378 lines
12 KiB
C++
378 lines
12 KiB
C++
/*************************************************************************
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* $RCSfile: animationtiming.cxx,v $
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*
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* $Revision: 1.6 $
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*
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* last change: $Author: aw $ $Date: 2008-05-27 14:11:19 $
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*
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* The Contents of this file are made available subject to
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* the terms of GNU Lesser General Public License Version 2.1.
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*
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2005 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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************************************************************************/
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// MARKER(update_precomp.py): autogen include statement, do not remove
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#include "precompiled_drawinglayer.hxx"
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#include <drawinglayer/animation/animationtiming.hxx>
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#include <basegfx/numeric/ftools.hxx>
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//////////////////////////////////////////////////////////////////////////////
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namespace drawinglayer
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{
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namespace animation
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{
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//////////////////////////////////////////////////////////////////////////////
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AnimationEntry::AnimationEntry()
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{
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}
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AnimationEntry::~AnimationEntry()
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{
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}
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//////////////////////////////////////////////////////////////////////////////
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AnimationEntryFixed::AnimationEntryFixed(double fDuration, double fState)
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: mfDuration(fDuration),
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mfState(fState)
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{
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}
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AnimationEntryFixed::~AnimationEntryFixed()
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{
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}
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AnimationEntry* AnimationEntryFixed::clone() const
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{
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return new AnimationEntryFixed(mfDuration, mfState);
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}
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bool AnimationEntryFixed::operator==(const AnimationEntry& rCandidate) const
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{
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const AnimationEntryFixed* pCompare = dynamic_cast< const AnimationEntryFixed* >(&rCandidate);
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return (pCompare
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&& basegfx::fTools::equal(mfDuration, pCompare->mfDuration)
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&& basegfx::fTools::equal(mfState, pCompare->mfState));
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}
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double AnimationEntryFixed::getDuration() const
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{
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return mfDuration;
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}
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double AnimationEntryFixed::getStateAtTime(double /*fTime*/) const
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{
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return mfState;
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}
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double AnimationEntryFixed::getNextEventTime(double fTime) const
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{
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if(basegfx::fTools::less(fTime, mfDuration))
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{
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return mfDuration;
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}
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else
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{
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return 0.0;
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}
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}
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//////////////////////////////////////////////////////////////////////////////
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AnimationEntryLinear::AnimationEntryLinear(double fDuration, double fFrequency, double fStart, double fStop)
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: mfDuration(fDuration),
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mfFrequency(fFrequency),
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mfStart(fStart),
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mfStop(fStop)
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{
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}
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AnimationEntryLinear::~AnimationEntryLinear()
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{
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}
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AnimationEntry* AnimationEntryLinear::clone() const
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{
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return new AnimationEntryLinear(mfDuration, mfFrequency, mfStart, mfStop);
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}
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bool AnimationEntryLinear::operator==(const AnimationEntry& rCandidate) const
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{
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const AnimationEntryLinear* pCompare = dynamic_cast< const AnimationEntryLinear* >(&rCandidate);
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return (pCompare
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&& basegfx::fTools::equal(mfDuration, pCompare->mfDuration)
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&& basegfx::fTools::equal(mfStart, pCompare->mfStart)
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&& basegfx::fTools::equal(mfStop, pCompare->mfStop));
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}
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double AnimationEntryLinear::getDuration() const
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{
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return mfDuration;
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}
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double AnimationEntryLinear::getStateAtTime(double fTime) const
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{
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if(basegfx::fTools::more(mfDuration, 0.0))
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{
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const double fFactor(fTime / mfDuration);
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if(fFactor > 1.0)
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{
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return mfStop;
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}
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else
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{
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return mfStart + ((mfStop - mfStart) * fFactor);
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}
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}
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else
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{
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return mfStart;
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}
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}
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double AnimationEntryLinear::getNextEventTime(double fTime) const
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{
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if(basegfx::fTools::less(fTime, mfDuration))
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{
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// use the simple solution: just add the frequency. More correct (but also more
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// complicated) would be to calculate the slice of time we are in and when this
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// slice will end. For the animations, this makes no quality difference.
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fTime += mfFrequency;
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if(basegfx::fTools::more(fTime, mfDuration))
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{
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fTime = mfDuration;
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}
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return fTime;
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}
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else
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{
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return 0.0;
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}
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}
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//////////////////////////////////////////////////////////////////////////////
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sal_uInt32 AnimationEntryList::impGetIndexAtTime(double fTime, double &rfAddedTime) const
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{
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sal_uInt32 nIndex(0L);
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while(nIndex < maEntries.size() && basegfx::fTools::lessOrEqual(rfAddedTime + maEntries[nIndex]->getDuration(), fTime))
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{
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rfAddedTime += maEntries[nIndex++]->getDuration();
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}
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return nIndex;
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}
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AnimationEntryList::AnimationEntryList()
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: mfDuration(0.0)
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{
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}
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AnimationEntryList::~AnimationEntryList()
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{
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for(sal_uInt32 a(0L); a < maEntries.size(); a++)
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{
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delete maEntries[a];
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}
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}
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AnimationEntry* AnimationEntryList::clone() const
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{
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AnimationEntryList* pNew = new AnimationEntryList();
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for(sal_uInt32 a(0L); a < maEntries.size(); a++)
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{
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pNew->append(*maEntries[a]);
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}
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return pNew;
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}
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bool AnimationEntryList::operator==(const AnimationEntry& rCandidate) const
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{
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const AnimationEntryList* pCompare = dynamic_cast< const AnimationEntryList* >(&rCandidate);
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if(pCompare && mfDuration == pCompare->mfDuration)
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{
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for(sal_uInt32 a(0L); a < maEntries.size(); a++)
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{
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if(!(*maEntries[a] == *pCompare->maEntries[a]))
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{
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return false;
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}
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}
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return true;
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}
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return false;
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}
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void AnimationEntryList::append(const AnimationEntry& rCandidate)
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{
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const double fDuration(rCandidate.getDuration());
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if(!basegfx::fTools::equalZero(fDuration))
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{
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maEntries.push_back(rCandidate.clone());
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mfDuration += fDuration;
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}
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}
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double AnimationEntryList::getDuration() const
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{
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return mfDuration;
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}
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double AnimationEntryList::getStateAtTime(double fTime) const
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{
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if(!basegfx::fTools::equalZero(mfDuration))
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{
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double fAddedTime(0.0);
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const sal_uInt32 nIndex(impGetIndexAtTime(fTime, fAddedTime));
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if(nIndex < maEntries.size())
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{
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return maEntries[nIndex]->getStateAtTime(fTime - fAddedTime);
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}
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}
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return 0.0;
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}
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double AnimationEntryList::getNextEventTime(double fTime) const
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{
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double fNewTime(0.0);
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if(!basegfx::fTools::equalZero(mfDuration))
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{
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double fAddedTime(0.0);
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const sal_uInt32 nIndex(impGetIndexAtTime(fTime, fAddedTime));
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if(nIndex < maEntries.size())
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{
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fNewTime = maEntries[nIndex]->getNextEventTime(fTime - fAddedTime) + fAddedTime;
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}
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}
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return fNewTime;
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}
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//////////////////////////////////////////////////////////////////////////////
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AnimationEntryLoop::AnimationEntryLoop(sal_uInt32 nRepeat)
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: AnimationEntryList(),
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mnRepeat(nRepeat)
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{
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}
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AnimationEntryLoop::~AnimationEntryLoop()
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{
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}
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AnimationEntry* AnimationEntryLoop::clone() const
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{
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AnimationEntryLoop* pNew = new AnimationEntryLoop(mnRepeat);
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for(sal_uInt32 a(0L); a < maEntries.size(); a++)
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{
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pNew->append(*maEntries[a]);
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}
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return pNew;
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}
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bool AnimationEntryLoop::operator==(const AnimationEntry& rCandidate) const
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{
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const AnimationEntryLoop* pCompare = dynamic_cast< const AnimationEntryLoop* >(&rCandidate);
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return (pCompare
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&& mnRepeat == pCompare->mnRepeat
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&& AnimationEntryList::operator==(rCandidate));
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}
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double AnimationEntryLoop::getDuration() const
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{
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return (mfDuration * (double)mnRepeat);
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}
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double AnimationEntryLoop::getStateAtTime(double fTime) const
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{
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if(mnRepeat && !basegfx::fTools::equalZero(mfDuration))
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{
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const sal_uInt32 nCurrentLoop((sal_uInt32)(fTime / mfDuration));
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if(nCurrentLoop > mnRepeat)
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{
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return 1.0;
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}
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else
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{
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const double fTimeAtLoopStart((double)nCurrentLoop * mfDuration);
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const double fRelativeTime(fTime - fTimeAtLoopStart);
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return AnimationEntryList::getStateAtTime(fRelativeTime);
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}
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}
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return 0.0;
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}
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double AnimationEntryLoop::getNextEventTime(double fTime) const
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{
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double fNewTime(0.0);
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if(mnRepeat && !basegfx::fTools::equalZero(mfDuration))
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{
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const sal_uInt32 nCurrentLoop((sal_uInt32)(fTime / mfDuration));
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if(nCurrentLoop <= mnRepeat)
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{
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const double fTimeAtLoopStart((double)nCurrentLoop * mfDuration);
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const double fRelativeTime(fTime - fTimeAtLoopStart);
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const double fNextEventAtLoop(AnimationEntryList::getNextEventTime(fRelativeTime));
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if(!basegfx::fTools::equalZero(fNextEventAtLoop))
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{
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fNewTime = fNextEventAtLoop + fTimeAtLoopStart;
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}
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}
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}
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return fNewTime;
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}
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} // end of namespace animation
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} // end of namespace drawinglayer
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//////////////////////////////////////////////////////////////////////////////
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// eof
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