--- /dev/null
+/* === S Y N F I G ========================================================= */
+/*! \file valuenode.cpp
+** \brief Implementation of the "Placeholder" valuenode conversion.
+**
+** $Id$
+**
+** \legal
+** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
+** Copyright (c) 2007, 2008 Chris Moore
+** Copyright (c) 2008 Carlos López
+**
+** 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
+
+//#define HAS_HASH_MAP 1
+
+#ifdef USING_PCH
+# include "pch.h"
+#else
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include "valuenode.h"
+#include "general.h"
+#include "canvas.h"
+#include "paramdesc.h"
+#include "releases.h"
+
+#include "valuenode_const.h"
+#include "valuenode_linear.h"
+#include "valuenode_composite.h"
+#include "valuenode_reference.h"
+#include "valuenode_scale.h"
+#include "valuenode_blinecalctangent.h"
+#include "valuenode_blinecalcvertex.h"
+#include "valuenode_blinecalcwidth.h"
+#include "valuenode_blinereversetangent.h"
+#include "valuenode_segcalctangent.h"
+#include "valuenode_segcalcvertex.h"
+#include "valuenode_repeat_gradient.h"
+#include "valuenode_stripes.h"
+#include "valuenode_range.h"
+#include "valuenode_add.h"
+#include "valuenode_subtract.h"
+#include "valuenode_timedswap.h"
+#include "valuenode_twotone.h"
+#include "valuenode_bline.h"
+#include "valuenode_dynamiclist.h"
+#include "valuenode_radialcomposite.h"
+#include "valuenode_gradientrotate.h"
+#include "valuenode_sine.h"
+#include "valuenode_cos.h"
+#include "valuenode_atan2.h"
+#include "valuenode_exp.h"
+#include "valuenode_switch.h"
+#include "valuenode_timeloop.h"
+#include "valuenode_reciprocal.h"
+#include "valuenode_duplicate.h"
+#include "valuenode_integer.h"
+#include "valuenode_step.h"
+#include "valuenode_vectorangle.h"
+#include "valuenode_vectorlength.h"
+#include "valuenode_vectorx.h"
+#include "valuenode_vectory.h"
+#include "valuenode_gradientcolor.h"
+#include "valuenode_dotproduct.h"
+#include "valuenode_timestring.h"
+#include "valuenode_realstring.h"
+#include "valuenode_join.h"
+#include "valuenode_anglestring.h"
+#include "valuenode_intstring.h"
+#include "valuenode_log.h"
+
+#include "layer.h"
+
+#endif
+
+/* === U S I N G =========================================================== */
+
+using namespace std;
+using namespace etl;
+using namespace synfig;
+
+/* === M A C R O S ========================================================= */
+
+/* === G L O B A L S ======================================================= */
+
+static int value_node_count(0);
+
+static LinkableValueNode::Book *book_;
+
+
+ValueNode::LooseHandle
+synfig::find_value_node(const GUID& guid)
+{
+ return guid_cast<ValueNode>(guid);
+}
+
+/* === P R O C E D U R E S ================================================= */
+
+/* === M E T H O D S ======================================================= */
+
+bool
+ValueNode::subsys_init()
+{
+ book_=new LinkableValueNode::Book();
+
+#define ADD_VALUENODE(class,name,local,version) \
+ (*book_)[name].factory=reinterpret_cast<LinkableValueNode::Factory>(&class::create); \
+ (*book_)[name].check_type=&class::check_type; \
+ (*book_)[name].local_name=local; \
+ (*book_)[name].release_version=version
+
+#define ADD_VALUENODE2(class,name,local,version) \
+ (*book_)[name].factory=reinterpret_cast<LinkableValueNode::Factory>(&class::create_from); \
+ (*book_)[name].check_type=&class::check_type; \
+ (*book_)[name].local_name=local; \
+ (*book_)[name].release_version=version
+
+ ADD_VALUENODE(ValueNode_Linear, "linear", _("Linear"), RELEASE_VERSION_0_61_06);
+ ADD_VALUENODE(ValueNode_Composite, "composite", _("Composite"), RELEASE_VERSION_0_61_06);
+ ADD_VALUENODE(ValueNode_RadialComposite, "radial_composite", _("Radial Composite"), RELEASE_VERSION_0_61_06);
+ ADD_VALUENODE(ValueNode_Reference, "reference", _("Reference"), RELEASE_VERSION_0_61_06);
+ ADD_VALUENODE(ValueNode_Scale, "scale", _("Scale"), RELEASE_VERSION_0_61_06);
+ ADD_VALUENODE(ValueNode_SegCalcTangent, "segcalctangent", _("Segment Tangent"), RELEASE_VERSION_0_61_06);
+ ADD_VALUENODE(ValueNode_SegCalcVertex, "segcalcvertex", _("Segment Vertex"), RELEASE_VERSION_0_61_06);
+ ADD_VALUENODE(ValueNode_Stripes, "stripes", _("Stripes"), RELEASE_VERSION_0_61_06);
+ ADD_VALUENODE(ValueNode_Subtract, "subtract", _("Subtract"), RELEASE_VERSION_0_61_06);
+ ADD_VALUENODE(ValueNode_TwoTone, "twotone", _("Two-Tone"), RELEASE_VERSION_0_61_06);
+ ADD_VALUENODE(ValueNode_BLine, "bline", _("BLine"), RELEASE_VERSION_0_61_06);
+ ADD_VALUENODE2(ValueNode_DynamicList, "dynamic_list", _("Dynamic List"), RELEASE_VERSION_0_61_06);
+ ADD_VALUENODE(ValueNode_GradientRotate, "gradient_rotate", _("Gradient Rotate"), RELEASE_VERSION_0_61_06);
+ ADD_VALUENODE(ValueNode_Sine, "sine", _("Sine"), RELEASE_VERSION_0_61_06);
+
+ ADD_VALUENODE(ValueNode_TimedSwap, "timed_swap", _("Timed Swap"), RELEASE_VERSION_0_61_07); // SVN r610
+ ADD_VALUENODE(ValueNode_Repeat_Gradient, "repeat_gradient", _("Repeat Gradient"), RELEASE_VERSION_0_61_07); // SVN r666
+ ADD_VALUENODE(ValueNode_Exp, "exp", _("Exponential"), RELEASE_VERSION_0_61_07); // SVN r739
+ ADD_VALUENODE(ValueNode_Add, "add", _("Add"), RELEASE_VERSION_0_61_07); // SVN r742
+ ADD_VALUENODE(ValueNode_BLineCalcTangent, "blinecalctangent", _("BLine Tangent"), RELEASE_VERSION_0_61_07); // SVN r744
+ ADD_VALUENODE(ValueNode_BLineCalcVertex, "blinecalcvertex", _("BLine Vertex"), RELEASE_VERSION_0_61_07); // SVN r744
+ ADD_VALUENODE(ValueNode_Range, "range", _("Range"), RELEASE_VERSION_0_61_07); // SVN r776
+
+ ADD_VALUENODE(ValueNode_Switch, "switch", _("Switch"), RELEASE_VERSION_0_61_08); // SVN r923
+ ADD_VALUENODE(ValueNode_Cos, "cos", _("Cos"), RELEASE_VERSION_0_61_08); // SVN r1111
+ ADD_VALUENODE(ValueNode_Atan2, "atan2", _("aTan2"), RELEASE_VERSION_0_61_08); // SVN r1132
+ ADD_VALUENODE(ValueNode_BLineRevTangent, "blinerevtangent", _("Reverse Tangent"), RELEASE_VERSION_0_61_08); // SVN r1162
+ ADD_VALUENODE(ValueNode_TimeLoop, "timeloop", _("Time Loop"), RELEASE_VERSION_0_61_08); // SVN r1226
+ ADD_VALUENODE(ValueNode_Reciprocal, "reciprocal", _("Reciprocal"), RELEASE_VERSION_0_61_08); // SVN r1238
+ ADD_VALUENODE(ValueNode_Duplicate, "duplicate", _("Duplicate"), RELEASE_VERSION_0_61_08); // SVN r1267
+ ADD_VALUENODE(ValueNode_Integer, "fromint", _("From Integer"), RELEASE_VERSION_0_61_08); // SVN r1267
+ ADD_VALUENODE(ValueNode_Step, "step", _("Step"), RELEASE_VERSION_0_61_08); // SVN r1691
+ ADD_VALUENODE(ValueNode_BLineCalcWidth, "blinecalcwidth", _("BLine Width"), RELEASE_VERSION_0_61_08); // SVN r1694
+
+ ADD_VALUENODE(ValueNode_VectorAngle, "vectorangle", _("Vector Angle"), RELEASE_VERSION_0_61_09); // SVN r1880
+ ADD_VALUENODE(ValueNode_VectorLength, "vectorlength", _("Vector Length"), RELEASE_VERSION_0_61_09); // SVN r1881
+ ADD_VALUENODE(ValueNode_VectorX, "vectorx", _("Vector X"), RELEASE_VERSION_0_61_09); // SVN r1882
+ ADD_VALUENODE(ValueNode_VectorY, "vectory", _("Vector Y"), RELEASE_VERSION_0_61_09); // SVN r1882
+ ADD_VALUENODE(ValueNode_GradientColor, "gradientcolor", _("Gradient Color"), RELEASE_VERSION_0_61_09); // SVN r1885
+ ADD_VALUENODE(ValueNode_DotProduct, "dotproduct", _("Dot Product"), RELEASE_VERSION_0_61_09); // SVN r1891
+ ADD_VALUENODE(ValueNode_TimeString, "timestring", _("Time String"), RELEASE_VERSION_0_61_09); // SVN r2000
+ ADD_VALUENODE(ValueNode_RealString, "realstring", _("Real String"), RELEASE_VERSION_0_61_09); // SVN r2003
+ ADD_VALUENODE(ValueNode_Join, "join", _("Joined List"), RELEASE_VERSION_0_61_09); // SVN r2007
+ ADD_VALUENODE(ValueNode_AngleString, "anglestring", _("Angle String"), RELEASE_VERSION_0_61_09); // SVN r2010
+ ADD_VALUENODE(ValueNode_IntString, "intstring", _("Int String"), RELEASE_VERSION_0_61_09); // SVN r2010
+ ADD_VALUENODE(ValueNode_Logarithm, "logarithm", _("Logarithm"), RELEASE_VERSION_0_61_09); // SVN r2034
+
+#undef ADD_VALUENODE
+#undef ADD_VALUENODE2
+
+ return true;
+}
+
+bool
+ValueNode::subsys_stop()
+{
+ delete book_;
+/* if(global_value_node_map.size() || value_node_count)
+ {
+ if(value_node_count)
+ synfig::error("%d ValueNodes haven't been destroyed yet!",value_node_count);
+
+ if(global_value_node_map.size()!=value_node_count)
+ synfig::error("value node count mismatch! map.size()!=value_node_count (%d!=%d)",global_value_node_map.size(),value_node_count);
+
+ GlobalValueNodeMap::iterator iter;
+ for(iter=global_value_node_map.begin();iter!=global_value_node_map.end();++iter)
+ {
+ if(!iter->second->is_exported())
+ synfig::info(_("%s: count:%d name:%s type:%s"),
+ iter->first.get_string().c_str(),
+ iter->second->count(),
+ iter->second->get_name().c_str(),
+ ValueBase::type_local_name(iter->second->get_type()).c_str()
+ );
+ else
+ synfig::info(_("%s: id:%s count:%d name:%s type:%s"),
+ iter->first.get_string().c_str(),
+ iter->second->get_id().c_str(),
+ iter->second->count(),
+ iter->second->get_name().c_str(),
+ ValueBase::type_local_name(iter->second->get_type()).c_str()
+ );
+ }
+ }
+*/
+ return true;
+}
+
+ValueNode::ValueNode(ValueBase::Type type):type(type)
+{
+ value_node_count++;
+}
+
+LinkableValueNode::Book&
+LinkableValueNode::book()
+{
+ return *book_;
+}
+
+LinkableValueNode::Handle
+LinkableValueNode::create(const String &name, const ValueBase& x)
+{
+ if(!book().count(name))
+ return 0;
+
+ if (!check_type(name, x.get_type()) &&
+ // the Duplicate ValueNode is an exception - we don't want the
+ // user creating it for themselves, so check_type() fails for
+ // it even when it is valid
+ !(name == "duplicate" && x.get_type() == ValueBase::TYPE_REAL))
+ {
+ error(_("Bad type: ValueNode '%s' doesn't accept type '%s'"), book()[name].local_name.c_str(), ValueBase::type_local_name(x.get_type()).c_str());
+ return 0;
+ }
+
+ return book()[name].factory(x);
+}
+
+bool
+LinkableValueNode::check_type(const String &name, ValueBase::Type x)
+{
+ if(!book().count(name) || !book()[name].check_type)
+ return false;
+ return book()[name].check_type(x);
+}
+
+bool
+LinkableValueNode::set_link(int i,ValueNode::Handle x)
+{
+ ValueNode::Handle previous(get_link(i));
+
+ if(set_link_vfunc(i,x))
+ {
+ if(previous)
+ remove_child(previous.get());
+ add_child(x.get());
+
+ if(!x->is_exported() && get_parent_canvas())
+ {
+ x->set_parent_canvas(get_parent_canvas());
+ }
+ changed();
+ return true;
+ }
+ return false;
+}
+
+ValueNode::LooseHandle
+LinkableValueNode::get_link(int i)const
+{
+ return get_link_vfunc(i);
+}
+
+void
+LinkableValueNode::unlink_all()
+{
+ for(int i=0;i<link_count();i++)
+ {
+ ValueNode::LooseHandle value_node(get_link(i));
+ if(value_node)
+ value_node->parent_set.erase(this);
+ }
+}
+
+ValueNode::~ValueNode()
+{
+ value_node_count--;
+
+ begin_delete();
+}
+
+void
+ValueNode::on_changed()
+{
+ etl::loose_handle<Canvas> parent_canvas = get_parent_canvas();
+ if(parent_canvas)
+ do // signal to all the ancestor canvases
+ parent_canvas->signal_value_node_changed()(this);
+ while (parent_canvas = parent_canvas->parent());
+ else if(get_root_canvas())
+ get_root_canvas()->signal_value_node_changed()(this);
+
+ Node::on_changed();
+}
+
+int
+ValueNode::replace(etl::handle<ValueNode> x)
+{
+ if(x.get()==this)
+ return 0;
+
+ while(parent_set.size())
+ {
+ (*parent_set.begin())->add_child(x.get());
+ (*parent_set.begin())->remove_child(this);
+ //x->parent_set.insert(*parent_set.begin());
+ //parent_set.erase(parent_set.begin());
+ }
+ int r(RHandle(this).replace(x));
+ x->changed();
+ return r;
+}
+
+void
+ValueNode::set_id(const String &x)
+{
+ if(name!=x)
+ {
+ name=x;
+ signal_id_changed_();
+ }
+}
+
+String
+ValueNode::get_description(bool show_exported_name)const
+{
+ String ret(_("ValueNode"));
+
+ if (dynamic_cast<const LinkableValueNode*>(this))
+ return (dynamic_cast<const LinkableValueNode*>(this))->get_description(-1, show_exported_name);
+
+ if (show_exported_name && !is_exported())
+ show_exported_name = false;
+
+ if (show_exported_name)
+ ret += strprintf(" (%s)", get_id().c_str());
+
+ return ret;
+}
+
+ValueNodeList::ValueNodeList():
+ placeholder_count_(0)
+{
+}
+
+bool
+ValueNodeList::count(const String &id)const
+{
+ const_iterator iter;
+
+ if(id.empty())
+ return false;
+
+ for(iter=begin();iter!=end() && id!=(*iter)->get_id();++iter)
+ ;
+
+ if(iter==end())
+ return false;
+
+ return true;
+}
+
+ValueNode::Handle
+ValueNodeList::find(const String &id)
+{
+ iterator iter;
+
+ if(id.empty())
+ throw Exception::IDNotFound("Empty ID");
+
+ for(iter=begin();iter!=end() && id!=(*iter)->get_id();++iter)
+ ;
+
+ if(iter==end())
+ throw Exception::IDNotFound("ValueNode in ValueNodeList: "+id);
+
+ return *iter;
+}
+
+ValueNode::ConstHandle
+ValueNodeList::find(const String &id)const
+{
+ const_iterator iter;
+
+ if(id.empty())
+ throw Exception::IDNotFound("Empty ID");
+
+ for(iter=begin();iter!=end() && id!=(*iter)->get_id();++iter)
+ ;
+
+ if(iter==end())
+ throw Exception::IDNotFound("ValueNode in ValueNodeList: "+id);
+
+ return *iter;
+}
+
+ValueNode::Handle
+ValueNodeList::surefind(const String &id)
+{
+ if(id.empty())
+ throw Exception::IDNotFound("Empty ID");
+
+ ValueNode::Handle value_node;
+
+ try
+ {
+ value_node=find(id);
+ }
+ catch(Exception::IDNotFound)
+ {
+ value_node=PlaceholderValueNode::create();
+ value_node->set_id(id);
+ push_back(value_node);
+ placeholder_count_++;
+ }
+
+ return value_node;
+}
+
+bool
+ValueNodeList::erase(ValueNode::Handle value_node)
+{
+ assert(value_node);
+
+ iterator iter;
+
+ for(iter=begin();iter!=end();++iter)
+ if(value_node.get()==iter->get())
+ {
+ std::list<ValueNode::RHandle>::erase(iter);
+ if(PlaceholderValueNode::Handle::cast_dynamic(value_node))
+ placeholder_count_--;
+ return true;
+ }
+ return false;
+}
+
+bool
+ValueNodeList::add(ValueNode::Handle value_node)
+{
+ if(!value_node)
+ return false;
+ if(value_node->get_id().empty())
+ return false;
+
+ try
+ {
+ ValueNode::RHandle other_value_node=find(value_node->get_id());
+ if(PlaceholderValueNode::Handle::cast_dynamic(other_value_node))
+ {
+ other_value_node->replace(value_node);
+ placeholder_count_--;
+ return true;
+ }
+
+ return false;
+ }
+ catch(Exception::IDNotFound)
+ {
+ push_back(value_node);
+ return true;
+ }
+
+ return false;
+}
+
+void
+ValueNodeList::audit()
+{
+ iterator iter,next;
+
+ for(next=begin(),iter=next++;iter!=end();iter=next++)
+ if(iter->count()==1)
+ std::list<ValueNode::RHandle>::erase(iter);
+}
+
+
+String
+PlaceholderValueNode::get_name()const
+{
+ return "placeholder";
+}
+
+String
+PlaceholderValueNode::get_local_name()const
+{
+ return _("Placeholder");
+}
+
+ValueNode*
+PlaceholderValueNode::clone(const GUID& deriv_guid)const
+{
+ ValueNode* ret(new PlaceholderValueNode());
+ ret->set_guid(get_guid()^deriv_guid);
+ return ret;
+}
+
+PlaceholderValueNode::Handle
+PlaceholderValueNode::create(ValueBase::Type type)
+{
+ return new PlaceholderValueNode(type);
+}
+
+ValueBase
+PlaceholderValueNode::operator()(Time /*t*/)const
+{
+ assert(0);
+ return ValueBase();
+}
+
+PlaceholderValueNode::PlaceholderValueNode(ValueBase::Type type):
+ ValueNode(type)
+{
+}
+
+ValueNode*
+LinkableValueNode::clone(const GUID& deriv_guid)const
+{
+ {
+ ValueNode* x(find_value_node(get_guid()^deriv_guid).get());
+ if(x)
+ return x;
+ }
+
+ int i;
+ LinkableValueNode *ret=create_new();
+ ret->set_guid(get_guid()^deriv_guid);
+
+ for(i=0;i<link_count();i++)
+ {
+ ValueNode::Handle link=get_link_vfunc(i);
+ if(!link->is_exported())
+ {
+ ValueNode::LooseHandle value_node(find_value_node(link->get_guid()^deriv_guid));
+ if(!value_node)
+ value_node=link->clone(deriv_guid);
+ ret->set_link(i,value_node);
+ }
+ else
+ ret->set_link(i,link);
+ }
+
+ return ret;
+}
+
+String
+ValueNode::get_relative_id(etl::loose_handle<const Canvas> x)const
+{
+ assert(is_exported());
+ assert(canvas_);
+
+ if(x.get()==canvas_.get())
+ return get_id();
+
+ return canvas_->_get_relative_id(x)+':'+get_id();
+}
+
+void
+ValueNode::set_parent_canvas(etl::loose_handle<Canvas> x)
+{
+ canvas_=x; if(x) root_canvas_=x->get_root();
+}
+
+void
+ValueNode::set_root_canvas(etl::loose_handle<Canvas> x)
+{
+ root_canvas_=x->get_root();
+}
+
+void LinkableValueNode::get_times_vfunc(Node::time_set &set) const
+{
+ ValueNode::LooseHandle h;
+
+ int size = link_count();
+
+ //just add it to the set...
+ for(int i=0; i < size; ++i)
+ {
+ h = get_link(i);
+
+ if(h)
+ {
+ const Node::time_set &tset = h->get_times();
+ set.insert(tset.begin(),tset.end());
+ }
+ }
+}
+
+String
+LinkableValueNode::get_description(int index, bool show_exported_name)const
+{
+ String description;
+
+ if (index == -1)
+ {
+ if (show_exported_name && is_exported())
+ description += strprintf(" (%s)", get_id().c_str());
+ }
+ else
+ {
+ description = String(":") + link_local_name(index);
+
+ if (show_exported_name)
+ {
+ ValueNode::LooseHandle link(get_link(index));
+ if (link->is_exported())
+ description += strprintf(" (%s)", link->get_id().c_str());
+ }
+ }
+
+ const synfig::Node* node = this;
+ LinkableValueNode::ConstHandle parent_linkable_vn = 0;
+
+ // walk up through the valuenodes trying to find the layer at the top
+ while (!node->parent_set.empty() && !dynamic_cast<const Layer*>(node))
+ {
+ LinkableValueNode::ConstHandle linkable_value_node(dynamic_cast<const LinkableValueNode*>(node));
+ if (linkable_value_node)
+ {
+ String link;
+ int cnt = linkable_value_node->link_count();
+ for (int i = 0; i < cnt; i++)
+ if (linkable_value_node->get_link(i) == parent_linkable_vn)
+ {
+ link = String(":") + linkable_value_node->link_local_name(i);
+ break;
+ }
+
+ description = linkable_value_node->get_local_name() + link + (parent_linkable_vn?">":"") + description;
+ }
+ node = *node->parent_set.begin();
+ parent_linkable_vn = linkable_value_node;
+ }
+
+ Layer::ConstHandle parent_layer(dynamic_cast<const Layer*>(node));
+ if(parent_layer)
+ {
+ String param;
+ const Layer::DynamicParamList &dynamic_param_list(parent_layer->dynamic_param_list());
+ // loop to find the parameter in the dynamic parameter list - this gives us its name
+ for (Layer::DynamicParamList::const_iterator iter = dynamic_param_list.begin(); iter != dynamic_param_list.end(); iter++)
+ if (iter->second == parent_linkable_vn)
+ param = String(":") + parent_layer->get_param_local_name(iter->first);
+ description = strprintf("(%s)%s>%s",
+ parent_layer->get_non_empty_description().c_str(),
+ param.c_str(),
+ description.c_str());
+ }
+
+ return description;
+}