1 /* === S Y N F I G ========================================================= */
2 /*! \file layer_pastecanvas.h
3 ** \brief Template Header
5 ** $Id: layer_pastecanvas.cpp,v 1.3 2005/01/24 03:08:18 darco Exp $
8 ** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
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.
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.
21 /* ========================================================================= */
23 /* === H E A D E R S ======================================================= */
32 #include "layer_pastecanvas.h"
36 #include "paramdesc.h"
40 #include "valuenode.h"
45 /* === U S I N G =========================================================== */
49 using namespace synfig;
51 /* === M A C R O S ========================================================= */
56 //#define SYNFIG_NO_CLIP
59 /* === C L A S S E S ======================================================= */
61 class depth_counter // Makes our recursive depth counter exception-safe
65 depth_counter(int &x):depth(&x) { (*depth)++; }
66 ~depth_counter() { (*depth)--; }
69 /* === G L O B A L S ======================================================= */
71 SYNFIG_LAYER_INIT(Layer_PasteCanvas);
72 SYNFIG_LAYER_SET_NAME(Layer_PasteCanvas,"PasteCanvas");
73 SYNFIG_LAYER_SET_LOCAL_NAME(Layer_PasteCanvas,_("Paste Canvas"));
74 SYNFIG_LAYER_SET_CATEGORY(Layer_PasteCanvas,_("Default"));
75 SYNFIG_LAYER_SET_VERSION(Layer_PasteCanvas,"0.1");
76 SYNFIG_LAYER_SET_CVS_ID(Layer_PasteCanvas,"$Id: layer_pastecanvas.cpp,v 1.3 2005/01/24 03:08:18 darco Exp $");
78 /* === M E T H O D S ======================================================= */
80 Layer_PasteCanvas::Layer_PasteCanvas():
86 do_not_muck_with_time_=false;
87 curr_time=Time::begin();
90 Layer_PasteCanvas::~Layer_PasteCanvas()
93 canvas->parent_set.erase(this);
96 //if(canvas)DEBUGINFO(strprintf("%d",canvas->count()));
100 //if(canvas && (canvas->is_inline() || !get_canvas() || get_canvas()->get_root()!=canvas->get_root()))
105 Layer_PasteCanvas::get_local_name()const
107 if(!canvas) return _("Pasted Canvas");
108 if(canvas->is_inline()) return _("Inline Canvas");
109 if(canvas->get_root()==get_canvas()->get_root()) return '[' + canvas->get_id() + ']';
111 return '[' + canvas->get_file_name() + ']';
115 Layer_PasteCanvas::get_param_vocab()const
117 Layer::Vocab ret(Layer_Composite::get_param_vocab());
119 ret.push_back(ParamDesc("origin")
120 .set_local_name(_("Origin"))
121 .set_description(_("Point where you want the origin to be"))
123 ret.push_back(ParamDesc("canvas")
124 .set_local_name(_("Canvas"))
125 .set_description(_("Canvas to paste"))
127 ret.push_back(ParamDesc("zoom")
128 .set_local_name(_("Zoom"))
129 .set_description(_("Size of canvas"))
132 ret.push_back(ParamDesc("time_offset")
133 .set_local_name(_("Time Offset"))
136 ret.push_back(ParamDesc("children_lock")
137 .set_local_name(_("Children Lock"))
144 Layer_PasteCanvas::set_param(const String & param, const ValueBase &value)
148 if(param=="canvas" && value.same_as(Canvas::Handle()))
150 set_sub_canvas(value.get(Canvas::Handle()));
155 IMPORT(children_lock);
159 return Layer_Composite::set_param(param,value);
163 Layer_PasteCanvas::set_sub_canvas(etl::handle<synfig::Canvas> x)
165 if(canvas && !do_not_muck_with_time_)
166 remove_child(canvas.get());
168 if(canvas && (canvas->is_inline() || !get_canvas() || get_canvas()->get_root()!=canvas->get_root()))
171 child_changed_connection.disconnect();
176 child_changed_connection=canvas->signal_changed().connect(
179 &Layer_PasteCanvas::changed
184 bounds=(canvas->get_context().get_full_bounding_rect()-canvas->rend_desc().get_focus())*exp(zoom)+origin+canvas->rend_desc().get_focus();
186 if(canvas && !do_not_muck_with_time_)
187 add_child(canvas.get());
189 if(canvas && (canvas->is_inline() || !get_canvas() || get_canvas()->get_root()!=canvas->get_root()))
196 // This is called whenever the parent canvas gets set/changed
198 Layer_PasteCanvas::on_canvas_set()
200 //synfig::info("before count()=%d",count());
201 if(get_canvas() && canvas && canvas->is_inline() && canvas->parent()!=get_canvas())
203 //synfig::info("during count()=%d",count());
204 canvas->set_inline(get_canvas());
206 //synfig::info("after count()=%d",count());
210 Layer_PasteCanvas::get_param(const String& param)const
216 EXPORT(children_lock);
221 return Layer_Composite::get_param(param);
225 Layer_PasteCanvas::set_time(Context context, Time time)const
227 if(depth==MAX_DEPTH)return;depth_counter counter(depth);
230 context.set_time(time);
233 canvas->set_time(time);
235 bounds=(canvas->get_context().get_full_bounding_rect()-canvas->rend_desc().get_focus())*exp(zoom)+origin+canvas->rend_desc().get_focus();
241 synfig::Layer::Handle
242 Layer_PasteCanvas::hit_check(synfig::Context context, const synfig::Point &pos)const
244 if(depth==MAX_DEPTH)return 0;depth_counter counter(depth);
246 Point target_pos=(pos-canvas->rend_desc().get_focus()-origin)/exp(zoom)+canvas->rend_desc().get_focus();
248 if(canvas && get_amount() && canvas->get_context().get_color(target_pos).get_a()>=0.25)
252 return canvas->get_context().hit_check(target_pos);
254 return const_cast<Layer_PasteCanvas*>(this);
257 return context.hit_check(pos);
261 Layer_PasteCanvas::get_color(Context context, const Point &pos)const
263 if(!canvas || !get_amount())
264 return context.get_color(pos);
266 if(depth==MAX_DEPTH)return Color::alpha();depth_counter counter(depth);
268 Point target_pos=(pos-canvas->rend_desc().get_focus()-origin)/exp(zoom)+canvas->rend_desc().get_focus();
270 return Color::blend(canvas->get_context().get_color(target_pos),context.get_color(pos),get_amount(),get_blend_method());
275 Layer_PasteCanvas::accelerated_render(Context context,Surface *surface,int quality, const RendDesc &renddesc, ProgressCallback *cb)const
277 if(cb && !cb->amount_complete(0,10000)) return false;
282 // if we are at the extent of our depth,
283 // then we should just return whatever is under us.
284 return context.accelerated_render(surface,quality,renddesc,cb);
286 depth_counter counter(depth);
288 if(!canvas || !get_amount())
289 return context.accelerated_render(surface,quality,renddesc,cb);
291 if(!do_not_muck_with_time_ && curr_time!=Time::begin() && canvas->get_time()!=curr_time+time_offset)
293 canvas->set_time(curr_time+time_offset);
296 SuperCallback stageone(cb,0,4500,10000);
297 SuperCallback stagetwo(cb,4500,9000,10000);
298 SuperCallback stagethree(cb,9000,9999,10000);
300 RendDesc desc(renddesc);
301 Vector::value_type zoomfactor=1.0/exp(zoom);
303 desc.set_tl((desc.get_tl()-canvas->rend_desc().get_focus()-origin)*zoomfactor+canvas->rend_desc().get_focus());
304 desc.set_br((desc.get_br()-canvas->rend_desc().get_focus()-origin)*zoomfactor+canvas->rend_desc().get_focus());
305 desc.set_flags(RendDesc::PX_ASPECT);
307 if(is_solid_color() || context->empty())
309 surface->set_wh(renddesc.get_w(),renddesc.get_h());
312 else if(!context.accelerated_render(surface,quality,renddesc,&stageone))
314 Color::BlendMethod blend_method(get_blend_method());
316 const Rect full_bounding_rect(canvas->get_context().get_full_bounding_rect());
320 if(Color::is_onto(blend_method))
323 if(blend_method==Color::BLEND_COMPOSITE)
324 blend_method=Color::BLEND_STRAIGHT;
327 if(!etl::intersect(context.get_full_bounding_rect(),full_bounding_rect))
329 if(Color::is_onto(blend_method))
332 if(blend_method==Color::BLEND_COMPOSITE)
333 blend_method=Color::BLEND_STRAIGHT;
336 #ifndef SYNFIG_NO_CLIP
338 //synfig::info("PasteCanv Clip");
339 Rect area(desc.get_rect()&full_bounding_rect);
341 Point min(area.get_min());
342 Point max(area.get_max());
344 if(desc.get_tl()[0]>desc.get_br()[0])
346 if(desc.get_tl()[1]>desc.get_br()[1])
350 x(floor_to_int((min[0]-desc.get_tl()[0])/desc.get_pw())),
351 y(floor_to_int((min[1]-desc.get_tl()[1])/desc.get_ph())),
352 w(ceil_to_int((max[0]-desc.get_tl()[0])/desc.get_pw())-x),
353 h(ceil_to_int((max[1]-desc.get_tl()[1])/desc.get_ph())-y);
355 desc.set_subwindow(x,y,w,h);
357 Surface pastesurface;
359 if(area.area()<=0.000001 || desc.get_w()==0 || desc.get_h()==0)
361 if(cb && !cb->amount_complete(10000,10000)) return false;
366 if(!canvas->get_context().accelerated_render(&pastesurface,quality,desc,&stagetwo))
369 Surface::alpha_pen apen(surface->get_pen(x,y));
371 apen.set_alpha(get_amount());
372 apen.set_blend_method(blend_method);
374 pastesurface.blit_to(apen);
378 Surface pastesurface;
380 if(!canvas->get_context().accelerated_render(&pastesurface,quality,desc,&stagetwo))
383 Surface::alpha_pen apen(surface->begin());
385 apen.set_alpha(get_amount());
386 apen.set_blend_method(blend_method);
388 pastesurface.blit_to(apen);
392 if(cb && !cb->amount_complete(10000,10000)) return false;
398 Layer_PasteCanvas::get_bounding_rect()const
403 void Layer_PasteCanvas::get_times_vfunc(Node::time_set &set) const
406 if(canvas) tset = canvas->get_times();
408 Node::time_set::iterator i = tset.begin(),
411 //Make sure we offset the time...
412 //TODO: SOMETHING STILL HAS TO BE DONE WITH THE OTHER DIRECTION
413 // (recursing down the tree needs to take this into account too...)
416 set.insert(*i + time_offset);
419 Layer::get_times_vfunc(set);