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Diffstat (limited to 'drawinglayer/source/animation/animationtiming.cxx')
| -rw-r--r-- | drawinglayer/source/animation/animationtiming.cxx | 373 |
1 files changed, 373 insertions, 0 deletions
diff --git a/drawinglayer/source/animation/animationtiming.cxx b/drawinglayer/source/animation/animationtiming.cxx new file mode 100644 index 000000000000..348e9b4a37cc --- /dev/null +++ b/drawinglayer/source/animation/animationtiming.cxx @@ -0,0 +1,373 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +// MARKER(update_precomp.py): autogen include statement, do not remove +#include "precompiled_drawinglayer.hxx" + +#include <drawinglayer/animation/animationtiming.hxx> +#include <basegfx/numeric/ftools.hxx> + +////////////////////////////////////////////////////////////////////////////// + +namespace drawinglayer +{ + namespace animation + { + ////////////////////////////////////////////////////////////////////////////// + + AnimationEntry::AnimationEntry() + { + } + + AnimationEntry::~AnimationEntry() + { + } + + ////////////////////////////////////////////////////////////////////////////// + + AnimationEntryFixed::AnimationEntryFixed(double fDuration, double fState) + : mfDuration(fDuration), + mfState(fState) + { + } + + AnimationEntryFixed::~AnimationEntryFixed() + { + } + + AnimationEntry* AnimationEntryFixed::clone() const + { + return new AnimationEntryFixed(mfDuration, mfState); + } + + bool AnimationEntryFixed::operator==(const AnimationEntry& rCandidate) const + { + const AnimationEntryFixed* pCompare = dynamic_cast< const AnimationEntryFixed* >(&rCandidate); + + return (pCompare + && basegfx::fTools::equal(mfDuration, pCompare->mfDuration) + && basegfx::fTools::equal(mfState, pCompare->mfState)); + } + + double AnimationEntryFixed::getDuration() const + { + return mfDuration; + } + + double AnimationEntryFixed::getStateAtTime(double /*fTime*/) const + { + return mfState; + } + + double AnimationEntryFixed::getNextEventTime(double fTime) const + { + if(basegfx::fTools::less(fTime, mfDuration)) + { + return mfDuration; + } + else + { + return 0.0; + } + } + + ////////////////////////////////////////////////////////////////////////////// + + AnimationEntryLinear::AnimationEntryLinear(double fDuration, double fFrequency, double fStart, double fStop) + : mfDuration(fDuration), + mfFrequency(fFrequency), + mfStart(fStart), + mfStop(fStop) + { + } + + AnimationEntryLinear::~AnimationEntryLinear() + { + } + + AnimationEntry* AnimationEntryLinear::clone() const + { + return new AnimationEntryLinear(mfDuration, mfFrequency, mfStart, mfStop); + } + + bool AnimationEntryLinear::operator==(const AnimationEntry& rCandidate) const + { + const AnimationEntryLinear* pCompare = dynamic_cast< const AnimationEntryLinear* >(&rCandidate); + + return (pCompare + && basegfx::fTools::equal(mfDuration, pCompare->mfDuration) + && basegfx::fTools::equal(mfStart, pCompare->mfStart) + && basegfx::fTools::equal(mfStop, pCompare->mfStop)); + } + + double AnimationEntryLinear::getDuration() const + { + return mfDuration; + } + + double AnimationEntryLinear::getStateAtTime(double fTime) const + { + if(basegfx::fTools::more(mfDuration, 0.0)) + { + const double fFactor(fTime / mfDuration); + + if(fFactor > 1.0) + { + return mfStop; + } + else + { + return mfStart + ((mfStop - mfStart) * fFactor); + } + } + else + { + return mfStart; + } + } + + double AnimationEntryLinear::getNextEventTime(double fTime) const + { + if(basegfx::fTools::less(fTime, mfDuration)) + { + // use the simple solution: just add the frequency. More correct (but also more + // complicated) would be to calculate the slice of time we are in and when this + // slice will end. For the animations, this makes no quality difference. + fTime += mfFrequency; + + if(basegfx::fTools::more(fTime, mfDuration)) + { + fTime = mfDuration; + } + + return fTime; + } + else + { + return 0.0; + } + } + + ////////////////////////////////////////////////////////////////////////////// + + sal_uInt32 AnimationEntryList::impGetIndexAtTime(double fTime, double &rfAddedTime) const + { + sal_uInt32 nIndex(0L); + + while(nIndex < maEntries.size() && basegfx::fTools::lessOrEqual(rfAddedTime + maEntries[nIndex]->getDuration(), fTime)) + { + rfAddedTime += maEntries[nIndex++]->getDuration(); + } + + return nIndex; + } + + AnimationEntryList::AnimationEntryList() + : mfDuration(0.0) + { + } + + AnimationEntryList::~AnimationEntryList() + { + for(sal_uInt32 a(0L); a < maEntries.size(); a++) + { + delete maEntries[a]; + } + } + + AnimationEntry* AnimationEntryList::clone() const + { + AnimationEntryList* pNew = new AnimationEntryList(); + + for(sal_uInt32 a(0L); a < maEntries.size(); a++) + { + pNew->append(*maEntries[a]); + } + + return pNew; + } + + bool AnimationEntryList::operator==(const AnimationEntry& rCandidate) const + { + const AnimationEntryList* pCompare = dynamic_cast< const AnimationEntryList* >(&rCandidate); + + if(pCompare && mfDuration == pCompare->mfDuration) + { + for(sal_uInt32 a(0L); a < maEntries.size(); a++) + { + if(!(*maEntries[a] == *pCompare->maEntries[a])) + { + return false; + } + } + + return true; + } + + return false; + } + + void AnimationEntryList::append(const AnimationEntry& rCandidate) + { + const double fDuration(rCandidate.getDuration()); + + if(!basegfx::fTools::equalZero(fDuration)) + { + maEntries.push_back(rCandidate.clone()); + mfDuration += fDuration; + } + } + + double AnimationEntryList::getDuration() const + { + return mfDuration; + } + + double AnimationEntryList::getStateAtTime(double fTime) const + { + if(!basegfx::fTools::equalZero(mfDuration)) + { + double fAddedTime(0.0); + const sal_uInt32 nIndex(impGetIndexAtTime(fTime, fAddedTime)); + + if(nIndex < maEntries.size()) + { + return maEntries[nIndex]->getStateAtTime(fTime - fAddedTime); + } + } + + return 0.0; + } + + double AnimationEntryList::getNextEventTime(double fTime) const + { + double fNewTime(0.0); + + if(!basegfx::fTools::equalZero(mfDuration)) + { + double fAddedTime(0.0); + const sal_uInt32 nIndex(impGetIndexAtTime(fTime, fAddedTime)); + + if(nIndex < maEntries.size()) + { + fNewTime = maEntries[nIndex]->getNextEventTime(fTime - fAddedTime) + fAddedTime; + } + } + + return fNewTime; + } + + ////////////////////////////////////////////////////////////////////////////// + + AnimationEntryLoop::AnimationEntryLoop(sal_uInt32 nRepeat) + : AnimationEntryList(), + mnRepeat(nRepeat) + { + } + + AnimationEntryLoop::~AnimationEntryLoop() + { + } + + AnimationEntry* AnimationEntryLoop::clone() const + { + AnimationEntryLoop* pNew = new AnimationEntryLoop(mnRepeat); + + for(sal_uInt32 a(0L); a < maEntries.size(); a++) + { + pNew->append(*maEntries[a]); + } + + return pNew; + } + + bool AnimationEntryLoop::operator==(const AnimationEntry& rCandidate) const + { + const AnimationEntryLoop* pCompare = dynamic_cast< const AnimationEntryLoop* >(&rCandidate); + + return (pCompare + && mnRepeat == pCompare->mnRepeat + && AnimationEntryList::operator==(rCandidate)); + } + + double AnimationEntryLoop::getDuration() const + { + return (mfDuration * (double)mnRepeat); + } + + double AnimationEntryLoop::getStateAtTime(double fTime) const + { + if(mnRepeat && !basegfx::fTools::equalZero(mfDuration)) + { + const sal_uInt32 nCurrentLoop((sal_uInt32)(fTime / mfDuration)); + + if(nCurrentLoop > mnRepeat) + { + return 1.0; + } + else + { + const double fTimeAtLoopStart((double)nCurrentLoop * mfDuration); + const double fRelativeTime(fTime - fTimeAtLoopStart); + return AnimationEntryList::getStateAtTime(fRelativeTime); + } + } + + return 0.0; + } + + double AnimationEntryLoop::getNextEventTime(double fTime) const + { + double fNewTime(0.0); + + if(mnRepeat && !basegfx::fTools::equalZero(mfDuration)) + { + const sal_uInt32 nCurrentLoop((sal_uInt32)(fTime / mfDuration)); + + if(nCurrentLoop <= mnRepeat) + { + const double fTimeAtLoopStart((double)nCurrentLoop * mfDuration); + const double fRelativeTime(fTime - fTimeAtLoopStart); + const double fNextEventAtLoop(AnimationEntryList::getNextEventTime(fRelativeTime)); + + if(!basegfx::fTools::equalZero(fNextEventAtLoop)) + { + fNewTime = fNextEventAtLoop + fTimeAtLoopStart; + } + } + } + + return fNewTime; + } + } // end of namespace animation +} // end of namespace drawinglayer + +////////////////////////////////////////////////////////////////////////////// +// eof + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |