cinelerra-5.1/cinelerra/cwindowgui.C

   1
   2 /*
   3  * CINELERRA
   4  * Copyright (C) 1997-2014 Adam Williams <broadcast at earthling dot net>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  *
  20  */
  21
  22 #include "automation.h"
  23 #include "autos.h"
  24 #include "bcsignals.h"
  25 #include "canvas.h"
  26 #include "clip.h"
  27 #include "cpanel.h"
  28 #include "cplayback.h"
  29 #include "ctimebar.h"
  30 #include "cursors.h"
  31 #include "cwindowgui.h"
  32 #include "cwindow.h"
  33 #include "cwindowtool.h"
  34 #include "editpanel.h"
  35 #include "edl.h"
  36 #include "edlsession.h"
  37 #include "floatauto.h"
  38 #include "floatautos.h"
  39 #include "keys.h"
  40 #include "language.h"
  41 #include "localsession.h"
  42 #include "mainclock.h"
  43 #include "mainmenu.h"
  44 #include "mainundo.h"
  45 #include "mainsession.h"
  46 #include "maskauto.h"
  47 #include "maskautos.h"
  48 #include "mbuttons.h"
  49 #include "meterpanel.h"
  50 #include "mwindowgui.h"
  51 #include "mwindow.h"
  52 #include "mwindow.h"
  53 #include "playback3d.h"
  54 #include "playtransport.h"
  55 #include "theme.h"
  56 #include "trackcanvas.h"
  57 #include "tracks.h"
  58 #include "transportque.h"
  59 #include "vtrack.h"
  60
  61
  62 static double my_zoom_table[] =
  63 {
  64         0.25,
  65         0.33,
  66         0.50,
  67         0.75,
  68         1.0,
  69         1.5,
  70         2.0,
  71         3.0,
  72         4.0
  73 };
  74
  75 static int total_zooms = sizeof(my_zoom_table) / sizeof(double);
  76
  77
  78 CWindowGUI::CWindowGUI(MWindow *mwindow, CWindow *cwindow)
  79  : BC_Window(_(PROGRAM_NAME ": Compositor"),
  80         mwindow->session->cwindow_x,
  81         mwindow->session->cwindow_y,
  82         mwindow->session->cwindow_w,
  83         mwindow->session->cwindow_h,
  84         100, 100, 1, 1, 1,
  85         BC_WindowBase::get_resources()->bg_color,
  86         mwindow->get_cwindow_display())
  87 {
  88         this->mwindow = mwindow;
  89         this->cwindow = cwindow;
  90         affected_track = 0;
  91         affected_x = affected_y = affected_z = 0;
  92         mask_keyframe = 0;
  93         orig_mask_keyframe = new MaskAuto(0, 0);
  94         affected_point = 0;
  95         x_offset = y_offset = 0;
  96         x_origin = y_origin = 0;
  97         current_operation = CWINDOW_NONE;
  98         tool_panel = 0;
  99         active = 0;
 100         inactive = 0;
 101         crop_handle = -1; crop_translate = 0;
 102         crop_origin_x = crop_origin_y = 0;
 103         crop_origin_x1 = crop_origin_y1 = 0;
 104         crop_origin_x2 = crop_origin_y2 = 0;
 105         eyedrop_visible = 0;
 106         eyedrop_x = eyedrop_y = 0;
 107         ruler_origin_x = ruler_origin_y = 0;
 108         ruler_handle = -1; ruler_translate = 0;
 109         center_x = center_y = center_z = 0;
 110         control_in_x = control_in_y = 0;
 111         control_out_x = control_out_y = 0;
 112         translating_zoom = 0;
 113         highlighted = 0;
 114 }
 115
 116 CWindowGUI::~CWindowGUI()
 117 {
 118         cwindow->stop_playback(1);
 119         if(tool_panel) delete tool_panel;
 120         delete meters;
 121         delete composite_panel;
 122         delete canvas;
 123         delete transport;
 124         delete edit_panel;
 125         delete zoom_panel;
 126         delete active;
 127         delete inactive;
 128         delete focus_frame;
 129         delete orig_mask_keyframe;
 130 }
 131
 132 void CWindowGUI::create_objects()
 133 {
 134         lock_window("CWindowGUI::create_objects");
 135         set_icon(mwindow->theme->get_image("cwindow_icon"));
 136
 137         active = new BC_Pixmap(this, mwindow->theme->get_image("cwindow_active"));
 138         inactive = new BC_Pixmap(this, mwindow->theme->get_image("cwindow_inactive"));
 139         focus_frame = new VFramePng(mwindow->theme->get_image_data("cwindow_focus.png"));
 140
 141         mwindow->theme->get_cwindow_sizes(this, mwindow->session->cwindow_controls);
 142         mwindow->theme->draw_cwindow_bg(this);
 143         flash();
 144
 145 // Meters required by composite panel
 146         meters = new CWindowMeters(mwindow,
 147                 this,
 148                 mwindow->theme->cmeter_x,
 149                 mwindow->theme->cmeter_y,
 150                 mwindow->theme->cmeter_h);
 151         meters->create_objects();
 152
 153
 154         composite_panel = new CPanel(mwindow,
 155                 this,
 156                 mwindow->theme->ccomposite_x,
 157                 mwindow->theme->ccomposite_y,
 158                 mwindow->theme->ccomposite_w,
 159                 mwindow->theme->ccomposite_h);
 160         composite_panel->create_objects();
 161
 162         canvas = new CWindowCanvas(mwindow, this);
 163
 164         canvas->create_objects(mwindow->edl);
 165         canvas->use_cwindow();
 166
 167
 168         add_subwindow(timebar = new CTimeBar(mwindow,
 169                 this,
 170                 mwindow->theme->ctimebar_x,
 171                 mwindow->theme->ctimebar_y,
 172                 mwindow->theme->ctimebar_w,
 173                 mwindow->theme->ctimebar_h));
 174         timebar->create_objects();
 175
 176 #ifdef USE_SLIDER
 177         add_subwindow(slider = new CWindowSlider(mwindow,
 178                 cwindow,
 179                 mwindow->theme->cslider_x,
 180                 mwindow->theme->cslider_y,
 181                 mwindow->theme->cslider_w));
 182 #endif
 183
 184         transport = new CWindowTransport(mwindow,
 185                 this,
 186                 mwindow->theme->ctransport_x,
 187                 mwindow->theme->ctransport_y);
 188         transport->create_objects();
 189 #ifdef USE_SLIDER
 190         transport->set_slider(slider);
 191 #endif
 192
 193         edit_panel = new CWindowEditing(mwindow, cwindow);
 194         edit_panel->set_meters(meters);
 195         edit_panel->create_objects();
 196
 197 //      add_subwindow(clock = new MainClock(mwindow,
 198 //              mwindow->theme->ctime_x,
 199 //              mwindow->theme->ctime_y));
 200
 201         zoom_panel = new CWindowZoom(mwindow,
 202                 this,
 203                 mwindow->theme->czoom_x,
 204                 mwindow->theme->czoom_y,
 205                 mwindow->theme->czoom_w);
 206         zoom_panel->create_objects();
 207         zoom_panel->zoom_text->add_item(new BC_MenuItem(auto_zoom = _(AUTO_ZOOM)));
 208         if( !mwindow->edl->session->cwindow_scrollbars )
 209                 zoom_panel->set_text(auto_zoom);
 210
 211 // Must create after meter panel
 212         tool_panel = new CWindowTool(mwindow, this);
 213         tool_panel->Thread::start();
 214
 215         set_operation(mwindow->edl->session->cwindow_operation);
 216         draw_status(0);
 217         unlock_window();
 218 }
 219
 220 int CWindowGUI::translation_event()
 221 {
 222         mwindow->session->cwindow_x = get_x();
 223         mwindow->session->cwindow_y = get_y();
 224         return 0;
 225 }
 226
 227 int CWindowGUI::resize_event(int w, int h)
 228 {
 229         mwindow->session->cwindow_x = get_x();
 230         mwindow->session->cwindow_y = get_y();
 231         mwindow->session->cwindow_w = w;
 232         mwindow->session->cwindow_h = h;
 233
 234         mwindow->theme->get_cwindow_sizes(this, mwindow->session->cwindow_controls);
 235         mwindow->theme->draw_cwindow_bg(this);
 236         flash(0);
 237
 238         composite_panel->reposition_buttons(mwindow->theme->ccomposite_x,
 239                 mwindow->theme->ccomposite_y, mwindow->theme->ccomposite_h);
 240
 241         canvas->reposition_window(mwindow->edl,
 242                 mwindow->theme->ccanvas_x,
 243                 mwindow->theme->ccanvas_y,
 244                 mwindow->theme->ccanvas_w,
 245                 mwindow->theme->ccanvas_h);
 246
 247         timebar->resize_event();
 248
 249 #ifdef USE_SLIDER
 250         slider->reposition_window(mwindow->theme->cslider_x,
 251                 mwindow->theme->cslider_y,
 252                 mwindow->theme->cslider_w);
 253 // Recalibrate pointer motion range
 254         slider->set_position();
 255 #endif
 256
 257         transport->reposition_buttons(mwindow->theme->ctransport_x,
 258                 mwindow->theme->ctransport_y);
 259
 260         edit_panel->reposition_buttons(mwindow->theme->cedit_x,
 261                 mwindow->theme->cedit_y);
 262
 263 //      clock->reposition_window(mwindow->theme->ctime_x,
 264 //              mwindow->theme->ctime_y);
 265
 266         zoom_panel->reposition_window(mwindow->theme->czoom_x,
 267                 mwindow->theme->czoom_y);
 268
 269 //      destination->reposition_window(mwindow->theme->cdest_x,
 270 //              mwindow->theme->cdest_y);
 271
 272         meters->reposition_window(mwindow->theme->cmeter_x,
 273                 mwindow->theme->cmeter_y,
 274                 -1,
 275                 mwindow->theme->cmeter_h);
 276
 277         draw_status(0);
 278
 279         BC_WindowBase::resize_event(w, h);
 280         return 1;
 281 }
 282
 283 int CWindowGUI::button_press_event()
 284 {
 285         if( current_operation == CWINDOW_NONE &&
 286             mwindow->edl != 0 && canvas->get_canvas() &&
 287             mwindow->edl->session->cwindow_click2play &&
 288             canvas->get_canvas()->get_cursor_over_window() ) {
 289                 switch( get_buttonpress() ) {
 290                 case LEFT_BUTTON:
 291                         if( !cwindow->playback_engine->is_playing_back ) {
 292                                 double length = mwindow->edl->tracks->total_playable_length();
 293                                 double position = cwindow->playback_engine->get_tracking_position();
 294                                 if( position >= length ) transport->goto_start();
 295                         }
 296                         return transport->forward_play->handle_event();
 297                 case MIDDLE_BUTTON:
 298                         if( !cwindow->playback_engine->is_playing_back ) {
 299                                 double position = cwindow->playback_engine->get_tracking_position();
 300                                 if( position <= 0 ) transport->goto_end();
 301                         }
 302                         return transport->reverse_play->handle_event();
 303                 case RIGHT_BUTTON:  // activates popup
 304                         break;
 305                 case WHEEL_UP:
 306                         return transport->frame_forward_play->handle_event();
 307                 case WHEEL_DOWN:
 308                         return transport->frame_reverse_play->handle_event();
 309                 }
 310         }
 311         if(canvas->get_canvas())
 312                 return canvas->button_press_event_base(canvas->get_canvas());
 313         return 0;
 314 }
 315
 316 int CWindowGUI::cursor_leave_event()
 317 {
 318         if(canvas->get_canvas())
 319                 return canvas->cursor_leave_event_base(canvas->get_canvas());
 320         return 0;
 321 }
 322
 323 int CWindowGUI::cursor_enter_event()
 324 {
 325         if(canvas->get_canvas())
 326                 return canvas->cursor_enter_event_base(canvas->get_canvas());
 327         return 0;
 328 }
 329
 330 int CWindowGUI::button_release_event()
 331 {
 332         if(canvas->get_canvas())
 333                 return canvas->button_release_event();
 334         return 0;
 335 }
 336
 337 int CWindowGUI::cursor_motion_event()
 338 {
 339         if(canvas->get_canvas())
 340         {
 341                 canvas->get_canvas()->unhide_cursor();
 342                 return canvas->cursor_motion_event();
 343         }
 344         return 0;
 345 }
 346
 347
 348
 349
 350
 351
 352
 353 void CWindowGUI::draw_status(int flush)
 354 {
 355         if( (canvas->get_canvas() && canvas->get_canvas()->get_video_on()) ||
 356                 canvas->is_processing )
 357         {
 358                 draw_pixmap(active,
 359                         mwindow->theme->cstatus_x,
 360                         mwindow->theme->cstatus_y);
 361         }
 362         else
 363         {
 364                 draw_pixmap(inactive,
 365                         mwindow->theme->cstatus_x,
 366                         mwindow->theme->cstatus_y);
 367         }
 368
 369
 370 // printf("CWindowGUI::draw_status %d %d %d\n", __LINE__, mwindow->theme->cstatus_x,
 371 //              mwindow->theme->cstatus_y);
 372         flash(mwindow->theme->cstatus_x,
 373                 mwindow->theme->cstatus_y,
 374                 active->get_w(),
 375                 active->get_h(),
 376                 flush);
 377 }
 378
 379 float CWindowGUI::get_auto_zoom()
 380 {
 381         float conformed_w, conformed_h;
 382         mwindow->edl->calculate_conformed_dimensions(0, conformed_w, conformed_h);
 383         float zoom_x = canvas->w / conformed_w;
 384         float zoom_y = canvas->h / conformed_h;
 385         return zoom_x < zoom_y ? zoom_x : zoom_y;
 386 }
 387
 388 void CWindowGUI::zoom_canvas(double value, int update_menu)
 389 {
 390         float x = 0, y = 0;
 391         float zoom = !value ? get_auto_zoom() : value;
 392         EDL *edl = mwindow->edl;
 393         edl->session->cwindow_scrollbars = !value ? 0 : 1;
 394         if( value ) {
 395                 float cx = 0.5f * canvas->w;  x = cx;
 396                 float cy = 0.5f * canvas->h;  y = cy;
 397                 canvas->canvas_to_output(edl, 0, x, y);
 398                 canvas->update_zoom(0, 0, zoom);
 399                 float zoom_x, zoom_y, conformed_w, conformed_h;
 400                 canvas->get_zooms(edl, 0, zoom_x, zoom_y, conformed_w, conformed_h);
 401                 x -= cx / zoom_x;
 402                 y -= cy / zoom_y;
 403
 404         }
 405         canvas->update_zoom((int)(x+0.5), (int)(y+0.5), zoom);
 406
 407         if( update_menu )
 408                 zoom_panel->update(value);
 409         if( mwindow->edl->session->cwindow_operation == CWINDOW_ZOOM )
 410                 composite_panel->cpanel_zoom->update(zoom);
 411
 412         canvas->reposition_window(mwindow->edl,
 413                 mwindow->theme->ccanvas_x, mwindow->theme->ccanvas_y,
 414                 mwindow->theme->ccanvas_w, mwindow->theme->ccanvas_h);
 415         canvas->refresh(0);
 416 }
 417
 418 void CWindowGUI::set_operation(int value)
 419 {
 420         switch( value ) {
 421         case CWINDOW_TOOL_WINDOW:
 422                 mwindow->edl->session->tool_window = !mwindow->edl->session->tool_window;
 423                 composite_panel->operation[CWINDOW_TOOL_WINDOW]->update(mwindow->edl->session->tool_window);
 424                 tool_panel->update_show_window();
 425                 return;
 426         case CWINDOW_TITLESAFE:
 427                 mwindow->edl->session->safe_regions = !mwindow->edl->session->safe_regions;
 428                 composite_panel->operation[CWINDOW_TITLESAFE]->update(mwindow->edl->session->safe_regions);
 429                 value = mwindow->edl->session->cwindow_operation;
 430                 break;
 431         default:
 432                 mwindow->edl->session->cwindow_operation = value;
 433                 composite_panel->set_operation(value);
 434                 break;
 435         }
 436
 437         edit_panel->update();
 438         tool_panel->start_tool(value);
 439         canvas->refresh(0);
 440 }
 441
 442 void CWindowGUI::update_tool()
 443 {
 444         tool_panel->update_values();
 445 }
 446
 447 int CWindowGUI::close_event()
 448 {
 449         cwindow->hide_window();
 450         return 1;
 451 }
 452
 453
 454 int CWindowGUI::keypress_event()
 455 {
 456         int result = 0;
 457         int cwindow_operation = CWINDOW_NONE;
 458
 459         switch( get_keypress() ) {
 460         case 'w':
 461         case 'W':
 462                 close_event();
 463                 result = 1;
 464                 break;
 465         case '+':
 466         case '=':
 467                 keyboard_zoomin();
 468                 result = 1;
 469                 break;
 470         case '-':
 471                 keyboard_zoomout();
 472                 result = 1;
 473                 break;
 474         case 'f':
 475                 unlock_window();
 476                 if( canvas->get_fullscreen() )
 477                         canvas->stop_fullscreen();
 478                 else
 479                         canvas->start_fullscreen();
 480                 lock_window("CWindowGUI::keypress_event 1");
 481                 result = 1;
 482                 break;
 483         case 'x':
 484                 if( ctrl_down() || shift_down() || alt_down() ) break;
 485                 unlock_window();
 486                 mwindow->gui->lock_window("CWindowGUI::keypress_event 2");
 487                 mwindow->cut();
 488                 mwindow->gui->unlock_window();
 489                 lock_window("CWindowGUI::keypress_event 2");
 490                 result = 1;
 491                 break;
 492         case DELETE:
 493                 unlock_window();
 494                 mwindow->gui->lock_window("CWindowGUI::keypress_event 2");
 495                 mwindow->clear_entry();
 496                 mwindow->gui->unlock_window();
 497                 lock_window("CWindowGUI::keypress_event 3");
 498                 result = 1;
 499                 break;
 500         case ESC:
 501                 unlock_window();
 502                 if( canvas->get_fullscreen() )
 503                         canvas->stop_fullscreen();
 504                 lock_window("CWindowGUI::keypress_event 4");
 505                 result = 1;
 506                 break;
 507         case LEFT:
 508                 if( !ctrl_down() ) {
 509                         int alt_down = this->alt_down();
 510                         int shift_down = this->shift_down();
 511                         unlock_window();
 512                         stop_transport(0);
 513                         mwindow->gui->lock_window("CWindowGUI::keypress_event 5");
 514                         if( alt_down )
 515                                 mwindow->prev_edit_handle(shift_down);
 516                         else
 517                                 mwindow->move_left();
 518                         mwindow->gui->unlock_window();
 519                         lock_window("CWindowGUI::keypress_event 6");
 520                         result = 1;
 521                 }
 522                 break;
 523
 524         case ',':
 525                 if( !ctrl_down() && !alt_down() ) {
 526                         unlock_window();
 527                         stop_transport(0);
 528                         mwindow->gui->lock_window("CWindowGUI::keypress_event 7");
 529                         mwindow->move_left();
 530                         mwindow->gui->unlock_window();
 531                         lock_window("CWindowGUI::keypress_event 8");
 532                         result = 1;
 533                 }
 534                 break;
 535
 536         case RIGHT:
 537                 if( !ctrl_down() ) {
 538                         int alt_down = this->alt_down();
 539                         int shift_down = this->shift_down();
 540                         unlock_window();
 541                         stop_transport(0);
 542                         mwindow->gui->lock_window("CWindowGUI::keypress_event 8");
 543                         if( alt_down )
 544                                 mwindow->next_edit_handle(shift_down);
 545                         else
 546                                 mwindow->move_right();
 547                         mwindow->gui->unlock_window();
 548                         lock_window("CWindowGUI::keypress_event 9");
 549                         result = 1;
 550                 }
 551                 break;
 552
 553         case '.':
 554                 if( !ctrl_down() && !alt_down() ) {
 555                         unlock_window();
 556                         stop_transport(0);
 557                         mwindow->gui->lock_window("CWindowGUI::keypress_event 10");
 558                         mwindow->move_right();
 559                         mwindow->gui->unlock_window();
 560                         lock_window("CWindowGUI::keypress_event 11");
 561                         result = 1;
 562                 }
 563                 break;
 564         }
 565
 566         if( !result && cwindow_operation < 0 && ctrl_down() && shift_down() ) {
 567                 switch( get_keypress() ) {
 568                 case KEY_F1 ... KEY_F4: // mainmenu, load layout
 569                         resend_event(mwindow->gui);
 570                         result = 1;
 571                         break;
 572                 }
 573         }
 574         if( !result && !ctrl_down() ) {
 575                 switch( get_keypress() ) {
 576                 case KEY_F1:
 577                         if( shift_down() ) {
 578                                 mwindow->toggle_camera_xyz();  result = 1;
 579                         }
 580                         else
 581                                 cwindow_operation = CWINDOW_PROTECT;
 582                         break;
 583                 case KEY_F2:
 584                         if( shift_down() ) {
 585                                 mwindow->toggle_projector_xyz();  result = 1;
 586                         }
 587                         else
 588                                 cwindow_operation = CWINDOW_ZOOM;
 589                         break;
 590                 }
 591         }
 592         if( !result && cwindow_operation < 0 && !ctrl_down() && !shift_down() ) {
 593                 switch( get_keypress() ) {
 594                 case KEY_F3:    cwindow_operation = CWINDOW_MASK;       break;
 595                 case KEY_F4:    cwindow_operation = CWINDOW_RULER;      break;
 596                 case KEY_F5:    cwindow_operation = CWINDOW_CAMERA;     break;
 597                 case KEY_F6:    cwindow_operation = CWINDOW_PROJECTOR;  break;
 598                 case KEY_F7:    cwindow_operation = CWINDOW_CROP;       break;
 599                 case KEY_F8:    cwindow_operation = CWINDOW_EYEDROP;    break;
 600                 case KEY_F9:    cwindow_operation = CWINDOW_TOOL_WINDOW; break;
 601                 case KEY_F10:   cwindow_operation = CWINDOW_TITLESAFE;  break;
 602                 }
 603         }
 604         if( !result && cwindow_operation < 0 && !ctrl_down() ) {
 605                 switch( get_keypress() ) {
 606                 case KEY_F11:
 607                         if( !shift_down() )
 608                                 canvas->reset_camera();
 609                         else
 610                                 canvas->camera_keyframe();
 611                         result = 1;
 612                         break;
 613                 case KEY_F12:
 614                         if( !shift_down() )
 615                                 canvas->reset_projector();
 616                         else
 617                                 canvas->projector_keyframe();
 618                         result = 1;
 619                         break;
 620                 }
 621         }
 622
 623         if( cwindow_operation >= 0 ) {
 624                 set_operation(cwindow_operation);
 625                 result = 1;
 626         }
 627
 628         if( !result )
 629                 result = transport->keypress_event();
 630
 631         return result;
 632 }
 633
 634
 635 void CWindowGUI::reset_affected()
 636 {
 637         affected_x = 0;
 638         affected_y = 0;
 639         affected_z = 0;
 640 }
 641
 642 void CWindowGUI::keyboard_zoomin()
 643 {
 644 //      if(mwindow->edl->session->cwindow_scrollbars)
 645 //      {
 646                 zoom_panel->zoom_tumbler->handle_up_event();
 647 //      }
 648 //      else
 649 //      {
 650 //      }
 651 }
 652
 653 void CWindowGUI::keyboard_zoomout()
 654 {
 655 //      if(mwindow->edl->session->cwindow_scrollbars)
 656 //      {
 657                 zoom_panel->zoom_tumbler->handle_down_event();
 658 //      }
 659 //      else
 660 //      {
 661 //      }
 662 }
 663
 664 void CWindowGUI::sync_parameters(int change_type, int redraw, int overlay)
 665 {
 666         if( redraw ) {
 667                 update_tool();
 668                 canvas->refresh(1);
 669         }
 670         if( change_type < 0 && !overlay ) return;
 671         unlock_window();
 672         if( change_type >= 0 ) {
 673                 mwindow->restart_brender();
 674                 mwindow->sync_parameters(change_type);
 675         }
 676         if( overlay ) {
 677                 mwindow->gui->lock_window("CWindowGUI::sync_parameters");
 678                 mwindow->gui->draw_overlays(1);
 679                 mwindow->gui->unlock_window();
 680         }
 681         lock_window("CWindowGUI::sync_parameters");
 682 }
 683
 684 void CWindowGUI::drag_motion()
 685 {
 686         if(get_hidden()) return;
 687
 688         if(mwindow->session->current_operation != DRAG_ASSET &&
 689                 mwindow->session->current_operation != DRAG_VTRANSITION &&
 690                 mwindow->session->current_operation != DRAG_VEFFECT) return;
 691         int need_highlight = cursor_above() && get_cursor_over_window();
 692         if( highlighted == need_highlight ) return;
 693         highlighted = need_highlight;
 694         canvas->refresh(1);
 695 }
 696
 697 int CWindowGUI::drag_stop()
 698 {
 699         int result = 0;
 700         if(get_hidden()) return 0;
 701         if( !highlighted ) return 0;
 702         if( mwindow->session->current_operation != DRAG_ASSET &&
 703             mwindow->session->current_operation != DRAG_VTRANSITION &&
 704             mwindow->session->current_operation != DRAG_VEFFECT) return 0;
 705         highlighted = 0;
 706         canvas->refresh(1);
 707         result = 1;
 708
 709         if(mwindow->session->current_operation == DRAG_ASSET)
 710         {
 711                 if(mwindow->session->drag_assets->total ||
 712                         mwindow->session->drag_clips->total)
 713                 {
 714                         mwindow->gui->lock_window("CWindowGUI::drag_stop 1");
 715                         mwindow->undo->update_undo_before(_("insert assets"), 0);
 716                 }
 717
 718                 if(mwindow->session->drag_assets->total)
 719                 {
 720                         mwindow->clear(0);
 721                         mwindow->load_assets(mwindow->session->drag_assets,
 722                                 mwindow->edl->local_session->get_selectionstart(),
 723                                 LOADMODE_PASTE,
 724                                 mwindow->session->track_highlighted,
 725                                 0,
 726                                 mwindow->edl->session->labels_follow_edits,
 727                                 mwindow->edl->session->plugins_follow_edits,
 728                                 mwindow->edl->session->autos_follow_edits,
 729                                 0); // overwrite
 730                 }
 731
 732                 if(mwindow->session->drag_clips->total)
 733                 {
 734                         mwindow->clear(0);
 735                         mwindow->paste_edls(mwindow->session->drag_clips,
 736                                 LOADMODE_PASTE,
 737                                 mwindow->session->track_highlighted,
 738                                 mwindow->edl->local_session->get_selectionstart(),
 739                                 mwindow->edl->session->labels_follow_edits,
 740                                 mwindow->edl->session->plugins_follow_edits,
 741                                 mwindow->edl->session->autos_follow_edits,
 742                                 0); // overwrite
 743                 }
 744
 745                 if(mwindow->session->drag_assets->total ||
 746                         mwindow->session->drag_clips->total)
 747                 {
 748                         mwindow->save_backup();
 749                         mwindow->restart_brender();
 750                         mwindow->gui->update(1, NORMAL_DRAW, 1, 1, 0, 1, 0);
 751                         mwindow->undo->update_undo_after(_("insert assets"), LOAD_ALL);
 752                         mwindow->gui->unlock_window();
 753                         sync_parameters(CHANGE_ALL);
 754                 }
 755         }
 756
 757         if(mwindow->session->current_operation == DRAG_VEFFECT)
 758         {
 759 //printf("CWindowGUI::drag_stop 1\n");
 760                 Track *affected_track = cwindow->calculate_affected_track();
 761 //printf("CWindowGUI::drag_stop 2\n");
 762
 763                 mwindow->gui->lock_window("CWindowGUI::drag_stop 3");
 764                 mwindow->insert_effects_cwindow(affected_track);
 765                 mwindow->session->current_operation = NO_OPERATION;
 766                 mwindow->gui->unlock_window();
 767         }
 768
 769         if(mwindow->session->current_operation == DRAG_VTRANSITION)
 770         {
 771                 Track *affected_track = cwindow->calculate_affected_track();
 772                 mwindow->gui->lock_window("CWindowGUI::drag_stop 4");
 773                 mwindow->paste_transition_cwindow(affected_track);
 774                 mwindow->session->current_operation = NO_OPERATION;
 775                 mwindow->gui->unlock_window();
 776         }
 777
 778         return result;
 779 }
 780
 781 void CWindowGUI::update_meters()
 782 {
 783         if(mwindow->edl->session->cwindow_meter != meters->visible)
 784         {
 785                 meters->set_meters(meters->meter_count, mwindow->edl->session->cwindow_meter);
 786                 mwindow->theme->get_cwindow_sizes(this, mwindow->session->cwindow_controls);
 787                 resize_event(get_w(), get_h());
 788         }
 789 }
 790
 791 void CWindowGUI::stop_transport(const char *lock_msg)
 792 {
 793         if( lock_msg ) unlock_window();
 794         mwindow->stop_transport();
 795         if( lock_msg ) lock_window(lock_msg);
 796 }
 797
 798
 799 CWindowEditing::CWindowEditing(MWindow *mwindow, CWindow *cwindow)
 800  : EditPanel(mwindow, cwindow->gui, CWINDOW_ID,
 801                 mwindow->theme->cedit_x, mwindow->theme->cedit_y,
 802                 mwindow->edl->session->editing_mode,
 803                 0, // use_editing_mode
 804                 1, // use_keyframe
 805                 0, // use_splice
 806                 0, // use_overwrite
 807                 1, // use_copy
 808                 1, // use_paste
 809                 1, // use_undo
 810                 0, // use_fit
 811                 0, // locklabels
 812                 1, // use_labels
 813                 1, // use_toclip
 814                 1, // use_meters
 815                 1, // use_cut
 816                 0, // use_commerical
 817                 0, // use_goto
 818                 1) // use_clk2play
 819 {
 820         this->mwindow = mwindow;
 821         this->cwindow = cwindow;
 822 }
 823
 824 #define relock_cm(s) \
 825  cwindow->gui->unlock_window(); \
 826  mwindow->gui->lock_window("CWindowEditing::" s)
 827 #define relock_mc(s) \
 828  mwindow->gui->unlock_window(); \
 829  cwindow->gui->lock_window("CWindowEditing::" s)
 830 #define panel_fn(fn, args, s) \
 831  CWindowEditing::fn args { relock_cm(#fn); s; relock_mc(#fn); }
 832
 833 // transmit lock to mwindow, and run mbutton->edit_panel->s
 834 #define panel_btn(fn, args, s) \
 835  panel_fn(panel_##fn, args, mwindow->gui->mbuttons->edit_panel->panel_##s)
 836
 837
 838 double CWindowEditing::get_position()
 839 {
 840         relock_cm("get_position");
 841         double ret = mwindow->edl->local_session->get_selectionstart(1);
 842         relock_mc("get_position");
 843         return ret;
 844 }
 845
 846 void CWindowEditing::set_position(double position)
 847 {
 848         relock_cm("set_position");
 849         mwindow->gui->mbuttons->edit_panel->set_position(position);
 850         relock_mc("set_position");
 851 }
 852
 853 void CWindowEditing::set_click_to_play(int v)
 854 {
 855         relock_cm("set_position");
 856         mwindow->edl->session->cwindow_click2play = v;
 857         relock_mc("set_position");
 858         click2play->update(v);
 859 }
 860
 861
 862 void panel_btn(stop_transport,(), stop_transport())
 863 void panel_btn(toggle_label,(), toggle_label())
 864 void panel_btn(next_label,(int cut), next_label(cut))
 865 void panel_btn(prev_label,(int cut), prev_label(cut))
 866 void panel_btn(next_edit,(int cut), next_edit(cut))
 867 void panel_btn(prev_edit,(int cut), prev_edit(cut))
 868 void panel_fn(panel_copy_selection,(), mwindow->copy())
 869 void CWindowEditing::panel_overwrite_selection() {} // not used
 870 void CWindowEditing::panel_splice_selection() {} // not used
 871 void panel_btn(set_inpoint,(), set_inpoint())
 872 void panel_btn(set_outpoint,(), set_outpoint())
 873 void panel_btn(unset_inoutpoint,(), unset_inoutpoint())
 874 void panel_fn(panel_to_clip,(), mwindow->to_clip(mwindow->edl, _("main window: "), 0))
 875 void panel_btn(cut,(), cut())
 876 void panel_btn(paste,(), paste())
 877 void panel_btn(fit_selection,(), fit_selection())
 878 void panel_btn(fit_autos,(int all), fit_autos(all))
 879 void panel_btn(set_editing_mode,(int mode), set_editing_mode(mode))
 880 void panel_btn(set_auto_keyframes,(int v), set_auto_keyframes(v))
 881 void panel_btn(set_span_keyframes,(int v), set_span_keyframes(v))
 882 void panel_btn(set_labels_follow_edits,(int v), set_labels_follow_edits(v))
 883
 884
 885 CWindowMeters::CWindowMeters(MWindow *mwindow,
 886         CWindowGUI *gui, int x, int y, int h)
 887  : MeterPanel(mwindow, gui, x, y, -1, h,
 888                 mwindow->edl->session->audio_channels,
 889                 mwindow->edl->session->cwindow_meter,
 890                 0, 0)
 891 {
 892         this->mwindow = mwindow;
 893         this->gui = gui;
 894 }
 895
 896 CWindowMeters::~CWindowMeters()
 897 {
 898 }
 899
 900 int CWindowMeters::change_status_event(int new_status)
 901 {
 902         mwindow->edl->session->cwindow_meter = new_status;
 903         gui->update_meters();
 904         return 1;
 905 }
 906
 907
 908
 909
 910 CWindowZoom::CWindowZoom(MWindow *mwindow, CWindowGUI *gui, int x, int y, int w)
 911  : ZoomPanel(mwindow, gui, (double)mwindow->edl->session->cwindow_zoom,
 912         x, y, w, my_zoom_table, total_zooms, ZOOM_PERCENTAGE)
 913 {
 914         this->mwindow = mwindow;
 915         this->gui = gui;
 916 }
 917
 918 CWindowZoom::~CWindowZoom()
 919 {
 920 }
 921
 922 void CWindowZoom::update(double value)
 923 {
 924         char string[BCSTRLEN];
 925         const char *cp = string;
 926         if( value ) {
 927                 this->value = value;
 928                 int frac = value >= 1.0f ? 1 :
 929                            value >= 0.1f ? 2 :
 930                            value >= .01f ? 3 : 4;
 931                 sprintf(string, "x %.*f", frac, value);
 932         }
 933         else
 934                 cp = gui->auto_zoom;
 935         ZoomPanel::update(cp);
 936 }
 937
 938 int CWindowZoom::handle_event()
 939 {
 940         double value = !strcasecmp(gui->auto_zoom, get_text()) ? 0 : get_value();
 941         gui->zoom_canvas(value, 0);
 942         return 1;
 943 }
 944
 945
 946
 947 #ifdef USE_SLIDER
 948 CWindowSlider::CWindowSlider(MWindow *mwindow, CWindow *cwindow, int x, int y, int pixels)
 949  : BC_PercentageSlider(x,
 950                         y,
 951                         0,
 952                         pixels,
 953                         pixels,
 954                         0,
 955                         1,
 956                         0)
 957 {
 958         this->mwindow = mwindow;
 959         this->cwindow = cwindow;
 960         set_precision(0.00001);
 961 }
 962
 963 CWindowSlider::~CWindowSlider()
 964 {
 965 }
 966
 967 int CWindowSlider::handle_event()
 968 {
 969         cwindow->update_position((double)get_value());
 970         return 1;
 971 }
 972
 973 void CWindowSlider::set_position()
 974 {
 975         double new_length = mwindow->edl->tracks->total_length();
 976         update(mwindow->theme->cslider_w,
 977                 mwindow->edl->local_session->get_selectionstart(1),
 978                 0, new_length);
 979 }
 980
 981
 982 int CWindowSlider::increase_value()
 983 {
 984         unlock_window();
 985         cwindow->gui->transport->handle_transport(SINGLE_FRAME_FWD);
 986         lock_window("CWindowSlider::increase_value");
 987         return 1;
 988 }
 989
 990 int CWindowSlider::decrease_value()
 991 {
 992         unlock_window();
 993         cwindow->gui->transport->handle_transport(SINGLE_FRAME_REWIND);
 994         lock_window("CWindowSlider::decrease_value");
 995         return 1;
 996 }
 997 #endif // USE_SLIDER
 998
 999
1000 CWindowTransport::CWindowTransport(MWindow *mwindow,
1001         CWindowGUI *gui, int x, int y)
1002  : PlayTransport(mwindow, gui, x, y)
1003 {
1004         this->gui = gui;
1005 }
1006
1007 EDL* CWindowTransport::get_edl()
1008 {
1009         return mwindow->edl;
1010 }
1011
1012 void CWindowTransport::goto_start()
1013 {
1014         gui->unlock_window();
1015         handle_transport(REWIND, 1);
1016
1017         mwindow->gui->lock_window("CWindowTransport::goto_start 1");
1018         mwindow->goto_start();
1019         mwindow->gui->unlock_window();
1020
1021         gui->lock_window("CWindowTransport::goto_start 2");
1022 }
1023
1024 void CWindowTransport::goto_end()
1025 {
1026         gui->unlock_window();
1027         handle_transport(GOTO_END, 1);
1028
1029         mwindow->gui->lock_window("CWindowTransport::goto_end 1");
1030         mwindow->goto_end();
1031         mwindow->gui->unlock_window();
1032
1033         gui->lock_window("CWindowTransport::goto_end 2");
1034 }
1035
1036
1037
1038 CWindowCanvas::CWindowCanvas(MWindow *mwindow, CWindowGUI *gui)
1039  : Canvas(mwindow,
1040         gui,
1041         mwindow->theme->ccanvas_x,
1042         mwindow->theme->ccanvas_y,
1043         mwindow->theme->ccanvas_w,
1044         mwindow->theme->ccanvas_h,
1045         0,
1046         0,
1047         mwindow->edl->session->cwindow_scrollbars)
1048 {
1049         this->mwindow = mwindow;
1050         this->gui = gui;
1051 }
1052
1053 void CWindowCanvas::status_event()
1054 {
1055         gui->draw_status(1);
1056 }
1057
1058 void CWindowCanvas::update_zoom(int x, int y, float zoom)
1059 {
1060         use_scrollbars = mwindow->edl->session->cwindow_scrollbars;
1061
1062         mwindow->edl->session->cwindow_xscroll = x;
1063         mwindow->edl->session->cwindow_yscroll = y;
1064         mwindow->edl->session->cwindow_zoom = zoom;
1065 }
1066
1067 void CWindowCanvas::zoom_auto()
1068 {
1069         gui->zoom_canvas(0, 1);
1070 }
1071
1072 int CWindowCanvas::get_xscroll()
1073 {
1074         return mwindow->edl->session->cwindow_xscroll;
1075 }
1076
1077 int CWindowCanvas::get_yscroll()
1078 {
1079         return mwindow->edl->session->cwindow_yscroll;
1080 }
1081
1082
1083 float CWindowCanvas::get_zoom()
1084 {
1085         return mwindow->edl->session->cwindow_zoom;
1086 }
1087
1088 void CWindowCanvas::draw_refresh(int flush)
1089 {
1090         BC_WindowBase *window = get_canvas();
1091         if( window && !window->get_video_on() ) {
1092                 clear(0);
1093                 if( refresh_frame && refresh_frame->get_w()>0 && refresh_frame->get_h()>0 ) {
1094                         float in_x1, in_y1, in_x2, in_y2;
1095                         float out_x1, out_y1, out_x2, out_y2;
1096                         get_transfers(mwindow->edl,
1097                                 in_x1, in_y1, in_x2, in_y2,
1098                                 out_x1, out_y1, out_x2, out_y2);
1099
1100
1101 //printf("CWindowCanvas::draw_refresh %.2f %.2f %.2f %.2f -> %.2f %.2f %.2f %.2f\n",
1102 //in_x1, in_y1, in_x2, in_y2, out_x1, out_y1, out_x2, out_y2);
1103
1104
1105                         if( out_x2 > out_x1 && out_y2 > out_y1 &&
1106                             in_x2 > in_x1 && in_y2 > in_y1 ) {
1107 // input scaled from session to refresh frame coordinates
1108                                 int ow = get_output_w(mwindow->edl);
1109                                 int oh = get_output_h(mwindow->edl);
1110                                 int rw = refresh_frame->get_w();
1111                                 int rh = refresh_frame->get_h();
1112                                 float xs = (float)rw / ow;
1113                                 float ys = (float)rh / oh;
1114                                 in_x1 *= xs;  in_x2 *= xs;
1115                                 in_y1 *= ys;  in_y2 *= ys;
1116 // Can't use OpenGL here because it is called asynchronously of the
1117 // playback operation.
1118                                 window->draw_vframe(refresh_frame,
1119                                                 (int)out_x1, (int)out_y1,
1120                                                 (int)(out_x2 - out_x1),
1121                                                 (int)(out_y2 - out_y1),
1122                                                 (int)in_x1, (int)in_y1,
1123                                                 (int)(in_x2 - in_x1),
1124                                                 (int)(in_y2 - in_y1),
1125                                                 0);
1126                         }
1127                 }
1128 //usleep(10000);
1129                 draw_overlays();
1130                 window->flash(flush);
1131         }
1132 //printf("CWindowCanvas::draw_refresh 10\n");
1133 }
1134
1135 #define CROPHANDLE_W 10
1136 #define CROPHANDLE_H 10
1137
1138 void CWindowCanvas::draw_crophandle(int x, int y)
1139 {
1140         get_canvas()->draw_box(x, y, CROPHANDLE_W, CROPHANDLE_H);
1141 }
1142
1143
1144 #define CONTROL_W 10
1145 #define CONTROL_H 10
1146 #define FIRST_CONTROL_W 20
1147 #define FIRST_CONTROL_H 20
1148 #undef BC_INFINITY
1149 #define BC_INFINITY 65536
1150
1151 #define RULERHANDLE_W 16
1152 #define RULERHANDLE_H 16
1153
1154 int CWindowCanvas::do_ruler(int draw,
1155         int motion,
1156         int button_press,
1157         int button_release)
1158 {
1159         int result = 0;
1160         float x1 = mwindow->edl->session->ruler_x1;
1161         float y1 = mwindow->edl->session->ruler_y1;
1162         float x2 = mwindow->edl->session->ruler_x2;
1163         float y2 = mwindow->edl->session->ruler_y2;
1164         float canvas_x1 = x1;
1165         float canvas_y1 = y1;
1166         float canvas_x2 = x2;
1167         float canvas_y2 = y2;
1168         float output_x = get_cursor_x();
1169         float output_y = get_cursor_y();
1170         float canvas_cursor_x = output_x;
1171         float canvas_cursor_y = output_y;
1172
1173         canvas_to_output(mwindow->edl, 0, output_x, output_y);
1174         output_to_canvas(mwindow->edl, 0, canvas_x1, canvas_y1);
1175         output_to_canvas(mwindow->edl, 0, canvas_x2, canvas_y2);
1176         mwindow->session->cwindow_output_x = roundf(output_x);
1177         mwindow->session->cwindow_output_y = roundf(output_y);
1178
1179         if(button_press && get_buttonpress() == 1)
1180         {
1181                 gui->ruler_handle = -1;
1182                 gui->ruler_translate = 0;
1183                 if(gui->alt_down())
1184                 {
1185                         gui->ruler_translate = 1;
1186                         gui->ruler_origin_x = x1;
1187                         gui->ruler_origin_y = y1;
1188                 }
1189                 else
1190                 if(canvas_cursor_x >= canvas_x1 - RULERHANDLE_W / 2 &&
1191                         canvas_cursor_x < canvas_x1 + RULERHANDLE_W / 2 &&
1192                         canvas_cursor_y >= canvas_y1 - RULERHANDLE_W &&
1193                         canvas_cursor_y < canvas_y1 + RULERHANDLE_H / 2)
1194                 {
1195                         gui->ruler_handle = 0;
1196                         gui->ruler_origin_x = x1;
1197                         gui->ruler_origin_y = y1;
1198                 }
1199                 else
1200                 if(canvas_cursor_x >= canvas_x2 - RULERHANDLE_W / 2 &&
1201                         canvas_cursor_x < canvas_x2 + RULERHANDLE_W / 2 &&
1202                         canvas_cursor_y >= canvas_y2 - RULERHANDLE_W &&
1203                         canvas_cursor_y < canvas_y2 + RULERHANDLE_H / 2)
1204                 {
1205                         gui->ruler_handle = 1;
1206                         gui->ruler_origin_x = x2;
1207                         gui->ruler_origin_y = y2;
1208                 }
1209
1210
1211 // Start new selection
1212                 if(!gui->ruler_translate &&
1213                         (gui->ruler_handle < 0 ||
1214                         (EQUIV(x2, x1) &&
1215                         EQUIV(y2, y1))))
1216                 {
1217 // Hide previous
1218                         do_ruler(1, 0, 0, 0);
1219                         get_canvas()->flash();
1220                         gui->ruler_handle = 1;
1221                         mwindow->edl->session->ruler_x1 = output_x;
1222                         mwindow->edl->session->ruler_y1 = output_y;
1223                         mwindow->edl->session->ruler_x2 = output_x;
1224                         mwindow->edl->session->ruler_y2 = output_y;
1225                         gui->ruler_origin_x = mwindow->edl->session->ruler_x2;
1226                         gui->ruler_origin_y = mwindow->edl->session->ruler_y2;
1227                 }
1228
1229                 gui->x_origin = output_x;
1230                 gui->y_origin = output_y;
1231                 gui->current_operation = CWINDOW_RULER;
1232                 gui->tool_panel->raise_window();
1233                 result = 1;
1234         }
1235
1236         if(motion)
1237         {
1238                 if(gui->current_operation == CWINDOW_RULER)
1239                 {
1240                         if(gui->ruler_translate)
1241                         {
1242 // Hide ruler
1243                                 do_ruler(1, 0, 0, 0);
1244                                 float x_difference = mwindow->edl->session->ruler_x1;
1245                                 float y_difference = mwindow->edl->session->ruler_y1;
1246                                 mwindow->edl->session->ruler_x1 = output_x - gui->x_origin + gui->ruler_origin_x;
1247                                 mwindow->edl->session->ruler_y1 = output_y - gui->y_origin + gui->ruler_origin_y;
1248                                 x_difference -= mwindow->edl->session->ruler_x1;
1249                                 y_difference -= mwindow->edl->session->ruler_y1;
1250                                 mwindow->edl->session->ruler_x2 -= x_difference;
1251                                 mwindow->edl->session->ruler_y2 -= y_difference;
1252 // Show ruler
1253                                 do_ruler(1, 0, 0, 0);
1254                                 get_canvas()->flash();
1255                                 gui->update_tool();
1256                         }
1257                         else
1258                         switch(gui->ruler_handle)
1259                         {
1260                                 case 0:
1261                                         do_ruler(1, 0, 0, 0);
1262                                         mwindow->edl->session->ruler_x1 = output_x - gui->x_origin + gui->ruler_origin_x;
1263                                         mwindow->edl->session->ruler_y1 = output_y - gui->y_origin + gui->ruler_origin_y;
1264                                         if(gui->alt_down() || gui->ctrl_down())
1265                                         {
1266                                                 double angle_value = fabs(atan((mwindow->edl->session->ruler_y2 - mwindow->edl->session->ruler_y1) /
1267                                                         (mwindow->edl->session->ruler_x2 - mwindow->edl->session->ruler_x1)) *
1268                                                         360 /
1269                                                         2 /
1270                                                         M_PI);
1271                                                 double distance_value =
1272                                                         sqrt(SQR(mwindow->edl->session->ruler_x2 - mwindow->edl->session->ruler_x1) +
1273                                                         SQR(mwindow->edl->session->ruler_y2 - mwindow->edl->session->ruler_y1));
1274                                                 if(angle_value < 22)
1275                                                         mwindow->edl->session->ruler_y1 = mwindow->edl->session->ruler_y2;
1276                                                 else
1277                                                 if(angle_value > 67)
1278                                                         mwindow->edl->session->ruler_x1 = mwindow->edl->session->ruler_x2;
1279                                                 else
1280                                                 if(mwindow->edl->session->ruler_x1 < mwindow->edl->session->ruler_x2 &&
1281                                                         mwindow->edl->session->ruler_y1 < mwindow->edl->session->ruler_y2)
1282                                                 {
1283                                                         mwindow->edl->session->ruler_x1 = mwindow->edl->session->ruler_x2 - distance_value / 1.414214;
1284                                                         mwindow->edl->session->ruler_y1 = mwindow->edl->session->ruler_y2 - distance_value / 1.414214;
1285                                                 }
1286                                                 else
1287                                                 if(mwindow->edl->session->ruler_x1 < mwindow->edl->session->ruler_x2 && mwindow->edl->session->ruler_y1 > mwindow->edl->session->ruler_y2)
1288                                                 {
1289                                                         mwindow->edl->session->ruler_x1 = mwindow->edl->session->ruler_x2 - distance_value / 1.414214;
1290                                                         mwindow->edl->session->ruler_y1 = mwindow->edl->session->ruler_y2 + distance_value / 1.414214;
1291                                                 }
1292                                                 else
1293                                                 if(mwindow->edl->session->ruler_x1 > mwindow->edl->session->ruler_x2 &&
1294                                                         mwindow->edl->session->ruler_y1 < mwindow->edl->session->ruler_y2)
1295                                                 {
1296                                                         mwindow->edl->session->ruler_x1 = mwindow->edl->session->ruler_x2 + distance_value / 1.414214;
1297                                                         mwindow->edl->session->ruler_y1 = mwindow->edl->session->ruler_y2 - distance_value / 1.414214;
1298                                                 }
1299                                                 else
1300                                                 {
1301                                                         mwindow->edl->session->ruler_x1 = mwindow->edl->session->ruler_x2 + distance_value / 1.414214;
1302                                                         mwindow->edl->session->ruler_y1 = mwindow->edl->session->ruler_y2 + distance_value / 1.414214;
1303                                                 }
1304                                         }
1305                                         do_ruler(1, 0, 0, 0);
1306                                         get_canvas()->flash();
1307                                         gui->update_tool();
1308                                         break;
1309
1310                                 case 1:
1311                                         do_ruler(1, 0, 0, 0);
1312                                         mwindow->edl->session->ruler_x2 = output_x - gui->x_origin + gui->ruler_origin_x;
1313                                         mwindow->edl->session->ruler_y2 = output_y - gui->y_origin + gui->ruler_origin_y;
1314                                         if(gui->alt_down() || gui->ctrl_down())
1315                                         {
1316                                                 double angle_value = fabs(atan((mwindow->edl->session->ruler_y2 - mwindow->edl->session->ruler_y1) /
1317                                                         (mwindow->edl->session->ruler_x2 - mwindow->edl->session->ruler_x1)) *
1318                                                         360 /
1319                                                         2 /
1320                                                         M_PI);
1321                                                 double distance_value =
1322                                                         sqrt(SQR(mwindow->edl->session->ruler_x2 - mwindow->edl->session->ruler_x1) +
1323                                                         SQR(mwindow->edl->session->ruler_y2 - mwindow->edl->session->ruler_y1));
1324                                                 if(angle_value < 22)
1325                                                         mwindow->edl->session->ruler_y2 = mwindow->edl->session->ruler_y1;
1326                                                 else
1327                                                 if(angle_value > 67)
1328                                                         mwindow->edl->session->ruler_x2 = mwindow->edl->session->ruler_x1;
1329                                                 else
1330                                                 if(mwindow->edl->session->ruler_x2 < mwindow->edl->session->ruler_x1 &&
1331                                                         mwindow->edl->session->ruler_y2 < mwindow->edl->session->ruler_y1)
1332                                                 {
1333                                                         mwindow->edl->session->ruler_x2 = mwindow->edl->session->ruler_x1 - distance_value / 1.414214;
1334                                                         mwindow->edl->session->ruler_y2 = mwindow->edl->session->ruler_y1 - distance_value / 1.414214;
1335                                                 }
1336                                                 else
1337                                                 if(mwindow->edl->session->ruler_x2 < mwindow->edl->session->ruler_x1 &&
1338                                                         mwindow->edl->session->ruler_y2 > mwindow->edl->session->ruler_y1)
1339                                                 {
1340                                                         mwindow->edl->session->ruler_x2 = mwindow->edl->session->ruler_x1 - distance_value / 1.414214;
1341                                                         mwindow->edl->session->ruler_y2 = mwindow->edl->session->ruler_y1 + distance_value / 1.414214;
1342                                                 }
1343                                                 else
1344                                                 if(mwindow->edl->session->ruler_x2 > mwindow->edl->session->ruler_x1 && mwindow->edl->session->ruler_y2 < mwindow->edl->session->ruler_y1)
1345                                                 {
1346                                                         mwindow->edl->session->ruler_x2 = mwindow->edl->session->ruler_x1 + distance_value / 1.414214;
1347                                                         mwindow->edl->session->ruler_y2 = mwindow->edl->session->ruler_y1 - distance_value / 1.414214;
1348                                                 }
1349                                                 else
1350                                                 {
1351                                                         mwindow->edl->session->ruler_x2 = mwindow->edl->session->ruler_x1 + distance_value / 1.414214;
1352                                                         mwindow->edl->session->ruler_y2 = mwindow->edl->session->ruler_y1 + distance_value / 1.414214;
1353                                                 }
1354                                         }
1355                                         do_ruler(1, 0, 0, 0);
1356                                         get_canvas()->flash();
1357                                         gui->update_tool();
1358                                         break;
1359                         }
1360 //printf("CWindowCanvas::do_ruler 2 %f %f %f %f\n", gui->ruler_x1, gui->ruler_y1, gui->ruler_x2, gui->ruler_y2);
1361                 }
1362                 else
1363                 {
1364 // printf("CWindowCanvas::do_ruler 2 %f %f %f %f\n",
1365 // canvas_cursor_x,
1366 // canvas_cursor_y,
1367 // canvas_x1,
1368 // canvas_y1);
1369                         if(canvas_cursor_x >= canvas_x1 - RULERHANDLE_W / 2 &&
1370                                 canvas_cursor_x < canvas_x1 + RULERHANDLE_W / 2 &&
1371                                 canvas_cursor_y >= canvas_y1 - RULERHANDLE_W &&
1372                                 canvas_cursor_y < canvas_y1 + RULERHANDLE_H / 2)
1373                         {
1374                                 set_cursor(UPRIGHT_ARROW_CURSOR);
1375                         }
1376                         else
1377                         if(canvas_cursor_x >= canvas_x2 - RULERHANDLE_W / 2 &&
1378                                 canvas_cursor_x < canvas_x2 + RULERHANDLE_W / 2 &&
1379                                 canvas_cursor_y >= canvas_y2 - RULERHANDLE_W &&
1380                                 canvas_cursor_y < canvas_y2 + RULERHANDLE_H / 2)
1381                         {
1382                                 set_cursor(UPRIGHT_ARROW_CURSOR);
1383                         }
1384                         else
1385                                 set_cursor(CROSS_CURSOR);
1386
1387 // Update current position
1388                         gui->update_tool();
1389                 }
1390         }
1391
1392 // Assume no ruler measurement if 0 length
1393         if(draw && (!EQUIV(x2, x1) || !EQUIV(y2, y1)))
1394         {
1395                 get_canvas()->set_inverse();
1396                 get_canvas()->set_color(WHITE);
1397                 get_canvas()->draw_line((int)canvas_x1,
1398                         (int)canvas_y1,
1399                         (int)canvas_x2,
1400                         (int)canvas_y2);
1401                 get_canvas()->draw_line(roundf(canvas_x1) - RULERHANDLE_W / 2,
1402                         roundf(canvas_y1),
1403                         roundf(canvas_x1) + RULERHANDLE_W / 2,
1404                         roundf(canvas_y1));
1405                 get_canvas()->draw_line(roundf(canvas_x1),
1406                         roundf(canvas_y1) - RULERHANDLE_H / 2,
1407                         roundf(canvas_x1),
1408                         roundf(canvas_y1) + RULERHANDLE_H / 2);
1409                 get_canvas()->draw_line(roundf(canvas_x2) - RULERHANDLE_W / 2,
1410                         roundf(canvas_y2),
1411                         roundf(canvas_x2) + RULERHANDLE_W / 2,
1412                         roundf(canvas_y2));
1413                 get_canvas()->draw_line(roundf(canvas_x2),
1414                         roundf(canvas_y2) - RULERHANDLE_H / 2,
1415                         roundf(canvas_x2),
1416                         roundf(canvas_y2) + RULERHANDLE_H / 2);
1417                 get_canvas()->set_opaque();
1418         }
1419
1420         return result;
1421 }
1422
1423
1424 static inline double line_dist(float cx,float cy, float tx,float ty)
1425 {
1426         double dx = tx-cx, dy = ty-cy;
1427         return sqrt(dx*dx + dy*dy);
1428 }
1429
1430 static inline bool test_bbox(int cx, int cy, int tx, int ty)
1431 {
1432 //      printf("test_bbox %d,%d - %d,%d = %f\n",cx,cy,tx,ty,line_dist(cx,cy,tx,ty));
1433         return (llabs(cx-tx) < CONTROL_W/2 && llabs(cy-ty) < CONTROL_H/2);
1434 }
1435
1436
1437 int CWindowCanvas::do_mask(int &redraw, int &rerender,
1438                 int button_press, int cursor_motion, int draw)
1439 {
1440 // Retrieve points from top recordable track
1441 //printf("CWindowCanvas::do_mask 1\n");
1442         Track *track = gui->cwindow->calculate_mask_track();
1443 //printf("CWindowCanvas::do_mask 2\n");
1444
1445         if(!track) return 0;
1446 //printf("CWindowCanvas::do_mask 3\n");
1447         CWindowMaskGUI *mask_gui = (CWindowMaskGUI *)
1448                 (gui->tool_panel ? gui->tool_panel->tool_gui : 0);
1449         int draw_markers = mask_gui ? mask_gui->markers : 0;
1450         int draw_boundary = mask_gui ? mask_gui->boundary : 0;
1451         MaskAutos *mask_autos = (MaskAutos*)track->automation->autos[AUTOMATION_MASK];
1452         int64_t position = track->to_units(
1453                 mwindow->edl->local_session->get_selectionstart(1),
1454                 0);
1455         Auto *prev_auto = 0;
1456         mask_autos->get_prev_auto(position, PLAY_FORWARD, (Auto *&)prev_auto, 1);
1457         MaskAuto *prev_mask = (MaskAuto *)prev_auto;
1458         MaskPoints points;
1459         int update_points = 1;
1460 // Determine the points based on whether
1461 // new keyframes will be generated or drawing is performed.
1462 // If keyframe generation occurs, use the interpolated mask.
1463 // If no keyframe generation occurs, use the previous mask.
1464         int use_interpolated = 0;
1465         if( button_press || cursor_motion ) {
1466 #ifdef USE_KEYFRAME_SPANNING
1467                 double selection_start = mwindow->edl->local_session->get_selectionstart(0);
1468                 double selection_end = mwindow->edl->local_session->get_selectionend(0);
1469                 int64_t start_pos = track->to_units(selection_start, 0);
1470                 int64_t end_pos = track->to_units(selection_end, 0);
1471                 Auto *first = 0, *last = 0;
1472                 mask_autos->get_prev_auto(start_pos, PLAY_FORWARD, first, 1);
1473                 mask_autos->get_prev_auto(end_pos, PLAY_FORWARD, last, 1);
1474                 if( last == first && (!mwindow->edl->session->auto_keyframes) )
1475                         use_interpolated = 0;
1476                 else
1477 // If keyframe spanning occurs, use the interpolated points.
1478 // If new keyframe is generated, use the interpolated points.
1479                         use_interpolated = 1;
1480
1481 #else
1482                 if( mwindow->edl->session->auto_keyframes )
1483                         use_interpolated = 1;
1484 #endif
1485         }
1486         else
1487                 use_interpolated = 1;
1488
1489         if( use_interpolated ) {
1490 // Interpolate the points to get exactly what is being rendered at this position.
1491                 mask_autos->get_points(&points,
1492                         mwindow->edl->session->cwindow_mask,
1493                         position, PLAY_FORWARD);
1494         }
1495         else {
1496 // Use the prev mask
1497                 prev_mask->get_points(&points,
1498                         mwindow->edl->session->cwindow_mask);
1499         }
1500
1501 // Projector zooms relative to the center of the track output.
1502         float half_track_w = (float)track->track_w / 2;
1503         float half_track_h = (float)track->track_h / 2;
1504 // Translate mask to projection
1505         float projector_x, projector_y, projector_z;
1506         track->automation->get_projector(
1507                 &projector_x, &projector_y, &projector_z,
1508                 position, PLAY_FORWARD);
1509
1510
1511 // Get position of cursor relative to mask
1512         float cursor_x = get_cursor_x(), cursor_y = get_cursor_y();
1513         float mask_cursor_x = cursor_x, mask_cursor_y = cursor_y;
1514         canvas_to_output(mwindow->edl, 0, mask_cursor_x, mask_cursor_y);
1515
1516         projector_x += mwindow->edl->session->output_w / 2;
1517         projector_y += mwindow->edl->session->output_h / 2;
1518         mask_cursor_x = (mask_cursor_x - projector_x) / projector_z + half_track_w;
1519         mask_cursor_y = (mask_cursor_y - projector_y) / projector_z + half_track_h;
1520
1521 // Fix cursor origin
1522         if(button_press) {
1523                 gui->x_origin = mask_cursor_x;
1524                 gui->y_origin = mask_cursor_y;
1525         }
1526
1527         int result = 0;
1528 // Points of closest line
1529         int shortest_point1 = -1;
1530         int shortest_point2 = -1;
1531 // Closest point
1532         int shortest_point = -1;
1533 // Distance to closest line
1534         float shortest_line_distance = BC_INFINITY;
1535 // Distance to closest point
1536         float shortest_point_distance = BC_INFINITY;
1537         int selected_point = -1;
1538         int selected_control_point = -1;
1539         float selected_control_point_distance = BC_INFINITY;
1540         ArrayList<int> x_points;
1541         ArrayList<int> y_points;
1542
1543         if(!cursor_motion) {
1544                 if(draw) {
1545                         get_canvas()->set_color(WHITE);
1546                         get_canvas()->set_inverse();
1547                 }
1548 //printf("CWindowCanvas::do_mask 1 %d\n", points.size());
1549
1550 // Never draw closed polygon and a closed
1551 // polygon is harder to add points to.
1552                 for(int i = 0; i < points.size() && !result; i++) {
1553                         MaskPoint *point1 = points.get(i);
1554                         MaskPoint *point2 = (i >= points.size() - 1) ?
1555                                 points.get(0) : points.get(i + 1);
1556                         if(button_press) {
1557                                 float point_distance1 = line_dist(point1->x,point1->y, mask_cursor_x,mask_cursor_y);
1558                                 if(point_distance1 < shortest_point_distance || shortest_point < 0) {
1559                                         shortest_point_distance = point_distance1;
1560                                         shortest_point = i;
1561                                 }
1562
1563                                 float point_distance2 = line_dist(point2->x,point2->y, mask_cursor_x,mask_cursor_y);
1564                                 if(point_distance2 < shortest_point_distance || shortest_point < 0) {
1565                                         shortest_point_distance = point_distance2;
1566                                         shortest_point = (i >= points.size() - 1) ? 0 : (i + 1);
1567                                 }
1568                         }
1569
1570                         int segments = 1 + line_dist(point1->x,point1->y, point2->x,point2->y);
1571
1572 //printf("CWindowCanvas::do_mask 1 %f, %f -> %f, %f projectorz=%f\n",
1573 //point1->x, point1->y, point2->x, point2->y, projector_z);
1574                         for(int j = 0; j <= segments && !result; j++) {
1575 //printf("CWindowCanvas::do_mask 1 %f, %f -> %f, %f\n", x0, y0, x3, y3);
1576                                 float x0 = point1->x, y0 = point1->y;
1577                                 float x1 = point1->x + point1->control_x2;
1578                                 float y1 = point1->y + point1->control_y2;
1579                                 float x2 = point2->x + point2->control_x1;
1580                                 float y2 = point2->y + point2->control_y1;
1581                                 float x3 = point2->x, y3 = point2->y;
1582                                 float canvas_x0 = (x0 - half_track_w) * projector_z + projector_x;
1583                                 float canvas_y0 = (y0 - half_track_h) * projector_z + projector_y;
1584                                 float canvas_x1 = (x1 - half_track_w) * projector_z + projector_x;
1585                                 float canvas_y1 = (y1 - half_track_h) * projector_z + projector_y;
1586                                 float canvas_x2 = (x2 - half_track_w) * projector_z + projector_x;
1587                                 float canvas_y2 = (y2 - half_track_h) * projector_z + projector_y;
1588                                 float canvas_x3 = (x3 - half_track_w) * projector_z + projector_x;
1589                                 float canvas_y3 = (y3 - half_track_h) * projector_z + projector_y;
1590
1591                                 float t = (float)j / segments;
1592                                 float tpow2 = t * t;
1593                                 float tpow3 = t * t * t;
1594                                 float invt = 1 - t;
1595                                 float invtpow2 = invt * invt;
1596                                 float invtpow3 = invt * invt * invt;
1597
1598                                 float x = (           invtpow3 * x0
1599                                         + 3 * t     * invtpow2 * x1
1600                                         + 3 * tpow2 * invt     * x2
1601                                         +     tpow3            * x3);
1602                                 float y = (           invtpow3 * y0
1603                                         + 3 * t     * invtpow2 * y1
1604                                         + 3 * tpow2 * invt     * y2
1605                                         +     tpow3            * y3);
1606                                 float canvas_x = (x - half_track_w) * projector_z + projector_x;
1607                                 float canvas_y = (y - half_track_h) * projector_z + projector_y;
1608 // Test new point addition
1609                                 if(button_press) {
1610                                         float line_distance = line_dist(x,y, mask_cursor_x,mask_cursor_y);
1611
1612 //printf("CWindowCanvas::do_mask 1 x=%f cursor_x=%f y=%f cursor_y=%f %f %f %d, %d\n",
1613 //  x, cursor_x, y, cursor_y, line_distance, shortest_line_distance, shortest_point1, shortest_point2);
1614                                         if(line_distance < shortest_line_distance ||
1615                                                 shortest_point1 < 0) {
1616                                                 shortest_line_distance = line_distance;
1617                                                 shortest_point1 = i;
1618                                                 shortest_point2 = (i >= points.size() - 1) ? 0 : (i + 1);
1619 //printf("CWindowCanvas::do_mask 2 %f %f %d, %d\n",
1620 //  line_distance, shortest_line_distance, shortest_point1, shortest_point2);
1621                                         }
1622
1623 // Test existing point selection
1624 // Test first point
1625                                         if(gui->ctrl_down()) {
1626                                                 float distance = line_dist(x1,y1, mask_cursor_x,mask_cursor_y);
1627
1628                                                 if(distance < selected_control_point_distance) {
1629                                                         selected_point = i;
1630                                                         selected_control_point = 1;
1631                                                         selected_control_point_distance = distance;
1632                                                 }
1633                                         }
1634                                         else {
1635                                                 if(!gui->shift_down()) {
1636                                                         output_to_canvas(mwindow->edl, 0, canvas_x0, canvas_y0);
1637                                                         if(test_bbox(cursor_x, cursor_y, canvas_x0, canvas_y0)) {
1638                                                                 selected_point = i;
1639                                                         }
1640                                                 }
1641                                                 else {
1642                                                         selected_point = shortest_point;
1643                                                 }
1644                                         }
1645 // Test second point
1646                                         if(gui->ctrl_down()) {
1647                                                 float distance = line_dist(x2,y2, mask_cursor_x,mask_cursor_y);
1648
1649 //printf("CWindowCanvas::do_mask %d %f %f\n", i, distance, selected_control_point_distance);
1650                                                 if(distance < selected_control_point_distance) {
1651                                                         selected_point = (i < points.size() - 1 ? i + 1 : 0);
1652                                                         selected_control_point = 0;
1653                                                         selected_control_point_distance = distance;
1654                                                 }
1655                                         }
1656                                         else if(i < points.size() - 1) {
1657                                                 if(!gui->shift_down()) {
1658                                                         output_to_canvas(mwindow->edl, 0, canvas_x3, canvas_y3);
1659                                                         if(test_bbox(cursor_x, cursor_y, canvas_x3, canvas_y3)) {
1660                                                                 selected_point = (i < points.size() - 1 ? i + 1 : 0);
1661                                                         }
1662                                                 }
1663                                                 else {
1664                                                         selected_point = shortest_point;
1665                                                 }
1666                                         }
1667                                 }
1668
1669                                 output_to_canvas(mwindow->edl, 0, canvas_x, canvas_y);
1670
1671                                 if( j > 0 ) {
1672
1673                                         if( draw ) { // Draw joining line
1674                                                 x_points.append((int)canvas_x);
1675                                                 y_points.append((int)canvas_y);
1676                                         }
1677
1678                                         if( j == segments ) {
1679                                                 if( draw && draw_markers ) { // Draw second anchor
1680                                                         if(i < points.size() - 1) {
1681                                                                 if(i == gui->affected_point - 1)
1682                                                                         get_canvas()->draw_disc(
1683                                                                                 (int)canvas_x - CONTROL_W / 2,
1684                                                                                 (int)canvas_y - CONTROL_W / 2,
1685                                                                                 CONTROL_W, CONTROL_H);
1686                                                                 else
1687                                                                         get_canvas()->draw_circle(
1688                                                                                 (int)canvas_x - CONTROL_W / 2,
1689                                                                                 (int)canvas_y - CONTROL_W / 2,
1690                                                                                 CONTROL_W, CONTROL_H);
1691 // char string[BCTEXTLEN];
1692 // sprintf(string, "%d", (i < points.size() - 1 ? i + 1 : 0));
1693 // canvas->draw_text((int)canvas_x + CONTROL_W, (int)canvas_y + CONTROL_W, string);
1694                                                         }
1695 // Draw second control point.
1696                                                         output_to_canvas(mwindow->edl, 0, canvas_x2, canvas_y2);
1697                                                         get_canvas()->draw_line(
1698                                                                 (int)canvas_x, (int)canvas_y,
1699                                                                 (int)canvas_x2, (int)canvas_y2);
1700                                                         get_canvas()->draw_rectangle(
1701                                                                 (int)canvas_x2 - CONTROL_W / 2,
1702                                                                 (int)canvas_y2 - CONTROL_H / 2,
1703                                                                 CONTROL_W, CONTROL_H);
1704                                                 }
1705                                         }
1706                                 }
1707                                 else {
1708 // Draw first anchor
1709                                         if( i == 0 && draw ) {
1710                                                 if( draw_boundary ) {
1711                                                         char mask_label[BCSTRLEN];
1712                                                         int k = mwindow->edl->session->cwindow_mask;
1713                                                         if( !prev_mask || k < 0 || k >= prev_mask->masks.size() )
1714                                                                 sprintf(mask_label, "%d", k);
1715                                                         else
1716                                                                 sprintf(mask_label, "%s", prev_mask->masks[k]->name);
1717                                                         get_canvas()->draw_text(
1718                                                                 (int)canvas_x - FIRST_CONTROL_W,
1719                                                                 (int)canvas_y - FIRST_CONTROL_H,
1720                                                                 mask_label);
1721                                                 }
1722                                                 if( draw_markers ) {
1723                                                         get_canvas()->draw_disc(
1724                                                                 (int)canvas_x - FIRST_CONTROL_W / 2,
1725                                                                 (int)canvas_y - FIRST_CONTROL_H / 2,
1726                                                                 FIRST_CONTROL_W, FIRST_CONTROL_H);
1727                                                 }
1728                                         }
1729
1730 // Draw first control point.
1731                                         if( draw && draw_markers ) {
1732                                                 output_to_canvas(mwindow->edl, 0, canvas_x1, canvas_y1);
1733                                                 get_canvas()->draw_line(
1734                                                         (int)canvas_x, (int)canvas_y,
1735                                                         (int)canvas_x1, (int)canvas_y1);
1736                                                 get_canvas()->draw_rectangle(
1737                                                         (int)canvas_x1 - CONTROL_W / 2,
1738                                                         (int)canvas_y1 - CONTROL_H / 2,
1739                                                         CONTROL_W, CONTROL_H);
1740
1741                                                 x_points.append((int)canvas_x);
1742                                                 y_points.append((int)canvas_y);
1743                                         }
1744                                 }
1745 //printf("CWindowCanvas::do_mask 1\n");
1746
1747                         }
1748                 }
1749 //printf("CWindowCanvas::do_mask 1\n");
1750
1751                 BC_WindowBase *cvs_win = get_canvas();
1752                 if( draw && draw_boundary ) {
1753                         cvs_win->draw_polygon(&x_points, &y_points);
1754                         cvs_win->set_opaque();
1755                 }
1756                 if( draw && mask_gui && mask_gui->focused ) {
1757                         float fx = atof(mask_gui->focus_x->get_text());
1758                         float fy = atof(mask_gui->focus_y->get_text());
1759                         output_to_canvas(mwindow->edl, 0, fx, fy);
1760                         float r = bmax(cvs_win->get_w(), cvs_win->get_h());
1761                         float d = 0.005*r;
1762 #if 1
1763                         int fw = 2*d+3, fh = fw;
1764                         VFrame focus(fw,fh, BC_RGBA8888);
1765                         focus.transfer_from(gui->focus_frame);
1766                         fx -= fw/2.f;  fy -= fh/2.f;
1767                         BC_Pixmap focus_pixmap(cvs_win, &focus, PIXMAP_ALPHA);
1768                         cvs_win->draw_pixmap(&focus_pixmap,fx,fy);
1769 #else
1770                         cvs_win->set_line_width((int)(0.0025*r) + 1);
1771                         cvs_win->set_color(BLUE);
1772                         cvs_win->draw_line(fx-d,fy-d, fx+d, fy+d);
1773                         cvs_win->draw_line(fx-d,fy+d, fx+d, fy-d);
1774                         cvs_win->set_line_width(0);
1775                         cvs_win->set_color(WHITE);
1776 #endif
1777                 }
1778                 if( draw && mask_gui && draw_markers && points.size() ) {
1779                         float cx = 0, cy = 0;
1780                         int n = points.size();
1781                         for( int i=0; i<n; ++i ) {
1782                                 MaskPoint *point = points.get(i);
1783                                 cx += point->x;  cy += point->y;
1784                         }
1785                         cx /= n;  cy /= n;
1786                         if( !mask_gui->focused )
1787                                 mask_gui->set_focused(0, cx, cy);
1788                         cx = (cx - half_track_w) * projector_z + projector_x;
1789                         cy = (cy - half_track_h) * projector_z + projector_y;
1790                         output_to_canvas(mwindow->edl, 0, cx, cy);
1791                         float r = bmax(cvs_win->get_w(), cvs_win->get_h());
1792                         float d = 0.007*r;
1793                         cvs_win->set_line_width((int)(0.002*r) + 1);
1794                         cvs_win->set_color(ORANGE);
1795                         cvs_win->draw_line(cx-d,cy, cx+d, cy);
1796                         cvs_win->draw_line(cx,cy-d, cx, cy+d);
1797                         cvs_win->set_line_width(0);
1798                         cvs_win->set_color(WHITE);
1799                 }
1800 //printf("CWindowCanvas::do_mask 1\n");
1801         }
1802
1803         if(button_press && !result) {
1804                 gui->affected_track = gui->cwindow->calculate_mask_track();
1805
1806 // Get keyframe outside the EDL to edit.  This must be rendered
1807 // instead of the EDL keyframes when it exists.  Then it must be
1808 // applied to the EDL keyframes on buttonrelease.
1809                 if( gui->affected_track ) {
1810 #ifdef USE_KEYFRAME_SPANNING
1811 // Make copy of current parameters in local keyframe
1812                         gui->mask_keyframe =
1813                                 (MaskAuto*)gui->cwindow->calculate_affected_auto(
1814                                         mask_autos,
1815                                         0);
1816                         gui->orig_mask_keyframe->copy_data(gui->mask_keyframe);
1817 #else
1818
1819                         gui->mask_keyframe =
1820                                 (MaskAuto*)gui->cwindow->calculate_affected_auto(
1821                                         mask_autos,
1822                                         1);
1823 #endif
1824                 }
1825                 SubMask *mask = gui->mask_keyframe->get_submask(mwindow->edl->session->cwindow_mask);
1826
1827                 if( get_buttonpress() == WHEEL_UP || get_buttonpress() == WHEEL_DOWN ) {
1828                         if( !gui->shift_down() ) {
1829                                 mwindow->undo->update_undo_before(_("mask rotate"), this);
1830                                 gui->current_operation = CWINDOW_MASK_ROTATE;
1831                         }
1832                         else {
1833                                 mwindow->undo->update_undo_before(_("mask scale"), this);
1834                                 gui->current_operation = CWINDOW_MASK_SCALE;
1835                         }
1836                         gui->affected_point = 0;
1837                 }
1838                 else
1839 // Translate entire keyframe
1840                 if(gui->alt_down() && mask->points.size()) {
1841                         mwindow->undo->update_undo_before(_("mask translate"), 0);
1842                         gui->current_operation = CWINDOW_MASK_TRANSLATE;
1843                         gui->affected_point = 0;
1844                 }
1845                 else
1846 // Existing point or control point was selected
1847                 if(selected_point >= 0) {
1848                         mwindow->undo->update_undo_before(_("mask adjust"), 0);
1849                         gui->affected_point = selected_point;
1850
1851                         if(selected_control_point == 0)
1852                                 gui->current_operation = CWINDOW_MASK_CONTROL_IN;
1853                         else
1854                         if(selected_control_point == 1)
1855                                 gui->current_operation = CWINDOW_MASK_CONTROL_OUT;
1856                         else
1857                                 gui->current_operation = mwindow->edl->session->cwindow_operation;
1858                 }
1859                 else // No existing point or control point was selected so create a new one
1860                 if(!gui->ctrl_down() && !gui->alt_down()) {
1861                         mwindow->undo->update_undo_before(_("mask point"), 0);
1862 // Create the template
1863                         MaskPoint *point = new MaskPoint;
1864                         point->x = mask_cursor_x;
1865                         point->y = mask_cursor_y;
1866                         point->control_x1 = 0;
1867                         point->control_y1 = 0;
1868                         point->control_x2 = 0;
1869                         point->control_y2 = 0;
1870
1871
1872                         if(shortest_point2 < shortest_point1) {
1873                                 shortest_point2 ^= shortest_point1;
1874                                 shortest_point1 ^= shortest_point2;
1875                                 shortest_point2 ^= shortest_point1;
1876                         }
1877
1878
1879
1880 // printf("CWindowGUI::do_mask 40\n");
1881 // mwindow->edl->dump();
1882 // printf("CWindowGUI::do_mask 50\n");
1883
1884
1885
1886 //printf("CWindowCanvas::do_mask 1 %f %f %d %d\n",
1887 //      shortest_line_distance, shortest_point_distance, shortest_point1, shortest_point2);
1888 //printf("CWindowCanvas::do_mask %d %d\n", shortest_point1, shortest_point2);
1889
1890 // Append to end of list
1891                         if( shortest_point1 == shortest_point2 ||
1892                             labs(shortest_point1 - shortest_point2) > 1) {
1893 #ifdef USE_KEYFRAME_SPANNING
1894
1895                                 MaskPoint *new_point = new MaskPoint;
1896                                 points.append(new_point);
1897                                 *new_point = *point;
1898                                 gui->affected_point = points.size() - 1;
1899
1900 #else
1901
1902 // Need to apply the new point to every keyframe
1903                                 for(MaskAuto *current = (MaskAuto*)mask_autos->default_auto; current; ) {
1904                                         SubMask *submask = current->get_submask(mwindow->edl->session->cwindow_mask);
1905                                         MaskPoint *new_point = new MaskPoint;
1906                                         submask->points.append(new_point);
1907                                         *new_point = *point;
1908                                         if(current == (MaskAuto*)mask_autos->default_auto)
1909                                                 current = (MaskAuto*)mask_autos->first;
1910                                         else
1911                                                 current = (MaskAuto*)NEXT;
1912                                 }
1913                                 gui->affected_point = mask->points.size() - 1;
1914 #endif
1915
1916                                 result = 1;
1917                         }
1918                         else
1919 // Insert between 2 points, shifting back point 2
1920                         if(shortest_point1 >= 0 && shortest_point2 >= 0) {
1921
1922 #ifdef USE_KEYFRAME_SPANNING
1923 // In case the keyframe point count isn't synchronized with the rest of the keyframes,
1924 // avoid a crash.
1925                                 if(points.size() >= shortest_point2) {
1926                                         MaskPoint *new_point = new MaskPoint;
1927                                         points.append(0);
1928                                         for(int i = points.size() - 1;
1929                                                 i > shortest_point2;
1930                                                 i--)
1931                                                 points.values[i] = points.values[i - 1];
1932                                         points.values[shortest_point2] = new_point;
1933
1934                                         *new_point = *point;
1935                                 }
1936
1937 #else
1938
1939                                 for(MaskAuto *current = (MaskAuto*)mask_autos->default_auto; current; ) {
1940                                         SubMask *submask = current->get_submask(mwindow->edl->session->cwindow_mask);
1941 // In case the keyframe point count isn't synchronized with the rest of the keyframes,
1942 // avoid a crash.
1943                                         if(submask->points.size() >= shortest_point2) {
1944                                                 MaskPoint *new_point = new MaskPoint;
1945                                                 submask->points.append(0);
1946                                                 for(int i = submask->points.size() - 1;
1947                                                         i > shortest_point2;
1948                                                         i--)
1949                                                         submask->points.values[i] = submask->points.values[i - 1];
1950                                                 submask->points.values[shortest_point2] = new_point;
1951
1952                                                 *new_point = *point;
1953                                         }
1954
1955                                         if(current == (MaskAuto*)mask_autos->default_auto)
1956                                                 current = (MaskAuto*)mask_autos->first;
1957                                         else
1958                                                 current = (MaskAuto*)NEXT;
1959                                 }
1960
1961 #endif
1962                                 gui->affected_point = shortest_point2;
1963                                 result = 1;
1964                         }
1965
1966
1967 // printf("CWindowGUI::do_mask 20\n");
1968 // mwindow->edl->dump();
1969 // printf("CWindowGUI::do_mask 30\n");
1970
1971                         if(!result) {
1972 //printf("CWindowCanvas::do_mask 1\n");
1973 // Create the first point.
1974 #ifdef USE_KEYFRAME_SPANNING
1975                                 MaskPoint *new_point = new MaskPoint;
1976                                 points.append(new_point);
1977                                 *new_point = *point;
1978                                 gui->affected_point = points.size() - 1;
1979 #else
1980                                 for(MaskAuto *current = (MaskAuto*)mask_autos->default_auto; current; ) {
1981                                         SubMask *submask = current->get_submask(mwindow->edl->session->cwindow_mask);
1982                                         MaskPoint *new_point = new MaskPoint;
1983                                         submask->points.append(new_point);
1984                                         *new_point = *point;
1985                                         if(current == (MaskAuto*)mask_autos->default_auto)
1986                                                 current = (MaskAuto*)mask_autos->first;
1987                                         else
1988                                                 current = (MaskAuto*)NEXT;
1989                                 }
1990                                 gui->affected_point = points.size() - 1;
1991 #endif
1992
1993 //printf("CWindowCanvas::do_mask 3 %d\n", mask->points.size());
1994                         }
1995
1996                         gui->current_operation = mwindow->edl->session->cwindow_operation;
1997 // Delete the template
1998                         delete point;
1999                 }
2000
2001                 result = 1;
2002                 rerender = 1;
2003                 redraw = 1;
2004         }
2005
2006         if(button_press && result) {
2007 #ifdef USE_KEYFRAME_SPANNING
2008                 MaskPoints &mask_points = points;
2009 #else
2010                 SubMask *mask = gui->mask_keyframe->get_submask(mwindow->edl->session->cwindow_mask);
2011                 MaskPoints &mask_points = mask->points;
2012 #endif
2013                 int k = gui->affected_point;
2014                 if( k >= 0 && k < mask_points.size() ) {
2015                         MaskPoint *point = mask_points.values[k];
2016                         gui->center_x = point->x;
2017                         gui->center_y = point->y;
2018                         gui->control_in_x = point->control_x1;
2019                         gui->control_in_y = point->control_y1;
2020                         gui->control_out_x = point->control_x2;
2021                         gui->control_out_y = point->control_y2;
2022                 }
2023                 else {
2024                         gui->center_x = gui->center_y = 0;
2025                         gui->control_in_x = gui->control_in_y = 0;
2026                         gui->control_out_x = gui->control_out_y = 0;
2027                 }
2028                 gui->tool_panel->raise_window();
2029         }
2030
2031 //printf("CWindowCanvas::do_mask 8\n");
2032         if( cursor_motion ) {
2033
2034 #ifdef USE_KEYFRAME_SPANNING
2035 // Must update the reference keyframes for every cursor motion
2036                 gui->mask_keyframe = (MaskAuto*)gui->cwindow->
2037                         calculate_affected_auto(mask_autos, 0);
2038                 gui->orig_mask_keyframe->copy_data(gui->mask_keyframe);
2039 #endif
2040
2041 //printf("CWindowCanvas::do_mask %d %d\n", __LINE__, gui->affected_point);
2042
2043                 SubMask *mask = gui->mask_keyframe->get_submask(mwindow->edl->session->cwindow_mask);
2044                 if( mask && gui->affected_point >= 0 &&
2045                     gui->affected_point < mask->points.size() &&
2046                     gui->current_operation != CWINDOW_NONE ) {
2047 //                      mwindow->undo->update_undo_before(_("mask point"), this);
2048 #ifdef USE_KEYFRAME_SPANNING
2049                         MaskPoints &mask_points = points;
2050 #else
2051                         MaskPoints &mask_points = mask->points;
2052 #endif
2053                         MaskPoint *point = mask_points.get(gui->affected_point);
2054 //                      canvas_to_output(mwindow->edl, 0, cursor_x, cursor_y);
2055 //printf("CWindowCanvas::do_mask 9 %d %d\n", mask_points.size(), gui->affected_point);
2056
2057                         float last_x = point->x;
2058                         float last_y = point->y;
2059                         float last_control_x1 = point->control_x1;
2060                         float last_control_y1 = point->control_y1;
2061                         float last_control_x2 = point->control_x2;
2062                         float last_control_y2 = point->control_y2;
2063                         int rotate = 0;
2064
2065                         switch(gui->current_operation) {
2066                         case CWINDOW_MASK:
2067 //printf("CWindowCanvas::do_mask %d %d\n", __LINE__, gui->affected_point);
2068                                 point->x = mask_cursor_x - gui->x_origin + gui->center_x;
2069                                 point->y = mask_cursor_y - gui->y_origin + gui->center_y;
2070                                 break;
2071
2072                         case CWINDOW_MASK_CONTROL_IN:
2073                                 point->control_x1 = mask_cursor_x - gui->x_origin + gui->control_in_x;
2074                                 point->control_y1 = mask_cursor_y - gui->y_origin + gui->control_in_y;
2075                                 break;
2076
2077                         case CWINDOW_MASK_CONTROL_OUT:
2078                                 point->control_x2 = mask_cursor_x - gui->x_origin + gui->control_out_x;
2079                                 point->control_y2 = mask_cursor_y - gui->y_origin + gui->control_out_y;
2080                                 break;
2081
2082                         case CWINDOW_MASK_TRANSLATE: {
2083                                 if( !mask_gui ) break;
2084                                 int mode = mask_gui->scale_mode;
2085                                 MaskAuto *keyframe = gui->mask_keyframe;
2086                                 int gang = mask_gui->gang_focus->get_value();
2087                                 float dx = mask_cursor_x - gui->x_origin;
2088                                 float dy = mask_cursor_y - gui->y_origin;
2089                                 if( !dx && !dy ) break;
2090                                 int k = mwindow->edl->session->cwindow_mask;
2091                                 int n = gang ? keyframe->masks.size() : k+1;
2092                                 for( int j=gang? 0 : k; j<n; ++j ) {
2093                                         if( !mask_gui->mask_enables[j]->get_value() ) continue;
2094                                         SubMask *sub_mask = keyframe->get_submask(j);
2095                                         if( !sub_mask ) continue;
2096                                         MaskPoints &points = sub_mask->points;
2097                                         for( int i=0; i<points.size(); ++i ) {
2098                                                 MaskPoint *point = points[i];
2099                                                 if( mode == MASK_SCALE_X || mode == MASK_SCALE_XY ) point->x += dx;
2100                                                 if( mode == MASK_SCALE_Y || mode == MASK_SCALE_XY ) point->y += dy;
2101                                         }
2102                                 }
2103                                 gui->x_origin = mask_cursor_x;
2104                                 gui->y_origin = mask_cursor_y;
2105                                 rerender = 1;
2106                                 redraw = 1;
2107                                 update_points = 0;
2108                                 break; }
2109                         case CWINDOW_MASK_ROTATE:
2110                                 rotate = 1;
2111                         case CWINDOW_MASK_SCALE: {
2112                                 if( !mask_gui || !mask_points.size() ) break;
2113                                 float cx = gui->x_origin, cy = gui->y_origin;
2114                                 if( mask_gui->focused ) {
2115                                         cx = atof(mask_gui->focus_x->get_text());
2116                                         cy = atof(mask_gui->focus_y->get_text());
2117                                 }
2118                                 else if( !gui->ctrl_down() ) {
2119                                         cx = cy = 0;
2120                                         int n = mask_points.size();
2121                                         for( int i=0; i<n; ++i ) {
2122                                                 MaskPoint *point = mask_points.values[i];
2123                                                 cx += point->x;  cy += point->y;
2124                                         }
2125                                         cx /= n;  cy /= n;
2126                                         mask_gui->set_focused(0, cx, cy);
2127                                 }
2128                                 gui->x_origin = cx;
2129                                 gui->y_origin = cy;
2130                                 double accel =
2131                                         gui->get_triple_click() ? 8. :
2132                                         gui->get_double_click() ? 4. :
2133                                         1.;
2134                                 int button_no = get_buttonpress();
2135                                 double ds = accel/64., dt = accel*M_PI/360.;
2136                                 double scale = button_no == WHEEL_UP ? 1.+ds : 1.-ds;
2137                                 int mode = mask_gui->scale_mode;
2138                                 double xscale = !rotate && (mode == MASK_SCALE_X ||
2139                                         mode == MASK_SCALE_XY ) ? scale : 1.;
2140                                 double yscale = !rotate && (mode == MASK_SCALE_Y ||
2141                                         mode == MASK_SCALE_XY ) ? scale : 1.;
2142                                 double theta = button_no == WHEEL_UP ? dt : -dt;
2143                                 if( rotate ? theta==0 : scale==1 ) break;
2144                                 float st = sin(theta), ct = cos(theta);
2145                                 MaskAuto *keyframe = gui->mask_keyframe;
2146                                 int gang = mask_gui->gang_focus->get_value();
2147                                 int k = mwindow->edl->session->cwindow_mask;
2148                                 int n = gang ? keyframe->masks.size() : k+1;
2149                                 for( int j=gang? 0 : k; j<n; ++j ) {
2150                                         if( !mask_gui->mask_enables[j]->get_value() ) continue;
2151                                         SubMask *sub_mask = keyframe->get_submask(j);
2152                                         if( !sub_mask ) continue;
2153                                         MaskPoints &points = sub_mask->points;
2154                                         for( int i=0; i<points.size(); ++i ) {
2155                                                 MaskPoint *point = points[i];
2156                                                 float px = point->x - gui->x_origin;
2157                                                 float py = point->y - gui->y_origin;
2158                                                 float nx = !rotate ? px*xscale : px*ct + py*st;
2159                                                 float ny = !rotate ? py*yscale : py*ct - px*st;
2160                                                 point->x = nx + gui->x_origin;
2161                                                 point->y = ny + gui->y_origin;
2162                                                 px = point->control_x1;  py = point->control_y1;
2163                                                 point->control_x1 = !rotate ? px*xscale : px*ct + py*st;
2164                                                 point->control_y1 = !rotate ? py*yscale : py*ct - px*st;
2165                                                 px = point->control_x2;  py = point->control_y2;
2166                                                 point->control_x2 = !rotate ? px*xscale : px*ct + py*st;
2167                                                 point->control_y2 = !rotate ? py*yscale : py*ct - px*st;
2168                                         }
2169                                 }
2170                                 rerender = 1;
2171                                 redraw = 1;
2172                                 update_points = 0;
2173                                 break; }
2174                         }
2175
2176                         if( !(rerender && redraw) && (!EQUIV(last_x, point->x) ||
2177                                 !EQUIV(last_y, point->y) ||
2178                                 !EQUIV(last_control_x1, point->control_x1) ||
2179                                 !EQUIV(last_control_y1, point->control_y1) ||
2180                                 !EQUIV(last_control_x2, point->control_x2) ||
2181                                 !EQUIV(last_control_y2, point->control_y2)) ) {
2182                                 rerender = 1;
2183                                 redraw = 1;
2184                         }
2185                 }
2186                 else
2187                 if(gui->current_operation == CWINDOW_NONE) {
2188 //                      printf("CWindowCanvas::do_mask %d\n", __LINE__);
2189                         int over_point = 0;
2190                         for(int i = 0; i < points.size() && !over_point; i++) {
2191                                 MaskPoint *point = points.get(i);
2192                                 float x0 = point->x;
2193                                 float y0 = point->y;
2194                                 float x1 = point->x + point->control_x1;
2195                                 float y1 = point->y + point->control_y1;
2196                                 float x2 = point->x + point->control_x2;
2197                                 float y2 = point->y + point->control_y2;
2198                                 float canvas_x0 = (x0 - half_track_w) * projector_z + projector_x;
2199                                 float canvas_y0 = (y0 - half_track_h) * projector_z + projector_y;
2200
2201                                 output_to_canvas(mwindow->edl, 0, canvas_x0, canvas_y0);
2202                                 if(test_bbox(cursor_x, cursor_y, canvas_x0, canvas_y0)) {
2203                                         over_point = 1;
2204                                 }
2205
2206                                 if(!over_point && gui->ctrl_down()) {
2207                                         float canvas_x1 = (x1 - half_track_w) * projector_z + projector_x;
2208                                         float canvas_y1 = (y1 - half_track_h) * projector_z + projector_y;
2209                                         output_to_canvas(mwindow->edl, 0, canvas_x1, canvas_y1);
2210                                         if(test_bbox(cursor_x, cursor_y, canvas_x1, canvas_y1)) {
2211                                                 over_point = 1;
2212                                         }
2213                                         else {
2214                                                 float canvas_x2 = (x2 - half_track_w) * projector_z + projector_x;
2215                                                 float canvas_y2 = (y2 - half_track_h) * projector_z + projector_y;
2216                                                 output_to_canvas(mwindow->edl, 0, canvas_x2, canvas_y2);
2217                                                 if(test_bbox(cursor_x, cursor_y, canvas_x2, canvas_y2)) {
2218                                                         over_point = 1;
2219                                                 }
2220                                         }
2221                                 }
2222                         }
2223
2224                         set_cursor( over_point ? ARROW_CURSOR : CROSS_CURSOR );
2225                 }
2226
2227                 result = 1;
2228         }
2229 //printf("CWindowCanvas::do_mask 2 %d %d %d\n", result, rerender, redraw);
2230
2231
2232 #ifdef USE_KEYFRAME_SPANNING
2233 // Must commit change after operation.
2234         if(rerender && track) {
2235 // Swap EDL keyframe with original.
2236 // Apply new values to keyframe span
2237                 MaskAuto temp_keyframe(mwindow->edl, mask_autos);
2238                 temp_keyframe.copy_data(gui->mask_keyframe);
2239 // Apply interpolated points back to keyframe
2240                 if( update_points )
2241                         temp_keyframe.set_points(&points, mwindow->edl->session->cwindow_mask);
2242                 gui->mask_keyframe->copy_data(gui->orig_mask_keyframe);
2243                 mask_autos->update_parameter(&temp_keyframe);
2244         }
2245 #endif
2246 //printf("CWindowCanvas::do_mask 20\n");
2247
2248         if( draw && draw_boundary && !draw_markers ) {
2249                 BC_WindowBase *cvs_win = get_canvas();
2250                 cvs_win->set_inverse();
2251                 cvs_win->set_color(RED+GREEN);
2252                 for( int k=0; k<SUBMASKS; ++k ) {
2253                         if( k == mwindow->edl->session->cwindow_mask ) continue;
2254                         points.remove_all_objects();
2255                         if( use_interpolated )
2256                                 mask_autos->get_points(&points, k, position, PLAY_FORWARD);
2257                         else
2258                                 prev_mask->get_points(&points, k);
2259                         MaskEdge edge;
2260                         edge.load(points, 0);
2261                         for( int i=0; i<edge.size(); ++i ) {
2262                                 MaskCoord a = edge[i];
2263                                 MaskCoord b = i<edge.size()-1 ? edge[i+1] : edge[0];
2264                                 float ax = a.x, ay = a.y;
2265                                 float bx = b.x, by = b.y;
2266                                 output_to_canvas(mwindow->edl, 0, ax, ay);
2267                                 output_to_canvas(mwindow->edl, 0, bx, by);
2268                                 cvs_win->draw_line(ax,ay, bx,by);
2269                         }
2270                 }
2271         }
2272
2273         return result;
2274 }
2275
2276 int CWindowCanvas::do_mask_focus()
2277 {
2278         CWindowMaskGUI *mask_gui = (CWindowMaskGUI*) gui->tool_panel->tool_gui;
2279         float cx = get_cursor_x(), cy = get_cursor_y();
2280         canvas_to_output(mwindow->edl, 0, cx, cy);
2281         mask_gui->set_focused(1, cx, cy);
2282         return 1;
2283 }
2284
2285 int CWindowCanvas::do_eyedrop(int &rerender, int button_press, int draw)
2286 {
2287         int result = 0;
2288         int radius = mwindow->edl->session->eyedrop_radius;
2289         int row1 = 0;
2290         int row2 = 0;
2291         int column1 = 0;
2292         int column2 = 0;
2293
2294
2295
2296         if(refresh_frame && refresh_frame->get_w()>0 && refresh_frame->get_h()>0)
2297         {
2298
2299                 if(draw)
2300                 {
2301                         row1 = gui->eyedrop_y - radius;
2302                         row2 = gui->eyedrop_y + radius;
2303                         column1 = gui->eyedrop_x - radius;
2304                         column2 = gui->eyedrop_x + radius;
2305
2306                         CLAMP(row1, 0, refresh_frame->get_h() - 1);
2307                         CLAMP(row2, 0, refresh_frame->get_h() - 1);
2308                         CLAMP(column1, 0, refresh_frame->get_w() - 1);
2309                         CLAMP(column2, 0, refresh_frame->get_w() - 1);
2310
2311                         if(row2 <= row1) row2 = row1 + 1;
2312                         if(column2 <= column1) column2 = column1 + 1;
2313
2314                         float x1 = column1;
2315                         float y1 = row1;
2316                         float x2 = column2;
2317                         float y2 = row2;
2318
2319                         output_to_canvas(mwindow->edl, 0, x1, y1);
2320                         output_to_canvas(mwindow->edl, 0, x2, y2);
2321 //printf("CWindowCanvas::do_eyedrop %d %f %f %f %f\n", __LINE__, x1, x2, y1, y2);
2322
2323                         if(x2 - x1 >= 1 && y2 - y1 >= 1)
2324                         {
2325                                 get_canvas()->set_inverse();
2326                                 get_canvas()->set_color(WHITE);
2327
2328                                 get_canvas()->draw_rectangle((int)x1,
2329                                         (int)y1,
2330                                         (int)(x2 - x1),
2331                                         (int)(y2 - y1));
2332
2333                                 get_canvas()->set_opaque();
2334                                 get_canvas()->flash();
2335                         }
2336                         return 0;
2337                 }
2338         }
2339
2340         if(button_press)
2341         {
2342                 gui->current_operation = CWINDOW_EYEDROP;
2343                 gui->tool_panel->raise_window();
2344         }
2345
2346         if(gui->current_operation == CWINDOW_EYEDROP)
2347         {
2348                 mwindow->undo->update_undo_before(_("Eyedrop"), this);
2349
2350 // Get color out of frame.
2351 // Doesn't work during playback because that bypasses the refresh frame.
2352                 if(refresh_frame && refresh_frame->get_w()>0 && refresh_frame->get_h()>0)
2353                 {
2354                         float cursor_x = get_cursor_x();
2355                         float cursor_y = get_cursor_y();
2356                         canvas_to_output(mwindow->edl, 0, cursor_x, cursor_y);
2357                         CLAMP(cursor_x, 0, refresh_frame->get_w() - 1);
2358                         CLAMP(cursor_y, 0, refresh_frame->get_h() - 1);
2359
2360                         row1 = cursor_y - radius;
2361                         row2 = cursor_y + radius;
2362                         column1 = cursor_x - radius;
2363                         column2 = cursor_x + radius;
2364                         CLAMP(row1, 0, refresh_frame->get_h() - 1);
2365                         CLAMP(row2, 0, refresh_frame->get_h() - 1);
2366                         CLAMP(column1, 0, refresh_frame->get_w() - 1);
2367                         CLAMP(column2, 0, refresh_frame->get_w() - 1);
2368                         if(row2 <= row1) row2 = row1 + 1;
2369                         if(column2 <= column1) column2 = column1 + 1;
2370
2371
2372 // hide it
2373                         if(gui->eyedrop_visible)
2374                         {
2375                                 int temp;
2376                                 do_eyedrop(temp, 0, 1);
2377                                 gui->eyedrop_visible = 0;
2378                         }
2379
2380                         gui->eyedrop_x = cursor_x;
2381                         gui->eyedrop_y = cursor_y;
2382
2383 // show it
2384                         {
2385                                 int temp;
2386                                 do_eyedrop(temp, 0, 1);
2387                                 gui->eyedrop_visible = 1;
2388                         }
2389
2390 // Decompression coefficients straight out of jpeglib
2391 #define V_TO_R    1.40200
2392 #define V_TO_G    -0.71414
2393
2394 #define U_TO_G    -0.34414
2395 #define U_TO_B    1.77200
2396
2397 #define GET_COLOR(type, components, max, do_yuv) \
2398 { \
2399         type *row = (type*)(refresh_frame->get_rows()[i]) + \
2400                 j * components; \
2401         float red = (float)*row++ / max; \
2402         float green = (float)*row++ / max; \
2403         float blue = (float)*row++ / max; \
2404         if(do_yuv) \
2405         { \
2406                 float r = red + V_TO_R * (blue - 0.5); \
2407                 float g = red + U_TO_G * (green - 0.5) + V_TO_G * (blue - 0.5); \
2408                 float b = red + U_TO_B * (green - 0.5); \
2409                 mwindow->edl->local_session->red += r; \
2410                 mwindow->edl->local_session->green += g; \
2411                 mwindow->edl->local_session->blue += b; \
2412                 if(r > mwindow->edl->local_session->red_max) mwindow->edl->local_session->red_max = r; \
2413                 if(g > mwindow->edl->local_session->green_max) mwindow->edl->local_session->green_max = g; \
2414                 if(b > mwindow->edl->local_session->blue_max) mwindow->edl->local_session->blue_max = b; \
2415         } \
2416         else \
2417         { \
2418                 mwindow->edl->local_session->red += red; \
2419                 mwindow->edl->local_session->green += green; \
2420                 mwindow->edl->local_session->blue += blue; \
2421                 if(red > mwindow->edl->local_session->red_max) mwindow->edl->local_session->red_max = red; \
2422                 if(green > mwindow->edl->local_session->green_max) mwindow->edl->local_session->green_max = green; \
2423                 if(blue > mwindow->edl->local_session->blue_max) mwindow->edl->local_session->blue_max = blue; \
2424         } \
2425 }
2426
2427
2428
2429                         mwindow->edl->local_session->red = 0;
2430                         mwindow->edl->local_session->green = 0;
2431                         mwindow->edl->local_session->blue = 0;
2432                         mwindow->edl->local_session->red_max = 0;
2433                         mwindow->edl->local_session->green_max = 0;
2434                         mwindow->edl->local_session->blue_max = 0;
2435                         for(int i = row1; i < row2; i++)
2436                         {
2437                                 for(int j = column1; j < column2; j++)
2438                                 {
2439                                         switch(refresh_frame->get_color_model())
2440                                         {
2441                                                 case BC_YUV888:
2442                                                         GET_COLOR(unsigned char, 3, 0xff, 1);
2443                                                         break;
2444                                                 case BC_YUVA8888:
2445                                                         GET_COLOR(unsigned char, 4, 0xff, 1);
2446                                                         break;
2447                                                 case BC_YUV161616:
2448                                                         GET_COLOR(uint16_t, 3, 0xffff, 1);
2449                                                         break;
2450                                                 case BC_YUVA16161616:
2451                                                         GET_COLOR(uint16_t, 4, 0xffff, 1);
2452                                                         break;
2453                                                 case BC_RGB888:
2454                                                         GET_COLOR(unsigned char, 3, 0xff, 0);
2455                                                         break;
2456                                                 case BC_RGBA8888:
2457                                                         GET_COLOR(unsigned char, 4, 0xff, 0);
2458                                                         break;
2459                                                 case BC_RGB_FLOAT:
2460                                                         GET_COLOR(float, 3, 1.0, 0);
2461                                                         break;
2462                                                 case BC_RGBA_FLOAT:
2463                                                         GET_COLOR(float, 4, 1.0, 0);
2464                                                         break;
2465                                         }
2466                                 }
2467                         }
2468
2469                         mwindow->edl->local_session->red /= (row2 - row1) * (column2 - column1);
2470                         mwindow->edl->local_session->green /= (row2 - row1) * (column2 - column1);
2471                         mwindow->edl->local_session->blue /= (row2 - row1) * (column2 - column1);
2472
2473                 }
2474                 else
2475                 {
2476                         mwindow->edl->local_session->red = 0;
2477                         mwindow->edl->local_session->green = 0;
2478                         mwindow->edl->local_session->blue = 0;
2479                         gui->eyedrop_visible = 0;
2480                 }
2481
2482
2483                 gui->update_tool();
2484
2485
2486
2487                 result = 1;
2488 // Can't rerender since the color value is from the output of any effect it
2489 // goes into.
2490 //              rerender = 1;
2491                 mwindow->undo->update_undo_after(_("Eyedrop"), LOAD_SESSION);
2492         }
2493
2494         return result;
2495 }
2496
2497 int CWindowCanvas::need_overlays()
2498 {
2499         if( mwindow->edl->session->safe_regions ) return 1;
2500         if( mwindow->edl->session->cwindow_scrollbars ) return 1;
2501         if( gui->highlighted ) return 1;
2502         switch( mwindow->edl->session->cwindow_operation ) {
2503                 case CWINDOW_EYEDROP:
2504                         if( ! gui->eyedrop_visible ) break;
2505                 case CWINDOW_CAMERA:
2506                 case CWINDOW_PROJECTOR:
2507                 case CWINDOW_CROP:
2508                 case CWINDOW_MASK:
2509                 case CWINDOW_RULER:
2510                         return 1;
2511         }
2512         return 0;
2513 }
2514
2515 void CWindowCanvas::draw_overlays()
2516 {
2517         if(mwindow->edl->session->safe_regions)
2518         {
2519                 draw_safe_regions();
2520         }
2521
2522         if(mwindow->edl->session->cwindow_scrollbars)
2523         {
2524 // Always draw output rectangle
2525                 float x1, y1, x2, y2;
2526                 x1 = 0;
2527                 x2 = mwindow->edl->session->output_w;
2528                 y1 = 0;
2529                 y2 = mwindow->edl->session->output_h;
2530                 output_to_canvas(mwindow->edl, 0, x1, y1);
2531                 output_to_canvas(mwindow->edl, 0, x2, y2);
2532
2533                 get_canvas()->set_inverse();
2534                 get_canvas()->set_color(WHITE);
2535
2536                 get_canvas()->draw_rectangle((int)x1,
2537                                 (int)y1,
2538                                 (int)(x2 - x1),
2539                                 (int)(y2 - y1));
2540
2541                 get_canvas()->set_opaque();
2542         }
2543
2544         if(gui->highlighted)
2545         {
2546                 get_canvas()->set_color(WHITE);
2547                 get_canvas()->set_inverse();
2548                 get_canvas()->draw_rectangle(0, 0, get_canvas()->get_w(), get_canvas()->get_h());
2549                 get_canvas()->draw_rectangle(1, 1, get_canvas()->get_w() - 2, get_canvas()->get_h() - 2);
2550                 get_canvas()->set_opaque();
2551         }
2552
2553         int temp1 = 0, temp2 = 0;
2554 //printf("CWindowCanvas::draw_overlays 1 %d\n", mwindow->edl->session->cwindow_operation);
2555         switch(mwindow->edl->session->cwindow_operation)
2556         {
2557                 case CWINDOW_CAMERA:
2558                         draw_outlines(1);
2559                         break;
2560
2561                 case CWINDOW_PROJECTOR:
2562                         draw_outlines(0);
2563                         break;
2564
2565                 case CWINDOW_CROP:
2566                         draw_crop();
2567                         break;
2568
2569                 case CWINDOW_MASK:
2570                         do_mask(temp1, temp2, 0, 0, 1);
2571                         break;
2572
2573                 case CWINDOW_RULER:
2574                         do_ruler(1, 0, 0, 0);
2575                         break;
2576
2577                 case CWINDOW_EYEDROP:
2578                 if(gui->eyedrop_visible)
2579                 {
2580                         int rerender;
2581                         do_eyedrop(rerender, 0, 1);
2582                         gui->eyedrop_visible = 1;
2583                         break;
2584                 }
2585         }
2586 }
2587
2588 void CWindowCanvas::draw_safe_regions()
2589 {
2590         float action_x1, action_x2, action_y1, action_y2;
2591         float title_x1, title_x2, title_y1, title_y2;
2592
2593         action_x1 = mwindow->edl->session->output_w / 2 - mwindow->edl->session->output_w / 2 * 0.9;
2594         action_x2 = mwindow->edl->session->output_w / 2 + mwindow->edl->session->output_w / 2 * 0.9;
2595         action_y1 = mwindow->edl->session->output_h / 2 - mwindow->edl->session->output_h / 2 * 0.9;
2596         action_y2 = mwindow->edl->session->output_h / 2 + mwindow->edl->session->output_h / 2 * 0.9;
2597         title_x1 = mwindow->edl->session->output_w / 2 - mwindow->edl->session->output_w / 2 * 0.8;
2598         title_x2 = mwindow->edl->session->output_w / 2 + mwindow->edl->session->output_w / 2 * 0.8;
2599         title_y1 = mwindow->edl->session->output_h / 2 - mwindow->edl->session->output_h / 2 * 0.8;
2600         title_y2 = mwindow->edl->session->output_h / 2 + mwindow->edl->session->output_h / 2 * 0.8;
2601
2602         output_to_canvas(mwindow->edl, 0, action_x1, action_y1);
2603         output_to_canvas(mwindow->edl, 0, action_x2, action_y2);
2604         output_to_canvas(mwindow->edl, 0, title_x1, title_y1);
2605         output_to_canvas(mwindow->edl, 0, title_x2, title_y2);
2606
2607         get_canvas()->set_inverse();
2608         get_canvas()->set_color(WHITE);
2609
2610         get_canvas()->draw_rectangle((int)action_x1,
2611                         (int)action_y1,
2612                         (int)(action_x2 - action_x1),
2613                         (int)(action_y2 - action_y1));
2614         get_canvas()->draw_rectangle((int)title_x1,
2615                         (int)title_y1,
2616                         (int)(title_x2 - title_x1),
2617                         (int)(title_y2 - title_y1));
2618
2619         get_canvas()->set_opaque();
2620 }
2621
2622
2623 void CWindowCanvas::create_keyframe(int do_camera)
2624 {
2625         Track *affected_track = gui->cwindow->calculate_affected_track();
2626         if( affected_track ) {
2627                 double pos = mwindow->edl->local_session->get_selectionstart(1);
2628                 int64_t position = affected_track->to_units(pos, 0);
2629                 int ix = do_camera ? AUTOMATION_CAMERA_X : AUTOMATION_PROJECTOR_X;
2630                 int iy = do_camera ? AUTOMATION_CAMERA_Y : AUTOMATION_PROJECTOR_Y;
2631                 int iz = do_camera ? AUTOMATION_CAMERA_Z : AUTOMATION_PROJECTOR_Z;
2632                 FloatAuto *prev, *next;
2633                 FloatAutos **autos = (FloatAutos**)affected_track->automation->autos;
2634                 FloatAutos *x_autos = autos[ix];  prev = 0;  next = 0;
2635                 float x_value = x_autos->get_value(position, PLAY_FORWARD, prev, next);
2636                 FloatAutos *y_autos = autos[iy];  prev = 0;  next = 0;
2637                 float y_value = y_autos->get_value(position, PLAY_FORWARD, prev, next);
2638                 FloatAutos *z_autos = autos[iz];  prev = 0;  next = 0;
2639                 float z_value = z_autos->get_value(position, PLAY_FORWARD, prev, next);
2640                 FloatAuto *x_keyframe = 0, *y_keyframe = 0, *z_keyframe = 0;
2641
2642                 gui->cwindow->calculate_affected_autos(affected_track,
2643                         &x_keyframe, &y_keyframe, &z_keyframe,
2644                         do_camera, -1, -1, -1, 0);
2645                 x_keyframe->set_value(x_value);
2646                 y_keyframe->set_value(y_value);
2647                 z_keyframe->set_value(z_value);
2648
2649                 gui->sync_parameters(CHANGE_PARAMS, 1, 1);
2650         }
2651 }
2652
2653 void CWindowCanvas::camera_keyframe() { create_keyframe(1); }
2654 void CWindowCanvas::projector_keyframe() { create_keyframe(0); }
2655
2656 void CWindowCanvas::reset_keyframe(int do_camera)
2657 {
2658         Track *affected_track = gui->cwindow->calculate_affected_track();
2659         if( affected_track ) {
2660                 FloatAuto *x_keyframe = 0, *y_keyframe = 0, *z_keyframe = 0;
2661                 gui->cwindow->calculate_affected_autos(affected_track,
2662                         &x_keyframe, &y_keyframe, &z_keyframe,
2663                         do_camera, 1, 1, 1);
2664
2665                 x_keyframe->set_value(0);
2666                 y_keyframe->set_value(0);
2667                 z_keyframe->set_value(1);
2668
2669                 gui->sync_parameters(CHANGE_PARAMS, 1, 1);
2670         }
2671 }
2672
2673 void CWindowCanvas::reset_camera() { reset_keyframe(1); }
2674 void CWindowCanvas::reset_projector() { reset_keyframe(0); }
2675
2676
2677 int CWindowCanvas::test_crop(int button_press, int &redraw)
2678 {
2679         int result = 0;
2680         int handle_selected = -1;
2681         float x1 = mwindow->edl->session->crop_x1;
2682         float y1 = mwindow->edl->session->crop_y1;
2683         float x2 = mwindow->edl->session->crop_x2;
2684         float y2 = mwindow->edl->session->crop_y2;
2685         float cursor_x = get_cursor_x();
2686         float cursor_y = get_cursor_y();
2687         float canvas_x1 = x1;
2688         float canvas_y1 = y1;
2689         float canvas_x2 = x2;
2690         float canvas_y2 = y2;
2691         float canvas_cursor_x = cursor_x;
2692         float canvas_cursor_y = cursor_y;
2693
2694         canvas_to_output(mwindow->edl, 0, cursor_x, cursor_y);
2695 // Use screen normalized coordinates for hot spot tests.
2696         output_to_canvas(mwindow->edl, 0, canvas_x1, canvas_y1);
2697         output_to_canvas(mwindow->edl, 0, canvas_x2, canvas_y2);
2698
2699
2700         if(gui->current_operation == CWINDOW_CROP)
2701         {
2702                 handle_selected = gui->crop_handle;
2703         }
2704         else
2705         if(canvas_cursor_x >= canvas_x1 && canvas_cursor_x < canvas_x1 + CROPHANDLE_W &&
2706                 canvas_cursor_y >= canvas_y1 && canvas_cursor_y < canvas_y1 + CROPHANDLE_H)
2707         {
2708                 handle_selected = 0;
2709                 gui->crop_origin_x = x1;
2710                 gui->crop_origin_y = y1;
2711         }
2712         else
2713         if(canvas_cursor_x >= canvas_x2 - CROPHANDLE_W && canvas_cursor_x < canvas_x2 &&
2714                 canvas_cursor_y >= canvas_y1 && canvas_cursor_y < canvas_y1 + CROPHANDLE_H)
2715         {
2716                 handle_selected = 1;
2717                 gui->crop_origin_x = x2;
2718                 gui->crop_origin_y = y1;
2719         }
2720         else
2721         if(canvas_cursor_x >= canvas_x1 && canvas_cursor_x < canvas_x1 + CROPHANDLE_W &&
2722                 canvas_cursor_y >= canvas_y2 - CROPHANDLE_H && canvas_cursor_y < canvas_y2)
2723         {
2724                 handle_selected = 2;
2725                 gui->crop_origin_x = x1;
2726                 gui->crop_origin_y = y2;
2727         }
2728         else
2729         if(canvas_cursor_x >= canvas_x2 - CROPHANDLE_W && canvas_cursor_x < canvas_x2 &&
2730                 canvas_cursor_y >= canvas_y2 - CROPHANDLE_H && canvas_cursor_y < canvas_y2)
2731         {
2732                 handle_selected = 3;
2733                 gui->crop_origin_x = x2;
2734                 gui->crop_origin_y = y2;
2735         }
2736         else
2737 // Start new box
2738         {
2739                 gui->crop_origin_x = cursor_x;
2740                 gui->crop_origin_y = cursor_y;
2741         }
2742
2743 // printf("test crop %d %d\n",
2744 //      gui->current_operation,
2745 //      handle_selected);
2746
2747 // Start dragging.
2748         if(button_press)
2749         {
2750                 if(gui->alt_down())
2751                 {
2752                         gui->crop_translate = 1;
2753                         gui->crop_origin_x1 = x1;
2754                         gui->crop_origin_y1 = y1;
2755                         gui->crop_origin_x2 = x2;
2756                         gui->crop_origin_y2 = y2;
2757                 }
2758                 else
2759                         gui->crop_translate = 0;
2760
2761                 gui->current_operation = CWINDOW_CROP;
2762                 gui->crop_handle = handle_selected;
2763                 gui->x_origin = cursor_x;
2764                 gui->y_origin = cursor_y;
2765                 gui->tool_panel->raise_window();
2766                 result = 1;
2767
2768                 if(handle_selected < 0 && !gui->crop_translate)
2769                 {
2770                         x2 = x1 = cursor_x;
2771                         y2 = y1 = cursor_y;
2772                         mwindow->edl->session->crop_x1 = (int)x1;
2773                         mwindow->edl->session->crop_y1 = (int)y1;
2774                         mwindow->edl->session->crop_x2 = (int)x2;
2775                         mwindow->edl->session->crop_y2 = (int)y2;
2776                         redraw = 1;
2777                 }
2778         }
2779         else
2780 // Translate all 4 points
2781         if(gui->current_operation == CWINDOW_CROP && gui->crop_translate)
2782         {
2783                 x1 = cursor_x - gui->x_origin + gui->crop_origin_x1;
2784                 y1 = cursor_y - gui->y_origin + gui->crop_origin_y1;
2785                 x2 = cursor_x - gui->x_origin + gui->crop_origin_x2;
2786                 y2 = cursor_y - gui->y_origin + gui->crop_origin_y2;
2787
2788                 mwindow->edl->session->crop_x1 = (int)x1;
2789                 mwindow->edl->session->crop_y1 = (int)y1;
2790                 mwindow->edl->session->crop_x2 = (int)x2;
2791                 mwindow->edl->session->crop_y2 = (int)y2;
2792                 result = 1;
2793                 redraw = 1;
2794         }
2795         else
2796 // Update dragging
2797         if(gui->current_operation == CWINDOW_CROP)
2798         {
2799                 switch(gui->crop_handle)
2800                 {
2801                         case -1:
2802                                 x1 = gui->crop_origin_x;
2803                                 y1 = gui->crop_origin_y;
2804                                 x2 = gui->crop_origin_x;
2805                                 y2 = gui->crop_origin_y;
2806                                 if(cursor_x < gui->x_origin)
2807                                 {
2808                                         if(cursor_y < gui->y_origin)
2809                                         {
2810                                                 x1 = cursor_x;
2811                                                 y1 = cursor_y;
2812                                         }
2813                                         else
2814                                         if(cursor_y >= gui->y_origin)
2815                                         {
2816                                                 x1 = cursor_x;
2817                                                 y2 = cursor_y;
2818                                         }
2819                                 }
2820                                 else
2821                                 if(cursor_x  >= gui->x_origin)
2822                                 {
2823                                         if(cursor_y < gui->y_origin)
2824                                         {
2825                                                 y1 = cursor_y;
2826                                                 x2 = cursor_x;
2827                                         }
2828                                         else
2829                                         if(cursor_y >= gui->y_origin)
2830                                         {
2831                                                 x2 = cursor_x;
2832                                                 y2 = cursor_y;
2833                                         }
2834                                 }
2835
2836 // printf("test crop %d %d %d %d\n",
2837 //      mwindow->edl->session->crop_x1,
2838 //      mwindow->edl->session->crop_y1,
2839 //      mwindow->edl->session->crop_x2,
2840 //      mwindow->edl->session->crop_y2);
2841                                 break;
2842                         case 0:
2843                                 x1 = cursor_x - gui->x_origin + gui->crop_origin_x;
2844                                 y1 = cursor_y - gui->y_origin + gui->crop_origin_y;
2845                                 break;
2846                         case 1:
2847                                 x2 = cursor_x - gui->x_origin + gui->crop_origin_x;
2848                                 y1 = cursor_y - gui->y_origin + gui->crop_origin_y;
2849                                 break;
2850                         case 2:
2851                                 x1 = cursor_x - gui->x_origin + gui->crop_origin_x;
2852                                 y2 = cursor_y - gui->y_origin + gui->crop_origin_y;
2853                                 break;
2854                         case 3:
2855                                 x2 = cursor_x - gui->x_origin + gui->crop_origin_x;
2856                                 y2 = cursor_y - gui->y_origin + gui->crop_origin_y;
2857                                 break;
2858                 }
2859
2860                 if(!EQUIV(mwindow->edl->session->crop_x1, x1) ||
2861                         !EQUIV(mwindow->edl->session->crop_x2, x2) ||
2862                         !EQUIV(mwindow->edl->session->crop_y1, y1) ||
2863                         !EQUIV(mwindow->edl->session->crop_y2, y2))
2864                 {
2865                         if (x1 > x2)
2866                         {
2867                                 float tmp = x1;
2868                                 x1 = x2;
2869                                 x2 = tmp;
2870                                 switch (gui->crop_handle)
2871                                 {
2872                                         case 0: gui->crop_handle = 1; break;
2873                                         case 1: gui->crop_handle = 0; break;
2874                                         case 2: gui->crop_handle = 3; break;
2875                                         case 3: gui->crop_handle = 2; break;
2876                                         default: break;
2877                                 }
2878                         }
2879
2880                         if (y1 > y2)
2881                         {
2882                                 float tmp = y1;
2883                                 y1 = y2;
2884                                 y2 = tmp;
2885                                 switch (gui->crop_handle)
2886                                 {
2887                                         case 0: gui->crop_handle = 2; break;
2888                                         case 1: gui->crop_handle = 3; break;
2889                                         case 2: gui->crop_handle = 0; break;
2890                                         case 3: gui->crop_handle = 1; break;
2891                                         default: break;
2892                                 }
2893                         }
2894
2895                         mwindow->edl->session->crop_x1 = (int)x1;
2896                         mwindow->edl->session->crop_y1 = (int)y1;
2897                         mwindow->edl->session->crop_x2 = (int)x2;
2898                         mwindow->edl->session->crop_y2 = (int)y2;
2899                         result = 1;
2900                         redraw = 1;
2901                 }
2902         }
2903         else
2904 // Update cursor font
2905         if(handle_selected >= 0)
2906         {
2907                 switch(handle_selected)
2908                 {
2909                         case 0:
2910                                 set_cursor(UPLEFT_RESIZE);
2911                                 break;
2912                         case 1:
2913                                 set_cursor(UPRIGHT_RESIZE);
2914                                 break;
2915                         case 2:
2916                                 set_cursor(DOWNLEFT_RESIZE);
2917                                 break;
2918                         case 3:
2919                                 set_cursor(DOWNRIGHT_RESIZE);
2920                                 break;
2921                 }
2922                 result = 1;
2923         }
2924         else
2925         {
2926                 set_cursor(ARROW_CURSOR);
2927         }
2928 #define CLAMP(x, y, z) ((x) = ((x) < (y) ? (y) : ((x) > (z) ? (z) : (x))))
2929
2930         if(redraw)
2931         {
2932                 CLAMP(mwindow->edl->session->crop_x1, 0, mwindow->edl->session->output_w);
2933                 CLAMP(mwindow->edl->session->crop_x2, 0, mwindow->edl->session->output_w);
2934                 CLAMP(mwindow->edl->session->crop_y1, 0, mwindow->edl->session->output_h);
2935                 CLAMP(mwindow->edl->session->crop_y2, 0, mwindow->edl->session->output_h);
2936 // printf("CWindowCanvas::test_crop %d %d %d %d\n",
2937 //      mwindow->edl->session->crop_x2,
2938 //      mwindow->edl->session->crop_y2,
2939 //      mwindow->edl->calculate_output_w(0),
2940 //      mwindow->edl->calculate_output_h(0));
2941         }
2942         return result;
2943 }
2944
2945
2946 void CWindowCanvas::draw_crop()
2947 {
2948         get_canvas()->set_inverse();
2949         get_canvas()->set_color(WHITE);
2950
2951         float x1 = mwindow->edl->session->crop_x1;
2952         float y1 = mwindow->edl->session->crop_y1;
2953         float x2 = mwindow->edl->session->crop_x2;
2954         float y2 = mwindow->edl->session->crop_y2;
2955
2956         output_to_canvas(mwindow->edl, 0, x1, y1);
2957         output_to_canvas(mwindow->edl, 0, x2, y2);
2958
2959         if(x2 - x1 && y2 - y1)
2960                 get_canvas()->draw_rectangle((int)x1,
2961                         (int)y1,
2962                         (int)(x2 - x1),
2963                         (int)(y2 - y1));
2964
2965         draw_crophandle((int)x1, (int)y1);
2966         draw_crophandle((int)x2 - CROPHANDLE_W, (int)y1);
2967         draw_crophandle((int)x1, (int)y2 - CROPHANDLE_H);
2968         draw_crophandle((int)x2 - CROPHANDLE_W, (int)y2 - CROPHANDLE_H);
2969         get_canvas()->set_opaque();
2970 }
2971
2972
2973 void CWindowCanvas::draw_outlines(int do_camera)
2974 {
2975         Track *track = gui->cwindow->calculate_affected_track();
2976
2977         if(!track) return;
2978
2979         float proj_x, proj_y, proj_z;
2980         int64_t position = track->to_units(
2981                 mwindow->edl->local_session->get_selectionstart(1),
2982                 0);
2983         track->automation->get_projector(&proj_x, &proj_y, &proj_z,
2984                                 position, PLAY_FORWARD);
2985
2986         proj_x += mwindow->edl->session->output_w/2.;
2987         proj_y += mwindow->edl->session->output_h/2.;
2988         float proj_x1 = proj_x - track->track_w/2. * proj_z;
2989         float proj_y1 = proj_y - track->track_h/2. * proj_z;
2990         float proj_x2 = proj_x + track->track_w/2. * proj_z;
2991         float proj_y2 = proj_y + track->track_h/2. * proj_z;
2992         float x1 = proj_x1, x2 = proj_x2;
2993         float y1 = proj_y1, y2 = proj_y2;
2994         output_to_canvas(mwindow->edl, 0, x1, y1);
2995         output_to_canvas(mwindow->edl, 0, x2, y2);
2996
2997 #define DRAW_PROJECTION(offset) \
2998         get_canvas()->draw_rectangle(x1+offset, y1+offset, (x2-x1), (y2-y1)); \
2999         get_canvas()->draw_line(x1+offset, y1+offset, x2+offset, y2+offset); \
3000         get_canvas()->draw_line(x2+offset, y1+offset, x1+offset, y2+offset); \
3001
3002 // Drop shadow
3003         get_canvas()->set_color(BLACK);
3004         DRAW_PROJECTION(1);
3005         get_canvas()->set_color(do_camera ? GREEN : RED);
3006         DRAW_PROJECTION(0);
3007
3008         if( do_camera ) {
3009                 float cam_x, cam_y, cam_z;
3010                 track->automation->get_camera(&cam_x, &cam_y, &cam_z,
3011                                         position, PLAY_FORWARD);
3012                 cam_x += track->track_w / 2.;
3013                 cam_y += track->track_h / 2.;
3014 // follow image, not camera
3015                 cam_x = -cam_x;  cam_y = -cam_y;  cam_z *= proj_z;
3016                 float cam_x1 = cam_x * cam_z + proj_x;
3017                 float cam_y1 = cam_y * cam_z + proj_y;
3018                 float cam_x2 = (cam_x + track->track_w) * cam_z + proj_x;
3019                 float cam_y2 = (cam_y + track->track_h) * cam_z + proj_y;
3020                 output_to_canvas(mwindow->edl, 0, cam_x1, cam_y1);
3021                 output_to_canvas(mwindow->edl, 0, cam_x2, cam_y2);
3022                 get_canvas()->set_color(YELLOW);
3023                 get_canvas()->draw_rectangle(cam_x1, cam_y1, cam_x2-cam_x1, cam_y2-cam_y1);
3024         }
3025 }
3026
3027 int CWindowCanvas::test_bezier(int button_press,
3028         int &redraw,
3029         int &redraw_canvas,
3030         int &rerender,
3031         int do_camera)
3032 {
3033         int result = 0;
3034
3035 // Processing drag operation.
3036 // Create keyframe during first cursor motion.
3037         if( !button_press ) {
3038
3039                 float cursor_x = get_cursor_x();
3040                 float cursor_y = get_cursor_y();
3041                 canvas_to_output(mwindow->edl, 0, cursor_x, cursor_y);
3042
3043                 if( gui->current_operation == CWINDOW_CAMERA ||
3044                     gui->current_operation == CWINDOW_PROJECTOR ) {
3045                         if( !gui->ctrl_down() && gui->shift_down() && !gui->translating_zoom ) {
3046                                 gui->translating_zoom = 1;
3047                                 gui->reset_affected();
3048                         }
3049                         else if( !gui->ctrl_down() && !gui->shift_down() && gui->translating_zoom ) {
3050                                 gui->translating_zoom = 0;
3051                                 gui->reset_affected();
3052                         }
3053
3054 // Get target keyframe
3055                         if( !gui->affected_x && !gui->affected_y && !gui->affected_z ) {
3056                                 if( !gui->affected_track ) return 0;
3057                                 FloatAutos *affected_x_autos, *affected_y_autos, *affected_z_autos;
3058                                 FloatAutos** autos = (FloatAutos**) gui->affected_track->automation->autos;
3059                                 if( mwindow->edl->session->cwindow_operation == CWINDOW_CAMERA ) {
3060                                         affected_x_autos = autos[AUTOMATION_CAMERA_X];
3061                                         affected_y_autos = autos[AUTOMATION_CAMERA_Y];
3062                                         affected_z_autos = autos[AUTOMATION_CAMERA_Z];
3063                                 }
3064                                 else {
3065                                         affected_x_autos = autos[AUTOMATION_PROJECTOR_X];
3066                                         affected_y_autos = autos[AUTOMATION_PROJECTOR_Y];
3067                                         affected_z_autos = autos[AUTOMATION_PROJECTOR_Z];
3068                                 }
3069                                 double position = mwindow->edl->local_session->get_selectionstart(1);
3070                                 int64_t track_position = gui->affected_track->to_units(position, 0);
3071                                 FloatAuto *prev_x = 0, *next_x = 0;
3072                                 float new_x = affected_x_autos->get_value(track_position, PLAY_FORWARD, prev_x, next_x);
3073                                 FloatAuto *prev_y = 0, *next_y = 0;
3074                                 float new_y = affected_y_autos->get_value(track_position, PLAY_FORWARD, prev_y, next_y);
3075                                 FloatAuto *prev_z = 0, *next_z = 0;
3076                                 float new_z = affected_z_autos->get_value(track_position, PLAY_FORWARD, prev_z, next_z);
3077                                 int zooming = gui->translating_zoom, created;
3078                                 gui->affected_x = (FloatAuto*)gui->cwindow->calculate_affected_auto(
3079                                                         affected_x_autos, !zooming, &created, 0);
3080                                 if( created ) {
3081                                         gui->affected_x->set_value(new_x);
3082                                         redraw_canvas = 1;
3083                                 }
3084                                 gui->affected_y = (FloatAuto*)gui->cwindow->calculate_affected_auto(
3085                                                         affected_y_autos, !zooming, &created, 0);
3086                                 if( created ) {
3087                                         gui->affected_y->set_value(new_y);
3088                                         redraw_canvas = 1;
3089                                 }
3090                                 gui->affected_z = (FloatAuto*)gui->cwindow->calculate_affected_auto(
3091                                                         affected_z_autos, zooming, &created, 0);
3092                                 if( created ) {
3093                                         gui->affected_z->set_value(new_z);
3094                                         redraw_canvas = 1;
3095                                 }
3096                                 calculate_origin();
3097
3098                                 if( gui->translating_zoom ) {
3099                                         gui->center_z = gui->affected_z->get_value();
3100                                 }
3101                                 else {
3102                                         gui->center_x = gui->affected_x->get_value();
3103                                         gui->center_y = gui->affected_y->get_value();
3104                                 }
3105
3106                                 rerender = 1;
3107                                 redraw = 1;
3108                         }
3109
3110                         float x_val = gui->affected_x->get_value();
3111                         float y_val = gui->affected_y->get_value();
3112                         float z_val = gui->affected_z->get_value();
3113
3114                         if( gui->translating_zoom ) {
3115                                 float z = gui->center_z + (cursor_y - gui->y_origin) / 128;
3116                                 if( z < 0 ) z = 0;
3117                                 if( !EQUIV(z_val, z) ) {
3118                                         rerender = 1;
3119                                         redraw = 1;
3120                                         redraw_canvas = 1;
3121                                 }
3122                                 gui->affected_z->set_value(z);
3123                         }
3124                         else {
3125                                 float dx = cursor_x - gui->x_origin;
3126                                 float dy = cursor_y - gui->y_origin;
3127 // follow image, not camera
3128                                 if( gui->current_operation == CWINDOW_CAMERA ) {
3129                                         dx = -dx / z_val;  dy = -dy / z_val;
3130                                 }
3131                                 float x = gui->center_x + dx;
3132                                 float y = gui->center_y + dy;
3133                                 gui->affected_x->set_value(x);
3134                                 gui->affected_y->set_value(y);
3135                                 if( !EQUIV(x_val, x) || !EQUIV(y_val, y) ) {
3136                                         rerender = 1;
3137                                         redraw = 1;
3138                                         redraw_canvas = 1;
3139                                 }
3140                         }
3141                 }
3142
3143                 result = 1;
3144         }
3145         else
3146 // Begin drag operation.  Don't create keyframe here.
3147         {
3148 // Get affected track off of the first recordable video track.
3149 // Calculating based on the alpha channel would require recording what layer
3150 // each output pixel belongs to as they're rendered and stacked.  Forget it.
3151                 gui->affected_track = gui->cwindow->calculate_affected_track();
3152                 gui->reset_affected();
3153
3154                 if( gui->affected_track ) {
3155                         if( do_camera )
3156                                 mwindow->undo->update_undo_before(_("camera"), this);
3157                         else
3158                                 mwindow->undo->update_undo_before(_("projector"), this);
3159
3160                         gui->current_operation =
3161                                 mwindow->edl->session->cwindow_operation;
3162                         gui->tool_panel->raise_window();
3163                         result = 1;
3164                 }
3165         }
3166
3167         return result;
3168 }
3169
3170
3171 int CWindowCanvas::test_zoom(int &redraw)
3172 {
3173         int result = 0;
3174         float x, y;
3175         float zoom = 0;
3176
3177         if( mwindow->edl->session->cwindow_scrollbars ) {
3178                 if( *gui->zoom_panel->get_text() != 'x' ) {
3179 // Find current zoom in table
3180                         int idx = total_zooms;  float old_zoom = get_zoom();
3181                         while( --idx >= 0 && !EQUIV(my_zoom_table[idx], old_zoom) );
3182                         if( idx >= 0 ) {
3183                                 idx += get_buttonpress() == 5 ||
3184                                          gui->ctrl_down() || gui->shift_down() ?  -1 : +1 ;
3185                                 CLAMP(idx, 0, total_zooms-1);
3186                                 zoom = my_zoom_table[idx];
3187                         }
3188                 }
3189                 x = get_cursor_x();  y = get_cursor_y();
3190                 if( !zoom ) {
3191                         mwindow->edl->session->cwindow_scrollbars = 0;
3192                         gui->zoom_panel->update(0);
3193                         zoom = gui->get_auto_zoom();
3194                 }
3195                 else {
3196                         gui->zoom_panel->ZoomPanel::update(zoom);
3197                         float output_x = x, output_y = y;
3198                         canvas_to_output(mwindow->edl, 0, output_x, output_y);
3199                         x = output_x - x / zoom;
3200                         y = output_y - y / zoom;
3201                 }
3202         }
3203         else {
3204                 mwindow->edl->session->cwindow_scrollbars = 1;
3205                 x = (mwindow->edl->session->output_w - w) / 2;
3206                 y = (mwindow->edl->session->output_h - h) / 2;
3207                 zoom = 1;
3208         }
3209         update_zoom((int)x, (int)y, zoom);
3210
3211         gui->composite_panel->cpanel_zoom->update(zoom);
3212
3213         reposition_window(mwindow->edl,
3214                         mwindow->theme->ccanvas_x, mwindow->theme->ccanvas_y,
3215                         mwindow->theme->ccanvas_w, mwindow->theme->ccanvas_h);
3216         redraw = 1;  result = 1;
3217
3218         return result;
3219 }
3220
3221
3222 void CWindowCanvas::calculate_origin()
3223 {
3224         gui->x_origin = get_cursor_x();
3225         gui->y_origin = get_cursor_y();
3226 //printf("CWindowCanvas::calculate_origin 1 %f %f\n", gui->x_origin, gui->y_origin);
3227         canvas_to_output(mwindow->edl, 0, gui->x_origin, gui->y_origin);
3228 //printf("CWindowCanvas::calculate_origin 2 %f %f\n", gui->x_origin, gui->y_origin);
3229 }
3230
3231
3232 int CWindowCanvas::cursor_leave_event()
3233 {
3234         set_cursor(ARROW_CURSOR);
3235         return 1;
3236 }
3237
3238 int CWindowCanvas::cursor_enter_event()
3239 {
3240         int redraw = 0;
3241         switch(mwindow->edl->session->cwindow_operation)
3242         {
3243                 case CWINDOW_CAMERA:
3244                 case CWINDOW_PROJECTOR:
3245                         set_cursor(MOVE_CURSOR);
3246                         break;
3247                 case CWINDOW_ZOOM:
3248                         set_cursor(MOVE_CURSOR);
3249                         break;
3250                 case CWINDOW_CROP:
3251                         test_crop(0, redraw);
3252                         break;
3253                 case CWINDOW_PROTECT:
3254                         set_cursor(ARROW_CURSOR);
3255                         break;
3256                 case CWINDOW_MASK:
3257                 case CWINDOW_RULER:
3258                         set_cursor(CROSS_CURSOR);
3259                         break;
3260                 case CWINDOW_EYEDROP:
3261                         set_cursor(CROSS_CURSOR);
3262                         break;
3263         }
3264         return 1;
3265 }
3266
3267 int CWindowCanvas::cursor_motion_event()
3268 {
3269         int redraw = 0, result = 0, rerender = 0, redraw_canvas = 0;
3270
3271
3272 //printf("CWindowCanvas::cursor_motion_event %d current_operation=%d\n", __LINE__, gui->current_operation);
3273         switch(gui->current_operation)
3274         {
3275                 case CWINDOW_SCROLL:
3276                 {
3277                         float zoom = get_zoom();
3278                         float cursor_x = get_cursor_x();
3279                         float cursor_y = get_cursor_y();
3280
3281                         float zoom_x, zoom_y, conformed_w, conformed_h;
3282                         get_zooms(mwindow->edl, 0, zoom_x, zoom_y, conformed_w, conformed_h);
3283                         cursor_x = (float)cursor_x / zoom_x + gui->x_offset;
3284                         cursor_y = (float)cursor_y / zoom_y + gui->y_offset;
3285
3286
3287
3288                         int x = (int)(gui->x_origin - cursor_x + gui->x_offset);
3289                         int y = (int)(gui->y_origin - cursor_y + gui->y_offset);
3290
3291                         update_zoom(x,
3292                                 y,
3293                                 zoom);
3294                         update_scrollbars(0);
3295                         redraw = 1;
3296                         result = 1;
3297                         break;
3298                 }
3299
3300                 case CWINDOW_RULER:
3301                         result = do_ruler(0, 1, 0, 0);
3302                         break;
3303
3304                 case CWINDOW_CAMERA:
3305                         result = test_bezier(0, redraw, redraw_canvas, rerender, 1);
3306                         break;
3307
3308                 case CWINDOW_PROJECTOR:
3309                         result = test_bezier(0, redraw, redraw_canvas, rerender, 0);
3310                         break;
3311
3312
3313                 case CWINDOW_CROP:
3314                         result = test_crop(0, redraw);
3315 // printf("CWindowCanvas::cursor_motion_event %d result=%d redraw=%d\n",
3316 // __LINE__,
3317 // result,
3318 // redraw);
3319                         break;
3320
3321                 case CWINDOW_MASK:
3322                 case CWINDOW_MASK_CONTROL_IN:
3323                 case CWINDOW_MASK_CONTROL_OUT:
3324                 case CWINDOW_MASK_TRANSLATE:
3325                         result = do_mask(redraw, rerender, 0, 1, 0);
3326                         break;
3327
3328                 case CWINDOW_EYEDROP:
3329                         result = do_eyedrop(rerender, 0, 0);
3330                         break;
3331
3332                 default:
3333                         break;
3334
3335         }
3336
3337
3338 // cursor font changes
3339         if(!result)
3340         {
3341 // printf("CWindowCanvas::cursor_motion_event %d cwindow_operation=%d\n",
3342 // __LINE__,
3343 // mwindow->edl->session->cwindow_operation);
3344                 switch(mwindow->edl->session->cwindow_operation)
3345                 {
3346                         case CWINDOW_CROP:
3347                                 result = test_crop(0, redraw);
3348                                 break;
3349                         case CWINDOW_RULER:
3350                                 result = do_ruler(0, 1, 0, 0);
3351                                 break;
3352                         case CWINDOW_MASK:
3353                                 result = do_mask(redraw, rerender, 0, 1, 0);
3354                                 break;
3355                 }
3356         }
3357
3358         int change_type = rerender ? CHANGE_PARAMS : -1;
3359         gui->sync_parameters(change_type, redraw, redraw_canvas);
3360
3361         return result;
3362 }
3363
3364 int CWindowCanvas::button_press_event()
3365 {
3366         int result = 0;
3367         int redraw = 0;
3368         int redraw_canvas = 0;
3369         int rerender = 0;
3370
3371         if(Canvas::button_press_event()) return 1;
3372
3373         gui->translating_zoom = gui->shift_down();
3374
3375         calculate_origin();
3376 //printf("CWindowCanvas::button_press_event 2 %f %f\n", gui->x_origin, gui->y_origin, gui->x_origin, gui->y_origin);
3377
3378         float zoom_x, zoom_y, conformed_w, conformed_h;
3379         get_zooms(mwindow->edl, 0, zoom_x, zoom_y, conformed_w, conformed_h);
3380         gui->x_offset = get_x_offset(mwindow->edl, 0, zoom_x, conformed_w, conformed_h);
3381         gui->y_offset = get_y_offset(mwindow->edl, 0, zoom_y, conformed_w, conformed_h);
3382
3383 // Scroll view
3384         if( mwindow->edl->session->cwindow_operation != CWINDOW_PROTECT &&
3385             get_buttonpress() == MIDDLE_BUTTON && !get_canvas()->shift_down() )
3386         {
3387                 gui->current_operation = CWINDOW_SCROLL;
3388                 result = 1;
3389         }
3390         else
3391 // Adjust parameter
3392         {
3393                 switch(mwindow->edl->session->cwindow_operation)
3394                 {
3395                         case CWINDOW_RULER:
3396                                 result = do_ruler(0, 0, 1, 0);
3397                                 break;
3398
3399                         case CWINDOW_CAMERA:
3400                                 result = test_bezier(1, redraw, redraw_canvas, rerender, 1);
3401                                 break;
3402
3403                         case CWINDOW_PROJECTOR:
3404                                 result = test_bezier(1, redraw, redraw_canvas, rerender, 0);
3405                                 break;
3406
3407                         case CWINDOW_ZOOM:
3408                                 result = test_zoom(redraw);
3409                                 break;
3410
3411                         case CWINDOW_CROP:
3412                                 result = test_crop(1, redraw);
3413                                 break;
3414
3415                         case CWINDOW_MASK:
3416                                 switch( get_buttonpress() ) {
3417                                 case LEFT_BUTTON:
3418                                         result = do_mask(redraw, rerender, 1, 0, 0);
3419                                         break;
3420                                 case MIDDLE_BUTTON: {  // && shift_down()
3421                                         result = do_mask_focus();
3422                                         redraw = redraw_canvas = 1;
3423                                         break; }
3424                                 case WHEEL_UP:
3425                                 case WHEEL_DOWN:
3426                                         result = do_mask(redraw, rerender, 1, 1, 0);
3427                                         break;
3428                                 }
3429                                 if( result ) redraw_canvas = 1;
3430                                 break;
3431
3432                         case CWINDOW_EYEDROP:
3433                                 result = do_eyedrop(rerender, 1, 0);
3434                                 break;
3435                 }
3436         }
3437
3438         int change_type = rerender ? CHANGE_PARAMS : -1;
3439         gui->sync_parameters(change_type, redraw, redraw_canvas);
3440
3441         return result;
3442 }
3443
3444 int CWindowCanvas::button_release_event()
3445 {
3446         int result = 0;
3447         const char *undo_label = 0;
3448
3449         switch(gui->current_operation)
3450         {
3451                 case CWINDOW_SCROLL:
3452                         result = 1;
3453                         break;
3454
3455                 case CWINDOW_RULER:
3456                         do_ruler(0, 0, 0, 1);
3457                         break;
3458
3459                 case CWINDOW_CAMERA:
3460                         undo_label = _("camera");
3461                         break;
3462
3463                 case CWINDOW_PROJECTOR:
3464                         undo_label = _("projector");
3465                         break;
3466
3467                 case CWINDOW_MASK:
3468                 case CWINDOW_MASK_CONTROL_IN:
3469                 case CWINDOW_MASK_CONTROL_OUT:
3470                 case CWINDOW_MASK_TRANSLATE:
3471 // Finish mask operation
3472                         gui->mask_keyframe = 0;
3473                         undo_label = _("mask");
3474                         break;
3475                 case CWINDOW_MASK_ROTATE:
3476                         gui->mask_keyframe = 0;
3477                         undo_label = _("mask rotate");
3478                         break;
3479                 case CWINDOW_MASK_SCALE:
3480                         gui->mask_keyframe = 0;
3481                         undo_label = _("mask scale");
3482                         break;
3483                 case CWINDOW_NONE:
3484                         result = Canvas::button_release_event();
3485                         break;
3486         }
3487
3488         if( undo_label )
3489                 mwindow->undo->update_undo_after(undo_label, LOAD_AUTOMATION);
3490         gui->current_operation = CWINDOW_NONE;
3491         return result;
3492 }
3493
3494 void CWindowCanvas::zoom_resize_window(float percentage)
3495 {
3496         int canvas_w, canvas_h;
3497         int new_w, new_h;
3498
3499
3500 // Get required canvas size
3501         calculate_sizes(mwindow->edl->get_aspect_ratio(),
3502                 mwindow->edl->session->output_w,
3503                 mwindow->edl->session->output_h,
3504                 percentage,
3505                 canvas_w,
3506                 canvas_h);
3507
3508 // Estimate window size from current borders
3509         new_w = canvas_w + (gui->get_w() - mwindow->theme->ccanvas_w);
3510         new_h = canvas_h + (gui->get_h() - mwindow->theme->ccanvas_h);
3511
3512 //printf("CWindowCanvas::zoom_resize_window %d %d %d\n", __LINE__, new_w, new_h);
3513         mwindow->session->cwindow_w = new_w;
3514         mwindow->session->cwindow_h = new_h;
3515
3516         mwindow->theme->get_cwindow_sizes(gui,
3517                 mwindow->session->cwindow_controls);
3518
3519 // Estimate again from new borders
3520         new_w = canvas_w + (mwindow->session->cwindow_w - mwindow->theme->ccanvas_w);
3521         new_h = canvas_h + (mwindow->session->cwindow_h - mwindow->theme->ccanvas_h);
3522 //printf("CWindowCanvas::zoom_resize_window %d %d %d\n", __LINE__, new_w, new_h);
3523
3524         gui->resize_window(new_w, new_h);
3525         gui->resize_event(new_w, new_h);
3526 }
3527
3528 void CWindowCanvas::toggle_controls()
3529 {
3530         mwindow->session->cwindow_controls = !mwindow->session->cwindow_controls;
3531         gui->resize_event(gui->get_w(), gui->get_h());
3532 }
3533
3534 int CWindowCanvas::get_cwindow_controls()
3535 {
3536         return mwindow->session->cwindow_controls;
3537 }
3538
3539
3540