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 "bccolors.h"
  25 #include "bcsignals.h"
  26 #include "canvas.h"
  27 #include "clip.h"
  28 #include "cpanel.h"
  29 #include "cplayback.h"
  30 #include "ctimebar.h"
  31 #include "cursors.h"
  32 #include "cwindowgui.h"
  33 #include "cwindow.h"
  34 #include "cwindowtool.h"
  35 #include "editpanel.h"
  36 #include "edl.h"
  37 #include "edlsession.h"
  38 #include "floatauto.h"
  39 #include "floatautos.h"
  40 #include "keys.h"
  41 #include "language.h"
  42 #include "localsession.h"
  43 #include "mainclock.h"
  44 #include "mainmenu.h"
  45 #include "mainundo.h"
  46 #include "mainsession.h"
  47 #include "maskauto.h"
  48 #include "maskautos.h"
  49 #include "mbuttons.h"
  50 #include "meterpanel.h"
  51 #include "mwindowgui.h"
  52 #include "mwindow.h"
  53 #include "mwindow.h"
  54 #include "playback3d.h"
  55 #include "playtransport.h"
  56 #include "theme.h"
  57 #include "trackcanvas.h"
  58 #include "tracks.h"
  59 #include "transportque.h"
  60 #include "vtrack.h"
  61 #include "zoombar.h"
  62
  63
  64 static double my_zoom_table[] =
  65 {
  66         0.25,
  67         0.33,
  68         0.50,
  69         0.75,
  70         1.0,
  71         1.5,
  72         2.0,
  73         3.0,
  74         4.0
  75 };
  76
  77 static int total_zooms = sizeof(my_zoom_table) / sizeof(double);
  78
  79
  80 CWindowGUI::CWindowGUI(MWindow *mwindow, CWindow *cwindow)
  81  : BC_Window(_(PROGRAM_NAME ": Compositor"),
  82         mwindow->session->cwindow_x,
  83         mwindow->session->cwindow_y,
  84         mwindow->session->cwindow_w,
  85         mwindow->session->cwindow_h,
  86         xS(100), yS(100), 1, 1, 1,
  87         BC_WindowBase::get_resources()->bg_color,
  88         mwindow->get_cwindow_display())
  89 {
  90         this->mwindow = mwindow;
  91         this->cwindow = cwindow;
  92         affected_track = 0;
  93         affected_x = affected_y = affected_z = 0;
  94         mask_keyframe = 0;
  95         orig_mask_keyframe = new MaskAuto(0, 0);
  96         affected_point = 0;
  97         x_offset = y_offset = 0;
  98         x_origin = y_origin = 0;
  99         current_operation = CWINDOW_NONE;
 100         tool_panel = 0;
 101         active = 0;
 102         inactive = 0;
 103         crop_handle = -1; crop_translate = 0;
 104         crop_origin_x = crop_origin_y = 0;
 105         crop_origin_x1 = crop_origin_y1 = 0;
 106         crop_origin_x2 = crop_origin_y2 = 0;
 107         eyedrop_visible = 0;
 108         eyedrop_x = eyedrop_y = 0;
 109         ruler_origin_x = ruler_origin_y = 0;
 110         ruler_handle = -1; ruler_translate = 0;
 111         center_x = center_y = center_z = 0;
 112         control_in_x = control_in_y = 0;
 113         control_out_x = control_out_y = 0;
 114         translating_zoom = 0;
 115         highlighted = 0;
 116 }
 117
 118 CWindowGUI::~CWindowGUI()
 119 {
 120         cwindow->stop_playback(1);
 121         if( tool_panel ) delete tool_panel;
 122         delete meters;
 123         delete composite_panel;
 124         delete canvas;
 125         delete transport;
 126         delete edit_panel;
 127         delete zoom_panel;
 128         delete active;
 129         delete inactive;
 130         delete focus_frame;
 131         delete orig_mask_keyframe;
 132 }
 133
 134 void CWindowGUI::create_objects()
 135 {
 136         lock_window("CWindowGUI::create_objects");
 137         set_icon(mwindow->theme->get_image("cwindow_icon"));
 138
 139         active = new BC_Pixmap(this, mwindow->theme->get_image("cwindow_active"));
 140         inactive = new BC_Pixmap(this, mwindow->theme->get_image("cwindow_inactive"));
 141         focus_frame = new VFramePng(mwindow->theme->get_image_data("cwindow_focus.png"));
 142
 143         mwindow->theme->get_cwindow_sizes(this, mwindow->session->cwindow_controls);
 144         mwindow->theme->draw_cwindow_bg(this);
 145         flash();
 146
 147 // Meters required by composite panel
 148         meters = new CWindowMeters(mwindow,
 149                 this,
 150                 mwindow->theme->cmeter_x,
 151                 mwindow->theme->cmeter_y,
 152                 mwindow->theme->cmeter_h);
 153         meters->create_objects();
 154
 155
 156         composite_panel = new CPanel(mwindow,
 157                 this,
 158                 mwindow->theme->ccomposite_x,
 159                 mwindow->theme->ccomposite_y,
 160                 mwindow->theme->ccomposite_w,
 161                 mwindow->theme->ccomposite_h);
 162         composite_panel->create_objects();
 163
 164         canvas = new CWindowCanvas(mwindow, this);
 165
 166         canvas->create_objects(mwindow->edl);
 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->set_zoom(mwindow->edl, canvas->get_zoom());
 242         update_canvas();
 243
 244         timebar->resize_event();
 245
 246 #ifdef USE_SLIDER
 247         slider->reposition_window(mwindow->theme->cslider_x,
 248                 mwindow->theme->cslider_y,
 249                 mwindow->theme->cslider_w);
 250 // Recalibrate pointer motion range
 251         slider->set_position();
 252 #endif
 253
 254         transport->reposition_buttons(mwindow->theme->ctransport_x,
 255                 mwindow->theme->ctransport_y);
 256
 257         edit_panel->reposition_buttons(mwindow->theme->cedit_x,
 258                 mwindow->theme->cedit_y);
 259
 260 //      clock->reposition_window(mwindow->theme->ctime_x,
 261 //              mwindow->theme->ctime_y);
 262
 263         zoom_panel->reposition_window(mwindow->theme->czoom_x,
 264                 mwindow->theme->czoom_y);
 265
 266 //      destination->reposition_window(mwindow->theme->cdest_x,
 267 //              mwindow->theme->cdest_y);
 268
 269         meters->reposition_window(mwindow->theme->cmeter_x,
 270                 mwindow->theme->cmeter_y,
 271                 -1,
 272                 mwindow->theme->cmeter_h);
 273
 274         draw_status(0);
 275
 276         BC_WindowBase::resize_event(w, h);
 277         return 1;
 278 }
 279
 280 int CWindowGUI::button_press_event()
 281 {
 282         if( current_operation == CWINDOW_NONE &&
 283             mwindow->edl != 0 && canvas->get_canvas() &&
 284             mwindow->edl->session->cwindow_click2play &&
 285             canvas->get_canvas()->cursor_above() ) {
 286                 switch( get_buttonpress() ) {
 287                 case LEFT_BUTTON:
 288                         if( !cwindow->playback_engine->is_playing_back ) {
 289                                 double length = mwindow->edl->tracks->total_playable_length();
 290                                 double position = cwindow->playback_engine->get_tracking_position();
 291                                 if( position >= length ) transport->goto_start();
 292                         }
 293                         return transport->forward_play->handle_event();
 294                 case MIDDLE_BUTTON:
 295                         if( !cwindow->playback_engine->is_playing_back ) {
 296                                 double position = cwindow->playback_engine->get_tracking_position();
 297                                 if( position <= 0 ) transport->goto_end();
 298                         }
 299                         return transport->reverse_play->handle_event();
 300                 case RIGHT_BUTTON:  // activates popup
 301                         break;
 302                 case WHEEL_UP:
 303                         return transport->frame_forward_play->handle_event();
 304                 case WHEEL_DOWN:
 305                         return transport->frame_reverse_play->handle_event();
 306                 }
 307         }
 308         if( canvas->get_canvas() )
 309                 return canvas->button_press_event_base(canvas->get_canvas());
 310         return 0;
 311 }
 312
 313 int CWindowGUI::cursor_leave_event()
 314 {
 315         if( canvas->get_canvas() )
 316                 return canvas->cursor_leave_event_base(canvas->get_canvas());
 317         return 0;
 318 }
 319
 320 int CWindowGUI::cursor_enter_event()
 321 {
 322         if( canvas->get_canvas() )
 323                 return canvas->cursor_enter_event_base(canvas->get_canvas());
 324         return 0;
 325 }
 326
 327 int CWindowGUI::button_release_event()
 328 {
 329         if( canvas->get_canvas() )
 330                 return canvas->button_release_event();
 331         return 0;
 332 }
 333
 334 int CWindowGUI::cursor_motion_event()
 335 {
 336         if( canvas->get_canvas() ) {
 337                 canvas->get_canvas()->unhide_cursor();
 338                 return canvas->cursor_motion_event();
 339         }
 340         return 0;
 341 }
 342
 343
 344
 345
 346
 347
 348
 349 void CWindowGUI::draw_status(int flush)
 350 {
 351         if( (canvas->get_canvas() && canvas->get_canvas()->get_video_on()) ||
 352                 canvas->is_processing ) {
 353                 draw_pixmap(active,
 354                         mwindow->theme->cstatus_x,
 355                         mwindow->theme->cstatus_y);
 356         }
 357         else {
 358                 draw_pixmap(inactive,
 359                         mwindow->theme->cstatus_x,
 360                         mwindow->theme->cstatus_y);
 361         }
 362
 363
 364 // printf("CWindowGUI::draw_status %d %d %d\n", __LINE__, mwindow->theme->cstatus_x,
 365 //              mwindow->theme->cstatus_y);
 366         flash(mwindow->theme->cstatus_x,
 367                 mwindow->theme->cstatus_y,
 368                 active->get_w(),
 369                 active->get_h(),
 370                 flush);
 371 }
 372
 373 void CWindowGUI::update_canvas(int redraw)
 374 {
 375         float zoom = canvas->get_zoom();
 376         zoom_panel->update(zoom);
 377         if( mwindow->edl->session->cwindow_operation == CWINDOW_ZOOM ) {
 378                 if( !zoom ) zoom = canvas->get_auto_zoom(mwindow->edl);
 379                 composite_panel->cpanel_zoom->update(zoom);
 380         }
 381         canvas->update_scrollbars(mwindow->edl, 0);
 382         canvas->reposition_window(mwindow->edl,
 383                 mwindow->theme->ccanvas_x, mwindow->theme->ccanvas_y,
 384                 mwindow->theme->ccanvas_w, mwindow->theme->ccanvas_h);
 385         if( redraw )
 386                 canvas->refresh(0);
 387 }
 388
 389 void CWindowGUI::set_operation(int value)
 390 {
 391         switch( value ) {
 392         case CWINDOW_TOOL_WINDOW:
 393                 mwindow->edl->session->tool_window = !mwindow->edl->session->tool_window;
 394                 composite_panel->operation[CWINDOW_TOOL_WINDOW]->update(mwindow->edl->session->tool_window);
 395                 tool_panel->update_show_window();
 396                 return;
 397         case CWINDOW_TITLESAFE:
 398                 mwindow->edl->session->safe_regions = !mwindow->edl->session->safe_regions;
 399                 composite_panel->operation[CWINDOW_TITLESAFE]->update(mwindow->edl->session->safe_regions);
 400                 value = mwindow->edl->session->cwindow_operation;
 401                 break;
 402         default:
 403                 mwindow->edl->session->cwindow_operation = value;
 404                 composite_panel->set_operation(value);
 405                 break;
 406         }
 407
 408         edit_panel->update();
 409         tool_panel->start_tool(value);
 410         canvas->refresh(0);
 411 }
 412
 413 void CWindowGUI::update_tool()
 414 {
 415         tool_panel->update_values();
 416 }
 417
 418 int CWindowGUI::close_event()
 419 {
 420         cwindow->hide_window();
 421         return 1;
 422 }
 423
 424
 425 int CWindowGUI::keypress_event()
 426 {
 427         int result = 0;
 428         int cwindow_operation = CWINDOW_NONE;
 429
 430         switch( get_keypress() ) {
 431         case 'w':
 432         case 'W':
 433                 close_event();
 434                 result = 1;
 435                 break;
 436         case '+':
 437         case '=':
 438                 keyboard_zoomin();
 439                 result = 1;
 440                 break;
 441         case '-':
 442                 keyboard_zoomout();
 443                 result = 1;
 444                 break;
 445         case 'f': {
 446                 int on = canvas->get_fullscreen() ? 0 : 1;
 447                 canvas->set_fullscreen(on, 1);
 448                 result = 1;
 449                 break; }
 450         case ESC:
 451                 canvas->set_fullscreen(0, 1);
 452                 result = 1;
 453                 break;
 454         case 'x':
 455                 if( ctrl_down() || shift_down() || alt_down() ) break;
 456                 unlock_window();
 457                 mwindow->gui->lock_window("CWindowGUI::keypress_event 2");
 458                 mwindow->cut();
 459                 mwindow->gui->unlock_window();
 460                 lock_window("CWindowGUI::keypress_event 2");
 461                 result = 1;
 462                 break;
 463         case DELETE:
 464                 unlock_window();
 465                 mwindow->gui->lock_window("CWindowGUI::keypress_event 2");
 466                 mwindow->clear_entry();
 467                 mwindow->gui->unlock_window();
 468                 lock_window("CWindowGUI::keypress_event 3");
 469                 result = 1;
 470                 break;
 471         case LEFT:
 472                 if( !ctrl_down() ) {
 473                         int alt_down = this->alt_down();
 474                         int shift_down = this->shift_down();
 475                         unlock_window();
 476                         stop_transport(0);
 477                         mwindow->gui->lock_window("CWindowGUI::keypress_event 5");
 478                         if( alt_down )
 479                                 mwindow->prev_edit_handle(shift_down);
 480                         else
 481                                 mwindow->move_left();
 482                         mwindow->gui->unlock_window();
 483                         lock_window("CWindowGUI::keypress_event 6");
 484                         result = 1;
 485                 }
 486                 break;
 487
 488         case ',':
 489                 if( !ctrl_down() && !alt_down() ) {
 490                         unlock_window();
 491                         stop_transport(0);
 492                         mwindow->gui->lock_window("CWindowGUI::keypress_event 7");
 493                         mwindow->move_left();
 494                         mwindow->gui->unlock_window();
 495                         lock_window("CWindowGUI::keypress_event 8");
 496                         result = 1;
 497                 }
 498                 break;
 499
 500         case RIGHT:
 501                 if( !ctrl_down() ) {
 502                         int alt_down = this->alt_down();
 503                         int shift_down = this->shift_down();
 504                         unlock_window();
 505                         stop_transport(0);
 506                         mwindow->gui->lock_window("CWindowGUI::keypress_event 8");
 507                         if( alt_down )
 508                                 mwindow->next_edit_handle(shift_down);
 509                         else
 510                                 mwindow->move_right();
 511                         mwindow->gui->unlock_window();
 512                         lock_window("CWindowGUI::keypress_event 9");
 513                         result = 1;
 514                 }
 515                 break;
 516
 517         case '.':
 518                 if( !ctrl_down() && !alt_down() ) {
 519                         unlock_window();
 520                         stop_transport(0);
 521                         mwindow->gui->lock_window("CWindowGUI::keypress_event 10");
 522                         mwindow->move_right();
 523                         mwindow->gui->unlock_window();
 524                         lock_window("CWindowGUI::keypress_event 11");
 525                         result = 1;
 526                 }
 527                 break;
 528         }
 529
 530         if( !result && cwindow_operation < 0 && ctrl_down() && shift_down() ) {
 531                 switch( get_keypress() ) {
 532                 case KEY_F1 ... KEY_F4: // mainmenu, load layout
 533                         resend_event(mwindow->gui);
 534                         result = 1;
 535                         break;
 536                 }
 537         }
 538         if( !result && !ctrl_down() ) {
 539                 switch( get_keypress() ) {
 540                 case KEY_F1:
 541                         if( shift_down() ) {
 542                                 mwindow->toggle_camera_xyz();  result = 1;
 543                         }
 544                         else
 545                                 cwindow_operation = CWINDOW_PROTECT;
 546                         break;
 547                 case KEY_F2:
 548                         if( shift_down() ) {
 549                                 mwindow->toggle_projector_xyz();  result = 1;
 550                         }
 551                         else
 552                                 cwindow_operation = CWINDOW_ZOOM;
 553                         break;
 554                 }
 555         }
 556         if( !result && cwindow_operation < 0 && !ctrl_down() && !shift_down() ) {
 557                 switch( get_keypress() ) {
 558                 case KEY_F3:    cwindow_operation = CWINDOW_MASK;       break;
 559                 case KEY_F4:    cwindow_operation = CWINDOW_RULER;      break;
 560                 case KEY_F5:    cwindow_operation = CWINDOW_CAMERA;     break;
 561                 case KEY_F6:    cwindow_operation = CWINDOW_PROJECTOR;  break;
 562                 case KEY_F7:    cwindow_operation = CWINDOW_CROP;       break;
 563                 case KEY_F8:    cwindow_operation = CWINDOW_EYEDROP;    break;
 564                 case KEY_F9:    cwindow_operation = CWINDOW_TOOL_WINDOW; break;
 565                 case KEY_F10:   cwindow_operation = CWINDOW_TITLESAFE;  break;
 566                 }
 567         }
 568         if( !result && cwindow_operation < 0 && !ctrl_down() ) {
 569                 switch( get_keypress() ) {
 570                 case KEY_F11:
 571                         if( !shift_down() )
 572                                 canvas->reset_camera();
 573                         else
 574                                 canvas->camera_keyframe();
 575                         result = 1;
 576                         break;
 577                 case KEY_F12:
 578                         if( !shift_down() )
 579                                 canvas->reset_projector();
 580                         else
 581                                 canvas->projector_keyframe();
 582                         result = 1;
 583                         break;
 584                 }
 585         }
 586
 587         if( cwindow_operation >= 0 ) {
 588                 set_operation(cwindow_operation);
 589                 result = 1;
 590         }
 591
 592         if( !result )
 593                 result = transport->keypress_event();
 594
 595         return result;
 596 }
 597
 598
 599 void CWindowGUI::reset_affected()
 600 {
 601         affected_x = 0;
 602         affected_y = 0;
 603         affected_z = 0;
 604 }
 605
 606 void CWindowGUI::keyboard_zoomin()
 607 {
 608         zoom_panel->zoom_tumbler->handle_up_event();
 609 }
 610
 611 void CWindowGUI::keyboard_zoomout()
 612 {
 613         zoom_panel->zoom_tumbler->handle_down_event();
 614 }
 615
 616 void CWindowGUI::sync_parameters(int change_type, int redraw, int overlay)
 617 {
 618         if( redraw ) {
 619                 update_tool();
 620                 canvas->refresh(1);
 621         }
 622         if( change_type < 0 && !overlay ) return;
 623         unlock_window();
 624         if( change_type >= 0 ) {
 625                 mwindow->restart_brender();
 626                 mwindow->sync_parameters(change_type);
 627         }
 628         if( overlay ) {
 629                 mwindow->gui->lock_window("CWindowGUI::sync_parameters");
 630                 mwindow->gui->draw_overlays(1);
 631                 mwindow->gui->unlock_window();
 632         }
 633         lock_window("CWindowGUI::sync_parameters");
 634 }
 635
 636 void CWindowGUI::drag_motion()
 637 {
 638         if( get_hidden() ) return;
 639
 640         if( mwindow->session->current_operation != DRAG_ASSET &&
 641                 mwindow->session->current_operation != DRAG_VTRANSITION &&
 642                 mwindow->session->current_operation != DRAG_VEFFECT ) return;
 643         int need_highlight = cursor_above() && get_cursor_over_window();
 644         if( highlighted == need_highlight ) return;
 645         highlighted = need_highlight;
 646         canvas->refresh(1);
 647 }
 648
 649 int CWindowGUI::drag_stop()
 650 {
 651         int result = 0;
 652         if( get_hidden() ) return 0;
 653         if( !highlighted ) return 0;
 654         if( mwindow->session->current_operation != DRAG_ASSET &&
 655             mwindow->session->current_operation != DRAG_VTRANSITION &&
 656             mwindow->session->current_operation != DRAG_VEFFECT) return 0;
 657         highlighted = 0;
 658         canvas->refresh(1);
 659         result = 1;
 660
 661         if( mwindow->session->current_operation == DRAG_ASSET ) {
 662                 if( mwindow->session->drag_assets->total ||
 663                         mwindow->session->drag_clips->total ) {
 664                         mwindow->gui->lock_window("CWindowGUI::drag_stop 1");
 665                         mwindow->undo->update_undo_before(_("insert assets"), 0);
 666                 }
 667
 668                 if( mwindow->session->drag_assets->total ) {
 669                         mwindow->clear(0);
 670                         mwindow->load_assets(mwindow->session->drag_assets,
 671                                 mwindow->edl->local_session->get_selectionstart(),
 672                                 LOADMODE_PASTE,
 673                                 mwindow->session->track_highlighted,
 674                                 0,
 675                                 mwindow->edl->session->labels_follow_edits,
 676                                 mwindow->edl->session->plugins_follow_edits,
 677                                 mwindow->edl->session->autos_follow_edits,
 678                                 0); // overwrite
 679                 }
 680
 681                 if( mwindow->session->drag_clips->total ) {
 682                         mwindow->clear(0);
 683                         mwindow->paste_edls(mwindow->session->drag_clips,
 684                                 LOADMODE_PASTE,
 685                                 mwindow->session->track_highlighted,
 686                                 mwindow->edl->local_session->get_selectionstart(),
 687                                 mwindow->edl->session->labels_follow_edits,
 688                                 mwindow->edl->session->plugins_follow_edits,
 689                                 mwindow->edl->session->autos_follow_edits,
 690                                 0); // overwrite
 691                 }
 692
 693                 if( mwindow->session->drag_assets->total ||
 694                         mwindow->session->drag_clips->total ) {
 695                         mwindow->save_backup();
 696                         mwindow->restart_brender();
 697                         mwindow->gui->update(1, NORMAL_DRAW, 1, 1, 0, 1, 0);
 698                         mwindow->undo->update_undo_after(_("insert assets"), LOAD_ALL);
 699                         mwindow->gui->unlock_window();
 700                         sync_parameters(CHANGE_ALL);
 701                 }
 702         }
 703
 704         if( mwindow->session->current_operation == DRAG_VEFFECT ) {
 705 //printf("CWindowGUI::drag_stop 1\n");
 706                 Track *affected_track = cwindow->calculate_affected_track();
 707 //printf("CWindowGUI::drag_stop 2\n");
 708
 709                 mwindow->gui->lock_window("CWindowGUI::drag_stop 3");
 710                 mwindow->insert_effects_cwindow(affected_track);
 711                 mwindow->session->current_operation = NO_OPERATION;
 712                 mwindow->gui->unlock_window();
 713         }
 714
 715         if( mwindow->session->current_operation == DRAG_VTRANSITION ) {
 716                 Track *affected_track = cwindow->calculate_affected_track();
 717                 mwindow->gui->lock_window("CWindowGUI::drag_stop 4");
 718                 mwindow->paste_transition_cwindow(affected_track);
 719                 mwindow->session->current_operation = NO_OPERATION;
 720                 mwindow->gui->unlock_window();
 721         }
 722
 723         return result;
 724 }
 725
 726 void CWindowGUI::update_meters()
 727 {
 728         if( mwindow->edl->session->cwindow_meter != meters->visible ) {
 729                 meters->set_meters(meters->meter_count, mwindow->edl->session->cwindow_meter);
 730                 mwindow->theme->get_cwindow_sizes(this, mwindow->session->cwindow_controls);
 731                 resize_event(get_w(), get_h());
 732         }
 733 }
 734
 735 void CWindowGUI::stop_transport(const char *lock_msg)
 736 {
 737         if( lock_msg ) unlock_window();
 738         mwindow->stop_transport();
 739         if( lock_msg ) lock_window(lock_msg);
 740 }
 741
 742
 743 CWindowEditing::CWindowEditing(MWindow *mwindow, CWindow *cwindow)
 744  : EditPanel(mwindow, cwindow->gui, CWINDOW_ID,
 745                 mwindow->theme->cedit_x, mwindow->theme->cedit_y,
 746                 mwindow->edl->session->editing_mode,
 747                 0, // use_editing_mode
 748                 0, // use_keyframe
 749                 0, // use_splice
 750                 0, // use_overwrite
 751                 1, // use_copy
 752                 1, // use_paste
 753                 1, // use_undo
 754                 0, // use_fit
 755                 0, // locklabels
 756                 1, // use_labels
 757                 1, // use_toclip
 758                 1, // use_meters
 759                 1, // use_cut
 760                 0, // use_commerical
 761                 0, // use_goto
 762                 1, // use_clk2play
 763                 1, // use_scope
 764                 0) // use_gang_tracks
 765 {
 766         this->mwindow = mwindow;
 767         this->cwindow = cwindow;
 768 }
 769
 770 #define relock_cm(s) \
 771  cwindow->gui->unlock_window(); \
 772  mwindow->gui->lock_window("CWindowEditing::" s)
 773 #define relock_mc(s) \
 774  mwindow->gui->unlock_window(); \
 775  cwindow->gui->lock_window("CWindowEditing::" s)
 776 #define panel_fn(fn, args, s) \
 777  CWindowEditing::fn args { relock_cm(#fn); s; relock_mc(#fn); }
 778
 779 // transmit lock to mwindow, and run mbutton->edit_panel->s
 780 #define panel_btn(fn, args, s) \
 781  panel_fn(panel_##fn, args, mwindow->gui->mbuttons->edit_panel->panel_##s)
 782
 783
 784 double CWindowEditing::get_position()
 785 {
 786         relock_cm("get_position");
 787         double ret = mwindow->edl->local_session->get_selectionstart(1);
 788         relock_mc("get_position");
 789         return ret;
 790 }
 791
 792 void CWindowEditing::set_position(double position)
 793 {
 794         relock_cm("set_position");
 795         mwindow->gui->mbuttons->edit_panel->set_position(position);
 796         relock_mc("set_position");
 797 }
 798
 799 void CWindowEditing::set_click_to_play(int v)
 800 {
 801         relock_cm("set_position");
 802         mwindow->edl->session->cwindow_click2play = v;
 803         relock_mc("set_position");
 804         click2play->update(v);
 805 }
 806
 807
 808 void panel_btn(stop_transport,(), stop_transport())
 809 void panel_btn(toggle_label,(), toggle_label())
 810 void panel_btn(next_label,(int cut), next_label(cut))
 811 void panel_btn(prev_label,(int cut), prev_label(cut))
 812 void panel_btn(next_edit,(int cut), next_edit(cut))
 813 void panel_btn(prev_edit,(int cut), prev_edit(cut))
 814 void panel_fn(panel_copy_selection,(), mwindow->copy())
 815 void CWindowEditing::panel_overwrite_selection() {} // not used
 816 void CWindowEditing::panel_splice_selection() {} // not used
 817 void panel_btn(set_inpoint,(), set_inpoint())
 818 void panel_btn(set_outpoint,(), set_outpoint())
 819 void panel_btn(unset_inoutpoint,(), unset_inoutpoint())
 820 void panel_fn(panel_to_clip,(), mwindow->to_clip(mwindow->edl, _("main window: "), 0))
 821 void panel_btn(cut,(), cut())
 822 void panel_btn(paste,(), paste())
 823 void panel_btn(fit_selection,(), fit_selection())
 824 void panel_btn(fit_autos,(int all), fit_autos(all))
 825 void panel_btn(set_editing_mode,(int mode), set_editing_mode(mode))
 826 void panel_btn(set_auto_keyframes,(int v), set_auto_keyframes(v))
 827 void panel_btn(set_span_keyframes,(int v), set_span_keyframes(v))
 828 void panel_btn(set_labels_follow_edits,(int v), set_labels_follow_edits(v))
 829 void panel_btn(set_gang_tracks,(int v), set_gang_tracks(v))
 830
 831
 832 CWindowMeters::CWindowMeters(MWindow *mwindow,
 833         CWindowGUI *gui, int x, int y, int h)
 834  : MeterPanel(mwindow, gui, x, y, -1, h,
 835                 mwindow->edl->session->audio_channels,
 836                 mwindow->edl->session->cwindow_meter,
 837                 0, 0)
 838 {
 839         this->mwindow = mwindow;
 840         this->gui = gui;
 841 }
 842
 843 CWindowMeters::~CWindowMeters()
 844 {
 845 }
 846
 847 int CWindowMeters::change_status_event(int new_status)
 848 {
 849         mwindow->edl->session->cwindow_meter = new_status;
 850         gui->update_meters();
 851         return 1;
 852 }
 853
 854
 855
 856
 857 CWindowZoom::CWindowZoom(MWindow *mwindow, CWindowGUI *gui, int x, int y, int w)
 858  : ZoomPanel(mwindow, gui, (double)mwindow->edl->session->cwindow_zoom,
 859         x, y, w, my_zoom_table, total_zooms, ZOOM_PERCENTAGE)
 860 {
 861         this->mwindow = mwindow;
 862         this->gui = gui;
 863 }
 864
 865 CWindowZoom::~CWindowZoom()
 866 {
 867 }
 868
 869 void CWindowZoom::update(double value)
 870 {
 871         char string[BCSTRLEN];
 872         const char *cp = string;
 873         if( value ) {
 874                 this->value = value;
 875                 int frac = value >= 1.0f ? 1 :
 876                            value >= 0.1f ? 2 :
 877                            value >= .01f ? 3 : 4;
 878                 sprintf(string, "x %.*f", frac, value);
 879         }
 880         else
 881                 cp = gui->auto_zoom;
 882         ZoomPanel::update(cp);
 883 }
 884
 885 int CWindowZoom::handle_event()
 886 {
 887         double value = !strcasecmp(gui->auto_zoom, get_text()) ? 0 : get_value();
 888         gui->canvas->set_zoom(mwindow->edl, value);
 889         gui->update_canvas();
 890         return 1;
 891 }
 892
 893
 894
 895 #ifdef USE_SLIDER
 896 CWindowSlider::CWindowSlider(MWindow *mwindow, CWindow *cwindow, int x, int y, int pixels)
 897  : BC_PercentageSlider(x, y, 0, pixels, pixels, 0, 1, 0)
 898 {
 899         this->mwindow = mwindow;
 900         this->cwindow = cwindow;
 901         set_precision(0.00001);
 902 }
 903
 904 CWindowSlider::~CWindowSlider()
 905 {
 906 }
 907
 908 int CWindowSlider::handle_event()
 909 {
 910         cwindow->update_position((double)get_value());
 911         return 1;
 912 }
 913
 914 void CWindowSlider::set_position()
 915 {
 916         double new_length = mwindow->edl->tracks->total_length();
 917         update(mwindow->theme->cslider_w,
 918                 mwindow->edl->local_session->get_selectionstart(1),
 919                 0, new_length);
 920 }
 921
 922
 923 int CWindowSlider::increase_value()
 924 {
 925         unlock_window();
 926         cwindow->gui->transport->handle_transport(SINGLE_FRAME_FWD);
 927         lock_window("CWindowSlider::increase_value");
 928         return 1;
 929 }
 930
 931 int CWindowSlider::decrease_value()
 932 {
 933         unlock_window();
 934         cwindow->gui->transport->handle_transport(SINGLE_FRAME_REWIND);
 935         lock_window("CWindowSlider::decrease_value");
 936         return 1;
 937 }
 938 #endif // USE_SLIDER
 939
 940
 941 CWindowTransport::CWindowTransport(MWindow *mwindow,
 942         CWindowGUI *gui, int x, int y)
 943  : PlayTransport(mwindow, gui, x, y)
 944 {
 945         this->gui = gui;
 946 }
 947
 948 EDL* CWindowTransport::get_edl()
 949 {
 950         return mwindow->edl;
 951 }
 952
 953 void CWindowTransport::goto_start()
 954 {
 955         gui->unlock_window();
 956         handle_transport(REWIND, 1);
 957
 958         mwindow->gui->lock_window("CWindowTransport::goto_start 1");
 959         mwindow->goto_start();
 960         mwindow->gui->unlock_window();
 961
 962         gui->lock_window("CWindowTransport::goto_start 2");
 963 }
 964
 965 void CWindowTransport::goto_end()
 966 {
 967         gui->unlock_window();
 968         handle_transport(GOTO_END, 1);
 969
 970         mwindow->gui->lock_window("CWindowTransport::goto_end 1");
 971         mwindow->goto_end();
 972         mwindow->gui->unlock_window();
 973
 974         gui->lock_window("CWindowTransport::goto_end 2");
 975 }
 976
 977 CWindowCanvasToggleControls::CWindowCanvasToggleControls(CWindowCanvas *canvas)
 978  : BC_MenuItem(calculate_text(canvas->get_controls()))
 979 {
 980         this->canvas = canvas;
 981 }
 982 int CWindowCanvasToggleControls::handle_event()
 983 {
 984         canvas->toggle_controls();
 985         set_text(calculate_text(canvas->get_controls()));
 986         return 1;
 987 }
 988
 989 const char *CWindowCanvasToggleControls::calculate_text(int controls)
 990 {
 991         return !controls ? _("Show controls") : _("Hide controls");
 992 }
 993
 994
 995 CWindowCanvas::CWindowCanvas(MWindow *mwindow, CWindowGUI *gui)
 996  : Canvas(mwindow, gui,
 997         mwindow->theme->ccanvas_x, mwindow->theme->ccanvas_y,
 998         mwindow->theme->ccanvas_w, mwindow->theme->ccanvas_h,
 999         0, 0, mwindow->edl->session->cwindow_scrollbars)
1000 {
1001         this->mwindow = mwindow;
1002         this->gui = gui;
1003         last_xscroll = 0;
1004         last_yscroll = 0;
1005         last_zoom = 0;
1006         controls = 0;
1007 }
1008
1009 void CWindowCanvas::create_objects(EDL *edl)
1010 {
1011         Canvas::create_objects(edl);
1012         canvas_menu->add_item(new CanvasPopupAuto(this));
1013         canvas_menu->add_item(new CanvasPopupResetCamera(this));
1014         canvas_menu->add_item(new CanvasPopupResetProjector(this));
1015         canvas_menu->add_item(new CanvasPopupCameraKeyframe(this));
1016         canvas_menu->add_item(new CanvasPopupProjectorKeyframe(this));
1017         canvas_menu->add_item(controls = new CWindowCanvasToggleControls(this));
1018         fullscreen_menu->add_item(new CanvasPopupAuto(this));
1019 }
1020
1021 void CWindowCanvas::status_event()
1022 {
1023         gui->draw_status(1);
1024 }
1025
1026 void CWindowCanvas::update_zoom(int x, int y, float zoom)
1027 {
1028         mwindow->edl->session->cwindow_xscroll = x;
1029         mwindow->edl->session->cwindow_yscroll = y;
1030         mwindow->edl->session->cwindow_zoom = zoom;
1031         use_scrollbars = !zoom ? 0 : 1;
1032         mwindow->edl->session->cwindow_scrollbars = use_scrollbars;
1033 }
1034
1035 int CWindowCanvas::set_fullscreen(int on, int unlock)
1036 {
1037         int ret = 0;
1038         if( on && !get_fullscreen() ) {
1039                 last_xscroll = get_xscroll();
1040                 last_yscroll = get_yscroll();
1041                 last_zoom = get_zoom();
1042                 Canvas::set_fullscreen(1, unlock);
1043 //              zoom_auto();
1044                 ret = 1;
1045         }
1046         if( !on && get_fullscreen() ) {
1047                 Canvas::set_fullscreen(0, unlock);
1048                 gui->zoom_panel->update(get_zoom());
1049                 update_zoom(last_xscroll, last_yscroll, last_zoom);
1050                 gui->update_canvas();
1051                 ret = 1;
1052         }
1053         return ret;
1054 }
1055
1056 int CWindowCanvas::get_xscroll()
1057 {
1058         return mwindow->edl->session->cwindow_xscroll;
1059 }
1060
1061 int CWindowCanvas::get_yscroll()
1062 {
1063         return mwindow->edl->session->cwindow_yscroll;
1064 }
1065
1066
1067 float CWindowCanvas::get_zoom()
1068 {
1069         return mwindow->edl->session->cwindow_zoom;
1070 }
1071
1072 void CWindowCanvas::zoom_auto()
1073 {
1074         use_scrollbars = 0;
1075         set_zoom(mwindow->edl, 0);
1076         gui->update_canvas();
1077 }
1078
1079 int CWindowCanvas::do_scroll(EDL *edl, float cursor_x, float cursor_y)
1080 {
1081         float zoom = get_zoom();
1082         float zoom_x, zoom_y, conformed_w, conformed_h;
1083         get_zooms(edl, 0, zoom_x, zoom_y, conformed_w, conformed_h);
1084         if( !zoom ) {
1085                 x = get_x_offset(mwindow->edl, 0, zoom_x, conformed_w, conformed_h);
1086                 y = get_y_offset(mwindow->edl, 0, zoom_y, conformed_w, conformed_h);
1087                 zoom = get_auto_zoom(mwindow->edl);
1088         }
1089         else {
1090                 x = gui->x_origin - cursor_x / zoom_x;
1091                 y = gui->y_origin - cursor_y / zoom_y;
1092         }
1093         update_zoom(x, y, zoom);
1094         gui->update_canvas();
1095         return 1;
1096 }
1097
1098 int CWindowCanvas::scope_on()
1099 {
1100         EditPanelScopeDialog *scope_dialog = gui->edit_panel->scope_dialog;
1101         if( !scope_dialog || !scope_dialog->scope_gui ) return 0;
1102         if( scope_dialog->scope_gui->use_refresh ) return 0;
1103         if( scope_dialog->scope_gui->use_release ) return 0;
1104         return scope_dialog->running();
1105 }
1106
1107 void CWindowCanvas::draw_scope(VFrame *output, int refresh)
1108 {
1109         if( !output ) return;
1110         EditPanelScopeDialog *scope_dialog = gui->edit_panel->scope_dialog;
1111         if( !scope_dialog || !scope_dialog->scope_gui ) return;
1112         if( scope_dialog->scope_gui->use_refresh && !refresh ) return;
1113         if( scope_dialog->scope_gui->use_release && refresh >= 0 ) return;
1114         scope_dialog->process(output);
1115 }
1116
1117 void CWindowCanvas::draw_refresh(int flush)
1118 {
1119         BC_WindowBase *window = get_canvas();
1120         if( window && !window->get_video_on() ) {
1121                 clear(0);
1122                 if( refresh_frame && refresh_frame->get_w()>0 && refresh_frame->get_h()>0 ) {
1123                         float in_x1, in_y1, in_x2, in_y2;
1124                         float out_x1, out_y1, out_x2, out_y2;
1125                         get_transfers(mwindow->edl,
1126                                 in_x1, in_y1, in_x2, in_y2,
1127                                 out_x1, out_y1, out_x2, out_y2);
1128
1129
1130 //printf("CWindowCanvas::draw_refresh %.2f %.2f %.2f %.2f -> %.2f %.2f %.2f %.2f\n",
1131 //in_x1, in_y1, in_x2, in_y2, out_x1, out_y1, out_x2, out_y2);
1132
1133
1134                         if( out_x2 > out_x1 && out_y2 > out_y1 &&
1135                             in_x2 > in_x1 && in_y2 > in_y1 ) {
1136 // input scaled from session to refresh frame coordinates
1137                                 int ow = get_output_w(mwindow->edl);
1138                                 int oh = get_output_h(mwindow->edl);
1139                                 int rw = refresh_frame->get_w();
1140                                 int rh = refresh_frame->get_h();
1141                                 float xs = (float)rw / ow;
1142                                 float ys = (float)rh / oh;
1143                                 in_x1 *= xs;  in_x2 *= xs;
1144                                 in_y1 *= ys;  in_y2 *= ys;
1145 // Can't use OpenGL here because it is called asynchronously of the
1146 // playback operation.
1147                                 window->draw_vframe(refresh_frame,
1148                                                 (int)out_x1, (int)out_y1,
1149                                                 (int)(out_x2 - out_x1),
1150                                                 (int)(out_y2 - out_y1),
1151                                                 (int)in_x1, (int)in_y1,
1152                                                 (int)(in_x2 - in_x1),
1153                                                 (int)(in_y2 - in_y1),
1154                                                 0);
1155                         }
1156                 }
1157 //usleep(10000);
1158                 draw_overlays();
1159                 window->flash(flush);
1160         }
1161 //printf("CWindowCanvas::draw_refresh 10\n");
1162 }
1163
1164 #define CROPHANDLE_W xS(10)
1165 #define CROPHANDLE_H yS(10)
1166
1167 void CWindowCanvas::draw_crophandle(int x, int y)
1168 {
1169         get_canvas()->draw_box(x, y, CROPHANDLE_W, CROPHANDLE_H);
1170 }
1171
1172
1173 #define CONTROL_W xS(10)
1174 #define CONTROL_H yS(10)
1175 #define FIRST_CONTROL_W xS(20)
1176 #define FIRST_CONTROL_H yS(20)
1177 #undef BC_INFINITY
1178 #define BC_INFINITY 65536
1179
1180 #define RULERHANDLE_W xS(16)
1181 #define RULERHANDLE_H yS(16)
1182
1183 int CWindowCanvas::do_ruler(int draw, int motion,
1184                 int button_press, int button_release)
1185 {
1186         int result = 0;
1187         EDLSession *session = mwindow->edl->session;
1188         float x1 = session->ruler_x1;
1189         float y1 = session->ruler_y1;
1190         float x2 = session->ruler_x2;
1191         float y2 = session->ruler_y2;
1192         float canvas_x1 = x1;
1193         float canvas_y1 = y1;
1194         float canvas_x2 = x2;
1195         float canvas_y2 = y2;
1196         float output_x = get_cursor_x();
1197         float output_y = get_cursor_y();
1198         float canvas_cursor_x = output_x;
1199         float canvas_cursor_y = output_y;
1200
1201         canvas_to_output(mwindow->edl, 0, output_x, output_y);
1202         output_to_canvas(mwindow->edl, 0, canvas_x1, canvas_y1);
1203         output_to_canvas(mwindow->edl, 0, canvas_x2, canvas_y2);
1204         mwindow->session->cwindow_output_x = roundf(output_x);
1205         mwindow->session->cwindow_output_y = roundf(output_y);
1206
1207         if( button_press && get_buttonpress() == 1 ) {
1208                 gui->ruler_handle = -1;
1209                 gui->ruler_translate = 0;
1210                 if( gui->alt_down() ) {
1211                         gui->ruler_translate = 1;
1212                         gui->ruler_origin_x = x1;
1213                         gui->ruler_origin_y = y1;
1214                 }
1215                 else
1216                 if( canvas_cursor_x >= canvas_x1 - RULERHANDLE_W / 2 &&
1217                         canvas_cursor_x < canvas_x1 + RULERHANDLE_W / 2 &&
1218                         canvas_cursor_y >= canvas_y1 - RULERHANDLE_W &&
1219                         canvas_cursor_y < canvas_y1 + RULERHANDLE_H / 2 ) {
1220                         gui->ruler_handle = 0;
1221                         gui->ruler_origin_x = x1;
1222                         gui->ruler_origin_y = y1;
1223                 }
1224                 else
1225                 if( canvas_cursor_x >= canvas_x2 - RULERHANDLE_W / 2 &&
1226                         canvas_cursor_x < canvas_x2 + RULERHANDLE_W / 2 &&
1227                         canvas_cursor_y >= canvas_y2 - RULERHANDLE_W &&
1228                         canvas_cursor_y < canvas_y2 + RULERHANDLE_H / 2 ) {
1229                         gui->ruler_handle = 1;
1230                         gui->ruler_origin_x = x2;
1231                         gui->ruler_origin_y = y2;
1232                 }
1233
1234
1235 // Start new selection
1236                 if( !gui->ruler_translate &&
1237                         (gui->ruler_handle < 0 ||
1238                         (EQUIV(x2, x1) &&
1239                         EQUIV(y2, y1))) ) {
1240 // Hide previous
1241                         do_ruler(1, 0, 0, 0);
1242                         get_canvas()->flash();
1243                         gui->ruler_handle = 1;
1244                         session->ruler_x1 = output_x;
1245                         session->ruler_y1 = output_y;
1246                         session->ruler_x2 = output_x;
1247                         session->ruler_y2 = output_y;
1248                         gui->ruler_origin_x = session->ruler_x2;
1249                         gui->ruler_origin_y = session->ruler_y2;
1250                 }
1251
1252                 gui->x_origin = output_x;
1253                 gui->y_origin = output_y;
1254                 gui->current_operation = CWINDOW_RULER;
1255                 gui->tool_panel->raise_window();
1256                 result = 1;
1257         }
1258
1259         if( motion ) {
1260                 if( gui->current_operation == CWINDOW_RULER ) {
1261                         if( gui->ruler_translate ) {
1262 // Hide ruler
1263                                 do_ruler(1, 0, 0, 0);
1264                                 float x_difference = session->ruler_x1;
1265                                 float y_difference = session->ruler_y1;
1266                                 session->ruler_x1 = output_x - gui->x_origin + gui->ruler_origin_x;
1267                                 session->ruler_y1 = output_y - gui->y_origin + gui->ruler_origin_y;
1268                                 x_difference -= session->ruler_x1;
1269                                 y_difference -= session->ruler_y1;
1270                                 session->ruler_x2 -= x_difference;
1271                                 session->ruler_y2 -= y_difference;
1272 // Show ruler
1273                                 do_ruler(1, 0, 0, 0);
1274                                 get_canvas()->flash();
1275                                 gui->update_tool();
1276                         }
1277                         else {
1278                                 switch( gui->ruler_handle ) {
1279                                 case 0:
1280                                         do_ruler(1, 0, 0, 0);
1281                                         session->ruler_x1 = output_x - gui->x_origin + gui->ruler_origin_x;
1282                                         session->ruler_y1 = output_y - gui->y_origin + gui->ruler_origin_y;
1283                                         if( gui->alt_down() || gui->ctrl_down() ) {
1284                                                 double angle_value = fabs(atan((session->ruler_y2 - session->ruler_y1) /
1285                                                         (session->ruler_x2 - session->ruler_x1)) *
1286                                                         360 / 2 / M_PI);
1287                                                 double distance_value =
1288                                                         sqrt(SQR(session->ruler_x2 - session->ruler_x1) +
1289                                                         SQR(session->ruler_y2 - session->ruler_y1));
1290                                                 if( angle_value < 22 )
1291                                                         session->ruler_y1 = session->ruler_y2;
1292                                                 else
1293                                                 if( angle_value > 67 )
1294                                                         session->ruler_x1 = session->ruler_x2;
1295                                                 else
1296                                                 if( session->ruler_x1 < session->ruler_x2 &&
1297                                                         session->ruler_y1 < session->ruler_y2 ) {
1298                                                         session->ruler_x1 = session->ruler_x2 - distance_value / 1.414214;
1299                                                         session->ruler_y1 = session->ruler_y2 - distance_value / 1.414214;
1300                                                 }
1301                                                 else
1302                                                 if( session->ruler_x1 < session->ruler_x2 && session->ruler_y1 > session->ruler_y2 ) {
1303                                                         session->ruler_x1 = session->ruler_x2 - distance_value / 1.414214;
1304                                                         session->ruler_y1 = session->ruler_y2 + distance_value / 1.414214;
1305                                                 }
1306                                                 else
1307                                                 if( session->ruler_x1 > session->ruler_x2 &&
1308                                                         session->ruler_y1 < session->ruler_y2 ) {
1309                                                         session->ruler_x1 = session->ruler_x2 + distance_value / 1.414214;
1310                                                         session->ruler_y1 = session->ruler_y2 - distance_value / 1.414214;
1311                                                 }
1312                                                 else {
1313                                                         session->ruler_x1 = session->ruler_x2 + distance_value / 1.414214;
1314                                                         session->ruler_y1 = session->ruler_y2 + distance_value / 1.414214;
1315                                                 }
1316                                         }
1317                                         do_ruler(1, 0, 0, 0);
1318                                         get_canvas()->flash();
1319                                         gui->update_tool();
1320                                         break;
1321
1322                                 case 1:
1323                                         do_ruler(1, 0, 0, 0);
1324                                         session->ruler_x2 = output_x - gui->x_origin + gui->ruler_origin_x;
1325                                         session->ruler_y2 = output_y - gui->y_origin + gui->ruler_origin_y;
1326                                         if( gui->alt_down() || gui->ctrl_down() ) {
1327                                                 double angle_value = fabs(atan((session->ruler_y2 - session->ruler_y1) /
1328                                                         (session->ruler_x2 - session->ruler_x1)) *
1329                                                         360 / 2 / M_PI);
1330                                                 double distance_value =
1331                                                         sqrt(SQR(session->ruler_x2 - session->ruler_x1) +
1332                                                         SQR(session->ruler_y2 - session->ruler_y1));
1333                                                 if( angle_value < 22 )
1334                                                         session->ruler_y2 = session->ruler_y1;
1335                                                 else
1336                                                 if( angle_value > 67 )
1337                                                         session->ruler_x2 = session->ruler_x1;
1338                                                 else
1339                                                 if( session->ruler_x2 < session->ruler_x1 &&
1340                                                         session->ruler_y2 < session->ruler_y1 ) {
1341                                                         session->ruler_x2 = session->ruler_x1 - distance_value / 1.414214;
1342                                                         session->ruler_y2 = session->ruler_y1 - distance_value / 1.414214;
1343                                                 }
1344                                                 else
1345                                                 if( session->ruler_x2 < session->ruler_x1 &&
1346                                                         session->ruler_y2 > session->ruler_y1 ) {
1347                                                         session->ruler_x2 = session->ruler_x1 - distance_value / 1.414214;
1348                                                         session->ruler_y2 = session->ruler_y1 + distance_value / 1.414214;
1349                                                 }
1350                                                 else
1351                                                 if( session->ruler_x2 > session->ruler_x1 && session->ruler_y2 < session->ruler_y1 ) {
1352                                                         session->ruler_x2 = session->ruler_x1 + distance_value / 1.414214;
1353                                                         session->ruler_y2 = session->ruler_y1 - distance_value / 1.414214;
1354                                                 }
1355                                                 else {
1356                                                         session->ruler_x2 = session->ruler_x1 + distance_value / 1.414214;
1357                                                         session->ruler_y2 = session->ruler_y1 + distance_value / 1.414214;
1358                                                 }
1359                                         }
1360                                         do_ruler(1, 0, 0, 0);
1361                                         get_canvas()->flash();
1362                                         gui->update_tool();
1363                                         break;
1364                                 }
1365                         }
1366 //printf("CWindowCanvas::do_ruler 2 %f %f %f %f\n", gui->ruler_x1, gui->ruler_y1, gui->ruler_x2, gui->ruler_y2);
1367                 }
1368                 else {
1369 // printf("CWindowCanvas::do_ruler 2 %f %f %f %f\n",
1370 // canvas_cursor_x,
1371 // canvas_cursor_y,
1372 // canvas_x1,
1373 // canvas_y1);
1374                         if( canvas_cursor_x >= canvas_x1 - RULERHANDLE_W / 2 &&
1375                                 canvas_cursor_x < canvas_x1 + RULERHANDLE_W / 2 &&
1376                                 canvas_cursor_y >= canvas_y1 - RULERHANDLE_W &&
1377                                 canvas_cursor_y < canvas_y1 + RULERHANDLE_H / 2 ) {
1378                                 set_cursor(UPRIGHT_ARROW_CURSOR);
1379                         }
1380                         else
1381                         if( canvas_cursor_x >= canvas_x2 - RULERHANDLE_W / 2 &&
1382                                 canvas_cursor_x < canvas_x2 + RULERHANDLE_W / 2 &&
1383                                 canvas_cursor_y >= canvas_y2 - RULERHANDLE_W &&
1384                                 canvas_cursor_y < canvas_y2 + RULERHANDLE_H / 2 ) {
1385                                 set_cursor(UPRIGHT_ARROW_CURSOR);
1386                         }
1387                         else
1388                                 set_cursor(CROSS_CURSOR);
1389
1390 // Update current position
1391                         gui->update_tool();
1392                 }
1393         }
1394
1395 // Assume no ruler measurement if 0 length
1396         if( draw && (!EQUIV(x2, x1) || !EQUIV(y2, y1)) ) {
1397                 get_canvas()->set_inverse();
1398                 get_canvas()->set_color(WHITE);
1399                 get_canvas()->draw_line((int)canvas_x1,
1400                         (int)canvas_y1,
1401                         (int)canvas_x2,
1402                         (int)canvas_y2);
1403                 get_canvas()->draw_line(roundf(canvas_x1) - RULERHANDLE_W / 2,
1404                         roundf(canvas_y1),
1405                         roundf(canvas_x1) + RULERHANDLE_W / 2,
1406                         roundf(canvas_y1));
1407                 get_canvas()->draw_line(roundf(canvas_x1),
1408                         roundf(canvas_y1) - RULERHANDLE_H / 2,
1409                         roundf(canvas_x1),
1410                         roundf(canvas_y1) + RULERHANDLE_H / 2);
1411                 get_canvas()->draw_line(roundf(canvas_x2) - RULERHANDLE_W / 2,
1412                         roundf(canvas_y2),
1413                         roundf(canvas_x2) + RULERHANDLE_W / 2,
1414                         roundf(canvas_y2));
1415                 get_canvas()->draw_line(roundf(canvas_x2),
1416                         roundf(canvas_y2) - RULERHANDLE_H / 2,
1417                         roundf(canvas_x2),
1418                         roundf(canvas_y2) + RULERHANDLE_H / 2);
1419                 get_canvas()->set_opaque();
1420         }
1421
1422         return result;
1423 }
1424
1425
1426 static inline double line_dist(float cx,float cy, float tx,float ty)
1427 {
1428         double dx = tx-cx, dy = ty-cy;
1429         return sqrt(dx*dx + dy*dy);
1430 }
1431
1432 static inline bool test_bbox(int cx, int cy, int tx, int ty)
1433 {
1434 //      printf("test_bbox %d,%d - %d,%d = %f\n",cx,cy,tx,ty,line_dist(cx,cy,tx,ty));
1435         return (llabs(cx-tx) < CONTROL_W/2 && llabs(cy-ty) < CONTROL_H/2);
1436 }
1437
1438
1439 int CWindowCanvas::do_mask(int &redraw, int &rerender,
1440                 int button_press, int cursor_motion, int draw)
1441 {
1442 // Retrieve points from top recordable track
1443 //printf("CWindowCanvas::do_mask 1\n");
1444         Track *track = gui->cwindow->calculate_mask_track();
1445 //printf("CWindowCanvas::do_mask 2\n");
1446
1447         if( !track ) return 0;
1448 //printf("CWindowCanvas::do_mask 3\n");
1449         CWindowMaskGUI *mask_gui = (CWindowMaskGUI *)
1450                 (gui->tool_panel ? gui->tool_panel->tool_gui : 0);
1451         int draw_markers = mask_gui ? mask_gui->markers : 0;
1452         int draw_boundary = mask_gui ? mask_gui->boundary : 0;
1453         MaskAutos *mask_autos = (MaskAutos*)track->automation->autos[AUTOMATION_MASK];
1454         int64_t position = track->to_units(
1455                 mwindow->edl->local_session->get_selectionstart(1),
1456                 0);
1457         Auto *prev_auto = 0;
1458         mask_autos->get_prev_auto(position, PLAY_FORWARD, (Auto *&)prev_auto, 1);
1459         MaskAuto *prev_mask = (MaskAuto *)prev_auto;
1460         MaskPoints points;
1461         int update_points = 1;
1462 // Determine the points based on whether
1463 // new keyframes will be generated or drawing is performed.
1464 // If keyframe generation occurs, use the interpolated mask.
1465 // If no keyframe generation occurs, use the previous mask.
1466         int use_interpolated = 0;
1467         if( button_press || cursor_motion ) {
1468 #ifdef USE_KEYFRAME_SPANNING
1469                 double selection_start = mwindow->edl->local_session->get_selectionstart(0);
1470                 double selection_end = mwindow->edl->local_session->get_selectionend(0);
1471                 int64_t start_pos = track->to_units(selection_start, 0);
1472                 int64_t end_pos = track->to_units(selection_end, 0);
1473                 Auto *first = 0, *last = 0;
1474                 mask_autos->get_prev_auto(start_pos, PLAY_FORWARD, first, 1);
1475                 mask_autos->get_prev_auto(end_pos, PLAY_FORWARD, last, 1);
1476                 if( last == first && (!mwindow->edl->session->auto_keyframes) )
1477                         use_interpolated = 0;
1478                 else
1479 // If keyframe spanning occurs, use the interpolated points.
1480 // If new keyframe is generated, use the interpolated points.
1481                         use_interpolated = 1;
1482
1483 #else
1484                 if( mwindow->edl->session->auto_keyframes )
1485                         use_interpolated = 1;
1486 #endif
1487         }
1488         else
1489                 use_interpolated = 1;
1490
1491         if( use_interpolated ) {
1492 // Interpolate the points to get exactly what is being rendered at this position.
1493                 mask_autos->get_points(&points,
1494                         mwindow->edl->session->cwindow_mask,
1495                         position, PLAY_FORWARD);
1496         }
1497         else {
1498 // Use the prev mask
1499                 prev_mask->get_points(&points,
1500                         mwindow->edl->session->cwindow_mask);
1501         }
1502
1503 // Projector zooms relative to the center of the track output.
1504         float half_track_w = (float)track->track_w / 2;
1505         float half_track_h = (float)track->track_h / 2;
1506 // Translate mask to projection
1507         float projector_x, projector_y, projector_z;
1508         track->automation->get_projector(
1509                 &projector_x, &projector_y, &projector_z,
1510                 position, PLAY_FORWARD);
1511
1512
1513 // Get position of cursor relative to mask
1514         float cursor_x = get_cursor_x(), cursor_y = get_cursor_y();
1515         float mask_cursor_x = cursor_x, mask_cursor_y = cursor_y;
1516         canvas_to_output(mwindow->edl, 0, mask_cursor_x, mask_cursor_y);
1517
1518         projector_x += mwindow->edl->session->output_w / 2;
1519         projector_y += mwindow->edl->session->output_h / 2;
1520         mask_cursor_x = (mask_cursor_x - projector_x) / projector_z + half_track_w;
1521         mask_cursor_y = (mask_cursor_y - projector_y) / projector_z + half_track_h;
1522
1523 // Fix cursor origin
1524         if( button_press ) {
1525                 gui->x_origin = mask_cursor_x;
1526                 gui->y_origin = mask_cursor_y;
1527         }
1528
1529         int result = 0;
1530 // Points of closest line
1531         int shortest_point1 = -1;
1532         int shortest_point2 = -1;
1533 // Closest point
1534         int shortest_point = -1;
1535 // Distance to closest line
1536         float shortest_line_distance = BC_INFINITY;
1537 // Distance to closest point
1538         float shortest_point_distance = BC_INFINITY;
1539         int selected_point = -1;
1540         int selected_control_point = -1;
1541         float selected_control_point_distance = BC_INFINITY;
1542         ArrayList<int> x_points;
1543         ArrayList<int> y_points;
1544
1545         if( !cursor_motion ) {
1546                 if( draw ) {
1547                         get_canvas()->set_color(WHITE);
1548                         get_canvas()->set_inverse();
1549                 }
1550 //printf("CWindowCanvas::do_mask 1 %d\n", points.size());
1551
1552 // Never draw closed polygon and a closed
1553 // polygon is harder to add points to.
1554                 for( int i = 0; i < points.size() && !result; i++ ) {
1555                         MaskPoint *point1 = points.get(i);
1556                         MaskPoint *point2 = (i >= points.size() - 1) ?
1557                                 points.get(0) : points.get(i + 1);
1558                         if( button_press ) {
1559                                 float point_distance1 = line_dist(point1->x,point1->y, mask_cursor_x,mask_cursor_y);
1560                                 if( point_distance1 < shortest_point_distance || shortest_point < 0 ) {
1561                                         shortest_point_distance = point_distance1;
1562                                         shortest_point = i;
1563                                 }
1564
1565                                 float point_distance2 = line_dist(point2->x,point2->y, mask_cursor_x,mask_cursor_y);
1566                                 if( point_distance2 < shortest_point_distance || shortest_point < 0 ) {
1567                                         shortest_point_distance = point_distance2;
1568                                         shortest_point = (i >= points.size() - 1) ? 0 : (i + 1);
1569                                 }
1570                         }
1571
1572                         int segments = 1 + line_dist(point1->x,point1->y, point2->x,point2->y);
1573
1574 //printf("CWindowCanvas::do_mask 1 %f, %f -> %f, %f projectorz=%f\n",
1575 //point1->x, point1->y, point2->x, point2->y, projector_z);
1576                         for( int j = 0; j <= segments && !result; j++ ) {
1577 //printf("CWindowCanvas::do_mask 1 %f, %f -> %f, %f\n", x0, y0, x3, y3);
1578                                 float x0 = point1->x, y0 = point1->y;
1579                                 float x1 = point1->x + point1->control_x2;
1580                                 float y1 = point1->y + point1->control_y2;
1581                                 float x2 = point2->x + point2->control_x1;
1582                                 float y2 = point2->y + point2->control_y1;
1583                                 float x3 = point2->x, y3 = point2->y;
1584                                 float canvas_x0 = (x0 - half_track_w) * projector_z + projector_x;
1585                                 float canvas_y0 = (y0 - half_track_h) * projector_z + projector_y;
1586                                 float canvas_x1 = (x1 - half_track_w) * projector_z + projector_x;
1587                                 float canvas_y1 = (y1 - half_track_h) * projector_z + projector_y;
1588                                 float canvas_x2 = (x2 - half_track_w) * projector_z + projector_x;
1589                                 float canvas_y2 = (y2 - half_track_h) * projector_z + projector_y;
1590                                 float canvas_x3 = (x3 - half_track_w) * projector_z + projector_x;
1591                                 float canvas_y3 = (y3 - half_track_h) * projector_z + projector_y;
1592
1593                                 float t = (float)j / segments;
1594                                 float tpow2 = t * t;
1595                                 float tpow3 = t * t * t;
1596                                 float invt = 1 - t;
1597                                 float invtpow2 = invt * invt;
1598                                 float invtpow3 = invt * invt * invt;
1599
1600                                 float x = (           invtpow3 * x0
1601                                         + 3 * t     * invtpow2 * x1
1602                                         + 3 * tpow2 * invt     * x2
1603                                         +     tpow3            * x3);
1604                                 float y = (           invtpow3 * y0
1605                                         + 3 * t     * invtpow2 * y1
1606                                         + 3 * tpow2 * invt     * y2
1607                                         +     tpow3            * y3);
1608                                 float canvas_x = (x - half_track_w) * projector_z + projector_x;
1609                                 float canvas_y = (y - half_track_h) * projector_z + projector_y;
1610 // Test new point addition
1611                                 if( button_press ) {
1612                                         float line_distance = line_dist(x,y, mask_cursor_x,mask_cursor_y);
1613
1614 //printf("CWindowCanvas::do_mask 1 x=%f cursor_x=%f y=%f cursor_y=%f %f %f %d, %d\n",
1615 //  x, cursor_x, y, cursor_y, line_distance, shortest_line_distance, shortest_point1, shortest_point2);
1616                                         if( line_distance < shortest_line_distance ||
1617                                                 shortest_point1 < 0 ) {
1618                                                 shortest_line_distance = line_distance;
1619                                                 shortest_point1 = i;
1620                                                 shortest_point2 = (i >= points.size() - 1) ? 0 : (i + 1);
1621 //printf("CWindowCanvas::do_mask 2 %f %f %d, %d\n",
1622 //  line_distance, shortest_line_distance, shortest_point1, shortest_point2);
1623                                         }
1624
1625 // Test existing point selection
1626 // Test first point
1627                                         if( gui->ctrl_down() ) {
1628                                                 float distance = line_dist(x1,y1, mask_cursor_x,mask_cursor_y);
1629
1630                                                 if( distance < selected_control_point_distance ) {
1631                                                         selected_point = i;
1632                                                         selected_control_point = 1;
1633                                                         selected_control_point_distance = distance;
1634                                                 }
1635                                         }
1636                                         else {
1637                                                 if( !gui->shift_down() ) {
1638                                                         output_to_canvas(mwindow->edl, 0, canvas_x0, canvas_y0);
1639                                                         if( test_bbox(cursor_x, cursor_y, canvas_x0, canvas_y0) ) {
1640                                                                 selected_point = i;
1641                                                         }
1642                                                 }
1643                                                 else {
1644                                                         selected_point = shortest_point;
1645                                                 }
1646                                         }
1647 // Test second point
1648                                         if( gui->ctrl_down() ) {
1649                                                 float distance = line_dist(x2,y2, mask_cursor_x,mask_cursor_y);
1650
1651 //printf("CWindowCanvas::do_mask %d %f %f\n", i, distance, selected_control_point_distance);
1652                                                 if( distance < selected_control_point_distance ) {
1653                                                         selected_point = (i < points.size() - 1 ? i + 1 : 0);
1654                                                         selected_control_point = 0;
1655                                                         selected_control_point_distance = distance;
1656                                                 }
1657                                         }
1658                                         else if( i < points.size() - 1 ) {
1659                                                 if( !gui->shift_down() ) {
1660                                                         output_to_canvas(mwindow->edl, 0, canvas_x3, canvas_y3);
1661                                                         if( test_bbox(cursor_x, cursor_y, canvas_x3, canvas_y3) ) {
1662                                                                 selected_point = (i < points.size() - 1 ? i + 1 : 0);
1663                                                         }
1664                                                 }
1665                                                 else {
1666                                                         selected_point = shortest_point;
1667                                                 }
1668                                         }
1669                                 }
1670
1671                                 output_to_canvas(mwindow->edl, 0, canvas_x, canvas_y);
1672
1673                                 if( j > 0 ) {
1674
1675                                         if( draw ) { // Draw joining line
1676                                                 x_points.append((int)canvas_x);
1677                                                 y_points.append((int)canvas_y);
1678                                         }
1679
1680                                         if( j == segments ) {
1681                                                 if( draw && draw_markers ) { // Draw second anchor
1682                                                         if( i < points.size() - 1 ) {
1683                                                                 if( i == gui->affected_point - 1 )
1684                                                                         get_canvas()->draw_disc(
1685                                                                                 (int)canvas_x - CONTROL_W / 2,
1686                                                                                 (int)canvas_y - CONTROL_W / 2,
1687                                                                                 CONTROL_W, CONTROL_H);
1688                                                                 else
1689                                                                         get_canvas()->draw_circle(
1690                                                                                 (int)canvas_x - CONTROL_W / 2,
1691                                                                                 (int)canvas_y - CONTROL_W / 2,
1692                                                                                 CONTROL_W, CONTROL_H);
1693 // char string[BCTEXTLEN];
1694 // sprintf(string, "%d", (i < points.size() - 1 ? i + 1 : 0));
1695 // canvas->draw_text((int)canvas_x + CONTROL_W, (int)canvas_y + CONTROL_W, string);
1696                                                         }
1697 // Draw second control point.
1698                                                         output_to_canvas(mwindow->edl, 0, canvas_x2, canvas_y2);
1699                                                         get_canvas()->draw_line(
1700                                                                 (int)canvas_x, (int)canvas_y,
1701                                                                 (int)canvas_x2, (int)canvas_y2);
1702                                                         get_canvas()->draw_rectangle(
1703                                                                 (int)canvas_x2 - CONTROL_W / 2,
1704                                                                 (int)canvas_y2 - CONTROL_H / 2,
1705                                                                 CONTROL_W, CONTROL_H);
1706                                                 }
1707                                         }
1708                                 }
1709                                 else {
1710 // Draw first anchor
1711                                         if( i == 0 && draw ) {
1712                                                 if( draw_boundary ) {
1713                                                         char mask_label[BCSTRLEN];
1714                                                         int k = mwindow->edl->session->cwindow_mask;
1715                                                         if( !prev_mask || k < 0 || k >= prev_mask->masks.size() )
1716                                                                 sprintf(mask_label, "%d", k);
1717                                                         else
1718                                                                 sprintf(mask_label, "%s", prev_mask->masks[k]->name);
1719                                                         get_canvas()->draw_text(
1720                                                                 (int)canvas_x - FIRST_CONTROL_W,
1721                                                                 (int)canvas_y - FIRST_CONTROL_H,
1722                                                                 mask_label);
1723                                                 }
1724                                                 if( draw_markers ) {
1725                                                         get_canvas()->draw_disc(
1726                                                                 (int)canvas_x - FIRST_CONTROL_W / 2,
1727                                                                 (int)canvas_y - FIRST_CONTROL_H / 2,
1728                                                                 FIRST_CONTROL_W, FIRST_CONTROL_H);
1729                                                 }
1730                                         }
1731
1732 // Draw first control point.
1733                                         if( draw && draw_markers ) {
1734                                                 output_to_canvas(mwindow->edl, 0, canvas_x1, canvas_y1);
1735                                                 get_canvas()->draw_line(
1736                                                         (int)canvas_x, (int)canvas_y,
1737                                                         (int)canvas_x1, (int)canvas_y1);
1738                                                 get_canvas()->draw_rectangle(
1739                                                         (int)canvas_x1 - CONTROL_W / 2,
1740                                                         (int)canvas_y1 - CONTROL_H / 2,
1741                                                         CONTROL_W, CONTROL_H);
1742
1743                                                 x_points.append((int)canvas_x);
1744                                                 y_points.append((int)canvas_y);
1745                                         }
1746                                 }
1747 //printf("CWindowCanvas::do_mask 1\n");
1748
1749                         }
1750                 }
1751 //printf("CWindowCanvas::do_mask 1\n");
1752
1753                 BC_WindowBase *cvs_win = get_canvas();
1754                 if( draw && draw_boundary ) {
1755                         cvs_win->draw_polygon(&x_points, &y_points);
1756                         cvs_win->set_opaque();
1757                 }
1758                 if( draw && mask_gui && mask_gui->focused ) {
1759                         float fx = atof(mask_gui->focus_x->get_text());
1760                         float fy = atof(mask_gui->focus_y->get_text());
1761                         fx = (fx - half_track_w) * projector_z + projector_x;
1762                         fy = (fy - half_track_h) * projector_z + projector_y;
1763                         output_to_canvas(mwindow->edl, 0, fx, fy);
1764                         float r = bmax(cvs_win->get_w(), cvs_win->get_h());
1765                         float d = 0.005*r;
1766 #if 1
1767                         int fw = 2*d+3, fh = fw;
1768                         VFrame focus(fw,fh, BC_RGBA8888);
1769                         focus.transfer_from(gui->focus_frame);
1770                         fx -= fw/2.f;  fy -= fh/2.f;
1771                         BC_Pixmap focus_pixmap(cvs_win, &focus, PIXMAP_ALPHA);
1772                         cvs_win->draw_pixmap(&focus_pixmap,fx,fy);
1773 #else
1774                         cvs_win->set_line_width((int)(0.0025*r) + 1);
1775                         cvs_win->set_color(BLUE);
1776                         cvs_win->draw_line(fx-d,fy-d, fx+d, fy+d);
1777                         cvs_win->draw_line(fx-d,fy+d, fx+d, fy-d);
1778                         cvs_win->set_line_width(0);
1779                         cvs_win->set_color(WHITE);
1780 #endif
1781                 }
1782                 if( draw && mask_gui && draw_markers && points.size() ) {
1783                         float cx = 0, cy = 0;
1784                         int n = points.size();
1785                         for( int i=0; i<n; ++i ) {
1786                                 MaskPoint *point = points.get(i);
1787                                 cx += point->x;  cy += point->y;
1788                         }
1789                         cx /= n;  cy /= n;
1790                         if( !mask_gui->focused )
1791                                 mask_gui->set_focused(0, cx, cy);
1792                         cx = (cx - half_track_w) * projector_z + projector_x;
1793                         cy = (cy - half_track_h) * projector_z + projector_y;
1794                         output_to_canvas(mwindow->edl, 0, cx, cy);
1795                         float r = bmax(cvs_win->get_w(), cvs_win->get_h());
1796                         float d = 0.007*r;
1797                         cvs_win->set_line_width((int)(0.002*r) + 1);
1798                         cvs_win->set_color(ORANGE);
1799                         cvs_win->draw_line(cx-d,cy, cx+d, cy);
1800                         cvs_win->draw_line(cx,cy-d, cx, cy+d);
1801                         cvs_win->set_line_width(0);
1802                         cvs_win->set_color(WHITE);
1803                 }
1804 //printf("CWindowCanvas::do_mask 1\n");
1805         }
1806
1807         if( button_press && !result ) {
1808                 gui->affected_track = gui->cwindow->calculate_mask_track();
1809
1810 // Get keyframe outside the EDL to edit.  This must be rendered
1811 // instead of the EDL keyframes when it exists.  Then it must be
1812 // applied to the EDL keyframes on buttonrelease.
1813                 if( gui->affected_track ) {
1814 #ifdef USE_KEYFRAME_SPANNING
1815 // Make copy of current parameters in local keyframe
1816                         gui->mask_keyframe =
1817                                 (MaskAuto*)gui->cwindow->calculate_affected_auto(
1818                                         mask_autos, 0);
1819                         gui->orig_mask_keyframe->copy_data(gui->mask_keyframe);
1820 #else
1821
1822                         gui->mask_keyframe =
1823                                 (MaskAuto*)gui->cwindow->calculate_affected_auto(
1824                                         mask_autos, 1);
1825 #endif
1826                 }
1827                 SubMask *mask = gui->mask_keyframe->get_submask(mwindow->edl->session->cwindow_mask);
1828
1829                 if( get_buttonpress() == WHEEL_UP || get_buttonpress() == WHEEL_DOWN ) {
1830                         if( !gui->shift_down() ) {
1831                                 mwindow->undo->update_undo_before(_("mask rotate"), this);
1832                                 gui->current_operation = CWINDOW_MASK_ROTATE;
1833                         }
1834                         else {
1835                                 mwindow->undo->update_undo_before(_("mask scale"), this);
1836                                 gui->current_operation = CWINDOW_MASK_SCALE;
1837                         }
1838                         gui->affected_point = 0;
1839                 }
1840                 else
1841 // Translate entire keyframe
1842                 if( gui->alt_down() && mask->points.size() ) {
1843                         mwindow->undo->update_undo_before(_("mask translate"), 0);
1844                         gui->current_operation = CWINDOW_MASK_TRANSLATE;
1845                         gui->affected_point = 0;
1846                 }
1847                 else
1848 // Existing point or control point was selected
1849                 if( selected_point >= 0 ) {
1850                         mwindow->undo->update_undo_before(_("mask adjust"), 0);
1851                         gui->affected_point = selected_point;
1852
1853                         if( selected_control_point == 0 )
1854                                 gui->current_operation = CWINDOW_MASK_CONTROL_IN;
1855                         else
1856                         if( selected_control_point == 1 )
1857                                 gui->current_operation = CWINDOW_MASK_CONTROL_OUT;
1858                         else
1859                                 gui->current_operation = mwindow->edl->session->cwindow_operation;
1860                 }
1861                 else // No existing point or control point was selected so create a new one
1862                 if( !gui->ctrl_down() && !gui->alt_down() ) {
1863                         mwindow->undo->update_undo_before(_("mask point"), 0);
1864 // Create the template
1865                         MaskPoint *point = new MaskPoint;
1866                         point->x = mask_cursor_x;
1867                         point->y = mask_cursor_y;
1868                         point->control_x1 = 0;
1869                         point->control_y1 = 0;
1870                         point->control_x2 = 0;
1871                         point->control_y2 = 0;
1872
1873
1874                         if( shortest_point2 < shortest_point1 ) {
1875                                 shortest_point2 ^= shortest_point1;
1876                                 shortest_point1 ^= shortest_point2;
1877                                 shortest_point2 ^= shortest_point1;
1878                         }
1879
1880
1881
1882 // printf("CWindowGUI::do_mask 40\n");
1883 // mwindow->edl->dump();
1884 // printf("CWindowGUI::do_mask 50\n");
1885
1886
1887
1888 //printf("CWindowCanvas::do_mask 1 %f %f %d %d\n",
1889 //      shortest_line_distance, shortest_point_distance, shortest_point1, shortest_point2);
1890 //printf("CWindowCanvas::do_mask %d %d\n", shortest_point1, shortest_point2);
1891
1892 // Append to end of list
1893                         if( shortest_point1 == shortest_point2 ||
1894                             labs(shortest_point1 - shortest_point2) > 1) {
1895 #ifdef USE_KEYFRAME_SPANNING
1896
1897                                 MaskPoint *new_point = new MaskPoint;
1898                                 points.append(new_point);
1899                                 *new_point = *point;
1900                                 gui->affected_point = points.size() - 1;
1901
1902 #else
1903
1904 // Need to apply the new point to every keyframe
1905                                 for( MaskAuto *current = (MaskAuto*)mask_autos->default_auto; current;  ) {
1906                                         SubMask *submask = current->get_submask(mwindow->edl->session->cwindow_mask);
1907                                         MaskPoint *new_point = new MaskPoint;
1908                                         submask->points.append(new_point);
1909                                         *new_point = *point;
1910                                         if( current == (MaskAuto*)mask_autos->default_auto )
1911                                                 current = (MaskAuto*)mask_autos->first;
1912                                         else
1913                                                 current = (MaskAuto*)NEXT;
1914                                 }
1915                                 gui->affected_point = mask->points.size() - 1;
1916 #endif
1917
1918                                 result = 1;
1919                         }
1920                         else
1921 // Insert between 2 points, shifting back point 2
1922                         if( shortest_point1 >= 0 && shortest_point2 >= 0 ) {
1923
1924 #ifdef USE_KEYFRAME_SPANNING
1925 // In case the keyframe point count isn't synchronized with the rest of the keyframes,
1926 // avoid a crash.
1927                                 if( points.size() >= shortest_point2 ) {
1928                                         MaskPoint *new_point = new MaskPoint;
1929                                         points.append(0);
1930                                         for( int i = points.size() - 1;
1931                                                 i > shortest_point2;
1932                                                 i-- )
1933                                                 points.values[i] = points.values[i - 1];
1934                                         points.values[shortest_point2] = new_point;
1935
1936                                         *new_point = *point;
1937                                 }
1938
1939 #else
1940
1941                                 for( MaskAuto *current = (MaskAuto*)mask_autos->default_auto; current;  ) {
1942                                         SubMask *submask = current->get_submask(mwindow->edl->session->cwindow_mask);
1943 // In case the keyframe point count isn't synchronized with the rest of the keyframes,
1944 // avoid a crash.
1945                                         if( submask->points.size() >= shortest_point2 ) {
1946                                                 MaskPoint *new_point = new MaskPoint;
1947                                                 submask->points.append(0);
1948                                                 for( int i = submask->points.size() - 1;
1949                                                         i > shortest_point2;
1950                                                         i-- )
1951                                                         submask->points.values[i] = submask->points.values[i - 1];
1952                                                 submask->points.values[shortest_point2] = new_point;
1953
1954                                                 *new_point = *point;
1955                                         }
1956
1957                                         if( current == (MaskAuto*)mask_autos->default_auto )
1958                                                 current = (MaskAuto*)mask_autos->first;
1959                                         else
1960                                                 current = (MaskAuto*)NEXT;
1961                                 }
1962
1963 #endif
1964                                 gui->affected_point = shortest_point2;
1965                                 result = 1;
1966                         }
1967
1968
1969 // printf("CWindowGUI::do_mask 20\n");
1970 // mwindow->edl->dump();
1971 // printf("CWindowGUI::do_mask 30\n");
1972
1973                         if( !result ) {
1974 //printf("CWindowCanvas::do_mask 1\n");
1975 // Create the first point.
1976 #ifdef USE_KEYFRAME_SPANNING
1977                                 MaskPoint *new_point = new MaskPoint;
1978                                 points.append(new_point);
1979                                 *new_point = *point;
1980                                 gui->affected_point = points.size() - 1;
1981 #else
1982                                 for( MaskAuto *current = (MaskAuto*)mask_autos->default_auto; current;  ) {
1983                                         SubMask *submask = current->get_submask(mwindow->edl->session->cwindow_mask);
1984                                         MaskPoint *new_point = new MaskPoint;
1985                                         submask->points.append(new_point);
1986                                         *new_point = *point;
1987                                         if( current == (MaskAuto*)mask_autos->default_auto )
1988                                                 current = (MaskAuto*)mask_autos->first;
1989                                         else
1990                                                 current = (MaskAuto*)NEXT;
1991                                 }
1992                                 gui->affected_point = points.size() - 1;
1993 #endif
1994
1995 //printf("CWindowCanvas::do_mask 3 %d\n", mask->points.size());
1996                         }
1997
1998                         gui->current_operation = mwindow->edl->session->cwindow_operation;
1999 // Delete the template
2000                         delete point;
2001                 }
2002
2003                 result = 1;
2004                 rerender = 1;
2005                 redraw = 1;
2006         }
2007
2008         if( button_press && result ) {
2009 #ifdef USE_KEYFRAME_SPANNING
2010                 MaskPoints &mask_points = points;
2011 #else
2012                 SubMask *mask = gui->mask_keyframe->get_submask(mwindow->edl->session->cwindow_mask);
2013                 MaskPoints &mask_points = mask->points;
2014 #endif
2015                 int k = gui->affected_point;
2016                 if( k >= 0 && k < mask_points.size() ) {
2017                         MaskPoint *point = mask_points.values[k];
2018                         gui->center_x = point->x;
2019                         gui->center_y = point->y;
2020                         gui->control_in_x = point->control_x1;
2021                         gui->control_in_y = point->control_y1;
2022                         gui->control_out_x = point->control_x2;
2023                         gui->control_out_y = point->control_y2;
2024                 }
2025                 else {
2026                         gui->center_x = gui->center_y = 0;
2027                         gui->control_in_x = gui->control_in_y = 0;
2028                         gui->control_out_x = gui->control_out_y = 0;
2029                 }
2030                 gui->tool_panel->raise_window();
2031         }
2032
2033 //printf("CWindowCanvas::do_mask 8\n");
2034         if( cursor_motion ) {
2035
2036 #ifdef USE_KEYFRAME_SPANNING
2037 // Must update the reference keyframes for every cursor motion
2038                 gui->mask_keyframe = (MaskAuto*)gui->cwindow->
2039                         calculate_affected_auto(mask_autos, 0);
2040                 gui->orig_mask_keyframe->copy_data(gui->mask_keyframe);
2041 #endif
2042
2043 //printf("CWindowCanvas::do_mask %d %d\n", __LINE__, gui->affected_point);
2044
2045                 SubMask *mask = gui->mask_keyframe->get_submask(mwindow->edl->session->cwindow_mask);
2046                 if( mask && gui->affected_point >= 0 &&
2047                     gui->affected_point < mask->points.size() &&
2048                     gui->current_operation != CWINDOW_NONE ) {
2049 //                      mwindow->undo->update_undo_before(_("mask point"), this);
2050 #ifdef USE_KEYFRAME_SPANNING
2051                         MaskPoints &mask_points = points;
2052 #else
2053                         MaskPoints &mask_points = mask->points;
2054 #endif
2055                         MaskPoint *point = mask_points.get(gui->affected_point);
2056 //                      canvas_to_output(mwindow->edl, 0, cursor_x, cursor_y);
2057 //printf("CWindowCanvas::do_mask 9 %d %d\n", mask_points.size(), gui->affected_point);
2058
2059                         float last_x = point->x;
2060                         float last_y = point->y;
2061                         float last_control_x1 = point->control_x1;
2062                         float last_control_y1 = point->control_y1;
2063                         float last_control_x2 = point->control_x2;
2064                         float last_control_y2 = point->control_y2;
2065                         int rotate = 0;
2066
2067                         switch( gui->current_operation ) {
2068                         case CWINDOW_MASK:
2069 //printf("CWindowCanvas::do_mask %d %d\n", __LINE__, gui->affected_point);
2070                                 point->x = mask_cursor_x - gui->x_origin + gui->center_x;
2071                                 point->y = mask_cursor_y - gui->y_origin + gui->center_y;
2072                                 break;
2073
2074                         case CWINDOW_MASK_CONTROL_IN:
2075                                 point->control_x1 = mask_cursor_x - gui->x_origin + gui->control_in_x;
2076                                 point->control_y1 = mask_cursor_y - gui->y_origin + gui->control_in_y;
2077                                 break;
2078
2079                         case CWINDOW_MASK_CONTROL_OUT:
2080                                 point->control_x2 = mask_cursor_x - gui->x_origin + gui->control_out_x;
2081                                 point->control_y2 = mask_cursor_y - gui->y_origin + gui->control_out_y;
2082                                 break;
2083
2084                         case CWINDOW_MASK_TRANSLATE: {
2085                                 if( !mask_gui ) break;
2086                                 int mode = mask_gui->scale_mode;
2087                                 MaskAuto *keyframe = gui->mask_keyframe;
2088                                 int gang = mask_gui->gang_focus->get_value();
2089                                 float dx = mask_cursor_x - gui->x_origin;
2090                                 float dy = mask_cursor_y - gui->y_origin;
2091                                 if( !dx && !dy ) break;
2092                                 int k = mwindow->edl->session->cwindow_mask;
2093                                 int n = gang ? keyframe->masks.size() : k+1;
2094                                 for( int j=gang? 0 : k; j<n; ++j ) {
2095                                         if( !mask_gui->mask_enables[j]->get_value() ) continue;
2096                                         SubMask *sub_mask = keyframe->get_submask(j);
2097                                         if( !sub_mask ) continue;
2098                                         MaskPoints &points = sub_mask->points;
2099                                         for( int i=0; i<points.size(); ++i ) {
2100                                                 MaskPoint *point = points[i];
2101                                                 if( mode == MASK_SCALE_X || mode == MASK_SCALE_XY ) point->x += dx;
2102                                                 if( mode == MASK_SCALE_Y || mode == MASK_SCALE_XY ) point->y += dy;
2103                                         }
2104                                 }
2105                                 gui->x_origin = mask_cursor_x;
2106                                 gui->y_origin = mask_cursor_y;
2107                                 rerender = 1;
2108                                 redraw = 1;
2109                                 update_points = 0;
2110                                 break; }
2111                         case CWINDOW_MASK_ROTATE:
2112                                 rotate = 1;
2113                         case CWINDOW_MASK_SCALE: {
2114                                 if( !mask_gui || !mask_points.size() ) break;
2115                                 float cx = gui->x_origin, cy = gui->y_origin;
2116                                 if( mask_gui->focused ) {
2117                                         cx = atof(mask_gui->focus_x->get_text());
2118                                         cy = atof(mask_gui->focus_y->get_text());
2119                                 }
2120                                 else if( !gui->ctrl_down() ) {
2121                                         cx = cy = 0;
2122                                         int n = mask_points.size();
2123                                         for( int i=0; i<n; ++i ) {
2124                                                 MaskPoint *point = mask_points.values[i];
2125                                                 cx += point->x;  cy += point->y;
2126                                         }
2127                                         cx /= n;  cy /= n;
2128                                         mask_gui->set_focused(0, cx, cy);
2129                                 }
2130                                 gui->x_origin = cx;
2131                                 gui->y_origin = cy;
2132                                 double accel =
2133                                         gui->get_triple_click() ? 8. :
2134                                         gui->get_double_click() ? 4. :
2135                                         1.;
2136                                 int button_no = get_buttonpress();
2137                                 double ds = accel/64., dt = accel*M_PI/360.;
2138                                 double scale = button_no == WHEEL_UP ? 1.+ds : 1.-ds;
2139                                 int mode = mask_gui->scale_mode;
2140                                 double xscale = !rotate && (mode == MASK_SCALE_X ||
2141                                         mode == MASK_SCALE_XY ) ? scale : 1.;
2142                                 double yscale = !rotate && (mode == MASK_SCALE_Y ||
2143                                         mode == MASK_SCALE_XY ) ? scale : 1.;
2144                                 double theta = button_no == WHEEL_UP ? dt : -dt;
2145                                 if( rotate ? theta==0 : scale==1 ) break;
2146                                 float st = sin(theta), ct = cos(theta);
2147                                 MaskAuto *keyframe = gui->mask_keyframe;
2148                                 int gang = mask_gui->gang_focus->get_value();
2149                                 int k = mwindow->edl->session->cwindow_mask;
2150                                 int n = gang ? keyframe->masks.size() : k+1;
2151                                 for( int j=gang? 0 : k; j<n; ++j ) {
2152                                         if( !mask_gui->mask_enables[j]->get_value() ) continue;
2153                                         SubMask *sub_mask = keyframe->get_submask(j);
2154                                         if( !sub_mask ) continue;
2155                                         MaskPoints &points = sub_mask->points;
2156                                         for( int i=0; i<points.size(); ++i ) {
2157                                                 MaskPoint *point = points[i];
2158                                                 float px = point->x - gui->x_origin;
2159                                                 float py = point->y - gui->y_origin;
2160                                                 float nx = !rotate ? px*xscale : px*ct + py*st;
2161                                                 float ny = !rotate ? py*yscale : py*ct - px*st;
2162                                                 point->x = nx + gui->x_origin;
2163                                                 point->y = ny + gui->y_origin;
2164                                                 px = point->control_x1;  py = point->control_y1;
2165                                                 point->control_x1 = !rotate ? px*xscale : px*ct + py*st;
2166                                                 point->control_y1 = !rotate ? py*yscale : py*ct - px*st;
2167                                                 px = point->control_x2;  py = point->control_y2;
2168                                                 point->control_x2 = !rotate ? px*xscale : px*ct + py*st;
2169                                                 point->control_y2 = !rotate ? py*yscale : py*ct - px*st;
2170                                         }
2171                                 }
2172                                 rerender = 1;
2173                                 redraw = 1;
2174                                 update_points = 0;
2175                                 break; }
2176                         }
2177
2178                         if( !(rerender && redraw) && (!EQUIV(last_x, point->x) ||
2179                                 !EQUIV(last_y, point->y) ||
2180                                 !EQUIV(last_control_x1, point->control_x1) ||
2181                                 !EQUIV(last_control_y1, point->control_y1) ||
2182                                 !EQUIV(last_control_x2, point->control_x2) ||
2183                                 !EQUIV(last_control_y2, point->control_y2)) ) {
2184                                 rerender = 1;
2185                                 redraw = 1;
2186                         }
2187                 }
2188                 else
2189                 if( gui->current_operation == CWINDOW_NONE ) {
2190 //                      printf("CWindowCanvas::do_mask %d\n", __LINE__);
2191                         int over_point = 0;
2192                         for( int i = 0; i < points.size() && !over_point; i++ ) {
2193                                 MaskPoint *point = points.get(i);
2194                                 float x0 = point->x;
2195                                 float y0 = point->y;
2196                                 float x1 = point->x + point->control_x1;
2197                                 float y1 = point->y + point->control_y1;
2198                                 float x2 = point->x + point->control_x2;
2199                                 float y2 = point->y + point->control_y2;
2200                                 float canvas_x0 = (x0 - half_track_w) * projector_z + projector_x;
2201                                 float canvas_y0 = (y0 - half_track_h) * projector_z + projector_y;
2202
2203                                 output_to_canvas(mwindow->edl, 0, canvas_x0, canvas_y0);
2204                                 if( test_bbox(cursor_x, cursor_y, canvas_x0, canvas_y0) ) {
2205                                         over_point = 1;
2206                                 }
2207
2208                                 if( !over_point && gui->ctrl_down() ) {
2209                                         float canvas_x1 = (x1 - half_track_w) * projector_z + projector_x;
2210                                         float canvas_y1 = (y1 - half_track_h) * projector_z + projector_y;
2211                                         output_to_canvas(mwindow->edl, 0, canvas_x1, canvas_y1);
2212                                         if( test_bbox(cursor_x, cursor_y, canvas_x1, canvas_y1) ) {
2213                                                 over_point = 1;
2214                                         }
2215                                         else {
2216                                                 float canvas_x2 = (x2 - half_track_w) * projector_z + projector_x;
2217                                                 float canvas_y2 = (y2 - half_track_h) * projector_z + projector_y;
2218                                                 output_to_canvas(mwindow->edl, 0, canvas_x2, canvas_y2);
2219                                                 if( test_bbox(cursor_x, cursor_y, canvas_x2, canvas_y2) ) {
2220                                                         over_point = 1;
2221                                                 }
2222                                         }
2223                                 }
2224                         }
2225
2226                         set_cursor( over_point ? ARROW_CURSOR : CROSS_CURSOR );
2227                 }
2228
2229                 result = 1;
2230         }
2231 //printf("CWindowCanvas::do_mask 2 %d %d %d\n", result, rerender, redraw);
2232
2233
2234 #ifdef USE_KEYFRAME_SPANNING
2235 // Must commit change after operation.
2236         if( rerender && track ) {
2237 // Swap EDL keyframe with original.
2238 // Apply new values to keyframe span
2239                 MaskAuto temp_keyframe(mwindow->edl, mask_autos);
2240                 temp_keyframe.copy_data(gui->mask_keyframe);
2241 // Apply interpolated points back to keyframe
2242                 if( update_points )
2243                         temp_keyframe.set_points(&points, mwindow->edl->session->cwindow_mask);
2244                 gui->mask_keyframe->copy_data(gui->orig_mask_keyframe);
2245                 mask_autos->update_parameter(&temp_keyframe);
2246         }
2247 #endif
2248 //printf("CWindowCanvas::do_mask 20\n");
2249
2250         if( draw && draw_boundary && !draw_markers ) {
2251                 BC_WindowBase *cvs_win = get_canvas();
2252                 cvs_win->set_inverse();
2253                 cvs_win->set_color(RED+GREEN);
2254                 for( int k=0; k<SUBMASKS; ++k ) {
2255                         if( k == mwindow->edl->session->cwindow_mask ) continue;
2256                         points.remove_all_objects();
2257                         if( use_interpolated )
2258                                 mask_autos->get_points(&points, k, position, PLAY_FORWARD);
2259                         else
2260                                 prev_mask->get_points(&points, k);
2261                         MaskEdge edge;
2262                         edge.load(points, 0);
2263                         for( int i=0; i<edge.size(); ++i ) {
2264                                 MaskCoord a = edge[i];
2265                                 MaskCoord b = i<edge.size()-1 ? edge[i+1] : edge[0];
2266                                 float ax = a.x, ay = a.y;
2267                                 float bx = b.x, by = b.y;
2268                                 output_to_canvas(mwindow->edl, 0, ax, ay);
2269                                 output_to_canvas(mwindow->edl, 0, bx, by);
2270                                 cvs_win->draw_line(ax,ay, bx,by);
2271                         }
2272                 }
2273         }
2274
2275         return result;
2276 }
2277
2278 int CWindowCanvas::do_mask_focus()
2279 {
2280         Track *track = gui->cwindow->calculate_affected_track();
2281         int64_t position = track->to_units(
2282                 mwindow->edl->local_session->get_selectionstart(1),
2283                 0);
2284         float projector_x, projector_y, projector_z;
2285         track->automation->get_projector(
2286                 &projector_x, &projector_y, &projector_z,
2287                 position, PLAY_FORWARD);
2288         float cx = get_cursor_x(), cy = get_cursor_y();
2289         canvas_to_output(mwindow->edl, 0, cx, cy);
2290         projector_x += mwindow->edl->session->output_w / 2;
2291         projector_y += mwindow->edl->session->output_h / 2;
2292         float half_track_w = (float)track->track_w / 2;
2293         float half_track_h = (float)track->track_h / 2;
2294         cx = (cx - projector_x) / projector_z + half_track_w;
2295         cy = (cy - projector_y) / projector_z + half_track_h;
2296         CWindowMaskGUI *mask_gui = (CWindowMaskGUI*) gui->tool_panel->tool_gui;
2297         mask_gui->set_focused(1, cx, cy);
2298         return 1;
2299 }
2300
2301 int CWindowCanvas::do_eyedrop(int &rerender, int button_press, int draw)
2302 {
2303         int result = 0;
2304         int radius = mwindow->edl->session->eyedrop_radius;
2305         int row1 = 0;
2306         int row2 = 0;
2307         int column1 = 0;
2308         int column2 = 0;
2309
2310
2311
2312         if( refresh_frame && refresh_frame->get_w()>0 && refresh_frame->get_h()>0 ) {
2313
2314                 if( draw ) {
2315                         row1 = gui->eyedrop_y - radius;
2316                         row2 = gui->eyedrop_y + radius;
2317                         column1 = gui->eyedrop_x - radius;
2318                         column2 = gui->eyedrop_x + radius;
2319
2320                         CLAMP(row1, 0, refresh_frame->get_h() - 1);
2321                         CLAMP(row2, 0, refresh_frame->get_h() - 1);
2322                         CLAMP(column1, 0, refresh_frame->get_w() - 1);
2323                         CLAMP(column2, 0, refresh_frame->get_w() - 1);
2324
2325                         if( row2 <= row1 ) row2 = row1 + 1;
2326                         if( column2 <= column1 ) column2 = column1 + 1;
2327
2328                         float x1 = column1;
2329                         float y1 = row1;
2330                         float x2 = column2;
2331                         float y2 = row2;
2332
2333                         output_to_canvas(mwindow->edl, 0, x1, y1);
2334                         output_to_canvas(mwindow->edl, 0, x2, y2);
2335 //printf("CWindowCanvas::do_eyedrop %d %f %f %f %f\n", __LINE__, x1, x2, y1, y2);
2336
2337                         if( x2 - x1 >= 1 && y2 - y1 >= 1 ) {
2338                                 get_canvas()->set_inverse();
2339                                 get_canvas()->set_color(WHITE);
2340
2341                                 get_canvas()->draw_rectangle((int)x1,
2342                                         (int)y1,
2343                                         (int)(x2 - x1),
2344                                         (int)(y2 - y1));
2345
2346                                 get_canvas()->set_opaque();
2347                                 get_canvas()->flash();
2348                         }
2349                         return 0;
2350                 }
2351         }
2352
2353         if( button_press ) {
2354                 gui->current_operation = CWINDOW_EYEDROP;
2355                 gui->tool_panel->raise_window();
2356         }
2357
2358         if( gui->current_operation == CWINDOW_EYEDROP ) {
2359                 mwindow->undo->update_undo_before(_("Eyedrop"), this);
2360
2361 // Get color out of frame.
2362 // Doesn't work during playback because that bypasses the refresh frame.
2363                 if( refresh_frame && refresh_frame->get_w()>0 && refresh_frame->get_h()>0 ) {
2364                         float cursor_x = get_cursor_x();
2365                         float cursor_y = get_cursor_y();
2366                         canvas_to_output(mwindow->edl, 0, cursor_x, cursor_y);
2367                         CLAMP(cursor_x, 0, refresh_frame->get_w() - 1);
2368                         CLAMP(cursor_y, 0, refresh_frame->get_h() - 1);
2369
2370                         row1 = cursor_y - radius;
2371                         row2 = cursor_y + radius;
2372                         column1 = cursor_x - radius;
2373                         column2 = cursor_x + radius;
2374                         CLAMP(row1, 0, refresh_frame->get_h() - 1);
2375                         CLAMP(row2, 0, refresh_frame->get_h() - 1);
2376                         CLAMP(column1, 0, refresh_frame->get_w() - 1);
2377                         CLAMP(column2, 0, refresh_frame->get_w() - 1);
2378                         if( row2 <= row1 ) row2 = row1 + 1;
2379                         if( column2 <= column1 ) column2 = column1 + 1;
2380
2381
2382 // hide it
2383                         if( gui->eyedrop_visible ) {
2384                                 int temp;
2385                                 do_eyedrop(temp, 0, 1);
2386                                 gui->eyedrop_visible = 0;
2387                         }
2388
2389                         gui->eyedrop_x = cursor_x;
2390                         gui->eyedrop_y = cursor_y;
2391
2392 // show it
2393                         {
2394                                 int temp;
2395                                 do_eyedrop(temp, 0, 1);
2396                                 gui->eyedrop_visible = 1;
2397                         }
2398
2399 #define GET_COLOR(type, components, max, do_yuv) { \
2400         type *row = (type*)(refresh_frame->get_rows()[i]) + \
2401                 j * components; \
2402         float red = (float)*row++ / max; \
2403         float green = (float)*row++ / max; \
2404         float blue = (float)*row++ / max; \
2405         if( do_yuv ) \
2406                 YUV::yuv.yuv_to_rgb_f(red, green, blue, red, green-0.5, blue-0.5); \
2407         mwindow->edl->local_session->red += red; \
2408         mwindow->edl->local_session->green += green; \
2409         mwindow->edl->local_session->blue += blue; \
2410         if( red > mwindow->edl->local_session->red_max ) mwindow->edl->local_session->red_max = red; \
2411         if( green > mwindow->edl->local_session->green_max ) mwindow->edl->local_session->green_max = green; \
2412         if( blue > mwindow->edl->local_session->blue_max ) mwindow->edl->local_session->blue_max = blue; \
2413 }
2414
2415                         mwindow->edl->local_session->red = 0;
2416                         mwindow->edl->local_session->green = 0;
2417                         mwindow->edl->local_session->blue = 0;
2418                         mwindow->edl->local_session->red_max = 0;
2419                         mwindow->edl->local_session->green_max = 0;
2420                         mwindow->edl->local_session->blue_max = 0;
2421                         for( int i = row1; i < row2; i++ ) {
2422                                 for( int j = column1; j < column2; j++ ) {
2423                                         switch( refresh_frame->get_color_model() )
2424                                         {
2425                                                 case BC_YUV888:
2426                                                         GET_COLOR(unsigned char, 3, 0xff, 1);
2427                                                         break;
2428                                                 case BC_YUVA8888:
2429                                                         GET_COLOR(unsigned char, 4, 0xff, 1);
2430                                                         break;
2431                                                 case BC_YUV161616:
2432                                                         GET_COLOR(uint16_t, 3, 0xffff, 1);
2433                                                         break;
2434                                                 case BC_YUVA16161616:
2435                                                         GET_COLOR(uint16_t, 4, 0xffff, 1);
2436                                                         break;
2437                                                 case BC_RGB888:
2438                                                         GET_COLOR(unsigned char, 3, 0xff, 0);
2439                                                         break;
2440                                                 case BC_RGBA8888:
2441                                                         GET_COLOR(unsigned char, 4, 0xff, 0);
2442                                                         break;
2443                                                 case BC_RGB_FLOAT:
2444                                                         GET_COLOR(float, 3, 1.0, 0);
2445                                                         break;
2446                                                 case BC_RGBA_FLOAT:
2447                                                         GET_COLOR(float, 4, 1.0, 0);
2448                                                         break;
2449                                         }
2450                                 }
2451                         }
2452
2453                         mwindow->edl->local_session->red /= (row2 - row1) * (column2 - column1);
2454                         mwindow->edl->local_session->green /= (row2 - row1) * (column2 - column1);
2455                         mwindow->edl->local_session->blue /= (row2 - row1) * (column2 - column1);
2456
2457                 }
2458                 else {
2459                         mwindow->edl->local_session->red = 0;
2460                         mwindow->edl->local_session->green = 0;
2461                         mwindow->edl->local_session->blue = 0;
2462                         gui->eyedrop_visible = 0;
2463                 }
2464
2465
2466                 gui->update_tool();
2467
2468
2469
2470                 result = 1;
2471 // Can't rerender since the color value is from the output of any effect it
2472 // goes into.
2473 //              rerender = 1;
2474                 mwindow->undo->update_undo_after(_("Eyedrop"), LOAD_SESSION);
2475         }
2476
2477         return result;
2478 }
2479
2480 int CWindowCanvas::need_overlays()
2481 {
2482         if( mwindow->edl->session->safe_regions ) return 1;
2483         if( mwindow->edl->session->cwindow_scrollbars ) return 1;
2484         if( gui->highlighted ) return 1;
2485         switch( mwindow->edl->session->cwindow_operation ) {
2486                 case CWINDOW_EYEDROP:
2487                         if( ! gui->eyedrop_visible ) break;
2488                 case CWINDOW_CAMERA:
2489                 case CWINDOW_PROJECTOR:
2490                 case CWINDOW_CROP:
2491                 case CWINDOW_MASK:
2492                 case CWINDOW_RULER:
2493                         return 1;
2494         }
2495         return 0;
2496 }
2497
2498 void CWindowCanvas::draw_overlays()
2499 {
2500         if( mwindow->edl->session->safe_regions ) {
2501                 draw_safe_regions();
2502         }
2503
2504         if( mwindow->edl->session->cwindow_scrollbars ) {
2505 // Always draw output rectangle
2506                 float x1, y1, x2, y2;
2507                 x1 = 0;
2508                 x2 = mwindow->edl->session->output_w;
2509                 y1 = 0;
2510                 y2 = mwindow->edl->session->output_h;
2511                 output_to_canvas(mwindow->edl, 0, x1, y1);
2512                 output_to_canvas(mwindow->edl, 0, x2, y2);
2513
2514                 get_canvas()->set_inverse();
2515                 get_canvas()->set_color(WHITE);
2516                 int ix1 = x1-1, iy1 = y1-1, ix2 = x2+1, iy2 = y2+1;
2517                 get_canvas()->draw_rectangle(ix1, iy1, ix2-ix1, iy2-iy1);
2518                 get_canvas()->set_opaque();
2519         }
2520
2521         if( gui->highlighted ) {
2522                 get_canvas()->set_color(WHITE);
2523                 get_canvas()->set_inverse();
2524                 get_canvas()->draw_rectangle(0, 0, get_canvas()->get_w(), get_canvas()->get_h());
2525                 get_canvas()->draw_rectangle(1, 1, get_canvas()->get_w() - 2, get_canvas()->get_h() - 2);
2526                 get_canvas()->set_opaque();
2527         }
2528
2529         int temp1 = 0, temp2 = 0;
2530 //printf("CWindowCanvas::draw_overlays 1 %d\n", mwindow->edl->session->cwindow_operation);
2531         switch( mwindow->edl->session->cwindow_operation )
2532         {
2533                 case CWINDOW_CAMERA:
2534                         draw_outlines(1);
2535                         break;
2536
2537                 case CWINDOW_PROJECTOR:
2538                         draw_outlines(0);
2539                         break;
2540
2541                 case CWINDOW_CROP:
2542                         draw_crop();
2543                         break;
2544
2545                 case CWINDOW_MASK:
2546                         do_mask(temp1, temp2, 0, 0, 1);
2547                         break;
2548
2549                 case CWINDOW_RULER:
2550                         do_ruler(1, 0, 0, 0);
2551                         break;
2552
2553                 case CWINDOW_EYEDROP:
2554                 if( gui->eyedrop_visible ) {
2555                         int rerender;
2556                         do_eyedrop(rerender, 0, 1);
2557                         gui->eyedrop_visible = 1;
2558                         break;
2559                 }
2560         }
2561 }
2562
2563 void CWindowCanvas::draw_safe_regions()
2564 {
2565         float action_x1, action_x2, action_y1, action_y2;
2566         float title_x1, title_x2, title_y1, title_y2;
2567
2568         action_x1 = mwindow->edl->session->output_w / 2 - mwindow->edl->session->output_w / 2 * 0.9;
2569         action_x2 = mwindow->edl->session->output_w / 2 + mwindow->edl->session->output_w / 2 * 0.9;
2570         action_y1 = mwindow->edl->session->output_h / 2 - mwindow->edl->session->output_h / 2 * 0.9;
2571         action_y2 = mwindow->edl->session->output_h / 2 + mwindow->edl->session->output_h / 2 * 0.9;
2572         title_x1 = mwindow->edl->session->output_w / 2 - mwindow->edl->session->output_w / 2 * 0.8;
2573         title_x2 = mwindow->edl->session->output_w / 2 + mwindow->edl->session->output_w / 2 * 0.8;
2574         title_y1 = mwindow->edl->session->output_h / 2 - mwindow->edl->session->output_h / 2 * 0.8;
2575         title_y2 = mwindow->edl->session->output_h / 2 + mwindow->edl->session->output_h / 2 * 0.8;
2576
2577         output_to_canvas(mwindow->edl, 0, action_x1, action_y1);
2578         output_to_canvas(mwindow->edl, 0, action_x2, action_y2);
2579         output_to_canvas(mwindow->edl, 0, title_x1, title_y1);
2580         output_to_canvas(mwindow->edl, 0, title_x2, title_y2);
2581
2582         get_canvas()->set_inverse();
2583         get_canvas()->set_color(WHITE);
2584
2585         get_canvas()->draw_rectangle((int)action_x1,
2586                         (int)action_y1,
2587                         (int)(action_x2 - action_x1),
2588                         (int)(action_y2 - action_y1));
2589         get_canvas()->draw_rectangle((int)title_x1,
2590                         (int)title_y1,
2591                         (int)(title_x2 - title_x1),
2592                         (int)(title_y2 - title_y1));
2593
2594         get_canvas()->set_opaque();
2595 }
2596
2597
2598 void CWindowCanvas::create_keyframe(int do_camera)
2599 {
2600         Track *affected_track = gui->cwindow->calculate_affected_track();
2601         if( affected_track ) {
2602                 double pos = mwindow->edl->local_session->get_selectionstart(1);
2603                 int64_t position = affected_track->to_units(pos, 0);
2604                 int ix = do_camera ? AUTOMATION_CAMERA_X : AUTOMATION_PROJECTOR_X;
2605                 int iy = do_camera ? AUTOMATION_CAMERA_Y : AUTOMATION_PROJECTOR_Y;
2606                 int iz = do_camera ? AUTOMATION_CAMERA_Z : AUTOMATION_PROJECTOR_Z;
2607                 FloatAuto *prev, *next;
2608                 FloatAutos **autos = (FloatAutos**)affected_track->automation->autos;
2609                 FloatAutos *x_autos = autos[ix];  prev = 0;  next = 0;
2610                 float x_value = x_autos->get_value(position, PLAY_FORWARD, prev, next);
2611                 FloatAutos *y_autos = autos[iy];  prev = 0;  next = 0;
2612                 float y_value = y_autos->get_value(position, PLAY_FORWARD, prev, next);
2613                 FloatAutos *z_autos = autos[iz];  prev = 0;  next = 0;
2614                 float z_value = z_autos->get_value(position, PLAY_FORWARD, prev, next);
2615                 FloatAuto *x_keyframe = 0, *y_keyframe = 0, *z_keyframe = 0;
2616
2617                 gui->cwindow->calculate_affected_autos(affected_track,
2618                         &x_keyframe, &y_keyframe, &z_keyframe,
2619                         do_camera, -1, -1, -1, 0);
2620                 x_keyframe->set_value(x_value);
2621                 y_keyframe->set_value(y_value);
2622                 z_keyframe->set_value(z_value);
2623
2624                 gui->sync_parameters(CHANGE_PARAMS, 1, 1);
2625         }
2626 }
2627
2628 void CWindowCanvas::camera_keyframe() { create_keyframe(1); }
2629 void CWindowCanvas::projector_keyframe() { create_keyframe(0); }
2630
2631 void CWindowCanvas::reset_keyframe(int do_camera)
2632 {
2633         Track *affected_track = gui->cwindow->calculate_affected_track();
2634         if( affected_track ) {
2635                 FloatAuto *x_keyframe = 0, *y_keyframe = 0, *z_keyframe = 0;
2636                 gui->cwindow->calculate_affected_autos(affected_track,
2637                         &x_keyframe, &y_keyframe, &z_keyframe,
2638                         do_camera, 1, 1, 1);
2639
2640                 x_keyframe->set_value(0);
2641                 y_keyframe->set_value(0);
2642                 z_keyframe->set_value(1);
2643
2644                 gui->sync_parameters(CHANGE_PARAMS, 1, 1);
2645                 MWindowGUI *mgui = mwindow->gui;
2646                 mgui->lock_window("CWindowCanvas::reset_keyframe");
2647                 gui->mwindow->edl->local_session->reset_view_limits();
2648                 gui->mwindow->gui->zoombar->update_autozoom();
2649                 mgui->unlock_window();
2650         }
2651 }
2652
2653 void CWindowCanvas::reset_camera() { reset_keyframe(1); }
2654 void CWindowCanvas::reset_projector() { reset_keyframe(0); }
2655
2656
2657 int CWindowCanvas::test_crop(int button_press, int &redraw)
2658 {
2659         int result = 0;
2660         int handle_selected = -1;
2661         float x1 = mwindow->edl->session->crop_x1;
2662         float y1 = mwindow->edl->session->crop_y1;
2663         float x2 = mwindow->edl->session->crop_x2;
2664         float y2 = mwindow->edl->session->crop_y2;
2665         float cursor_x = get_cursor_x();
2666         float cursor_y = get_cursor_y();
2667         float canvas_x1 = x1;
2668         float canvas_y1 = y1;
2669         float canvas_x2 = x2;
2670         float canvas_y2 = y2;
2671         float canvas_cursor_x = cursor_x;
2672         float canvas_cursor_y = cursor_y;
2673
2674         canvas_to_output(mwindow->edl, 0, cursor_x, cursor_y);
2675 // Use screen normalized coordinates for hot spot tests.
2676         output_to_canvas(mwindow->edl, 0, canvas_x1, canvas_y1);
2677         output_to_canvas(mwindow->edl, 0, canvas_x2, canvas_y2);
2678
2679
2680         if( gui->current_operation == CWINDOW_CROP ) {
2681                 handle_selected = gui->crop_handle;
2682         }
2683         else
2684         if( canvas_cursor_x >= canvas_x1 && canvas_cursor_x < canvas_x1 + CROPHANDLE_W &&
2685                 canvas_cursor_y >= canvas_y1 && canvas_cursor_y < canvas_y1 + CROPHANDLE_H ) {
2686                 handle_selected = 0;
2687                 gui->crop_origin_x = x1;
2688                 gui->crop_origin_y = y1;
2689         }
2690         else
2691         if( canvas_cursor_x >= canvas_x2 - CROPHANDLE_W && canvas_cursor_x < canvas_x2 &&
2692                 canvas_cursor_y >= canvas_y1 && canvas_cursor_y < canvas_y1 + CROPHANDLE_H ) {
2693                 handle_selected = 1;
2694                 gui->crop_origin_x = x2;
2695                 gui->crop_origin_y = y1;
2696         }
2697         else
2698         if( canvas_cursor_x >= canvas_x1 && canvas_cursor_x < canvas_x1 + CROPHANDLE_W &&
2699                 canvas_cursor_y >= canvas_y2 - CROPHANDLE_H && canvas_cursor_y < canvas_y2 ) {
2700                 handle_selected = 2;
2701                 gui->crop_origin_x = x1;
2702                 gui->crop_origin_y = y2;
2703         }
2704         else
2705         if( canvas_cursor_x >= canvas_x2 - CROPHANDLE_W && canvas_cursor_x < canvas_x2 &&
2706                 canvas_cursor_y >= canvas_y2 - CROPHANDLE_H && canvas_cursor_y < canvas_y2 ) {
2707                 handle_selected = 3;
2708                 gui->crop_origin_x = x2;
2709                 gui->crop_origin_y = y2;
2710         }
2711         else
2712 // Start new box
2713         {
2714                 gui->crop_origin_x = cursor_x;
2715                 gui->crop_origin_y = cursor_y;
2716         }
2717
2718 // printf("test crop %d %d\n",
2719 //      gui->current_operation,
2720 //      handle_selected);
2721
2722 // Start dragging.
2723         if( button_press ) {
2724                 if( gui->alt_down() ) {
2725                         gui->crop_translate = 1;
2726                         gui->crop_origin_x1 = x1;
2727                         gui->crop_origin_y1 = y1;
2728                         gui->crop_origin_x2 = x2;
2729                         gui->crop_origin_y2 = y2;
2730                 }
2731                 else
2732                         gui->crop_translate = 0;
2733
2734                 gui->current_operation = CWINDOW_CROP;
2735                 gui->crop_handle = handle_selected;
2736                 gui->x_origin = cursor_x;
2737                 gui->y_origin = cursor_y;
2738                 gui->tool_panel->raise_window();
2739                 result = 1;
2740
2741                 if( handle_selected < 0 && !gui->crop_translate ) {
2742                         x2 = x1 = cursor_x;
2743                         y2 = y1 = cursor_y;
2744                         mwindow->edl->session->crop_x1 = (int)x1;
2745                         mwindow->edl->session->crop_y1 = (int)y1;
2746                         mwindow->edl->session->crop_x2 = (int)x2;
2747                         mwindow->edl->session->crop_y2 = (int)y2;
2748                         redraw = 1;
2749                 }
2750         }
2751         else
2752 // Translate all 4 points
2753         if( gui->current_operation == CWINDOW_CROP && gui->crop_translate ) {
2754                 x1 = cursor_x - gui->x_origin + gui->crop_origin_x1;
2755                 y1 = cursor_y - gui->y_origin + gui->crop_origin_y1;
2756                 x2 = cursor_x - gui->x_origin + gui->crop_origin_x2;
2757                 y2 = cursor_y - gui->y_origin + gui->crop_origin_y2;
2758
2759                 mwindow->edl->session->crop_x1 = (int)x1;
2760                 mwindow->edl->session->crop_y1 = (int)y1;
2761                 mwindow->edl->session->crop_x2 = (int)x2;
2762                 mwindow->edl->session->crop_y2 = (int)y2;
2763                 result = 1;
2764                 redraw = 1;
2765         }
2766         else
2767 // Update dragging
2768         if( gui->current_operation == CWINDOW_CROP ) {
2769                 switch( gui->crop_handle ) {
2770                 case -1:
2771                         x1 = gui->crop_origin_x;
2772                         y1 = gui->crop_origin_y;
2773                         x2 = gui->crop_origin_x;
2774                         y2 = gui->crop_origin_y;
2775                         if( cursor_x < gui->x_origin ) {
2776                                 if( cursor_y < gui->y_origin ) {
2777                                                 x1 = cursor_x;
2778                                                 y1 = cursor_y;
2779                                         }
2780                                         else
2781                                         if( cursor_y >= gui->y_origin ) {
2782                                                 x1 = cursor_x;
2783                                                 y2 = cursor_y;
2784                                         }
2785                                 }
2786                                 else
2787                                 if( cursor_x  >= gui->x_origin ) {
2788                                         if( cursor_y < gui->y_origin ) {
2789                                                 y1 = cursor_y;
2790                                                 x2 = cursor_x;
2791                                         }
2792                                         else
2793                                         if( cursor_y >= gui->y_origin ) {
2794                                                 x2 = cursor_x;
2795                                                 y2 = cursor_y;
2796                                         }
2797                                 }
2798
2799 // printf("test crop %d %d %d %d\n",
2800 //      mwindow->edl->session->crop_x1,
2801 //      mwindow->edl->session->crop_y1,
2802 //      mwindow->edl->session->crop_x2,
2803 //      mwindow->edl->session->crop_y2);
2804                                 break;
2805                         case 0:
2806                                 x1 = cursor_x - gui->x_origin + gui->crop_origin_x;
2807                                 y1 = cursor_y - gui->y_origin + gui->crop_origin_y;
2808                                 break;
2809                         case 1:
2810                                 x2 = cursor_x - gui->x_origin + gui->crop_origin_x;
2811                                 y1 = cursor_y - gui->y_origin + gui->crop_origin_y;
2812                                 break;
2813                         case 2:
2814                                 x1 = cursor_x - gui->x_origin + gui->crop_origin_x;
2815                                 y2 = cursor_y - gui->y_origin + gui->crop_origin_y;
2816                                 break;
2817                         case 3:
2818                                 x2 = cursor_x - gui->x_origin + gui->crop_origin_x;
2819                                 y2 = cursor_y - gui->y_origin + gui->crop_origin_y;
2820                                 break;
2821                 }
2822
2823                 if( !EQUIV(mwindow->edl->session->crop_x1, x1) ||
2824                         !EQUIV(mwindow->edl->session->crop_x2, x2) ||
2825                         !EQUIV(mwindow->edl->session->crop_y1, y1) ||
2826                         !EQUIV(mwindow->edl->session->crop_y2, y2) ) {
2827                         if( x1 > x2 ) {
2828                                 float tmp = x1;
2829                                 x1 = x2;
2830                                 x2 = tmp;
2831                                 switch( gui->crop_handle ) {
2832                                 case 0: gui->crop_handle = 1; break;
2833                                 case 1: gui->crop_handle = 0; break;
2834                                 case 2: gui->crop_handle = 3; break;
2835                                 case 3: gui->crop_handle = 2; break;
2836                                 default: break;
2837                                 }
2838                         }
2839
2840                         if( y1 > y2 ) {
2841                                 float tmp = y1;
2842                                 y1 = y2;
2843                                 y2 = tmp;
2844                                 switch( gui->crop_handle ) {
2845                                 case 0: gui->crop_handle = 2; break;
2846                                 case 1: gui->crop_handle = 3; break;
2847                                 case 2: gui->crop_handle = 0; break;
2848                                 case 3: gui->crop_handle = 1; break;
2849                                 default: break;
2850                                 }
2851                         }
2852
2853                         mwindow->edl->session->crop_x1 = (int)x1;
2854                         mwindow->edl->session->crop_y1 = (int)y1;
2855                         mwindow->edl->session->crop_x2 = (int)x2;
2856                         mwindow->edl->session->crop_y2 = (int)y2;
2857                         result = 1;
2858                         redraw = 1;
2859                 }
2860         }
2861         else
2862 // Update cursor font
2863         if( handle_selected >= 0 ) {
2864                 switch( handle_selected ) {
2865                 case 0: set_cursor(UPLEFT_RESIZE);     break;
2866                 case 1: set_cursor(UPRIGHT_RESIZE);    break;
2867                 case 2: set_cursor(DOWNLEFT_RESIZE);   break;
2868                 case 3: set_cursor(DOWNRIGHT_RESIZE);  break;
2869                 }
2870                 result = 1;
2871         }
2872         else {
2873                 set_cursor(ARROW_CURSOR);
2874         }
2875 #define CLAMP(x, y, z) ((x) = ((x) < (y) ? (y) : ((x) > (z) ? (z) : (x))))
2876
2877         if( redraw ) {
2878                 CLAMP(mwindow->edl->session->crop_x1, 0, mwindow->edl->session->output_w);
2879                 CLAMP(mwindow->edl->session->crop_x2, 0, mwindow->edl->session->output_w);
2880                 CLAMP(mwindow->edl->session->crop_y1, 0, mwindow->edl->session->output_h);
2881                 CLAMP(mwindow->edl->session->crop_y2, 0, mwindow->edl->session->output_h);
2882 // printf("CWindowCanvas::test_crop %d %d %d %d\n",
2883 //      mwindow->edl->session->crop_x2,
2884 //      mwindow->edl->session->crop_y2,
2885 //      mwindow->edl->calculate_output_w(0),
2886 //      mwindow->edl->calculate_output_h(0));
2887         }
2888         return result;
2889 }
2890
2891
2892 void CWindowCanvas::draw_crop()
2893 {
2894         get_canvas()->set_inverse();
2895         get_canvas()->set_color(WHITE);
2896
2897         float x1 = mwindow->edl->session->crop_x1;
2898         float y1 = mwindow->edl->session->crop_y1;
2899         float x2 = mwindow->edl->session->crop_x2;
2900         float y2 = mwindow->edl->session->crop_y2;
2901
2902         output_to_canvas(mwindow->edl, 0, x1, y1);
2903         output_to_canvas(mwindow->edl, 0, x2, y2);
2904
2905         if( x2 - x1 && y2 - y1 )
2906                 get_canvas()->draw_rectangle((int)x1,
2907                         (int)y1,
2908                         (int)(x2 - x1),
2909                         (int)(y2 - y1));
2910
2911         draw_crophandle((int)x1, (int)y1);
2912         draw_crophandle((int)x2 - CROPHANDLE_W, (int)y1);
2913         draw_crophandle((int)x1, (int)y2 - CROPHANDLE_H);
2914         draw_crophandle((int)x2 - CROPHANDLE_W, (int)y2 - CROPHANDLE_H);
2915         get_canvas()->set_opaque();
2916 }
2917
2918
2919 void CWindowCanvas::draw_outlines(int do_camera)
2920 {
2921         Track *track = gui->cwindow->calculate_affected_track();
2922
2923         if( !track ) return;
2924
2925         float proj_x, proj_y, proj_z;
2926         int64_t position = track->to_units(
2927                 mwindow->edl->local_session->get_selectionstart(1),
2928                 0);
2929         track->automation->get_projector(&proj_x, &proj_y, &proj_z,
2930                                 position, PLAY_FORWARD);
2931
2932         proj_x += mwindow->edl->session->output_w/2.;
2933         proj_y += mwindow->edl->session->output_h/2.;
2934         float proj_x1 = proj_x - track->track_w/2. * proj_z;
2935         float proj_y1 = proj_y - track->track_h/2. * proj_z;
2936         float proj_x2 = proj_x + track->track_w/2. * proj_z;
2937         float proj_y2 = proj_y + track->track_h/2. * proj_z;
2938         float x1 = proj_x1, x2 = proj_x2;
2939         float y1 = proj_y1, y2 = proj_y2;
2940         output_to_canvas(mwindow->edl, 0, x1, y1);
2941         output_to_canvas(mwindow->edl, 0, x2, y2);
2942
2943 #define DRAW_PROJECTION(offset) \
2944         get_canvas()->draw_rectangle(x1+offset, y1+offset, (x2-x1), (y2-y1)); \
2945         get_canvas()->draw_line(x1+offset, y1+offset, x2+offset, y2+offset); \
2946         get_canvas()->draw_line(x2+offset, y1+offset, x1+offset, y2+offset); \
2947
2948 // Drop shadow
2949         get_canvas()->set_color(BLACK);
2950         DRAW_PROJECTION(1);
2951         get_canvas()->set_color(do_camera ? GREEN : RED);
2952         DRAW_PROJECTION(0);
2953
2954         if( do_camera ) {
2955                 float cam_x, cam_y, cam_z;
2956                 track->automation->get_camera(&cam_x, &cam_y, &cam_z,
2957                                         position, PLAY_FORWARD);
2958                 cam_x += track->track_w / 2.;
2959                 cam_y += track->track_h / 2.;
2960 // follow image, not camera
2961                 cam_x = -cam_x;  cam_y = -cam_y;  cam_z *= proj_z;
2962                 float cam_x1 = cam_x * cam_z + proj_x;
2963                 float cam_y1 = cam_y * cam_z + proj_y;
2964                 float cam_x2 = (cam_x + track->track_w) * cam_z + proj_x;
2965                 float cam_y2 = (cam_y + track->track_h) * cam_z + proj_y;
2966                 output_to_canvas(mwindow->edl, 0, cam_x1, cam_y1);
2967                 output_to_canvas(mwindow->edl, 0, cam_x2, cam_y2);
2968                 get_canvas()->set_color(YELLOW);
2969                 get_canvas()->draw_rectangle(cam_x1, cam_y1, cam_x2-cam_x1, cam_y2-cam_y1);
2970         }
2971 }
2972
2973 int CWindowCanvas::test_bezier(int button_press,
2974         int &redraw,
2975         int &redraw_canvas,
2976         int &rerender,
2977         int do_camera)
2978 {
2979         int result = 0;
2980
2981 // Processing drag operation.
2982 // Create keyframe during first cursor motion.
2983         if( !button_press ) {
2984
2985                 float cursor_x = get_cursor_x();
2986                 float cursor_y = get_cursor_y();
2987                 canvas_to_output(mwindow->edl, 0, cursor_x, cursor_y);
2988
2989                 if( gui->current_operation == CWINDOW_CAMERA ||
2990                     gui->current_operation == CWINDOW_PROJECTOR ) {
2991                         if( !gui->ctrl_down() && gui->shift_down() && !gui->translating_zoom ) {
2992                                 gui->translating_zoom = 1;
2993                                 gui->reset_affected();
2994                         }
2995                         else if( !gui->ctrl_down() && !gui->shift_down() && gui->translating_zoom ) {
2996                                 gui->translating_zoom = 0;
2997                                 gui->reset_affected();
2998                         }
2999
3000 // Get target keyframe
3001                         if( !gui->affected_x && !gui->affected_y && !gui->affected_z ) {
3002                                 if( !gui->affected_track ) return 0;
3003                                 FloatAutos *affected_x_autos, *affected_y_autos, *affected_z_autos;
3004                                 FloatAutos** autos = (FloatAutos**) gui->affected_track->automation->autos;
3005                                 if( mwindow->edl->session->cwindow_operation == CWINDOW_CAMERA ) {
3006                                         affected_x_autos = autos[AUTOMATION_CAMERA_X];
3007                                         affected_y_autos = autos[AUTOMATION_CAMERA_Y];
3008                                         affected_z_autos = autos[AUTOMATION_CAMERA_Z];
3009                                 }
3010                                 else {
3011                                         affected_x_autos = autos[AUTOMATION_PROJECTOR_X];
3012                                         affected_y_autos = autos[AUTOMATION_PROJECTOR_Y];
3013                                         affected_z_autos = autos[AUTOMATION_PROJECTOR_Z];
3014                                 }
3015                                 double position = mwindow->edl->local_session->get_selectionstart(1);
3016                                 int64_t track_position = gui->affected_track->to_units(position, 0);
3017                                 FloatAuto *prev_x = 0, *next_x = 0;
3018                                 float new_x = affected_x_autos->get_value(track_position, PLAY_FORWARD, prev_x, next_x);
3019                                 FloatAuto *prev_y = 0, *next_y = 0;
3020                                 float new_y = affected_y_autos->get_value(track_position, PLAY_FORWARD, prev_y, next_y);
3021                                 FloatAuto *prev_z = 0, *next_z = 0;
3022                                 float new_z = affected_z_autos->get_value(track_position, PLAY_FORWARD, prev_z, next_z);
3023                                 int zooming = gui->translating_zoom, created;
3024                                 gui->affected_x = (FloatAuto*)gui->cwindow->calculate_affected_auto(
3025                                                         affected_x_autos, !zooming, &created, 0);
3026                                 if( created ) {
3027                                         gui->affected_x->set_value(new_x);
3028                                         redraw_canvas = 1;
3029                                 }
3030                                 gui->affected_y = (FloatAuto*)gui->cwindow->calculate_affected_auto(
3031                                                         affected_y_autos, !zooming, &created, 0);
3032                                 if( created ) {
3033                                         gui->affected_y->set_value(new_y);
3034                                         redraw_canvas = 1;
3035                                 }
3036                                 gui->affected_z = (FloatAuto*)gui->cwindow->calculate_affected_auto(
3037                                                         affected_z_autos, zooming, &created, 0);
3038                                 if( created ) {
3039                                         gui->affected_z->set_value(new_z);
3040                                         redraw_canvas = 1;
3041                                 }
3042                                 calculate_origin();
3043
3044                                 if( gui->translating_zoom ) {
3045                                         gui->center_z = gui->affected_z->get_value();
3046                                 }
3047                                 else {
3048                                         gui->center_x = gui->affected_x->get_value();
3049                                         gui->center_y = gui->affected_y->get_value();
3050                                 }
3051
3052                                 rerender = 1;
3053                                 redraw = 1;
3054                         }
3055
3056                         float x_val = gui->affected_x->get_value();
3057                         float y_val = gui->affected_y->get_value();
3058                         float z_val = gui->affected_z->get_value();
3059
3060                         if( gui->translating_zoom ) {
3061                                 float z = gui->center_z + (cursor_y - gui->y_origin) / yS(128);
3062                                 if( z < 0 ) z = 0;
3063                                 if( !EQUIV(z_val, z) ) {
3064                                         rerender = 1;
3065                                         redraw = 1;
3066                                         redraw_canvas = 1;
3067                                 }
3068                                 gui->affected_z->set_value(z);
3069                         }
3070                         else {
3071                                 float dx = cursor_x - gui->x_origin;
3072                                 float dy = cursor_y - gui->y_origin;
3073 // follow image, not camera
3074                                 if( gui->current_operation == CWINDOW_CAMERA ) {
3075                                         dx = -dx / z_val;  dy = -dy / z_val;
3076                                 }
3077                                 float x = gui->center_x + dx;
3078                                 float y = gui->center_y + dy;
3079                                 gui->affected_x->set_value(x);
3080                                 gui->affected_y->set_value(y);
3081                                 if( !EQUIV(x_val, x) || !EQUIV(y_val, y) ) {
3082                                         rerender = 1;
3083                                         redraw = 1;
3084                                         redraw_canvas = 1;
3085                                 }
3086                         }
3087                 }
3088
3089                 result = 1;
3090         }
3091         else
3092 // Begin drag operation.  Don't create keyframe here.
3093         {
3094 // Get affected track off of the first recordable video track.
3095 // Calculating based on the alpha channel would require recording what layer
3096 // each output pixel belongs to as they're rendered and stacked.  Forget it.
3097                 gui->affected_track = gui->cwindow->calculate_affected_track();
3098                 gui->reset_affected();
3099
3100                 if( gui->affected_track ) {
3101                         if( do_camera )
3102                                 mwindow->undo->update_undo_before(_("camera"), this);
3103                         else
3104                                 mwindow->undo->update_undo_before(_("projector"), this);
3105
3106                         gui->current_operation =
3107                                 mwindow->edl->session->cwindow_operation;
3108                         gui->tool_panel->raise_window();
3109                         result = 1;
3110                 }
3111         }
3112
3113         return result;
3114 }
3115
3116 int CWindowCanvas::test_zoom(int &redraw)
3117 {
3118         float zoom = 0;
3119         int button = get_buttonpress();
3120         if( button == LEFT_BUTTON )
3121                 button = gui->shift_down() ? WHEEL_DOWN : WHEEL_UP;
3122         if( !(zoom = get_zoom()) )
3123                 zoom = get_auto_zoom(mwindow->edl);
3124         switch( button ) {
3125         case WHEEL_UP: {
3126                 int idx = 0;
3127                 for( ; idx < total_zooms; ++idx ) {
3128                         if( EQUIV(zoom, my_zoom_table[idx]) ) continue;
3129                         if( zoom < my_zoom_table[idx] ) break;
3130                 }
3131                 float zoom11 = 1.1f * zoom;
3132                 zoom = idx < total_zooms ? my_zoom_table[idx] : zoom11;
3133                 if( zoom > zoom11 ) zoom = zoom11;
3134                 break; }
3135         case WHEEL_DOWN: {
3136                 int idx = total_zooms;
3137                 for( ; --idx >= 0; ) {
3138                         if( EQUIV(my_zoom_table[idx], zoom) ) continue;
3139                         if( my_zoom_table[idx] < zoom ) break;
3140                 }
3141                 float zoom09 = 0.9f * zoom;
3142                 zoom = idx >= 0 ? my_zoom_table[idx] : zoom09;
3143                 if( zoom < zoom09 ) zoom = zoom09;
3144                 break; }
3145         case MIDDLE_BUTTON:
3146                 if( gui->shift_down() ) {
3147                         zoom = 0;
3148                         break;
3149                 }
3150         default: // fall thru
3151                 return 0;
3152         }
3153         float cx = get_cursor_x(), cy = get_cursor_y();
3154         set_zoom(mwindow->edl, zoom, cx, cy);
3155         gui->zoom_panel->update(zoom);
3156         gui->update_canvas();
3157         redraw = 1;
3158         return 1;
3159 }
3160
3161
3162 void CWindowCanvas::calculate_origin()
3163 {
3164         float zoom_x, zoom_y, conformed_w, conformed_h;
3165         get_zooms(mwindow->edl, 0, zoom_x, zoom_y, conformed_w, conformed_h);
3166         gui->x_offset = get_x_offset(mwindow->edl, 0, zoom_x, conformed_w, conformed_h);
3167         gui->y_offset = get_y_offset(mwindow->edl, 0, zoom_y, conformed_w, conformed_h);
3168         gui->x_origin = (float)get_cursor_x() / zoom_x + gui->x_offset;
3169         gui->y_origin = (float)get_cursor_y() / zoom_y + gui->y_offset;
3170 }
3171
3172
3173 int CWindowCanvas::cursor_leave_event()
3174 {
3175         set_cursor(ARROW_CURSOR);
3176         return 1;
3177 }
3178
3179 int CWindowCanvas::cursor_enter_event()
3180 {
3181         int redraw = 0;
3182         switch( mwindow->edl->session->cwindow_operation ) {
3183         case CWINDOW_CAMERA:
3184         case CWINDOW_PROJECTOR:
3185                 set_cursor(MOVE_CURSOR);
3186                 break;
3187         case CWINDOW_ZOOM:
3188                 set_cursor(MOVE_CURSOR);
3189                 break;
3190         case CWINDOW_CROP:
3191                 test_crop(0, redraw);
3192                 break;
3193         case CWINDOW_PROTECT:
3194                 set_cursor(ARROW_CURSOR);
3195                 break;
3196         case CWINDOW_MASK:
3197         case CWINDOW_RULER:
3198                 set_cursor(CROSS_CURSOR);
3199                 break;
3200         case CWINDOW_EYEDROP:
3201                 set_cursor(CROSS_CURSOR);
3202                 break;
3203         }
3204         return 1;
3205 }
3206
3207 int CWindowCanvas::cursor_motion_event()
3208 {
3209         int redraw = 0, result = 0, rerender = 0, redraw_canvas = 0;
3210
3211
3212 //printf("CWindowCanvas::cursor_motion_event %d current_operation=%d\n", __LINE__, gui->current_operation);
3213         switch( gui->current_operation ) {
3214         case CWINDOW_SCROLL: {
3215                 result = do_scroll(mwindow->edl, get_cursor_x(), get_cursor_y());
3216                 break; }
3217
3218         case CWINDOW_RULER:
3219                 result = do_ruler(0, 1, 0, 0);
3220                 break;
3221
3222         case CWINDOW_CAMERA:
3223                 result = test_bezier(0, redraw, redraw_canvas, rerender, 1);
3224                 break;
3225
3226         case CWINDOW_PROJECTOR:
3227                 result = test_bezier(0, redraw, redraw_canvas, rerender, 0);
3228                 break;
3229
3230         case CWINDOW_CROP:
3231                 result = test_crop(0, redraw);
3232 // printf("CWindowCanvas::cursor_motion_event %d result=%d redraw=%d\n",
3233 // __LINE__, result, redraw);
3234                 break;
3235
3236         case CWINDOW_MASK:
3237         case CWINDOW_MASK_CONTROL_IN:
3238         case CWINDOW_MASK_CONTROL_OUT:
3239         case CWINDOW_MASK_TRANSLATE:
3240                 result = do_mask(redraw, rerender, 0, 1, 0);
3241                 break;
3242
3243         case CWINDOW_EYEDROP:
3244                 result = do_eyedrop(rerender, 0, 0);
3245                 break;
3246
3247         default:
3248                 break;
3249
3250         }
3251
3252 // cursor font changes
3253         if( !result ) {
3254 // printf("CWindowCanvas::cursor_motion_event %d cwindow_operation=%d\n",
3255 // __LINE__, mwindow->edl->session->cwindow_operation);
3256                 switch( mwindow->edl->session->cwindow_operation ) {
3257                 case CWINDOW_CROP:
3258                         result = test_crop(0, redraw);
3259                         break;
3260                 case CWINDOW_RULER:
3261                         result = do_ruler(0, 1, 0, 0);
3262                         break;
3263                 case CWINDOW_MASK:
3264                         result = do_mask(redraw, rerender, 0, 1, 0);
3265                         break;
3266                 }
3267         }
3268
3269         int change_type = rerender ? CHANGE_PARAMS : -1;
3270         gui->sync_parameters(change_type, redraw, redraw_canvas);
3271
3272         return result;
3273 }
3274
3275 int CWindowCanvas::button_press_event()
3276 {
3277         int result = 0;
3278         int redraw = 0;
3279         int redraw_canvas = 0;
3280         int rerender = 0;
3281
3282         if( Canvas::button_press_event() ) return 1;
3283
3284         gui->translating_zoom = gui->shift_down();
3285         calculate_origin();
3286
3287 // Scroll view
3288         if( mwindow->edl->session->cwindow_operation != CWINDOW_PROTECT &&
3289             get_buttonpress() == MIDDLE_BUTTON && !get_canvas()->shift_down() ) {
3290                 gui->current_operation = CWINDOW_SCROLL;
3291                 result = 1;
3292         }
3293         else {
3294 // Adjust parameter
3295                 switch( mwindow->edl->session->cwindow_operation ) {
3296                 case CWINDOW_RULER:
3297                         result = do_ruler(0, 0, 1, 0);
3298                         break;
3299
3300                 case CWINDOW_CAMERA:
3301                         result = test_bezier(1, redraw, redraw_canvas, rerender, 1);
3302                         break;
3303
3304                 case CWINDOW_PROJECTOR:
3305                         result = test_bezier(1, redraw, redraw_canvas, rerender, 0);
3306                         break;
3307
3308                 case CWINDOW_ZOOM:
3309                         result = test_zoom(redraw);
3310                         break;
3311
3312                 case CWINDOW_CROP:
3313                         result = test_crop(1, redraw);
3314                         break;
3315
3316                 case CWINDOW_MASK:
3317                         switch( get_buttonpress() ) {
3318                         case LEFT_BUTTON:
3319                                 result = do_mask(redraw, rerender, 1, 0, 0);
3320                                 break;
3321                         case MIDDLE_BUTTON: {  // && shift_down()
3322                                 result = do_mask_focus();
3323                                 redraw = redraw_canvas = 1;
3324                                 break; }
3325                         case WHEEL_UP:
3326                         case WHEEL_DOWN:
3327                                 result = do_mask(redraw, rerender, 1, 1, 0);
3328                                 break;
3329                         }
3330                         if( result ) redraw_canvas = 1;
3331                         break;
3332
3333                 case CWINDOW_EYEDROP:
3334                         result = do_eyedrop(rerender, 1, 0);
3335                         break;
3336                 }
3337         }
3338
3339         int change_type = rerender ? CHANGE_PARAMS : -1;
3340         gui->sync_parameters(change_type, redraw, redraw_canvas);
3341
3342         return result;
3343 }
3344
3345 int CWindowCanvas::button_release_event()
3346 {
3347         int result = 0;
3348         const char *undo_label = 0;
3349         BC_WindowBase *window = get_canvas();
3350         if( window && !window->get_video_on() )
3351                 draw_scope(refresh_frame, -1);
3352
3353         switch( gui->current_operation ) {
3354         case CWINDOW_SCROLL:
3355                 result = 1;
3356                 break;
3357
3358         case CWINDOW_RULER:
3359                 do_ruler(0, 0, 0, 1);
3360                 break;
3361
3362         case CWINDOW_CAMERA:
3363                 undo_label = _("camera");
3364                 break;
3365
3366         case CWINDOW_PROJECTOR:
3367                 undo_label = _("projector");
3368                 break;
3369
3370         case CWINDOW_MASK:
3371         case CWINDOW_MASK_CONTROL_IN:
3372         case CWINDOW_MASK_CONTROL_OUT:
3373         case CWINDOW_MASK_TRANSLATE:
3374 // Finish mask operation
3375                 gui->mask_keyframe = 0;
3376                 undo_label = _("mask");
3377                 break;
3378         case CWINDOW_MASK_ROTATE:
3379                 gui->mask_keyframe = 0;
3380                 undo_label = _("mask rotate");
3381                 break;
3382         case CWINDOW_MASK_SCALE:
3383                 gui->mask_keyframe = 0;
3384                 undo_label = _("mask scale");
3385                 break;
3386         case CWINDOW_NONE:
3387                 result = Canvas::button_release_event();
3388                 break;
3389         }
3390
3391         if( undo_label )
3392                 mwindow->undo->update_undo_after(undo_label, LOAD_AUTOMATION);
3393         gui->current_operation = CWINDOW_NONE;
3394         return result;
3395 }
3396
3397 void CWindowCanvas::zoom_resize_window(float percentage)
3398 {
3399         int canvas_w, canvas_h;
3400         int new_w, new_h;
3401
3402 // Get required canvas size
3403         calculate_sizes(mwindow->edl->get_aspect_ratio(),
3404                 mwindow->edl->session->output_w,
3405                 mwindow->edl->session->output_h,
3406                 percentage, canvas_w, canvas_h);
3407
3408 // Estimate window size from current borders
3409         new_w = canvas_w + (gui->get_w() - mwindow->theme->ccanvas_w);
3410         new_h = canvas_h + (gui->get_h() - mwindow->theme->ccanvas_h);
3411
3412 //printf("CWindowCanvas::zoom_resize_window %d %d %d\n", __LINE__, new_w, new_h);
3413         mwindow->session->cwindow_w = new_w;
3414         mwindow->session->cwindow_h = new_h;
3415
3416         mwindow->theme->get_cwindow_sizes(gui,
3417                 mwindow->session->cwindow_controls);
3418
3419 // Estimate again from new borders
3420         new_w = canvas_w + (mwindow->session->cwindow_w - mwindow->theme->ccanvas_w);
3421         new_h = canvas_h + (mwindow->session->cwindow_h - mwindow->theme->ccanvas_h);
3422 //printf("CWindowCanvas::zoom_resize_window %d %d %d\n", __LINE__, new_w, new_h);
3423
3424         gui->resize_window(new_w, new_h);
3425         gui->resize_event(new_w, new_h);
3426 }
3427
3428 void CWindowCanvas::toggle_controls()
3429 {
3430         mwindow->session->cwindow_controls = !mwindow->session->cwindow_controls;
3431         gui->resize_event(gui->get_w(), gui->get_h());
3432 }
3433
3434 int CWindowCanvas::get_controls()
3435 {
3436         return mwindow->session->cwindow_controls;
3437 }
3438
3439 int CWindowCanvas::get_clear_color()
3440 {
3441         int color = mwindow->edl->session->cwindow_clear_color;
3442         if( color < 0 ) color = Canvas::get_clear_color();
3443         return color;
3444 }
3445