Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 346 insertions, 0 deletions

diff --git a/drawinglayer/source/animation/animationtiming.cxx b/drawinglayer/source/animation/animationtiming.cxx
new file mode 100644
index 000000000..c1471e43b
--- /dev/null
+++ b/drawinglayer/source/animation/animationtiming.cxx
@@ -0,0 +1,346 @@
+/* -*- 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: */