+++ /dev/null
-/* === S Y N F I G ========================================================= */
-/*! \file valuenode_timedswap.cpp
-** \brief Implementation of the "Timed Swap" 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 "general.h"
-#include "valuenode_timedswap.h"
-#include "valuenode_const.h"
-#include <stdexcept>
-#include "color.h"
-#include <ETL/misc>
-
-#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_TimedSwap::ValueNode_TimedSwap(const ValueBase &value):
- LinkableValueNode(value.get_type())
-{
- switch(get_type())
- {
- case ValueBase::TYPE_ANGLE:
- set_link("before",ValueNode_Const::create(value.get(Angle())));
- set_link("after",ValueNode_Const::create(value.get(Angle())));
- break;
- case ValueBase::TYPE_COLOR:
- set_link("before",ValueNode_Const::create(value.get(Color())));
- set_link("after",ValueNode_Const::create(value.get(Color())));
- break;
- case ValueBase::TYPE_INTEGER:
- set_link("before",ValueNode_Const::create(value.get(int())));
- set_link("after",ValueNode_Const::create(value.get(int())));
- break;
- case ValueBase::TYPE_REAL:
- set_link("before",ValueNode_Const::create(value.get(Real())));
- set_link("after",ValueNode_Const::create(value.get(Real())));
- break;
- case ValueBase::TYPE_TIME:
- set_link("before",ValueNode_Const::create(value.get(Time())));
- set_link("after",ValueNode_Const::create(value.get(Time())));
- break;
- case ValueBase::TYPE_VECTOR:
- set_link("before",ValueNode_Const::create(value.get(Vector())));
- set_link("after",ValueNode_Const::create(value.get(Vector())));
- break;
- default:
- throw Exception::BadType(ValueBase::type_local_name(get_type()));
- }
-
- set_link("time",ValueNode_Const::create(Time(2)));
- set_link("length",ValueNode_Const::create(Time(1)));
-
- DCAST_HACK_ENABLE();
-}
-
-ValueNode_TimedSwap*
-ValueNode_TimedSwap::create(const ValueBase& x)
-{
- return new ValueNode_TimedSwap(x);
-}
-
-LinkableValueNode*
-ValueNode_TimedSwap::create_new()const
-{
- return new ValueNode_TimedSwap(get_type());
-}
-
-synfig::ValueNode_TimedSwap::~ValueNode_TimedSwap()
-{
- unlink_all();
-}
-
-synfig::ValueBase
-synfig::ValueNode_TimedSwap::operator()(Time t)const
-{
- if (getenv("SYNFIG_DEBUG_VALUENODE_OPERATORS"))
- printf("%s:%d operator()\n", __FILE__, __LINE__);
-
- Time swptime=(*swap_time)(t).get(Time());
- Time swplength=(*swap_length)(t).get(Time());
-
- if(t>swptime)
- return (*after)(t);
-
- if(t<=swptime && t>swptime-swplength)
- {
- Real amount=(swptime-t)/swplength;
- // if amount==0.0, then we are after
- // if amount==1.0, then we are before
-
- switch(get_type())
- {
- case ValueBase::TYPE_ANGLE:
- {
- Angle a=(*after)(t).get(Angle());
- Angle b=(*before)(t).get(Angle());
- return (b-a)*amount+a;
- }
- case ValueBase::TYPE_COLOR:
- {
- Color a=(*after)(t).get(Color());
- Color b=(*before)(t).get(Color());
- // note: Shouldn't this use a straight blend?
- return (b-a)*amount+a;
- }
- case ValueBase::TYPE_INTEGER:
- {
- float a=(float)(*after)(t).get(int());
- float b=(float)(*before)(t).get(int());
- return round_to_int((b-a)*amount+a);
- }
- case ValueBase::TYPE_REAL:
- {
- Real a=(*after)(t).get(Real());
- Real b=(*before)(t).get(Real());
- return (b-a)*amount+a;
- }
- case ValueBase::TYPE_TIME:
- {
- Time a=(*after)(t).get(Time());
- Time b=(*before)(t).get(Time());
- return (b-a)*amount+a;
- }
- case ValueBase::TYPE_VECTOR:
- {
- Vector a=(*after)(t).get(Vector());
- Vector b=(*before)(t).get(Vector());
- return (b-a)*amount+a;
- }
- default:
- break;
- }
- }
-
- /*! \todo this should interpolate from
- ** before to after over the period defined
- ** by swap_length */
-
- return (*before)(t);
-}
-
-bool
-ValueNode_TimedSwap::set_link_vfunc(int i,ValueNode::Handle value)
-{
- assert(i>=0 && i<link_count());
-
- switch(i)
- {
- case 0: CHECK_TYPE_AND_SET_VALUE(before, get_type());
- case 1: CHECK_TYPE_AND_SET_VALUE(after, get_type());
- case 2: CHECK_TYPE_AND_SET_VALUE(swap_time, ValueBase::TYPE_TIME);
- case 3: CHECK_TYPE_AND_SET_VALUE(swap_length, ValueBase::TYPE_TIME);
- }
- return false;
-}
-
-ValueNode::LooseHandle
-ValueNode_TimedSwap::get_link_vfunc(int i)const
-{
- assert(i>=0 && i<link_count());
-
- switch(i)
- {
- case 0: return before;
- case 1: return after;
- case 2: return swap_time;
- case 3: return swap_length;
- }
- return 0;
-}
-
-int
-ValueNode_TimedSwap::link_count()const
-{
- return 4;
-}
-
-String
-ValueNode_TimedSwap::link_local_name(int i)const
-{
- assert(i>=0 && i<link_count());
-
- switch(i)
- {
- case 0: return _("Before");
- case 1: return _("After");
- case 2: return _("Swap Time");
- case 3: return _("Swap Duration");
- default:return String();
- }
-}
-
-String
-ValueNode_TimedSwap::link_name(int i)const
-{
- assert(i>=0 && i<link_count());
-
- switch(i)
- {
- case 0: return "before";
- case 1: return "after";
- case 2: return "time";
- case 3: return "length";
- default:return String();
- }
-}
-
-int
-ValueNode_TimedSwap::get_link_index_from_name(const String &name)const
-{
- if(name=="before") return 0;
- if(name=="after") return 1;
- if(name=="time") return 2;
- if(name=="length") return 3;
-
- throw Exception::BadLinkName(name);
-}
-
-String
-ValueNode_TimedSwap::get_name()const
-{
- return "timed_swap";
-}
-
-String
-ValueNode_TimedSwap::get_local_name()const
-{
- return _("Timed Swap");
-}
-
-bool
-ValueNode_TimedSwap::check_type(ValueBase::Type type)
-{
- return
- type==ValueBase::TYPE_ANGLE ||
- type==ValueBase::TYPE_COLOR ||
- type==ValueBase::TYPE_INTEGER ||
- type==ValueBase::TYPE_REAL ||
- type==ValueBase::TYPE_TIME ||
- type==ValueBase::TYPE_VECTOR;
-}
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