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():
87 do_not_muck_with_time_=false;
88 curr_time=Time::begin();
91 Layer_PasteCanvas::~Layer_PasteCanvas()
94 canvas->parent_set.erase(this);
97 //if(canvas)DEBUGINFO(strprintf("%d",canvas->count()));
101 //if(canvas && (canvas->is_inline() || !get_canvas() || get_canvas()->get_root()!=canvas->get_root()))
106 Layer_PasteCanvas::get_local_name()const
108 if(!canvas) return _("Pasted Canvas");
109 if(canvas->is_inline()) return _("Inline Canvas");
110 if(canvas->get_root()==get_canvas()->get_root()) return '[' + canvas->get_id() + ']';
112 return '[' + canvas->get_file_name() + ']';
116 Layer_PasteCanvas::get_param_vocab()const
118 Layer::Vocab ret(Layer_Composite::get_param_vocab());
120 ret.push_back(ParamDesc("origin")
121 .set_local_name(_("Origin"))
122 .set_description(_("Point where you want the origin to be"))
124 ret.push_back(ParamDesc("canvas")
125 .set_local_name(_("Canvas"))
126 .set_description(_("Canvas to paste"))
128 ret.push_back(ParamDesc("zoom")
129 .set_local_name(_("Zoom"))
130 .set_description(_("Size of canvas"))
133 ret.push_back(ParamDesc("time_offset")
134 .set_local_name(_("Time Offset"))
137 ret.push_back(ParamDesc("children_lock")
138 .set_local_name(_("Children Lock"))
145 Layer_PasteCanvas::set_param(const String & param, const ValueBase &value)
149 if(param=="canvas" && value.same_as(Canvas::Handle()))
151 set_sub_canvas(value.get(Canvas::Handle()));
156 IMPORT(children_lock);
160 return Layer_Composite::set_param(param,value);
164 Layer_PasteCanvas::set_sub_canvas(etl::handle<synfig::Canvas> x)
166 if(canvas && !do_not_muck_with_time_)
167 remove_child(canvas.get());
169 if(canvas && (canvas->is_inline() || !get_canvas() || get_canvas()->get_root()!=canvas->get_root()))
172 child_changed_connection.disconnect();
177 child_changed_connection=canvas->signal_changed().connect(
180 &Layer_PasteCanvas::changed
185 bounds=(canvas->get_context().get_full_bounding_rect()-canvas->rend_desc().get_focus())*exp(zoom)+origin+canvas->rend_desc().get_focus();
187 if(canvas && !do_not_muck_with_time_)
188 add_child(canvas.get());
190 if(canvas && (canvas->is_inline() || !get_canvas() || get_canvas()->get_root()!=canvas->get_root()))
197 // This is called whenever the parent canvas gets set/changed
199 Layer_PasteCanvas::on_canvas_set()
201 //synfig::info("before count()=%d",count());
202 if(get_canvas() && canvas && canvas->is_inline() && canvas->parent()!=get_canvas())
204 //synfig::info("during count()=%d",count());
205 canvas->set_inline(get_canvas());
207 //synfig::info("after count()=%d",count());
211 Layer_PasteCanvas::get_param(const String& param)const
217 EXPORT(children_lock);
222 return Layer_Composite::get_param(param);
226 Layer_PasteCanvas::set_time(Context context, Time time)const
228 if(depth==MAX_DEPTH)return;depth_counter counter(depth);
231 context.set_time(time);
234 canvas->set_time(time);
236 bounds=(canvas->get_context().get_full_bounding_rect()-canvas->rend_desc().get_focus())*exp(zoom)+origin+canvas->rend_desc().get_focus();
242 synfig::Layer::Handle
243 Layer_PasteCanvas::hit_check(synfig::Context context, const synfig::Point &pos)const
245 if(depth==MAX_DEPTH)return 0;depth_counter counter(depth);
247 Point target_pos=(pos-canvas->rend_desc().get_focus()-origin)/exp(zoom)+canvas->rend_desc().get_focus();
249 if(canvas && get_amount() && canvas->get_context().get_color(target_pos).get_a()>=0.25)
253 return canvas->get_context().hit_check(target_pos);
255 return const_cast<Layer_PasteCanvas*>(this);
258 return context.hit_check(pos);
262 Layer_PasteCanvas::get_color(Context context, const Point &pos)const
264 if(!canvas || !get_amount())
265 return context.get_color(pos);
267 if(depth==MAX_DEPTH)return Color::alpha();depth_counter counter(depth);
269 Point target_pos=(pos-canvas->rend_desc().get_focus()-origin)/exp(zoom)+canvas->rend_desc().get_focus();
271 return Color::blend(canvas->get_context().get_color(target_pos),context.get_color(pos),get_amount(),get_blend_method());
276 Layer_PasteCanvas::accelerated_render(Context context,Surface *surface,int quality, const RendDesc &renddesc, ProgressCallback *cb)const
278 if(cb && !cb->amount_complete(0,10000)) return false;
283 // if we are at the extent of our depth,
284 // then we should just return whatever is under us.
285 return context.accelerated_render(surface,quality,renddesc,cb);
287 depth_counter counter(depth);
289 if(!canvas || !get_amount())
290 return context.accelerated_render(surface,quality,renddesc,cb);
292 if(!do_not_muck_with_time_ && curr_time!=Time::begin() && canvas->get_time()!=curr_time+time_offset)
294 canvas->set_time(curr_time+time_offset);
297 SuperCallback stageone(cb,0,4500,10000);
298 SuperCallback stagetwo(cb,4500,9000,10000);
299 SuperCallback stagethree(cb,9000,9999,10000);
301 RendDesc desc(renddesc);
302 Vector::value_type zoomfactor=1.0/exp(zoom);
304 desc.set_tl((desc.get_tl()-canvas->rend_desc().get_focus()-origin)*zoomfactor+canvas->rend_desc().get_focus());
305 desc.set_br((desc.get_br()-canvas->rend_desc().get_focus()-origin)*zoomfactor+canvas->rend_desc().get_focus());
306 desc.set_flags(RendDesc::PX_ASPECT);
308 if(is_solid_color() || context->empty())
310 surface->set_wh(renddesc.get_w(),renddesc.get_h());
313 else if(!context.accelerated_render(surface,quality,renddesc,&stageone))
315 Color::BlendMethod blend_method(get_blend_method());
317 const Rect full_bounding_rect(canvas->get_context().get_full_bounding_rect());
321 if(Color::is_onto(blend_method))
324 if(blend_method==Color::BLEND_COMPOSITE)
325 blend_method=Color::BLEND_STRAIGHT;
328 if(!etl::intersect(context.get_full_bounding_rect(),full_bounding_rect+origin))
330 if(Color::is_onto(blend_method))
333 if(blend_method==Color::BLEND_COMPOSITE)
334 blend_method=Color::BLEND_STRAIGHT;
337 #ifndef SYNFIG_NO_CLIP
339 //synfig::info("PasteCanv Clip");
340 Rect area(desc.get_rect()&full_bounding_rect);
342 Point min(area.get_min());
343 Point max(area.get_max());
345 if(desc.get_tl()[0]>desc.get_br()[0])
347 if(desc.get_tl()[1]>desc.get_br()[1])
351 x(floor_to_int((min[0]-desc.get_tl()[0])/desc.get_pw())),
352 y(floor_to_int((min[1]-desc.get_tl()[1])/desc.get_ph())),
353 w(ceil_to_int((max[0]-desc.get_tl()[0])/desc.get_pw())-x),
354 h(ceil_to_int((max[1]-desc.get_tl()[1])/desc.get_ph())-y);
356 desc.set_subwindow(x,y,w,h);
358 Surface pastesurface;
360 if(area.area()<=0.000001 || desc.get_w()==0 || desc.get_h()==0)
362 if(cb && !cb->amount_complete(10000,10000)) return false;
367 if(!canvas->get_context().accelerated_render(&pastesurface,quality,desc,&stagetwo))
370 Surface::alpha_pen apen(surface->get_pen(x,y));
372 apen.set_alpha(get_amount());
373 apen.set_blend_method(blend_method);
375 pastesurface.blit_to(apen);
379 Surface pastesurface;
381 if(!canvas->get_context().accelerated_render(&pastesurface,quality,desc,&stagetwo))
384 Surface::alpha_pen apen(surface->begin());
386 apen.set_alpha(get_amount());
387 apen.set_blend_method(blend_method);
389 pastesurface.blit_to(apen);
393 if(cb && !cb->amount_complete(10000,10000)) return false;
399 Layer_PasteCanvas::get_bounding_rect()const
404 void Layer_PasteCanvas::get_times_vfunc(Node::time_set &set) const
407 if(canvas) tset = canvas->get_times();
409 Node::time_set::iterator i = tset.begin(),
412 //Make sure we offset the time...
413 //TODO: SOMETHING STILL HAS TO BE DONE WITH THE OTHER DIRECTION
414 // (recursing down the tree needs to take this into account too...)
417 set.insert(*i + time_offset);
420 Layer::get_times_vfunc(set);