1 /* === S Y N F I G ========================================================= */
2 /*! \file layer_pastecanvas.cpp
3 ** \brief Template Header
8 ** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
9 ** Copyright (c) 2007 Chris Moore
11 ** This package is free software; you can redistribute it and/or
12 ** modify it under the terms of the GNU General Public License as
13 ** published by the Free Software Foundation; either version 2 of
14 ** the License, or (at your option) any later version.
16 ** This package is distributed in the hope that it will be useful,
17 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
18 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 ** General Public License for more details.
22 /* ========================================================================= */
24 /* === H E A D E R S ======================================================= */
33 #include "layer_pastecanvas.h"
37 #include "paramdesc.h"
41 #include "valuenode.h"
46 /* === U S I N G =========================================================== */
50 using namespace synfig;
52 /* === M A C R O S ========================================================= */
57 //#define SYNFIG_NO_CLIP
60 /* === C L A S S E S ======================================================= */
62 class depth_counter // Makes our recursive depth counter exception-safe
66 depth_counter(int &x):depth(&x) { (*depth)++; }
67 ~depth_counter() { (*depth)--; }
70 /* === G L O B A L S ======================================================= */
72 SYNFIG_LAYER_INIT(Layer_PasteCanvas);
73 SYNFIG_LAYER_SET_NAME(Layer_PasteCanvas,"PasteCanvas"); // todo: use paste_canvas
74 SYNFIG_LAYER_SET_LOCAL_NAME(Layer_PasteCanvas,_("Paste Canvas"));
75 SYNFIG_LAYER_SET_CATEGORY(Layer_PasteCanvas,_("Other"));
76 SYNFIG_LAYER_SET_VERSION(Layer_PasteCanvas,"0.1");
77 SYNFIG_LAYER_SET_CVS_ID(Layer_PasteCanvas,"$Id$");
79 /* === M E T H O D S ======================================================= */
81 Layer_PasteCanvas::Layer_PasteCanvas():
89 curr_time=Time::begin();
92 Layer_PasteCanvas::~Layer_PasteCanvas()
95 canvas->parent_set.erase(this);
98 //if(canvas)DEBUGINFO(strprintf("%d",canvas->count()));
102 //if(canvas && (canvas->is_inline() || !get_canvas() || get_canvas()->get_root()!=canvas->get_root()))
107 Layer_PasteCanvas::get_local_name()const
109 if(!canvas) return _("Pasted Canvas");
110 if(canvas->is_inline()) return _("Inline Canvas");
111 if(canvas->get_root()==get_canvas()->get_root()) return '[' + canvas->get_id() + ']';
113 return '[' + canvas->get_file_name() + ']';
117 Layer_PasteCanvas::get_param_vocab()const
119 Layer::Vocab ret(Layer_Composite::get_param_vocab());
121 ret.push_back(ParamDesc("origin")
122 .set_local_name(_("Origin"))
123 .set_description(_("Point where you want the origin to be"))
125 ret.push_back(ParamDesc("canvas")
126 .set_local_name(_("Canvas"))
127 .set_description(_("Canvas to paste"))
129 ret.push_back(ParamDesc("zoom")
130 .set_local_name(_("Zoom"))
131 .set_description(_("Size of canvas"))
134 ret.push_back(ParamDesc("time_offset")
135 .set_local_name(_("Time Offset"))
138 ret.push_back(ParamDesc("children_lock")
139 .set_local_name(_("Children Lock"))
146 Layer_PasteCanvas::set_param(const String & param, const ValueBase &value)
151 if(param=="canvas" && value.same_type_as(Canvas::Handle()))
153 set_sub_canvas(value.get(Canvas::Handle()));
157 // IMPORT(time_offset);
158 if (param=="time_offset" && value.same_type_as(time_offset))
160 if (time_offset != value.get(Time()))
162 value.put(&time_offset);
163 // notify that the time_offset has changed so we can update the
164 // waypoint positions in parent layers
170 IMPORT(children_lock);
173 return Layer_Composite::set_param(param,value);
177 Layer_PasteCanvas::set_sub_canvas(etl::handle<synfig::Canvas> x)
179 if(canvas && muck_with_time_)
180 remove_child(canvas.get());
182 if(canvas && (canvas->is_inline() || !get_canvas() || get_canvas()->get_root()!=canvas->get_root()))
185 child_changed_connection.disconnect();
190 child_changed_connection=canvas->signal_changed().connect(
193 &Layer_PasteCanvas::changed
198 bounds=(canvas->get_context().get_full_bounding_rect()-canvas->rend_desc().get_focus())*exp(zoom)+origin+canvas->rend_desc().get_focus();
200 if(canvas && muck_with_time_)
201 add_child(canvas.get());
203 if(canvas && (canvas->is_inline() || !get_canvas() || get_canvas()->get_root()!=canvas->get_root()))
210 // This is called whenever the parent canvas gets set/changed
212 Layer_PasteCanvas::on_canvas_set()
214 //synfig::info("before count()=%d",count());
215 if(get_canvas() && canvas && canvas->is_inline() && canvas->parent()!=get_canvas())
217 //synfig::info("during count()=%d",count());
218 canvas->set_inline(get_canvas());
220 //synfig::info("after count()=%d",count());
224 Layer_PasteCanvas::get_param(const String& param)const
230 EXPORT(children_lock);
235 return Layer_Composite::get_param(param);
239 Layer_PasteCanvas::set_time(Context context, Time time)const
241 if(depth==MAX_DEPTH)return;depth_counter counter(depth);
244 context.set_time(time);
247 canvas->set_time(time+time_offset);
249 bounds=(canvas->get_context().get_full_bounding_rect()-canvas->rend_desc().get_focus())*exp(zoom)+origin+canvas->rend_desc().get_focus();
255 synfig::Layer::Handle
256 Layer_PasteCanvas::hit_check(synfig::Context context, const synfig::Point &pos)const
258 if(depth==MAX_DEPTH)return 0;depth_counter counter(depth);
261 Point target_pos=(pos-canvas->rend_desc().get_focus()-origin)/exp(zoom)+canvas->rend_desc().get_focus();
263 if(canvas && get_amount() && canvas->get_context().get_color(target_pos).get_a()>=0.25)
267 return canvas->get_context().hit_check(target_pos);
269 return const_cast<Layer_PasteCanvas*>(this);
272 return context.hit_check(pos);
276 Layer_PasteCanvas::get_color(Context context, const Point &pos)const
278 if(!canvas || !get_amount())
279 return context.get_color(pos);
281 if(depth==MAX_DEPTH)return Color::alpha();depth_counter counter(depth);
283 Point target_pos=(pos-canvas->rend_desc().get_focus()-origin)/exp(zoom)+canvas->rend_desc().get_focus();
285 return Color::blend(canvas->get_context().get_color(target_pos),context.get_color(pos),get_amount(),get_blend_method());
290 Layer_PasteCanvas::accelerated_render(Context context,Surface *surface,int quality, const RendDesc &renddesc, ProgressCallback *cb)const
292 if(cb && !cb->amount_complete(0,10000)) return false;
297 // if we are at the extent of our depth,
298 // then we should just return whatever is under us.
299 return context.accelerated_render(surface,quality,renddesc,cb);
301 depth_counter counter(depth);
303 if(!canvas || !get_amount())
304 return context.accelerated_render(surface,quality,renddesc,cb);
306 if(muck_with_time_ && curr_time!=Time::begin() && canvas->get_time()!=curr_time+time_offset)
308 canvas->set_time(curr_time+time_offset);
311 SuperCallback stageone(cb,0,4500,10000);
312 SuperCallback stagetwo(cb,4500,9000,10000);
313 SuperCallback stagethree(cb,9000,9999,10000);
315 RendDesc desc(renddesc);
316 Vector::value_type zoomfactor=1.0/exp(zoom);
318 desc.set_tl((desc.get_tl()-canvas->rend_desc().get_focus()-origin)*zoomfactor+canvas->rend_desc().get_focus());
319 desc.set_br((desc.get_br()-canvas->rend_desc().get_focus()-origin)*zoomfactor+canvas->rend_desc().get_focus());
320 desc.set_flags(RendDesc::PX_ASPECT);
322 if(is_solid_color() || context->empty())
324 surface->set_wh(renddesc.get_w(),renddesc.get_h());
327 else if(!context.accelerated_render(surface,quality,renddesc,&stageone))
329 Color::BlendMethod blend_method(get_blend_method());
331 const Rect full_bounding_rect(canvas->get_context().get_full_bounding_rect());
335 if(Color::is_onto(blend_method))
338 if(blend_method==Color::BLEND_COMPOSITE)
339 blend_method=Color::BLEND_STRAIGHT;
342 if(!etl::intersect(context.get_full_bounding_rect(),full_bounding_rect+origin))
344 if(Color::is_onto(blend_method))
347 if(blend_method==Color::BLEND_COMPOSITE)
348 blend_method=Color::BLEND_STRAIGHT;
351 #ifndef SYNFIG_NO_CLIP
353 //synfig::info("PasteCanv Clip");
354 Rect area(desc.get_rect()&full_bounding_rect);
356 Point min(area.get_min());
357 Point max(area.get_max());
359 if(desc.get_tl()[0]>desc.get_br()[0])
361 if(desc.get_tl()[1]>desc.get_br()[1])
365 x(floor_to_int((min[0]-desc.get_tl()[0])/desc.get_pw())),
366 y(floor_to_int((min[1]-desc.get_tl()[1])/desc.get_ph())),
367 w(ceil_to_int((max[0]-desc.get_tl()[0])/desc.get_pw())-x),
368 h(ceil_to_int((max[1]-desc.get_tl()[1])/desc.get_ph())-y);
370 desc.set_subwindow(x,y,w,h);
372 Surface pastesurface;
374 // \todo this used to also have "area.area()<=0.000001 || " - is it useful?
375 // it was causing bug #1809480 (Zoom in beyond 8.75 in nested canvases fails)
376 if(desc.get_w()==0 || desc.get_h()==0)
378 if(cb && !cb->amount_complete(10000,10000)) return false;
383 if(!canvas->get_context().accelerated_render(&pastesurface,quality,desc,&stagetwo))
386 Surface::alpha_pen apen(surface->get_pen(x,y));
388 apen.set_alpha(get_amount());
389 apen.set_blend_method(blend_method);
391 pastesurface.blit_to(apen);
395 Surface pastesurface;
397 if(!canvas->get_context().accelerated_render(&pastesurface,quality,desc,&stagetwo))
400 Surface::alpha_pen apen(surface->begin());
402 apen.set_alpha(get_amount());
403 apen.set_blend_method(blend_method);
405 pastesurface.blit_to(apen);
409 if(cb && !cb->amount_complete(10000,10000)) return false;
415 Layer_PasteCanvas::get_bounding_rect()const
420 void Layer_PasteCanvas::get_times_vfunc(Node::time_set &set) const
423 if(canvas) tset = canvas->get_times();
425 Node::time_set::iterator i = tset.begin(), end = tset.end();
427 //Make sure we offset the time...
428 //! \todo: SOMETHING STILL HAS TO BE DONE WITH THE OTHER DIRECTION
429 // (recursing down the tree needs to take this into account too...)
432 #ifdef ADJUST_WAYPOINTS_FOR_TIME_OFFSET // see node.h
437 Layer::get_times_vfunc(set);