/* === S Y N F I G ========================================================= */
/*! \file valuenode_scale.h
** \brief Header file for implementation of the "Scale" valuenode conversion.
**
** $Id$
**
** \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
*/
/* ========================================================================= */
/* === S T A R T =========================================================== */
#ifndef __SYNFIG_VALUENODE_SCALE_H
#define __SYNFIG_VALUENODE_SCALE_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 {
struct ValueNode_Scale : public LinkableValueNode
{
typedef etl::handle<ValueNode_Scale> Handle;
typedef etl::handle<const ValueNode_Scale> ConstHandle;
private:
ValueNode::RHandle value_node;
ValueNode::RHandle scalar;
ValueNode_Scale(const ValueBase &value);
public:
//static Handle create(ValueBase::Type id=ValueBase::TYPE_NIL);
//static Handle create(ValueNode::Handle value_node, Real scalar);
virtual ~ValueNode_Scale();
virtual ValueNode::LooseHandle get_link_vfunc(int i)const;
virtual int link_count()const;
virtual String link_name(int i)const;
virtual int get_link_index_from_name(const String &name)const;
virtual ValueBase operator()(Time t)const;
//! Returns the modified Link to match the target value at time t
ValueBase get_inverse(Time t, const synfig::Vector &target_value) const;
ValueBase get_inverse(Time t, const synfig::Angle &target_value) const;
bool is_invertible(Time t)const;
virtual String get_name()const;
virtual String get_local_name()const;
virtual String link_local_name(int i)const;
protected:
virtual bool set_link_vfunc(int i,ValueNode::Handle x);
virtual 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_Scale* create(const ValueBase &x);
}; // END of class ValueNode_Scale
}; // END of namespace synfig
/* === E N D =============================================================== */
#endif