| /************************************************************** |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the 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 ); |
| } |
| } |
| } |