1 /************************************************************************* 2 * 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * Copyright 2000, 2010 Oracle and/or its affiliates. 6 * 7 * OpenOffice.org - a multi-platform office productivity suite 8 * 9 * This file is part of OpenOffice.org. 10 * 11 * OpenOffice.org is free software: you can redistribute it and/or modify 12 * it under the terms of the GNU Lesser General Public License version 3 13 * only, as published by the Free Software Foundation. 14 * 15 * OpenOffice.org is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU Lesser General Public License version 3 for more details 19 * (a copy is included in the LICENSE file that accompanied this code). 20 * 21 * You should have received a copy of the GNU Lesser General Public License 22 * version 3 along with OpenOffice.org. If not, see 23 * <http://www.openoffice.org/license.html> 24 * for a copy of the LGPLv3 License. 25 * 26 ************************************************************************/ 27 28 // MARKER(update_precomp.py): autogen include statement, do not remove 29 #include "precompiled_slideshow.hxx" 30 31 // must be first 32 #include <canvas/debug.hxx> 33 #include <tools/diagnose_ex.h> 34 #include <canvas/verbosetrace.hxx> 35 36 #include <continuouskeytimeactivitybase.hxx> 37 38 #include <boost/tuple/tuple.hpp> 39 #include <algorithm> 40 #include <iterator> 41 42 43 namespace slideshow 44 { 45 namespace internal 46 { 47 ContinuousKeyTimeActivityBase::ContinuousKeyTimeActivityBase( const ActivityParameters& rParms ) : 48 SimpleContinuousActivityBase( rParms ), 49 maLerper( rParms.maDiscreteTimes ) 50 { 51 ENSURE_OR_THROW( rParms.maDiscreteTimes.size() > 1, 52 "ContinuousKeyTimeActivityBase::ContinuousKeyTimeActivityBase(): key times vector must have two entries or more" ); 53 ENSURE_OR_THROW( rParms.maDiscreteTimes.front() == 0.0, 54 "ContinuousKeyTimeActivityBase::ContinuousKeyTimeActivityBase(): key times vector first entry must be zero" ); 55 ENSURE_OR_THROW( rParms.maDiscreteTimes.back() <= 1.0, 56 "ContinuousKeyTimeActivityBase::ContinuousKeyTimeActivityBase(): key times vector last entry must be less or equal 1" ); 57 } 58 59 void ContinuousKeyTimeActivityBase::simplePerform( double nSimpleTime, 60 sal_uInt32 nRepeatCount ) const 61 { 62 // calc simple time from global time - sweep through the 63 // array multiple times for repeated animations (according to 64 // SMIL spec). 65 double fAlpha( calcAcceleratedTime( nSimpleTime ) ); 66 std::ptrdiff_t nIndex; 67 68 boost::tuples::tie(nIndex,fAlpha) = maLerper.lerp(fAlpha); 69 70 perform( 71 nIndex, 72 fAlpha, 73 nRepeatCount ); 74 } 75 } 76 } 77