--- /dev/null
+/* === S Y N F I G ========================================================= */
+/*! \file layer_pastecanvas.cpp
+** \brief Template Header
+**
+** $Id$
+**
+** \legal
+** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
+**
+** This package is free software; you can redistribute it and/or
+** modify it under the terms of the GNU General Public License as
+** published by the Free Software Foundation; either version 2 of
+** the License, or (at your option) any later version.
+**
+** This package is distributed in the hope that it will be useful,
+** but WITHOUT ANY WARRANTY; without even the implied warranty of
+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+** General Public License for more details.
+** \endlegal
+*/
+/* ========================================================================= */
+
+/* === H E A D E R S ======================================================= */
+
+#ifdef USING_PCH
+# include "pch.h"
+#else
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include "layer_pastecanvas.h"
+#include "string.h"
+#include "time.h"
+#include "context.h"
+#include "paramdesc.h"
+#include "renddesc.h"
+#include "surface.h"
+#include "value.h"
+#include "valuenode.h"
+#include "canvas.h"
+
+#endif
+
+/* === U S I N G =========================================================== */
+
+using namespace etl;
+using namespace std;
+using namespace synfig;
+
+/* === M A C R O S ========================================================= */
+
+#define MAX_DEPTH 10
+
+//#ifdef __APPLE__
+//#define SYNFIG_NO_CLIP
+//#endif
+
+/* === C L A S S E S ======================================================= */
+
+class depth_counter // Makes our recursive depth counter exception-safe
+{
+ int *depth;
+public:
+ depth_counter(int &x):depth(&x) { (*depth)++; }
+ ~depth_counter() { (*depth)--; }
+};
+
+/* === G L O B A L S ======================================================= */
+
+SYNFIG_LAYER_INIT(Layer_PasteCanvas);
+SYNFIG_LAYER_SET_NAME(Layer_PasteCanvas,"PasteCanvas");
+SYNFIG_LAYER_SET_LOCAL_NAME(Layer_PasteCanvas,_("Paste Canvas"));
+SYNFIG_LAYER_SET_CATEGORY(Layer_PasteCanvas,_("Default"));
+SYNFIG_LAYER_SET_VERSION(Layer_PasteCanvas,"0.1");
+SYNFIG_LAYER_SET_CVS_ID(Layer_PasteCanvas,"$Id$");
+
+/* === M E T H O D S ======================================================= */
+
+Layer_PasteCanvas::Layer_PasteCanvas():
+ origin(0,0),
+ depth(0),
+ zoom(0),
+ time_offset(0)
+{
+ children_lock=false;
+ do_not_muck_with_time_=false;
+ curr_time=Time::begin();
+}
+
+Layer_PasteCanvas::~Layer_PasteCanvas()
+{
+/* if(canvas)
+ canvas->parent_set.erase(this);
+*/
+
+ //if(canvas)DEBUGINFO(strprintf("%d",canvas->count()));
+
+ set_sub_canvas(0);
+
+ //if(canvas && (canvas->is_inline() || !get_canvas() || get_canvas()->get_root()!=canvas->get_root()))
+ // canvas->unref();
+}
+
+String
+Layer_PasteCanvas::get_local_name()const
+{
+ if(!canvas) return _("Pasted Canvas");
+ if(canvas->is_inline()) return _("Inline Canvas");
+ if(canvas->get_root()==get_canvas()->get_root()) return '[' + canvas->get_id() + ']';
+
+ return '[' + canvas->get_file_name() + ']';
+}
+
+Layer::Vocab
+Layer_PasteCanvas::get_param_vocab()const
+{
+ Layer::Vocab ret(Layer_Composite::get_param_vocab());
+
+ ret.push_back(ParamDesc("origin")
+ .set_local_name(_("Origin"))
+ .set_description(_("Point where you want the origin to be"))
+ );
+ ret.push_back(ParamDesc("canvas")
+ .set_local_name(_("Canvas"))
+ .set_description(_("Canvas to paste"))
+ );
+ ret.push_back(ParamDesc("zoom")
+ .set_local_name(_("Zoom"))
+ .set_description(_("Size of canvas"))
+ );
+
+ ret.push_back(ParamDesc("time_offset")
+ .set_local_name(_("Time Offset"))
+ );
+
+ ret.push_back(ParamDesc("children_lock")
+ .set_local_name(_("Children Lock"))
+ );
+
+ return ret;
+}
+
+bool
+Layer_PasteCanvas::set_param(const String & param, const ValueBase &value)
+{
+ IMPORT(origin);
+
+ if(param=="canvas" && value.same_as(Canvas::Handle()))
+ {
+ set_sub_canvas(value.get(Canvas::Handle()));
+ return true;
+ }
+
+// IMPORT(canvas);
+ IMPORT(children_lock);
+ IMPORT(zoom);
+ IMPORT(time_offset);
+
+ return Layer_Composite::set_param(param,value);
+}
+
+void
+Layer_PasteCanvas::set_sub_canvas(etl::handle<synfig::Canvas> x)
+{
+ if(canvas && !do_not_muck_with_time_)
+ remove_child(canvas.get());
+
+ if(canvas && (canvas->is_inline() || !get_canvas() || get_canvas()->get_root()!=canvas->get_root()))
+ canvas->unref();
+
+ child_changed_connection.disconnect();
+
+ canvas=x;
+
+ /*if(canvas)
+ child_changed_connection=canvas->signal_changed().connect(
+ sigc::mem_fun(
+ *this,
+ &Layer_PasteCanvas::changed
+ )
+ );
+ */
+ if(canvas)
+ bounds=(canvas->get_context().get_full_bounding_rect()-canvas->rend_desc().get_focus())*exp(zoom)+origin+canvas->rend_desc().get_focus();
+
+ if(canvas && !do_not_muck_with_time_)
+ add_child(canvas.get());
+
+ if(canvas && (canvas->is_inline() || !get_canvas() || get_canvas()->get_root()!=canvas->get_root()))
+ canvas->ref();
+
+ if(canvas)
+ on_canvas_set();
+}
+
+// This is called whenever the parent canvas gets set/changed
+void
+Layer_PasteCanvas::on_canvas_set()
+{
+ //synfig::info("before count()=%d",count());
+ if(get_canvas() && canvas && canvas->is_inline() && canvas->parent()!=get_canvas())
+ {
+ //synfig::info("during count()=%d",count());
+ canvas->set_inline(get_canvas());
+ }
+ //synfig::info("after count()=%d",count());
+}
+
+ValueBase
+Layer_PasteCanvas::get_param(const String& param)const
+{
+ EXPORT(origin);
+ EXPORT(canvas);
+ EXPORT(zoom);
+ EXPORT(time_offset);
+ EXPORT(children_lock);
+
+ EXPORT_NAME();
+ EXPORT_VERSION();
+
+ return Layer_Composite::get_param(param);
+}
+
+void
+Layer_PasteCanvas::set_time(Context context, Time time)const
+{
+ if(depth==MAX_DEPTH)return;depth_counter counter(depth);
+ curr_time=time;
+
+ context.set_time(time);
+ if(canvas)
+ {
+ canvas->set_time(time);
+
+ bounds=(canvas->get_context().get_full_bounding_rect()-canvas->rend_desc().get_focus())*exp(zoom)+origin+canvas->rend_desc().get_focus();
+ }
+ else
+ bounds=Rect::zero();
+}
+
+synfig::Layer::Handle
+Layer_PasteCanvas::hit_check(synfig::Context context, const synfig::Point &pos)const
+{
+ if(depth==MAX_DEPTH)return 0;depth_counter counter(depth);
+
+ Point target_pos=(pos-canvas->rend_desc().get_focus()-origin)/exp(zoom)+canvas->rend_desc().get_focus();
+
+ if(canvas && get_amount() && canvas->get_context().get_color(target_pos).get_a()>=0.25)
+ {
+ if(!children_lock)
+ {
+ return canvas->get_context().hit_check(target_pos);
+ }
+ return const_cast<Layer_PasteCanvas*>(this);
+ }
+ else
+ return context.hit_check(pos);
+}
+
+Color
+Layer_PasteCanvas::get_color(Context context, const Point &pos)const
+{
+ if(!canvas || !get_amount())
+ return context.get_color(pos);
+
+ if(depth==MAX_DEPTH)return Color::alpha();depth_counter counter(depth);
+
+ Point target_pos=(pos-canvas->rend_desc().get_focus()-origin)/exp(zoom)+canvas->rend_desc().get_focus();
+
+ return Color::blend(canvas->get_context().get_color(target_pos),context.get_color(pos),get_amount(),get_blend_method());
+}
+
+
+bool
+Layer_PasteCanvas::accelerated_render(Context context,Surface *surface,int quality, const RendDesc &renddesc, ProgressCallback *cb)const
+{
+ if(cb && !cb->amount_complete(0,10000)) return false;
+
+ if(depth==MAX_DEPTH)
+ {
+ DEBUGPOINT();
+ // if we are at the extent of our depth,
+ // then we should just return whatever is under us.
+ return context.accelerated_render(surface,quality,renddesc,cb);
+ }
+ depth_counter counter(depth);
+
+ if(!canvas || !get_amount())
+ return context.accelerated_render(surface,quality,renddesc,cb);
+
+ if(!do_not_muck_with_time_ && curr_time!=Time::begin() && canvas->get_time()!=curr_time+time_offset)
+ {
+ canvas->set_time(curr_time+time_offset);
+ }
+
+ SuperCallback stageone(cb,0,4500,10000);
+ SuperCallback stagetwo(cb,4500,9000,10000);
+ SuperCallback stagethree(cb,9000,9999,10000);
+
+ RendDesc desc(renddesc);
+ Vector::value_type zoomfactor=1.0/exp(zoom);
+ desc.clear_flags();
+ desc.set_tl((desc.get_tl()-canvas->rend_desc().get_focus()-origin)*zoomfactor+canvas->rend_desc().get_focus());
+ desc.set_br((desc.get_br()-canvas->rend_desc().get_focus()-origin)*zoomfactor+canvas->rend_desc().get_focus());
+ desc.set_flags(RendDesc::PX_ASPECT);
+
+ if(is_solid_color() || context->empty())
+ {
+ surface->set_wh(renddesc.get_w(),renddesc.get_h());
+ surface->clear();
+ }
+ else if(!context.accelerated_render(surface,quality,renddesc,&stageone))
+ return false;
+ Color::BlendMethod blend_method(get_blend_method());
+
+ const Rect full_bounding_rect(canvas->get_context().get_full_bounding_rect());
+
+ if(context->empty())
+ {
+ if(Color::is_onto(blend_method))
+ return true;
+
+ if(blend_method==Color::BLEND_COMPOSITE)
+ blend_method=Color::BLEND_STRAIGHT;
+ }
+ else
+ if(!etl::intersect(context.get_full_bounding_rect(),full_bounding_rect+origin))
+ {
+ if(Color::is_onto(blend_method))
+ return true;
+
+ if(blend_method==Color::BLEND_COMPOSITE)
+ blend_method=Color::BLEND_STRAIGHT;
+ }
+
+#ifndef SYNFIG_NO_CLIP
+ {
+ //synfig::info("PasteCanv Clip");
+ Rect area(desc.get_rect()&full_bounding_rect);
+
+ Point min(area.get_min());
+ Point max(area.get_max());
+
+ if(desc.get_tl()[0]>desc.get_br()[0])
+ swap(min[0],max[0]);
+ if(desc.get_tl()[1]>desc.get_br()[1])
+ swap(min[1],max[1]);
+
+ const int
+ x(floor_to_int((min[0]-desc.get_tl()[0])/desc.get_pw())),
+ y(floor_to_int((min[1]-desc.get_tl()[1])/desc.get_ph())),
+ w(ceil_to_int((max[0]-desc.get_tl()[0])/desc.get_pw())-x),
+ h(ceil_to_int((max[1]-desc.get_tl()[1])/desc.get_ph())-y);
+
+ desc.set_subwindow(x,y,w,h);
+
+ Surface pastesurface;
+
+ if(area.area()<=0.000001 || desc.get_w()==0 || desc.get_h()==0)
+ {
+ if(cb && !cb->amount_complete(10000,10000)) return false;
+
+ return true;
+ }
+
+ if(!canvas->get_context().accelerated_render(&pastesurface,quality,desc,&stagetwo))
+ return false;
+
+ Surface::alpha_pen apen(surface->get_pen(x,y));
+
+ apen.set_alpha(get_amount());
+ apen.set_blend_method(blend_method);
+
+ pastesurface.blit_to(apen);
+ }
+#else
+ {
+ Surface pastesurface;
+
+ if(!canvas->get_context().accelerated_render(&pastesurface,quality,desc,&stagetwo))
+ return false;
+
+ Surface::alpha_pen apen(surface->begin());
+
+ apen.set_alpha(get_amount());
+ apen.set_blend_method(blend_method);
+
+ pastesurface.blit_to(apen);
+ }
+#endif
+
+ if(cb && !cb->amount_complete(10000,10000)) return false;
+
+ return true;
+}
+
+Rect
+Layer_PasteCanvas::get_bounding_rect()const
+{
+ return bounds;
+}
+
+void Layer_PasteCanvas::get_times_vfunc(Node::time_set &set) const
+{
+ Node::time_set tset;
+ if(canvas) tset = canvas->get_times();
+
+ Node::time_set::iterator i = tset.begin(),
+ end = tset.end();
+
+ //Make sure we offset the time...
+ //TODO: SOMETHING STILL HAS TO BE DONE WITH THE OTHER DIRECTION
+ // (recursing down the tree needs to take this into account too...)
+ for(; i != end; ++i)
+ {
+ set.insert(*i + time_offset);
+ }
+
+ Layer::get_times_vfunc(set);
+}