209 lines
7.5 KiB
C++
209 lines
7.5 KiB
C++
/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org 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
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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#ifndef INCLUDED_SLIDESHOW_TRANSITIONS_SLIDECHANGEBASE_HXX
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#define INCLUDED_SLIDESHOW_TRANSITIONS_SLIDECHANGEBASE_HXX
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#include <osl/mutex.hxx>
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#include "unoview.hxx"
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#include "vieweventhandler.hxx"
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#include "numberanimation.hxx"
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#include "slide.hxx"
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#include "screenupdater.hxx"
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#include "soundplayer.hxx"
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#include <boost/enable_shared_from_this.hpp>
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#include <boost/noncopyable.hpp>
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#include <boost/optional.hpp>
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namespace cppcanvas
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{
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class Canvas;
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class CustomSprite;
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}
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namespace slideshow {
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namespace internal {
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/** Base class for all slide change effects.
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This class provides the basic sprite and view handling
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functionality. Derived classes should normally only need to
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implement the perform() method.
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*/
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class SlideChangeBase : public ViewEventHandler,
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public NumberAnimation,
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public boost::enable_shared_from_this<SlideChangeBase>,
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private ::boost::noncopyable
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{
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public:
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// NumberAnimation
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virtual bool operator()( double x );
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virtual double getUnderlyingValue() const;
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// Animation
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virtual void prefetch( const AnimatableShapeSharedPtr&,
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const ShapeAttributeLayerSharedPtr& );
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virtual void start( const AnimatableShapeSharedPtr&,
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const ShapeAttributeLayerSharedPtr& );
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virtual void end();
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// ViewEventHandler
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virtual void viewAdded( const UnoViewSharedPtr& rView );
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virtual void viewRemoved( const UnoViewSharedPtr& rView );
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virtual void viewChanged( const UnoViewSharedPtr& rView );
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virtual void viewsChanged();
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protected:
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/** Create a new SlideChanger, for the given leaving and
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entering slides.
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*/
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SlideChangeBase(
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::boost::optional<SlideSharedPtr> const & leavingSlide,
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const SlideSharedPtr& pEnteringSlide,
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const SoundPlayerSharedPtr& pSoundPlayer,
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const UnoViewContainer& rViewContainer,
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ScreenUpdater& rScreenUpdater,
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EventMultiplexer& rEventMultiplexer,
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bool bCreateLeavingSprites = true,
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bool bCreateEnteringSprites = true );
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/// Info on a per-view basis
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struct ViewEntry
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{
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ViewEntry() {}
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explicit ViewEntry( const UnoViewSharedPtr& rView ) :
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mpView( rView )
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{
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}
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/// The view this entry is for
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UnoViewSharedPtr mpView;
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/// outgoing slide sprite
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boost::shared_ptr<cppcanvas::CustomSprite> mpOutSprite;
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/// incoming slide sprite
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boost::shared_ptr<cppcanvas::CustomSprite> mpInSprite;
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/// outgoing slide bitmap
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mutable SlideBitmapSharedPtr mpLeavingBitmap;
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/// incoming slide bitmap
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mutable SlideBitmapSharedPtr mpEnteringBitmap;
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// for algo access
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const UnoViewSharedPtr& getView() const { return mpView; }
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};
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typedef ::std::vector<ViewEntry> ViewsVecT;
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ViewsVecT::const_iterator beginViews() { return maViewData.begin(); }
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ViewsVecT::const_iterator endViews() { return maViewData.end(); }
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SlideBitmapSharedPtr getLeavingBitmap( const ViewEntry& rViewEntry ) const;
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SlideBitmapSharedPtr getEnteringBitmap( const ViewEntry& rViewEntry ) const;
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SlideBitmapSharedPtr createBitmap( const UnoViewSharedPtr& pView,
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const boost::optional<SlideSharedPtr>& rSlide_ ) const;
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::basegfx::B2ISize getEnteringSlideSizePixel( const UnoViewSharedPtr& pView ) const;
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::basegfx::B2ISize getLeavingSlideSizePixel( const UnoViewSharedPtr& pView ) const;
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void renderBitmap( SlideBitmapSharedPtr const& pSlideBitmap,
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boost::shared_ptr<cppcanvas::Canvas> const& pCanvas );
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/** Called on derived classes to implement actual slide change.
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This method is called with the sprite of the slide coming 'in'
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@param rSprite
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Current sprite to operate on. This is the sprite of the
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'entering' slide
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@param t
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Current parameter value
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*/
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virtual void performIn(
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const boost::shared_ptr<cppcanvas::CustomSprite>& rSprite,
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const ViewEntry& rViewEntry,
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const boost::shared_ptr<cppcanvas::Canvas>& rDestinationCanvas,
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double t );
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/** Called on derived classes to implement actual slide change.
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This method is called with the sprite of the slide moving 'out'
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@param rSprite
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Current sprite to operate on. This is the sprite of the
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'leaving' slide
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@param t
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Current parameter value
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*/
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virtual void performOut(
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const boost::shared_ptr<cppcanvas::CustomSprite>& rSprite,
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const ViewEntry& rViewEntry,
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const boost::shared_ptr<cppcanvas::Canvas>& rDestinationCanvas,
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double t );
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ScreenUpdater& getScreenUpdater() const { return mrScreenUpdater; }
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private:
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boost::shared_ptr<cppcanvas::CustomSprite> createSprite(
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UnoViewSharedPtr const & pView,
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::basegfx::B2DSize const & rSpriteSize,
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double nPrio ) const;
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void addSprites( ViewEntry& rEntry );
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void clearViewEntry( ViewEntry& rEntry );
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ViewsVecT::iterator lookupView( UnoViewSharedPtr const & pView );
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ViewsVecT::const_iterator lookupView( UnoViewSharedPtr const & pView ) const;
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SoundPlayerSharedPtr mpSoundPlayer;
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EventMultiplexer& mrEventMultiplexer;
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ScreenUpdater& mrScreenUpdater;
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::boost::optional<SlideSharedPtr> maLeavingSlide;
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SlideSharedPtr mpEnteringSlide;
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ViewsVecT maViewData;
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const UnoViewContainer& mrViewContainer;
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const bool mbCreateLeavingSprites;
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const bool mbCreateEnteringSprites;
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bool mbSpritesVisible;
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bool mbFinished;
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bool mbPrefetched;
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};
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} // namespace internal
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} // namespace presentation
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#endif /* INCLUDED_SLIDESHOW_TRANSITIONS_SLIDECHANGEBASE_HXX */
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