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         EDL *edl = mwindow->edl;
 400         edl->session->cwindow_scrollbars = !value ? 0 : 1;
 401         if( value ) {
 402                 float cx = 0.5f * canvas->w;  x = cx;
 403                 float cy = 0.5f * canvas->h;  y = cy;
 404                 canvas->canvas_to_output(edl, 0, x, y);
 405                 canvas->update_zoom(0, 0, zoom);
 406                 float zoom_x, zoom_y, conformed_w, conformed_h;
 407                 canvas->get_zooms(edl, 0, zoom_x, zoom_y, conformed_w, conformed_h);
 408                 x -= cx / zoom_x;
 409                 y -= cy / zoom_y;
 410
 411         }
 412         canvas->update_zoom((int)(x+0.5), (int)(y+0.5), zoom);
 413
 414         if( update_menu )
 415                 zoom_panel->update(value);
 416         if( mwindow->edl->session->cwindow_operation == CWINDOW_ZOOM )
 417                 composite_panel->cpanel_zoom->update(zoom);
 418
 419         canvas->reposition_window(mwindow->edl,
 420                 mwindow->theme->ccanvas_x, mwindow->theme->ccanvas_y,
 421                 mwindow->theme->ccanvas_w, mwindow->theme->ccanvas_h);
 422         canvas->draw_refresh();
 423 }
 424
 425 void CWindowGUI::set_operation(int value)
 426 {
 427         switch( value ) {
 428         case CWINDOW_TOOL_WINDOW:
 429                 mwindow->edl->session->tool_window = !mwindow->edl->session->tool_window;
 430                 composite_panel->operation[CWINDOW_TOOL_WINDOW]->update(mwindow->edl->session->tool_window);
 431                 tool_panel->update_show_window();
 432                 return;
 433         case CWINDOW_TITLESAFE:
 434                 mwindow->edl->session->safe_regions = !mwindow->edl->session->safe_regions;
 435                 composite_panel->operation[CWINDOW_TITLESAFE]->update(mwindow->edl->session->safe_regions);
 436                 value = mwindow->edl->session->cwindow_operation;
 437                 break;
 438         default:
 439                 mwindow->edl->session->cwindow_operation = value;
 440                 composite_panel->set_operation(value);
 441                 break;
 442         }
 443
 444         edit_panel->update();
 445         tool_panel->start_tool(value);
 446         canvas->draw_refresh();
 447 }
 448
 449 void CWindowGUI::update_tool()
 450 {
 451         tool_panel->update_values();
 452 }
 453
 454 int CWindowGUI::close_event()
 455 {
 456         cwindow->hide_window();
 457         return 1;
 458 }
 459
 460
 461 int CWindowGUI::keypress_event()
 462 {
 463         int result = 0;
 464         int cwindow_operation = CWINDOW_NONE;
 465
 466         switch( get_keypress() ) {
 467         case 'w':
 468         case 'W':
 469                 close_event();
 470                 result = 1;
 471                 break;
 472         case '+':
 473         case '=':
 474                 keyboard_zoomin();
 475                 result = 1;
 476                 break;
 477         case '-':
 478                 keyboard_zoomout();
 479                 result = 1;
 480                 break;
 481         case 'f':
 482                 unlock_window();
 483                 if( canvas->get_fullscreen() )
 484                         canvas->stop_fullscreen();
 485                 else
 486                         canvas->start_fullscreen();
 487                 lock_window("CWindowGUI::keypress_event 1");
 488                 result = 1;
 489                 break;
 490         case 'x':
 491                 if( ctrl_down() || shift_down() || alt_down() ) break;
 492                 unlock_window();
 493                 mwindow->gui->lock_window("CWindowGUI::keypress_event 2");
 494                 mwindow->cut();
 495                 mwindow->gui->unlock_window();
 496                 lock_window("CWindowGUI::keypress_event 2");
 497                 result = 1;
 498                 break;
 499         case DELETE:
 500                 unlock_window();
 501                 mwindow->gui->lock_window("CWindowGUI::keypress_event 2");
 502                 mwindow->clear_entry();
 503                 mwindow->gui->unlock_window();
 504                 lock_window("CWindowGUI::keypress_event 3");
 505                 result = 1;
 506                 break;
 507         case ESC:
 508                 unlock_window();
 509                 if( canvas->get_fullscreen() )
 510                         canvas->stop_fullscreen();
 511                 lock_window("CWindowGUI::keypress_event 4");
 512                 result = 1;
 513                 break;
 514         case LEFT:
 515                 if( !ctrl_down() ) {
 516                         int alt_down = this->alt_down();
 517                         int shift_down = this->shift_down();
 518                         unlock_window();
 519                         stop_transport(0);
 520                         mwindow->gui->lock_window("CWindowGUI::keypress_event 5");
 521                         if( alt_down )
 522                                 mwindow->prev_edit_handle(shift_down);
 523                         else
 524                                 mwindow->move_left();
 525                         mwindow->gui->unlock_window();
 526                         lock_window("CWindowGUI::keypress_event 6");
 527                         result = 1;
 528                 }
 529                 break;
 530
 531         case ',':
 532                 if( !ctrl_down() && !alt_down() ) {
 533                         unlock_window();
 534                         stop_transport(0);
 535                         mwindow->gui->lock_window("CWindowGUI::keypress_event 7");
 536                         mwindow->move_left();
 537                         mwindow->gui->unlock_window();
 538                         lock_window("CWindowGUI::keypress_event 8");
 539                         result = 1;
 540                 }
 541                 break;
 542
 543         case RIGHT:
 544                 if( !ctrl_down() ) {
 545                         int alt_down = this->alt_down();
 546                         int shift_down = this->shift_down();
 547                         unlock_window();
 548                         stop_transport(0);
 549                         mwindow->gui->lock_window("CWindowGUI::keypress_event 8");
 550                         if( alt_down )
 551                                 mwindow->next_edit_handle(shift_down);
 552                         else
 553                                 mwindow->move_right();
 554                         mwindow->gui->unlock_window();
 555                         lock_window("CWindowGUI::keypress_event 9");
 556                         result = 1;
 557                 }
 558                 break;
 559
 560         case '.':
 561                 if( !ctrl_down() && !alt_down() ) {
 562                         unlock_window();
 563                         stop_transport(0);
 564                         mwindow->gui->lock_window("CWindowGUI::keypress_event 10");
 565                         mwindow->move_right();
 566                         mwindow->gui->unlock_window();
 567                         lock_window("CWindowGUI::keypress_event 11");
 568                         result = 1;
 569                 }
 570                 break;
 571         }
 572
 573         if( !result && cwindow_operation < 0 && ctrl_down() && shift_down() ) {
 574                 switch( get_keypress() ) {
 575                 case KEY_F1 ... KEY_F4: // mainmenu, load layout
 576                         resend_event(mwindow->gui);
 577                         result = 1;
 578                         break;
 579                 }
 580         }
 581         if( !result && !ctrl_down() ) {
 582                 switch( get_keypress() ) {
 583                 case KEY_F1:
 584                         if( shift_down() ) {
 585                                 mwindow->toggle_camera_xyz();  result = 1;
 586                         }
 587                         else
 588                                 cwindow_operation = CWINDOW_PROTECT;
 589                         break;
 590                 case KEY_F2:
 591                         if( shift_down() ) {
 592                                 mwindow->toggle_projector_xyz();  result = 1;
 593                         }
 594                         else
 595                                 cwindow_operation = CWINDOW_ZOOM;
 596                         break;
 597                 }
 598         }
 599         if( !result && cwindow_operation < 0 && !ctrl_down() && !shift_down() ) {
 600                 switch( get_keypress() ) {
 601                 case KEY_F3:    cwindow_operation = CWINDOW_MASK;       break;
 602                 case KEY_F4:    cwindow_operation = CWINDOW_RULER;      break;
 603                 case KEY_F5:    cwindow_operation = CWINDOW_CAMERA;     break;
 604                 case KEY_F6:    cwindow_operation = CWINDOW_PROJECTOR;  break;
 605                 case KEY_F7:    cwindow_operation = CWINDOW_CROP;       break;
 606                 case KEY_F8:    cwindow_operation = CWINDOW_EYEDROP;    break;
 607                 case KEY_F9:    cwindow_operation = CWINDOW_TOOL_WINDOW; break;
 608                 case KEY_F10:   cwindow_operation = CWINDOW_TITLESAFE;  break;
 609                 }
 610         }
 611         if( !result && cwindow_operation < 0 && !ctrl_down() ) {
 612                 switch( get_keypress() ) {
 613                 case KEY_F11:
 614                         if( !shift_down() )
 615                                 canvas->reset_camera();
 616                         else
 617                                 canvas->camera_keyframe();
 618                         result = 1;
 619                         break;
 620                 case KEY_F12:
 621                         if( !shift_down() )
 622                                 canvas->reset_projector();
 623                         else
 624                                 canvas->projector_keyframe();
 625                         result = 1;
 626                         break;
 627                 }
 628         }
 629
 630         if( cwindow_operation >= 0 ) {
 631                 set_operation(cwindow_operation);
 632                 result = 1;
 633         }
 634
 635         if( !result )
 636                 result = transport->keypress_event();
 637
 638         return result;
 639 }
 640
 641
 642 void CWindowGUI::reset_affected()
 643 {
 644         affected_x = 0;
 645         affected_y = 0;
 646         affected_z = 0;
 647 }
 648
 649 void CWindowGUI::keyboard_zoomin()
 650 {
 651 //      if(mwindow->edl->session->cwindow_scrollbars)
 652 //      {
 653                 zoom_panel->zoom_tumbler->handle_up_event();
 654 //      }
 655 //      else
 656 //      {
 657 //      }
 658 }
 659
 660 void CWindowGUI::keyboard_zoomout()
 661 {
 662 //      if(mwindow->edl->session->cwindow_scrollbars)
 663 //      {
 664                 zoom_panel->zoom_tumbler->handle_down_event();
 665 //      }
 666 //      else
 667 //      {
 668 //      }
 669 }
 670
 671 void CWindowGUI::sync_parameters(int change_type, int redraw, int overlay)
 672 {
 673         if( redraw ) {
 674                 update_tool();
 675                 canvas->draw_refresh();
 676         }
 677         if( change_type < 0 && !overlay ) return;
 678         unlock_window();
 679         if( change_type >= 0 ) {
 680                 mwindow->restart_brender();
 681                 mwindow->sync_parameters(change_type);
 682         }
 683         if( overlay ) {
 684                 mwindow->gui->lock_window("CWindowGUI::sync_parameters");
 685                 mwindow->gui->draw_overlays(1);
 686                 mwindow->gui->unlock_window();
 687         }
 688         lock_window("CWindowGUI::sync_parameters");
 689 }
 690
 691 void CWindowGUI::drag_motion()
 692 {
 693         if(get_hidden()) return;
 694
 695         if(mwindow->session->current_operation != DRAG_ASSET &&
 696                 mwindow->session->current_operation != DRAG_VTRANSITION &&
 697                 mwindow->session->current_operation != DRAG_VEFFECT) return;
 698         int need_highlight = cursor_above() && get_cursor_over_window();
 699         if( highlighted == need_highlight ) return;
 700         highlighted = need_highlight;
 701         canvas->draw_refresh();
 702 }
 703
 704 int CWindowGUI::drag_stop()
 705 {
 706         int result = 0;
 707         if(get_hidden()) return 0;
 708         if( !highlighted ) return 0;
 709         if( mwindow->session->current_operation != DRAG_ASSET &&
 710             mwindow->session->current_operation != DRAG_VTRANSITION &&
 711             mwindow->session->current_operation != DRAG_VEFFECT) return 0;
 712         highlighted = 0;
 713         canvas->draw_refresh();
 714         result = 1;
 715
 716         if(mwindow->session->current_operation == DRAG_ASSET)
 717         {
 718                 if(mwindow->session->drag_assets->total ||
 719                         mwindow->session->drag_clips->total)
 720                 {
 721                         mwindow->gui->lock_window("CWindowGUI::drag_stop 1");
 722                         mwindow->undo->update_undo_before(_("insert assets"), 0);
 723                 }
 724
 725                 if(mwindow->session->drag_assets->total)
 726                 {
 727                         mwindow->clear(0);
 728                         mwindow->load_assets(mwindow->session->drag_assets,
 729                                 mwindow->edl->local_session->get_selectionstart(),
 730                                 LOADMODE_PASTE,
 731                                 mwindow->session->track_highlighted,
 732                                 0,
 733                                 mwindow->edl->session->labels_follow_edits,
 734                                 mwindow->edl->session->plugins_follow_edits,
 735                                 mwindow->edl->session->autos_follow_edits,
 736                                 0); // overwrite
 737                 }
 738
 739                 if(mwindow->session->drag_clips->total)
 740                 {
 741                         mwindow->clear(0);
 742                         mwindow->paste_edls(mwindow->session->drag_clips,
 743                                 LOADMODE_PASTE,
 744                                 mwindow->session->track_highlighted,
 745                                 mwindow->edl->local_session->get_selectionstart(),
 746                                 mwindow->edl->session->labels_follow_edits,
 747                                 mwindow->edl->session->plugins_follow_edits,
 748                                 mwindow->edl->session->autos_follow_edits,
 749                                 0); // overwrite
 750                 }
 751
 752                 if(mwindow->session->drag_assets->total ||
 753                         mwindow->session->drag_clips->total)
 754                 {
 755                         mwindow->save_backup();
 756                         mwindow->restart_brender();
 757                         mwindow->gui->update(1, NORMAL_DRAW, 1, 1, 0, 1, 0);
 758                         mwindow->undo->update_undo_after(_("insert assets"), LOAD_ALL);
 759                         mwindow->gui->unlock_window();
 760                         sync_parameters(CHANGE_ALL);
 761                 }
 762         }
 763
 764         if(mwindow->session->current_operation == DRAG_VEFFECT)
 765         {
 766 //printf("CWindowGUI::drag_stop 1\n");
 767                 Track *affected_track = cwindow->calculate_affected_track();
 768 //printf("CWindowGUI::drag_stop 2\n");
 769
 770                 mwindow->gui->lock_window("CWindowGUI::drag_stop 3");
 771                 mwindow->insert_effects_cwindow(affected_track);
 772                 mwindow->session->current_operation = NO_OPERATION;
 773                 mwindow->gui->unlock_window();
 774         }
 775
 776         if(mwindow->session->current_operation == DRAG_VTRANSITION)
 777         {
 778                 Track *affected_track = cwindow->calculate_affected_track();
 779                 mwindow->gui->lock_window("CWindowGUI::drag_stop 4");
 780                 mwindow->paste_transition_cwindow(affected_track);
 781                 mwindow->session->current_operation = NO_OPERATION;
 782                 mwindow->gui->unlock_window();
 783         }
 784
 785         return result;
 786 }
 787
 788 void CWindowGUI::update_meters()
 789 {
 790         if(mwindow->edl->session->cwindow_meter != meters->visible)
 791         {
 792                 meters->set_meters(meters->meter_count, mwindow->edl->session->cwindow_meter);
 793                 mwindow->theme->get_cwindow_sizes(this, mwindow->session->cwindow_controls);
 794                 resize_event(get_w(), get_h());
 795         }
 796 }
 797
 798 void CWindowGUI::stop_transport(const char *lock_msg)
 799 {
 800         if( lock_msg ) unlock_window();
 801         mwindow->stop_transport();
 802         if( lock_msg ) lock_window(lock_msg);
 803 }
 804
 805
 806 CWindowEditing::CWindowEditing(MWindow *mwindow, CWindow *cwindow)
 807  : EditPanel(mwindow, cwindow->gui, CWINDOW_ID,
 808                 mwindow->theme->cedit_x, mwindow->theme->cedit_y,
 809                 mwindow->edl->session->editing_mode,
 810                 0, // use_editing_mode
 811                 1, // use_keyframe
 812                 0, // use_splice
 813                 0, // use_overwrite
 814                 1, // use_copy
 815                 1, // use_paste
 816                 1, // use_undo
 817                 0, // use_fit
 818                 0, // locklabels
 819                 1, // use_labels
 820                 1, // use_toclip
 821                 1, // use_meters
 822                 1, // use_cut
 823                 0, // use_commerical
 824                 0, // use_goto
 825                 1) // use_clk2play
 826 {
 827         this->mwindow = mwindow;
 828         this->cwindow = cwindow;
 829 }
 830
 831 #define relock_cm(s) \
 832  cwindow->gui->unlock_window(); \
 833  mwindow->gui->lock_window("CWindowEditing::" s)
 834 #define relock_mc(s) \
 835  mwindow->gui->unlock_window(); \
 836  cwindow->gui->lock_window("CWindowEditing::" s)
 837 #define panel_fn(fn, args, s) \
 838  CWindowEditing::fn args { relock_cm(#fn); s; relock_mc(#fn); }
 839
 840 // transmit lock to mwindow, and run mbutton->edit_panel->s
 841 #define panel_btn(fn, args, s) \
 842  panel_fn(panel_##fn, args, mwindow->gui->mbuttons->edit_panel->panel_##s)
 843
 844
 845 double CWindowEditing::get_position()
 846 {
 847         relock_cm("get_position");
 848         double ret = mwindow->edl->local_session->get_selectionstart(1);
 849         relock_mc("get_position");
 850         return ret;
 851 }
 852
 853 void CWindowEditing::set_position(double position)
 854 {
 855         relock_cm("set_position");
 856         mwindow->gui->mbuttons->edit_panel->set_position(position);
 857         relock_mc("set_position");
 858 }
 859
 860 void CWindowEditing::set_click_to_play(int v)
 861 {
 862         relock_cm("set_position");
 863         mwindow->edl->session->cwindow_click2play = v;
 864         relock_mc("set_position");
 865         click2play->update(v);
 866 }
 867
 868
 869 void panel_btn(stop_transport,(), stop_transport())
 870 void panel_btn(toggle_label,(), toggle_label())
 871 void panel_btn(next_label,(int cut), next_label(cut))
 872 void panel_btn(prev_label,(int cut), prev_label(cut))
 873 void panel_btn(next_edit,(int cut), next_edit(cut))
 874 void panel_btn(prev_edit,(int cut), prev_edit(cut))
 875 void panel_fn(panel_copy_selection,(), mwindow->copy())
 876 void CWindowEditing::panel_overwrite_selection() {} // not used
 877 void CWindowEditing::panel_splice_selection() {} // not used
 878 void panel_btn(set_inpoint,(), set_inpoint())
 879 void panel_btn(set_outpoint,(), set_outpoint())
 880 void panel_btn(unset_inoutpoint,(), unset_inoutpoint())
 881 void panel_fn(panel_to_clip,(), mwindow->to_clip(mwindow->edl, _("main window: "), 0))
 882 void panel_btn(cut,(), cut())
 883 void panel_btn(paste,(), paste())
 884 void panel_btn(fit_selection,(), fit_selection())
 885 void panel_btn(fit_autos,(int all), fit_autos(all))
 886 void panel_btn(set_editing_mode,(int mode), set_editing_mode(mode))
 887 void panel_btn(set_auto_keyframes,(int v), set_auto_keyframes(v))
 888 void panel_btn(set_labels_follow_edits,(int v), set_labels_follow_edits(v))
 889
 890
 891 CWindowMeters::CWindowMeters(MWindow *mwindow,
 892         CWindowGUI *gui, int x, int y, int h)
 893  : MeterPanel(mwindow, gui, x, y, -1, h,
 894                 mwindow->edl->session->audio_channels,
 895                 mwindow->edl->session->cwindow_meter,
 896                 0, 0)
 897 {
 898         this->mwindow = mwindow;
 899         this->gui = gui;
 900 }
 901
 902 CWindowMeters::~CWindowMeters()
 903 {
 904 }
 905
 906 int CWindowMeters::change_status_event(int new_status)
 907 {
 908         mwindow->edl->session->cwindow_meter = new_status;
 909         gui->update_meters();
 910         return 1;
 911 }
 912
 913
 914
 915
 916 CWindowZoom::CWindowZoom(MWindow *mwindow, CWindowGUI *gui, int x, int y, int w)
 917  : ZoomPanel(mwindow, gui, (double)mwindow->edl->session->cwindow_zoom,
 918         x, y, w, my_zoom_table, total_zooms, ZOOM_PERCENTAGE)
 919 {
 920         this->mwindow = mwindow;
 921         this->gui = gui;
 922 }
 923
 924 CWindowZoom::~CWindowZoom()
 925 {
 926 }
 927
 928 void CWindowZoom::update(double value)
 929 {
 930         char string[BCSTRLEN];
 931         const char *cp = string;
 932         if( value ) {
 933                 this->value = value;
 934                 int frac = value >= 1.0f ? 1 :
 935                            value >= 0.1f ? 2 :
 936                            value >= .01f ? 3 : 4;
 937                 sprintf(string, "x %.*f", frac, value);
 938         }
 939         else
 940                 cp = gui->auto_zoom;
 941         ZoomPanel::update(cp);
 942 }
 943
 944 int CWindowZoom::handle_event()
 945 {
 946         double value = !strcasecmp(gui->auto_zoom, get_text()) ? 0 : get_value();
 947         gui->zoom_canvas(value, 0);
 948         return 1;
 949 }
 950
 951
 952
 953 #ifdef USE_SLIDER
 954 CWindowSlider::CWindowSlider(MWindow *mwindow, CWindow *cwindow, int x, int y, int pixels)
 955  : BC_PercentageSlider(x,
 956                         y,
 957                         0,
 958                         pixels,
 959                         pixels,
 960                         0,
 961                         1,
 962                         0)
 963 {
 964         this->mwindow = mwindow;
 965         this->cwindow = cwindow;
 966         set_precision(0.00001);
 967 }
 968
 969 CWindowSlider::~CWindowSlider()
 970 {
 971 }
 972
 973 int CWindowSlider::handle_event()
 974 {
 975         cwindow->update_position((double)get_value());
 976         return 1;
 977 }
 978
 979 void CWindowSlider::set_position()
 980 {
 981         double new_length = mwindow->edl->tracks->total_length();
 982         update(mwindow->theme->cslider_w,
 983                 mwindow->edl->local_session->get_selectionstart(1),
 984                 0, new_length);
 985 }
 986
 987
 988 int CWindowSlider::increase_value()
 989 {
 990         unlock_window();
 991         cwindow->gui->transport->handle_transport(SINGLE_FRAME_FWD);
 992         lock_window("CWindowSlider::increase_value");
 993         return 1;
 994 }
 995
 996 int CWindowSlider::decrease_value()
 997 {
 998         unlock_window();
 999         cwindow->gui->transport->handle_transport(SINGLE_FRAME_REWIND);
1000         lock_window("CWindowSlider::decrease_value");
1001         return 1;
1002 }
1003
1004
1005 // CWindowDestination::CWindowDestination(MWindow *mwindow, CWindowGUI *cwindow, int x, int y)
1006 //  : BC_PopupTextBox(cwindow,
1007 //      &cwindow->destinations,
1008 //      cwindow->destinations.values[cwindow->cwindow->destination]->get_text(),
1009 //      x,
1010 //      y,
1011 //      70,
1012 //      200)
1013 // {
1014 //      this->mwindow = mwindow;
1015 //      this->cwindow = cwindow;
1016 // }
1017 //
1018 // CWindowDestination::~CWindowDestination()
1019 // {
1020 // }
1021 //
1022 // int CWindowDestination::handle_event()
1023 // {
1024 //      return 1;
1025 // }
1026 #endif // USE_SLIDER
1027
1028
1029
1030
1031
1032
1033 CWindowTransport::CWindowTransport(MWindow *mwindow,
1034         CWindowGUI *gui,
1035         int x,
1036         int y)
1037  : PlayTransport(mwindow,
1038         gui,
1039         x,
1040         y)
1041 {
1042         this->gui = gui;
1043 }
1044
1045 EDL* CWindowTransport::get_edl()
1046 {
1047         return mwindow->edl;
1048 }
1049
1050 void CWindowTransport::goto_start()
1051 {
1052         gui->unlock_window();
1053         handle_transport(REWIND, 1);
1054
1055         mwindow->gui->lock_window("CWindowTransport::goto_start 1");
1056         mwindow->goto_start();
1057         mwindow->gui->unlock_window();
1058
1059         gui->lock_window("CWindowTransport::goto_start 2");
1060 }
1061
1062 void CWindowTransport::goto_end()
1063 {
1064         gui->unlock_window();
1065         handle_transport(GOTO_END, 1);
1066
1067         mwindow->gui->lock_window("CWindowTransport::goto_end 1");
1068         mwindow->goto_end();
1069         mwindow->gui->unlock_window();
1070
1071         gui->lock_window("CWindowTransport::goto_end 2");
1072 }
1073
1074
1075
1076 CWindowCanvas::CWindowCanvas(MWindow *mwindow, CWindowGUI *gui)
1077  : Canvas(mwindow,
1078         gui,
1079         mwindow->theme->ccanvas_x,
1080         mwindow->theme->ccanvas_y,
1081         mwindow->theme->ccanvas_w,
1082         mwindow->theme->ccanvas_h,
1083         0,
1084         0,
1085         mwindow->edl->session->cwindow_scrollbars)
1086 {
1087         this->mwindow = mwindow;
1088         this->gui = gui;
1089 }
1090
1091 void CWindowCanvas::status_event()
1092 {
1093         gui->draw_status(1);
1094 }
1095
1096 void CWindowCanvas::update_zoom(int x, int y, float zoom)
1097 {
1098         use_scrollbars = mwindow->edl->session->cwindow_scrollbars;
1099
1100         mwindow->edl->session->cwindow_xscroll = x;
1101         mwindow->edl->session->cwindow_yscroll = y;
1102         mwindow->edl->session->cwindow_zoom = zoom;
1103 }
1104
1105 void CWindowCanvas::zoom_auto()
1106 {
1107         gui->zoom_canvas(0, 1);
1108 }
1109
1110 int CWindowCanvas::get_xscroll()
1111 {
1112         return mwindow->edl->session->cwindow_xscroll;
1113 }
1114
1115 int CWindowCanvas::get_yscroll()
1116 {
1117         return mwindow->edl->session->cwindow_yscroll;
1118 }
1119
1120
1121 float CWindowCanvas::get_zoom()
1122 {
1123         return mwindow->edl->session->cwindow_zoom;
1124 }
1125
1126 void CWindowCanvas::draw_refresh(int flush)
1127 {
1128         if( get_canvas() && !get_canvas()->get_video_on() ) {
1129                 clear(0);
1130                 if( mwindow->uses_opengl() ) {
1131                         get_canvas()->unlock_window();
1132                         get_canvas()->flush();
1133                         get_canvas()->sync_display();
1134                         mwindow->playback_3d->finish_output();
1135                         get_canvas()->lock_window("CWindowCanvas::draw_refresh");
1136                 }
1137                 if( refresh_frame && refresh_frame->get_w()>0 && refresh_frame->get_h()>0 ) {
1138                         float in_x1, in_y1, in_x2, in_y2;
1139                         float out_x1, out_y1, out_x2, out_y2;
1140                         get_transfers(mwindow->edl,
1141                                 in_x1, in_y1, in_x2, in_y2,
1142                                 out_x1, out_y1, out_x2, out_y2);
1143
1144
1145 //printf("CWindowCanvas::draw_refresh %.2f %.2f %.2f %.2f -> %.2f %.2f %.2f %.2f\n",
1146 //in_x1, in_y1, in_x2, in_y2, out_x1, out_y1, out_x2, out_y2);
1147
1148
1149                         if( out_x2 > out_x1 && out_y2 > out_y1 &&
1150                             in_x2 > in_x1 && in_y2 > in_y1 ) {
1151 // input scaled from session to refresh frame coordinates
1152                                 int ow = get_output_w(mwindow->edl);
1153                                 int oh = get_output_h(mwindow->edl);
1154                                 int rw = refresh_frame->get_w();
1155                                 int rh = refresh_frame->get_h();
1156                                 float xs = (float)rw / ow;
1157                                 float ys = (float)rh / oh;
1158                                 in_x1 *= xs;  in_x2 *= xs;
1159                                 in_y1 *= ys;  in_y2 *= ys;
1160 // Can't use OpenGL here because it is called asynchronously of the
1161 // playback operation.
1162                                 get_canvas()->draw_vframe(refresh_frame,
1163                                                 (int)out_x1, (int)out_y1,
1164                                                 (int)(out_x2 - out_x1),
1165                                                 (int)(out_y2 - out_y1),
1166                                                 (int)in_x1, (int)in_y1,
1167                                                 (int)(in_x2 - in_x1),
1168                                                 (int)(in_y2 - in_y1),
1169                                                 0);
1170                         }
1171                 }
1172 //usleep(10000);
1173                 draw_overlays();
1174                 get_canvas()->flash(flush);
1175         }
1176 //printf("CWindowCanvas::draw_refresh 10\n");
1177 }
1178
1179 #define CROPHANDLE_W 10
1180 #define CROPHANDLE_H 10
1181
1182 void CWindowCanvas::draw_crophandle(int x, int y)
1183 {
1184         get_canvas()->draw_box(x, y, CROPHANDLE_W, CROPHANDLE_H);
1185 }
1186
1187
1188
1189
1190
1191
1192 #define CONTROL_W 10
1193 #define CONTROL_H 10
1194 #define FIRST_CONTROL_W 20
1195 #define FIRST_CONTROL_H 20
1196 #undef BC_INFINITY
1197 #define BC_INFINITY 65536
1198
1199 #define RULERHANDLE_W 16
1200 #define RULERHANDLE_H 16
1201
1202
1203
1204 int CWindowCanvas::do_ruler(int draw,
1205         int motion,
1206         int button_press,
1207         int button_release)
1208 {
1209         int result = 0;
1210         float x1 = mwindow->edl->session->ruler_x1;
1211         float y1 = mwindow->edl->session->ruler_y1;
1212         float x2 = mwindow->edl->session->ruler_x2;
1213         float y2 = mwindow->edl->session->ruler_y2;
1214         float canvas_x1 = x1;
1215         float canvas_y1 = y1;
1216         float canvas_x2 = x2;
1217         float canvas_y2 = y2;
1218         float output_x = get_cursor_x();
1219         float output_y = get_cursor_y();
1220         float canvas_cursor_x = output_x;
1221         float canvas_cursor_y = output_y;
1222
1223         canvas_to_output(mwindow->edl, 0, output_x, output_y);
1224         output_to_canvas(mwindow->edl, 0, canvas_x1, canvas_y1);
1225         output_to_canvas(mwindow->edl, 0, canvas_x2, canvas_y2);
1226         mwindow->session->cwindow_output_x = roundf(output_x);
1227         mwindow->session->cwindow_output_y = roundf(output_y);
1228
1229         if(button_press && get_buttonpress() == 1)
1230         {
1231                 gui->ruler_handle = -1;
1232                 gui->ruler_translate = 0;
1233                 if(gui->alt_down())
1234                 {
1235                         gui->ruler_translate = 1;
1236                         gui->ruler_origin_x = x1;
1237                         gui->ruler_origin_y = y1;
1238                 }
1239                 else
1240                 if(canvas_cursor_x >= canvas_x1 - RULERHANDLE_W / 2 &&
1241                         canvas_cursor_x < canvas_x1 + RULERHANDLE_W / 2 &&
1242                         canvas_cursor_y >= canvas_y1 - RULERHANDLE_W &&
1243                         canvas_cursor_y < canvas_y1 + RULERHANDLE_H / 2)
1244                 {
1245                         gui->ruler_handle = 0;
1246                         gui->ruler_origin_x = x1;
1247                         gui->ruler_origin_y = y1;
1248                 }
1249                 else
1250                 if(canvas_cursor_x >= canvas_x2 - RULERHANDLE_W / 2 &&
1251                         canvas_cursor_x < canvas_x2 + RULERHANDLE_W / 2 &&
1252                         canvas_cursor_y >= canvas_y2 - RULERHANDLE_W &&
1253                         canvas_cursor_y < canvas_y2 + RULERHANDLE_H / 2)
1254                 {
1255                         gui->ruler_handle = 1;
1256                         gui->ruler_origin_x = x2;
1257                         gui->ruler_origin_y = y2;
1258                 }
1259
1260
1261 // Start new selection
1262                 if(!gui->ruler_translate &&
1263                         (gui->ruler_handle < 0 ||
1264                         (EQUIV(x2, x1) &&
1265                         EQUIV(y2, y1))))
1266                 {
1267 // Hide previous
1268                         do_ruler(1, 0, 0, 0);
1269                         get_canvas()->flash();
1270                         gui->ruler_handle = 1;
1271                         mwindow->edl->session->ruler_x1 = output_x;
1272                         mwindow->edl->session->ruler_y1 = output_y;
1273                         mwindow->edl->session->ruler_x2 = output_x;
1274                         mwindow->edl->session->ruler_y2 = output_y;
1275                         gui->ruler_origin_x = mwindow->edl->session->ruler_x2;
1276                         gui->ruler_origin_y = mwindow->edl->session->ruler_y2;
1277                 }
1278
1279                 gui->x_origin = output_x;
1280                 gui->y_origin = output_y;
1281                 gui->current_operation = CWINDOW_RULER;
1282                 gui->tool_panel->raise_window();
1283                 result = 1;
1284         }
1285
1286         if(motion)
1287         {
1288                 if(gui->current_operation == CWINDOW_RULER)
1289                 {
1290                         if(gui->ruler_translate)
1291                         {
1292 // Hide ruler
1293                                 do_ruler(1, 0, 0, 0);
1294                                 float x_difference = mwindow->edl->session->ruler_x1;
1295                                 float y_difference = mwindow->edl->session->ruler_y1;
1296                                 mwindow->edl->session->ruler_x1 = output_x - gui->x_origin + gui->ruler_origin_x;
1297                                 mwindow->edl->session->ruler_y1 = output_y - gui->y_origin + gui->ruler_origin_y;
1298                                 x_difference -= mwindow->edl->session->ruler_x1;
1299                                 y_difference -= mwindow->edl->session->ruler_y1;
1300                                 mwindow->edl->session->ruler_x2 -= x_difference;
1301                                 mwindow->edl->session->ruler_y2 -= y_difference;
1302 // Show ruler
1303                                 do_ruler(1, 0, 0, 0);
1304                                 get_canvas()->flash();
1305                                 gui->update_tool();
1306                         }
1307                         else
1308                         switch(gui->ruler_handle)
1309                         {
1310                                 case 0:
1311                                         do_ruler(1, 0, 0, 0);
1312                                         mwindow->edl->session->ruler_x1 = output_x - gui->x_origin + gui->ruler_origin_x;
1313                                         mwindow->edl->session->ruler_y1 = output_y - gui->y_origin + gui->ruler_origin_y;
1314                                         if(gui->alt_down() || gui->ctrl_down())
1315                                         {
1316                                                 double angle_value = fabs(atan((mwindow->edl->session->ruler_y2 - mwindow->edl->session->ruler_y1) /
1317                                                         (mwindow->edl->session->ruler_x2 - mwindow->edl->session->ruler_x1)) *
1318                                                         360 /
1319                                                         2 /
1320                                                         M_PI);
1321                                                 double distance_value =
1322                                                         sqrt(SQR(mwindow->edl->session->ruler_x2 - mwindow->edl->session->ruler_x1) +
1323                                                         SQR(mwindow->edl->session->ruler_y2 - mwindow->edl->session->ruler_y1));
1324                                                 if(angle_value < 22)
1325                                                         mwindow->edl->session->ruler_y1 = mwindow->edl->session->ruler_y2;
1326                                                 else
1327                                                 if(angle_value > 67)
1328                                                         mwindow->edl->session->ruler_x1 = mwindow->edl->session->ruler_x2;
1329                                                 else
1330                                                 if(mwindow->edl->session->ruler_x1 < mwindow->edl->session->ruler_x2 &&
1331                                                         mwindow->edl->session->ruler_y1 < mwindow->edl->session->ruler_y2)
1332                                                 {
1333                                                         mwindow->edl->session->ruler_x1 = mwindow->edl->session->ruler_x2 - distance_value / 1.414214;
1334                                                         mwindow->edl->session->ruler_y1 = mwindow->edl->session->ruler_y2 - distance_value / 1.414214;
1335                                                 }
1336                                                 else
1337                                                 if(mwindow->edl->session->ruler_x1 < mwindow->edl->session->ruler_x2 && mwindow->edl->session->ruler_y1 > mwindow->edl->session->ruler_y2)
1338                                                 {
1339                                                         mwindow->edl->session->ruler_x1 = mwindow->edl->session->ruler_x2 - distance_value / 1.414214;
1340                                                         mwindow->edl->session->ruler_y1 = mwindow->edl->session->ruler_y2 + distance_value / 1.414214;
1341                                                 }
1342                                                 else
1343                                                 if(mwindow->edl->session->ruler_x1 > mwindow->edl->session->ruler_x2 &&
1344                                                         mwindow->edl->session->ruler_y1 < mwindow->edl->session->ruler_y2)
1345                                                 {
1346                                                         mwindow->edl->session->ruler_x1 = mwindow->edl->session->ruler_x2 + distance_value / 1.414214;
1347                                                         mwindow->edl->session->ruler_y1 = mwindow->edl->session->ruler_y2 - distance_value / 1.414214;
1348                                                 }
1349                                                 else
1350                                                 {
1351                                                         mwindow->edl->session->ruler_x1 = mwindow->edl->session->ruler_x2 + distance_value / 1.414214;
1352                                                         mwindow->edl->session->ruler_y1 = mwindow->edl->session->ruler_y2 + distance_value / 1.414214;
1353                                                 }
1354                                         }
1355                                         do_ruler(1, 0, 0, 0);
1356                                         get_canvas()->flash();
1357                                         gui->update_tool();
1358                                         break;
1359
1360                                 case 1:
1361                                         do_ruler(1, 0, 0, 0);
1362                                         mwindow->edl->session->ruler_x2 = output_x - gui->x_origin + gui->ruler_origin_x;
1363                                         mwindow->edl->session->ruler_y2 = output_y - gui->y_origin + gui->ruler_origin_y;
1364                                         if(gui->alt_down() || gui->ctrl_down())
1365                                         {
1366                                                 double angle_value = fabs(atan((mwindow->edl->session->ruler_y2 - mwindow->edl->session->ruler_y1) /
1367                                                         (mwindow->edl->session->ruler_x2 - mwindow->edl->session->ruler_x1)) *
1368                                                         360 /
1369                                                         2 /
1370                                                         M_PI);
1371                                                 double distance_value =
1372                                                         sqrt(SQR(mwindow->edl->session->ruler_x2 - mwindow->edl->session->ruler_x1) +
1373                                                         SQR(mwindow->edl->session->ruler_y2 - mwindow->edl->session->ruler_y1));
1374                                                 if(angle_value < 22)
1375                                                         mwindow->edl->session->ruler_y2 = mwindow->edl->session->ruler_y1;
1376                                                 else
1377                                                 if(angle_value > 67)
1378                                                         mwindow->edl->session->ruler_x2 = mwindow->edl->session->ruler_x1;
1379                                                 else
1380                                                 if(mwindow->edl->session->ruler_x2 < mwindow->edl->session->ruler_x1 &&
1381                                                         mwindow->edl->session->ruler_y2 < mwindow->edl->session->ruler_y1)
1382                                                 {
1383                                                         mwindow->edl->session->ruler_x2 = mwindow->edl->session->ruler_x1 - distance_value / 1.414214;
1384                                                         mwindow->edl->session->ruler_y2 = mwindow->edl->session->ruler_y1 - distance_value / 1.414214;
1385                                                 }
1386                                                 else
1387                                                 if(mwindow->edl->session->ruler_x2 < mwindow->edl->session->ruler_x1 &&
1388                                                         mwindow->edl->session->ruler_y2 > mwindow->edl->session->ruler_y1)
1389                                                 {
1390                                                         mwindow->edl->session->ruler_x2 = mwindow->edl->session->ruler_x1 - distance_value / 1.414214;
1391                                                         mwindow->edl->session->ruler_y2 = mwindow->edl->session->ruler_y1 + distance_value / 1.414214;
1392                                                 }
1393                                                 else
1394                                                 if(mwindow->edl->session->ruler_x2 > mwindow->edl->session->ruler_x1 && mwindow->edl->session->ruler_y2 < mwindow->edl->session->ruler_y1)
1395                                                 {
1396                                                         mwindow->edl->session->ruler_x2 = mwindow->edl->session->ruler_x1 + distance_value / 1.414214;
1397                                                         mwindow->edl->session->ruler_y2 = mwindow->edl->session->ruler_y1 - distance_value / 1.414214;
1398                                                 }
1399                                                 else
1400                                                 {
1401                                                         mwindow->edl->session->ruler_x2 = mwindow->edl->session->ruler_x1 + distance_value / 1.414214;
1402                                                         mwindow->edl->session->ruler_y2 = mwindow->edl->session->ruler_y1 + distance_value / 1.414214;
1403                                                 }
1404                                         }
1405                                         do_ruler(1, 0, 0, 0);
1406                                         get_canvas()->flash();
1407                                         gui->update_tool();
1408                                         break;
1409                         }
1410 //printf("CWindowCanvas::do_ruler 2 %f %f %f %f\n", gui->ruler_x1, gui->ruler_y1, gui->ruler_x2, gui->ruler_y2);
1411                 }
1412                 else
1413                 {
1414 // printf("CWindowCanvas::do_ruler 2 %f %f %f %f\n",
1415 // canvas_cursor_x,
1416 // canvas_cursor_y,
1417 // canvas_x1,
1418 // canvas_y1);
1419                         if(canvas_cursor_x >= canvas_x1 - RULERHANDLE_W / 2 &&
1420                                 canvas_cursor_x < canvas_x1 + RULERHANDLE_W / 2 &&
1421                                 canvas_cursor_y >= canvas_y1 - RULERHANDLE_W &&
1422                                 canvas_cursor_y < canvas_y1 + RULERHANDLE_H / 2)
1423                         {
1424                                 set_cursor(UPRIGHT_ARROW_CURSOR);
1425                         }
1426                         else
1427                         if(canvas_cursor_x >= canvas_x2 - RULERHANDLE_W / 2 &&
1428                                 canvas_cursor_x < canvas_x2 + RULERHANDLE_W / 2 &&
1429                                 canvas_cursor_y >= canvas_y2 - RULERHANDLE_W &&
1430                                 canvas_cursor_y < canvas_y2 + RULERHANDLE_H / 2)
1431                         {
1432                                 set_cursor(UPRIGHT_ARROW_CURSOR);
1433                         }
1434                         else
1435                                 set_cursor(CROSS_CURSOR);
1436
1437 // Update current position
1438                         gui->update_tool();
1439                 }
1440         }
1441
1442 // Assume no ruler measurement if 0 length
1443         if(draw && (!EQUIV(x2, x1) || !EQUIV(y2, y1)))
1444         {
1445                 get_canvas()->set_inverse();
1446                 get_canvas()->set_color(WHITE);
1447                 get_canvas()->draw_line((int)canvas_x1,
1448                         (int)canvas_y1,
1449                         (int)canvas_x2,
1450                         (int)canvas_y2);
1451                 get_canvas()->draw_line(roundf(canvas_x1) - RULERHANDLE_W / 2,
1452                         roundf(canvas_y1),
1453                         roundf(canvas_x1) + RULERHANDLE_W / 2,
1454                         roundf(canvas_y1));
1455                 get_canvas()->draw_line(roundf(canvas_x1),
1456                         roundf(canvas_y1) - RULERHANDLE_H / 2,
1457                         roundf(canvas_x1),
1458                         roundf(canvas_y1) + RULERHANDLE_H / 2);
1459                 get_canvas()->draw_line(roundf(canvas_x2) - RULERHANDLE_W / 2,
1460                         roundf(canvas_y2),
1461                         roundf(canvas_x2) + RULERHANDLE_W / 2,
1462                         roundf(canvas_y2));
1463                 get_canvas()->draw_line(roundf(canvas_x2),
1464                         roundf(canvas_y2) - RULERHANDLE_H / 2,
1465                         roundf(canvas_x2),
1466                         roundf(canvas_y2) + RULERHANDLE_H / 2);
1467                 get_canvas()->set_opaque();
1468         }
1469
1470         return result;
1471 }
1472
1473
1474 static inline double line_dist(float cx,float cy, float tx,float ty)
1475 {
1476         double dx = tx-cx, dy = ty-cy;
1477         return sqrt(dx*dx + dy*dy);
1478 }
1479
1480 static inline bool test_bbox(int cx, int cy, int tx, int ty)
1481 {
1482 //      printf("test_bbox %d,%d - %d,%d = %f\n",cx,cy,tx,ty,line_dist(cx,cy,tx,ty));
1483         return (llabs(cx-tx) < CONTROL_W/2 && llabs(cy-ty) < CONTROL_H/2);
1484 }
1485
1486
1487 int CWindowCanvas::do_mask(int &redraw, int &rerender,
1488                 int button_press, int cursor_motion, int draw)
1489 {
1490 // Retrieve points from top recordable track
1491 //printf("CWindowCanvas::do_mask 1\n");
1492         Track *track = gui->cwindow->calculate_affected_track();
1493 //printf("CWindowCanvas::do_mask 2\n");
1494
1495         if(!track) return 0;
1496 //printf("CWindowCanvas::do_mask 3\n");
1497
1498         MaskAutos *mask_autos = (MaskAutos*)track->automation->autos[AUTOMATION_MASK];
1499         int64_t position = track->to_units(
1500                 mwindow->edl->local_session->get_selectionstart(1),
1501                 0);
1502         ArrayList<MaskPoint*> points;
1503
1504 // Determine the points based on whether
1505 // new keyframes will be generated or drawing is performed.
1506 // If keyframe generation occurs, use the interpolated mask.
1507 // If no keyframe generation occurs, use the previous mask.
1508         int use_interpolated = 0;
1509         if(button_press || cursor_motion) {
1510 #ifdef USE_KEYFRAME_SPANNING
1511                 double selection_start = mwindow->edl->local_session->get_selectionstart(0);
1512                 double selection_end = mwindow->edl->local_session->get_selectionend(0);
1513
1514                 Auto *first = 0;
1515                 mask_autos->get_prev_auto(track->to_units(selection_start, 0),
1516                         PLAY_FORWARD, first, 1);
1517                 Auto *last = 0;
1518                 mask_autos->get_prev_auto(track->to_units(selection_end, 0),
1519                         PLAY_FORWARD, last, 1);
1520
1521                 if(last == first && (!mwindow->edl->session->auto_keyframes))
1522                         use_interpolated = 0;
1523                 else
1524 // If keyframe spanning occurs, use the interpolated points.
1525 // If new keyframe is generated, use the interpolated points.
1526                         use_interpolated = 1;
1527
1528 #else
1529                 if(mwindow->edl->session->auto_keyframes)
1530                         use_interpolated = 1;
1531 #endif
1532         }
1533         else
1534                 use_interpolated = 1;
1535
1536         if(use_interpolated) {
1537 // Interpolate the points to get exactly what is being rendered at this position.
1538                 mask_autos->get_points(&points,
1539                         mwindow->edl->session->cwindow_mask,
1540                         position,
1541                         PLAY_FORWARD);
1542         }
1543         else {
1544 // Use the prev mask
1545                 Auto *prev = 0;
1546                 mask_autos->get_prev_auto(position,
1547                         PLAY_FORWARD,
1548                         prev,
1549                         1);
1550                 ((MaskAuto*)prev)->get_points(&points,
1551                         mwindow->edl->session->cwindow_mask);
1552         }
1553
1554 // Projector zooms relative to the center of the track output.
1555         float half_track_w = (float)track->track_w / 2;
1556         float half_track_h = (float)track->track_h / 2;
1557 // Translate mask to projection
1558         float projector_x, projector_y, projector_z;
1559         track->automation->get_projector(
1560                 &projector_x, &projector_y, &projector_z,
1561                 position, PLAY_FORWARD);
1562
1563
1564 // Get position of cursor relative to mask
1565         float cursor_x = get_cursor_x(), cursor_y = get_cursor_y();
1566         float mask_cursor_x = cursor_x, mask_cursor_y = cursor_y;
1567         canvas_to_output(mwindow->edl, 0, mask_cursor_x, mask_cursor_y);
1568
1569         projector_x += mwindow->edl->session->output_w / 2;
1570         projector_y += mwindow->edl->session->output_h / 2;
1571         mask_cursor_x = (mask_cursor_x - projector_x) / projector_z + half_track_w;
1572         mask_cursor_y = (mask_cursor_y - projector_y) / projector_z + half_track_h;
1573
1574 // Fix cursor origin
1575         if(button_press) {
1576                 gui->x_origin = mask_cursor_x;
1577                 gui->y_origin = mask_cursor_y;
1578         }
1579
1580         int result = 0;
1581 // Points of closest line
1582         int shortest_point1 = -1;
1583         int shortest_point2 = -1;
1584 // Closest point
1585         int shortest_point = -1;
1586 // Distance to closest line
1587         float shortest_line_distance = BC_INFINITY;
1588 // Distance to closest point
1589         float shortest_point_distance = BC_INFINITY;
1590         int selected_point = -1;
1591         int selected_control_point = -1;
1592         float selected_control_point_distance = BC_INFINITY;
1593         ArrayList<int> x_points;
1594         ArrayList<int> y_points;
1595
1596         if(!cursor_motion) {
1597                 if(draw) {
1598                         get_canvas()->set_color(WHITE);
1599                         get_canvas()->set_inverse();
1600                 }
1601 //printf("CWindowCanvas::do_mask 1 %d\n", points.size());
1602
1603 // Never draw closed polygon and a closed
1604 // polygon is harder to add points to.
1605                 for(int i = 0; i < points.size() && !result; i++) {
1606                         MaskPoint *point1 = points.get(i);
1607                         MaskPoint *point2 = (i >= points.size() - 1) ?
1608                                 points.get(0) : points.get(i + 1);
1609                         if(button_press) {
1610                                 float point_distance1 = line_dist(point1->x,point1->y, mask_cursor_x,mask_cursor_y);
1611                                 if(point_distance1 < shortest_point_distance || shortest_point < 0) {
1612                                         shortest_point_distance = point_distance1;
1613                                         shortest_point = i;
1614                                 }
1615
1616                                 float point_distance2 = line_dist(point2->x,point2->y, mask_cursor_x,mask_cursor_y);
1617                                 if(point_distance2 < shortest_point_distance || shortest_point < 0) {
1618                                         shortest_point_distance = point_distance2;
1619                                         shortest_point = (i >= points.size() - 1) ? 0 : (i + 1);
1620                                 }
1621                         }
1622
1623                         int segments = 1 + line_dist(point1->x,point1->y, point2->x,point2->y);
1624
1625 //printf("CWindowCanvas::do_mask 1 %f, %f -> %f, %f projectorz=%f\n",
1626 //point1->x, point1->y, point2->x, point2->y, projector_z);
1627                         for(int j = 0; j <= segments && !result; j++) {
1628 //printf("CWindowCanvas::do_mask 1 %f, %f -> %f, %f\n", x0, y0, x3, y3);
1629                                 float x0 = point1->x, y0 = point1->y;
1630                                 float x1 = point1->x + point1->control_x2;
1631                                 float y1 = point1->y + point1->control_y2;
1632                                 float x2 = point2->x + point2->control_x1;
1633                                 float y2 = point2->y + point2->control_y1;
1634                                 float x3 = point2->x, y3 = point2->y;
1635                                 float canvas_x0 = (x0 - half_track_w) * projector_z + projector_x;
1636                                 float canvas_y0 = (y0 - half_track_h) * projector_z + projector_y;
1637                                 float canvas_x1 = (x1 - half_track_w) * projector_z + projector_x;
1638                                 float canvas_y1 = (y1 - half_track_h) * projector_z + projector_y;
1639                                 float canvas_x2 = (x2 - half_track_w) * projector_z + projector_x;
1640                                 float canvas_y2 = (y2 - half_track_h) * projector_z + projector_y;
1641                                 float canvas_x3 = (x3 - half_track_w) * projector_z + projector_x;
1642                                 float canvas_y3 = (y3 - half_track_h) * projector_z + projector_y;
1643
1644                                 float t = (float)j / segments;
1645                                 float tpow2 = t * t;
1646                                 float tpow3 = t * t * t;
1647                                 float invt = 1 - t;
1648                                 float invtpow2 = invt * invt;
1649                                 float invtpow3 = invt * invt * invt;
1650
1651                                 float x = (           invtpow3 * x0
1652                                         + 3 * t     * invtpow2 * x1
1653                                         + 3 * tpow2 * invt     * x2
1654                                         +     tpow3            * x3);
1655                                 float y = (           invtpow3 * y0
1656                                         + 3 * t     * invtpow2 * y1
1657                                         + 3 * tpow2 * invt     * y2
1658                                         +     tpow3            * y3);
1659                                 float canvas_x = (x - half_track_w) * projector_z + projector_x;
1660                                 float canvas_y = (y - half_track_h) * projector_z + projector_y;
1661 // Test new point addition
1662                                 if(button_press) {
1663                                         float line_distance = line_dist(x,y, mask_cursor_x,mask_cursor_y);
1664
1665 //printf("CWindowCanvas::do_mask 1 x=%f cursor_x=%f y=%f cursor_y=%f %f %f %d, %d\n",
1666 //  x, cursor_x, y, cursor_y, line_distance, shortest_line_distance, shortest_point1, shortest_point2);
1667                                         if(line_distance < shortest_line_distance ||
1668                                                 shortest_point1 < 0) {
1669                                                 shortest_line_distance = line_distance;
1670                                                 shortest_point1 = i;
1671                                                 shortest_point2 = (i >= points.size() - 1) ? 0 : (i + 1);
1672 //printf("CWindowCanvas::do_mask 2 %f %f %d, %d\n",
1673 //  line_distance, shortest_line_distance, shortest_point1, shortest_point2);
1674                                         }
1675
1676 // Test existing point selection
1677 // Test first point
1678                                         if(gui->ctrl_down()) {
1679                                                 float distance = line_dist(x1,y1, mask_cursor_x,mask_cursor_y);
1680
1681                                                 if(distance < selected_control_point_distance) {
1682                                                         selected_point = i;
1683                                                         selected_control_point = 1;
1684                                                         selected_control_point_distance = distance;
1685                                                 }
1686                                         }
1687                                         else {
1688                                                 if(!gui->shift_down()) {
1689                                                         output_to_canvas(mwindow->edl, 0, canvas_x0, canvas_y0);
1690                                                         if(test_bbox(cursor_x, cursor_y, canvas_x0, canvas_y0)) {
1691                                                                 selected_point = i;
1692                                                         }
1693                                                 }
1694                                                 else {
1695                                                         selected_point = shortest_point;
1696                                                 }
1697                                         }
1698 // Test second point
1699                                         if(gui->ctrl_down()) {
1700                                                 float distance = line_dist(x2,y2, mask_cursor_x,mask_cursor_y);
1701
1702 //printf("CWindowCanvas::do_mask %d %f %f\n", i, distance, selected_control_point_distance);
1703                                                 if(distance < selected_control_point_distance) {
1704                                                         selected_point = (i < points.size() - 1 ? i + 1 : 0);
1705                                                         selected_control_point = 0;
1706                                                         selected_control_point_distance = distance;
1707                                                 }
1708                                         }
1709                                         else if(i < points.size() - 1) {
1710                                                 if(!gui->shift_down()) {
1711                                                         output_to_canvas(mwindow->edl, 0, canvas_x3, canvas_y3);
1712                                                         if(test_bbox(cursor_x, cursor_y, canvas_x3, canvas_y3)) {
1713                                                                 selected_point = (i < points.size() - 1 ? i + 1 : 0);
1714                                                         }
1715                                                 }
1716                                                 else {
1717                                                         selected_point = shortest_point;
1718                                                 }
1719                                         }
1720                                 }
1721
1722                                 output_to_canvas(mwindow->edl, 0, canvas_x, canvas_y);
1723
1724                                 if(j > 0) {
1725
1726                                         if(draw) { // Draw joining line
1727                                                 x_points.append((int)canvas_x);
1728                                                 y_points.append((int)canvas_y);
1729                                         }
1730
1731                                         if(j == segments) {
1732                                                 if(draw) { // Draw second anchor
1733                                                         if(i < points.size() - 1) {
1734                                                                 if(i == gui->affected_point - 1)
1735                                                                         get_canvas()->draw_disc(
1736                                                                                 (int)canvas_x - CONTROL_W / 2,
1737                                                                                 (int)canvas_y - CONTROL_W / 2,
1738                                                                                 CONTROL_W, CONTROL_H);
1739                                                                 else
1740                                                                         get_canvas()->draw_circle(
1741                                                                                 (int)canvas_x - CONTROL_W / 2,
1742                                                                                 (int)canvas_y - CONTROL_W / 2,
1743                                                                                 CONTROL_W, CONTROL_H);
1744 // char string[BCTEXTLEN];
1745 // sprintf(string, "%d", (i < points.size() - 1 ? i + 1 : 0));
1746 // canvas->draw_text((int)canvas_x + CONTROL_W, (int)canvas_y + CONTROL_W, string);
1747                                                         }
1748 // Draw second control point.
1749                                                         output_to_canvas(mwindow->edl, 0, canvas_x2, canvas_y2);
1750                                                         get_canvas()->draw_line(
1751                                                                 (int)canvas_x, (int)canvas_y,
1752                                                                 (int)canvas_x2, (int)canvas_y2);
1753                                                         get_canvas()->draw_rectangle(
1754                                                                 (int)canvas_x2 - CONTROL_W / 2,
1755                                                                 (int)canvas_y2 - CONTROL_H / 2,
1756                                                                 CONTROL_W, CONTROL_H);
1757                                                 }
1758                                         }
1759                                 }
1760                                 else {
1761 // Draw first anchor
1762                                         if(i == 0 && draw) {
1763                                                 char mask_label[BCSTRLEN];
1764                                                 sprintf(mask_label, "%d",
1765                                                         mwindow->edl->session->cwindow_mask);
1766                                                 get_canvas()->draw_text(
1767                                                         (int)canvas_x - FIRST_CONTROL_W,
1768                                                         (int)canvas_y - FIRST_CONTROL_H,
1769                                                         mask_label);
1770
1771                                                 get_canvas()->draw_disc(
1772                                                         (int)canvas_x - FIRST_CONTROL_W / 2,
1773                                                         (int)canvas_y - FIRST_CONTROL_H / 2,
1774                                                         FIRST_CONTROL_W, FIRST_CONTROL_H);
1775                                         }
1776
1777 // Draw first control point.
1778                                         if(draw) {
1779                                                 output_to_canvas(mwindow->edl, 0, canvas_x1, canvas_y1);
1780                                                 get_canvas()->draw_line(
1781                                                         (int)canvas_x, (int)canvas_y,
1782                                                         (int)canvas_x1, (int)canvas_y1);
1783                                                 get_canvas()->draw_rectangle(
1784                                                         (int)canvas_x1 - CONTROL_W / 2,
1785                                                         (int)canvas_y1 - CONTROL_H / 2,
1786                                                         CONTROL_W, CONTROL_H);
1787
1788                                                 x_points.append((int)canvas_x);
1789                                                 y_points.append((int)canvas_y);
1790                                         }
1791                                 }
1792 //printf("CWindowCanvas::do_mask 1\n");
1793
1794                         }
1795                 }
1796 //printf("CWindowCanvas::do_mask 1\n");
1797
1798                 if(draw) {
1799                         get_canvas()->draw_polygon(&x_points, &y_points);
1800                         get_canvas()->set_opaque();
1801                 }
1802 //printf("CWindowCanvas::do_mask 1\n");
1803         }
1804
1805         if(button_press && !result) {
1806                 gui->affected_track = gui->cwindow->calculate_affected_track();
1807
1808 // Get keyframe outside the EDL to edit.  This must be rendered
1809 // instead of the EDL keyframes when it exists.  Then it must be
1810 // applied to the EDL keyframes on buttonrelease.
1811                 if(gui->affected_track) {
1812 #ifdef USE_KEYFRAME_SPANNING
1813 // Make copy of current parameters in local keyframe
1814                         gui->mask_keyframe =
1815                                 (MaskAuto*)gui->cwindow->calculate_affected_auto(
1816                                         mask_autos,
1817                                         0);
1818                         gui->orig_mask_keyframe->copy_data(gui->mask_keyframe);
1819 #else
1820
1821                         gui->mask_keyframe =
1822                                 (MaskAuto*)gui->cwindow->calculate_affected_auto(
1823                                         mask_autos,
1824                                         1);
1825 #endif
1826                 }
1827                 SubMask *mask = gui->mask_keyframe->get_submask(mwindow->edl->session->cwindow_mask);
1828
1829
1830 // Translate entire keyframe
1831                 if(gui->alt_down() && mask->points.size()) {
1832                         mwindow->undo->update_undo_before(_("mask translate"), 0);
1833                         gui->current_operation = CWINDOW_MASK_TRANSLATE;
1834                         gui->affected_point = 0;
1835                 }
1836                 else
1837 // Existing point or control point was selected
1838                 if(selected_point >= 0) {
1839                         mwindow->undo->update_undo_before(_("mask adjust"), 0);
1840                         gui->affected_point = selected_point;
1841
1842                         if(selected_control_point == 0)
1843                                 gui->current_operation = CWINDOW_MASK_CONTROL_IN;
1844                         else
1845                         if(selected_control_point == 1)
1846                                 gui->current_operation = CWINDOW_MASK_CONTROL_OUT;
1847                         else
1848                                 gui->current_operation = mwindow->edl->session->cwindow_operation;
1849                 }
1850                 else // No existing point or control point was selected so create a new one
1851                 if(!gui->ctrl_down() && !gui->alt_down()) {
1852                         mwindow->undo->update_undo_before(_("mask point"), 0);
1853 // Create the template
1854                         MaskPoint *point = new MaskPoint;
1855                         point->x = mask_cursor_x;
1856                         point->y = mask_cursor_y;
1857                         point->control_x1 = 0;
1858                         point->control_y1 = 0;
1859                         point->control_x2 = 0;
1860                         point->control_y2 = 0;
1861
1862
1863                         if(shortest_point2 < shortest_point1) {
1864                                 shortest_point2 ^= shortest_point1;
1865                                 shortest_point1 ^= shortest_point2;
1866                                 shortest_point2 ^= shortest_point1;
1867                         }
1868
1869
1870
1871 // printf("CWindowGUI::do_mask 40\n");
1872 // mwindow->edl->dump();
1873 // printf("CWindowGUI::do_mask 50\n");
1874
1875
1876
1877 //printf("CWindowCanvas::do_mask 1 %f %f %d %d\n",
1878 //      shortest_line_distance, shortest_point_distance, shortest_point1, shortest_point2);
1879 //printf("CWindowCanvas::do_mask %d %d\n", shortest_point1, shortest_point2);
1880
1881 // Append to end of list
1882                         if( shortest_point1 == shortest_point2 ||
1883                             labs(shortest_point1 - shortest_point2) > 1) {
1884 #ifdef USE_KEYFRAME_SPANNING
1885
1886                                 MaskPoint *new_point = new MaskPoint;
1887                                 points.append(new_point);
1888                                 *new_point = *point;
1889                                 gui->affected_point = points.size() - 1;
1890
1891 #else
1892
1893 // Need to apply the new point to every keyframe
1894                                 for(MaskAuto *current = (MaskAuto*)mask_autos->default_auto; current; ) {
1895                                         SubMask *submask = current->get_submask(mwindow->edl->session->cwindow_mask);
1896                                         MaskPoint *new_point = new MaskPoint;
1897                                         submask->points.append(new_point);
1898                                         *new_point = *point;
1899                                         if(current == (MaskAuto*)mask_autos->default_auto)
1900                                                 current = (MaskAuto*)mask_autos->first;
1901                                         else
1902                                                 current = (MaskAuto*)NEXT;
1903                                 }
1904                                 gui->affected_point = mask->points.size() - 1;
1905 #endif
1906
1907                                 result = 1;
1908                         }
1909                         else
1910 // Insert between 2 points, shifting back point 2
1911                         if(shortest_point1 >= 0 && shortest_point2 >= 0) {
1912
1913 #ifdef USE_KEYFRAME_SPANNING
1914 // In case the keyframe point count isn't synchronized with the rest of the keyframes,
1915 // avoid a crash.
1916                                 if(points.size() >= shortest_point2) {
1917                                         MaskPoint *new_point = new MaskPoint;
1918                                         points.append(0);
1919                                         for(int i = points.size() - 1;
1920                                                 i > shortest_point2;
1921                                                 i--)
1922                                                 points.values[i] = points.values[i - 1];
1923                                         points.values[shortest_point2] = new_point;
1924
1925                                         *new_point = *point;
1926                                 }
1927
1928 #else
1929
1930                                 for(MaskAuto *current = (MaskAuto*)mask_autos->default_auto; current; ) {
1931                                         SubMask *submask = current->get_submask(mwindow->edl->session->cwindow_mask);
1932 // In case the keyframe point count isn't synchronized with the rest of the keyframes,
1933 // avoid a crash.
1934                                         if(submask->points.size() >= shortest_point2) {
1935                                                 MaskPoint *new_point = new MaskPoint;
1936                                                 submask->points.append(0);
1937                                                 for(int i = submask->points.size() - 1;
1938                                                         i > shortest_point2;
1939                                                         i--)
1940                                                         submask->points.values[i] = submask->points.values[i - 1];
1941                                                 submask->points.values[shortest_point2] = new_point;
1942
1943                                                 *new_point = *point;
1944                                         }
1945
1946                                         if(current == (MaskAuto*)mask_autos->default_auto)
1947                                                 current = (MaskAuto*)mask_autos->first;
1948                                         else
1949                                                 current = (MaskAuto*)NEXT;
1950                                 }
1951
1952 #endif
1953                                 gui->affected_point = shortest_point2;
1954                                 result = 1;
1955                         }
1956
1957
1958 // printf("CWindowGUI::do_mask 20\n");
1959 // mwindow->edl->dump();
1960 // printf("CWindowGUI::do_mask 30\n");
1961
1962                         if(!result) {
1963 //printf("CWindowCanvas::do_mask 1\n");
1964 // Create the first point.
1965 #ifdef USE_KEYFRAME_SPANNING
1966                                 MaskPoint *new_point = new MaskPoint;
1967                                 points.append(new_point);
1968                                 *new_point = *point;
1969                                 gui->affected_point = points.size() - 1;
1970 #else
1971                                 for(MaskAuto *current = (MaskAuto*)mask_autos->default_auto; current; ) {
1972                                         SubMask *submask = current->get_submask(mwindow->edl->session->cwindow_mask);
1973                                         MaskPoint *new_point = new MaskPoint;
1974                                         submask->points.append(new_point);
1975                                         *new_point = *point;
1976                                         if(current == (MaskAuto*)mask_autos->default_auto)
1977                                                 current = (MaskAuto*)mask_autos->first;
1978                                         else
1979                                                 current = (MaskAuto*)NEXT;
1980                                 }
1981                                 gui->affected_point = points.size() - 1;
1982 #endif
1983
1984 //printf("CWindowCanvas::do_mask 3 %d\n", mask->points.size());
1985                         }
1986
1987                         gui->current_operation = mwindow->edl->session->cwindow_operation;
1988 // Delete the template
1989                         delete point;
1990                 }
1991
1992                 result = 1;
1993                 rerender = 1;
1994                 redraw = 1;
1995         }
1996
1997         if(button_press && result) {
1998 #ifdef USE_KEYFRAME_SPANNING
1999                 MaskPoint *point = points.values[gui->affected_point];
2000                 gui->center_x = point->x;
2001                 gui->center_y = point->y;
2002                 gui->control_in_x = point->control_x1;
2003                 gui->control_in_y = point->control_y1;
2004                 gui->control_out_x = point->control_x2;
2005                 gui->control_out_y = point->control_y2;
2006                 gui->tool_panel->raise_window();
2007 #else
2008                 SubMask *mask = gui->mask_keyframe->get_submask(mwindow->edl->session->cwindow_mask);
2009                 MaskPoint *point = mask->points.values[gui->affected_point];
2010                 gui->center_x = point->x;
2011                 gui->center_y = point->y;
2012                 gui->control_in_x = point->control_x1;
2013                 gui->control_in_y = point->control_y1;
2014                 gui->control_out_x = point->control_x2;
2015                 gui->control_out_y = point->control_y2;
2016                 gui->tool_panel->raise_window();
2017 #endif
2018         }
2019
2020 //printf("CWindowCanvas::do_mask 8\n");
2021         if(cursor_motion) {
2022
2023 #ifdef USE_KEYFRAME_SPANNING
2024 // Must update the reference keyframes for every cursor motion
2025                 gui->mask_keyframe =
2026                         (MaskAuto*)gui->cwindow->calculate_affected_auto(
2027                                 mask_autos,
2028                                 0);
2029                 gui->orig_mask_keyframe->copy_data(gui->mask_keyframe);
2030 #endif
2031
2032 //printf("CWindowCanvas::do_mask %d %d\n", __LINE__, gui->affected_point);
2033
2034                 SubMask *mask = gui->mask_keyframe->get_submask(mwindow->edl->session->cwindow_mask);
2035                 if( gui->affected_point >= 0 && gui->affected_point < mask->points.size() &&
2036                         gui->current_operation != CWINDOW_NONE) {
2037 //                      mwindow->undo->update_undo_before(_("mask point"), this);
2038 #ifdef USE_KEYFRAME_SPANNING
2039                         MaskPoint *point = points.get(gui->affected_point);
2040 #else
2041                         MaskPoint *point = mask->points.get(gui->affected_point);
2042 #endif
2043 //                      canvas_to_output(mwindow->edl, 0, cursor_x, cursor_y);
2044 //printf("CWindowCanvas::do_mask 9 %d %d\n", mask->points.size(), gui->affected_point);
2045
2046                         float last_x = point->x;
2047                         float last_y = point->y;
2048                         float last_control_x1 = point->control_x1;
2049                         float last_control_y1 = point->control_y1;
2050                         float last_control_x2 = point->control_x2;
2051                         float last_control_y2 = point->control_y2;
2052
2053                         switch(gui->current_operation) {
2054                                 case CWINDOW_MASK:
2055 //printf("CWindowCanvas::do_mask %d %d\n", __LINE__, gui->affected_point);
2056                                         point->x = mask_cursor_x - gui->x_origin + gui->center_x;
2057                                         point->y = mask_cursor_y - gui->y_origin + gui->center_y;
2058                                         break;
2059
2060                                 case CWINDOW_MASK_CONTROL_IN:
2061                                         point->control_x1 = mask_cursor_x - gui->x_origin + gui->control_in_x;
2062                                         point->control_y1 = mask_cursor_y - gui->y_origin + gui->control_in_y;
2063                                         break;
2064
2065                                 case CWINDOW_MASK_CONTROL_OUT:
2066                                         point->control_x2 = mask_cursor_x - gui->x_origin + gui->control_out_x;
2067                                         point->control_y2 = mask_cursor_y - gui->y_origin + gui->control_out_y;
2068                                         break;
2069
2070                                 case CWINDOW_MASK_TRANSLATE:
2071 #ifdef USE_KEYFRAME_SPANNING
2072                                         for(int i = 0; i < points.size(); i++) {
2073                                                 points.values[i]->x += mask_cursor_x - gui->x_origin;
2074                                                 points.values[i]->y += mask_cursor_y - gui->y_origin;
2075                                         }
2076 #else
2077                                         for(int i = 0; i < mask->points.size(); i++) {
2078                                                 mask->points.values[i]->x += mask_cursor_x - gui->x_origin;
2079                                                 mask->points.values[i]->y += mask_cursor_y - gui->y_origin;
2080                                         }
2081 #endif
2082                                         gui->x_origin = mask_cursor_x;
2083                                         gui->y_origin = mask_cursor_y;
2084                                         break;
2085                         }
2086
2087                         if( !EQUIV(last_x, point->x) ||
2088                                 !EQUIV(last_y, point->y) ||
2089                                 !EQUIV(last_control_x1, point->control_x1) ||
2090                                 !EQUIV(last_control_y1, point->control_y1) ||
2091                                 !EQUIV(last_control_x2, point->control_x2) ||
2092                                 !EQUIV(last_control_y2, point->control_y2)) {
2093                                 rerender = 1;
2094                                 redraw = 1;
2095                         }
2096                 }
2097                 else
2098                 if(gui->current_operation == CWINDOW_NONE) {
2099 //                      printf("CWindowCanvas::do_mask %d\n", __LINE__);
2100                         int over_point = 0;
2101                         for(int i = 0; i < points.size() && !over_point; i++) {
2102                                 MaskPoint *point = points.get(i);
2103                                 float x0 = point->x;
2104                                 float y0 = point->y;
2105                                 float x1 = point->x + point->control_x1;
2106                                 float y1 = point->y + point->control_y1;
2107                                 float x2 = point->x + point->control_x2;
2108                                 float y2 = point->y + point->control_y2;
2109                                 float canvas_x0 = (x0 - half_track_w) * projector_z + projector_x;
2110                                 float canvas_y0 = (y0 - half_track_h) * projector_z + projector_y;
2111
2112                                 output_to_canvas(mwindow->edl, 0, canvas_x0, canvas_y0);
2113                                 if(test_bbox(cursor_x, cursor_y, canvas_x0, canvas_y0)) {
2114                                         over_point = 1;
2115                                 }
2116
2117                                 if(!over_point && gui->ctrl_down()) {
2118                                         float canvas_x1 = (x1 - half_track_w) * projector_z + projector_x;
2119                                         float canvas_y1 = (y1 - half_track_h) * projector_z + projector_y;
2120                                         output_to_canvas(mwindow->edl, 0, canvas_x1, canvas_y1);
2121                                         if(test_bbox(cursor_x, cursor_y, canvas_x1, canvas_y1)) {
2122                                                 over_point = 1;
2123                                         }
2124                                         else {
2125                                                 float canvas_x2 = (x2 - half_track_w) * projector_z + projector_x;
2126                                                 float canvas_y2 = (y2 - half_track_h) * projector_z + projector_y;
2127                                                 output_to_canvas(mwindow->edl, 0, canvas_x2, canvas_y2);
2128                                                 if(test_bbox(cursor_x, cursor_y, canvas_x2, canvas_y2)) {
2129                                                         over_point = 1;
2130                                                 }
2131                                         }
2132                                 }
2133                         }
2134
2135                         set_cursor( over_point ? ARROW_CURSOR : CROSS_CURSOR );
2136                 }
2137
2138                 result = 1;
2139         }
2140 //printf("CWindowCanvas::do_mask 2 %d %d %d\n", result, rerender, redraw);
2141
2142
2143 #ifdef USE_KEYFRAME_SPANNING
2144 // Must commit change after operation.
2145         if(rerender && track) {
2146 // Swap EDL keyframe with original.
2147 // Apply new values to keyframe span
2148                 MaskAuto temp_keyframe(mwindow->edl, mask_autos);
2149                 temp_keyframe.copy_data(gui->mask_keyframe);
2150 // Apply interpolated points back to keyframe
2151                 temp_keyframe.set_points(&points, mwindow->edl->session->cwindow_mask);
2152                 gui->mask_keyframe->copy_data(gui->orig_mask_keyframe);
2153                 mask_autos->update_parameter(&temp_keyframe);
2154         }
2155 #endif
2156
2157         points.remove_all_objects();
2158 //printf("CWindowCanvas::do_mask 20\n");
2159         return result;
2160 }
2161
2162 int CWindowCanvas::do_eyedrop(int &rerender, int button_press, int draw)
2163 {
2164         int result = 0;
2165         int radius = mwindow->edl->session->eyedrop_radius;
2166         int row1 = 0;
2167         int row2 = 0;
2168         int column1 = 0;
2169         int column2 = 0;
2170
2171
2172
2173         if(refresh_frame && refresh_frame->get_w()>0 && refresh_frame->get_h()>0)
2174         {
2175
2176                 if(draw)
2177                 {
2178                         row1 = gui->eyedrop_y - radius;
2179                         row2 = gui->eyedrop_y + radius;
2180                         column1 = gui->eyedrop_x - radius;
2181                         column2 = gui->eyedrop_x + radius;
2182
2183                         CLAMP(row1, 0, refresh_frame->get_h() - 1);
2184                         CLAMP(row2, 0, refresh_frame->get_h() - 1);
2185                         CLAMP(column1, 0, refresh_frame->get_w() - 1);
2186                         CLAMP(column2, 0, refresh_frame->get_w() - 1);
2187
2188                         if(row2 <= row1) row2 = row1 + 1;
2189                         if(column2 <= column1) column2 = column1 + 1;
2190
2191                         float x1 = column1;
2192                         float y1 = row1;
2193                         float x2 = column2;
2194                         float y2 = row2;
2195
2196                         output_to_canvas(mwindow->edl, 0, x1, y1);
2197                         output_to_canvas(mwindow->edl, 0, x2, y2);
2198 //printf("CWindowCanvas::do_eyedrop %d %f %f %f %f\n", __LINE__, x1, x2, y1, y2);
2199
2200                         if(x2 - x1 >= 1 && y2 - y1 >= 1)
2201                         {
2202                                 get_canvas()->set_inverse();
2203                                 get_canvas()->set_color(WHITE);
2204
2205                                 get_canvas()->draw_rectangle((int)x1,
2206                                         (int)y1,
2207                                         (int)(x2 - x1),
2208                                         (int)(y2 - y1));
2209
2210                                 get_canvas()->set_opaque();
2211                                 get_canvas()->flash();
2212                         }
2213                         return 0;
2214                 }
2215         }
2216
2217         if(button_press)
2218         {
2219                 gui->current_operation = CWINDOW_EYEDROP;
2220                 gui->tool_panel->raise_window();
2221         }
2222
2223         if(gui->current_operation == CWINDOW_EYEDROP)
2224         {
2225                 mwindow->undo->update_undo_before(_("Eyedrop"), this);
2226
2227 // Get color out of frame.
2228 // Doesn't work during playback because that bypasses the refresh frame.
2229                 if(refresh_frame && refresh_frame->get_w()>0 && refresh_frame->get_h()>0)
2230                 {
2231                         float cursor_x = get_cursor_x();
2232                         float cursor_y = get_cursor_y();
2233                         canvas_to_output(mwindow->edl, 0, cursor_x, cursor_y);
2234                         CLAMP(cursor_x, 0, refresh_frame->get_w() - 1);
2235                         CLAMP(cursor_y, 0, refresh_frame->get_h() - 1);
2236
2237                         row1 = cursor_y - radius;
2238                         row2 = cursor_y + radius;
2239                         column1 = cursor_x - radius;
2240                         column2 = cursor_x + radius;
2241                         CLAMP(row1, 0, refresh_frame->get_h() - 1);
2242                         CLAMP(row2, 0, refresh_frame->get_h() - 1);
2243                         CLAMP(column1, 0, refresh_frame->get_w() - 1);
2244                         CLAMP(column2, 0, refresh_frame->get_w() - 1);
2245                         if(row2 <= row1) row2 = row1 + 1;
2246                         if(column2 <= column1) column2 = column1 + 1;
2247
2248
2249 // hide it
2250                         if(gui->eyedrop_visible)
2251                         {
2252                                 int temp;
2253                                 do_eyedrop(temp, 0, 1);
2254                                 gui->eyedrop_visible = 0;
2255                         }
2256
2257                         gui->eyedrop_x = cursor_x;
2258                         gui->eyedrop_y = cursor_y;
2259
2260 // show it
2261                         {
2262                                 int temp;
2263                                 do_eyedrop(temp, 0, 1);
2264                                 gui->eyedrop_visible = 1;
2265                         }
2266
2267 // Decompression coefficients straight out of jpeglib
2268 #define V_TO_R    1.40200
2269 #define V_TO_G    -0.71414
2270
2271 #define U_TO_G    -0.34414
2272 #define U_TO_B    1.77200
2273
2274 #define GET_COLOR(type, components, max, do_yuv) \
2275 { \
2276         type *row = (type*)(refresh_frame->get_rows()[i]) + \
2277                 j * components; \
2278         float red = (float)*row++ / max; \
2279         float green = (float)*row++ / max; \
2280         float blue = (float)*row++ / max; \
2281         if(do_yuv) \
2282         { \
2283                 float r = red + V_TO_R * (blue - 0.5); \
2284                 float g = red + U_TO_G * (green - 0.5) + V_TO_G * (blue - 0.5); \
2285                 float b = red + U_TO_B * (green - 0.5); \
2286                 mwindow->edl->local_session->red += r; \
2287                 mwindow->edl->local_session->green += g; \
2288                 mwindow->edl->local_session->blue += b; \
2289                 if(r > mwindow->edl->local_session->red_max) mwindow->edl->local_session->red_max = r; \
2290                 if(g > mwindow->edl->local_session->green_max) mwindow->edl->local_session->green_max = g; \
2291                 if(b > mwindow->edl->local_session->blue_max) mwindow->edl->local_session->blue_max = b; \
2292         } \
2293         else \
2294         { \
2295                 mwindow->edl->local_session->red += red; \
2296                 mwindow->edl->local_session->green += green; \
2297                 mwindow->edl->local_session->blue += blue; \
2298                 if(red > mwindow->edl->local_session->red_max) mwindow->edl->local_session->red_max = red; \
2299                 if(green > mwindow->edl->local_session->green_max) mwindow->edl->local_session->green_max = green; \
2300                 if(blue > mwindow->edl->local_session->blue_max) mwindow->edl->local_session->blue_max = blue; \
2301         } \
2302 }
2303
2304
2305
2306                         mwindow->edl->local_session->red = 0;
2307                         mwindow->edl->local_session->green = 0;
2308                         mwindow->edl->local_session->blue = 0;
2309                         mwindow->edl->local_session->red_max = 0;
2310                         mwindow->edl->local_session->green_max = 0;
2311                         mwindow->edl->local_session->blue_max = 0;
2312                         for(int i = row1; i < row2; i++)
2313                         {
2314                                 for(int j = column1; j < column2; j++)
2315                                 {
2316                                         switch(refresh_frame->get_color_model())
2317                                         {
2318                                                 case BC_YUV888:
2319                                                         GET_COLOR(unsigned char, 3, 0xff, 1);
2320                                                         break;
2321                                                 case BC_YUVA8888:
2322                                                         GET_COLOR(unsigned char, 4, 0xff, 1);
2323                                                         break;
2324                                                 case BC_YUV161616:
2325                                                         GET_COLOR(uint16_t, 3, 0xffff, 1);
2326                                                         break;
2327                                                 case BC_YUVA16161616:
2328                                                         GET_COLOR(uint16_t, 4, 0xffff, 1);
2329                                                         break;
2330                                                 case BC_RGB888:
2331                                                         GET_COLOR(unsigned char, 3, 0xff, 0);
2332                                                         break;
2333                                                 case BC_RGBA8888:
2334                                                         GET_COLOR(unsigned char, 4, 0xff, 0);
2335                                                         break;
2336                                                 case BC_RGB_FLOAT:
2337                                                         GET_COLOR(float, 3, 1.0, 0);
2338                                                         break;
2339                                                 case BC_RGBA_FLOAT:
2340                                                         GET_COLOR(float, 4, 1.0, 0);
2341                                                         break;
2342                                         }
2343                                 }
2344                         }
2345
2346                         mwindow->edl->local_session->red /= (row2 - row1) * (column2 - column1);
2347                         mwindow->edl->local_session->green /= (row2 - row1) * (column2 - column1);
2348                         mwindow->edl->local_session->blue /= (row2 - row1) * (column2 - column1);
2349
2350                 }
2351                 else
2352                 {
2353                         mwindow->edl->local_session->red = 0;
2354                         mwindow->edl->local_session->green = 0;
2355                         mwindow->edl->local_session->blue = 0;
2356                         gui->eyedrop_visible = 0;
2357                 }
2358
2359
2360                 gui->update_tool();
2361
2362
2363
2364                 result = 1;
2365 // Can't rerender since the color value is from the output of any effect it
2366 // goes into.
2367 //              rerender = 1;
2368                 mwindow->undo->update_undo_after(_("Eyedrop"), LOAD_SESSION);
2369         }
2370
2371         return result;
2372 }
2373
2374 int CWindowCanvas::need_overlays()
2375 {
2376         if( mwindow->edl->session->safe_regions ) return 1;
2377         if( mwindow->edl->session->cwindow_scrollbars ) return 1;
2378         if( gui->highlighted ) return 1;
2379         switch( mwindow->edl->session->cwindow_operation ) {
2380                 case CWINDOW_EYEDROP:
2381                         if( ! gui->eyedrop_visible ) break;
2382                 case CWINDOW_CAMERA:
2383                 case CWINDOW_PROJECTOR:
2384                 case CWINDOW_CROP:
2385                 case CWINDOW_MASK:
2386                 case CWINDOW_RULER:
2387                         return 1;
2388         }
2389         return 0;
2390 }
2391
2392 void CWindowCanvas::draw_overlays()
2393 {
2394         if(mwindow->edl->session->safe_regions)
2395         {
2396                 draw_safe_regions();
2397         }
2398
2399         if(mwindow->edl->session->cwindow_scrollbars)
2400         {
2401 // Always draw output rectangle
2402                 float x1, y1, x2, y2;
2403                 x1 = 0;
2404                 x2 = mwindow->edl->session->output_w;
2405                 y1 = 0;
2406                 y2 = mwindow->edl->session->output_h;
2407                 output_to_canvas(mwindow->edl, 0, x1, y1);
2408                 output_to_canvas(mwindow->edl, 0, x2, y2);
2409
2410                 get_canvas()->set_inverse();
2411                 get_canvas()->set_color(WHITE);
2412
2413                 get_canvas()->draw_rectangle((int)x1,
2414                                 (int)y1,
2415                                 (int)(x2 - x1),
2416                                 (int)(y2 - y1));
2417
2418                 get_canvas()->set_opaque();
2419         }
2420
2421         if(gui->highlighted)
2422         {
2423                 get_canvas()->set_color(WHITE);
2424                 get_canvas()->set_inverse();
2425                 get_canvas()->draw_rectangle(0, 0, get_canvas()->get_w(), get_canvas()->get_h());
2426                 get_canvas()->draw_rectangle(1, 1, get_canvas()->get_w() - 2, get_canvas()->get_h() - 2);
2427                 get_canvas()->set_opaque();
2428         }
2429
2430         int temp1 = 0, temp2 = 0;
2431 //printf("CWindowCanvas::draw_overlays 1 %d\n", mwindow->edl->session->cwindow_operation);
2432         switch(mwindow->edl->session->cwindow_operation)
2433         {
2434                 case CWINDOW_CAMERA:
2435                         draw_outlines(1);
2436                         break;
2437
2438                 case CWINDOW_PROJECTOR:
2439                         draw_outlines(0);
2440                         break;
2441
2442                 case CWINDOW_CROP:
2443                         draw_crop();
2444                         break;
2445
2446                 case CWINDOW_MASK:
2447                         do_mask(temp1, temp2, 0, 0, 1);
2448                         break;
2449
2450                 case CWINDOW_RULER:
2451                         do_ruler(1, 0, 0, 0);
2452                         break;
2453
2454                 case CWINDOW_EYEDROP:
2455                 if(gui->eyedrop_visible)
2456                 {
2457                         int rerender;
2458                         do_eyedrop(rerender, 0, 1);
2459                         gui->eyedrop_visible = 1;
2460                         break;
2461                 }
2462         }
2463 }
2464
2465 void CWindowCanvas::draw_safe_regions()
2466 {
2467         float action_x1, action_x2, action_y1, action_y2;
2468         float title_x1, title_x2, title_y1, title_y2;
2469
2470         action_x1 = mwindow->edl->session->output_w / 2 - mwindow->edl->session->output_w / 2 * 0.9;
2471         action_x2 = mwindow->edl->session->output_w / 2 + mwindow->edl->session->output_w / 2 * 0.9;
2472         action_y1 = mwindow->edl->session->output_h / 2 - mwindow->edl->session->output_h / 2 * 0.9;
2473         action_y2 = mwindow->edl->session->output_h / 2 + mwindow->edl->session->output_h / 2 * 0.9;
2474         title_x1 = mwindow->edl->session->output_w / 2 - mwindow->edl->session->output_w / 2 * 0.8;
2475         title_x2 = mwindow->edl->session->output_w / 2 + mwindow->edl->session->output_w / 2 * 0.8;
2476         title_y1 = mwindow->edl->session->output_h / 2 - mwindow->edl->session->output_h / 2 * 0.8;
2477         title_y2 = mwindow->edl->session->output_h / 2 + mwindow->edl->session->output_h / 2 * 0.8;
2478
2479         output_to_canvas(mwindow->edl, 0, action_x1, action_y1);
2480         output_to_canvas(mwindow->edl, 0, action_x2, action_y2);
2481         output_to_canvas(mwindow->edl, 0, title_x1, title_y1);
2482         output_to_canvas(mwindow->edl, 0, title_x2, title_y2);
2483
2484         get_canvas()->set_inverse();
2485         get_canvas()->set_color(WHITE);
2486
2487         get_canvas()->draw_rectangle((int)action_x1,
2488                         (int)action_y1,
2489                         (int)(action_x2 - action_x1),
2490                         (int)(action_y2 - action_y1));
2491         get_canvas()->draw_rectangle((int)title_x1,
2492                         (int)title_y1,
2493                         (int)(title_x2 - title_x1),
2494                         (int)(title_y2 - title_y1));
2495
2496         get_canvas()->set_opaque();
2497 }
2498
2499
2500 void CWindowCanvas::create_keyframe(int do_camera)
2501 {
2502         Track *affected_track = gui->cwindow->calculate_affected_track();
2503         if( affected_track ) {
2504                 double pos = mwindow->edl->local_session->get_selectionstart(1);
2505                 int64_t position = affected_track->to_units(pos, 0);
2506                 int ix = do_camera ? AUTOMATION_CAMERA_X : AUTOMATION_PROJECTOR_X;
2507                 int iy = do_camera ? AUTOMATION_CAMERA_Y : AUTOMATION_PROJECTOR_Y;
2508                 int iz = do_camera ? AUTOMATION_CAMERA_Z : AUTOMATION_PROJECTOR_Z;
2509                 FloatAuto *prev, *next;
2510                 FloatAutos **autos = (FloatAutos**)affected_track->automation->autos;
2511                 FloatAutos *x_autos = autos[ix];  prev = 0;  next = 0;
2512                 float x_value = x_autos->get_value(position, PLAY_FORWARD, prev, next);
2513                 FloatAutos *y_autos = autos[iy];  prev = 0;  next = 0;
2514                 float y_value = y_autos->get_value(position, PLAY_FORWARD, prev, next);
2515                 FloatAutos *z_autos = autos[iz];  prev = 0;  next = 0;
2516                 float z_value = z_autos->get_value(position, PLAY_FORWARD, prev, next);
2517                 FloatAuto *x_keyframe = 0, *y_keyframe = 0, *z_keyframe = 0;
2518
2519                 gui->cwindow->calculate_affected_autos(affected_track,
2520                         &x_keyframe, &y_keyframe, &z_keyframe,
2521                         do_camera, -1, -1, -1, 0);
2522                 x_keyframe->set_value(x_value);
2523                 y_keyframe->set_value(y_value);
2524                 z_keyframe->set_value(z_value);
2525
2526                 gui->sync_parameters(CHANGE_PARAMS, 1, 1);
2527         }
2528 }
2529
2530 void CWindowCanvas::camera_keyframe() { create_keyframe(1); }
2531 void CWindowCanvas::projector_keyframe() { create_keyframe(0); }
2532
2533 void CWindowCanvas::reset_keyframe(int do_camera)
2534 {
2535         Track *affected_track = gui->cwindow->calculate_affected_track();
2536         if( affected_track ) {
2537                 FloatAuto *x_keyframe = 0, *y_keyframe = 0, *z_keyframe = 0;
2538                 gui->cwindow->calculate_affected_autos(affected_track,
2539                         &x_keyframe, &y_keyframe, &z_keyframe,
2540                         do_camera, 1, 1, 1);
2541
2542                 x_keyframe->set_value(0);
2543                 y_keyframe->set_value(0);
2544                 z_keyframe->set_value(1);
2545
2546                 gui->sync_parameters(CHANGE_PARAMS, 1, 1);
2547         }
2548 }
2549
2550 void CWindowCanvas::reset_camera() { reset_keyframe(1); }
2551 void CWindowCanvas::reset_projector() { reset_keyframe(0); }
2552
2553
2554 int CWindowCanvas::test_crop(int button_press, int &redraw)
2555 {
2556         int result = 0;
2557         int handle_selected = -1;
2558         float x1 = mwindow->edl->session->crop_x1;
2559         float y1 = mwindow->edl->session->crop_y1;
2560         float x2 = mwindow->edl->session->crop_x2;
2561         float y2 = mwindow->edl->session->crop_y2;
2562         float cursor_x = get_cursor_x();
2563         float cursor_y = get_cursor_y();
2564         float canvas_x1 = x1;
2565         float canvas_y1 = y1;
2566         float canvas_x2 = x2;
2567         float canvas_y2 = y2;
2568         float canvas_cursor_x = cursor_x;
2569         float canvas_cursor_y = cursor_y;
2570
2571         canvas_to_output(mwindow->edl, 0, cursor_x, cursor_y);
2572 // Use screen normalized coordinates for hot spot tests.
2573         output_to_canvas(mwindow->edl, 0, canvas_x1, canvas_y1);
2574         output_to_canvas(mwindow->edl, 0, canvas_x2, canvas_y2);
2575
2576
2577         if(gui->current_operation == CWINDOW_CROP)
2578         {
2579                 handle_selected = gui->crop_handle;
2580         }
2581         else
2582         if(canvas_cursor_x >= canvas_x1 && canvas_cursor_x < canvas_x1 + CROPHANDLE_W &&
2583                 canvas_cursor_y >= canvas_y1 && canvas_cursor_y < canvas_y1 + CROPHANDLE_H)
2584         {
2585                 handle_selected = 0;
2586                 gui->crop_origin_x = x1;
2587                 gui->crop_origin_y = y1;
2588         }
2589         else
2590         if(canvas_cursor_x >= canvas_x2 - CROPHANDLE_W && canvas_cursor_x < canvas_x2 &&
2591                 canvas_cursor_y >= canvas_y1 && canvas_cursor_y < canvas_y1 + CROPHANDLE_H)
2592         {
2593                 handle_selected = 1;
2594                 gui->crop_origin_x = x2;
2595                 gui->crop_origin_y = y1;
2596         }
2597         else
2598         if(canvas_cursor_x >= canvas_x1 && canvas_cursor_x < canvas_x1 + CROPHANDLE_W &&
2599                 canvas_cursor_y >= canvas_y2 - CROPHANDLE_H && canvas_cursor_y < canvas_y2)
2600         {
2601                 handle_selected = 2;
2602                 gui->crop_origin_x = x1;
2603                 gui->crop_origin_y = y2;
2604         }
2605         else
2606         if(canvas_cursor_x >= canvas_x2 - CROPHANDLE_W && canvas_cursor_x < canvas_x2 &&
2607                 canvas_cursor_y >= canvas_y2 - CROPHANDLE_H && canvas_cursor_y < canvas_y2)
2608         {
2609                 handle_selected = 3;
2610                 gui->crop_origin_x = x2;
2611                 gui->crop_origin_y = y2;
2612         }
2613         else
2614 // Start new box
2615         {
2616                 gui->crop_origin_x = cursor_x;
2617                 gui->crop_origin_y = cursor_y;
2618         }
2619
2620 // printf("test crop %d %d\n",
2621 //      gui->current_operation,
2622 //      handle_selected);
2623
2624 // Start dragging.
2625         if(button_press)
2626         {
2627                 if(gui->alt_down())
2628                 {
2629                         gui->crop_translate = 1;
2630                         gui->crop_origin_x1 = x1;
2631                         gui->crop_origin_y1 = y1;
2632                         gui->crop_origin_x2 = x2;
2633                         gui->crop_origin_y2 = y2;
2634                 }
2635                 else
2636                         gui->crop_translate = 0;
2637
2638                 gui->current_operation = CWINDOW_CROP;
2639                 gui->crop_handle = handle_selected;
2640                 gui->x_origin = cursor_x;
2641                 gui->y_origin = cursor_y;
2642                 gui->tool_panel->raise_window();
2643                 result = 1;
2644
2645                 if(handle_selected < 0 && !gui->crop_translate)
2646                 {
2647                         x2 = x1 = cursor_x;
2648                         y2 = y1 = cursor_y;
2649                         mwindow->edl->session->crop_x1 = (int)x1;
2650                         mwindow->edl->session->crop_y1 = (int)y1;
2651                         mwindow->edl->session->crop_x2 = (int)x2;
2652                         mwindow->edl->session->crop_y2 = (int)y2;
2653                         redraw = 1;
2654                 }
2655         }
2656         else
2657 // Translate all 4 points
2658         if(gui->current_operation == CWINDOW_CROP && gui->crop_translate)
2659         {
2660                 x1 = cursor_x - gui->x_origin + gui->crop_origin_x1;
2661                 y1 = cursor_y - gui->y_origin + gui->crop_origin_y1;
2662                 x2 = cursor_x - gui->x_origin + gui->crop_origin_x2;
2663                 y2 = cursor_y - gui->y_origin + gui->crop_origin_y2;
2664
2665                 mwindow->edl->session->crop_x1 = (int)x1;
2666                 mwindow->edl->session->crop_y1 = (int)y1;
2667                 mwindow->edl->session->crop_x2 = (int)x2;
2668                 mwindow->edl->session->crop_y2 = (int)y2;
2669                 result = 1;
2670                 redraw = 1;
2671         }
2672         else
2673 // Update dragging
2674         if(gui->current_operation == CWINDOW_CROP)
2675         {
2676                 switch(gui->crop_handle)
2677                 {
2678                         case -1:
2679                                 x1 = gui->crop_origin_x;
2680                                 y1 = gui->crop_origin_y;
2681                                 x2 = gui->crop_origin_x;
2682                                 y2 = gui->crop_origin_y;
2683                                 if(cursor_x < gui->x_origin)
2684                                 {
2685                                         if(cursor_y < gui->y_origin)
2686                                         {
2687                                                 x1 = cursor_x;
2688                                                 y1 = cursor_y;
2689                                         }
2690                                         else
2691                                         if(cursor_y >= gui->y_origin)
2692                                         {
2693                                                 x1 = cursor_x;
2694                                                 y2 = cursor_y;
2695                                         }
2696                                 }
2697                                 else
2698                                 if(cursor_x  >= gui->x_origin)
2699                                 {
2700                                         if(cursor_y < gui->y_origin)
2701                                         {
2702                                                 y1 = cursor_y;
2703                                                 x2 = cursor_x;
2704                                         }
2705                                         else
2706                                         if(cursor_y >= gui->y_origin)
2707                                         {
2708                                                 x2 = cursor_x;
2709                                                 y2 = cursor_y;
2710                                         }
2711                                 }
2712
2713 // printf("test crop %d %d %d %d\n",
2714 //      mwindow->edl->session->crop_x1,
2715 //      mwindow->edl->session->crop_y1,
2716 //      mwindow->edl->session->crop_x2,
2717 //      mwindow->edl->session->crop_y2);
2718                                 break;
2719                         case 0:
2720                                 x1 = cursor_x - gui->x_origin + gui->crop_origin_x;
2721                                 y1 = cursor_y - gui->y_origin + gui->crop_origin_y;
2722                                 break;
2723                         case 1:
2724                                 x2 = cursor_x - gui->x_origin + gui->crop_origin_x;
2725                                 y1 = cursor_y - gui->y_origin + gui->crop_origin_y;
2726                                 break;
2727                         case 2:
2728                                 x1 = cursor_x - gui->x_origin + gui->crop_origin_x;
2729                                 y2 = cursor_y - gui->y_origin + gui->crop_origin_y;
2730                                 break;
2731                         case 3:
2732                                 x2 = cursor_x - gui->x_origin + gui->crop_origin_x;
2733                                 y2 = cursor_y - gui->y_origin + gui->crop_origin_y;
2734                                 break;
2735                 }
2736
2737                 if(!EQUIV(mwindow->edl->session->crop_x1, x1) ||
2738                         !EQUIV(mwindow->edl->session->crop_x2, x2) ||
2739                         !EQUIV(mwindow->edl->session->crop_y1, y1) ||
2740                         !EQUIV(mwindow->edl->session->crop_y2, y2))
2741                 {
2742                         if (x1 > x2)
2743                         {
2744                                 float tmp = x1;
2745                                 x1 = x2;
2746                                 x2 = tmp;
2747                                 switch (gui->crop_handle)
2748                                 {
2749                                         case 0: gui->crop_handle = 1; break;
2750                                         case 1: gui->crop_handle = 0; break;
2751                                         case 2: gui->crop_handle = 3; break;
2752                                         case 3: gui->crop_handle = 2; break;
2753                                         default: break;
2754                                 }
2755                         }
2756
2757                         if (y1 > y2)
2758                         {
2759                                 float tmp = y1;
2760                                 y1 = y2;
2761                                 y2 = tmp;
2762                                 switch (gui->crop_handle)
2763                                 {
2764                                         case 0: gui->crop_handle = 2; break;
2765                                         case 1: gui->crop_handle = 3; break;
2766                                         case 2: gui->crop_handle = 0; break;
2767                                         case 3: gui->crop_handle = 1; break;
2768                                         default: break;
2769                                 }
2770                         }
2771
2772                         mwindow->edl->session->crop_x1 = (int)x1;
2773                         mwindow->edl->session->crop_y1 = (int)y1;
2774                         mwindow->edl->session->crop_x2 = (int)x2;
2775                         mwindow->edl->session->crop_y2 = (int)y2;
2776                         result = 1;
2777                         redraw = 1;
2778                 }
2779         }
2780         else
2781 // Update cursor font
2782         if(handle_selected >= 0)
2783         {
2784                 switch(handle_selected)
2785                 {
2786                         case 0:
2787                                 set_cursor(UPLEFT_RESIZE);
2788                                 break;
2789                         case 1:
2790                                 set_cursor(UPRIGHT_RESIZE);
2791                                 break;
2792                         case 2:
2793                                 set_cursor(DOWNLEFT_RESIZE);
2794                                 break;
2795                         case 3:
2796                                 set_cursor(DOWNRIGHT_RESIZE);
2797                                 break;
2798                 }
2799                 result = 1;
2800         }
2801         else
2802         {
2803                 set_cursor(ARROW_CURSOR);
2804         }
2805 #define CLAMP(x, y, z) ((x) = ((x) < (y) ? (y) : ((x) > (z) ? (z) : (x))))
2806
2807         if(redraw)
2808         {
2809                 CLAMP(mwindow->edl->session->crop_x1, 0, mwindow->edl->session->output_w);
2810                 CLAMP(mwindow->edl->session->crop_x2, 0, mwindow->edl->session->output_w);
2811                 CLAMP(mwindow->edl->session->crop_y1, 0, mwindow->edl->session->output_h);
2812                 CLAMP(mwindow->edl->session->crop_y2, 0, mwindow->edl->session->output_h);
2813 // printf("CWindowCanvas::test_crop %d %d %d %d\n",
2814 //      mwindow->edl->session->crop_x2,
2815 //      mwindow->edl->session->crop_y2,
2816 //      mwindow->edl->calculate_output_w(0),
2817 //      mwindow->edl->calculate_output_h(0));
2818         }
2819         return result;
2820 }
2821
2822
2823 void CWindowCanvas::draw_crop()
2824 {
2825         get_canvas()->set_inverse();
2826         get_canvas()->set_color(WHITE);
2827
2828         float x1 = mwindow->edl->session->crop_x1;
2829         float y1 = mwindow->edl->session->crop_y1;
2830         float x2 = mwindow->edl->session->crop_x2;
2831         float y2 = mwindow->edl->session->crop_y2;
2832
2833         output_to_canvas(mwindow->edl, 0, x1, y1);
2834         output_to_canvas(mwindow->edl, 0, x2, y2);
2835
2836         if(x2 - x1 && y2 - y1)
2837                 get_canvas()->draw_rectangle((int)x1,
2838                         (int)y1,
2839                         (int)(x2 - x1),
2840                         (int)(y2 - y1));
2841
2842         draw_crophandle((int)x1, (int)y1);
2843         draw_crophandle((int)x2 - CROPHANDLE_W, (int)y1);
2844         draw_crophandle((int)x1, (int)y2 - CROPHANDLE_H);
2845         draw_crophandle((int)x2 - CROPHANDLE_W, (int)y2 - CROPHANDLE_H);
2846         get_canvas()->set_opaque();
2847 }
2848
2849
2850 void CWindowCanvas::draw_outlines(int do_camera)
2851 {
2852         Track *track = gui->cwindow->calculate_affected_track();
2853
2854         if(!track) return;
2855
2856         float proj_x, proj_y, proj_z;
2857         int64_t position = track->to_units(
2858                 mwindow->edl->local_session->get_selectionstart(1),
2859                 0);
2860         track->automation->get_projector(&proj_x, &proj_y, &proj_z,
2861                                 position, PLAY_FORWARD);
2862
2863         proj_x += mwindow->edl->session->output_w/2.;
2864         proj_y += mwindow->edl->session->output_h/2.;
2865         float proj_x1 = proj_x - track->track_w/2. * proj_z;
2866         float proj_y1 = proj_y - track->track_h/2. * proj_z;
2867         float proj_x2 = proj_x + track->track_w/2. * proj_z;
2868         float proj_y2 = proj_y + track->track_h/2. * proj_z;
2869         float x1 = proj_x1, x2 = proj_x2;
2870         float y1 = proj_y1, y2 = proj_y2;
2871         output_to_canvas(mwindow->edl, 0, x1, y1);
2872         output_to_canvas(mwindow->edl, 0, x2, y2);
2873
2874 #define DRAW_PROJECTION(offset) \
2875         get_canvas()->draw_rectangle(x1+offset, y1+offset, (x2-x1), (y2-y1)); \
2876         get_canvas()->draw_line(x1+offset, y1+offset, x2+offset, y2+offset); \
2877         get_canvas()->draw_line(x2+offset, y1+offset, x1+offset, y2+offset); \
2878
2879 // Drop shadow
2880         get_canvas()->set_color(BLACK);
2881         DRAW_PROJECTION(1);
2882         get_canvas()->set_color(do_camera ? GREEN : RED);
2883         DRAW_PROJECTION(0);
2884
2885         if( do_camera ) {
2886                 float cam_x, cam_y, cam_z;
2887                 track->automation->get_camera(&cam_x, &cam_y, &cam_z,
2888                                         position, PLAY_FORWARD);
2889                 cam_x += track->track_w / 2.;
2890                 cam_y += track->track_h / 2.;
2891 // follow image, not camera
2892                 cam_x = -cam_x;  cam_y = -cam_y;  cam_z *= proj_z;
2893                 float cam_x1 = cam_x * cam_z + proj_x;
2894                 float cam_y1 = cam_y * cam_z + proj_y;
2895                 float cam_x2 = (cam_x + track->track_w) * cam_z + proj_x;
2896                 float cam_y2 = (cam_y + track->track_h) * cam_z + proj_y;
2897                 output_to_canvas(mwindow->edl, 0, cam_x1, cam_y1);
2898                 output_to_canvas(mwindow->edl, 0, cam_x2, cam_y2);
2899                 get_canvas()->set_color(YELLOW);
2900                 get_canvas()->draw_rectangle(cam_x1, cam_y1, cam_x2-cam_x1, cam_y2-cam_y1);
2901         }
2902 }
2903
2904 int CWindowCanvas::test_bezier(int button_press,
2905         int &redraw,
2906         int &redraw_canvas,
2907         int &rerender,
2908         int do_camera)
2909 {
2910         int result = 0;
2911
2912 // Processing drag operation.
2913 // Create keyframe during first cursor motion.
2914         if( !button_press ) {
2915
2916                 float cursor_x = get_cursor_x();
2917                 float cursor_y = get_cursor_y();
2918                 canvas_to_output(mwindow->edl, 0, cursor_x, cursor_y);
2919
2920                 if( gui->current_operation == CWINDOW_CAMERA ||
2921                     gui->current_operation == CWINDOW_PROJECTOR ) {
2922                         if( !gui->ctrl_down() && gui->shift_down() && !gui->translating_zoom ) {
2923                                 gui->translating_zoom = 1;
2924                                 gui->reset_affected();
2925                         }
2926                         else if( !gui->ctrl_down() && !gui->shift_down() && gui->translating_zoom ) {
2927                                 gui->translating_zoom = 0;
2928                                 gui->reset_affected();
2929                         }
2930
2931 // Get target keyframe
2932                         if( !gui->affected_x && !gui->affected_y && !gui->affected_z ) {
2933                                 if(!gui->affected_track) return 0;
2934                                 FloatAutos *affected_x_autos, *affected_y_autos, *affected_z_autos;
2935                                 FloatAutos** autos = (FloatAutos**) gui->affected_track->automation->autos;
2936                                 if( mwindow->edl->session->cwindow_operation == CWINDOW_CAMERA ) {
2937                                         affected_x_autos = autos[AUTOMATION_CAMERA_X];
2938                                         affected_y_autos = autos[AUTOMATION_CAMERA_Y];
2939                                         affected_z_autos = autos[AUTOMATION_CAMERA_Z];
2940                                 }
2941                                 else {
2942                                         affected_x_autos = autos[AUTOMATION_PROJECTOR_X];
2943                                         affected_y_autos = autos[AUTOMATION_PROJECTOR_Y];
2944                                         affected_z_autos = autos[AUTOMATION_PROJECTOR_Z];
2945                                 }
2946                                 double position = mwindow->edl->local_session->get_selectionstart(1);
2947                                 int64_t track_position = gui->affected_track->to_units(position, 0);
2948                                 FloatAuto *prev_x = 0, *next_x = 0;
2949                                 float new_x = affected_x_autos->get_value(track_position, PLAY_FORWARD, prev_x, next_x);
2950                                 FloatAuto *prev_y = 0, *next_y = 0;
2951                                 float new_y = affected_y_autos->get_value(track_position, PLAY_FORWARD, prev_y, next_y);
2952                                 FloatAuto *prev_z = 0, *next_z = 0;
2953                                 float new_z = affected_z_autos->get_value(track_position, PLAY_FORWARD, prev_z, next_z);
2954                                 int zooming = gui->translating_zoom, created;
2955                                 gui->affected_x = (FloatAuto*)gui->cwindow->calculate_affected_auto(
2956                                                         affected_x_autos, !zooming, &created, 0);
2957                                 if( created ) {
2958                                         gui->affected_x->set_value(new_x);
2959                                         redraw_canvas = 1;
2960                                 }
2961                                 gui->affected_y = (FloatAuto*)gui->cwindow->calculate_affected_auto(
2962                                                         affected_y_autos, !zooming, &created, 0);
2963                                 if( created ) {
2964                                         gui->affected_y->set_value(new_y);
2965                                         redraw_canvas = 1;
2966                                 }
2967                                 gui->affected_z = (FloatAuto*)gui->cwindow->calculate_affected_auto(
2968                                                         affected_z_autos, zooming, &created, 0);
2969                                 if( created ) {
2970                                         gui->affected_z->set_value(new_z);
2971                                         redraw_canvas = 1;
2972                                 }
2973                                 calculate_origin();
2974
2975                                 if( gui->translating_zoom ) {
2976                                         gui->center_z = gui->affected_z->get_value();
2977                                 }
2978                                 else {
2979                                         gui->center_x = gui->affected_x->get_value();
2980                                         gui->center_y = gui->affected_y->get_value();
2981                                 }
2982
2983                                 rerender = 1;
2984                                 redraw = 1;
2985                         }
2986
2987                         float x_val = gui->affected_x->get_value();
2988                         float y_val = gui->affected_y->get_value();
2989                         float z_val = gui->affected_z->get_value();
2990
2991                         if( gui->translating_zoom ) {
2992                                 float z = gui->center_z + (cursor_y - gui->y_origin) / 128;
2993                                 if( z < 0 ) z = 0;
2994                                 if( !EQUIV(z_val, z) ) {
2995                                         rerender = 1;
2996                                         redraw = 1;
2997                                         redraw_canvas = 1;
2998                                 }
2999                                 gui->affected_z->set_value(z);
3000                         }
3001                         else {
3002                                 float dx = cursor_x - gui->x_origin;
3003                                 float dy = cursor_y - gui->y_origin;
3004 // follow image, not camera
3005                                 if( gui->current_operation == CWINDOW_CAMERA ) {
3006                                         dx = -dx / z_val;  dy = -dy / z_val;
3007                                 }
3008                                 float x = gui->center_x + dx;
3009                                 float y = gui->center_y + dy;
3010                                 gui->affected_x->set_value(x);
3011                                 gui->affected_y->set_value(y);
3012                                 if( !EQUIV(x_val, x) || !EQUIV(y_val, y) ) {
3013                                         rerender = 1;
3014                                         redraw = 1;
3015                                         redraw_canvas = 1;
3016                                 }
3017                         }
3018                 }
3019
3020                 result = 1;
3021         }
3022         else
3023 // Begin drag operation.  Don't create keyframe here.
3024         {
3025 // Get affected track off of the first recordable video track.
3026 // Calculating based on the alpha channel would require recording what layer
3027 // each output pixel belongs to as they're rendered and stacked.  Forget it.
3028                 gui->affected_track = gui->cwindow->calculate_affected_track();
3029                 gui->reset_affected();
3030
3031                 if(gui->affected_track)
3032                 {
3033                         if( do_camera )
3034                                 mwindow->undo->update_undo_before(_("camera"), this);
3035                         else
3036                                 mwindow->undo->update_undo_before(_("projector"), this);
3037
3038                         gui->current_operation =
3039                                 mwindow->edl->session->cwindow_operation;
3040                         gui->tool_panel->raise_window();
3041                         result = 1;
3042                 }
3043         }
3044
3045         return result;
3046 }
3047
3048
3049 int CWindowCanvas::test_zoom(int &redraw)
3050 {
3051         int result = 0;
3052         float x, y;
3053         float zoom = 0;
3054
3055         if( mwindow->edl->session->cwindow_scrollbars ) {
3056                 if( *gui->zoom_panel->get_text() != 'x' ) {
3057 // Find current zoom in table
3058                         int idx = total_zooms;  float old_zoom = get_zoom();
3059                         while( --idx >= 0 && !EQUIV(my_zoom_table[idx], old_zoom) );
3060                         if( idx >= 0 ) {
3061                                 idx += get_buttonpress() == 5 ||
3062                                          gui->ctrl_down() || gui->shift_down() ?  -1 : +1 ;
3063                                 CLAMP(idx, 0, total_zooms-1);
3064                                 zoom = my_zoom_table[idx];
3065                         }
3066                 }
3067                 x = get_cursor_x();  y = get_cursor_y();
3068                 if( !zoom ) {
3069                         mwindow->edl->session->cwindow_scrollbars = 0;
3070                         gui->zoom_panel->update(0);
3071                         zoom = gui->get_auto_zoom();
3072                 }
3073                 else {
3074                         gui->zoom_panel->ZoomPanel::update(zoom);
3075                         float output_x = x, output_y = y;
3076                         canvas_to_output(mwindow->edl, 0, output_x, output_y);
3077                         x = output_x - x / zoom;
3078                         y = output_y - y / zoom;
3079                 }
3080         }
3081         else {
3082                 mwindow->edl->session->cwindow_scrollbars = 1;
3083                 x = (mwindow->edl->session->output_w - w) / 2;
3084                 y = (mwindow->edl->session->output_h - h) / 2;
3085                 zoom = 1;
3086         }
3087         update_zoom((int)x, (int)y, zoom);
3088
3089         gui->composite_panel->cpanel_zoom->update(zoom);
3090
3091         reposition_window(mwindow->edl,
3092                         mwindow->theme->ccanvas_x, mwindow->theme->ccanvas_y,
3093                         mwindow->theme->ccanvas_w, mwindow->theme->ccanvas_h);
3094         redraw = 1;  result = 1;
3095
3096         return result;
3097 }
3098
3099
3100 void CWindowCanvas::calculate_origin()
3101 {
3102         gui->x_origin = get_cursor_x();
3103         gui->y_origin = get_cursor_y();
3104 //printf("CWindowCanvas::calculate_origin 1 %f %f\n", gui->x_origin, gui->y_origin);
3105         canvas_to_output(mwindow->edl, 0, gui->x_origin, gui->y_origin);
3106 //printf("CWindowCanvas::calculate_origin 2 %f %f\n", gui->x_origin, gui->y_origin);
3107 }
3108
3109
3110 int CWindowCanvas::cursor_leave_event()
3111 {
3112         set_cursor(ARROW_CURSOR);
3113         return 1;
3114 }
3115
3116 int CWindowCanvas::cursor_enter_event()
3117 {
3118         int redraw = 0;
3119         switch(mwindow->edl->session->cwindow_operation)
3120         {
3121                 case CWINDOW_CAMERA:
3122                 case CWINDOW_PROJECTOR:
3123                         set_cursor(MOVE_CURSOR);
3124                         break;
3125                 case CWINDOW_ZOOM:
3126                         set_cursor(MOVE_CURSOR);
3127                         break;
3128                 case CWINDOW_CROP:
3129                         test_crop(0, redraw);
3130                         break;
3131                 case CWINDOW_PROTECT:
3132                         set_cursor(ARROW_CURSOR);
3133                         break;
3134                 case CWINDOW_MASK:
3135                 case CWINDOW_RULER:
3136                         set_cursor(CROSS_CURSOR);
3137                         break;
3138                 case CWINDOW_EYEDROP:
3139                         set_cursor(CROSS_CURSOR);
3140                         break;
3141         }
3142         return 1;
3143 }
3144
3145 int CWindowCanvas::cursor_motion_event()
3146 {
3147         int redraw = 0, result = 0, rerender = 0, redraw_canvas = 0;
3148
3149
3150 //printf("CWindowCanvas::cursor_motion_event %d current_operation=%d\n", __LINE__, gui->current_operation);
3151         switch(gui->current_operation)
3152         {
3153                 case CWINDOW_SCROLL:
3154                 {
3155                         float zoom = get_zoom();
3156                         float cursor_x = get_cursor_x();
3157                         float cursor_y = get_cursor_y();
3158
3159                         float zoom_x, zoom_y, conformed_w, conformed_h;
3160                         get_zooms(mwindow->edl, 0, zoom_x, zoom_y, conformed_w, conformed_h);
3161                         cursor_x = (float)cursor_x / zoom_x + gui->x_offset;
3162                         cursor_y = (float)cursor_y / zoom_y + gui->y_offset;
3163
3164
3165
3166                         int x = (int)(gui->x_origin - cursor_x + gui->x_offset);
3167                         int y = (int)(gui->y_origin - cursor_y + gui->y_offset);
3168
3169                         update_zoom(x,
3170                                 y,
3171                                 zoom);
3172                         update_scrollbars(0);
3173                         redraw = 1;
3174                         result = 1;
3175                         break;
3176                 }
3177
3178                 case CWINDOW_RULER:
3179                         result = do_ruler(0, 1, 0, 0);
3180                         break;
3181
3182                 case CWINDOW_CAMERA:
3183                         result = test_bezier(0, redraw, redraw_canvas, rerender, 1);
3184                         break;
3185
3186                 case CWINDOW_PROJECTOR:
3187                         result = test_bezier(0, redraw, redraw_canvas, rerender, 0);
3188                         break;
3189
3190
3191                 case CWINDOW_CROP:
3192                         result = test_crop(0, redraw);
3193 // printf("CWindowCanvas::cursor_motion_event %d result=%d redraw=%d\n",
3194 // __LINE__,
3195 // result,
3196 // redraw);
3197                         break;
3198
3199                 case CWINDOW_MASK:
3200                 case CWINDOW_MASK_CONTROL_IN:
3201                 case CWINDOW_MASK_CONTROL_OUT:
3202                 case CWINDOW_MASK_TRANSLATE:
3203
3204                         result = do_mask(redraw,
3205                                 rerender,
3206                                 0,
3207                                 1,
3208                                 0);
3209                         break;
3210
3211                 case CWINDOW_EYEDROP:
3212                         result = do_eyedrop(rerender, 0, 0);
3213                         break;
3214
3215                 default:
3216                         break;
3217
3218         }
3219
3220
3221 // cursor font changes
3222         if(!result)
3223         {
3224 // printf("CWindowCanvas::cursor_motion_event %d cwindow_operation=%d\n",
3225 // __LINE__,
3226 // mwindow->edl->session->cwindow_operation);
3227                 switch(mwindow->edl->session->cwindow_operation)
3228                 {
3229                         case CWINDOW_CROP:
3230                                 result = test_crop(0, redraw);
3231                                 break;
3232                         case CWINDOW_RULER:
3233                                 result = do_ruler(0, 1, 0, 0);
3234                                 break;
3235                         case CWINDOW_MASK:
3236                                 result = do_mask(redraw,
3237                                         rerender,
3238                                         0,
3239                                         1,
3240                                         0);
3241                                         break;
3242                 }
3243         }
3244
3245         int change_type = rerender ? CHANGE_PARAMS : -1;
3246         gui->sync_parameters(change_type, redraw, redraw_canvas);
3247
3248         return result;
3249 }
3250
3251 int CWindowCanvas::button_press_event()
3252 {
3253         int result = 0;
3254         int redraw = 0;
3255         int redraw_canvas = 0;
3256         int rerender = 0;
3257
3258         if(Canvas::button_press_event()) return 1;
3259
3260         gui->translating_zoom = gui->shift_down();
3261
3262         calculate_origin();
3263 //printf("CWindowCanvas::button_press_event 2 %f %f\n", gui->x_origin, gui->y_origin, gui->x_origin, gui->y_origin);
3264
3265         float zoom_x, zoom_y, conformed_w, conformed_h;
3266         get_zooms(mwindow->edl, 0, zoom_x, zoom_y, conformed_w, conformed_h);
3267         gui->x_offset = get_x_offset(mwindow->edl, 0, zoom_x, conformed_w, conformed_h);
3268         gui->y_offset = get_y_offset(mwindow->edl, 0, zoom_y, conformed_w, conformed_h);
3269
3270 // Scroll view
3271         if( mwindow->edl->session->cwindow_operation != CWINDOW_PROTECT &&
3272             get_buttonpress() == 2 )
3273         {
3274                 gui->current_operation = CWINDOW_SCROLL;
3275                 result = 1;
3276         }
3277         else
3278 // Adjust parameter
3279         {
3280                 switch(mwindow->edl->session->cwindow_operation)
3281                 {
3282                         case CWINDOW_RULER:
3283                                 result = do_ruler(0, 0, 1, 0);
3284                                 break;
3285
3286                         case CWINDOW_CAMERA:
3287                                 result = test_bezier(1, redraw, redraw_canvas, rerender, 1);
3288                                 break;
3289
3290                         case CWINDOW_PROJECTOR:
3291                                 result = test_bezier(1, redraw, redraw_canvas, rerender, 0);
3292                                 break;
3293
3294                         case CWINDOW_ZOOM:
3295                                 result = test_zoom(redraw);
3296                                 break;
3297
3298                         case CWINDOW_CROP:
3299                                 result = test_crop(1, redraw);
3300                                 break;
3301
3302                         case CWINDOW_MASK:
3303                                 if(get_buttonpress() == 1)
3304                                         result = do_mask(redraw, rerender, 1, 0, 0);
3305                                 break;
3306
3307                         case CWINDOW_EYEDROP:
3308                                 result = do_eyedrop(rerender, 1, 0);
3309                                 break;
3310                 }
3311         }
3312
3313         int change_type = rerender ? CHANGE_PARAMS : -1;
3314         gui->sync_parameters(change_type, redraw, redraw_canvas);
3315
3316         return result;
3317 }
3318
3319 int CWindowCanvas::button_release_event()
3320 {
3321         int result = 0;
3322
3323         switch(gui->current_operation)
3324         {
3325                 case CWINDOW_SCROLL:
3326                         result = 1;
3327                         break;
3328
3329                 case CWINDOW_RULER:
3330                         do_ruler(0, 0, 0, 1);
3331                         break;
3332
3333                 case CWINDOW_CAMERA:
3334                         mwindow->undo->update_undo_after(_("camera"), LOAD_AUTOMATION);
3335                         break;
3336
3337                 case CWINDOW_PROJECTOR:
3338                         mwindow->undo->update_undo_after(_("projector"), LOAD_AUTOMATION);
3339                         break;
3340
3341                 case CWINDOW_MASK:
3342                 case CWINDOW_MASK_CONTROL_IN:
3343                 case CWINDOW_MASK_CONTROL_OUT:
3344                 case CWINDOW_MASK_TRANSLATE:
3345 // Finish mask operation
3346                         gui->mask_keyframe = 0;
3347                         mwindow->undo->update_undo_after(_("mask"), LOAD_AUTOMATION);
3348                         break;
3349                 case CWINDOW_NONE:
3350                         result = Canvas::button_release_event();
3351                         break;
3352         }
3353
3354         gui->current_operation = CWINDOW_NONE;
3355         return result;
3356 }
3357
3358 void CWindowCanvas::zoom_resize_window(float percentage)
3359 {
3360         int canvas_w, canvas_h;
3361         int new_w, new_h;
3362
3363
3364 // Get required canvas size
3365         calculate_sizes(mwindow->edl->get_aspect_ratio(),
3366                 mwindow->edl->session->output_w,
3367                 mwindow->edl->session->output_h,
3368                 percentage,
3369                 canvas_w,
3370                 canvas_h);
3371
3372 // Estimate window size from current borders
3373         new_w = canvas_w + (gui->get_w() - mwindow->theme->ccanvas_w);
3374         new_h = canvas_h + (gui->get_h() - mwindow->theme->ccanvas_h);
3375
3376 //printf("CWindowCanvas::zoom_resize_window %d %d %d\n", __LINE__, new_w, new_h);
3377         mwindow->session->cwindow_w = new_w;
3378         mwindow->session->cwindow_h = new_h;
3379
3380         mwindow->theme->get_cwindow_sizes(gui,
3381                 mwindow->session->cwindow_controls);
3382
3383 // Estimate again from new borders
3384         new_w = canvas_w + (mwindow->session->cwindow_w - mwindow->theme->ccanvas_w);
3385         new_h = canvas_h + (mwindow->session->cwindow_h - mwindow->theme->ccanvas_h);
3386 //printf("CWindowCanvas::zoom_resize_window %d %d %d\n", __LINE__, new_w, new_h);
3387
3388         gui->resize_window(new_w, new_h);
3389         gui->resize_event(new_w, new_h);
3390 }
3391
3392 void CWindowCanvas::toggle_controls()
3393 {
3394         mwindow->session->cwindow_controls = !mwindow->session->cwindow_controls;
3395         gui->resize_event(gui->get_w(), gui->get_h());
3396 }
3397
3398 int CWindowCanvas::get_cwindow_controls()
3399 {
3400         return mwindow->session->cwindow_controls;
3401 }
3402
3403
3404