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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 <tools/diagnose_ex.h>
+#include <sal/log.hxx>
+
+#include <basegfx/matrix/b2dhommatrix.hxx>
+
+#include <cppcanvas/customsprite.hxx>
+
+#include <com/sun/star/animations/TransitionType.hpp>
+#include <com/sun/star/animations/TransitionSubType.hpp>
+
+#include "slidechangebase.hxx"
+#include <transitionfactory.hxx>
+#include "transitionfactorytab.hxx"
+#include "parametricpolypolygonfactory.hxx"
+#include "clippingfunctor.hxx"
+#include "combtransition.hxx"
+#include <tools.hxx>
+#include <memory>
+
+
+/***************************************************
+ *** ***
+ *** Slide Transition Effects ***
+ *** ***
+ ***************************************************/
+
+using namespace com::sun::star;
+
+namespace slideshow::internal {
+
+namespace {
+
+// helper methods
+// =============================================
+
+void fillPage( const ::cppcanvas::CanvasSharedPtr& rDestinationCanvas,
+ const ::basegfx::B2DSize& rPageSizePixel,
+ const RGBColor& rFillColor )
+{
+ // need to render without any transformation (we
+ // assume rPageSizePixel to represent device units)
+ const ::cppcanvas::CanvasSharedPtr pDevicePixelCanvas(
+ rDestinationCanvas->clone() );
+ pDevicePixelCanvas->setTransformation( ::basegfx::B2DHomMatrix() );
+
+ // TODO(F2): Properly respect clip here.
+ // Might have to be transformed, too.
+ const ::basegfx::B2DHomMatrix aViewTransform(
+ rDestinationCanvas->getTransformation() );
+ const ::basegfx::B2DPoint aOutputPosPixel(
+ aViewTransform * ::basegfx::B2DPoint() );
+
+ fillRect( pDevicePixelCanvas,
+ ::basegfx::B2DRectangle(
+ aOutputPosPixel.getX(),
+ aOutputPosPixel.getY(),
+ aOutputPosPixel.getX() + rPageSizePixel.getX(),
+ aOutputPosPixel.getY() + rPageSizePixel.getY() ),
+ rFillColor.getIntegerColor() );
+}
+
+class PluginSlideChange: public SlideChangeBase
+{
+ struct TransitionViewPair {
+ uno::Reference<presentation::XTransition> mxTransition;
+ UnoViewSharedPtr mpView;
+
+ TransitionViewPair( uno::Reference<presentation::XTransition> const & xTransition, const UnoViewSharedPtr& rView )
+ : mxTransition(xTransition), mpView(rView)
+ {
+ }
+
+ ~TransitionViewPair()
+ {
+ mxTransition.clear();
+ mpView.reset();
+ }
+
+ void update( double t )
+ {
+ mxTransition->update( t );
+ }
+ };
+
+public:
+ /** Create a new SlideChanger, for the given leaving and
+ entering slide bitmaps, which uses super secret OpenGL
+ stuff.
+ */
+ PluginSlideChange( sal_Int16 nTransitionType,
+ sal_Int16 nTransitionSubType,
+ const RGBColor& rTransitionFadeColor,
+ std::optional<SlideSharedPtr> const& leavingSlide_,
+ const SlideSharedPtr& pEnteringSlide,
+ const UnoViewContainer& rViewContainer,
+ ScreenUpdater& rScreenUpdater,
+ const uno::Reference<
+ presentation::XTransitionFactory>& xFactory,
+ const SoundPlayerSharedPtr& pSoundPlayer,
+ EventMultiplexer& rEventMultiplexer) :
+ SlideChangeBase( leavingSlide_,
+ pEnteringSlide,
+ pSoundPlayer,
+ rViewContainer,
+ rScreenUpdater,
+ rEventMultiplexer ),
+ maTransitions(),
+ mbSuccess( false ),
+ mnTransitionType( nTransitionType ),
+ mnTransitionSubType( nTransitionSubType ),
+ mnTransitionFadeColor( rTransitionFadeColor ),
+ mxFactory( xFactory )
+ {
+ // create one transition per view
+ for( const auto& rView : rViewContainer )
+ {
+ if( !addTransition( rView ) )
+ return;
+
+ ENSURE_OR_THROW(maTransitions.back() && maTransitions.back()->mxTransition.is(),
+ "Failed to create plugin transition");
+ }
+ mbSuccess = true;
+ }
+
+ virtual ~PluginSlideChange() override
+ {
+ mxFactory.clear();
+ }
+
+ bool addTransition( const UnoViewSharedPtr& rView )
+ {
+ uno::Reference<presentation::XTransition> rTransition = mxFactory->createTransition(
+ mnTransitionType,
+ mnTransitionSubType,
+ RGBAColor2UnoColor( mnTransitionFadeColor.getIntegerColor()),
+ rView->getUnoView(),
+ getLeavingBitmap(ViewEntry(rView))->getXBitmap(),
+ getEnteringBitmap(ViewEntry(rView))->getXBitmap() );
+
+ if( rTransition.is() )
+ maTransitions.emplace_back( new TransitionViewPair( rTransition, rView ) );
+ else
+ return false;
+
+ return true;
+ }
+
+ virtual bool operator()( double t ) override
+ {
+ for( const auto& pTransition : maTransitions )
+ pTransition->update( t );
+ return true;
+ }
+
+ bool Success()
+ {
+ return mbSuccess;
+ }
+
+ // ViewEventHandler
+ virtual void viewAdded( const UnoViewSharedPtr& rView ) override
+ {
+ SAL_INFO("slideshow", "PluginSlideChange viewAdded");
+ SlideChangeBase::viewAdded( rView );
+
+ for( const auto& pCurrView : maTransitions )
+ {
+ if( pCurrView->mpView == rView )
+ return;
+ }
+
+ SAL_INFO("slideshow", "need to be added" );
+ addTransition( rView );
+ }
+
+ virtual void viewRemoved( const UnoViewSharedPtr& rView ) override
+ {
+ SAL_INFO("slideshow", "PluginSlideChange viewRemoved");
+ SlideChangeBase::viewRemoved( rView );
+
+ auto aIter = std::find_if(maTransitions.begin(), maTransitions.end(),
+ [&rView](const std::unique_ptr<TransitionViewPair>& rxTransition) { return rxTransition->mpView == rView; });
+ if (aIter != maTransitions.end())
+ {
+ SAL_INFO("slideshow", "view removed" );
+ maTransitions.erase( aIter );
+ }
+ }
+
+ virtual void viewChanged( const UnoViewSharedPtr& rView ) override
+ {
+ SAL_INFO("slideshow", "PluginSlideChange viewChanged");
+ SlideChangeBase::viewChanged( rView );
+
+ for( const auto& pCurrView : maTransitions )
+ {
+ if( pCurrView->mpView == rView )
+ {
+ SAL_INFO("slideshow", "view changed" );
+ pCurrView->mxTransition->viewChanged( rView->getUnoView(),
+ getLeavingBitmap(ViewEntry(rView))->getXBitmap(),
+ getEnteringBitmap(ViewEntry(rView))->getXBitmap() );
+ }
+ else
+ SAL_INFO("slideshow", "view did not change" );
+ }
+ }
+
+ virtual void viewsChanged() override
+ {
+ SAL_INFO("slideshow", "PluginSlideChange viewsChanged");
+ SlideChangeBase::viewsChanged();
+
+ for( const auto& pCurrView : maTransitions )
+ {
+ SAL_INFO("slideshow", "view changed" );
+ UnoViewSharedPtr pView = pCurrView->mpView;
+ pCurrView->mxTransition->viewChanged( pView->getUnoView(),
+ getLeavingBitmap(ViewEntry(pView))->getXBitmap(),
+ getEnteringBitmap(ViewEntry(pView))->getXBitmap() );
+ }
+ }
+
+private:
+ // One transition object per view
+ std::vector< std::unique_ptr<TransitionViewPair> > maTransitions;
+
+ // bool
+ bool mbSuccess;
+
+ sal_Int16 mnTransitionType;
+ sal_Int16 mnTransitionSubType;
+ RGBColor mnTransitionFadeColor;
+
+ uno::Reference<presentation::XTransitionFactory> mxFactory;
+};
+
+class ClippedSlideChange : public SlideChangeBase
+{
+public:
+ /** Create a new SlideChanger, for the given leaving and
+ entering slide bitmaps, which applies the given clip
+ polygon.
+ */
+ ClippedSlideChange(
+ const SlideSharedPtr& pEnteringSlide,
+ const ParametricPolyPolygonSharedPtr& rPolygon,
+ const TransitionInfo& rTransitionInfo,
+ const UnoViewContainer& rViewContainer,
+ ScreenUpdater& rScreenUpdater,
+ EventMultiplexer& rEventMultiplexer,
+ bool bDirectionForward,
+ const SoundPlayerSharedPtr& pSoundPlayer ) :
+ SlideChangeBase(
+ // leaving bitmap is empty, we're leveraging the fact that the
+ // old slide is still displayed in the background:
+ std::optional<SlideSharedPtr>(),
+ pEnteringSlide,
+ pSoundPlayer,
+ rViewContainer,
+ rScreenUpdater,
+ rEventMultiplexer ),
+ maClippingFunctor( rPolygon,
+ rTransitionInfo,
+ bDirectionForward,
+ true )
+ {}
+
+ virtual void performIn(
+ const ::cppcanvas::CustomSpriteSharedPtr& rSprite,
+ const ViewEntry& rViewEntry,
+ const ::cppcanvas::CanvasSharedPtr& rDestinationCanvas,
+ double t ) override;
+
+ virtual void performOut(
+ const ::cppcanvas::CustomSpriteSharedPtr& rSprite,
+ const ViewEntry& rViewEntry,
+ const ::cppcanvas::CanvasSharedPtr& rDestinationCanvas,
+ double t ) override;
+
+private:
+ ClippingFunctor maClippingFunctor;
+};
+
+void ClippedSlideChange::performIn(
+ const ::cppcanvas::CustomSpriteSharedPtr& rSprite,
+ const ViewEntry& rViewEntry,
+ const ::cppcanvas::CanvasSharedPtr& /*rDestinationCanvas*/,
+ double t )
+{
+ // #i46602# Better work in device coordinate space here,
+ // otherwise, we too easily suffer from roundoffs. Apart from
+ // that, getEnteringSizePixel() _guarantees_ to cover the whole
+ // slide bitmap. There's a catch, though: this removes any effect
+ // of the view transformation (e.g. rotation) from the transition.
+ rSprite->setClipPixel(
+ maClippingFunctor( t,
+ ::basegfx::B2DSize( getEnteringSlideSizePixel(rViewEntry.mpView) ) ) );
+}
+
+void ClippedSlideChange::performOut(
+ const ::cppcanvas::CustomSpriteSharedPtr& /*rSprite*/,
+ const ViewEntry& /*rViewEntry*/,
+ const ::cppcanvas::CanvasSharedPtr& /*rDestinationCanvas*/,
+ double /*t*/ )
+{
+ // not needed here
+}
+
+
+class FadingSlideChange : public SlideChangeBase
+{
+public:
+ /** Create a new SlideChanger, for the given leaving and
+ entering slides, which applies a fade effect.
+ */
+ FadingSlideChange(
+ std::optional<SlideSharedPtr> const & leavingSlide,
+ const SlideSharedPtr& pEnteringSlide,
+ std::optional<RGBColor> const& rFadeColor,
+ const SoundPlayerSharedPtr& pSoundPlayer,
+ const UnoViewContainer& rViewContainer,
+ ScreenUpdater& rScreenUpdater,
+ EventMultiplexer& rEventMultiplexer )
+ : SlideChangeBase( leavingSlide,
+ pEnteringSlide,
+ pSoundPlayer,
+ rViewContainer,
+ rScreenUpdater,
+ rEventMultiplexer ),
+ maFadeColor( rFadeColor )
+ {}
+
+ virtual void prepareForRun(
+ const ViewEntry& rViewEntry,
+ const cppcanvas::CanvasSharedPtr& rDestinationCanvas ) override;
+
+ virtual void performIn(
+ const ::cppcanvas::CustomSpriteSharedPtr& rSprite,
+ const ViewEntry& rViewEntry,
+ const ::cppcanvas::CanvasSharedPtr& rDestinationCanvas,
+ double t ) override;
+
+ virtual void performOut(
+ const ::cppcanvas::CustomSpriteSharedPtr& rSprite,
+ const ViewEntry& rViewEntry,
+ const ::cppcanvas::CanvasSharedPtr& rDestinationCanvas,
+ double t ) override;
+
+private:
+ const std::optional< RGBColor > maFadeColor;
+};
+
+void FadingSlideChange::prepareForRun(
+ const ViewEntry& rViewEntry,
+ const cppcanvas::CanvasSharedPtr& rDestinationCanvas )
+{
+ if ( maFadeColor )
+ {
+ // clear page to given fade color. 'Leaving' slide is
+ // painted atop of that, but slowly fading out.
+ fillPage( rDestinationCanvas,
+ ::basegfx::B2DSize( getEnteringSlideSizePixel( rViewEntry.mpView ) ),
+ *maFadeColor );
+ }
+}
+
+void FadingSlideChange::performIn(
+ const ::cppcanvas::CustomSpriteSharedPtr& rSprite,
+ const ViewEntry& /*rViewEntry*/,
+ const ::cppcanvas::CanvasSharedPtr& /*rDestinationCanvas*/,
+ double t )
+{
+ ENSURE_OR_THROW(
+ rSprite,
+ "FadingSlideChange::performIn(): Invalid sprite" );
+
+ if( maFadeColor )
+ // After half of the active time, fade in new slide
+ rSprite->setAlpha( t > 0.5 ? 2.0*(t-0.5) : 0.0 );
+ else
+ // Fade in new slide over full active time
+ rSprite->setAlpha( t );
+}
+
+void FadingSlideChange::performOut(
+ const ::cppcanvas::CustomSpriteSharedPtr& rSprite,
+ const ViewEntry& /* rViewEntry */,
+ const ::cppcanvas::CanvasSharedPtr& rDestinationCanvas,
+ double t )
+{
+ ENSURE_OR_THROW(
+ rSprite,
+ "FadingSlideChange::performOut(): Invalid sprite" );
+ ENSURE_OR_THROW(
+ rDestinationCanvas,
+ "FadingSlideChange::performOut(): Invalid dest canvas" );
+
+ // only needed for color fades
+ if( maFadeColor )
+ {
+ // Until half of the active time, fade out old
+ // slide. After half of the active time, old slide
+ // will be invisible.
+ rSprite->setAlpha( t > 0.5 ? 0.0 : 2.0*(0.5-t) );
+ }
+}
+
+class CutSlideChange : public SlideChangeBase
+{
+public:
+ /** Create a new SlideChanger, for the given leaving and
+ entering slides, which applies a cut effect.
+ */
+ CutSlideChange(
+ std::optional<SlideSharedPtr> const & leavingSlide,
+ const SlideSharedPtr& pEnteringSlide,
+ const RGBColor& rFadeColor,
+ const SoundPlayerSharedPtr& pSoundPlayer,
+ const UnoViewContainer& rViewContainer,
+ ScreenUpdater& rScreenUpdater,
+ EventMultiplexer& rEventMultiplexer )
+ : SlideChangeBase( leavingSlide,
+ pEnteringSlide,
+ pSoundPlayer,
+ rViewContainer,
+ rScreenUpdater,
+ rEventMultiplexer ),
+ maFadeColor( rFadeColor )
+ {}
+
+ virtual void prepareForRun(
+ const ViewEntry& rViewEntry,
+ const cppcanvas::CanvasSharedPtr& rDestinationCanvas ) override;
+
+ virtual void performIn(
+ const ::cppcanvas::CustomSpriteSharedPtr& rSprite,
+ const ViewEntry& rViewEntry,
+ const ::cppcanvas::CanvasSharedPtr& rDestinationCanvas,
+ double t ) override;
+
+ virtual void performOut(
+ const ::cppcanvas::CustomSpriteSharedPtr& rSprite,
+ const ViewEntry& rViewEntry,
+ const ::cppcanvas::CanvasSharedPtr& rDestinationCanvas,
+ double t ) override;
+
+private:
+ RGBColor maFadeColor;
+};
+
+void CutSlideChange::prepareForRun(
+ const ViewEntry& rViewEntry,
+ const cppcanvas::CanvasSharedPtr& rDestinationCanvas )
+{
+ // clear page to given fade color. 'Leaving' slide is
+ // painted atop of that
+ fillPage( rDestinationCanvas,
+ ::basegfx::B2DSize( getEnteringSlideSizePixel( rViewEntry.mpView ) ),
+ maFadeColor );
+}
+
+void CutSlideChange::performIn(
+ const ::cppcanvas::CustomSpriteSharedPtr& rSprite,
+ const ViewEntry& /*rViewEntry*/,
+ const ::cppcanvas::CanvasSharedPtr& /*rDestinationCanvas*/,
+ double t )
+{
+ ENSURE_OR_THROW(
+ rSprite,
+ "CutSlideChange::performIn(): Invalid sprite" );
+
+ // After 2/3rd of the active time, display new slide
+ rSprite->setAlpha( t > 2/3.0 ? 1.0 : 0.0 );
+}
+
+void CutSlideChange::performOut(
+ const ::cppcanvas::CustomSpriteSharedPtr& rSprite,
+ const ViewEntry& /* rViewEntry */,
+ const ::cppcanvas::CanvasSharedPtr& rDestinationCanvas,
+ double t )
+{
+ ENSURE_OR_THROW(
+ rSprite,
+ "CutSlideChange::performOut(): Invalid sprite" );
+ ENSURE_OR_THROW(
+ rDestinationCanvas,
+ "CutSlideChange::performOut(): Invalid dest canvas" );
+
+ // Until 1/3rd of the active time, display old slide.
+ rSprite->setAlpha( t > 1/3.0 ? 0.0 : 1.0 );
+}
+
+class MovingSlideChange : public SlideChangeBase
+{
+ /// Direction vector for leaving slide,
+ const ::basegfx::B2DVector maLeavingDirection;
+
+ /// Direction vector for entering slide,
+ const ::basegfx::B2DVector maEnteringDirection;
+
+public:
+ /** Create a new SlideChanger, for the given entering slide
+ bitmaps, which performs a moving slide change effect
+
+ @param rLeavingDirection
+ Direction vector. The move is performed along this
+ direction vector, starting at a position where the leaving
+ slide is fully visible, and ending at a position where the
+ leaving slide is just not visible. The vector must have
+ unit length.
+
+ @param rEnteringDirection
+ Direction vector. The move is performed along this
+ direction vector, starting at a position where the
+ entering slide is just not visible, and ending at the
+ final slide position. The vector must have unit length.
+ */
+ MovingSlideChange(
+ const std::optional<SlideSharedPtr>& leavingSlide,
+ const SlideSharedPtr& pEnteringSlide,
+ const SoundPlayerSharedPtr& pSoundPlayer,
+ const UnoViewContainer& rViewContainer,
+ ScreenUpdater& rScreenUpdater,
+ EventMultiplexer& rEventMultiplexer,
+ const ::basegfx::B2DVector& rLeavingDirection,
+ const ::basegfx::B2DVector& rEnteringDirection )
+ : SlideChangeBase(
+ leavingSlide, pEnteringSlide, pSoundPlayer,
+ rViewContainer, rScreenUpdater, rEventMultiplexer,
+ // Optimization: when leaving bitmap is given,
+ // but it does not move, don't create sprites for it,
+ // we simply paint it once at startup:
+ !rLeavingDirection.equalZero() /* bCreateLeavingSprites */,
+ !rEnteringDirection.equalZero() /* bCreateEnteringSprites */ ),
+ // TODO(F1): calc correct length of direction
+ // vector. Directions not strictly horizontal or vertical
+ // must travel a longer distance.
+ maLeavingDirection( rLeavingDirection ),
+ // TODO(F1): calc correct length of direction
+ // vector. Directions not strictly horizontal or vertical
+ // must travel a longer distance.
+ maEnteringDirection( rEnteringDirection )
+ {}
+
+ virtual void prepareForRun(
+ const ViewEntry& rViewEntry,
+ const cppcanvas::CanvasSharedPtr& rDestinationCanvas ) override;
+
+ virtual void performIn(
+ const ::cppcanvas::CustomSpriteSharedPtr& rSprite,
+ const ViewEntry& rViewEntry,
+ const ::cppcanvas::CanvasSharedPtr& rDestinationCanvas,
+ double t ) override;
+
+ virtual void performOut(
+ const ::cppcanvas::CustomSpriteSharedPtr& rSprite,
+ const ViewEntry& rViewEntry,
+ const ::cppcanvas::CanvasSharedPtr& rDestinationCanvas,
+ double t ) override;
+};
+
+void MovingSlideChange::prepareForRun(
+ const ViewEntry& rViewEntry,
+ const cppcanvas::CanvasSharedPtr& rDestinationCanvas )
+{
+ if ( maLeavingDirection.equalZero() )
+ renderBitmap( getLeavingBitmap( rViewEntry ), rDestinationCanvas );
+ else if ( maEnteringDirection.equalZero() )
+ renderBitmap( getEnteringBitmap( rViewEntry ), rDestinationCanvas );
+}
+
+void MovingSlideChange::performIn(
+ const ::cppcanvas::CustomSpriteSharedPtr& rSprite,
+ const ViewEntry& rViewEntry,
+ const ::cppcanvas::CanvasSharedPtr& rDestinationCanvas,
+ double t )
+{
+ // intro sprite moves:
+
+ ENSURE_OR_THROW(
+ rSprite,
+ "MovingSlideChange::performIn(): Invalid sprite" );
+ ENSURE_OR_THROW(
+ rDestinationCanvas,
+ "MovingSlideChange::performIn(): Invalid dest canvas" );
+
+ // TODO(F1): This does not account for non-translational
+ // transformations! If the canvas is rotated, we still
+ // move the sprite unrotated (which might or might not
+ // produce the intended effect).
+ const basegfx::B2DHomMatrix aViewTransform(
+ rDestinationCanvas->getTransformation() );
+ const basegfx::B2DPoint aPageOrigin(
+ aViewTransform * basegfx::B2DPoint() );
+
+ // move sprite
+ rSprite->movePixel(
+ aPageOrigin +
+ ((t - 1.0) *
+ ::basegfx::B2DSize( getEnteringSlideSizePixel(rViewEntry.mpView) ) *
+ maEnteringDirection) );
+}
+
+void MovingSlideChange::performOut(
+ const ::cppcanvas::CustomSpriteSharedPtr& rSprite,
+ const ViewEntry& rViewEntry,
+ const ::cppcanvas::CanvasSharedPtr& rDestinationCanvas,
+ double t )
+{
+ // outro sprite moves:
+
+ ENSURE_OR_THROW(
+ rSprite,
+ "MovingSlideChange::performOut(): Invalid sprite" );
+ ENSURE_OR_THROW(
+ rDestinationCanvas,
+ "MovingSlideChange::performOut(): Invalid dest canvas" );
+
+ // TODO(F1): This does not account for non-translational
+ // transformations! If the canvas is rotated, we still
+ // move the sprite unrotated (which might or might not
+ // produce the intended effect).
+ const basegfx::B2DHomMatrix aViewTransform(
+ rDestinationCanvas->getTransformation() );
+ const basegfx::B2DPoint aPageOrigin(
+ aViewTransform * basegfx::B2DPoint() );
+
+ // move sprite
+ rSprite->movePixel(
+ aPageOrigin + (t *
+ ::basegfx::B2DSize( getEnteringSlideSizePixel(rViewEntry.mpView) ) *
+ maLeavingDirection) );
+}
+
+
+NumberAnimationSharedPtr createPushWipeTransition(
+ std::optional<SlideSharedPtr> const & leavingSlide_,
+ const SlideSharedPtr& pEnteringSlide,
+ const UnoViewContainer& rViewContainer,
+ ScreenUpdater& rScreenUpdater,
+ EventMultiplexer& rEventMultiplexer,
+ sal_Int16 /*nTransitionType*/,
+ sal_Int16 nTransitionSubType,
+ bool /*bTransitionDirection*/,
+ const SoundPlayerSharedPtr& pSoundPlayer )
+{
+ std::optional<SlideSharedPtr> leavingSlide; // no bitmap
+ if (leavingSlide_ && *leavingSlide_ != nullptr)
+ {
+ // opt: only page, if we've an
+ // actual slide to move out here. We
+ // _don't_ need a fake black background
+ // bitmap, neither for push nor for comb
+ // wipes.
+ leavingSlide = leavingSlide_;
+ }
+
+ // setup direction vector
+ bool bComb( false );
+ ::basegfx::B2DVector aDirection;
+ switch( nTransitionSubType )
+ {
+ default:
+ OSL_FAIL(
+ "createPushWipeTransition(): Unexpected transition "
+ "subtype for animations::TransitionType::PUSHWIPE "
+ "transitions" );
+ return NumberAnimationSharedPtr();
+
+ case animations::TransitionSubType::FROMTOP:
+ aDirection = ::basegfx::B2DVector( 0.0, 1.0 );
+ break;
+
+ case animations::TransitionSubType::FROMBOTTOM:
+ aDirection = ::basegfx::B2DVector( 0.0, -1.0 );
+ break;
+
+ case animations::TransitionSubType::FROMLEFT:
+ aDirection = ::basegfx::B2DVector( 1.0, 0.0 );
+ break;
+
+ case animations::TransitionSubType::FROMRIGHT:
+ aDirection = ::basegfx::B2DVector( -1.0, 0.0 );
+ break;
+
+ case animations::TransitionSubType::FROMBOTTOMRIGHT:
+ aDirection = ::basegfx::B2DVector( -1.0, -1.0 );
+ break;
+
+ case animations::TransitionSubType::FROMBOTTOMLEFT:
+ aDirection = ::basegfx::B2DVector( 1.0, -1.0 );
+ break;
+
+ case animations::TransitionSubType::FROMTOPRIGHT:
+ aDirection = ::basegfx::B2DVector( -1.0, 1.0 );
+ break;
+
+ case animations::TransitionSubType::FROMTOPLEFT:
+ aDirection = ::basegfx::B2DVector( 1.0, 1.0 );
+ break;
+
+ case animations::TransitionSubType::COMBHORIZONTAL:
+ aDirection = ::basegfx::B2DVector( 1.0, 0.0 );
+ bComb = true;
+ break;
+
+ case animations::TransitionSubType::COMBVERTICAL:
+ aDirection = ::basegfx::B2DVector( 0.0, 1.0 );
+ bComb = true;
+ break;
+ }
+
+ if( bComb )
+ {
+ return std::make_shared<CombTransition>( leavingSlide,
+ pEnteringSlide,
+ pSoundPlayer,
+ rViewContainer,
+ rScreenUpdater,
+ rEventMultiplexer,
+ aDirection,
+ 24 /* comb with 12 stripes */ );
+ }
+ else
+ {
+ return std::make_shared<MovingSlideChange>( leavingSlide,
+ pEnteringSlide,
+ pSoundPlayer,
+ rViewContainer,
+ rScreenUpdater,
+ rEventMultiplexer,
+ aDirection,
+ aDirection );
+ }
+}
+
+NumberAnimationSharedPtr createSlideWipeTransition(
+ std::optional<SlideSharedPtr> const & leavingSlide,
+ const SlideSharedPtr& pEnteringSlide,
+ const UnoViewContainer& rViewContainer,
+ ScreenUpdater& rScreenUpdater,
+ EventMultiplexer& rEventMultiplexer,
+ sal_Int16 /*nTransitionType*/,
+ sal_Int16 nTransitionSubType,
+ bool bTransitionDirection,
+ const SoundPlayerSharedPtr& pSoundPlayer )
+{
+ // setup 'in' direction vector
+ ::basegfx::B2DVector aInDirection;
+ switch( nTransitionSubType )
+ {
+ default:
+ OSL_FAIL(
+ "createSlideWipeTransition(): Unexpected transition "
+ "subtype for animations::TransitionType::SLIDEWIPE "
+ "transitions" );
+ return NumberAnimationSharedPtr();
+
+ case animations::TransitionSubType::FROMTOP:
+ aInDirection = ::basegfx::B2DVector( 0.0, 1.0 );
+ break;
+
+ case animations::TransitionSubType::FROMRIGHT:
+ aInDirection = ::basegfx::B2DVector( -1.0, 0.0 );
+ break;
+
+ case animations::TransitionSubType::FROMLEFT:
+ aInDirection = ::basegfx::B2DVector( 1.0, 0.0 );
+ break;
+
+ case animations::TransitionSubType::FROMBOTTOM:
+ aInDirection = ::basegfx::B2DVector( 0.0, -1.0 );
+ break;
+
+ case animations::TransitionSubType::FROMBOTTOMRIGHT:
+ aInDirection = ::basegfx::B2DVector( -1.0, -1.0 );
+ break;
+
+ case animations::TransitionSubType::FROMBOTTOMLEFT:
+ aInDirection = ::basegfx::B2DVector( 1.0, -1.0 );
+ break;
+
+ case animations::TransitionSubType::FROMTOPRIGHT:
+ aInDirection = ::basegfx::B2DVector( -1.0, 1.0 );
+ break;
+
+ case animations::TransitionSubType::FROMTOPLEFT:
+ aInDirection = ::basegfx::B2DVector( 1.0, 1.0 );
+ break;
+ }
+
+ if( bTransitionDirection )
+ {
+ // normal, 'forward' slide wipe effect. Since the old
+ // content is still on screen (and does not move), we omit
+ // the 'leaving' slide.
+
+
+ return std::make_shared<MovingSlideChange>(
+ std::optional<SlideSharedPtr>() /* no slide */,
+ pEnteringSlide,
+ pSoundPlayer,
+ rViewContainer,
+ rScreenUpdater,
+ rEventMultiplexer,
+ basegfx::B2DVector(),
+ aInDirection );
+ }
+ else
+ {
+ // 'reversed' slide wipe effect. Reverse for slide wipes
+ // means, that the new slide is in the back, statically,
+ // and the old one is moving off in the foreground.
+
+
+ return std::make_shared<MovingSlideChange>( leavingSlide,
+ pEnteringSlide,
+ pSoundPlayer,
+ rViewContainer,
+ rScreenUpdater,
+ rEventMultiplexer,
+ aInDirection,
+ basegfx::B2DVector() );
+ }
+}
+
+NumberAnimationSharedPtr createPluginTransition(
+ sal_Int16 nTransitionType,
+ sal_Int16 nTransitionSubType,
+ const RGBColor& rTransitionFadeColor,
+ std::optional<SlideSharedPtr> const& pLeavingSlide,
+ const SlideSharedPtr& pEnteringSlide,
+ const UnoViewContainer& rViewContainer,
+ ScreenUpdater& rScreenUpdater,
+ const uno::Reference<
+ presentation::XTransitionFactory>& xFactory,
+ const SoundPlayerSharedPtr& pSoundPlayer,
+ EventMultiplexer& rEventMultiplexer)
+{
+ auto pTransition =
+ std::make_shared<PluginSlideChange>(
+ nTransitionType,
+ nTransitionSubType,
+ rTransitionFadeColor,
+ pLeavingSlide,
+ pEnteringSlide,
+ rViewContainer,
+ rScreenUpdater,
+ xFactory,
+ pSoundPlayer,
+ rEventMultiplexer );
+
+ if( !pTransition->Success() )
+ return nullptr;
+ return pTransition;
+}
+
+} // anon namespace
+
+
+NumberAnimationSharedPtr TransitionFactory::createSlideTransition(
+ const SlideSharedPtr& pLeavingSlide,
+ const SlideSharedPtr& pEnteringSlide,
+ const UnoViewContainer& rViewContainer,
+ ScreenUpdater& rScreenUpdater,
+ EventMultiplexer& rEventMultiplexer,
+ const uno::Reference<presentation::XTransitionFactory>& xOptionalFactory,
+ sal_Int16 nTransitionType,
+ sal_Int16 nTransitionSubType,
+ bool bTransitionDirection,
+ const RGBColor& rTransitionFadeColor,
+ const SoundPlayerSharedPtr& pSoundPlayer )
+{
+ // xxx todo: change to TransitionType::NONE, TransitionSubType::NONE:
+ if (nTransitionType == 0 && nTransitionSubType == 0) {
+ // just play sound, no slide transition:
+ if (pSoundPlayer) {
+ pSoundPlayer->startPlayback();
+ // xxx todo: for now, presentation.cxx takes care about the slide
+ // #i50492# transition sound object, so just release it here
+ }
+ return NumberAnimationSharedPtr();
+ }
+
+ ENSURE_OR_THROW(
+ pEnteringSlide,
+ "TransitionFactory::createSlideTransition(): Invalid entering slide" );
+
+ if( xOptionalFactory.is() &&
+ xOptionalFactory->hasTransition(nTransitionType, nTransitionSubType) )
+ {
+ // #i82460# - optional plugin factory claims this transition. delegate.
+ NumberAnimationSharedPtr pTransition(
+ createPluginTransition(
+ nTransitionType,
+ nTransitionSubType,
+ rTransitionFadeColor,
+ std::make_optional(pLeavingSlide),
+ pEnteringSlide,
+ rViewContainer,
+ rScreenUpdater,
+ xOptionalFactory,
+ pSoundPlayer,
+ rEventMultiplexer ));
+
+ if( pTransition )
+ return pTransition;
+ }
+
+ const TransitionInfo* pTransitionInfo(
+ getTransitionInfo( nTransitionType, nTransitionSubType ) );
+
+ if( pTransitionInfo != nullptr )
+ {
+ switch( pTransitionInfo->meTransitionClass )
+ {
+ default:
+ case TransitionInfo::TRANSITION_INVALID:
+ SAL_WARN("slideshow",
+ "TransitionFactory::createSlideTransition(): "
+ "Invalid type/subtype combination encountered."
+ << nTransitionType << " " << nTransitionSubType );
+ return NumberAnimationSharedPtr();
+
+
+ case TransitionInfo::TRANSITION_CLIP_POLYPOLYGON:
+ {
+ // generate parametric poly-polygon
+ ParametricPolyPolygonSharedPtr pPoly(
+ ParametricPolyPolygonFactory::createClipPolyPolygon(
+ nTransitionType, nTransitionSubType ) );
+
+ // create a clip transition from that
+ return std::make_shared<ClippedSlideChange>( pEnteringSlide,
+ pPoly,
+ *pTransitionInfo,
+ rViewContainer,
+ rScreenUpdater,
+ rEventMultiplexer,
+ bTransitionDirection,
+ pSoundPlayer );
+ }
+
+ case TransitionInfo::TRANSITION_SPECIAL:
+ {
+ switch( nTransitionType )
+ {
+ default:
+ OSL_FAIL(
+ "TransitionFactory::createSlideTransition(): "
+ "Unexpected transition type for "
+ "TRANSITION_SPECIAL transitions" );
+ return NumberAnimationSharedPtr();
+
+ case animations::TransitionType::RANDOM:
+ {
+ // select randomly one of the effects from the
+ // TransitionFactoryTable
+
+ const TransitionInfo* pRandomTransitionInfo(
+ getRandomTransitionInfo() );
+
+ ENSURE_OR_THROW(
+ pRandomTransitionInfo != nullptr,
+ "TransitionFactory::createSlideTransition(): "
+ "Got invalid random transition info" );
+
+ ENSURE_OR_THROW(
+ pRandomTransitionInfo->mnTransitionType !=
+ animations::TransitionType::RANDOM,
+ "TransitionFactory::createSlideTransition(): "
+ "Got random again for random input!" );
+
+ // and recurse
+ return createSlideTransition(
+ pLeavingSlide,
+ pEnteringSlide,
+ rViewContainer,
+ rScreenUpdater,
+ rEventMultiplexer,
+ xOptionalFactory,
+ pRandomTransitionInfo->mnTransitionType,
+ pRandomTransitionInfo->mnTransitionSubType,
+ bTransitionDirection,
+ rTransitionFadeColor,
+ pSoundPlayer );
+ }
+
+ case animations::TransitionType::PUSHWIPE:
+ {
+ return createPushWipeTransition(
+ std::make_optional(pLeavingSlide),
+ pEnteringSlide,
+ rViewContainer,
+ rScreenUpdater,
+ rEventMultiplexer,
+ nTransitionType,
+ nTransitionSubType,
+ bTransitionDirection,
+ pSoundPlayer );
+ }
+
+ case animations::TransitionType::SLIDEWIPE:
+ {
+ return createSlideWipeTransition(
+ std::make_optional(pLeavingSlide),
+ pEnteringSlide,
+ rViewContainer,
+ rScreenUpdater,
+ rEventMultiplexer,
+ nTransitionType,
+ nTransitionSubType,
+ bTransitionDirection,
+ pSoundPlayer );
+ }
+
+ case animations::TransitionType::BARWIPE:
+ case animations::TransitionType::FADE:
+ {
+ // black page:
+ std::optional<SlideSharedPtr> leavingSlide;
+ std::optional<RGBColor> aFadeColor;
+
+ switch( nTransitionSubType )
+ {
+ case animations::TransitionSubType::CROSSFADE:
+ // crossfade needs no further setup,
+ // just blend new slide over current
+ // slide.
+ break;
+
+ // TODO(F1): Implement toColor/fromColor fades
+ case animations::TransitionSubType::FADETOCOLOR:
+ case animations::TransitionSubType::FADEFROMCOLOR:
+ case animations::TransitionSubType::FADEOVERCOLOR:
+ if (pLeavingSlide) {
+ // only generate, if fade
+ // effect really needs it.
+ leavingSlide = pLeavingSlide;
+ }
+ aFadeColor = rTransitionFadeColor;
+ break;
+
+ default:
+ ENSURE_OR_THROW( false,
+ "SlideTransitionFactory::createSlideTransition(): Unknown FADE subtype" );
+ }
+
+ if( nTransitionType == animations::TransitionType::FADE )
+ return std::make_shared<FadingSlideChange>(
+ leavingSlide,
+ pEnteringSlide,
+ aFadeColor,
+ pSoundPlayer,
+ rViewContainer,
+ rScreenUpdater,
+ rEventMultiplexer );
+ else
+ return std::make_shared<CutSlideChange>(
+ leavingSlide,
+ pEnteringSlide,
+ rTransitionFadeColor,
+ pSoundPlayer,
+ rViewContainer,
+ rScreenUpdater,
+ rEventMultiplexer );
+ }
+ }
+ }
+ break;
+ }
+ }
+
+ // No animation generated, maybe no table entry for given
+ // transition?
+ SAL_WARN("slideshow",
+ "TransitionFactory::createSlideTransition(): "
+ "Unknown type/subtype combination encountered "
+ << nTransitionType << " " << nTransitionSubType );
+ OSL_FAIL(
+ "TransitionFactory::createSlideTransition(): "
+ "Unknown type/subtype combination encountered" );
+
+ return NumberAnimationSharedPtr();
+}
+
+} // namespace presentation
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-11 19:05:48 +0000