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("CWindow::camera_keyframe");
 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         {
1130
1131                 if(refresh_frame && refresh_frame->get_w()>0 && refresh_frame->get_h()>0)
1132                 {
1133                         float in_x1, in_y1, in_x2, in_y2;
1134                         float out_x1, out_y1, out_x2, out_y2;
1135                         get_transfers(mwindow->edl,
1136                                 in_x1,
1137                                 in_y1,
1138                                 in_x2,
1139                                 in_y2,
1140                                 out_x1,
1141                                 out_y1,
1142                                 out_x2,
1143                                 out_y2);
1144
1145                         if(!EQUIV(out_x1, 0) ||
1146                                 !EQUIV(out_y1, 0) ||
1147                                 !EQUIV(out_x2, get_canvas()->get_w()) ||
1148                                 !EQUIV(out_y2, get_canvas()->get_h()))
1149                         {
1150                                 get_canvas()->clear_box(0,
1151                                         0,
1152                                         get_canvas()->get_w(),
1153                                         get_canvas()->get_h());
1154                         }
1155
1156 //printf("CWindowCanvas::draw_refresh %.2f %.2f %.2f %.2f -> %.2f %.2f %.2f %.2f\n",
1157 //in_x1, in_y1, in_x2, in_y2, out_x1, out_y1, out_x2, out_y2);
1158
1159
1160                         if(out_x2 > out_x1 &&
1161                                 out_y2 > out_y1 &&
1162                                 in_x2 > in_x1 &&
1163                                 in_y2 > in_y1)
1164                         {
1165 // input scaled from session to refresh frame coordinates
1166                                 int ow = get_output_w(mwindow->edl);
1167                                 int oh = get_output_h(mwindow->edl);
1168                                 int rw = refresh_frame->get_w();
1169                                 int rh = refresh_frame->get_h();
1170                                 float xs = (float)rw / ow;
1171                                 float ys = (float)rh / oh;
1172                                 in_x1 *= xs;  in_x2 *= xs;
1173                                 in_y1 *= ys;  in_y2 *= ys;
1174 // Can't use OpenGL here because it is called asynchronously of the
1175 // playback operation.
1176                                 get_canvas()->draw_vframe(refresh_frame,
1177                                                 (int)out_x1,
1178                                                 (int)out_y1,
1179                                                 (int)(out_x2 - out_x1),
1180                                                 (int)(out_y2 - out_y1),
1181                                                 (int)in_x1,
1182                                                 (int)in_y1,
1183                                                 (int)(in_x2 - in_x1),
1184                                                 (int)(in_y2 - in_y1),
1185                                                 0);
1186                         }
1187                 }
1188                 else
1189                 {
1190                         get_canvas()->clear_box(0,
1191                                 0,
1192                                 get_canvas()->get_w(),
1193                                 get_canvas()->get_h());
1194                 }
1195
1196                 draw_overlays();
1197 // allow last opengl write to complete before redraw
1198 // tried sync_display, glFlush, glxMake*Current(0..)
1199 usleep(20000);
1200                 get_canvas()->flash(flush);
1201         }
1202 //printf("CWindowCanvas::draw_refresh 10\n");
1203 }
1204
1205 #define CROPHANDLE_W 10
1206 #define CROPHANDLE_H 10
1207
1208 void CWindowCanvas::draw_crophandle(int x, int y)
1209 {
1210         get_canvas()->draw_box(x, y, CROPHANDLE_W, CROPHANDLE_H);
1211 }
1212
1213
1214
1215
1216
1217
1218 #define CONTROL_W 10
1219 #define CONTROL_H 10
1220 #define FIRST_CONTROL_W 20
1221 #define FIRST_CONTROL_H 20
1222 #undef BC_INFINITY
1223 #define BC_INFINITY 65536
1224
1225 #define RULERHANDLE_W 16
1226 #define RULERHANDLE_H 16
1227
1228
1229
1230 int CWindowCanvas::do_ruler(int draw,
1231         int motion,
1232         int button_press,
1233         int button_release)
1234 {
1235         int result = 0;
1236         float x1 = mwindow->edl->session->ruler_x1;
1237         float y1 = mwindow->edl->session->ruler_y1;
1238         float x2 = mwindow->edl->session->ruler_x2;
1239         float y2 = mwindow->edl->session->ruler_y2;
1240         float canvas_x1 = x1;
1241         float canvas_y1 = y1;
1242         float canvas_x2 = x2;
1243         float canvas_y2 = y2;
1244         float output_x = get_cursor_x();
1245         float output_y = get_cursor_y();
1246         float canvas_cursor_x = output_x;
1247         float canvas_cursor_y = output_y;
1248
1249         canvas_to_output(mwindow->edl, 0, output_x, output_y);
1250         output_to_canvas(mwindow->edl, 0, canvas_x1, canvas_y1);
1251         output_to_canvas(mwindow->edl, 0, canvas_x2, canvas_y2);
1252         mwindow->session->cwindow_output_x = roundf(output_x);
1253         mwindow->session->cwindow_output_y = roundf(output_y);
1254
1255         if(button_press && get_buttonpress() == 1)
1256         {
1257                 gui->ruler_handle = -1;
1258                 gui->ruler_translate = 0;
1259                 if(gui->alt_down())
1260                 {
1261                         gui->ruler_translate = 1;
1262                         gui->ruler_origin_x = x1;
1263                         gui->ruler_origin_y = y1;
1264                 }
1265                 else
1266                 if(canvas_cursor_x >= canvas_x1 - RULERHANDLE_W / 2 &&
1267                         canvas_cursor_x < canvas_x1 + RULERHANDLE_W / 2 &&
1268                         canvas_cursor_y >= canvas_y1 - RULERHANDLE_W &&
1269                         canvas_cursor_y < canvas_y1 + RULERHANDLE_H / 2)
1270                 {
1271                         gui->ruler_handle = 0;
1272                         gui->ruler_origin_x = x1;
1273                         gui->ruler_origin_y = y1;
1274                 }
1275                 else
1276                 if(canvas_cursor_x >= canvas_x2 - RULERHANDLE_W / 2 &&
1277                         canvas_cursor_x < canvas_x2 + RULERHANDLE_W / 2 &&
1278                         canvas_cursor_y >= canvas_y2 - RULERHANDLE_W &&
1279                         canvas_cursor_y < canvas_y2 + RULERHANDLE_H / 2)
1280                 {
1281                         gui->ruler_handle = 1;
1282                         gui->ruler_origin_x = x2;
1283                         gui->ruler_origin_y = y2;
1284                 }
1285
1286
1287 // Start new selection
1288                 if(!gui->ruler_translate &&
1289                         (gui->ruler_handle < 0 ||
1290                         (EQUIV(x2, x1) &&
1291                         EQUIV(y2, y1))))
1292                 {
1293 // Hide previous
1294                         do_ruler(1, 0, 0, 0);
1295                         get_canvas()->flash();
1296                         gui->ruler_handle = 1;
1297                         mwindow->edl->session->ruler_x1 = output_x;
1298                         mwindow->edl->session->ruler_y1 = output_y;
1299                         mwindow->edl->session->ruler_x2 = output_x;
1300                         mwindow->edl->session->ruler_y2 = output_y;
1301                         gui->ruler_origin_x = mwindow->edl->session->ruler_x2;
1302                         gui->ruler_origin_y = mwindow->edl->session->ruler_y2;
1303                 }
1304
1305                 gui->x_origin = output_x;
1306                 gui->y_origin = output_y;
1307                 gui->current_operation = CWINDOW_RULER;
1308                 gui->tool_panel->raise_window();
1309                 result = 1;
1310         }
1311
1312         if(motion)
1313         {
1314                 if(gui->current_operation == CWINDOW_RULER)
1315                 {
1316                         if(gui->ruler_translate)
1317                         {
1318 // Hide ruler
1319                                 do_ruler(1, 0, 0, 0);
1320                                 float x_difference = mwindow->edl->session->ruler_x1;
1321                                 float y_difference = mwindow->edl->session->ruler_y1;
1322                                 mwindow->edl->session->ruler_x1 = output_x - gui->x_origin + gui->ruler_origin_x;
1323                                 mwindow->edl->session->ruler_y1 = output_y - gui->y_origin + gui->ruler_origin_y;
1324                                 x_difference -= mwindow->edl->session->ruler_x1;
1325                                 y_difference -= mwindow->edl->session->ruler_y1;
1326                                 mwindow->edl->session->ruler_x2 -= x_difference;
1327                                 mwindow->edl->session->ruler_y2 -= y_difference;
1328 // Show ruler
1329                                 do_ruler(1, 0, 0, 0);
1330                                 get_canvas()->flash();
1331                                 gui->update_tool();
1332                         }
1333                         else
1334                         switch(gui->ruler_handle)
1335                         {
1336                                 case 0:
1337                                         do_ruler(1, 0, 0, 0);
1338                                         mwindow->edl->session->ruler_x1 = output_x - gui->x_origin + gui->ruler_origin_x;
1339                                         mwindow->edl->session->ruler_y1 = output_y - gui->y_origin + gui->ruler_origin_y;
1340                                         if(gui->alt_down() || gui->ctrl_down())
1341                                         {
1342                                                 double angle_value = fabs(atan((mwindow->edl->session->ruler_y2 - mwindow->edl->session->ruler_y1) /
1343                                                         (mwindow->edl->session->ruler_x2 - mwindow->edl->session->ruler_x1)) *
1344                                                         360 /
1345                                                         2 /
1346                                                         M_PI);
1347                                                 double distance_value =
1348                                                         sqrt(SQR(mwindow->edl->session->ruler_x2 - mwindow->edl->session->ruler_x1) +
1349                                                         SQR(mwindow->edl->session->ruler_y2 - mwindow->edl->session->ruler_y1));
1350                                                 if(angle_value < 22)
1351                                                         mwindow->edl->session->ruler_y1 = mwindow->edl->session->ruler_y2;
1352                                                 else
1353                                                 if(angle_value > 67)
1354                                                         mwindow->edl->session->ruler_x1 = mwindow->edl->session->ruler_x2;
1355                                                 else
1356                                                 if(mwindow->edl->session->ruler_x1 < mwindow->edl->session->ruler_x2 &&
1357                                                         mwindow->edl->session->ruler_y1 < mwindow->edl->session->ruler_y2)
1358                                                 {
1359                                                         mwindow->edl->session->ruler_x1 = mwindow->edl->session->ruler_x2 - distance_value / 1.414214;
1360                                                         mwindow->edl->session->ruler_y1 = mwindow->edl->session->ruler_y2 - distance_value / 1.414214;
1361                                                 }
1362                                                 else
1363                                                 if(mwindow->edl->session->ruler_x1 < mwindow->edl->session->ruler_x2 && mwindow->edl->session->ruler_y1 > mwindow->edl->session->ruler_y2)
1364                                                 {
1365                                                         mwindow->edl->session->ruler_x1 = mwindow->edl->session->ruler_x2 - distance_value / 1.414214;
1366                                                         mwindow->edl->session->ruler_y1 = mwindow->edl->session->ruler_y2 + distance_value / 1.414214;
1367                                                 }
1368                                                 else
1369                                                 if(mwindow->edl->session->ruler_x1 > mwindow->edl->session->ruler_x2 &&
1370                                                         mwindow->edl->session->ruler_y1 < mwindow->edl->session->ruler_y2)
1371                                                 {
1372                                                         mwindow->edl->session->ruler_x1 = mwindow->edl->session->ruler_x2 + distance_value / 1.414214;
1373                                                         mwindow->edl->session->ruler_y1 = mwindow->edl->session->ruler_y2 - distance_value / 1.414214;
1374                                                 }
1375                                                 else
1376                                                 {
1377                                                         mwindow->edl->session->ruler_x1 = mwindow->edl->session->ruler_x2 + distance_value / 1.414214;
1378                                                         mwindow->edl->session->ruler_y1 = mwindow->edl->session->ruler_y2 + distance_value / 1.414214;
1379                                                 }
1380                                         }
1381                                         do_ruler(1, 0, 0, 0);
1382                                         get_canvas()->flash();
1383                                         gui->update_tool();
1384                                         break;
1385
1386                                 case 1:
1387                                         do_ruler(1, 0, 0, 0);
1388                                         mwindow->edl->session->ruler_x2 = output_x - gui->x_origin + gui->ruler_origin_x;
1389                                         mwindow->edl->session->ruler_y2 = output_y - gui->y_origin + gui->ruler_origin_y;
1390                                         if(gui->alt_down() || gui->ctrl_down())
1391                                         {
1392                                                 double angle_value = fabs(atan((mwindow->edl->session->ruler_y2 - mwindow->edl->session->ruler_y1) /
1393                                                         (mwindow->edl->session->ruler_x2 - mwindow->edl->session->ruler_x1)) *
1394                                                         360 /
1395                                                         2 /
1396                                                         M_PI);
1397                                                 double distance_value =
1398                                                         sqrt(SQR(mwindow->edl->session->ruler_x2 - mwindow->edl->session->ruler_x1) +
1399                                                         SQR(mwindow->edl->session->ruler_y2 - mwindow->edl->session->ruler_y1));
1400                                                 if(angle_value < 22)
1401                                                         mwindow->edl->session->ruler_y2 = mwindow->edl->session->ruler_y1;
1402                                                 else
1403                                                 if(angle_value > 67)
1404                                                         mwindow->edl->session->ruler_x2 = mwindow->edl->session->ruler_x1;
1405                                                 else
1406                                                 if(mwindow->edl->session->ruler_x2 < mwindow->edl->session->ruler_x1 &&
1407                                                         mwindow->edl->session->ruler_y2 < mwindow->edl->session->ruler_y1)
1408                                                 {
1409                                                         mwindow->edl->session->ruler_x2 = mwindow->edl->session->ruler_x1 - distance_value / 1.414214;
1410                                                         mwindow->edl->session->ruler_y2 = mwindow->edl->session->ruler_y1 - distance_value / 1.414214;
1411                                                 }
1412                                                 else
1413                                                 if(mwindow->edl->session->ruler_x2 < mwindow->edl->session->ruler_x1 &&
1414                                                         mwindow->edl->session->ruler_y2 > mwindow->edl->session->ruler_y1)
1415                                                 {
1416                                                         mwindow->edl->session->ruler_x2 = mwindow->edl->session->ruler_x1 - distance_value / 1.414214;
1417                                                         mwindow->edl->session->ruler_y2 = mwindow->edl->session->ruler_y1 + distance_value / 1.414214;
1418                                                 }
1419                                                 else
1420                                                 if(mwindow->edl->session->ruler_x2 > mwindow->edl->session->ruler_x1 && mwindow->edl->session->ruler_y2 < mwindow->edl->session->ruler_y1)
1421                                                 {
1422                                                         mwindow->edl->session->ruler_x2 = mwindow->edl->session->ruler_x1 + distance_value / 1.414214;
1423                                                         mwindow->edl->session->ruler_y2 = mwindow->edl->session->ruler_y1 - distance_value / 1.414214;
1424                                                 }
1425                                                 else
1426                                                 {
1427                                                         mwindow->edl->session->ruler_x2 = mwindow->edl->session->ruler_x1 + distance_value / 1.414214;
1428                                                         mwindow->edl->session->ruler_y2 = mwindow->edl->session->ruler_y1 + distance_value / 1.414214;
1429                                                 }
1430                                         }
1431                                         do_ruler(1, 0, 0, 0);
1432                                         get_canvas()->flash();
1433                                         gui->update_tool();
1434                                         break;
1435                         }
1436 //printf("CWindowCanvas::do_ruler 2 %f %f %f %f\n", gui->ruler_x1, gui->ruler_y1, gui->ruler_x2, gui->ruler_y2);
1437                 }
1438                 else
1439                 {
1440 // printf("CWindowCanvas::do_ruler 2 %f %f %f %f\n",
1441 // canvas_cursor_x,
1442 // canvas_cursor_y,
1443 // canvas_x1,
1444 // canvas_y1);
1445                         if(canvas_cursor_x >= canvas_x1 - RULERHANDLE_W / 2 &&
1446                                 canvas_cursor_x < canvas_x1 + RULERHANDLE_W / 2 &&
1447                                 canvas_cursor_y >= canvas_y1 - RULERHANDLE_W &&
1448                                 canvas_cursor_y < canvas_y1 + RULERHANDLE_H / 2)
1449                         {
1450                                 set_cursor(UPRIGHT_ARROW_CURSOR);
1451                         }
1452                         else
1453                         if(canvas_cursor_x >= canvas_x2 - RULERHANDLE_W / 2 &&
1454                                 canvas_cursor_x < canvas_x2 + RULERHANDLE_W / 2 &&
1455                                 canvas_cursor_y >= canvas_y2 - RULERHANDLE_W &&
1456                                 canvas_cursor_y < canvas_y2 + RULERHANDLE_H / 2)
1457                         {
1458                                 set_cursor(UPRIGHT_ARROW_CURSOR);
1459                         }
1460                         else
1461                                 set_cursor(CROSS_CURSOR);
1462
1463 // Update current position
1464                         gui->update_tool();
1465                 }
1466         }
1467
1468 // Assume no ruler measurement if 0 length
1469         if(draw && (!EQUIV(x2, x1) || !EQUIV(y2, y1)))
1470         {
1471                 get_canvas()->set_inverse();
1472                 get_canvas()->set_color(WHITE);
1473                 get_canvas()->draw_line((int)canvas_x1,
1474                         (int)canvas_y1,
1475                         (int)canvas_x2,
1476                         (int)canvas_y2);
1477                 get_canvas()->draw_line(roundf(canvas_x1) - RULERHANDLE_W / 2,
1478                         roundf(canvas_y1),
1479                         roundf(canvas_x1) + RULERHANDLE_W / 2,
1480                         roundf(canvas_y1));
1481                 get_canvas()->draw_line(roundf(canvas_x1),
1482                         roundf(canvas_y1) - RULERHANDLE_H / 2,
1483                         roundf(canvas_x1),
1484                         roundf(canvas_y1) + RULERHANDLE_H / 2);
1485                 get_canvas()->draw_line(roundf(canvas_x2) - RULERHANDLE_W / 2,
1486                         roundf(canvas_y2),
1487                         roundf(canvas_x2) + RULERHANDLE_W / 2,
1488                         roundf(canvas_y2));
1489                 get_canvas()->draw_line(roundf(canvas_x2),
1490                         roundf(canvas_y2) - RULERHANDLE_H / 2,
1491                         roundf(canvas_x2),
1492                         roundf(canvas_y2) + RULERHANDLE_H / 2);
1493                 get_canvas()->set_opaque();
1494         }
1495
1496         return result;
1497 }
1498
1499
1500 static inline double line_dist(float cx,float cy, float tx,float ty)
1501 {
1502         double dx = tx-cx, dy = ty-cy;
1503         return sqrt(dx*dx + dy*dy);
1504 }
1505
1506 static inline bool test_bbox(int cx, int cy, int tx, int ty)
1507 {
1508 //      printf("test_bbox %d,%d - %d,%d = %f\n",cx,cy,tx,ty,line_dist(cx,cy,tx,ty));
1509         return (llabs(cx-tx) < CONTROL_W/2 && llabs(cy-ty) < CONTROL_H/2);
1510 }
1511
1512
1513 int CWindowCanvas::do_mask(int &redraw, int &rerender,
1514                 int button_press, int cursor_motion, int draw)
1515 {
1516 // Retrieve points from top recordable track
1517 //printf("CWindowCanvas::do_mask 1\n");
1518         Track *track = gui->cwindow->calculate_affected_track();
1519 //printf("CWindowCanvas::do_mask 2\n");
1520
1521         if(!track) return 0;
1522 //printf("CWindowCanvas::do_mask 3\n");
1523
1524         MaskAutos *mask_autos = (MaskAutos*)track->automation->autos[AUTOMATION_MASK];
1525         int64_t position = track->to_units(
1526                 mwindow->edl->local_session->get_selectionstart(1),
1527                 0);
1528         ArrayList<MaskPoint*> points;
1529
1530 // Determine the points based on whether
1531 // new keyframes will be generated or drawing is performed.
1532 // If keyframe generation occurs, use the interpolated mask.
1533 // If no keyframe generation occurs, use the previous mask.
1534         int use_interpolated = 0;
1535         if(button_press || cursor_motion) {
1536 #ifdef USE_KEYFRAME_SPANNING
1537                 double selection_start = mwindow->edl->local_session->get_selectionstart(0);
1538                 double selection_end = mwindow->edl->local_session->get_selectionend(0);
1539
1540                 Auto *first = 0;
1541                 mask_autos->get_prev_auto(track->to_units(selection_start, 0),
1542                         PLAY_FORWARD, first, 1);
1543                 Auto *last = 0;
1544                 mask_autos->get_prev_auto(track->to_units(selection_end, 0),
1545                         PLAY_FORWARD, last, 1);
1546
1547                 if(last == first && (!mwindow->edl->session->auto_keyframes))
1548                         use_interpolated = 0;
1549                 else
1550 // If keyframe spanning occurs, use the interpolated points.
1551 // If new keyframe is generated, use the interpolated points.
1552                         use_interpolated = 1;
1553
1554 #else
1555                 if(mwindow->edl->session->auto_keyframes)
1556                         use_interpolated = 1;
1557 #endif
1558         }
1559         else
1560                 use_interpolated = 1;
1561
1562         if(use_interpolated) {
1563 // Interpolate the points to get exactly what is being rendered at this position.
1564                 mask_autos->get_points(&points,
1565                         mwindow->edl->session->cwindow_mask,
1566                         position,
1567                         PLAY_FORWARD);
1568         }
1569         else {
1570 // Use the prev mask
1571                 Auto *prev = 0;
1572                 mask_autos->get_prev_auto(position,
1573                         PLAY_FORWARD,
1574                         prev,
1575                         1);
1576                 ((MaskAuto*)prev)->get_points(&points,
1577                         mwindow->edl->session->cwindow_mask);
1578         }
1579
1580 // Projector zooms relative to the center of the track output.
1581         float half_track_w = (float)track->track_w / 2;
1582         float half_track_h = (float)track->track_h / 2;
1583 // Translate mask to projection
1584         float projector_x, projector_y, projector_z;
1585         track->automation->get_projector(
1586                 &projector_x, &projector_y, &projector_z,
1587                 position, PLAY_FORWARD);
1588
1589
1590 // Get position of cursor relative to mask
1591         float cursor_x = get_cursor_x(), cursor_y = get_cursor_y();
1592         float mask_cursor_x = cursor_x, mask_cursor_y = cursor_y;
1593         canvas_to_output(mwindow->edl, 0, mask_cursor_x, mask_cursor_y);
1594
1595         projector_x += mwindow->edl->session->output_w / 2;
1596         projector_y += mwindow->edl->session->output_h / 2;
1597         mask_cursor_x = (mask_cursor_x - projector_x) / projector_z + half_track_w;
1598         mask_cursor_y = (mask_cursor_y - projector_y) / projector_z + half_track_h;
1599
1600 // Fix cursor origin
1601         if(button_press) {
1602                 gui->x_origin = mask_cursor_x;
1603                 gui->y_origin = mask_cursor_y;
1604         }
1605
1606         int result = 0;
1607 // Points of closest line
1608         int shortest_point1 = -1;
1609         int shortest_point2 = -1;
1610 // Closest point
1611         int shortest_point = -1;
1612 // Distance to closest line
1613         float shortest_line_distance = BC_INFINITY;
1614 // Distance to closest point
1615         float shortest_point_distance = BC_INFINITY;
1616         int selected_point = -1;
1617         int selected_control_point = -1;
1618         float selected_control_point_distance = BC_INFINITY;
1619         ArrayList<int> x_points;
1620         ArrayList<int> y_points;
1621
1622         if(!cursor_motion) {
1623                 if(draw) {
1624                         get_canvas()->set_color(WHITE);
1625                         get_canvas()->set_inverse();
1626                 }
1627 //printf("CWindowCanvas::do_mask 1 %d\n", points.size());
1628
1629 // Never draw closed polygon and a closed
1630 // polygon is harder to add points to.
1631                 for(int i = 0; i < points.size() && !result; i++) {
1632                         MaskPoint *point1 = points.get(i);
1633                         MaskPoint *point2 = (i >= points.size() - 1) ?
1634                                 points.get(0) : points.get(i + 1);
1635                         if(button_press) {
1636                                 float point_distance1 = line_dist(point1->x,point1->y, mask_cursor_x,mask_cursor_y);
1637                                 if(point_distance1 < shortest_point_distance || shortest_point < 0) {
1638                                         shortest_point_distance = point_distance1;
1639                                         shortest_point = i;
1640                                 }
1641
1642                                 float point_distance2 = line_dist(point2->x,point2->y, mask_cursor_x,mask_cursor_y);
1643                                 if(point_distance2 < shortest_point_distance || shortest_point < 0) {
1644                                         shortest_point_distance = point_distance2;
1645                                         shortest_point = (i >= points.size() - 1) ? 0 : (i + 1);
1646                                 }
1647                         }
1648
1649                         int segments = 1 + line_dist(point1->x,point1->y, point2->x,point2->y);
1650
1651 //printf("CWindowCanvas::do_mask 1 %f, %f -> %f, %f projectorz=%f\n",
1652 //point1->x, point1->y, point2->x, point2->y, projector_z);
1653                         for(int j = 0; j <= segments && !result; j++) {
1654 //printf("CWindowCanvas::do_mask 1 %f, %f -> %f, %f\n", x0, y0, x3, y3);
1655                                 float x0 = point1->x, y0 = point1->y;
1656                                 float x1 = point1->x + point1->control_x2;
1657                                 float y1 = point1->y + point1->control_y2;
1658                                 float x2 = point2->x + point2->control_x1;
1659                                 float y2 = point2->y + point2->control_y1;
1660                                 float x3 = point2->x, y3 = point2->y;
1661                                 float canvas_x0 = (x0 - half_track_w) * projector_z + projector_x;
1662                                 float canvas_y0 = (y0 - half_track_h) * projector_z + projector_y;
1663                                 float canvas_x1 = (x1 - half_track_w) * projector_z + projector_x;
1664                                 float canvas_y1 = (y1 - half_track_h) * projector_z + projector_y;
1665                                 float canvas_x2 = (x2 - half_track_w) * projector_z + projector_x;
1666                                 float canvas_y2 = (y2 - half_track_h) * projector_z + projector_y;
1667                                 float canvas_x3 = (x3 - half_track_w) * projector_z + projector_x;
1668                                 float canvas_y3 = (y3 - half_track_h) * projector_z + projector_y;
1669
1670                                 float t = (float)j / segments;
1671                                 float tpow2 = t * t;
1672                                 float tpow3 = t * t * t;
1673                                 float invt = 1 - t;
1674                                 float invtpow2 = invt * invt;
1675                                 float invtpow3 = invt * invt * invt;
1676
1677                                 float x = (           invtpow3 * x0
1678                                         + 3 * t     * invtpow2 * x1
1679                                         + 3 * tpow2 * invt     * x2
1680                                         +     tpow3            * x3);
1681                                 float y = (           invtpow3 * y0
1682                                         + 3 * t     * invtpow2 * y1
1683                                         + 3 * tpow2 * invt     * y2
1684                                         +     tpow3            * y3);
1685                                 float canvas_x = (x - half_track_w) * projector_z + projector_x;
1686                                 float canvas_y = (y - half_track_h) * projector_z + projector_y;
1687 // Test new point addition
1688                                 if(button_press) {
1689                                         float line_distance = line_dist(x,y, mask_cursor_x,mask_cursor_y);
1690
1691 //printf("CWindowCanvas::do_mask 1 x=%f cursor_x=%f y=%f cursor_y=%f %f %f %d, %d\n",
1692 //  x, cursor_x, y, cursor_y, line_distance, shortest_line_distance, shortest_point1, shortest_point2);
1693                                         if(line_distance < shortest_line_distance ||
1694                                                 shortest_point1 < 0) {
1695                                                 shortest_line_distance = line_distance;
1696                                                 shortest_point1 = i;
1697                                                 shortest_point2 = (i >= points.size() - 1) ? 0 : (i + 1);
1698 //printf("CWindowCanvas::do_mask 2 %f %f %d, %d\n",
1699 //  line_distance, shortest_line_distance, shortest_point1, shortest_point2);
1700                                         }
1701
1702 // Test existing point selection
1703 // Test first point
1704                                         if(gui->ctrl_down()) {
1705                                                 float distance = line_dist(x1,y1, mask_cursor_x,mask_cursor_y);
1706
1707                                                 if(distance < selected_control_point_distance) {
1708                                                         selected_point = i;
1709                                                         selected_control_point = 1;
1710                                                         selected_control_point_distance = distance;
1711                                                 }
1712                                         }
1713                                         else {
1714                                                 if(!gui->shift_down()) {
1715                                                         output_to_canvas(mwindow->edl, 0, canvas_x0, canvas_y0);
1716                                                         if(test_bbox(cursor_x, cursor_y, canvas_x0, canvas_y0)) {
1717                                                                 selected_point = i;
1718                                                         }
1719                                                 }
1720                                                 else {
1721                                                         selected_point = shortest_point;
1722                                                 }
1723                                         }
1724 // Test second point
1725                                         if(gui->ctrl_down()) {
1726                                                 float distance = line_dist(x2,y2, mask_cursor_x,mask_cursor_y);
1727
1728 //printf("CWindowCanvas::do_mask %d %f %f\n", i, distance, selected_control_point_distance);
1729                                                 if(distance < selected_control_point_distance) {
1730                                                         selected_point = (i < points.size() - 1 ? i + 1 : 0);
1731                                                         selected_control_point = 0;
1732                                                         selected_control_point_distance = distance;
1733                                                 }
1734                                         }
1735                                         else if(i < points.size() - 1) {
1736                                                 if(!gui->shift_down()) {
1737                                                         output_to_canvas(mwindow->edl, 0, canvas_x3, canvas_y3);
1738                                                         if(test_bbox(cursor_x, cursor_y, canvas_x3, canvas_y3)) {
1739                                                                 selected_point = (i < points.size() - 1 ? i + 1 : 0);
1740                                                         }
1741                                                 }
1742                                                 else {
1743                                                         selected_point = shortest_point;
1744                                                 }
1745                                         }
1746                                 }
1747
1748                                 output_to_canvas(mwindow->edl, 0, canvas_x, canvas_y);
1749
1750                                 if(j > 0) {
1751
1752                                         if(draw) { // Draw joining line
1753                                                 x_points.append((int)canvas_x);
1754                                                 y_points.append((int)canvas_y);
1755                                         }
1756
1757                                         if(j == segments) {
1758                                                 if(draw) { // Draw second anchor
1759                                                         if(i < points.size() - 1) {
1760                                                                 if(i == gui->affected_point - 1)
1761                                                                         get_canvas()->draw_disc(
1762                                                                                 (int)canvas_x - CONTROL_W / 2,
1763                                                                                 (int)canvas_y - CONTROL_W / 2,
1764                                                                                 CONTROL_W, CONTROL_H);
1765                                                                 else
1766                                                                         get_canvas()->draw_circle(
1767                                                                                 (int)canvas_x - CONTROL_W / 2,
1768                                                                                 (int)canvas_y - CONTROL_W / 2,
1769                                                                                 CONTROL_W, CONTROL_H);
1770 // char string[BCTEXTLEN];
1771 // sprintf(string, "%d", (i < points.size() - 1 ? i + 1 : 0));
1772 // canvas->draw_text((int)canvas_x + CONTROL_W, (int)canvas_y + CONTROL_W, string);
1773                                                         }
1774 // Draw second control point.
1775                                                         output_to_canvas(mwindow->edl, 0, canvas_x2, canvas_y2);
1776                                                         get_canvas()->draw_line(
1777                                                                 (int)canvas_x, (int)canvas_y,
1778                                                                 (int)canvas_x2, (int)canvas_y2);
1779                                                         get_canvas()->draw_rectangle(
1780                                                                 (int)canvas_x2 - CONTROL_W / 2,
1781                                                                 (int)canvas_y2 - CONTROL_H / 2,
1782                                                                 CONTROL_W, CONTROL_H);
1783                                                 }
1784                                         }
1785                                 }
1786                                 else {
1787 // Draw first anchor
1788                                         if(i == 0 && draw) {
1789                                                 char mask_label[BCSTRLEN];
1790                                                 sprintf(mask_label, "%d",
1791                                                         mwindow->edl->session->cwindow_mask);
1792                                                 get_canvas()->draw_text(
1793                                                         (int)canvas_x - FIRST_CONTROL_W,
1794                                                         (int)canvas_y - FIRST_CONTROL_H,
1795                                                         mask_label);
1796
1797                                                 get_canvas()->draw_disc(
1798                                                         (int)canvas_x - FIRST_CONTROL_W / 2,
1799                                                         (int)canvas_y - FIRST_CONTROL_H / 2,
1800                                                         FIRST_CONTROL_W, FIRST_CONTROL_H);
1801                                         }
1802
1803 // Draw first control point.
1804                                         if(draw) {
1805                                                 output_to_canvas(mwindow->edl, 0, canvas_x1, canvas_y1);
1806                                                 get_canvas()->draw_line(
1807                                                         (int)canvas_x, (int)canvas_y,
1808                                                         (int)canvas_x1, (int)canvas_y1);
1809                                                 get_canvas()->draw_rectangle(
1810                                                         (int)canvas_x1 - CONTROL_W / 2,
1811                                                         (int)canvas_y1 - CONTROL_H / 2,
1812                                                         CONTROL_W, CONTROL_H);
1813
1814                                                 x_points.append((int)canvas_x);
1815                                                 y_points.append((int)canvas_y);
1816                                         }
1817                                 }
1818 //printf("CWindowCanvas::do_mask 1\n");
1819
1820                         }
1821                 }
1822 //printf("CWindowCanvas::do_mask 1\n");
1823
1824                 if(draw) {
1825                         get_canvas()->draw_polygon(&x_points, &y_points);
1826                         get_canvas()->set_opaque();
1827                 }
1828 //printf("CWindowCanvas::do_mask 1\n");
1829         }
1830
1831         if(button_press && !result) {
1832                 gui->affected_track = gui->cwindow->calculate_affected_track();
1833
1834 // Get keyframe outside the EDL to edit.  This must be rendered
1835 // instead of the EDL keyframes when it exists.  Then it must be
1836 // applied to the EDL keyframes on buttonrelease.
1837                 if(gui->affected_track) {
1838 #ifdef USE_KEYFRAME_SPANNING
1839 // Make copy of current parameters in local keyframe
1840                         gui->mask_keyframe =
1841                                 (MaskAuto*)gui->cwindow->calculate_affected_auto(
1842                                         mask_autos,
1843                                         0);
1844                         gui->orig_mask_keyframe->copy_data(gui->mask_keyframe);
1845 #else
1846
1847                         gui->mask_keyframe =
1848                                 (MaskAuto*)gui->cwindow->calculate_affected_auto(
1849                                         mask_autos,
1850                                         1);
1851 #endif
1852                 }
1853                 SubMask *mask = gui->mask_keyframe->get_submask(mwindow->edl->session->cwindow_mask);
1854
1855
1856 // Translate entire keyframe
1857                 if(gui->alt_down() && mask->points.size()) {
1858                         mwindow->undo->update_undo_before(_("mask translate"), 0);
1859                         gui->current_operation = CWINDOW_MASK_TRANSLATE;
1860                         gui->affected_point = 0;
1861                 }
1862                 else
1863 // Existing point or control point was selected
1864                 if(selected_point >= 0) {
1865                         mwindow->undo->update_undo_before(_("mask adjust"), 0);
1866                         gui->affected_point = selected_point;
1867
1868                         if(selected_control_point == 0)
1869                                 gui->current_operation = CWINDOW_MASK_CONTROL_IN;
1870                         else
1871                         if(selected_control_point == 1)
1872                                 gui->current_operation = CWINDOW_MASK_CONTROL_OUT;
1873                         else
1874                                 gui->current_operation = mwindow->edl->session->cwindow_operation;
1875                 }
1876                 else // No existing point or control point was selected so create a new one
1877                 if(!gui->ctrl_down() && !gui->alt_down()) {
1878                         mwindow->undo->update_undo_before(_("mask point"), 0);
1879 // Create the template
1880                         MaskPoint *point = new MaskPoint;
1881                         point->x = mask_cursor_x;
1882                         point->y = mask_cursor_y;
1883                         point->control_x1 = 0;
1884                         point->control_y1 = 0;
1885                         point->control_x2 = 0;
1886                         point->control_y2 = 0;
1887
1888
1889                         if(shortest_point2 < shortest_point1) {
1890                                 shortest_point2 ^= shortest_point1;
1891                                 shortest_point1 ^= shortest_point2;
1892                                 shortest_point2 ^= shortest_point1;
1893                         }
1894
1895
1896
1897 // printf("CWindowGUI::do_mask 40\n");
1898 // mwindow->edl->dump();
1899 // printf("CWindowGUI::do_mask 50\n");
1900
1901
1902
1903 //printf("CWindowCanvas::do_mask 1 %f %f %d %d\n",
1904 //      shortest_line_distance, shortest_point_distance, shortest_point1, shortest_point2);
1905 //printf("CWindowCanvas::do_mask %d %d\n", shortest_point1, shortest_point2);
1906
1907 // Append to end of list
1908                         if( shortest_point1 == shortest_point2 ||
1909                             labs(shortest_point1 - shortest_point2) > 1) {
1910 #ifdef USE_KEYFRAME_SPANNING
1911
1912                                 MaskPoint *new_point = new MaskPoint;
1913                                 points.append(new_point);
1914                                 *new_point = *point;
1915                                 gui->affected_point = points.size() - 1;
1916
1917 #else
1918
1919 // Need to apply the new point to every keyframe
1920                                 for(MaskAuto *current = (MaskAuto*)mask_autos->default_auto; current; ) {
1921                                         SubMask *submask = current->get_submask(mwindow->edl->session->cwindow_mask);
1922                                         MaskPoint *new_point = new MaskPoint;
1923                                         submask->points.append(new_point);
1924                                         *new_point = *point;
1925                                         if(current == (MaskAuto*)mask_autos->default_auto)
1926                                                 current = (MaskAuto*)mask_autos->first;
1927                                         else
1928                                                 current = (MaskAuto*)NEXT;
1929                                 }
1930                                 gui->affected_point = mask->points.size() - 1;
1931 #endif
1932
1933                                 result = 1;
1934                         }
1935                         else
1936 // Insert between 2 points, shifting back point 2
1937                         if(shortest_point1 >= 0 && shortest_point2 >= 0) {
1938
1939 #ifdef USE_KEYFRAME_SPANNING
1940 // In case the keyframe point count isn't synchronized with the rest of the keyframes,
1941 // avoid a crash.
1942                                 if(points.size() >= shortest_point2) {
1943                                         MaskPoint *new_point = new MaskPoint;
1944                                         points.append(0);
1945                                         for(int i = points.size() - 1;
1946                                                 i > shortest_point2;
1947                                                 i--)
1948                                                 points.values[i] = points.values[i - 1];
1949                                         points.values[shortest_point2] = new_point;
1950
1951                                         *new_point = *point;
1952                                 }
1953
1954 #else
1955
1956                                 for(MaskAuto *current = (MaskAuto*)mask_autos->default_auto; current; ) {
1957                                         SubMask *submask = current->get_submask(mwindow->edl->session->cwindow_mask);
1958 // In case the keyframe point count isn't synchronized with the rest of the keyframes,
1959 // avoid a crash.
1960                                         if(submask->points.size() >= shortest_point2) {
1961                                                 MaskPoint *new_point = new MaskPoint;
1962                                                 submask->points.append(0);
1963                                                 for(int i = submask->points.size() - 1;
1964                                                         i > shortest_point2;
1965                                                         i--)
1966                                                         submask->points.values[i] = submask->points.values[i - 1];
1967                                                 submask->points.values[shortest_point2] = new_point;
1968
1969                                                 *new_point = *point;
1970                                         }
1971
1972                                         if(current == (MaskAuto*)mask_autos->default_auto)
1973                                                 current = (MaskAuto*)mask_autos->first;
1974                                         else
1975                                                 current = (MaskAuto*)NEXT;
1976                                 }
1977
1978 #endif
1979                                 gui->affected_point = shortest_point2;
1980                                 result = 1;
1981                         }
1982
1983
1984 // printf("CWindowGUI::do_mask 20\n");
1985 // mwindow->edl->dump();
1986 // printf("CWindowGUI::do_mask 30\n");
1987
1988                         if(!result) {
1989 //printf("CWindowCanvas::do_mask 1\n");
1990 // Create the first point.
1991 #ifdef USE_KEYFRAME_SPANNING
1992                                 MaskPoint *new_point = new MaskPoint;
1993                                 points.append(new_point);
1994                                 *new_point = *point;
1995                                 gui->affected_point = points.size() - 1;
1996 #else
1997                                 for(MaskAuto *current = (MaskAuto*)mask_autos->default_auto; current; ) {
1998                                         SubMask *submask = current->get_submask(mwindow->edl->session->cwindow_mask);
1999                                         MaskPoint *new_point = new MaskPoint;
2000                                         submask->points.append(new_point);
2001                                         *new_point = *point;
2002                                         if(current == (MaskAuto*)mask_autos->default_auto)
2003                                                 current = (MaskAuto*)mask_autos->first;
2004                                         else
2005                                                 current = (MaskAuto*)NEXT;
2006                                 }
2007                                 gui->affected_point = points.size() - 1;
2008 #endif
2009
2010 //printf("CWindowCanvas::do_mask 3 %d\n", mask->points.size());
2011                         }
2012
2013                         gui->current_operation = mwindow->edl->session->cwindow_operation;
2014 // Delete the template
2015                         delete point;
2016                 }
2017
2018                 result = 1;
2019                 rerender = 1;
2020                 redraw = 1;
2021         }
2022
2023         if(button_press && result) {
2024 #ifdef USE_KEYFRAME_SPANNING
2025                 MaskPoint *point = points.values[gui->affected_point];
2026                 gui->center_x = point->x;
2027                 gui->center_y = point->y;
2028                 gui->control_in_x = point->control_x1;
2029                 gui->control_in_y = point->control_y1;
2030                 gui->control_out_x = point->control_x2;
2031                 gui->control_out_y = point->control_y2;
2032                 gui->tool_panel->raise_window();
2033 #else
2034                 SubMask *mask = gui->mask_keyframe->get_submask(mwindow->edl->session->cwindow_mask);
2035                 MaskPoint *point = mask->points.values[gui->affected_point];
2036                 gui->center_x = point->x;
2037                 gui->center_y = point->y;
2038                 gui->control_in_x = point->control_x1;
2039                 gui->control_in_y = point->control_y1;
2040                 gui->control_out_x = point->control_x2;
2041                 gui->control_out_y = point->control_y2;
2042                 gui->tool_panel->raise_window();
2043 #endif
2044         }
2045
2046 //printf("CWindowCanvas::do_mask 8\n");
2047         if(cursor_motion) {
2048
2049 #ifdef USE_KEYFRAME_SPANNING
2050 // Must update the reference keyframes for every cursor motion
2051                 gui->mask_keyframe =
2052                         (MaskAuto*)gui->cwindow->calculate_affected_auto(
2053                                 mask_autos,
2054                                 0);
2055                 gui->orig_mask_keyframe->copy_data(gui->mask_keyframe);
2056 #endif
2057
2058 //printf("CWindowCanvas::do_mask %d %d\n", __LINE__, gui->affected_point);
2059
2060                 SubMask *mask = gui->mask_keyframe->get_submask(mwindow->edl->session->cwindow_mask);
2061                 if( gui->affected_point >= 0 && gui->affected_point < mask->points.size() &&
2062                         gui->current_operation != CWINDOW_NONE) {
2063 //                      mwindow->undo->update_undo_before(_("mask point"), this);
2064 #ifdef USE_KEYFRAME_SPANNING
2065                         MaskPoint *point = points.get(gui->affected_point);
2066 #else
2067                         MaskPoint *point = mask->points.get(gui->affected_point);
2068 #endif
2069 //                      canvas_to_output(mwindow->edl, 0, cursor_x, cursor_y);
2070 //printf("CWindowCanvas::do_mask 9 %d %d\n", mask->points.size(), gui->affected_point);
2071
2072                         float last_x = point->x;
2073                         float last_y = point->y;
2074                         float last_control_x1 = point->control_x1;
2075                         float last_control_y1 = point->control_y1;
2076                         float last_control_x2 = point->control_x2;
2077                         float last_control_y2 = point->control_y2;
2078
2079                         switch(gui->current_operation) {
2080                                 case CWINDOW_MASK:
2081 //printf("CWindowCanvas::do_mask %d %d\n", __LINE__, gui->affected_point);
2082                                         point->x = mask_cursor_x - gui->x_origin + gui->center_x;
2083                                         point->y = mask_cursor_y - gui->y_origin + gui->center_y;
2084                                         break;
2085
2086                                 case CWINDOW_MASK_CONTROL_IN:
2087                                         point->control_x1 = mask_cursor_x - gui->x_origin + gui->control_in_x;
2088                                         point->control_y1 = mask_cursor_y - gui->y_origin + gui->control_in_y;
2089                                         break;
2090
2091                                 case CWINDOW_MASK_CONTROL_OUT:
2092                                         point->control_x2 = mask_cursor_x - gui->x_origin + gui->control_out_x;
2093                                         point->control_y2 = mask_cursor_y - gui->y_origin + gui->control_out_y;
2094                                         break;
2095
2096                                 case CWINDOW_MASK_TRANSLATE:
2097 #ifdef USE_KEYFRAME_SPANNING
2098                                         for(int i = 0; i < points.size(); i++) {
2099                                                 points.values[i]->x += mask_cursor_x - gui->x_origin;
2100                                                 points.values[i]->y += mask_cursor_y - gui->y_origin;
2101                                         }
2102 #else
2103                                         for(int i = 0; i < mask->points.size(); i++) {
2104                                                 mask->points.values[i]->x += mask_cursor_x - gui->x_origin;
2105                                                 mask->points.values[i]->y += mask_cursor_y - gui->y_origin;
2106                                         }
2107 #endif
2108                                         gui->x_origin = mask_cursor_x;
2109                                         gui->y_origin = mask_cursor_y;
2110                                         break;
2111                         }
2112
2113                         if( !EQUIV(last_x, point->x) ||
2114                                 !EQUIV(last_y, point->y) ||
2115                                 !EQUIV(last_control_x1, point->control_x1) ||
2116                                 !EQUIV(last_control_y1, point->control_y1) ||
2117                                 !EQUIV(last_control_x2, point->control_x2) ||
2118                                 !EQUIV(last_control_y2, point->control_y2)) {
2119                                 rerender = 1;
2120                                 redraw = 1;
2121                         }
2122                 }
2123                 else
2124                 if(gui->current_operation == CWINDOW_NONE) {
2125 //                      printf("CWindowCanvas::do_mask %d\n", __LINE__);
2126                         int over_point = 0;
2127                         for(int i = 0; i < points.size() && !over_point; i++) {
2128                                 MaskPoint *point = points.get(i);
2129                                 float x0 = point->x;
2130                                 float y0 = point->y;
2131                                 float x1 = point->x + point->control_x1;
2132                                 float y1 = point->y + point->control_y1;
2133                                 float x2 = point->x + point->control_x2;
2134                                 float y2 = point->y + point->control_y2;
2135                                 float canvas_x0 = (x0 - half_track_w) * projector_z + projector_x;
2136                                 float canvas_y0 = (y0 - half_track_h) * projector_z + projector_y;
2137
2138                                 output_to_canvas(mwindow->edl, 0, canvas_x0, canvas_y0);
2139                                 if(test_bbox(cursor_x, cursor_y, canvas_x0, canvas_y0)) {
2140                                         over_point = 1;
2141                                 }
2142
2143                                 if(!over_point && gui->ctrl_down()) {
2144                                         float canvas_x1 = (x1 - half_track_w) * projector_z + projector_x;
2145                                         float canvas_y1 = (y1 - half_track_h) * projector_z + projector_y;
2146                                         output_to_canvas(mwindow->edl, 0, canvas_x1, canvas_y1);
2147                                         if(test_bbox(cursor_x, cursor_y, canvas_x1, canvas_y1)) {
2148                                                 over_point = 1;
2149                                         }
2150                                         else {
2151                                                 float canvas_x2 = (x2 - half_track_w) * projector_z + projector_x;
2152                                                 float canvas_y2 = (y2 - half_track_h) * projector_z + projector_y;
2153                                                 output_to_canvas(mwindow->edl, 0, canvas_x2, canvas_y2);
2154                                                 if(test_bbox(cursor_x, cursor_y, canvas_x2, canvas_y2)) {
2155                                                         over_point = 1;
2156                                                 }
2157                                         }
2158                                 }
2159                         }
2160
2161                         set_cursor( over_point ? ARROW_CURSOR : CROSS_CURSOR );
2162                 }
2163
2164                 result = 1;
2165         }
2166 //printf("CWindowCanvas::do_mask 2 %d %d %d\n", result, rerender, redraw);
2167
2168
2169 #ifdef USE_KEYFRAME_SPANNING
2170 // Must commit change after operation.
2171         if(rerender && track) {
2172 // Swap EDL keyframe with original.
2173 // Apply new values to keyframe span
2174                 MaskAuto temp_keyframe(mwindow->edl, mask_autos);
2175                 temp_keyframe.copy_data(gui->mask_keyframe);
2176 // Apply interpolated points back to keyframe
2177                 temp_keyframe.set_points(&points, mwindow->edl->session->cwindow_mask);
2178                 gui->mask_keyframe->copy_data(gui->orig_mask_keyframe);
2179                 mask_autos->update_parameter(&temp_keyframe);
2180         }
2181 #endif
2182
2183         points.remove_all_objects();
2184 //printf("CWindowCanvas::do_mask 20\n");
2185         return result;
2186 }
2187
2188 int CWindowCanvas::do_eyedrop(int &rerender, int button_press, int draw)
2189 {
2190         int result = 0;
2191         int radius = mwindow->edl->session->eyedrop_radius;
2192         int row1 = 0;
2193         int row2 = 0;
2194         int column1 = 0;
2195         int column2 = 0;
2196
2197
2198
2199         if(refresh_frame && refresh_frame->get_w()>0 && refresh_frame->get_h()>0)
2200         {
2201
2202                 if(draw)
2203                 {
2204                         row1 = gui->eyedrop_y - radius;
2205                         row2 = gui->eyedrop_y + radius;
2206                         column1 = gui->eyedrop_x - radius;
2207                         column2 = gui->eyedrop_x + radius;
2208
2209                         CLAMP(row1, 0, refresh_frame->get_h() - 1);
2210                         CLAMP(row2, 0, refresh_frame->get_h() - 1);
2211                         CLAMP(column1, 0, refresh_frame->get_w() - 1);
2212                         CLAMP(column2, 0, refresh_frame->get_w() - 1);
2213
2214                         if(row2 <= row1) row2 = row1 + 1;
2215                         if(column2 <= column1) column2 = column1 + 1;
2216
2217                         float x1 = column1;
2218                         float y1 = row1;
2219                         float x2 = column2;
2220                         float y2 = row2;
2221
2222                         output_to_canvas(mwindow->edl, 0, x1, y1);
2223                         output_to_canvas(mwindow->edl, 0, x2, y2);
2224 //printf("CWindowCanvas::do_eyedrop %d %f %f %f %f\n", __LINE__, x1, x2, y1, y2);
2225
2226                         if(x2 - x1 >= 1 && y2 - y1 >= 1)
2227                         {
2228                                 get_canvas()->set_inverse();
2229                                 get_canvas()->set_color(WHITE);
2230
2231                                 get_canvas()->draw_rectangle((int)x1,
2232                                         (int)y1,
2233                                         (int)(x2 - x1),
2234                                         (int)(y2 - y1));
2235
2236                                 get_canvas()->set_opaque();
2237                                 get_canvas()->flash();
2238                         }
2239                         return 0;
2240                 }
2241         }
2242
2243         if(button_press)
2244         {
2245                 gui->current_operation = CWINDOW_EYEDROP;
2246                 gui->tool_panel->raise_window();
2247         }
2248
2249         if(gui->current_operation == CWINDOW_EYEDROP)
2250         {
2251                 mwindow->undo->update_undo_before(_("Eyedrop"), this);
2252
2253 // Get color out of frame.
2254 // Doesn't work during playback because that bypasses the refresh frame.
2255                 if(refresh_frame && refresh_frame->get_w()>0 && refresh_frame->get_h()>0)
2256                 {
2257                         float cursor_x = get_cursor_x();
2258                         float cursor_y = get_cursor_y();
2259                         canvas_to_output(mwindow->edl, 0, cursor_x, cursor_y);
2260                         CLAMP(cursor_x, 0, refresh_frame->get_w() - 1);
2261                         CLAMP(cursor_y, 0, refresh_frame->get_h() - 1);
2262
2263                         row1 = cursor_y - radius;
2264                         row2 = cursor_y + radius;
2265                         column1 = cursor_x - radius;
2266                         column2 = cursor_x + radius;
2267                         CLAMP(row1, 0, refresh_frame->get_h() - 1);
2268                         CLAMP(row2, 0, refresh_frame->get_h() - 1);
2269                         CLAMP(column1, 0, refresh_frame->get_w() - 1);
2270                         CLAMP(column2, 0, refresh_frame->get_w() - 1);
2271                         if(row2 <= row1) row2 = row1 + 1;
2272                         if(column2 <= column1) column2 = column1 + 1;
2273
2274
2275 // hide it
2276                         if(gui->eyedrop_visible)
2277                         {
2278                                 int temp;
2279                                 do_eyedrop(temp, 0, 1);
2280                                 gui->eyedrop_visible = 0;
2281                         }
2282
2283                         gui->eyedrop_x = cursor_x;
2284                         gui->eyedrop_y = cursor_y;
2285
2286 // show it
2287                         {
2288                                 int temp;
2289                                 do_eyedrop(temp, 0, 1);
2290                                 gui->eyedrop_visible = 1;
2291                         }
2292
2293 // Decompression coefficients straight out of jpeglib
2294 #define V_TO_R    1.40200
2295 #define V_TO_G    -0.71414
2296
2297 #define U_TO_G    -0.34414
2298 #define U_TO_B    1.77200
2299
2300 #define GET_COLOR(type, components, max, do_yuv) \
2301 { \
2302         type *row = (type*)(refresh_frame->get_rows()[i]) + \
2303                 j * components; \
2304         float red = (float)*row++ / max; \
2305         float green = (float)*row++ / max; \
2306         float blue = (float)*row++ / max; \
2307         if(do_yuv) \
2308         { \
2309                 float r = red + V_TO_R * (blue - 0.5); \
2310                 float g = red + U_TO_G * (green - 0.5) + V_TO_G * (blue - 0.5); \
2311                 float b = red + U_TO_B * (green - 0.5); \
2312                 mwindow->edl->local_session->red += r; \
2313                 mwindow->edl->local_session->green += g; \
2314                 mwindow->edl->local_session->blue += b; \
2315                 if(r > mwindow->edl->local_session->red_max) mwindow->edl->local_session->red_max = r; \
2316                 if(g > mwindow->edl->local_session->green_max) mwindow->edl->local_session->green_max = g; \
2317                 if(b > mwindow->edl->local_session->blue_max) mwindow->edl->local_session->blue_max = b; \
2318         } \
2319         else \
2320         { \
2321                 mwindow->edl->local_session->red += red; \
2322                 mwindow->edl->local_session->green += green; \
2323                 mwindow->edl->local_session->blue += blue; \
2324                 if(red > mwindow->edl->local_session->red_max) mwindow->edl->local_session->red_max = red; \
2325                 if(green > mwindow->edl->local_session->green_max) mwindow->edl->local_session->green_max = green; \
2326                 if(blue > mwindow->edl->local_session->blue_max) mwindow->edl->local_session->blue_max = blue; \
2327         } \
2328 }
2329
2330
2331
2332                         mwindow->edl->local_session->red = 0;
2333                         mwindow->edl->local_session->green = 0;
2334                         mwindow->edl->local_session->blue = 0;
2335                         mwindow->edl->local_session->red_max = 0;
2336                         mwindow->edl->local_session->green_max = 0;
2337                         mwindow->edl->local_session->blue_max = 0;
2338                         for(int i = row1; i < row2; i++)
2339                         {
2340                                 for(int j = column1; j < column2; j++)
2341                                 {
2342                                         switch(refresh_frame->get_color_model())
2343                                         {
2344                                                 case BC_YUV888:
2345                                                         GET_COLOR(unsigned char, 3, 0xff, 1);
2346                                                         break;
2347                                                 case BC_YUVA8888:
2348                                                         GET_COLOR(unsigned char, 4, 0xff, 1);
2349                                                         break;
2350                                                 case BC_YUV161616:
2351                                                         GET_COLOR(uint16_t, 3, 0xffff, 1);
2352                                                         break;
2353                                                 case BC_YUVA16161616:
2354                                                         GET_COLOR(uint16_t, 4, 0xffff, 1);
2355                                                         break;
2356                                                 case BC_RGB888:
2357                                                         GET_COLOR(unsigned char, 3, 0xff, 0);
2358                                                         break;
2359                                                 case BC_RGBA8888:
2360                                                         GET_COLOR(unsigned char, 4, 0xff, 0);
2361                                                         break;
2362                                                 case BC_RGB_FLOAT:
2363                                                         GET_COLOR(float, 3, 1.0, 0);
2364                                                         break;
2365                                                 case BC_RGBA_FLOAT:
2366                                                         GET_COLOR(float, 4, 1.0, 0);
2367                                                         break;
2368                                         }
2369                                 }
2370                         }
2371
2372                         mwindow->edl->local_session->red /= (row2 - row1) * (column2 - column1);
2373                         mwindow->edl->local_session->green /= (row2 - row1) * (column2 - column1);
2374                         mwindow->edl->local_session->blue /= (row2 - row1) * (column2 - column1);
2375
2376                 }
2377                 else
2378                 {
2379                         mwindow->edl->local_session->red = 0;
2380                         mwindow->edl->local_session->green = 0;
2381                         mwindow->edl->local_session->blue = 0;
2382                         gui->eyedrop_visible = 0;
2383                 }
2384
2385
2386                 gui->update_tool();
2387
2388
2389
2390                 result = 1;
2391 // Can't rerender since the color value is from the output of any effect it
2392 // goes into.
2393 //              rerender = 1;
2394                 mwindow->undo->update_undo_after(_("Eyedrop"), LOAD_SESSION);
2395         }
2396
2397         return result;
2398 }
2399
2400 int CWindowCanvas::need_overlays()
2401 {
2402         if( mwindow->edl->session->safe_regions ) return 1;
2403         if( mwindow->edl->session->cwindow_scrollbars ) return 1;
2404         if( gui->highlighted ) return 1;
2405         switch( mwindow->edl->session->cwindow_operation ) {
2406                 case CWINDOW_EYEDROP:
2407                         if( ! gui->eyedrop_visible ) break;
2408                 case CWINDOW_CAMERA:
2409                 case CWINDOW_PROJECTOR:
2410                 case CWINDOW_CROP:
2411                 case CWINDOW_MASK:
2412                 case CWINDOW_RULER:
2413                         return 1;
2414         }
2415         return 0;
2416 }
2417
2418 void CWindowCanvas::draw_overlays()
2419 {
2420         if(mwindow->edl->session->safe_regions)
2421         {
2422                 draw_safe_regions();
2423         }
2424
2425         if(mwindow->edl->session->cwindow_scrollbars)
2426         {
2427 // Always draw output rectangle
2428                 float x1, y1, x2, y2;
2429                 x1 = 0;
2430                 x2 = mwindow->edl->session->output_w;
2431                 y1 = 0;
2432                 y2 = mwindow->edl->session->output_h;
2433                 output_to_canvas(mwindow->edl, 0, x1, y1);
2434                 output_to_canvas(mwindow->edl, 0, x2, y2);
2435
2436                 get_canvas()->set_inverse();
2437                 get_canvas()->set_color(WHITE);
2438
2439                 get_canvas()->draw_rectangle((int)x1,
2440                                 (int)y1,
2441                                 (int)(x2 - x1),
2442                                 (int)(y2 - y1));
2443
2444                 get_canvas()->set_opaque();
2445         }
2446
2447         if(gui->highlighted)
2448         {
2449                 get_canvas()->set_color(WHITE);
2450                 get_canvas()->set_inverse();
2451                 get_canvas()->draw_rectangle(0, 0, get_canvas()->get_w(), get_canvas()->get_h());
2452                 get_canvas()->draw_rectangle(1, 1, get_canvas()->get_w() - 2, get_canvas()->get_h() - 2);
2453                 get_canvas()->set_opaque();
2454         }
2455
2456         int temp1 = 0, temp2 = 0;
2457 //printf("CWindowCanvas::draw_overlays 1 %d\n", mwindow->edl->session->cwindow_operation);
2458         switch(mwindow->edl->session->cwindow_operation)
2459         {
2460                 case CWINDOW_CAMERA:
2461                         draw_bezier(1);
2462                         break;
2463
2464                 case CWINDOW_PROJECTOR:
2465                         draw_bezier(0);
2466                         break;
2467
2468                 case CWINDOW_CROP:
2469                         draw_crop();
2470                         break;
2471
2472                 case CWINDOW_MASK:
2473                         do_mask(temp1, temp2, 0, 0, 1);
2474                         break;
2475
2476                 case CWINDOW_RULER:
2477                         do_ruler(1, 0, 0, 0);
2478                         break;
2479
2480                 case CWINDOW_EYEDROP:
2481                 if(gui->eyedrop_visible)
2482                 {
2483                         int rerender;
2484                         do_eyedrop(rerender, 0, 1);
2485                         gui->eyedrop_visible = 1;
2486                         break;
2487                 }
2488         }
2489 }
2490
2491 void CWindowCanvas::draw_safe_regions()
2492 {
2493         float action_x1, action_x2, action_y1, action_y2;
2494         float title_x1, title_x2, title_y1, title_y2;
2495
2496         action_x1 = mwindow->edl->session->output_w / 2 - mwindow->edl->session->output_w / 2 * 0.9;
2497         action_x2 = mwindow->edl->session->output_w / 2 + mwindow->edl->session->output_w / 2 * 0.9;
2498         action_y1 = mwindow->edl->session->output_h / 2 - mwindow->edl->session->output_h / 2 * 0.9;
2499         action_y2 = mwindow->edl->session->output_h / 2 + mwindow->edl->session->output_h / 2 * 0.9;
2500         title_x1 = mwindow->edl->session->output_w / 2 - mwindow->edl->session->output_w / 2 * 0.8;
2501         title_x2 = mwindow->edl->session->output_w / 2 + mwindow->edl->session->output_w / 2 * 0.8;
2502         title_y1 = mwindow->edl->session->output_h / 2 - mwindow->edl->session->output_h / 2 * 0.8;
2503         title_y2 = mwindow->edl->session->output_h / 2 + mwindow->edl->session->output_h / 2 * 0.8;
2504
2505         output_to_canvas(mwindow->edl, 0, action_x1, action_y1);
2506         output_to_canvas(mwindow->edl, 0, action_x2, action_y2);
2507         output_to_canvas(mwindow->edl, 0, title_x1, title_y1);
2508         output_to_canvas(mwindow->edl, 0, title_x2, title_y2);
2509
2510         get_canvas()->set_inverse();
2511         get_canvas()->set_color(WHITE);
2512
2513         get_canvas()->draw_rectangle((int)action_x1,
2514                         (int)action_y1,
2515                         (int)(action_x2 - action_x1),
2516                         (int)(action_y2 - action_y1));
2517         get_canvas()->draw_rectangle((int)title_x1,
2518                         (int)title_y1,
2519                         (int)(title_x2 - title_x1),
2520                         (int)(title_y2 - title_y1));
2521
2522         get_canvas()->set_opaque();
2523 }
2524
2525
2526 void CWindowCanvas::create_keyframe(int do_camera)
2527 {
2528         Track *affected_track = gui->cwindow->calculate_affected_track();
2529         if( affected_track ) {
2530                 double pos = mwindow->edl->local_session->get_selectionstart(1);
2531                 int64_t position = affected_track->to_units(pos, 0);
2532                 int ix = do_camera ? AUTOMATION_CAMERA_X : AUTOMATION_PROJECTOR_X;
2533                 int iy = do_camera ? AUTOMATION_CAMERA_Y : AUTOMATION_PROJECTOR_Y;
2534                 int iz = do_camera ? AUTOMATION_CAMERA_Z : AUTOMATION_PROJECTOR_Z;
2535                 FloatAuto *prev, *next;
2536                 FloatAutos **autos = (FloatAutos**)affected_track->automation->autos;
2537                 FloatAutos *x_autos = autos[ix];  prev = 0;  next = 0;
2538                 float x_value = x_autos->get_value(position, PLAY_FORWARD, prev, next);
2539                 FloatAutos *y_autos = autos[iy];  prev = 0;  next = 0;
2540                 float y_value = y_autos->get_value(position, PLAY_FORWARD, prev, next);
2541                 FloatAutos *z_autos = autos[iz];  prev = 0;  next = 0;
2542                 float z_value = z_autos->get_value(position, PLAY_FORWARD, prev, next);
2543                 FloatAuto *x_keyframe = 0, *y_keyframe = 0, *z_keyframe = 0;
2544
2545                 gui->cwindow->calculate_affected_autos(affected_track,
2546                         &x_keyframe, &y_keyframe, &z_keyframe,
2547                         do_camera, -1, -1, -1, 0);
2548                 x_keyframe->set_value(x_value);
2549                 y_keyframe->set_value(y_value);
2550                 z_keyframe->set_value(z_value);
2551
2552                 gui->sync_parameters(CHANGE_PARAMS, 1, 1);
2553         }
2554 }
2555
2556 void CWindowCanvas::camera_keyframe() { create_keyframe(1); }
2557 void CWindowCanvas::projector_keyframe() { create_keyframe(0); }
2558
2559 void CWindowCanvas::reset_keyframe(int do_camera)
2560 {
2561         Track *affected_track = gui->cwindow->calculate_affected_track();
2562         if( affected_track ) {
2563                 FloatAuto *x_keyframe = 0, *y_keyframe = 0, *z_keyframe = 0;
2564                 gui->cwindow->calculate_affected_autos(affected_track,
2565                         &x_keyframe, &y_keyframe, &z_keyframe,
2566                         do_camera, 1, 1, 1);
2567
2568                 x_keyframe->set_value(0);
2569                 y_keyframe->set_value(0);
2570                 z_keyframe->set_value(1);
2571
2572                 gui->sync_parameters(CHANGE_PARAMS, 1, 1);
2573         }
2574 }
2575
2576 void CWindowCanvas::reset_camera() { reset_keyframe(1); }
2577 void CWindowCanvas::reset_projector() { reset_keyframe(0); }
2578
2579
2580 int CWindowCanvas::test_crop(int button_press, int &redraw)
2581 {
2582         int result = 0;
2583         int handle_selected = -1;
2584         float x1 = mwindow->edl->session->crop_x1;
2585         float y1 = mwindow->edl->session->crop_y1;
2586         float x2 = mwindow->edl->session->crop_x2;
2587         float y2 = mwindow->edl->session->crop_y2;
2588         float cursor_x = get_cursor_x();
2589         float cursor_y = get_cursor_y();
2590         float canvas_x1 = x1;
2591         float canvas_y1 = y1;
2592         float canvas_x2 = x2;
2593         float canvas_y2 = y2;
2594         float canvas_cursor_x = cursor_x;
2595         float canvas_cursor_y = cursor_y;
2596
2597         canvas_to_output(mwindow->edl, 0, cursor_x, cursor_y);
2598 // Use screen normalized coordinates for hot spot tests.
2599         output_to_canvas(mwindow->edl, 0, canvas_x1, canvas_y1);
2600         output_to_canvas(mwindow->edl, 0, canvas_x2, canvas_y2);
2601
2602
2603         if(gui->current_operation == CWINDOW_CROP)
2604         {
2605                 handle_selected = gui->crop_handle;
2606         }
2607         else
2608         if(canvas_cursor_x >= canvas_x1 && canvas_cursor_x < canvas_x1 + CROPHANDLE_W &&
2609                 canvas_cursor_y >= canvas_y1 && canvas_cursor_y < canvas_y1 + CROPHANDLE_H)
2610         {
2611                 handle_selected = 0;
2612                 gui->crop_origin_x = x1;
2613                 gui->crop_origin_y = y1;
2614         }
2615         else
2616         if(canvas_cursor_x >= canvas_x2 - CROPHANDLE_W && canvas_cursor_x < canvas_x2 &&
2617                 canvas_cursor_y >= canvas_y1 && canvas_cursor_y < canvas_y1 + CROPHANDLE_H)
2618         {
2619                 handle_selected = 1;
2620                 gui->crop_origin_x = x2;
2621                 gui->crop_origin_y = y1;
2622         }
2623         else
2624         if(canvas_cursor_x >= canvas_x1 && canvas_cursor_x < canvas_x1 + CROPHANDLE_W &&
2625                 canvas_cursor_y >= canvas_y2 - CROPHANDLE_H && canvas_cursor_y < canvas_y2)
2626         {
2627                 handle_selected = 2;
2628                 gui->crop_origin_x = x1;
2629                 gui->crop_origin_y = y2;
2630         }
2631         else
2632         if(canvas_cursor_x >= canvas_x2 - CROPHANDLE_W && canvas_cursor_x < canvas_x2 &&
2633                 canvas_cursor_y >= canvas_y2 - CROPHANDLE_H && canvas_cursor_y < canvas_y2)
2634         {
2635                 handle_selected = 3;
2636                 gui->crop_origin_x = x2;
2637                 gui->crop_origin_y = y2;
2638         }
2639         else
2640 // Start new box
2641         {
2642                 gui->crop_origin_x = cursor_x;
2643                 gui->crop_origin_y = cursor_y;
2644         }
2645
2646 // printf("test crop %d %d\n",
2647 //      gui->current_operation,
2648 //      handle_selected);
2649
2650 // Start dragging.
2651         if(button_press)
2652         {
2653                 if(gui->alt_down())
2654                 {
2655                         gui->crop_translate = 1;
2656                         gui->crop_origin_x1 = x1;
2657                         gui->crop_origin_y1 = y1;
2658                         gui->crop_origin_x2 = x2;
2659                         gui->crop_origin_y2 = y2;
2660                 }
2661                 else
2662                         gui->crop_translate = 0;
2663
2664                 gui->current_operation = CWINDOW_CROP;
2665                 gui->crop_handle = handle_selected;
2666                 gui->x_origin = cursor_x;
2667                 gui->y_origin = cursor_y;
2668                 gui->tool_panel->raise_window();
2669                 result = 1;
2670
2671                 if(handle_selected < 0 && !gui->crop_translate)
2672                 {
2673                         x2 = x1 = cursor_x;
2674                         y2 = y1 = cursor_y;
2675                         mwindow->edl->session->crop_x1 = (int)x1;
2676                         mwindow->edl->session->crop_y1 = (int)y1;
2677                         mwindow->edl->session->crop_x2 = (int)x2;
2678                         mwindow->edl->session->crop_y2 = (int)y2;
2679                         redraw = 1;
2680                 }
2681         }
2682         else
2683 // Translate all 4 points
2684         if(gui->current_operation == CWINDOW_CROP && gui->crop_translate)
2685         {
2686                 x1 = cursor_x - gui->x_origin + gui->crop_origin_x1;
2687                 y1 = cursor_y - gui->y_origin + gui->crop_origin_y1;
2688                 x2 = cursor_x - gui->x_origin + gui->crop_origin_x2;
2689                 y2 = cursor_y - gui->y_origin + gui->crop_origin_y2;
2690
2691                 mwindow->edl->session->crop_x1 = (int)x1;
2692                 mwindow->edl->session->crop_y1 = (int)y1;
2693                 mwindow->edl->session->crop_x2 = (int)x2;
2694                 mwindow->edl->session->crop_y2 = (int)y2;
2695                 result = 1;
2696                 redraw = 1;
2697         }
2698         else
2699 // Update dragging
2700         if(gui->current_operation == CWINDOW_CROP)
2701         {
2702                 switch(gui->crop_handle)
2703                 {
2704                         case -1:
2705                                 x1 = gui->crop_origin_x;
2706                                 y1 = gui->crop_origin_y;
2707                                 x2 = gui->crop_origin_x;
2708                                 y2 = gui->crop_origin_y;
2709                                 if(cursor_x < gui->x_origin)
2710                                 {
2711                                         if(cursor_y < gui->y_origin)
2712                                         {
2713                                                 x1 = cursor_x;
2714                                                 y1 = cursor_y;
2715                                         }
2716                                         else
2717                                         if(cursor_y >= gui->y_origin)
2718                                         {
2719                                                 x1 = cursor_x;
2720                                                 y2 = cursor_y;
2721                                         }
2722                                 }
2723                                 else
2724                                 if(cursor_x  >= gui->x_origin)
2725                                 {
2726                                         if(cursor_y < gui->y_origin)
2727                                         {
2728                                                 y1 = cursor_y;
2729                                                 x2 = cursor_x;
2730                                         }
2731                                         else
2732                                         if(cursor_y >= gui->y_origin)
2733                                         {
2734                                                 x2 = cursor_x;
2735                                                 y2 = cursor_y;
2736                                         }
2737                                 }
2738
2739 // printf("test crop %d %d %d %d\n",
2740 //      mwindow->edl->session->crop_x1,
2741 //      mwindow->edl->session->crop_y1,
2742 //      mwindow->edl->session->crop_x2,
2743 //      mwindow->edl->session->crop_y2);
2744                                 break;
2745                         case 0:
2746                                 x1 = cursor_x - gui->x_origin + gui->crop_origin_x;
2747                                 y1 = cursor_y - gui->y_origin + gui->crop_origin_y;
2748                                 break;
2749                         case 1:
2750                                 x2 = cursor_x - gui->x_origin + gui->crop_origin_x;
2751                                 y1 = cursor_y - gui->y_origin + gui->crop_origin_y;
2752                                 break;
2753                         case 2:
2754                                 x1 = cursor_x - gui->x_origin + gui->crop_origin_x;
2755                                 y2 = cursor_y - gui->y_origin + gui->crop_origin_y;
2756                                 break;
2757                         case 3:
2758                                 x2 = cursor_x - gui->x_origin + gui->crop_origin_x;
2759                                 y2 = cursor_y - gui->y_origin + gui->crop_origin_y;
2760                                 break;
2761                 }
2762
2763                 if(!EQUIV(mwindow->edl->session->crop_x1, x1) ||
2764                         !EQUIV(mwindow->edl->session->crop_x2, x2) ||
2765                         !EQUIV(mwindow->edl->session->crop_y1, y1) ||
2766                         !EQUIV(mwindow->edl->session->crop_y2, y2))
2767                 {
2768                         if (x1 > x2)
2769                         {
2770                                 float tmp = x1;
2771                                 x1 = x2;
2772                                 x2 = tmp;
2773                                 switch (gui->crop_handle)
2774                                 {
2775                                         case 0: gui->crop_handle = 1; break;
2776                                         case 1: gui->crop_handle = 0; break;
2777                                         case 2: gui->crop_handle = 3; break;
2778                                         case 3: gui->crop_handle = 2; break;
2779                                         default: break;
2780                                 }
2781                         }
2782
2783                         if (y1 > y2)
2784                         {
2785                                 float tmp = y1;
2786                                 y1 = y2;
2787                                 y2 = tmp;
2788                                 switch (gui->crop_handle)
2789                                 {
2790                                         case 0: gui->crop_handle = 2; break;
2791                                         case 1: gui->crop_handle = 3; break;
2792                                         case 2: gui->crop_handle = 0; break;
2793                                         case 3: gui->crop_handle = 1; break;
2794                                         default: break;
2795                                 }
2796                         }
2797
2798                         mwindow->edl->session->crop_x1 = (int)x1;
2799                         mwindow->edl->session->crop_y1 = (int)y1;
2800                         mwindow->edl->session->crop_x2 = (int)x2;
2801                         mwindow->edl->session->crop_y2 = (int)y2;
2802                         result = 1;
2803                         redraw = 1;
2804                 }
2805         }
2806         else
2807 // Update cursor font
2808         if(handle_selected >= 0)
2809         {
2810                 switch(handle_selected)
2811                 {
2812                         case 0:
2813                                 set_cursor(UPLEFT_RESIZE);
2814                                 break;
2815                         case 1:
2816                                 set_cursor(UPRIGHT_RESIZE);
2817                                 break;
2818                         case 2:
2819                                 set_cursor(DOWNLEFT_RESIZE);
2820                                 break;
2821                         case 3:
2822                                 set_cursor(DOWNRIGHT_RESIZE);
2823                                 break;
2824                 }
2825                 result = 1;
2826         }
2827         else
2828         {
2829                 set_cursor(ARROW_CURSOR);
2830         }
2831 #define CLAMP(x, y, z) ((x) = ((x) < (y) ? (y) : ((x) > (z) ? (z) : (x))))
2832
2833         if(redraw)
2834         {
2835                 CLAMP(mwindow->edl->session->crop_x1, 0, mwindow->edl->session->output_w);
2836                 CLAMP(mwindow->edl->session->crop_x2, 0, mwindow->edl->session->output_w);
2837                 CLAMP(mwindow->edl->session->crop_y1, 0, mwindow->edl->session->output_h);
2838                 CLAMP(mwindow->edl->session->crop_y2, 0, mwindow->edl->session->output_h);
2839 // printf("CWindowCanvas::test_crop %d %d %d %d\n",
2840 //      mwindow->edl->session->crop_x2,
2841 //      mwindow->edl->session->crop_y2,
2842 //      mwindow->edl->calculate_output_w(0),
2843 //      mwindow->edl->calculate_output_h(0));
2844         }
2845         return result;
2846 }
2847
2848
2849 void CWindowCanvas::draw_crop()
2850 {
2851         get_canvas()->set_inverse();
2852         get_canvas()->set_color(WHITE);
2853
2854         float x1 = mwindow->edl->session->crop_x1;
2855         float y1 = mwindow->edl->session->crop_y1;
2856         float x2 = mwindow->edl->session->crop_x2;
2857         float y2 = mwindow->edl->session->crop_y2;
2858
2859         output_to_canvas(mwindow->edl, 0, x1, y1);
2860         output_to_canvas(mwindow->edl, 0, x2, y2);
2861
2862         if(x2 - x1 && y2 - y1)
2863                 get_canvas()->draw_rectangle((int)x1,
2864                         (int)y1,
2865                         (int)(x2 - x1),
2866                         (int)(y2 - y1));
2867
2868         draw_crophandle((int)x1, (int)y1);
2869         draw_crophandle((int)x2 - CROPHANDLE_W, (int)y1);
2870         draw_crophandle((int)x1, (int)y2 - CROPHANDLE_H);
2871         draw_crophandle((int)x2 - CROPHANDLE_W, (int)y2 - CROPHANDLE_H);
2872         get_canvas()->set_opaque();
2873 }
2874
2875
2876
2877
2878
2879
2880
2881
2882 void CWindowCanvas::draw_bezier(int do_camera)
2883 {
2884         Track *track = gui->cwindow->calculate_affected_track();
2885
2886         if(!track) return;
2887
2888         float center_x;
2889         float center_y;
2890         float center_z;
2891         int64_t position = track->to_units(
2892                 mwindow->edl->local_session->get_selectionstart(1),
2893                 0);
2894         if( do_camera ) {
2895                 track->automation->get_camera(&center_x,
2896                         &center_y, &center_z, position, PLAY_FORWARD);
2897 // follow image, not camera
2898                 center_x = -center_x * center_z;  center_y = -center_y * center_z;
2899         }
2900         else
2901                 track->automation->get_projector(&center_x,
2902                         &center_y, &center_z, position, PLAY_FORWARD);
2903
2904 //      center_x += track->track_w / 2;
2905 //      center_y += track->track_h / 2;
2906         center_x += mwindow->edl->session->output_w / 2;
2907         center_y += mwindow->edl->session->output_h / 2;
2908         float track_x1 = center_x - track->track_w / 2 * center_z;
2909         float track_y1 = center_y - track->track_h / 2 * center_z;
2910         float track_x2 = track_x1 + track->track_w * center_z;
2911         float track_y2 = track_y1 + track->track_h * center_z;
2912
2913         output_to_canvas(mwindow->edl, 0, track_x1, track_y1);
2914         output_to_canvas(mwindow->edl, 0, track_x2, track_y2);
2915
2916 #define DRAW_PROJECTION(offset) \
2917         get_canvas()->draw_rectangle((int)track_x1 + offset, \
2918                 (int)track_y1 + offset, \
2919                 (int)(track_x2 - track_x1), \
2920                 (int)(track_y2 - track_y1)); \
2921         get_canvas()->draw_line((int)track_x1 + offset,  \
2922                 (int)track_y1 + offset, \
2923                 (int)track_x2 + offset, \
2924                 (int)track_y2 + offset); \
2925         get_canvas()->draw_line((int)track_x2 + offset,  \
2926                 (int)track_y1 + offset, \
2927                 (int)track_x1 + offset, \
2928                 (int)track_y2 + offset); \
2929
2930
2931 // Drop shadow
2932         get_canvas()->set_color(BLACK);
2933         DRAW_PROJECTION(1);
2934
2935 //      canvas->set_inverse();
2936         if(do_camera)
2937                 get_canvas()->set_color(GREEN);
2938         else
2939                 get_canvas()->set_color(RED);
2940
2941         DRAW_PROJECTION(0);
2942 //      canvas->set_opaque();
2943
2944 }
2945
2946 int CWindowCanvas::test_bezier(int button_press,
2947         int &redraw,
2948         int &redraw_canvas,
2949         int &rerender,
2950         int do_camera)
2951 {
2952         int result = 0;
2953
2954 // Processing drag operation.
2955 // Create keyframe during first cursor motion.
2956         if( !button_press ) {
2957
2958                 float cursor_x = get_cursor_x();
2959                 float cursor_y = get_cursor_y();
2960                 canvas_to_output(mwindow->edl, 0, cursor_x, cursor_y);
2961
2962                 if( gui->current_operation == CWINDOW_CAMERA ||
2963                     gui->current_operation == CWINDOW_PROJECTOR ) {
2964                         if( !gui->ctrl_down() && gui->shift_down() && !gui->translating_zoom ) {
2965                                 gui->translating_zoom = 1;
2966                                 gui->reset_affected();
2967                         }
2968                         else if( !gui->ctrl_down() && !gui->shift_down() && gui->translating_zoom ) {
2969                                 gui->translating_zoom = 0;
2970                                 gui->reset_affected();
2971                         }
2972
2973 // Get target keyframe
2974                         if( !gui->affected_x && !gui->affected_y && !gui->affected_z ) {
2975                                 if(!gui->affected_track) return 0;
2976                                 FloatAutos *affected_x_autos, *affected_y_autos, *affected_z_autos;
2977                                 FloatAutos** autos = (FloatAutos**) gui->affected_track->automation->autos;
2978                                 if( mwindow->edl->session->cwindow_operation == CWINDOW_CAMERA ) {
2979                                         affected_x_autos = autos[AUTOMATION_CAMERA_X];
2980                                         affected_y_autos = autos[AUTOMATION_CAMERA_Y];
2981                                         affected_z_autos = autos[AUTOMATION_CAMERA_Z];
2982                                 }
2983                                 else {
2984                                         affected_x_autos = autos[AUTOMATION_PROJECTOR_X];
2985                                         affected_y_autos = autos[AUTOMATION_PROJECTOR_Y];
2986                                         affected_z_autos = autos[AUTOMATION_PROJECTOR_Z];
2987                                 }
2988                                 double position = mwindow->edl->local_session->get_selectionstart(1);
2989                                 int64_t track_position = gui->affected_track->to_units(position, 0);
2990                                 FloatAuto *prev_x = 0, *next_x = 0;
2991                                 float new_x = affected_x_autos->get_value(track_position, PLAY_FORWARD, prev_x, next_x);
2992                                 FloatAuto *prev_y = 0, *next_y = 0;
2993                                 float new_y = affected_y_autos->get_value(track_position, PLAY_FORWARD, prev_y, next_y);
2994                                 FloatAuto *prev_z = 0, *next_z = 0;
2995                                 float new_z = affected_z_autos->get_value(track_position, PLAY_FORWARD, prev_z, next_z);
2996                                 int zooming = gui->translating_zoom, created;
2997                                 gui->affected_x = (FloatAuto*)gui->cwindow->calculate_affected_auto(
2998                                                         affected_x_autos, !zooming, &created, 0);
2999                                 if( created ) {
3000                                         gui->affected_x->set_value(new_x);
3001                                         redraw_canvas = 1;
3002                                 }
3003                                 gui->affected_y = (FloatAuto*)gui->cwindow->calculate_affected_auto(
3004                                                         affected_y_autos, !zooming, &created, 0);
3005                                 if( created ) {
3006                                         gui->affected_y->set_value(new_y);
3007                                         redraw_canvas = 1;
3008                                 }
3009                                 gui->affected_z = (FloatAuto*)gui->cwindow->calculate_affected_auto(
3010                                                         affected_z_autos, zooming, &created, 0);
3011                                 if( created ) {
3012                                         gui->affected_z->set_value(new_z);
3013                                         redraw_canvas = 1;
3014                                 }
3015                                 calculate_origin();
3016
3017                                 if( gui->translating_zoom ) {
3018                                         gui->center_z = gui->affected_z->get_value();
3019                                 }
3020                                 else {
3021                                         gui->center_x = gui->affected_x->get_value();
3022                                         gui->center_y = gui->affected_y->get_value();
3023                                 }
3024
3025                                 rerender = 1;
3026                                 redraw = 1;
3027                         }
3028
3029                         float x_val = gui->affected_x->get_value();
3030                         float y_val = gui->affected_y->get_value();
3031                         float z_val = gui->affected_z->get_value();
3032
3033                         if( gui->translating_zoom ) {
3034                                 float z = gui->center_z + (cursor_y - gui->y_origin) / 128;
3035                                 if( z < 0 ) z = 0;
3036                                 if( !EQUIV(z_val, z) ) {
3037                                         rerender = 1;
3038                                         redraw = 1;
3039                                         redraw_canvas = 1;
3040                                 }
3041                                 gui->affected_z->set_value(z);
3042                         }
3043                         else {
3044                                 float dx = cursor_x - gui->x_origin;
3045                                 float dy = cursor_y - gui->y_origin;
3046 // follow image, not camera
3047                                 if( gui->current_operation == CWINDOW_CAMERA ) {
3048                                         dx = -dx / z_val;  dy = -dy / z_val;
3049                                 }
3050                                 float x = gui->center_x + dx;
3051                                 float y = gui->center_y + dy;
3052                                 gui->affected_x->set_value(x);
3053                                 gui->affected_y->set_value(y);
3054                                 if( !EQUIV(x_val, x) || !EQUIV(y_val, y) ) {
3055                                         rerender = 1;
3056                                         redraw = 1;
3057                                         redraw_canvas = 1;
3058                                 }
3059                         }
3060                 }
3061
3062                 result = 1;
3063         }
3064         else
3065 // Begin drag operation.  Don't create keyframe here.
3066         {
3067 // Get affected track off of the first recordable video track.
3068 // Calculating based on the alpha channel would require recording what layer
3069 // each output pixel belongs to as they're rendered and stacked.  Forget it.
3070                 gui->affected_track = gui->cwindow->calculate_affected_track();
3071                 gui->reset_affected();
3072
3073                 if(gui->affected_track)
3074                 {
3075                         if( do_camera )
3076                                 mwindow->undo->update_undo_before(_("camera"), this);
3077                         else
3078                                 mwindow->undo->update_undo_before(_("projector"), this);
3079
3080                         gui->current_operation =
3081                                 mwindow->edl->session->cwindow_operation;
3082                         gui->tool_panel->raise_window();
3083                         result = 1;
3084                 }
3085         }
3086
3087         return result;
3088 }
3089
3090
3091 int CWindowCanvas::test_zoom(int &redraw)
3092 {
3093         int result = 0;
3094         float x, y;
3095         float zoom = 0;
3096
3097         if( mwindow->edl->session->cwindow_scrollbars ) {
3098                 if( *gui->zoom_panel->get_text() != 'x' ) {
3099 // Find current zoom in table
3100                         int idx = total_zooms;  float old_zoom = get_zoom();
3101                         while( --idx >= 0 && !EQUIV(my_zoom_table[idx], old_zoom) );
3102                         if( idx >= 0 ) {
3103                                 idx += get_buttonpress() == 5 ||
3104                                          gui->ctrl_down() || gui->shift_down() ?  -1 : +1 ;
3105                                 CLAMP(idx, 0, total_zooms-1);
3106                                 zoom = my_zoom_table[idx];
3107                         }
3108                 }
3109                 x = get_cursor_x();  y = get_cursor_y();
3110                 if( !zoom ) {
3111                         mwindow->edl->session->cwindow_scrollbars = 0;
3112                         gui->zoom_panel->update(0);
3113                         zoom = gui->get_auto_zoom();
3114                 }
3115                 else {
3116                         gui->zoom_panel->ZoomPanel::update(zoom);
3117                         float output_x = x, output_y = y;
3118                         canvas_to_output(mwindow->edl, 0, output_x, output_y);
3119                         x = output_x - x / zoom;
3120                         y = output_y - y / zoom;
3121                 }
3122         }
3123         else {
3124                 mwindow->edl->session->cwindow_scrollbars = 1;
3125                 x = (mwindow->edl->session->output_w - w) / 2;
3126                 y = (mwindow->edl->session->output_h - h) / 2;
3127                 zoom = 1;
3128         }
3129         update_zoom((int)x, (int)y, zoom);
3130
3131         gui->composite_panel->cpanel_zoom->update(zoom);
3132
3133         reposition_window(mwindow->edl,
3134                         mwindow->theme->ccanvas_x, mwindow->theme->ccanvas_y,
3135                         mwindow->theme->ccanvas_w, mwindow->theme->ccanvas_h);
3136         redraw = 1;  result = 1;
3137
3138         return result;
3139 }
3140
3141
3142 void CWindowCanvas::calculate_origin()
3143 {
3144         gui->x_origin = get_cursor_x();
3145         gui->y_origin = get_cursor_y();
3146 //printf("CWindowCanvas::calculate_origin 1 %f %f\n", gui->x_origin, gui->y_origin);
3147         canvas_to_output(mwindow->edl, 0, gui->x_origin, gui->y_origin);
3148 //printf("CWindowCanvas::calculate_origin 2 %f %f\n", gui->x_origin, gui->y_origin);
3149 }
3150
3151
3152 int CWindowCanvas::cursor_leave_event()
3153 {
3154         set_cursor(ARROW_CURSOR);
3155         return 1;
3156 }
3157
3158 int CWindowCanvas::cursor_enter_event()
3159 {
3160         int redraw = 0;
3161         switch(mwindow->edl->session->cwindow_operation)
3162         {
3163                 case CWINDOW_CAMERA:
3164                 case CWINDOW_PROJECTOR:
3165                         set_cursor(MOVE_CURSOR);
3166                         break;
3167                 case CWINDOW_ZOOM:
3168                         set_cursor(MOVE_CURSOR);
3169                         break;
3170                 case CWINDOW_CROP:
3171                         test_crop(0, redraw);
3172                         break;
3173                 case CWINDOW_PROTECT:
3174                         set_cursor(ARROW_CURSOR);
3175                         break;
3176                 case CWINDOW_MASK:
3177                 case CWINDOW_RULER:
3178                         set_cursor(CROSS_CURSOR);
3179                         break;
3180                 case CWINDOW_EYEDROP:
3181                         set_cursor(CROSS_CURSOR);
3182                         break;
3183         }
3184         return 1;
3185 }
3186
3187 int CWindowCanvas::cursor_motion_event()
3188 {
3189         int redraw = 0, result = 0, rerender = 0, redraw_canvas = 0;
3190
3191
3192 //printf("CWindowCanvas::cursor_motion_event %d current_operation=%d\n", __LINE__, gui->current_operation);
3193         switch(gui->current_operation)
3194         {
3195                 case CWINDOW_SCROLL:
3196                 {
3197                         float zoom = get_zoom();
3198                         float cursor_x = get_cursor_x();
3199                         float cursor_y = get_cursor_y();
3200
3201                         float zoom_x, zoom_y, conformed_w, conformed_h;
3202                         get_zooms(mwindow->edl, 0, zoom_x, zoom_y, conformed_w, conformed_h);
3203                         cursor_x = (float)cursor_x / zoom_x + gui->x_offset;
3204                         cursor_y = (float)cursor_y / zoom_y + gui->y_offset;
3205
3206
3207
3208                         int x = (int)(gui->x_origin - cursor_x + gui->x_offset);
3209                         int y = (int)(gui->y_origin - cursor_y + gui->y_offset);
3210
3211                         update_zoom(x,
3212                                 y,
3213                                 zoom);
3214                         update_scrollbars(0);
3215                         redraw = 1;
3216                         result = 1;
3217                         break;
3218                 }
3219
3220                 case CWINDOW_RULER:
3221                         result = do_ruler(0, 1, 0, 0);
3222                         break;
3223
3224                 case CWINDOW_CAMERA:
3225                         result = test_bezier(0, redraw, redraw_canvas, rerender, 1);
3226                         break;
3227
3228                 case CWINDOW_PROJECTOR:
3229                         result = test_bezier(0, redraw, redraw_canvas, rerender, 0);
3230                         break;
3231
3232
3233                 case CWINDOW_CROP:
3234                         result = test_crop(0, redraw);
3235 // printf("CWindowCanvas::cursor_motion_event %d result=%d redraw=%d\n",
3236 // __LINE__,
3237 // result,
3238 // redraw);
3239                         break;
3240
3241                 case CWINDOW_MASK:
3242                 case CWINDOW_MASK_CONTROL_IN:
3243                 case CWINDOW_MASK_CONTROL_OUT:
3244                 case CWINDOW_MASK_TRANSLATE:
3245
3246                         result = do_mask(redraw,
3247                                 rerender,
3248                                 0,
3249                                 1,
3250                                 0);
3251                         break;
3252
3253                 case CWINDOW_EYEDROP:
3254                         result = do_eyedrop(rerender, 0, 0);
3255                         break;
3256
3257                 default:
3258                         break;
3259
3260         }
3261
3262
3263 // cursor font changes
3264         if(!result)
3265         {
3266 // printf("CWindowCanvas::cursor_motion_event %d cwindow_operation=%d\n",
3267 // __LINE__,
3268 // mwindow->edl->session->cwindow_operation);
3269                 switch(mwindow->edl->session->cwindow_operation)
3270                 {
3271                         case CWINDOW_CROP:
3272                                 result = test_crop(0, redraw);
3273                                 break;
3274                         case CWINDOW_RULER:
3275                                 result = do_ruler(0, 1, 0, 0);
3276                                 break;
3277                         case CWINDOW_MASK:
3278                                 result = do_mask(redraw,
3279                                         rerender,
3280                                         0,
3281                                         1,
3282                                         0);
3283                                         break;
3284                 }
3285         }
3286
3287         int change_type = rerender ? CHANGE_PARAMS : -1;
3288         gui->sync_parameters(change_type, redraw, redraw_canvas);
3289
3290         return result;
3291 }
3292
3293 int CWindowCanvas::button_press_event()
3294 {
3295         int result = 0;
3296         int redraw = 0;
3297         int redraw_canvas = 0;
3298         int rerender = 0;
3299
3300         if(Canvas::button_press_event()) return 1;
3301
3302         gui->translating_zoom = gui->shift_down();
3303
3304         calculate_origin();
3305 //printf("CWindowCanvas::button_press_event 2 %f %f\n", gui->x_origin, gui->y_origin, gui->x_origin, gui->y_origin);
3306
3307         float zoom_x, zoom_y, conformed_w, conformed_h;
3308         get_zooms(mwindow->edl, 0, zoom_x, zoom_y, conformed_w, conformed_h);
3309         gui->x_offset = get_x_offset(mwindow->edl, 0, zoom_x, conformed_w, conformed_h);
3310         gui->y_offset = get_y_offset(mwindow->edl, 0, zoom_y, conformed_w, conformed_h);
3311
3312 // Scroll view
3313         if( mwindow->edl->session->cwindow_operation != CWINDOW_PROTECT &&
3314             get_buttonpress() == 2 )
3315         {
3316                 gui->current_operation = CWINDOW_SCROLL;
3317                 result = 1;
3318         }
3319         else
3320 // Adjust parameter
3321         {
3322                 switch(mwindow->edl->session->cwindow_operation)
3323                 {
3324                         case CWINDOW_RULER:
3325                                 result = do_ruler(0, 0, 1, 0);
3326                                 break;
3327
3328                         case CWINDOW_CAMERA:
3329                                 result = test_bezier(1, redraw, redraw_canvas, rerender, 1);
3330                                 break;
3331
3332                         case CWINDOW_PROJECTOR:
3333                                 result = test_bezier(1, redraw, redraw_canvas, rerender, 0);
3334                                 break;
3335
3336                         case CWINDOW_ZOOM:
3337                                 result = test_zoom(redraw);
3338                                 break;
3339
3340                         case CWINDOW_CROP:
3341                                 result = test_crop(1, redraw);
3342                                 break;
3343
3344                         case CWINDOW_MASK:
3345                                 if(get_buttonpress() == 1)
3346                                         result = do_mask(redraw, rerender, 1, 0, 0);
3347                                 break;
3348
3349                         case CWINDOW_EYEDROP:
3350                                 result = do_eyedrop(rerender, 1, 0);
3351                                 break;
3352                 }
3353         }
3354
3355         int change_type = rerender ? CHANGE_PARAMS : -1;
3356         gui->sync_parameters(change_type, redraw, redraw_canvas);
3357
3358         return result;
3359 }
3360
3361 int CWindowCanvas::button_release_event()
3362 {
3363         int result = 0;
3364
3365         switch(gui->current_operation)
3366         {
3367                 case CWINDOW_SCROLL:
3368                         result = 1;
3369                         break;
3370
3371                 case CWINDOW_RULER:
3372                         do_ruler(0, 0, 0, 1);
3373                         break;
3374
3375                 case CWINDOW_CAMERA:
3376                         mwindow->undo->update_undo_after(_("camera"), LOAD_AUTOMATION);
3377                         break;
3378
3379                 case CWINDOW_PROJECTOR:
3380                         mwindow->undo->update_undo_after(_("projector"), LOAD_AUTOMATION);
3381                         break;
3382
3383                 case CWINDOW_MASK:
3384                 case CWINDOW_MASK_CONTROL_IN:
3385                 case CWINDOW_MASK_CONTROL_OUT:
3386                 case CWINDOW_MASK_TRANSLATE:
3387 // Finish mask operation
3388                         gui->mask_keyframe = 0;
3389                         mwindow->undo->update_undo_after(_("mask"), LOAD_AUTOMATION);
3390                         break;
3391                 case CWINDOW_NONE:
3392                         result = Canvas::button_release_event();
3393                         break;
3394         }
3395
3396         gui->current_operation = CWINDOW_NONE;
3397         return result;
3398 }
3399
3400 void CWindowCanvas::zoom_resize_window(float percentage)
3401 {
3402         int canvas_w, canvas_h;
3403         int new_w, new_h;
3404
3405
3406 // Get required canvas size
3407         calculate_sizes(mwindow->edl->get_aspect_ratio(),
3408                 mwindow->edl->session->output_w,
3409                 mwindow->edl->session->output_h,
3410                 percentage,
3411                 canvas_w,
3412                 canvas_h);
3413
3414 // Estimate window size from current borders
3415         new_w = canvas_w + (gui->get_w() - mwindow->theme->ccanvas_w);
3416         new_h = canvas_h + (gui->get_h() - mwindow->theme->ccanvas_h);
3417
3418 //printf("CWindowCanvas::zoom_resize_window %d %d %d\n", __LINE__, new_w, new_h);
3419         mwindow->session->cwindow_w = new_w;
3420         mwindow->session->cwindow_h = new_h;
3421
3422         mwindow->theme->get_cwindow_sizes(gui,
3423                 mwindow->session->cwindow_controls);
3424
3425 // Estimate again from new borders
3426         new_w = canvas_w + (mwindow->session->cwindow_w - mwindow->theme->ccanvas_w);
3427         new_h = canvas_h + (mwindow->session->cwindow_h - mwindow->theme->ccanvas_h);
3428 //printf("CWindowCanvas::zoom_resize_window %d %d %d\n", __LINE__, new_w, new_h);
3429
3430         gui->resize_window(new_w, new_h);
3431         gui->resize_event(new_w, new_h);
3432 }
3433
3434 void CWindowCanvas::toggle_controls()
3435 {
3436         mwindow->session->cwindow_controls = !mwindow->session->cwindow_controls;
3437         gui->resize_event(gui->get_w(), gui->get_h());
3438 }
3439
3440 int CWindowCanvas::get_cwindow_controls()
3441 {
3442         return mwindow->session->cwindow_controls;
3443 }
3444
3445
3446