cinelerra-5.1/cinelerra/cwindowgui.C

   1
   2 /*
   3  * CINELERRA
   4  * Copyright (C) 1997-2014 Adam Williams <broadcast at earthling dot net>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  *
  20  */
  21
  22 #include "automation.h"
  23 #include "autos.h"
  24 #include "bcsignals.h"
  25 #include "canvas.h"
  26 #include "clip.h"
  27 #include "cpanel.h"
  28 #include "cplayback.h"
  29 #include "ctimebar.h"
  30 #include "cursors.h"
  31 #include "cwindowgui.h"
  32 #include "cwindow.h"
  33 #include "cwindowtool.h"
  34 #include "editpanel.h"
  35 #include "edl.h"
  36 #include "edlsession.h"
  37 #include "floatauto.h"
  38 #include "floatautos.h"
  39 #include "keys.h"
  40 #include "language.h"
  41 #include "localsession.h"
  42 #include "mainclock.h"
  43 #include "mainmenu.h"
  44 #include "mainundo.h"
  45 #include "mainsession.h"
  46 #include "maskauto.h"
  47 #include "maskautos.h"
  48 #include "mbuttons.h"
  49 #include "meterpanel.h"
  50 #include "mwindowgui.h"
  51 #include "mwindow.h"
  52 #include "mwindow.h"
  53 #include "playback3d.h"
  54 #include "playtransport.h"
  55 #include "theme.h"
  56 #include "trackcanvas.h"
  57 #include "tracks.h"
  58 #include "transportque.h"
  59 #include "vtrack.h"
  60
  61
  62 static double my_zoom_table[] =
  63 {
  64         0.25,
  65         0.33,
  66         0.50,
  67         0.75,
  68         1.0,
  69         1.5,
  70         2.0,
  71         3.0,
  72         4.0
  73 };
  74
  75 static int total_zooms = sizeof(my_zoom_table) / sizeof(double);
  76
  77
  78 CWindowGUI::CWindowGUI(MWindow *mwindow, CWindow *cwindow)
  79  : BC_Window(_(PROGRAM_NAME ": Compositor"),
  80         mwindow->session->cwindow_x,
  81     mwindow->session->cwindow_y,
  82     mwindow->session->cwindow_w,
  83     mwindow->session->cwindow_h,
  84     100,
  85     100,
  86     1,
  87     1,
  88     1,
  89         BC_WindowBase::get_resources()->bg_color,
  90         mwindow->get_cwindow_display())
  91 {
  92         this->mwindow = mwindow;
  93         this->cwindow = cwindow;
  94         affected_track = 0;
  95         affected_x = affected_y = affected_z = 0;
  96         mask_keyframe = 0;
  97         orig_mask_keyframe = new MaskAuto(0, 0);
  98         affected_point = 0;
  99         x_offset = y_offset = 0;
 100         x_origin = y_origin = 0;
 101         current_operation = CWINDOW_NONE;
 102         tool_panel = 0;
 103         active = 0;
 104         inactive = 0;
 105         crop_handle = -1; crop_translate = 0;
 106         crop_origin_x = crop_origin_y = 0;
 107         crop_origin_x1 = crop_origin_y1 = 0;
 108         crop_origin_x2 = crop_origin_y2 = 0;
 109         eyedrop_visible = 0;
 110         eyedrop_x = eyedrop_y = 0;
 111         ruler_origin_x = ruler_origin_y = 0;
 112         ruler_handle = -1; ruler_translate = 0;
 113         center_x = center_y = center_z = 0;
 114         control_in_x = control_in_y = 0;
 115         control_out_x = control_out_y = 0;
 116         translating_zoom = 0;
 117         highlighted = 0;
 118 }
 119
 120 CWindowGUI::~CWindowGUI()
 121 {
 122         if(tool_panel) delete tool_panel;
 123         delete meters;
 124         delete composite_panel;
 125         delete canvas;
 126         delete transport;
 127         delete edit_panel;
 128         delete zoom_panel;
 129         delete active;
 130         delete inactive;
 131         delete orig_mask_keyframe;
 132 }
 133
 134 void CWindowGUI::create_objects()
 135 {
 136         lock_window("CWindowGUI::create_objects");
 137         set_icon(mwindow->theme->get_image("cwindow_icon"));
 138
 139         active = new BC_Pixmap(this, mwindow->theme->get_image("cwindow_active"));
 140         inactive = new BC_Pixmap(this, mwindow->theme->get_image("cwindow_inactive"));
 141
 142         mwindow->theme->get_cwindow_sizes(this, mwindow->session->cwindow_controls);
 143         mwindow->theme->draw_cwindow_bg(this);
 144         flash();
 145
 146 // Meters required by composite panel
 147         meters = new CWindowMeters(mwindow,
 148                 this,
 149                 mwindow->theme->cmeter_x,
 150                 mwindow->theme->cmeter_y,
 151                 mwindow->theme->cmeter_h);
 152         meters->create_objects();
 153
 154
 155         composite_panel = new CPanel(mwindow,
 156                 this,
 157                 mwindow->theme->ccomposite_x,
 158                 mwindow->theme->ccomposite_y,
 159                 mwindow->theme->ccomposite_w,
 160                 mwindow->theme->ccomposite_h);
 161         composite_panel->create_objects();
 162
 163         canvas = new CWindowCanvas(mwindow, this);
 164
 165         canvas->create_objects(mwindow->edl);
 166         canvas->use_cwindow();
 167
 168
 169         add_subwindow(timebar = new CTimeBar(mwindow,
 170                 this,
 171                 mwindow->theme->ctimebar_x,
 172                 mwindow->theme->ctimebar_y,
 173                 mwindow->theme->ctimebar_w,
 174                 mwindow->theme->ctimebar_h));
 175         timebar->create_objects();
 176
 177 #ifdef USE_SLIDER
 178         add_subwindow(slider = new CWindowSlider(mwindow,
 179                 cwindow,
 180                 mwindow->theme->cslider_x,
 181                 mwindow->theme->cslider_y,
 182                 mwindow->theme->cslider_w));
 183 #endif
 184
 185         transport = new CWindowTransport(mwindow,
 186                 this,
 187                 mwindow->theme->ctransport_x,
 188                 mwindow->theme->ctransport_y);
 189         transport->create_objects();
 190 #ifdef USE_SLIDER
 191         transport->set_slider(slider);
 192 #endif
 193
 194         edit_panel = new CWindowEditing(mwindow, cwindow);
 195         edit_panel->set_meters(meters);
 196         edit_panel->create_objects();
 197
 198 //      add_subwindow(clock = new MainClock(mwindow,
 199 //              mwindow->theme->ctime_x,
 200 //              mwindow->theme->ctime_y));
 201
 202         zoom_panel = new CWindowZoom(mwindow,
 203                 this,
 204                 mwindow->theme->czoom_x,
 205                 mwindow->theme->czoom_y,
 206                 mwindow->theme->czoom_w);
 207         zoom_panel->create_objects();
 208         zoom_panel->zoom_text->add_item(new BC_MenuItem(auto_zoom = _(AUTO_ZOOM)));
 209         if( !mwindow->edl->session->cwindow_scrollbars )
 210                 zoom_panel->set_text(auto_zoom);
 211
 212 //      destination = new CWindowDestination(mwindow,
 213 //              this,
 214 //              mwindow->theme->cdest_x,
 215 //              mwindow->theme->cdest_y);
 216 //      destination->create_objects();
 217
 218 // Must create after meter panel
 219         tool_panel = new CWindowTool(mwindow, this);
 220         tool_panel->Thread::start();
 221
 222         set_operation(mwindow->edl->session->cwindow_operation);
 223         draw_status(0);
 224         unlock_window();
 225 }
 226
 227 int CWindowGUI::translation_event()
 228 {
 229         mwindow->session->cwindow_x = get_x();
 230         mwindow->session->cwindow_y = get_y();
 231         return 0;
 232 }
 233
 234 int CWindowGUI::resize_event(int w, int h)
 235 {
 236         mwindow->session->cwindow_x = get_x();
 237         mwindow->session->cwindow_y = get_y();
 238         mwindow->session->cwindow_w = w;
 239         mwindow->session->cwindow_h = h;
 240
 241         mwindow->theme->get_cwindow_sizes(this, mwindow->session->cwindow_controls);
 242         mwindow->theme->draw_cwindow_bg(this);
 243         flash(0);
 244
 245         composite_panel->reposition_buttons(mwindow->theme->ccomposite_x,
 246                 mwindow->theme->ccomposite_y, mwindow->theme->ccomposite_h);
 247
 248         canvas->reposition_window(mwindow->edl,
 249                 mwindow->theme->ccanvas_x,
 250                 mwindow->theme->ccanvas_y,
 251                 mwindow->theme->ccanvas_w,
 252                 mwindow->theme->ccanvas_h);
 253
 254         timebar->resize_event();
 255
 256 #ifdef USE_SLIDER
 257         slider->reposition_window(mwindow->theme->cslider_x,
 258                 mwindow->theme->cslider_y,
 259                 mwindow->theme->cslider_w);
 260 // Recalibrate pointer motion range
 261         slider->set_position();
 262 #endif
 263
 264         transport->reposition_buttons(mwindow->theme->ctransport_x,
 265                 mwindow->theme->ctransport_y);
 266
 267         edit_panel->reposition_buttons(mwindow->theme->cedit_x,
 268                 mwindow->theme->cedit_y);
 269
 270 //      clock->reposition_window(mwindow->theme->ctime_x,
 271 //              mwindow->theme->ctime_y);
 272
 273         zoom_panel->reposition_window(mwindow->theme->czoom_x,
 274                 mwindow->theme->czoom_y);
 275
 276 //      destination->reposition_window(mwindow->theme->cdest_x,
 277 //              mwindow->theme->cdest_y);
 278
 279         meters->reposition_window(mwindow->theme->cmeter_x,
 280                 mwindow->theme->cmeter_y,
 281                 -1,
 282                 mwindow->theme->cmeter_h);
 283
 284         draw_status(0);
 285
 286         BC_WindowBase::resize_event(w, h);
 287         return 1;
 288 }
 289
 290 int CWindowGUI::button_press_event()
 291 {
 292         if( current_operation == CWINDOW_NONE &&
 293             mwindow->edl != 0 && canvas->get_canvas() &&
 294             mwindow->edl->session->cwindow_click2play &&
 295             canvas->get_canvas()->get_cursor_over_window() ) {
 296                 switch( get_buttonpress() ) {
 297                 case LEFT_BUTTON:
 298                         if( !cwindow->playback_engine->is_playing_back ) {
 299                                 double length = mwindow->edl->tracks->total_playable_length();
 300                                 double position = cwindow->playback_engine->get_tracking_position();
 301                                 if( position >= length ) transport->goto_start();
 302                         }
 303                         return transport->forward_play->handle_event();
 304                 case MIDDLE_BUTTON:
 305                         if( !cwindow->playback_engine->is_playing_back ) {
 306                                 double position = cwindow->playback_engine->get_tracking_position();
 307                                 if( position <= 0 ) transport->goto_end();
 308                         }
 309                         return transport->reverse_play->handle_event();
 310                 case RIGHT_BUTTON:  // activates popup
 311                         break;
 312                 case WHEEL_UP:
 313                         return transport->frame_forward_play->handle_event();
 314                 case WHEEL_DOWN:
 315                         return transport->frame_reverse_play->handle_event();
 316                 }
 317         }
 318         if(canvas->get_canvas())
 319                 return canvas->button_press_event_base(canvas->get_canvas());
 320         return 0;
 321 }
 322
 323 int CWindowGUI::cursor_leave_event()
 324 {
 325         if(canvas->get_canvas())
 326                 return canvas->cursor_leave_event_base(canvas->get_canvas());
 327         return 0;
 328 }
 329
 330 int CWindowGUI::cursor_enter_event()
 331 {
 332         if(canvas->get_canvas())
 333                 return canvas->cursor_enter_event_base(canvas->get_canvas());
 334         return 0;
 335 }
 336
 337 int CWindowGUI::button_release_event()
 338 {
 339         if(canvas->get_canvas())
 340                 return canvas->button_release_event();
 341         return 0;
 342 }
 343
 344 int CWindowGUI::cursor_motion_event()
 345 {
 346         if(canvas->get_canvas())
 347         {
 348                 canvas->get_canvas()->unhide_cursor();
 349                 return canvas->cursor_motion_event();
 350         }
 351         return 0;
 352 }
 353
 354
 355
 356
 357
 358
 359
 360 void CWindowGUI::draw_status(int flush)
 361 {
 362         if( (canvas->get_canvas() && canvas->get_canvas()->get_video_on()) ||
 363                 canvas->is_processing )
 364         {
 365                 draw_pixmap(active,
 366                         mwindow->theme->cstatus_x,
 367                         mwindow->theme->cstatus_y);
 368         }
 369         else
 370         {
 371                 draw_pixmap(inactive,
 372                         mwindow->theme->cstatus_x,
 373                         mwindow->theme->cstatus_y);
 374         }
 375
 376
 377 // printf("CWindowGUI::draw_status %d %d %d\n", __LINE__, mwindow->theme->cstatus_x,
 378 //              mwindow->theme->cstatus_y);
 379         flash(mwindow->theme->cstatus_x,
 380                 mwindow->theme->cstatus_y,
 381                 active->get_w(),
 382                 active->get_h(),
 383                 flush);
 384 }
 385
 386 float CWindowGUI::get_auto_zoom()
 387 {
 388         float conformed_w, conformed_h;
 389         mwindow->edl->calculate_conformed_dimensions(0, conformed_w, conformed_h);
 390         float zoom_x = canvas->w / conformed_w;
 391         float zoom_y = canvas->h / conformed_h;
 392         return zoom_x < zoom_y ? zoom_x : zoom_y;
 393 }
 394
 395 void CWindowGUI::zoom_canvas(double value, int update_menu)
 396 {
 397         float x = 0, y = 0;
 398         float zoom = !value ? get_auto_zoom() : value;
 399         mwindow->edl->session->cwindow_scrollbars = !value ? 0 : 1;
 400         if( value ) {
 401                 float cx = canvas->get_xscroll() + 0.5f*canvas->w_visible;
 402                 float cy = canvas->get_yscroll() + 0.5f*canvas->h_visible;
 403                 float output_x = cx, output_y = cy;
 404                 canvas->output_to_canvas(mwindow->edl, 0, cx, cy);
 405                 x = output_x - cx / zoom;
 406                 y = output_y - cy / zoom;
 407         }
 408         canvas->update_zoom((int)(x+0.5), (int)(y+0.5), zoom);
 409
 410         if( update_menu )
 411                 zoom_panel->update(value);
 412         if( mwindow->edl->session->cwindow_operation == CWINDOW_ZOOM )
 413                 composite_panel->cpanel_zoom->update(zoom);
 414
 415         canvas->reposition_window(mwindow->edl,
 416                 mwindow->theme->ccanvas_x, mwindow->theme->ccanvas_y,
 417                 mwindow->theme->ccanvas_w, mwindow->theme->ccanvas_h);
 418         canvas->draw_refresh();
 419 }
 420
 421 void CWindowGUI::set_operation(int value)
 422 {
 423         switch( value ) {
 424         case CWINDOW_TOOL_WINDOW:
 425                 mwindow->edl->session->tool_window = !mwindow->edl->session->tool_window;
 426                 composite_panel->operation[CWINDOW_TOOL_WINDOW]->update(mwindow->edl->session->tool_window);
 427                 tool_panel->update_show_window();
 428                 return;
 429         case CWINDOW_TITLESAFE:
 430                 mwindow->edl->session->safe_regions = !mwindow->edl->session->safe_regions;
 431                 composite_panel->operation[CWINDOW_TITLESAFE]->update(mwindow->edl->session->safe_regions);
 432                 value = mwindow->edl->session->cwindow_operation;
 433                 break;
 434         default:
 435                 mwindow->edl->session->cwindow_operation = value;
 436                 composite_panel->set_operation(value);
 437                 break;
 438         }
 439
 440         edit_panel->update();
 441         tool_panel->start_tool(value);
 442         canvas->draw_refresh();
 443 }
 444
 445 void CWindowGUI::update_tool()
 446 {
 447         tool_panel->update_values();
 448 }
 449
 450 int CWindowGUI::close_event()
 451 {
 452         cwindow->hide_window();
 453         return 1;
 454 }
 455
 456
 457 int CWindowGUI::keypress_event()
 458 {
 459         int result = 0;
 460         int cwindow_operation = CWINDOW_NONE;
 461
 462         switch(get_keypress())
 463         {
 464                 case 'w':
 465                 case 'W':
 466                         close_event();
 467                         result = 1;
 468                         break;
 469                 case '+':
 470                 case '=':
 471                         keyboard_zoomin();
 472                         result = 1;
 473                         break;
 474                 case '-':
 475                         keyboard_zoomout();
 476                         result = 1;
 477                         break;
 478                 case 'f':
 479                         unlock_window();
 480                         if(mwindow->session->cwindow_fullscreen)
 481                                 canvas->stop_fullscreen();
 482                         else
 483                                 canvas->start_fullscreen();
 484                         lock_window("CWindowGUI::keypress_event 1");
 485                         break;
 486                 case 'x':
 487                         unlock_window();
 488                         mwindow->gui->lock_window("CWindowGUI::keypress_event 2");
 489                         mwindow->cut();
 490                         mwindow->gui->unlock_window();
 491                         lock_window("CWindowGUI::keypress_event 2");
 492                         break;
 493                 case DELETE:
 494                         unlock_window();
 495                         mwindow->gui->lock_window("CWindowGUI::keypress_event 2");
 496                         mwindow->clear_entry();
 497                         mwindow->gui->unlock_window();
 498                         lock_window("CWindowGUI::keypress_event 3");
 499                         break;
 500                 case ESC:
 501                         unlock_window();
 502                         if(mwindow->session->cwindow_fullscreen)
 503                                 canvas->stop_fullscreen();
 504                         lock_window("CWindowGUI::keypress_event 4");
 505                         break;
 506                 case LEFT:
 507                         if( !ctrl_down() ) {
 508                                 int alt_down = this->alt_down();
 509                                 int shift_down = this->shift_down();
 510                                 unlock_window();
 511                                 stop_transport(0);
 512                                 mwindow->gui->lock_window("CWindowGUI::keypress_event 5");
 513                                 if( alt_down )
 514                                         mwindow->prev_edit_handle(shift_down);
 515                                 else
 516                                         mwindow->move_left();
 517                                 mwindow->gui->unlock_window();
 518                                 lock_window("CWindowGUI::keypress_event 6");
 519                                 result = 1;
 520                         }
 521                         break;
 522
 523                 case ',':
 524                         if( !ctrl_down() && !alt_down() ) {
 525                                 unlock_window();
 526                                 stop_transport(0);
 527                                 mwindow->gui->lock_window("CWindowGUI::keypress_event 7");
 528                                 mwindow->move_left();
 529                                 mwindow->gui->unlock_window();
 530                                 lock_window("CWindowGUI::keypress_event 8");
 531                                 result = 1;
 532                         }
 533                         break;
 534
 535                 case RIGHT:
 536                         if( !ctrl_down() ) {
 537                                 int alt_down = this->alt_down();
 538                                 int shift_down = this->shift_down();
 539                                 unlock_window();
 540                                 stop_transport(0);
 541                                 mwindow->gui->lock_window("CWindowGUI::keypress_event 8");
 542                                 if( alt_down )
 543                                         mwindow->next_edit_handle(shift_down);
 544                                 else
 545                                         mwindow->move_right();
 546                                 mwindow->gui->unlock_window();
 547                                 lock_window("CWindowGUI::keypress_event 9");
 548                                 result = 1;
 549                         }
 550                         break;
 551
 552                 case '.':
 553                         if( !ctrl_down() && !alt_down() ) {
 554                                 unlock_window();
 555                                 stop_transport(0);
 556                                 mwindow->gui->lock_window("CWindowGUI::keypress_event 10");
 557                                 mwindow->move_right();
 558                                 mwindow->gui->unlock_window();
 559                                 lock_window("CWindowGUI::keypress_event 11");
 560                                 result = 1;
 561                         }
 562                         break;
 563
 564                 case KEY_F1:    cwindow_operation = CWINDOW_PROTECT;    break;
 565                 case KEY_F2:    cwindow_operation = CWINDOW_ZOOM;       break;
 566                 case KEY_F3:    cwindow_operation = CWINDOW_MASK;       break;
 567                 case KEY_F4:    cwindow_operation = CWINDOW_RULER;      break;
 568                 case KEY_F5:    cwindow_operation = CWINDOW_CAMERA;     break;
 569                 case KEY_F6:    cwindow_operation = CWINDOW_PROJECTOR;  break;
 570                 case KEY_F7:    cwindow_operation = CWINDOW_CROP;       break;
 571                 case KEY_F8:    cwindow_operation = CWINDOW_EYEDROP;    break;
 572                 case KEY_F9:    cwindow_operation = CWINDOW_TOOL_WINDOW; break;
 573                 case KEY_F10:   cwindow_operation = CWINDOW_TITLESAFE;  break;
 574                 case KEY_F11:   canvas->reset_camera();                 break;
 575                 case KEY_F12:   canvas->reset_projector();              break;
 576         }
 577
 578         if( cwindow_operation >= 0 ) {
 579                 set_operation(cwindow_operation);
 580                 result = 1;
 581         }
 582
 583         if(!result) result = transport->keypress_event();
 584
 585         return result;
 586 }
 587
 588
 589 void CWindowGUI::reset_affected()
 590 {
 591         affected_x = 0;
 592         affected_y = 0;
 593         affected_z = 0;
 594 }
 595
 596 void CWindowGUI::keyboard_zoomin()
 597 {
 598 //      if(mwindow->edl->session->cwindow_scrollbars)
 599 //      {
 600                 zoom_panel->zoom_tumbler->handle_up_event();
 601 //      }
 602 //      else
 603 //      {
 604 //      }
 605 }
 606
 607 void CWindowGUI::keyboard_zoomout()
 608 {
 609 //      if(mwindow->edl->session->cwindow_scrollbars)
 610 //      {
 611                 zoom_panel->zoom_tumbler->handle_down_event();
 612 //      }
 613 //      else
 614 //      {
 615 //      }
 616 }
 617
 618
 619 void CWindowGUI::drag_motion()
 620 {
 621         if(get_hidden()) return;
 622
 623         if(mwindow->session->current_operation != DRAG_ASSET &&
 624                 mwindow->session->current_operation != DRAG_VTRANSITION &&
 625                 mwindow->session->current_operation != DRAG_VEFFECT) return;
 626         int need_highlight = cursor_above() && get_cursor_over_window();
 627         if( highlighted == need_highlight ) return;
 628         highlighted = need_highlight;
 629         canvas->draw_refresh();
 630 }
 631
 632 int CWindowGUI::drag_stop()
 633 {
 634         int result = 0;
 635         if(get_hidden()) return 0;
 636         if( !highlighted ) return 0;
 637         if( mwindow->session->current_operation != DRAG_ASSET &&
 638             mwindow->session->current_operation != DRAG_VTRANSITION &&
 639             mwindow->session->current_operation != DRAG_VEFFECT) return 0;
 640         highlighted = 0;
 641         canvas->draw_refresh();
 642         result = 1;
 643
 644         if(mwindow->session->current_operation == DRAG_ASSET)
 645         {
 646                 if(mwindow->session->drag_assets->total ||
 647                         mwindow->session->drag_clips->total)
 648                 {
 649                         mwindow->gui->lock_window("CWindowGUI::drag_stop 5");
 650                         mwindow->undo->update_undo_before(_("insert assets"), 0);
 651                         mwindow->gui->unlock_window();
 652                 }
 653
 654                 if(mwindow->session->drag_assets->total)
 655                 {
 656                         mwindow->gui->lock_window("CWindowGUI::drag_stop 1");
 657                         mwindow->clear(0);
 658                         mwindow->load_assets(mwindow->session->drag_assets,
 659                                 mwindow->edl->local_session->get_selectionstart(),
 660                                 LOADMODE_PASTE,
 661                                 mwindow->session->track_highlighted,
 662                                 0,
 663                                 mwindow->edl->session->labels_follow_edits,
 664                                 mwindow->edl->session->plugins_follow_edits,
 665                                 mwindow->edl->session->autos_follow_edits,
 666                                 0); // overwrite
 667                 }
 668
 669                 if(mwindow->session->drag_clips->total)
 670                 {
 671                         mwindow->gui->lock_window("CWindowGUI::drag_stop 2");
 672                         mwindow->clear(0);
 673                         mwindow->paste_edls(mwindow->session->drag_clips,
 674                                 LOADMODE_PASTE,
 675                                 mwindow->session->track_highlighted,
 676                                 mwindow->edl->local_session->get_selectionstart(),
 677                                 mwindow->edl->session->labels_follow_edits,
 678                                 mwindow->edl->session->plugins_follow_edits,
 679                                 mwindow->edl->session->autos_follow_edits,
 680                                 0); // overwrite
 681                 }
 682
 683                 if(mwindow->session->drag_assets->total ||
 684                         mwindow->session->drag_clips->total)
 685                 {
 686                         mwindow->save_backup();
 687                         mwindow->restart_brender();
 688                         mwindow->gui->update(1, 1, 1, 1, 0, 1, 0);
 689                         mwindow->undo->update_undo_after(_("insert assets"), LOAD_ALL);
 690                         mwindow->gui->unlock_window();
 691                         mwindow->sync_parameters(LOAD_ALL);
 692                 }
 693         }
 694
 695         if(mwindow->session->current_operation == DRAG_VEFFECT)
 696         {
 697 //printf("CWindowGUI::drag_stop 1\n");
 698                 Track *affected_track = cwindow->calculate_affected_track();
 699 //printf("CWindowGUI::drag_stop 2\n");
 700
 701                 mwindow->gui->lock_window("CWindowGUI::drag_stop 3");
 702                 mwindow->insert_effects_cwindow(affected_track);
 703                 mwindow->session->current_operation = NO_OPERATION;
 704                 mwindow->gui->unlock_window();
 705         }
 706
 707         if(mwindow->session->current_operation == DRAG_VTRANSITION)
 708         {
 709                 Track *affected_track = cwindow->calculate_affected_track();
 710                 mwindow->gui->lock_window("CWindowGUI::drag_stop 4");
 711                 mwindow->paste_transition_cwindow(affected_track);
 712                 mwindow->session->current_operation = NO_OPERATION;
 713                 mwindow->gui->unlock_window();
 714         }
 715
 716         return result;
 717 }
 718
 719 void CWindowGUI::update_meters()
 720 {
 721         if(mwindow->edl->session->cwindow_meter != meters->visible)
 722         {
 723                 meters->set_meters(meters->meter_count, mwindow->edl->session->cwindow_meter);
 724                 mwindow->theme->get_cwindow_sizes(this, mwindow->session->cwindow_controls);
 725                 resize_event(get_w(), get_h());
 726         }
 727 }
 728
 729 void CWindowGUI::stop_transport(const char *lock_msg)
 730 {
 731         if( lock_msg ) unlock_window();
 732         mwindow->stop_transport();
 733         if( lock_msg ) lock_window(lock_msg);
 734 }
 735
 736
 737 CWindowEditing::CWindowEditing(MWindow *mwindow, CWindow *cwindow)
 738  : EditPanel(mwindow, cwindow->gui, CWINDOW_ID,
 739                 mwindow->theme->cedit_x, mwindow->theme->cedit_y,
 740                 mwindow->edl->session->editing_mode,
 741                 0, // use_editing_mode
 742                 1, // use_keyframe
 743                 0, // use_splice
 744                 0, // use_overwrite
 745                 1, // use_lift
 746                 1, // use_extract
 747                 1, // use_copy
 748                 1, // use_paste
 749                 1, // use_undo
 750                 0, // use_fit
 751                 0, // locklabels
 752                 1, // use_labels
 753                 1, // use_toclip
 754                 1, // use_meters
 755                 1, // use_cut
 756                 0, // use_commerical
 757                 0, // use_goto
 758                 1) // use_clk2play
 759 {
 760         this->mwindow = mwindow;
 761         this->cwindow = cwindow;
 762 }
 763
 764 #define CWrapper(fn) void CWindowEditing::fn() { \
 765         mwindow->gui->lock_window("CWrapper::" #fn); \
 766         EditPanel::fn(); \
 767         mwindow->gui->unlock_window(); \
 768 }
 769
 770 CWrapper(copy_selection)
 771 CWrapper(splice_selection)
 772 CWrapper(overwrite_selection)
 773 CWrapper(set_inpoint)
 774 CWrapper(set_outpoint)
 775 CWrapper(unset_inoutpoint)
 776 CWrapper(toggle_label)
 777
 778 #define CWrapper_cut(fn) void CWindowEditing::fn(int cut) { \
 779         mwindow->gui->lock_window("CWrapper::" #fn); \
 780         EditPanel::fn(cut); \
 781         mwindow->gui->unlock_window(); \
 782 }
 783 CWrapper_cut(prev_label)
 784 CWrapper_cut(next_label)
 785 CWrapper_cut(prev_edit)
 786 CWrapper_cut(next_edit)
 787
 788 void CWindowEditing::to_clip()
 789 {
 790         mwindow->to_clip(mwindow->edl, _("composer window: "), 0);
 791 }
 792
 793
 794 CWindowMeters::CWindowMeters(MWindow *mwindow,
 795         CWindowGUI *gui,
 796         int x,
 797         int y,
 798         int h)
 799  : MeterPanel(mwindow,
 800                 gui,
 801                 x,
 802                 y,
 803                 -1,
 804                 h,
 805                 mwindow->edl->session->audio_channels,
 806                 mwindow->edl->session->cwindow_meter,
 807                 0,
 808                 0)
 809 {
 810         this->mwindow = mwindow;
 811         this->gui = gui;
 812 }
 813
 814 CWindowMeters::~CWindowMeters()
 815 {
 816 }
 817
 818 int CWindowMeters::change_status_event(int new_status)
 819 {
 820         mwindow->edl->session->cwindow_meter = new_status;
 821         gui->update_meters();
 822         return 1;
 823 }
 824
 825
 826
 827
 828 CWindowZoom::CWindowZoom(MWindow *mwindow, CWindowGUI *gui, int x, int y, int w)
 829  : ZoomPanel(mwindow, gui, (double)mwindow->edl->session->cwindow_zoom,
 830         x, y, w, my_zoom_table, total_zooms, ZOOM_PERCENTAGE)
 831 {
 832         this->mwindow = mwindow;
 833         this->gui = gui;
 834 }
 835
 836 CWindowZoom::~CWindowZoom()
 837 {
 838 }
 839
 840 void CWindowZoom::update(double value)
 841 {
 842         char string[BCSTRLEN];
 843         const char *cp = string;
 844         if( value ) {
 845                 this->value = value;
 846                 int frac = value >= 1.0f ? 1 :
 847                            value >= 0.1f ? 2 :
 848                            value >= .01f ? 3 : 4;
 849                 sprintf(string, "x %.*f", frac, value);
 850         }
 851         else
 852                 cp = gui->auto_zoom;
 853         ZoomPanel::update(cp);
 854 }
 855
 856 int CWindowZoom::handle_event()
 857 {
 858         double value = !strcasecmp(gui->auto_zoom, get_text()) ? 0 : get_value();
 859         gui->zoom_canvas(value, 0);
 860         return 1;
 861 }
 862
 863
 864
 865 #ifdef USE_SLIDER
 866 CWindowSlider::CWindowSlider(MWindow *mwindow, CWindow *cwindow, int x, int y, int pixels)
 867  : BC_PercentageSlider(x,
 868                         y,
 869                         0,
 870                         pixels,
 871                         pixels,
 872                         0,
 873                         1,
 874                         0)
 875 {
 876         this->mwindow = mwindow;
 877         this->cwindow = cwindow;
 878         set_precision(0.00001);
 879 }
 880
 881 CWindowSlider::~CWindowSlider()
 882 {
 883 }
 884
 885 int CWindowSlider::handle_event()
 886 {
 887         cwindow->update_position((double)get_value());
 888         return 1;
 889 }
 890
 891 void CWindowSlider::set_position()
 892 {
 893         double new_length = mwindow->edl->tracks->total_length();
 894         update(mwindow->theme->cslider_w,
 895                 mwindow->edl->local_session->get_selectionstart(1),
 896                 0, new_length);
 897 }
 898
 899
 900 int CWindowSlider::increase_value()
 901 {
 902         unlock_window();
 903         cwindow->gui->transport->handle_transport(SINGLE_FRAME_FWD);
 904         lock_window("CWindowSlider::increase_value");
 905         return 1;
 906 }
 907
 908 int CWindowSlider::decrease_value()
 909 {
 910         unlock_window();
 911         cwindow->gui->transport->handle_transport(SINGLE_FRAME_REWIND);
 912         lock_window("CWindowSlider::decrease_value");
 913         return 1;
 914 }
 915
 916
 917 // CWindowDestination::CWindowDestination(MWindow *mwindow, CWindowGUI *cwindow, int x, int y)
 918 //  : BC_PopupTextBox(cwindow,
 919 //      &cwindow->destinations,
 920 //      cwindow->destinations.values[cwindow->cwindow->destination]->get_text(),
 921 //      x,
 922 //      y,
 923 //      70,
 924 //      200)
 925 // {
 926 //      this->mwindow = mwindow;
 927 //      this->cwindow = cwindow;
 928 // }
 929 //
 930 // CWindowDestination::~CWindowDestination()
 931 // {
 932 // }
 933 //
 934 // int CWindowDestination::handle_event()
 935 // {
 936 //      return 1;
 937 // }
 938 #endif // USE_SLIDER
 939
 940
 941
 942
 943
 944
 945 CWindowTransport::CWindowTransport(MWindow *mwindow,
 946         CWindowGUI *gui,
 947         int x,
 948         int y)
 949  : PlayTransport(mwindow,
 950         gui,
 951         x,
 952         y)
 953 {
 954         this->gui = gui;
 955 }
 956
 957 EDL* CWindowTransport::get_edl()
 958 {
 959         return mwindow->edl;
 960 }
 961
 962 void CWindowTransport::goto_start()
 963 {
 964         gui->unlock_window();
 965         handle_transport(REWIND, 1);
 966
 967         mwindow->gui->lock_window("CWindowTransport::goto_start 1");
 968         mwindow->goto_start();
 969         mwindow->gui->unlock_window();
 970
 971         gui->lock_window("CWindowTransport::goto_start 2");
 972 }
 973
 974 void CWindowTransport::goto_end()
 975 {
 976         gui->unlock_window();
 977         handle_transport(GOTO_END, 1);
 978
 979         mwindow->gui->lock_window("CWindowTransport::goto_end 1");
 980         mwindow->goto_end();
 981         mwindow->gui->unlock_window();
 982
 983         gui->lock_window("CWindowTransport::goto_end 2");
 984 }
 985
 986
 987
 988 CWindowCanvas::CWindowCanvas(MWindow *mwindow, CWindowGUI *gui)
 989  : Canvas(mwindow,
 990         gui,
 991         mwindow->theme->ccanvas_x,
 992         mwindow->theme->ccanvas_y,
 993         mwindow->theme->ccanvas_w,
 994         mwindow->theme->ccanvas_h,
 995         0,
 996         0,
 997         mwindow->edl->session->cwindow_scrollbars)
 998 {
 999         this->mwindow = mwindow;
1000         this->gui = gui;
1001 }
1002
1003 void CWindowCanvas::status_event()
1004 {
1005         gui->draw_status(1);
1006 }
1007
1008 int CWindowCanvas::get_fullscreen()
1009 {
1010         return mwindow->session->cwindow_fullscreen;
1011 }
1012
1013 void CWindowCanvas::set_fullscreen(int value)
1014 {
1015         mwindow->session->cwindow_fullscreen = value;
1016 }
1017
1018
1019 void CWindowCanvas::update_zoom(int x, int y, float zoom)
1020 {
1021         use_scrollbars = mwindow->edl->session->cwindow_scrollbars;
1022
1023         mwindow->edl->session->cwindow_xscroll = x;
1024         mwindow->edl->session->cwindow_yscroll = y;
1025         mwindow->edl->session->cwindow_zoom = zoom;
1026 }
1027
1028 void CWindowCanvas::zoom_auto()
1029 {
1030         gui->zoom_canvas(0, 1);
1031 }
1032
1033 int CWindowCanvas::get_xscroll()
1034 {
1035         return mwindow->edl->session->cwindow_xscroll;
1036 }
1037
1038 int CWindowCanvas::get_yscroll()
1039 {
1040         return mwindow->edl->session->cwindow_yscroll;
1041 }
1042
1043
1044 float CWindowCanvas::get_zoom()
1045 {
1046         return mwindow->edl->session->cwindow_zoom;
1047 }
1048
1049 void CWindowCanvas::draw_refresh(int flush)
1050 {
1051         if(get_canvas() && !get_canvas()->get_video_on())
1052         {
1053
1054                 if(refresh_frame && refresh_frame->get_w()>0 && refresh_frame->get_h()>0)
1055                 {
1056                         float in_x1, in_y1, in_x2, in_y2;
1057                         float out_x1, out_y1, out_x2, out_y2;
1058                         get_transfers(mwindow->edl,
1059                                 in_x1,
1060                                 in_y1,
1061                                 in_x2,
1062                                 in_y2,
1063                                 out_x1,
1064                                 out_y1,
1065                                 out_x2,
1066                                 out_y2);
1067
1068                         if(!EQUIV(out_x1, 0) ||
1069                                 !EQUIV(out_y1, 0) ||
1070                                 !EQUIV(out_x2, get_canvas()->get_w()) ||
1071                                 !EQUIV(out_y2, get_canvas()->get_h()))
1072                         {
1073                                 get_canvas()->clear_box(0,
1074                                         0,
1075                                         get_canvas()->get_w(),
1076                                         get_canvas()->get_h());
1077                         }
1078
1079 //printf("CWindowCanvas::draw_refresh %.2f %.2f %.2f %.2f -> %.2f %.2f %.2f %.2f\n",
1080 //in_x1, in_y1, in_x2, in_y2, out_x1, out_y1, out_x2, out_y2);
1081
1082
1083                         if(out_x2 > out_x1 &&
1084                                 out_y2 > out_y1 &&
1085                                 in_x2 > in_x1 &&
1086                                 in_y2 > in_y1)
1087                         {
1088 // Can't use OpenGL here because it is called asynchronously of the
1089 // playback operation.
1090                                 get_canvas()->draw_vframe(refresh_frame,
1091                                                 (int)out_x1,
1092                                                 (int)out_y1,
1093                                                 (int)(out_x2 - out_x1),
1094                                                 (int)(out_y2 - out_y1),
1095                                                 (int)in_x1,
1096                                                 (int)in_y1,
1097                                                 (int)(in_x2 - in_x1),
1098                                                 (int)(in_y2 - in_y1),
1099                                                 0);
1100                         }
1101                 }
1102                 else
1103                 {
1104                         get_canvas()->clear_box(0,
1105                                 0,
1106                                 get_canvas()->get_w(),
1107                                 get_canvas()->get_h());
1108                 }
1109
1110                 draw_overlays();
1111 // allow last opengl write to complete before redraw
1112 // tried sync_display, glFlush, glxMake*Current(0..)
1113 usleep(20000);
1114                 get_canvas()->flash(flush);
1115         }
1116 //printf("CWindowCanvas::draw_refresh 10\n");
1117 }
1118
1119 #define CROPHANDLE_W 10
1120 #define CROPHANDLE_H 10
1121
1122 void CWindowCanvas::draw_crophandle(int x, int y)
1123 {
1124         get_canvas()->draw_box(x, y, CROPHANDLE_W, CROPHANDLE_H);
1125 }
1126
1127
1128
1129
1130
1131
1132 #define CONTROL_W 10
1133 #define CONTROL_H 10
1134 #define FIRST_CONTROL_W 20
1135 #define FIRST_CONTROL_H 20
1136 #undef BC_INFINITY
1137 #define BC_INFINITY 65536
1138
1139 #define RULERHANDLE_W 16
1140 #define RULERHANDLE_H 16
1141
1142
1143
1144 int CWindowCanvas::do_ruler(int draw,
1145         int motion,
1146         int button_press,
1147         int button_release)
1148 {
1149         int result = 0;
1150         float x1 = mwindow->edl->session->ruler_x1;
1151         float y1 = mwindow->edl->session->ruler_y1;
1152         float x2 = mwindow->edl->session->ruler_x2;
1153         float y2 = mwindow->edl->session->ruler_y2;
1154         float canvas_x1 = x1;
1155         float canvas_y1 = y1;
1156         float canvas_x2 = x2;
1157         float canvas_y2 = y2;
1158         float output_x = get_cursor_x();
1159         float output_y = get_cursor_y();
1160         float canvas_cursor_x = output_x;
1161         float canvas_cursor_y = output_y;
1162
1163         canvas_to_output(mwindow->edl, 0, output_x, output_y);
1164         output_to_canvas(mwindow->edl, 0, canvas_x1, canvas_y1);
1165         output_to_canvas(mwindow->edl, 0, canvas_x2, canvas_y2);
1166         mwindow->session->cwindow_output_x = roundf(output_x);
1167         mwindow->session->cwindow_output_y = roundf(output_y);
1168
1169         if(button_press && get_buttonpress() == 1)
1170         {
1171                 gui->ruler_handle = -1;
1172                 gui->ruler_translate = 0;
1173                 if(gui->alt_down())
1174                 {
1175                         gui->ruler_translate = 1;
1176                         gui->ruler_origin_x = x1;
1177                         gui->ruler_origin_y = y1;
1178                 }
1179                 else
1180                 if(canvas_cursor_x >= canvas_x1 - RULERHANDLE_W / 2 &&
1181                         canvas_cursor_x < canvas_x1 + RULERHANDLE_W / 2 &&
1182                         canvas_cursor_y >= canvas_y1 - RULERHANDLE_W &&
1183                         canvas_cursor_y < canvas_y1 + RULERHANDLE_H / 2)
1184                 {
1185                         gui->ruler_handle = 0;
1186                         gui->ruler_origin_x = x1;
1187                         gui->ruler_origin_y = y1;
1188                 }
1189                 else
1190                 if(canvas_cursor_x >= canvas_x2 - RULERHANDLE_W / 2 &&
1191                         canvas_cursor_x < canvas_x2 + RULERHANDLE_W / 2 &&
1192                         canvas_cursor_y >= canvas_y2 - RULERHANDLE_W &&
1193                         canvas_cursor_y < canvas_y2 + RULERHANDLE_H / 2)
1194                 {
1195                         gui->ruler_handle = 1;
1196                         gui->ruler_origin_x = x2;
1197                         gui->ruler_origin_y = y2;
1198                 }
1199
1200
1201 // Start new selection
1202                 if(!gui->ruler_translate &&
1203                         (gui->ruler_handle < 0 ||
1204                         (EQUIV(x2, x1) &&
1205                         EQUIV(y2, y1))))
1206                 {
1207 // Hide previous
1208                         do_ruler(1, 0, 0, 0);
1209                         get_canvas()->flash();
1210                         gui->ruler_handle = 1;
1211                         mwindow->edl->session->ruler_x1 = output_x;
1212                         mwindow->edl->session->ruler_y1 = output_y;
1213                         mwindow->edl->session->ruler_x2 = output_x;
1214                         mwindow->edl->session->ruler_y2 = output_y;
1215                         gui->ruler_origin_x = mwindow->edl->session->ruler_x2;
1216                         gui->ruler_origin_y = mwindow->edl->session->ruler_y2;
1217                 }
1218
1219                 gui->x_origin = output_x;
1220                 gui->y_origin = output_y;
1221                 gui->current_operation = CWINDOW_RULER;
1222                 gui->tool_panel->raise_window();
1223                 result = 1;
1224         }
1225
1226         if(motion)
1227         {
1228                 if(gui->current_operation == CWINDOW_RULER)
1229                 {
1230                         if(gui->ruler_translate)
1231                         {
1232 // Hide ruler
1233                                 do_ruler(1, 0, 0, 0);
1234                                 float x_difference = mwindow->edl->session->ruler_x1;
1235                                 float y_difference = mwindow->edl->session->ruler_y1;
1236                                 mwindow->edl->session->ruler_x1 = output_x - gui->x_origin + gui->ruler_origin_x;
1237                                 mwindow->edl->session->ruler_y1 = output_y - gui->y_origin + gui->ruler_origin_y;
1238                                 x_difference -= mwindow->edl->session->ruler_x1;
1239                                 y_difference -= mwindow->edl->session->ruler_y1;
1240                                 mwindow->edl->session->ruler_x2 -= x_difference;
1241                                 mwindow->edl->session->ruler_y2 -= y_difference;
1242 // Show ruler
1243                                 do_ruler(1, 0, 0, 0);
1244                                 get_canvas()->flash();
1245                                 gui->update_tool();
1246                         }
1247                         else
1248                         switch(gui->ruler_handle)
1249                         {
1250                                 case 0:
1251                                         do_ruler(1, 0, 0, 0);
1252                                         mwindow->edl->session->ruler_x1 = output_x - gui->x_origin + gui->ruler_origin_x;
1253                                         mwindow->edl->session->ruler_y1 = output_y - gui->y_origin + gui->ruler_origin_y;
1254                                         if(gui->alt_down() || gui->ctrl_down())
1255                                         {
1256                                                 double angle_value = fabs(atan((mwindow->edl->session->ruler_y2 - mwindow->edl->session->ruler_y1) /
1257                                                         (mwindow->edl->session->ruler_x2 - mwindow->edl->session->ruler_x1)) *
1258                                                         360 /
1259                                                         2 /
1260                                                         M_PI);
1261                                                 double distance_value =
1262                                                         sqrt(SQR(mwindow->edl->session->ruler_x2 - mwindow->edl->session->ruler_x1) +
1263                                                         SQR(mwindow->edl->session->ruler_y2 - mwindow->edl->session->ruler_y1));
1264                                                 if(angle_value < 22)
1265                                                         mwindow->edl->session->ruler_y1 = mwindow->edl->session->ruler_y2;
1266                                                 else
1267                                                 if(angle_value > 67)
1268                                                         mwindow->edl->session->ruler_x1 = mwindow->edl->session->ruler_x2;
1269                                                 else
1270                                                 if(mwindow->edl->session->ruler_x1 < mwindow->edl->session->ruler_x2 &&
1271                                                         mwindow->edl->session->ruler_y1 < mwindow->edl->session->ruler_y2)
1272                                                 {
1273                                                         mwindow->edl->session->ruler_x1 = mwindow->edl->session->ruler_x2 - distance_value / 1.414214;
1274                                                         mwindow->edl->session->ruler_y1 = mwindow->edl->session->ruler_y2 - distance_value / 1.414214;
1275                                                 }
1276                                                 else
1277                                                 if(mwindow->edl->session->ruler_x1 < mwindow->edl->session->ruler_x2 && mwindow->edl->session->ruler_y1 > mwindow->edl->session->ruler_y2)
1278                                                 {
1279                                                         mwindow->edl->session->ruler_x1 = mwindow->edl->session->ruler_x2 - distance_value / 1.414214;
1280                                                         mwindow->edl->session->ruler_y1 = mwindow->edl->session->ruler_y2 + distance_value / 1.414214;
1281                                                 }
1282                                                 else
1283                                                 if(mwindow->edl->session->ruler_x1 > mwindow->edl->session->ruler_x2 &&
1284                                                         mwindow->edl->session->ruler_y1 < mwindow->edl->session->ruler_y2)
1285                                                 {
1286                                                         mwindow->edl->session->ruler_x1 = mwindow->edl->session->ruler_x2 + distance_value / 1.414214;
1287                                                         mwindow->edl->session->ruler_y1 = mwindow->edl->session->ruler_y2 - distance_value / 1.414214;
1288                                                 }
1289                                                 else
1290                                                 {
1291                                                         mwindow->edl->session->ruler_x1 = mwindow->edl->session->ruler_x2 + distance_value / 1.414214;
1292                                                         mwindow->edl->session->ruler_y1 = mwindow->edl->session->ruler_y2 + distance_value / 1.414214;
1293                                                 }
1294                                         }
1295                                         do_ruler(1, 0, 0, 0);
1296                                         get_canvas()->flash();
1297                                         gui->update_tool();
1298                                         break;
1299
1300                                 case 1:
1301                                         do_ruler(1, 0, 0, 0);
1302                                         mwindow->edl->session->ruler_x2 = output_x - gui->x_origin + gui->ruler_origin_x;
1303                                         mwindow->edl->session->ruler_y2 = output_y - gui->y_origin + gui->ruler_origin_y;
1304                                         if(gui->alt_down() || gui->ctrl_down())
1305                                         {
1306                                                 double angle_value = fabs(atan((mwindow->edl->session->ruler_y2 - mwindow->edl->session->ruler_y1) /
1307                                                         (mwindow->edl->session->ruler_x2 - mwindow->edl->session->ruler_x1)) *
1308                                                         360 /
1309                                                         2 /
1310                                                         M_PI);
1311                                                 double distance_value =
1312                                                         sqrt(SQR(mwindow->edl->session->ruler_x2 - mwindow->edl->session->ruler_x1) +
1313                                                         SQR(mwindow->edl->session->ruler_y2 - mwindow->edl->session->ruler_y1));
1314                                                 if(angle_value < 22)
1315                                                         mwindow->edl->session->ruler_y2 = mwindow->edl->session->ruler_y1;
1316                                                 else
1317                                                 if(angle_value > 67)
1318                                                         mwindow->edl->session->ruler_x2 = mwindow->edl->session->ruler_x1;
1319                                                 else
1320                                                 if(mwindow->edl->session->ruler_x2 < mwindow->edl->session->ruler_x1 &&
1321                                                         mwindow->edl->session->ruler_y2 < mwindow->edl->session->ruler_y1)
1322                                                 {
1323                                                         mwindow->edl->session->ruler_x2 = mwindow->edl->session->ruler_x1 - distance_value / 1.414214;
1324                                                         mwindow->edl->session->ruler_y2 = mwindow->edl->session->ruler_y1 - distance_value / 1.414214;
1325                                                 }
1326                                                 else
1327                                                 if(mwindow->edl->session->ruler_x2 < mwindow->edl->session->ruler_x1 &&
1328                                                         mwindow->edl->session->ruler_y2 > mwindow->edl->session->ruler_y1)
1329                                                 {
1330                                                         mwindow->edl->session->ruler_x2 = mwindow->edl->session->ruler_x1 - distance_value / 1.414214;
1331                                                         mwindow->edl->session->ruler_y2 = mwindow->edl->session->ruler_y1 + distance_value / 1.414214;
1332                                                 }
1333                                                 else
1334                                                 if(mwindow->edl->session->ruler_x2 > mwindow->edl->session->ruler_x1 && mwindow->edl->session->ruler_y2 < mwindow->edl->session->ruler_y1)
1335                                                 {
1336                                                         mwindow->edl->session->ruler_x2 = mwindow->edl->session->ruler_x1 + distance_value / 1.414214;
1337                                                         mwindow->edl->session->ruler_y2 = mwindow->edl->session->ruler_y1 - distance_value / 1.414214;
1338                                                 }
1339                                                 else
1340                                                 {
1341                                                         mwindow->edl->session->ruler_x2 = mwindow->edl->session->ruler_x1 + distance_value / 1.414214;
1342                                                         mwindow->edl->session->ruler_y2 = mwindow->edl->session->ruler_y1 + distance_value / 1.414214;
1343                                                 }
1344                                         }
1345                                         do_ruler(1, 0, 0, 0);
1346                                         get_canvas()->flash();
1347                                         gui->update_tool();
1348                                         break;
1349                         }
1350 //printf("CWindowCanvas::do_ruler 2 %f %f %f %f\n", gui->ruler_x1, gui->ruler_y1, gui->ruler_x2, gui->ruler_y2);
1351                 }
1352                 else
1353                 {
1354 // printf("CWindowCanvas::do_ruler 2 %f %f %f %f\n",
1355 // canvas_cursor_x,
1356 // canvas_cursor_y,
1357 // canvas_x1,
1358 // canvas_y1);
1359                         if(canvas_cursor_x >= canvas_x1 - RULERHANDLE_W / 2 &&
1360                                 canvas_cursor_x < canvas_x1 + RULERHANDLE_W / 2 &&
1361                                 canvas_cursor_y >= canvas_y1 - RULERHANDLE_W &&
1362                                 canvas_cursor_y < canvas_y1 + RULERHANDLE_H / 2)
1363                         {
1364                                 set_cursor(UPRIGHT_ARROW_CURSOR);
1365                         }
1366                         else
1367                         if(canvas_cursor_x >= canvas_x2 - RULERHANDLE_W / 2 &&
1368                                 canvas_cursor_x < canvas_x2 + RULERHANDLE_W / 2 &&
1369                                 canvas_cursor_y >= canvas_y2 - RULERHANDLE_W &&
1370                                 canvas_cursor_y < canvas_y2 + RULERHANDLE_H / 2)
1371                         {
1372                                 set_cursor(UPRIGHT_ARROW_CURSOR);
1373                         }
1374                         else
1375                                 set_cursor(CROSS_CURSOR);
1376
1377 // Update current position
1378                         gui->update_tool();
1379                 }
1380         }
1381
1382 // Assume no ruler measurement if 0 length
1383         if(draw && (!EQUIV(x2, x1) || !EQUIV(y2, y1)))
1384         {
1385                 get_canvas()->set_inverse();
1386                 get_canvas()->set_color(WHITE);
1387                 get_canvas()->draw_line((int)canvas_x1,
1388                         (int)canvas_y1,
1389                         (int)canvas_x2,
1390                         (int)canvas_y2);
1391                 get_canvas()->draw_line(roundf(canvas_x1) - RULERHANDLE_W / 2,
1392                         roundf(canvas_y1),
1393                         roundf(canvas_x1) + RULERHANDLE_W / 2,
1394                         roundf(canvas_y1));
1395                 get_canvas()->draw_line(roundf(canvas_x1),
1396                         roundf(canvas_y1) - RULERHANDLE_H / 2,
1397                         roundf(canvas_x1),
1398                         roundf(canvas_y1) + RULERHANDLE_H / 2);
1399                 get_canvas()->draw_line(roundf(canvas_x2) - RULERHANDLE_W / 2,
1400                         roundf(canvas_y2),
1401                         roundf(canvas_x2) + RULERHANDLE_W / 2,
1402                         roundf(canvas_y2));
1403                 get_canvas()->draw_line(roundf(canvas_x2),
1404                         roundf(canvas_y2) - RULERHANDLE_H / 2,
1405                         roundf(canvas_x2),
1406                         roundf(canvas_y2) + RULERHANDLE_H / 2);
1407                 get_canvas()->set_opaque();
1408         }
1409
1410         return result;
1411 }
1412
1413
1414 static inline double line_dist(float cx,float cy, float tx,float ty)
1415 {
1416         double dx = tx-cx, dy = ty-cy;
1417         return sqrt(dx*dx + dy*dy);
1418 }
1419
1420 static inline bool test_bbox(int cx, int cy, int tx, int ty)
1421 {
1422 //      printf("test_bbox %d,%d - %d,%d = %f\n",cx,cy,tx,ty,line_dist(cx,cy,tx,ty));
1423         return (llabs(cx-tx) < CONTROL_W/2 && llabs(cy-ty) < CONTROL_H/2);
1424 }
1425
1426
1427 int CWindowCanvas::do_mask(int &redraw, int &rerender,
1428                 int button_press, int cursor_motion, int draw)
1429 {
1430 // Retrieve points from top recordable track
1431 //printf("CWindowCanvas::do_mask 1\n");
1432         Track *track = gui->cwindow->calculate_affected_track();
1433 //printf("CWindowCanvas::do_mask 2\n");
1434
1435         if(!track) return 0;
1436 //printf("CWindowCanvas::do_mask 3\n");
1437
1438         MaskAutos *mask_autos = (MaskAutos*)track->automation->autos[AUTOMATION_MASK];
1439         int64_t position = track->to_units(
1440                 mwindow->edl->local_session->get_selectionstart(1),
1441                 0);
1442         ArrayList<MaskPoint*> points;
1443
1444 // Determine the points based on whether
1445 // new keyframes will be generated or drawing is performed.
1446 // If keyframe generation occurs, use the interpolated mask.
1447 // If no keyframe generation occurs, use the previous mask.
1448         int use_interpolated = 0;
1449         if(button_press || cursor_motion) {
1450 #ifdef USE_KEYFRAME_SPANNING
1451                 double selection_start = mwindow->edl->local_session->get_selectionstart(0);
1452                 double selection_end = mwindow->edl->local_session->get_selectionend(0);
1453
1454                 Auto *first = 0;
1455                 mask_autos->get_prev_auto(track->to_units(selection_start, 0),
1456                         PLAY_FORWARD, first, 1);
1457                 Auto *last = 0;
1458                 mask_autos->get_prev_auto(track->to_units(selection_end, 0),
1459                         PLAY_FORWARD, last, 1);
1460
1461                 if(last == first && (!mwindow->edl->session->auto_keyframes))
1462                         use_interpolated = 0;
1463                 else
1464 // If keyframe spanning occurs, use the interpolated points.
1465 // If new keyframe is generated, use the interpolated points.
1466                         use_interpolated = 1;
1467
1468 #else
1469                 if(mwindow->edl->session->auto_keyframes)
1470                         use_interpolated = 1;
1471 #endif
1472         }
1473         else
1474                 use_interpolated = 1;
1475
1476         if(use_interpolated) {
1477 // Interpolate the points to get exactly what is being rendered at this position.
1478                 mask_autos->get_points(&points,
1479                         mwindow->edl->session->cwindow_mask,
1480                         position,
1481                         PLAY_FORWARD);
1482         }
1483         else {
1484 // Use the prev mask
1485                 Auto *prev = 0;
1486                 mask_autos->get_prev_auto(position,
1487                         PLAY_FORWARD,
1488                         prev,
1489                         1);
1490                 ((MaskAuto*)prev)->get_points(&points,
1491                         mwindow->edl->session->cwindow_mask);
1492         }
1493
1494 // Projector zooms relative to the center of the track output.
1495         float half_track_w = (float)track->track_w / 2;
1496         float half_track_h = (float)track->track_h / 2;
1497 // Translate mask to projection
1498         float projector_x, projector_y, projector_z;
1499         track->automation->get_projector(
1500                 &projector_x, &projector_y, &projector_z,
1501                 position, PLAY_FORWARD);
1502
1503
1504 // Get position of cursor relative to mask
1505         float cursor_x = get_cursor_x(), cursor_y = get_cursor_y();
1506         float mask_cursor_x = cursor_x, mask_cursor_y = cursor_y;
1507         canvas_to_output(mwindow->edl, 0, mask_cursor_x, mask_cursor_y);
1508
1509         projector_x += mwindow->edl->session->output_w / 2;
1510         projector_y += mwindow->edl->session->output_h / 2;
1511         mask_cursor_x = (mask_cursor_x - projector_x) / projector_z + half_track_w;
1512         mask_cursor_y = (mask_cursor_y - projector_y) / projector_z + half_track_h;
1513
1514 // Fix cursor origin
1515         if(button_press) {
1516                 gui->x_origin = mask_cursor_x;
1517                 gui->y_origin = mask_cursor_y;
1518         }
1519
1520         int result = 0;
1521 // Points of closest line
1522         int shortest_point1 = -1;
1523         int shortest_point2 = -1;
1524 // Closest point
1525         int shortest_point = -1;
1526 // Distance to closest line
1527         float shortest_line_distance = BC_INFINITY;
1528 // Distance to closest point
1529         float shortest_point_distance = BC_INFINITY;
1530         int selected_point = -1;
1531         int selected_control_point = -1;
1532         float selected_control_point_distance = BC_INFINITY;
1533         ArrayList<int> x_points;
1534         ArrayList<int> y_points;
1535
1536         if(!cursor_motion) {
1537                 if(draw) {
1538                         get_canvas()->set_color(WHITE);
1539                         get_canvas()->set_inverse();
1540                 }
1541 //printf("CWindowCanvas::do_mask 1 %d\n", points.size());
1542
1543 // Never draw closed polygon and a closed
1544 // polygon is harder to add points to.
1545                 for(int i = 0; i < points.size() && !result; i++) {
1546                         MaskPoint *point1 = points.get(i);
1547                         MaskPoint *point2 = (i >= points.size() - 1) ?
1548                                 points.get(0) : points.get(i + 1);
1549                         if(button_press) {
1550                                 float point_distance1 = line_dist(point1->x,point1->y, mask_cursor_x,mask_cursor_y);
1551                                 if(point_distance1 < shortest_point_distance || shortest_point < 0) {
1552                                         shortest_point_distance = point_distance1;
1553                                         shortest_point = i;
1554                                 }
1555
1556                                 float point_distance2 = line_dist(point2->x,point2->y, mask_cursor_x,mask_cursor_y);
1557                                 if(point_distance2 < shortest_point_distance || shortest_point < 0) {
1558                                         shortest_point_distance = point_distance2;
1559                                         shortest_point = (i >= points.size() - 1) ? 0 : (i + 1);
1560                                 }
1561                         }
1562
1563                         int segments = 1 + line_dist(point1->x,point1->y, point2->x,point2->y);
1564
1565 //printf("CWindowCanvas::do_mask 1 %f, %f -> %f, %f projectorz=%f\n",
1566 //point1->x, point1->y, point2->x, point2->y, projector_z);
1567                         for(int j = 0; j <= segments && !result; j++) {
1568 //printf("CWindowCanvas::do_mask 1 %f, %f -> %f, %f\n", x0, y0, x3, y3);
1569                                 float x0 = point1->x, y0 = point1->y;
1570                                 float x1 = point1->x + point1->control_x2;
1571                                 float y1 = point1->y + point1->control_y2;
1572                                 float x2 = point2->x + point2->control_x1;
1573                                 float y2 = point2->y + point2->control_y1;
1574                                 float x3 = point2->x, y3 = point2->y;
1575                                 float canvas_x0 = (x0 - half_track_w) * projector_z + projector_x;
1576                                 float canvas_y0 = (y0 - half_track_h) * projector_z + projector_y;
1577                                 float canvas_x1 = (x1 - half_track_w) * projector_z + projector_x;
1578                                 float canvas_y1 = (y1 - half_track_h) * projector_z + projector_y;
1579                                 float canvas_x2 = (x2 - half_track_w) * projector_z + projector_x;
1580                                 float canvas_y2 = (y2 - half_track_h) * projector_z + projector_y;
1581                                 float canvas_x3 = (x3 - half_track_w) * projector_z + projector_x;
1582                                 float canvas_y3 = (y3 - half_track_h) * projector_z + projector_y;
1583
1584                                 float t = (float)j / segments;
1585                                 float tpow2 = t * t;
1586                                 float tpow3 = t * t * t;
1587                                 float invt = 1 - t;
1588                                 float invtpow2 = invt * invt;
1589                                 float invtpow3 = invt * invt * invt;
1590
1591                                 float x = (           invtpow3 * x0
1592                                         + 3 * t     * invtpow2 * x1
1593                                         + 3 * tpow2 * invt     * x2
1594                                         +     tpow3            * x3);
1595                                 float y = (           invtpow3 * y0
1596                                         + 3 * t     * invtpow2 * y1
1597                                         + 3 * tpow2 * invt     * y2
1598                                         +     tpow3            * y3);
1599                                 float canvas_x = (x - half_track_w) * projector_z + projector_x;
1600                                 float canvas_y = (y - half_track_h) * projector_z + projector_y;
1601 // Test new point addition
1602                                 if(button_press) {
1603                                         float line_distance = line_dist(x,y, mask_cursor_x,mask_cursor_y);
1604
1605 //printf("CWindowCanvas::do_mask 1 x=%f cursor_x=%f y=%f cursor_y=%f %f %f %d, %d\n",
1606 //  x, cursor_x, y, cursor_y, line_distance, shortest_line_distance, shortest_point1, shortest_point2);
1607                                         if(line_distance < shortest_line_distance ||
1608                                                 shortest_point1 < 0) {
1609                                                 shortest_line_distance = line_distance;
1610                                                 shortest_point1 = i;
1611                                                 shortest_point2 = (i >= points.size() - 1) ? 0 : (i + 1);
1612 //printf("CWindowCanvas::do_mask 2 %f %f %d, %d\n",
1613 //  line_distance, shortest_line_distance, shortest_point1, shortest_point2);
1614                                         }
1615
1616 // Test existing point selection
1617 // Test first point
1618                                         if(gui->ctrl_down()) {
1619                                                 float distance = line_dist(x1,y1, mask_cursor_x,mask_cursor_y);
1620
1621                                                 if(distance < selected_control_point_distance) {
1622                                                         selected_point = i;
1623                                                         selected_control_point = 1;
1624                                                         selected_control_point_distance = distance;
1625                                                 }
1626                                         }
1627                                         else {
1628                                                 if(!gui->shift_down()) {
1629                                                         output_to_canvas(mwindow->edl, 0, canvas_x0, canvas_y0);
1630                                                         if(test_bbox(cursor_x, cursor_y, canvas_x0, canvas_y0)) {
1631                                                                 selected_point = i;
1632                                                         }
1633                                                 }
1634                                                 else {
1635                                                         selected_point = shortest_point;
1636                                                 }
1637                                         }
1638 // Test second point
1639                                         if(gui->ctrl_down()) {
1640                                                 float distance = line_dist(x2,y2, mask_cursor_x,mask_cursor_y);
1641
1642 //printf("CWindowCanvas::do_mask %d %f %f\n", i, distance, selected_control_point_distance);
1643                                                 if(distance < selected_control_point_distance) {
1644                                                         selected_point = (i < points.size() - 1 ? i + 1 : 0);
1645                                                         selected_control_point = 0;
1646                                                         selected_control_point_distance = distance;
1647                                                 }
1648                                         }
1649                                         else if(i < points.size() - 1) {
1650                                                 if(!gui->shift_down()) {
1651                                                         output_to_canvas(mwindow->edl, 0, canvas_x3, canvas_y3);
1652                                                         if(test_bbox(cursor_x, cursor_y, canvas_x3, canvas_y3)) {
1653                                                                 selected_point = (i < points.size() - 1 ? i + 1 : 0);
1654                                                         }
1655                                                 }
1656                                                 else {
1657                                                         selected_point = shortest_point;
1658                                                 }
1659                                         }
1660                                 }
1661
1662                                 output_to_canvas(mwindow->edl, 0, canvas_x, canvas_y);
1663
1664                                 if(j > 0) {
1665
1666                                         if(draw) { // Draw joining line
1667                                                 x_points.append((int)canvas_x);
1668                                                 y_points.append((int)canvas_y);
1669                                         }
1670
1671                                         if(j == segments) {
1672                                                 if(draw) { // Draw second anchor
1673                                                         if(i < points.size() - 1) {
1674                                                                 if(i == gui->affected_point - 1)
1675                                                                         get_canvas()->draw_disc(
1676                                                                                 (int)canvas_x - CONTROL_W / 2,
1677                                                                                 (int)canvas_y - CONTROL_W / 2,
1678                                                                                 CONTROL_W, CONTROL_H);
1679                                                                 else
1680                                                                         get_canvas()->draw_circle(
1681                                                                                 (int)canvas_x - CONTROL_W / 2,
1682                                                                                 (int)canvas_y - CONTROL_W / 2,
1683                                                                                 CONTROL_W, CONTROL_H);
1684 // char string[BCTEXTLEN];
1685 // sprintf(string, "%d", (i < points.size() - 1 ? i + 1 : 0));
1686 // canvas->draw_text((int)canvas_x + CONTROL_W, (int)canvas_y + CONTROL_W, string);
1687                                                         }
1688 // Draw second control point.
1689                                                         output_to_canvas(mwindow->edl, 0, canvas_x2, canvas_y2);
1690                                                         get_canvas()->draw_line(
1691                                                                 (int)canvas_x, (int)canvas_y,
1692                                                                 (int)canvas_x2, (int)canvas_y2);
1693                                                         get_canvas()->draw_rectangle(
1694                                                                 (int)canvas_x2 - CONTROL_W / 2,
1695                                                                 (int)canvas_y2 - CONTROL_H / 2,
1696                                                                 CONTROL_W, CONTROL_H);
1697                                                 }
1698                                         }
1699                                 }
1700                                 else {
1701 // Draw first anchor
1702                                         if(i == 0 && draw) {
1703                                                 char mask_label[BCSTRLEN];
1704                                                 sprintf(mask_label, "%d",
1705                                                         mwindow->edl->session->cwindow_mask);
1706                                                 get_canvas()->draw_text(
1707                                                         (int)canvas_x - FIRST_CONTROL_W,
1708                                                         (int)canvas_y - FIRST_CONTROL_H,
1709                                                         mask_label);
1710
1711                                                 get_canvas()->draw_disc(
1712                                                         (int)canvas_x - FIRST_CONTROL_W / 2,
1713                                                         (int)canvas_y - FIRST_CONTROL_H / 2,
1714                                                         FIRST_CONTROL_W, FIRST_CONTROL_H);
1715                                         }
1716
1717 // Draw first control point.
1718                                         if(draw) {
1719                                                 output_to_canvas(mwindow->edl, 0, canvas_x1, canvas_y1);
1720                                                 get_canvas()->draw_line(
1721                                                         (int)canvas_x, (int)canvas_y,
1722                                                         (int)canvas_x1, (int)canvas_y1);
1723                                                 get_canvas()->draw_rectangle(
1724                                                         (int)canvas_x1 - CONTROL_W / 2,
1725                                                         (int)canvas_y1 - CONTROL_H / 2,
1726                                                         CONTROL_W, CONTROL_H);
1727
1728                                                 x_points.append((int)canvas_x);
1729                                                 y_points.append((int)canvas_y);
1730                                         }
1731                                 }
1732 //printf("CWindowCanvas::do_mask 1\n");
1733
1734                         }
1735                 }
1736 //printf("CWindowCanvas::do_mask 1\n");
1737
1738                 if(draw) {
1739                         get_canvas()->draw_polygon(&x_points, &y_points);
1740                         get_canvas()->set_opaque();
1741                 }
1742 //printf("CWindowCanvas::do_mask 1\n");
1743         }
1744
1745         if(button_press && !result) {
1746                 gui->affected_track = gui->cwindow->calculate_affected_track();
1747
1748 // Get keyframe outside the EDL to edit.  This must be rendered
1749 // instead of the EDL keyframes when it exists.  Then it must be
1750 // applied to the EDL keyframes on buttonrelease.
1751                 if(gui->affected_track) {
1752 #ifdef USE_KEYFRAME_SPANNING
1753 // Make copy of current parameters in local keyframe
1754                         gui->mask_keyframe =
1755                                 (MaskAuto*)gui->cwindow->calculate_affected_auto(
1756                                         mask_autos,
1757                                         0);
1758                         gui->orig_mask_keyframe->copy_data(gui->mask_keyframe);
1759 #else
1760
1761                         gui->mask_keyframe =
1762                                 (MaskAuto*)gui->cwindow->calculate_affected_auto(
1763                                         mask_autos,
1764                                         1);
1765 #endif
1766                 }
1767                 SubMask *mask = gui->mask_keyframe->get_submask(mwindow->edl->session->cwindow_mask);
1768
1769
1770 // Translate entire keyframe
1771                 if(gui->alt_down() && mask->points.size()) {
1772                         mwindow->undo->update_undo_before(_("mask translate"), 0);
1773                         gui->current_operation = CWINDOW_MASK_TRANSLATE;
1774                         gui->affected_point = 0;
1775                 }
1776                 else
1777 // Existing point or control point was selected
1778                 if(selected_point >= 0) {
1779                         mwindow->undo->update_undo_before(_("mask adjust"), 0);
1780                         gui->affected_point = selected_point;
1781
1782                         if(selected_control_point == 0)
1783                                 gui->current_operation = CWINDOW_MASK_CONTROL_IN;
1784                         else
1785                         if(selected_control_point == 1)
1786                                 gui->current_operation = CWINDOW_MASK_CONTROL_OUT;
1787                         else
1788                                 gui->current_operation = mwindow->edl->session->cwindow_operation;
1789                 }
1790                 else // No existing point or control point was selected so create a new one
1791                 if(!gui->ctrl_down() && !gui->alt_down()) {
1792                         mwindow->undo->update_undo_before(_("mask point"), 0);
1793 // Create the template
1794                         MaskPoint *point = new MaskPoint;
1795                         point->x = mask_cursor_x;
1796                         point->y = mask_cursor_y;
1797                         point->control_x1 = 0;
1798                         point->control_y1 = 0;
1799                         point->control_x2 = 0;
1800                         point->control_y2 = 0;
1801
1802
1803                         if(shortest_point2 < shortest_point1) {
1804                                 shortest_point2 ^= shortest_point1;
1805                                 shortest_point1 ^= shortest_point2;
1806                                 shortest_point2 ^= shortest_point1;
1807                         }
1808
1809
1810
1811 // printf("CWindowGUI::do_mask 40\n");
1812 // mwindow->edl->dump();
1813 // printf("CWindowGUI::do_mask 50\n");
1814
1815
1816
1817 //printf("CWindowCanvas::do_mask 1 %f %f %d %d\n",
1818 //      shortest_line_distance, shortest_point_distance, shortest_point1, shortest_point2);
1819 //printf("CWindowCanvas::do_mask %d %d\n", shortest_point1, shortest_point2);
1820
1821 // Append to end of list
1822                         if( shortest_point1 == shortest_point2 ||
1823                             labs(shortest_point1 - shortest_point2) > 1) {
1824 #ifdef USE_KEYFRAME_SPANNING
1825
1826                                 MaskPoint *new_point = new MaskPoint;
1827                                 points.append(new_point);
1828                                 *new_point = *point;
1829                                 gui->affected_point = points.size() - 1;
1830
1831 #else
1832
1833 // Need to apply the new point to every keyframe
1834                                 for(MaskAuto *current = (MaskAuto*)mask_autos->default_auto; current; ) {
1835                                         SubMask *submask = current->get_submask(mwindow->edl->session->cwindow_mask);
1836                                         MaskPoint *new_point = new MaskPoint;
1837                                         submask->points.append(new_point);
1838                                         *new_point = *point;
1839                                         if(current == (MaskAuto*)mask_autos->default_auto)
1840                                                 current = (MaskAuto*)mask_autos->first;
1841                                         else
1842                                                 current = (MaskAuto*)NEXT;
1843                                 }
1844                                 gui->affected_point = mask->points.size() - 1;
1845 #endif
1846
1847                                 result = 1;
1848                         }
1849                         else
1850 // Insert between 2 points, shifting back point 2
1851                         if(shortest_point1 >= 0 && shortest_point2 >= 0) {
1852
1853 #ifdef USE_KEYFRAME_SPANNING
1854 // In case the keyframe point count isn't synchronized with the rest of the keyframes,
1855 // avoid a crash.
1856                                 if(points.size() >= shortest_point2) {
1857                                         MaskPoint *new_point = new MaskPoint;
1858                                         points.append(0);
1859                                         for(int i = points.size() - 1;
1860                                                 i > shortest_point2;
1861                                                 i--)
1862                                                 points.values[i] = points.values[i - 1];
1863                                         points.values[shortest_point2] = new_point;
1864
1865                                         *new_point = *point;
1866                                 }
1867
1868 #else
1869
1870                                 for(MaskAuto *current = (MaskAuto*)mask_autos->default_auto; current; ) {
1871                                         SubMask *submask = current->get_submask(mwindow->edl->session->cwindow_mask);
1872 // In case the keyframe point count isn't synchronized with the rest of the keyframes,
1873 // avoid a crash.
1874                                         if(submask->points.size() >= shortest_point2) {
1875                                                 MaskPoint *new_point = new MaskPoint;
1876                                                 submask->points.append(0);
1877                                                 for(int i = submask->points.size() - 1;
1878                                                         i > shortest_point2;
1879                                                         i--)
1880                                                         submask->points.values[i] = submask->points.values[i - 1];
1881                                                 submask->points.values[shortest_point2] = new_point;
1882
1883                                                 *new_point = *point;
1884                                         }
1885
1886                                         if(current == (MaskAuto*)mask_autos->default_auto)
1887                                                 current = (MaskAuto*)mask_autos->first;
1888                                         else
1889                                                 current = (MaskAuto*)NEXT;
1890                                 }
1891
1892 #endif
1893                                 gui->affected_point = shortest_point2;
1894                                 result = 1;
1895                         }
1896
1897
1898 // printf("CWindowGUI::do_mask 20\n");
1899 // mwindow->edl->dump();
1900 // printf("CWindowGUI::do_mask 30\n");
1901
1902                         if(!result) {
1903 //printf("CWindowCanvas::do_mask 1\n");
1904 // Create the first point.
1905 #ifdef USE_KEYFRAME_SPANNING
1906                                 MaskPoint *new_point = new MaskPoint;
1907                                 points.append(new_point);
1908                                 *new_point = *point;
1909                                 gui->affected_point = points.size() - 1;
1910 #else
1911                                 for(MaskAuto *current = (MaskAuto*)mask_autos->default_auto; current; ) {
1912                                         SubMask *submask = current->get_submask(mwindow->edl->session->cwindow_mask);
1913                                         MaskPoint *new_point = new MaskPoint;
1914                                         submask->points.append(new_point);
1915                                         *new_point = *point;
1916                                         if(current == (MaskAuto*)mask_autos->default_auto)
1917                                                 current = (MaskAuto*)mask_autos->first;
1918                                         else
1919                                                 current = (MaskAuto*)NEXT;
1920                                 }
1921                                 gui->affected_point = points.size() - 1;
1922 #endif
1923
1924 //printf("CWindowCanvas::do_mask 3 %d\n", mask->points.size());
1925                         }
1926
1927                         gui->current_operation = mwindow->edl->session->cwindow_operation;
1928 // Delete the template
1929                         delete point;
1930                 }
1931
1932                 result = 1;
1933                 rerender = 1;
1934                 redraw = 1;
1935         }
1936
1937         if(button_press && result) {
1938 #ifdef USE_KEYFRAME_SPANNING
1939                 MaskPoint *point = points.values[gui->affected_point];
1940                 gui->center_x = point->x;
1941                 gui->center_y = point->y;
1942                 gui->control_in_x = point->control_x1;
1943                 gui->control_in_y = point->control_y1;
1944                 gui->control_out_x = point->control_x2;
1945                 gui->control_out_y = point->control_y2;
1946                 gui->tool_panel->raise_window();
1947 #else
1948                 SubMask *mask = gui->mask_keyframe->get_submask(mwindow->edl->session->cwindow_mask);
1949                 MaskPoint *point = mask->points.values[gui->affected_point];
1950                 gui->center_x = point->x;
1951                 gui->center_y = point->y;
1952                 gui->control_in_x = point->control_x1;
1953                 gui->control_in_y = point->control_y1;
1954                 gui->control_out_x = point->control_x2;
1955                 gui->control_out_y = point->control_y2;
1956                 gui->tool_panel->raise_window();
1957 #endif
1958         }
1959
1960 //printf("CWindowCanvas::do_mask 8\n");
1961         if(cursor_motion) {
1962
1963 #ifdef USE_KEYFRAME_SPANNING
1964 // Must update the reference keyframes for every cursor motion
1965                 gui->mask_keyframe =
1966                         (MaskAuto*)gui->cwindow->calculate_affected_auto(
1967                                 mask_autos,
1968                                 0);
1969                 gui->orig_mask_keyframe->copy_data(gui->mask_keyframe);
1970 #endif
1971
1972 //printf("CWindowCanvas::do_mask %d %d\n", __LINE__, gui->affected_point);
1973
1974                 SubMask *mask = gui->mask_keyframe->get_submask(mwindow->edl->session->cwindow_mask);
1975                 if( gui->affected_point >= 0 && gui->affected_point < mask->points.size() &&
1976                         gui->current_operation != CWINDOW_NONE) {
1977 //                      mwindow->undo->update_undo_before(_("mask point"), this);
1978 #ifdef USE_KEYFRAME_SPANNING
1979                         MaskPoint *point = points.get(gui->affected_point);
1980 #else
1981                         MaskPoint *point = mask->points.get(gui->affected_point);
1982 #endif
1983 //                      canvas_to_output(mwindow->edl, 0, cursor_x, cursor_y);
1984 //printf("CWindowCanvas::do_mask 9 %d %d\n", mask->points.size(), gui->affected_point);
1985
1986                         float last_x = point->x;
1987                         float last_y = point->y;
1988                         float last_control_x1 = point->control_x1;
1989                         float last_control_y1 = point->control_y1;
1990                         float last_control_x2 = point->control_x2;
1991                         float last_control_y2 = point->control_y2;
1992
1993                         switch(gui->current_operation) {
1994                                 case CWINDOW_MASK:
1995 //printf("CWindowCanvas::do_mask %d %d\n", __LINE__, gui->affected_point);
1996                                         point->x = mask_cursor_x - gui->x_origin + gui->center_x;
1997                                         point->y = mask_cursor_y - gui->y_origin + gui->center_y;
1998                                         break;
1999
2000                                 case CWINDOW_MASK_CONTROL_IN:
2001                                         point->control_x1 = mask_cursor_x - gui->x_origin + gui->control_in_x;
2002                                         point->control_y1 = mask_cursor_y - gui->y_origin + gui->control_in_y;
2003                                         break;
2004
2005                                 case CWINDOW_MASK_CONTROL_OUT:
2006                                         point->control_x2 = mask_cursor_x - gui->x_origin + gui->control_out_x;
2007                                         point->control_y2 = mask_cursor_y - gui->y_origin + gui->control_out_y;
2008                                         break;
2009
2010                                 case CWINDOW_MASK_TRANSLATE:
2011 #ifdef USE_KEYFRAME_SPANNING
2012                                         for(int i = 0; i < points.size(); i++) {
2013                                                 points.values[i]->x += mask_cursor_x - gui->x_origin;
2014                                                 points.values[i]->y += mask_cursor_y - gui->y_origin;
2015                                         }
2016 #else
2017                                         for(int i = 0; i < mask->points.size(); i++) {
2018                                                 mask->points.values[i]->x += mask_cursor_x - gui->x_origin;
2019                                                 mask->points.values[i]->y += mask_cursor_y - gui->y_origin;
2020                                         }
2021 #endif
2022                                         gui->x_origin = mask_cursor_x;
2023                                         gui->y_origin = mask_cursor_y;
2024                                         break;
2025                         }
2026
2027                         if( !EQUIV(last_x, point->x) ||
2028                                 !EQUIV(last_y, point->y) ||
2029                                 !EQUIV(last_control_x1, point->control_x1) ||
2030                                 !EQUIV(last_control_y1, point->control_y1) ||
2031                                 !EQUIV(last_control_x2, point->control_x2) ||
2032                                 !EQUIV(last_control_y2, point->control_y2)) {
2033                                 rerender = 1;
2034                                 redraw = 1;
2035                         }
2036                 }
2037                 else
2038                 if(gui->current_operation == CWINDOW_NONE) {
2039 //                      printf("CWindowCanvas::do_mask %d\n", __LINE__);
2040                         int over_point = 0;
2041                         for(int i = 0; i < points.size() && !over_point; i++) {
2042                                 MaskPoint *point = points.get(i);
2043                                 float x0 = point->x;
2044                                 float y0 = point->y;
2045                                 float x1 = point->x + point->control_x1;
2046                                 float y1 = point->y + point->control_y1;
2047                                 float x2 = point->x + point->control_x2;
2048                                 float y2 = point->y + point->control_y2;
2049                                 float canvas_x0 = (x0 - half_track_w) * projector_z + projector_x;
2050                                 float canvas_y0 = (y0 - half_track_h) * projector_z + projector_y;
2051
2052                                 output_to_canvas(mwindow->edl, 0, canvas_x0, canvas_y0);
2053                                 if(test_bbox(cursor_x, cursor_y, canvas_x0, canvas_y0)) {
2054                                         over_point = 1;
2055                                 }
2056
2057                                 if(!over_point && gui->ctrl_down()) {
2058                                         float canvas_x1 = (x1 - half_track_w) * projector_z + projector_x;
2059                                         float canvas_y1 = (y1 - half_track_h) * projector_z + projector_y;
2060                                         output_to_canvas(mwindow->edl, 0, canvas_x1, canvas_y1);
2061                                         if(test_bbox(cursor_x, cursor_y, canvas_x1, canvas_y1)) {
2062                                                 over_point = 1;
2063                                         }
2064                                         else {
2065                                                 float canvas_x2 = (x2 - half_track_w) * projector_z + projector_x;
2066                                                 float canvas_y2 = (y2 - half_track_h) * projector_z + projector_y;
2067                                                 output_to_canvas(mwindow->edl, 0, canvas_x2, canvas_y2);
2068                                                 if(test_bbox(cursor_x, cursor_y, canvas_x2, canvas_y2)) {
2069                                                         over_point = 1;
2070                                                 }
2071                                         }
2072                                 }
2073                         }
2074
2075                         set_cursor( over_point ? ARROW_CURSOR : CROSS_CURSOR );
2076                 }
2077
2078                 result = 1;
2079         }
2080 //printf("CWindowCanvas::do_mask 2 %d %d %d\n", result, rerender, redraw);
2081
2082
2083 #ifdef USE_KEYFRAME_SPANNING
2084 // Must commit change after operation.
2085         if(rerender && track) {
2086 // Swap EDL keyframe with original.
2087 // Apply new values to keyframe span
2088                 MaskAuto temp_keyframe(mwindow->edl, mask_autos);
2089                 temp_keyframe.copy_data(gui->mask_keyframe);
2090 // Apply interpolated points back to keyframe
2091                 temp_keyframe.set_points(&points, mwindow->edl->session->cwindow_mask);
2092                 gui->mask_keyframe->copy_data(gui->orig_mask_keyframe);
2093                 mask_autos->update_parameter(&temp_keyframe);
2094         }
2095 #endif
2096
2097         points.remove_all_objects();
2098 //printf("CWindowCanvas::do_mask 20\n");
2099         return result;
2100 }
2101
2102 int CWindowCanvas::do_eyedrop(int &rerender, int button_press, int draw)
2103 {
2104         int result = 0;
2105         int radius = mwindow->edl->session->eyedrop_radius;
2106         int row1 = 0;
2107         int row2 = 0;
2108         int column1 = 0;
2109         int column2 = 0;
2110
2111
2112
2113         if(refresh_frame && refresh_frame->get_w()>0 && refresh_frame->get_h()>0)
2114         {
2115
2116                 if(draw)
2117                 {
2118                         row1 = gui->eyedrop_y - radius;
2119                         row2 = gui->eyedrop_y + radius;
2120                         column1 = gui->eyedrop_x - radius;
2121                         column2 = gui->eyedrop_x + radius;
2122
2123                         CLAMP(row1, 0, refresh_frame->get_h() - 1);
2124                         CLAMP(row2, 0, refresh_frame->get_h() - 1);
2125                         CLAMP(column1, 0, refresh_frame->get_w() - 1);
2126                         CLAMP(column2, 0, refresh_frame->get_w() - 1);
2127
2128                         if(row2 <= row1) row2 = row1 + 1;
2129                         if(column2 <= column1) column2 = column1 + 1;
2130
2131                         float x1 = column1;
2132                         float y1 = row1;
2133                         float x2 = column2;
2134                         float y2 = row2;
2135
2136                         output_to_canvas(mwindow->edl, 0, x1, y1);
2137                         output_to_canvas(mwindow->edl, 0, x2, y2);
2138 //printf("CWindowCanvas::do_eyedrop %d %f %f %f %f\n", __LINE__, x1, x2, y1, y2);
2139
2140                         if(x2 - x1 >= 1 && y2 - y1 >= 1)
2141                         {
2142                                 get_canvas()->set_inverse();
2143                                 get_canvas()->set_color(WHITE);
2144
2145                                 get_canvas()->draw_rectangle((int)x1,
2146                                         (int)y1,
2147                                         (int)(x2 - x1),
2148                                         (int)(y2 - y1));
2149
2150                                 get_canvas()->set_opaque();
2151                                 get_canvas()->flash();
2152                         }
2153                         return 0;
2154                 }
2155         }
2156
2157         if(button_press)
2158         {
2159                 gui->current_operation = CWINDOW_EYEDROP;
2160                 gui->tool_panel->raise_window();
2161         }
2162
2163         if(gui->current_operation == CWINDOW_EYEDROP)
2164         {
2165                 mwindow->undo->update_undo_before(_("Eyedrop"), this);
2166
2167 // Get color out of frame.
2168 // Doesn't work during playback because that bypasses the refresh frame.
2169                 if(refresh_frame && refresh_frame->get_w()>0 && refresh_frame->get_h()>0)
2170                 {
2171                         float cursor_x = get_cursor_x();
2172                         float cursor_y = get_cursor_y();
2173                         canvas_to_output(mwindow->edl, 0, cursor_x, cursor_y);
2174                         CLAMP(cursor_x, 0, refresh_frame->get_w() - 1);
2175                         CLAMP(cursor_y, 0, refresh_frame->get_h() - 1);
2176
2177                         row1 = cursor_y - radius;
2178                         row2 = cursor_y + radius;
2179                         column1 = cursor_x - radius;
2180                         column2 = cursor_x + radius;
2181                         CLAMP(row1, 0, refresh_frame->get_h() - 1);
2182                         CLAMP(row2, 0, refresh_frame->get_h() - 1);
2183                         CLAMP(column1, 0, refresh_frame->get_w() - 1);
2184                         CLAMP(column2, 0, refresh_frame->get_w() - 1);
2185                         if(row2 <= row1) row2 = row1 + 1;
2186                         if(column2 <= column1) column2 = column1 + 1;
2187
2188
2189 // hide it
2190                         if(gui->eyedrop_visible)
2191                         {
2192                                 int temp;
2193                                 do_eyedrop(temp, 0, 1);
2194                                 gui->eyedrop_visible = 0;
2195                         }
2196
2197                         gui->eyedrop_x = cursor_x;
2198                         gui->eyedrop_y = cursor_y;
2199
2200 // show it
2201                         {
2202                                 int temp;
2203                                 do_eyedrop(temp, 0, 1);
2204                                 gui->eyedrop_visible = 1;
2205                         }
2206
2207 // Decompression coefficients straight out of jpeglib
2208 #define V_TO_R    1.40200
2209 #define V_TO_G    -0.71414
2210
2211 #define U_TO_G    -0.34414
2212 #define U_TO_B    1.77200
2213
2214 #define GET_COLOR(type, components, max, do_yuv) \
2215 { \
2216         type *row = (type*)(refresh_frame->get_rows()[i]) + \
2217                 j * components; \
2218         float red = (float)*row++ / max; \
2219         float green = (float)*row++ / max; \
2220         float blue = (float)*row++ / max; \
2221         if(do_yuv) \
2222         { \
2223                 float r = red + V_TO_R * (blue - 0.5); \
2224                 float g = red + U_TO_G * (green - 0.5) + V_TO_G * (blue - 0.5); \
2225                 float b = red + U_TO_B * (green - 0.5); \
2226                 mwindow->edl->local_session->red += r; \
2227                 mwindow->edl->local_session->green += g; \
2228                 mwindow->edl->local_session->blue += b; \
2229                 if(r > mwindow->edl->local_session->red_max) mwindow->edl->local_session->red_max = r; \
2230                 if(g > mwindow->edl->local_session->green_max) mwindow->edl->local_session->green_max = g; \
2231                 if(b > mwindow->edl->local_session->blue_max) mwindow->edl->local_session->blue_max = b; \
2232         } \
2233         else \
2234         { \
2235                 mwindow->edl->local_session->red += red; \
2236                 mwindow->edl->local_session->green += green; \
2237                 mwindow->edl->local_session->blue += blue; \
2238                 if(red > mwindow->edl->local_session->red_max) mwindow->edl->local_session->red_max = red; \
2239                 if(green > mwindow->edl->local_session->green_max) mwindow->edl->local_session->green_max = green; \
2240                 if(blue > mwindow->edl->local_session->blue_max) mwindow->edl->local_session->blue_max = blue; \
2241         } \
2242 }
2243
2244
2245
2246                         mwindow->edl->local_session->red = 0;
2247                         mwindow->edl->local_session->green = 0;
2248                         mwindow->edl->local_session->blue = 0;
2249                         mwindow->edl->local_session->red_max = 0;
2250                         mwindow->edl->local_session->green_max = 0;
2251                         mwindow->edl->local_session->blue_max = 0;
2252                         for(int i = row1; i < row2; i++)
2253                         {
2254                                 for(int j = column1; j < column2; j++)
2255                                 {
2256                                         switch(refresh_frame->get_color_model())
2257                                         {
2258                                                 case BC_YUV888:
2259                                                         GET_COLOR(unsigned char, 3, 0xff, 1);
2260                                                         break;
2261                                                 case BC_YUVA8888:
2262                                                         GET_COLOR(unsigned char, 4, 0xff, 1);
2263                                                         break;
2264                                                 case BC_YUV161616:
2265                                                         GET_COLOR(uint16_t, 3, 0xffff, 1);
2266                                                         break;
2267                                                 case BC_YUVA16161616:
2268                                                         GET_COLOR(uint16_t, 4, 0xffff, 1);
2269                                                         break;
2270                                                 case BC_RGB888:
2271                                                         GET_COLOR(unsigned char, 3, 0xff, 0);
2272                                                         break;
2273                                                 case BC_RGBA8888:
2274                                                         GET_COLOR(unsigned char, 4, 0xff, 0);
2275                                                         break;
2276                                                 case BC_RGB_FLOAT:
2277                                                         GET_COLOR(float, 3, 1.0, 0);
2278                                                         break;
2279                                                 case BC_RGBA_FLOAT:
2280                                                         GET_COLOR(float, 4, 1.0, 0);
2281                                                         break;
2282                                         }
2283                                 }
2284                         }
2285
2286                         mwindow->edl->local_session->red /= (row2 - row1) * (column2 - column1);
2287                         mwindow->edl->local_session->green /= (row2 - row1) * (column2 - column1);
2288                         mwindow->edl->local_session->blue /= (row2 - row1) * (column2 - column1);
2289
2290                 }
2291                 else
2292                 {
2293                         mwindow->edl->local_session->red = 0;
2294                         mwindow->edl->local_session->green = 0;
2295                         mwindow->edl->local_session->blue = 0;
2296                         gui->eyedrop_visible = 0;
2297                 }
2298
2299
2300                 gui->update_tool();
2301
2302
2303
2304                 result = 1;
2305 // Can't rerender since the color value is from the output of any effect it
2306 // goes into.
2307 //              rerender = 1;
2308                 mwindow->undo->update_undo_after(_("Eyedrop"), LOAD_SESSION);
2309         }
2310
2311         return result;
2312 }
2313
2314 void CWindowCanvas::draw_overlays()
2315 {
2316         if(mwindow->edl->session->safe_regions)
2317         {
2318                 draw_safe_regions();
2319         }
2320
2321         if(mwindow->edl->session->cwindow_scrollbars)
2322         {
2323 // Always draw output rectangle
2324                 float x1, y1, x2, y2;
2325                 x1 = 0;
2326                 x2 = mwindow->edl->session->output_w;
2327                 y1 = 0;
2328                 y2 = mwindow->edl->session->output_h;
2329                 output_to_canvas(mwindow->edl, 0, x1, y1);
2330                 output_to_canvas(mwindow->edl, 0, x2, y2);
2331
2332                 get_canvas()->set_inverse();
2333                 get_canvas()->set_color(WHITE);
2334
2335                 get_canvas()->draw_rectangle((int)x1,
2336                                 (int)y1,
2337                                 (int)(x2 - x1),
2338                                 (int)(y2 - y1));
2339
2340                 get_canvas()->set_opaque();
2341         }
2342
2343         if(gui->highlighted)
2344         {
2345                 get_canvas()->set_color(WHITE);
2346                 get_canvas()->set_inverse();
2347                 get_canvas()->draw_rectangle(0, 0, get_canvas()->get_w(), get_canvas()->get_h());
2348                 get_canvas()->draw_rectangle(1, 1, get_canvas()->get_w() - 2, get_canvas()->get_h() - 2);
2349                 get_canvas()->set_opaque();
2350         }
2351
2352         int temp1 = 0, temp2 = 0;
2353 //printf("CWindowCanvas::draw_overlays 1 %d\n", mwindow->edl->session->cwindow_operation);
2354         switch(mwindow->edl->session->cwindow_operation)
2355         {
2356                 case CWINDOW_CAMERA:
2357                         draw_bezier(1);
2358                         break;
2359
2360                 case CWINDOW_PROJECTOR:
2361                         draw_bezier(0);
2362                         break;
2363
2364                 case CWINDOW_CROP:
2365                         draw_crop();
2366                         break;
2367
2368                 case CWINDOW_MASK:
2369                         do_mask(temp1, temp2, 0, 0, 1);
2370                         break;
2371
2372                 case CWINDOW_RULER:
2373                         do_ruler(1, 0, 0, 0);
2374                         break;
2375
2376                 case CWINDOW_EYEDROP:
2377                 if(gui->eyedrop_visible)
2378                 {
2379                         int rerender;
2380                         do_eyedrop(rerender, 0, 1);
2381                         gui->eyedrop_visible = 1;
2382                         break;
2383                 }
2384         }
2385 }
2386
2387 void CWindowCanvas::draw_safe_regions()
2388 {
2389         float action_x1, action_x2, action_y1, action_y2;
2390         float title_x1, title_x2, title_y1, title_y2;
2391
2392         action_x1 = mwindow->edl->session->output_w / 2 - mwindow->edl->session->output_w / 2 * 0.9;
2393         action_x2 = mwindow->edl->session->output_w / 2 + mwindow->edl->session->output_w / 2 * 0.9;
2394         action_y1 = mwindow->edl->session->output_h / 2 - mwindow->edl->session->output_h / 2 * 0.9;
2395         action_y2 = mwindow->edl->session->output_h / 2 + mwindow->edl->session->output_h / 2 * 0.9;
2396         title_x1 = mwindow->edl->session->output_w / 2 - mwindow->edl->session->output_w / 2 * 0.8;
2397         title_x2 = mwindow->edl->session->output_w / 2 + mwindow->edl->session->output_w / 2 * 0.8;
2398         title_y1 = mwindow->edl->session->output_h / 2 - mwindow->edl->session->output_h / 2 * 0.8;
2399         title_y2 = mwindow->edl->session->output_h / 2 + mwindow->edl->session->output_h / 2 * 0.8;
2400
2401         output_to_canvas(mwindow->edl, 0, action_x1, action_y1);
2402         output_to_canvas(mwindow->edl, 0, action_x2, action_y2);
2403         output_to_canvas(mwindow->edl, 0, title_x1, title_y1);
2404         output_to_canvas(mwindow->edl, 0, title_x2, title_y2);
2405
2406         get_canvas()->set_inverse();
2407         get_canvas()->set_color(WHITE);
2408
2409         get_canvas()->draw_rectangle((int)action_x1,
2410                         (int)action_y1,
2411                         (int)(action_x2 - action_x1),
2412                         (int)(action_y2 - action_y1));
2413         get_canvas()->draw_rectangle((int)title_x1,
2414                         (int)title_y1,
2415                         (int)(title_x2 - title_x1),
2416                         (int)(title_y2 - title_y1));
2417
2418         get_canvas()->set_opaque();
2419 }
2420
2421 void CWindowCanvas::reset_keyframe(int do_camera)
2422 {
2423         FloatAuto *x_keyframe = 0;
2424         FloatAuto *y_keyframe = 0;
2425         FloatAuto *z_keyframe = 0;
2426         Track *affected_track = 0;
2427
2428         affected_track = gui->cwindow->calculate_affected_track();
2429
2430         if(affected_track)
2431         {
2432                 gui->cwindow->calculate_affected_autos(&x_keyframe,
2433                         &y_keyframe,
2434                         &z_keyframe,
2435                         affected_track,
2436                         do_camera,
2437                         1,
2438                         1,
2439                         1);
2440
2441                 x_keyframe->set_value(0);
2442                 y_keyframe->set_value(0);
2443                 z_keyframe->set_value(1);
2444
2445                 mwindow->sync_parameters(CHANGE_PARAMS);
2446                 gui->update_tool();
2447         }
2448 }
2449
2450 void CWindowCanvas::reset_camera()
2451 {
2452         reset_keyframe(1);
2453 }
2454
2455 void CWindowCanvas::reset_projector()
2456 {
2457         reset_keyframe(0);
2458 }
2459
2460 int CWindowCanvas::test_crop(int button_press, int &redraw)
2461 {
2462         int result = 0;
2463         int handle_selected = -1;
2464         float x1 = mwindow->edl->session->crop_x1;
2465         float y1 = mwindow->edl->session->crop_y1;
2466         float x2 = mwindow->edl->session->crop_x2;
2467         float y2 = mwindow->edl->session->crop_y2;
2468         float cursor_x = get_cursor_x();
2469         float cursor_y = get_cursor_y();
2470         float canvas_x1 = x1;
2471         float canvas_y1 = y1;
2472         float canvas_x2 = x2;
2473         float canvas_y2 = y2;
2474         float canvas_cursor_x = cursor_x;
2475         float canvas_cursor_y = cursor_y;
2476
2477         canvas_to_output(mwindow->edl, 0, cursor_x, cursor_y);
2478 // Use screen normalized coordinates for hot spot tests.
2479         output_to_canvas(mwindow->edl, 0, canvas_x1, canvas_y1);
2480         output_to_canvas(mwindow->edl, 0, canvas_x2, canvas_y2);
2481
2482
2483         if(gui->current_operation == CWINDOW_CROP)
2484         {
2485                 handle_selected = gui->crop_handle;
2486         }
2487         else
2488         if(canvas_cursor_x >= canvas_x1 && canvas_cursor_x < canvas_x1 + CROPHANDLE_W &&
2489                 canvas_cursor_y >= canvas_y1 && canvas_cursor_y < canvas_y1 + CROPHANDLE_H)
2490         {
2491                 handle_selected = 0;
2492                 gui->crop_origin_x = x1;
2493                 gui->crop_origin_y = y1;
2494         }
2495         else
2496         if(canvas_cursor_x >= canvas_x2 - CROPHANDLE_W && canvas_cursor_x < canvas_x2 &&
2497                 canvas_cursor_y >= canvas_y1 && canvas_cursor_y < canvas_y1 + CROPHANDLE_H)
2498         {
2499                 handle_selected = 1;
2500                 gui->crop_origin_x = x2;
2501                 gui->crop_origin_y = y1;
2502         }
2503         else
2504         if(canvas_cursor_x >= canvas_x1 && canvas_cursor_x < canvas_x1 + CROPHANDLE_W &&
2505                 canvas_cursor_y >= canvas_y2 - CROPHANDLE_H && canvas_cursor_y < canvas_y2)
2506         {
2507                 handle_selected = 2;
2508                 gui->crop_origin_x = x1;
2509                 gui->crop_origin_y = y2;
2510         }
2511         else
2512         if(canvas_cursor_x >= canvas_x2 - CROPHANDLE_W && canvas_cursor_x < canvas_x2 &&
2513                 canvas_cursor_y >= canvas_y2 - CROPHANDLE_H && canvas_cursor_y < canvas_y2)
2514         {
2515                 handle_selected = 3;
2516                 gui->crop_origin_x = x2;
2517                 gui->crop_origin_y = y2;
2518         }
2519         else
2520 // Start new box
2521         {
2522                 gui->crop_origin_x = cursor_x;
2523                 gui->crop_origin_y = cursor_y;
2524         }
2525
2526 // printf("test crop %d %d\n",
2527 //      gui->current_operation,
2528 //      handle_selected);
2529
2530 // Start dragging.
2531         if(button_press)
2532         {
2533                 if(gui->alt_down())
2534                 {
2535                         gui->crop_translate = 1;
2536                         gui->crop_origin_x1 = x1;
2537                         gui->crop_origin_y1 = y1;
2538                         gui->crop_origin_x2 = x2;
2539                         gui->crop_origin_y2 = y2;
2540                 }
2541                 else
2542                         gui->crop_translate = 0;
2543
2544                 gui->current_operation = CWINDOW_CROP;
2545                 gui->crop_handle = handle_selected;
2546                 gui->x_origin = cursor_x;
2547                 gui->y_origin = cursor_y;
2548                 gui->tool_panel->raise_window();
2549                 result = 1;
2550
2551                 if(handle_selected < 0 && !gui->crop_translate)
2552                 {
2553                         x2 = x1 = cursor_x;
2554                         y2 = y1 = cursor_y;
2555                         mwindow->edl->session->crop_x1 = (int)x1;
2556                         mwindow->edl->session->crop_y1 = (int)y1;
2557                         mwindow->edl->session->crop_x2 = (int)x2;
2558                         mwindow->edl->session->crop_y2 = (int)y2;
2559                         redraw = 1;
2560                 }
2561         }
2562         else
2563 // Translate all 4 points
2564         if(gui->current_operation == CWINDOW_CROP && gui->crop_translate)
2565         {
2566                 x1 = cursor_x - gui->x_origin + gui->crop_origin_x1;
2567                 y1 = cursor_y - gui->y_origin + gui->crop_origin_y1;
2568                 x2 = cursor_x - gui->x_origin + gui->crop_origin_x2;
2569                 y2 = cursor_y - gui->y_origin + gui->crop_origin_y2;
2570
2571                 mwindow->edl->session->crop_x1 = (int)x1;
2572                 mwindow->edl->session->crop_y1 = (int)y1;
2573                 mwindow->edl->session->crop_x2 = (int)x2;
2574                 mwindow->edl->session->crop_y2 = (int)y2;
2575                 result = 1;
2576                 redraw = 1;
2577         }
2578         else
2579 // Update dragging
2580         if(gui->current_operation == CWINDOW_CROP)
2581         {
2582                 switch(gui->crop_handle)
2583                 {
2584                         case -1:
2585                                 x1 = gui->crop_origin_x;
2586                                 y1 = gui->crop_origin_y;
2587                                 x2 = gui->crop_origin_x;
2588                                 y2 = gui->crop_origin_y;
2589                                 if(cursor_x < gui->x_origin)
2590                                 {
2591                                         if(cursor_y < gui->y_origin)
2592                                         {
2593                                                 x1 = cursor_x;
2594                                                 y1 = cursor_y;
2595                                         }
2596                                         else
2597                                         if(cursor_y >= gui->y_origin)
2598                                         {
2599                                                 x1 = cursor_x;
2600                                                 y2 = cursor_y;
2601                                         }
2602                                 }
2603                                 else
2604                                 if(cursor_x  >= gui->x_origin)
2605                                 {
2606                                         if(cursor_y < gui->y_origin)
2607                                         {
2608                                                 y1 = cursor_y;
2609                                                 x2 = cursor_x;
2610                                         }
2611                                         else
2612                                         if(cursor_y >= gui->y_origin)
2613                                         {
2614                                                 x2 = cursor_x;
2615                                                 y2 = cursor_y;
2616                                         }
2617                                 }
2618
2619 // printf("test crop %d %d %d %d\n",
2620 //      mwindow->edl->session->crop_x1,
2621 //      mwindow->edl->session->crop_y1,
2622 //      mwindow->edl->session->crop_x2,
2623 //      mwindow->edl->session->crop_y2);
2624                                 break;
2625                         case 0:
2626                                 x1 = cursor_x - gui->x_origin + gui->crop_origin_x;
2627                                 y1 = cursor_y - gui->y_origin + gui->crop_origin_y;
2628                                 break;
2629                         case 1:
2630                                 x2 = cursor_x - gui->x_origin + gui->crop_origin_x;
2631                                 y1 = cursor_y - gui->y_origin + gui->crop_origin_y;
2632                                 break;
2633                         case 2:
2634                                 x1 = cursor_x - gui->x_origin + gui->crop_origin_x;
2635                                 y2 = cursor_y - gui->y_origin + gui->crop_origin_y;
2636                                 break;
2637                         case 3:
2638                                 x2 = cursor_x - gui->x_origin + gui->crop_origin_x;
2639                                 y2 = cursor_y - gui->y_origin + gui->crop_origin_y;
2640                                 break;
2641                 }
2642
2643                 if(!EQUIV(mwindow->edl->session->crop_x1, x1) ||
2644                         !EQUIV(mwindow->edl->session->crop_x2, x2) ||
2645                         !EQUIV(mwindow->edl->session->crop_y1, y1) ||
2646                         !EQUIV(mwindow->edl->session->crop_y2, y2))
2647                 {
2648                         if (x1 > x2)
2649                         {
2650                                 float tmp = x1;
2651                                 x1 = x2;
2652                                 x2 = tmp;
2653                                 switch (gui->crop_handle)
2654                                 {
2655                                         case 0: gui->crop_handle = 1; break;
2656                                         case 1: gui->crop_handle = 0; break;
2657                                         case 2: gui->crop_handle = 3; break;
2658                                         case 3: gui->crop_handle = 2; break;
2659                                         default: break;
2660                                 }
2661                         }
2662
2663                         if (y1 > y2)
2664                         {
2665                                 float tmp = y1;
2666                                 y1 = y2;
2667                                 y2 = tmp;
2668                                 switch (gui->crop_handle)
2669                                 {
2670                                         case 0: gui->crop_handle = 2; break;
2671                                         case 1: gui->crop_handle = 3; break;
2672                                         case 2: gui->crop_handle = 0; break;
2673                                         case 3: gui->crop_handle = 1; break;
2674                                         default: break;
2675                                 }
2676                         }
2677
2678                         mwindow->edl->session->crop_x1 = (int)x1;
2679                         mwindow->edl->session->crop_y1 = (int)y1;
2680                         mwindow->edl->session->crop_x2 = (int)x2;
2681                         mwindow->edl->session->crop_y2 = (int)y2;
2682                         result = 1;
2683                         redraw = 1;
2684                 }
2685         }
2686         else
2687 // Update cursor font
2688         if(handle_selected >= 0)
2689         {
2690                 switch(handle_selected)
2691                 {
2692                         case 0:
2693                                 set_cursor(UPLEFT_RESIZE);
2694                                 break;
2695                         case 1:
2696                                 set_cursor(UPRIGHT_RESIZE);
2697                                 break;
2698                         case 2:
2699                                 set_cursor(DOWNLEFT_RESIZE);
2700                                 break;
2701                         case 3:
2702                                 set_cursor(DOWNRIGHT_RESIZE);
2703                                 break;
2704                 }
2705                 result = 1;
2706         }
2707         else
2708         {
2709                 set_cursor(ARROW_CURSOR);
2710         }
2711 #define CLAMP(x, y, z) ((x) = ((x) < (y) ? (y) : ((x) > (z) ? (z) : (x))))
2712
2713         if(redraw)
2714         {
2715                 CLAMP(mwindow->edl->session->crop_x1, 0, mwindow->edl->session->output_w);
2716                 CLAMP(mwindow->edl->session->crop_x2, 0, mwindow->edl->session->output_w);
2717                 CLAMP(mwindow->edl->session->crop_y1, 0, mwindow->edl->session->output_h);
2718                 CLAMP(mwindow->edl->session->crop_y2, 0, mwindow->edl->session->output_h);
2719 // printf("CWindowCanvas::test_crop %d %d %d %d\n",
2720 //      mwindow->edl->session->crop_x2,
2721 //      mwindow->edl->session->crop_y2,
2722 //      mwindow->edl->calculate_output_w(0),
2723 //      mwindow->edl->calculate_output_h(0));
2724         }
2725         return result;
2726 }
2727
2728
2729 void CWindowCanvas::draw_crop()
2730 {
2731         get_canvas()->set_inverse();
2732         get_canvas()->set_color(WHITE);
2733
2734         float x1 = mwindow->edl->session->crop_x1;
2735         float y1 = mwindow->edl->session->crop_y1;
2736         float x2 = mwindow->edl->session->crop_x2;
2737         float y2 = mwindow->edl->session->crop_y2;
2738
2739         output_to_canvas(mwindow->edl, 0, x1, y1);
2740         output_to_canvas(mwindow->edl, 0, x2, y2);
2741
2742         if(x2 - x1 && y2 - y1)
2743                 get_canvas()->draw_rectangle((int)x1,
2744                         (int)y1,
2745                         (int)(x2 - x1),
2746                         (int)(y2 - y1));
2747
2748         draw_crophandle((int)x1, (int)y1);
2749         draw_crophandle((int)x2 - CROPHANDLE_W, (int)y1);
2750         draw_crophandle((int)x1, (int)y2 - CROPHANDLE_H);
2751         draw_crophandle((int)x2 - CROPHANDLE_W, (int)y2 - CROPHANDLE_H);
2752         get_canvas()->set_opaque();
2753 }
2754
2755
2756
2757
2758
2759
2760
2761
2762 void CWindowCanvas::draw_bezier(int do_camera)
2763 {
2764         Track *track = gui->cwindow->calculate_affected_track();
2765
2766         if(!track) return;
2767
2768         float center_x;
2769         float center_y;
2770         float center_z;
2771         int64_t position = track->to_units(
2772                 mwindow->edl->local_session->get_selectionstart(1),
2773                 0);
2774
2775         track->automation->get_projector(&center_x,
2776                 &center_y,
2777                 &center_z,
2778                 position,
2779                 PLAY_FORWARD);
2780
2781 //      center_x += track->track_w / 2;
2782 //      center_y += track->track_h / 2;
2783         center_x += mwindow->edl->session->output_w / 2;
2784         center_y += mwindow->edl->session->output_h / 2;
2785         float track_x1 = center_x - track->track_w / 2 * center_z;
2786         float track_y1 = center_y - track->track_h / 2 * center_z;
2787         float track_x2 = track_x1 + track->track_w * center_z;
2788         float track_y2 = track_y1 + track->track_h * center_z;
2789
2790         output_to_canvas(mwindow->edl, 0, track_x1, track_y1);
2791         output_to_canvas(mwindow->edl, 0, track_x2, track_y2);
2792
2793 #define DRAW_PROJECTION(offset) \
2794         get_canvas()->draw_rectangle((int)track_x1 + offset, \
2795                 (int)track_y1 + offset, \
2796                 (int)(track_x2 - track_x1), \
2797                 (int)(track_y2 - track_y1)); \
2798         get_canvas()->draw_line((int)track_x1 + offset,  \
2799                 (int)track_y1 + offset, \
2800                 (int)track_x2 + offset, \
2801                 (int)track_y2 + offset); \
2802         get_canvas()->draw_line((int)track_x2 + offset,  \
2803                 (int)track_y1 + offset, \
2804                 (int)track_x1 + offset, \
2805                 (int)track_y2 + offset); \
2806
2807
2808 // Drop shadow
2809         get_canvas()->set_color(BLACK);
2810         DRAW_PROJECTION(1);
2811
2812 //      canvas->set_inverse();
2813         if(do_camera)
2814                 get_canvas()->set_color(GREEN);
2815         else
2816                 get_canvas()->set_color(RED);
2817
2818         DRAW_PROJECTION(0);
2819 //      canvas->set_opaque();
2820
2821 }
2822
2823 int CWindowCanvas::test_bezier(int button_press,
2824         int &redraw,
2825         int &redraw_canvas,
2826         int &rerender,
2827         int do_camera)
2828 {
2829         int result = 0;
2830
2831 // Processing drag operation.
2832 // Create keyframe during first cursor motion.
2833         if(!button_press)
2834         {
2835
2836                 float cursor_x = get_cursor_x();
2837                 float cursor_y = get_cursor_y();
2838                 canvas_to_output(mwindow->edl, 0, cursor_x, cursor_y);
2839
2840                 if(gui->current_operation == CWINDOW_CAMERA ||
2841                         gui->current_operation == CWINDOW_PROJECTOR)
2842                 {
2843                         if(!gui->ctrl_down() && gui->shift_down() && !gui->translating_zoom)
2844                         {
2845                                 gui->translating_zoom = 1;
2846                                 gui->reset_affected();
2847                         }
2848                         else
2849                         if(!gui->ctrl_down() && !gui->shift_down() && gui->translating_zoom)
2850                         {
2851                                 gui->translating_zoom = 0;
2852                                 gui->reset_affected();
2853                         }
2854
2855 // Get target keyframe
2856                         float last_center_x;
2857                         float last_center_y;
2858                         float last_center_z;
2859                         int created;
2860
2861                         if(!gui->affected_x && !gui->affected_y && !gui->affected_z)
2862                         {
2863                                 FloatAutos *affected_x_autos;
2864                                 FloatAutos *affected_y_autos;
2865                                 FloatAutos *affected_z_autos;
2866                                 if(!gui->affected_track) return 0;
2867                                 double position = mwindow->edl->local_session->get_selectionstart(1);
2868                                 int64_t track_position = gui->affected_track->to_units(position, 0);
2869
2870                                 if(mwindow->edl->session->cwindow_operation == CWINDOW_CAMERA)
2871                                 {
2872                                         affected_x_autos = (FloatAutos*)gui->affected_track->automation->autos[AUTOMATION_CAMERA_X];
2873                                         affected_y_autos = (FloatAutos*)gui->affected_track->automation->autos[AUTOMATION_CAMERA_Y];
2874                                         affected_z_autos = (FloatAutos*)gui->affected_track->automation->autos[AUTOMATION_CAMERA_Z];
2875                                 }
2876                                 else
2877                                 {
2878                                         affected_x_autos = (FloatAutos*)gui->affected_track->automation->autos[AUTOMATION_PROJECTOR_X];
2879                                         affected_y_autos = (FloatAutos*)gui->affected_track->automation->autos[AUTOMATION_PROJECTOR_Y];
2880                                         affected_z_autos = (FloatAutos*)gui->affected_track->automation->autos[AUTOMATION_PROJECTOR_Z];
2881                                 }
2882
2883
2884                                 if(gui->translating_zoom)
2885                                 {
2886                                         FloatAuto *previous = 0;
2887                                         FloatAuto *next = 0;
2888                                         float new_z = affected_z_autos->get_value(
2889                                                 track_position,
2890                                                 PLAY_FORWARD,
2891                                                 previous,
2892                                                 next);
2893                                         gui->affected_z =
2894                                                 (FloatAuto*)gui->cwindow->calculate_affected_auto(
2895                                                         affected_z_autos, 1, &created, 0);
2896                                         if(created) {
2897                                                 gui->affected_z->set_value(new_z);
2898                                                 redraw_canvas = 1;
2899                                         }
2900                                 }
2901                                 else
2902                                 {
2903                                         FloatAuto *previous = 0;
2904                                         FloatAuto *next = 0;
2905                                         float new_x = affected_x_autos->get_value(
2906                                                 track_position,
2907                                                 PLAY_FORWARD,
2908                                                 previous,
2909                                                 next);
2910                                         previous = 0;
2911                                         next = 0;
2912                                         float new_y = affected_y_autos->get_value(
2913                                                 track_position,
2914                                                 PLAY_FORWARD,
2915                                                 previous,
2916                                                 next);
2917                                         gui->affected_x =
2918                                                 (FloatAuto*)gui->cwindow->calculate_affected_auto(
2919                                                         affected_x_autos, 1, &created, 0);
2920                                         if(created) {
2921                                                 gui->affected_x->set_value(new_x);
2922                                                 redraw_canvas = 1;
2923                                         }
2924                                         gui->affected_y =
2925                                                 (FloatAuto*)gui->cwindow->calculate_affected_auto(
2926                                                         affected_y_autos, 1, &created, 0);
2927                                         if(created) {
2928                                                 gui->affected_y->set_value(new_y);
2929                                                 redraw_canvas = 1;
2930                                         }
2931                                 }
2932
2933                                 calculate_origin();
2934
2935                                 if(gui->translating_zoom)
2936                                 {
2937                                         gui->center_z = gui->affected_z->get_value();
2938                                 }
2939                                 else
2940                                 {
2941                                         gui->center_x = gui->affected_x->get_value();
2942                                         gui->center_y = gui->affected_y->get_value();
2943                                 }
2944
2945                                 rerender = 1;
2946                                 redraw = 1;
2947                         }
2948
2949                         if(gui->translating_zoom)
2950                         {
2951                                 last_center_z = gui->affected_z->get_value();
2952                                 float z = gui->center_z + (cursor_y - gui->y_origin) / 128;
2953                                 if( z < 0 ) z = 0;
2954                                 if(!EQUIV(last_center_z, z))
2955                                 {
2956                                         rerender = 1;
2957                                         redraw = 1;
2958                                         redraw_canvas = 1;
2959                                 }
2960                                 gui->affected_z->set_value(z);
2961                         }
2962                         else
2963                         {
2964                                 last_center_x = gui->affected_x->get_value();
2965                                 last_center_y = gui->affected_y->get_value();
2966                                 float x = gui->center_x + cursor_x - gui->x_origin;
2967                                 float y = gui->center_y + cursor_y - gui->y_origin;
2968                                 gui->affected_x->set_value(x);
2969                                 gui->affected_y->set_value(y);
2970                                 if( !EQUIV(last_center_x, x) || !EQUIV(last_center_y, y) )
2971                                 {
2972                                         rerender = 1;
2973                                         redraw = 1;
2974                                         redraw_canvas = 1;
2975                                 }
2976                                 gui->affected_x->set_value(x);
2977                                 gui->affected_y->set_value(y);
2978                         }
2979                 }
2980
2981                 result = 1;
2982         }
2983         else
2984 // Begin drag operation.  Don't create keyframe here.
2985         {
2986 // Get affected track off of the first recordable video track.
2987 // Calculating based on the alpha channel would require recording what layer
2988 // each output pixel belongs to as they're rendered and stacked.  Forget it.
2989                 gui->affected_track = gui->cwindow->calculate_affected_track();
2990                 gui->reset_affected();
2991
2992                 if(gui->affected_track)
2993                 {
2994                         if(gui->current_operation == CWINDOW_CAMERA)
2995                                 mwindow->undo->update_undo_before(_("camera"), this);
2996                         else
2997                                 mwindow->undo->update_undo_before(_("projector"), this);
2998
2999                         gui->current_operation =
3000                                 mwindow->edl->session->cwindow_operation;
3001                         gui->tool_panel->raise_window();
3002                         result = 1;
3003                 }
3004         }
3005
3006         return result;
3007 }
3008
3009
3010 int CWindowCanvas::test_zoom(int &redraw)
3011 {
3012         int result = 0;
3013         float x, y;
3014         float zoom = 0;
3015
3016         if( mwindow->edl->session->cwindow_scrollbars ) {
3017                 if( *gui->zoom_panel->get_text() != 'x' ) {
3018 // Find current zoom in table
3019                         int idx = total_zooms;  float old_zoom = get_zoom();
3020                         while( --idx >= 0 && !EQUIV(my_zoom_table[idx], old_zoom) );
3021                         if( idx >= 0 ) {
3022                                 idx += get_buttonpress() == 5 ||
3023                                          gui->ctrl_down() || gui->shift_down() ?  -1 : +1 ;
3024                                 CLAMP(idx, 0, total_zooms-1);
3025                                 zoom = my_zoom_table[idx];
3026                         }
3027                 }
3028                 x = get_cursor_x();  y = get_cursor_y();
3029                 if( !zoom ) {
3030                         mwindow->edl->session->cwindow_scrollbars = 0;
3031                         gui->zoom_panel->update(0);
3032                         zoom = gui->get_auto_zoom();
3033                 }
3034                 else {
3035                         gui->zoom_panel->ZoomPanel::update(zoom);
3036                         float output_x = x, output_y = y;
3037                         canvas_to_output(mwindow->edl, 0, output_x, output_y);
3038                         x = output_x - x / zoom;
3039                         y = output_y - y / zoom;
3040                 }
3041         }
3042         else {
3043                 mwindow->edl->session->cwindow_scrollbars = 1;
3044                 x = (mwindow->edl->session->output_w - w) / 2;
3045                 y = (mwindow->edl->session->output_h - h) / 2;
3046                 zoom = 1;
3047         }
3048         update_zoom((int)x, (int)y, zoom);
3049
3050         gui->composite_panel->cpanel_zoom->update(zoom);
3051
3052         reposition_window(mwindow->edl,
3053                         mwindow->theme->ccanvas_x, mwindow->theme->ccanvas_y,
3054                         mwindow->theme->ccanvas_w, mwindow->theme->ccanvas_h);
3055         redraw = 1;  result = 1;
3056
3057         return result;
3058 }
3059
3060
3061 void CWindowCanvas::calculate_origin()
3062 {
3063         gui->x_origin = get_cursor_x();
3064         gui->y_origin = get_cursor_y();
3065 //printf("CWindowCanvas::calculate_origin 1 %f %f\n", gui->x_origin, gui->y_origin);
3066         canvas_to_output(mwindow->edl, 0, gui->x_origin, gui->y_origin);
3067 //printf("CWindowCanvas::calculate_origin 2 %f %f\n", gui->x_origin, gui->y_origin);
3068 }
3069
3070
3071 int CWindowCanvas::cursor_leave_event()
3072 {
3073         set_cursor(ARROW_CURSOR);
3074         return 1;
3075 }
3076
3077 int CWindowCanvas::cursor_enter_event()
3078 {
3079         int redraw = 0;
3080         switch(mwindow->edl->session->cwindow_operation)
3081         {
3082                 case CWINDOW_CAMERA:
3083                 case CWINDOW_PROJECTOR:
3084                         set_cursor(MOVE_CURSOR);
3085                         break;
3086                 case CWINDOW_ZOOM:
3087                         set_cursor(MOVE_CURSOR);
3088                         break;
3089                 case CWINDOW_CROP:
3090                         test_crop(0, redraw);
3091                         break;
3092                 case CWINDOW_PROTECT:
3093                         set_cursor(ARROW_CURSOR);
3094                         break;
3095                 case CWINDOW_MASK:
3096                 case CWINDOW_RULER:
3097                         set_cursor(CROSS_CURSOR);
3098                         break;
3099                 case CWINDOW_EYEDROP:
3100                         set_cursor(CROSS_CURSOR);
3101                         break;
3102         }
3103         return 1;
3104 }
3105
3106 int CWindowCanvas::cursor_motion_event()
3107 {
3108         int redraw = 0, result = 0, rerender = 0, redraw_canvas = 0;
3109
3110
3111 //printf("CWindowCanvas::cursor_motion_event %d current_operation=%d\n", __LINE__, gui->current_operation);
3112         switch(gui->current_operation)
3113         {
3114                 case CWINDOW_SCROLL:
3115                 {
3116                         float zoom = get_zoom();
3117                         float cursor_x = get_cursor_x();
3118                         float cursor_y = get_cursor_y();
3119
3120                         float zoom_x, zoom_y, conformed_w, conformed_h;
3121                         get_zooms(mwindow->edl, 0, zoom_x, zoom_y, conformed_w, conformed_h);
3122                         cursor_x = (float)cursor_x / zoom_x + gui->x_offset;
3123                         cursor_y = (float)cursor_y / zoom_y + gui->y_offset;
3124
3125
3126
3127                         int x = (int)(gui->x_origin - cursor_x + gui->x_offset);
3128                         int y = (int)(gui->y_origin - cursor_y + gui->y_offset);
3129
3130                         update_zoom(x,
3131                                 y,
3132                                 zoom);
3133                         update_scrollbars(0);
3134                         redraw = 1;
3135                         result = 1;
3136                         break;
3137                 }
3138
3139                 case CWINDOW_RULER:
3140                         result = do_ruler(0, 1, 0, 0);
3141                         break;
3142
3143                 case CWINDOW_CAMERA:
3144                         result = test_bezier(0, redraw, redraw_canvas, rerender, 1);
3145                         break;
3146
3147                 case CWINDOW_PROJECTOR:
3148                         result = test_bezier(0, redraw, redraw_canvas, rerender, 0);
3149                         break;
3150
3151
3152                 case CWINDOW_CROP:
3153                         result = test_crop(0, redraw);
3154 // printf("CWindowCanvas::cursor_motion_event %d result=%d redraw=%d\n",
3155 // __LINE__,
3156 // result,
3157 // redraw);
3158                         break;
3159
3160                 case CWINDOW_MASK:
3161                 case CWINDOW_MASK_CONTROL_IN:
3162                 case CWINDOW_MASK_CONTROL_OUT:
3163                 case CWINDOW_MASK_TRANSLATE:
3164
3165                         result = do_mask(redraw,
3166                                 rerender,
3167                                 0,
3168                                 1,
3169                                 0);
3170                         break;
3171
3172                 case CWINDOW_EYEDROP:
3173                         result = do_eyedrop(rerender, 0, 0);
3174                         break;
3175
3176                 default:
3177                         break;
3178
3179         }
3180
3181
3182 // cursor font changes
3183         if(!result)
3184         {
3185 // printf("CWindowCanvas::cursor_motion_event %d cwindow_operation=%d\n",
3186 // __LINE__,
3187 // mwindow->edl->session->cwindow_operation);
3188                 switch(mwindow->edl->session->cwindow_operation)
3189                 {
3190                         case CWINDOW_CROP:
3191                                 result = test_crop(0, redraw);
3192                                 break;
3193                         case CWINDOW_RULER:
3194                                 result = do_ruler(0, 1, 0, 0);
3195                                 break;
3196                         case CWINDOW_MASK:
3197                                 result = do_mask(redraw,
3198                                         rerender,
3199                                         0,
3200                                         1,
3201                                         0);
3202                                         break;
3203                 }
3204         }
3205
3206
3207 // If the window is never unlocked before calling send_command the
3208 // display shouldn't get stuck on the old video frame although it will
3209 // flicker between the old video frame and the new video frame.
3210
3211         if(redraw)
3212         {
3213                 draw_refresh();
3214                 gui->update_tool();
3215         }
3216
3217         if(redraw_canvas)
3218         {
3219                 gui->unlock_window();
3220
3221
3222                 mwindow->gui->lock_window("CWindowCanvas::cursor_motion_event 1");
3223                 mwindow->gui->draw_overlays(1);
3224                 mwindow->gui->unlock_window();
3225
3226                 gui->lock_window("CWindowCanvas::cursor_motion_event 1");
3227         }
3228
3229         if(rerender)
3230         {
3231                 gui->unlock_window();
3232                 mwindow->restart_brender();
3233                 mwindow->sync_parameters(CHANGE_PARAMS);
3234                 mwindow->cwindow->refresh_frame(CHANGE_NONE);
3235                 if(!redraw) gui->update_tool();
3236                 gui->lock_window("CWindowCanvas::cursor_motion_event 2");
3237         }
3238         return result;
3239 }
3240
3241 int CWindowCanvas::button_press_event()
3242 {
3243         int result = 0;
3244         int redraw = 0;
3245         int redraw_canvas = 0;
3246         int rerender = 0;
3247
3248         if(Canvas::button_press_event()) return 1;
3249
3250         gui->translating_zoom = gui->shift_down();
3251
3252         calculate_origin();
3253 //printf("CWindowCanvas::button_press_event 2 %f %f\n", gui->x_origin, gui->y_origin, gui->x_origin, gui->y_origin);
3254
3255         float zoom_x, zoom_y, conformed_w, conformed_h;
3256         get_zooms(mwindow->edl, 0, zoom_x, zoom_y, conformed_w, conformed_h);
3257         gui->x_offset = get_x_offset(mwindow->edl, 0, zoom_x, conformed_w, conformed_h);
3258         gui->y_offset = get_y_offset(mwindow->edl, 0, zoom_y, conformed_w, conformed_h);
3259
3260 // Scroll view
3261         if( mwindow->edl->session->cwindow_operation != CWINDOW_PROTECT &&
3262             get_buttonpress() == 2 )
3263         {
3264                 gui->current_operation = CWINDOW_SCROLL;
3265                 result = 1;
3266         }
3267         else
3268 // Adjust parameter
3269         {
3270                 switch(mwindow->edl->session->cwindow_operation)
3271                 {
3272                         case CWINDOW_RULER:
3273                                 result = do_ruler(0, 0, 1, 0);
3274                                 break;
3275
3276                         case CWINDOW_CAMERA:
3277                                 result = test_bezier(1, redraw, redraw_canvas, rerender, 1);
3278                                 break;
3279
3280                         case CWINDOW_PROJECTOR:
3281                                 result = test_bezier(1, redraw, redraw_canvas, rerender, 0);
3282                                 break;
3283
3284                         case CWINDOW_ZOOM:
3285                                 result = test_zoom(redraw);
3286                                 break;
3287
3288                         case CWINDOW_CROP:
3289                                 result = test_crop(1, redraw);
3290                                 break;
3291
3292                         case CWINDOW_MASK:
3293                                 if(get_buttonpress() == 1)
3294                                         result = do_mask(redraw, rerender, 1, 0, 0);
3295                                 break;
3296
3297                         case CWINDOW_EYEDROP:
3298                                 result = do_eyedrop(rerender, 1, 0);
3299                                 break;
3300                 }
3301         }
3302
3303         if(redraw)
3304         {
3305                 draw_refresh();
3306                 gui->unlock_window();
3307
3308
3309                 mwindow->gui->lock_window("CWindowCanvas::button_press_event 1");
3310                 mwindow->gui->draw_overlays(1);
3311                 mwindow->gui->unlock_window();
3312                 gui->update_tool();
3313
3314                 gui->lock_window("CWindowCanvas::button_press_event 1");
3315         }
3316
3317 // rerendering can also be caused by press event
3318         if(rerender)
3319         {
3320                 gui->unlock_window();
3321
3322                 mwindow->restart_brender();
3323                 mwindow->sync_parameters(CHANGE_PARAMS);
3324                 mwindow->cwindow->refresh_frame(CHANGE_NONE);
3325                 if(!redraw) gui->update_tool();
3326                 gui->lock_window("CWindowCanvas::button_press_event 2");
3327         }
3328         return result;
3329 }
3330
3331 int CWindowCanvas::button_release_event()
3332 {
3333         int result = 0;
3334
3335         switch(gui->current_operation)
3336         {
3337                 case CWINDOW_SCROLL:
3338                         result = 1;
3339                         break;
3340
3341                 case CWINDOW_RULER:
3342                         do_ruler(0, 0, 0, 1);
3343                         break;
3344
3345                 case CWINDOW_CAMERA:
3346                         mwindow->undo->update_undo_after(_("camera"), LOAD_AUTOMATION);
3347                         break;
3348
3349                 case CWINDOW_PROJECTOR:
3350                         mwindow->undo->update_undo_after(_("projector"), LOAD_AUTOMATION);
3351                         break;
3352
3353                 case CWINDOW_MASK:
3354                 case CWINDOW_MASK_CONTROL_IN:
3355                 case CWINDOW_MASK_CONTROL_OUT:
3356                 case CWINDOW_MASK_TRANSLATE:
3357 // Finish mask operation
3358                         gui->mask_keyframe = 0;
3359                         mwindow->undo->update_undo_after(_("mask"), LOAD_AUTOMATION);
3360                         break;
3361                 case CWINDOW_NONE:
3362                         result = Canvas::button_release_event();
3363                         break;
3364         }
3365
3366         gui->current_operation = CWINDOW_NONE;
3367         return result;
3368 }
3369
3370 void CWindowCanvas::zoom_resize_window(float percentage)
3371 {
3372         int canvas_w, canvas_h;
3373         int new_w, new_h;
3374
3375
3376 // Get required canvas size
3377         calculate_sizes(mwindow->edl->get_aspect_ratio(),
3378                 mwindow->edl->session->output_w,
3379                 mwindow->edl->session->output_h,
3380                 percentage,
3381                 canvas_w,
3382                 canvas_h);
3383
3384 // Estimate window size from current borders
3385         new_w = canvas_w + (gui->get_w() - mwindow->theme->ccanvas_w);
3386         new_h = canvas_h + (gui->get_h() - mwindow->theme->ccanvas_h);
3387
3388 //printf("CWindowCanvas::zoom_resize_window %d %d %d\n", __LINE__, new_w, new_h);
3389         mwindow->session->cwindow_w = new_w;
3390         mwindow->session->cwindow_h = new_h;
3391
3392         mwindow->theme->get_cwindow_sizes(gui,
3393                 mwindow->session->cwindow_controls);
3394
3395 // Estimate again from new borders
3396         new_w = canvas_w + (mwindow->session->cwindow_w - mwindow->theme->ccanvas_w);
3397         new_h = canvas_h + (mwindow->session->cwindow_h - mwindow->theme->ccanvas_h);
3398 //printf("CWindowCanvas::zoom_resize_window %d %d %d\n", __LINE__, new_w, new_h);
3399
3400         gui->resize_window(new_w, new_h);
3401         gui->resize_event(new_w, new_h);
3402 }
3403
3404 void CWindowCanvas::toggle_controls()
3405 {
3406         mwindow->session->cwindow_controls = !mwindow->session->cwindow_controls;
3407         gui->resize_event(gui->get_w(), gui->get_h());
3408 }
3409
3410 int CWindowCanvas::get_cwindow_controls()
3411 {
3412         return mwindow->session->cwindow_controls;
3413 }
3414
3415
3416