--- /dev/null
+/* === S Y N F I G ========================================================= */
+/*! \file layer.cpp
+** \brief Layer class implementation
+**
+** $Id$
+**
+** \legal
+** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
+** Copyright (c) 2007, 2008 Chris Moore
+**
+** 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 ======================================================= */
+
+#define SYNFIG_NO_ANGLE
+
+#ifdef USING_PCH
+# include "pch.h"
+#else
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include "canvas.h"
+#include "layer.h"
+#include "render.h"
+#include "value.h"
+#include "layer_bitmap.h"
+#include "layer_mime.h"
+#include "context.h"
+#include "paramdesc.h"
+
+#include "layer_solidcolor.h"
+#include "layer_polygon.h"
+#include "layer_pastecanvas.h"
+#include "layer_motionblur.h"
+#include "layer_duplicate.h"
+
+#include "valuenode_const.h"
+
+#include "transform.h"
+#include "rect.h"
+#include "guid.h"
+
+#include <sigc++/adaptors/bind.h>
+#endif
+
+/* === U S I N G =========================================================== */
+
+using namespace etl;
+using namespace std;
+using namespace synfig;
+
+/* === G L O B A L S ======================================================= */
+
+static Layer::Book* _layer_book;
+
+struct _LayerCounter
+{
+ static int counter;
+ ~_LayerCounter()
+ {
+ if(counter)
+ synfig::error("%d layers not yet deleted!",counter);
+ }
+} _layer_counter;
+
+int _LayerCounter::counter(0);
+
+/* === P R O C E D U R E S ================================================= */
+
+Layer::Book&
+Layer::book()
+{
+ return *_layer_book;
+}
+
+void
+Layer::register_in_book(const BookEntry &entry)
+{
+ book()[entry.name]=entry;
+}
+
+bool
+Layer::subsys_init()
+{
+ _layer_book=new Book();
+
+#define INCLUDE_LAYER(class) \
+ synfig::Layer::book() [synfig::String(class::name__)] = \
+ BookEntry(class::create, \
+ class::name__, \
+ dgettext("synfig", class::local_name__), \
+ class::category__, \
+ class::cvs_id__, \
+ class::version__)
+
+#define LAYER_ALIAS(class,alias) \
+ synfig::Layer::book()[synfig::String(alias)] = \
+ BookEntry(class::create, \
+ alias, \
+ alias, \
+ CATEGORY_DO_NOT_USE, \
+ class::cvs_id__, \
+ class::version__)
+
+ INCLUDE_LAYER(Layer_SolidColor); LAYER_ALIAS(Layer_SolidColor, "solid_color");
+ INCLUDE_LAYER(Layer_PasteCanvas); LAYER_ALIAS(Layer_PasteCanvas, "paste_canvas");
+ INCLUDE_LAYER(Layer_Polygon); LAYER_ALIAS(Layer_Polygon, "Polygon");
+ INCLUDE_LAYER(Layer_MotionBlur); LAYER_ALIAS(Layer_MotionBlur, "motion_blur");
+ INCLUDE_LAYER(Layer_Duplicate);
+
+#undef INCLUDE_LAYER
+
+ return true;
+}
+
+bool
+Layer::subsys_stop()
+{
+ delete _layer_book;
+ return true;
+}
+
+/* === M E T H O D S ======================================================= */
+
+Layer::Layer():
+ active_(true),
+ z_depth_(0.0f),
+ dirty_time_(Time::end())
+{
+ _LayerCounter::counter++;
+}
+
+Layer::LooseHandle
+synfig::Layer::create(const String &name)
+{
+ if(!book().count(name))
+ {
+ return Layer::LooseHandle(new Layer_Mime(name));
+ }
+
+ Layer* layer(book()[name].factory());
+ return Layer::LooseHandle(layer);
+}
+
+synfig::Layer::~Layer()
+{
+ _LayerCounter::counter--;
+ while(!dynamic_param_list_.empty())
+ {
+ remove_child(dynamic_param_list_.begin()->second.get());
+ dynamic_param_list_.erase(dynamic_param_list_.begin());
+ }
+
+ remove_from_all_groups();
+
+ parent_death_connect_.disconnect();
+ begin_delete();
+}
+
+void
+synfig::Layer::set_canvas(etl::loose_handle<Canvas> x)
+{
+ if(canvas_!=x)
+ {
+ parent_death_connect_.disconnect();
+ canvas_=x;
+ if(x)
+ {
+ parent_death_connect_=x->signal_deleted().connect(
+ sigc::bind(
+ sigc::mem_fun(
+ *this,
+ &Layer::set_canvas
+ ),
+ etl::loose_handle<synfig::Canvas>(0)
+ )
+ );
+ }
+ on_canvas_set();
+ }
+}
+
+void
+synfig::Layer::on_canvas_set()
+{
+}
+
+etl::loose_handle<synfig::Canvas>
+synfig::Layer::get_canvas()const
+{
+ return canvas_;
+}
+
+int
+Layer::get_depth()const
+{
+ if(!get_canvas())
+ return -1;
+ return get_canvas()->get_depth(const_cast<synfig::Layer*>(this));
+}
+
+void
+Layer::set_active(bool x)
+{
+ if(active_!=x)
+ {
+ active_=x;
+
+ Node::on_changed();
+ signal_status_changed_();
+ }
+}
+
+void
+Layer::set_description(const String& x)
+{
+ if(description_!=x)
+ {
+ description_=x;
+ signal_description_changed_();
+ }
+}
+
+bool
+Layer::connect_dynamic_param(const String& param, etl::loose_handle<ValueNode> value_node)
+{
+ ValueNode::Handle previous(dynamic_param_list_[param]);
+
+ if(previous==value_node)
+ return true;
+
+ dynamic_param_list_[param]=ValueNode::Handle(value_node);
+
+ if(previous)
+ remove_child(previous.get());
+
+ add_child(value_node.get());
+
+ if(!value_node->is_exported() && get_canvas())
+ {
+ value_node->set_parent_canvas(get_canvas());
+ }
+
+ changed();
+ return true;
+}
+
+bool
+Layer::disconnect_dynamic_param(const String& param)
+{
+ ValueNode::Handle previous(dynamic_param_list_[param]);
+
+ if(previous)
+ {
+ dynamic_param_list_.erase(param);
+
+ // fix 2353284: if two parameters in the same layer are
+ // connected to the same valuenode and we disconnect one of
+ // them, the parent-child relationship for the remaining
+ // connection was being deleted. now we search the parameter
+ // list to see if another parameter uses the same valuenode
+ DynamicParamList::const_iterator iter;
+ for (iter = dynamic_param_list().begin(); iter != dynamic_param_list().end(); iter++)
+ if (iter->second == previous)
+ break;
+ if (iter == dynamic_param_list().end())
+ remove_child(previous.get());
+
+ changed();
+ }
+ return true;
+}
+
+void
+Layer::on_changed()
+{
+ dirty_time_=Time::end();
+ Node::on_changed();
+}
+
+bool
+Layer::set_param(const String ¶m, const ValueBase &value)
+{
+ if(param=="z_depth" && value.same_type_as(z_depth_))
+ {
+ z_depth_=value.get(z_depth_);
+ return true;
+ }
+ return false;
+}
+
+etl::handle<Transform>
+Layer::get_transform()const
+{
+ return 0;
+}
+
+float
+Layer::get_z_depth(const synfig::Time& t)const
+{
+ if(!dynamic_param_list().count("z_depth"))
+ return z_depth_;
+ return (*dynamic_param_list().find("z_depth")->second)(t).get(Real());
+}
+
+Layer::Handle
+Layer::simple_clone()const
+{
+ if(!book().count(get_name())) return 0;
+ Handle ret = create(get_name()).get();
+ ret->group_=group_;
+ //ret->set_canvas(get_canvas());
+ ret->set_description(get_description());
+ ret->set_active(active());
+ ret->set_param_list(get_param_list());
+ for(DynamicParamList::const_iterator iter=dynamic_param_list().begin();iter!=dynamic_param_list().end();++iter)
+ ret->connect_dynamic_param(iter->first, iter->second);
+ return ret;
+}
+
+Layer::Handle
+Layer::clone(const GUID& deriv_guid) const
+{
+ if(!book().count(get_name())) return 0;
+
+ //Layer *ret = book()[get_name()].factory();//create(get_name()).get();
+ Handle ret = create(get_name()).get();
+
+ ret->group_=group_;
+ //ret->set_canvas(get_canvas());
+ ret->set_description(get_description());
+ ret->set_active(active());
+ ret->set_guid(get_guid()^deriv_guid);
+
+ //ret->set_param_list(get_param_list());
+ // Process the parameter list so that
+ // we can duplicate any inline canvases
+ ParamList param_list(get_param_list());
+ for(ParamList::const_iterator iter(param_list.begin()); iter != param_list.end(); ++iter)
+ {
+ if(dynamic_param_list().count(iter->first)==0 && iter->second.get_type()==ValueBase::TYPE_CANVAS)
+ {
+ // This parameter is a canvas. We need a close look.
+ Canvas::Handle canvas(iter->second.get(Canvas::Handle()));
+ if(canvas && canvas->is_inline())
+ {
+ // This parameter is an inline canvas! we need to clone it
+ // before we set it as a parameter.
+ Canvas::Handle new_canvas(canvas->clone(deriv_guid));
+ ValueBase value(new_canvas);
+ ret->set_param(iter->first, value);
+ continue;
+ }
+ }
+
+ // This is a normal parameter,go ahead and set it.
+ ret->set_param(iter->first, iter->second);
+ }
+
+ // Duplicate the dynamic paramlist, but only the exported data nodes
+ DynamicParamList::const_iterator iter;
+ for(iter=dynamic_param_list().begin();iter!=dynamic_param_list().end();++iter)
+ {
+ // Make sure we clone inline canvases
+ if(iter->second->get_type()==ValueBase::TYPE_CANVAS)
+ {
+ Canvas::Handle canvas((*iter->second)(0).get(Canvas::Handle()));
+ if(canvas->is_inline())
+ {
+ Canvas::Handle new_canvas(canvas->clone(deriv_guid));
+ ValueBase value(new_canvas);
+ ret->connect_dynamic_param(iter->first,ValueNode_Const::create(value));
+ continue;
+ }
+ }
+
+ if(iter->second->is_exported())
+ ret->connect_dynamic_param(iter->first,iter->second);
+ else
+ ret->connect_dynamic_param(iter->first,iter->second->clone(deriv_guid));
+ }
+
+ //ret->set_canvas(0);
+
+ return ret;
+}
+
+bool
+Layer::reads_context() const
+{
+ return false;
+}
+
+Rect
+Layer::get_full_bounding_rect(Context context)const
+{
+ if(active())
+ return context.get_full_bounding_rect()|get_bounding_rect();
+ return context.get_full_bounding_rect();
+}
+
+Rect
+Layer::get_bounding_rect()const
+{
+ return Rect::full_plane();
+}
+
+bool
+Layer::set_param_list(const ParamList &list)
+{
+ bool ret=true;
+ if(!list.size())
+ return false;
+ ParamList::const_iterator iter(list.begin());
+ for(;iter!=list.end();++iter)
+ {
+ if(!set_param(iter->first, iter->second))ret=false;
+ }
+ return ret;
+}
+
+Layer::ParamList
+Layer::get_param_list()const
+{
+ ParamList ret;
+
+ Vocab vocab(get_param_vocab());
+
+ Vocab::const_iterator iter=vocab.begin();
+ for(;iter!=vocab.end();++iter)
+ {
+ ret[iter->get_name()]=get_param(iter->get_name());
+ }
+ return ret;
+}
+
+ValueBase
+Layer::get_param(const String & param)const
+{
+ if(param=="z_depth")
+ return get_z_depth();
+
+ return ValueBase();
+}
+
+String
+Layer::get_version()const
+{
+ return get_param("version__").get(String());
+}
+
+bool
+Layer::set_version(const String &/*ver*/)
+{
+ return false;
+}
+
+void
+Layer::reset_version()
+{
+}
+
+
+void
+Layer::set_time(Context context, Time time)const
+{
+ context.set_time(time);
+ dirty_time_=time;
+}
+
+void
+Layer::set_time(Context context, Time time, const Point &pos)const
+{
+ context.set_time(time,pos);
+ dirty_time_=time;
+}
+
+Color
+Layer::get_color(Context context, const Point &pos)const
+{
+ return context.get_color(pos);
+}
+
+synfig::Layer::Handle
+Layer::hit_check(synfig::Context context, const synfig::Point &pos)const
+{
+ return context.hit_check(pos);
+}
+
+/* The default accelerated renderer
+** is anything but accelerated...
+*/
+bool
+Layer::accelerated_render(Context context,Surface *surface,int /*quality*/, const RendDesc &renddesc, ProgressCallback *cb) const
+{
+ handle<Target> target=surface_target(surface);
+ if(!target)
+ {
+ if(cb)cb->error(_("Unable to create surface target"));
+ return false;
+ }
+ RendDesc desc=renddesc;
+ target->set_rend_desc(&desc);
+
+ // When we render, we want to
+ // make sure that we are rendered too...
+ // Since the context iterator is for
+ // the layer after us, we need to back up.
+ // This could be considered a hack, as
+ // it is a possibility that we are indeed
+ // not the previous layer.
+ --context;
+
+ return render(context,target,desc,cb);
+ //return render_threaded(context,target,desc,cb,2);
+}
+
+String
+Layer::get_name()const
+{
+ return get_param("name__").get(String());
+}
+
+String
+Layer::get_local_name()const
+{
+ return get_param("local_name__").get(String());
+}
+
+
+Layer::Vocab
+Layer::get_param_vocab()const
+{
+ Layer::Vocab ret;
+
+ ret.push_back(ParamDesc(z_depth_,"z_depth")
+ .set_local_name(_("Z Depth"))
+ .set_animation_only(true)
+ );
+
+ return ret;
+}
+
+void
+Layer::get_times_vfunc(Node::time_set &set) const
+{
+ DynamicParamList::const_iterator i = dynamic_param_list_.begin(),
+ end = dynamic_param_list_.end();
+
+ for(; i != end; ++i)
+ {
+ const Node::time_set &tset = i->second->get_times();
+ set.insert(tset.begin(),tset.end());
+ }
+}
+
+
+void
+Layer::add_to_group(const String&x)
+{
+ if(x==group_)
+ return;
+ if(!group_.empty())
+ remove_from_all_groups();
+ group_=x;
+ signal_added_to_group()(group_);
+}
+
+void
+Layer::remove_from_group(const String&x)
+{
+ if(group_==x)
+ remove_from_all_groups();
+}
+
+void
+Layer::remove_from_all_groups()
+{
+ if(group_.empty())
+ return;
+ signal_removed_from_group()(group_);
+ group_.clear();
+}
+
+String
+Layer::get_group()const
+{
+ return group_;
+}
+
+const String
+Layer::get_param_local_name(const String ¶m_name)const
+{
+ ParamVocab vocab = get_param_vocab();
+ // loop to find the parameter in the parameter vocab - this gives us its local name
+ for (ParamVocab::iterator iter = vocab.begin(); iter != vocab.end(); iter++)
+ if (iter->get_name() == param_name)
+ return iter->get_local_name();
+ return String();
+}
projects / synfig.git / blobdiff