| /************************************************************** |
| * |
| * 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 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| *************************************************************/ |
| |
| |
| |
| // MARKER(update_precomp.py): autogen include statement, do not remove |
| #include "precompiled_canvas.hxx" |
| |
| #include <canvas/debug.hxx> |
| #include <canvas/verbosetrace.hxx> |
| #include <canvas/canvastools.hxx> |
| #include <tools/diagnose_ex.h> |
| |
| #include <vcl/canvastools.hxx> |
| |
| #include <comphelper/scopeguard.hxx> |
| |
| #include <basegfx/range/b2drectangle.hxx> |
| #include <basegfx/tools/canvastools.hxx> |
| |
| #include <boost/cast.hpp> |
| |
| #include "cairo_spritecanvashelper.hxx" |
| #include "cairo_canvascustomsprite.hxx" |
| |
| using namespace ::cairo; |
| using namespace ::com::sun::star; |
| |
| namespace cairocanvas |
| { |
| namespace |
| { |
| /** Sprite redraw at original position |
| |
| Used to repaint the whole canvas (background and all |
| sprites) |
| */ |
| void spriteRedraw( const CairoSharedPtr& pCairo, |
| const ::canvas::Sprite::Reference& rSprite ) |
| { |
| // downcast to derived cairocanvas::Sprite interface, which |
| // provides the actual redraw methods. |
| ::boost::polymorphic_downcast< Sprite* >(rSprite.get())->redraw( pCairo, true); |
| } |
| |
| void repaintBackground( const CairoSharedPtr& pCairo, |
| const SurfaceSharedPtr& pBackgroundSurface, |
| const ::basegfx::B2DRange& rArea ) |
| { |
| cairo_save( pCairo.get() ); |
| cairo_rectangle( pCairo.get(), ceil( rArea.getMinX() ), ceil( rArea.getMinY() ), |
| floor( rArea.getWidth() ), floor( rArea.getHeight() ) ); |
| cairo_clip( pCairo.get() ); |
| cairo_set_source_surface( pCairo.get(), pBackgroundSurface->getCairoSurface().get(), 0, 0 ); |
| cairo_set_operator( pCairo.get(), CAIRO_OPERATOR_SOURCE ); |
| cairo_paint( pCairo.get() ); |
| cairo_restore( pCairo.get() ); |
| } |
| |
| void opaqueUpdateSpriteArea( const ::canvas::Sprite::Reference& rSprite, |
| const CairoSharedPtr& pCairo, |
| const ::basegfx::B2IRange& rArea ) |
| { |
| // clip output to actual update region (otherwise a) |
| // wouldn't save much render time, and b) will clutter |
| // scrolled sprite content outside this area) |
| cairo_save( pCairo.get() ); |
| cairo_rectangle( pCairo.get(), rArea.getMinX(), rArea.getMinY(), |
| sal::static_int_cast<sal_Int32>(rArea.getWidth()), |
| sal::static_int_cast<sal_Int32>(rArea.getHeight()) ); |
| cairo_clip( pCairo.get() ); |
| |
| // repaint affected sprite directly to output device (at |
| // the actual screen output position) |
| // rendering directly to device buffer |
| ::boost::polymorphic_downcast< Sprite* >( rSprite.get() )->redraw( pCairo, false ); |
| |
| cairo_restore( pCairo.get() ); |
| } |
| |
| /** Repaint sprite at original position |
| |
| Used for opaque updates, which render directly to the |
| device buffer. |
| */ |
| void spriteRedrawStub( const CairoSharedPtr& pCairo, |
| const ::canvas::Sprite::Reference& rSprite ) |
| { |
| if( rSprite.is() ) |
| { |
| ::boost::polymorphic_downcast< Sprite* >( rSprite.get() )->redraw( pCairo, false ); |
| } |
| } |
| |
| /** Repaint sprite at given position |
| |
| Used for generic update, which renders into device buffer. |
| */ |
| void spriteRedrawStub2( const CairoSharedPtr& pCairo, |
| const ::canvas::Sprite::Reference& rSprite ) |
| { |
| if( rSprite.is() ) |
| { |
| ::boost::polymorphic_downcast< Sprite* >( rSprite.get() )->redraw( pCairo, true );; |
| } |
| } |
| |
| /** Repaint sprite at original position |
| |
| Used for opaque updates from scrollUpdate(), which render |
| directly to the front buffer. |
| */ |
| void spriteRedrawStub3( const CairoSharedPtr& pCairo, |
| const ::canvas::SpriteRedrawManager::AreaComponent& rComponent ) |
| { |
| const ::canvas::Sprite::Reference& rSprite( rComponent.second.getSprite() ); |
| |
| if( rSprite.is() ) |
| ::boost::polymorphic_downcast< Sprite* >( rSprite.get() )->redraw( pCairo, false ); |
| } |
| } |
| |
| SpriteCanvasHelper::SpriteCanvasHelper() : |
| mpRedrawManager( NULL ), |
| mpOwningSpriteCanvas( NULL ), |
| mpCompositingSurface(), |
| maCompositingSurfaceSize() |
| { |
| } |
| |
| void SpriteCanvasHelper::init( ::canvas::SpriteRedrawManager& rManager, |
| SpriteCanvas& rDevice, |
| const ::basegfx::B2ISize& rSize ) |
| { |
| mpRedrawManager = &rManager; |
| mpOwningSpriteCanvas = &rDevice; |
| |
| CanvasHelper::init( rSize, rDevice, &rDevice ); |
| } |
| |
| void SpriteCanvasHelper::disposing() |
| { |
| mpCompositingSurface.reset(); |
| mpOwningSpriteCanvas = NULL; |
| mpRedrawManager = NULL; |
| |
| // forward to base |
| CanvasHelper::disposing(); |
| } |
| |
| uno::Reference< rendering::XAnimatedSprite > SpriteCanvasHelper::createSpriteFromAnimation( |
| const uno::Reference< rendering::XAnimation >& ) |
| { |
| return uno::Reference< rendering::XAnimatedSprite >(); |
| } |
| |
| uno::Reference< rendering::XAnimatedSprite > SpriteCanvasHelper::createSpriteFromBitmaps( |
| const uno::Sequence< uno::Reference< rendering::XBitmap > >& /*animationBitmaps*/, |
| sal_Int8 /*interpolationMode*/ ) |
| { |
| return uno::Reference< rendering::XAnimatedSprite >(); |
| } |
| |
| uno::Reference< rendering::XCustomSprite > SpriteCanvasHelper::createCustomSprite( const geometry::RealSize2D& spriteSize ) |
| { |
| if( !mpRedrawManager ) |
| return uno::Reference< rendering::XCustomSprite >(); // we're disposed |
| |
| return uno::Reference< rendering::XCustomSprite >( |
| new CanvasCustomSprite( spriteSize, |
| mpOwningSpriteCanvas ) ); |
| } |
| |
| uno::Reference< rendering::XSprite > SpriteCanvasHelper::createClonedSprite( |
| const uno::Reference< rendering::XSprite >& ) |
| { |
| return uno::Reference< rendering::XSprite >(); |
| } |
| |
| sal_Bool SpriteCanvasHelper::updateScreen( const ::basegfx::B2IRange& /*rCurrArea*/, |
| sal_Bool bUpdateAll, |
| bool& io_bSurfaceDirty ) |
| { |
| if( !mpRedrawManager || |
| !mpOwningSpriteCanvas || |
| !mpOwningSpriteCanvas->getWindowSurface() || |
| !mpOwningSpriteCanvas->getBufferSurface() ) |
| { |
| return sal_False; // disposed, or otherwise dysfunctional |
| } |
| |
| OSL_TRACE("SpriteCanvasHelper::updateScreen called"); |
| |
| const ::basegfx::B2ISize& rSize = mpOwningSpriteCanvas->getSizePixel(); |
| |
| // force compositing surface to be available before using it |
| // inside forEachSpriteArea |
| SurfaceSharedPtr pCompositingSurface = getCompositingSurface(rSize); |
| SurfaceSharedPtr pWindowSurface = mpOwningSpriteCanvas->getWindowSurface(); |
| CairoSharedPtr pCompositingCairo = pCompositingSurface->getCairo(); |
| CairoSharedPtr pWindowCairo = pWindowSurface->getCairo(); |
| |
| // TODO(P1): Might be worthwile to track areas of background |
| // changes, too. |
| if( !bUpdateAll && !io_bSurfaceDirty ) |
| { |
| // background has not changed, so we're free to optimize |
| // repaint to areas where a sprite has changed |
| |
| // process each independent area of overlapping sprites |
| // separately. |
| mpRedrawManager->forEachSpriteArea( *this ); |
| } |
| else |
| { |
| OSL_TRACE("SpriteCanvasHelper::updateScreen update ALL"); |
| |
| // background has changed, so we currently have no choice |
| // but repaint everything (or caller requested that) |
| |
| cairo_rectangle( pCompositingCairo.get(), 0, 0, rSize.getX(), rSize.getY() ); |
| cairo_clip( pCompositingCairo.get() ); |
| cairo_save( pCompositingCairo.get() ); |
| cairo_set_source_surface( pCompositingCairo.get(), |
| mpOwningSpriteCanvas->getBufferSurface()->getCairoSurface().get(), |
| 0, 0 ); |
| cairo_set_operator( pCompositingCairo.get(), CAIRO_OPERATOR_SOURCE ); |
| cairo_paint( pCompositingCairo.get() ); |
| cairo_restore( pCompositingCairo.get() ); |
| |
| // repaint all active sprites on top of background into |
| // VDev. |
| mpRedrawManager->forEachSprite( |
| ::boost::bind( |
| &spriteRedraw, |
| boost::cref(pCompositingCairo), |
| _1 ) ); |
| |
| // flush to screen |
| cairo_rectangle( pWindowCairo.get(), 0, 0, rSize.getX(), rSize.getY() ); |
| cairo_clip( pWindowCairo.get() ); |
| cairo_set_source_surface( pWindowCairo.get(), |
| pCompositingSurface->getCairoSurface().get(), |
| 0, 0 ); |
| cairo_set_operator( pWindowCairo.get(), CAIRO_OPERATOR_SOURCE ); |
| cairo_paint( pWindowCairo.get() ); |
| } |
| |
| // change record vector must be cleared, for the next turn of |
| // rendering and sprite changing |
| mpRedrawManager->clearChangeRecords(); |
| |
| io_bSurfaceDirty = false; |
| |
| // commit to screen |
| mpOwningSpriteCanvas->flush(); |
| |
| return sal_True; |
| } |
| |
| void SpriteCanvasHelper::backgroundPaint( const ::basegfx::B2DRange& rUpdateRect ) |
| { |
| if( mpOwningSpriteCanvas && mpCompositingSurface ) |
| repaintBackground( mpCompositingSurface->getCairo(), |
| mpOwningSpriteCanvas->getBufferSurface(), |
| rUpdateRect ); |
| } |
| |
| void SpriteCanvasHelper::scrollUpdate( const ::basegfx::B2DRange& rMoveStart, |
| const ::basegfx::B2DRange& rMoveEnd, |
| const ::canvas::SpriteRedrawManager::UpdateArea& rUpdateArea ) |
| { |
| ENSURE_OR_THROW( mpOwningSpriteCanvas && |
| mpOwningSpriteCanvas->getBufferSurface(), |
| "SpriteCanvasHelper::scrollUpdate(): NULL device pointer " ); |
| |
| OSL_TRACE("SpriteCanvasHelper::scrollUpdate called"); |
| |
| const ::basegfx::B2ISize& rSize = mpOwningSpriteCanvas->getSizePixel(); |
| const ::basegfx::B2IRange aOutputBounds( 0,0, |
| rSize.getX(), |
| rSize.getY() ); |
| |
| SurfaceSharedPtr pCompositingSurface = getCompositingSurface(rSize); |
| SurfaceSharedPtr pWindowSurface = mpOwningSpriteCanvas->getWindowSurface(); |
| CairoSharedPtr pCompositingCairo = pCompositingSurface->getCairo(); |
| CairoSharedPtr pWindowCairo = pWindowSurface->getCairo(); |
| |
| // round rectangles to integer pixel. Note: have to be |
| // extremely careful here, to avoid off-by-one errors for |
| // the destination area: otherwise, the next scroll update |
| // would copy pixel that are not supposed to be part of |
| // the sprite. |
| ::basegfx::B2IRange aSourceRect( |
| ::canvas::tools::spritePixelAreaFromB2DRange( rMoveStart ) ); |
| const ::basegfx::B2IRange& rDestRect( |
| ::canvas::tools::spritePixelAreaFromB2DRange( rMoveEnd ) ); |
| ::basegfx::B2IPoint aDestPos( rDestRect.getMinimum() ); |
| |
| ::std::vector< ::basegfx::B2IRange > aUnscrollableAreas; |
| |
| // TODO(E3): This is plain buggy (but copies the behaviour of |
| // the old Impress slideshow) - the scrolled area might |
| // actually lie _below_ another window! |
| |
| // clip to output bounds (cannot properly scroll stuff |
| // _outside_ our screen area) |
| if( !::canvas::tools::clipScrollArea( aSourceRect, |
| aDestPos, |
| aUnscrollableAreas, |
| aOutputBounds ) ) |
| { |
| // fully clipped scroll area: cannot simply scroll |
| // then. Perform normal opaque update (can use that, since |
| // one of the preconditions for scrollable update is |
| // opaque sprite content) |
| |
| // repaint all affected sprites directly to output device |
| ::std::for_each( rUpdateArea.maComponentList.begin(), |
| rUpdateArea.maComponentList.end(), |
| ::boost::bind( |
| &spriteRedrawStub3, |
| boost::cref(pCompositingCairo), |
| _1 ) ); |
| } |
| else |
| { |
| const ::basegfx::B2IVector aSourceUpperLeftPos( aSourceRect.getMinimum() ); |
| |
| // clip dest area (which must be inside rDestBounds) |
| ::basegfx::B2IRange aDestRect( rDestRect ); |
| aDestRect.intersect( aOutputBounds ); |
| |
| cairo_save( pCompositingCairo.get() ); |
| // scroll content in device back buffer |
| cairo_set_source_surface( pCompositingCairo.get(), |
| mpOwningSpriteCanvas->getBufferSurface()->getCairoSurface().get(), |
| aDestPos.getX() - aSourceUpperLeftPos.getX(), |
| aDestPos.getY() - aSourceUpperLeftPos.getY() ); |
| cairo_rectangle( pCompositingCairo.get(), |
| aDestPos.getX(), aDestPos.getY(), |
| sal::static_int_cast<sal_Int32>(aDestRect.getWidth()), |
| sal::static_int_cast<sal_Int32>(aDestRect.getHeight()) ); |
| cairo_clip( pCompositingCairo.get() ); |
| cairo_set_operator( pCompositingCairo.get(), CAIRO_OPERATOR_SOURCE ); |
| cairo_paint( pCompositingCairo.get() ); |
| cairo_restore( pCompositingCairo.get() ); |
| |
| const ::canvas::SpriteRedrawManager::SpriteConnectedRanges::ComponentListType::const_iterator |
| aFirst( rUpdateArea.maComponentList.begin() ); |
| ::canvas::SpriteRedrawManager::SpriteConnectedRanges::ComponentListType::const_iterator |
| aSecond( aFirst ); ++aSecond; |
| |
| ENSURE_OR_THROW( aFirst->second.getSprite().is(), |
| "VCLCanvas::scrollUpdate(): no sprite" ); |
| |
| // repaint uncovered areas from sprite. Need to actually |
| // clip here, since we're only repainting _parts_ of the |
| // sprite |
| ::std::for_each( aUnscrollableAreas.begin(), |
| aUnscrollableAreas.end(), |
| ::boost::bind( &opaqueUpdateSpriteArea, |
| ::boost::cref(aFirst->second.getSprite()), |
| boost::cref(pCompositingCairo), |
| _1 ) ); |
| } |
| |
| // repaint uncovered areas from backbuffer - take the |
| // _rounded_ rectangles from above, to have the update |
| // consistent with the scroll above. |
| ::std::vector< ::basegfx::B2DRange > aUncoveredAreas; |
| ::basegfx::computeSetDifference( aUncoveredAreas, |
| rUpdateArea.maTotalBounds, |
| ::basegfx::B2DRange( rDestRect ) ); |
| ::std::for_each( aUncoveredAreas.begin(), |
| aUncoveredAreas.end(), |
| ::boost::bind( &repaintBackground, |
| boost::cref(pCompositingCairo), |
| boost::cref(mpOwningSpriteCanvas->getBufferSurface()), |
| _1 ) ); |
| |
| cairo_rectangle( pWindowCairo.get(), 0, 0, rSize.getX(), rSize.getY() ); |
| cairo_clip( pWindowCairo.get() ); |
| cairo_set_source_surface( pWindowCairo.get(), |
| pCompositingSurface->getCairoSurface().get(), |
| 0, 0 ); |
| cairo_set_operator( pWindowCairo.get(), CAIRO_OPERATOR_SOURCE ); |
| cairo_paint( pWindowCairo.get() ); |
| } |
| |
| void SpriteCanvasHelper::opaqueUpdate( const ::basegfx::B2DRange& rTotalArea, |
| const ::std::vector< ::canvas::Sprite::Reference >& rSortedUpdateSprites ) |
| { |
| ENSURE_OR_THROW( mpOwningSpriteCanvas && |
| mpOwningSpriteCanvas->getBufferSurface(), |
| "SpriteCanvasHelper::opaqueUpdate(): NULL device pointer " ); |
| |
| OSL_TRACE("SpriteCanvasHelper::opaqueUpdate called"); |
| |
| const ::basegfx::B2ISize& rDeviceSize = mpOwningSpriteCanvas->getSizePixel(); |
| |
| SurfaceSharedPtr pCompositingSurface = getCompositingSurface(rDeviceSize); |
| SurfaceSharedPtr pWindowSurface = mpOwningSpriteCanvas->getWindowSurface(); |
| CairoSharedPtr pCompositingCairo = pCompositingSurface->getCairo(); |
| CairoSharedPtr pWindowCairo = pWindowSurface->getCairo(); |
| |
| cairo_rectangle( pCompositingCairo.get(), 0, 0, rDeviceSize.getX(), rDeviceSize.getY() ); |
| cairo_clip( pCompositingCairo.get() ); |
| |
| ::basegfx::B2DVector aPos( ceil( rTotalArea.getMinX() ), ceil( rTotalArea.getMinY() ) ); |
| ::basegfx::B2DVector aSize( floor( rTotalArea.getMaxX() - aPos.getX() ), floor( rTotalArea.getMaxY() - aPos.getY() ) ); |
| |
| cairo_rectangle( pCompositingCairo.get(), aPos.getX(), aPos.getY(), aSize.getX(), aSize.getY() ); |
| cairo_clip( pCompositingCairo.get() ); |
| |
| // repaint all affected sprites directly to output device |
| ::std::for_each( rSortedUpdateSprites.begin(), |
| rSortedUpdateSprites.end(), |
| ::boost::bind( |
| &spriteRedrawStub, |
| boost::cref(pCompositingCairo), |
| _1 ) ); |
| |
| // flush to screen |
| cairo_rectangle( pWindowCairo.get(), 0, 0, rDeviceSize.getX(), rDeviceSize.getY() ); |
| cairo_clip( pWindowCairo.get() ); |
| cairo_rectangle( pWindowCairo.get(), aPos.getX(), aPos.getY(), aSize.getX(), aSize.getY() ); |
| cairo_clip( pWindowCairo.get() ); |
| cairo_set_source_surface( pWindowCairo.get(), |
| pCompositingSurface->getCairoSurface().get(), |
| 0, 0 ); |
| cairo_set_operator( pWindowCairo.get(), CAIRO_OPERATOR_SOURCE ); |
| cairo_paint( pWindowCairo.get() ); |
| } |
| |
| void SpriteCanvasHelper::genericUpdate( const ::basegfx::B2DRange& rRequestedArea, |
| const ::std::vector< ::canvas::Sprite::Reference >& rSortedUpdateSprites ) |
| { |
| // TODO |
| OSL_TRACE("SpriteCanvasHelper::genericUpdate called"); |
| |
| ENSURE_OR_THROW( mpOwningSpriteCanvas && |
| mpOwningSpriteCanvas->getBufferSurface(), |
| "SpriteCanvasHelper::genericUpdate(): NULL device pointer " ); |
| |
| // limit size of update VDev to target outdev's size |
| const ::basegfx::B2ISize& rSize = mpOwningSpriteCanvas->getSizePixel(); |
| |
| SurfaceSharedPtr pCompositingSurface = getCompositingSurface(rSize); |
| SurfaceSharedPtr pWindowSurface = mpOwningSpriteCanvas->getWindowSurface(); |
| CairoSharedPtr pCompositingCairo = pCompositingSurface->getCairo(); |
| CairoSharedPtr pWindowCairo = pWindowSurface->getCairo(); |
| |
| // round output position towards zero. Don't want to truncate |
| // a fraction of a sprite pixel... Clip position at origin, |
| // otherwise, truncation of size below might leave visible |
| // areas uncovered by VDev. |
| const Point aOutputPosition( |
| ::std::max( sal_Int32( 0 ), |
| static_cast< sal_Int32 >(rRequestedArea.getMinX()) ), |
| ::std::max( sal_Int32( 0 ), |
| static_cast< sal_Int32 >(rRequestedArea.getMinY()) ) ); |
| // round output size towards +infty. Don't want to truncate a |
| // fraction of a sprite pixel... Limit size of VDev to output |
| // device's area. |
| const Size aOutputSize( |
| ::std::min( rSize.getX(), |
| ::canvas::tools::roundUp( rRequestedArea.getMaxX() - aOutputPosition.X()) ), |
| ::std::min( rSize.getY(), |
| ::canvas::tools::roundUp( rRequestedArea.getMaxY() - aOutputPosition.Y()) ) ); |
| |
| cairo_rectangle( pCompositingCairo.get(), aOutputPosition.X(), aOutputPosition.Y(), aOutputSize.Width(), aOutputSize.Height() ); |
| cairo_clip( pCompositingCairo.get() ); |
| |
| // paint background |
| cairo_save( pCompositingCairo.get() ); |
| cairo_set_source_surface( pCompositingCairo.get(), |
| mpOwningSpriteCanvas->getBufferSurface()->getCairoSurface().get(), |
| 0, 0 ); |
| cairo_set_operator( pCompositingCairo.get(), CAIRO_OPERATOR_SOURCE ); |
| cairo_paint( pCompositingCairo.get() ); |
| cairo_restore( pCompositingCairo.get() ); |
| |
| // repaint all affected sprites on top of background into |
| // VDev. |
| ::std::for_each( rSortedUpdateSprites.begin(), |
| rSortedUpdateSprites.end(), |
| ::boost::bind( &spriteRedrawStub2, |
| boost::cref(pCompositingCairo), |
| _1 ) ); |
| |
| // flush to screen |
| cairo_rectangle( pWindowCairo.get(), aOutputPosition.X(), aOutputPosition.Y(), aOutputSize.Width(), aOutputSize.Height() ); |
| cairo_clip( pWindowCairo.get() ); |
| cairo_set_source_surface( pWindowCairo.get(), |
| pCompositingSurface->getCairoSurface().get(), |
| 0, 0 ); |
| cairo_set_operator( pWindowCairo.get(), CAIRO_OPERATOR_SOURCE ); |
| cairo_paint( pWindowCairo.get() ); |
| } |
| |
| ::cairo::SurfaceSharedPtr SpriteCanvasHelper::getCompositingSurface( const ::basegfx::B2ISize& rNeededSize ) |
| { |
| if( rNeededSize.getX() < maCompositingSurfaceSize.getX() || |
| rNeededSize.getY() < maCompositingSurfaceSize.getY() ) |
| { |
| // need to give buffer more size |
| mpCompositingSurface.reset(); |
| } |
| |
| if( !mpCompositingSurface ) |
| { |
| mpCompositingSurface = |
| mpOwningSpriteCanvas->getWindowSurface()->getSimilar( |
| CAIRO_CONTENT_COLOR, |
| rNeededSize.getX(), rNeededSize.getY() ); |
| maCompositingSurfaceSize = rNeededSize; |
| } |
| |
| return mpCompositingSurface; |
| } |
| } |
