+++ /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
-**
-** 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 "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__,class::local_name__,class::category__,class::cvs_id__,class::version__)
-#define LAYER_ALIAS(class,alias) synfig::Layer::book()[synfig::String(alias)]=synfig::Layer::BookEntry(class::create,alias,alias,_("Do Not Use"),class::cvs_id__,class::version__);
-
- INCLUDE_LAYER(Layer_SolidColor);
- INCLUDE_LAYER(Layer_PasteCanvas);
- INCLUDE_LAYER(Layer_Polygon);
- LAYER_ALIAS(Layer_Polygon,"Polygon");
- INCLUDE_LAYER(Layer_MotionBlur);
-
-#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);
- remove_child(previous.get());
- changed();
- }
- return true;
-}
-
-void
-Layer::on_changed()
-{
- dirty_time_=Time::end();
- if(active())
- Node::on_changed();
-}
-
-bool
-Layer::set_param(const String ¶m, const ValueBase &value)
-{
- if(param=="z_depth" && value.same_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*
-Layer::simple_clone()const
-{
- if(!book().count(get_name())) return 0;
- Layer *ret = create(get_name()).get();
- ret->set_canvas(get_canvas());
- ret->set_description(get_description());
- ret->set_param_list(get_param_list());
- 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 sothat
- // we can duplicate any inlinecanvases
- 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->is_inline())
- {
- // This parameter is an inlinecanvas! we need to clone it
- // before we set it as aparameter.
- 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 inlinecanvases
- 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;
-}
-
-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_;
-}
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