cinelerra-5.1/cinelerra/cwindowgui.C

   1
   2 /*
   3  * CINELERRA
   4  * Copyright (C) 1997-2014 Adam Williams <broadcast at earthling dot net>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  *
  20  */
  21
  22 #include "automation.h"
  23 #include "autos.h"
  24 #include "bcsignals.h"
  25 #include "canvas.h"
  26 #include "clip.h"
  27 #include "cpanel.h"
  28 #include "cplayback.h"
  29 #include "ctimebar.h"
  30 #include "cursors.h"
  31 #include "cwindowgui.h"
  32 #include "cwindow.h"
  33 #include "cwindowtool.h"
  34 #include "editpanel.h"
  35 #include "edl.h"
  36 #include "edlsession.h"
  37 #include "floatauto.h"
  38 #include "floatautos.h"
  39 #include "keys.h"
  40 #include "language.h"
  41 #include "localsession.h"
  42 #include "mainclock.h"
  43 #include "mainmenu.h"
  44 #include "mainundo.h"
  45 #include "mainsession.h"
  46 #include "maskauto.h"
  47 #include "maskautos.h"
  48 #include "mbuttons.h"
  49 #include "meterpanel.h"
  50 #include "mwindowgui.h"
  51 #include "mwindow.h"
  52 #include "mwindow.h"
  53 #include "playback3d.h"
  54 #include "playtransport.h"
  55 #include "theme.h"
  56 #include "trackcanvas.h"
  57 #include "tracks.h"
  58 #include "transportque.h"
  59 #include "vtrack.h"
  60
  61
  62 static double my_zoom_table[] =
  63 {
  64         0.25,
  65         0.33,
  66         0.50,
  67         0.75,
  68         1.0,
  69         1.5,
  70         2.0,
  71         3.0,
  72         4.0
  73 };
  74
  75 static int total_zooms = sizeof(my_zoom_table) / sizeof(double);
  76
  77
  78 CWindowGUI::CWindowGUI(MWindow *mwindow, CWindow *cwindow)
  79  : BC_Window(_(PROGRAM_NAME ": Compositor"),
  80         mwindow->session->cwindow_x,
  81     mwindow->session->cwindow_y,
  82     mwindow->session->cwindow_w,
  83     mwindow->session->cwindow_h,
  84     100,
  85     100,
  86     1,
  87     1,
  88     1,
  89         BC_WindowBase::get_resources()->bg_color,
  90         mwindow->get_cwindow_display())
  91 {
  92         this->mwindow = mwindow;
  93         this->cwindow = cwindow;
  94         affected_track = 0;
  95         affected_x = affected_y = affected_z = 0;
  96         mask_keyframe = 0;
  97         orig_mask_keyframe = new MaskAuto(0, 0);
  98         affected_point = 0;
  99         x_offset = y_offset = 0;
 100         x_origin = y_origin = 0;
 101         current_operation = CWINDOW_NONE;
 102         tool_panel = 0;
 103         active = 0;
 104         inactive = 0;
 105         crop_handle = -1; crop_translate = 0;
 106         crop_origin_x = crop_origin_y = 0;
 107         crop_origin_x1 = crop_origin_y1 = 0;
 108         crop_origin_x2 = crop_origin_y2 = 0;
 109         eyedrop_visible = 0;
 110         eyedrop_x = eyedrop_y = 0;
 111         ruler_origin_x = ruler_origin_y = 0;
 112         ruler_handle = -1; ruler_translate = 0;
 113         center_x = center_y = center_z = 0;
 114         control_in_x = control_in_y = 0;
 115         control_out_x = control_out_y = 0;
 116         translating_zoom = 0;
 117         highlighted = 0;
 118 }
 119
 120 CWindowGUI::~CWindowGUI()
 121 {
 122         if(tool_panel) delete tool_panel;
 123         delete meters;
 124         delete composite_panel;
 125         delete canvas;
 126         delete transport;
 127         delete edit_panel;
 128         delete zoom_panel;
 129         delete active;
 130         delete inactive;
 131         delete orig_mask_keyframe;
 132 }
 133
 134 void CWindowGUI::create_objects()
 135 {
 136         lock_window("CWindowGUI::create_objects");
 137         set_icon(mwindow->theme->get_image("cwindow_icon"));
 138
 139         active = new BC_Pixmap(this, mwindow->theme->get_image("cwindow_active"));
 140         inactive = new BC_Pixmap(this, mwindow->theme->get_image("cwindow_inactive"));
 141
 142         mwindow->theme->get_cwindow_sizes(this, mwindow->session->cwindow_controls);
 143         mwindow->theme->draw_cwindow_bg(this);
 144         flash();
 145
 146 // Meters required by composite panel
 147         meters = new CWindowMeters(mwindow,
 148                 this,
 149                 mwindow->theme->cmeter_x,
 150                 mwindow->theme->cmeter_y,
 151                 mwindow->theme->cmeter_h);
 152         meters->create_objects();
 153
 154
 155         composite_panel = new CPanel(mwindow,
 156                 this,
 157                 mwindow->theme->ccomposite_x,
 158                 mwindow->theme->ccomposite_y,
 159                 mwindow->theme->ccomposite_w,
 160                 mwindow->theme->ccomposite_h);
 161         composite_panel->create_objects();
 162
 163         canvas = new CWindowCanvas(mwindow, this);
 164
 165         canvas->create_objects(mwindow->edl);
 166         canvas->use_cwindow();
 167
 168
 169         add_subwindow(timebar = new CTimeBar(mwindow,
 170                 this,
 171                 mwindow->theme->ctimebar_x,
 172                 mwindow->theme->ctimebar_y,
 173                 mwindow->theme->ctimebar_w,
 174                 mwindow->theme->ctimebar_h));
 175         timebar->create_objects();
 176
 177 #ifdef USE_SLIDER
 178         add_subwindow(slider = new CWindowSlider(mwindow,
 179                 cwindow,
 180                 mwindow->theme->cslider_x,
 181                 mwindow->theme->cslider_y,
 182                 mwindow->theme->cslider_w));
 183 #endif
 184
 185         transport = new CWindowTransport(mwindow,
 186                 this,
 187                 mwindow->theme->ctransport_x,
 188                 mwindow->theme->ctransport_y);
 189         transport->create_objects();
 190 #ifdef USE_SLIDER
 191         transport->set_slider(slider);
 192 #endif
 193
 194         edit_panel = new CWindowEditing(mwindow, cwindow);
 195         edit_panel->set_meters(meters);
 196         edit_panel->create_objects();
 197
 198 //      add_subwindow(clock = new MainClock(mwindow,
 199 //              mwindow->theme->ctime_x,
 200 //              mwindow->theme->ctime_y));
 201
 202         zoom_panel = new CWindowZoom(mwindow,
 203                 this,
 204                 mwindow->theme->czoom_x,
 205                 mwindow->theme->czoom_y,
 206                 mwindow->theme->czoom_w);
 207         zoom_panel->create_objects();
 208         zoom_panel->zoom_text->add_item(new BC_MenuItem(auto_zoom = _(AUTO_ZOOM)));
 209         if( !mwindow->edl->session->cwindow_scrollbars )
 210                 zoom_panel->set_text(auto_zoom);
 211
 212 //      destination = new CWindowDestination(mwindow,
 213 //              this,
 214 //              mwindow->theme->cdest_x,
 215 //              mwindow->theme->cdest_y);
 216 //      destination->create_objects();
 217
 218 // Must create after meter panel
 219         tool_panel = new CWindowTool(mwindow, this);
 220         tool_panel->Thread::start();
 221
 222         set_operation(mwindow->edl->session->cwindow_operation);
 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, mwindow->theme->ccomposite_h);
 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( current_operation == CWINDOW_NONE &&
 293             mwindow->edl != 0 && canvas->get_canvas() &&
 294             mwindow->edl->session->cwindow_click2play &&
 295             canvas->get_canvas()->get_cursor_over_window() ) {
 296                 switch( get_buttonpress() ) {
 297                 case LEFT_BUTTON:
 298                         if( !cwindow->playback_engine->is_playing_back ) {
 299                                 double length = mwindow->edl->tracks->total_playable_length();
 300                                 double position = cwindow->playback_engine->get_tracking_position();
 301                                 if( position >= length ) transport->goto_start();
 302                         }
 303                         return transport->forward_play->handle_event();
 304                 case MIDDLE_BUTTON:
 305                         if( !cwindow->playback_engine->is_playing_back ) {
 306                                 double position = cwindow->playback_engine->get_tracking_position();
 307                                 if( position <= 0 ) transport->goto_end();
 308                         }
 309                         return transport->reverse_play->handle_event();
 310                 case RIGHT_BUTTON:  // activates popup
 311                         break;
 312                 case WHEEL_UP:
 313                         return transport->frame_forward_play->handle_event();
 314                 case WHEEL_DOWN:
 315                         return transport->frame_reverse_play->handle_event();
 316                 }
 317         }
 318         if(canvas->get_canvas())
 319                 return canvas->button_press_event_base(canvas->get_canvas());
 320         return 0;
 321 }
 322
 323 int CWindowGUI::cursor_leave_event()
 324 {
 325         if(canvas->get_canvas())
 326                 return canvas->cursor_leave_event_base(canvas->get_canvas());
 327         return 0;
 328 }
 329
 330 int CWindowGUI::cursor_enter_event()
 331 {
 332         if(canvas->get_canvas())
 333                 return canvas->cursor_enter_event_base(canvas->get_canvas());
 334         return 0;
 335 }
 336
 337 int CWindowGUI::button_release_event()
 338 {
 339         if(canvas->get_canvas())
 340                 return canvas->button_release_event();
 341         return 0;
 342 }
 343
 344 int CWindowGUI::cursor_motion_event()
 345 {
 346         if(canvas->get_canvas())
 347         {
 348                 canvas->get_canvas()->unhide_cursor();
 349                 return canvas->cursor_motion_event();
 350         }
 351         return 0;
 352 }
 353
 354
 355
 356
 357
 358
 359
 360 void CWindowGUI::draw_status(int flush)
 361 {
 362         if( (canvas->get_canvas() && canvas->get_canvas()->get_video_on()) ||
 363                 canvas->is_processing )
 364         {
 365                 draw_pixmap(active,
 366                         mwindow->theme->cstatus_x,
 367                         mwindow->theme->cstatus_y);
 368         }
 369         else
 370         {
 371                 draw_pixmap(inactive,
 372                         mwindow->theme->cstatus_x,
 373                         mwindow->theme->cstatus_y);
 374         }
 375
 376
 377 // printf("CWindowGUI::draw_status %d %d %d\n", __LINE__, mwindow->theme->cstatus_x,
 378 //              mwindow->theme->cstatus_y);
 379         flash(mwindow->theme->cstatus_x,
 380                 mwindow->theme->cstatus_y,
 381                 active->get_w(),
 382                 active->get_h(),
 383                 flush);
 384 }
 385
 386 float CWindowGUI::get_auto_zoom()
 387 {
 388         float conformed_w, conformed_h;
 389         mwindow->edl->calculate_conformed_dimensions(0, conformed_w, conformed_h);
 390         float zoom_x = canvas->w / conformed_w;
 391         float zoom_y = canvas->h / conformed_h;
 392         return zoom_x < zoom_y ? zoom_x : zoom_y;
 393 }
 394
 395 void CWindowGUI::zoom_canvas(double value, int update_menu)
 396 {
 397         float x = 0, y = 0;
 398         float zoom = !value ? get_auto_zoom() : value;
 399         mwindow->edl->session->cwindow_scrollbars = !value ? 0 : 1;
 400         if( value ) {
 401                 float cx = canvas->get_xscroll() + 0.5f*canvas->w_visible;
 402                 float cy = canvas->get_yscroll() + 0.5f*canvas->h_visible;
 403                 float output_x = cx, output_y = cy;
 404                 canvas->output_to_canvas(mwindow->edl, 0, cx, cy);
 405                 x = output_x - cx / zoom;
 406                 y = output_y - cy / zoom;
 407         }
 408         canvas->update_zoom((int)(x+0.5), (int)(y+0.5), zoom);
 409
 410         if( update_menu )
 411                 zoom_panel->update(value);
 412         if( mwindow->edl->session->cwindow_operation == CWINDOW_ZOOM )
 413                 composite_panel->cpanel_zoom->update(zoom);
 414
 415         canvas->reposition_window(mwindow->edl,
 416                 mwindow->theme->ccanvas_x, mwindow->theme->ccanvas_y,
 417                 mwindow->theme->ccanvas_w, mwindow->theme->ccanvas_h);
 418         canvas->draw_refresh();
 419 }
 420
 421 void CWindowGUI::set_operation(int value)
 422 {
 423         switch( value ) {
 424         case CWINDOW_TOOL_WINDOW:
 425                 mwindow->edl->session->tool_window = !mwindow->edl->session->tool_window;
 426                 composite_panel->operation[CWINDOW_TOOL_WINDOW]->update(mwindow->edl->session->tool_window);
 427                 tool_panel->update_show_window();
 428                 return;
 429         case CWINDOW_TITLESAFE:
 430                 mwindow->edl->session->safe_regions = !mwindow->edl->session->safe_regions;
 431                 composite_panel->operation[CWINDOW_TITLESAFE]->update(mwindow->edl->session->safe_regions);
 432                 value = mwindow->edl->session->cwindow_operation;
 433                 break;
 434         default:
 435                 mwindow->edl->session->cwindow_operation = value;
 436                 composite_panel->set_operation(value);
 437                 break;
 438         }
 439
 440         edit_panel->update();
 441         tool_panel->start_tool(value);
 442         canvas->draw_refresh();
 443 }
 444
 445 void CWindowGUI::update_tool()
 446 {
 447         tool_panel->update_values();
 448 }
 449
 450 int CWindowGUI::close_event()
 451 {
 452         cwindow->hide_window();
 453         return 1;
 454 }
 455
 456
 457 int CWindowGUI::keypress_event()
 458 {
 459         int result = 0;
 460         int cwindow_operation = CWINDOW_NONE;
 461
 462         switch(get_keypress())
 463         {
 464                 case 'w':
 465                 case 'W':
 466                         close_event();
 467                         result = 1;
 468                         break;
 469                 case '+':
 470                 case '=':
 471                         keyboard_zoomin();
 472                         result = 1;
 473                         break;
 474                 case '-':
 475                         keyboard_zoomout();
 476                         result = 1;
 477                         break;
 478                 case 'f':
 479                         unlock_window();
 480                         if(mwindow->session->cwindow_fullscreen)
 481                                 canvas->stop_fullscreen();
 482                         else
 483                                 canvas->start_fullscreen();
 484                         lock_window("CWindowGUI::keypress_event 1");
 485                         break;
 486                 case 'x':
 487                         unlock_window();
 488                         mwindow->gui->lock_window("CWindowGUI::keypress_event 2");
 489                         mwindow->cut();
 490                         mwindow->gui->unlock_window();
 491                         lock_window("CWindowGUI::keypress_event 2");
 492                         break;
 493                 case DELETE:
 494                         unlock_window();
 495                         mwindow->gui->lock_window("CWindowGUI::keypress_event 2");
 496                         mwindow->clear_entry();
 497                         mwindow->gui->unlock_window();
 498                         lock_window("CWindowGUI::keypress_event 3");
 499                         break;
 500                 case ESC:
 501                         unlock_window();
 502                         if(mwindow->session->cwindow_fullscreen)
 503                                 canvas->stop_fullscreen();
 504                         lock_window("CWindowGUI::keypress_event 4");
 505                         break;
 506                 case LEFT:
 507                         if( !ctrl_down() ) {
 508                                 int alt_down = this->alt_down();
 509                                 int shift_down = this->shift_down();
 510                                 unlock_window();
 511                                 stop_transport(0);
 512                                 mwindow->gui->lock_window("CWindowGUI::keypress_event 5");
 513                                 if( alt_down )
 514                                         mwindow->prev_edit_handle(shift_down);
 515                                 else
 516                                         mwindow->move_left();
 517                                 mwindow->gui->unlock_window();
 518                                 lock_window("CWindowGUI::keypress_event 6");
 519                                 result = 1;
 520                         }
 521                         break;
 522
 523                 case ',':
 524                         if( !ctrl_down() && !alt_down() ) {
 525                                 unlock_window();
 526                                 stop_transport(0);
 527                                 mwindow->gui->lock_window("CWindowGUI::keypress_event 7");
 528                                 mwindow->move_left();
 529                                 mwindow->gui->unlock_window();
 530                                 lock_window("CWindowGUI::keypress_event 8");
 531                                 result = 1;
 532                         }
 533                         break;
 534
 535                 case RIGHT:
 536                         if( !ctrl_down() ) {
 537                                 int alt_down = this->alt_down();
 538                                 int shift_down = this->shift_down();
 539                                 unlock_window();
 540                                 stop_transport(0);
 541                                 mwindow->gui->lock_window("CWindowGUI::keypress_event 8");
 542                                 if( alt_down )
 543                                         mwindow->next_edit_handle(shift_down);
 544                                 else
 545                                         mwindow->move_right();
 546                                 mwindow->gui->unlock_window();
 547                                 lock_window("CWindowGUI::keypress_event 9");
 548                                 result = 1;
 549                         }
 550                         break;
 551
 552                 case '.':
 553                         if( !ctrl_down() && !alt_down() ) {
 554                                 unlock_window();
 555                                 stop_transport(0);
 556                                 mwindow->gui->lock_window("CWindowGUI::keypress_event 10");
 557                                 mwindow->move_right();
 558                                 mwindow->gui->unlock_window();
 559                                 lock_window("CWindowGUI::keypress_event 11");
 560                                 result = 1;
 561                         }
 562                         break;
 563
 564                 case KEY_F1:    cwindow_operation = CWINDOW_PROTECT;    break;
 565                 case KEY_F2:    cwindow_operation = CWINDOW_ZOOM;       break;
 566                 case KEY_F3:    cwindow_operation = CWINDOW_MASK;       break;
 567                 case KEY_F4:    cwindow_operation = CWINDOW_RULER;      break;
 568                 case KEY_F5:    cwindow_operation = CWINDOW_CAMERA;     break;
 569                 case KEY_F6:    cwindow_operation = CWINDOW_PROJECTOR;  break;
 570                 case KEY_F7:    cwindow_operation = CWINDOW_CROP;       break;
 571                 case KEY_F8:    cwindow_operation = CWINDOW_EYEDROP;    break;
 572                 case KEY_F9:    cwindow_operation = CWINDOW_TOOL_WINDOW; break;
 573                 case KEY_F10:   cwindow_operation = CWINDOW_TITLESAFE;  break;
 574         }
 575
 576         if( cwindow_operation >= 0 ) {
 577                 set_operation(cwindow_operation);
 578                 result = 1;
 579         }
 580
 581         if(!result) result = transport->keypress_event();
 582
 583         return result;
 584 }
 585
 586
 587 void CWindowGUI::reset_affected()
 588 {
 589         affected_x = 0;
 590         affected_y = 0;
 591         affected_z = 0;
 592 }
 593
 594 void CWindowGUI::keyboard_zoomin()
 595 {
 596 //      if(mwindow->edl->session->cwindow_scrollbars)
 597 //      {
 598                 zoom_panel->zoom_tumbler->handle_up_event();
 599 //      }
 600 //      else
 601 //      {
 602 //      }
 603 }
 604
 605 void CWindowGUI::keyboard_zoomout()
 606 {
 607 //      if(mwindow->edl->session->cwindow_scrollbars)
 608 //      {
 609                 zoom_panel->zoom_tumbler->handle_down_event();
 610 //      }
 611 //      else
 612 //      {
 613 //      }
 614 }
 615
 616
 617 void CWindowGUI::drag_motion()
 618 {
 619         if(get_hidden()) return;
 620
 621         if(mwindow->session->current_operation != DRAG_ASSET &&
 622                 mwindow->session->current_operation != DRAG_VTRANSITION &&
 623                 mwindow->session->current_operation != DRAG_VEFFECT) return;
 624         int need_highlight = cursor_above() && get_cursor_over_window();
 625         if( highlighted == need_highlight ) return;
 626         highlighted = need_highlight;
 627         canvas->draw_refresh();
 628 }
 629
 630 int CWindowGUI::drag_stop()
 631 {
 632         int result = 0;
 633         if(get_hidden()) return 0;
 634         if( !highlighted ) return 0;
 635         if( mwindow->session->current_operation != DRAG_ASSET &&
 636             mwindow->session->current_operation != DRAG_VTRANSITION &&
 637             mwindow->session->current_operation != DRAG_VEFFECT) return 0;
 638         highlighted = 0;
 639         canvas->draw_refresh();
 640         result = 1;
 641
 642         if(mwindow->session->current_operation == DRAG_ASSET)
 643         {
 644                 if(mwindow->session->drag_assets->total ||
 645                         mwindow->session->drag_clips->total)
 646                 {
 647                         mwindow->gui->lock_window("CWindowGUI::drag_stop 5");
 648                         mwindow->undo->update_undo_before(_("insert assets"), 0);
 649                         mwindow->gui->unlock_window();
 650                 }
 651
 652                 if(mwindow->session->drag_assets->total)
 653                 {
 654                         mwindow->gui->lock_window("CWindowGUI::drag_stop 1");
 655                         mwindow->clear(0);
 656                         mwindow->load_assets(mwindow->session->drag_assets,
 657                                 mwindow->edl->local_session->get_selectionstart(),
 658                                 LOADMODE_PASTE,
 659                                 mwindow->session->track_highlighted,
 660                                 0,
 661                                 mwindow->edl->session->labels_follow_edits,
 662                                 mwindow->edl->session->plugins_follow_edits,
 663                                 mwindow->edl->session->autos_follow_edits,
 664                                 0); // overwrite
 665                 }
 666
 667                 if(mwindow->session->drag_clips->total)
 668                 {
 669                         mwindow->gui->lock_window("CWindowGUI::drag_stop 2");
 670                         mwindow->clear(0);
 671                         mwindow->paste_edls(mwindow->session->drag_clips,
 672                                 LOADMODE_PASTE,
 673                                 mwindow->session->track_highlighted,
 674                                 mwindow->edl->local_session->get_selectionstart(),
 675                                 mwindow->edl->session->labels_follow_edits,
 676                                 mwindow->edl->session->plugins_follow_edits,
 677                                 mwindow->edl->session->autos_follow_edits,
 678                                 0); // overwrite
 679                 }
 680
 681                 if(mwindow->session->drag_assets->total ||
 682                         mwindow->session->drag_clips->total)
 683                 {
 684                         mwindow->save_backup();
 685                         mwindow->restart_brender();
 686                         mwindow->gui->update(1, 1, 1, 1, 0, 1, 0);
 687                         mwindow->undo->update_undo_after(_("insert assets"), LOAD_ALL);
 688                         mwindow->gui->unlock_window();
 689                         mwindow->sync_parameters(LOAD_ALL);
 690                 }
 691         }
 692
 693         if(mwindow->session->current_operation == DRAG_VEFFECT)
 694         {
 695 //printf("CWindowGUI::drag_stop 1\n");
 696                 Track *affected_track = cwindow->calculate_affected_track();
 697 //printf("CWindowGUI::drag_stop 2\n");
 698
 699                 mwindow->gui->lock_window("CWindowGUI::drag_stop 3");
 700                 mwindow->insert_effects_cwindow(affected_track);
 701                 mwindow->session->current_operation = NO_OPERATION;
 702                 mwindow->gui->unlock_window();
 703         }
 704
 705         if(mwindow->session->current_operation == DRAG_VTRANSITION)
 706         {
 707                 Track *affected_track = cwindow->calculate_affected_track();
 708                 mwindow->gui->lock_window("CWindowGUI::drag_stop 4");
 709                 mwindow->paste_transition_cwindow(affected_track);
 710                 mwindow->session->current_operation = NO_OPERATION;
 711                 mwindow->gui->unlock_window();
 712         }
 713
 714         return result;
 715 }
 716
 717 void CWindowGUI::update_meters()
 718 {
 719         if(mwindow->edl->session->cwindow_meter != meters->visible)
 720         {
 721                 meters->set_meters(meters->meter_count, mwindow->edl->session->cwindow_meter);
 722                 mwindow->theme->get_cwindow_sizes(this, mwindow->session->cwindow_controls);
 723                 resize_event(get_w(), get_h());
 724         }
 725 }
 726
 727 void CWindowGUI::stop_transport(const char *lock_msg)
 728 {
 729         if( lock_msg ) unlock_window();
 730         mwindow->stop_transport();
 731         if( lock_msg ) lock_window(lock_msg);
 732 }
 733
 734
 735 CWindowEditing::CWindowEditing(MWindow *mwindow, CWindow *cwindow)
 736  : EditPanel(mwindow, cwindow->gui, CWINDOW_ID,
 737                 mwindow->theme->cedit_x, mwindow->theme->cedit_y,
 738                 mwindow->edl->session->editing_mode,
 739                 0, // use_editing_mode
 740                 1, // use_keyframe
 741                 0, // use_splice
 742                 0, // use_overwrite
 743                 1, // use_lift
 744                 1, // use_extract
 745                 1, // use_copy
 746                 1, // use_paste
 747                 1, // use_undo
 748                 0, // use_fit
 749                 0, // locklabels
 750                 1, // use_labels
 751                 1, // use_toclip
 752                 1, // use_meters
 753                 1, // use_cut
 754                 0, // use_commerical
 755                 0, // use_goto
 756                 1) // use_clk2play
 757 {
 758         this->mwindow = mwindow;
 759         this->cwindow = cwindow;
 760 }
 761
 762 #define CWrapper(fn) void CWindowEditing::fn() { \
 763         mwindow->gui->lock_window("CWrapper::" #fn); \
 764         EditPanel::fn(); \
 765         mwindow->gui->unlock_window(); \
 766 }
 767
 768 CWrapper(copy_selection)
 769 CWrapper(splice_selection)
 770 CWrapper(overwrite_selection)
 771 CWrapper(set_inpoint)
 772 CWrapper(set_outpoint)
 773 CWrapper(unset_inoutpoint)
 774 CWrapper(toggle_label)
 775
 776 #define CWrapper_cut(fn) void CWindowEditing::fn(int cut) { \
 777         mwindow->gui->lock_window("CWrapper::" #fn); \
 778         EditPanel::fn(cut); \
 779         mwindow->gui->unlock_window(); \
 780 }
 781 CWrapper_cut(prev_label)
 782 CWrapper_cut(next_label)
 783 CWrapper_cut(prev_edit)
 784 CWrapper_cut(next_edit)
 785
 786 void CWindowEditing::to_clip()
 787 {
 788         mwindow->to_clip(mwindow->edl, _("composer window: "), 0);
 789 }
 790
 791
 792 CWindowMeters::CWindowMeters(MWindow *mwindow,
 793         CWindowGUI *gui,
 794         int x,
 795         int y,
 796         int h)
 797  : MeterPanel(mwindow,
 798                 gui,
 799                 x,
 800                 y,
 801                 -1,
 802                 h,
 803                 mwindow->edl->session->audio_channels,
 804                 mwindow->edl->session->cwindow_meter,
 805                 0,
 806                 0)
 807 {
 808         this->mwindow = mwindow;
 809         this->gui = gui;
 810 }
 811
 812 CWindowMeters::~CWindowMeters()
 813 {
 814 }
 815
 816 int CWindowMeters::change_status_event(int new_status)
 817 {
 818         mwindow->edl->session->cwindow_meter = new_status;
 819         gui->update_meters();
 820         return 1;
 821 }
 822
 823
 824
 825
 826 CWindowZoom::CWindowZoom(MWindow *mwindow, CWindowGUI *gui, int x, int y, int w)
 827  : ZoomPanel(mwindow, gui, (double)mwindow->edl->session->cwindow_zoom,
 828         x, y, w, my_zoom_table, total_zooms, ZOOM_PERCENTAGE)
 829 {
 830         this->mwindow = mwindow;
 831         this->gui = gui;
 832 }
 833
 834 CWindowZoom::~CWindowZoom()
 835 {
 836 }
 837
 838 void CWindowZoom::update(double value)
 839 {
 840         char string[BCSTRLEN];
 841         const char *cp = string;
 842         if( value ) {
 843                 this->value = value;
 844                 int frac = value >= 1.0f ? 1 :
 845                            value >= 0.1f ? 2 :
 846                            value >= .01f ? 3 : 4;
 847                 sprintf(string, "x %.*f", frac, value);
 848         }
 849         else
 850                 cp = gui->auto_zoom;
 851         ZoomPanel::update(cp);
 852 }
 853
 854 int CWindowZoom::handle_event()
 855 {
 856         double value = !strcasecmp(gui->auto_zoom, get_text()) ? 0 : get_value();
 857         gui->zoom_canvas(value, 0);
 858         return 1;
 859 }
 860
 861
 862
 863 #ifdef USE_SLIDER
 864 CWindowSlider::CWindowSlider(MWindow *mwindow, CWindow *cwindow, int x, int y, int pixels)
 865  : BC_PercentageSlider(x,
 866                         y,
 867                         0,
 868                         pixels,
 869                         pixels,
 870                         0,
 871                         1,
 872                         0)
 873 {
 874         this->mwindow = mwindow;
 875         this->cwindow = cwindow;
 876         set_precision(0.00001);
 877 }
 878
 879 CWindowSlider::~CWindowSlider()
 880 {
 881 }
 882
 883 int CWindowSlider::handle_event()
 884 {
 885         cwindow->update_position((double)get_value());
 886         return 1;
 887 }
 888
 889 void CWindowSlider::set_position()
 890 {
 891         double new_length = mwindow->edl->tracks->total_length();
 892 //      if(mwindow->edl->local_session->preview_end <= 0 ||
 893 //              mwindow->edl->local_session->preview_end > new_length)
 894 //              mwindow->edl->local_session->preview_end = new_length;
 895 //      if(mwindow->edl->local_session->preview_start >
 896 //              mwindow->edl->local_session->preview_end)
 897 //              mwindow->edl->local_session->preview_start = 0;
 898
 899
 900         update(mwindow->theme->cslider_w,
 901                 mwindow->edl->local_session->get_selectionstart(1),
 902                 0,
 903                 new_length);
 904 //              mwindow->edl->local_session->preview_start,
 905 //              mwindow->edl->local_session->preview_end);
 906 }
 907
 908
 909 int CWindowSlider::increase_value()
 910 {
 911         unlock_window();
 912         cwindow->gui->transport->handle_transport(SINGLE_FRAME_FWD);
 913         lock_window("CWindowSlider::increase_value");
 914         return 1;
 915 }
 916
 917 int CWindowSlider::decrease_value()
 918 {
 919         unlock_window();
 920         cwindow->gui->transport->handle_transport(SINGLE_FRAME_REWIND);
 921         lock_window("CWindowSlider::decrease_value");
 922         return 1;
 923 }
 924
 925
 926 // CWindowDestination::CWindowDestination(MWindow *mwindow, CWindowGUI *cwindow, int x, int y)
 927 //  : BC_PopupTextBox(cwindow,
 928 //      &cwindow->destinations,
 929 //      cwindow->destinations.values[cwindow->cwindow->destination]->get_text(),
 930 //      x,
 931 //      y,
 932 //      70,
 933 //      200)
 934 // {
 935 //      this->mwindow = mwindow;
 936 //      this->cwindow = cwindow;
 937 // }
 938 //
 939 // CWindowDestination::~CWindowDestination()
 940 // {
 941 // }
 942 //
 943 // int CWindowDestination::handle_event()
 944 // {
 945 //      return 1;
 946 // }
 947 #endif // USE_SLIDER
 948
 949
 950
 951
 952
 953
 954 CWindowTransport::CWindowTransport(MWindow *mwindow,
 955         CWindowGUI *gui,
 956         int x,
 957         int y)
 958  : PlayTransport(mwindow,
 959         gui,
 960         x,
 961         y)
 962 {
 963         this->gui = gui;
 964 }
 965
 966 EDL* CWindowTransport::get_edl()
 967 {
 968         return mwindow->edl;
 969 }
 970
 971 void CWindowTransport::goto_start()
 972 {
 973         gui->unlock_window();
 974         handle_transport(REWIND, 1);
 975
 976         mwindow->gui->lock_window("CWindowTransport::goto_start 1");
 977         mwindow->goto_start();
 978         mwindow->gui->unlock_window();
 979
 980         gui->lock_window("CWindowTransport::goto_start 2");
 981 }
 982
 983 void CWindowTransport::goto_end()
 984 {
 985         gui->unlock_window();
 986         handle_transport(GOTO_END, 1);
 987
 988         mwindow->gui->lock_window("CWindowTransport::goto_end 1");
 989         mwindow->goto_end();
 990         mwindow->gui->unlock_window();
 991
 992         gui->lock_window("CWindowTransport::goto_end 2");
 993 }
 994
 995
 996
 997 CWindowCanvas::CWindowCanvas(MWindow *mwindow, CWindowGUI *gui)
 998  : Canvas(mwindow,
 999         gui,
1000         mwindow->theme->ccanvas_x,
1001         mwindow->theme->ccanvas_y,
1002         mwindow->theme->ccanvas_w,
1003         mwindow->theme->ccanvas_h,
1004         0,
1005         0,
1006         mwindow->edl->session->cwindow_scrollbars)
1007 {
1008         this->mwindow = mwindow;
1009         this->gui = gui;
1010 }
1011
1012 void CWindowCanvas::status_event()
1013 {
1014         gui->draw_status(1);
1015 }
1016
1017 int CWindowCanvas::get_fullscreen()
1018 {
1019         return mwindow->session->cwindow_fullscreen;
1020 }
1021
1022 void CWindowCanvas::set_fullscreen(int value)
1023 {
1024         mwindow->session->cwindow_fullscreen = value;
1025 }
1026
1027
1028 void CWindowCanvas::update_zoom(int x, int y, float zoom)
1029 {
1030         use_scrollbars = mwindow->edl->session->cwindow_scrollbars;
1031
1032         mwindow->edl->session->cwindow_xscroll = x;
1033         mwindow->edl->session->cwindow_yscroll = y;
1034         mwindow->edl->session->cwindow_zoom = zoom;
1035 }
1036
1037 void CWindowCanvas::zoom_auto()
1038 {
1039         gui->zoom_canvas(0, 1);
1040 }
1041
1042 int CWindowCanvas::get_xscroll()
1043 {
1044         return mwindow->edl->session->cwindow_xscroll;
1045 }
1046
1047 int CWindowCanvas::get_yscroll()
1048 {
1049         return mwindow->edl->session->cwindow_yscroll;
1050 }
1051
1052
1053 float CWindowCanvas::get_zoom()
1054 {
1055         return mwindow->edl->session->cwindow_zoom;
1056 }
1057
1058 void CWindowCanvas::draw_refresh(int flush)
1059 {
1060         if(get_canvas() && !get_canvas()->get_video_on())
1061         {
1062
1063                 if(refresh_frame && refresh_frame->get_w()>0 && refresh_frame->get_h()>0)
1064                 {
1065                         float in_x1, in_y1, in_x2, in_y2;
1066                         float out_x1, out_y1, out_x2, out_y2;
1067                         get_transfers(mwindow->edl,
1068                                 in_x1,
1069                                 in_y1,
1070                                 in_x2,
1071                                 in_y2,
1072                                 out_x1,
1073                                 out_y1,
1074                                 out_x2,
1075                                 out_y2);
1076
1077                         if(!EQUIV(out_x1, 0) ||
1078                                 !EQUIV(out_y1, 0) ||
1079                                 !EQUIV(out_x2, get_canvas()->get_w()) ||
1080                                 !EQUIV(out_y2, get_canvas()->get_h()))
1081                         {
1082                                 get_canvas()->clear_box(0,
1083                                         0,
1084                                         get_canvas()->get_w(),
1085                                         get_canvas()->get_h());
1086                         }
1087
1088 //printf("CWindowCanvas::draw_refresh %.2f %.2f %.2f %.2f -> %.2f %.2f %.2f %.2f\n",
1089 //in_x1, in_y1, in_x2, in_y2, out_x1, out_y1, out_x2, out_y2);
1090
1091
1092                         if(out_x2 > out_x1 &&
1093                                 out_y2 > out_y1 &&
1094                                 in_x2 > in_x1 &&
1095                                 in_y2 > in_y1)
1096                         {
1097 // Can't use OpenGL here because it is called asynchronously of the
1098 // playback operation.
1099                                 get_canvas()->draw_vframe(refresh_frame,
1100                                                 (int)out_x1,
1101                                                 (int)out_y1,
1102                                                 (int)(out_x2 - out_x1),
1103                                                 (int)(out_y2 - out_y1),
1104                                                 (int)in_x1,
1105                                                 (int)in_y1,
1106                                                 (int)(in_x2 - in_x1),
1107                                                 (int)(in_y2 - in_y1),
1108                                                 0);
1109                         }
1110                 }
1111                 else
1112                 {
1113                         get_canvas()->clear_box(0,
1114                                 0,
1115                                 get_canvas()->get_w(),
1116                                 get_canvas()->get_h());
1117                 }
1118
1119                 draw_overlays();
1120                 get_canvas()->flash(flush);
1121         }
1122 //printf("CWindowCanvas::draw_refresh 10\n");
1123 }
1124
1125 #define CROPHANDLE_W 10
1126 #define CROPHANDLE_H 10
1127
1128 void CWindowCanvas::draw_crophandle(int x, int y)
1129 {
1130         get_canvas()->draw_box(x, y, CROPHANDLE_W, CROPHANDLE_H);
1131 }
1132
1133
1134
1135
1136
1137
1138 #define CONTROL_W 10
1139 #define CONTROL_H 10
1140 #define FIRST_CONTROL_W 20
1141 #define FIRST_CONTROL_H 20
1142 #undef BC_INFINITY
1143 #define BC_INFINITY 65536
1144
1145 #define RULERHANDLE_W 16
1146 #define RULERHANDLE_H 16
1147
1148
1149
1150 int CWindowCanvas::do_ruler(int draw,
1151         int motion,
1152         int button_press,
1153         int button_release)
1154 {
1155         int result = 0;
1156         float x1 = mwindow->edl->session->ruler_x1;
1157         float y1 = mwindow->edl->session->ruler_y1;
1158         float x2 = mwindow->edl->session->ruler_x2;
1159         float y2 = mwindow->edl->session->ruler_y2;
1160         float canvas_x1 = x1;
1161         float canvas_y1 = y1;
1162         float canvas_x2 = x2;
1163         float canvas_y2 = y2;
1164         float output_x = get_cursor_x();
1165         float output_y = get_cursor_y();
1166         float canvas_cursor_x = output_x;
1167         float canvas_cursor_y = output_y;
1168
1169         canvas_to_output(mwindow->edl, 0, output_x, output_y);
1170         output_to_canvas(mwindow->edl, 0, canvas_x1, canvas_y1);
1171         output_to_canvas(mwindow->edl, 0, canvas_x2, canvas_y2);
1172         mwindow->session->cwindow_output_x = roundf(output_x);
1173         mwindow->session->cwindow_output_y = roundf(output_y);
1174
1175         if(button_press && get_buttonpress() == 1)
1176         {
1177                 gui->ruler_handle = -1;
1178                 gui->ruler_translate = 0;
1179                 if(gui->alt_down())
1180                 {
1181                         gui->ruler_translate = 1;
1182                         gui->ruler_origin_x = x1;
1183                         gui->ruler_origin_y = y1;
1184                 }
1185                 else
1186                 if(canvas_cursor_x >= canvas_x1 - RULERHANDLE_W / 2 &&
1187                         canvas_cursor_x < canvas_x1 + RULERHANDLE_W / 2 &&
1188                         canvas_cursor_y >= canvas_y1 - RULERHANDLE_W &&
1189                         canvas_cursor_y < canvas_y1 + RULERHANDLE_H / 2)
1190                 {
1191                         gui->ruler_handle = 0;
1192                         gui->ruler_origin_x = x1;
1193                         gui->ruler_origin_y = y1;
1194                 }
1195                 else
1196                 if(canvas_cursor_x >= canvas_x2 - RULERHANDLE_W / 2 &&
1197                         canvas_cursor_x < canvas_x2 + RULERHANDLE_W / 2 &&
1198                         canvas_cursor_y >= canvas_y2 - RULERHANDLE_W &&
1199                         canvas_cursor_y < canvas_y2 + RULERHANDLE_H / 2)
1200                 {
1201                         gui->ruler_handle = 1;
1202                         gui->ruler_origin_x = x2;
1203                         gui->ruler_origin_y = y2;
1204                 }
1205
1206
1207 // Start new selection
1208                 if(!gui->ruler_translate &&
1209                         (gui->ruler_handle < 0 ||
1210                         (EQUIV(x2, x1) &&
1211                         EQUIV(y2, y1))))
1212                 {
1213 // Hide previous
1214                         do_ruler(1, 0, 0, 0);
1215                         get_canvas()->flash();
1216                         gui->ruler_handle = 1;
1217                         mwindow->edl->session->ruler_x1 = output_x;
1218                         mwindow->edl->session->ruler_y1 = output_y;
1219                         mwindow->edl->session->ruler_x2 = output_x;
1220                         mwindow->edl->session->ruler_y2 = output_y;
1221                         gui->ruler_origin_x = mwindow->edl->session->ruler_x2;
1222                         gui->ruler_origin_y = mwindow->edl->session->ruler_y2;
1223                 }
1224
1225                 gui->x_origin = output_x;
1226                 gui->y_origin = output_y;
1227                 gui->current_operation = CWINDOW_RULER;
1228                 gui->tool_panel->raise_window();
1229                 result = 1;
1230         }
1231
1232         if(motion)
1233         {
1234                 if(gui->current_operation == CWINDOW_RULER)
1235                 {
1236                         if(gui->ruler_translate)
1237                         {
1238 // Hide ruler
1239                                 do_ruler(1, 0, 0, 0);
1240                                 float x_difference = mwindow->edl->session->ruler_x1;
1241                                 float y_difference = mwindow->edl->session->ruler_y1;
1242                                 mwindow->edl->session->ruler_x1 = output_x - gui->x_origin + gui->ruler_origin_x;
1243                                 mwindow->edl->session->ruler_y1 = output_y - gui->y_origin + gui->ruler_origin_y;
1244                                 x_difference -= mwindow->edl->session->ruler_x1;
1245                                 y_difference -= mwindow->edl->session->ruler_y1;
1246                                 mwindow->edl->session->ruler_x2 -= x_difference;
1247                                 mwindow->edl->session->ruler_y2 -= y_difference;
1248 // Show ruler
1249                                 do_ruler(1, 0, 0, 0);
1250                                 get_canvas()->flash();
1251                                 gui->update_tool();
1252                         }
1253                         else
1254                         switch(gui->ruler_handle)
1255                         {
1256                                 case 0:
1257                                         do_ruler(1, 0, 0, 0);
1258                                         mwindow->edl->session->ruler_x1 = output_x - gui->x_origin + gui->ruler_origin_x;
1259                                         mwindow->edl->session->ruler_y1 = output_y - gui->y_origin + gui->ruler_origin_y;
1260                                         if(gui->alt_down() || gui->ctrl_down())
1261                                         {
1262                                                 double angle_value = fabs(atan((mwindow->edl->session->ruler_y2 - mwindow->edl->session->ruler_y1) /
1263                                                         (mwindow->edl->session->ruler_x2 - mwindow->edl->session->ruler_x1)) *
1264                                                         360 /
1265                                                         2 /
1266                                                         M_PI);
1267                                                 double distance_value =
1268                                                         sqrt(SQR(mwindow->edl->session->ruler_x2 - mwindow->edl->session->ruler_x1) +
1269                                                         SQR(mwindow->edl->session->ruler_y2 - mwindow->edl->session->ruler_y1));
1270                                                 if(angle_value < 22)
1271                                                         mwindow->edl->session->ruler_y1 = mwindow->edl->session->ruler_y2;
1272                                                 else
1273                                                 if(angle_value > 67)
1274                                                         mwindow->edl->session->ruler_x1 = mwindow->edl->session->ruler_x2;
1275                                                 else
1276                                                 if(mwindow->edl->session->ruler_x1 < mwindow->edl->session->ruler_x2 &&
1277                                                         mwindow->edl->session->ruler_y1 < mwindow->edl->session->ruler_y2)
1278                                                 {
1279                                                         mwindow->edl->session->ruler_x1 = mwindow->edl->session->ruler_x2 - distance_value / 1.414214;
1280                                                         mwindow->edl->session->ruler_y1 = mwindow->edl->session->ruler_y2 - distance_value / 1.414214;
1281                                                 }
1282                                                 else
1283                                                 if(mwindow->edl->session->ruler_x1 < mwindow->edl->session->ruler_x2 && mwindow->edl->session->ruler_y1 > mwindow->edl->session->ruler_y2)
1284                                                 {
1285                                                         mwindow->edl->session->ruler_x1 = mwindow->edl->session->ruler_x2 - distance_value / 1.414214;
1286                                                         mwindow->edl->session->ruler_y1 = mwindow->edl->session->ruler_y2 + distance_value / 1.414214;
1287                                                 }
1288                                                 else
1289                                                 if(mwindow->edl->session->ruler_x1 > mwindow->edl->session->ruler_x2 &&
1290                                                         mwindow->edl->session->ruler_y1 < mwindow->edl->session->ruler_y2)
1291                                                 {
1292                                                         mwindow->edl->session->ruler_x1 = mwindow->edl->session->ruler_x2 + distance_value / 1.414214;
1293                                                         mwindow->edl->session->ruler_y1 = mwindow->edl->session->ruler_y2 - distance_value / 1.414214;
1294                                                 }
1295                                                 else
1296                                                 {
1297                                                         mwindow->edl->session->ruler_x1 = mwindow->edl->session->ruler_x2 + distance_value / 1.414214;
1298                                                         mwindow->edl->session->ruler_y1 = mwindow->edl->session->ruler_y2 + distance_value / 1.414214;
1299                                                 }
1300                                         }
1301                                         do_ruler(1, 0, 0, 0);
1302                                         get_canvas()->flash();
1303                                         gui->update_tool();
1304                                         break;
1305
1306                                 case 1:
1307                                         do_ruler(1, 0, 0, 0);
1308                                         mwindow->edl->session->ruler_x2 = output_x - gui->x_origin + gui->ruler_origin_x;
1309                                         mwindow->edl->session->ruler_y2 = output_y - gui->y_origin + gui->ruler_origin_y;
1310                                         if(gui->alt_down() || gui->ctrl_down())
1311                                         {
1312                                                 double angle_value = fabs(atan((mwindow->edl->session->ruler_y2 - mwindow->edl->session->ruler_y1) /
1313                                                         (mwindow->edl->session->ruler_x2 - mwindow->edl->session->ruler_x1)) *
1314                                                         360 /
1315                                                         2 /
1316                                                         M_PI);
1317                                                 double distance_value =
1318                                                         sqrt(SQR(mwindow->edl->session->ruler_x2 - mwindow->edl->session->ruler_x1) +
1319                                                         SQR(mwindow->edl->session->ruler_y2 - mwindow->edl->session->ruler_y1));
1320                                                 if(angle_value < 22)
1321                                                         mwindow->edl->session->ruler_y2 = mwindow->edl->session->ruler_y1;
1322                                                 else
1323                                                 if(angle_value > 67)
1324                                                         mwindow->edl->session->ruler_x2 = mwindow->edl->session->ruler_x1;
1325                                                 else
1326                                                 if(mwindow->edl->session->ruler_x2 < mwindow->edl->session->ruler_x1 &&
1327                                                         mwindow->edl->session->ruler_y2 < mwindow->edl->session->ruler_y1)
1328                                                 {
1329                                                         mwindow->edl->session->ruler_x2 = mwindow->edl->session->ruler_x1 - distance_value / 1.414214;
1330                                                         mwindow->edl->session->ruler_y2 = mwindow->edl->session->ruler_y1 - distance_value / 1.414214;
1331                                                 }
1332                                                 else
1333                                                 if(mwindow->edl->session->ruler_x2 < mwindow->edl->session->ruler_x1 &&
1334                                                         mwindow->edl->session->ruler_y2 > mwindow->edl->session->ruler_y1)
1335                                                 {
1336                                                         mwindow->edl->session->ruler_x2 = mwindow->edl->session->ruler_x1 - distance_value / 1.414214;
1337                                                         mwindow->edl->session->ruler_y2 = mwindow->edl->session->ruler_y1 + distance_value / 1.414214;
1338                                                 }
1339                                                 else
1340                                                 if(mwindow->edl->session->ruler_x2 > mwindow->edl->session->ruler_x1 && mwindow->edl->session->ruler_y2 < mwindow->edl->session->ruler_y1)
1341                                                 {
1342                                                         mwindow->edl->session->ruler_x2 = mwindow->edl->session->ruler_x1 + distance_value / 1.414214;
1343                                                         mwindow->edl->session->ruler_y2 = mwindow->edl->session->ruler_y1 - distance_value / 1.414214;
1344                                                 }
1345                                                 else
1346                                                 {
1347                                                         mwindow->edl->session->ruler_x2 = mwindow->edl->session->ruler_x1 + distance_value / 1.414214;
1348                                                         mwindow->edl->session->ruler_y2 = mwindow->edl->session->ruler_y1 + distance_value / 1.414214;
1349                                                 }
1350                                         }
1351                                         do_ruler(1, 0, 0, 0);
1352                                         get_canvas()->flash();
1353                                         gui->update_tool();
1354                                         break;
1355                         }
1356 //printf("CWindowCanvas::do_ruler 2 %f %f %f %f\n", gui->ruler_x1, gui->ruler_y1, gui->ruler_x2, gui->ruler_y2);
1357                 }
1358                 else
1359                 {
1360 // printf("CWindowCanvas::do_ruler 2 %f %f %f %f\n",
1361 // canvas_cursor_x,
1362 // canvas_cursor_y,
1363 // canvas_x1,
1364 // canvas_y1);
1365                         if(canvas_cursor_x >= canvas_x1 - RULERHANDLE_W / 2 &&
1366                                 canvas_cursor_x < canvas_x1 + RULERHANDLE_W / 2 &&
1367                                 canvas_cursor_y >= canvas_y1 - RULERHANDLE_W &&
1368                                 canvas_cursor_y < canvas_y1 + RULERHANDLE_H / 2)
1369                         {
1370                                 set_cursor(UPRIGHT_ARROW_CURSOR);
1371                         }
1372                         else
1373                         if(canvas_cursor_x >= canvas_x2 - RULERHANDLE_W / 2 &&
1374                                 canvas_cursor_x < canvas_x2 + RULERHANDLE_W / 2 &&
1375                                 canvas_cursor_y >= canvas_y2 - RULERHANDLE_W &&
1376                                 canvas_cursor_y < canvas_y2 + RULERHANDLE_H / 2)
1377                         {
1378                                 set_cursor(UPRIGHT_ARROW_CURSOR);
1379                         }
1380                         else
1381                                 set_cursor(CROSS_CURSOR);
1382
1383 // Update current position
1384                         gui->update_tool();
1385                 }
1386         }
1387
1388 // Assume no ruler measurement if 0 length
1389         if(draw && (!EQUIV(x2, x1) || !EQUIV(y2, y1)))
1390         {
1391                 get_canvas()->set_inverse();
1392                 get_canvas()->set_color(WHITE);
1393                 get_canvas()->draw_line((int)canvas_x1,
1394                         (int)canvas_y1,
1395                         (int)canvas_x2,
1396                         (int)canvas_y2);
1397                 get_canvas()->draw_line(roundf(canvas_x1) - RULERHANDLE_W / 2,
1398                         roundf(canvas_y1),
1399                         roundf(canvas_x1) + RULERHANDLE_W / 2,
1400                         roundf(canvas_y1));
1401                 get_canvas()->draw_line(roundf(canvas_x1),
1402                         roundf(canvas_y1) - RULERHANDLE_H / 2,
1403                         roundf(canvas_x1),
1404                         roundf(canvas_y1) + RULERHANDLE_H / 2);
1405                 get_canvas()->draw_line(roundf(canvas_x2) - RULERHANDLE_W / 2,
1406                         roundf(canvas_y2),
1407                         roundf(canvas_x2) + RULERHANDLE_W / 2,
1408                         roundf(canvas_y2));
1409                 get_canvas()->draw_line(roundf(canvas_x2),
1410                         roundf(canvas_y2) - RULERHANDLE_H / 2,
1411                         roundf(canvas_x2),
1412                         roundf(canvas_y2) + RULERHANDLE_H / 2);
1413                 get_canvas()->set_opaque();
1414         }
1415
1416         return result;
1417 }
1418
1419
1420 static inline double line_dist(float cx,float cy, float tx,float ty)
1421 {
1422         double dx = tx-cx, dy = ty-cy;
1423         return sqrt(dx*dx + dy*dy);
1424 }
1425
1426 static inline bool test_bbox(int cx, int cy, int tx, int ty)
1427 {
1428 //      printf("test_bbox %d,%d - %d,%d = %f\n",cx,cy,tx,ty,line_dist(cx,cy,tx,ty));
1429         return (llabs(cx-tx) < CONTROL_W/2 && llabs(cy-ty) < CONTROL_H/2);
1430 }
1431
1432
1433 int CWindowCanvas::do_mask(int &redraw, int &rerender,
1434                 int button_press, int cursor_motion, int draw)
1435 {
1436 // Retrieve points from top recordable track
1437 //printf("CWindowCanvas::do_mask 1\n");
1438         Track *track = gui->cwindow->calculate_affected_track();
1439 //printf("CWindowCanvas::do_mask 2\n");
1440
1441         if(!track) return 0;
1442 //printf("CWindowCanvas::do_mask 3\n");
1443
1444         MaskAutos *mask_autos = (MaskAutos*)track->automation->autos[AUTOMATION_MASK];
1445         int64_t position = track->to_units(
1446                 mwindow->edl->local_session->get_selectionstart(1),
1447                 0);
1448         ArrayList<MaskPoint*> points;
1449
1450 // Determine the points based on whether
1451 // new keyframes will be generated or drawing is performed.
1452 // If keyframe generation occurs, use the interpolated mask.
1453 // If no keyframe generation occurs, use the previous mask.
1454         int use_interpolated = 0;
1455         if(button_press || cursor_motion) {
1456 #ifdef USE_KEYFRAME_SPANNING
1457                 double selection_start = mwindow->edl->local_session->get_selectionstart(0);
1458                 double selection_end = mwindow->edl->local_session->get_selectionend(0);
1459
1460                 Auto *first = 0;
1461                 mask_autos->get_prev_auto(track->to_units(selection_start, 0),
1462                         PLAY_FORWARD, first, 1);
1463                 Auto *last = 0;
1464                 mask_autos->get_prev_auto(track->to_units(selection_end, 0),
1465                         PLAY_FORWARD, last, 1);
1466
1467                 if(last == first && (!mwindow->edl->session->auto_keyframes))
1468                         use_interpolated = 0;
1469                 else
1470 // If keyframe spanning occurs, use the interpolated points.
1471 // If new keyframe is generated, use the interpolated points.
1472                         use_interpolated = 1;
1473
1474 #else
1475                 if(mwindow->edl->session->auto_keyframes)
1476                         use_interpolated = 1;
1477 #endif
1478         }
1479         else
1480                 use_interpolated = 1;
1481
1482         if(use_interpolated) {
1483 // Interpolate the points to get exactly what is being rendered at this position.
1484                 mask_autos->get_points(&points,
1485                         mwindow->edl->session->cwindow_mask,
1486                         position,
1487                         PLAY_FORWARD);
1488         }
1489         else {
1490 // Use the prev mask
1491                 Auto *prev = 0;
1492                 mask_autos->get_prev_auto(position,
1493                         PLAY_FORWARD,
1494                         prev,
1495                         1);
1496                 ((MaskAuto*)prev)->get_points(&points,
1497                         mwindow->edl->session->cwindow_mask);
1498         }
1499
1500 // Projector zooms relative to the center of the track output.
1501         float half_track_w = (float)track->track_w / 2;
1502         float half_track_h = (float)track->track_h / 2;
1503 // Translate mask to projection
1504         float projector_x, projector_y, projector_z;
1505         track->automation->get_projector(
1506                 &projector_x, &projector_y, &projector_z,
1507                 position, PLAY_FORWARD);
1508
1509
1510 // Get position of cursor relative to mask
1511         float cursor_x = get_cursor_x(), cursor_y = get_cursor_y();
1512         float mask_cursor_x = cursor_x, mask_cursor_y = cursor_y;
1513         canvas_to_output(mwindow->edl, 0, mask_cursor_x, mask_cursor_y);
1514
1515         projector_x += mwindow->edl->session->output_w / 2;
1516         projector_y += mwindow->edl->session->output_h / 2;
1517         mask_cursor_x = (mask_cursor_x - projector_x) / projector_z + half_track_w;
1518         mask_cursor_y = (mask_cursor_y - projector_y) / projector_z + half_track_h;
1519
1520 // Fix cursor origin
1521         if(button_press) {
1522                 gui->x_origin = mask_cursor_x;
1523                 gui->y_origin = mask_cursor_y;
1524         }
1525
1526         int result = 0;
1527 // Points of closest line
1528         int shortest_point1 = -1;
1529         int shortest_point2 = -1;
1530 // Closest point
1531         int shortest_point = -1;
1532 // Distance to closest line
1533         float shortest_line_distance = BC_INFINITY;
1534 // Distance to closest point
1535         float shortest_point_distance = BC_INFINITY;
1536         int selected_point = -1;
1537         int selected_control_point = -1;
1538         float selected_control_point_distance = BC_INFINITY;
1539         ArrayList<int> x_points;
1540         ArrayList<int> y_points;
1541
1542         if(!cursor_motion) {
1543                 if(draw) {
1544                         get_canvas()->set_color(WHITE);
1545                         get_canvas()->set_inverse();
1546                 }
1547 //printf("CWindowCanvas::do_mask 1 %d\n", points.size());
1548
1549 // Never draw closed polygon and a closed
1550 // polygon is harder to add points to.
1551                 for(int i = 0; i < points.size() && !result; i++) {
1552                         MaskPoint *point1 = points.get(i);
1553                         MaskPoint *point2 = (i >= points.size() - 1) ?
1554                                 points.get(0) : points.get(i + 1);
1555                         if(button_press) {
1556                                 float point_distance1 = line_dist(point1->x,point1->y, mask_cursor_x,mask_cursor_y);
1557                                 if(point_distance1 < shortest_point_distance || shortest_point < 0) {
1558                                         shortest_point_distance = point_distance1;
1559                                         shortest_point = i;
1560                                 }
1561
1562                                 float point_distance2 = line_dist(point2->x,point2->y, mask_cursor_x,mask_cursor_y);
1563                                 if(point_distance2 < shortest_point_distance || shortest_point < 0) {
1564                                         shortest_point_distance = point_distance2;
1565                                         shortest_point = (i >= points.size() - 1) ? 0 : (i + 1);
1566                                 }
1567                         }
1568
1569                         int segments = 1 + line_dist(point1->x,point1->y, point2->x,point2->y);
1570
1571 //printf("CWindowCanvas::do_mask 1 %f, %f -> %f, %f projectorz=%f\n",
1572 //point1->x, point1->y, point2->x, point2->y, projector_z);
1573                         for(int j = 0; j <= segments && !result; j++) {
1574 //printf("CWindowCanvas::do_mask 1 %f, %f -> %f, %f\n", x0, y0, x3, y3);
1575                                 float x0 = point1->x, y0 = point1->y;
1576                                 float x1 = point1->x + point1->control_x2;
1577                                 float y1 = point1->y + point1->control_y2;
1578                                 float x2 = point2->x + point2->control_x1;
1579                                 float y2 = point2->y + point2->control_y1;
1580                                 float x3 = point2->x, y3 = point2->y;
1581                                 float canvas_x0 = (x0 - half_track_w) * projector_z + projector_x;
1582                                 float canvas_y0 = (y0 - half_track_h) * projector_z + projector_y;
1583                                 float canvas_x1 = (x1 - half_track_w) * projector_z + projector_x;
1584                                 float canvas_y1 = (y1 - half_track_h) * projector_z + projector_y;
1585                                 float canvas_x2 = (x2 - half_track_w) * projector_z + projector_x;
1586                                 float canvas_y2 = (y2 - half_track_h) * projector_z + projector_y;
1587                                 float canvas_x3 = (x3 - half_track_w) * projector_z + projector_x;
1588                                 float canvas_y3 = (y3 - half_track_h) * projector_z + projector_y;
1589
1590                                 float t = (float)j / segments;
1591                                 float tpow2 = t * t;
1592                                 float tpow3 = t * t * t;
1593                                 float invt = 1 - t;
1594                                 float invtpow2 = invt * invt;
1595                                 float invtpow3 = invt * invt * invt;
1596
1597                                 float x = (           invtpow3 * x0
1598                                         + 3 * t     * invtpow2 * x1
1599                                         + 3 * tpow2 * invt     * x2
1600                                         +     tpow3            * x3);
1601                                 float y = (           invtpow3 * y0
1602                                         + 3 * t     * invtpow2 * y1
1603                                         + 3 * tpow2 * invt     * y2
1604                                         +     tpow3            * y3);
1605                                 float canvas_x = (x - half_track_w) * projector_z + projector_x;
1606                                 float canvas_y = (y - half_track_h) * projector_z + projector_y;
1607 // Test new point addition
1608                                 if(button_press) {
1609                                         float line_distance = line_dist(x,y, mask_cursor_x,mask_cursor_y);
1610
1611 //printf("CWindowCanvas::do_mask 1 x=%f cursor_x=%f y=%f cursor_y=%f %f %f %d, %d\n",
1612 //  x, cursor_x, y, cursor_y, line_distance, shortest_line_distance, shortest_point1, shortest_point2);
1613                                         if(line_distance < shortest_line_distance ||
1614                                                 shortest_point1 < 0) {
1615                                                 shortest_line_distance = line_distance;
1616                                                 shortest_point1 = i;
1617                                                 shortest_point2 = (i >= points.size() - 1) ? 0 : (i + 1);
1618 //printf("CWindowCanvas::do_mask 2 %f %f %d, %d\n",
1619 //  line_distance, shortest_line_distance, shortest_point1, shortest_point2);
1620                                         }
1621
1622 // Test existing point selection
1623 // Test first point
1624                                         if(gui->ctrl_down()) {
1625                                                 float distance = line_dist(x1,y1, mask_cursor_x,mask_cursor_y);
1626
1627                                                 if(distance < selected_control_point_distance) {
1628                                                         selected_point = i;
1629                                                         selected_control_point = 1;
1630                                                         selected_control_point_distance = distance;
1631                                                 }
1632                                         }
1633                                         else {
1634                                                 if(!gui->shift_down()) {
1635                                                         output_to_canvas(mwindow->edl, 0, canvas_x0, canvas_y0);
1636                                                         if(test_bbox(cursor_x, cursor_y, canvas_x0, canvas_y0)) {
1637                                                                 selected_point = i;
1638                                                         }
1639                                                 }
1640                                                 else {
1641                                                         selected_point = shortest_point;
1642                                                 }
1643                                         }
1644 // Test second point
1645                                         if(gui->ctrl_down()) {
1646                                                 float distance = line_dist(x2,y2, mask_cursor_x,mask_cursor_y);
1647
1648 //printf("CWindowCanvas::do_mask %d %f %f\n", i, distance, selected_control_point_distance);
1649                                                 if(distance < selected_control_point_distance) {
1650                                                         selected_point = (i < points.size() - 1 ? i + 1 : 0);
1651                                                         selected_control_point = 0;
1652                                                         selected_control_point_distance = distance;
1653                                                 }
1654                                         }
1655                                         else if(i < points.size() - 1) {
1656                                                 if(!gui->shift_down()) {
1657                                                         output_to_canvas(mwindow->edl, 0, canvas_x3, canvas_y3);
1658                                                         if(test_bbox(cursor_x, cursor_y, canvas_x3, canvas_y3)) {
1659                                                                 selected_point = (i < points.size() - 1 ? i + 1 : 0);
1660                                                         }
1661                                                 }
1662                                                 else {
1663                                                         selected_point = shortest_point;
1664                                                 }
1665                                         }
1666                                 }
1667
1668                                 output_to_canvas(mwindow->edl, 0, canvas_x, canvas_y);
1669
1670                                 if(j > 0) {
1671
1672                                         if(draw) { // Draw joining line
1673                                                 x_points.append((int)canvas_x);
1674                                                 y_points.append((int)canvas_y);
1675                                         }
1676
1677                                         if(j == segments) {
1678                                                 if(draw) { // Draw second anchor
1679                                                         if(i < points.size() - 1) {
1680                                                                 if(i == gui->affected_point - 1)
1681                                                                         get_canvas()->draw_disc(
1682                                                                                 (int)canvas_x - CONTROL_W / 2,
1683                                                                                 (int)canvas_y - CONTROL_W / 2,
1684                                                                                 CONTROL_W, CONTROL_H);
1685                                                                 else
1686                                                                         get_canvas()->draw_circle(
1687                                                                                 (int)canvas_x - CONTROL_W / 2,
1688                                                                                 (int)canvas_y - CONTROL_W / 2,
1689                                                                                 CONTROL_W, CONTROL_H);
1690 // char string[BCTEXTLEN];
1691 // sprintf(string, "%d", (i < points.size() - 1 ? i + 1 : 0));
1692 // canvas->draw_text((int)canvas_x + CONTROL_W, (int)canvas_y + CONTROL_W, string);
1693                                                         }
1694 // Draw second control point.
1695                                                         output_to_canvas(mwindow->edl, 0, canvas_x2, canvas_y2);
1696                                                         get_canvas()->draw_line(
1697                                                                 (int)canvas_x, (int)canvas_y,
1698                                                                 (int)canvas_x2, (int)canvas_y2);
1699                                                         get_canvas()->draw_rectangle(
1700                                                                 (int)canvas_x2 - CONTROL_W / 2,
1701                                                                 (int)canvas_y2 - CONTROL_H / 2,
1702                                                                 CONTROL_W, CONTROL_H);
1703                                                 }
1704                                         }
1705                                 }
1706                                 else {
1707 // Draw first anchor
1708                                         if(i == 0 && draw) {
1709                                                 char mask_label[BCSTRLEN];
1710                                                 sprintf(mask_label, "%d",
1711                                                         mwindow->edl->session->cwindow_mask);
1712                                                 get_canvas()->draw_text(
1713                                                         (int)canvas_x - FIRST_CONTROL_W,
1714                                                         (int)canvas_y - FIRST_CONTROL_H,
1715                                                         mask_label);
1716
1717                                                 get_canvas()->draw_disc(
1718                                                         (int)canvas_x - FIRST_CONTROL_W / 2,
1719                                                         (int)canvas_y - FIRST_CONTROL_H / 2,
1720                                                         FIRST_CONTROL_W, FIRST_CONTROL_H);
1721                                         }
1722
1723 // Draw first control point.
1724                                         if(draw) {
1725                                                 output_to_canvas(mwindow->edl, 0, canvas_x1, canvas_y1);
1726                                                 get_canvas()->draw_line(
1727                                                         (int)canvas_x, (int)canvas_y,
1728                                                         (int)canvas_x1, (int)canvas_y1);
1729                                                 get_canvas()->draw_rectangle(
1730                                                         (int)canvas_x1 - CONTROL_W / 2,
1731                                                         (int)canvas_y1 - CONTROL_H / 2,
1732                                                         CONTROL_W, CONTROL_H);
1733
1734                                                 x_points.append((int)canvas_x);
1735                                                 y_points.append((int)canvas_y);
1736                                         }
1737                                 }
1738 //printf("CWindowCanvas::do_mask 1\n");
1739
1740                         }
1741                 }
1742 //printf("CWindowCanvas::do_mask 1\n");
1743
1744                 if(draw) {
1745                         get_canvas()->draw_polygon(&x_points, &y_points);
1746                         get_canvas()->set_opaque();
1747                 }
1748 //printf("CWindowCanvas::do_mask 1\n");
1749         }
1750
1751         if(button_press && !result) {
1752                 gui->affected_track = gui->cwindow->calculate_affected_track();
1753
1754 // Get keyframe outside the EDL to edit.  This must be rendered
1755 // instead of the EDL keyframes when it exists.  Then it must be
1756 // applied to the EDL keyframes on buttonrelease.
1757                 if(gui->affected_track) {
1758 #ifdef USE_KEYFRAME_SPANNING
1759 // Make copy of current parameters in local keyframe
1760                         gui->mask_keyframe =
1761                                 (MaskAuto*)gui->cwindow->calculate_affected_auto(
1762                                         mask_autos,
1763                                         0);
1764                         gui->orig_mask_keyframe->copy_data(gui->mask_keyframe);
1765 #else
1766
1767                         gui->mask_keyframe =
1768                                 (MaskAuto*)gui->cwindow->calculate_affected_auto(
1769                                         mask_autos,
1770                                         1);
1771 #endif
1772                 }
1773                 SubMask *mask = gui->mask_keyframe->get_submask(mwindow->edl->session->cwindow_mask);
1774
1775
1776 // Translate entire keyframe
1777                 if(gui->alt_down() && mask->points.size()) {
1778                         mwindow->undo->update_undo_before(_("mask translate"), 0);
1779                         gui->current_operation = CWINDOW_MASK_TRANSLATE;
1780                         gui->affected_point = 0;
1781                 }
1782                 else
1783 // Existing point or control point was selected
1784                 if(selected_point >= 0) {
1785                         mwindow->undo->update_undo_before(_("mask adjust"), 0);
1786                         gui->affected_point = selected_point;
1787
1788                         if(selected_control_point == 0)
1789                                 gui->current_operation = CWINDOW_MASK_CONTROL_IN;
1790                         else
1791                         if(selected_control_point == 1)
1792                                 gui->current_operation = CWINDOW_MASK_CONTROL_OUT;
1793                         else
1794                                 gui->current_operation = mwindow->edl->session->cwindow_operation;
1795                 }
1796                 else // No existing point or control point was selected so create a new one
1797                 if(!gui->ctrl_down() && !gui->alt_down()) {
1798                         mwindow->undo->update_undo_before(_("mask point"), 0);
1799 // Create the template
1800                         MaskPoint *point = new MaskPoint;
1801                         point->x = mask_cursor_x;
1802                         point->y = mask_cursor_y;
1803                         point->control_x1 = 0;
1804                         point->control_y1 = 0;
1805                         point->control_x2 = 0;
1806                         point->control_y2 = 0;
1807
1808
1809                         if(shortest_point2 < shortest_point1) {
1810                                 shortest_point2 ^= shortest_point1;
1811                                 shortest_point1 ^= shortest_point2;
1812                                 shortest_point2 ^= shortest_point1;
1813                         }
1814
1815
1816
1817 // printf("CWindowGUI::do_mask 40\n");
1818 // mwindow->edl->dump();
1819 // printf("CWindowGUI::do_mask 50\n");
1820
1821
1822
1823 //printf("CWindowCanvas::do_mask 1 %f %f %d %d\n",
1824 //      shortest_line_distance, shortest_point_distance, shortest_point1, shortest_point2);
1825 //printf("CWindowCanvas::do_mask %d %d\n", shortest_point1, shortest_point2);
1826
1827 // Append to end of list
1828                         if( shortest_point1 == shortest_point2 ||
1829                             labs(shortest_point1 - shortest_point2) > 1) {
1830 #ifdef USE_KEYFRAME_SPANNING
1831
1832                                 MaskPoint *new_point = new MaskPoint;
1833                                 points.append(new_point);
1834                                 *new_point = *point;
1835                                 gui->affected_point = points.size() - 1;
1836
1837 #else
1838
1839 // Need to apply the new point to every keyframe
1840                                 for(MaskAuto *current = (MaskAuto*)mask_autos->default_auto; current; ) {
1841                                         SubMask *submask = current->get_submask(mwindow->edl->session->cwindow_mask);
1842                                         MaskPoint *new_point = new MaskPoint;
1843                                         submask->points.append(new_point);
1844                                         *new_point = *point;
1845                                         if(current == (MaskAuto*)mask_autos->default_auto)
1846                                                 current = (MaskAuto*)mask_autos->first;
1847                                         else
1848                                                 current = (MaskAuto*)NEXT;
1849                                 }
1850                                 gui->affected_point = mask->points.size() - 1;
1851 #endif
1852
1853                                 result = 1;
1854                         }
1855                         else
1856 // Insert between 2 points, shifting back point 2
1857                         if(shortest_point1 >= 0 && shortest_point2 >= 0) {
1858
1859 #ifdef USE_KEYFRAME_SPANNING
1860 // In case the keyframe point count isn't synchronized with the rest of the keyframes,
1861 // avoid a crash.
1862                                 if(points.size() >= shortest_point2) {
1863                                         MaskPoint *new_point = new MaskPoint;
1864                                         points.append(0);
1865                                         for(int i = points.size() - 1;
1866                                                 i > shortest_point2;
1867                                                 i--)
1868                                                 points.values[i] = points.values[i - 1];
1869                                         points.values[shortest_point2] = new_point;
1870
1871                                         *new_point = *point;
1872                                 }
1873
1874 #else
1875
1876                                 for(MaskAuto *current = (MaskAuto*)mask_autos->default_auto; current; ) {
1877                                         SubMask *submask = current->get_submask(mwindow->edl->session->cwindow_mask);
1878 // In case the keyframe point count isn't synchronized with the rest of the keyframes,
1879 // avoid a crash.
1880                                         if(submask->points.size() >= shortest_point2) {
1881                                                 MaskPoint *new_point = new MaskPoint;
1882                                                 submask->points.append(0);
1883                                                 for(int i = submask->points.size() - 1;
1884                                                         i > shortest_point2;
1885                                                         i--)
1886                                                         submask->points.values[i] = submask->points.values[i - 1];
1887                                                 submask->points.values[shortest_point2] = new_point;
1888
1889                                                 *new_point = *point;
1890                                         }
1891
1892                                         if(current == (MaskAuto*)mask_autos->default_auto)
1893                                                 current = (MaskAuto*)mask_autos->first;
1894                                         else
1895                                                 current = (MaskAuto*)NEXT;
1896                                 }
1897
1898 #endif
1899                                 gui->affected_point = shortest_point2;
1900                                 result = 1;
1901                         }
1902
1903
1904 // printf("CWindowGUI::do_mask 20\n");
1905 // mwindow->edl->dump();
1906 // printf("CWindowGUI::do_mask 30\n");
1907
1908                         if(!result) {
1909 //printf("CWindowCanvas::do_mask 1\n");
1910 // Create the first point.
1911 #ifdef USE_KEYFRAME_SPANNING
1912                                 MaskPoint *new_point = new MaskPoint;
1913                                 points.append(new_point);
1914                                 *new_point = *point;
1915                                 gui->affected_point = points.size() - 1;
1916 #else
1917                                 for(MaskAuto *current = (MaskAuto*)mask_autos->default_auto; current; ) {
1918                                         SubMask *submask = current->get_submask(mwindow->edl->session->cwindow_mask);
1919                                         MaskPoint *new_point = new MaskPoint;
1920                                         submask->points.append(new_point);
1921                                         *new_point = *point;
1922                                         if(current == (MaskAuto*)mask_autos->default_auto)
1923                                                 current = (MaskAuto*)mask_autos->first;
1924                                         else
1925                                                 current = (MaskAuto*)NEXT;
1926                                 }
1927                                 gui->affected_point = points.size() - 1;
1928 #endif
1929
1930 //printf("CWindowCanvas::do_mask 3 %d\n", mask->points.size());
1931                         }
1932
1933                         gui->current_operation = mwindow->edl->session->cwindow_operation;
1934 // Delete the template
1935                         delete point;
1936                 }
1937
1938                 result = 1;
1939                 rerender = 1;
1940                 redraw = 1;
1941         }
1942
1943         if(button_press && result) {
1944 #ifdef USE_KEYFRAME_SPANNING
1945                 MaskPoint *point = points.values[gui->affected_point];
1946                 gui->center_x = point->x;
1947                 gui->center_y = point->y;
1948                 gui->control_in_x = point->control_x1;
1949                 gui->control_in_y = point->control_y1;
1950                 gui->control_out_x = point->control_x2;
1951                 gui->control_out_y = point->control_y2;
1952                 gui->tool_panel->raise_window();
1953 #else
1954                 SubMask *mask = gui->mask_keyframe->get_submask(mwindow->edl->session->cwindow_mask);
1955                 MaskPoint *point = mask->points.values[gui->affected_point];
1956                 gui->center_x = point->x;
1957                 gui->center_y = point->y;
1958                 gui->control_in_x = point->control_x1;
1959                 gui->control_in_y = point->control_y1;
1960                 gui->control_out_x = point->control_x2;
1961                 gui->control_out_y = point->control_y2;
1962                 gui->tool_panel->raise_window();
1963 #endif
1964         }
1965
1966 //printf("CWindowCanvas::do_mask 8\n");
1967         if(cursor_motion) {
1968
1969 #ifdef USE_KEYFRAME_SPANNING
1970 // Must update the reference keyframes for every cursor motion
1971                 gui->mask_keyframe =
1972                         (MaskAuto*)gui->cwindow->calculate_affected_auto(
1973                                 mask_autos,
1974                                 0);
1975                 gui->orig_mask_keyframe->copy_data(gui->mask_keyframe);
1976 #endif
1977
1978 //printf("CWindowCanvas::do_mask %d %d\n", __LINE__, gui->affected_point);
1979
1980                 SubMask *mask = gui->mask_keyframe->get_submask(mwindow->edl->session->cwindow_mask);
1981                 if( gui->affected_point >= 0 && gui->affected_point < mask->points.size() &&
1982                         gui->current_operation != CWINDOW_NONE) {
1983 //                      mwindow->undo->update_undo_before(_("mask point"), this);
1984 #ifdef USE_KEYFRAME_SPANNING
1985                         MaskPoint *point = points.get(gui->affected_point);
1986 #else
1987                         MaskPoint *point = mask->points.get(gui->affected_point);
1988 #endif
1989 //                      canvas_to_output(mwindow->edl, 0, cursor_x, cursor_y);
1990 //printf("CWindowCanvas::do_mask 9 %d %d\n", mask->points.size(), gui->affected_point);
1991
1992                         float last_x = point->x;
1993                         float last_y = point->y;
1994                         float last_control_x1 = point->control_x1;
1995                         float last_control_y1 = point->control_y1;
1996                         float last_control_x2 = point->control_x2;
1997                         float last_control_y2 = point->control_y2;
1998
1999                         switch(gui->current_operation) {
2000                                 case CWINDOW_MASK:
2001 //printf("CWindowCanvas::do_mask %d %d\n", __LINE__, gui->affected_point);
2002                                         point->x = mask_cursor_x - gui->x_origin + gui->center_x;
2003                                         point->y = mask_cursor_y - gui->y_origin + gui->center_y;
2004                                         break;
2005
2006                                 case CWINDOW_MASK_CONTROL_IN:
2007                                         point->control_x1 = mask_cursor_x - gui->x_origin + gui->control_in_x;
2008                                         point->control_y1 = mask_cursor_y - gui->y_origin + gui->control_in_y;
2009                                         break;
2010
2011                                 case CWINDOW_MASK_CONTROL_OUT:
2012                                         point->control_x2 = mask_cursor_x - gui->x_origin + gui->control_out_x;
2013                                         point->control_y2 = mask_cursor_y - gui->y_origin + gui->control_out_y;
2014                                         break;
2015
2016                                 case CWINDOW_MASK_TRANSLATE:
2017 #ifdef USE_KEYFRAME_SPANNING
2018                                         for(int i = 0; i < points.size(); i++) {
2019                                                 points.values[i]->x += mask_cursor_x - gui->x_origin;
2020                                                 points.values[i]->y += mask_cursor_y - gui->y_origin;
2021                                         }
2022 #else
2023                                         for(int i = 0; i < mask->points.size(); i++) {
2024                                                 mask->points.values[i]->x += mask_cursor_x - gui->x_origin;
2025                                                 mask->points.values[i]->y += mask_cursor_y - gui->y_origin;
2026                                         }
2027 #endif
2028                                         gui->x_origin = mask_cursor_x;
2029                                         gui->y_origin = mask_cursor_y;
2030                                         break;
2031                         }
2032
2033                         if( !EQUIV(last_x, point->x) ||
2034                                 !EQUIV(last_y, point->y) ||
2035                                 !EQUIV(last_control_x1, point->control_x1) ||
2036                                 !EQUIV(last_control_y1, point->control_y1) ||
2037                                 !EQUIV(last_control_x2, point->control_x2) ||
2038                                 !EQUIV(last_control_y2, point->control_y2)) {
2039                                 rerender = 1;
2040                                 redraw = 1;
2041                         }
2042                 }
2043                 else
2044                 if(gui->current_operation == CWINDOW_NONE) {
2045 //                      printf("CWindowCanvas::do_mask %d\n", __LINE__);
2046                         int over_point = 0;
2047                         for(int i = 0; i < points.size() && !over_point; i++) {
2048                                 MaskPoint *point = points.get(i);
2049                                 float x0 = point->x;
2050                                 float y0 = point->y;
2051                                 float x1 = point->x + point->control_x1;
2052                                 float y1 = point->y + point->control_y1;
2053                                 float x2 = point->x + point->control_x2;
2054                                 float y2 = point->y + point->control_y2;
2055                                 float canvas_x0 = (x0 - half_track_w) * projector_z + projector_x;
2056                                 float canvas_y0 = (y0 - half_track_h) * projector_z + projector_y;
2057
2058                                 output_to_canvas(mwindow->edl, 0, canvas_x0, canvas_y0);
2059                                 if(test_bbox(cursor_x, cursor_y, canvas_x0, canvas_y0)) {
2060                                         over_point = 1;
2061                                 }
2062
2063                                 if(!over_point && gui->ctrl_down()) {
2064                                         float canvas_x1 = (x1 - half_track_w) * projector_z + projector_x;
2065                                         float canvas_y1 = (y1 - half_track_h) * projector_z + projector_y;
2066                                         output_to_canvas(mwindow->edl, 0, canvas_x1, canvas_y1);
2067                                         if(test_bbox(cursor_x, cursor_y, canvas_x1, canvas_y1)) {
2068                                                 over_point = 1;
2069                                         }
2070                                         else {
2071                                                 float canvas_x2 = (x2 - half_track_w) * projector_z + projector_x;
2072                                                 float canvas_y2 = (y2 - half_track_h) * projector_z + projector_y;
2073                                                 output_to_canvas(mwindow->edl, 0, canvas_x2, canvas_y2);
2074                                                 if(test_bbox(cursor_x, cursor_y, canvas_x2, canvas_y2)) {
2075                                                         over_point = 1;
2076                                                 }
2077                                         }
2078                                 }
2079                         }
2080
2081                         set_cursor( over_point ? ARROW_CURSOR : CROSS_CURSOR );
2082                 }
2083
2084                 result = 1;
2085         }
2086 //printf("CWindowCanvas::do_mask 2 %d %d %d\n", result, rerender, redraw);
2087
2088
2089 #ifdef USE_KEYFRAME_SPANNING
2090 // Must commit change after operation.
2091         if(rerender && track) {
2092 // Swap EDL keyframe with original.
2093 // Apply new values to keyframe span
2094                 MaskAuto temp_keyframe(mwindow->edl, mask_autos);
2095                 temp_keyframe.copy_data(gui->mask_keyframe);
2096 // Apply interpolated points back to keyframe
2097                 temp_keyframe.set_points(&points, mwindow->edl->session->cwindow_mask);
2098                 gui->mask_keyframe->copy_data(gui->orig_mask_keyframe);
2099                 mask_autos->update_parameter(&temp_keyframe);
2100         }
2101 #endif
2102
2103         points.remove_all_objects();
2104 //printf("CWindowCanvas::do_mask 20\n");
2105         return result;
2106 }
2107
2108 int CWindowCanvas::do_eyedrop(int &rerender, int button_press, int draw)
2109 {
2110         int result = 0;
2111         int radius = mwindow->edl->session->eyedrop_radius;
2112         int row1 = 0;
2113         int row2 = 0;
2114         int column1 = 0;
2115         int column2 = 0;
2116
2117
2118
2119         if(refresh_frame && refresh_frame->get_w()>0 && refresh_frame->get_h()>0)
2120         {
2121
2122                 if(draw)
2123                 {
2124                         row1 = gui->eyedrop_y - radius;
2125                         row2 = gui->eyedrop_y + radius;
2126                         column1 = gui->eyedrop_x - radius;
2127                         column2 = gui->eyedrop_x + radius;
2128
2129                         CLAMP(row1, 0, refresh_frame->get_h() - 1);
2130                         CLAMP(row2, 0, refresh_frame->get_h() - 1);
2131                         CLAMP(column1, 0, refresh_frame->get_w() - 1);
2132                         CLAMP(column2, 0, refresh_frame->get_w() - 1);
2133
2134                         if(row2 <= row1) row2 = row1 + 1;
2135                         if(column2 <= column1) column2 = column1 + 1;
2136
2137                         float x1 = column1;
2138                         float y1 = row1;
2139                         float x2 = column2;
2140                         float y2 = row2;
2141
2142                         output_to_canvas(mwindow->edl, 0, x1, y1);
2143                         output_to_canvas(mwindow->edl, 0, x2, y2);
2144 //printf("CWindowCanvas::do_eyedrop %d %f %f %f %f\n", __LINE__, x1, x2, y1, y2);
2145
2146                         if(x2 - x1 >= 1 && y2 - y1 >= 1)
2147                         {
2148                                 get_canvas()->set_inverse();
2149                                 get_canvas()->set_color(WHITE);
2150
2151                                 get_canvas()->draw_rectangle((int)x1,
2152                                         (int)y1,
2153                                         (int)(x2 - x1),
2154                                         (int)(y2 - y1));
2155
2156                                 get_canvas()->set_opaque();
2157                                 get_canvas()->flash();
2158                         }
2159                         return 0;
2160                 }
2161         }
2162
2163         if(button_press)
2164         {
2165                 gui->current_operation = CWINDOW_EYEDROP;
2166                 gui->tool_panel->raise_window();
2167         }
2168
2169         if(gui->current_operation == CWINDOW_EYEDROP)
2170         {
2171                 mwindow->undo->update_undo_before(_("Eyedrop"), this);
2172
2173 // Get color out of frame.
2174 // Doesn't work during playback because that bypasses the refresh frame.
2175                 if(refresh_frame && refresh_frame->get_w()>0 && refresh_frame->get_h()>0)
2176                 {
2177                         float cursor_x = get_cursor_x();
2178                         float cursor_y = get_cursor_y();
2179                         canvas_to_output(mwindow->edl, 0, cursor_x, cursor_y);
2180                         CLAMP(cursor_x, 0, refresh_frame->get_w() - 1);
2181                         CLAMP(cursor_y, 0, refresh_frame->get_h() - 1);
2182
2183                         row1 = cursor_y - radius;
2184                         row2 = cursor_y + radius;
2185                         column1 = cursor_x - radius;
2186                         column2 = cursor_x + radius;
2187                         CLAMP(row1, 0, refresh_frame->get_h() - 1);
2188                         CLAMP(row2, 0, refresh_frame->get_h() - 1);
2189                         CLAMP(column1, 0, refresh_frame->get_w() - 1);
2190                         CLAMP(column2, 0, refresh_frame->get_w() - 1);
2191                         if(row2 <= row1) row2 = row1 + 1;
2192                         if(column2 <= column1) column2 = column1 + 1;
2193
2194
2195 // hide it
2196                         if(gui->eyedrop_visible)
2197                         {
2198                                 int temp;
2199                                 do_eyedrop(temp, 0, 1);
2200                                 gui->eyedrop_visible = 0;
2201                         }
2202
2203                         gui->eyedrop_x = cursor_x;
2204                         gui->eyedrop_y = cursor_y;
2205
2206 // show it
2207                         {
2208                                 int temp;
2209                                 do_eyedrop(temp, 0, 1);
2210                                 gui->eyedrop_visible = 1;
2211                         }
2212
2213 // Decompression coefficients straight out of jpeglib
2214 #define V_TO_R    1.40200
2215 #define V_TO_G    -0.71414
2216
2217 #define U_TO_G    -0.34414
2218 #define U_TO_B    1.77200
2219
2220 #define GET_COLOR(type, components, max, do_yuv) \
2221 { \
2222         type *row = (type*)(refresh_frame->get_rows()[i]) + \
2223                 j * components; \
2224         float red = (float)*row++ / max; \
2225         float green = (float)*row++ / max; \
2226         float blue = (float)*row++ / max; \
2227         if(do_yuv) \
2228         { \
2229                 float r = red + V_TO_R * (blue - 0.5); \
2230                 float g = red + U_TO_G * (green - 0.5) + V_TO_G * (blue - 0.5); \
2231                 float b = red + U_TO_B * (green - 0.5); \
2232                 mwindow->edl->local_session->red += r; \
2233                 mwindow->edl->local_session->green += g; \
2234                 mwindow->edl->local_session->blue += b; \
2235                 if(r > mwindow->edl->local_session->red_max) mwindow->edl->local_session->red_max = r; \
2236                 if(g > mwindow->edl->local_session->green_max) mwindow->edl->local_session->green_max = g; \
2237                 if(b > mwindow->edl->local_session->blue_max) mwindow->edl->local_session->blue_max = b; \
2238         } \
2239         else \
2240         { \
2241                 mwindow->edl->local_session->red += red; \
2242                 mwindow->edl->local_session->green += green; \
2243                 mwindow->edl->local_session->blue += blue; \
2244                 if(red > mwindow->edl->local_session->red_max) mwindow->edl->local_session->red_max = red; \
2245                 if(green > mwindow->edl->local_session->green_max) mwindow->edl->local_session->green_max = green; \
2246                 if(blue > mwindow->edl->local_session->blue_max) mwindow->edl->local_session->blue_max = blue; \
2247         } \
2248 }
2249
2250
2251
2252                         mwindow->edl->local_session->red = 0;
2253                         mwindow->edl->local_session->green = 0;
2254                         mwindow->edl->local_session->blue = 0;
2255                         mwindow->edl->local_session->red_max = 0;
2256                         mwindow->edl->local_session->green_max = 0;
2257                         mwindow->edl->local_session->blue_max = 0;
2258                         for(int i = row1; i < row2; i++)
2259                         {
2260                                 for(int j = column1; j < column2; j++)
2261                                 {
2262                                         switch(refresh_frame->get_color_model())
2263                                         {
2264                                                 case BC_YUV888:
2265                                                         GET_COLOR(unsigned char, 3, 0xff, 1);
2266                                                         break;
2267                                                 case BC_YUVA8888:
2268                                                         GET_COLOR(unsigned char, 4, 0xff, 1);
2269                                                         break;
2270                                                 case BC_YUV161616:
2271                                                         GET_COLOR(uint16_t, 3, 0xffff, 1);
2272                                                         break;
2273                                                 case BC_YUVA16161616:
2274                                                         GET_COLOR(uint16_t, 4, 0xffff, 1);
2275                                                         break;
2276                                                 case BC_RGB888:
2277                                                         GET_COLOR(unsigned char, 3, 0xff, 0);
2278                                                         break;
2279                                                 case BC_RGBA8888:
2280                                                         GET_COLOR(unsigned char, 4, 0xff, 0);
2281                                                         break;
2282                                                 case BC_RGB_FLOAT:
2283                                                         GET_COLOR(float, 3, 1.0, 0);
2284                                                         break;
2285                                                 case BC_RGBA_FLOAT:
2286                                                         GET_COLOR(float, 4, 1.0, 0);
2287                                                         break;
2288                                         }
2289                                 }
2290                         }
2291
2292                         mwindow->edl->local_session->red /= (row2 - row1) * (column2 - column1);
2293                         mwindow->edl->local_session->green /= (row2 - row1) * (column2 - column1);
2294                         mwindow->edl->local_session->blue /= (row2 - row1) * (column2 - column1);
2295
2296                 }
2297                 else
2298                 {
2299                         mwindow->edl->local_session->red = 0;
2300                         mwindow->edl->local_session->green = 0;
2301                         mwindow->edl->local_session->blue = 0;
2302                         gui->eyedrop_visible = 0;
2303                 }
2304
2305
2306                 gui->update_tool();
2307
2308
2309
2310                 result = 1;
2311 // Can't rerender since the color value is from the output of any effect it
2312 // goes into.
2313 //              rerender = 1;
2314                 mwindow->undo->update_undo_after(_("Eyedrop"), LOAD_SESSION);
2315         }
2316
2317         return result;
2318 }
2319
2320 void CWindowCanvas::draw_overlays()
2321 {
2322         if(mwindow->edl->session->safe_regions)
2323         {
2324                 draw_safe_regions();
2325         }
2326
2327         if(mwindow->edl->session->cwindow_scrollbars)
2328         {
2329 // Always draw output rectangle
2330                 float x1, y1, x2, y2;
2331                 x1 = 0;
2332                 x2 = mwindow->edl->session->output_w;
2333                 y1 = 0;
2334                 y2 = mwindow->edl->session->output_h;
2335                 output_to_canvas(mwindow->edl, 0, x1, y1);
2336                 output_to_canvas(mwindow->edl, 0, x2, y2);
2337
2338                 get_canvas()->set_inverse();
2339                 get_canvas()->set_color(WHITE);
2340
2341                 get_canvas()->draw_rectangle((int)x1,
2342                                 (int)y1,
2343                                 (int)(x2 - x1),
2344                                 (int)(y2 - y1));
2345
2346                 get_canvas()->set_opaque();
2347         }
2348
2349         if(gui->highlighted)
2350         {
2351                 get_canvas()->set_color(WHITE);
2352                 get_canvas()->set_inverse();
2353                 get_canvas()->draw_rectangle(0, 0, get_canvas()->get_w(), get_canvas()->get_h());
2354                 get_canvas()->draw_rectangle(1, 1, get_canvas()->get_w() - 2, get_canvas()->get_h() - 2);
2355                 get_canvas()->set_opaque();
2356         }
2357
2358         int temp1 = 0, temp2 = 0;
2359 //printf("CWindowCanvas::draw_overlays 1 %d\n", mwindow->edl->session->cwindow_operation);
2360         switch(mwindow->edl->session->cwindow_operation)
2361         {
2362                 case CWINDOW_CAMERA:
2363                         draw_bezier(1);
2364                         break;
2365
2366                 case CWINDOW_PROJECTOR:
2367                         draw_bezier(0);
2368                         break;
2369
2370                 case CWINDOW_CROP:
2371                         draw_crop();
2372                         break;
2373
2374                 case CWINDOW_MASK:
2375                         do_mask(temp1, temp2, 0, 0, 1);
2376                         break;
2377
2378                 case CWINDOW_RULER:
2379                         do_ruler(1, 0, 0, 0);
2380                         break;
2381
2382                 case CWINDOW_EYEDROP:
2383                 if(gui->eyedrop_visible)
2384                 {
2385                         int rerender;
2386                         do_eyedrop(rerender, 0, 1);
2387                         gui->eyedrop_visible = 1;
2388                         break;
2389                 }
2390         }
2391 }
2392
2393 void CWindowCanvas::draw_safe_regions()
2394 {
2395         float action_x1, action_x2, action_y1, action_y2;
2396         float title_x1, title_x2, title_y1, title_y2;
2397
2398         action_x1 = mwindow->edl->session->output_w / 2 - mwindow->edl->session->output_w / 2 * 0.9;
2399         action_x2 = mwindow->edl->session->output_w / 2 + mwindow->edl->session->output_w / 2 * 0.9;
2400         action_y1 = mwindow->edl->session->output_h / 2 - mwindow->edl->session->output_h / 2 * 0.9;
2401         action_y2 = mwindow->edl->session->output_h / 2 + mwindow->edl->session->output_h / 2 * 0.9;
2402         title_x1 = mwindow->edl->session->output_w / 2 - mwindow->edl->session->output_w / 2 * 0.8;
2403         title_x2 = mwindow->edl->session->output_w / 2 + mwindow->edl->session->output_w / 2 * 0.8;
2404         title_y1 = mwindow->edl->session->output_h / 2 - mwindow->edl->session->output_h / 2 * 0.8;
2405         title_y2 = mwindow->edl->session->output_h / 2 + mwindow->edl->session->output_h / 2 * 0.8;
2406
2407         output_to_canvas(mwindow->edl, 0, action_x1, action_y1);
2408         output_to_canvas(mwindow->edl, 0, action_x2, action_y2);
2409         output_to_canvas(mwindow->edl, 0, title_x1, title_y1);
2410         output_to_canvas(mwindow->edl, 0, title_x2, title_y2);
2411
2412         get_canvas()->set_inverse();
2413         get_canvas()->set_color(WHITE);
2414
2415         get_canvas()->draw_rectangle((int)action_x1,
2416                         (int)action_y1,
2417                         (int)(action_x2 - action_x1),
2418                         (int)(action_y2 - action_y1));
2419         get_canvas()->draw_rectangle((int)title_x1,
2420                         (int)title_y1,
2421                         (int)(title_x2 - title_x1),
2422                         (int)(title_y2 - title_y1));
2423
2424         get_canvas()->set_opaque();
2425 }
2426
2427 void CWindowCanvas::reset_keyframe(int do_camera)
2428 {
2429         FloatAuto *x_keyframe = 0;
2430         FloatAuto *y_keyframe = 0;
2431         FloatAuto *z_keyframe = 0;
2432         Track *affected_track = 0;
2433
2434         affected_track = gui->cwindow->calculate_affected_track();
2435
2436         if(affected_track)
2437         {
2438                 gui->cwindow->calculate_affected_autos(&x_keyframe,
2439                         &y_keyframe,
2440                         &z_keyframe,
2441                         affected_track,
2442                         do_camera,
2443                         1,
2444                         1,
2445                         1);
2446
2447                 x_keyframe->set_value(0);
2448                 y_keyframe->set_value(0);
2449                 z_keyframe->set_value(1);
2450
2451                 mwindow->sync_parameters(CHANGE_PARAMS);
2452                 gui->update_tool();
2453         }
2454 }
2455
2456 void CWindowCanvas::reset_camera()
2457 {
2458         reset_keyframe(1);
2459 }
2460
2461 void CWindowCanvas::reset_projector()
2462 {
2463         reset_keyframe(0);
2464 }
2465
2466 int CWindowCanvas::test_crop(int button_press, int &redraw)
2467 {
2468         int result = 0;
2469         int handle_selected = -1;
2470         float x1 = mwindow->edl->session->crop_x1;
2471         float y1 = mwindow->edl->session->crop_y1;
2472         float x2 = mwindow->edl->session->crop_x2;
2473         float y2 = mwindow->edl->session->crop_y2;
2474         float cursor_x = get_cursor_x();
2475         float cursor_y = get_cursor_y();
2476         float canvas_x1 = x1;
2477         float canvas_y1 = y1;
2478         float canvas_x2 = x2;
2479         float canvas_y2 = y2;
2480         float canvas_cursor_x = cursor_x;
2481         float canvas_cursor_y = cursor_y;
2482
2483         canvas_to_output(mwindow->edl, 0, cursor_x, cursor_y);
2484 // Use screen normalized coordinates for hot spot tests.
2485         output_to_canvas(mwindow->edl, 0, canvas_x1, canvas_y1);
2486         output_to_canvas(mwindow->edl, 0, canvas_x2, canvas_y2);
2487
2488
2489         if(gui->current_operation == CWINDOW_CROP)
2490         {
2491                 handle_selected = gui->crop_handle;
2492         }
2493         else
2494         if(canvas_cursor_x >= canvas_x1 && canvas_cursor_x < canvas_x1 + CROPHANDLE_W &&
2495                 canvas_cursor_y >= canvas_y1 && canvas_cursor_y < canvas_y1 + CROPHANDLE_H)
2496         {
2497                 handle_selected = 0;
2498                 gui->crop_origin_x = x1;
2499                 gui->crop_origin_y = y1;
2500         }
2501         else
2502         if(canvas_cursor_x >= canvas_x2 - CROPHANDLE_W && canvas_cursor_x < canvas_x2 &&
2503                 canvas_cursor_y >= canvas_y1 && canvas_cursor_y < canvas_y1 + CROPHANDLE_H)
2504         {
2505                 handle_selected = 1;
2506                 gui->crop_origin_x = x2;
2507                 gui->crop_origin_y = y1;
2508         }
2509         else
2510         if(canvas_cursor_x >= canvas_x1 && canvas_cursor_x < canvas_x1 + CROPHANDLE_W &&
2511                 canvas_cursor_y >= canvas_y2 - CROPHANDLE_H && canvas_cursor_y < canvas_y2)
2512         {
2513                 handle_selected = 2;
2514                 gui->crop_origin_x = x1;
2515                 gui->crop_origin_y = y2;
2516         }
2517         else
2518         if(canvas_cursor_x >= canvas_x2 - CROPHANDLE_W && canvas_cursor_x < canvas_x2 &&
2519                 canvas_cursor_y >= canvas_y2 - CROPHANDLE_H && canvas_cursor_y < canvas_y2)
2520         {
2521                 handle_selected = 3;
2522                 gui->crop_origin_x = x2;
2523                 gui->crop_origin_y = y2;
2524         }
2525         else
2526 // Start new box
2527         {
2528                 gui->crop_origin_x = cursor_x;
2529                 gui->crop_origin_y = cursor_y;
2530         }
2531
2532 // printf("test crop %d %d\n",
2533 //      gui->current_operation,
2534 //      handle_selected);
2535
2536 // Start dragging.
2537         if(button_press)
2538         {
2539                 if(gui->alt_down())
2540                 {
2541                         gui->crop_translate = 1;
2542                         gui->crop_origin_x1 = x1;
2543                         gui->crop_origin_y1 = y1;
2544                         gui->crop_origin_x2 = x2;
2545                         gui->crop_origin_y2 = y2;
2546                 }
2547                 else
2548                         gui->crop_translate = 0;
2549
2550                 gui->current_operation = CWINDOW_CROP;
2551                 gui->crop_handle = handle_selected;
2552                 gui->x_origin = cursor_x;
2553                 gui->y_origin = cursor_y;
2554                 gui->tool_panel->raise_window();
2555                 result = 1;
2556
2557                 if(handle_selected < 0 && !gui->crop_translate)
2558                 {
2559                         x2 = x1 = cursor_x;
2560                         y2 = y1 = cursor_y;
2561                         mwindow->edl->session->crop_x1 = (int)x1;
2562                         mwindow->edl->session->crop_y1 = (int)y1;
2563                         mwindow->edl->session->crop_x2 = (int)x2;
2564                         mwindow->edl->session->crop_y2 = (int)y2;
2565                         redraw = 1;
2566                 }
2567         }
2568     else
2569 // Translate all 4 points
2570         if(gui->current_operation == CWINDOW_CROP && gui->crop_translate)
2571         {
2572                 x1 = cursor_x - gui->x_origin + gui->crop_origin_x1;
2573                 y1 = cursor_y - gui->y_origin + gui->crop_origin_y1;
2574                 x2 = cursor_x - gui->x_origin + gui->crop_origin_x2;
2575                 y2 = cursor_y - gui->y_origin + gui->crop_origin_y2;
2576
2577                 mwindow->edl->session->crop_x1 = (int)x1;
2578                 mwindow->edl->session->crop_y1 = (int)y1;
2579                 mwindow->edl->session->crop_x2 = (int)x2;
2580                 mwindow->edl->session->crop_y2 = (int)y2;
2581                 result = 1;
2582                 redraw = 1;
2583         }
2584         else
2585 // Update dragging
2586         if(gui->current_operation == CWINDOW_CROP)
2587         {
2588                 switch(gui->crop_handle)
2589                 {
2590                         case -1:
2591                                 x1 = gui->crop_origin_x;
2592                                 y1 = gui->crop_origin_y;
2593                                 x2 = gui->crop_origin_x;
2594                                 y2 = gui->crop_origin_y;
2595                                 if(cursor_x < gui->x_origin)
2596                                 {
2597                                         if(cursor_y < gui->y_origin)
2598                                         {
2599                                                 x1 = cursor_x;
2600                                                 y1 = cursor_y;
2601                                         }
2602                                         else
2603                                         if(cursor_y >= gui->y_origin)
2604                                         {
2605                                                 x1 = cursor_x;
2606                                                 y2 = cursor_y;
2607                                         }
2608                                 }
2609                                 else
2610                                 if(cursor_x  >= gui->x_origin)
2611                                 {
2612                                         if(cursor_y < gui->y_origin)
2613                                         {
2614                                                 y1 = cursor_y;
2615                                                 x2 = cursor_x;
2616                                         }
2617                                         else
2618                                         if(cursor_y >= gui->y_origin)
2619                                         {
2620                                                 x2 = cursor_x;
2621                                                 y2 = cursor_y;
2622                                         }
2623                                 }
2624
2625 // printf("test crop %d %d %d %d\n",
2626 //      mwindow->edl->session->crop_x1,
2627 //      mwindow->edl->session->crop_y1,
2628 //      mwindow->edl->session->crop_x2,
2629 //      mwindow->edl->session->crop_y2);
2630                                 break;
2631                         case 0:
2632                                 x1 = cursor_x - gui->x_origin + gui->crop_origin_x;
2633                                 y1 = cursor_y - gui->y_origin + gui->crop_origin_y;
2634                                 break;
2635                         case 1:
2636                                 x2 = cursor_x - gui->x_origin + gui->crop_origin_x;
2637                                 y1 = cursor_y - gui->y_origin + gui->crop_origin_y;
2638                                 break;
2639                         case 2:
2640                                 x1 = cursor_x - gui->x_origin + gui->crop_origin_x;
2641                                 y2 = cursor_y - gui->y_origin + gui->crop_origin_y;
2642                                 break;
2643                         case 3:
2644                                 x2 = cursor_x - gui->x_origin + gui->crop_origin_x;
2645                                 y2 = cursor_y - gui->y_origin + gui->crop_origin_y;
2646                                 break;
2647                 }
2648
2649                 if(!EQUIV(mwindow->edl->session->crop_x1, x1) ||
2650                         !EQUIV(mwindow->edl->session->crop_x2, x2) ||
2651                         !EQUIV(mwindow->edl->session->crop_y1, y1) ||
2652                         !EQUIV(mwindow->edl->session->crop_y2, y2))
2653                 {
2654                         if (x1 > x2)
2655                         {
2656                                 float tmp = x1;
2657                                 x1 = x2;
2658                                 x2 = tmp;
2659                                 switch (gui->crop_handle)
2660                                 {
2661                                         case 0: gui->crop_handle = 1; break;
2662                                         case 1: gui->crop_handle = 0; break;
2663                                         case 2: gui->crop_handle = 3; break;
2664                                         case 3: gui->crop_handle = 2; break;
2665                                         default: break;
2666                                 }
2667                         }
2668
2669                         if (y1 > y2)
2670                         {
2671                                 float tmp = y1;
2672                                 y1 = y2;
2673                                 y2 = tmp;
2674                                 switch (gui->crop_handle)
2675                                 {
2676                                         case 0: gui->crop_handle = 2; break;
2677                                         case 1: gui->crop_handle = 3; break;
2678                                         case 2: gui->crop_handle = 0; break;
2679                                         case 3: gui->crop_handle = 1; break;
2680                                         default: break;
2681                                 }
2682                         }
2683
2684                         mwindow->edl->session->crop_x1 = (int)x1;
2685                         mwindow->edl->session->crop_y1 = (int)y1;
2686                         mwindow->edl->session->crop_x2 = (int)x2;
2687                         mwindow->edl->session->crop_y2 = (int)y2;
2688                         result = 1;
2689                         redraw = 1;
2690                 }
2691         }
2692         else
2693 // Update cursor font
2694         if(handle_selected >= 0)
2695         {
2696                 switch(handle_selected)
2697                 {
2698                         case 0:
2699                                 set_cursor(UPLEFT_RESIZE);
2700                                 break;
2701                         case 1:
2702                                 set_cursor(UPRIGHT_RESIZE);
2703                                 break;
2704                         case 2:
2705                                 set_cursor(DOWNLEFT_RESIZE);
2706                                 break;
2707                         case 3:
2708                                 set_cursor(DOWNRIGHT_RESIZE);
2709                                 break;
2710                 }
2711                 result = 1;
2712         }
2713         else
2714         {
2715                 set_cursor(ARROW_CURSOR);
2716         }
2717 #define CLAMP(x, y, z) ((x) = ((x) < (y) ? (y) : ((x) > (z) ? (z) : (x))))
2718
2719         if(redraw)
2720         {
2721                 CLAMP(mwindow->edl->session->crop_x1, 0, mwindow->edl->session->output_w);
2722                 CLAMP(mwindow->edl->session->crop_x2, 0, mwindow->edl->session->output_w);
2723                 CLAMP(mwindow->edl->session->crop_y1, 0, mwindow->edl->session->output_h);
2724                 CLAMP(mwindow->edl->session->crop_y2, 0, mwindow->edl->session->output_h);
2725 // printf("CWindowCanvas::test_crop %d %d %d %d\n",
2726 //      mwindow->edl->session->crop_x2,
2727 //      mwindow->edl->session->crop_y2,
2728 //      mwindow->edl->calculate_output_w(0),
2729 //      mwindow->edl->calculate_output_h(0));
2730         }
2731         return result;
2732 }
2733
2734
2735 void CWindowCanvas::draw_crop()
2736 {
2737         get_canvas()->set_inverse();
2738         get_canvas()->set_color(WHITE);
2739
2740         float x1 = mwindow->edl->session->crop_x1;
2741         float y1 = mwindow->edl->session->crop_y1;
2742         float x2 = mwindow->edl->session->crop_x2;
2743         float y2 = mwindow->edl->session->crop_y2;
2744
2745         output_to_canvas(mwindow->edl, 0, x1, y1);
2746         output_to_canvas(mwindow->edl, 0, x2, y2);
2747
2748         if(x2 - x1 && y2 - y1)
2749                 get_canvas()->draw_rectangle((int)x1,
2750                         (int)y1,
2751                         (int)(x2 - x1),
2752                         (int)(y2 - y1));
2753
2754         draw_crophandle((int)x1, (int)y1);
2755         draw_crophandle((int)x2 - CROPHANDLE_W, (int)y1);
2756         draw_crophandle((int)x1, (int)y2 - CROPHANDLE_H);
2757         draw_crophandle((int)x2 - CROPHANDLE_W, (int)y2 - CROPHANDLE_H);
2758         get_canvas()->set_opaque();
2759 }
2760
2761
2762
2763
2764
2765
2766
2767
2768 void CWindowCanvas::draw_bezier(int do_camera)
2769 {
2770         Track *track = gui->cwindow->calculate_affected_track();
2771
2772         if(!track) return;
2773
2774         float center_x;
2775         float center_y;
2776         float center_z;
2777         int64_t position = track->to_units(
2778                 mwindow->edl->local_session->get_selectionstart(1),
2779                 0);
2780
2781         track->automation->get_projector(&center_x,
2782                 &center_y,
2783                 &center_z,
2784                 position,
2785                 PLAY_FORWARD);
2786
2787 //      center_x += track->track_w / 2;
2788 //      center_y += track->track_h / 2;
2789         center_x += mwindow->edl->session->output_w / 2;
2790         center_y += mwindow->edl->session->output_h / 2;
2791         float track_x1 = center_x - track->track_w / 2 * center_z;
2792         float track_y1 = center_y - track->track_h / 2 * center_z;
2793         float track_x2 = track_x1 + track->track_w * center_z;
2794         float track_y2 = track_y1 + track->track_h * center_z;
2795
2796         output_to_canvas(mwindow->edl, 0, track_x1, track_y1);
2797         output_to_canvas(mwindow->edl, 0, track_x2, track_y2);
2798
2799 #define DRAW_PROJECTION(offset) \
2800         get_canvas()->draw_rectangle((int)track_x1 + offset, \
2801                 (int)track_y1 + offset, \
2802                 (int)(track_x2 - track_x1), \
2803                 (int)(track_y2 - track_y1)); \
2804         get_canvas()->draw_line((int)track_x1 + offset,  \
2805                 (int)track_y1 + offset, \
2806                 (int)track_x2 + offset, \
2807                 (int)track_y2 + offset); \
2808         get_canvas()->draw_line((int)track_x2 + offset,  \
2809                 (int)track_y1 + offset, \
2810                 (int)track_x1 + offset, \
2811                 (int)track_y2 + offset); \
2812
2813
2814 // Drop shadow
2815         get_canvas()->set_color(BLACK);
2816         DRAW_PROJECTION(1);
2817
2818 //      canvas->set_inverse();
2819         if(do_camera)
2820                 get_canvas()->set_color(GREEN);
2821         else
2822                 get_canvas()->set_color(RED);
2823
2824         DRAW_PROJECTION(0);
2825 //      canvas->set_opaque();
2826
2827 }
2828
2829 int CWindowCanvas::test_bezier(int button_press,
2830         int &redraw,
2831         int &redraw_canvas,
2832         int &rerender,
2833         int do_camera)
2834 {
2835         int result = 0;
2836
2837 // Processing drag operation.
2838 // Create keyframe during first cursor motion.
2839         if(!button_press)
2840         {
2841
2842                 float cursor_x = get_cursor_x();
2843                 float cursor_y = get_cursor_y();
2844                 canvas_to_output(mwindow->edl, 0, cursor_x, cursor_y);
2845
2846                 if(gui->current_operation == CWINDOW_CAMERA ||
2847                         gui->current_operation == CWINDOW_PROJECTOR)
2848                 {
2849                         if(!gui->ctrl_down() && gui->shift_down() && !gui->translating_zoom)
2850                         {
2851                                 gui->translating_zoom = 1;
2852                                 gui->reset_affected();
2853                         }
2854                         else
2855                         if(!gui->ctrl_down() && !gui->shift_down() && gui->translating_zoom)
2856                         {
2857                                 gui->translating_zoom = 0;
2858                                 gui->reset_affected();
2859                         }
2860
2861 // Get target keyframe
2862                         float last_center_x;
2863                         float last_center_y;
2864                         float last_center_z;
2865                         int created;
2866
2867                         if(!gui->affected_x && !gui->affected_y && !gui->affected_z)
2868                         {
2869                                 FloatAutos *affected_x_autos;
2870                                 FloatAutos *affected_y_autos;
2871                                 FloatAutos *affected_z_autos;
2872                                 if(!gui->affected_track) return 0;
2873                                 double position = mwindow->edl->local_session->get_selectionstart(1);
2874                                 int64_t track_position = gui->affected_track->to_units(position, 0);
2875
2876                                 if(mwindow->edl->session->cwindow_operation == CWINDOW_CAMERA)
2877                                 {
2878                                         affected_x_autos = (FloatAutos*)gui->affected_track->automation->autos[AUTOMATION_CAMERA_X];
2879                                         affected_y_autos = (FloatAutos*)gui->affected_track->automation->autos[AUTOMATION_CAMERA_Y];
2880                                         affected_z_autos = (FloatAutos*)gui->affected_track->automation->autos[AUTOMATION_CAMERA_Z];
2881                                 }
2882                                 else
2883                                 {
2884                                         affected_x_autos = (FloatAutos*)gui->affected_track->automation->autos[AUTOMATION_PROJECTOR_X];
2885                                         affected_y_autos = (FloatAutos*)gui->affected_track->automation->autos[AUTOMATION_PROJECTOR_Y];
2886                                         affected_z_autos = (FloatAutos*)gui->affected_track->automation->autos[AUTOMATION_PROJECTOR_Z];
2887                                 }
2888
2889
2890                                 if(gui->translating_zoom)
2891                                 {
2892                                         FloatAuto *previous = 0;
2893                                         FloatAuto *next = 0;
2894                                         float new_z = affected_z_autos->get_value(
2895                                                 track_position,
2896                                                 PLAY_FORWARD,
2897                                                 previous,
2898                                                 next);
2899                                         gui->affected_z =
2900                                                 (FloatAuto*)gui->cwindow->calculate_affected_auto(
2901                                                         affected_z_autos, 1, &created, 0);
2902                                         if(created) {
2903                                                 gui->affected_z->set_value(new_z);
2904                                                 redraw_canvas = 1;
2905                                         }
2906                                 }
2907                                 else
2908                                 {
2909                                         FloatAuto *previous = 0;
2910                                         FloatAuto *next = 0;
2911                                         float new_x = affected_x_autos->get_value(
2912                                                 track_position,
2913                                                 PLAY_FORWARD,
2914                                                 previous,
2915                                                 next);
2916                                         previous = 0;
2917                                         next = 0;
2918                                         float new_y = affected_y_autos->get_value(
2919                                                 track_position,
2920                                                 PLAY_FORWARD,
2921                                                 previous,
2922                                                 next);
2923                                         gui->affected_x =
2924                                                 (FloatAuto*)gui->cwindow->calculate_affected_auto(
2925                                                         affected_x_autos, 1, &created, 0);
2926                                         if(created) {
2927                                                 gui->affected_x->set_value(new_x);
2928                                                 redraw_canvas = 1;
2929                                         }
2930                                         gui->affected_y =
2931                                                 (FloatAuto*)gui->cwindow->calculate_affected_auto(
2932                                                         affected_y_autos, 1, &created, 0);
2933                                         if(created) {
2934                                                 gui->affected_y->set_value(new_y);
2935                                                 redraw_canvas = 1;
2936                                         }
2937                                 }
2938
2939                                 calculate_origin();
2940
2941                                 if(gui->translating_zoom)
2942                                 {
2943                                         gui->center_z = gui->affected_z->get_value();
2944                                 }
2945                                 else
2946                                 {
2947                                         gui->center_x = gui->affected_x->get_value();
2948                                         gui->center_y = gui->affected_y->get_value();
2949                                 }
2950
2951                                 rerender = 1;
2952                                 redraw = 1;
2953                         }
2954
2955                         if(gui->translating_zoom)
2956                         {
2957                                 last_center_z = gui->affected_z->get_value();
2958                                 float z = gui->center_z + (cursor_y - gui->y_origin) / 128;
2959                                 if( z < 0 ) z = 0;
2960                                 if(!EQUIV(last_center_z, z))
2961                                 {
2962                                         rerender = 1;
2963                                         redraw = 1;
2964                                         redraw_canvas = 1;
2965                                 }
2966                                 gui->affected_z->set_value(z);
2967                         }
2968                         else
2969                         {
2970                                 last_center_x = gui->affected_x->get_value();
2971                                 last_center_y = gui->affected_y->get_value();
2972                                 float x = gui->center_x + cursor_x - gui->x_origin;
2973                                 float y = gui->center_y + cursor_y - gui->y_origin;
2974                                 gui->affected_x->set_value(x);
2975                                 gui->affected_y->set_value(y);
2976                                 if( !EQUIV(last_center_x, x) || !EQUIV(last_center_y, y) )
2977                                 {
2978                                         rerender = 1;
2979                                         redraw = 1;
2980                                         redraw_canvas = 1;
2981                                 }
2982                                 gui->affected_x->set_value(x);
2983                                 gui->affected_y->set_value(y);
2984                         }
2985                 }
2986
2987                 result = 1;
2988         }
2989         else
2990 // Begin drag operation.  Don't create keyframe here.
2991         {
2992 // Get affected track off of the first recordable video track.
2993 // Calculating based on the alpha channel would require recording what layer
2994 // each output pixel belongs to as they're rendered and stacked.  Forget it.
2995                 gui->affected_track = gui->cwindow->calculate_affected_track();
2996                 gui->reset_affected();
2997
2998                 if(gui->affected_track)
2999                 {
3000                         if(gui->current_operation == CWINDOW_CAMERA)
3001                                 mwindow->undo->update_undo_before(_("camera"), this);
3002                         else
3003                                 mwindow->undo->update_undo_before(_("projector"), this);
3004
3005                         gui->current_operation =
3006                                 mwindow->edl->session->cwindow_operation;
3007                         gui->tool_panel->raise_window();
3008                         result = 1;
3009                 }
3010         }
3011
3012         return result;
3013 }
3014
3015
3016 int CWindowCanvas::test_zoom(int &redraw)
3017 {
3018         int result = 0;
3019         float x, y;
3020         float zoom = 0;
3021
3022         if( mwindow->edl->session->cwindow_scrollbars ) {
3023                 if( *gui->zoom_panel->get_text() != 'x' ) {
3024 // Find current zoom in table
3025                         int idx = total_zooms;  float old_zoom = get_zoom();
3026                         while( --idx >= 0 && !EQUIV(my_zoom_table[idx], old_zoom) );
3027                         if( idx >= 0 ) {
3028                                 idx += get_buttonpress() == 5 ||
3029                                          gui->ctrl_down() || gui->shift_down() ?  -1 : +1 ;
3030                                 CLAMP(idx, 0, total_zooms-1);
3031                                 zoom = my_zoom_table[idx];
3032                         }
3033                 }
3034                 x = get_cursor_x();  y = get_cursor_y();
3035                 if( !zoom ) {
3036                         mwindow->edl->session->cwindow_scrollbars = 0;
3037                         gui->zoom_panel->update(0);
3038                         zoom = gui->get_auto_zoom();
3039                 }
3040                 else {
3041                         gui->zoom_panel->ZoomPanel::update(zoom);
3042                         float output_x = x, output_y = y;
3043                         canvas_to_output(mwindow->edl, 0, output_x, output_y);
3044                         x = output_x - x / zoom;
3045                         y = output_y - y / zoom;
3046                 }
3047         }
3048         else {
3049                 mwindow->edl->session->cwindow_scrollbars = 1;
3050                 x = (mwindow->edl->session->output_w - w) / 2;
3051                 y = (mwindow->edl->session->output_h - h) / 2;
3052                 zoom = 1;
3053         }
3054         update_zoom((int)x, (int)y, zoom);
3055
3056         gui->composite_panel->cpanel_zoom->update(zoom);
3057
3058         reposition_window(mwindow->edl,
3059                         mwindow->theme->ccanvas_x, mwindow->theme->ccanvas_y,
3060                         mwindow->theme->ccanvas_w, mwindow->theme->ccanvas_h);
3061         redraw = 1;  result = 1;
3062
3063         return result;
3064 }
3065
3066
3067 void CWindowCanvas::calculate_origin()
3068 {
3069         gui->x_origin = get_cursor_x();
3070         gui->y_origin = get_cursor_y();
3071 //printf("CWindowCanvas::calculate_origin 1 %f %f\n", gui->x_origin, gui->y_origin);
3072         canvas_to_output(mwindow->edl, 0, gui->x_origin, gui->y_origin);
3073 //printf("CWindowCanvas::calculate_origin 2 %f %f\n", gui->x_origin, gui->y_origin);
3074 }
3075
3076
3077 int CWindowCanvas::cursor_leave_event()
3078 {
3079         set_cursor(ARROW_CURSOR);
3080         return 1;
3081 }
3082
3083 int CWindowCanvas::cursor_enter_event()
3084 {
3085         int redraw = 0;
3086         switch(mwindow->edl->session->cwindow_operation)
3087         {
3088                 case CWINDOW_CAMERA:
3089                 case CWINDOW_PROJECTOR:
3090                         set_cursor(MOVE_CURSOR);
3091                         break;
3092                 case CWINDOW_ZOOM:
3093                         set_cursor(MOVE_CURSOR);
3094                         break;
3095                 case CWINDOW_CROP:
3096                         test_crop(0, redraw);
3097                         break;
3098                 case CWINDOW_PROTECT:
3099                         set_cursor(ARROW_CURSOR);
3100                         break;
3101                 case CWINDOW_MASK:
3102                 case CWINDOW_RULER:
3103                         set_cursor(CROSS_CURSOR);
3104                         break;
3105                 case CWINDOW_EYEDROP:
3106                         set_cursor(CROSS_CURSOR);
3107                         break;
3108         }
3109         return 1;
3110 }
3111
3112 int CWindowCanvas::cursor_motion_event()
3113 {
3114         int redraw = 0, result = 0, rerender = 0, redraw_canvas = 0;
3115
3116
3117 //printf("CWindowCanvas::cursor_motion_event %d current_operation=%d\n", __LINE__, gui->current_operation);
3118         switch(gui->current_operation)
3119         {
3120                 case CWINDOW_SCROLL:
3121                 {
3122                         float zoom = get_zoom();
3123                         float cursor_x = get_cursor_x();
3124                         float cursor_y = get_cursor_y();
3125
3126                         float zoom_x, zoom_y, conformed_w, conformed_h;
3127                         get_zooms(mwindow->edl, 0, zoom_x, zoom_y, conformed_w, conformed_h);
3128                         cursor_x = (float)cursor_x / zoom_x + gui->x_offset;
3129                         cursor_y = (float)cursor_y / zoom_y + gui->y_offset;
3130
3131
3132
3133                         int x = (int)(gui->x_origin - cursor_x + gui->x_offset);
3134                         int y = (int)(gui->y_origin - cursor_y + gui->y_offset);
3135
3136                         update_zoom(x,
3137                                 y,
3138                                 zoom);
3139                         update_scrollbars(0);
3140                         redraw = 1;
3141                         result = 1;
3142                         break;
3143                 }
3144
3145                 case CWINDOW_RULER:
3146                         result = do_ruler(0, 1, 0, 0);
3147                         break;
3148
3149                 case CWINDOW_CAMERA:
3150                         result = test_bezier(0, redraw, redraw_canvas, rerender, 1);
3151                         break;
3152
3153                 case CWINDOW_PROJECTOR:
3154                         result = test_bezier(0, redraw, redraw_canvas, rerender, 0);
3155                         break;
3156
3157
3158                 case CWINDOW_CROP:
3159                         result = test_crop(0, redraw);
3160 // printf("CWindowCanvas::cursor_motion_event %d result=%d redraw=%d\n",
3161 // __LINE__,
3162 // result,
3163 // redraw);
3164                         break;
3165
3166                 case CWINDOW_MASK:
3167                 case CWINDOW_MASK_CONTROL_IN:
3168                 case CWINDOW_MASK_CONTROL_OUT:
3169                 case CWINDOW_MASK_TRANSLATE:
3170
3171                         result = do_mask(redraw,
3172                                 rerender,
3173                                 0,
3174                                 1,
3175                                 0);
3176                         break;
3177
3178                 case CWINDOW_EYEDROP:
3179                         result = do_eyedrop(rerender, 0, 0);
3180                         break;
3181
3182                 default:
3183                         break;
3184
3185         }
3186
3187
3188 // cursor font changes
3189         if(!result)
3190         {
3191 // printf("CWindowCanvas::cursor_motion_event %d cwindow_operation=%d\n",
3192 // __LINE__,
3193 // mwindow->edl->session->cwindow_operation);
3194                 switch(mwindow->edl->session->cwindow_operation)
3195                 {
3196                         case CWINDOW_CROP:
3197                                 result = test_crop(0, redraw);
3198                                 break;
3199                         case CWINDOW_RULER:
3200                                 result = do_ruler(0, 1, 0, 0);
3201                                 break;
3202                         case CWINDOW_MASK:
3203                                 result = do_mask(redraw,
3204                                         rerender,
3205                                         0,
3206                                         1,
3207                                         0);
3208                                         break;
3209                 }
3210         }
3211
3212
3213 // If the window is never unlocked before calling send_command the
3214 // display shouldn't get stuck on the old video frame although it will
3215 // flicker between the old video frame and the new video frame.
3216
3217         if(redraw)
3218         {
3219                 draw_refresh();
3220                 gui->update_tool();
3221         }
3222
3223         if(redraw_canvas)
3224         {
3225                 gui->unlock_window();
3226
3227
3228                 mwindow->gui->lock_window("CWindowCanvas::cursor_motion_event 1");
3229                 mwindow->gui->draw_overlays(1);
3230                 mwindow->gui->unlock_window();
3231
3232                 gui->lock_window("CWindowCanvas::cursor_motion_event 1");
3233         }
3234
3235         if(rerender)
3236         {
3237                 gui->unlock_window();
3238                 mwindow->restart_brender();
3239                 mwindow->sync_parameters(CHANGE_PARAMS);
3240                 mwindow->cwindow->refresh_frame(CHANGE_NONE);
3241                 if(!redraw) gui->update_tool();
3242                 gui->lock_window("CWindowCanvas::cursor_motion_event 2");
3243         }
3244         return result;
3245 }
3246
3247 int CWindowCanvas::button_press_event()
3248 {
3249         int result = 0;
3250         int redraw = 0;
3251         int redraw_canvas = 0;
3252         int rerender = 0;
3253
3254         if(Canvas::button_press_event()) return 1;
3255
3256         gui->translating_zoom = gui->shift_down();
3257
3258         calculate_origin();
3259 //printf("CWindowCanvas::button_press_event 2 %f %f\n", gui->x_origin, gui->y_origin, gui->x_origin, gui->y_origin);
3260
3261         float zoom_x, zoom_y, conformed_w, conformed_h;
3262         get_zooms(mwindow->edl, 0, zoom_x, zoom_y, conformed_w, conformed_h);
3263         gui->x_offset = get_x_offset(mwindow->edl, 0, zoom_x, conformed_w, conformed_h);
3264         gui->y_offset = get_y_offset(mwindow->edl, 0, zoom_y, conformed_w, conformed_h);
3265
3266 // Scroll view
3267         if( mwindow->edl->session->cwindow_operation != CWINDOW_PROTECT &&
3268             get_buttonpress() == 2 )
3269         {
3270                 gui->current_operation = CWINDOW_SCROLL;
3271                 result = 1;
3272         }
3273         else
3274 // Adjust parameter
3275         {
3276                 switch(mwindow->edl->session->cwindow_operation)
3277                 {
3278                         case CWINDOW_RULER:
3279                                 result = do_ruler(0, 0, 1, 0);
3280                                 break;
3281
3282                         case CWINDOW_CAMERA:
3283                                 result = test_bezier(1, redraw, redraw_canvas, rerender, 1);
3284                                 break;
3285
3286                         case CWINDOW_PROJECTOR:
3287                                 result = test_bezier(1, redraw, redraw_canvas, rerender, 0);
3288                                 break;
3289
3290                         case CWINDOW_ZOOM:
3291                                 result = test_zoom(redraw);
3292                                 break;
3293
3294                         case CWINDOW_CROP:
3295                                 result = test_crop(1, redraw);
3296                                 break;
3297
3298                         case CWINDOW_MASK:
3299                                 if(get_buttonpress() == 1)
3300                                         result = do_mask(redraw, rerender, 1, 0, 0);
3301                                 break;
3302
3303                         case CWINDOW_EYEDROP:
3304                                 result = do_eyedrop(rerender, 1, 0);
3305                                 break;
3306                 }
3307         }
3308
3309         if(redraw)
3310         {
3311                 draw_refresh();
3312                 gui->unlock_window();
3313
3314
3315                 mwindow->gui->lock_window("CWindowCanvas::button_press_event 1");
3316                 mwindow->gui->draw_overlays(1);
3317                 mwindow->gui->unlock_window();
3318                 gui->update_tool();
3319
3320                 gui->lock_window("CWindowCanvas::button_press_event 1");
3321         }
3322
3323 // rerendering can also be caused by press event
3324         if(rerender)
3325         {
3326                 gui->unlock_window();
3327
3328                 mwindow->restart_brender();
3329                 mwindow->sync_parameters(CHANGE_PARAMS);
3330                 mwindow->cwindow->refresh_frame(CHANGE_NONE);
3331                 if(!redraw) gui->update_tool();
3332                 gui->lock_window("CWindowCanvas::button_press_event 2");
3333         }
3334         return result;
3335 }
3336
3337 int CWindowCanvas::button_release_event()
3338 {
3339         int result = 0;
3340
3341         switch(gui->current_operation)
3342         {
3343                 case CWINDOW_SCROLL:
3344                         result = 1;
3345                         break;
3346
3347                 case CWINDOW_RULER:
3348                         do_ruler(0, 0, 0, 1);
3349                         break;
3350
3351                 case CWINDOW_CAMERA:
3352                         mwindow->undo->update_undo_after(_("camera"), LOAD_AUTOMATION);
3353                         break;
3354
3355                 case CWINDOW_PROJECTOR:
3356                         mwindow->undo->update_undo_after(_("projector"), LOAD_AUTOMATION);
3357                         break;
3358
3359                 case CWINDOW_MASK:
3360                 case CWINDOW_MASK_CONTROL_IN:
3361                 case CWINDOW_MASK_CONTROL_OUT:
3362                 case CWINDOW_MASK_TRANSLATE:
3363 // Finish mask operation
3364                         gui->mask_keyframe = 0;
3365                         mwindow->undo->update_undo_after(_("mask"), LOAD_AUTOMATION);
3366                         break;
3367                 case CWINDOW_NONE:
3368                         result = Canvas::button_release_event();
3369                         break;
3370         }
3371
3372         gui->current_operation = CWINDOW_NONE;
3373         return result;
3374 }
3375
3376 void CWindowCanvas::zoom_resize_window(float percentage)
3377 {
3378         int canvas_w, canvas_h;
3379         int new_w, new_h;
3380
3381
3382 // Get required canvas size
3383         calculate_sizes(mwindow->edl->get_aspect_ratio(),
3384                 mwindow->edl->session->output_w,
3385                 mwindow->edl->session->output_h,
3386                 percentage,
3387                 canvas_w,
3388                 canvas_h);
3389
3390 // Estimate window size from current borders
3391         new_w = canvas_w + (gui->get_w() - mwindow->theme->ccanvas_w);
3392         new_h = canvas_h + (gui->get_h() - mwindow->theme->ccanvas_h);
3393
3394 //printf("CWindowCanvas::zoom_resize_window %d %d %d\n", __LINE__, new_w, new_h);
3395         mwindow->session->cwindow_w = new_w;
3396         mwindow->session->cwindow_h = new_h;
3397
3398         mwindow->theme->get_cwindow_sizes(gui,
3399                 mwindow->session->cwindow_controls);
3400
3401 // Estimate again from new borders
3402         new_w = canvas_w + (mwindow->session->cwindow_w - mwindow->theme->ccanvas_w);
3403         new_h = canvas_h + (mwindow->session->cwindow_h - mwindow->theme->ccanvas_h);
3404 //printf("CWindowCanvas::zoom_resize_window %d %d %d\n", __LINE__, new_w, new_h);
3405
3406         gui->resize_window(new_w, new_h);
3407         gui->resize_event(new_w, new_h);
3408 }
3409
3410 void CWindowCanvas::toggle_controls()
3411 {
3412         mwindow->session->cwindow_controls = !mwindow->session->cwindow_controls;
3413         gui->resize_event(gui->get_w(), gui->get_h());
3414 }
3415
3416 int CWindowCanvas::get_cwindow_controls()
3417 {
3418         return mwindow->session->cwindow_controls;
3419 }
3420
3421
3422