called asynchronously of the
1050 // playback operation.
1051                                 get_canvas()->draw_vframe(refresh_frame,
1052                                                 (int)out_x1,
1053                                                 (int)out_y1,
1054                                                 (int)(out_x2 - out_x1),
1055                                                 (int)(out_y2 - out_y1),
1056                                                 (int)in_x1,
1057                                                 (int)in_y1,
1058                                                 (int)(in_x2 - in_x1),
1059                                                 (int)(in_y2 - in_y1),
1060                                                 0);
1061                         }
1062                 }
1063                 else
1064                 {
1065                         get_canvas()->clear_box(0,
1066                                 0,
1067                                 get_canvas()->get_w(),
1068                                 get_canvas()->get_h());
1069                 }
1070
1071                 draw_overlays();
1072                 get_canvas()->flash(flush);
1073         }
1074 //printf("CWindowCanvas::draw_refresh 10\n");
1075 }
1076
1077 #define CROPHANDLE_W 10
1078 #define CROPHANDLE_H 10
1079
1080 void CWindowCanvas::draw_crophandle(int x, int y)
1081 {
1082         get_canvas()->draw_box(x, y, CROPHANDLE_W, CROPHANDLE_H);
1083 }
1084
1085
1086
1087
1088
1089
1090 #define CONTROL_W 10
1091 #define CONTROL_H 10
1092 #define FIRST_CONTROL_W 20
1093 #define FIRST_CONTROL_H 20
1094 #undef BC_INFINITY
1095 #define BC_INFINITY 65536
1096
1097 #define RULERHANDLE_W 16
1098 #define RULERHANDLE_H 16
1099
1100
1101
1102 int CWindowCanvas::do_ruler(int draw,
1103         int motion,
1104         int button_press,
1105         int button_release)
1106 {
1107         int result = 0;
1108         float x1 = mwindow->edl->session->ruler_x1;
1109         float y1 = mwindow->edl->session->ruler_y1;
1110         float x2 = mwindow->edl->session->ruler_x2;
1111         float y2 = mwindow->edl->session->ruler_y2;
1112         float canvas_x1 = x1;
1113         float canvas_y1 = y1;
1114         float canvas_x2 = x2;
1115         float canvas_y2 = y2;
1116         float output_x = get_cursor_x();
1117         float output_y = get_cursor_y();
1118         float canvas_cursor_x = output_x;
1119         float canvas_cursor_y = output_y;
1120
1121         canvas_to_output(mwindow->edl, 0, output_x, output_y);
1122         output_to_canvas(mwindow->edl, 0, canvas_x1, canvas_y1);
1123         output_to_canvas(mwindow->edl, 0, canvas_x2, canvas_y2);
1124         mwindow->session->cwindow_output_x = roundf(output_x);
1125         mwindow->session->cwindow_output_y = roundf(output_y);
1126
1127         if(button_press && get_buttonpress() == 1)
1128         {
1129                 gui->ruler_handle = -1;
1130                 gui->ruler_translate = 0;
1131                 if(gui->alt_down())
1132                 {
1133                         gui->ruler_translate = 1;
1134                         gui->ruler_origin_x = x1;
1135                         gui->ruler_origin_y = y1;
1136                 }
1137                 else
1138                 if(canvas_cursor_x >= canvas_x1 - RULERHANDLE_W / 2 &&
1139                         canvas_cursor_x < canvas_x1 + RULERHANDLE_W / 2 &&
1140                         canvas_cursor_y >= canvas_y1 - RULERHANDLE_W &&
1141                         canvas_cursor_y < canvas_y1 + RULERHANDLE_H / 2)
1142                 {
1143                         gui->ruler_handle = 0;
1144                         gui->ruler_origin_x = x1;
1145                         gui->ruler_origin_y = y1;
1146                 }
1147                 else
1148                 if(canvas_cursor_x >= canvas_x2 - RULERHANDLE_W / 2 &&
1149                         canvas_cursor_x < canvas_x2 + RULERHANDLE_W / 2 &&
1150                         canvas_cursor_y >= canvas_y2 - RULERHANDLE_W &&
1151                         canvas_cursor_y < canvas_y2 + RULERHANDLE_H / 2)
1152                 {
1153                         gui->ruler_handle = 1;
1154                         gui->ruler_origin_x = x2;
1155                         gui->ruler_origin_y = y2;
1156                 }
1157
1158
1159 // Start new selection
1160                 if(!gui->ruler_translate &&
1161                         (gui->ruler_handle < 0 ||
1162                         (EQUIV(x2, x1) &&
1163                         EQUIV(y2, y1))))
1164                 {
1165 // Hide previous
1166                         do_ruler(1, 0, 0, 0);
1167                         get_canvas()->flash();
1168                         gui->ruler_handle = 1;
1169                         mwindow->edl->session->ruler_x1 = output_x;
1170                         mwindow->edl->session->ruler_y1 = output_y;
1171                         mwindow->edl->session->ruler_x2 = output_x;
1172                         mwindow->edl->session->ruler_y2 = output_y;
1173                         gui->ruler_origin_x = mwindow->edl->session->ruler_x2;
1174                         gui->ruler_origin_y = mwindow->edl->session->ruler_y2;
1175                 }
1176
1177                 gui->x_origin = output_x;
1178                 gui->y_origin = output_y;
1179                 gui->current_operation = CWINDOW_RULER;
1180                 gui->tool_panel->raise_window();
1181                 result = 1;
1182         }
1183
1184         if(motion)
1185         {
1186                 if(gui->current_operation == CWINDOW_RULER)
1187                 {
1188                         if(gui->ruler_translate)
1189                         {
1190 // Hide ruler
1191                                 do_ruler(1, 0, 0, 0);
1192                                 float x_difference = mwindow->edl->session->ruler_x1;
1193                                 float y_difference = mwindow->edl->session->ruler_y1;
1194                                 mwindow->edl->session->ruler_x1 = output_x - gui->x_origin + gui->ruler_origin_x;
1195                                 mwindow->edl->session->ruler_y1 = output_y - gui->y_origin + gui->ruler_origin_y;
1196                                 x_difference -= mwindow->edl->session->ruler_x1;
1197                                 y_difference -= mwindow->edl->session->ruler_y1;
1198                                 mwindow->edl->session->ruler_x2 -= x_difference;
1199                                 mwindow->edl->session->ruler_y2 -= y_difference;
1200 // Show ruler
1201                                 do_ruler(1, 0, 0, 0);
1202                                 get_canvas()->flash();
1203                                 gui->update_tool();
1204                         }
1205                         else
1206                         switch(gui->ruler_handle)
1207                         {
1208                                 case 0:
1209                                         do_ruler(1, 0, 0, 0);
1210                                         mwindow->edl->session->ruler_x1 = output_x - gui->x_origin + gui->ruler_origin_x;
1211                                         mwindow->edl->session->ruler_y1 = output_y - gui->y_origin + gui->ruler_origin_y;
1212                                         if(gui->alt_down() || gui->ctrl_down())
1213                                         {
1214                                                 double angle_value = fabs(atan((mwindow->edl->session->ruler_y2 - mwindow->edl->session->ruler_y1) /
1215                                                         (mwindow->edl->session->ruler_x2 - mwindow->edl->session->ruler_x1)) *
1216                                                         360 /
1217                                                         2 /
1218                                                         M_PI);
1219                                                 double distance_value =
1220                                                         sqrt(SQR(mwindow->edl->session->ruler_x2 - mwindow->edl->session->ruler_x1) +
1221                                                         SQR(mwindow->edl->session->ruler_y2 - mwindow->edl->session->ruler_y1));
1222                                                 if(angle_value < 22)
1223                                                         mwindow->edl->session->ruler_y1 = mwindow->edl->session->ruler_y2;
1224                                                 else
1225                                                 if(angle_value > 67)
1226                                                         mwindow->edl->session->ruler_x1 = mwindow->edl->session->ruler_x2;
1227                                                 else
1228                                                 if(mwindow->edl->session->ruler_x1 < mwindow->edl->session->ruler_x2 &&
1229                                                         mwindow->edl->session->ruler_y1 < mwindow->edl->session->ruler_y2)
1230                                                 {
1231                                                         mwindow->edl->session->ruler_x1 = mwindow->edl->session->ruler_x2 - distance_value / 1.414214;
1232                                                         mwindow->edl->session->ruler_y1 = mwindow->edl->session->ruler_y2 - distance_value / 1.414214;
1233                                                 }
1234                                                 else
1235                                                 if(mwindow->edl->session->ruler_x1 < mwindow->edl->session->ruler_x2 && mwindow->edl->session->ruler_y1 > mwindow->edl->session->ruler_y2)
1236                                                 {
1237                                                         mwindow->edl->session->ruler_x1 = mwindow->edl->session->ruler_x2 - distance_value / 1.414214;
1238                                                         mwindow->edl->session->ruler_y1 = mwindow->edl->session->ruler_y2 + distance_value / 1.414214;
1239                                                 }
1240                                                 else
1241                                                 if(mwindow->edl->session->ruler_x1 > mwindow->edl->session->ruler_x2 &&
1242                                                         mwindow->edl->session->ruler_y1 < mwindow->edl->session->ruler_y2)
1243                                                 {
1244                                                         mwindow->edl->session->ruler_x1 = mwindow->edl->session->ruler_x2 + distance_value / 1.414214;
1245                                                         mwindow->edl->session->ruler_y1 = mwindow->edl->session->ruler_y2 - distance_value / 1.414214;
1246                                                 }
1247                                                 else
1248                                                 {
1249                                                         mwindow->edl->session->ruler_x1 = mwindow->edl->session->ruler_x2 + distance_value / 1.414214;
1250                                                         mwindow->edl->session->ruler_y1 = mwindow->edl->session->ruler_y2 + distance_value / 1.414214;
1251                                                 }
1252                                         }
1253                                         do_ruler(1, 0, 0, 0);
1254                                         get_canvas()->flash();
1255                                         gui->update_tool();
1256                                         break;
1257
1258                                 case 1:
1259                                         do_ruler(1, 0, 0, 0);
1260                                         mwindow->edl->session->ruler_x2 = output_x - gui->x_origin + gui->ruler_origin_x;
1261                                         mwindow->edl->session->ruler_y2 = output_y - gui->y_origin + gui->ruler_origin_y;
1262                                         if(gui->alt_down() || gui->ctrl_down())
1263                                         {
1264                                                 double angle_value = fabs(atan((mwindow->edl->session->ruler_y2 - mwindow->edl->session->ruler_y1) /
1265                                                         (mwindow->edl->session->ruler_x2 - mwindow->edl->session->ruler_x1)) *
1266                                                         360 /
1267                                                         2 /
1268                                                         M_PI);
1269                                                 double distance_value =
1270                                                         sqrt(SQR(mwindow->edl->session->ruler_x2 - mwindow->edl->session->ruler_x1) +
1271                                                         SQR(mwindow->edl->session->ruler_y2 - mwindow->edl->session->ruler_y1));
1272                                                 if(angle_value < 22)
1273                                                         mwindow->edl->session->ruler_y2 = mwindow->edl->session->ruler_y1;
1274                                                 else
1275                                                 if(angle_value > 67)
1276                                                         mwindow->edl->session->ruler_x2 = mwindow->edl->session->ruler_x1;
1277                                                 else
1278                                                 if(mwindow->edl->session->ruler_x2 < mwindow->edl->session->ruler_x1 &&
1279                                                         mwindow->edl->session->ruler_y2 < mwindow->edl->session->ruler_y1)
1280                                                 {
1281                                                         mwindow->edl->session->ruler_x2 = mwindow->edl->session->ruler_x1 - distance_value / 1.414214;
1282                                                         mwindow->edl->session->ruler_y2 = mwindow->edl->session->ruler_y1 - distance_value / 1.414214;
1283                                                 }
1284                                                 else
1285                                                 if(mwindow->edl->session->ruler_x2 < mwindow->edl->session->ruler_x1 &&
1286                                                         mwindow->edl->session->ruler_y2 > mwindow->edl->session->ruler_y1)
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                                                 else
1292                                                 if(mwindow->edl->session->ruler_x2 > mwindow->edl->session->ruler_x1 && mwindow->edl->session->ruler_y2 < mwindow->edl->session->ruler_y1)
1293                                                 {
1294                                                         mwindow->edl->session->ruler_x2 = mwindow->edl->session->ruler_x1 + distance_value / 1.414214;
1295                                                         mwindow->edl->session->ruler_y2 = mwindow->edl->session->ruler_y1 - distance_value / 1.414214;
1296                                                 }
1297                                                 else
1298                                                 {
1299                                                         mwindow->edl->session->ruler_x2 = mwindow->edl->session->ruler_x1 + distance_value / 1.414214;
1300                                                         mwindow->edl->session->ruler_y2 = mwindow->edl->session->ruler_y1 + distance_value / 1.414214;
1301                                                 }
1302                                         }
1303                                         do_ruler(1, 0, 0, 0);
1304                                         get_canvas()->flash();
1305                                         gui->update_tool();
1306                                         break;
1307                         }
1308 //printf("CWindowCanvas::do_ruler 2 %f %f %f %f\n", gui->ruler_x1, gui->ruler_y1, gui->ruler_x2, gui->ruler_y2);
1309                 }
1310                 else
1311                 {
1312 // printf("CWindowCanvas::do_ruler 2 %f %f %f %f\n",
1313 // canvas_cursor_x,
1314 // canvas_cursor_y,
1315 // canvas_x1,
1316 // canvas_y1);
1317                         if(canvas_cursor_x >= canvas_x1 - RULERHANDLE_W / 2 &&
1318                                 canvas_cursor_x < canvas_x1 + RULERHANDLE_W / 2 &&
1319                                 canvas_cursor_y >= canvas_y1 - RULERHANDLE_W &&
1320                                 canvas_cursor_y < canvas_y1 + RULERHANDLE_H / 2)
1321                         {
1322                                 set_cursor(UPRIGHT_ARROW_CURSOR);
1323                         }
1324                         else
1325                         if(canvas_cursor_x >= canvas_x2 - RULERHANDLE_W / 2 &&
1326                                 canvas_cursor_x < canvas_x2 + RULERHANDLE_W / 2 &&
1327                                 canvas_cursor_y >= canvas_y2 - RULERHANDLE_W &&
1328                                 canvas_cursor_y < canvas_y2 + RULERHANDLE_H / 2)
1329                         {
1330                                 set_cursor(UPRIGHT_ARROW_CURSOR);
1331                         }
1332                         else
1333                                 set_cursor(CROSS_CURSOR);
1334
1335 // Update current position
1336                         gui->update_tool();
1337                 }
1338         }
1339
1340 // Assume no ruler measurement if 0 length
1341         if(draw && (!EQUIV(x2, x1) || !EQUIV(y2, y1)))
1342         {
1343                 get_canvas()->set_inverse();
1344                 get_canvas()->set_color(WHITE);
1345                 get_canvas()->draw_line((int)canvas_x1,
1346                         (int)canvas_y1,
1347                         (int)canvas_x2,
1348                         (int)canvas_y2);
1349                 get_canvas()->draw_line(roundf(canvas_x1) - RULERHANDLE_W / 2,
1350                         roundf(canvas_y1),
1351                         roundf(canvas_x1) + RULERHANDLE_W / 2,
1352                         roundf(canvas_y1));
1353                 get_canvas()->draw_line(roundf(canvas_x1),
1354                         roundf(canvas_y1) - RULERHANDLE_H / 2,
1355                         roundf(canvas_x1),
1356                         roundf(canvas_y1) + RULERHANDLE_H / 2);
1357                 get_canvas()->draw_line(roundf(canvas_x2) - RULERHANDLE_W / 2,
1358                         roundf(canvas_y2),
1359                         roundf(canvas_x2) + RULERHANDLE_W / 2,
1360                         roundf(canvas_y2));
1361                 get_canvas()->draw_line(roundf(canvas_x2),
1362                         roundf(canvas_y2) - RULERHANDLE_H / 2,
1363                         roundf(canvas_x2),
1364                         roundf(canvas_y2) + RULERHANDLE_H / 2);
1365                 get_canvas()->set_opaque();
1366         }
1367
1368         return result;
1369 }
1370
1371
1372 static inline double line_dist(float cx,float cy, float tx,float ty)
1373 {
1374         double dx = tx-cx, dy = ty-cy;
1375         return sqrt(dx*dx + dy*dy);
1376 }
1377
1378 static inline bool test_bbox(int cx, int cy, int tx, int ty)
1379 {
1380 //      printf("test_bbox %d,%d - %d,%d = %f\n",cx,cy,tx,ty,line_dist(cx,cy,tx,ty));
1381         return (llabs(cx-tx) < CONTROL_W/2 && llabs(cy-ty) < CONTROL_H/2);
1382 }
1383
1384
1385 int CWindowCanvas::do_mask(int &redraw, int &rerender,
1386                 int button_press, int cursor_motion, int draw)
1387 {
1388 // Retrieve points from top recordable track
1389 //printf("CWindowCanvas::do_mask 1\n");
1390         Track *track = gui->cwindow->calculate_affected_track();
1391 //printf("CWindowCanvas::do_mask 2\n");
1392
1393         if(!track) return 0;
1394 //printf("CWindowCanvas::do_mask 3\n");
1395
1396         MaskAutos *mask_autos = (MaskAutos*)track->automation->autos[AUTOMATION_MASK];
1397         int64_t position = track->to_units(
1398                 mwindow->edl->local_session->get_selectionstart(1),
1399                 0);
1400         ArrayList<MaskPoint*> points;
1401
1402 // Determine the points based on whether
1403 // new keyframes will be generated or drawing is performed.
1404 // If keyframe generation occurs, use the interpolated mask.
1405 // If no keyframe generation occurs, use the previous mask.
1406         int use_interpolated = 0;
1407         if(button_press || cursor_motion) {
1408 #ifdef USE_KEYFRAME_SPANNING
1409                 double selection_start = mwindow->edl->local_session->get_selectionstart(0);
1410                 double selection_end = mwindow->edl->local_session->get_selectionend(0);
1411
1412                 Auto *first = 0;
1413                 mask_autos->get_prev_auto(track->to_units(selection_start, 0),
1414                         PLAY_FORWARD, first, 1);
1415                 Auto *last = 0;
1416                 mask_autos->get_prev_auto(track->to_units(selection_end, 0),
1417                         PLAY_FORWARD, last, 1);
1418
1419                 if(last == first && (!mwindow->edl->session->auto_keyframes))
1420                         use_interpolated = 0;
1421                 else
1422 // If keyframe spanning occurs, use the interpolated points.
1423 // If new keyframe is generated, use the interpolated points.
1424                         use_interpolated = 1;
1425
1426 #else
1427                 if(mwindow->edl->session->auto_keyframes)
1428                         use_interpolated = 1;
1429 #endif
1430         }
1431         else
1432                 use_interpolated = 1;
1433
1434         if(use_interpolated) {
1435 // Interpolate the points to get exactly what is being rendered at this position.
1436                 mask_autos->get_points(&points,
1437                         mwindow->edl->session->cwindow_mask,
1438                         position,
1439                         PLAY_FORWARD);
1440         }
1441         else {
1442 // Use the prev mask
1443                 Auto *prev = 0;
1444                 mask_autos->get_prev_auto(position,
1445                         PLAY_FORWARD,
1446                         prev,
1447                         1);
1448                 ((MaskAuto*)prev)->get_points(&points,
1449                         mwindow->edl->session->cwindow_mask);
1450         }
1451
1452 // Projector zooms relative to the center of the track output.
1453         float half_track_w = (float)track->track_w / 2;
1454         float half_track_h = (float)track->track_h / 2;
1455 // Translate mask to projection
1456         float projector_x, projector_y, projector_z;
1457         track->automation->get_projector(
1458                 &projector_x, &projector_y, &projector_z,
1459                 position, PLAY_FORWARD);
1460
1461
1462 // Get position of cursor relative to mask
1463         float cursor_x = get_cursor_x(), cursor_y = get_cursor_y();
1464         float mask_cursor_x = cursor_x, mask_cursor_y = cursor_y;
1465         canvas_to_output(mwindow->edl, 0, mask_cursor_x, mask_cursor_y);
1466
1467         projector_x += mwindow->edl->session->output_w / 2;
1468         projector_y += mwindow->edl->session->output_h / 2;
1469         mask_cursor_x = (mask_cursor_x - projector_x) / projector_z + half_track_w;
1470         mask_cursor_y = (mask_cursor_y - projector_y) / projector_z + half_track_h;
1471
1472 // Fix cursor origin
1473         if(button_press) {
1474                 gui->x_origin = mask_cursor_x;
1475                 gui->y_origin = mask_cursor_y;
1476         }
1477
1478         int result = 0;
1479 // Points of closest line
1480         int shortest_point1 = -1;
1481         int shortest_point2 = -1;
1482 // Closest point
1483         int shortest_point = -1;
1484 // Distance to closest line
1485         float shortest_line_distance = BC_INFINITY;
1486 // Distance to closest point
1487         float shortest_point_distance = BC_INFINITY;
1488         int selected_point = -1;
1489         int selected_control_point = -1;
1490         float selected_control_point_distance = BC_INFINITY;
1491         ArrayList<int> x_points;
1492         ArrayList<int> y_points;
1493
1494         if(!cursor_motion) {
1495                 if(draw) {
1496                         get_canvas()->set_color(WHITE);
1497                         get_canvas()->set_inverse();
1498                 }
1499 //printf("CWindowCanvas::do_mask 1 %d\n", points.size());
1500
1501 // Never draw closed polygon and a closed
1502 // polygon is harder to add points to.
1503                 for(int i = 0; i < points.size() && !result; i++) {
1504                         MaskPoint *point1 = points.get(i);
1505                         MaskPoint *point2 = (i >= points.size() - 1) ?
1506                                 points.get(0) : points.get(i + 1);
1507                         if(button_press) {
1508                                 float point_distance1 = line_dist(point1->x,point1->y, mask_cursor_x,mask_cursor_y);
1509                                 if(point_distance1 < shortest_point_distance || shortest_point < 0) {
1510                                         shortest_point_distance = point_distance1;
1511                                         shortest_point = i;
1512                                 }
1513
1514                                 float point_distance2 = line_dist(point2->x,point2->y, mask_cursor_x,mask_cursor_y);
1515                                 if(point_distance2 < shortest_point_distance || shortest_point < 0) {
1516                                         shortest_point_distance = point_distance2;
1517                                         shortest_point = (i >= points.size() - 1) ? 0 : (i + 1);
1518                                 }
1519                         }
1520
1521                         int segments = 1 + line_dist(point1->x,point1->y, point2->x,point2->y);
1522
1523 //printf("CWindowCanvas::do_mask 1 %f, %f -> %f, %f projectorz=%f\n",
1524 //point1->x, point1->y, point2->x, point2->y, projector_z);
1525                         for(int j = 0; j <= segments && !result; j++) {
1526 //printf("CWindowCanvas::do_mask 1 %f, %f -> %f, %f\n", x0, y0, x3, y3);
1527                                 float x0 = point1->x, y0 = point1->y;
1528                                 float x1 = point1->x + point1->control_x2;
1529                                 float y1 = point1->y + point1->control_y2;
1530                                 float x2 = point2->x + point2->control_x1;
1531                                 float y2 = point2->y + point2->control_y1;
1532                                 float x3 = point2->x, y3 = point2->y;
1533                                 float canvas_x0 = (x0 - half_track_w) * projector_z + projector_x;
1534                                 float canvas_y0 = (y0 - half_track_h) * projector_z + projector_y;
1535                                 float canvas_x1 = (x1 - half_track_w) * projector_z + projector_x;
1536                                 float canvas_y1 = (y1 - half_track_h) * projector_z + projector_y;
1537                                 float canvas_x2 = (x2 - half_track_w) * projector_z + projector_x;
1538                                 float canvas_y2 = (y2 - half_track_h) * projector_z + projector_y;
1539                                 float canvas_x3 = (x3 - half_track_w) * projector_z + projector_x;
1540                                 float canvas_y3 = (y3 - half_track_h) * projector_z + projector_y;
1541
1542                                 float t = (float)j / segments;
1543                                 float tpow2 = t * t;
1544                                 float tpow3 = t * t * t;
1545                                 float invt = 1 - t;
1546                                 float invtpow2 = invt * invt;
1547                                 float invtpow3 = invt * invt * invt;
1548
1549                                 float x = (           invtpow3 * x0
1550                                         + 3 * t     * invtpow2 * x1
1551                                         + 3 * tpow2 * invt     * x2
1552                                         +     tpow3            * x3);
1553                                 float y = (           invtpow3 * y0
1554                                         + 3 * t     * invtpow2 * y1
1555                                         + 3 * tpow2 * invt     * y2
1556                                         +     tpow3            * y3);
1557                                 float canvas_x = (x - half_track_w) * projector_z + projector_x;
1558                                 float canvas_y = (y - half_track_h) * projector_z + projector_y;
1559 // Test new point addition
1560                                 if(button_press) {
1561                                         float line_distance = line_dist(x,y, mask_cursor_x,mask_cursor_y);
1562
1563 //printf("CWindowCanvas::do_mask 1 x=%f cursor_x=%f y=%f cursor_y=%f %f %f %d, %d\n",
1564 //  x, cursor_x, y, cursor_y, line_distance, shortest_line_distance, shortest_point1, shortest_point2);
1565                                         if(line_distance < shortest_line_distance ||
1566                                                 shortest_point1 < 0) {
1567                                                 shortest_line_distance = line_distance;
1568                                                 shortest_point1 = i;
1569                                                 shortest_point2 = (i >= points.size() - 1) ? 0 : (i + 1);
1570 //printf("CWindowCanvas::do_mask 2 %f %f %d, %d\n",
1571 //  line_distance, shortest_line_distance, shortest_point1, shortest_point2);
1572                                         }
1573
1574 // Test existing point selection
1575 // Test first point
1576                                         if(gui->ctrl_down()) {
1577                                                 float distance = line_dist(x1,y1, mask_cursor_x,mask_cursor_y);
1578
1579                                                 if(distance < selected_control_point_distance) {
1580                                                         selected_point = i;
1581                                                         selected_control_point = 1;
1582                                                         selected_control_point_distance = distance;
1583                                                 }
1584                                         }
1585                                         else {
1586                                                 if(!gui->shift_down()) {
1587                                                         if(test_bbox(cursor_x, cursor_y, canvas_x0, canvas_y0)) {
1588                                                                 selected_point = i;
1589                                                         }
1590                                                 }
1591                                                 else {
1592                                                         selected_point = shortest_point;
1593                                                 }
1594                                         }
1595 // Test second point
1596                                         if(gui->ctrl_down()) {
1597                                                 float distance = line_dist(x2,y2, mask_cursor_x,mask_cursor_y);
1598
1599 //printf("CWindowCanvas::do_mask %d %f %f\n", i, distance, selected_control_point_distance);
1600                                                 if(distance < selected_control_point_distance) {
1601                                                         selected_point = (i < points.size() - 1 ? i + 1 : 0);
1602                                                         selected_control_point = 0;
1603                                                         selected_control_point_distance = distance;
1604                                                 }
1605                                         }
1606                                         else if(i < points.size() - 1) {
1607                                                 if(!gui->shift_down()) {
1608                                                         if(test_bbox(cursor_x, cursor_y, canvas_x3, canvas_y3)) {
1609                                                                 selected_point = (i < points.size() - 1 ? i + 1 : 0);
1610                                                         }
1611                                                 }
1612                                                 else {
1613                                                         selected_point = shortest_point;
1614                                                 }
1615                                         }
1616                                 }
1617
1618                                 output_to_canvas(mwindow->edl, 0, canvas_x, canvas_y);
1619
1620                                 if(j > 0) {
1621
1622                                         if(draw) { // Draw joining line
1623                                                 x_points.append((int)canvas_x);
1624                                                 y_points.append((int)canvas_y);
1625                                         }
1626
1627                                         if(j == segments) {
1628                                                 if(draw) { // Draw second anchor
1629                                                         if(i < points.size() - 1) {
1630                                                                 if(i == gui->affected_point - 1)
1631                                                                         get_canvas()->draw_disc(
1632                                                                                 (int)canvas_x - CONTROL_W / 2,
1633                                                                                 (int)canvas_y - CONTROL_W / 2,
1634                                                                                 CONTROL_W, CONTROL_H);
1635                                                                 else
1636                                                                         get_canvas()->draw_circle(
1637                                                                                 (int)canvas_x - CONTROL_W / 2,
1638                                                                                 (int)canvas_y - CONTROL_W / 2,
1639                                                                                 CONTROL_W, CONTROL_H);
1640 // char string[BCTEXTLEN];
1641 // sprintf(string, "%d", (i < points.size() - 1 ? i + 1 : 0));
1642 // canvas->draw_text((int)canvas_x + CONTROL_W, (int)canvas_y + CONTROL_W, string);
1643                                                         }
1644
1645 // Draw second control point.  Discard x2 and y2 after this.
1646                                                         output_to_canvas(mwindow->edl, 0, x2, y2);
1647                                                         get_canvas()->draw_line(
1648                                                                 (int)canvas_x, (int)canvas_y,
1649                                                                 (int)canvas_x2, (int)canvas_y2);
1650                                                         get_canvas()->draw_rectangle(
1651                                                                 (int)x2 - CONTROL_W / 2,
1652                                                                 (int)y2 - CONTROL_H / 2,
1653                                                                 CONTROL_W, CONTROL_H);
1654                                                 }
1655                                         }
1656                                 }
1657                                 else {
1658 // Draw first anchor
1659                                         if(i == 0 && draw) {
1660                                                 char mask_label[BCSTRLEN];
1661                                                 sprintf(mask_label, "%d",
1662                                                         mwindow->edl->session->cwindow_mask);
1663                                                 get_canvas()->draw_text(
1664                                                         (int)canvas_x - FIRST_CONTROL_W,
1665                                                         (int)canvas_y - FIRST_CONTROL_H,
1666                                                         mask_label);
1667
1668                                                 get_canvas()->draw_disc(
1669                                                         (int)canvas_x - FIRST_CONTROL_W / 2,
1670                                                         (int)canvas_y - FIRST_CONTROL_H / 2,
1671                                                         FIRST_CONTROL_W, FIRST_CONTROL_H);
1672                                         }
1673
1674 // Draw first control point.
1675                                         if(draw) {
1676                                                 output_to_canvas(mwindow->edl, 0, canvas_x1, canvas_y1);
1677                                                 get_canvas()->draw_line(
1678                                                         (int)canvas_x, (int)canvas_y,
1679                                                         (int)canvas_x1, (int)canvas_y1);
1680                                                 get_canvas()->draw_rectangle(
1681                                                         (int)canvas_x1 - CONTROL_W / 2,
1682                                                         (int)canvas_y1 - CONTROL_H / 2,
1683                                                         CONTROL_W, CONTROL_H);
1684
1685                                                 x_points.append((int)canvas_x);
1686                                                 y_points.append((int)canvas_y);
1687                                         }
1688                                 }
1689 //printf("CWindowCanvas::do_mask 1\n");
1690
1691                         }
1692                 }
1693 //printf("CWindowCanvas::do_mask 1\n");
1694
1695                 if(draw) {
1696                         get_canvas()->draw_polygon(&x_points, &y_points);
1697                         get_canvas()->set_opaque();
1698                 }
1699 //printf("CWindowCanvas::do_mask 1\n");
1700         }
1701
1702         if(button_press && !result) {
1703                 gui->affected_track = gui->cwindow->calculate_affected_track();
1704
1705 // Get keyframe outside the EDL to edit.  This must be rendered
1706 // instead of the EDL keyframes when it exists.  Then it must be
1707 // applied to the EDL keyframes on buttonrelease.
1708                 if(gui->affected_track) {
1709 #ifdef USE_KEYFRAME_SPANNING
1710 // Make copy of current parameters in local keyframe
1711                         gui->mask_keyframe =
1712                                 (MaskAuto*)gui->cwindow->calculate_affected_auto(
1713                                         mask_autos,
1714                                         0);
1715                         gui->orig_mask_keyframe->copy_data(gui->mask_keyframe);
1716 #else
1717
1718                         gui->mask_keyframe =
1719                                 (MaskAuto*)gui->cwindow->calculate_affected_auto(
1720                                         mask_autos,
1721                                         1);
1722 #endif
1723                 }
1724                 SubMask *mask = gui->mask_keyframe->get_submask(mwindow->edl->session->cwindow_mask);
1725
1726
1727 // Translate entire keyframe
1728                 if(gui->alt_down() && mask->points.size()) {
1729                         mwindow->undo->update_undo_before(_("mask translate"), 0);
1730                         gui->current_operation = CWINDOW_MASK_TRANSLATE;
1731                         gui->affected_point = 0;
1732                 }
1733                 else
1734 // Existing point or control point was selected
1735                 if(selected_point >= 0) {
1736                         mwindow->undo->update_undo_before(_("mask adjust"), 0);
1737                         gui->affected_point = selected_point;
1738
1739                         if(selected_control_point == 0)
1740                                 gui->current_operation = CWINDOW_MASK_CONTROL_IN;
1741                         else
1742                         if(selected_control_point == 1)
1743                                 gui->current_operation = CWINDOW_MASK_CONTROL_OUT;
1744                         else
1745                                 gui->current_operation = mwindow->edl->session->cwindow_operation;
1746                 }
1747                 else // No existing point or control point was selected so create a new one
1748                 if(!gui->ctrl_down() && !gui->alt_down()) {
1749                         mwindow->undo->update_undo_before(_("mask point"), 0);
1750 // Create the template
1751                         MaskPoint *point = new MaskPoint;
1752                         point->x = mask_cursor_x;
1753                         point->y = mask_cursor_y;
1754                         point->control_x1 = 0;
1755                         point->control_y1 = 0;
1756                         point->control_x2 = 0;
1757                         point->control_y2 = 0;
1758
1759
1760                         if(shortest_point2 < shortest_point1) {
1761                                 shortest_point2 ^= shortest_point1;
1762                                 shortest_point1 ^= shortest_point2;
1763                                 shortest_point2 ^= shortest_point1;
1764                         }
1765
1766
1767
1768 // printf("CWindowGUI::do_mask 40\n");
1769 // mwindow->edl->dump();
1770 // printf("CWindowGUI::do_mask 50\n");
1771
1772
1773
1774 //printf("CWindowCanvas::do_mask 1 %f %f %d %d\n",
1775 //      shortest_line_distance, shortest_point_distance, shortest_point1, shortest_point2);
1776 //printf("CWindowCanvas::do_mask %d %d\n", shortest_point1, shortest_point2);
1777
1778 // Append to end of list
1779                         if( shortest_point1 == shortest_point2 ||
1780                             labs(shortest_point1 - shortest_point2) > 1) {
1781 #ifdef USE_KEYFRAME_SPANNING
1782
1783                                 MaskPoint *new_point = new MaskPoint;
1784                                 points.append(new_point);
1785                                 *new_point = *point;
1786                                 gui->affected_point = points.size() - 1;
1787
1788 #else
1789
1790 // Need to apply the new point to every keyframe
1791                                 for(MaskAuto *current = (MaskAuto*)mask_autos->default_auto; current; ) {
1792                                         SubMask *submask = current->get_submask(mwindow->edl->session->cwindow_mask);
1793                                         MaskPoint *new_point = new MaskPoint;
1794                                         submask->points.append(new_point);
1795                                         *new_point = *point;
1796                                         if(current == (MaskAuto*)mask_autos->default_auto)
1797                                                 current = (MaskAuto*)mask_autos->first;
1798                                         else
1799                                                 current = (MaskAuto*)NEXT;
1800                                 }
1801                                 gui->affected_point = mask->points.size() - 1;
1802 #endif
1803
1804                                 result = 1;
1805                         }
1806                         else
1807 // Insert between 2 points, shifting back point 2
1808                         if(shortest_point1 >= 0 && shortest_point2 >= 0) {
1809
1810 #ifdef USE_KEYFRAME_SPANNING
1811 // In case the keyframe point count isn't synchronized with the rest of the keyframes,
1812 // avoid a crash.
1813                                 if(points.size() >= shortest_point2) {
1814                                         MaskPoint *new_point = new MaskPoint;
1815                                         points.append(0);
1816                                         for(int i = points.size() - 1;
1817                                                 i > shortest_point2;
1818                                                 i--)
1819                                                 points.values[i] = points.values[i - 1];
1820                                         points.values[shortest_point2] = new_point;
1821
1822                                         *new_point = *point;
1823                                 }
1824
1825 #else
1826
1827                                 for(MaskAuto *current = (MaskAuto*)mask_autos->default_auto; current; ) {
1828                                         SubMask *submask = current->get_submask(mwindow->edl->session->cwindow_mask);
1829 // In case the keyframe point count isn't synchronized with the rest of the keyframes,
1830 // avoid a crash.
1831                                         if(submask->points.size() >= shortest_point2) {
1832                                                 MaskPoint *new_point = new MaskPoint;
1833                                                 submask->points.append(0);
1834                                                 for(int i = submask->points.size() - 1;
1835                                                         i > shortest_point2;
1836                                                         i--)
1837                                                         submask->points.values[i] = submask->points.values[i - 1];
1838                                                 submask->points.values[shortest_point2] = new_point;
1839
1840                                                 *new_point = *point;
1841                                         }
1842
1843                                         if(current == (MaskAuto*)mask_autos->default_auto)
1844                                                 current = (MaskAuto*)mask_autos->first;
1845                                         else
1846                                                 current = (MaskAuto*)NEXT;
1847                                 }
1848
1849 #endif
1850                                 gui->affected_point = shortest_point2;
1851                                 result = 1;
1852                         }
1853
1854
1855 // printf("CWindowGUI::do_mask 20\n");
1856 // mwindow->edl->dump();
1857 // printf("CWindowGUI::do_mask 30\n");
1858
1859                         if(!result) {
1860 //printf("CWindowCanvas::do_mask 1\n");
1861 // Create the first point.
1862 #ifdef USE_KEYFRAME_SPANNING
1863                                 MaskPoint *new_point = new MaskPoint;
1864                                 points.append(new_point);
1865                                 *new_point = *point;
1866                                 gui->affected_point = points.size() - 1;
1867 #else
1868                                 for(MaskAuto *current = (MaskAuto*)mask_autos->default_auto; current; ) {
1869                                         SubMask *submask = current->get_submask(mwindow->edl->session->cwindow_mask);
1870                                         MaskPoint *new_point = new MaskPoint;
1871                                         submask->points.append(new_point);
1872                                         *new_point = *point;
1873                                         if(current == (MaskAuto*)mask_autos->default_auto)
1874                                                 current = (MaskAuto*)mask_autos->first;
1875                                         else
1876                                                 current = (MaskAuto*)NEXT;
1877                                 }
1878                                 gui->affected_point = points.size() - 1;
1879 #endif
1880
1881 //printf("CWindowCanvas::do_mask 3 %d\n", mask->points.size());
1882                         }
1883
1884                         gui->current_operation = mwindow->edl->session->cwindow_operation;
1885 // Delete the template
1886                         delete point;
1887                 }
1888
1889                 result = 1;
1890                 rerender = 1;
1891                 redraw = 1;
1892         }
1893
1894         if(button_press && result) {
1895 #ifdef USE_KEYFRAME_SPANNING
1896                 MaskPoint *point = 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 #else
1905                 SubMask *mask = gui->mask_keyframe->get_submask(mwindow->edl->session->cwindow_mask);
1906                 MaskPoint *point = mask->points.values[gui->affected_point];
1907                 gui->center_x = point->x;
1908                 gui->center_y = point->y;
1909                 gui->control_in_x = point->control_x1;
1910                 gui->control_in_y = point->control_y1;
1911                 gui->control_out_x = point->control_x2;
1912                 gui->control_out_y = point->control_y2;
1913                 gui->tool_panel->raise_window();
1914 #endif
1915         }
1916
1917 //printf("CWindowCanvas::do_mask 8\n");
1918         if(cursor_motion) {
1919
1920 #ifdef USE_KEYFRAME_SPANNING
1921 // Must update the reference keyframes for every cursor motion
1922                 gui->mask_keyframe =
1923                         (MaskAuto*)gui->cwindow->calculate_affected_auto(
1924                                 mask_autos,
1925                                 0);
1926                 gui->orig_mask_keyframe->copy_data(gui->mask_keyframe);
1927 #endif
1928
1929 //printf("CWindowCanvas::do_mask %d %d\n", __LINE__, gui->affected_point);
1930
1931                 SubMask *mask = gui->mask_keyframe->get_submask(mwindow->edl->session->cwindow_mask);
1932                 if( gui->affected_point >= 0 && gui->affected_point < mask->points.size() &&
1933                         gui->current_operation != CWINDOW_NONE) {
1934 //                      mwindow->undo->update_undo_before(_("mask point"), this);
1935 #ifdef USE_KEYFRAME_SPANNING
1936                         MaskPoint *point = points.get(gui->affected_point);
1937 #else
1938                         MaskPoint *point = mask->points.get(gui->affected_point);
1939 #endif
1940 //                      canvas_to_output(mwindow->edl, 0, cursor_x, cursor_y);
1941 //printf("CWindowCanvas::do_mask 9 %d %d\n", mask->points.size(), gui->affected_point);
1942
1943                         float last_x = point->x;
1944                         float last_y = point->y;
1945                         float last_control_x1 = point->control_x1;
1946                         float last_control_y1 = point->control_y1;
1947                         float last_control_x2 = point->control_x2;
1948                         float last_control_y2 = point->control_y2;
1949
1950                         switch(gui->current_operation) {
1951                                 case CWINDOW_MASK:
1952 //printf("CWindowCanvas::do_mask %d %d\n", __LINE__, gui->affected_point);
1953                                         point->x = mask_cursor_x - gui->x_origin + gui->center_x;
1954                                         point->y = mask_cursor_y - gui->y_origin + gui->center_y;
1955                                         break;
1956
1957                                 case CWINDOW_MASK_CONTROL_IN:
1958                                         point->control_x1 = mask_cursor_x - gui->x_origin + gui->control_in_x;
1959                                         point->control_y1 = mask_cursor_y - gui->y_origin + gui->control_in_y;
1960                                         break;
1961
1962                                 case CWINDOW_MASK_CONTROL_OUT:
1963                                         point->control_x2 = mask_cursor_x - gui->x_origin + gui->control_out_x;
1964                                         point->control_y2 = mask_cursor_y - gui->y_origin + gui->control_out_y;
1965                                         break;
1966
1967                                 case CWINDOW_MASK_TRANSLATE:
1968 #ifdef USE_KEYFRAME_SPANNING
1969                                         for(int i = 0; i < points.size(); i++) {
1970                                                 points.values[i]->x += mask_cursor_x - gui->x_origin;
1971                                                 points.values[i]->y += mask_cursor_y - gui->y_origin;
1972                                         }
1973 #else
1974                                         for(int i = 0; i < mask->points.size(); i++) {
1975                                                 mask->points.values[i]->x += mask_cursor_x - gui->x_origin;
1976                                                 mask->points.values[i]->y += mask_cursor_y - gui->y_origin;
1977                                         }
1978 #endif
1979                                         gui->x_origin = mask_cursor_x;
1980                                         gui->y_origin = mask_cursor_y;
1981                                         break;
1982                         }
1983
1984                         if( !EQUIV(last_x, point->x) ||
1985                                 !EQUIV(last_y, point->y) ||
1986                                 !EQUIV(last_control_x1, point->control_x1) ||
1987                                 !EQUIV(last_control_y1, point->control_y1) ||
1988                                 !EQUIV(last_control_x2, point->control_x2) ||
1989                                 !EQUIV(last_control_y2, point->control_y2)) {
1990                                 rerender = 1;
1991                                 redraw = 1;
1992                         }
1993                 }
1994                 else
1995                 if(gui->current_operation == CWINDOW_NONE) {
1996 //                      printf("CWindowCanvas::do_mask %d\n", __LINE__);
1997                         int over_point = 0;
1998                         for(int i = 0; i < points.size() && !over_point; i++) {
1999                                 MaskPoint *point = points.get(i);
2000                                 float x0 = point->x;
2001                                 float y0 = point->y;
2002                                 float x1 = point->x + point->control_x1;
2003                                 float y1 = point->y + point->control_y1;
2004                                 float x2 = point->x + point->control_x2;
2005                                 float y2 = point->y + point->control_y2;
2006                                 float canvas_x0 = (x0 - half_track_w) * projector_z + projector_x;
2007                                 float canvas_y0 = (y0 - half_track_h) * projector_z + projector_y;
2008
2009                                 output_to_canvas(mwindow->edl, 0, canvas_x0, canvas_y0);
2010                                 if(test_bbox(cursor_x, cursor_y, canvas_x0, canvas_y0)) {
2011                                         over_point = 1;
2012                                 }
2013
2014                                 if(!over_point && gui->ctrl_down()) {
2015                                         float canvas_x1 = (x1 - half_track_w) * projector_z + projector_x;
2016                                         float canvas_y1 = (y1 - half_track_h) * projector_z + projector_y;
2017                                         output_to_canvas(mwindow->edl, 0, canvas_x1, canvas_y1);
2018                                         if(test_bbox(cursor_x, cursor_y, canvas_x1, canvas_y1)) {
2019                                                 over_point = 1;
2020                                         }
2021                                         else {
2022                                                 float canvas_x2 = (x2 - half_track_w) * projector_z + projector_x;
2023                                                 float canvas_y2 = (y2 - half_track_h) * projector_z + projector_y;
2024                                                 output_to_canvas(mwindow->edl, 0, canvas_x2, canvas_y2);
2025                                                 if(test_bbox(cursor_x, cursor_y, canvas_x2, canvas_y2)) {
2026                                                         over_point = 1;
2027                                                 }
2028                                         }
2029                                 }
2030                         }
2031
2032                         set_cursor( over_point ? ARROW_CURSOR : CROSS_CURSOR );
2033                 }
2034
2035                 result = 1;
2036         }
2037 //printf("CWindowCanvas::do_mask 2 %d %d %d\n", result, rerender, redraw);
2038
2039
2040 #ifdef USE_KEYFRAME_SPANNING
2041 // Must commit change after operation.
2042         if(rerender && track) {
2043 // Swap EDL keyframe with original.
2044 // Apply new values to keyframe span
2045                 MaskAuto temp_keyframe(mwindow->edl, mask_autos);
2046                 temp_keyframe.copy_data(gui->mask_keyframe);
2047 // Apply interpolated points back to keyframe
2048                 temp_keyframe.set_points(&points, mwindow->edl->session->cwindow_mask);
2049                 gui->mask_keyframe->copy_data(gui->orig_mask_keyframe);
2050                 mask_autos->update_parameter(&temp_keyframe);
2051         }
2052 #endif
2053
2054         points.remove_all_objects();
2055 //printf("CWindowCanvas::do_mask 20\n");
2056         return result;
2057 }
2058
2059 int CWindowCanvas::do_eyedrop(int &rerender, int button_press, int draw)
2060 {
2061         int result = 0;
2062         int radius = mwindow->edl->session->eyedrop_radius;
2063         int row1 = 0;
2064         int row2 = 0;
2065         int column1 = 0;
2066         int column2 = 0;
2067
2068
2069
2070         if(refresh_frame && refresh_frame->get_w()>0 && refresh_frame->get_h()>0)
2071         {
2072
2073                 if(draw)
2074                 {
2075                         row1 = gui->eyedrop_y - radius;
2076                         row2 = gui->eyedrop_y + radius;
2077                         column1 = gui->eyedrop_x - radius;
2078                         column2 = gui->eyedrop_x + radius;
2079
2080                         CLAMP(row1, 0, refresh_frame->get_h() - 1);
2081                         CLAMP(row2, 0, refresh_frame->get_h() - 1);
2082                         CLAMP(column1, 0, refresh_frame->get_w() - 1);
2083                         CLAMP(column2, 0, refresh_frame->get_w() - 1);
2084
2085                         if(row2 <= row1) row2 = row1 + 1;
2086                         if(column2 <= column1) column2 = column1 + 1;
2087
2088                         float x1 = column1;
2089                         float y1 = row1;
2090                         float x2 = column2;
2091                         float y2 = row2;
2092
2093                         output_to_canvas(mwindow->edl, 0, x1, y1);
2094                         output_to_canvas(mwindow->edl, 0, x2, y2);
2095 //printf("CWindowCanvas::do_eyedrop %d %f %f %f %f\n", __LINE__, x1, x2, y1, y2);
2096
2097                         if(x2 - x1 >= 1 && y2 - y1 >= 1)
2098                         {
2099                                 get_canvas()->set_inverse();
2100                                 get_canvas()->set_color(WHITE);
2101
2102                                 get_canvas()->draw_rectangle((int)x1,
2103                                         (int)y1,
2104                                         (int)(x2 - x1),
2105                                         (int)(y2 - y1));
2106
2107                                 get_canvas()->set_opaque();
2108                                 get_canvas()->flash();
2109                         }
2110                         return 0;
2111                 }
2112         }
2113
2114         if(button_press)
2115         {
2116                 gui->current_operation = CWINDOW_EYEDROP;
2117                 gui->tool_panel->raise_window();
2118         }
2119
2120         if(gui->current_operation == CWINDOW_EYEDROP)
2121         {
2122                 mwindow->undo->update_undo_before(_("Eyedrop"), this);
2123
2124 // Get color out of frame.
2125 // Doesn't work during playback because that bypasses the refresh frame.
2126                 if(refresh_frame && refresh_frame->get_w()>0 && refresh_frame->get_h()>0)
2127                 {
2128                         float cursor_x = get_cursor_x();
2129                         float cursor_y = get_cursor_y();
2130                         canvas_to_output(mwindow->edl, 0, cursor_x, cursor_y);
2131                         CLAMP(cursor_x, 0, refresh_frame->get_w() - 1);
2132                         CLAMP(cursor_y, 0, refresh_frame->get_h() - 1);
2133
2134                         row1 = cursor_y - radius;
2135                         row2 = cursor_y + radius;
2136                         column1 = cursor_x - radius;
2137                         column2 = cursor_x + radius;
2138                         CLAMP(row1, 0, refresh_frame->get_h() - 1);
2139                         CLAMP(row2, 0, refresh_frame->get_h() - 1);
2140                         CLAMP(column1, 0, refresh_frame->get_w() - 1);
2141                         CLAMP(column2, 0, refresh_frame->get_w() - 1);
2142                         if(row2 <= row1) row2 = row1 + 1;
2143                         if(column2 <= column1) column2 = column1 + 1;
2144
2145
2146 // hide it
2147                         if(gui->eyedrop_visible)
2148                         {
2149                                 int temp;
2150                                 do_eyedrop(temp, 0, 1);
2151                                 gui->eyedrop_visible = 0;
2152                         }
2153
2154                         gui->eyedrop_x = cursor_x;
2155                         gui->eyedrop_y = cursor_y;
2156
2157 // show it
2158                         {
2159                                 int temp;
2160                                 do_eyedrop(temp, 0, 1);
2161                                 gui->eyedrop_visible = 1;
2162                         }
2163
2164 // Decompression coefficients straight out of jpeglib
2165 #define V_TO_R    1.40200
2166 #define V_TO_G    -0.71414
2167
2168 #define U_TO_G    -0.34414
2169 #define U_TO_B    1.77200
2170
2171 #define GET_COLOR(type, components, max, do_yuv) \
2172 { \
2173         type *row = (type*)(refresh_frame->get_rows()[i]) + \
2174                 j * components; \
2175         float red = (float)*row++ / max; \
2176         float green = (float)*row++ / max; \
2177         float blue = (float)*row++ / max; \
2178         if(do_yuv) \
2179         { \
2180                 mwindow->edl->local_session->red += red + V_TO_R * (blue - 0.5); \
2181                 mwindow->edl->local_session->green += red + U_TO_G * (green - 0.5) + V_TO_G * (blue - 0.5); \
2182                 mwindow->edl->local_session->blue += red + U_TO_B * (green - 0.5); \
2183         } \
2184         else \
2185         { \
2186                 mwindow->edl->local_session->red += red; \
2187                 mwindow->edl->local_session->green += green; \
2188                 mwindow->edl->local_session->blue += blue; \
2189         } \
2190 }
2191
2192
2193
2194                         mwindow->edl->local_session->red = 0;
2195                         mwindow->edl->local_session->green = 0;
2196                         mwindow->edl->local_session->blue = 0;
2197                         for(int i = row1; i < row2; i++)
2198                         {
2199                                 for(int j = column1; j < column2; j++)
2200                                 {
2201                                         switch(refresh_frame->get_color_model())
2202                                         {
2203                                                 case BC_YUV888:
2204                                                         GET_COLOR(unsigned char, 3, 0xff, 1);
2205                                                         break;
2206                                                 case BC_YUVA8888:
2207                                                         GET_COLOR(unsigned char, 4, 0xff, 1);
2208                                                         break;
2209                                                 case BC_YUV161616:
2210                                                         GET_COLOR(uint16_t, 3, 0xffff, 1);
2211                                                         break;
2212                                                 case BC_YUVA16161616:
2213                                                         GET_COLOR(uint16_t, 4, 0xffff, 1);
2214                                                         break;
2215                                                 case BC_RGB888:
2216                                                         GET_COLOR(unsigned char, 3, 0xff, 0);
2217                                                         break;
2218                                                 case BC_RGBA8888:
2219                                                         GET_COLOR(unsigned char, 4, 0xff, 0);
2220                                                         break;
2221                                                 case BC_RGB_FLOAT:
2222                                                         GET_COLOR(float, 3, 1.0, 0);
2223                                                         break;
2224                                                 case BC_RGBA_FLOAT:
2225                                                         GET_COLOR(float, 4, 1.0, 0);
2226                                                         break;
2227                                         }
2228                                 }
2229                         }
2230
2231                         mwindow->edl->local_session->red /= (row2 - row1) * (column2 - column1);
2232                         mwindow->edl->local_session->green /= (row2 - row1) * (column2 - column1);
2233                         mwindow->edl->local_session->blue /= (row2 - row1) * (column2 - column1);
2234
2235                 }
2236                 else
2237                 {
2238                         mwindow->edl->local_session->red = 0;
2239                         mwindow->edl->local_session->green = 0;
2240                         mwindow->edl->local_session->blue = 0;
2241                         gui->eyedrop_visible = 0;
2242                 }
2243
2244
2245                 gui->update_tool();
2246
2247
2248
2249                 result = 1;
2250 // Can't rerender since the color value is from the output of any effect it
2251 // goes into.
2252 //              rerender = 1;
2253                 mwindow->undo->update_undo_after(_("Eyedrop"), LOAD_SESSION);
2254         }
2255
2256         return result;
2257 }
2258
2259 void CWindowCanvas::draw_overlays()
2260 {
2261         if(mwindow->edl->session->safe_regions)
2262         {
2263                 draw_safe_regions();
2264         }
2265
2266         if(mwindow->edl->session->cwindow_scrollbars)
2267         {
2268 // Always draw output rectangle
2269                 float x1, y1, x2, y2;
2270                 x1 = 0;
2271                 x2 = mwindow->edl->session->output_w;
2272                 y1 = 0;
2273                 y2 = mwindow->edl->session->output_h;
2274                 output_to_canvas(mwindow->edl, 0, x1, y1);
2275                 output_to_canvas(mwindow->edl, 0, x2, y2);
2276
2277                 get_canvas()->set_inverse();
2278                 get_canvas()->set_color(WHITE);
2279
2280                 get_canvas()->draw_rectangle((int)x1,
2281                                 (int)y1,
2282                                 (int)(x2 - x1),
2283                                 (int)(y2 - y1));
2284
2285                 get_canvas()->set_opaque();
2286         }
2287
2288         if(mwindow->session->ccanvas_highlighted)
2289         {
2290                 get_canvas()->set_color(WHITE);
2291                 get_canvas()->set_inverse();
2292                 get_canvas()->draw_rectangle(0, 0, get_canvas()->get_w(), get_canvas()->get_h());
2293                 get_canvas()->draw_rectangle(1, 1, get_canvas()->get_w() - 2, get_canvas()->get_h() - 2);
2294                 get_canvas()->set_opaque();
2295         }
2296
2297         int temp1 = 0, temp2 = 0;
2298 //printf("CWindowCanvas::draw_overlays 1 %d\n", mwindow->edl->session->cwindow_operation);
2299         switch(mwindow->edl->session->cwindow_operation)
2300         {
2301                 case CWINDOW_CAMERA:
2302                         draw_bezier(1);
2303                         break;
2304
2305                 case CWINDOW_PROJECTOR:
2306                         draw_bezier(0);
2307                         break;
2308
2309                 case CWINDOW_CROP:
2310                         draw_crop();
2311                         break;
2312
2313                 case CWINDOW_MASK:
2314                         do_mask(temp1, temp2, 0, 0, 1);
2315                         break;
2316
2317                 case CWINDOW_RULER:
2318                         do_ruler(1, 0, 0, 0);
2319                         break;
2320
2321                 case CWINDOW_EYEDROP:
2322                 if(gui->eyedrop_visible)
2323                 {
2324                         int rerender;
2325                         do_eyedrop(rerender, 0, 1);
2326                         gui->eyedrop_visible = 1;
2327                         break;
2328                 }
2329         }
2330 }
2331
2332 void CWindowCanvas::draw_safe_regions()
2333 {
2334         float action_x1, action_x2, action_y1, action_y2;
2335         float title_x1, title_x2, title_y1, title_y2;
2336
2337         action_x1 = mwindow->edl->session->output_w / 2 - mwindow->edl->session->output_w / 2 * 0.9;
2338         action_x2 = mwindow->edl->session->output_w / 2 + mwindow->edl->session->output_w / 2 * 0.9;
2339         action_y1 = mwindow->edl->session->output_h / 2 - mwindow->edl->session->output_h / 2 * 0.9;
2340         action_y2 = mwindow->edl->session->output_h / 2 + mwindow->edl->session->output_h / 2 * 0.9;
2341         title_x1 = mwindow->edl->session->output_w / 2 - mwindow->edl->session->output_w / 2 * 0.8;
2342         title_x2 = mwindow->edl->session->output_w / 2 + mwindow->edl->session->output_w / 2 * 0.8;
2343         title_y1 = mwindow->edl->session->output_h / 2 - mwindow->edl->session->output_h / 2 * 0.8;
2344         title_y2 = mwindow->edl->session->output_h / 2 + mwindow->edl->session->output_h / 2 * 0.8;
2345
2346         output_to_canvas(mwindow->edl, 0, action_x1, action_y1);
2347         output_to_canvas(mwindow->edl, 0, action_x2, action_y2);
2348         output_to_canvas(mwindow->edl, 0, title_x1, title_y1);
2349         output_to_canvas(mwindow->edl, 0, title_x2, title_y2);
2350
2351         get_canvas()->set_inverse();
2352         get_canvas()->set_color(WHITE);
2353
2354         get_canvas()->draw_rectangle((int)action_x1,
2355                         (int)action_y1,
2356                         (int)(action_x2 - action_x1),
2357                         (int)(action_y2 - action_y1));
2358         get_canvas()->draw_rectangle((int)title_x1,
2359                         (int)title_y1,
2360                         (int)(title_x2 - title_x1),
2361                         (int)(title_y2 - title_y1));
2362
2363         get_canvas()->set_opaque();
2364 }
2365
2366 void CWindowCanvas::reset_keyframe(int do_camera)
2367 {
2368         FloatAuto *x_keyframe = 0;
2369         FloatAuto *y_keyframe = 0;
2370         FloatAuto *z_keyframe = 0;
2371         Track *affected_track = 0;
2372
2373         affected_track = gui->cwindow->calculate_affected_track();
2374
2375         if(affected_track)
2376         {
2377                 gui->cwindow->calculate_affected_autos(&x_keyframe,
2378                         &y_keyframe,
2379                         &z_keyframe,
2380                         affected_track,
2381                         do_camera,
2382                         1,
2383                         1,
2384                         1);
2385
2386                 x_keyframe->set_value(0);
2387                 y_keyframe->set_value(0);
2388                 z_keyframe->set_value(1);
2389
2390                 mwindow->sync_parameters(CHANGE_PARAMS);
2391                 gui->update_tool();
2392         }
2393 }
2394
2395 void CWindowCanvas::reset_camera()
2396 {
2397         reset_keyframe(1);
2398 }
2399
2400 void CWindowCanvas::reset_projector()
2401 {
2402         reset_keyframe(0);
2403 }
2404
2405 int CWindowCanvas::test_crop(int button_press, int &redraw)
2406 {
2407         int result = 0;
2408         int handle_selected = -1;
2409         float x1 = mwindow->edl->session->crop_x1;
2410         float y1 = mwindow->edl->session->crop_y1;
2411         float x2 = mwindow->edl->session->crop_x2;
2412         float y2 = mwindow->edl->session->crop_y2;
2413         float cursor_x = get_cursor_x();
2414         float cursor_y = get_cursor_y();
2415         float canvas_x1 = x1;
2416         float canvas_y1 = y1;
2417         float canvas_x2 = x2;
2418         float canvas_y2 = y2;
2419         float canvas_cursor_x = cursor_x;
2420         float canvas_cursor_y = cursor_y;
2421
2422         canvas_to_output(mwindow->edl, 0, cursor_x, cursor_y);
2423 // Use screen normalized coordinates for hot spot tests.
2424         output_to_canvas(mwindow->edl, 0, canvas_x1, canvas_y1);
2425         output_to_canvas(mwindow->edl, 0, canvas_x2, canvas_y2);
2426
2427
2428         if(gui->current_operation == CWINDOW_CROP)
2429         {
2430                 handle_selected = gui->crop_handle;
2431         }
2432         else
2433         if(canvas_cursor_x >= canvas_x1 && canvas_cursor_x < canvas_x1 + CROPHANDLE_W &&
2434                 canvas_cursor_y >= canvas_y1 && canvas_cursor_y < canvas_y1 + CROPHANDLE_H)
2435         {
2436                 handle_selected = 0;
2437                 gui->crop_origin_x = x1;
2438                 gui->crop_origin_y = y1;
2439         }
2440         else
2441         if(canvas_cursor_x >= canvas_x2 - CROPHANDLE_W && canvas_cursor_x < canvas_x2 &&
2442                 canvas_cursor_y >= canvas_y1 && canvas_cursor_y < canvas_y1 + CROPHANDLE_H)
2443         {
2444                 handle_selected = 1;
2445                 gui->crop_origin_x = x2;
2446                 gui->crop_origin_y = y1;
2447         }
2448         else
2449         if(canvas_cursor_x >= canvas_x1 && canvas_cursor_x < canvas_x1 + CROPHANDLE_W &&
2450                 canvas_cursor_y >= canvas_y2 - CROPHANDLE_H && canvas_cursor_y < canvas_y2)
2451         {
2452                 handle_selected = 2;
2453                 gui->crop_origin_x = x1;
2454                 gui->crop_origin_y = y2;
2455         }
2456         else
2457         if(canvas_cursor_x >= canvas_x2 - CROPHANDLE_W && canvas_cursor_x < canvas_x2 &&
2458                 canvas_cursor_y >= canvas_y2 - CROPHANDLE_H && canvas_cursor_y < canvas_y2)
2459         {
2460                 handle_selected = 3;
2461                 gui->crop_origin_x = x2;
2462                 gui->crop_origin_y = y2;
2463         }
2464         else
2465 // Start new box
2466         {
2467                 gui->crop_origin_x = cursor_x;
2468                 gui->crop_origin_y = cursor_y;
2469         }
2470
2471 // printf("test crop %d %d\n",
2472 //      gui->current_operation,
2473 //      handle_selected);
2474
2475 // Start dragging.
2476         if(button_press)
2477         {
2478                 if(gui->alt_down())
2479                 {
2480                         gui->crop_translate = 1;
2481                         gui->crop_origin_x1 = x1;
2482                         gui->crop_origin_y1 = y1;
2483                         gui->crop_origin_x2 = x2;
2484                         gui->crop_origin_y2 = y2;
2485                 }
2486                 else
2487                         gui->crop_translate = 0;
2488
2489                 gui->current_operation = CWINDOW_CROP;
2490                 gui->crop_handle = handle_selected;
2491                 gui->x_origin = cursor_x;
2492                 gui->y_origin = cursor_y;
2493                 gui->tool_panel->raise_window();
2494                 result = 1;
2495
2496                 if(handle_selected < 0 && !gui->crop_translate)
2497                 {
2498                         x2 = x1 = cursor_x;
2499                         y2 = y1 = cursor_y;
2500                         mwindow->edl->session->crop_x1 = (int)x1;
2501                         mwindow->edl->session->crop_y1 = (int)y1;
2502                         mwindow->edl->session->crop_x2 = (int)x2;
2503                         mwindow->edl->session->crop_y2 = (int)y2;
2504                         redraw = 1;
2505                 }
2506         }
2507     else
2508 // Translate all 4 points
2509         if(gui->current_operation == CWINDOW_CROP && gui->crop_translate)
2510         {
2511                 x1 = cursor_x - gui->x_origin + gui->crop_origin_x1;
2512                 y1 = cursor_y - gui->y_origin + gui->crop_origin_y1;
2513                 x2 = cursor_x - gui->x_origin + gui->crop_origin_x2;
2514                 y2 = cursor_y - gui->y_origin + gui->crop_origin_y2;
2515
2516                 mwindow->edl->session->crop_x1 = (int)x1;
2517                 mwindow->edl->session->crop_y1 = (int)y1;
2518                 mwindow->edl->session->crop_x2 = (int)x2;
2519                 mwindow->edl->session->crop_y2 = (int)y2;
2520                 result = 1;
2521                 redraw = 1;
2522         }
2523         else
2524 // Update dragging
2525         if(gui->current_operation == CWINDOW_CROP)
2526         {
2527                 switch(gui->crop_handle)
2528                 {
2529                         case -1:
2530                                 x1 = gui->crop_origin_x;
2531                                 y1 = gui->crop_origin_y;
2532                                 x2 = gui->crop_origin_x;
2533                                 y2 = gui->crop_origin_y;
2534                                 if(cursor_x < gui->x_origin)
2535                                 {
2536                                         if(cursor_y < gui->y_origin)
2537                                         {
2538                                                 x1 = cursor_x;
2539                                                 y1 = cursor_y;
2540                                         }
2541                                         else
2542                                         if(cursor_y >= gui->y_origin)
2543                                         {
2544                                                 x1 = cursor_x;
2545                                                 y2 = cursor_y;
2546                                         }
2547                                 }
2548                                 else
2549                                 if(cursor_x  >= gui->x_origin)
2550                                 {
2551                                         if(cursor_y < gui->y_origin)
2552                                         {
2553                                                 y1 = cursor_y;
2554                                                 x2 = cursor_x;
2555                                         }
2556                                         else
2557                                         if(cursor_y >= gui->y_origin)
2558                                         {
2559                                                 x2 = cursor_x;
2560                                                 y2 = cursor_y;
2561                                         }
2562                                 }
2563
2564 // printf("test crop %d %d %d %d\n",
2565 //      mwindow->edl->session->crop_x1,
2566 //      mwindow->edl->session->crop_y1,
2567 //      mwindow->edl->session->crop_x2,
2568 //      mwindow->edl->session->crop_y2);
2569                                 break;
2570                         case 0:
2571                                 x1 = cursor_x - gui->x_origin + gui->crop_origin_x;
2572                                 y1 = cursor_y - gui->y_origin + gui->crop_origin_y;
2573                                 break;
2574                         case 1:
2575                                 x2 = cursor_x - gui->x_origin + gui->crop_origin_x;
2576                                 y1 = cursor_y - gui->y_origin + gui->crop_origin_y;
2577                                 break;
2578                         case 2:
2579                                 x1 = cursor_x - gui->x_origin + gui->crop_origin_x;
2580                                 y2 = cursor_y - gui->y_origin + gui->crop_origin_y;
2581                                 break;
2582                         case 3:
2583                                 x2 = cursor_x - gui->x_origin + gui->crop_origin_x;
2584                                 y2 = cursor_y - gui->y_origin + gui->crop_origin_y;
2585                                 break;
2586                 }
2587
2588                 if(!EQUIV(mwindow->edl->session->crop_x1, x1) ||
2589                         !EQUIV(mwindow->edl->session->crop_x2, x2) ||
2590                         !EQUIV(mwindow->edl->session->crop_y1, y1) ||
2591                         !EQUIV(mwindow->edl->session->crop_y2, y2))
2592                 {
2593                         if (x1 > x2)
2594                         {
2595                                 float tmp = x1;
2596                                 x1 = x2;
2597                                 x2 = tmp;
2598                                 switch (gui->crop_handle)
2599                                 {
2600                                         case 0: gui->crop_handle = 1; break;
2601                                         case 1: gui->crop_handle = 0; break;
2602                                         case 2: gui->crop_handle = 3; break;
2603                                         case 3: gui->crop_handle = 2; break;
2604                                         default: break;
2605                                 }
2606                         }
2607
2608                         if (y1 > y2)
2609                         {
2610                                 float tmp = y1;
2611                                 y1 = y2;
2612                                 y2 = tmp;
2613                                 switch (gui->crop_handle)
2614                                 {
2615                                         case 0: gui->crop_handle = 2; break;
2616                                         case 1: gui->crop_handle = 3; break;
2617                                         case 2: gui->crop_handle = 0; break;
2618                                         case 3: gui->crop_handle = 1; break;
2619                                         default: break;
2620                                 }
2621                         }
2622
2623                         mwindow->edl->session->crop_x1 = (int)x1;
2624                         mwindow->edl->session->crop_y1 = (int)y1;
2625                         mwindow->edl->session->crop_x2 = (int)x2;
2626                         mwindow->edl->session->crop_y2 = (int)y2;
2627                         result = 1;
2628                         redraw = 1;
2629                 }
2630         }
2631         else
2632 // Update cursor font
2633         if(handle_selected >= 0)
2634         {
2635                 switch(handle_selected)
2636                 {
2637                         case 0:
2638                                 set_cursor(UPLEFT_RESIZE);
2639                                 break;
2640                         case 1:
2641                                 set_cursor(UPRIGHT_RESIZE);
2642                                 break;
2643                         case 2:
2644                                 set_cursor(DOWNLEFT_RESIZE);
2645                                 break;
2646                         case 3:
2647                                 set_cursor(DOWNRIGHT_RESIZE);
2648                                 break;
2649                 }
2650                 result = 1;
2651         }
2652         else
2653         {
2654                 set_cursor(ARROW_CURSOR);
2655         }
2656 #define CLAMP(x, y, z) ((x) = ((x) < (y) ? (y) : ((x) > (z) ? (z) : (x))))
2657
2658         if(redraw)
2659         {
2660                 CLAMP(mwindow->edl->session->crop_x1, 0, mwindow->edl->session->output_w);
2661                 CLAMP(mwindow->edl->session->crop_x2, 0, mwindow->edl->session->output_w);
2662                 CLAMP(mwindow->edl->session->crop_y1, 0, mwindow->edl->session->output_h);
2663                 CLAMP(mwindow->edl->session->crop_y2, 0, mwindow->edl->session->output_h);
2664 // printf("CWindowCanvas::test_crop %d %d %d %d\n",
2665 //      mwindow->edl->session->crop_x2,
2666 //      mwindow->edl->session->crop_y2,
2667 //      mwindow->edl->calculate_output_w(0),
2668 //      mwindow->edl->calculate_output_h(0));
2669         }
2670         return result;
2671 }
2672
2673
2674 void CWindowCanvas::draw_crop()
2675 {
2676         get_canvas()->set_inverse();
2677         get_canvas()->set_color(WHITE);
2678
2679         float x1 = mwindow->edl->session->crop_x1;
2680         float y1 = mwindow->edl->session->crop_y1;
2681         float x2 = mwindow->edl->session->crop_x2;
2682         float y2 = mwindow->edl->session->crop_y2;
2683
2684         output_to_canvas(mwindow->edl, 0, x1, y1);
2685         output_to_canvas(mwindow->edl, 0, x2, y2);
2686
2687         if(x2 - x1 && y2 - y1)
2688                 get_canvas()->draw_rectangle((int)x1,
2689                         (int)y1,
2690                         (int)(x2 - x1),
2691                         (int)(y2 - y1));
2692
2693         draw_crophandle((int)x1, (int)y1);
2694         draw_crophandle((int)x2 - CROPHANDLE_W, (int)y1);
2695         draw_crophandle((int)x1, (int)y2 - CROPHANDLE_H);
2696         draw_crophandle((int)x2 - CROPHANDLE_W, (int)y2 - CROPHANDLE_H);
2697         get_canvas()->set_opaque();
2698 }
2699
2700
2701
2702
2703
2704
2705
2706
2707 void CWindowCanvas::draw_bezier(int do_camera)
2708 {
2709         Track *track = gui->cwindow->calculate_affected_track();
2710
2711         if(!track) return;
2712
2713         float center_x;
2714         float center_y;
2715         float center_z;
2716         int64_t position = track->to_units(
2717                 mwindow->edl->local_session->get_selectionstart(1),
2718                 0);
2719
2720         track->automation->get_projector(&center_x,
2721                 &center_y,
2722                 &center_z,
2723                 position,
2724                 PLAY_FORWARD);
2725
2726 //      center_x += track->track_w / 2;
2727 //      center_y += track->track_h / 2;
2728         center_x += mwindow->edl->session->output_w / 2;
2729         center_y += mwindow->edl->session->output_h / 2;
2730         float track_x1 = center_x - track->track_w / 2 * center_z;
2731         float track_y1 = center_y - track->track_h / 2 * center_z;
2732         float track_x2 = track_x1 + track->track_w * center_z;
2733         float track_y2 = track_y1 + track->track_h * center_z;
2734
2735         output_to_canvas(mwindow->edl, 0, track_x1, track_y1);
2736         output_to_canvas(mwindow->edl, 0, track_x2, track_y2);
2737
2738 #define DRAW_PROJECTION(offset) \
2739         get_canvas()->draw_rectangle((int)track_x1 + offset, \
2740                 (int)track_y1 + offset, \
2741                 (int)(track_x2 - track_x1), \
2742                 (int)(track_y2 - track_y1)); \
2743         get_canvas()->draw_line((int)track_x1 + offset,  \
2744                 (int)track_y1 + offset, \
2745                 (int)track_x2 + offset, \
2746                 (int)track_y2 + offset); \
2747         get_canvas()->draw_line((int)track_x2 + offset,  \
2748                 (int)track_y1 + offset, \
2749                 (int)track_x1 + offset, \
2750                 (int)track_y2 + offset); \
2751
2752
2753 // Drop shadow
2754         get_canvas()->set_color(BLACK);
2755         DRAW_PROJECTION(1);
2756
2757 //      canvas->set_inverse();
2758         if(do_camera)
2759                 get_canvas()->set_color(GREEN);
2760         else
2761                 get_canvas()->set_color(RED);
2762
2763         DRAW_PROJECTION(0);
2764 //      canvas->set_opaque();
2765
2766 }
2767
2768 int CWindowCanvas::test_bezier(int button_press,
2769         int &redraw,
2770         int &redraw_canvas,
2771         int &rerender,
2772         int do_camera)
2773 {
2774         int result = 0;
2775
2776 // Processing drag operation.
2777 // Create keyframe during first cursor motion.
2778         if(!button_press)
2779         {
2780
2781                 float cursor_x = get_cursor_x();
2782                 float cursor_y = get_cursor_y();
2783                 canvas_to_output(mwindow->edl, 0, cursor_x, cursor_y);
2784
2785                 if(gui->current_operation == CWINDOW_CAMERA ||
2786                         gui->current_operation == CWINDOW_PROJECTOR)
2787                 {
2788                         if(!gui->ctrl_down() && gui->shift_down() && !gui->translating_zoom)
2789                         {
2790                                 gui->translating_zoom = 1;
2791                                 gui->reset_affected();
2792                         }
2793                         else
2794                         if(!gui->ctrl_down() && !gui->shift_down() && gui->translating_zoom)
2795                         {
2796                                 gui->translating_zoom = 0;
2797                                 gui->reset_affected();
2798                         }
2799
2800 // Get target keyframe
2801                         float last_center_x;
2802                         float last_center_y;
2803                         float last_center_z;
2804                         int created;
2805
2806                         if(!gui->affected_x && !gui->affected_y && !gui->affected_z)
2807                         {
2808                                 FloatAutos *affected_x_autos;
2809                                 FloatAutos *affected_y_autos;
2810                                 FloatAutos *affected_z_autos;
2811                                 if(!gui->affected_track) return 0;
2812                                 double position = mwindow->edl->local_session->get_selectionstart(1);
2813                                 int64_t track_position = gui->affected_track->to_units(position, 0);
2814
2815                                 if(mwindow->edl->session->cwindow_operation == CWINDOW_CAMERA)
2816                                 {
2817                                         affected_x_autos = (FloatAutos*)gui->affected_track->automation->autos[AUTOMATION_CAMERA_X];
2818                                         affected_y_autos = (FloatAutos*)gui->affected_track->automation->autos[AUTOMATION_CAMERA_Y];
2819                                         affected_z_autos = (FloatAutos*)gui->affected_track->automation->autos[AUTOMATION_CAMERA_Z];
2820                                 }
2821                                 else
2822                                 {
2823                                         affected_x_autos = (FloatAutos*)gui->affected_track->automation->autos[AUTOMATION_PROJECTOR_X];
2824                                         affected_y_autos = (FloatAutos*)gui->affected_track->automation->autos[AUTOMATION_PROJECTOR_Y];
2825                                         affected_z_autos = (FloatAutos*)gui->affected_track->automation->autos[AUTOMATION_PROJECTOR_Z];
2826                                 }
2827
2828
2829                                 if(gui->translating_zoom)
2830                                 {
2831                                         FloatAuto *previous = 0;
2832                                         FloatAuto *next = 0;
2833                                         float new_z = affected_z_autos->get_value(
2834                                                 track_position,
2835                                                 PLAY_FORWARD,
2836                                                 previous,
2837                                                 next);
2838                                         gui->affected_z =
2839                                                 (FloatAuto*)gui->cwindow->calculate_affected_auto(
2840                                                         affected_z_autos, 1, &created, 0);
2841                                         if(created) {
2842                                                 gui->affected_z->set_value(new_z);
2843                                                 redraw_canvas = 1;
2844                                         }
2845                                 }
2846                                 else
2847                                 {
2848                                         FloatAuto *previous = 0;
2849                                         FloatAuto *next = 0;
2850                                         float new_x = affected_x_autos->get_value(
2851                                                 track_position,
2852                                                 PLAY_FORWARD,
2853                                                 previous,
2854                                                 next);
2855                                         previous = 0;
2856                                         next = 0;
2857                                         float new_y = affected_y_autos->get_value(
2858                                                 track_position,
2859                                                 PLAY_FORWARD,
2860                                                 previous,
2861                                                 next);
2862                                         gui->affected_x =
2863                                                 (FloatAuto*)gui->cwindow->calculate_affected_auto(
2864                                                         affected_x_autos, 1, &created, 0);
2865                                         if(created) {
2866                                                 gui->affected_x->set_value(new_x);
2867                                                 redraw_canvas = 1;
2868                                         }
2869                                         gui->affected_y =
2870                                                 (FloatAuto*)gui->cwindow->calculate_affected_auto(
2871                                                         affected_y_autos, 1, &created, 0);
2872                                         if(created) {
2873                                                 gui->affected_y->set_value(new_y);
2874                                                 redraw_canvas = 1;
2875                                         }
2876                                 }
2877
2878                                 calculate_origin();
2879
2880                                 if(gui->translating_zoom)
2881                                 {
2882                                         gui->center_z = gui->affected_z->get_value();
2883                                 }
2884                                 else
2885                                 {
2886                                         gui->center_x = gui->affected_x->get_value();
2887                                         gui->center_y = gui->affected_y->get_value();
2888                                 }
2889
2890                                 rerender = 1;
2891                                 redraw = 1;
2892                         }
2893
2894                         if(gui->translating_zoom)
2895                         {
2896                                 last_center_z = gui->affected_z->get_value();
2897                                 float z = gui->center_z + (cursor_y - gui->y_origin) / 128;
2898                                 if( z < 0 ) z = 0;
2899                                 if(!EQUIV(last_center_z, z))
2900                                 {
2901                                         rerender = 1;
2902                                         redraw = 1;
2903                                         redraw_canvas = 1;
2904                                 }
2905                                 gui->affected_z->set_value(z);
2906                         }
2907                         else
2908                         {
2909                                 last_center_x = gui->affected_x->get_value();
2910                                 last_center_y = gui->affected_y->get_value();
2911                                 float x = gui->center_x + cursor_x - gui->x_origin;
2912                                 float y = gui->center_y + cursor_y - gui->y_origin;
2913                                 gui->affected_x->set_value(x);
2914                                 gui->affected_y->set_value(y);
2915                                 if( !EQUIV(last_center_x, x) || !EQUIV(last_center_y, y) )
2916                                 {
2917                                         rerender = 1;
2918                                         redraw = 1;
2919                                         redraw_canvas = 1;
2920                                 }
2921                                 gui->affected_x->set_value(x);
2922                                 gui->affected_y->set_value(y);
2923                         }
2924                 }
2925
2926                 result = 1;
2927         }
2928         else
2929 // Begin drag operation.  Don't create keyframe here.
2930         {
2931 // Get affected track off of the first recordable video track.
2932 // Calculating based on the alpha channel would require recording what layer
2933 // each output pixel belongs to as they're rendered and stacked.  Forget it.
2934                 gui->affected_track = gui->cwindow->calculate_affected_track();
2935                 gui->reset_affected();
2936
2937                 if(gui->affected_track)
2938                 {
2939                         if(gui->current_operation == CWINDOW_CAMERA)
2940                                 mwindow->undo->update_undo_before(_("camera"), this);
2941                         else
2942                                 mwindow->undo->update_undo_before(_("projector"), this);
2943
2944                         gui->current_operation =
2945                                 mwindow->edl->session->cwindow_operation;
2946                         gui->tool_panel->raise_window();
2947                         result = 1;
2948                 }
2949         }
2950
2951         return result;
2952 }
2953
2954
2955 int CWindowCanvas::test_zoom(int &redraw)
2956 {
2957         int result = 0;
2958         float zoom = get_zoom();
2959         float x;
2960         float y;
2961
2962         if(!mwindow->edl->session->cwindow_scrollbars)
2963         {
2964                 mwindow->edl->session->cwindow_scrollbars = 1;
2965                 zoom = 1.0;
2966                 x = mwindow->edl->session->output_w / 2;
2967                 y = mwindow->edl->session->output_h / 2;
2968                 x = x - w / zoom / 2;
2969                 y = y - h / zoom / 2;
2970         }
2971         else
2972         {
2973 // Cursor position relative to canvas
2974                 x = get_cursor_x();
2975                 y = get_cursor_y();
2976 // cursor position relative to output
2977                 float output_x = x;
2978                 float output_y = y;
2979                 canvas_to_output(mwindow->edl,
2980                                 0,
2981                                 output_x,
2982                                 output_y);
2983
2984 //printf("CWindowCanvas::test_zoom 1 %f %f\n", x, y);
2985
2986 // Find current zoom in table
2987                 int current_index = 0;
2988                 for(current_index = 0 ; current_index < total_zooms; current_index++)
2989                         if(EQUIV(my_zoom_table[current_index], zoom)) break;
2990
2991
2992 // Zoom out
2993                 if(get_buttonpress() == 5 ||
2994                         gui->ctrl_down() ||
2995                         gui->shift_down())
2996                 {
2997                         current_index--;
2998                 }
2999                 else
3000 // Zoom in
3001                 {
3002                         current_index++;
3003                 }
3004
3005                 CLAMP(current_index, 0, total_zooms - 1);
3006                 zoom = my_zoom_table[current_index];
3007
3008                 x = output_x - x / zoom;
3009                 y = output_y - y / zoom;
3010
3011
3012         }
3013
3014
3015
3016         int x_i = (int)x;
3017         int y_i = (int)y;
3018 //      check_boundaries(mwindow->edl, x_i, y_i, zoom);
3019
3020 //printf("CWindowCanvas::test_zoom 2 %d %d\n", x_i, y_i);
3021
3022         update_zoom(x_i,
3023                         y_i,
3024                         zoom);
3025         reposition_window(mwindow->edl,
3026                         mwindow->theme->ccanvas_x,
3027                         mwindow->theme->ccanvas_y,
3028                         mwindow->theme->ccanvas_w,
3029                         mwindow->theme->ccanvas_h);
3030         redraw = 1;
3031         result = 1;
3032
3033
3034         gui->zoom_panel->update(zoom);
3035
3036         return result;
3037 }
3038
3039
3040 void CWindowCanvas::calculate_origin()
3041 {
3042         gui->x_origin = get_cursor_x();
3043         gui->y_origin = get_cursor_y();
3044 //printf("CWindowCanvas::calculate_origin 1 %f %f\n", gui->x_origin, gui->y_origin);
3045         canvas_to_output(mwindow->edl, 0, gui->x_origin, gui->y_origin);
3046 //printf("CWindowCanvas::calculate_origin 2 %f %f\n", gui->x_origin, gui->y_origin);
3047 }
3048
3049
3050 int CWindowCanvas::cursor_leave_event()
3051 {
3052         set_cursor(ARROW_CURSOR);
3053         return 1;
3054 }
3055
3056 int CWindowCanvas::cursor_enter_event()
3057 {
3058         int redraw = 0;
3059         switch(mwindow->edl->session->cwindow_operation)
3060         {
3061                 case CWINDOW_CAMERA:
3062                 case CWINDOW_PROJECTOR:
3063                         set_cursor(MOVE_CURSOR);
3064                         break;
3065                 case CWINDOW_ZOOM:
3066                         set_cursor(MOVE_CURSOR);
3067                         break;
3068                 case CWINDOW_CROP:
3069                         test_crop(0, redraw);
3070                         break;
3071                 case CWINDOW_PROTECT:
3072                         set_cursor(ARROW_CURSOR);
3073                         break;
3074                 case CWINDOW_MASK:
3075                 case CWINDOW_RULER:
3076                         set_cursor(CROSS_CURSOR);
3077                         break;
3078                 case CWINDOW_EYEDROP:
3079                         set_cursor(CROSS_CURSOR);
3080                         break;
3081         }
3082         return 1;
3083 }
3084
3085 int CWindowCanvas::cursor_motion_event()
3086 {
3087         int redraw = 0, result = 0, rerender = 0, redraw_canvas = 0;
3088
3089
3090 //printf("CWindowCanvas::cursor_motion_event %d current_operation=%d\n", __LINE__, gui->current_operation);
3091         switch(gui->current_operation)
3092         {
3093                 case CWINDOW_SCROLL:
3094                 {
3095                         float zoom = get_zoom();
3096                         float cursor_x = get_cursor_x();
3097                         float cursor_y = get_cursor_y();
3098
3099                         float zoom_x, zoom_y, conformed_w, conformed_h;
3100                         get_zooms(mwindow->edl, 0, zoom_x, zoom_y, conformed_w, conformed_h);
3101                         cursor_x = (float)cursor_x / zoom_x + gui->x_offset;
3102                         cursor_y = (float)cursor_y / zoom_y + gui->y_offset;
3103
3104
3105
3106                         int x = (int)(gui->x_origin - cursor_x + gui->x_offset);
3107                         int y = (int)(gui->y_origin - cursor_y + gui->y_offset);
3108
3109                         update_zoom(x,
3110                                 y,
3111                                 zoom);
3112                         update_scrollbars(0);
3113                         redraw = 1;
3114                         result = 1;
3115                         break;
3116                 }
3117
3118                 case CWINDOW_RULER:
3119                         result = do_ruler(0, 1, 0, 0);
3120                         break;
3121
3122                 case CWINDOW_CAMERA:
3123                         result = test_bezier(0, redraw, redraw_canvas, rerender, 1);
3124                         break;
3125
3126                 case CWINDOW_PROJECTOR:
3127                         result = test_bezier(0, redraw, redraw_canvas, rerender, 0);
3128                         break;
3129
3130
3131                 case CWINDOW_CROP:
3132                         result = test_crop(0, redraw);
3133 // printf("CWindowCanvas::cursor_motion_event %d result=%d redraw=%d\n",
3134 // __LINE__,
3135 // result,
3136 // redraw);
3137                         break;
3138
3139                 case CWINDOW_MASK:
3140                 case CWINDOW_MASK_CONTROL_IN:
3141                 case CWINDOW_MASK_CONTROL_OUT:
3142                 case CWINDOW_MASK_TRANSLATE:
3143
3144                         result = do_mask(redraw,
3145                                 rerender,
3146                                 0,
3147                                 1,
3148                                 0);
3149                         break;
3150
3151                 case CWINDOW_EYEDROP:
3152                         result = do_eyedrop(rerender, 0, 0);
3153                         break;
3154
3155                 default:
3156                         break;
3157
3158         }
3159
3160
3161 // cursor font changes
3162         if(!result)
3163         {
3164 // printf("CWindowCanvas::cursor_motion_event %d cwindow_operation=%d\n",
3165 // __LINE__,
3166 // mwindow->edl->session->cwindow_operation);
3167                 switch(mwindow->edl->session->cwindow_operation)
3168                 {
3169                         case CWINDOW_CROP:
3170                                 result = test_crop(0, redraw);
3171                                 break;
3172                         case CWINDOW_RULER:
3173                                 result = do_ruler(0, 1, 0, 0);
3174                                 break;
3175                         case CWINDOW_MASK:
3176                                 result = do_mask(redraw,
3177                                         rerender,
3178                                         0,
3179                                         1,
3180                                         0);
3181                                         break;
3182                 }
3183         }
3184
3185
3186 // If the window is never unlocked before calling send_command the
3187 // display shouldn't get stuck on the old video frame although it will
3188 // flicker between the old video frame and the new video frame.
3189
3190         if(redraw)
3191         {
3192                 draw_refresh();
3193                 gui->update_tool();
3194         }
3195
3196         if(redraw_canvas)
3197         {
3198                 gui->unlock_window();
3199
3200
3201                 mwindow->gui->lock_window("CWindowCanvas::cursor_motion_event 1");
3202                 mwindow->gui->draw_overlays(1);
3203                 mwindow->gui->unlock_window();
3204
3205                 gui->lock_window("CWindowCanvas::cursor_motion_event 1");
3206         }
3207
3208         if(rerender)
3209         {
3210                 gui->unlock_window();
3211                 mwindow->restart_brender();
3212                 mwindow->sync_parameters(CHANGE_PARAMS);
3213                 gui->cwindow->playback_engine->que->send_command(CURRENT_FRAME,
3214                         CHANGE_NONE,
3215                         mwindow->edl,
3216                         1);
3217                 if(!redraw) gui->update_tool();
3218                 gui->lock_window("CWindowCanvas::cursor_motion_event 2");
3219         }
3220         return result;
3221 }
3222
3223 int CWindowCanvas::button_press_event()
3224 {
3225         int result = 0;
3226         int redraw = 0;
3227         int redraw_canvas = 0;
3228         int rerender = 0;
3229
3230         if(Canvas::button_press_event()) return 1;
3231
3232         gui->translating_zoom = gui->shift_down();
3233
3234         calculate_origin();
3235 //printf("CWindowCanvas::button_press_event 2 %f %f\n", gui->x_origin, gui->y_origin, gui->x_origin, gui->y_origin);
3236
3237         float zoom_x, zoom_y, conformed_w, conformed_h;
3238         get_zooms(mwindow->edl, 0, zoom_x, zoom_y, conformed_w, conformed_h);
3239         gui->x_offset = get_x_offset(mwindow->edl, 0, zoom_x, conformed_w, conformed_h);
3240         gui->y_offset = get_y_offset(mwindow->edl, 0, zoom_y, conformed_w, conformed_h);
3241
3242 // Scroll view
3243         if(get_buttonpress() == 2)
3244         {
3245                 gui->current_operation = CWINDOW_SCROLL;
3246                 result = 1;
3247         }
3248         else
3249 // Adjust parameter
3250         {
3251                 switch(mwindow->edl->session->cwindow_operation)
3252                 {
3253                         case CWINDOW_RULER:
3254                                 result = do_ruler(0, 0, 1, 0);
3255                                 break;
3256
3257                         case CWINDOW_CAMERA:
3258                                 result = test_bezier(1, redraw, redraw_canvas, rerender, 1);
3259                                 break;
3260
3261                         case CWINDOW_PROJECTOR:
3262                                 result = test_bezier(1, redraw, redraw_canvas, rerender, 0);
3263                                 break;
3264
3265                         case CWINDOW_ZOOM:
3266                                 result = test_zoom(redraw);
3267                                 break;
3268
3269                         case CWINDOW_CROP:
3270                                 result = test_crop(1, redraw);
3271                                 break;
3272
3273                         case CWINDOW_MASK:
3274                                 if(get_buttonpress() == 1)
3275                                         result = do_mask(redraw, rerender, 1, 0, 0);
3276                                 break;
3277
3278                         case CWINDOW_EYEDROP:
3279                                 result = do_eyedrop(rerender, 1, 0);
3280                                 break;
3281                 }
3282         }
3283
3284         if(redraw)
3285         {
3286                 draw_refresh();
3287                 gui->unlock_window();
3288
3289
3290                 mwindow->gui->lock_window("CWindowCanvas::button_press_event 1");
3291                 mwindow->gui->draw_overlays(1);
3292                 mwindow->gui->unlock_window();
3293                 gui->update_tool();
3294
3295                 gui->lock_window("CWindowCanvas::button_press_event 1");
3296         }
3297
3298 // rerendering can also be caused by press event
3299         if(rerender)
3300         {
3301                 gui->unlock_window();
3302
3303                 mwindow->restart_brender();
3304                 mwindow->sync_parameters(CHANGE_PARAMS);
3305                 gui->cwindow->playback_engine->que->send_command(CURRENT_FRAME,
3306                         CHANGE_NONE,
3307                         mwindow->edl,
3308                         1);
3309                 if(!redraw) gui->update_tool();
3310                 gui->lock_window("CWindowCanvas::button_press_event 2");
3311         }
3312         return result;
3313 }
3314
3315 int CWindowCanvas::button_release_event()
3316 {
3317         int result = 0;
3318
3319         switch(gui->current_operation)
3320         {
3321                 case CWINDOW_SCROLL:
3322                         result = 1;
3323                         break;
3324
3325                 case CWINDOW_RULER:
3326                         do_ruler(0, 0, 0, 1);
3327                         break;
3328
3329                 case CWINDOW_CAMERA:
3330                         mwindow->undo->update_undo_after(_("camera"), LOAD_AUTOMATION);
3331                         break;
3332
3333                 case CWINDOW_PROJECTOR:
3334                         mwindow->undo->update_undo_after(_("projector"), LOAD_AUTOMATION);
3335                         break;
3336
3337                 case CWINDOW_MASK:
3338                 case CWINDOW_MASK_CONTROL_IN:
3339                 case CWINDOW_MASK_CONTROL_OUT:
3340                 case CWINDOW_MASK_TRANSLATE:
3341 // Finish mask operation
3342                         gui->mask_keyframe = 0;
3343                         mwindow->undo->update_undo_after(_("mask"), LOAD_AUTOMATION);
3344                         break;
3345
3346         }
3347
3348         gui->current_operation = CWINDOW_NONE;
3349         return result;
3350 }
3351
3352 void CWindowCanvas::zoom_resize_window(float percentage)
3353 {
3354         int canvas_w, canvas_h;
3355         int new_w, new_h;
3356
3357
3358 // Get required canvas size
3359         calculate_sizes(mwindow->edl->get_aspect_ratio(),
3360                 mwindow->edl->session->output_w,
3361                 mwindow->edl->session->output_h,
3362                 percentage,
3363                 canvas_w,
3364                 canvas_h);
3365
3366 // Estimate window size from current borders
3367         new_w = canvas_w + (gui->get_w() - mwindow->theme->ccanvas_w);
3368         new_h = canvas_h + (gui->get_h() - mwindow->theme->ccanvas_h);
3369
3370 //printf("CWindowCanvas::zoom_resize_window %d %d %d\n", __LINE__, new_w, new_h);
3371         mwindow->session->cwindow_w = new_w;
3372         mwindow->session->cwindow_h = new_h;
3373
3374         mwindow->theme->get_cwindow_sizes(gui,
3375                 mwindow->session->cwindow_controls);
3376
3377 // Estimate again from new borders
3378         new_w = canvas_w + (mwindow->session->cwindow_w - mwindow->theme->ccanvas_w);
3379         new_h = canvas_h + (mwindow->session->cwindow_h - mwindow->theme->ccanvas_h);
3380 //printf("CWindowCanvas::zoom_resize_window %d %d %d\n", __LINE__, new_w, new_h);
3381
3382         gui->resize_window(new_w, new_h);
3383         gui->resize_event(new_w, new_h);
3384 }
3385
3386 void CWindowCanvas::toggle_controls()
3387 {
3388         mwindow->session->cwindow_controls = !mwindow->session->cwindow_controls;
3389         gui->resize_event(gui->get_w(), gui->get_h());
3390 }
3391
3392 int CWindowCanvas::get_cwindow_controls()
3393 {
3394         return mwindow->session->cwindow_controls;
3395 }
3396
3397
3398