127 lines
5 KiB
C++
127 lines
5 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <svx/sdr/animation/animationstate.hxx>
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#include <svx/sdr/contact/viewobjectcontact.hxx>
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#include <svx/sdr/animation/objectanimator.hxx>
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#include <svx/sdr/contact/objectcontact.hxx>
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#include <drawinglayer/primitive2d/animatedprimitive2d.hxx>
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#include <drawinglayer/animation/animationtiming.hxx>
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#include <comphelper/lok.hxx>
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namespace sdr::animation
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{
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double PrimitiveAnimation::getSmallestNextTime(double fCurrentTime)
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{
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double fRetval(0.0);
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if(!maAnimatedPrimitives.empty())
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{
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for(const drawinglayer::primitive2d::Primitive2DReference & xRef : maAnimatedPrimitives)
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{
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const drawinglayer::primitive2d::AnimatedSwitchPrimitive2D* pCandidate = static_cast< const drawinglayer::primitive2d::AnimatedSwitchPrimitive2D* >(xRef.get());
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const drawinglayer::animation::AnimationEntry& rAnimEntry = pCandidate->getAnimationEntry();
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const double fNextTime(rAnimEntry.getNextEventTime(fCurrentTime));
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if(!::basegfx::fTools::equalZero(fNextTime))
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{
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if(::basegfx::fTools::equalZero(fRetval))
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{
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fRetval = fNextTime;
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}
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else if(::basegfx::fTools::less(fNextTime, fRetval))
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{
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fRetval = fNextTime;
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}
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}
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}
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}
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return fRetval;
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}
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void PrimitiveAnimation::prepareNextEvent()
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{
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const double fCurrentTime(mrVOContact.GetObjectContact().getPrimitiveAnimator().GetTime());
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const double fNextTime(getSmallestNextTime(fCurrentTime));
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// getSmallestNextTime will be zero when animation ended. If not zero, a next step
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// exists
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if(::basegfx::fTools::equalZero(fNextTime))
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return;
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// next time point exists, use it
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sal_uInt32 nNextTime;
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if(fNextTime >= double(0xffffff00))
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{
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// take care for very late points in time, e.g. when a text animation stops
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// in a defined AnimationEntryFixed with endless (0xffffffff) duration
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nNextTime = GetTime() + (1000 * 60 * 60); // one hour, works with vcl timers, 0xffffff00 was too much...
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}
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else
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{
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nNextTime = static_cast<sal_uInt32>(fNextTime);
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}
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// ensure step forward in integer timing, the floating step difference maybe smaller than 1.0. Use
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// at least 25ms for next step
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const sal_uInt32 nMinimumStepTime(static_cast<sal_uInt32>(fCurrentTime) + 25);
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if(nNextTime <= nMinimumStepTime)
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{
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nNextTime = nMinimumStepTime;
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}
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// set time and reactivate by re-adding to the scheduler
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SetTime(nNextTime);
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mrVOContact.GetObjectContact().getPrimitiveAnimator().InsertEvent(*this);
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}
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PrimitiveAnimation::PrimitiveAnimation(sdr::contact::ViewObjectContact& rVOContact, drawinglayer::primitive2d::Primitive2DContainer&& rAnimatedPrimitives)
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: mrVOContact(rVOContact),
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maAnimatedPrimitives(std::move(rAnimatedPrimitives))
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{
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if (!comphelper::LibreOfficeKit::isActive())
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// setup initially
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prepareNextEvent();
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}
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PrimitiveAnimation::~PrimitiveAnimation()
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{
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// ensure that Event member is removed from PrimitiveAnimator
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mrVOContact.GetObjectContact().getPrimitiveAnimator().RemoveEvent(this);
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}
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// execute event, from base class Event
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void PrimitiveAnimation::Trigger(sal_uInt32 /*nTime*/)
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{
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// schedule a repaint of associated object
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mrVOContact.ActionChanged();
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if (!comphelper::LibreOfficeKit::isActive())
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// re-setup
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prepareNextEvent();
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}
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} // end of namespace
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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