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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:06:44 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:06:44 +0000 |
commit | ed5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch) | |
tree | 7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /slideshow/source/engine/activities/discreteactivitybase.hxx | |
parent | Initial commit. (diff) | |
download | libreoffice-upstream.tar.xz libreoffice-upstream.zip |
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | slideshow/source/engine/activities/discreteactivitybase.hxx | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/slideshow/source/engine/activities/discreteactivitybase.hxx b/slideshow/source/engine/activities/discreteactivitybase.hxx new file mode 100644 index 000000000..1332ad3c5 --- /dev/null +++ b/slideshow/source/engine/activities/discreteactivitybase.hxx @@ -0,0 +1,79 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * 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 . + */ + +#ifndef INCLUDED_SLIDESHOW_SOURCE_ENGINE_ACTIVITIES_DISCRETEACTIVITYBASE_HXX +#define INCLUDED_SLIDESHOW_SOURCE_ENGINE_ACTIVITIES_DISCRETEACTIVITYBASE_HXX + +#include "activitybase.hxx" +#include <wakeupevent.hxx> + +#include <vector> + + +namespace slideshow::internal + { + /** Specialization of ActivityBase for discrete time activities. + + A discrete time activity is one where time proceeds in + discrete steps, i.e. at given time instants. + */ + class DiscreteActivityBase : public ActivityBase + { + public: + explicit DiscreteActivityBase( const ActivityParameters& rParms ); + + /** Hook for derived classes. + + This method is called for each discrete time + instant, with nFrame denoting the frame number + (starting with 0) + + @param nFrame + Current frame number. + + @param nRepeatCount + Number of full repeats already performed + */ + virtual void perform( sal_uInt32 nFrame, sal_uInt32 nRepeatCount ) const = 0; + virtual void dispose() override; + virtual bool perform() override; + + protected: + virtual void startAnimation() override; + + sal_uInt32 calcFrameIndex( sal_uInt32 nCurrCalls, + ::std::size_t nVectorSize ) const; + + sal_uInt32 calcRepeatCount( sal_uInt32 nCurrCalls, + ::std::size_t nVectorSize ) const; + + ::std::size_t getNumberOfKeyTimes() const { return maDiscreteTimes.size(); } + + private: + WakeupEventSharedPtr mpWakeupEvent; + const ::std::vector< double > maDiscreteTimes; + const double mnSimpleDuration; + sal_uInt32 mnCurrPerformCalls; + }; + +} + +#endif // INCLUDED_SLIDESHOW_SOURCE_ENGINE_ACTIVITIES_DISCRETEACTIVITYBASE_HXX + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |