+++ /dev/null
-/* === S Y N F I G ========================================================= */
-/*! \file valuenode_duplicate.cpp
-** \brief Implementation of the "Duplicate" 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
-*/
-/* ========================================================================= */
-
-/* === H E A D E R S ======================================================= */
-
-#ifdef USING_PCH
-# include "pch.h"
-#else
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include "valuenode_duplicate.h"
-#include "valuenode_const.h"
-#include "general.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 ======================================================= */
-
-/* === P R O C E D U R E S ================================================= */
-
-/* === M E T H O D S ======================================================= */
-
-ValueNode_Duplicate::ValueNode_Duplicate(const ValueBase::Type &x):
- LinkableValueNode(x)
-{
-}
-
-ValueNode_Duplicate::ValueNode_Duplicate(const ValueBase &x):
- LinkableValueNode(x.get_type())
-{
- set_link("from", ValueNode_Const::create(Real(1.0)));
- set_link("to", ValueNode_Const::create(x.get(Real())));
- set_link("step", ValueNode_Const::create(Real(1.0)));
- index = 1.0;
-}
-
-ValueNode_Duplicate*
-ValueNode_Duplicate::create(const ValueBase &x)
-{
- return new ValueNode_Duplicate(x);
-}
-
-LinkableValueNode*
-ValueNode_Duplicate::create_new()const
-{
- return new ValueNode_Duplicate(get_type());
-}
-
-ValueNode_Duplicate::~ValueNode_Duplicate()
-{
- unlink_all();
-}
-
-bool
-ValueNode_Duplicate::set_link_vfunc(int i,ValueNode::Handle value)
-{
- assert(i>=0 && i<link_count());
-
- switch(i)
- {
- case 0: CHECK_TYPE_AND_SET_VALUE(from_, ValueBase::TYPE_REAL);
- case 1: CHECK_TYPE_AND_SET_VALUE(to_, ValueBase::TYPE_REAL);
- case 2: CHECK_TYPE_AND_SET_VALUE(step_, ValueBase::TYPE_REAL);
- }
- return false;
-}
-
-ValueNode::LooseHandle
-ValueNode_Duplicate::get_link_vfunc(int i)const
-{
- assert(i>=0 && i<link_count());
-
- if(i==0) return from_;
- if(i==1) return to_;
- if(i==2) return step_;
-
- return 0;
-}
-
-int
-ValueNode_Duplicate::link_count()const
-{
- return 3;
-}
-
-String
-ValueNode_Duplicate::link_local_name(int i)const
-{
- assert(i>=0 && i<link_count());
-
- if(i==0) return _("From");
- if(i==1) return _("To");
- if(i==2) return _("Step");
- return String();
-}
-
-String
-ValueNode_Duplicate::link_name(int i)const
-{
- assert(i>=0 && i<link_count());
-
- if(i==0) return "from";
- if(i==1) return "to";
- if(i==2) return "step";
- return String();
-}
-
-int
-ValueNode_Duplicate::get_link_index_from_name(const String &name)const
-{
- if(name=="from") return 0;
- if(name=="to") return 1;
- if(name=="step") return 2;
-
- throw Exception::BadLinkName(name);
-}
-
-void
-ValueNode_Duplicate::reset_index(Time t)const
-{
- Real from = (*from_)(t).get(Real());
- index = from;
-}
-
-bool
-ValueNode_Duplicate::step(Time t)const
-{
- Real from = (*from_)(t).get(Real());
- Real to = (*to_ )(t).get(Real());
- Real step = (*step_)(t).get(Real());
- Real prev = index;
-
- if (step == 0) return false;
-
- step = abs(step);
-
- if (from < to)
- {
- if ((index += step) <= to) return true;
- }
- else
- if ((index -= step) >= to) return true;
-
- // at the end of the loop, leave the index at the last value that was used
- index = prev;
- return false;
-}
-
-int
-ValueNode_Duplicate::count_steps(Time t)const
-{
- Real from = (*from_)(t).get(Real());
- Real to = (*to_ )(t).get(Real());
- Real step = (*step_)(t).get(Real());
-
- if (step == 0) return 1;
-
- return abs((from - to) / step) + 1;
-}
-
-ValueBase
-ValueNode_Duplicate::operator()(Time t __attribute__ ((unused)))const
-{
- if (getenv("SYNFIG_DEBUG_VALUENODE_OPERATORS"))
- printf("%s:%d operator()\n", __FILE__, __LINE__);
-
- return index;
-}
-
-String
-ValueNode_Duplicate::get_name()const
-{
- return "duplicate";
-}
-
-String
-ValueNode_Duplicate::get_local_name()const
-{
- return _("Duplicate");
-}
-
-bool
-ValueNode_Duplicate::check_type(ValueBase::Type type __attribute__ ((unused)))
-{
- // never offer this as a choice. it's used automatically by the 'Duplicate' layer.
- return false;
-}