#include "valuenode_scale.h"
#include "valuenode_blinecalctangent.h"
#include "valuenode_blinecalcvertex.h"
+#include "valuenode_blinereversetangent.h"
#include "valuenode_segcalctangent.h"
#include "valuenode_segcalcvertex.h"
#include "valuenode_repeat_gradient.h"
ADD_VALUENODE(ValueNode_Scale, "scale", _("Scale") );
ADD_VALUENODE(ValueNode_BLineCalcTangent,"blinecalctangent",_("BLine Tangent") );
ADD_VALUENODE(ValueNode_BLineCalcVertex,"blinecalcvertex", _("BLine Vertex") );
+ ADD_VALUENODE(ValueNode_BLineRevTangent,"blinerevtangent", _("Reverse Tangent") );
ADD_VALUENODE(ValueNode_SegCalcTangent, "segcalctangent", _("Segment Tangent") );
ADD_VALUENODE(ValueNode_SegCalcVertex, "segcalcvertex", _("Segment Vertex") );
ADD_VALUENODE(ValueNode_Stripes, "stripes", _("Stripes") );
--- /dev/null
+/* === S Y N F I G ========================================================= */
+/*! \file valuenode_blinerevtangent.cpp
+** \brief Template File
+**
+** $Id$
+**
+** \legal
+** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
+** Copyright (c) 2007 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 "valuenode_blinereversetangent.h"
+#include "valuenode_bline.h"
+#include "valuenode_const.h"
+#include "valuenode_composite.h"
+#include "general.h"
+#include "exception.h"
+#include <ETL/hermite>
+#include <ETL/calculus>
+
+#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 ======================================================= */
+
+/* === P R O C E D U R E S ================================================= */
+
+/* === M E T H O D S ======================================================= */
+
+ValueNode_BLineRevTangent::ValueNode_BLineRevTangent(const ValueBase::Type &x):
+ LinkableValueNode(x)
+{
+}
+
+ValueNode_BLineRevTangent::ValueNode_BLineRevTangent(const ValueNode::Handle &x):
+ LinkableValueNode(x->get_type())
+{
+ if(x->get_type()!=ValueBase::TYPE_BLINEPOINT)
+ throw Exception::BadType(ValueBase::type_name(x->get_type()));
+
+ set_link("reference",x);
+ set_link("reverse",ValueNode_Const::create(bool(false)));
+}
+
+ValueNode_BLineRevTangent*
+ValueNode_BLineRevTangent::create(const ValueBase &x)
+{
+ return new ValueNode_BLineRevTangent(ValueNode_Const::create(x));
+}
+
+LinkableValueNode*
+ValueNode_BLineRevTangent::create_new()const
+{
+ return new ValueNode_BLineRevTangent(get_type());
+}
+
+ValueNode_BLineRevTangent::~ValueNode_BLineRevTangent()
+{
+ unlink_all();
+}
+
+ValueBase
+ValueNode_BLineRevTangent::operator()(Time t)const
+{
+ if ((*reverse_)(t).get(bool()))
+ {
+ BLinePoint reference((*reference_)(t));
+ BLinePoint ret(reference);
+ if(ret.get_split_tangent_flag())
+ {
+ ret.set_tangent1(-reference.get_tangent2());
+ ret.set_tangent2(-reference.get_tangent1());
+ }
+ else
+ {
+ // \todo what should we do here really?
+ // it seems that there's some pre-existing bug
+ // with the 'reference' convert, too - referencing
+ // a non-split blinepoint causes some problems
+ ret.set_tangent1(-reference.get_tangent1());
+ }
+ return ret;
+ }
+ else
+ return (*reference_)(t);
+}
+
+String
+ValueNode_BLineRevTangent::get_name()const
+{
+ return "blinerevtangent";
+}
+
+String
+ValueNode_BLineRevTangent::get_local_name()const
+{
+ return _("Reverse Tangent");
+}
+
+bool
+ValueNode_BLineRevTangent::set_link_vfunc(int i,ValueNode::Handle x)
+{
+ assert(i>=0 && i<link_count());
+ switch(i)
+ {
+ case 0:
+ reference_=x;
+ signal_child_changed()(i);signal_value_changed()();
+ return true;
+ case 1:
+ reverse_=x;
+ signal_child_changed()(i);signal_value_changed()();
+ return true;
+ }
+ return false;
+}
+
+ValueNode::LooseHandle
+ValueNode_BLineRevTangent::get_link_vfunc(int i)const
+{
+ assert(i>=0 && i<link_count());
+ switch(i)
+ {
+ case 0: return reference_;
+ case 1: return reverse_;
+ }
+
+ return 0;
+}
+
+int
+ValueNode_BLineRevTangent::link_count()const
+{
+ return 2;
+}
+
+String
+ValueNode_BLineRevTangent::link_name(int i)const
+{
+ assert(i>=0 && i<link_count());
+ switch(i)
+ {
+ case 0: return "reference";
+ case 1: return "reverse";
+ }
+ return String();
+}
+
+String
+ValueNode_BLineRevTangent::link_local_name(int i)const
+{
+ assert(i>=0 && i<link_count());
+ switch(i)
+ {
+ case 0: return _("Reference");
+ case 1: return _("Reverse");
+ }
+ return String();
+}
+
+int
+ValueNode_BLineRevTangent::get_link_index_from_name(const String &name)const
+{
+ if(name=="reference") return 0;
+ if(name=="reverse") return 1;
+ throw Exception::BadLinkName(name);
+}
+
+bool
+ValueNode_BLineRevTangent::check_type(ValueBase::Type type)
+{
+ return (type==ValueBase::TYPE_BLINEPOINT);
+}
--- /dev/null
+/* === S Y N F I G ========================================================= */
+/*! \file valuenode_blinerevtangent.h
+** \brief Template Header
+**
+** $Id$
+**
+** \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
+*/
+/* ========================================================================= */
+
+/* === S T A R T =========================================================== */
+
+#ifndef __SYNFIG_VALUENODE_BLINEREVTANGENT_H
+#define __SYNFIG_VALUENODE_BLINEREVTANGENT_H
+
+/* === H E A D E R S ======================================================= */
+
+#include "valuenode.h"
+
+/* === M A C R O S ========================================================= */
+
+/* === C L A S S E S & S T R U C T S ======================================= */
+
+namespace synfig {
+
+class ValueNode_BLineRevTangent : public LinkableValueNode
+{
+ ValueNode::RHandle reference_;
+ ValueNode::RHandle reverse_;
+
+ ValueNode_BLineRevTangent(const ValueBase::Type &x=ValueBase::TYPE_BLINEPOINT);
+ ValueNode_BLineRevTangent(const ValueNode::Handle &x);
+
+public:
+
+ typedef etl::handle<ValueNode_BLineRevTangent> Handle;
+ typedef etl::handle<const ValueNode_BLineRevTangent> ConstHandle;
+
+ virtual ValueBase operator()(Time t)const;
+
+ virtual ~ValueNode_BLineRevTangent();
+
+ virtual String get_name()const;
+ virtual String get_local_name()const;
+
+ virtual ValueNode::LooseHandle get_link_vfunc(int i)const;
+ virtual int link_count()const;
+ virtual String link_name(int i)const;
+
+ virtual String link_local_name(int i)const;
+ virtual int get_link_index_from_name(const String &name)const;
+
+protected:
+ virtual bool set_link_vfunc(int i,ValueNode::Handle x);
+ LinkableValueNode* create_new()const;
+
+public:
+ using synfig::LinkableValueNode::get_link_vfunc;
+ using synfig::LinkableValueNode::set_link_vfunc;
+ static bool check_type(ValueBase::Type type);
+ static ValueNode_BLineRevTangent* create(const ValueBase &x=ValueBase::TYPE_VECTOR);
+}; // END of class ValueNode_BLineRevTangent
+
+}; // END of namespace synfig
+
+/* === E N D =============================================================== */
+
+#endif
projects / synfig.git / commitdiff