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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
commited5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch)
tree7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /drawinglayer/source/animation/animationtiming.cxx
parentInitial commit. (diff)
downloadlibreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.tar.xz
libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.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 'drawinglayer/source/animation/animationtiming.cxx')
-rw-r--r--drawinglayer/source/animation/animationtiming.cxx346
1 files changed, 346 insertions, 0 deletions
diff --git a/drawinglayer/source/animation/animationtiming.cxx b/drawinglayer/source/animation/animationtiming.cxx
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+/* -*- 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)
+ : 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: */