diff options
Diffstat (limited to 'drawinglayer/source/animation')
| -rw-r--r-- | drawinglayer/source/animation/animationtiming.cxx | 347 |
1 files changed, 347 insertions, 0 deletions
diff --git a/drawinglayer/source/animation/animationtiming.cxx b/drawinglayer/source/animation/animationtiming.cxx new file mode 100644 index 000000000..7be8ac2d9 --- /dev/null +++ b/drawinglayer/source/animation/animationtiming.cxx @@ -0,0 +1,347 @@ +/* -*- 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 . + */ + +#include <memory> + +#include <drawinglayer/animation/animationtiming.hxx> +#include <basegfx/numeric/ftools.hxx> + +namespace drawinglayer::animation +{ + + + AnimationEntry::AnimationEntry() + { + } + + AnimationEntry::~AnimationEntry() + { + } + + + AnimationEntryFixed::AnimationEntryFixed(double fDuration, double fState) + : mfDuration(fDuration), + mfState(fState) + { + } + + AnimationEntryFixed::~AnimationEntryFixed() + { + } + + std::unique_ptr<AnimationEntry> AnimationEntryFixed::clone() const + { + return std::make_unique<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() + { + } + + std::unique_ptr<AnimationEntry> AnimationEntryLinear::clone() const + { + return std::make_unique<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; + } + } + + + AnimationEntryList::Entries::size_type AnimationEntryList::impGetIndexAtTime(double fTime, double &rfAddedTime) const + { + Entries::size_type nIndex(0); + + 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() + { + } + + std::unique_ptr<AnimationEntry> AnimationEntryList::clone() const + { + std::unique_ptr<AnimationEntryList> pNew(std::make_unique<AnimationEntryList>()); + + for(const auto &i : maEntries) + { + pNew->append(*i); + } + + return pNew; + } + + bool AnimationEntryList::operator==(const AnimationEntry& rCandidate) const + { + const AnimationEntryList* pCompare = dynamic_cast< const AnimationEntryList* >(&rCandidate); + + if(pCompare && mfDuration == pCompare->mfDuration) + { + for(size_t a(0); 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 auto 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 auto 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() + { + } + + std::unique_ptr<AnimationEntry> AnimationEntryLoop::clone() const + { + std::unique_ptr<AnimationEntryLoop> pNew(std::make_unique<AnimationEntryLoop>(mnRepeat)); + + for(const auto &i : maEntries) + { + pNew->append(*i); + } + + 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 * static_cast<double>(mnRepeat)); + } + + double AnimationEntryLoop::getStateAtTime(double fTime) const + { + if(mnRepeat && !basegfx::fTools::equalZero(mfDuration)) + { + const sal_uInt32 nCurrentLoop(static_cast<sal_uInt32>(fTime / mfDuration)); + + if(nCurrentLoop > mnRepeat) + { + return 1.0; + } + else + { + const double fTimeAtLoopStart(static_cast<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(static_cast<sal_uInt32>(fTime / mfDuration)); + + if(nCurrentLoop <= mnRepeat) + { + const double fTimeAtLoopStart(static_cast<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 + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |