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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org 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 Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_slideshow.hxx"
// must be first
#include <canvas/debug.hxx>
#include <tools/diagnose_ex.h>
#include <canvas/verbosetrace.hxx>
#include <continuouskeytimeactivitybase.hxx>
#include <boost/tuple/tuple.hpp>
#include <algorithm>
#include <iterator>
namespace slideshow
{
namespace internal
{
ContinuousKeyTimeActivityBase::ContinuousKeyTimeActivityBase( const ActivityParameters& rParms ) :
SimpleContinuousActivityBase( rParms ),
maLerper( rParms.maDiscreteTimes )
{
ENSURE_OR_THROW( rParms.maDiscreteTimes.size() > 1,
"ContinuousKeyTimeActivityBase::ContinuousKeyTimeActivityBase(): key times vector must have two entries or more" );
ENSURE_OR_THROW( rParms.maDiscreteTimes.front() == 0.0,
"ContinuousKeyTimeActivityBase::ContinuousKeyTimeActivityBase(): key times vector first entry must be zero" );
ENSURE_OR_THROW( rParms.maDiscreteTimes.back() <= 1.0,
"ContinuousKeyTimeActivityBase::ContinuousKeyTimeActivityBase(): key times vector last entry must be less or equal 1" );
}
void ContinuousKeyTimeActivityBase::simplePerform( double nSimpleTime,
sal_uInt32 nRepeatCount ) const
{
// calc simple time from global time - sweep through the
// array multiple times for repeated animations (according to
// SMIL spec).
double fAlpha( calcAcceleratedTime( nSimpleTime ) );
std::ptrdiff_t nIndex;
boost::tuples::tie(nIndex,fAlpha) = maLerper.lerp(fAlpha);
perform(
nIndex,
fAlpha,
nRepeatCount );
}
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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