Line data    Source code

       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           3 : }
      67             : 
      68             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */