synfig-studio/trunk/src/gtkmm/workarea.cpp

   1 /* === S Y N F I G ========================================================= */
   2 /*!     \file workarea.cpp
   3 **      \brief Template Header
   4 **
   5 **      $Id: workarea.cpp,v 1.3 2005/01/16 19:55:57 darco Exp $
   6 **
   7 **      \legal
   8 **      Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
   9 **
  10 **      This package is free software; you can redistribute it and/or
  11 **      modify it under the terms of the GNU General Public License as
  12 **      published by the Free Software Foundation; either version 2 of
  13 **      the License, or (at your option) any later version.
  14 **
  15 **      This package is distributed in the hope that it will be useful,
  16 **      but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 **      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  18 **      General Public License for more details.
  19 **      \endlegal
  20 */
  21 /* ========================================================================= */
  22
  23 /* === H E A D E R S ======================================================= */
  24
  25 #ifdef USING_PCH
  26 #       include "pch.h"
  27 #else
  28 #ifdef HAVE_CONFIG_H
  29 #       include <config.h>
  30 #endif
  31
  32 #include <sigc++/adaptors/hide.h>
  33
  34 #include "workarea.h"
  35 #include "canvasview.h"
  36 #include "app.h"
  37 #include <gtkmm/window.h>
  38 #include <gtkmm/image.h>
  39 #include <gtkmm/drawingarea.h>
  40 #include <gtkmm/ruler.h>
  41 #include <gtkmm/arrow.h>
  42 #include <gtkmm/image.h>
  43 #include <gtkmm/scrollbar.h>
  44 #include <cmath>
  45 #include <sigc++/retype_return.h>
  46 #include <sigc++/retype.h>
  47 #include <sigc++/hide.h>
  48 #include <ETL/misc>
  49
  50 #include <synfig/target_scanline.h>
  51 #include <synfig/target_tile.h>
  52 #include <synfig/surface.h>
  53 #include <synfigapp/canvasinterface.h>
  54 #include "event_mouse.h"
  55 #include "event_layerclick.h"
  56 #include "widget_color.h"
  57 #include <synfig/distance.h>
  58 #include "workarearenderer.h"
  59
  60 #include "renderer_canvas.h"
  61 #include "renderer_grid.h"
  62 #include "renderer_guides.h"
  63 #include "renderer_timecode.h"
  64 #include "renderer_ducks.h"
  65 #include "renderer_dragbox.h"
  66 #include "renderer_bbox.h"
  67 #include "asyncrenderer.h"
  68 #include <gtkmm/frame.h>
  69
  70 #include <synfig/mutex.h>
  71
  72 #endif
  73
  74 /* === U S I N G =========================================================== */
  75
  76 using namespace std;
  77 using namespace etl;
  78 using namespace synfig;
  79 using namespace studio;
  80
  81 /* === M A C R O S ========================================================= */
  82
  83 #define RULER_FIX               15
  84
  85 #ifndef stratof
  86 #define stratof(X) (atof((X).c_str()))
  87 #define stratoi(X) (atoi((X).c_str()))
  88 #endif
  89
  90
  91 /* === G L O B A L S ======================================================= */
  92
  93 /* === C L A S S E S ======================================================= */
  94
  95 class studio::WorkAreaTarget : public synfig::Target_Tile
  96 {
  97 public:
  98         WorkArea *workarea;
  99         bool low_res;
 100         int w,h;
 101         int real_tile_w,real_tile_h;
 102         //std::vector<Glib::RefPtr<Gdk::Pixbuf> >::iterator tile_iter;
 103
 104         int twindow_start, twindow_width, twindow_height, twindow_pad;
 105         int refresh_id;
 106
 107         bool onionskin;
 108         bool onion_first_tile;
 109         int onion_layers;
 110
 111         std::list<synfig::Time> onion_skin_queue;
 112
 113         synfig::Mutex mutex;
 114
 115         void set_onion_skin(bool x)
 116         {
 117                 onionskin=x;
 118
 119                 Time time(rend_desc().get_time_start());
 120
 121                 onion_skin_queue.push_back(time);
 122                 //onion_skin_queue.push_back(time-1);
 123                 //onion_skin_queue.push_back(time+1);
 124
 125                 try
 126                 {
 127                         onion_skin_queue.push_back(
 128                                 get_canvas()->keyframe_list().find_prev(
 129                                         time
 130                                 )->get_time()
 131                         );
 132                 }
 133                 catch(...)
 134                 {  }
 135
 136                 try
 137                 {
 138                         onion_skin_queue.push_back(
 139                                 get_canvas()->keyframe_list().find_next(
 140                                         time
 141                                 )->get_time()
 142                         );
 143                 }
 144                 catch(...)
 145                 {  }
 146
 147                 onion_layers=onion_skin_queue.size();
 148
 149                 onion_first_tile=false;
 150         }
 151 public:
 152
 153         WorkAreaTarget(WorkArea *workarea,int w, int h):
 154                 workarea(workarea),
 155                 low_res(workarea->get_low_resolution_flag()),
 156                 w(w),
 157                 h(h),
 158                 real_tile_w(workarea->tile_w),
 159                 real_tile_h(workarea->tile_h),
 160                 refresh_id(workarea->refreshes),
 161                 onionskin(false),
 162                 onion_layers(0)
 163         {
 164                 //set_remove_alpha();
 165                 //set_avoid_time_sync();
 166                 set_clipping(true);
 167                 if(low_res)
 168                 {
 169                         set_tile_w(workarea->tile_w/2);
 170                         set_tile_h(workarea->tile_h/2);
 171                 }
 172                 else
 173                 {
 174                         set_tile_w(workarea->tile_w);
 175                         set_tile_h(workarea->tile_h);
 176                 }
 177                 set_canvas(workarea->get_canvas());
 178                 set_quality(workarea->get_quality());
 179         }
 180
 181         ~WorkAreaTarget()
 182         {
 183                 workarea->queue_draw();
 184         }
 185
 186         virtual bool set_rend_desc(synfig::RendDesc *newdesc)
 187         {
 188                 assert(workarea);
 189                 newdesc->set_flags(RendDesc::PX_ASPECT|RendDesc::IM_SPAN);
 190                 if(low_res)
 191                         newdesc->set_wh(w/2,h/2);
 192                 else
 193                         newdesc->set_wh(w,h);
 194
 195                 if(
 196                                 workarea->get_w()!=w
 197                         ||      workarea->get_h()!=h
 198                 ) workarea->set_wh(w,h,4);
 199
 200                 workarea->full_frame=false;
 201
 202                 desc=*newdesc;
 203                 return true;
 204         }
 205
 206         virtual int total_tiles()const
 207         {
 208                 int tw(rend_desc().get_w()/get_tile_w());
 209                 int th(rend_desc().get_h()/get_tile_h());
 210                 if(rend_desc().get_w()%get_tile_w()!=0)tw++;
 211                 if(rend_desc().get_h()%get_tile_h()!=0)th++;
 212                 return tw*th;
 213         }
 214
 215         virtual int next_frame(Time& time)
 216         {
 217                 synfig::Mutex::Lock lock(mutex);
 218
 219                 if(!onionskin)
 220                         return synfig::Target_Tile::next_frame(time);
 221
 222                 onion_first_tile=(onion_layers==(signed)onion_skin_queue.size());
 223
 224                 if(!onion_skin_queue.empty())
 225                 {
 226                         time=onion_skin_queue.front();
 227                         onion_skin_queue.pop_front();
 228                 }
 229                 else
 230                         return 0;
 231
 232                 return onion_skin_queue.size()+1;
 233         }
 234
 235         virtual int next_tile(int& x, int& y)
 236         {
 237                 synfig::Mutex::Lock lock(mutex);
 238                 //if(workarea->tile_queue.empty()) return 0;
 239
 240                 //int curr_tile(workarea->tile_queue.front());
 241                 //workarea->tile_queue.pop_front();
 242                 int curr_tile(workarea->next_unrendered_tile(refresh_id-onion_skin_queue.size()));
 243                 if(curr_tile<0)
 244                         return 0;
 245
 246                 // Width of the image(in tiles)
 247                 int tw(rend_desc().get_w()/get_tile_w());
 248                 if(rend_desc().get_w()%get_tile_w()!=0)tw++;
 249
 250                 y=(curr_tile/tw)*get_tile_w();
 251                 x=(curr_tile%tw)*get_tile_h();
 252
 253                 // Mark this tile as "up-to-date"
 254                 if(onionskin)
 255                         workarea->tile_book[curr_tile].second=refresh_id-onion_skin_queue.size();
 256                 else
 257                         workarea->tile_book[curr_tile].second=refresh_id;
 258
 259                 return total_tiles()-curr_tile+1;
 260         }
 261
 262
 263         virtual bool start_frame(synfig::ProgressCallback *cb)
 264         {
 265                 synfig::Mutex::Lock lock(mutex);
 266
 267                 int tw(rend_desc().get_w()/get_tile_w());
 268                 if(rend_desc().get_w()%get_tile_w()!=0)tw++;
 269                 int th(rend_desc().get_h()/get_tile_h());
 270                 if(rend_desc().get_h()%get_tile_h()!=0)th++;
 271
 272                 twindow_start=0;
 273                 twindow_width=tw;
 274                 twindow_height=th;
 275                 twindow_pad=0;
 276
 277                 workarea->tile_book.resize(total_tiles());
 278                 //tile_iter=workarea->tile_book.begin()+twindow_start;
 279                 return true;
 280         }
 281
 282         static void free_buff(const guint8 *x) { free(const_cast<guint8*>(x)); }
 283
 284         virtual bool add_tile(const synfig::Surface &surface, int x, int y)
 285         {
 286                 synfig::Mutex::Lock lock(mutex);
 287                 assert(surface);
 288
 289                 PixelFormat pf(PF_RGB);
 290
 291                 const int total_bytes(get_tile_w()*get_tile_h()*synfig::channels(pf));
 292
 293                 unsigned char *buffer((unsigned char*)malloc(total_bytes));
 294
 295                 if(!surface || !buffer)
 296                         return false;
 297                 {
 298                         unsigned char *dest(buffer);
 299                         const Color *src(surface[0]);
 300                         int w(get_tile_w());
 301                         int h(get_tile_h());
 302                         int x(surface.get_w()*surface.get_h());
 303                         //if(low_res) { w/=2,h/=2; }
 304                         Color dark(0.6,0.6,0.6);
 305                         Color lite(0.8,0.8,0.8);
 306                         for(int i=0;i<x;i++)
 307                                 dest=Color2PixelFormat(
 308                                         Color::blend(
 309                                                 (*(src++)),
 310                                                 ((i/surface.get_w())*8/h+(i%surface.get_w())*8/w)&1?dark:lite,
 311                                                 1.0f
 312                                         ).clamped(),
 313                                         pf,dest,App::gamma
 314                                 );
 315                 }
 316
 317                 x/=get_tile_w();
 318                 y/=get_tile_h();
 319                 int tw(rend_desc().get_w()/get_tile_w());
 320                 if(rend_desc().get_w()%get_tile_w()!=0)tw++;
 321                 unsigned int index=y*tw+x;
 322
 323                 // Sanity check
 324                 if(index>workarea->tile_book.size())
 325                         return false;
 326
 327                 Glib::RefPtr<Gdk::Pixbuf> pixbuf;
 328
 329                 pixbuf=Gdk::Pixbuf::create_from_data(
 330                         buffer, // pointer to the data
 331                         Gdk::COLORSPACE_RGB, // the colorspace
 332                         ((pf&PF_A)==PF_A), // has alpha?
 333                         8, // bits per sample
 334                         surface.get_w(),        // width
 335                         surface.get_h(),        // height
 336                         surface.get_w()*synfig::channels(pf), // stride (pitch)
 337                         sigc::ptr_fun(&WorkAreaTarget::free_buff)
 338                 );
 339
 340                 if(low_res)
 341                 {
 342                         // We need to scale up
 343                         pixbuf=pixbuf->scale_simple(
 344                                 surface.get_w()*2,
 345                                 surface.get_h()*2,
 346                                 Gdk::INTERP_NEAREST
 347                         );
 348                 }
 349
 350                 if(!onionskin || onion_first_tile || !workarea->tile_book[index].first)
 351                 {
 352                         workarea->tile_book[index].first=pixbuf;
 353                 }
 354                 else
 355                 {
 356                         pixbuf->composite(
 357                                 workarea->tile_book[index].first, // Dest
 358                                 0,//int dest_x
 359                                 0,//int dest_y
 360                                 pixbuf->get_width(), // dest width
 361                                 pixbuf->get_height(), // dest_height,
 362                                 0, // double offset_x
 363                                 0, // double offset_y
 364                                 1, // double scale_x
 365                                 1, // double scale_y
 366                                 Gdk::INTERP_NEAREST, // interp
 367                                 255/(onion_layers-onion_skin_queue.size()+1) //int overall_alpha
 368                         );
 369                 }
 370
 371                 //if(index%2)
 372                         workarea->queue_draw();
 373                 assert(workarea->tile_book[index].first);
 374                 return true;
 375         }
 376
 377         virtual void end_frame()
 378         {
 379                 //workarea->queue_draw();
 380         }
 381 };
 382
 383
 384 class studio::WorkAreaTarget_Full : public synfig::Target_Scanline
 385 {
 386 public:
 387         WorkArea *workarea;
 388         bool low_res;
 389         int w,h;
 390         int real_tile_w,real_tile_h;
 391         //std::vector<Glib::RefPtr<Gdk::Pixbuf> >::iterator tile_iter;
 392
 393         int twindow_start, twindow_width, twindow_height, twindow_pad;
 394         int refresh_id;
 395
 396         bool onionskin;
 397         bool onion_first_tile;
 398         int onion_layers;
 399
 400         Surface surface;
 401
 402         std::list<synfig::Time> onion_skin_queue;
 403
 404         void set_onion_skin(bool x)
 405         {
 406                 onionskin=x;
 407
 408                 Time time(rend_desc().get_time_start());
 409
 410                 onion_skin_queue.push_back(time);
 411                 //onion_skin_queue.push_back(time-1);
 412                 //onion_skin_queue.push_back(time+1);
 413                 if(!onionskin)
 414                         return;
 415
 416                 try
 417                 {
 418                         onion_skin_queue.push_back(
 419                                 get_canvas()->keyframe_list().find_prev(
 420                                         time
 421                                 )->get_time()
 422                         );
 423                 }
 424                 catch(...)
 425                 {  }
 426
 427                 try
 428                 {
 429                         onion_skin_queue.push_back(
 430                                 get_canvas()->keyframe_list().find_next(
 431                                         time
 432                                 )->get_time()
 433                         );
 434                 }
 435                 catch(...)
 436                 {  }
 437
 438                 onion_layers=onion_skin_queue.size();
 439
 440                 onion_first_tile=false;
 441         }
 442 public:
 443
 444         WorkAreaTarget_Full(WorkArea *workarea,int w, int h):
 445                 workarea(workarea),
 446                 low_res(workarea->get_low_resolution_flag()),
 447                 w(w),
 448                 h(h),
 449                 refresh_id(workarea->refreshes),
 450                 onionskin(false),
 451                 onion_layers(0)
 452         {
 453                 set_canvas(workarea->get_canvas());
 454                 set_quality(workarea->get_quality());
 455         }
 456
 457         ~WorkAreaTarget_Full()
 458         {
 459         }
 460
 461         virtual bool set_rend_desc(synfig::RendDesc *newdesc)
 462         {
 463                 assert(workarea);
 464                 newdesc->set_flags(RendDesc::PX_ASPECT|RendDesc::IM_SPAN);
 465                 if(low_res)
 466                         newdesc->set_wh(w/2,h/2);
 467                 else
 468                         newdesc->set_wh(w,h);
 469
 470                 if(
 471                                 workarea->get_w()!=w
 472                         ||      workarea->get_h()!=h
 473                 ) workarea->set_wh(w,h,4);
 474
 475                 surface.set_wh(newdesc->get_w(),newdesc->get_h());
 476
 477                 desc=*newdesc;
 478                 workarea->full_frame=true;
 479                 workarea->tile_book.resize(1);
 480                 return true;
 481         }
 482
 483         virtual int next_frame(Time& time)
 484         {
 485                 // Mark this tile as "up-to-date"
 486                 if(onionskin)
 487                         workarea->tile_book[0].second=refresh_id-onion_skin_queue.size();
 488                 else
 489                         workarea->tile_book[0].second=refresh_id;
 490
 491                 if(!onionskin)
 492                         return synfig::Target_Scanline::next_frame(time);
 493
 494                 onion_first_tile=(onion_layers==(signed)onion_skin_queue.size());
 495
 496                 if(!onion_skin_queue.empty())
 497                 {
 498                         time=onion_skin_queue.front();
 499                         onion_skin_queue.pop_front();
 500                 }
 501                 else
 502                         return 0;
 503                 return onion_skin_queue.size()+1;
 504         }
 505
 506
 507         virtual bool start_frame(synfig::ProgressCallback *cb)
 508         {
 509                 return true;
 510         }
 511
 512         virtual Color * start_scanline(int scanline)
 513         {
 514                 return surface[scanline];
 515         }
 516
 517         virtual bool end_scanline()
 518         {
 519                 return true;
 520         }
 521
 522         static void free_buff(const guint8 *x) { free(const_cast<guint8*>(x)); }
 523
 524         virtual void end_frame()
 525         {
 526                 assert(surface);
 527
 528                 PixelFormat pf(PF_RGB);
 529
 530                 const int total_bytes(surface.get_w()*surface.get_h()*synfig::channels(pf));
 531
 532                 unsigned char *buffer((unsigned char*)malloc(total_bytes));
 533
 534                 if(!surface || !buffer)
 535                         return;
 536                 {
 537                         unsigned char *dest(buffer);
 538                         const Color *src(surface[0]);
 539                         int w(surface.get_w());
 540                         //int h(surface.get_h());
 541                         int x(surface.get_w()*surface.get_h());
 542                         //if(low_res) { w/=2,h/=2; }
 543                         Color dark(0.6,0.6,0.6);
 544                         Color lite(0.8,0.8,0.8);
 545                         int tw=workarea->tile_w;
 546                         int th=workarea->tile_h;
 547                         if(low_res)
 548                         {
 549                                 tw/=2;
 550                                 th/=2;
 551                         }
 552                         for(int i=0;i<x;i++)
 553                                 dest=Color2PixelFormat(
 554                                         Color::blend(
 555                                                 (*(src++)),
 556                                                 ((i/w)*8/th+(i%w)*8/tw)&1?dark:lite,
 557                                                 1.0f
 558                                         ).clamped(),
 559                                         pf,
 560                                         dest,
 561                                         App::gamma
 562                                 );
 563                 }
 564
 565                 Glib::RefPtr<Gdk::Pixbuf> pixbuf;
 566
 567                 pixbuf=Gdk::Pixbuf::create_from_data(
 568                         buffer, // pointer to the data
 569                         Gdk::COLORSPACE_RGB, // the colorspace
 570                         ((pf&PF_A)==PF_A), // has alpha?
 571                         8, // bits per sample
 572                         surface.get_w(),        // width
 573                         surface.get_h(),        // height
 574                         surface.get_w()*synfig::channels(pf), // stride (pitch)
 575                         sigc::ptr_fun(&WorkAreaTarget::free_buff)
 576                 );
 577
 578                 if(low_res)
 579                 {
 580                         // We need to scale up
 581                         pixbuf=pixbuf->scale_simple(
 582                                 surface.get_w()*2,
 583                                 surface.get_h()*2,
 584                                 Gdk::INTERP_NEAREST
 585                         );
 586                 }
 587
 588                 int index=0;
 589
 590                 if(!onionskin || onion_first_tile || !workarea->tile_book[index].first)
 591                 {
 592                         workarea->tile_book[index].first=pixbuf;
 593                 }
 594                 else
 595                 {
 596                         pixbuf->composite(
 597                                 workarea->tile_book[index].first, // Dest
 598                                 0,//int dest_x
 599                                 0,//int dest_y
 600                                 pixbuf->get_width(), // dest width
 601                                 pixbuf->get_height(), // dest_height,
 602                                 0, // double offset_x
 603                                 0, // double offset_y
 604                                 1, // double scale_x
 605                                 1, // double scale_y
 606                                 Gdk::INTERP_NEAREST, // interp
 607                                 255/(onion_layers-onion_skin_queue.size()+1) //int overall_alpha
 608                         );
 609                 }
 610
 611                 workarea->queue_draw();
 612                 assert(workarea->tile_book[index].first);
 613         }
 614 };
 615
 616
 617
 618
 619 /* === M E T H O D S ======================================================= */
 620
 621
 622 WorkArea::WorkArea(etl::loose_handle<synfigapp::CanvasInterface> canvas_interface):
 623         Gtk::Table(4+RULER_FIX, 3, false),
 624         canvas_interface(canvas_interface),
 625         canvas(canvas_interface->get_canvas()),
 626         scrollx_adjustment(0,-4,4,0.01,0.1),
 627         scrolly_adjustment(0,-4,4,0.01,0.1),
 628         w(128),
 629         h(128),
 630         last_event_time(0),
 631         progresscallback(0),
 632         dragging(DRAG_NONE),
 633         show_grid(false),
 634         tile_w(128),
 635         tile_h(128)
 636 {
 637         show_guides=true;
 638         curr_input_device=0;
 639         full_frame=false;
 640         allow_duck_clicks=true;
 641         allow_layer_clicks=true;
 642         render_idle_func_id=0;
 643         zoom=prev_zoom=1.0;
 644         quality=10;
 645         rendering=false;
 646         canceled_=false;
 647         low_resolution=true;
 648         pw=0.001;
 649         ph=0.001;
 650         last_focus_point=Point(0,0);
 651         onion_skin=false;
 652         queued=false;
 653         dirty_trap_enabled=false;
 654         solid_lines=true;
 655
 656         dirty_trap_queued=0;
 657
 658         meta_data_lock=false;
 659
 660         insert_renderer(new Renderer_Canvas,    000);
 661         insert_renderer(new Renderer_Grid,              100);
 662         insert_renderer(new Renderer_Guides,    200);
 663         insert_renderer(new Renderer_Ducks,             300);
 664         insert_renderer(new Renderer_BBox,              399);
 665         insert_renderer(new Renderer_Dragbox,   400);
 666         insert_renderer(new Renderer_Timecode,  500);
 667
 668         signal_duck_selection_changed().connect(sigc::mem_fun(*this,&studio::WorkArea::queue_draw));
 669         signal_strokes_changed().connect(sigc::mem_fun(*this,&studio::WorkArea::queue_draw));
 670         signal_grid_changed().connect(sigc::mem_fun(*this,&studio::WorkArea::queue_draw));
 671         signal_grid_changed().connect(sigc::mem_fun(*this,&studio::WorkArea::save_meta_data));
 672         signal_sketch_saved().connect(sigc::mem_fun(*this,&studio::WorkArea::save_meta_data));
 673
 674         // Not that it really makes a difference... (setting this to zero, that is)
 675         refreshes=0;
 676
 677         drawing_area=manage(new class Gtk::DrawingArea());
 678         drawing_area->show();
 679         drawing_area->set_extension_events(Gdk::EXTENSION_EVENTS_ALL);
 680
 681         drawing_frame=manage(new Gtk::Frame);
 682         drawing_frame->add(*drawing_area);
 683         //drawing_frame->set_shadow_type(Gtk::SHADOW_NONE);
 684         //drawing_frame->property_border_width()=5;
 685         //drawing_frame->modify_fg(Gtk::STATE_NORMAL,Gdk::Color("#00ffff"));
 686         //drawing_frame->modify_base(Gtk::STATE_NORMAL,Gdk::Color("#ff00ff"));
 687         /*drawing_frame->modify_fg(Gtk::STATE_ACTIVE,Gdk::Color("#00ffff"));
 688         drawing_frame->modify_base(Gtk::STATE_ACTIVE,Gdk::Color("#ff00ff"));
 689         drawing_frame->modify_bg(Gtk::STATE_ACTIVE,Gdk::Color("#00ff00"));
 690         drawing_frame->modify_fg(Gtk::STATE_INSENSITIVE,Gdk::Color("#00ffff"));
 691         drawing_frame->modify_base(Gtk::STATE_INSENSITIVE,Gdk::Color("#ff00ff"));
 692         drawing_frame->modify_bg(Gtk::STATE_INSENSITIVE,Gdk::Color("#00ff00"));
 693         drawing_frame->modify_fg(Gtk::STATE_SELECTED,Gdk::Color("#00ffff"));
 694         drawing_frame->modify_base(Gtk::STATE_SELECTED,Gdk::Color("#ff00ff"));
 695         drawing_frame->modify_bg(Gtk::STATE_SELECTED,Gdk::Color("#00ff00"));
 696         */
 697         //drawing_frame->set_state(Gtk::STATE_NORMAL);
 698
 699         drawing_frame->show();
 700
 701         attach(*drawing_frame, 1, 3+RULER_FIX, 1, 2, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 702
 703         Gtk::IconSize iconsize=Gtk::IconSize::from_name("synfig-small_icon");
 704
 705
 706         // Create the vertical and horizontal rulers
 707         vruler = manage(new class Gtk::VRuler());
 708         hruler = manage(new class Gtk::HRuler());
 709         vruler->set_metric(Gtk::PIXELS);
 710         hruler->set_metric(Gtk::PIXELS);
 711         vruler->show();
 712         hruler->show();
 713         attach(*vruler, 0, 1, 1, 2, Gtk::SHRINK|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 714         attach(*hruler, 1, 3+RULER_FIX, 0, 1, Gtk::EXPAND|Gtk::FILL, Gtk::SHRINK|Gtk::FILL, 0, 0);
 715         hruler->signal_event().connect(sigc::mem_fun(*this, &WorkArea::on_hruler_event));
 716         vruler->signal_event().connect(sigc::mem_fun(*this, &WorkArea::on_vruler_event));
 717         hruler->add_events(Gdk::BUTTON1_MOTION_MASK | Gdk::BUTTON2_MOTION_MASK |Gdk::BUTTON_PRESS_MASK | Gdk::BUTTON_RELEASE_MASK|Gdk::POINTER_MOTION_MASK);
 718         vruler->add_events(Gdk::BUTTON1_MOTION_MASK | Gdk::BUTTON2_MOTION_MASK |Gdk::BUTTON_PRESS_MASK | Gdk::BUTTON_RELEASE_MASK|Gdk::POINTER_MOTION_MASK);
 719
 720         // Create the menu button
 721         menubutton=manage(new class Gtk::Button());
 722         Gtk::Arrow *arrow1 = manage(new class Gtk::Arrow(Gtk::ARROW_RIGHT, Gtk::SHADOW_OUT));
 723         menubutton->add(*arrow1);
 724         menubutton->show_all();
 725         menubutton->signal_pressed().connect(sigc::mem_fun(*this, &WorkArea::popup_menu));
 726         attach(*menubutton, 0, 1, 0, 1, Gtk::SHRINK, Gtk::SHRINK, 0, 0);
 727
 728
 729
 730         Gtk::VScrollbar *vscrollbar1 = manage(new class Gtk::VScrollbar(*get_scrolly_adjustment()));
 731         Gtk::HScrollbar *hscrollbar1 = manage(new class Gtk::HScrollbar(*get_scrollx_adjustment()));
 732         vscrollbar1->show();
 733         hscrollbar1->show();
 734         attach(*vscrollbar1, 3+RULER_FIX, 4+RULER_FIX, 1, 2, Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 735         attach(*hscrollbar1, 2+RULER_FIX, 3+RULER_FIX, 2, 3, Gtk::EXPAND|Gtk::FILL, Gtk::FILL, 0, 0);
 736
 737         ZoomDial *zoomdial=manage(new class ZoomDial(iconsize));
 738         zoomdial->signal_zoom_in().connect(sigc::mem_fun(*this, &studio::WorkArea::zoom_in));
 739         zoomdial->signal_zoom_out().connect(sigc::mem_fun(*this, &studio::WorkArea::zoom_out));
 740         zoomdial->signal_zoom_fit().connect(sigc::mem_fun(*this, &studio::WorkArea::zoom_fit));
 741         zoomdial->signal_zoom_norm().connect(sigc::mem_fun(*this, &studio::WorkArea::zoom_norm));
 742         zoomdial->show();
 743         attach(*zoomdial, 0, 2+RULER_FIX, 2, 3, Gtk::SHRINK, Gtk::SHRINK, 0, 0);
 744
 745         drawing_area->add_events(Gdk::KEY_PRESS_MASK | Gdk::KEY_RELEASE_MASK);
 746         add_events(Gdk::KEY_PRESS_MASK);
 747         drawing_area->add_events(Gdk::BUTTON_PRESS_MASK | Gdk::BUTTON_RELEASE_MASK);
 748         drawing_area->add_events(Gdk::BUTTON1_MOTION_MASK | Gdk::BUTTON2_MOTION_MASK |Gdk::POINTER_MOTION_MASK);
 749
 750         // ----------------- Attach signals
 751
 752         drawing_area->signal_expose_event().connect(sigc::mem_fun(*this, &WorkArea::refresh));
 753         drawing_area->signal_event().connect(sigc::mem_fun(*this, &WorkArea::on_drawing_area_event));
 754         drawing_area->signal_size_allocate().connect(sigc::hide(sigc::mem_fun(*this, &WorkArea::refresh_dimension_info)));
 755
 756
 757
 758         canvas_interface->signal_rend_desc_changed().connect(sigc::mem_fun(*this, &WorkArea::refresh_dimension_info));
 759         // When either of the scrolling adjustments change, then redraw.
 760         get_scrollx_adjustment()->signal_value_changed().connect(sigc::mem_fun(*this, &WorkArea::queue_scroll));
 761         get_scrolly_adjustment()->signal_value_changed().connect(sigc::mem_fun(*this, &WorkArea::queue_scroll));
 762         get_scrollx_adjustment()->signal_value_changed().connect(sigc::mem_fun(*this, &WorkArea::refresh_dimension_info));
 763         get_scrolly_adjustment()->signal_value_changed().connect(sigc::mem_fun(*this, &WorkArea::refresh_dimension_info));
 764
 765         get_canvas()->signal_meta_data_changed("grid_size").connect(sigc::mem_fun(*this,&WorkArea::load_meta_data));
 766         get_canvas()->signal_meta_data_changed("grid_snap").connect(sigc::mem_fun(*this,&WorkArea::load_meta_data));
 767         get_canvas()->signal_meta_data_changed("grid_show").connect(sigc::mem_fun(*this,&WorkArea::load_meta_data));
 768         get_canvas()->signal_meta_data_changed("guide_show").connect(sigc::mem_fun(*this,&WorkArea::load_meta_data));
 769         get_canvas()->signal_meta_data_changed("guide_x").connect(sigc::mem_fun(*this,&WorkArea::load_meta_data));
 770         get_canvas()->signal_meta_data_changed("guide_y").connect(sigc::mem_fun(*this,&WorkArea::load_meta_data));
 771         get_canvas()->signal_meta_data_changed("onion_skin").connect(sigc::mem_fun(*this,&WorkArea::load_meta_data));
 772         get_canvas()->signal_meta_data_changed("guide_snap").connect(sigc::mem_fun(*this,&WorkArea::load_meta_data));
 773         get_canvas()->signal_meta_data_changed("sketch").connect(sigc::mem_fun(*this,&WorkArea::load_meta_data));
 774         get_canvas()->signal_meta_data_changed("solid_lines").connect(sigc::mem_fun(*this,&WorkArea::load_meta_data));
 775
 776         queued=false;
 777         meta_data_lock=false;
 778         set_focus_point(Point(0,0));
 779
 780
 781         load_meta_data();
 782         // Load sketch
 783         {
 784                 String data(canvas->get_meta_data("sketch"));
 785                 if(!data.empty())
 786                 {
 787                         if(!load_sketch(data))
 788                                 load_sketch(dirname(canvas->get_file_name())+ETL_DIRECTORY_SEPERATOR+basename(data));
 789                 }
 790         }
 791
 792         hruler->property_max_size()=double(10.0);
 793         vruler->property_max_size()=double(10.0);
 794
 795         drawing_area->set_flags(drawing_area->get_flags()|Gtk::CAN_FOCUS);
 796 }
 797
 798 WorkArea::~WorkArea()
 799 {
 800 //      delete [] buffer;
 801 }
 802
 803 void
 804 WorkArea::save_meta_data()
 805 {
 806         if(meta_data_lock)
 807                 return;
 808         meta_data_lock=true;
 809
 810         Vector s(get_grid_size());
 811         canvas_interface->set_meta_data("grid_size",strprintf("%f %f",s[0],s[1]));
 812         canvas_interface->set_meta_data("grid_snap",get_grid_snap()?"1":"0");
 813         canvas_interface->set_meta_data("guide_snap",get_guide_snap()?"1":"0");
 814         canvas_interface->set_meta_data("guide_show",get_show_guides()?"1":"0");
 815         canvas_interface->set_meta_data("grid_show",show_grid?"1":"0");
 816         canvas_interface->set_meta_data("onion_skin",onion_skin?"1":"0");
 817         {
 818                 String data;
 819                 GuideList::const_iterator iter;
 820                 for(iter=get_guide_list_x().begin();iter!=get_guide_list_x().end();++iter)
 821                 {
 822                         if(!data.empty())
 823                                 data+=' ';
 824                         data+=strprintf("%f",*iter);
 825                 }
 826                 if(!data.empty())
 827                         canvas_interface->set_meta_data("guide_x",data);
 828
 829                 data.clear();
 830                 for(iter=get_guide_list_y().begin();iter!=get_guide_list_y().end();++iter)
 831                 {
 832                         if(!data.empty())
 833                                 data+=' ';
 834                         data+=strprintf("%f",*iter);
 835                 }
 836                 if(!data.empty())
 837                         canvas_interface->set_meta_data("guide_y",data);
 838         }
 839
 840         if(get_sketch_filename().size())
 841         {
 842                 if(dirname(canvas->get_file_name())==dirname(get_sketch_filename()))
 843                         canvas_interface->set_meta_data("sketch",basename(get_sketch_filename()));
 844                 else
 845                         canvas_interface->set_meta_data("sketch",get_sketch_filename());
 846         }
 847
 848         meta_data_lock=false;
 849 }
 850
 851 void
 852 WorkArea::load_meta_data()
 853 {
 854         if(meta_data_lock)
 855                 return;
 856         meta_data_lock=true;
 857
 858         String data;
 859
 860         data=canvas->get_meta_data("grid_size");
 861         if(!data.empty())
 862         {
 863                 float gx(get_grid_size()[0]),gy(get_grid_size()[1]);
 864
 865                 String::iterator iter(find(data.begin(),data.end(),' '));
 866                 String tmp(data.begin(),iter);
 867
 868                 if(!tmp.empty())
 869                         gx=stratof(tmp);
 870
 871                 if(iter==data.end())
 872                         tmp.clear();
 873                 else
 874                         tmp=String(iter+1,data.end());
 875
 876                 if(!tmp.empty())
 877                         gy=stratof(tmp);
 878
 879                 set_grid_size(Vector(gx,gy));
 880         }
 881         else
 882                 synfig::error("WorkArea::load_meta_data(): Unable to parse data for \"grid_size\", which was \"%s\"",data.c_str());
 883
 884         data=canvas->get_meta_data("grid_show");
 885         if(data.size() && (data=="1" || data[0]=='t' || data[0]=='T'))
 886                 show_grid=true;
 887         if(data.size() && (data=="0" || data[0]=='f' || data[0]=='F'))
 888                 show_grid=false;
 889
 890         data=canvas->get_meta_data("solid_lines");
 891         if(data.size() && (data=="1" || data[0]=='t' || data[0]=='T'))
 892                 solid_lines=true;
 893         if(data.size() && (data=="0" || data[0]=='f' || data[0]=='F'))
 894                 solid_lines=false;
 895
 896         data=canvas->get_meta_data("guide_show");
 897         if(data.size() && (data=="1" || data[0]=='t' || data[0]=='T'))
 898                 show_guides=true;
 899         if(data.size() && (data=="0" || data[0]=='f' || data[0]=='F'))
 900                 show_guides=false;
 901
 902         data=canvas->get_meta_data("grid_snap");
 903         if(data.size() && (data=="1" || data[0]=='t' || data[0]=='T'))
 904                 set_grid_snap(true);
 905         if(data.size() && (data=="0" || data[0]=='f' || data[0]=='F'))
 906                 set_grid_snap(false);
 907
 908         data=canvas->get_meta_data("guide_snap");
 909         if(data.size() && (data=="1" || data[0]=='t' || data[0]=='T'))
 910                 set_guide_snap(true);
 911         if(data.size() && (data=="0" || data[0]=='f' || data[0]=='F'))
 912                 set_guide_snap(false);
 913
 914         data=canvas->get_meta_data("onion_skin");
 915         if(data.size() && (data=="1" || data[0]=='t' || data[0]=='T'))
 916                 set_onion_skin(true);
 917         if(data.size() && (data=="0" || data[0]=='f' || data[0]=='F'))
 918                 set_onion_skin(false);
 919
 920         data=canvas->get_meta_data("guide_x");
 921         get_guide_list_x().clear();
 922         while(!data.empty())
 923         {
 924                 String::iterator iter(find(data.begin(),data.end(),' '));
 925                 String guide(data.begin(),iter);
 926
 927                 if(!guide.empty())
 928                         get_guide_list_x().push_back(stratof(guide));
 929
 930                 if(iter==data.end())
 931                         data.clear();
 932                 else
 933                         data=String(iter+1,data.end());
 934         }
 935         //sort(get_guide_list_x());
 936
 937         data=canvas->get_meta_data("guide_y");
 938         get_guide_list_y().clear();
 939         while(!data.empty())
 940         {
 941                 String::iterator iter(find(data.begin(),data.end(),' '));
 942                 String guide(data.begin(),iter);
 943
 944                 if(!guide.empty())
 945                         get_guide_list_y().push_back(stratof(guide));
 946
 947                 if(iter==data.end())
 948                         data.clear();
 949                 else
 950                         data=String(iter+1,data.end());
 951         }
 952         //sort(get_guide_list_y());
 953
 954         meta_data_lock=false;
 955         queue_draw();
 956 }
 957
 958 void
 959 WorkArea::set_onion_skin(bool x)
 960 {
 961         if(onion_skin==x)
 962                 return;
 963         onion_skin=x;
 964         save_meta_data();
 965         queue_render_preview();
 966         signal_onion_skin_changed()();
 967 }
 968
 969 bool
 970 WorkArea::get_onion_skin()const
 971 {
 972         return onion_skin;
 973 }
 974
 975 void
 976 WorkArea::enable_grid()
 977 {
 978         show_grid=true;
 979         save_meta_data();
 980         queue_draw();
 981 }
 982
 983 void
 984 WorkArea::disable_grid()
 985 {
 986         show_grid=false;
 987         save_meta_data();
 988         queue_draw();
 989 }
 990
 991 void
 992 WorkArea::set_show_guides(bool x)
 993 {
 994         show_guides=x;
 995         save_meta_data();
 996         queue_draw();
 997 }
 998
 999 void
1000 WorkArea::toggle_grid()
1001 {
1002         show_grid=!show_grid;
1003         save_meta_data();
1004         queue_draw();
1005 }
1006
1007 void
1008 WorkArea::set_low_resolution_flag(bool x)
1009 {
1010         if(x!=low_resolution)
1011         {
1012                 low_resolution=x;
1013                 queue_render_preview();
1014         }
1015 }
1016
1017 void
1018 WorkArea::toggle_low_resolution_flag()
1019 {
1020         set_low_resolution_flag(!get_low_resolution_flag());
1021 }
1022
1023 void
1024 WorkArea::popup_menu()
1025 {
1026         signal_popup_menu()();
1027 }
1028
1029 void
1030 WorkArea::set_grid_size(const synfig::Vector &s)
1031 {
1032         Duckmatic::set_grid_size(s);
1033         save_meta_data();
1034         queue_draw();
1035 }
1036
1037 void
1038 WorkArea::set_focus_point(const synfig::Point &point)
1039 {
1040         // These next three lines try to ensure that we place the
1041         // focus on a pixel boundry
1042         /*Point adjusted(point[0]/abs(get_pw()),point[1]/abs(get_ph()));
1043         adjusted[0]=(abs(adjusted[0]-floor(adjusted[0]))<0.5)?floor(adjusted[0])*abs(get_pw()):ceil(adjusted[0])*abs(get_ph());
1044         adjusted[1]=(abs(adjusted[1]-floor(adjusted[1]))<0.5)?floor(adjusted[1])*abs(get_ph()):ceil(adjusted[1])*abs(get_ph());
1045         */
1046         const synfig::Point& adjusted(point);
1047
1048         synfig::RendDesc &rend_desc(get_canvas()->rend_desc());
1049         Real x_factor=(rend_desc.get_br()[0]-rend_desc.get_tl()[0]>0)?-1:1;
1050         Real y_factor=(rend_desc.get_br()[1]-rend_desc.get_tl()[1]>0)?-1:1;
1051
1052         get_scrollx_adjustment()->set_value(adjusted[0]*x_factor);
1053         get_scrolly_adjustment()->set_value(adjusted[1]*y_factor);
1054 }
1055
1056 synfig::Point
1057 WorkArea::get_focus_point()const
1058 {
1059         synfig::RendDesc &rend_desc(get_canvas()->rend_desc());
1060         Real x_factor=(rend_desc.get_br()[0]-rend_desc.get_tl()[0]>0)?-1:1;
1061         Real y_factor=(rend_desc.get_br()[1]-rend_desc.get_tl()[1]>0)?-1:1;
1062
1063         return synfig::Point(get_scrollx_adjustment()->get_value()*x_factor, get_scrolly_adjustment()->get_value()*y_factor);
1064 }
1065
1066 bool
1067 WorkArea::set_wh(int W, int H,int CHAN)
1068 {
1069         // If our size is already set, don't set it again
1070         if(W==w && H==h && CHAN==bpp)
1071         {
1072                 return true;
1073         }
1074         if(W<=0 || H<=0 || CHAN<=0)
1075                 return false;
1076
1077         assert(W>0);
1078         assert(H>0);
1079         assert(CHAN>0);
1080
1081         // Set all of the parameters
1082         w=W;
1083         h=H;
1084         bpp=CHAN;
1085
1086         refresh_dimension_info();
1087
1088         tile_book.clear();
1089
1090         return true;
1091 }
1092
1093 bool
1094 WorkArea::on_key_press_event(GdkEventKey* event)
1095 {
1096         if(get_selected_ducks().empty())
1097                 return false;
1098
1099         Real multiplier(1.0);
1100
1101         if(Gdk::ModifierType(event->state)&GDK_SHIFT_MASK)
1102                 multiplier=10.0;
1103
1104         Vector nudge;
1105         switch(event->keyval)
1106         {
1107                 case GDK_Left:
1108                         nudge=Vector(-pw,0);
1109                         break;
1110                 case GDK_Right:
1111                         nudge=Vector(pw,0);
1112                         break;
1113                 case GDK_Up:
1114                         nudge=Vector(0,-ph);
1115                         break;
1116                 case GDK_Down:
1117                         nudge=Vector(0,ph);
1118                         break;
1119                 default:
1120                         return false;
1121                         break;
1122         }
1123
1124         synfigapp::Action::PassiveGrouper grouper(instance.get(),"Nudge");
1125
1126         // Grid snap does not apply to nudging
1127         bool grid_snap_holder(get_grid_snap());
1128         bool guide_snap_holder(get_guide_snap());
1129         set_grid_snap(false);
1130
1131         try {
1132                 start_duck_drag(get_selected_duck()->get_trans_point());
1133                 translate_selected_ducks(get_selected_duck()->get_trans_point()+nudge*multiplier);
1134                 end_duck_drag();
1135         }
1136         catch(String)
1137         {
1138                 canvas_view->duck_refresh_flag=true;
1139                 canvas_view->queue_rebuild_ducks();
1140         }
1141
1142         set_grid_snap(grid_snap_holder);
1143         set_guide_snap(guide_snap_holder);
1144
1145         return true;
1146 }
1147
1148 bool
1149 WorkArea::on_drawing_area_event(GdkEvent *event)
1150 {
1151         synfig::Point mouse_pos;
1152     float bezier_click_pos;
1153         const float radius((abs(pw)+abs(ph))*4);
1154         int button_pressed(0);
1155         float pressure(0);
1156         bool is_mouse(false);
1157         Gdk::ModifierType modifier(Gdk::ModifierType(0));
1158
1159         drawing_area->grab_focus();
1160
1161         // Handle input stuff
1162         if(
1163                 event->any.type==GDK_MOTION_NOTIFY ||
1164                 event->any.type==GDK_BUTTON_PRESS ||
1165                 event->any.type==GDK_2BUTTON_PRESS ||
1166                 event->any.type==GDK_3BUTTON_PRESS ||
1167                 event->any.type==GDK_BUTTON_RELEASE
1168         )
1169         {
1170                 GdkDevice *device;
1171                 if(event->any.type==GDK_MOTION_NOTIFY)
1172                 {
1173                         device=event->motion.device;
1174                         modifier=Gdk::ModifierType(event->motion.state);
1175                 }
1176                 else
1177                 {
1178                         device=event->button.device;
1179                         modifier=Gdk::ModifierType(event->button.state);
1180                 }
1181
1182                 // Make sure we recognise the device
1183                 if(curr_input_device)
1184                 {
1185                         if(curr_input_device!=device)
1186                         {
1187                                 assert(device);
1188                                 curr_input_device=device;
1189                                 signal_input_device_changed()(curr_input_device);
1190                         }
1191                 }
1192                 else if(device)
1193                 {
1194                         curr_input_device=device;
1195                         signal_input_device_changed()(curr_input_device);
1196                 }
1197
1198                 assert(curr_input_device);
1199
1200                 // Calculate the position of the
1201                 // input device in canvas coordinates
1202                 // and the buttons
1203                 if(!event->button.axes)
1204                 {
1205                         mouse_pos=synfig::Point(screen_to_comp_coords(synfig::Point(event->button.x,event->button.y)));
1206                         button_pressed=event->button.button;
1207                         pressure=1.0f;
1208                         is_mouse=true;
1209                         if(isnan(event->button.x) || isnan(event->button.y))
1210                                 return false;
1211                 }
1212                 else
1213                 {
1214                         double x(event->button.axes[0]);
1215                         double y(event->button.axes[1]);
1216                         if(isnan(x) || isnan(y))
1217                                 return false;
1218
1219                         pressure=event->button.axes[2];
1220                         //synfig::info("pressure=%f",pressure);
1221                         pressure-=0.04f;
1222                         pressure/=1.0f-0.04f;
1223
1224
1225                         assert(!isnan(pressure));
1226
1227                         mouse_pos=synfig::Point(screen_to_comp_coords(synfig::Point(x,y)));
1228
1229                         button_pressed=event->button.button;
1230
1231                         if(button_pressed==1 && pressure<0 && (event->any.type!=GDK_BUTTON_RELEASE && event->any.type!=GDK_BUTTON_PRESS))
1232                                 button_pressed=0;
1233                         if(pressure<0)
1234                                 pressure=0;
1235
1236                         //if(event->any.type==GDK_BUTTON_PRESS && button_pressed)
1237                         //      synfig::info("Button pressed on input device = %d",event->button.button);
1238
1239                         //if(event->button.axes[2]>0.1)
1240                         //      button_pressed=1;
1241                         //else
1242                         //      button_pressed=0;
1243                 }
1244         }
1245
1246
1247         // Handle the renderables
1248         {
1249                 std::set<etl::handle<WorkAreaRenderer> >::iterator iter;
1250                 for(iter=renderer_set_.begin();iter!=renderer_set_.end();++iter)
1251                 {
1252                         if((*iter)->get_enabled())
1253                                 if((*iter)->event_vfunc(event))
1254                                 {
1255                                         // Event handled. Return true.
1256                                         return true;
1257                                 }
1258                 }
1259         }
1260
1261         // Event hasn't been handled, pass it down
1262         switch(event->type)
1263     {
1264         case GDK_BUTTON_PRESS:
1265                 {
1266                 switch(button_pressed)
1267                 {
1268                 case 1: // Attempt to click on a duck
1269                 {
1270                         etl::handle<Duck> duck;
1271                         dragging=DRAG_NONE;
1272
1273                         if(allow_duck_clicks)
1274                         {
1275                                 duck=find_duck(mouse_pos,radius);
1276
1277                                 if(duck)
1278                                 {
1279                                         clicked_duck=0;
1280                                         if(duck_is_selected(duck))
1281                                         {
1282                                                 clicked_duck=duck;
1283                                         }
1284                                         else
1285                                         {
1286                                                 if(modifier&GDK_SHIFT_MASK)
1287                                                 {
1288                                                         select_duck(duck);
1289                                                 }
1290                                                 else if(modifier&GDK_CONTROL_MASK)
1291                                                 {
1292                                                         select_duck(duck);
1293                                                 }
1294                                                 else
1295                                                 {
1296                                                         clear_selected_ducks();
1297                                                         select_duck(duck);
1298                                                 }
1299                                         }
1300                                 }
1301                         }
1302                         //else
1303                         //      clear_selected_ducks();
1304
1305
1306
1307                         selected_bezier=find_bezier(mouse_pos,radius,&bezier_click_pos);
1308                         if(duck && duck->get_editable())
1309                         {
1310                                 //get_selected_duck()->signal_user_click(0)();
1311                                 //if(clicked_duck)clicked_duck->signal_user_click(0)();
1312                                 dragging=DRAG_DUCK;
1313                                 drag_point=mouse_pos;
1314                                 //drawing_area->queue_draw();
1315                                 start_duck_drag(mouse_pos);
1316                                 get_canvas_view()->reset_cancel_status();
1317                                 return true;
1318                         }
1319 // I commented out this section because
1320 // it was causing issues when rotoscoping.
1321 // At the moment, we don't need it, so
1322 // this was the easiest way to fix the problem.
1323 /*
1324                         else
1325                         if(selected_bezier)
1326                         {
1327                                 selected_duck=0;
1328                                 selected_bezier->signal_user_click(0)(bezier_click_pos);
1329                         }
1330 */
1331                         else
1332                         {
1333                                 //clear_selected_ducks();
1334                                 selected_bezier=0;
1335                                 if(canvas_view->get_smach().process_event(EventMouse(EVENT_WORKAREA_MOUSE_BUTTON_DOWN,BUTTON_LEFT,mouse_pos,pressure,modifier))==Smach::RESULT_OK)
1336                                 {
1337                                         // Check for a guide click
1338                                         GuideList::iterator iter;
1339
1340                                         iter=find_guide_x(mouse_pos,radius);
1341                                         if(iter==get_guide_list_x().end())
1342                                         {
1343                                                 curr_guide_is_x=false;
1344                                                 iter=find_guide_y(mouse_pos,radius);
1345                                         }
1346                                         else
1347                                                 curr_guide_is_x=true;
1348                                         if(iter!=get_guide_list_x().end() && iter!=get_guide_list_y().end())
1349                                         {
1350                                                 dragging=DRAG_GUIDE;
1351                                                 curr_guide=iter;
1352                                                 return true;
1353                                         }
1354
1355
1356                                         // All else fails, try making a selection box
1357                                         dragging=DRAG_BOX;
1358                                         curr_point=drag_point=mouse_pos;
1359                                         return true;
1360                                 }
1361                         }
1362                         break;
1363                 }
1364                 case 2: // Attempt to drag and move the window
1365                 {
1366                         etl::handle<Duck> duck=find_duck(mouse_pos,radius);
1367                         etl::handle<Bezier> bezier=find_bezier(mouse_pos,radius,&bezier_click_pos);
1368                         if(duck)
1369                                 duck->signal_user_click(1)();
1370                         else
1371                         if(bezier)
1372                                 bezier->signal_user_click(1)(bezier_click_pos);
1373
1374                         if(canvas_view->get_smach().process_event(EventMouse(EVENT_WORKAREA_MOUSE_BUTTON_DOWN,BUTTON_MIDDLE,mouse_pos,pressure,modifier))==Smach::RESULT_OK)
1375                         if(is_mouse)
1376                         {
1377                                 dragging=DRAG_WINDOW;
1378                                 drag_point=mouse_pos;
1379                                 signal_user_click(1)(mouse_pos);
1380                         }
1381                         break;
1382                 }
1383                 case 3: // Attempt to either get info on a duck, or open the menu
1384                 {
1385                         etl::handle<Duck> duck=find_duck(mouse_pos,radius);
1386                         etl::handle<Bezier> bezier=find_bezier(mouse_pos,radius,&bezier_click_pos);
1387
1388                         Layer::Handle layer(get_canvas()->find_layer(mouse_pos));
1389                         if(duck)
1390                         {
1391                                 if(get_selected_ducks().size()<=1)
1392                                         duck->signal_user_click(2)();
1393                                 else
1394                                 {
1395                                         canvas_view->get_smach().process_event(EventMouse(EVENT_WORKAREA_MULTIPLE_DUCKS_CLICKED,BUTTON_RIGHT,mouse_pos,pressure,modifier));
1396                                 }
1397                                 return true;
1398                         }
1399                         else
1400                         if(bezier)
1401                         {
1402                                 bezier->signal_user_click(2)(bezier_click_pos);
1403                                 return true;
1404                         }
1405                         else
1406                         if(layer)
1407                         {
1408                                 if(canvas_view->get_smach().process_event(EventLayerClick(layer,BUTTON_RIGHT,mouse_pos))==Smach::RESULT_OK)
1409                                         return false;
1410                                 return true;
1411                         }
1412                         else
1413                                 canvas_view->get_smach().process_event(EventMouse(EVENT_WORKAREA_MOUSE_BUTTON_DOWN,BUTTON_RIGHT,mouse_pos,pressure,modifier));
1414                         /*
1415                         if(canvas_view->get_smach().process_event(EventMouse(EVENT_WORKAREA_MOUSE_BUTTON_DOWN,BUTTON_RIGHT,mouse_pos,pressure,modifier))==Smach::RESULT_OK)
1416                         {
1417                                 //popup_menu();
1418                                 return true;
1419                         }
1420                         */
1421                         break;
1422                 }
1423                 case 4:
1424                         signal_user_click(3)(mouse_pos);
1425                         break;
1426                 case 5:
1427                         signal_user_click(4)(mouse_pos);
1428                         break;
1429                 default:
1430                         break;
1431                 }
1432                 }
1433                 break;
1434         case GDK_MOTION_NOTIFY:
1435                 curr_point=mouse_pos;
1436
1437                 if(event->motion.time-last_event_time<25)
1438                         return true;
1439                 else
1440                         last_event_time=event->motion.time;
1441
1442                 signal_cursor_moved_();
1443
1444                 // Guide/Duck hilights on hover
1445                 if(dragging==DRAG_NONE)
1446                 {
1447                         GuideList::iterator iter;
1448
1449                         iter=find_guide_x(mouse_pos,radius);
1450                         if(iter==get_guide_list_x().end())
1451                                 iter=find_guide_y(mouse_pos,radius);
1452
1453                         if(iter!=curr_guide)
1454                         {
1455                                 curr_guide=iter;
1456                                 drawing_area->queue_draw();
1457                         }
1458
1459                         etl::handle<Duck> duck;
1460                         duck=find_duck(mouse_pos,radius);
1461                         if(duck!=hover_duck)
1462                         {
1463                                 hover_duck=duck;
1464                                 drawing_area->queue_draw();
1465                         }
1466                 }
1467
1468
1469                 if(dragging==DRAG_DUCK)
1470                 {
1471                         if(canvas_view->get_cancel_status())
1472                         {
1473                                 dragging=DRAG_NONE;
1474                                 canvas_view->queue_rebuild_ducks();
1475                                 return true;
1476                         }
1477                         /*
1478                         Point point((mouse_pos-selected_duck->get_origin())/selected_duck->get_scalar());
1479                         if(get_grid_snap())
1480                         {
1481                                 point[0]=floor(point[0]/grid_size[0]+0.5)*grid_size[0];
1482                                 point[1]=floor(point[1]/grid_size[1]+0.5)*grid_size[1];
1483                         }
1484                         selected_duck->set_point(point);
1485                         */
1486
1487                         //Point p(mouse_pos);
1488
1489                         set_axis_lock(event->motion.state&GDK_SHIFT_MASK);
1490
1491                         translate_selected_ducks(mouse_pos);
1492
1493                         drawing_area->queue_draw();
1494                 }
1495                 if(dragging==DRAG_BOX)
1496                 {
1497                         curr_point=mouse_pos;
1498                         drawing_area->queue_draw();
1499                 }
1500                 if(dragging==DRAG_GUIDE)
1501                 {
1502                         if(curr_guide_is_x)
1503                                 *curr_guide=mouse_pos[0];
1504                         else
1505                                 *curr_guide=mouse_pos[1];
1506                         drawing_area->queue_draw();
1507                 }
1508                 if(dragging!=DRAG_WINDOW)
1509                 {       // Update those triangle things on the rulers
1510                         const synfig::Point point(mouse_pos);
1511                         hruler->property_position()=Distance(point[0],Distance::SYSTEM_UNITS).get(App::distance_system,get_canvas()->rend_desc());
1512                         vruler->property_position()=Distance(point[1],Distance::SYSTEM_UNITS).get(App::distance_system,get_canvas()->rend_desc());
1513                 }
1514                 if(dragging==DRAG_WINDOW)
1515                 {
1516                         set_focus_point(get_focus_point()+mouse_pos-drag_point);
1517                 }
1518                 else
1519                 if(event->motion.state&GDK_BUTTON1_MASK && canvas_view->get_smach().process_event(EventMouse(EVENT_WORKAREA_MOUSE_BUTTON_DRAG,BUTTON_LEFT,mouse_pos,pressure,modifier))==Smach::RESULT_ACCEPT)
1520                         return true;
1521                 else
1522                 if(event->motion.state&GDK_BUTTON2_MASK && canvas_view->get_smach().process_event(EventMouse(EVENT_WORKAREA_MOUSE_BUTTON_DRAG,BUTTON_MIDDLE,mouse_pos,pressure,modifier))==Smach::RESULT_ACCEPT)
1523                         return true;
1524                 else
1525                 if(event->motion.state&GDK_BUTTON3_MASK && canvas_view->get_smach().process_event(EventMouse(EVENT_WORKAREA_MOUSE_BUTTON_DRAG,BUTTON_RIGHT,mouse_pos,pressure,modifier))==Smach::RESULT_ACCEPT)
1526                         return true;
1527                 else
1528                 if(canvas_view->get_smach().process_event(EventMouse(EVENT_WORKAREA_MOUSE_MOTION,BUTTON_NONE,mouse_pos,pressure,modifier))==Smach::RESULT_ACCEPT)
1529                         return true;
1530
1531                 break;
1532         case GDK_BUTTON_RELEASE:
1533         {
1534                 bool ret(false);
1535
1536                 if(dragging==DRAG_GUIDE)
1537                 {
1538                         dragging=DRAG_NONE;
1539                         save_meta_data();
1540                         return true;
1541                 }
1542                 else
1543                 if(dragging==DRAG_DUCK)
1544                 {
1545                         synfigapp::Action::PassiveGrouper grouper(instance.get(),"Move");
1546                         dragging=DRAG_NONE;
1547                         //translate_selected_ducks(mouse_pos);
1548                         set_axis_lock(false);
1549
1550                         try{
1551                         get_canvas_view()->duck_refresh_flag=false;
1552                         get_canvas_view()->duck_refresh_needed=false;
1553                         const bool drag_did_anything(end_duck_drag());
1554                         get_canvas_view()->duck_refresh_flag=true;
1555                         if(!drag_did_anything)
1556                         {
1557                                 //etl::handle<Duck> duck=find_duck(mouse_pos,radius);
1558
1559                                 if(modifier&GDK_SHIFT_MASK)
1560                                 {
1561                                         //synfig::info("DUCK_DRAG_RELEASE: SHIFT-MASK ON!");
1562                                         if(clicked_duck)
1563                                         {
1564                                                 //synfig::info("DUCK_DRAG_RELEASE: CLICKED DUCK!");
1565                                                 unselect_duck(clicked_duck);
1566                                         }
1567                                 }
1568                                 else if(modifier&GDK_CONTROL_MASK)
1569                                 {
1570                                         //synfig::info("DUCK_DRAG_RELEASE: CONTROL-MASK ON!");
1571                                         if(clicked_duck)
1572                                         {
1573                                                 //synfig::info("DUCK_DRAG_RELEASE: CLICKED DUCK!");
1574                                                 unselect_duck(clicked_duck);
1575                                         }
1576                                 }
1577                                 else
1578                                 {
1579                                         //synfig::info("DUCK_DRAG_RELEASE: NO MASK!");
1580                                         if(clicked_duck)
1581                                         {
1582                                                 //synfig::info("DUCK_DRAG_RELEASE: CLICKED DUCK!");
1583                                                 clear_selected_ducks();
1584                                                 select_duck(clicked_duck);
1585                                         }
1586                                 }
1587                                 if(clicked_duck)clicked_duck->signal_user_click(0)();
1588                         }
1589                         else
1590                         {
1591                                 if(canvas_view->duck_refresh_needed)
1592                                         canvas_view->queue_rebuild_ducks();
1593                                 return true;
1594                         }
1595                         }catch(String)
1596                         {
1597                                 canvas_view->duck_refresh_flag=true;
1598                                 canvas_view->queue_rebuild_ducks();
1599                                 return true;
1600                         }
1601                         //queue_draw();
1602                         clicked_duck=0;
1603
1604                         ret=true;
1605                 }
1606
1607                 if(dragging==DRAG_BOX)
1608                 {
1609                         dragging=DRAG_NONE;
1610                         if((drag_point-mouse_pos).mag()>radius/2.0f)
1611                         {
1612                                 if(canvas_view->get_smach().process_event(EventBox(drag_point,mouse_pos,MouseButton(event->button.button),modifier))==Smach::RESULT_ACCEPT)
1613                                         return true;
1614
1615                                 if(!(modifier&GDK_CONTROL_MASK) && !(modifier&GDK_SHIFT_MASK))
1616                                         clear_selected_ducks();
1617                                 select_ducks_in_box(drag_point,mouse_pos);
1618                                 ret=true;
1619                         }
1620                         else
1621                         {
1622                                 if(allow_layer_clicks)
1623                                 {
1624                                         Layer::Handle layer(get_canvas()->find_layer(drag_point));
1625                                         //if(layer)
1626                                         {
1627                                                 if(canvas_view->get_smach().process_event(EventLayerClick(layer,BUTTON_LEFT,mouse_pos,modifier))==Smach::RESULT_OK)
1628                                                         signal_layer_selected_(layer);
1629                                                 ret=true;
1630                                         }
1631                                 }
1632                                 else
1633                                 {
1634                                         signal_user_click(0)(mouse_pos);
1635                                 }
1636                         }
1637                 }
1638
1639                 dragging=DRAG_NONE;
1640
1641                 if(canvas_view->get_smach().process_event(EventMouse(EVENT_WORKAREA_MOUSE_BUTTON_UP,MouseButton(event->button.button),mouse_pos,pressure,modifier))==Smach::RESULT_ACCEPT)
1642                         ret=true;
1643
1644                 return ret;
1645         }
1646                 break;
1647         default:
1648                 break;
1649         }
1650                 return false;
1651 }
1652
1653 bool
1654 WorkArea::on_hruler_event(GdkEvent *event)
1655 {
1656 /*
1657         switch(event->type)
1658     {
1659         case GDK_BUTTON_PRESS:
1660                 if(dragging==DRAG_NONE)
1661                 {
1662                         dragging=DRAG_GUIDE;
1663                         curr_guide=get_guide_list_y().insert(get_guide_list_y().begin());
1664                         curr_guide_is_x=false;
1665                 }
1666                 return true;
1667                 break;
1668
1669         case GDK_MOTION_NOTIFY:
1670                 // Guide movement
1671                 if(dragging==DRAG_GUIDE && curr_guide_is_x==false)
1672                 {
1673                         double y,x;
1674                         if(event->button.axes)
1675                         {
1676                                 x=(event->button.axes[0]);
1677                                 y=(event->button.axes[1]);
1678                         }
1679                         else
1680                         {
1681                                 x=event->button.x;
1682                                 y=event->button.y;
1683                         }
1684
1685                         if(isnan(y) || isnan(x))
1686                                 return false;
1687
1688                         *curr_guide=synfig::Point(screen_to_comp_coords(synfig::Point(x,y)))[1];
1689
1690                         queue_draw();
1691                 }
1692                 return true;
1693                 break;
1694
1695         case GDK_BUTTON_RELEASE:
1696                 if(dragging==DRAG_GUIDE && curr_guide_is_x==false)
1697                 {
1698                         dragging=DRAG_NONE;
1699                         get_guide_list_y().erase(curr_guide);
1700                 }
1701                 break;
1702                 return true;
1703         default:
1704                 break;
1705         }
1706 */
1707         return false;
1708 }
1709
1710 bool
1711 WorkArea::on_vruler_event(GdkEvent *event)
1712 {
1713 /*
1714         switch(event->type)
1715     {
1716         case GDK_BUTTON_PRESS:
1717                 DEBUGPOINT();
1718                 if(dragging==DRAG_NONE)
1719                 {
1720                         DEBUGPOINT();
1721                         dragging=DRAG_GUIDE;
1722                         curr_guide=get_guide_list_x().insert(get_guide_list_x().begin());
1723                         curr_guide_is_x=true;
1724                 }
1725                 return true;
1726                 break;
1727         case GDK_BUTTON_RELEASE:
1728                 DEBUGPOINT();
1729                 if(dragging==DRAG_GUIDE && curr_guide_is_x==true)
1730                 {
1731                         DEBUGPOINT();
1732                         dragging=DRAG_NONE;
1733                         get_guide_list_x().erase(curr_guide);
1734                 }
1735                 break;
1736                 return true;
1737         default:
1738                 break;
1739         }
1740 */
1741         return false;
1742 }
1743
1744
1745 void
1746 WorkArea::refresh_dimension_info()
1747 {
1748         synfig::RendDesc &rend_desc(get_canvas()->rend_desc());
1749
1750         canvaswidth=rend_desc.get_br()[0]-rend_desc.get_tl()[0];
1751         canvasheight=rend_desc.get_br()[1]-rend_desc.get_tl()[1];
1752
1753         pw=canvaswidth/w;
1754         ph=canvasheight/h;
1755
1756         scrollx_adjustment.set_page_increment(abs(get_grid_size()[0]));
1757         scrollx_adjustment.set_step_increment(abs(pw));
1758         scrollx_adjustment.set_lower(-abs(canvaswidth));
1759         scrollx_adjustment.set_upper(abs(canvaswidth));
1760         scrolly_adjustment.set_lower(-abs(canvasheight));
1761         scrolly_adjustment.set_upper(abs(canvasheight));
1762         scrolly_adjustment.set_step_increment(abs(ph));
1763         scrolly_adjustment.set_page_increment(abs(get_grid_size()[1]));
1764
1765
1766
1767         if(drawing_area->get_width()<=0 || drawing_area->get_height()<=0 || w==0 || h==0)
1768                 return;
1769
1770         const synfig::Point focus_point(get_focus_point());
1771         const synfig::Real x(focus_point[0]/pw+drawing_area->get_width()/2-w/2);
1772         const synfig::Real y(focus_point[1]/ph+drawing_area->get_height()/2-h/2);
1773
1774         window_tl[0]=rend_desc.get_tl()[0]-pw*x;
1775         window_br[0]=rend_desc.get_br()[0]+pw*(drawing_area->get_width()-x-w);
1776
1777         window_tl[1]=rend_desc.get_tl()[1]-ph*y;
1778         window_br[1]=rend_desc.get_br()[1]+ph*(drawing_area->get_height()-y-h);
1779
1780         hruler->property_lower()=Distance(window_tl[0],Distance::SYSTEM_UNITS).get(App::distance_system,rend_desc);
1781         hruler->property_upper()=Distance(window_br[0],Distance::SYSTEM_UNITS).get(App::distance_system,rend_desc);
1782         vruler->property_lower()=Distance(window_tl[1],Distance::SYSTEM_UNITS).get(App::distance_system,rend_desc);
1783         vruler->property_upper()=Distance(window_br[1],Distance::SYSTEM_UNITS).get(App::distance_system,rend_desc);
1784
1785         view_window_changed();
1786 }
1787
1788
1789 synfig::Point
1790 WorkArea::screen_to_comp_coords(synfig::Point pos)const
1791 {
1792         synfig::RendDesc &rend_desc(get_canvas()->rend_desc());
1793         //synfig::Vector::value_type canvaswidth=rend_desc.get_br()[0]-rend_desc.get_tl()[0];
1794         //synfig::Vector::value_type canvasheight=rend_desc.get_br()[1]-rend_desc.get_tl()[1];
1795         //synfig::Vector::value_type pw=canvaswidth/w;
1796         //synfig::Vector::value_type ph=canvasheight/h;
1797         Vector focus_point=get_focus_point();
1798         synfig::Vector::value_type x=focus_point[0]/pw+drawing_area->get_width()/2-w/2;
1799         synfig::Vector::value_type y=focus_point[1]/ph+drawing_area->get_height()/2-h/2;
1800
1801         return rend_desc.get_tl()-synfig::Point(pw*x,ph*y)+synfig::Point(pw*pos[0],ph*pos[1]);
1802 }
1803
1804 synfig::Point
1805 WorkArea::comp_to_screen_coords(synfig::Point pos)const
1806 {
1807         synfig::warning("WorkArea::comp_to_screen_coords: Not yet implemented");
1808         return synfig::Point();
1809 }
1810
1811 int
1812 WorkArea::next_unrendered_tile(int refreshes)const
1813 {
1814         //assert(!tile_book.empty());
1815         if(tile_book.empty())
1816                 return -1;
1817
1818         //const synfig::RendDesc &rend_desc(get_canvas()->rend_desc());
1819
1820         const synfig::Vector focus_point(get_focus_point());
1821
1822         // Calculate the window coordinates of the top-left
1823         // corner of the canvas.
1824         const synfig::Vector::value_type
1825                 x(focus_point[0]/pw+drawing_area->get_width()/2-w/2),
1826                 y(focus_point[1]/ph+drawing_area->get_height()/2-h/2);
1827
1828         const int width_in_tiles(w/tile_w+(w%tile_w?1:0));
1829         const int height_in_tiles(h/tile_h+(h%tile_h?1:0));
1830
1831         int
1832                 u(0),v(0),
1833                 u1(int(-x/tile_w)),
1834                 v1(int(-y/tile_h)),
1835                 u2(int((-x+drawing_area->get_width())/tile_w+1)),
1836                 v2(int((-y+drawing_area->get_height())/tile_h+1));
1837
1838         if(u2>width_in_tiles)u2=width_in_tiles;
1839         if(v2>height_in_tiles)v2=height_in_tiles;
1840         if(u1<0)u1=0;
1841         if(v1<0)v1=0;
1842
1843         int last_good_tile(-1);
1844
1845         for(v=v1;v<v2;v++)
1846                 for(u=u1;u<u2;u++)
1847                 {
1848                         int index(v*width_in_tiles+u);
1849                         if(tile_book[index].second<refreshes)
1850                         {
1851                                 last_good_tile=index;
1852                                 if(rand()%8==0)
1853                                         return index;
1854                         }
1855                 }
1856         return last_good_tile;
1857 }
1858
1859 /*
1860 template <typename F, typename T=WorkAreaRenderer, typename R=typename F::result_type>
1861 class handle2ptr_t : public std::unary_function<typename etl::handle<T>,R>
1862 {
1863 private:
1864         F func;
1865 public:
1866         handle2ptr_t(const F &func):func(func) { };
1867
1868         R operator()(typename etl::handle<T> x) { return func(*x); }
1869 };
1870
1871 template <typename F>
1872 handle2ptr_t<F>
1873 handle2ptr(F func)
1874 {
1875         return handle2ptr_t<F>(func);
1876 }
1877         for_each(
1878                 renderer_set_.begin(),
1879                 renderer_set_.end(),
1880                 handle2ptr(
1881                         sigc::bind(
1882                                 sigc::bind(
1883                                         sigc::mem_fun(
1884                                                 &WorkAreaRenderer::render_vfunc
1885                                         ),
1886                                         Gdk::Rectangle(event->area)
1887                                 ),
1888                                 drawing_area->get_window()
1889                         )
1890                 )
1891         );
1892 */
1893
1894 bool
1895 WorkArea::refresh(GdkEventExpose*event)
1896 {
1897         assert(get_canvas());
1898
1899         drawing_area->get_window()->clear();
1900
1901         //const synfig::RendDesc &rend_desc(get_canvas()->rend_desc());
1902
1903         const synfig::Vector focus_point(get_focus_point());
1904
1905         // Update the old focus point
1906         last_focus_point=focus_point;
1907
1908         // Draw out the renderables
1909         {
1910                 std::set<etl::handle<WorkAreaRenderer> >::iterator iter;
1911                 for(iter=renderer_set_.begin();iter!=renderer_set_.end();++iter)
1912                 {
1913                         if((*iter)->get_enabled())
1914                                 (*iter)->render_vfunc(
1915                                         drawing_area->get_window(),
1916                                         Gdk::Rectangle(&event->area)
1917                                 );
1918                 }
1919         }
1920
1921
1922         // Calculate the window coordinates of the top-left
1923         // corner of the canvas.
1924         //const synfig::Vector::value_type
1925         //      x(focus_point[0]/pw+drawing_area->get_width()/2-w/2),
1926         //      y(focus_point[1]/ph+drawing_area->get_height()/2-h/2);
1927
1928         //const synfig::Vector::value_type window_startx(window_tl[0]);
1929         //const synfig::Vector::value_type window_endx(window_br[0]);
1930         //const synfig::Vector::value_type window_starty(window_tl[1]);
1931         //const synfig::Vector::value_type window_endy(window_br[1]);
1932
1933         Glib::RefPtr<Gdk::GC> gc=Gdk::GC::create(drawing_area->get_window());
1934
1935
1936
1937         // If we are in animate mode, draw a red border around the screen
1938         if(canvas_interface->get_mode()&synfigapp::MODE_ANIMATE)
1939         {
1940                 /*gc->set_rgb_fg_color(Gdk::Color("#FF0000"));
1941                 gc->set_line_attributes(1,Gdk::LINE_SOLID,Gdk::CAP_BUTT,Gdk::JOIN_MITER);
1942                 drawing_area->get_window()->draw_rectangle(
1943                         gc,
1944                         false,  // Fill?
1945                         0,0,    // x,y
1946                         drawing_area->get_width()-1,drawing_area->get_height()-1        //w,h
1947                 );
1948                 */
1949                 drawing_frame->modify_bg(Gtk::STATE_NORMAL,Gdk::Color("#FF0000"));
1950                 //get_window()->set_background(Gdk::Color("#FF0000"));
1951         }
1952         else
1953                 drawing_frame->unset_bg(Gtk::STATE_NORMAL);
1954
1955
1956
1957         previous_focus=get_focus_point();
1958
1959         return true;
1960 }
1961
1962 void
1963 WorkArea::done_rendering()
1964 {
1965 /*
1966         assert(buffer);
1967         assert(w>0);
1968         assert(h>0);
1969         pix_buf=Gdk::Pixbuf::create_from_data(
1970                 buffer, // pointer to the data
1971                 Gdk::COLORSPACE_RGB, // the colorspace
1972                 true, // has alpha?
1973                 8, // bits per sample
1974                 w,      // width
1975                 h,      // height
1976                 w*bpp); // stride (pitch)
1977         assert(pix_buf);
1978 */
1979 }
1980
1981
1982 void
1983 WorkArea::set_quality(int x)
1984 {
1985         if(x==quality)
1986                 return;
1987         quality=x;
1988         queue_render_preview();
1989 }
1990
1991
1992 class WorkAreaProgress : public synfig::ProgressCallback
1993 {
1994         WorkArea *work_area;
1995         ProgressCallback *cb;
1996
1997 public:
1998
1999         WorkAreaProgress(WorkArea *work_area,ProgressCallback *cb):
2000                 work_area(work_area),cb(cb)
2001         {
2002                 assert(cb);
2003         }
2004
2005         virtual bool
2006         task(const std::string &str)
2007         {
2008                 if(work_area->dirty)
2009                         return false;
2010                 return cb->task(str);
2011         }
2012
2013         virtual bool
2014         error(const std::string &err)
2015         {
2016                 if(work_area->dirty)
2017                         return false;
2018                 return cb->error(err);
2019         }
2020
2021         virtual bool
2022         amount_complete(int current, int total)
2023         {
2024                 if(work_area->dirty)
2025                         return false;
2026                 return cb->amount_complete(current,total);
2027         }
2028 };
2029
2030 bool
2031 studio::WorkArea::async_update_preview()
2032 {
2033         async_renderer=0;
2034
2035         queued=false;
2036         canceled_=false;
2037         get_canvas_view()->reset_cancel_status();
2038
2039         // This object will mark us as busy until
2040         // we are done.
2041         //studio::App::Busy busy;
2042
2043         //WorkAreaProgress callback(this,get_canvas_view()->get_ui_interface().get());
2044         //synfig::ProgressCallback *cb=&callback;
2045
2046         if(!is_visible())return false;
2047
2048         /*
2049         // If we are queued to render the scene at the next idle
2050         // go ahead and de-queue it.
2051         if(render_idle_func_id)
2052         {
2053                 g_source_remove(render_idle_func_id);
2054                 //queued=false;
2055                 render_idle_func_id=0;
2056         }
2057         */
2058
2059         dirty=false;
2060         get_canvas_view()->reset_cancel_status();
2061
2062         //bool ret=false;
2063         RendDesc desc=get_canvas()->rend_desc();
2064
2065         int w=(int)(desc.get_w()*zoom);
2066         int h=(int)(desc.get_h()*zoom);
2067
2068         // Setup the description parameters
2069         desc.set_antialias(1);
2070         desc.set_time(cur_time);
2071
2072         set_rend_desc(desc);
2073
2074         // Create the render target
2075         handle<Target> target;
2076
2077         if(w*h>(low_resolution?480*270:480*270/2))
2078         {
2079                 handle<WorkAreaTarget> trgt(new class WorkAreaTarget(this,w,h));
2080
2081                 trgt->set_rend_desc(&desc);
2082                 trgt->set_onion_skin(get_onion_skin());
2083                 target=trgt;
2084         }
2085         else
2086         {
2087                 handle<WorkAreaTarget_Full> trgt(new class WorkAreaTarget_Full(this,w,h));
2088
2089                 trgt->set_rend_desc(&desc);
2090                 trgt->set_onion_skin(get_onion_skin());
2091                 target=trgt;
2092         }
2093
2094         // We can rest assured that our time has already
2095         // been set, so there is no need to have to
2096         // recalculate that over again.
2097         // UPDATE: This is kind of needless with
2098         // the way that time is handled now in SYNFIG.
2099         //target->set_avoid_time_sync(true);
2100         async_renderer=new AsyncRenderer(target);
2101         async_renderer->signal_finished().connect(
2102                 sigc::mem_fun(this,&WorkArea::async_update_finished)
2103         );
2104
2105         rendering=true;
2106         async_renderer->start();
2107
2108         synfig::ProgressCallback *cb=get_canvas_view()->get_ui_interface().get();
2109
2110         rendering=true;
2111         cb->task("Rendering...");
2112         rendering=true;
2113
2114         return true;
2115 }
2116
2117 void
2118 studio::WorkArea::async_update_finished()
2119 {
2120         synfig::ProgressCallback *cb=get_canvas_view()->get_ui_interface().get();
2121
2122         rendering=false;
2123
2124         if(!async_renderer)
2125                 return;
2126
2127         // If we completed successfuly, then
2128         // we aren't dirty anymore
2129         if(async_renderer->has_success())
2130         {
2131                 dirty=false;
2132                 //queued=false;
2133                 cb->task("Idle");
2134         }
2135         else
2136         {
2137                 dirty=true;
2138                 cb->task("Render Failed");
2139         }
2140         //get_canvas_view()->reset_cancel_status();
2141         done_rendering();
2142 }
2143
2144 bool
2145 studio::WorkArea::sync_update_preview()
2146 {
2147         //      const Time &time(cur_time);
2148
2149         canceled_=false;
2150         get_canvas_view()->reset_cancel_status();
2151
2152         async_renderer=0;
2153
2154 again:
2155         // This object will mark us as busy until
2156         // we are done.
2157         studio::App::Busy busy;
2158
2159         WorkAreaProgress callback(this,get_canvas_view()->get_ui_interface().get());
2160         synfig::ProgressCallback *cb=&callback;
2161
2162         // We don't want to render if we are already rendering
2163         if(rendering)
2164         {
2165                 dirty=true;
2166                 return false;
2167         }
2168
2169         if(!is_visible())return false;
2170         get_canvas()->set_time(get_time());
2171         get_canvas_view()->get_smach().process_event(EVENT_REFRESH_DUCKS);
2172         signal_rendering()();
2173
2174         // If we are queued to render the scene at the next idle
2175         // go ahead and de-queue it.
2176         if(render_idle_func_id)
2177         {
2178                 g_source_remove(render_idle_func_id);
2179                 //queued=false;
2180                 render_idle_func_id=0;
2181         }
2182         // Start rendering
2183         rendering=true;
2184
2185         dirty=false;
2186         get_canvas_view()->reset_cancel_status();
2187
2188         bool ret=false;
2189         RendDesc desc=get_canvas()->rend_desc();
2190         //newdesc->set_flags(RendDesc::PX_ASPECT|RendDesc::IM_SPAN);
2191
2192         int w=(int)(desc.get_w()*zoom);
2193         int h=(int)(desc.get_h()*zoom);
2194
2195         // Setup the description parameters
2196         desc.set_antialias(1);
2197         desc.set_time(cur_time);
2198         //desc.set_wh(w,h);
2199
2200         set_rend_desc(desc);
2201
2202         // Create the render target
2203         handle<WorkAreaTarget> target(new class WorkAreaTarget(this,w,h));
2204
2205         target->set_rend_desc(&desc);
2206
2207         // We can rest assured that our time has already
2208         // been set, so there is no need to have to
2209         // recalculate that over again.
2210         target->set_avoid_time_sync(true);
2211
2212         if(cb)
2213                 cb->task(strprintf("Rendering canvas %s...",get_canvas()->get_name().c_str()));
2214
2215         target->render(cb);
2216
2217         if(!ret && !get_canvas_view()->get_cancel_status() && dirty)
2218         {
2219                 rendering=false;
2220                 //canceled_=true;
2221                 goto again;
2222         }
2223         if(get_canvas_view()->get_cancel_status())
2224                 canceled_=true;
2225
2226         if(cb)
2227         {
2228                 if(ret)
2229                         cb->task("Idle");
2230                 else
2231                         cb->task("Render Failed");
2232                 cb->amount_complete(0,1);
2233         }
2234
2235         // Refresh the work area to make sure that
2236         // it is being displayed correctly
2237         drawing_area->queue_draw();
2238
2239         // If we completed successfuly, then
2240         // we aren't dirty anymore
2241         if(ret)
2242         {
2243                 dirty=false;
2244                 //queued=false;
2245         }
2246         else dirty=true;
2247         rendering=false;
2248         //get_canvas_view()->reset_cancel_status();
2249         done_rendering();
2250         return ret;
2251 }
2252
2253 void
2254 studio::WorkArea::async_render_preview(Time time)
2255 {
2256         cur_time=time;
2257         //tile_book.clear();
2258
2259         refreshes+=5;
2260         if(!is_visible())return;
2261
2262         get_canvas()->set_time(get_time());
2263         get_canvas_view()->get_smach().process_event(EVENT_REFRESH_DUCKS);
2264         signal_rendering()();
2265
2266         async_update_preview();
2267 }
2268 void
2269 WorkArea::async_render_preview()
2270 {
2271         return async_render_preview(get_canvas_view()->get_time());
2272 }
2273
2274 bool
2275 studio::WorkArea::sync_render_preview(Time time)
2276 {
2277         cur_time=time;
2278         //tile_book.clear();
2279         refreshes+=5;
2280         if(!is_visible())return false;
2281         return sync_update_preview();
2282 }
2283
2284 bool
2285 WorkArea::sync_render_preview()
2286 {
2287         return sync_render_preview(get_canvas_view()->get_time());
2288 }
2289
2290 void
2291 WorkArea::sync_render_preview_hook()
2292 {
2293         sync_render_preview(get_canvas_view()->get_time());
2294 }
2295
2296 void
2297 WorkArea::queue_scroll()
2298 {
2299 //      const synfig::RendDesc &rend_desc(get_canvas()->rend_desc());
2300
2301         const synfig::Point focus_point(get_focus_point());
2302
2303         const synfig::Real
2304                 new_x(focus_point[0]/pw+drawing_area->get_width()/2-w/2),
2305                 new_y(focus_point[1]/ph+drawing_area->get_height()/2-h/2);
2306
2307         const synfig::Real
2308                 old_x(last_focus_point[0]/pw+drawing_area->get_width()/2-w/2),
2309                 old_y(last_focus_point[1]/ph+drawing_area->get_height()/2-h/2);
2310
2311         // If the coordinates didn't change, we shouldn't queue a draw
2312         if(old_x==new_x && old_y==new_y)
2313                 return;
2314
2315         const int
2316                 dx(round_to_int(old_x)-round_to_int(new_x)),
2317                 dy(round_to_int(old_y)-round_to_int(new_y));
2318
2319         drawing_area->get_window()->scroll(-dx,-dy);
2320
2321         /*drawing_area->queue_draw_area(
2322                 0,
2323                 0,
2324                 128,
2325                 64
2326         );
2327         */
2328         last_focus_point=focus_point;
2329 }
2330
2331 void
2332 studio::WorkArea::zoom_in()
2333 {
2334         set_zoom(zoom*1.25);
2335 }
2336
2337 void
2338 studio::WorkArea::zoom_out()
2339 {
2340         set_zoom(zoom/1.25);
2341 }
2342
2343 void
2344 studio::WorkArea::zoom_fit()
2345 {
2346         // This really doesn't zoom to fit. Bug.
2347         zoom_norm();
2348 }
2349
2350 void
2351 studio::WorkArea::zoom_norm()
2352 {
2353         if(zoom==1.0)
2354                 set_zoom(prev_zoom);
2355         else
2356         {
2357                 prev_zoom=zoom;
2358                 set_zoom(1.0f);
2359         }
2360 }
2361
2362 gboolean
2363 studio::WorkArea::__render_preview(gpointer data)
2364 {
2365
2366         WorkArea *work_area(static_cast<WorkArea*>(data));
2367
2368         work_area->queued=false;
2369         work_area->async_render_preview(work_area->get_canvas_view()->get_time());
2370
2371         return 0;
2372 }
2373
2374 void
2375 studio::WorkArea::queue_render_preview()
2376 {
2377         //synfig::info("queue_render_preview(): called for %s", get_canvas_view()->get_time().get_string().c_str());
2378
2379         if(queued==true)
2380         {
2381                 return;
2382                 //synfig::info("queue_render_preview(): already queued, unqueuing");
2383 /*              if(render_idle_func_id)
2384                         g_source_remove(render_idle_func_id);
2385                 render_idle_func_id=0;
2386                 queued=false;
2387 */
2388                 //async_renderer=0;
2389         }
2390
2391         if(dirty_trap_enabled)
2392         {
2393                 dirty_trap_queued++;
2394                 return;
2395         }
2396
2397         int queue_time=50;
2398
2399         if(rendering)
2400                 queue_time+=250;
2401
2402
2403         if(queued==false)
2404         {
2405                 //synfig::info("queue_render_preview(): (re)queuing...");
2406                 //render_idle_func_id=g_idle_add_full(G_PRIORITY_DEFAULT,__render_preview,this,NULL);
2407                 render_idle_func_id=g_timeout_add_full(G_PRIORITY_DEFAULT,queue_time,__render_preview,this,NULL);
2408                 queued=true;
2409         }
2410 /*      else if(rendering)
2411         {
2412                 refreshes+=5;
2413                 dirty=true;
2414                 queue_draw();
2415         }
2416 */
2417 }
2418
2419 DirtyTrap::DirtyTrap(WorkArea *work_area):work_area(work_area)
2420 {
2421         work_area->dirty_trap_enabled=true;
2422
2423         work_area->dirty_trap_queued=0;
2424 }
2425
2426 DirtyTrap::~DirtyTrap()
2427 {
2428         work_area->dirty_trap_enabled=false;
2429         if(work_area->dirty_trap_queued)
2430                 work_area->queue_render_preview();
2431 }
2432
2433 void
2434 studio::WorkArea::queue_draw_preview()
2435 {
2436         drawing_area->queue_draw();
2437 }
2438
2439 void
2440 studio::WorkArea::set_cursor(const Gdk::Cursor& x)
2441 {
2442         drawing_area->get_window()->set_cursor(x);
2443 }
2444 void
2445 studio::WorkArea::set_cursor(Gdk::CursorType x)
2446 {
2447         drawing_area->get_window()->set_cursor(Gdk::Cursor(x));
2448 }
2449
2450 #include "iconcontroler.h"
2451
2452 void
2453 studio::WorkArea::refresh_cursor()
2454 {
2455 //      set_cursor(IconControler::get_tool_cursor(canvas_view->get_smach().get_state_name(),drawing_area->get_window()));
2456 }
2457
2458 void
2459 studio::WorkArea::reset_cursor()
2460 {
2461         drawing_area->get_window()->set_cursor(Gdk::Cursor(Gdk::TOP_LEFT_ARROW));
2462 //      set_cursor(Gdk::TOP_LEFT_ARROW);
2463 }
2464
2465 void
2466 studio::WorkArea::set_zoom(float z)
2467 {
2468         z=max(1.0f/128.0f,min(128.0f,z));
2469         if(z==zoom)
2470                 return;
2471         zoom = z;
2472         refresh_dimension_info();
2473         /*if(async_renderer)
2474         {
2475                 async_renderer->stop();
2476                 async_renderer=0;
2477         }*/
2478         refreshes+=5;
2479         async_update_preview();
2480         //queue_render_preview();
2481 }
2482
2483 void
2484 WorkArea::set_selected_value_node(etl::loose_handle<synfig::ValueNode> x)
2485 {
2486         if(x!=selected_value_node_)
2487         {
2488                 selected_value_node_=x;
2489                 queue_draw();
2490         }
2491 }
2492
2493 void
2494 WorkArea::insert_renderer(const etl::handle<WorkAreaRenderer> &x)
2495 {
2496         renderer_set_.insert(x);
2497         x->set_work_area(this);
2498         queue_draw();
2499 }
2500
2501 void
2502 WorkArea::insert_renderer(const etl::handle<WorkAreaRenderer> &x, int priority)
2503 {
2504         x->set_priority(priority);
2505         insert_renderer(x);
2506 }
2507
2508 void
2509 WorkArea::erase_renderer(const etl::handle<WorkAreaRenderer> &x)
2510 {
2511         x->set_work_area(0);
2512         renderer_set_.erase(x);
2513         queue_draw();
2514 }
2515
2516 void
2517 WorkArea::resort_render_set()
2518 {
2519         std::set<etl::handle<WorkAreaRenderer> > tmp(
2520                 renderer_set_.begin(),
2521                 renderer_set_.end()
2522         );
2523         renderer_set_.swap(tmp);
2524         queue_draw();
2525 }