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       1                 :            : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2                 :            : /*
       3                 :            :  * This file is part of the LibreOffice project.
       4                 :            :  *
       5                 :            :  * This Source Code Form is subject to the terms of the Mozilla Public
       6                 :            :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7                 :            :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8                 :            :  *
       9                 :            :  * This file incorporates work covered by the following license notice:
      10                 :            :  *
      11                 :            :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12                 :            :  *   contributor license agreements. See the NOTICE file distributed
      13                 :            :  *   with this work for additional information regarding copyright
      14                 :            :  *   ownership. The ASF licenses this file to you under the Apache
      15                 :            :  *   License, Version 2.0 (the "License"); you may not use this file
      16                 :            :  *   except in compliance with the License. You may obtain a copy of
      17                 :            :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18                 :            :  */
      19                 :            : 
      20                 :            : 
      21                 :            : // must be first
      22                 :            : #include <canvas/debug.hxx>
      23                 :            : #include <tools/diagnose_ex.h>
      24                 :            : #include <canvas/verbosetrace.hxx>
      25                 :            : 
      26                 :            : #include <continuouskeytimeactivitybase.hxx>
      27                 :            : 
      28                 :            : #include <boost/tuple/tuple.hpp>
      29                 :            : #include <algorithm>
      30                 :            : #include <iterator>
      31                 :            : 
      32                 :            : 
      33                 :            : namespace slideshow
      34                 :            : {
      35                 :            :     namespace internal
      36                 :            :     {
      37                 :          0 :         ContinuousKeyTimeActivityBase::ContinuousKeyTimeActivityBase( const ActivityParameters& rParms ) :
      38                 :            :             SimpleContinuousActivityBase( rParms ),
      39                 :          0 :             maLerper( rParms.maDiscreteTimes )
      40                 :            :         {
      41                 :          0 :             ENSURE_OR_THROW( rParms.maDiscreteTimes.size() > 1,
      42                 :            :                               "ContinuousKeyTimeActivityBase::ContinuousKeyTimeActivityBase(): key times vector must have two entries or more" );
      43                 :          0 :             ENSURE_OR_THROW( rParms.maDiscreteTimes.front() == 0.0,
      44                 :            :                               "ContinuousKeyTimeActivityBase::ContinuousKeyTimeActivityBase(): key times vector first entry must be zero" );
      45                 :          0 :             ENSURE_OR_THROW( rParms.maDiscreteTimes.back() <= 1.0,
      46                 :            :                               "ContinuousKeyTimeActivityBase::ContinuousKeyTimeActivityBase(): key times vector last entry must be less or equal 1" );
      47                 :          0 :         }
      48                 :            : 
      49                 :          0 :         void ContinuousKeyTimeActivityBase::simplePerform( double       nSimpleTime,
      50                 :            :                                                            sal_uInt32   nRepeatCount ) const
      51                 :            :         {
      52                 :            :             // calc simple time from global time - sweep through the
      53                 :            :             // array multiple times for repeated animations (according to
      54                 :            :             // SMIL spec).
      55                 :          0 :             double fAlpha( calcAcceleratedTime( nSimpleTime ) );
      56                 :            :             std::ptrdiff_t nIndex;
      57                 :            : 
      58                 :          0 :             boost::tuples::tie(nIndex,fAlpha) = maLerper.lerp(fAlpha);
      59                 :            : 
      60                 :            :             perform(
      61                 :            :                 nIndex,
      62                 :            :                 fAlpha,
      63                 :          0 :                 nRepeatCount );
      64                 :          0 :         }
      65                 :            :     }
      66                 :          0 : }
      67                 :            : 
      68                 :            : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */