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 // this code is to idle rendering before drawing overlays on refresh frame
1132 // if this is not done, occationally opengl finishs late, and overwrites
1133 // the x11 refresh frame and the overlay is not visible.  Rarely happens.
1134                         get_canvas()->unlock_window();
1135                         mwindow->playback_3d->finish_output(this);
1136                         get_canvas()->lock_window("CWindowCanvas::draw_refresh");
1137                 }
1138                 if( refresh_frame && refresh_frame->get_w()>0 && refresh_frame->get_h()>0 ) {
1139                         float in_x1, in_y1, in_x2, in_y2;
1140                         float out_x1, out_y1, out_x2, out_y2;
1141                         get_transfers(mwindow->edl,
1142                                 in_x1, in_y1, in_x2, in_y2,
1143                                 out_x1, out_y1, out_x2, out_y2);
1144
1145
1146 //printf("CWindowCanvas::draw_refresh %.2f %.2f %.2f %.2f -> %.2f %.2f %.2f %.2f\n",
1147 //in_x1, in_y1, in_x2, in_y2, out_x1, out_y1, out_x2, out_y2);
1148
1149
1150                         if( out_x2 > out_x1 && out_y2 > out_y1 &&
1151                             in_x2 > in_x1 && in_y2 > in_y1 ) {
1152 // input scaled from session to refresh frame coordinates
1153                                 int ow = get_output_w(mwindow->edl);
1154                                 int oh = get_output_h(mwindow->edl);
1155                                 int rw = refresh_frame->get_w();
1156                                 int rh = refresh_frame->get_h();
1157                                 float xs = (float)rw / ow;
1158                                 float ys = (float)rh / oh;
1159                                 in_x1 *= xs;  in_x2 *= xs;
1160                                 in_y1 *= ys;  in_y2 *= ys;
1161 // Can't use OpenGL here because it is called asynchronously of the
1162 // playback operation.
1163                                 get_canvas()->draw_vframe(refresh_frame,
1164                                                 (int)out_x1, (int)out_y1,
1165                                                 (int)(out_x2 - out_x1),
1166                                                 (int)(out_y2 - out_y1),
1167                                                 (int)in_x1, (int)in_y1,
1168                                                 (int)(in_x2 - in_x1),
1169                                                 (int)(in_y2 - in_y1),
1170                                                 0);
1171                         }
1172                 }
1173 //usleep(10000);
1174                 draw_overlays();
1175                 get_canvas()->flash(flush);
1176         }
1177 //printf("CWindowCanvas::draw_refresh 10\n");
1178 }
1179
1180 #define CROPHANDLE_W 10
1181 #define CROPHANDLE_H 10
1182
1183 void CWindowCanvas::draw_crophandle(int x, int y)
1184 {
1185         get_canvas()->draw_box(x, y, CROPHANDLE_W, CROPHANDLE_H);
1186 }
1187
1188
1189
1190
1191
1192
1193 #define CONTROL_W 10
1194 #define CONTROL_H 10
1195 #define FIRST_CONTROL_W 20
1196 #define FIRST_CONTROL_H 20
1197 #undef BC_INFINITY
1198 #define BC_INFINITY 65536
1199
1200 #define RULERHANDLE_W 16
1201 #define RULERHANDLE_H 16
1202
1203
1204
1205 int CWindowCanvas::do_ruler(int draw,
1206         int motion,
1207         int button_press,
1208         int button_release)
1209 {
1210         int result = 0;
1211         float x1 = mwindow->edl->session->ruler_x1;
1212         float y1 = mwindow->edl->session->ruler_y1;
1213         float x2 = mwindow->edl->session->ruler_x2;
1214         float y2 = mwindow->edl->session->ruler_y2;
1215         float canvas_x1 = x1;
1216         float canvas_y1 = y1;
1217         float canvas_x2 = x2;
1218         float canvas_y2 = y2;
1219         float output_x = get_cursor_x();
1220         float output_y = get_cursor_y();
1221         float canvas_cursor_x = output_x;
1222         float canvas_cursor_y = output_y;
1223
1224         canvas_to_output(mwindow->edl, 0, output_x, output_y);
1225         output_to_canvas(mwindow->edl, 0, canvas_x1, canvas_y1);
1226         output_to_canvas(mwindow->edl, 0, canvas_x2, canvas_y2);
1227         mwindow->session->cwindow_output_x = roundf(output_x);
1228         mwindow->session->cwindow_output_y = roundf(output_y);
1229
1230         if(button_press && get_buttonpress() == 1)
1231         {
1232                 gui->ruler_handle = -1;
1233                 gui->ruler_translate = 0;
1234                 if(gui->alt_down())
1235                 {
1236                         gui->ruler_translate = 1;
1237                         gui->ruler_origin_x = x1;
1238                         gui->ruler_origin_y = y1;
1239                 }
1240                 else
1241                 if(canvas_cursor_x >= canvas_x1 - RULERHANDLE_W / 2 &&
1242                         canvas_cursor_x < canvas_x1 + RULERHANDLE_W / 2 &&
1243                         canvas_cursor_y >= canvas_y1 - RULERHANDLE_W &&
1244                         canvas_cursor_y < canvas_y1 + RULERHANDLE_H / 2)
1245                 {
1246                         gui->ruler_handle = 0;
1247                         gui->ruler_origin_x = x1;
1248                         gui->ruler_origin_y = y1;
1249                 }
1250                 else
1251                 if(canvas_cursor_x >= canvas_x2 - RULERHANDLE_W / 2 &&
1252                         canvas_cursor_x < canvas_x2 + RULERHANDLE_W / 2 &&
1253                         canvas_cursor_y >= canvas_y2 - RULERHANDLE_W &&
1254                         canvas_cursor_y < canvas_y2 + RULERHANDLE_H / 2)
1255                 {
1256                         gui->ruler_handle = 1;
1257                         gui->ruler_origin_x = x2;
1258                         gui->ruler_origin_y = y2;
1259                 }
1260
1261
1262 // Start new selection
1263                 if(!gui->ruler_translate &&
1264                         (gui->ruler_handle < 0 ||
1265                         (EQUIV(x2, x1) &&
1266                         EQUIV(y2, y1))))
1267                 {
1268 // Hide previous
1269                         do_ruler(1, 0, 0, 0);
1270                         get_canvas()->flash();
1271                         gui->ruler_handle = 1;
1272                         mwindow->edl->session->ruler_x1 = output_x;
1273                         mwindow->edl->session->ruler_y1 = output_y;
1274                         mwindow->edl->session->ruler_x2 = output_x;
1275                         mwindow->edl->session->ruler_y2 = output_y;
1276                         gui->ruler_origin_x = mwindow->edl->session->ruler_x2;
1277                         gui->ruler_origin_y = mwindow->edl->session->ruler_y2;
1278                 }
1279
1280                 gui->x_origin = output_x;
1281                 gui->y_origin = output_y;
1282                 gui->current_operation = CWINDOW_RULER;
1283                 gui->tool_panel->raise_window();
1284                 result = 1;
1285         }
1286
1287         if(motion)
1288         {
1289                 if(gui->current_operation == CWINDOW_RULER)
1290                 {
1291                         if(gui->ruler_translate)
1292                         {
1293 // Hide ruler
1294                                 do_ruler(1, 0, 0, 0);
1295                                 float x_difference = mwindow->edl->session->ruler_x1;
1296                                 float y_difference = mwindow->edl->session->ruler_y1;
1297                                 mwindow->edl->session->ruler_x1 = output_x - gui->x_origin + gui->ruler_origin_x;
1298                                 mwindow->edl->session->ruler_y1 = output_y - gui->y_origin + gui->ruler_origin_y;
1299                                 x_difference -= mwindow->edl->session->ruler_x1;
1300                                 y_difference -= mwindow->edl->session->ruler_y1;
1301                                 mwindow->edl->session->ruler_x2 -= x_difference;
1302                                 mwindow->edl->session->ruler_y2 -= y_difference;
1303 // Show ruler
1304                                 do_ruler(1, 0, 0, 0);
1305                                 get_canvas()->flash();
1306                                 gui->update_tool();
1307                         }
1308                         else
1309                         switch(gui->ruler_handle)
1310                         {
1311                                 case 0:
1312                                         do_ruler(1, 0, 0, 0);
1313                                         mwindow->edl->session->ruler_x1 = output_x - gui->x_origin + gui->ruler_origin_x;
1314                                         mwindow->edl->session->ruler_y1 = output_y - gui->y_origin + gui->ruler_origin_y;
1315                                         if(gui->alt_down() || gui->ctrl_down())
1316                                         {
1317                                                 double angle_value = fabs(atan((mwindow->edl->session->ruler_y2 - mwindow->edl->session->ruler_y1) /
1318                                                         (mwindow->edl->session->ruler_x2 - mwindow->edl->session->ruler_x1)) *
1319                                                         360 /
1320                                                         2 /
1321                                                         M_PI);
1322                                                 double distance_value =
1323                                                         sqrt(SQR(mwindow->edl->session->ruler_x2 - mwindow->edl->session->ruler_x1) +
1324                                                         SQR(mwindow->edl->session->ruler_y2 - mwindow->edl->session->ruler_y1));
1325                                                 if(angle_value < 22)
1326                                                         mwindow->edl->session->ruler_y1 = mwindow->edl->session->ruler_y2;
1327                                                 else
1328                                                 if(angle_value > 67)
1329                                                         mwindow->edl->session->ruler_x1 = mwindow->edl->session->ruler_x2;
1330                                                 else
1331                                                 if(mwindow->edl->session->ruler_x1 < mwindow->edl->session->ruler_x2 &&
1332                                                         mwindow->edl->session->ruler_y1 < mwindow->edl->session->ruler_y2)
1333                                                 {
1334                                                         mwindow->edl->session->ruler_x1 = mwindow->edl->session->ruler_x2 - distance_value / 1.414214;
1335                                                         mwindow->edl->session->ruler_y1 = mwindow->edl->session->ruler_y2 - distance_value / 1.414214;
1336                                                 }
1337                                                 else
1338                                                 if(mwindow->edl->session->ruler_x1 < mwindow->edl->session->ruler_x2 && mwindow->edl->session->ruler_y1 > mwindow->edl->session->ruler_y2)
1339                                                 {
1340                                                         mwindow->edl->session->ruler_x1 = mwindow->edl->session->ruler_x2 - distance_value / 1.414214;
1341                                                         mwindow->edl->session->ruler_y1 = mwindow->edl->session->ruler_y2 + distance_value / 1.414214;
1342                                                 }
1343                                                 else
1344                                                 if(mwindow->edl->session->ruler_x1 > mwindow->edl->session->ruler_x2 &&
1345                                                         mwindow->edl->session->ruler_y1 < mwindow->edl->session->ruler_y2)
1346                                                 {
1347                                                         mwindow->edl->session->ruler_x1 = mwindow->edl->session->ruler_x2 + distance_value / 1.414214;
1348                                                         mwindow->edl->session->ruler_y1 = mwindow->edl->session->ruler_y2 - distance_value / 1.414214;
1349                                                 }
1350                                                 else
1351                                                 {
1352                                                         mwindow->edl->session->ruler_x1 = mwindow->edl->session->ruler_x2 + distance_value / 1.414214;
1353                                                         mwindow->edl->session->ruler_y1 = mwindow->edl->session->ruler_y2 + distance_value / 1.414214;
1354                                                 }
1355                                         }
1356                                         do_ruler(1, 0, 0, 0);
1357                                         get_canvas()->flash();
1358                                         gui->update_tool();
1359                                         break;
1360
1361                                 case 1:
1362                                         do_ruler(1, 0, 0, 0);
1363                                         mwindow->edl->session->ruler_x2 = output_x - gui->x_origin + gui->ruler_origin_x;
1364                                         mwindow->edl->session->ruler_y2 = output_y - gui->y_origin + gui->ruler_origin_y;
1365                                         if(gui->alt_down() || gui->ctrl_down())
1366                                         {
1367                                                 double angle_value = fabs(atan((mwindow->edl->session->ruler_y2 - mwindow->edl->session->ruler_y1) /
1368                                                         (mwindow->edl->session->ruler_x2 - mwindow->edl->session->ruler_x1)) *
1369                                                         360 /
1370                                                         2 /
1371                                                         M_PI);
1372                                                 double distance_value =
1373                                                         sqrt(SQR(mwindow->edl->session->ruler_x2 - mwindow->edl->session->ruler_x1) +
1374                                                         SQR(mwindow->edl->session->ruler_y2 - mwindow->edl->session->ruler_y1));
1375                                                 if(angle_value < 22)
1376                                                         mwindow->edl->session->ruler_y2 = mwindow->edl->session->ruler_y1;
1377                                                 else
1378                                                 if(angle_value > 67)
1379                                                         mwindow->edl->session->ruler_x2 = mwindow->edl->session->ruler_x1;
1380                                                 else
1381                                                 if(mwindow->edl->session->ruler_x2 < mwindow->edl->session->ruler_x1 &&
1382                                                         mwindow->edl->session->ruler_y2 < mwindow->edl->session->ruler_y1)
1383                                                 {
1384                                                         mwindow->edl->session->ruler_x2 = mwindow->edl->session->ruler_x1 - distance_value / 1.414214;
1385                                                         mwindow->edl->session->ruler_y2 = mwindow->edl->session->ruler_y1 - distance_value / 1.414214;
1386                                                 }
1387                                                 else
1388                                                 if(mwindow->edl->session->ruler_x2 < mwindow->edl->session->ruler_x1 &&
1389                                                         mwindow->edl->session->ruler_y2 > mwindow->edl->session->ruler_y1)
1390                                                 {
1391                                                         mwindow->edl->session->ruler_x2 = mwindow->edl->session->ruler_x1 - distance_value / 1.414214;
1392                                                         mwindow->edl->session->ruler_y2 = mwindow->edl->session->ruler_y1 + distance_value / 1.414214;
1393                                                 }
1394                                                 else
1395                                                 if(mwindow->edl->session->ruler_x2 > mwindow->edl->session->ruler_x1 && mwindow->edl->session->ruler_y2 < mwindow->edl->session->ruler_y1)
1396                                                 {
1397                                                         mwindow->edl->session->ruler_x2 = mwindow->edl->session->ruler_x1 + distance_value / 1.414214;
1398                                                         mwindow->edl->session->ruler_y2 = mwindow->edl->session->ruler_y1 - distance_value / 1.414214;
1399                                                 }
1400                                                 else
1401                                                 {
1402                                                         mwindow->edl->session->ruler_x2 = mwindow->edl->session->ruler_x1 + distance_value / 1.414214;
1403                                                         mwindow->edl->session->ruler_y2 = mwindow->edl->session->ruler_y1 + distance_value / 1.414214;
1404                                                 }
1405                                         }
1406                                         do_ruler(1, 0, 0, 0);
1407                                         get_canvas()->flash();
1408                                         gui->update_tool();
1409                                         break;
1410                         }
1411 //printf("CWindowCanvas::do_ruler 2 %f %f %f %f\n", gui->ruler_x1, gui->ruler_y1, gui->ruler_x2, gui->ruler_y2);
1412                 }
1413                 else
1414                 {
1415 // printf("CWindowCanvas::do_ruler 2 %f %f %f %f\n",
1416 // canvas_cursor_x,
1417 // canvas_cursor_y,
1418 // canvas_x1,
1419 // canvas_y1);
1420                         if(canvas_cursor_x >= canvas_x1 - RULERHANDLE_W / 2 &&
1421                                 canvas_cursor_x < canvas_x1 + RULERHANDLE_W / 2 &&
1422                                 canvas_cursor_y >= canvas_y1 - RULERHANDLE_W &&
1423                                 canvas_cursor_y < canvas_y1 + RULERHANDLE_H / 2)
1424                         {
1425                                 set_cursor(UPRIGHT_ARROW_CURSOR);
1426                         }
1427                         else
1428                         if(canvas_cursor_x >= canvas_x2 - RULERHANDLE_W / 2 &&
1429                                 canvas_cursor_x < canvas_x2 + RULERHANDLE_W / 2 &&
1430                                 canvas_cursor_y >= canvas_y2 - RULERHANDLE_W &&
1431                                 canvas_cursor_y < canvas_y2 + RULERHANDLE_H / 2)
1432                         {
1433                                 set_cursor(UPRIGHT_ARROW_CURSOR);
1434                         }
1435                         else
1436                                 set_cursor(CROSS_CURSOR);
1437
1438 // Update current position
1439                         gui->update_tool();
1440                 }
1441         }
1442
1443 // Assume no ruler measurement if 0 length
1444         if(draw && (!EQUIV(x2, x1) || !EQUIV(y2, y1)))
1445         {
1446                 get_canvas()->set_inverse();
1447                 get_canvas()->set_color(WHITE);
1448                 get_canvas()->draw_line((int)canvas_x1,
1449                         (int)canvas_y1,
1450                         (int)canvas_x2,
1451                         (int)canvas_y2);
1452                 get_canvas()->draw_line(roundf(canvas_x1) - RULERHANDLE_W / 2,
1453                         roundf(canvas_y1),
1454                         roundf(canvas_x1) + RULERHANDLE_W / 2,
1455                         roundf(canvas_y1));
1456                 get_canvas()->draw_line(roundf(canvas_x1),
1457                         roundf(canvas_y1) - RULERHANDLE_H / 2,
1458                         roundf(canvas_x1),
1459                         roundf(canvas_y1) + RULERHANDLE_H / 2);
1460                 get_canvas()->draw_line(roundf(canvas_x2) - RULERHANDLE_W / 2,
1461                         roundf(canvas_y2),
1462                         roundf(canvas_x2) + RULERHANDLE_W / 2,
1463                         roundf(canvas_y2));
1464                 get_canvas()->draw_line(roundf(canvas_x2),
1465                         roundf(canvas_y2) - RULERHANDLE_H / 2,
1466                         roundf(canvas_x2),
1467                         roundf(canvas_y2) + RULERHANDLE_H / 2);
1468                 get_canvas()->set_opaque();
1469         }
1470
1471         return result;
1472 }
1473
1474
1475 static inline double line_dist(float cx,float cy, float tx,float ty)
1476 {
1477         double dx = tx-cx, dy = ty-cy;
1478         return sqrt(dx*dx + dy*dy);
1479 }
1480
1481 static inline bool test_bbox(int cx, int cy, int tx, int ty)
1482 {
1483 //      printf("test_bbox %d,%d - %d,%d = %f\n",cx,cy,tx,ty,line_dist(cx,cy,tx,ty));
1484         return (llabs(cx-tx) < CONTROL_W/2 && llabs(cy-ty) < CONTROL_H/2);
1485 }
1486
1487
1488 int CWindowCanvas::do_mask(int &redraw, int &rerender,
1489                 int button_press, int cursor_motion, int draw)
1490 {
1491 // Retrieve points from top recordable track
1492 //printf("CWindowCanvas::do_mask 1\n");
1493         Track *track = gui->cwindow->calculate_affected_track();
1494 //printf("CWindowCanvas::do_mask 2\n");
1495
1496         if(!track) return 0;
1497 //printf("CWindowCanvas::do_mask 3\n");
1498
1499         MaskAutos *mask_autos = (MaskAutos*)track->automation->autos[AUTOMATION_MASK];
1500         int64_t position = track->to_units(
1501                 mwindow->edl->local_session->get_selectionstart(1),
1502                 0);
1503         ArrayList<MaskPoint*> points;
1504
1505 // Determine the points based on whether
1506 // new keyframes will be generated or drawing is performed.
1507 // If keyframe generation occurs, use the interpolated mask.
1508 // If no keyframe generation occurs, use the previous mask.
1509         int use_interpolated = 0;
1510         if(button_press || cursor_motion) {
1511 #ifdef USE_KEYFRAME_SPANNING
1512                 double selection_start = mwindow->edl->local_session->get_selectionstart(0);
1513                 double selection_end = mwindow->edl->local_session->get_selectionend(0);
1514
1515                 Auto *first = 0;
1516                 mask_autos->get_prev_auto(track->to_units(selection_start, 0),
1517                         PLAY_FORWARD, first, 1);
1518                 Auto *last = 0;
1519                 mask_autos->get_prev_auto(track->to_units(selection_end, 0),
1520                         PLAY_FORWARD, last, 1);
1521
1522                 if(last == first && (!mwindow->edl->session->auto_keyframes))
1523                         use_interpolated = 0;
1524                 else
1525 // If keyframe spanning occurs, use the interpolated points.
1526 // If new keyframe is generated, use the interpolated points.
1527                         use_interpolated = 1;
1528
1529 #else
1530                 if(mwindow->edl->session->auto_keyframes)
1531                         use_interpolated = 1;
1532 #endif
1533         }
1534         else
1535                 use_interpolated = 1;
1536
1537         if(use_interpolated) {
1538 // Interpolate the points to get exactly what is being rendered at this position.
1539                 mask_autos->get_points(&points,
1540                         mwindow->edl->session->cwindow_mask,
1541                         position,
1542                         PLAY_FORWARD);
1543         }
1544         else {
1545 // Use the prev mask
1546                 Auto *prev = 0;
1547                 mask_autos->get_prev_auto(position,
1548                         PLAY_FORWARD,
1549                         prev,
1550                         1);
1551                 ((MaskAuto*)prev)->get_points(&points,
1552                         mwindow->edl->session->cwindow_mask);
1553         }
1554
1555 // Projector zooms relative to the center of the track output.
1556         float half_track_w = (float)track->track_w / 2;
1557         float half_track_h = (float)track->track_h / 2;
1558 // Translate mask to projection
1559         float projector_x, projector_y, projector_z;
1560         track->automation->get_projector(
1561                 &projector_x, &projector_y, &projector_z,
1562                 position, PLAY_FORWARD);
1563
1564
1565 // Get position of cursor relative to mask
1566         float cursor_x = get_cursor_x(), cursor_y = get_cursor_y();
1567         float mask_cursor_x = cursor_x, mask_cursor_y = cursor_y;
1568         canvas_to_output(mwindow->edl, 0, mask_cursor_x, mask_cursor_y);
1569
1570         projector_x += mwindow->edl->session->output_w / 2;
1571         projector_y += mwindow->edl->session->output_h / 2;
1572         mask_cursor_x = (mask_cursor_x - projector_x) / projector_z + half_track_w;
1573         mask_cursor_y = (mask_cursor_y - projector_y) / projector_z + half_track_h;
1574
1575 // Fix cursor origin
1576         if(button_press) {
1577                 gui->x_origin = mask_cursor_x;
1578                 gui->y_origin = mask_cursor_y;
1579         }
1580
1581         int result = 0;
1582 // Points of closest line
1583         int shortest_point1 = -1;
1584         int shortest_point2 = -1;
1585 // Closest point
1586         int shortest_point = -1;
1587 // Distance to closest line
1588         float shortest_line_distance = BC_INFINITY;
1589 // Distance to closest point
1590         float shortest_point_distance = BC_INFINITY;
1591         int selected_point = -1;
1592         int selected_control_point = -1;
1593         float selected_control_point_distance = BC_INFINITY;
1594         ArrayList<int> x_points;
1595         ArrayList<int> y_points;
1596
1597         if(!cursor_motion) {
1598                 if(draw) {
1599                         get_canvas()->set_color(WHITE);
1600                         get_canvas()->set_inverse();
1601                 }
1602 //printf("CWindowCanvas::do_mask 1 %d\n", points.size());
1603
1604 // Never draw closed polygon and a closed
1605 // polygon is harder to add points to.
1606                 for(int i = 0; i < points.size() && !result; i++) {
1607                         MaskPoint *point1 = points.get(i);
1608                         MaskPoint *point2 = (i >= points.size() - 1) ?
1609                                 points.get(0) : points.get(i + 1);
1610                         if(button_press) {
1611                                 float point_distance1 = line_dist(point1->x,point1->y, mask_cursor_x,mask_cursor_y);
1612                                 if(point_distance1 < shortest_point_distance || shortest_point < 0) {
1613                                         shortest_point_distance = point_distance1;
1614                                         shortest_point = i;
1615                                 }
1616
1617                                 float point_distance2 = line_dist(point2->x,point2->y, mask_cursor_x,mask_cursor_y);
1618                                 if(point_distance2 < shortest_point_distance || shortest_point < 0) {
1619                                         shortest_point_distance = point_distance2;
1620                                         shortest_point = (i >= points.size() - 1) ? 0 : (i + 1);
1621                                 }
1622                         }
1623
1624                         int segments = 1 + line_dist(point1->x,point1->y, point2->x,point2->y);
1625
1626 //printf("CWindowCanvas::do_mask 1 %f, %f -> %f, %f projectorz=%f\n",
1627 //point1->x, point1->y, point2->x, point2->y, projector_z);
1628                         for(int j = 0; j <= segments && !result; j++) {
1629 //printf("CWindowCanvas::do_mask 1 %f, %f -> %f, %f\n", x0, y0, x3, y3);
1630                                 float x0 = point1->x, y0 = point1->y;
1631                                 float x1 = point1->x + point1->control_x2;
1632                                 float y1 = point1->y + point1->control_y2;
1633                                 float x2 = point2->x + point2->control_x1;
1634                                 float y2 = point2->y + point2->control_y1;
1635                                 float x3 = point2->x, y3 = point2->y;
1636                                 float canvas_x0 = (x0 - half_track_w) * projector_z + projector_x;
1637                                 float canvas_y0 = (y0 - half_track_h) * projector_z + projector_y;
1638                                 float canvas_x1 = (x1 - half_track_w) * projector_z + projector_x;
1639                                 float canvas_y1 = (y1 - half_track_h) * projector_z + projector_y;
1640                                 float canvas_x2 = (x2 - half_track_w) * projector_z + projector_x;
1641                                 float canvas_y2 = (y2 - half_track_h) * projector_z + projector_y;
1642                                 float canvas_x3 = (x3 - half_track_w) * projector_z + projector_x;
1643                                 float canvas_y3 = (y3 - half_track_h) * projector_z + projector_y;
1644
1645                                 float t = (float)j / segments;
1646                                 float tpow2 = t * t;
1647                                 float tpow3 = t * t * t;
1648                                 float invt = 1 - t;
1649                                 float invtpow2 = invt * invt;
1650                                 float invtpow3 = invt * invt * invt;
1651
1652                                 float x = (           invtpow3 * x0
1653                                         + 3 * t     * invtpow2 * x1
1654                                         + 3 * tpow2 * invt     * x2
1655                                         +     tpow3            * x3);
1656                                 float y = (           invtpow3 * y0
1657                                         + 3 * t     * invtpow2 * y1
1658                                         + 3 * tpow2 * invt     * y2
1659                                         +     tpow3            * y3);
1660                                 float canvas_x = (x - half_track_w) * projector_z + projector_x;
1661                                 float canvas_y = (y - half_track_h) * projector_z + projector_y;
1662 // Test new point addition
1663                                 if(button_press) {
1664                                         float line_distance = line_dist(x,y, mask_cursor_x,mask_cursor_y);
1665
1666 //printf("CWindowCanvas::do_mask 1 x=%f cursor_x=%f y=%f cursor_y=%f %f %f %d, %d\n",
1667 //  x, cursor_x, y, cursor_y, line_distance, shortest_line_distance, shortest_point1, shortest_point2);
1668                                         if(line_distance < shortest_line_distance ||
1669                                                 shortest_point1 < 0) {
1670                                                 shortest_line_distance = line_distance;
1671                                                 shortest_point1 = i;
1672                                                 shortest_point2 = (i >= points.size() - 1) ? 0 : (i + 1);
1673 //printf("CWindowCanvas::do_mask 2 %f %f %d, %d\n",
1674 //  line_distance, shortest_line_distance, shortest_point1, shortest_point2);
1675                                         }
1676
1677 // Test existing point selection
1678 // Test first point
1679                                         if(gui->ctrl_down()) {
1680                                                 float distance = line_dist(x1,y1, mask_cursor_x,mask_cursor_y);
1681
1682                                                 if(distance < selected_control_point_distance) {
1683                                                         selected_point = i;
1684                                                         selected_control_point = 1;
1685                                                         selected_control_point_distance = distance;
1686                                                 }
1687                                         }
1688                                         else {
1689                                                 if(!gui->shift_down()) {
1690                                                         output_to_canvas(mwindow->edl, 0, canvas_x0, canvas_y0);
1691                                                         if(test_bbox(cursor_x, cursor_y, canvas_x0, canvas_y0)) {
1692                                                                 selected_point = i;
1693                                                         }
1694                                                 }
1695                                                 else {
1696                                                         selected_point = shortest_point;
1697                                                 }
1698                                         }
1699 // Test second point
1700                                         if(gui->ctrl_down()) {
1701                                                 float distance = line_dist(x2,y2, mask_cursor_x,mask_cursor_y);
1702
1703 //printf("CWindowCanvas::do_mask %d %f %f\n", i, distance, selected_control_point_distance);
1704                                                 if(distance < selected_control_point_distance) {
1705                                                         selected_point = (i < points.size() - 1 ? i + 1 : 0);
1706                                                         selected_control_point = 0;
1707                                                         selected_control_point_distance = distance;
1708                                                 }
1709                                         }
1710                                         else if(i < points.size() - 1) {
1711                                                 if(!gui->shift_down()) {
1712                                                         output_to_canvas(mwindow->edl, 0, canvas_x3, canvas_y3);
1713                                                         if(test_bbox(cursor_x, cursor_y, canvas_x3, canvas_y3)) {
1714                                                                 selected_point = (i < points.size() - 1 ? i + 1 : 0);
1715                                                         }
1716                                                 }
1717                                                 else {
1718                                                         selected_point = shortest_point;
1719                                                 }
1720                                         }
1721                                 }
1722
1723                                 output_to_canvas(mwindow->edl, 0, canvas_x, canvas_y);
1724
1725                                 if(j > 0) {
1726
1727                                         if(draw) { // Draw joining line
1728                                                 x_points.append((int)canvas_x);
1729                                                 y_points.append((int)canvas_y);
1730                                         }
1731
1732                                         if(j == segments) {
1733                                                 if(draw) { // Draw second anchor
1734                                                         if(i < points.size() - 1) {
1735                                                                 if(i == gui->affected_point - 1)
1736                                                                         get_canvas()->draw_disc(
1737                                                                                 (int)canvas_x - CONTROL_W / 2,
1738                                                                                 (int)canvas_y - CONTROL_W / 2,
1739                                                                                 CONTROL_W, CONTROL_H);
1740                                                                 else
1741                                                                         get_canvas()->draw_circle(
1742                                                                                 (int)canvas_x - CONTROL_W / 2,
1743                                                                                 (int)canvas_y - CONTROL_W / 2,
1744                                                                                 CONTROL_W, CONTROL_H);
1745 // char string[BCTEXTLEN];
1746 // sprintf(string, "%d", (i < points.size() - 1 ? i + 1 : 0));
1747 // canvas->draw_text((int)canvas_x + CONTROL_W, (int)canvas_y + CONTROL_W, string);
1748                                                         }
1749 // Draw second control point.
1750                                                         output_to_canvas(mwindow->edl, 0, canvas_x2, canvas_y2);
1751                                                         get_canvas()->draw_line(
1752                                                                 (int)canvas_x, (int)canvas_y,
1753                                                                 (int)canvas_x2, (int)canvas_y2);
1754                                                         get_canvas()->draw_rectangle(
1755                                                                 (int)canvas_x2 - CONTROL_W / 2,
1756                                                                 (int)canvas_y2 - CONTROL_H / 2,
1757                                                                 CONTROL_W, CONTROL_H);
1758                                                 }
1759                                         }
1760                                 }
1761                                 else {
1762 // Draw first anchor
1763                                         if(i == 0 && draw) {
1764                                                 char mask_label[BCSTRLEN];
1765                                                 sprintf(mask_label, "%d",
1766                                                         mwindow->edl->session->cwindow_mask);
1767                                                 get_canvas()->draw_text(
1768                                                         (int)canvas_x - FIRST_CONTROL_W,
1769                                                         (int)canvas_y - FIRST_CONTROL_H,
1770                                                         mask_label);
1771
1772                                                 get_canvas()->draw_disc(
1773                                                         (int)canvas_x - FIRST_CONTROL_W / 2,
1774                                                         (int)canvas_y - FIRST_CONTROL_H / 2,
1775                                                         FIRST_CONTROL_W, FIRST_CONTROL_H);
1776                                         }
1777
1778 // Draw first control point.
1779                                         if(draw) {
1780                                                 output_to_canvas(mwindow->edl, 0, canvas_x1, canvas_y1);
1781                                                 get_canvas()->draw_line(
1782                                                         (int)canvas_x, (int)canvas_y,
1783                                                         (int)canvas_x1, (int)canvas_y1);
1784                                                 get_canvas()->draw_rectangle(
1785                                                         (int)canvas_x1 - CONTROL_W / 2,
1786                                                         (int)canvas_y1 - CONTROL_H / 2,
1787                                                         CONTROL_W, CONTROL_H);
1788
1789                                                 x_points.append((int)canvas_x);
1790                                                 y_points.append((int)canvas_y);
1791                                         }
1792                                 }
1793 //printf("CWindowCanvas::do_mask 1\n");
1794
1795                         }
1796                 }
1797 //printf("CWindowCanvas::do_mask 1\n");
1798
1799                 if(draw) {
1800                         get_canvas()->draw_polygon(&x_points, &y_points);
1801                         get_canvas()->set_opaque();
1802                 }
1803 //printf("CWindowCanvas::do_mask 1\n");
1804         }
1805
1806         if(button_press && !result) {
1807                 gui->affected_track = gui->cwindow->calculate_affected_track();
1808
1809 // Get keyframe outside the EDL to edit.  This must be rendered
1810 // instead of the EDL keyframes when it exists.  Then it must be
1811 // applied to the EDL keyframes on buttonrelease.
1812                 if(gui->affected_track) {
1813 #ifdef USE_KEYFRAME_SPANNING
1814 // Make copy of current parameters in local keyframe
1815                         gui->mask_keyframe =
1816                                 (MaskAuto*)gui->cwindow->calculate_affected_auto(
1817                                         mask_autos,
1818                                         0);
1819                         gui->orig_mask_keyframe->copy_data(gui->mask_keyframe);
1820 #else
1821
1822                         gui->mask_keyframe =
1823                                 (MaskAuto*)gui->cwindow->calculate_affected_auto(
1824                                         mask_autos,
1825                                         1);
1826 #endif
1827                 }
1828                 SubMask *mask = gui->mask_keyframe->get_submask(mwindow->edl->session->cwindow_mask);
1829
1830
1831 // Translate entire keyframe
1832                 if(gui->alt_down() && mask->points.size()) {
1833                         mwindow->undo->update_undo_before(_("mask translate"), 0);
1834                         gui->current_operation = CWINDOW_MASK_TRANSLATE;
1835                         gui->affected_point = 0;
1836                 }
1837                 else
1838 // Existing point or control point was selected
1839                 if(selected_point >= 0) {
1840                         mwindow->undo->update_undo_before(_("mask adjust"), 0);
1841                         gui->affected_point = selected_point;
1842
1843                         if(selected_control_point == 0)
1844                                 gui->current_operation = CWINDOW_MASK_CONTROL_IN;
1845                         else
1846                         if(selected_control_point == 1)
1847                                 gui->current_operation = CWINDOW_MASK_CONTROL_OUT;
1848                         else
1849                                 gui->current_operation = mwindow->edl->session->cwindow_operation;
1850                 }
1851                 else // No existing point or control point was selected so create a new one
1852                 if(!gui->ctrl_down() && !gui->alt_down()) {
1853                         mwindow->undo->update_undo_before(_("mask point"), 0);
1854 // Create the template
1855                         MaskPoint *point = new MaskPoint;
1856                         point->x = mask_cursor_x;
1857                         point->y = mask_cursor_y;
1858                         point->control_x1 = 0;
1859                         point->control_y1 = 0;
1860                         point->control_x2 = 0;
1861                         point->control_y2 = 0;
1862
1863
1864                         if(shortest_point2 < shortest_point1) {
1865                                 shortest_point2 ^= shortest_point1;
1866                                 shortest_point1 ^= shortest_point2;
1867                                 shortest_point2 ^= shortest_point1;
1868                         }
1869
1870
1871
1872 // printf("CWindowGUI::do_mask 40\n");
1873 // mwindow->edl->dump();
1874 // printf("CWindowGUI::do_mask 50\n");
1875
1876
1877
1878 //printf("CWindowCanvas::do_mask 1 %f %f %d %d\n",
1879 //      shortest_line_distance, shortest_point_distance, shortest_point1, shortest_point2);
1880 //printf("CWindowCanvas::do_mask %d %d\n", shortest_point1, shortest_point2);
1881
1882 // Append to end of list
1883                         if( shortest_point1 == shortest_point2 ||
1884                             labs(shortest_point1 - shortest_point2) > 1) {
1885 #ifdef USE_KEYFRAME_SPANNING
1886
1887                                 MaskPoint *new_point = new MaskPoint;
1888                                 points.append(new_point);
1889                                 *new_point = *point;
1890                                 gui->affected_point = points.size() - 1;
1891
1892 #else
1893
1894 // Need to apply the new point to every keyframe
1895                                 for(MaskAuto *current = (MaskAuto*)mask_autos->default_auto; current; ) {
1896                                         SubMask *submask = current->get_submask(mwindow->edl->session->cwindow_mask);
1897                                         MaskPoint *new_point = new MaskPoint;
1898                                         submask->points.append(new_point);
1899                                         *new_point = *point;
1900                                         if(current == (MaskAuto*)mask_autos->default_auto)
1901                                                 current = (MaskAuto*)mask_autos->first;
1902                                         else
1903                                                 current = (MaskAuto*)NEXT;
1904                                 }
1905                                 gui->affected_point = mask->points.size() - 1;
1906 #endif
1907
1908                                 result = 1;
1909                         }
1910                         else
1911 // Insert between 2 points, shifting back point 2
1912                         if(shortest_point1 >= 0 && shortest_point2 >= 0) {
1913
1914 #ifdef USE_KEYFRAME_SPANNING
1915 // In case the keyframe point count isn't synchronized with the rest of the keyframes,
1916 // avoid a crash.
1917                                 if(points.size() >= shortest_point2) {
1918                                         MaskPoint *new_point = new MaskPoint;
1919                                         points.append(0);
1920                                         for(int i = points.size() - 1;
1921                                                 i > shortest_point2;
1922                                                 i--)
1923                                                 points.values[i] = points.values[i - 1];
1924                                         points.values[shortest_point2] = new_point;
1925
1926                                         *new_point = *point;
1927                                 }
1928
1929 #else
1930
1931                                 for(MaskAuto *current = (MaskAuto*)mask_autos->default_auto; current; ) {
1932                                         SubMask *submask = current->get_submask(mwindow->edl->session->cwindow_mask);
1933 // In case the keyframe point count isn't synchronized with the rest of the keyframes,
1934 // avoid a crash.
1935                                         if(submask->points.size() >= shortest_point2) {
1936                                                 MaskPoint *new_point = new MaskPoint;
1937                                                 submask->points.append(0);
1938                                                 for(int i = submask->points.size() - 1;
1939                                                         i > shortest_point2;
1940                                                         i--)
1941                                                         submask->points.values[i] = submask->points.values[i - 1];
1942                                                 submask->points.values[shortest_point2] = new_point;
1943
1944                                                 *new_point = *point;
1945                                         }
1946
1947                                         if(current == (MaskAuto*)mask_autos->default_auto)
1948                                                 current = (MaskAuto*)mask_autos->first;
1949                                         else
1950                                                 current = (MaskAuto*)NEXT;
1951                                 }
1952
1953 #endif
1954                                 gui->affected_point = shortest_point2;
1955                                 result = 1;
1956                         }
1957
1958
1959 // printf("CWindowGUI::do_mask 20\n");
1960 // mwindow->edl->dump();
1961 // printf("CWindowGUI::do_mask 30\n");
1962
1963                         if(!result) {
1964 //printf("CWindowCanvas::do_mask 1\n");
1965 // Create the first point.
1966 #ifdef USE_KEYFRAME_SPANNING
1967                                 MaskPoint *new_point = new MaskPoint;
1968                                 points.append(new_point);
1969                                 *new_point = *point;
1970                                 gui->affected_point = points.size() - 1;
1971 #else
1972                                 for(MaskAuto *current = (MaskAuto*)mask_autos->default_auto; current; ) {
1973                                         SubMask *submask = current->get_submask(mwindow->edl->session->cwindow_mask);
1974                                         MaskPoint *new_point = new MaskPoint;
1975                                         submask->points.append(new_point);
1976                                         *new_point = *point;
1977                                         if(current == (MaskAuto*)mask_autos->default_auto)
1978                                                 current = (MaskAuto*)mask_autos->first;
1979                                         else
1980                                                 current = (MaskAuto*)NEXT;
1981                                 }
1982                                 gui->affected_point = points.size() - 1;
1983 #endif
1984
1985 //printf("CWindowCanvas::do_mask 3 %d\n", mask->points.size());
1986                         }
1987
1988                         gui->current_operation = mwindow->edl->session->cwindow_operation;
1989 // Delete the template
1990                         delete point;
1991                 }
1992
1993                 result = 1;
1994                 rerender = 1;
1995                 redraw = 1;
1996         }
1997
1998         if(button_press && result) {
1999 #ifdef USE_KEYFRAME_SPANNING
2000                 MaskPoint *point = points.values[gui->affected_point];
2001                 gui->center_x = point->x;
2002                 gui->center_y = point->y;
2003                 gui->control_in_x = point->control_x1;
2004                 gui->control_in_y = point->control_y1;
2005                 gui->control_out_x = point->control_x2;
2006                 gui->control_out_y = point->control_y2;
2007                 gui->tool_panel->raise_window();
2008 #else
2009                 SubMask *mask = gui->mask_keyframe->get_submask(mwindow->edl->session->cwindow_mask);
2010                 MaskPoint *point = mask->points.values[gui->affected_point];
2011                 gui->center_x = point->x;
2012                 gui->center_y = point->y;
2013                 gui->control_in_x = point->control_x1;
2014                 gui->control_in_y = point->control_y1;
2015                 gui->control_out_x = point->control_x2;
2016                 gui->control_out_y = point->control_y2;
2017                 gui->tool_panel->raise_window();
2018 #endif
2019         }
2020
2021 //printf("CWindowCanvas::do_mask 8\n");
2022         if(cursor_motion) {
2023
2024 #ifdef USE_KEYFRAME_SPANNING
2025 // Must update the reference keyframes for every cursor motion
2026                 gui->mask_keyframe =
2027                         (MaskAuto*)gui->cwindow->calculate_affected_auto(
2028                                 mask_autos,
2029                                 0);
2030                 gui->orig_mask_keyframe->copy_data(gui->mask_keyframe);
2031 #endif
2032
2033 //printf("CWindowCanvas::do_mask %d %d\n", __LINE__, gui->affected_point);
2034
2035                 SubMask *mask = gui->mask_keyframe->get_submask(mwindow->edl->session->cwindow_mask);
2036                 if( gui->affected_point >= 0 && gui->affected_point < mask->points.size() &&
2037                         gui->current_operation != CWINDOW_NONE) {
2038 //                      mwindow->undo->update_undo_before(_("mask point"), this);
2039 #ifdef USE_KEYFRAME_SPANNING
2040                         MaskPoint *point = points.get(gui->affected_point);
2041 #else
2042                         MaskPoint *point = mask->points.get(gui->affected_point);
2043 #endif
2044 //                      canvas_to_output(mwindow->edl, 0, cursor_x, cursor_y);
2045 //printf("CWindowCanvas::do_mask 9 %d %d\n", mask->points.size(), gui->affected_point);
2046
2047                         float last_x = point->x;
2048                         float last_y = point->y;
2049                         float last_control_x1 = point->control_x1;
2050                         float last_control_y1 = point->control_y1;
2051                         float last_control_x2 = point->control_x2;
2052                         float last_control_y2 = point->control_y2;
2053
2054                         switch(gui->current_operation) {
2055                                 case CWINDOW_MASK:
2056 //printf("CWindowCanvas::do_mask %d %d\n", __LINE__, gui->affected_point);
2057                                         point->x = mask_cursor_x - gui->x_origin + gui->center_x;
2058                                         point->y = mask_cursor_y - gui->y_origin + gui->center_y;
2059                                         break;
2060
2061                                 case CWINDOW_MASK_CONTROL_IN:
2062                                         point->control_x1 = mask_cursor_x - gui->x_origin + gui->control_in_x;
2063                                         point->control_y1 = mask_cursor_y - gui->y_origin + gui->control_in_y;
2064                                         break;
2065
2066                                 case CWINDOW_MASK_CONTROL_OUT:
2067                                         point->control_x2 = mask_cursor_x - gui->x_origin + gui->control_out_x;
2068                                         point->control_y2 = mask_cursor_y - gui->y_origin + gui->control_out_y;
2069                                         break;
2070
2071                                 case CWINDOW_MASK_TRANSLATE:
2072 #ifdef USE_KEYFRAME_SPANNING
2073                                         for(int i = 0; i < points.size(); i++) {
2074                                                 points.values[i]->x += mask_cursor_x - gui->x_origin;
2075                                                 points.values[i]->y += mask_cursor_y - gui->y_origin;
2076                                         }
2077 #else
2078                                         for(int i = 0; i < mask->points.size(); i++) {
2079                                                 mask->points.values[i]->x += mask_cursor_x - gui->x_origin;
2080                                                 mask->points.values[i]->y += mask_cursor_y - gui->y_origin;
2081                                         }
2082 #endif
2083                                         gui->x_origin = mask_cursor_x;
2084                                         gui->y_origin = mask_cursor_y;
2085                                         break;
2086                         }
2087
2088                         if( !EQUIV(last_x, point->x) ||
2089                                 !EQUIV(last_y, point->y) ||
2090                                 !EQUIV(last_control_x1, point->control_x1) ||
2091                                 !EQUIV(last_control_y1, point->control_y1) ||
2092                                 !EQUIV(last_control_x2, point->control_x2) ||
2093                                 !EQUIV(last_control_y2, point->control_y2)) {
2094                                 rerender = 1;
2095                                 redraw = 1;
2096                         }
2097                 }
2098                 else
2099                 if(gui->current_operation == CWINDOW_NONE) {
2100 //                      printf("CWindowCanvas::do_mask %d\n", __LINE__);
2101                         int over_point = 0;
2102                         for(int i = 0; i < points.size() && !over_point; i++) {
2103                                 MaskPoint *point = points.get(i);
2104                                 float x0 = point->x;
2105                                 float y0 = point->y;
2106                                 float x1 = point->x + point->control_x1;
2107                                 float y1 = point->y + point->control_y1;
2108                                 float x2 = point->x + point->control_x2;
2109                                 float y2 = point->y + point->control_y2;
2110                                 float canvas_x0 = (x0 - half_track_w) * projector_z + projector_x;
2111                                 float canvas_y0 = (y0 - half_track_h) * projector_z + projector_y;
2112
2113                                 output_to_canvas(mwindow->edl, 0, canvas_x0, canvas_y0);
2114                                 if(test_bbox(cursor_x, cursor_y, canvas_x0, canvas_y0)) {
2115                                         over_point = 1;
2116                                 }
2117
2118                                 if(!over_point && gui->ctrl_down()) {
2119                                         float canvas_x1 = (x1 - half_track_w) * projector_z + projector_x;
2120                                         float canvas_y1 = (y1 - half_track_h) * projector_z + projector_y;
2121                                         output_to_canvas(mwindow->edl, 0, canvas_x1, canvas_y1);
2122                                         if(test_bbox(cursor_x, cursor_y, canvas_x1, canvas_y1)) {
2123                                                 over_point = 1;
2124                                         }
2125                                         else {
2126                                                 float canvas_x2 = (x2 - half_track_w) * projector_z + projector_x;
2127                                                 float canvas_y2 = (y2 - half_track_h) * projector_z + projector_y;
2128                                                 output_to_canvas(mwindow->edl, 0, canvas_x2, canvas_y2);
2129                                                 if(test_bbox(cursor_x, cursor_y, canvas_x2, canvas_y2)) {
2130                                                         over_point = 1;
2131                                                 }
2132                                         }
2133                                 }
2134                         }
2135
2136                         set_cursor( over_point ? ARROW_CURSOR : CROSS_CURSOR );
2137                 }
2138
2139                 result = 1;
2140         }
2141 //printf("CWindowCanvas::do_mask 2 %d %d %d\n", result, rerender, redraw);
2142
2143
2144 #ifdef USE_KEYFRAME_SPANNING
2145 // Must commit change after operation.
2146         if(rerender && track) {
2147 // Swap EDL keyframe with original.
2148 // Apply new values to keyframe span
2149                 MaskAuto temp_keyframe(mwindow->edl, mask_autos);
2150                 temp_keyframe.copy_data(gui->mask_keyframe);
2151 // Apply interpolated points back to keyframe
2152                 temp_keyframe.set_points(&points, mwindow->edl->session->cwindow_mask);
2153                 gui->mask_keyframe->copy_data(gui->orig_mask_keyframe);
2154                 mask_autos->update_parameter(&temp_keyframe);
2155         }
2156 #endif
2157
2158         points.remove_all_objects();
2159 //printf("CWindowCanvas::do_mask 20\n");
2160         return result;
2161 }
2162
2163 int CWindowCanvas::do_eyedrop(int &rerender, int button_press, int draw)
2164 {
2165         int result = 0;
2166         int radius = mwindow->edl->session->eyedrop_radius;
2167         int row1 = 0;
2168         int row2 = 0;
2169         int column1 = 0;
2170         int column2 = 0;
2171
2172
2173
2174         if(refresh_frame && refresh_frame->get_w()>0 && refresh_frame->get_h()>0)
2175         {
2176
2177                 if(draw)
2178                 {
2179                         row1 = gui->eyedrop_y - radius;
2180                         row2 = gui->eyedrop_y + radius;
2181                         column1 = gui->eyedrop_x - radius;
2182                         column2 = gui->eyedrop_x + radius;
2183
2184                         CLAMP(row1, 0, refresh_frame->get_h() - 1);
2185                         CLAMP(row2, 0, refresh_frame->get_h() - 1);
2186                         CLAMP(column1, 0, refresh_frame->get_w() - 1);
2187                         CLAMP(column2, 0, refresh_frame->get_w() - 1);
2188
2189                         if(row2 <= row1) row2 = row1 + 1;
2190                         if(column2 <= column1) column2 = column1 + 1;
2191
2192                         float x1 = column1;
2193                         float y1 = row1;
2194                         float x2 = column2;
2195                         float y2 = row2;
2196
2197                         output_to_canvas(mwindow->edl, 0, x1, y1);
2198                         output_to_canvas(mwindow->edl, 0, x2, y2);
2199 //printf("CWindowCanvas::do_eyedrop %d %f %f %f %f\n", __LINE__, x1, x2, y1, y2);
2200
2201                         if(x2 - x1 >= 1 && y2 - y1 >= 1)
2202                         {
2203                                 get_canvas()->set_inverse();
2204                                 get_canvas()->set_color(WHITE);
2205
2206                                 get_canvas()->draw_rectangle((int)x1,
2207                                         (int)y1,
2208                                         (int)(x2 - x1),
2209                                         (int)(y2 - y1));
2210
2211                                 get_canvas()->set_opaque();
2212                                 get_canvas()->flash();
2213                         }
2214                         return 0;
2215                 }
2216         }
2217
2218         if(button_press)
2219         {
2220                 gui->current_operation = CWINDOW_EYEDROP;
2221                 gui->tool_panel->raise_window();
2222         }
2223
2224         if(gui->current_operation == CWINDOW_EYEDROP)
2225         {
2226                 mwindow->undo->update_undo_before(_("Eyedrop"), this);
2227
2228 // Get color out of frame.
2229 // Doesn't work during playback because that bypasses the refresh frame.
2230                 if(refresh_frame && refresh_frame->get_w()>0 && refresh_frame->get_h()>0)
2231                 {
2232                         float cursor_x = get_cursor_x();
2233                         float cursor_y = get_cursor_y();
2234                         canvas_to_output(mwindow->edl, 0, cursor_x, cursor_y);
2235                         CLAMP(cursor_x, 0, refresh_frame->get_w() - 1);
2236                         CLAMP(cursor_y, 0, refresh_frame->get_h() - 1);
2237
2238                         row1 = cursor_y - radius;
2239                         row2 = cursor_y + radius;
2240                         column1 = cursor_x - radius;
2241                         column2 = cursor_x + radius;
2242                         CLAMP(row1, 0, refresh_frame->get_h() - 1);
2243                         CLAMP(row2, 0, refresh_frame->get_h() - 1);
2244                         CLAMP(column1, 0, refresh_frame->get_w() - 1);
2245                         CLAMP(column2, 0, refresh_frame->get_w() - 1);
2246                         if(row2 <= row1) row2 = row1 + 1;
2247                         if(column2 <= column1) column2 = column1 + 1;
2248
2249
2250 // hide it
2251                         if(gui->eyedrop_visible)
2252                         {
2253                                 int temp;
2254                                 do_eyedrop(temp, 0, 1);
2255                                 gui->eyedrop_visible = 0;
2256                         }
2257
2258                         gui->eyedrop_x = cursor_x;
2259                         gui->eyedrop_y = cursor_y;
2260
2261 // show it
2262                         {
2263                                 int temp;
2264                                 do_eyedrop(temp, 0, 1);
2265                                 gui->eyedrop_visible = 1;
2266                         }
2267
2268 // Decompression coefficients straight out of jpeglib
2269 #define V_TO_R    1.40200
2270 #define V_TO_G    -0.71414
2271
2272 #define U_TO_G    -0.34414
2273 #define U_TO_B    1.77200
2274
2275 #define GET_COLOR(type, components, max, do_yuv) \
2276 { \
2277         type *row = (type*)(refresh_frame->get_rows()[i]) + \
2278                 j * components; \
2279         float red = (float)*row++ / max; \
2280         float green = (float)*row++ / max; \
2281         float blue = (float)*row++ / max; \
2282         if(do_yuv) \
2283         { \
2284                 float r = red + V_TO_R * (blue - 0.5); \
2285                 float g = red + U_TO_G * (green - 0.5) + V_TO_G * (blue - 0.5); \
2286                 float b = red + U_TO_B * (green - 0.5); \
2287                 mwindow->edl->local_session->red += r; \
2288                 mwindow->edl->local_session->green += g; \
2289                 mwindow->edl->local_session->blue += b; \
2290                 if(r > mwindow->edl->local_session->red_max) mwindow->edl->local_session->red_max = r; \
2291                 if(g > mwindow->edl->local_session->green_max) mwindow->edl->local_session->green_max = g; \
2292                 if(b > mwindow->edl->local_session->blue_max) mwindow->edl->local_session->blue_max = b; \
2293         } \
2294         else \
2295         { \
2296                 mwindow->edl->local_session->red += red; \
2297                 mwindow->edl->local_session->green += green; \
2298                 mwindow->edl->local_session->blue += blue; \
2299                 if(red > mwindow->edl->local_session->red_max) mwindow->edl->local_session->red_max = red; \
2300                 if(green > mwindow->edl->local_session->green_max) mwindow->edl->local_session->green_max = green; \
2301                 if(blue > mwindow->edl->local_session->blue_max) mwindow->edl->local_session->blue_max = blue; \
2302         } \
2303 }
2304
2305
2306
2307                         mwindow->edl->local_session->red = 0;
2308                         mwindow->edl->local_session->green = 0;
2309                         mwindow->edl->local_session->blue = 0;
2310                         mwindow->edl->local_session->red_max = 0;
2311                         mwindow->edl->local_session->green_max = 0;
2312                         mwindow->edl->local_session->blue_max = 0;
2313                         for(int i = row1; i < row2; i++)
2314                         {
2315                                 for(int j = column1; j < column2; j++)
2316                                 {
2317                                         switch(refresh_frame->get_color_model())
2318                                         {
2319                                                 case BC_YUV888:
2320                                                         GET_COLOR(unsigned char, 3, 0xff, 1);
2321                                                         break;
2322                                                 case BC_YUVA8888:
2323                                                         GET_COLOR(unsigned char, 4, 0xff, 1);
2324                                                         break;
2325                                                 case BC_YUV161616:
2326                                                         GET_COLOR(uint16_t, 3, 0xffff, 1);
2327                                                         break;
2328                                                 case BC_YUVA16161616:
2329                                                         GET_COLOR(uint16_t, 4, 0xffff, 1);
2330                                                         break;
2331                                                 case BC_RGB888:
2332                                                         GET_COLOR(unsigned char, 3, 0xff, 0);
2333                                                         break;
2334                                                 case BC_RGBA8888:
2335                                                         GET_COLOR(unsigned char, 4, 0xff, 0);
2336                                                         break;
2337                                                 case BC_RGB_FLOAT:
2338                                                         GET_COLOR(float, 3, 1.0, 0);
2339                                                         break;
2340                                                 case BC_RGBA_FLOAT:
2341                                                         GET_COLOR(float, 4, 1.0, 0);
2342                                                         break;
2343                                         }
2344                                 }
2345                         }
2346
2347                         mwindow->edl->local_session->red /= (row2 - row1) * (column2 - column1);
2348                         mwindow->edl->local_session->green /= (row2 - row1) * (column2 - column1);
2349                         mwindow->edl->local_session->blue /= (row2 - row1) * (column2 - column1);
2350
2351                 }
2352                 else
2353                 {
2354                         mwindow->edl->local_session->red = 0;
2355                         mwindow->edl->local_session->green = 0;
2356                         mwindow->edl->local_session->blue = 0;
2357                         gui->eyedrop_visible = 0;
2358                 }
2359
2360
2361                 gui->update_tool();
2362
2363
2364
2365                 result = 1;
2366 // Can't rerender since the color value is from the output of any effect it
2367 // goes into.
2368 //              rerender = 1;
2369                 mwindow->undo->update_undo_after(_("Eyedrop"), LOAD_SESSION);
2370         }
2371
2372         return result;
2373 }
2374
2375 int CWindowCanvas::need_overlays()
2376 {
2377         if( mwindow->edl->session->safe_regions ) return 1;
2378         if( mwindow->edl->session->cwindow_scrollbars ) return 1;
2379         if( gui->highlighted ) return 1;
2380         switch( mwindow->edl->session->cwindow_operation ) {
2381                 case CWINDOW_EYEDROP:
2382                         if( ! gui->eyedrop_visible ) break;
2383                 case CWINDOW_CAMERA:
2384                 case CWINDOW_PROJECTOR:
2385                 case CWINDOW_CROP:
2386                 case CWINDOW_MASK:
2387                 case CWINDOW_RULER:
2388                         return 1;
2389         }
2390         return 0;
2391 }
2392
2393 void CWindowCanvas::draw_overlays()
2394 {
2395         if(mwindow->edl->session->safe_regions)
2396         {
2397                 draw_safe_regions();
2398         }
2399
2400         if(mwindow->edl->session->cwindow_scrollbars)
2401         {
2402 // Always draw output rectangle
2403                 float x1, y1, x2, y2;
2404                 x1 = 0;
2405                 x2 = mwindow->edl->session->output_w;
2406                 y1 = 0;
2407                 y2 = mwindow->edl->session->output_h;
2408                 output_to_canvas(mwindow->edl, 0, x1, y1);
2409                 output_to_canvas(mwindow->edl, 0, x2, y2);
2410
2411                 get_canvas()->set_inverse();
2412                 get_canvas()->set_color(WHITE);
2413
2414                 get_canvas()->draw_rectangle((int)x1,
2415                                 (int)y1,
2416                                 (int)(x2 - x1),
2417                                 (int)(y2 - y1));
2418
2419                 get_canvas()->set_opaque();
2420         }
2421
2422         if(gui->highlighted)
2423         {
2424                 get_canvas()->set_color(WHITE);
2425                 get_canvas()->set_inverse();
2426                 get_canvas()->draw_rectangle(0, 0, get_canvas()->get_w(), get_canvas()->get_h());
2427                 get_canvas()->draw_rectangle(1, 1, get_canvas()->get_w() - 2, get_canvas()->get_h() - 2);
2428                 get_canvas()->set_opaque();
2429         }
2430
2431         int temp1 = 0, temp2 = 0;
2432 //printf("CWindowCanvas::draw_overlays 1 %d\n", mwindow->edl->session->cwindow_operation);
2433         switch(mwindow->edl->session->cwindow_operation)
2434         {
2435                 case CWINDOW_CAMERA:
2436                         draw_outlines(1);
2437                         break;
2438
2439                 case CWINDOW_PROJECTOR:
2440                         draw_outlines(0);
2441                         break;
2442
2443                 case CWINDOW_CROP:
2444                         draw_crop();
2445                         break;
2446
2447                 case CWINDOW_MASK:
2448                         do_mask(temp1, temp2, 0, 0, 1);
2449                         break;
2450
2451                 case CWINDOW_RULER:
2452                         do_ruler(1, 0, 0, 0);
2453                         break;
2454
2455                 case CWINDOW_EYEDROP:
2456                 if(gui->eyedrop_visible)
2457                 {
2458                         int rerender;
2459                         do_eyedrop(rerender, 0, 1);
2460                         gui->eyedrop_visible = 1;
2461                         break;
2462                 }
2463         }
2464 }
2465
2466 void CWindowCanvas::draw_safe_regions()
2467 {
2468         float action_x1, action_x2, action_y1, action_y2;
2469         float title_x1, title_x2, title_y1, title_y2;
2470
2471         action_x1 = mwindow->edl->session->output_w / 2 - mwindow->edl->session->output_w / 2 * 0.9;
2472         action_x2 = mwindow->edl->session->output_w / 2 + mwindow->edl->session->output_w / 2 * 0.9;
2473         action_y1 = mwindow->edl->session->output_h / 2 - mwindow->edl->session->output_h / 2 * 0.9;
2474         action_y2 = mwindow->edl->session->output_h / 2 + mwindow->edl->session->output_h / 2 * 0.9;
2475         title_x1 = mwindow->edl->session->output_w / 2 - mwindow->edl->session->output_w / 2 * 0.8;
2476         title_x2 = mwindow->edl->session->output_w / 2 + mwindow->edl->session->output_w / 2 * 0.8;
2477         title_y1 = mwindow->edl->session->output_h / 2 - mwindow->edl->session->output_h / 2 * 0.8;
2478         title_y2 = mwindow->edl->session->output_h / 2 + mwindow->edl->session->output_h / 2 * 0.8;
2479
2480         output_to_canvas(mwindow->edl, 0, action_x1, action_y1);
2481         output_to_canvas(mwindow->edl, 0, action_x2, action_y2);
2482         output_to_canvas(mwindow->edl, 0, title_x1, title_y1);
2483         output_to_canvas(mwindow->edl, 0, title_x2, title_y2);
2484
2485         get_canvas()->set_inverse();
2486         get_canvas()->set_color(WHITE);
2487
2488         get_canvas()->draw_rectangle((int)action_x1,
2489                         (int)action_y1,
2490                         (int)(action_x2 - action_x1),
2491                         (int)(action_y2 - action_y1));
2492         get_canvas()->draw_rectangle((int)title_x1,
2493                         (int)title_y1,
2494                         (int)(title_x2 - title_x1),
2495                         (int)(title_y2 - title_y1));
2496
2497         get_canvas()->set_opaque();
2498 }
2499
2500
2501 void CWindowCanvas::create_keyframe(int do_camera)
2502 {
2503         Track *affected_track = gui->cwindow->calculate_affected_track();
2504         if( affected_track ) {
2505                 double pos = mwindow->edl->local_session->get_selectionstart(1);
2506                 int64_t position = affected_track->to_units(pos, 0);
2507                 int ix = do_camera ? AUTOMATION_CAMERA_X : AUTOMATION_PROJECTOR_X;
2508                 int iy = do_camera ? AUTOMATION_CAMERA_Y : AUTOMATION_PROJECTOR_Y;
2509                 int iz = do_camera ? AUTOMATION_CAMERA_Z : AUTOMATION_PROJECTOR_Z;
2510                 FloatAuto *prev, *next;
2511                 FloatAutos **autos = (FloatAutos**)affected_track->automation->autos;
2512                 FloatAutos *x_autos = autos[ix];  prev = 0;  next = 0;
2513                 float x_value = x_autos->get_value(position, PLAY_FORWARD, prev, next);
2514                 FloatAutos *y_autos = autos[iy];  prev = 0;  next = 0;
2515                 float y_value = y_autos->get_value(position, PLAY_FORWARD, prev, next);
2516                 FloatAutos *z_autos = autos[iz];  prev = 0;  next = 0;
2517                 float z_value = z_autos->get_value(position, PLAY_FORWARD, prev, next);
2518                 FloatAuto *x_keyframe = 0, *y_keyframe = 0, *z_keyframe = 0;
2519
2520                 gui->cwindow->calculate_affected_autos(affected_track,
2521                         &x_keyframe, &y_keyframe, &z_keyframe,
2522                         do_camera, -1, -1, -1, 0);
2523                 x_keyframe->set_value(x_value);
2524                 y_keyframe->set_value(y_value);
2525                 z_keyframe->set_value(z_value);
2526
2527                 gui->sync_parameters(CHANGE_PARAMS, 1, 1);
2528         }
2529 }
2530
2531 void CWindowCanvas::camera_keyframe() { create_keyframe(1); }
2532 void CWindowCanvas::projector_keyframe() { create_keyframe(0); }
2533
2534 void CWindowCanvas::reset_keyframe(int do_camera)
2535 {
2536         Track *affected_track = gui->cwindow->calculate_affected_track();
2537         if( affected_track ) {
2538                 FloatAuto *x_keyframe = 0, *y_keyframe = 0, *z_keyframe = 0;
2539                 gui->cwindow->calculate_affected_autos(affected_track,
2540                         &x_keyframe, &y_keyframe, &z_keyframe,
2541                         do_camera, 1, 1, 1);
2542
2543                 x_keyframe->set_value(0);
2544                 y_keyframe->set_value(0);
2545                 z_keyframe->set_value(1);
2546
2547                 gui->sync_parameters(CHANGE_PARAMS, 1, 1);
2548         }
2549 }
2550
2551 void CWindowCanvas::reset_camera() { reset_keyframe(1); }
2552 void CWindowCanvas::reset_projector() { reset_keyframe(0); }
2553
2554
2555 int CWindowCanvas::test_crop(int button_press, int &redraw)
2556 {
2557         int result = 0;
2558         int handle_selected = -1;
2559         float x1 = mwindow->edl->session->crop_x1;
2560         float y1 = mwindow->edl->session->crop_y1;
2561         float x2 = mwindow->edl->session->crop_x2;
2562         float y2 = mwindow->edl->session->crop_y2;
2563         float cursor_x = get_cursor_x();
2564         float cursor_y = get_cursor_y();
2565         float canvas_x1 = x1;
2566         float canvas_y1 = y1;
2567         float canvas_x2 = x2;
2568         float canvas_y2 = y2;
2569         float canvas_cursor_x = cursor_x;
2570         float canvas_cursor_y = cursor_y;
2571
2572         canvas_to_output(mwindow->edl, 0, cursor_x, cursor_y);
2573 // Use screen normalized coordinates for hot spot tests.
2574         output_to_canvas(mwindow->edl, 0, canvas_x1, canvas_y1);
2575         output_to_canvas(mwindow->edl, 0, canvas_x2, canvas_y2);
2576
2577
2578         if(gui->current_operation == CWINDOW_CROP)
2579         {
2580                 handle_selected = gui->crop_handle;
2581         }
2582         else
2583         if(canvas_cursor_x >= canvas_x1 && canvas_cursor_x < canvas_x1 + CROPHANDLE_W &&
2584                 canvas_cursor_y >= canvas_y1 && canvas_cursor_y < canvas_y1 + CROPHANDLE_H)
2585         {
2586                 handle_selected = 0;
2587                 gui->crop_origin_x = x1;
2588                 gui->crop_origin_y = y1;
2589         }
2590         else
2591         if(canvas_cursor_x >= canvas_x2 - CROPHANDLE_W && canvas_cursor_x < canvas_x2 &&
2592                 canvas_cursor_y >= canvas_y1 && canvas_cursor_y < canvas_y1 + CROPHANDLE_H)
2593         {
2594                 handle_selected = 1;
2595                 gui->crop_origin_x = x2;
2596                 gui->crop_origin_y = y1;
2597         }
2598         else
2599         if(canvas_cursor_x >= canvas_x1 && canvas_cursor_x < canvas_x1 + CROPHANDLE_W &&
2600                 canvas_cursor_y >= canvas_y2 - CROPHANDLE_H && canvas_cursor_y < canvas_y2)
2601         {
2602                 handle_selected = 2;
2603                 gui->crop_origin_x = x1;
2604                 gui->crop_origin_y = y2;
2605         }
2606         else
2607         if(canvas_cursor_x >= canvas_x2 - CROPHANDLE_W && canvas_cursor_x < canvas_x2 &&
2608                 canvas_cursor_y >= canvas_y2 - CROPHANDLE_H && canvas_cursor_y < canvas_y2)
2609         {
2610                 handle_selected = 3;
2611                 gui->crop_origin_x = x2;
2612                 gui->crop_origin_y = y2;
2613         }
2614         else
2615 // Start new box
2616         {
2617                 gui->crop_origin_x = cursor_x;
2618                 gui->crop_origin_y = cursor_y;
2619         }
2620
2621 // printf("test crop %d %d\n",
2622 //      gui->current_operation,
2623 //      handle_selected);
2624
2625 // Start dragging.
2626         if(button_press)
2627         {
2628                 if(gui->alt_down())
2629                 {
2630                         gui->crop_translate = 1;
2631                         gui->crop_origin_x1 = x1;
2632                         gui->crop_origin_y1 = y1;
2633                         gui->crop_origin_x2 = x2;
2634                         gui->crop_origin_y2 = y2;
2635                 }
2636                 else
2637                         gui->crop_translate = 0;
2638
2639                 gui->current_operation = CWINDOW_CROP;
2640                 gui->crop_handle = handle_selected;
2641                 gui->x_origin = cursor_x;
2642                 gui->y_origin = cursor_y;
2643                 gui->tool_panel->raise_window();
2644                 result = 1;
2645
2646                 if(handle_selected < 0 && !gui->crop_translate)
2647                 {
2648                         x2 = x1 = cursor_x;
2649                         y2 = y1 = cursor_y;
2650                         mwindow->edl->session->crop_x1 = (int)x1;
2651                         mwindow->edl->session->crop_y1 = (int)y1;
2652                         mwindow->edl->session->crop_x2 = (int)x2;
2653                         mwindow->edl->session->crop_y2 = (int)y2;
2654                         redraw = 1;
2655                 }
2656         }
2657         else
2658 // Translate all 4 points
2659         if(gui->current_operation == CWINDOW_CROP && gui->crop_translate)
2660         {
2661                 x1 = cursor_x - gui->x_origin + gui->crop_origin_x1;
2662                 y1 = cursor_y - gui->y_origin + gui->crop_origin_y1;
2663                 x2 = cursor_x - gui->x_origin + gui->crop_origin_x2;
2664                 y2 = cursor_y - gui->y_origin + gui->crop_origin_y2;
2665
2666                 mwindow->edl->session->crop_x1 = (int)x1;
2667                 mwindow->edl->session->crop_y1 = (int)y1;
2668                 mwindow->edl->session->crop_x2 = (int)x2;
2669                 mwindow->edl->session->crop_y2 = (int)y2;
2670                 result = 1;
2671                 redraw = 1;
2672         }
2673         else
2674 // Update dragging
2675         if(gui->current_operation == CWINDOW_CROP)
2676         {
2677                 switch(gui->crop_handle)
2678                 {
2679                         case -1:
2680                                 x1 = gui->crop_origin_x;
2681                                 y1 = gui->crop_origin_y;
2682                                 x2 = gui->crop_origin_x;
2683                                 y2 = gui->crop_origin_y;
2684                                 if(cursor_x < gui->x_origin)
2685                                 {
2686                                         if(cursor_y < gui->y_origin)
2687                                         {
2688                                                 x1 = cursor_x;
2689                                                 y1 = cursor_y;
2690                                         }
2691                                         else
2692                                         if(cursor_y >= gui->y_origin)
2693                                         {
2694                                                 x1 = cursor_x;
2695                                                 y2 = cursor_y;
2696                                         }
2697                                 }
2698                                 else
2699                                 if(cursor_x  >= gui->x_origin)
2700                                 {
2701                                         if(cursor_y < gui->y_origin)
2702                                         {
2703                                                 y1 = cursor_y;
2704                                                 x2 = cursor_x;
2705                                         }
2706                                         else
2707                                         if(cursor_y >= gui->y_origin)
2708                                         {
2709                                                 x2 = cursor_x;
2710                                                 y2 = cursor_y;
2711                                         }
2712                                 }
2713
2714 // printf("test crop %d %d %d %d\n",
2715 //      mwindow->edl->session->crop_x1,
2716 //      mwindow->edl->session->crop_y1,
2717 //      mwindow->edl->session->crop_x2,
2718 //      mwindow->edl->session->crop_y2);
2719                                 break;
2720                         case 0:
2721                                 x1 = cursor_x - gui->x_origin + gui->crop_origin_x;
2722                                 y1 = cursor_y - gui->y_origin + gui->crop_origin_y;
2723                                 break;
2724                         case 1:
2725                                 x2 = cursor_x - gui->x_origin + gui->crop_origin_x;
2726                                 y1 = cursor_y - gui->y_origin + gui->crop_origin_y;
2727                                 break;
2728                         case 2:
2729                                 x1 = cursor_x - gui->x_origin + gui->crop_origin_x;
2730                                 y2 = cursor_y - gui->y_origin + gui->crop_origin_y;
2731                                 break;
2732                         case 3:
2733                                 x2 = cursor_x - gui->x_origin + gui->crop_origin_x;
2734                                 y2 = cursor_y - gui->y_origin + gui->crop_origin_y;
2735                                 break;
2736                 }
2737
2738                 if(!EQUIV(mwindow->edl->session->crop_x1, x1) ||
2739                         !EQUIV(mwindow->edl->session->crop_x2, x2) ||
2740                         !EQUIV(mwindow->edl->session->crop_y1, y1) ||
2741                         !EQUIV(mwindow->edl->session->crop_y2, y2))
2742                 {
2743                         if (x1 > x2)
2744                         {
2745                                 float tmp = x1;
2746                                 x1 = x2;
2747                                 x2 = tmp;
2748                                 switch (gui->crop_handle)
2749                                 {
2750                                         case 0: gui->crop_handle = 1; break;
2751                                         case 1: gui->crop_handle = 0; break;
2752                                         case 2: gui->crop_handle = 3; break;
2753                                         case 3: gui->crop_handle = 2; break;
2754                                         default: break;
2755                                 }
2756                         }
2757
2758                         if (y1 > y2)
2759                         {
2760                                 float tmp = y1;
2761                                 y1 = y2;
2762                                 y2 = tmp;
2763                                 switch (gui->crop_handle)
2764                                 {
2765                                         case 0: gui->crop_handle = 2; break;
2766                                         case 1: gui->crop_handle = 3; break;
2767                                         case 2: gui->crop_handle = 0; break;
2768                                         case 3: gui->crop_handle = 1; break;
2769                                         default: break;
2770                                 }
2771                         }
2772
2773                         mwindow->edl->session->crop_x1 = (int)x1;
2774                         mwindow->edl->session->crop_y1 = (int)y1;
2775                         mwindow->edl->session->crop_x2 = (int)x2;
2776                         mwindow->edl->session->crop_y2 = (int)y2;
2777                         result = 1;
2778                         redraw = 1;
2779                 }
2780         }
2781         else
2782 // Update cursor font
2783         if(handle_selected >= 0)
2784         {
2785                 switch(handle_selected)
2786                 {
2787                         case 0:
2788                                 set_cursor(UPLEFT_RESIZE);
2789                                 break;
2790                         case 1:
2791                                 set_cursor(UPRIGHT_RESIZE);
2792                                 break;
2793                         case 2:
2794                                 set_cursor(DOWNLEFT_RESIZE);
2795                                 break;
2796                         case 3:
2797                                 set_cursor(DOWNRIGHT_RESIZE);
2798                                 break;
2799                 }
2800                 result = 1;
2801         }
2802         else
2803         {
2804                 set_cursor(ARROW_CURSOR);
2805         }
2806 #define CLAMP(x, y, z) ((x) = ((x) < (y) ? (y) : ((x) > (z) ? (z) : (x))))
2807
2808         if(redraw)
2809         {
2810                 CLAMP(mwindow->edl->session->crop_x1, 0, mwindow->edl->session->output_w);
2811                 CLAMP(mwindow->edl->session->crop_x2, 0, mwindow->edl->session->output_w);
2812                 CLAMP(mwindow->edl->session->crop_y1, 0, mwindow->edl->session->output_h);
2813                 CLAMP(mwindow->edl->session->crop_y2, 0, mwindow->edl->session->output_h);
2814 // printf("CWindowCanvas::test_crop %d %d %d %d\n",
2815 //      mwindow->edl->session->crop_x2,
2816 //      mwindow->edl->session->crop_y2,
2817 //      mwindow->edl->calculate_output_w(0),
2818 //      mwindow->edl->calculate_output_h(0));
2819         }
2820         return result;
2821 }
2822
2823
2824 void CWindowCanvas::draw_crop()
2825 {
2826         get_canvas()->set_inverse();
2827         get_canvas()->set_color(WHITE);
2828
2829         float x1 = mwindow->edl->session->crop_x1;
2830         float y1 = mwindow->edl->session->crop_y1;
2831         float x2 = mwindow->edl->session->crop_x2;
2832         float y2 = mwindow->edl->session->crop_y2;
2833
2834         output_to_canvas(mwindow->edl, 0, x1, y1);
2835         output_to_canvas(mwindow->edl, 0, x2, y2);
2836
2837         if(x2 - x1 && y2 - y1)
2838                 get_canvas()->draw_rectangle((int)x1,
2839                         (int)y1,
2840                         (int)(x2 - x1),
2841                         (int)(y2 - y1));
2842
2843         draw_crophandle((int)x1, (int)y1);
2844         draw_crophandle((int)x2 - CROPHANDLE_W, (int)y1);
2845         draw_crophandle((int)x1, (int)y2 - CROPHANDLE_H);
2846         draw_crophandle((int)x2 - CROPHANDLE_W, (int)y2 - CROPHANDLE_H);
2847         get_canvas()->set_opaque();
2848 }
2849
2850
2851 void CWindowCanvas::draw_outlines(int do_camera)
2852 {
2853         Track *track = gui->cwindow->calculate_affected_track();
2854
2855         if(!track) return;
2856
2857         float proj_x, proj_y, proj_z;
2858         int64_t position = track->to_units(
2859                 mwindow->edl->local_session->get_selectionstart(1),
2860                 0);
2861         track->automation->get_projector(&proj_x, &proj_y, &proj_z,
2862                                 position, PLAY_FORWARD);
2863
2864         proj_x += mwindow->edl->session->output_w/2.;
2865         proj_y += mwindow->edl->session->output_h/2.;
2866         float proj_x1 = proj_x - track->track_w/2. * proj_z;
2867         float proj_y1 = proj_y - track->track_h/2. * proj_z;
2868         float proj_x2 = proj_x + track->track_w/2. * proj_z;
2869         float proj_y2 = proj_y + track->track_h/2. * proj_z;
2870         float x1 = proj_x1, x2 = proj_x2;
2871         float y1 = proj_y1, y2 = proj_y2;
2872         output_to_canvas(mwindow->edl, 0, x1, y1);
2873         output_to_canvas(mwindow->edl, 0, x2, y2);
2874
2875 #define DRAW_PROJECTION(offset) \
2876         get_canvas()->draw_rectangle(x1+offset, y1+offset, (x2-x1), (y2-y1)); \
2877         get_canvas()->draw_line(x1+offset, y1+offset, x2+offset, y2+offset); \
2878         get_canvas()->draw_line(x2+offset, y1+offset, x1+offset, y2+offset); \
2879
2880 // Drop shadow
2881         get_canvas()->set_color(BLACK);
2882         DRAW_PROJECTION(1);
2883         get_canvas()->set_color(do_camera ? GREEN : RED);
2884         DRAW_PROJECTION(0);
2885
2886         if( do_camera ) {
2887                 float cam_x, cam_y, cam_z;
2888                 track->automation->get_camera(&cam_x, &cam_y, &cam_z,
2889                                         position, PLAY_FORWARD);
2890                 cam_x += track->track_w / 2.;
2891                 cam_y += track->track_h / 2.;
2892 // follow image, not camera
2893                 cam_x = -cam_x;  cam_y = -cam_y;  cam_z *= proj_z;
2894                 float cam_x1 = cam_x * cam_z + proj_x;
2895                 float cam_y1 = cam_y * cam_z + proj_y;
2896                 float cam_x2 = (cam_x + track->track_w) * cam_z + proj_x;
2897                 float cam_y2 = (cam_y + track->track_h) * cam_z + proj_y;
2898                 output_to_canvas(mwindow->edl, 0, cam_x1, cam_y1);
2899                 output_to_canvas(mwindow->edl, 0, cam_x2, cam_y2);
2900                 get_canvas()->set_color(YELLOW);
2901                 get_canvas()->draw_rectangle(cam_x1, cam_y1, cam_x2-cam_x1, cam_y2-cam_y1);
2902         }
2903 }
2904
2905 int CWindowCanvas::test_bezier(int button_press,
2906         int &redraw,
2907         int &redraw_canvas,
2908         int &rerender,
2909         int do_camera)
2910 {
2911         int result = 0;
2912
2913 // Processing drag operation.
2914 // Create keyframe during first cursor motion.
2915         if( !button_press ) {
2916
2917                 float cursor_x = get_cursor_x();
2918                 float cursor_y = get_cursor_y();
2919                 canvas_to_output(mwindow->edl, 0, cursor_x, cursor_y);
2920
2921                 if( gui->current_operation == CWINDOW_CAMERA ||
2922                     gui->current_operation == CWINDOW_PROJECTOR ) {
2923                         if( !gui->ctrl_down() && gui->shift_down() && !gui->translating_zoom ) {
2924                                 gui->translating_zoom = 1;
2925                                 gui->reset_affected();
2926                         }
2927                         else if( !gui->ctrl_down() && !gui->shift_down() && gui->translating_zoom ) {
2928                                 gui->translating_zoom = 0;
2929                                 gui->reset_affected();
2930                         }
2931
2932 // Get target keyframe
2933                         if( !gui->affected_x && !gui->affected_y && !gui->affected_z ) {
2934                                 if(!gui->affected_track) return 0;
2935                                 FloatAutos *affected_x_autos, *affected_y_autos, *affected_z_autos;
2936                                 FloatAutos** autos = (FloatAutos**) gui->affected_track->automation->autos;
2937                                 if( mwindow->edl->session->cwindow_operation == CWINDOW_CAMERA ) {
2938                                         affected_x_autos = autos[AUTOMATION_CAMERA_X];
2939                                         affected_y_autos = autos[AUTOMATION_CAMERA_Y];
2940                                         affected_z_autos = autos[AUTOMATION_CAMERA_Z];
2941                                 }
2942                                 else {
2943                                         affected_x_autos = autos[AUTOMATION_PROJECTOR_X];
2944                                         affected_y_autos = autos[AUTOMATION_PROJECTOR_Y];
2945                                         affected_z_autos = autos[AUTOMATION_PROJECTOR_Z];
2946                                 }
2947                                 double position = mwindow->edl->local_session->get_selectionstart(1);
2948                                 int64_t track_position = gui->affected_track->to_units(position, 0);
2949                                 FloatAuto *prev_x = 0, *next_x = 0;
2950                                 float new_x = affected_x_autos->get_value(track_position, PLAY_FORWARD, prev_x, next_x);
2951                                 FloatAuto *prev_y = 0, *next_y = 0;
2952                                 float new_y = affected_y_autos->get_value(track_position, PLAY_FORWARD, prev_y, next_y);
2953                                 FloatAuto *prev_z = 0, *next_z = 0;
2954                                 float new_z = affected_z_autos->get_value(track_position, PLAY_FORWARD, prev_z, next_z);
2955                                 int zooming = gui->translating_zoom, created;
2956                                 gui->affected_x = (FloatAuto*)gui->cwindow->calculate_affected_auto(
2957                                                         affected_x_autos, !zooming, &created, 0);
2958                                 if( created ) {
2959                                         gui->affected_x->set_value(new_x);
2960                                         redraw_canvas = 1;
2961                                 }
2962                                 gui->affected_y = (FloatAuto*)gui->cwindow->calculate_affected_auto(
2963                                                         affected_y_autos, !zooming, &created, 0);
2964                                 if( created ) {
2965                                         gui->affected_y->set_value(new_y);
2966                                         redraw_canvas = 1;
2967                                 }
2968                                 gui->affected_z = (FloatAuto*)gui->cwindow->calculate_affected_auto(
2969                                                         affected_z_autos, zooming, &created, 0);
2970                                 if( created ) {
2971                                         gui->affected_z->set_value(new_z);
2972                                         redraw_canvas = 1;
2973                                 }
2974                                 calculate_origin();
2975
2976                                 if( gui->translating_zoom ) {
2977                                         gui->center_z = gui->affected_z->get_value();
2978                                 }
2979                                 else {
2980                                         gui->center_x = gui->affected_x->get_value();
2981                                         gui->center_y = gui->affected_y->get_value();
2982                                 }
2983
2984                                 rerender = 1;
2985                                 redraw = 1;
2986                         }
2987
2988                         float x_val = gui->affected_x->get_value();
2989                         float y_val = gui->affected_y->get_value();
2990                         float z_val = gui->affected_z->get_value();
2991
2992                         if( gui->translating_zoom ) {
2993                                 float z = gui->center_z + (cursor_y - gui->y_origin) / 128;
2994                                 if( z < 0 ) z = 0;
2995                                 if( !EQUIV(z_val, z) ) {
2996                                         rerender = 1;
2997                                         redraw = 1;
2998                                         redraw_canvas = 1;
2999                                 }
3000                                 gui->affected_z->set_value(z);
3001                         }
3002                         else {
3003                                 float dx = cursor_x - gui->x_origin;
3004                                 float dy = cursor_y - gui->y_origin;
3005 // follow image, not camera
3006                                 if( gui->current_operation == CWINDOW_CAMERA ) {
3007                                         dx = -dx / z_val;  dy = -dy / z_val;
3008                                 }
3009                                 float x = gui->center_x + dx;
3010                                 float y = gui->center_y + dy;
3011                                 gui->affected_x->set_value(x);
3012                                 gui->affected_y->set_value(y);
3013                                 if( !EQUIV(x_val, x) || !EQUIV(y_val, y) ) {
3014                                         rerender = 1;
3015                                         redraw = 1;
3016                                         redraw_canvas = 1;
3017                                 }
3018                         }
3019                 }
3020
3021                 result = 1;
3022         }
3023         else
3024 // Begin drag operation.  Don't create keyframe here.
3025         {
3026 // Get affected track off of the first recordable video track.
3027 // Calculating based on the alpha channel would require recording what layer
3028 // each output pixel belongs to as they're rendered and stacked.  Forget it.
3029                 gui->affected_track = gui->cwindow->calculate_affected_track();
3030                 gui->reset_affected();
3031
3032                 if(gui->affected_track)
3033                 {
3034                         if( do_camera )
3035                                 mwindow->undo->update_undo_before(_("camera"), this);
3036                         else
3037                                 mwindow->undo->update_undo_before(_("projector"), this);
3038
3039                         gui->current_operation =
3040                                 mwindow->edl->session->cwindow_operation;
3041                         gui->tool_panel->raise_window();
3042                         result = 1;
3043                 }
3044         }
3045
3046         return result;
3047 }
3048
3049
3050 int CWindowCanvas::test_zoom(int &redraw)
3051 {
3052         int result = 0;
3053         float x, y;
3054         float zoom = 0;
3055
3056         if( mwindow->edl->session->cwindow_scrollbars ) {
3057                 if( *gui->zoom_panel->get_text() != 'x' ) {
3058 // Find current zoom in table
3059                         int idx = total_zooms;  float old_zoom = get_zoom();
3060                         while( --idx >= 0 && !EQUIV(my_zoom_table[idx], old_zoom) );
3061                         if( idx >= 0 ) {
3062                                 idx += get_buttonpress() == 5 ||
3063                                          gui->ctrl_down() || gui->shift_down() ?  -1 : +1 ;
3064                                 CLAMP(idx, 0, total_zooms-1);
3065                                 zoom = my_zoom_table[idx];
3066                         }
3067                 }
3068                 x = get_cursor_x();  y = get_cursor_y();
3069                 if( !zoom ) {
3070                         mwindow->edl->session->cwindow_scrollbars = 0;
3071                         gui->zoom_panel->update(0);
3072                         zoom = gui->get_auto_zoom();
3073                 }
3074                 else {
3075                         gui->zoom_panel->ZoomPanel::update(zoom);
3076                         float output_x = x, output_y = y;
3077                         canvas_to_output(mwindow->edl, 0, output_x, output_y);
3078                         x = output_x - x / zoom;
3079                         y = output_y - y / zoom;
3080                 }
3081         }
3082         else {
3083                 mwindow->edl->session->cwindow_scrollbars = 1;
3084                 x = (mwindow->edl->session->output_w - w) / 2;
3085                 y = (mwindow->edl->session->output_h - h) / 2;
3086                 zoom = 1;
3087         }
3088         update_zoom((int)x, (int)y, zoom);
3089
3090         gui->composite_panel->cpanel_zoom->update(zoom);
3091
3092         reposition_window(mwindow->edl,
3093                         mwindow->theme->ccanvas_x, mwindow->theme->ccanvas_y,
3094                         mwindow->theme->ccanvas_w, mwindow->theme->ccanvas_h);
3095         redraw = 1;  result = 1;
3096
3097         return result;
3098 }
3099
3100
3101 void CWindowCanvas::calculate_origin()
3102 {
3103         gui->x_origin = get_cursor_x();
3104         gui->y_origin = get_cursor_y();
3105 //printf("CWindowCanvas::calculate_origin 1 %f %f\n", gui->x_origin, gui->y_origin);
3106         canvas_to_output(mwindow->edl, 0, gui->x_origin, gui->y_origin);
3107 //printf("CWindowCanvas::calculate_origin 2 %f %f\n", gui->x_origin, gui->y_origin);
3108 }
3109
3110
3111 int CWindowCanvas::cursor_leave_event()
3112 {
3113         set_cursor(ARROW_CURSOR);
3114         return 1;
3115 }
3116
3117 int CWindowCanvas::cursor_enter_event()
3118 {
3119         int redraw = 0;
3120         switch(mwindow->edl->session->cwindow_operation)
3121         {
3122                 case CWINDOW_CAMERA:
3123                 case CWINDOW_PROJECTOR:
3124                         set_cursor(MOVE_CURSOR);
3125                         break;
3126                 case CWINDOW_ZOOM:
3127                         set_cursor(MOVE_CURSOR);
3128                         break;
3129                 case CWINDOW_CROP:
3130                         test_crop(0, redraw);
3131                         break;
3132                 case CWINDOW_PROTECT:
3133                         set_cursor(ARROW_CURSOR);
3134                         break;
3135                 case CWINDOW_MASK:
3136                 case CWINDOW_RULER:
3137                         set_cursor(CROSS_CURSOR);
3138                         break;
3139                 case CWINDOW_EYEDROP:
3140                         set_cursor(CROSS_CURSOR);
3141                         break;
3142         }
3143         return 1;
3144 }
3145
3146 int CWindowCanvas::cursor_motion_event()
3147 {
3148         int redraw = 0, result = 0, rerender = 0, redraw_canvas = 0;
3149
3150
3151 //printf("CWindowCanvas::cursor_motion_event %d current_operation=%d\n", __LINE__, gui->current_operation);
3152         switch(gui->current_operation)
3153         {
3154                 case CWINDOW_SCROLL:
3155                 {
3156                         float zoom = get_zoom();
3157                         float cursor_x = get_cursor_x();
3158                         float cursor_y = get_cursor_y();
3159
3160                         float zoom_x, zoom_y, conformed_w, conformed_h;
3161                         get_zooms(mwindow->edl, 0, zoom_x, zoom_y, conformed_w, conformed_h);
3162                         cursor_x = (float)cursor_x / zoom_x + gui->x_offset;
3163                         cursor_y = (float)cursor_y / zoom_y + gui->y_offset;
3164
3165
3166
3167                         int x = (int)(gui->x_origin - cursor_x + gui->x_offset);
3168                         int y = (int)(gui->y_origin - cursor_y + gui->y_offset);
3169
3170                         update_zoom(x,
3171                                 y,
3172                                 zoom);
3173                         update_scrollbars(0);
3174                         redraw = 1;
3175                         result = 1;
3176                         break;
3177                 }
3178
3179                 case CWINDOW_RULER:
3180                         result = do_ruler(0, 1, 0, 0);
3181                         break;
3182
3183                 case CWINDOW_CAMERA:
3184                         result = test_bezier(0, redraw, redraw_canvas, rerender, 1);
3185                         break;
3186
3187                 case CWINDOW_PROJECTOR:
3188                         result = test_bezier(0, redraw, redraw_canvas, rerender, 0);
3189                         break;
3190
3191
3192                 case CWINDOW_CROP:
3193                         result = test_crop(0, redraw);
3194 // printf("CWindowCanvas::cursor_motion_event %d result=%d redraw=%d\n",
3195 // __LINE__,
3196 // result,
3197 // redraw);
3198                         break;
3199
3200                 case CWINDOW_MASK:
3201                 case CWINDOW_MASK_CONTROL_IN:
3202                 case CWINDOW_MASK_CONTROL_OUT:
3203                 case CWINDOW_MASK_TRANSLATE:
3204
3205                         result = do_mask(redraw,
3206                                 rerender,
3207                                 0,
3208                                 1,
3209                                 0);
3210                         break;
3211
3212                 case CWINDOW_EYEDROP:
3213                         result = do_eyedrop(rerender, 0, 0);
3214                         break;
3215
3216                 default:
3217                         break;
3218
3219         }
3220
3221
3222 // cursor font changes
3223         if(!result)
3224         {
3225 // printf("CWindowCanvas::cursor_motion_event %d cwindow_operation=%d\n",
3226 // __LINE__,
3227 // mwindow->edl->session->cwindow_operation);
3228                 switch(mwindow->edl->session->cwindow_operation)
3229                 {
3230                         case CWINDOW_CROP:
3231                                 result = test_crop(0, redraw);
3232                                 break;
3233                         case CWINDOW_RULER:
3234                                 result = do_ruler(0, 1, 0, 0);
3235                                 break;
3236                         case CWINDOW_MASK:
3237                                 result = do_mask(redraw,
3238                                         rerender,
3239                                         0,
3240                                         1,
3241                                         0);
3242                                         break;
3243                 }
3244         }
3245
3246         int change_type = rerender ? CHANGE_PARAMS : -1;
3247         gui->sync_parameters(change_type, redraw, redraw_canvas);
3248
3249         return result;
3250 }
3251
3252 int CWindowCanvas::button_press_event()
3253 {
3254         int result = 0;
3255         int redraw = 0;
3256         int redraw_canvas = 0;
3257         int rerender = 0;
3258
3259         if(Canvas::button_press_event()) return 1;
3260
3261         gui->translating_zoom = gui->shift_down();
3262
3263         calculate_origin();
3264 //printf("CWindowCanvas::button_press_event 2 %f %f\n", gui->x_origin, gui->y_origin, gui->x_origin, gui->y_origin);
3265
3266         float zoom_x, zoom_y, conformed_w, conformed_h;
3267         get_zooms(mwindow->edl, 0, zoom_x, zoom_y, conformed_w, conformed_h);
3268         gui->x_offset = get_x_offset(mwindow->edl, 0, zoom_x, conformed_w, conformed_h);
3269         gui->y_offset = get_y_offset(mwindow->edl, 0, zoom_y, conformed_w, conformed_h);
3270
3271 // Scroll view
3272         if( mwindow->edl->session->cwindow_operation != CWINDOW_PROTECT &&
3273             get_buttonpress() == 2 )
3274         {
3275                 gui->current_operation = CWINDOW_SCROLL;
3276                 result = 1;
3277         }
3278         else
3279 // Adjust parameter
3280         {
3281                 switch(mwindow->edl->session->cwindow_operation)
3282                 {
3283                         case CWINDOW_RULER:
3284                                 result = do_ruler(0, 0, 1, 0);
3285                                 break;
3286
3287                         case CWINDOW_CAMERA:
3288                                 result = test_bezier(1, redraw, redraw_canvas, rerender, 1);
3289                                 break;
3290
3291                         case CWINDOW_PROJECTOR:
3292                                 result = test_bezier(1, redraw, redraw_canvas, rerender, 0);
3293                                 break;
3294
3295                         case CWINDOW_ZOOM:
3296                                 result = test_zoom(redraw);
3297                                 break;
3298
3299                         case CWINDOW_CROP:
3300                                 result = test_crop(1, redraw);
3301                                 break;
3302
3303                         case CWINDOW_MASK:
3304                                 if(get_buttonpress() == 1)
3305                                         result = do_mask(redraw, rerender, 1, 0, 0);
3306                                 break;
3307
3308                         case CWINDOW_EYEDROP:
3309                                 result = do_eyedrop(rerender, 1, 0);
3310                                 break;
3311                 }
3312         }
3313
3314         int change_type = rerender ? CHANGE_PARAMS : -1;
3315         gui->sync_parameters(change_type, redraw, redraw_canvas);
3316
3317         return result;
3318 }
3319
3320 int CWindowCanvas::button_release_event()
3321 {
3322         int result = 0;
3323
3324         switch(gui->current_operation)
3325         {
3326                 case CWINDOW_SCROLL:
3327                         result = 1;
3328                         break;
3329
3330                 case CWINDOW_RULER:
3331                         do_ruler(0, 0, 0, 1);
3332                         break;
3333
3334                 case CWINDOW_CAMERA:
3335                         mwindow->undo->update_undo_after(_("camera"), LOAD_AUTOMATION);
3336                         break;
3337
3338                 case CWINDOW_PROJECTOR:
3339                         mwindow->undo->update_undo_after(_("projector"), LOAD_AUTOMATION);
3340                         break;
3341
3342                 case CWINDOW_MASK:
3343                 case CWINDOW_MASK_CONTROL_IN:
3344                 case CWINDOW_MASK_CONTROL_OUT:
3345                 case CWINDOW_MASK_TRANSLATE:
3346 // Finish mask operation
3347                         gui->mask_keyframe = 0;
3348                         mwindow->undo->update_undo_after(_("mask"), LOAD_AUTOMATION);
3349                         break;
3350                 case CWINDOW_NONE:
3351                         result = Canvas::button_release_event();
3352                         break;
3353         }
3354
3355         gui->current_operation = CWINDOW_NONE;
3356         return result;
3357 }
3358
3359 void CWindowCanvas::zoom_resize_window(float percentage)
3360 {
3361         int canvas_w, canvas_h;
3362         int new_w, new_h;
3363
3364
3365 // Get required canvas size
3366         calculate_sizes(mwindow->edl->get_aspect_ratio(),
3367                 mwindow->edl->session->output_w,
3368                 mwindow->edl->session->output_h,
3369                 percentage,
3370                 canvas_w,
3371                 canvas_h);
3372
3373 // Estimate window size from current borders
3374         new_w = canvas_w + (gui->get_w() - mwindow->theme->ccanvas_w);
3375         new_h = canvas_h + (gui->get_h() - mwindow->theme->ccanvas_h);
3376
3377 //printf("CWindowCanvas::zoom_resize_window %d %d %d\n", __LINE__, new_w, new_h);
3378         mwindow->session->cwindow_w = new_w;
3379         mwindow->session->cwindow_h = new_h;
3380
3381         mwindow->theme->get_cwindow_sizes(gui,
3382                 mwindow->session->cwindow_controls);
3383
3384 // Estimate again from new borders
3385         new_w = canvas_w + (mwindow->session->cwindow_w - mwindow->theme->ccanvas_w);
3386         new_h = canvas_h + (mwindow->session->cwindow_h - mwindow->theme->ccanvas_h);
3387 //printf("CWindowCanvas::zoom_resize_window %d %d %d\n", __LINE__, new_w, new_h);
3388
3389         gui->resize_window(new_w, new_h);
3390         gui->resize_event(new_w, new_h);
3391 }
3392
3393 void CWindowCanvas::toggle_controls()
3394 {
3395         mwindow->session->cwindow_controls = !mwindow->session->cwindow_controls;
3396         gui->resize_event(gui->get_w(), gui->get_h());
3397 }
3398
3399 int CWindowCanvas::get_cwindow_controls()
3400 {
3401         return mwindow->session->cwindow_controls;
3402 }
3403
3404
3405