--- /dev/null
+/* === S Y N F I G ========================================================= */
+/*! \file valuedescblinelink.cpp
+** \brief Template File
+**
+** $Id$
+**
+** \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 ======================================================= */
+
+#ifdef USING_PCH
+# include "pch.h"
+#else
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include "valuenodelinkconnect.h"
+#include "valuedescblinelink.h"
+
+#include <synfigapp/canvasinterface.h>
+#include <synfig/valuenode_const.h>
+#include <synfig/valuenode_composite.h>
+#include <synfig/valuenode_blinecalcvertex.h>
+
+#include <synfigapp/general.h>
+
+#endif
+
+using namespace std;
+using namespace etl;
+using namespace synfig;
+using namespace synfigapp;
+using namespace Action;
+
+/* === M A C R O S ========================================================= */
+
+ACTION_INIT(Action::ValueDescBLineLink);
+ACTION_SET_NAME(Action::ValueDescBLineLink,"value_desc_bline_link");
+ACTION_SET_LOCAL_NAME(Action::ValueDescBLineLink,N_("Link to BLine"));
+ACTION_SET_TASK(Action::ValueDescBLineLink,"connect");
+ACTION_SET_CATEGORY(Action::ValueDescBLineLink,Action::CATEGORY_BEZIER);
+ACTION_SET_PRIORITY(Action::ValueDescBLineLink,0);
+ACTION_SET_VERSION(Action::ValueDescBLineLink,"0.0");
+ACTION_SET_CVS_ID(Action::ValueDescBLineLink,"$Id$");
+
+/* === G L O B A L S ======================================================= */
+
+/* === P R O C E D U R E S ================================================= */
+
+/* === M E T H O D S ======================================================= */
+
+Action::ValueDescBLineLink::ValueDescBLineLink()
+{
+}
+
+Action::ParamVocab
+Action::ValueDescBLineLink::get_param_vocab()
+{
+ ParamVocab ret(Action::CanvasSpecific::get_param_vocab());
+
+ ret.push_back(ParamDesc("selected_value_desc",Param::TYPE_VALUEDESC)
+ .set_local_name(_("ValueDesc to link"))
+ .set_supports_multiple()
+ );
+ ret.push_back(ParamDesc("value_desc",Param::TYPE_VALUEDESC)
+ .set_local_name(_("ValueDesc on BLine to link to"))
+ );
+ ret.push_back(ParamDesc("time",Param::TYPE_TIME)
+ .set_local_name(_("Time"))
+ .set_optional()
+ );
+ ret.push_back(ParamDesc("origin",Param::TYPE_REAL)
+ .set_local_name(_("Origin"))
+ .set_optional()
+ );
+
+ return ret;
+}
+
+bool
+Action::ValueDescBLineLink::is_candidate(const ParamList &x)
+{
+ ParamList::const_iterator i;
+
+ ValueDesc value_desc(x.find("value_desc")->second.get_value_desc());
+
+ if (!candidate_check(get_param_vocab(),x))
+ return false;
+
+ return (value_desc.parent_is_value_node() &&
+ // We need a dynamic list.
+ ValueNode_DynamicList::Handle::cast_dynamic(value_desc.get_parent_value_node()));
+}
+
+bool
+Action::ValueDescBLineLink::set_param(const synfig::String& name, const Action::Param ¶m)
+{
+ if(name=="time" && param.get_type()==Param::TYPE_TIME)
+ {
+ time=param.get_time();
+ return true;
+ }
+
+ if(name=="value_desc" && param.get_type()==Param::TYPE_VALUEDESC)
+ {
+ value_desc = param.get_value_desc();
+ index=value_desc.get_index();
+ return true;
+ }
+
+ if(name=="selected_value_desc" && param.get_type()==Param::TYPE_VALUEDESC)
+ {
+ ValueDesc value_desc(param.get_value_desc());
+ value_desc_list.push_back(value_desc);
+ return true;
+ }
+
+ if(name=="origin" && param.get_type()==Param::TYPE_REAL)
+ {
+ origin=param.get_real();
+ return true;
+ }
+
+ return Action::CanvasSpecific::set_param(name,param);
+}
+
+bool
+Action::ValueDescBLineLink::is_ready()const
+{
+ if(value_desc_list.size()<1)
+ return false;
+ if(!value_desc)
+ return false;
+ return Action::CanvasSpecific::is_ready();
+}
+
+void
+Action::ValueDescBLineLink::prepare()
+{
+ if(value_desc_list.empty())
+ throw Error(Error::TYPE_NOTREADY);
+
+ clear();
+
+ ValueNode_DynamicList::Handle bline_value_node(ValueNode_DynamicList::Handle::cast_dynamic(value_desc.get_parent_value_node()));
+ bool loop(bline_value_node->get_loop());
+ int loop_adjust(loop ? 0 : -1);
+ const std::vector<ValueBase> bline((*bline_value_node)(time));
+ int size = bline.size();
+ Real amount = (index + origin + loop_adjust) / (size + loop_adjust);
+
+ std::list<ValueDesc>::iterator iter;
+ for(iter=value_desc_list.begin();iter!=value_desc_list.end();++iter)
+ {
+ ValueDesc& value_desc(*iter);
+ if (value_desc.parent_is_value_node())
+ {
+ ValueNode::Handle value_node(value_desc.get_value_node());
+ if (value_desc.get_value_type()==ValueBase::TYPE_BLINEPOINT &&
+ value_desc.is_value_node() &&
+ ValueNode_Composite::Handle::cast_dynamic(value_desc.get_value_node()))
+ {
+ LinkableValueNode::Handle bline_vertex(ValueNode_BLineCalcVertex::create(ValueBase::TYPE_VECTOR));
+ bline_vertex->set_link("bline", bline_value_node);
+ bline_vertex->set_link("loop", ValueNode_Const::create(loop));
+ bline_vertex->set_link("amount", ValueNode_Const::create(amount));
+
+ Action::Handle action(ValueNodeLinkConnect::create());
+
+ action->set_param("canvas",get_canvas());
+ action->set_param("canvas_interface",get_canvas_interface());
+ action->set_param("parent_value_node",value_node);
+ action->set_param("value_node",ValueNode::Handle(bline_vertex));
+ action->set_param("index",0); // index for 'vertex' in 'composite'
+
+ assert(action->is_ready());
+ if(!action->is_ready())
+ throw Error(Error::TYPE_NOTREADY);
+
+ add_action_front(action);
+ }
+ }
+ }
+}