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Fix silly typo in last commit.
[synfig.git] / synfig-studio / trunk / src / gtkmm / workarea.cpp
blobc4ab7d7a0b2dcff55fc71543b07c7cf7a86a0bd4
1 /* === S Y N F I G ========================================================= */
2 /*! \file workarea.cpp
3 ** \brief Template Header
4 **
5 ** $Id$
6 **
7 ** \legal
8 ** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
9 ** Copyright (c) 2006 Yue Shi Lai
10 ** Copyright (c) 2007, 2008 Chris Moore
11 **
12 ** This package is free software; you can redistribute it and/or
13 ** modify it under the terms of the GNU General Public License as
14 ** published by the Free Software Foundation; either version 2 of
15 ** the License, or (at your option) any later version.
16 **
17 ** This package is distributed in the hope that it will be useful,
18 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
19 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 ** General Public License for more details.
21 ** \endlegal
22 */
23 /* ========================================================================= */
24
25 /* === H E A D E R S ======================================================= */
26
27 #ifdef USING_PCH
28 # include "pch.h"
29 #else
30 #ifdef HAVE_CONFIG_H
31 # include <config.h>
32 #endif
33
34 #include <sigc++/adaptors/hide.h>
35
36 #include "workarea.h"
37 #include "canvasview.h"
38 #include "app.h"
39 #include <gtkmm/window.h>
40 #include <gtkmm/image.h>
41 #include <gtkmm/drawingarea.h>
42 #include <gtkmm/ruler.h>
43 #include <gtkmm/arrow.h>
44 #include <gtkmm/image.h>
45 #include <gtkmm/scrollbar.h>
46 #include <cmath>
47 #include <sigc++/retype_return.h>
48 #include <sigc++/retype.h>
49 #include <sigc++/hide.h>
50 #include <ETL/misc>
51
52 #include <synfig/target_scanline.h>
53 #include <synfig/target_tile.h>
54 #include <synfig/surface.h>
55 #include <synfig/valuenode_composite.h>
56 #include <synfigapp/canvasinterface.h>
57 #include "event_mouse.h"
58 #include "event_layerclick.h"
59 #include "widget_color.h"
60 #include <synfig/distance.h>
61 #include "workarearenderer.h"
62
63 #include "renderer_canvas.h"
64 #include "renderer_grid.h"
65 #include "renderer_guides.h"
66 #include "renderer_timecode.h"
67 #include "renderer_ducks.h"
68 #include "renderer_dragbox.h"
69 #include "renderer_bbox.h"
70 #include "asyncrenderer.h"
71 #include <gtkmm/frame.h>
72
73 #include <synfig/mutex.h>
74
75 #include "general.h"
76
77 #endif
78
79 /* === U S I N G =========================================================== */
80
81 using namespace std;
82 using namespace etl;
83 using namespace synfig;
84 using namespace studio;
85
86 /* === M A C R O S ========================================================= */
87
88 #define RULER_FIX 15
89
90 #ifndef stratof
91 #define stratof(X) (atof((X).c_str()))
92 #define stratoi(X) (atoi((X).c_str()))
93 #endif
94
95
96 /* === G L O B A L S ======================================================= */
97
98 /* === C L A S S E S ======================================================= */
99
100 class studio::WorkAreaTarget : public synfig::Target_Tile
101 {
102 public:
103 WorkArea *workarea;
104 bool low_res;
105 int w,h;
106 int real_tile_w,real_tile_h;
107 //std::vector<Glib::RefPtr<Gdk::Pixbuf> >::iterator tile_iter;
108
109 int twindow_start, twindow_width, twindow_height, twindow_pad;
110 int refresh_id;
111
112 bool onionskin;
113 bool onion_first_tile;
114 int onion_layers;
115
116 std::list<synfig::Time> onion_skin_queue;
117
118 synfig::Mutex mutex;
119
120 void set_onion_skin(bool x)
121 {
122 onionskin=x;
123
124 Time time(rend_desc().get_time_start());
125
126 onion_skin_queue.push_back(time);
127 //onion_skin_queue.push_back(time-1);
128 //onion_skin_queue.push_back(time+1);
129
130 try
131 {
132 onion_skin_queue.push_back(
133 get_canvas()->keyframe_list().find_prev(
134 time
135 )->get_time()
136 );
137 }
138 catch(...)
139 { }
140
141 try
142 {
143 onion_skin_queue.push_back(
144 get_canvas()->keyframe_list().find_next(
145 time
146 )->get_time()
147 );
148 }
149 catch(...)
150 { }
151
152 onion_layers=onion_skin_queue.size();
153
154 onion_first_tile=false;
155 }
156 public:
157
158 WorkAreaTarget(WorkArea *workarea,int w, int h):
159 workarea(workarea),
160 low_res(workarea->get_low_resolution_flag()),
161 w(w),
162 h(h),
163 real_tile_w(workarea->tile_w),
164 real_tile_h(workarea->tile_h),
165 refresh_id(workarea->refreshes),
166 onionskin(false),
167 onion_layers(0)
168 {
169 //set_remove_alpha();
170 //set_avoid_time_sync();
171 set_clipping(true);
172 if(low_res)
173 {
174 int div = workarea->get_low_res_pixel_size();
175 set_tile_w(workarea->tile_w/div);
176 set_tile_h(workarea->tile_h/div);
177 }
178 else
179 {
180 set_tile_w(workarea->tile_w);
181 set_tile_h(workarea->tile_h);
182 }
183 set_canvas(workarea->get_canvas());
184 set_quality(workarea->get_quality());
185 }
186
187 ~WorkAreaTarget()
188 {
189 workarea->queue_draw();
190 }
191
192 virtual bool set_rend_desc(synfig::RendDesc *newdesc)
193 {
194 assert(workarea);
195 newdesc->set_flags(RendDesc::PX_ASPECT|RendDesc::IM_SPAN);
196 if(low_res) {
197 int div = workarea->get_low_res_pixel_size();
198 newdesc->set_wh(w/div,h/div);
199 }
200 else
201 newdesc->set_wh(w,h);
202
203 if(
204 workarea->get_w()!=w
205 || workarea->get_h()!=h
206 ) workarea->set_wh(w,h,4);
207
208 workarea->full_frame=false;
209
210 desc=*newdesc;
211 return true;
212 }
213
214 virtual int total_tiles()const
215 {
216 int tw(rend_desc().get_w()/get_tile_w());
217 int th(rend_desc().get_h()/get_tile_h());
218 if(rend_desc().get_w()%get_tile_w()!=0)tw++;
219 if(rend_desc().get_h()%get_tile_h()!=0)th++;
220 return tw*th;
221 }
222
223 virtual int next_frame(Time& time)
224 {
225 synfig::Mutex::Lock lock(mutex);
226
227 if(!onionskin)
228 return synfig::Target_Tile::next_frame(time);
229
230 onion_first_tile=(onion_layers==(signed)onion_skin_queue.size());
231
232 if(!onion_skin_queue.empty())
233 {
234 time=onion_skin_queue.front();
235 onion_skin_queue.pop_front();
236 }
237 else
238 return 0;
239
240 return onion_skin_queue.size()+1;
241 }
242
243 virtual int next_tile(int& x, int& y)
244 {
245 synfig::Mutex::Lock lock(mutex);
246 //if(workarea->tile_queue.empty()) return 0;
247
248 //int curr_tile(workarea->tile_queue.front());
249 //workarea->tile_queue.pop_front();
250 int curr_tile(workarea->next_unrendered_tile(refresh_id-onion_skin_queue.size()));
251 if(curr_tile<0)
252 return 0;
253
254 // Width of the image(in tiles)
255 int tw(rend_desc().get_w()/get_tile_w());
256 if(rend_desc().get_w()%get_tile_w()!=0)tw++;
257
258 y=(curr_tile/tw)*get_tile_w();
259 x=(curr_tile%tw)*get_tile_h();
260
261 // Mark this tile as "up-to-date"
262 if(onionskin)
263 workarea->tile_book[curr_tile].second=refresh_id-onion_skin_queue.size();
264 else
265 workarea->tile_book[curr_tile].second=refresh_id;
266
267 return total_tiles()-curr_tile+1;
268 }
269
270
271 virtual bool start_frame(synfig::ProgressCallback */*cb*/)
272 {
273 synfig::Mutex::Lock lock(mutex);
274
275 int tw(rend_desc().get_w()/get_tile_w());
276 if(rend_desc().get_w()%get_tile_w()!=0)tw++;
277 int th(rend_desc().get_h()/get_tile_h());
278 if(rend_desc().get_h()%get_tile_h()!=0)th++;
279
280 twindow_start=0;
281 twindow_width=tw;
282 twindow_height=th;
283 twindow_pad=0;
284
285 workarea->tile_book.resize(total_tiles());
286 //tile_iter=workarea->tile_book.begin()+twindow_start;
287 return true;
288 }
289
290 static void free_buff(const guint8 *x) { free(const_cast<guint8*>(x)); }
291
292 virtual bool add_tile(const synfig::Surface &surface, int x, int y)
293 {
294 synfig::Mutex::Lock lock(mutex);
295 assert(surface);
296
297 PixelFormat pf(PF_RGB);
298
299 const int total_bytes(get_tile_w()*get_tile_h()*synfig::channels(pf));
300
301 unsigned char *buffer((unsigned char*)malloc(total_bytes));
302
303 if(!surface || !buffer)
304 return false;
305 {
306 unsigned char *dest(buffer);
307 const Color *src(surface[0]);
308 int w(get_tile_w());
309 int h(get_tile_h());
310 int x(surface.get_w()*surface.get_h());
311 //if(low_res) {
312 // int div = workarea->get_low_res_pixel_size();
313 // w/=div,h/=div;
314 //}
315 Color dark(0.6,0.6,0.6);
316 Color lite(0.8,0.8,0.8);
317 for(int i=0;i<x;i++)
318 dest=Color2PixelFormat(
319 Color::blend(
320 (*(src++)),
321 ((i/surface.get_w())*8/h+(i%surface.get_w())*8/w)&1?dark:lite,
322 1.0f
323 ).clamped(),
324 pf,dest,App::gamma
325 );
326 }
327
328 x/=get_tile_w();
329 y/=get_tile_h();
330 int tw(rend_desc().get_w()/get_tile_w());
331 if(rend_desc().get_w()%get_tile_w()!=0)tw++;
332 unsigned int index=y*tw+x;
333
334 // Sanity check
335 if(index>workarea->tile_book.size())
336 return false;
337
338 Glib::RefPtr<Gdk::Pixbuf> pixbuf;
339
340 pixbuf=Gdk::Pixbuf::create_from_data(
341 buffer, // pointer to the data
342 Gdk::COLORSPACE_RGB, // the colorspace
343 ((pf&PF_A)==PF_A), // has alpha?
344 8, // bits per sample
345 surface.get_w(), // width
346 surface.get_h(), // height
347 surface.get_w()*synfig::channels(pf), // stride (pitch)
348 sigc::ptr_fun(&WorkAreaTarget::free_buff)
349 );
350
351 if(low_res)
352 {
353 // We need to scale up
354 int div = workarea->get_low_res_pixel_size();
355 pixbuf=pixbuf->scale_simple(
356 surface.get_w()*div,
357 surface.get_h()*div,
358 Gdk::INTERP_NEAREST
359 );
360 }
361
362 if(!onionskin || onion_first_tile || !workarea->tile_book[index].first)
363 {
364 workarea->tile_book[index].first=pixbuf;
365 }
366 else
367 {
368 pixbuf->composite(
369 workarea->tile_book[index].first, // Dest
370 0,//int dest_x
371 0,//int dest_y
372 pixbuf->get_width(), // dest width
373 pixbuf->get_height(), // dest_height,
374 0, // double offset_x
375 0, // double offset_y
376 1, // double scale_x
377 1, // double scale_y
378 Gdk::INTERP_NEAREST, // interp
379 255/(onion_layers-onion_skin_queue.size()+1) //int overall_alpha
380 );
381 }
382
383 //if(index%2)
384 workarea->queue_draw();
385 assert(workarea->tile_book[index].first);
386 return true;
387 }
388
389 virtual void end_frame()
390 {
391 //workarea->queue_draw();
392 }
393 };
394
395
396 class studio::WorkAreaTarget_Full : public synfig::Target_Scanline
397 {
398 public:
399 WorkArea *workarea;
400 bool low_res;
401 int w,h;
402 int real_tile_w,real_tile_h;
403 //std::vector<Glib::RefPtr<Gdk::Pixbuf> >::iterator tile_iter;
404
405 int twindow_start, twindow_width, twindow_height, twindow_pad;
406 int refresh_id;
407
408 bool onionskin;
409 bool onion_first_tile;
410 int onion_layers;
411
412 Surface surface;
413
414 std::list<synfig::Time> onion_skin_queue;
415
416 void set_onion_skin(bool x)
417 {
418 onionskin=x;
419
420 Time time(rend_desc().get_time_start());
421
422 onion_skin_queue.push_back(time);
423 //onion_skin_queue.push_back(time-1);
424 //onion_skin_queue.push_back(time+1);
425 if(!onionskin)
426 return;
427
428 try
429 {
430 onion_skin_queue.push_back(
431 get_canvas()->keyframe_list().find_prev(
432 time
433 )->get_time()
434 );
435 }
436 catch(...)
437 { }
438
439 try
440 {
441 onion_skin_queue.push_back(
442 get_canvas()->keyframe_list().find_next(
443 time
444 )->get_time()
445 );
446 }
447 catch(...)
448 { }
449
450 onion_layers=onion_skin_queue.size();
451
452 onion_first_tile=false;
453 }
454 public:
455
456 WorkAreaTarget_Full(WorkArea *workarea,int w, int h):
457 workarea(workarea),
458 low_res(workarea->get_low_resolution_flag()),
459 w(w),
460 h(h),
461 refresh_id(workarea->refreshes),
462 onionskin(false),
463 onion_layers(0)
464 {
465 set_canvas(workarea->get_canvas());
466 set_quality(workarea->get_quality());
467 }
468
469 ~WorkAreaTarget_Full()
470 {
471 }
472
473 virtual bool set_rend_desc(synfig::RendDesc *newdesc)
474 {
475 assert(workarea);
476 newdesc->set_flags(RendDesc::PX_ASPECT|RendDesc::IM_SPAN);
477 if(low_res)
478 {
479 int div = workarea->get_low_res_pixel_size();
480 newdesc->set_wh(w/div,h/div);
481 }
482 else
483 newdesc->set_wh(w,h);
484
485 if(
486 workarea->get_w()!=w
487 || workarea->get_h()!=h
488 ) workarea->set_wh(w,h,4);
489
490 surface.set_wh(newdesc->get_w(),newdesc->get_h());
491
492 desc=*newdesc;
493 workarea->full_frame=true;
494 workarea->tile_book.resize(1);
495 return true;
496 }
497
498 virtual int next_frame(Time& time)
499 {
500 // Mark this tile as "up-to-date"
501 if(onionskin)
502 workarea->tile_book[0].second=refresh_id-onion_skin_queue.size();
503 else
504 workarea->tile_book[0].second=refresh_id;
505
506 if(!onionskin)
507 return synfig::Target_Scanline::next_frame(time);
508
509 onion_first_tile=(onion_layers==(signed)onion_skin_queue.size());
510
511 if(!onion_skin_queue.empty())
512 {
513 time=onion_skin_queue.front();
514 onion_skin_queue.pop_front();
515 }
516 else
517 return 0;
518 return onion_skin_queue.size()+1;
519 }
520
521
522 virtual bool start_frame(synfig::ProgressCallback */*cb*/)
523 {
524 return true;
525 }
526
527 virtual Color * start_scanline(int scanline)
528 {
529 return surface[scanline];
530 }
531
532 virtual bool end_scanline()
533 {
534 return true;
535 }
536
537 static void free_buff(const guint8 *x) { free(const_cast<guint8*>(x)); }
538
539 virtual void end_frame()
540 {
541 assert(surface);
542
543 PixelFormat pf(PF_RGB);
544
545 const int total_bytes(surface.get_w()*surface.get_h()*synfig::channels(pf));
546
547 unsigned char *buffer((unsigned char*)malloc(total_bytes));
548
549 if(!surface || !buffer)
550 return;
551 {
552 unsigned char *dest(buffer);
553 const Color *src(surface[0]);
554 int w(surface.get_w());
555 //int h(surface.get_h());
556 int x(surface.get_w()*surface.get_h());
557 //if(low_res) {
558 // int div = workarea->get_low_res_pixel_size();
559 // w/=div,h/=div;
560 //}
561 Color dark(0.6,0.6,0.6);
562 Color lite(0.8,0.8,0.8);
563 int tw=workarea->tile_w;
564 int th=workarea->tile_h;
565 if(low_res)
566 {
567 int div = workarea->get_low_res_pixel_size();
568 tw/=div;
569 th/=div;
570 }
571 for(int i=0;i<x;i++)
572 dest=Color2PixelFormat(
573 Color::blend(
574 (*(src++)),
575 ((i/w)*8/th+(i%w)*8/tw)&1?dark:lite,
576 1.0f
577 ).clamped(),
578 pf,
579 dest,
580 App::gamma
581 );
582 }
583
584 Glib::RefPtr<Gdk::Pixbuf> pixbuf;
585
586 pixbuf=Gdk::Pixbuf::create_from_data(
587 buffer, // pointer to the data
588 Gdk::COLORSPACE_RGB, // the colorspace
589 ((pf&PF_A)==PF_A), // has alpha?
590 8, // bits per sample
591 surface.get_w(), // width
592 surface.get_h(), // height
593 surface.get_w()*synfig::channels(pf), // stride (pitch)
594 sigc::ptr_fun(&WorkAreaTarget::free_buff)
595 );
596
597 if(low_res)
598 {
599 // We need to scale up
600 int div = workarea->get_low_res_pixel_size();
601 pixbuf=pixbuf->scale_simple(
602 surface.get_w()*div,
603 surface.get_h()*div,
604 Gdk::INTERP_NEAREST
605 );
606 }
607
608 int index=0;
609
610 if(!onionskin || onion_first_tile || !workarea->tile_book[index].first)
611 {
612 workarea->tile_book[index].first=pixbuf;
613 }
614 else
615 {
616 pixbuf->composite(
617 workarea->tile_book[index].first, // Dest
618 0,//int dest_x
619 0,//int dest_y
620 pixbuf->get_width(), // dest width
621 pixbuf->get_height(), // dest_height,
622 0, // double offset_x
623 0, // double offset_y
624 1, // double scale_x
625 1, // double scale_y
626 Gdk::INTERP_NEAREST, // interp
627 255/(onion_layers-onion_skin_queue.size()+1) //int overall_alpha
628 );
629 }
630
631 workarea->queue_draw();
632 assert(workarea->tile_book[index].first);
633 }
634 };
635
636
637
638
639 /* === M E T H O D S ======================================================= */
640
641
642 WorkArea::WorkArea(etl::loose_handle<synfigapp::CanvasInterface> canvas_interface):
643 Gtk::Table(4+RULER_FIX, 3, false),
644 canvas_interface(canvas_interface),
645 canvas(canvas_interface->get_canvas()),
646 scrollx_adjustment(0,-4,4,0.01,0.1),
647 scrolly_adjustment(0,-4,4,0.01,0.1),
648 w(TILE_SIZE),
649 h(TILE_SIZE),
650 last_event_time(0),
651 progresscallback(0),
652 dragging(DRAG_NONE),
653 show_grid(false),
654 tile_w(TILE_SIZE),
655 tile_h(TILE_SIZE),
656 timecode_width(0),
657 timecode_height(0)
658 {
659 show_guides=true;
660 curr_input_device=0;
661 full_frame=false;
662 allow_duck_clicks=true;
663 allow_layer_clicks=true;
664 render_idle_func_id=0;
665 zoom=prev_zoom=1.0;
666 quality=10;
667 low_res_pixel_size=2;
668 rendering=false;
669 canceled_=false;
670 low_resolution=true;
671 pw=0.001;
672 ph=0.001;
673 last_focus_point=Point(0,0);
674 onion_skin=false;
675 queued=false;
676 dirty_trap_enabled=false;
677 solid_lines=true;
678
679 dirty_trap_queued=0;
680
681 meta_data_lock=false;
682
683 insert_renderer(new Renderer_Canvas, 000);
684 insert_renderer(new Renderer_Grid, 100);
685 insert_renderer(new Renderer_Guides, 200);
686 insert_renderer(new Renderer_Ducks, 300);
687 insert_renderer(new Renderer_BBox, 399);
688 insert_renderer(new Renderer_Dragbox, 400);
689 insert_renderer(new Renderer_Timecode, 500);
690
691 signal_duck_selection_changed().connect(sigc::mem_fun(*this,&studio::WorkArea::queue_draw));
692 signal_strokes_changed().connect(sigc::mem_fun(*this,&studio::WorkArea::queue_draw));
693 signal_grid_changed().connect(sigc::mem_fun(*this,&studio::WorkArea::queue_draw));
694 signal_grid_changed().connect(sigc::mem_fun(*this,&studio::WorkArea::save_meta_data));
695 signal_sketch_saved().connect(sigc::mem_fun(*this,&studio::WorkArea::save_meta_data));
696
697 // Not that it really makes a difference... (setting this to zero, that is)
698 refreshes=0;
699
700 drawing_area=manage(new class Gtk::DrawingArea());
701 drawing_area->show();
702 drawing_area->set_extension_events(Gdk::EXTENSION_EVENTS_ALL);
703
704 drawing_frame=manage(new Gtk::Frame);
705 drawing_frame->add(*drawing_area);
706 //drawing_frame->set_shadow_type(Gtk::SHADOW_NONE);
707 //drawing_frame->property_border_width()=5;
708 //drawing_frame->modify_fg(Gtk::STATE_NORMAL,Gdk::Color("#00ffff"));
709 //drawing_frame->modify_base(Gtk::STATE_NORMAL,Gdk::Color("#ff00ff"));
710 /*drawing_frame->modify_fg(Gtk::STATE_ACTIVE,Gdk::Color("#00ffff"));
711 drawing_frame->modify_base(Gtk::STATE_ACTIVE,Gdk::Color("#ff00ff"));
712 drawing_frame->modify_bg(Gtk::STATE_ACTIVE,Gdk::Color("#00ff00"));
713 drawing_frame->modify_fg(Gtk::STATE_INSENSITIVE,Gdk::Color("#00ffff"));
714 drawing_frame->modify_base(Gtk::STATE_INSENSITIVE,Gdk::Color("#ff00ff"));
715 drawing_frame->modify_bg(Gtk::STATE_INSENSITIVE,Gdk::Color("#00ff00"));
716 drawing_frame->modify_fg(Gtk::STATE_SELECTED,Gdk::Color("#00ffff"));
717 drawing_frame->modify_base(Gtk::STATE_SELECTED,Gdk::Color("#ff00ff"));
718 drawing_frame->modify_bg(Gtk::STATE_SELECTED,Gdk::Color("#00ff00"));
719 */
720 //drawing_frame->set_state(Gtk::STATE_NORMAL);
721
722 drawing_frame->show();
723
724 attach(*drawing_frame, 1, 3+RULER_FIX, 1, 2, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
725
726 Gtk::IconSize iconsize=Gtk::IconSize::from_name("synfig-small_icon");
727
728
729 // Create the vertical and horizontal rulers
730 vruler = manage(new class Gtk::VRuler());
731 hruler = manage(new class Gtk::HRuler());
732 vruler->set_metric(Gtk::PIXELS);
733 hruler->set_metric(Gtk::PIXELS);
734 vruler->show();
735 hruler->show();
736 attach(*vruler, 0, 1, 1, 2, Gtk::SHRINK|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
737 attach(*hruler, 1, 3+RULER_FIX, 0, 1, Gtk::EXPAND|Gtk::FILL, Gtk::SHRINK|Gtk::FILL, 0, 0);
738 hruler->signal_event().connect(sigc::mem_fun(*this, &WorkArea::on_hruler_event));
739 vruler->signal_event().connect(sigc::mem_fun(*this, &WorkArea::on_vruler_event));
740 hruler->add_events(Gdk::BUTTON1_MOTION_MASK | Gdk::BUTTON2_MOTION_MASK |Gdk::BUTTON_PRESS_MASK | Gdk::BUTTON_RELEASE_MASK|Gdk::POINTER_MOTION_MASK);
741 vruler->add_events(Gdk::BUTTON1_MOTION_MASK | Gdk::BUTTON2_MOTION_MASK |Gdk::BUTTON_PRESS_MASK | Gdk::BUTTON_RELEASE_MASK|Gdk::POINTER_MOTION_MASK);
742
743 // Create the menu button
744 menubutton=manage(new class Gtk::Button());
745 Gtk::Arrow *arrow1 = manage(new class Gtk::Arrow(Gtk::ARROW_RIGHT, Gtk::SHADOW_OUT));
746 menubutton->add(*arrow1);
747 menubutton->show_all();
748 menubutton->signal_pressed().connect(sigc::mem_fun(*this, &WorkArea::popup_menu));
749 attach(*menubutton, 0, 1, 0, 1, Gtk::SHRINK, Gtk::SHRINK, 0, 0);
750
751
752
753 Gtk::VScrollbar *vscrollbar1 = manage(new class Gtk::VScrollbar(*get_scrolly_adjustment()));
754 Gtk::HScrollbar *hscrollbar1 = manage(new class Gtk::HScrollbar(*get_scrollx_adjustment()));
755 vscrollbar1->show();
756 hscrollbar1->show();
757 attach(*vscrollbar1, 3+RULER_FIX, 4+RULER_FIX, 1, 2, Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
758 attach(*hscrollbar1, 2+RULER_FIX, 3+RULER_FIX, 2, 3, Gtk::EXPAND|Gtk::FILL, Gtk::FILL, 0, 0);
759
760 ZoomDial *zoomdial=manage(new class ZoomDial(iconsize));
761 zoomdial->signal_zoom_in().connect(sigc::mem_fun(*this, &studio::WorkArea::zoom_in));
762 zoomdial->signal_zoom_out().connect(sigc::mem_fun(*this, &studio::WorkArea::zoom_out));
763 zoomdial->signal_zoom_fit().connect(sigc::mem_fun(*this, &studio::WorkArea::zoom_fit));
764 zoomdial->signal_zoom_norm().connect(sigc::mem_fun(*this, &studio::WorkArea::zoom_norm));
765 zoomdial->show();
766 attach(*zoomdial, 0, 2+RULER_FIX, 2, 3, Gtk::SHRINK, Gtk::SHRINK, 0, 0);
767
768 drawing_area->add_events(Gdk::KEY_PRESS_MASK | Gdk::KEY_RELEASE_MASK);
769 add_events(Gdk::KEY_PRESS_MASK);
770 drawing_area->add_events(Gdk::BUTTON_PRESS_MASK | Gdk::BUTTON_RELEASE_MASK);
771 drawing_area->add_events(Gdk::BUTTON1_MOTION_MASK | Gdk::BUTTON2_MOTION_MASK |Gdk::POINTER_MOTION_MASK);
772
773 // ----------------- Attach signals
774
775 drawing_area->signal_expose_event().connect(sigc::mem_fun(*this, &WorkArea::refresh));
776 drawing_area->signal_event().connect(sigc::mem_fun(*this, &WorkArea::on_drawing_area_event));
777 drawing_area->signal_size_allocate().connect(sigc::hide(sigc::mem_fun(*this, &WorkArea::refresh_dimension_info)));
778
779
780
781 canvas_interface->signal_rend_desc_changed().connect(sigc::mem_fun(*this, &WorkArea::refresh_dimension_info));
782 // When either of the scrolling adjustments change, then redraw.
783 get_scrollx_adjustment()->signal_value_changed().connect(sigc::mem_fun(*this, &WorkArea::queue_scroll));
784 get_scrolly_adjustment()->signal_value_changed().connect(sigc::mem_fun(*this, &WorkArea::queue_scroll));
785 get_scrollx_adjustment()->signal_value_changed().connect(sigc::mem_fun(*this, &WorkArea::refresh_dimension_info));
786 get_scrolly_adjustment()->signal_value_changed().connect(sigc::mem_fun(*this, &WorkArea::refresh_dimension_info));
787
788 get_canvas()->signal_meta_data_changed("grid_size").connect(sigc::mem_fun(*this,&WorkArea::load_meta_data));
789 get_canvas()->signal_meta_data_changed("grid_snap").connect(sigc::mem_fun(*this,&WorkArea::load_meta_data));
790 get_canvas()->signal_meta_data_changed("grid_show").connect(sigc::mem_fun(*this,&WorkArea::load_meta_data));
791 get_canvas()->signal_meta_data_changed("guide_show").connect(sigc::mem_fun(*this,&WorkArea::load_meta_data));
792 get_canvas()->signal_meta_data_changed("guide_x").connect(sigc::mem_fun(*this,&WorkArea::load_meta_data));
793 get_canvas()->signal_meta_data_changed("guide_y").connect(sigc::mem_fun(*this,&WorkArea::load_meta_data));
794 get_canvas()->signal_meta_data_changed("onion_skin").connect(sigc::mem_fun(*this,&WorkArea::load_meta_data));
795 get_canvas()->signal_meta_data_changed("guide_snap").connect(sigc::mem_fun(*this,&WorkArea::load_meta_data));
796 get_canvas()->signal_meta_data_changed("sketch").connect(sigc::mem_fun(*this,&WorkArea::load_meta_data));
797 get_canvas()->signal_meta_data_changed("solid_lines").connect(sigc::mem_fun(*this,&WorkArea::load_meta_data));
798
799 queued=false;
800 meta_data_lock=false;
801 set_focus_point(Point(0,0));
802
803
804 load_meta_data();
805 // Load sketch
806 {
807 String data(canvas->get_meta_data("sketch"));
808 if(!data.empty())
809 {
810 if(!load_sketch(data))
811 load_sketch(dirname(canvas->get_file_name())+ETL_DIRECTORY_SEPARATOR+basename(data));
812 }
813 }
814
815 hruler->property_max_size()=double(10.0);
816 vruler->property_max_size()=double(10.0);
817
818 drawing_area->set_flags(drawing_area->get_flags()|Gtk::CAN_FOCUS);
819 }
820
821 WorkArea::~WorkArea()
822 {
823 // delete [] buffer;
824
825 // don't leave the render function queued if we are about to vanish;
826 // that causes crashes
827 if(render_idle_func_id)
828 render_idle_func_id=0;
829 }
830
831 #ifdef SINGLE_THREADED
832 bool
833 WorkArea::get_updating()const
834 {
835 return App::single_threaded && async_renderer && async_renderer->updating;
836 }
837 #endif
838
839 #ifdef SINGLE_THREADED
840 void
841 WorkArea::stop_updating(bool cancel)
842 {
843 async_renderer->stop();
844 if (cancel) canceled_=true;
845 }
846 #endif
847
848 void
849 WorkArea::save_meta_data()
850 {
851 if(meta_data_lock)
852 return;
853 meta_data_lock=true;
854
855 Vector s(get_grid_size());
856 canvas_interface->set_meta_data("grid_size",strprintf("%f %f",s[0],s[1]));
857 canvas_interface->set_meta_data("grid_snap",get_grid_snap()?"1":"0");
858 canvas_interface->set_meta_data("guide_snap",get_guide_snap()?"1":"0");
859 canvas_interface->set_meta_data("guide_show",get_show_guides()?"1":"0");
860 canvas_interface->set_meta_data("grid_show",show_grid?"1":"0");
861 canvas_interface->set_meta_data("onion_skin",onion_skin?"1":"0");
862 {
863 String data;
864 GuideList::const_iterator iter;
865 for(iter=get_guide_list_x().begin();iter!=get_guide_list_x().end();++iter)
866 {
867 if(!data.empty())
868 data+=' ';
869 data+=strprintf("%f",*iter);
870 }
871 if(!data.empty())
872 canvas_interface->set_meta_data("guide_x",data);
873
874 data.clear();
875 for(iter=get_guide_list_y().begin();iter!=get_guide_list_y().end();++iter)
876 {
877 if(!data.empty())
878 data+=' ';
879 data+=strprintf("%f",*iter);
880 }
881 if(!data.empty())
882 canvas_interface->set_meta_data("guide_y",data);
883 }
884
885 if(get_sketch_filename().size())
886 {
887 if(dirname(canvas->get_file_name())==dirname(get_sketch_filename()))
888 canvas_interface->set_meta_data("sketch",basename(get_sketch_filename()));
889 else
890 canvas_interface->set_meta_data("sketch",get_sketch_filename());
891 }
892
893 meta_data_lock=false;
894 }
895
896 void
897 WorkArea::load_meta_data()
898 {
899 if(meta_data_lock)
900 return;
901 meta_data_lock=true;
902
903 String data;
904
905 data=canvas->get_meta_data("grid_size");
906 if(!data.empty())
907 {
908 float gx(get_grid_size()[0]),gy(get_grid_size()[1]);
909
910 String::iterator iter(find(data.begin(),data.end(),' '));
911 String tmp(data.begin(),iter);
912
913 if(!tmp.empty())
914 gx=stratof(tmp);
915 else
916 synfig::error("WorkArea::load_meta_data(): Unable to parse data for \"grid_size\", which was \"%s\"",data.c_str());
917
918 if(iter==data.end())
919 tmp.clear();
920 else
921 tmp=String(iter+1,data.end());
922
923 if(!tmp.empty())
924 gy=stratof(tmp);
925 else
926 synfig::error("WorkArea::load_meta_data(): Unable to parse data for \"grid_size\", which was \"%s\"",data.c_str());
927
928 set_grid_size(Vector(gx,gy));
929 }
930
931 data=canvas->get_meta_data("grid_show");
932 if(data.size() && (data=="1" || data[0]=='t' || data[0]=='T'))
933 show_grid=true;
934 if(data.size() && (data=="0" || data[0]=='f' || data[0]=='F'))
935 show_grid=false;
936
937 data=canvas->get_meta_data("solid_lines");
938 if(data.size() && (data=="1" || data[0]=='t' || data[0]=='T'))
939 solid_lines=true;
940 if(data.size() && (data=="0" || data[0]=='f' || data[0]=='F'))
941 solid_lines=false;
942
943 data=canvas->get_meta_data("guide_show");
944 if(data.size() && (data=="1" || data[0]=='t' || data[0]=='T'))
945 show_guides=true;
946 if(data.size() && (data=="0" || data[0]=='f' || data[0]=='F'))
947 show_guides=false;
948
949 data=canvas->get_meta_data("grid_snap");
950 if(data.size() && (data=="1" || data[0]=='t' || data[0]=='T'))
951 set_grid_snap(true);
952 if(data.size() && (data=="0" || data[0]=='f' || data[0]=='F'))
953 set_grid_snap(false);
954
955 data=canvas->get_meta_data("guide_snap");
956 if(data.size() && (data=="1" || data[0]=='t' || data[0]=='T'))
957 set_guide_snap(true);
958 if(data.size() && (data=="0" || data[0]=='f' || data[0]=='F'))
959 set_guide_snap(false);
960
961 data=canvas->get_meta_data("onion_skin");
962 if(data.size() && (data=="1" || data[0]=='t' || data[0]=='T'))
963 set_onion_skin(true);
964 if(data.size() && (data=="0" || data[0]=='f' || data[0]=='F'))
965 set_onion_skin(false);
966
967 data=canvas->get_meta_data("guide_x");
968 get_guide_list_x().clear();
969 while(!data.empty())
970 {
971 String::iterator iter(find(data.begin(),data.end(),' '));
972 String guide(data.begin(),iter);
973
974 if(!guide.empty())
975 get_guide_list_x().push_back(stratof(guide));
976
977 if(iter==data.end())
978 data.clear();
979 else
980 data=String(iter+1,data.end());
981 }
982 //sort(get_guide_list_x());
983
984 data=canvas->get_meta_data("guide_y");
985 get_guide_list_y().clear();
986 while(!data.empty())
987 {
988 String::iterator iter(find(data.begin(),data.end(),' '));
989 String guide(data.begin(),iter);
990
991 if(!guide.empty())
992 get_guide_list_y().push_back(stratof(guide));
993
994 if(iter==data.end())
995 data.clear();
996 else
997 data=String(iter+1,data.end());
998 }
999 //sort(get_guide_list_y());
1000
1001 meta_data_lock=false;
1002 queue_draw();
1003 }
1004
1005 void
1006 WorkArea::set_onion_skin(bool x)
1007 {
1008 if(onion_skin==x)
1009 return;
1010 onion_skin=x;
1011 save_meta_data();
1012 queue_render_preview();
1013 signal_onion_skin_changed()();
1014 }
1015
1016 bool
1017 WorkArea::get_onion_skin()const
1018 {
1019 return onion_skin;
1020 }
1021
1022 void
1023 WorkArea::enable_grid()
1024 {
1025 show_grid=true;
1026 save_meta_data();
1027 queue_draw();
1028 }
1029
1030 void
1031 WorkArea::disable_grid()
1032 {
1033 show_grid=false;
1034 save_meta_data();
1035 queue_draw();
1036 }
1037
1038 void
1039 WorkArea::set_show_guides(bool x)
1040 {
1041 show_guides=x;
1042 save_meta_data();
1043 queue_draw();
1044 }
1045
1046 void
1047 WorkArea::toggle_grid()
1048 {
1049 show_grid=!show_grid;
1050 save_meta_data();
1051 queue_draw();
1052 }
1053
1054 void
1055 WorkArea::set_low_resolution_flag(bool x)
1056 {
1057 if(x!=low_resolution)
1058 {
1059 low_resolution=x;
1060 queue_render_preview();
1061 }
1062 }
1063
1064 void
1065 WorkArea::toggle_low_resolution_flag()
1066 {
1067 set_low_resolution_flag(!get_low_resolution_flag());
1068 }
1069
1070 void
1071 WorkArea::popup_menu()
1072 {
1073 signal_popup_menu()();
1074 }
1075
1076 void
1077 WorkArea::set_grid_size(const synfig::Vector &s)
1078 {
1079 Duckmatic::set_grid_size(s);
1080 save_meta_data();
1081 queue_draw();
1082 }
1083
1084 void
1085 WorkArea::set_focus_point(const synfig::Point &point)
1086 {
1087 // These next three lines try to ensure that we place the
1088 // focus on a pixel boundary
1089 /*Point adjusted(point[0]/abs(get_pw()),point[1]/abs(get_ph()));
1090 adjusted[0]=(abs(adjusted[0]-floor(adjusted[0]))<0.5)?floor(adjusted[0])*abs(get_pw()):ceil(adjusted[0])*abs(get_ph());
1091 adjusted[1]=(abs(adjusted[1]-floor(adjusted[1]))<0.5)?floor(adjusted[1])*abs(get_ph()):ceil(adjusted[1])*abs(get_ph());
1092 */
1093 const synfig::Point& adjusted(point);
1094
1095 synfig::RendDesc &rend_desc(get_canvas()->rend_desc());
1096 Real x_factor=(rend_desc.get_br()[0]-rend_desc.get_tl()[0]>0)?-1:1;
1097 Real y_factor=(rend_desc.get_br()[1]-rend_desc.get_tl()[1]>0)?-1:1;
1098
1099 get_scrollx_adjustment()->set_value(adjusted[0]*x_factor);
1100 get_scrolly_adjustment()->set_value(adjusted[1]*y_factor);
1101 }
1102
1103 synfig::Point
1104 WorkArea::get_focus_point()const
1105 {
1106 synfig::RendDesc &rend_desc(get_canvas()->rend_desc());
1107 Real x_factor=(rend_desc.get_br()[0]-rend_desc.get_tl()[0]>0)?-1:1;
1108 Real y_factor=(rend_desc.get_br()[1]-rend_desc.get_tl()[1]>0)?-1:1;
1109
1110 return synfig::Point(get_scrollx_adjustment()->get_value()*x_factor, get_scrolly_adjustment()->get_value()*y_factor);
1111 }
1112
1113 bool
1114 WorkArea::set_wh(int W, int H,int CHAN)
1115 {
1116 // If our size is already set, don't set it again
1117 if(W==w && H==h && CHAN==bpp)
1118 {
1119 return true;
1120 }
1121 if(W<=0 || H<=0 || CHAN<=0)
1122 return false;
1123
1124 assert(W>0);
1125 assert(H>0);
1126 assert(CHAN>0);
1127
1128 // Set all of the parameters
1129 w=W;
1130 h=H;
1131 bpp=CHAN;
1132
1133 refresh_dimension_info();
1134
1135 tile_book.clear();
1136
1137 return true;
1138 }
1139
1140 bool
1141 WorkArea::on_key_press_event(GdkEventKey* event)
1142 {
1143 if(get_selected_ducks().empty())
1144 return false;
1145
1146 Real multiplier(1.0);
1147
1148 if(Gdk::ModifierType(event->state)&GDK_SHIFT_MASK)
1149 multiplier=10.0;
1150
1151 Vector nudge;
1152 switch(event->keyval)
1153 {
1154 case GDK_Left:
1155 nudge=Vector(-pw,0);
1156 break;
1157 case GDK_Right:
1158 nudge=Vector(pw,0);
1159 break;
1160 case GDK_Up:
1161 nudge=Vector(0,-ph);
1162 break;
1163 case GDK_Down:
1164 nudge=Vector(0,ph);
1165 break;
1166 default:
1167 return false;
1168 break;
1169 }
1170
1171 synfigapp::Action::PassiveGrouper grouper(instance.get(),_("Nudge"));
1172
1173 // Grid snap does not apply to nudging
1174 bool grid_snap_holder(get_grid_snap());
1175 bool guide_snap_holder(get_guide_snap());
1176 set_grid_snap(false);
1177
1178 try {
1179 start_duck_drag(get_selected_duck()->get_trans_point());
1180 translate_selected_ducks(get_selected_duck()->get_trans_point()+nudge*multiplier);
1181 end_duck_drag();
1182 }
1183 catch(String)
1184 {
1185 canvas_view->duck_refresh_flag=true;
1186 canvas_view->queue_rebuild_ducks();
1187 }
1188
1189 set_grid_snap(grid_snap_holder);
1190 set_guide_snap(guide_snap_holder);
1191
1192 return true;
1193 }
1194
1195 bool
1196 WorkArea::on_drawing_area_event(GdkEvent *event)
1197 {
1198 synfig::Point mouse_pos;
1199 float bezier_click_pos;
1200 const float radius((abs(pw)+abs(ph))*4);
1201 int button_pressed(0);
1202 float pressure(0);
1203 bool is_mouse(false);
1204 Gdk::ModifierType modifier(Gdk::ModifierType(0));
1205
1206 // Handle input stuff
1207 if(
1208 event->any.type==GDK_MOTION_NOTIFY ||
1209 event->any.type==GDK_BUTTON_PRESS ||
1210 event->any.type==GDK_2BUTTON_PRESS ||
1211 event->any.type==GDK_3BUTTON_PRESS ||
1212 event->any.type==GDK_BUTTON_RELEASE
1213 )
1214 {
1215 GdkDevice *device;
1216 if(event->any.type==GDK_MOTION_NOTIFY)
1217 {
1218 device=event->motion.device;
1219 modifier=Gdk::ModifierType(event->motion.state);
1220 }
1221 else
1222 {
1223 device=event->button.device;
1224 modifier=Gdk::ModifierType(event->button.state);
1225 drawing_area->grab_focus();
1226 }
1227
1228 // Make sure we recognize the device
1229 if(curr_input_device)
1230 {
1231 if(curr_input_device!=device)
1232 {
1233 assert(device);
1234 curr_input_device=device;
1235 signal_input_device_changed()(curr_input_device);
1236 }
1237 }
1238 else if(device)
1239 {
1240 curr_input_device=device;
1241 signal_input_device_changed()(curr_input_device);
1242 }
1243
1244 assert(curr_input_device);
1245
1246 // Calculate the position of the
1247 // input device in canvas coordinates
1248 // and the buttons
1249 if(!event->button.axes)
1250 {
1251 mouse_pos=synfig::Point(screen_to_comp_coords(synfig::Point(event->button.x,event->button.y)));
1252 button_pressed=event->button.button;
1253 pressure=1.0f;
1254 is_mouse=true;
1255 if(isnan(event->button.x) || isnan(event->button.y))
1256 return false;
1257 }
1258 else
1259 {
1260 double x(event->button.axes[0]);
1261 double y(event->button.axes[1]);
1262 if(isnan(x) || isnan(y))
1263 return false;
1264
1265 pressure=event->button.axes[2];
1266 //synfig::info("pressure=%f",pressure);
1267 pressure-=0.04f;
1268 pressure/=1.0f-0.04f;
1269
1270
1271 assert(!isnan(pressure));
1272
1273 mouse_pos=synfig::Point(screen_to_comp_coords(synfig::Point(x,y)));
1274
1275 button_pressed=event->button.button;
1276
1277 if(button_pressed==1 && pressure<0 && (event->any.type!=GDK_BUTTON_RELEASE && event->any.type!=GDK_BUTTON_PRESS))
1278 button_pressed=0;
1279 if(pressure<0)
1280 pressure=0;
1281
1282 //if(event->any.type==GDK_BUTTON_PRESS && button_pressed)
1283 // synfig::info("Button pressed on input device = %d",event->button.button);
1284
1285 //if(event->button.axes[2]>0.1)
1286 // button_pressed=1;
1287 //else
1288 // button_pressed=0;
1289 }
1290 }
1291 // GDK mouse scrolling events
1292 else if(event->any.type==GDK_SCROLL)
1293 {
1294 // GDK information needed to properly interpret mouse
1295 // scrolling events are: scroll.state, scroll.x/scroll.y, and
1296 // scroll.direction. The value of scroll.direction will be
1297 // obtained later.
1298
1299 modifier=Gdk::ModifierType(event->scroll.state);
1300 mouse_pos=synfig::Point(screen_to_comp_coords(synfig::Point(event->scroll.x,event->scroll.y)));
1301 }
1302
1303 // Handle the renderables
1304 {
1305 std::set<etl::handle<WorkAreaRenderer> >::iterator iter;
1306 for(iter=renderer_set_.begin();iter!=renderer_set_.end();++iter)
1307 {
1308 if((*iter)->get_enabled())
1309 if((*iter)->event_vfunc(event))
1310 {
1311 // Event handled. Return true.
1312 return true;
1313 }
1314 }
1315 }
1316
1317 // Event hasn't been handled, pass it down
1318 switch(event->type)
1319 {
1320 case GDK_BUTTON_PRESS:
1321 {
1322 switch(button_pressed)
1323 {
1324 case 1: // Attempt to click on a duck
1325 {
1326 etl::handle<Duck> duck;
1327 dragging=DRAG_NONE;
1328
1329 if(allow_duck_clicks)
1330 {
1331 duck=find_duck(mouse_pos,radius);
1332
1333 if(duck)
1334 {
1335 // make a note of whether the duck we click on was selected or not
1336 if(duck_is_selected(duck))
1337 clicked_duck=duck;
1338 else
1339 {
1340 clicked_duck=0;
1341 // if CTRL isn't pressed, clicking an unselected duck will unselect all other ducks
1342 if(!(modifier&GDK_CONTROL_MASK))
1343 clear_selected_ducks();
1344 select_duck(duck);
1345 }
1346 }
1347 }
1348 //else
1349 // clear_selected_ducks();
1350
1351
1352
1353 selected_bezier=find_bezier(mouse_pos,radius,&bezier_click_pos);
1354 if(duck)
1355 {
1356 if (!duck->get_editable())
1357 return true;
1358
1359 //get_selected_duck()->signal_user_click(0)();
1360 //if(clicked_duck)clicked_duck->signal_user_click(0)();
1361
1362 // if the user is holding shift while clicking on a tangent duck, consider splitting the tangent
1363 if (event->motion.state&GDK_SHIFT_MASK && duck->get_type() == Duck::TYPE_TANGENT)
1364 {
1365 synfigapp::ValueDesc value_desc = duck->get_value_desc();
1366
1367 // we have the tangent, but need the vertex - that's the parent
1368 if (value_desc.parent_is_value_node()) {
1369 ValueNode_Composite::Handle parent_value_node = value_desc.get_parent_value_node();
1370
1371 // if the tangent isn't split, then split it
1372 if (!((*(parent_value_node->get_link("split")))(get_time()).get(bool())))
1373 {
1374 if (get_canvas_view()->canvas_interface()->
1375 change_value(synfigapp::ValueDesc(parent_value_node,
1376 parent_value_node->get_link_index_from_name("split")),
1377 true))
1378 {
1379 // rebuild the ducks from scratch, so the tangents ducks aren't connected
1380 get_canvas_view()->rebuild_ducks();
1381
1382 // reprocess the mouse click
1383 return on_drawing_area_event(event);
1384 }
1385 else
1386 return true;
1387 }
1388 } else {
1389 // I don't know how to access the vertex from the tangent duck when originally drawing the bline in the bline tool
1390
1391 // synfig::ValueNode::Handle vn = value_desc.get_value_node();
1392 synfig::info("parent isn't value node? shift-drag-tangent doesn't work in bline tool yet...");
1393 }
1394 }
1395
1396 dragging=DRAG_DUCK;
1397 drag_point=mouse_pos;
1398 //drawing_area->queue_draw();
1399 start_duck_drag(mouse_pos);
1400 get_canvas_view()->reset_cancel_status();
1401 return true;
1402 }
1403 // I commented out this section because
1404 // it was causing issues when rotoscoping.
1405 // At the moment, we don't need it, so
1406 // this was the easiest way to fix the problem.
1407 /*
1408 else
1409 if(selected_bezier)
1410 {
1411 selected_duck=0;
1412 selected_bezier->signal_user_click(0)(bezier_click_pos);
1413 }
1414 */
1415 else
1416 {
1417 //clear_selected_ducks();
1418 selected_bezier=0;
1419 if(canvas_view->get_smach().process_event(EventMouse(EVENT_WORKAREA_MOUSE_BUTTON_DOWN,BUTTON_LEFT,mouse_pos,pressure,modifier))==Smach::RESULT_OK)
1420 {
1421 // Check for a guide click
1422 GuideList::iterator iter;
1423
1424 iter=find_guide_x(mouse_pos,radius);
1425 if(iter==get_guide_list_x().end())
1426 {
1427 curr_guide_is_x=false;
1428 iter=find_guide_y(mouse_pos,radius);
1429 }
1430 else
1431 curr_guide_is_x=true;
1432 if(iter!=get_guide_list_x().end() && iter!=get_guide_list_y().end())
1433 {
1434 dragging=DRAG_GUIDE;
1435 curr_guide=iter;
1436 return true;
1437 }
1438
1439
1440 // All else fails, try making a selection box
1441 dragging=DRAG_BOX;
1442 curr_point=drag_point=mouse_pos;
1443 return true;
1444 }
1445 }
1446 break;
1447 }
1448 case 2: // Attempt to drag and move the window
1449 {
1450 etl::handle<Duck> duck=find_duck(mouse_pos,radius);
1451 etl::handle<Bezier> bezier=find_bezier(mouse_pos,radius,&bezier_click_pos);
1452 if(duck)
1453 duck->signal_user_click(1)();
1454 else
1455 if(bezier)
1456 bezier->signal_user_click(1)(bezier_click_pos);
1457
1458 if(canvas_view->get_smach().process_event(EventMouse(EVENT_WORKAREA_MOUSE_BUTTON_DOWN,BUTTON_MIDDLE,mouse_pos,pressure,modifier))==Smach::RESULT_OK)
1459 if(is_mouse)
1460 {
1461 dragging=DRAG_WINDOW;
1462 drag_point=mouse_pos;
1463 signal_user_click(1)(mouse_pos);
1464 }
1465 break;
1466 }
1467 case 3: // Attempt to either get info on a duck, or open the menu
1468 {
1469 etl::handle<Duck> duck=find_duck(mouse_pos,radius);
1470 etl::handle<Bezier> bezier=find_bezier(mouse_pos,radius,&bezier_click_pos);
1471
1472 Layer::Handle layer(get_canvas()->find_layer(mouse_pos));
1473 if(duck)
1474 {
1475 if(get_selected_ducks().size()<=1)
1476 duck->signal_user_click(2)();
1477 else
1478 canvas_view->get_smach().process_event(EventMouse(EVENT_WORKAREA_MULTIPLE_DUCKS_CLICKED,BUTTON_RIGHT,mouse_pos,pressure,modifier));
1479 return true;
1480 }
1481 else if(bezier)
1482 {
1483 bezier->signal_user_click(2)(bezier_click_pos);
1484 return true;
1485 }
1486 else if (layer)
1487 {
1488 if(canvas_view->get_smach().process_event(EventLayerClick(layer,BUTTON_RIGHT,mouse_pos))==Smach::RESULT_OK)
1489 return false;
1490 return true;
1491 }
1492 else
1493 canvas_view->get_smach().process_event(EventMouse(EVENT_WORKAREA_MOUSE_BUTTON_DOWN,BUTTON_RIGHT,mouse_pos,pressure,modifier));
1494 /*
1495 if(canvas_view->get_smach().process_event(EventMouse(EVENT_WORKAREA_MOUSE_BUTTON_DOWN,BUTTON_RIGHT,mouse_pos,pressure,modifier))==Smach::RESULT_OK)
1496 {
1497 //popup_menu();
1498 return true;
1499 }
1500 */
1501 break;
1502 }
1503 case 4:
1504 signal_user_click(3)(mouse_pos);
1505 break;
1506 case 5:
1507 signal_user_click(4)(mouse_pos);
1508 break;
1509 default:
1510 break;
1511 }
1512 }
1513 break;
1514 case GDK_MOTION_NOTIFY:
1515 curr_point=mouse_pos;
1516
1517 if(event->motion.time-last_event_time<25)
1518 return true;
1519 else
1520 last_event_time=event->motion.time;
1521
1522 signal_cursor_moved_();
1523
1524 // Guide/Duck highlights on hover
1525 if(dragging==DRAG_NONE)
1526 {
1527 GuideList::iterator iter;
1528
1529 iter=find_guide_x(mouse_pos,radius);
1530 if(iter==get_guide_list_x().end())
1531 iter=find_guide_y(mouse_pos,radius);
1532
1533 if(iter!=curr_guide)
1534 {
1535 curr_guide=iter;
1536 drawing_area->queue_draw();
1537 }
1538
1539 etl::handle<Duck> duck;
1540 duck=find_duck(mouse_pos,radius);
1541 if(duck!=hover_duck)
1542 {
1543 hover_duck=duck;
1544 drawing_area->queue_draw();
1545 }
1546 }
1547
1548
1549 if(dragging==DRAG_DUCK)
1550 {
1551 if(canvas_view->get_cancel_status())
1552 {
1553 dragging=DRAG_NONE;
1554 canvas_view->queue_rebuild_ducks();
1555 return true;
1556 }
1557 /*
1558 Point point((mouse_pos-selected_duck->get_origin())/selected_duck->get_scalar());
1559 if(get_grid_snap())
1560 {
1561 point[0]=floor(point[0]/grid_size[0]+0.5)*grid_size[0];
1562 point[1]=floor(point[1]/grid_size[1]+0.5)*grid_size[1];
1563 }
1564 selected_duck->set_point(point);
1565 */
1566
1567 //Point p(mouse_pos);
1568
1569 set_axis_lock(event->motion.state&GDK_SHIFT_MASK);
1570
1571 translate_selected_ducks(mouse_pos);
1572
1573 drawing_area->queue_draw();
1574 }
1575
1576 if(dragging==DRAG_BOX)
1577 {
1578 curr_point=mouse_pos;
1579 drawing_area->queue_draw();
1580 }
1581
1582 if(dragging==DRAG_GUIDE)
1583 {
1584 if(curr_guide_is_x)
1585 *curr_guide=mouse_pos[0];
1586 else
1587 *curr_guide=mouse_pos[1];
1588 drawing_area->queue_draw();
1589 }
1590
1591 if(dragging!=DRAG_WINDOW)
1592 { // Update those triangle things on the rulers
1593 const synfig::Point point(mouse_pos);
1594 hruler->property_position()=Distance(point[0],Distance::SYSTEM_UNITS).get(App::distance_system,get_canvas()->rend_desc());
1595 vruler->property_position()=Distance(point[1],Distance::SYSTEM_UNITS).get(App::distance_system,get_canvas()->rend_desc());
1596 }
1597
1598 if(dragging == DRAG_WINDOW)
1599 set_focus_point(get_focus_point() + mouse_pos-drag_point);
1600 else if (event->motion.state & GDK_BUTTON1_MASK &&
1601 canvas_view->get_smach().process_event(EventMouse(EVENT_WORKAREA_MOUSE_BUTTON_DRAG, BUTTON_LEFT,
1602 mouse_pos,pressure,modifier)) == Smach::RESULT_ACCEPT)
1603 return true;
1604 else if (event->motion.state & GDK_BUTTON2_MASK &&
1605 canvas_view->get_smach().process_event(EventMouse(EVENT_WORKAREA_MOUSE_BUTTON_DRAG, BUTTON_MIDDLE,
1606 mouse_pos, pressure, modifier)) == Smach::RESULT_ACCEPT)
1607 return true;
1608 else if (event->motion.state & GDK_BUTTON3_MASK &&
1609 canvas_view->get_smach().process_event(EventMouse(EVENT_WORKAREA_MOUSE_BUTTON_DRAG, BUTTON_RIGHT,
1610 mouse_pos, pressure, modifier)) == Smach::RESULT_ACCEPT)
1611 return true;
1612 else if(canvas_view->get_smach().process_event(EventMouse(EVENT_WORKAREA_MOUSE_MOTION, BUTTON_NONE,
1613 mouse_pos, pressure,modifier)) == Smach::RESULT_ACCEPT)
1614 return true;
1615
1616 break;
1617
1618 case GDK_BUTTON_RELEASE:
1619 {
1620 bool ret(false);
1621
1622 if(dragging==DRAG_GUIDE)
1623 {
1624 dragging=DRAG_NONE;
1625 save_meta_data();
1626 return true;
1627 }
1628 else
1629 if(dragging==DRAG_DUCK)
1630 {
1631 synfigapp::Action::PassiveGrouper grouper(instance.get(),_("Move"));
1632 dragging=DRAG_NONE;
1633 //translate_selected_ducks(mouse_pos);
1634 set_axis_lock(false);
1635
1636 try{
1637 get_canvas_view()->duck_refresh_flag=false;
1638 get_canvas_view()->duck_refresh_needed=false;
1639 const bool drag_did_anything(end_duck_drag());
1640 get_canvas_view()->duck_refresh_flag=true;
1641 if(!drag_did_anything)
1642 {
1643 // if we originally clicked on a selected duck ...
1644 if(clicked_duck)
1645 {
1646 // ... and CTRL is pressed, then just toggle the clicked duck
1647 // otherwise make the clicked duck the only selected duck
1648 if(modifier&GDK_CONTROL_MASK)
1649 unselect_duck(clicked_duck);
1650 else
1651 {
1652 clear_selected_ducks();
1653 select_duck(clicked_duck);
1654 }
1655 clicked_duck->signal_user_click(0)();
1656 }
1657 }
1658 else
1659 {
1660 if(canvas_view->duck_refresh_needed)
1661 canvas_view->queue_rebuild_ducks();
1662 return true;
1663 }
1664 }catch(String)
1665 {
1666 canvas_view->duck_refresh_flag=true;
1667 canvas_view->queue_rebuild_ducks();
1668 return true;
1669 }
1670 //queue_draw();
1671 clicked_duck=0;
1672
1673 ret=true;
1674 }
1675
1676 if(dragging==DRAG_BOX)
1677 {
1678 dragging=DRAG_NONE;
1679 if((drag_point-mouse_pos).mag()>radius/2.0f)
1680 {
1681 if(canvas_view->get_smach().process_event(EventBox(drag_point,mouse_pos,MouseButton(event->button.button),modifier))==Smach::RESULT_ACCEPT)
1682 return true;
1683
1684 // when dragging a box around some ducks:
1685 // SHIFT selects; CTRL toggles; SHIFT+CTRL unselects; <none> clears all then selects
1686 if(modifier&GDK_SHIFT_MASK)
1687 select_ducks_in_box(drag_point,mouse_pos);
1688
1689 if(modifier&GDK_CONTROL_MASK)
1690 toggle_select_ducks_in_box(drag_point,mouse_pos);
1691 else if(!(modifier&GDK_SHIFT_MASK))
1692 {
1693 clear_selected_ducks();
1694 select_ducks_in_box(drag_point,mouse_pos);
1695 }
1696 ret=true;
1697 }
1698 else
1699 {
1700 if(allow_layer_clicks)
1701 {
1702 Layer::Handle layer(get_canvas()->find_layer(drag_point));
1703 //if(layer)
1704 {
1705 if(canvas_view->get_smach().process_event(EventLayerClick(layer,BUTTON_LEFT,mouse_pos,modifier))==Smach::RESULT_OK)
1706 signal_layer_selected_(layer);
1707 ret=true;
1708 }
1709 }
1710 else
1711 {
1712 signal_user_click(0)(mouse_pos);
1713 }
1714 }
1715 }
1716
1717 dragging=DRAG_NONE;
1718
1719 if(canvas_view->get_smach().process_event(EventMouse(EVENT_WORKAREA_MOUSE_BUTTON_UP,MouseButton(event->button.button),mouse_pos,pressure,modifier))==Smach::RESULT_ACCEPT)
1720 ret=true;
1721
1722 return ret;
1723 }
1724 break;
1725 case GDK_SCROLL:
1726 {
1727 // Handle a mouse scrolling event like Xara Xtreme and
1728 // Inkscape:
1729
1730 // Scroll up/down: scroll up/down
1731 // Shift + scroll up/down: scroll left/right
1732 // Control + scroll up/down: zoom in/out
1733
1734 if(modifier&GDK_CONTROL_MASK)
1735 {
1736
1737 // The zoom is performed while preserving the pointer
1738 // position as a fixed point (similarly to Xara Xtreme and
1739 // Inkscape).
1740
1741 // The strategy used below is to scroll to the updated
1742 // position, then zoom. This is easy to implement within
1743 // the present architecture, but has the disadvantage of
1744 // triggering multiple visible refreshes. Note: 1.25 is
1745 // the hard wired ratio in zoom_in()/zoom_out(). The
1746 // variable "drift" compensates additional inaccuracies in
1747 // the zoom. There is also an additional minus sign for
1748 // the inverted y coordinates.
1749
1750 // FIXME: One might want to figure out where in the code
1751 // this empirical drift is been introduced.
1752
1753 const synfig::Point scroll_point(get_scrollx_adjustment()->get_value(),get_scrolly_adjustment()->get_value());
1754 const double drift = 0.052;
1755
1756 switch(event->scroll.direction)
1757 {
1758 case GDK_SCROLL_UP:
1759 case GDK_SCROLL_RIGHT:
1760 get_scrollx_adjustment()->set_value(scroll_point[0]+(mouse_pos[0]-scroll_point[0])*(1.25-(1+drift)));
1761 get_scrolly_adjustment()->set_value(scroll_point[1]-(mouse_pos[1]+scroll_point[1])*(1.25-(1+drift)));
1762 zoom_in();
1763 break;
1764 case GDK_SCROLL_DOWN:
1765 case GDK_SCROLL_LEFT:
1766 get_scrollx_adjustment()->set_value(scroll_point[0]+(mouse_pos[0]-scroll_point[0])*(1/1.25-(1+drift)));
1767 get_scrolly_adjustment()->set_value(scroll_point[1]-(mouse_pos[1]+scroll_point[1])*(1/1.25-(1+drift)));
1768 zoom_out();
1769 break;
1770 default:
1771 break;
1772 }
1773 }
1774 else if(modifier&GDK_SHIFT_MASK)
1775 {
1776 // Scroll in either direction by 20 pixels. Ideally, the
1777 // amount of pixels per scrolling event should be
1778 // configurable. Xara Xtreme currently uses an (hard
1779 // wired) amount 20 pixel, Inkscape defaults to 40 pixels.
1780
1781 const int scroll_pixel = 20;
1782
1783 switch(event->scroll.direction)
1784 {
1785 case GDK_SCROLL_UP:
1786 get_scrollx_adjustment()->set_value(get_scrollx_adjustment()->get_value()-scroll_pixel*pw);
1787 break;
1788 case GDK_SCROLL_DOWN:
1789 get_scrollx_adjustment()->set_value(get_scrollx_adjustment()->get_value()+scroll_pixel*pw);
1790 break;
1791 case GDK_SCROLL_LEFT:
1792 get_scrolly_adjustment()->set_value(get_scrolly_adjustment()->get_value()+scroll_pixel*ph);
1793 break;
1794 case GDK_SCROLL_RIGHT:
1795 get_scrolly_adjustment()->set_value(get_scrolly_adjustment()->get_value()-scroll_pixel*ph);
1796 break;
1797 default:
1798 break;
1799 }
1800 }
1801 else
1802 {
1803 // Scroll in either direction by 20 pixels. Ideally, the
1804 // amount of pixels per scrolling event should be
1805 // configurable. Xara Xtreme currently uses an (hard
1806 // wired) amount 20 pixel, Inkscape defaults to 40 pixels.
1807
1808 const int scroll_pixel = 20;
1809
1810 switch(event->scroll.direction)
1811 {
1812 case GDK_SCROLL_UP:
1813 get_scrolly_adjustment()->set_value(get_scrolly_adjustment()->get_value()+scroll_pixel*ph);
1814 break;
1815 case GDK_SCROLL_DOWN:
1816 get_scrolly_adjustment()->set_value(get_scrolly_adjustment()->get_value()-scroll_pixel*ph);
1817 break;
1818 case GDK_SCROLL_LEFT:
1819 get_scrollx_adjustment()->set_value(get_scrollx_adjustment()->get_value()-scroll_pixel*pw);
1820 break;
1821 case GDK_SCROLL_RIGHT:
1822 get_scrollx_adjustment()->set_value(get_scrollx_adjustment()->get_value()+scroll_pixel*pw);
1823 break;
1824 default:
1825 break;
1826 }
1827 }
1828 }
1829 break;
1830 default:
1831 break;
1832 }
1833 return false;
1834 }
1835
1836 bool
1837 WorkArea::on_hruler_event(GdkEvent */*event*/)
1838 {
1839 /*
1840 switch(event->type)
1841 {
1842 case GDK_BUTTON_PRESS:
1843 if(dragging==DRAG_NONE)
1844 {
1845 dragging=DRAG_GUIDE;
1846 curr_guide=get_guide_list_y().insert(get_guide_list_y().begin());
1847 curr_guide_is_x=false;
1848 }
1849 return true;
1850 break;
1851
1852 case GDK_MOTION_NOTIFY:
1853 // Guide movement
1854 if(dragging==DRAG_GUIDE && curr_guide_is_x==false)
1855 {
1856 double y,x;
1857 if(event->button.axes)
1858 {
1859 x=(event->button.axes[0]);
1860 y=(event->button.axes[1]);
1861 }
1862 else
1863 {
1864 x=event->button.x;
1865 y=event->button.y;
1866 }
1867
1868 if(isnan(y) || isnan(x))
1869 return false;
1870
1871 *curr_guide=synfig::Point(screen_to_comp_coords(synfig::Point(x,y)))[1];
1872
1873 queue_draw();
1874 }
1875 return true;
1876 break;
1877
1878 case GDK_BUTTON_RELEASE:
1879 if(dragging==DRAG_GUIDE && curr_guide_is_x==false)
1880 {
1881 dragging=DRAG_NONE;
1882 get_guide_list_y().erase(curr_guide);
1883 }
1884 break;
1885 return true;
1886 default:
1887 break;
1888 }
1889 */
1890 return false;
1891 }
1892
1893 bool
1894 WorkArea::on_vruler_event(GdkEvent */*event*/)
1895 {
1896 /*
1897 switch(event->type)
1898 {
1899 case GDK_BUTTON_PRESS:
1900 if(dragging==DRAG_NONE)
1901 {
1902 dragging=DRAG_GUIDE;
1903 curr_guide=get_guide_list_x().insert(get_guide_list_x().begin());
1904 curr_guide_is_x=true;
1905 }
1906 return true;
1907 break;
1908 case GDK_BUTTON_RELEASE:
1909 if(dragging==DRAG_GUIDE && curr_guide_is_x==true)
1910 {
1911 dragging=DRAG_NONE;
1912 get_guide_list_x().erase(curr_guide);
1913 }
1914 break;
1915 return true;
1916 default:
1917 break;
1918 }
1919 */
1920 return false;
1921 }
1922
1923
1924 void
1925 WorkArea::refresh_dimension_info()
1926 {
1927 synfig::RendDesc &rend_desc(get_canvas()->rend_desc());
1928
1929 canvaswidth=rend_desc.get_br()[0]-rend_desc.get_tl()[0];
1930 canvasheight=rend_desc.get_br()[1]-rend_desc.get_tl()[1];
1931
1932 pw=canvaswidth/w;
1933 ph=canvasheight/h;
1934
1935 scrollx_adjustment.set_page_increment(abs(get_grid_size()[0]));
1936 scrollx_adjustment.set_step_increment(abs(pw));
1937 scrollx_adjustment.set_lower(-abs(canvaswidth));
1938 scrollx_adjustment.set_upper(abs(canvaswidth));
1939 scrolly_adjustment.set_lower(-abs(canvasheight));
1940 scrolly_adjustment.set_upper(abs(canvasheight));
1941 scrolly_adjustment.set_step_increment(abs(ph));
1942 scrolly_adjustment.set_page_increment(abs(get_grid_size()[1]));
1943
1944
1945
1946 if(drawing_area->get_width()<=0 || drawing_area->get_height()<=0 || w==0 || h==0)
1947 return;
1948
1949 const synfig::Point focus_point(get_focus_point());
1950 const synfig::Real x(focus_point[0]/pw+drawing_area->get_width()/2-w/2);
1951 const synfig::Real y(focus_point[1]/ph+drawing_area->get_height()/2-h/2);
1952
1953 window_tl[0]=rend_desc.get_tl()[0]-pw*x;
1954 window_br[0]=rend_desc.get_br()[0]+pw*(drawing_area->get_width()-x-w);
1955
1956 window_tl[1]=rend_desc.get_tl()[1]-ph*y;
1957 window_br[1]=rend_desc.get_br()[1]+ph*(drawing_area->get_height()-y-h);
1958
1959 hruler->property_lower()=Distance(window_tl[0],Distance::SYSTEM_UNITS).get(App::distance_system,rend_desc);
1960 hruler->property_upper()=Distance(window_br[0],Distance::SYSTEM_UNITS).get(App::distance_system,rend_desc);
1961 vruler->property_lower()=Distance(window_tl[1],Distance::SYSTEM_UNITS).get(App::distance_system,rend_desc);
1962 vruler->property_upper()=Distance(window_br[1],Distance::SYSTEM_UNITS).get(App::distance_system,rend_desc);
1963
1964 view_window_changed();
1965 }
1966
1967
1968 synfig::Point
1969 WorkArea::screen_to_comp_coords(synfig::Point pos)const
1970 {
1971 synfig::RendDesc &rend_desc(get_canvas()->rend_desc());
1972 //synfig::Vector::value_type canvaswidth=rend_desc.get_br()[0]-rend_desc.get_tl()[0];
1973 //synfig::Vector::value_type canvasheight=rend_desc.get_br()[1]-rend_desc.get_tl()[1];
1974 //synfig::Vector::value_type pw=canvaswidth/w;
1975 //synfig::Vector::value_type ph=canvasheight/h;
1976 Vector focus_point=get_focus_point();
1977 synfig::Vector::value_type x=focus_point[0]/pw+drawing_area->get_width()/2-w/2;
1978 synfig::Vector::value_type y=focus_point[1]/ph+drawing_area->get_height()/2-h/2;
1979
1980 return rend_desc.get_tl()-synfig::Point(pw*x,ph*y)+synfig::Point(pw*pos[0],ph*pos[1]);
1981 }
1982
1983 synfig::Point
1984 WorkArea::comp_to_screen_coords(synfig::Point /*pos*/)const
1985 {
1986 synfig::warning("WorkArea::comp_to_screen_coords: Not yet implemented");
1987 return synfig::Point();
1988 }
1989
1990 int
1991 WorkArea::next_unrendered_tile(int refreshes)const
1992 {
1993 //assert(!tile_book.empty());
1994 if(tile_book.empty())
1995 return -1;
1996
1997 //const synfig::RendDesc &rend_desc(get_canvas()->rend_desc());
1998
1999 const synfig::Vector focus_point(get_focus_point());
2000
2001 // Calculate the window coordinates of the top-left
2002 // corner of the canvas.
2003 const synfig::Vector::value_type
2004 x(focus_point[0]/pw+drawing_area->get_width()/2-w/2),
2005 y(focus_point[1]/ph+drawing_area->get_height()/2-h/2);
2006
2007 int div = low_res_pixel_size;
2008 const int width_in_tiles(w/tile_w+((low_resolution?((w/div)%(tile_w/div)):(w%tile_w))?1:0));
2009 const int height_in_tiles(h/tile_h+(h%tile_h?1:0));
2010
2011 int
2012 u(0),v(0),
2013 u1(int(-x/tile_w)),
2014 v1(int(-y/tile_h)),
2015 u2(int((-x+drawing_area->get_width())/tile_w+1)),
2016 v2(int((-y+drawing_area->get_height())/tile_h+1));
2017
2018 if(u2>width_in_tiles)u2=width_in_tiles;
2019 if(v2>height_in_tiles)v2=height_in_tiles;
2020 if(u1<0)u1=0;
2021 if(v1<0)v1=0;
2022
2023 int last_good_tile(-1);
2024
2025 for(v=v1;v<v2;v++)
2026 for(u=u1;u<u2;u++)
2027 {
2028 int index(v*width_in_tiles+u);
2029 if(tile_book[index].second<refreshes)
2030 {
2031 last_good_tile=index;
2032 if(rand()%8==0)
2033 return index;
2034 }
2035 }
2036 return last_good_tile;
2037 }
2038
2039 /*
2040 template <typename F, typename T=WorkAreaRenderer, typename R=typename F::result_type>
2041 class handle2ptr_t : public std::unary_function<typename etl::handle<T>,R>
2042 {
2043 private:
2044 F func;
2045 public:
2046 handle2ptr_t(const F &func):func(func) { };
2047
2048 R operator()(typename etl::handle<T> x) { return func(*x); }
2049 };
2050
2051 template <typename F>
2052 handle2ptr_t<F>
2053 handle2ptr(F func)
2054 {
2055 return handle2ptr_t<F>(func);
2056 }
2057 for_each(
2058 renderer_set_.begin(),
2059 renderer_set_.end(),
2060 handle2ptr(
2061 sigc::bind(
2062 sigc::bind(
2063 sigc::mem_fun(
2064 &WorkAreaRenderer::render_vfunc
2065 ),
2066 Gdk::Rectangle(event->area)
2067 ),
2068 drawing_area->get_window()
2069 )
2070 )
2071 );
2072 */
2073
2074 bool
2075 WorkArea::refresh(GdkEventExpose*event)
2076 {
2077 assert(get_canvas());
2078
2079 drawing_area->get_window()->clear();
2080
2081 //const synfig::RendDesc &rend_desc(get_canvas()->rend_desc());
2082
2083 const synfig::Vector focus_point(get_focus_point());
2084
2085 // Update the old focus point
2086 last_focus_point=focus_point;
2087
2088 // Draw out the renderables
2089 {
2090 std::set<etl::handle<WorkAreaRenderer> >::iterator iter;
2091 for(iter=renderer_set_.begin();iter!=renderer_set_.end();++iter)
2092 {
2093 if((*iter)->get_enabled())
2094 (*iter)->render_vfunc(
2095 drawing_area->get_window(),
2096 Gdk::Rectangle(&event->area)
2097 );
2098 }
2099 }
2100
2101 // Calculate the window coordinates of the top-left
2102 // corner of the canvas.
2103 //const synfig::Vector::value_type
2104 // x(focus_point[0]/pw+drawing_area->get_width()/2-w/2),
2105 // y(focus_point[1]/ph+drawing_area->get_height()/2-h/2);
2106
2107 //const synfig::Vector::value_type window_startx(window_tl[0]);
2108 //const synfig::Vector::value_type window_endx(window_br[0]);
2109 //const synfig::Vector::value_type window_starty(window_tl[1]);
2110 //const synfig::Vector::value_type window_endy(window_br[1]);
2111
2112 Glib::RefPtr<Gdk::GC> gc=Gdk::GC::create(drawing_area->get_window());
2113
2114 // If we are in animate mode, draw a red border around the screen
2115 if(canvas_interface->get_mode()&synfigapp::MODE_ANIMATE)
2116 {
2117 // #define USE_FRAME_BACKGROUND_TO_SHOW_EDIT_MODE
2118 #ifdef USE_FRAME_BACKGROUND_TO_SHOW_EDIT_MODE
2119 // This method of drawing the red border doesn't work on any
2120 // Gtk theme which uses the crux-engine, hcengine, industrial,
2121 // mist, or ubuntulooks engine, such as the default ubuntu
2122 // 'Human' theme.
2123 drawing_frame->modify_bg(Gtk::STATE_NORMAL,Gdk::Color("#FF0000"));
2124 #else
2125 // So let's do it in a more primitive fashion.
2126 gc->set_rgb_fg_color(Gdk::Color("#FF0000"));
2127 gc->set_line_attributes(1,Gdk::LINE_SOLID,Gdk::CAP_BUTT,Gdk::JOIN_MITER);
2128 drawing_area->get_window()->draw_rectangle(
2129 gc,
2130 false, // Fill?
2131 0,0, // x,y
2132 drawing_area->get_width()-1,drawing_area->get_height()-1); // w,h
2133 #endif
2134 }
2135 #ifdef USE_FRAME_BACKGROUND_TO_SHOW_EDIT_MODE
2136 else
2137 drawing_frame->unset_bg(Gtk::STATE_NORMAL);
2138 #endif
2139
2140 return true;
2141 }
2142
2143 void
2144 WorkArea::done_rendering()
2145 {
2146 /*
2147 assert(buffer);
2148 assert(w>0);
2149 assert(h>0);
2150 pix_buf=Gdk::Pixbuf::create_from_data(
2151 buffer, // pointer to the data
2152 Gdk::COLORSPACE_RGB, // the colorspace
2153 true, // has alpha?
2154 8, // bits per sample
2155 w, // width
2156 h, // height
2157 w*bpp); // stride (pitch)
2158 assert(pix_buf);
2159 */
2160 }
2161
2162
2163 void
2164 WorkArea::set_quality(int x)
2165 {
2166 if(x==quality)
2167 return;
2168 quality=x;
2169 queue_render_preview();
2170 }
2171
2172 void
2173 WorkArea::set_low_res_pixel_size(int x)
2174 {
2175 if(x==low_res_pixel_size)
2176 return;
2177 low_res_pixel_size=x;
2178 queue_render_preview();
2179 }
2180
2181 namespace studio
2182 {
2183 class WorkAreaProgress : public synfig::ProgressCallback
2184 {
2185 WorkArea *work_area;
2186 ProgressCallback *cb;
2187
2188 public:
2189
2190 WorkAreaProgress(WorkArea *work_area,ProgressCallback *cb):
2191 work_area(work_area),cb(cb)
2192 {
2193 assert(cb);
2194 }
2195
2196 virtual bool
2197 task(const std::string &str)
2198 {
2199 if(work_area->dirty)
2200 return false;
2201 return cb->task(str);
2202 }
2203
2204 virtual bool
2205 error(const std::string &err)
2206 {
2207 if(work_area->dirty)
2208 return false;
2209 return cb->error(err);
2210 }
2211
2212 virtual bool
2213 amount_complete(int current, int total)
2214 {
2215 if(work_area->dirty)
2216 return false;
2217 return cb->amount_complete(current,total);
2218 }
2219 };
2220 }
2221
2222 bool
2223 studio::WorkArea::async_update_preview()
2224 {
2225 #ifdef SINGLE_THREADED
2226 if (get_updating())
2227 {
2228 stop_updating();
2229 queue_render_preview();
2230 return false;
2231 }
2232 #endif
2233
2234 async_renderer=0;
2235
2236 queued=false;
2237 canceled_=false;
2238 get_canvas_view()->reset_cancel_status();
2239
2240 // This object will mark us as busy until
2241 // we are done.
2242 //studio::App::Busy busy;
2243
2244 //WorkAreaProgress callback(this,get_canvas_view()->get_ui_interface().get());
2245 //synfig::ProgressCallback *cb=&callback;
2246
2247 if(!is_visible())return false;
2248
2249 /*
2250 // If we are queued to render the scene at the next idle
2251 // go ahead and de-queue it.
2252 if(render_idle_func_id)
2253 {
2254 g_source_remove(render_idle_func_id);
2255 //queued=false;
2256 render_idle_func_id=0;
2257 }
2258 */
2259
2260 dirty=false;
2261 get_canvas_view()->reset_cancel_status();
2262
2263 //bool ret=false;
2264 RendDesc desc=get_canvas()->rend_desc();
2265
2266 int w=(int)(desc.get_w()*zoom);
2267 int h=(int)(desc.get_h()*zoom);
2268
2269 // ensure that the size we draw is at least one pixel in each dimension
2270 int min_size = low_resolution ? low_res_pixel_size : 1;
2271 if (w < min_size) w = min_size;
2272 if (h < min_size) h = min_size;
2273
2274 // Setup the description parameters
2275 desc.set_antialias(1);
2276 desc.set_time(cur_time);
2277
2278 set_rend_desc(desc);
2279
2280 // Create the render target
2281 handle<Target> target;
2282
2283 // if we have lots of pixels to render and the tile renderer isn't disabled, use it
2284 int div;
2285 div = low_resolution ? low_res_pixel_size : 1;
2286 if (w*h > 240*div*135*div && !getenv("SYNFIG_DISABLE_TILE_RENDER"))
2287 {
2288 // do a tile render
2289 handle<WorkAreaTarget> trgt(new class WorkAreaTarget(this,w,h));
2290
2291 trgt->set_rend_desc(&desc);
2292 trgt->set_onion_skin(get_onion_skin());
2293 target=trgt;
2294 }
2295 else
2296 {
2297 // do a scanline render
2298 handle<WorkAreaTarget_Full> trgt(new class WorkAreaTarget_Full(this,w,h));
2299
2300 trgt->set_rend_desc(&desc);
2301 trgt->set_onion_skin(get_onion_skin());
2302 target=trgt;
2303 }
2304
2305 // We can rest assured that our time has already
2306 // been set, so there is no need to have to
2307 // recalculate that over again.
2308 // UPDATE: This is kind of needless with
2309 // the way that time is handled now in SYNFIG.
2310 //target->set_avoid_time_sync(true);
2311 async_renderer=new AsyncRenderer(target);
2312 async_renderer->signal_finished().connect(
2313 sigc::mem_fun(this,&WorkArea::async_update_finished)
2314 );
2315
2316 rendering=true;
2317 async_renderer->start();
2318
2319 synfig::ProgressCallback *cb=get_canvas_view()->get_ui_interface().get();
2320
2321 rendering=true;
2322 cb->task(_("Rendering..."));
2323 rendering=true;
2324
2325 return true;
2326 }
2327
2328 void
2329 studio::WorkArea::async_update_finished()
2330 {
2331 synfig::ProgressCallback *cb=get_canvas_view()->get_ui_interface().get();
2332
2333 rendering=false;
2334
2335 if(!async_renderer)
2336 return;
2337
2338 // If we completed successfully, then
2339 // we aren't dirty anymore
2340 if(async_renderer->has_success())
2341 {
2342 dirty=false;
2343 //queued=false;
2344 cb->task(_("Idle"));
2345 }
2346 else
2347 {
2348 dirty=true;
2349 cb->task(_("Render Failed"));
2350 }
2351 //get_canvas_view()->reset_cancel_status();
2352 done_rendering();
2353 }
2354
2355 bool
2356 studio::WorkArea::sync_update_preview()
2357 {
2358 // const Time &time(cur_time);
2359
2360 canceled_=false;
2361 get_canvas_view()->reset_cancel_status();
2362
2363 async_renderer=0;
2364
2365 again:
2366 // This object will mark us as busy until
2367 // we are done.
2368 studio::App::Busy busy;
2369
2370 WorkAreaProgress callback(this,get_canvas_view()->get_ui_interface().get());
2371 synfig::ProgressCallback *cb=&callback;
2372
2373 // We don't want to render if we are already rendering
2374 if(rendering)
2375 {
2376 dirty=true;
2377 return false;
2378 }
2379
2380 if(!is_visible())return false;
2381 get_canvas()->set_time(get_time());
2382 get_canvas_view()->get_smach().process_event(EVENT_REFRESH_DUCKS);
2383 signal_rendering()();
2384
2385 // If we are queued to render the scene at the next idle
2386 // go ahead and de-queue it.
2387 if(render_idle_func_id)
2388 {
2389 g_source_remove(render_idle_func_id);
2390 //queued=false;
2391 render_idle_func_id=0;
2392 }
2393 // Start rendering
2394 rendering=true;
2395
2396 dirty=false;
2397 get_canvas_view()->reset_cancel_status();
2398
2399 RendDesc desc=get_canvas()->rend_desc();
2400 //newdesc->set_flags(RendDesc::PX_ASPECT|RendDesc::IM_SPAN);
2401
2402 int w=(int)(desc.get_w()*zoom);
2403 int h=(int)(desc.get_h()*zoom);
2404
2405 // Setup the description parameters
2406 desc.set_antialias(1);
2407 desc.set_time(cur_time);
2408 //desc.set_wh(w,h);
2409
2410 set_rend_desc(desc);
2411
2412 // Create the render target
2413 handle<WorkAreaTarget> target(new class WorkAreaTarget(this,w,h));
2414
2415 target->set_rend_desc(&desc);
2416
2417 // We can rest assured that our time has already
2418 // been set, so there is no need to have to
2419 // recalculate that over again.
2420 target->set_avoid_time_sync(true);
2421
2422 if(cb)
2423 cb->task(strprintf(_("Rendering canvas %s..."),get_canvas()->get_name().c_str()));
2424
2425 bool ret = target->render(cb);
2426
2427 if(!ret && !get_canvas_view()->get_cancel_status() && dirty)
2428 {
2429 rendering=false;
2430 //canceled_=true;
2431 goto again;
2432 }
2433 if(get_canvas_view()->get_cancel_status())
2434 canceled_=true;
2435
2436 if(cb)
2437 {
2438 if(ret)
2439 cb->task(_("Idle"));
2440 else
2441 cb->task(_("Render Failed"));
2442 cb->amount_complete(0,1);
2443 }
2444
2445 // Refresh the work area to make sure that
2446 // it is being displayed correctly
2447 drawing_area->queue_draw();
2448
2449 // If we completed successfully, then
2450 // we aren't dirty anymore
2451 if(ret)
2452 {
2453 dirty=false;
2454 //queued=false;
2455 }
2456 else dirty=true;
2457 rendering=false;
2458 //get_canvas_view()->reset_cancel_status();
2459 done_rendering();
2460 return ret;
2461 }
2462
2463 void
2464 studio::WorkArea::async_render_preview(synfig::Time time)
2465 {
2466 cur_time=time;
2467 //tile_book.clear();
2468
2469 refreshes+=5;
2470 if(!is_visible())return;
2471
2472 get_canvas()->set_time(get_time());
2473 get_canvas_view()->get_smach().process_event(EVENT_REFRESH_DUCKS);
2474 signal_rendering()();
2475
2476 async_update_preview();
2477 }
2478 void
2479 WorkArea::async_render_preview()
2480 {
2481 return async_render_preview(get_canvas_view()->get_time());
2482 }
2483
2484 bool
2485 studio::WorkArea::sync_render_preview(synfig::Time time)
2486 {
2487 cur_time=time;
2488 //tile_book.clear();
2489 refreshes+=5;
2490 if(!is_visible())return false;
2491 return sync_update_preview();
2492 }
2493
2494 bool
2495 WorkArea::sync_render_preview()
2496 {
2497 return sync_render_preview(get_canvas_view()->get_time());
2498 }
2499
2500 void
2501 WorkArea::sync_render_preview_hook()
2502 {
2503 sync_render_preview(get_canvas_view()->get_time());
2504 }
2505
2506 void
2507 WorkArea::queue_scroll()
2508 {
2509 // const synfig::RendDesc &rend_desc(get_canvas()->rend_desc());
2510
2511 const synfig::Point focus_point(get_focus_point());
2512
2513 const synfig::Real
2514 new_x(focus_point[0]/pw+drawing_area->get_width()/2-w/2),
2515 new_y(focus_point[1]/ph+drawing_area->get_height()/2-h/2);
2516
2517 const synfig::Real
2518 old_x(last_focus_point[0]/pw+drawing_area->get_width()/2-w/2),
2519 old_y(last_focus_point[1]/ph+drawing_area->get_height()/2-h/2);
2520
2521 // If the coordinates didn't change, we shouldn't queue a draw
2522 if(old_x==new_x && old_y==new_y)
2523 return;
2524
2525 const int
2526 dx(round_to_int(old_x)-round_to_int(new_x)),
2527 dy(round_to_int(old_y)-round_to_int(new_y));
2528
2529 drawing_area->get_window()->scroll(-dx,-dy);
2530
2531 if (timecode_width && timecode_height)
2532 {
2533 drawing_area->queue_draw_area(4, 4, 4+timecode_width, 4+timecode_height);
2534 drawing_area->queue_draw_area(4-dx, 4-dy, 4-dx+timecode_width, 4-dy+timecode_height);
2535 }
2536
2537 #ifndef USE_FRAME_BACKGROUND_TO_SHOW_EDIT_MODE
2538 if(canvas_interface->get_mode()&synfigapp::MODE_ANIMATE)
2539 {
2540 int maxx = drawing_area->get_width()-1;
2541 int maxy = drawing_area->get_height()-1;
2542
2543 if (dx > 0)
2544 {
2545 drawing_area->queue_draw_area( 0, 0, 1, maxy);
2546 drawing_area->queue_draw_area(maxx-dx, 0, maxx-dx, maxy);
2547 }
2548 else if (dx < 0)
2549 {
2550 drawing_area->queue_draw_area( maxx, 0, maxx, maxy);
2551 drawing_area->queue_draw_area( -dx, 0, -dx, maxy);
2552 }
2553 if (dy > 0)
2554 {
2555 drawing_area->queue_draw_area(0, 0, maxx, 1);
2556 drawing_area->queue_draw_area(0, maxy-dy, maxx, maxy-dy);
2557 }
2558 else if (dy < 0)
2559 {
2560 drawing_area->queue_draw_area(0, maxy, maxx, maxy);
2561 drawing_area->queue_draw_area(0, -dy, maxx, -dy);
2562 }
2563 }
2564 #endif // USE_FRAME_BACKGROUND_TO_SHOW_EDIT_MODE
2565
2566 last_focus_point=focus_point;
2567 }
2568
2569 void
2570 studio::WorkArea::zoom_in()
2571 {
2572 set_zoom(zoom*1.25);
2573 }
2574
2575 void
2576 studio::WorkArea::zoom_out()
2577 {
2578 set_zoom(zoom/1.25);
2579 }
2580
2581 void
2582 studio::WorkArea::zoom_fit()
2583 {
2584 float new_zoom(min(drawing_area->get_width() * zoom / w, drawing_area->get_height() * zoom / h));
2585 if (zoom / new_zoom > 0.995 && new_zoom / zoom > 0.995)
2586 {
2587 set_zoom(prev_zoom);
2588 return set_focus_point(previous_focus);
2589 }
2590 previous_focus = get_focus_point();
2591 prev_zoom = zoom;
2592 set_zoom(new_zoom);
2593 set_focus_point(Point(0,0));
2594 }
2595
2596 void
2597 studio::WorkArea::zoom_norm()
2598 {
2599 if (zoom == 1.0) return set_zoom(prev_zoom);
2600 prev_zoom = zoom;
2601 set_zoom(1.0f);
2602 }
2603
2604 gboolean
2605 studio::WorkArea::__render_preview(gpointer data)
2606 {
2607 WorkArea *work_area(static_cast<WorkArea*>(data));
2608
2609 // there's no point anyone trying to cancel the timer now - it's gone off already
2610 work_area->render_idle_func_id = 0;
2611
2612 work_area->queued=false;
2613 work_area->async_render_preview(work_area->get_canvas_view()->get_time());
2614
2615 return 0;
2616 }
2617
2618 void
2619 studio::WorkArea::queue_render_preview()
2620 {
2621 //synfig::info("queue_render_preview(): called for %s", get_canvas_view()->get_time().get_string().c_str());
2622
2623 if(queued==true)
2624 {
2625 return;
2626 //synfig::info("queue_render_preview(): already queued, unqueuing");
2627 /* if(render_idle_func_id)
2628 g_source_remove(render_idle_func_id);
2629 render_idle_func_id=0;
2630 queued=false;
2631 */
2632 //async_renderer=0;
2633 }
2634
2635 if(dirty_trap_enabled)
2636 {
2637 dirty_trap_queued++;
2638 return;
2639 }
2640
2641 int queue_time=50;
2642
2643 if(rendering)
2644 queue_time+=250;
2645
2646
2647 if(queued==false)
2648 {
2649 //synfig::info("queue_render_preview(): (re)queuing...");
2650 //render_idle_func_id=g_idle_add_full(G_PRIORITY_DEFAULT,__render_preview,this,NULL);
2651 render_idle_func_id=g_timeout_add_full(
2652 G_PRIORITY_DEFAULT, // priority -
2653 queue_time, // interval - the time between calls to the function, in milliseconds (1/1000ths of a second)
2654 __render_preview, // function - function to call
2655 this, // data - data to pass to function
2656 NULL); // notify - function to call when the idle is removed, or NULL
2657 queued=true;
2658 }
2659 /* else if(rendering)
2660 {
2661 refreshes+=5;
2662 dirty=true;
2663 queue_draw();
2664 }
2665 */
2666 }
2667
2668 DirtyTrap::DirtyTrap(WorkArea *work_area):work_area(work_area)
2669 {
2670 work_area->dirty_trap_enabled=true;
2671
2672 work_area->dirty_trap_queued=0;
2673 }
2674
2675 DirtyTrap::~DirtyTrap()
2676 {
2677 work_area->dirty_trap_enabled=false;
2678 if(work_area->dirty_trap_queued)
2679 work_area->queue_render_preview();
2680 }
2681
2682 void
2683 studio::WorkArea::queue_draw_preview()
2684 {
2685 drawing_area->queue_draw();
2686 }
2687
2688 void
2689 studio::WorkArea::set_cursor(const Gdk::Cursor& x)
2690 {
2691 drawing_area->get_window()->set_cursor(x);
2692 }
2693 void
2694 studio::WorkArea::set_cursor(Gdk::CursorType x)
2695 {
2696 drawing_area->get_window()->set_cursor(Gdk::Cursor(x));
2697 }
2698
2699 #include "iconcontroller.h"
2700
2701 void
2702 studio::WorkArea::refresh_cursor()
2703 {
2704 // set_cursor(IconController::get_tool_cursor(canvas_view->get_smach().get_state_name(),drawing_area->get_window()));
2705 }
2706
2707 void
2708 studio::WorkArea::reset_cursor()
2709 {
2710 drawing_area->get_window()->set_cursor(Gdk::Cursor(Gdk::TOP_LEFT_ARROW));
2711 // set_cursor(Gdk::TOP_LEFT_ARROW);
2712 }
2713
2714 void
2715 studio::WorkArea::set_zoom(float z)
2716 {
2717 z=max(1.0f/128.0f,min(128.0f,z));
2718 if(z==zoom)
2719 return;
2720 zoom = z;
2721 refresh_dimension_info();
2722 /*if(async_renderer)
2723 {
2724 async_renderer->stop();
2725 async_renderer=0;
2726 }*/
2727 refreshes+=5;
2728 async_update_preview();
2729 //queue_render_preview();
2730 }
2731
2732 void
2733 WorkArea::set_selected_value_node(etl::loose_handle<synfig::ValueNode> x)
2734 {
2735 if(x!=selected_value_node_)
2736 {
2737 selected_value_node_=x;
2738 queue_draw();
2739 }
2740 }
2741
2742 void
2743 WorkArea::insert_renderer(const etl::handle<WorkAreaRenderer> &x)
2744 {
2745 renderer_set_.insert(x);
2746 x->set_work_area(this);
2747 queue_draw();
2748 }
2749
2750 void
2751 WorkArea::insert_renderer(const etl::handle<WorkAreaRenderer> &x, int priority)
2752 {
2753 x->set_priority(priority);
2754 insert_renderer(x);
2755 }
2756
2757 void
2758 WorkArea::erase_renderer(const etl::handle<WorkAreaRenderer> &x)
2759 {
2760 x->set_work_area(0);
2761 renderer_set_.erase(x);
2762 queue_draw();
2763 }
2764
2765 void
2766 WorkArea::resort_render_set()
2767 {
2768 std::set<etl::handle<WorkAreaRenderer> > tmp(
2769 renderer_set_.begin(),
2770 renderer_set_.end()
2771 );
2772 renderer_set_.swap(tmp);
2773 queue_draw();
2774 }
Synfig 2D Animation Studio