X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=synfig-core%2Fsrc%2Fsynfig%2Flayer.cpp;fp=synfig-core%2Fsrc%2Fsynfig%2Flayer.cpp;h=8fcbfbff9843dcfffd41611292315f7bc5ea43ce;hb=a095981e18cc37a8ecc7cd237cc22b9c10329264;hp=0000000000000000000000000000000000000000;hpb=9459638ad6797b8139f1e9f0715c96076dbf0890;p=synfig.git

diff --git a/synfig-core/src/synfig/layer.cpp b/synfig-core/src/synfig/layer.cpp
new file mode 100644
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+++ b/synfig-core/src/synfig/layer.cpp
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+/* === 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 &param, 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 &param_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();
+}