125ea7f45SAndrew Rist /************************************************************** 2cdf0e10cSrcweir * 325ea7f45SAndrew Rist * Licensed to the Apache Software Foundation (ASF) under one 425ea7f45SAndrew Rist * or more contributor license agreements. See the NOTICE file 525ea7f45SAndrew Rist * distributed with this work for additional information 625ea7f45SAndrew Rist * regarding copyright ownership. The ASF licenses this file 725ea7f45SAndrew Rist * to you under the Apache License, Version 2.0 (the 825ea7f45SAndrew Rist * "License"); you may not use this file except in compliance 925ea7f45SAndrew Rist * with the License. You may obtain a copy of the License at 1025ea7f45SAndrew Rist * 1125ea7f45SAndrew Rist * http://www.apache.org/licenses/LICENSE-2.0 1225ea7f45SAndrew Rist * 1325ea7f45SAndrew Rist * Unless required by applicable law or agreed to in writing, 1425ea7f45SAndrew Rist * software distributed under the License is distributed on an 1525ea7f45SAndrew Rist * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 1625ea7f45SAndrew Rist * KIND, either express or implied. See the License for the 1725ea7f45SAndrew Rist * specific language governing permissions and limitations 1825ea7f45SAndrew Rist * under the License. 1925ea7f45SAndrew Rist * 2025ea7f45SAndrew Rist *************************************************************/ 2125ea7f45SAndrew Rist 2225ea7f45SAndrew Rist 23cdf0e10cSrcweir 24cdf0e10cSrcweir // MARKER(update_precomp.py): autogen include statement, do not remove 25cdf0e10cSrcweir #include "precompiled_canvas.hxx" 26cdf0e10cSrcweir 27cdf0e10cSrcweir #include <canvas/debug.hxx> 28cdf0e10cSrcweir #include <canvas/verbosetrace.hxx> 29cdf0e10cSrcweir #include <canvas/canvastools.hxx> 30cdf0e10cSrcweir #include <tools/diagnose_ex.h> 31cdf0e10cSrcweir 32cdf0e10cSrcweir #include <vcl/canvastools.hxx> 33cdf0e10cSrcweir 34cdf0e10cSrcweir #include <comphelper/scopeguard.hxx> 35cdf0e10cSrcweir 36cdf0e10cSrcweir #include <basegfx/range/b2drectangle.hxx> 37cdf0e10cSrcweir #include <basegfx/tools/canvastools.hxx> 38cdf0e10cSrcweir 39cdf0e10cSrcweir #include <boost/cast.hpp> 40cdf0e10cSrcweir 41cdf0e10cSrcweir #include "cairo_spritecanvashelper.hxx" 42cdf0e10cSrcweir #include "cairo_canvascustomsprite.hxx" 43cdf0e10cSrcweir 44cdf0e10cSrcweir using namespace ::cairo; 45cdf0e10cSrcweir using namespace ::com::sun::star; 46cdf0e10cSrcweir 47cdf0e10cSrcweir namespace cairocanvas 48cdf0e10cSrcweir { 49cdf0e10cSrcweir namespace 50cdf0e10cSrcweir { 51cdf0e10cSrcweir /** Sprite redraw at original position 52cdf0e10cSrcweir 53cdf0e10cSrcweir Used to repaint the whole canvas (background and all 54cdf0e10cSrcweir sprites) 55cdf0e10cSrcweir */ spriteRedraw(const CairoSharedPtr & pCairo,const::canvas::Sprite::Reference & rSprite)56cdf0e10cSrcweir void spriteRedraw( const CairoSharedPtr& pCairo, 57cdf0e10cSrcweir const ::canvas::Sprite::Reference& rSprite ) 58cdf0e10cSrcweir { 59cdf0e10cSrcweir // downcast to derived cairocanvas::Sprite interface, which 60cdf0e10cSrcweir // provides the actual redraw methods. 61cdf0e10cSrcweir ::boost::polymorphic_downcast< Sprite* >(rSprite.get())->redraw( pCairo, true); 62cdf0e10cSrcweir } 63cdf0e10cSrcweir repaintBackground(const CairoSharedPtr & pCairo,const SurfaceSharedPtr & pBackgroundSurface,const::basegfx::B2DRange & rArea)64cdf0e10cSrcweir void repaintBackground( const CairoSharedPtr& pCairo, 65cdf0e10cSrcweir const SurfaceSharedPtr& pBackgroundSurface, 66cdf0e10cSrcweir const ::basegfx::B2DRange& rArea ) 67cdf0e10cSrcweir { 68cdf0e10cSrcweir cairo_save( pCairo.get() ); 69cdf0e10cSrcweir cairo_rectangle( pCairo.get(), ceil( rArea.getMinX() ), ceil( rArea.getMinY() ), 70cdf0e10cSrcweir floor( rArea.getWidth() ), floor( rArea.getHeight() ) ); 71cdf0e10cSrcweir cairo_clip( pCairo.get() ); 72cdf0e10cSrcweir cairo_set_source_surface( pCairo.get(), pBackgroundSurface->getCairoSurface().get(), 0, 0 ); 73cdf0e10cSrcweir cairo_set_operator( pCairo.get(), CAIRO_OPERATOR_SOURCE ); 74cdf0e10cSrcweir cairo_paint( pCairo.get() ); 75cdf0e10cSrcweir cairo_restore( pCairo.get() ); 76cdf0e10cSrcweir } 77cdf0e10cSrcweir opaqueUpdateSpriteArea(const::canvas::Sprite::Reference & rSprite,const CairoSharedPtr & pCairo,const::basegfx::B2IRange & rArea)78cdf0e10cSrcweir void opaqueUpdateSpriteArea( const ::canvas::Sprite::Reference& rSprite, 79cdf0e10cSrcweir const CairoSharedPtr& pCairo, 80cdf0e10cSrcweir const ::basegfx::B2IRange& rArea ) 81cdf0e10cSrcweir { 82cdf0e10cSrcweir // clip output to actual update region (otherwise a) 83cdf0e10cSrcweir // wouldn't save much render time, and b) will clutter 84cdf0e10cSrcweir // scrolled sprite content outside this area) 85cdf0e10cSrcweir cairo_save( pCairo.get() ); 86cdf0e10cSrcweir cairo_rectangle( pCairo.get(), rArea.getMinX(), rArea.getMinY(), 87cdf0e10cSrcweir sal::static_int_cast<sal_Int32>(rArea.getWidth()), 88cdf0e10cSrcweir sal::static_int_cast<sal_Int32>(rArea.getHeight()) ); 89cdf0e10cSrcweir cairo_clip( pCairo.get() ); 90cdf0e10cSrcweir 91cdf0e10cSrcweir // repaint affected sprite directly to output device (at 92cdf0e10cSrcweir // the actual screen output position) 93cdf0e10cSrcweir // rendering directly to device buffer 94cdf0e10cSrcweir ::boost::polymorphic_downcast< Sprite* >( rSprite.get() )->redraw( pCairo, false ); 95cdf0e10cSrcweir 96cdf0e10cSrcweir cairo_restore( pCairo.get() ); 97cdf0e10cSrcweir } 98cdf0e10cSrcweir 99cdf0e10cSrcweir /** Repaint sprite at original position 100cdf0e10cSrcweir 101cdf0e10cSrcweir Used for opaque updates, which render directly to the 102cdf0e10cSrcweir device buffer. 103cdf0e10cSrcweir */ spriteRedrawStub(const CairoSharedPtr & pCairo,const::canvas::Sprite::Reference & rSprite)104cdf0e10cSrcweir void spriteRedrawStub( const CairoSharedPtr& pCairo, 105cdf0e10cSrcweir const ::canvas::Sprite::Reference& rSprite ) 106cdf0e10cSrcweir { 107cdf0e10cSrcweir if( rSprite.is() ) 108cdf0e10cSrcweir { 109cdf0e10cSrcweir ::boost::polymorphic_downcast< Sprite* >( rSprite.get() )->redraw( pCairo, false ); 110cdf0e10cSrcweir } 111cdf0e10cSrcweir } 112cdf0e10cSrcweir 113cdf0e10cSrcweir /** Repaint sprite at given position 114cdf0e10cSrcweir 115cdf0e10cSrcweir Used for generic update, which renders into device buffer. 116cdf0e10cSrcweir */ spriteRedrawStub2(const CairoSharedPtr & pCairo,const::canvas::Sprite::Reference & rSprite)117cdf0e10cSrcweir void spriteRedrawStub2( const CairoSharedPtr& pCairo, 118cdf0e10cSrcweir const ::canvas::Sprite::Reference& rSprite ) 119cdf0e10cSrcweir { 120cdf0e10cSrcweir if( rSprite.is() ) 121cdf0e10cSrcweir { 122cdf0e10cSrcweir ::boost::polymorphic_downcast< Sprite* >( rSprite.get() )->redraw( pCairo, true );; 123cdf0e10cSrcweir } 124cdf0e10cSrcweir } 125cdf0e10cSrcweir 126cdf0e10cSrcweir /** Repaint sprite at original position 127cdf0e10cSrcweir 128cdf0e10cSrcweir Used for opaque updates from scrollUpdate(), which render 129cdf0e10cSrcweir directly to the front buffer. 130cdf0e10cSrcweir */ spriteRedrawStub3(const CairoSharedPtr & pCairo,const::canvas::SpriteRedrawManager::AreaComponent & rComponent)131cdf0e10cSrcweir void spriteRedrawStub3( const CairoSharedPtr& pCairo, 132cdf0e10cSrcweir const ::canvas::SpriteRedrawManager::AreaComponent& rComponent ) 133cdf0e10cSrcweir { 134cdf0e10cSrcweir const ::canvas::Sprite::Reference& rSprite( rComponent.second.getSprite() ); 135cdf0e10cSrcweir 136cdf0e10cSrcweir if( rSprite.is() ) 137cdf0e10cSrcweir ::boost::polymorphic_downcast< Sprite* >( rSprite.get() )->redraw( pCairo, false ); 138cdf0e10cSrcweir } 139cdf0e10cSrcweir } 140cdf0e10cSrcweir SpriteCanvasHelper()141cdf0e10cSrcweir SpriteCanvasHelper::SpriteCanvasHelper() : 142cdf0e10cSrcweir mpRedrawManager( NULL ), 143cdf0e10cSrcweir mpOwningSpriteCanvas( NULL ), 144cdf0e10cSrcweir mpCompositingSurface(), 145cdf0e10cSrcweir maCompositingSurfaceSize() 146cdf0e10cSrcweir { 147cdf0e10cSrcweir } 148cdf0e10cSrcweir init(::canvas::SpriteRedrawManager & rManager,SpriteCanvas & rDevice,const::basegfx::B2ISize & rSize)149cdf0e10cSrcweir void SpriteCanvasHelper::init( ::canvas::SpriteRedrawManager& rManager, 150cdf0e10cSrcweir SpriteCanvas& rDevice, 151cdf0e10cSrcweir const ::basegfx::B2ISize& rSize ) 152cdf0e10cSrcweir { 153cdf0e10cSrcweir mpRedrawManager = &rManager; 154cdf0e10cSrcweir mpOwningSpriteCanvas = &rDevice; 155cdf0e10cSrcweir 156cdf0e10cSrcweir CanvasHelper::init( rSize, rDevice, &rDevice ); 157cdf0e10cSrcweir } 158cdf0e10cSrcweir disposing()159cdf0e10cSrcweir void SpriteCanvasHelper::disposing() 160cdf0e10cSrcweir { 161cdf0e10cSrcweir mpCompositingSurface.reset(); 162cdf0e10cSrcweir mpOwningSpriteCanvas = NULL; 163cdf0e10cSrcweir mpRedrawManager = NULL; 164cdf0e10cSrcweir 165cdf0e10cSrcweir // forward to base 166cdf0e10cSrcweir CanvasHelper::disposing(); 167cdf0e10cSrcweir } 168cdf0e10cSrcweir createSpriteFromAnimation(const uno::Reference<rendering::XAnimation> &)169cdf0e10cSrcweir uno::Reference< rendering::XAnimatedSprite > SpriteCanvasHelper::createSpriteFromAnimation( 170cdf0e10cSrcweir const uno::Reference< rendering::XAnimation >& ) 171cdf0e10cSrcweir { 172cdf0e10cSrcweir return uno::Reference< rendering::XAnimatedSprite >(); 173cdf0e10cSrcweir } 174cdf0e10cSrcweir createSpriteFromBitmaps(const uno::Sequence<uno::Reference<rendering::XBitmap>> &,sal_Int8)175cdf0e10cSrcweir uno::Reference< rendering::XAnimatedSprite > SpriteCanvasHelper::createSpriteFromBitmaps( 176cdf0e10cSrcweir const uno::Sequence< uno::Reference< rendering::XBitmap > >& /*animationBitmaps*/, 177cdf0e10cSrcweir sal_Int8 /*interpolationMode*/ ) 178cdf0e10cSrcweir { 179cdf0e10cSrcweir return uno::Reference< rendering::XAnimatedSprite >(); 180cdf0e10cSrcweir } 181cdf0e10cSrcweir createCustomSprite(const geometry::RealSize2D & spriteSize)182cdf0e10cSrcweir uno::Reference< rendering::XCustomSprite > SpriteCanvasHelper::createCustomSprite( const geometry::RealSize2D& spriteSize ) 183cdf0e10cSrcweir { 184cdf0e10cSrcweir if( !mpRedrawManager ) 185cdf0e10cSrcweir return uno::Reference< rendering::XCustomSprite >(); // we're disposed 186cdf0e10cSrcweir 187cdf0e10cSrcweir return uno::Reference< rendering::XCustomSprite >( 188cdf0e10cSrcweir new CanvasCustomSprite( spriteSize, 189cdf0e10cSrcweir mpOwningSpriteCanvas ) ); 190cdf0e10cSrcweir } 191cdf0e10cSrcweir createClonedSprite(const uno::Reference<rendering::XSprite> &)192cdf0e10cSrcweir uno::Reference< rendering::XSprite > SpriteCanvasHelper::createClonedSprite( 193cdf0e10cSrcweir const uno::Reference< rendering::XSprite >& ) 194cdf0e10cSrcweir { 195cdf0e10cSrcweir return uno::Reference< rendering::XSprite >(); 196cdf0e10cSrcweir } 197cdf0e10cSrcweir updateScreen(const::basegfx::B2IRange &,sal_Bool bUpdateAll,bool & io_bSurfaceDirty)198cdf0e10cSrcweir sal_Bool SpriteCanvasHelper::updateScreen( const ::basegfx::B2IRange& /*rCurrArea*/, 199cdf0e10cSrcweir sal_Bool bUpdateAll, 200cdf0e10cSrcweir bool& io_bSurfaceDirty ) 201cdf0e10cSrcweir { 202cdf0e10cSrcweir if( !mpRedrawManager || 203cdf0e10cSrcweir !mpOwningSpriteCanvas || 204cdf0e10cSrcweir !mpOwningSpriteCanvas->getWindowSurface() || 205cdf0e10cSrcweir !mpOwningSpriteCanvas->getBufferSurface() ) 206cdf0e10cSrcweir { 207cdf0e10cSrcweir return sal_False; // disposed, or otherwise dysfunctional 208cdf0e10cSrcweir } 209cdf0e10cSrcweir 210cdf0e10cSrcweir OSL_TRACE("SpriteCanvasHelper::updateScreen called"); 211cdf0e10cSrcweir 212cdf0e10cSrcweir const ::basegfx::B2ISize& rSize = mpOwningSpriteCanvas->getSizePixel(); 213cdf0e10cSrcweir 214cdf0e10cSrcweir // force compositing surface to be available before using it 215cdf0e10cSrcweir // inside forEachSpriteArea 216cdf0e10cSrcweir SurfaceSharedPtr pCompositingSurface = getCompositingSurface(rSize); 217cdf0e10cSrcweir SurfaceSharedPtr pWindowSurface = mpOwningSpriteCanvas->getWindowSurface(); 218cdf0e10cSrcweir CairoSharedPtr pCompositingCairo = pCompositingSurface->getCairo(); 219cdf0e10cSrcweir CairoSharedPtr pWindowCairo = pWindowSurface->getCairo(); 220cdf0e10cSrcweir 221*4200b705SJohn Bampton // TODO(P1): Might be worthwhile to track areas of background 222cdf0e10cSrcweir // changes, too. 223cdf0e10cSrcweir if( !bUpdateAll && !io_bSurfaceDirty ) 224cdf0e10cSrcweir { 225cdf0e10cSrcweir // background has not changed, so we're free to optimize 226cdf0e10cSrcweir // repaint to areas where a sprite has changed 227cdf0e10cSrcweir 228cdf0e10cSrcweir // process each independent area of overlapping sprites 229cdf0e10cSrcweir // separately. 230cdf0e10cSrcweir mpRedrawManager->forEachSpriteArea( *this ); 231cdf0e10cSrcweir } 232cdf0e10cSrcweir else 233cdf0e10cSrcweir { 234cdf0e10cSrcweir OSL_TRACE("SpriteCanvasHelper::updateScreen update ALL"); 235cdf0e10cSrcweir 236cdf0e10cSrcweir // background has changed, so we currently have no choice 237cdf0e10cSrcweir // but repaint everything (or caller requested that) 238cdf0e10cSrcweir 239cdf0e10cSrcweir cairo_rectangle( pCompositingCairo.get(), 0, 0, rSize.getX(), rSize.getY() ); 240cdf0e10cSrcweir cairo_clip( pCompositingCairo.get() ); 241cdf0e10cSrcweir cairo_save( pCompositingCairo.get() ); 242cdf0e10cSrcweir cairo_set_source_surface( pCompositingCairo.get(), 243cdf0e10cSrcweir mpOwningSpriteCanvas->getBufferSurface()->getCairoSurface().get(), 244cdf0e10cSrcweir 0, 0 ); 245cdf0e10cSrcweir cairo_set_operator( pCompositingCairo.get(), CAIRO_OPERATOR_SOURCE ); 246cdf0e10cSrcweir cairo_paint( pCompositingCairo.get() ); 247cdf0e10cSrcweir cairo_restore( pCompositingCairo.get() ); 248cdf0e10cSrcweir 249cdf0e10cSrcweir // repaint all active sprites on top of background into 250cdf0e10cSrcweir // VDev. 251cdf0e10cSrcweir mpRedrawManager->forEachSprite( 252cdf0e10cSrcweir ::boost::bind( 253cdf0e10cSrcweir &spriteRedraw, 254cdf0e10cSrcweir boost::cref(pCompositingCairo), 255cdf0e10cSrcweir _1 ) ); 256cdf0e10cSrcweir 257cdf0e10cSrcweir // flush to screen 258cdf0e10cSrcweir cairo_rectangle( pWindowCairo.get(), 0, 0, rSize.getX(), rSize.getY() ); 259cdf0e10cSrcweir cairo_clip( pWindowCairo.get() ); 260cdf0e10cSrcweir cairo_set_source_surface( pWindowCairo.get(), 261cdf0e10cSrcweir pCompositingSurface->getCairoSurface().get(), 262cdf0e10cSrcweir 0, 0 ); 263cdf0e10cSrcweir cairo_set_operator( pWindowCairo.get(), CAIRO_OPERATOR_SOURCE ); 264cdf0e10cSrcweir cairo_paint( pWindowCairo.get() ); 265cdf0e10cSrcweir } 266cdf0e10cSrcweir 267cdf0e10cSrcweir // change record vector must be cleared, for the next turn of 268cdf0e10cSrcweir // rendering and sprite changing 269cdf0e10cSrcweir mpRedrawManager->clearChangeRecords(); 270cdf0e10cSrcweir 271cdf0e10cSrcweir io_bSurfaceDirty = false; 272cdf0e10cSrcweir 273cdf0e10cSrcweir // commit to screen 274cdf0e10cSrcweir mpOwningSpriteCanvas->flush(); 275cdf0e10cSrcweir 276cdf0e10cSrcweir return sal_True; 277cdf0e10cSrcweir } 278cdf0e10cSrcweir backgroundPaint(const::basegfx::B2DRange & rUpdateRect)279cdf0e10cSrcweir void SpriteCanvasHelper::backgroundPaint( const ::basegfx::B2DRange& rUpdateRect ) 280cdf0e10cSrcweir { 281cdf0e10cSrcweir if( mpOwningSpriteCanvas && mpCompositingSurface ) 282cdf0e10cSrcweir repaintBackground( mpCompositingSurface->getCairo(), 283cdf0e10cSrcweir mpOwningSpriteCanvas->getBufferSurface(), 284cdf0e10cSrcweir rUpdateRect ); 285cdf0e10cSrcweir } 286cdf0e10cSrcweir scrollUpdate(const::basegfx::B2DRange & rMoveStart,const::basegfx::B2DRange & rMoveEnd,const::canvas::SpriteRedrawManager::UpdateArea & rUpdateArea)287cdf0e10cSrcweir void SpriteCanvasHelper::scrollUpdate( const ::basegfx::B2DRange& rMoveStart, 288cdf0e10cSrcweir const ::basegfx::B2DRange& rMoveEnd, 289cdf0e10cSrcweir const ::canvas::SpriteRedrawManager::UpdateArea& rUpdateArea ) 290cdf0e10cSrcweir { 291cdf0e10cSrcweir ENSURE_OR_THROW( mpOwningSpriteCanvas && 292cdf0e10cSrcweir mpOwningSpriteCanvas->getBufferSurface(), 293cdf0e10cSrcweir "SpriteCanvasHelper::scrollUpdate(): NULL device pointer " ); 294cdf0e10cSrcweir 295cdf0e10cSrcweir OSL_TRACE("SpriteCanvasHelper::scrollUpdate called"); 296cdf0e10cSrcweir 297cdf0e10cSrcweir const ::basegfx::B2ISize& rSize = mpOwningSpriteCanvas->getSizePixel(); 298cdf0e10cSrcweir const ::basegfx::B2IRange aOutputBounds( 0,0, 299cdf0e10cSrcweir rSize.getX(), 300cdf0e10cSrcweir rSize.getY() ); 301cdf0e10cSrcweir 302cdf0e10cSrcweir SurfaceSharedPtr pCompositingSurface = getCompositingSurface(rSize); 303cdf0e10cSrcweir SurfaceSharedPtr pWindowSurface = mpOwningSpriteCanvas->getWindowSurface(); 304cdf0e10cSrcweir CairoSharedPtr pCompositingCairo = pCompositingSurface->getCairo(); 305cdf0e10cSrcweir CairoSharedPtr pWindowCairo = pWindowSurface->getCairo(); 306cdf0e10cSrcweir 307cdf0e10cSrcweir // round rectangles to integer pixel. Note: have to be 308cdf0e10cSrcweir // extremely careful here, to avoid off-by-one errors for 309cdf0e10cSrcweir // the destination area: otherwise, the next scroll update 310cdf0e10cSrcweir // would copy pixel that are not supposed to be part of 311cdf0e10cSrcweir // the sprite. 312cdf0e10cSrcweir ::basegfx::B2IRange aSourceRect( 313cdf0e10cSrcweir ::canvas::tools::spritePixelAreaFromB2DRange( rMoveStart ) ); 314cdf0e10cSrcweir const ::basegfx::B2IRange& rDestRect( 315cdf0e10cSrcweir ::canvas::tools::spritePixelAreaFromB2DRange( rMoveEnd ) ); 316cdf0e10cSrcweir ::basegfx::B2IPoint aDestPos( rDestRect.getMinimum() ); 317cdf0e10cSrcweir 318cdf0e10cSrcweir ::std::vector< ::basegfx::B2IRange > aUnscrollableAreas; 319cdf0e10cSrcweir 320cdf0e10cSrcweir // TODO(E3): This is plain buggy (but copies the behaviour of 321cdf0e10cSrcweir // the old Impress slideshow) - the scrolled area might 322cdf0e10cSrcweir // actually lie _below_ another window! 323cdf0e10cSrcweir 324cdf0e10cSrcweir // clip to output bounds (cannot properly scroll stuff 325cdf0e10cSrcweir // _outside_ our screen area) 326cdf0e10cSrcweir if( !::canvas::tools::clipScrollArea( aSourceRect, 327cdf0e10cSrcweir aDestPos, 328cdf0e10cSrcweir aUnscrollableAreas, 329cdf0e10cSrcweir aOutputBounds ) ) 330cdf0e10cSrcweir { 331cdf0e10cSrcweir // fully clipped scroll area: cannot simply scroll 332cdf0e10cSrcweir // then. Perform normal opaque update (can use that, since 333cdf0e10cSrcweir // one of the preconditions for scrollable update is 334cdf0e10cSrcweir // opaque sprite content) 335cdf0e10cSrcweir 336cdf0e10cSrcweir // repaint all affected sprites directly to output device 337cdf0e10cSrcweir ::std::for_each( rUpdateArea.maComponentList.begin(), 338cdf0e10cSrcweir rUpdateArea.maComponentList.end(), 339cdf0e10cSrcweir ::boost::bind( 340cdf0e10cSrcweir &spriteRedrawStub3, 341cdf0e10cSrcweir boost::cref(pCompositingCairo), 342cdf0e10cSrcweir _1 ) ); 343cdf0e10cSrcweir } 344cdf0e10cSrcweir else 345cdf0e10cSrcweir { 346cdf0e10cSrcweir const ::basegfx::B2IVector aSourceUpperLeftPos( aSourceRect.getMinimum() ); 347cdf0e10cSrcweir 348cdf0e10cSrcweir // clip dest area (which must be inside rDestBounds) 349cdf0e10cSrcweir ::basegfx::B2IRange aDestRect( rDestRect ); 350cdf0e10cSrcweir aDestRect.intersect( aOutputBounds ); 351cdf0e10cSrcweir 352cdf0e10cSrcweir cairo_save( pCompositingCairo.get() ); 353cdf0e10cSrcweir // scroll content in device back buffer 354cdf0e10cSrcweir cairo_set_source_surface( pCompositingCairo.get(), 355cdf0e10cSrcweir mpOwningSpriteCanvas->getBufferSurface()->getCairoSurface().get(), 356cdf0e10cSrcweir aDestPos.getX() - aSourceUpperLeftPos.getX(), 357cdf0e10cSrcweir aDestPos.getY() - aSourceUpperLeftPos.getY() ); 358cdf0e10cSrcweir cairo_rectangle( pCompositingCairo.get(), 359cdf0e10cSrcweir aDestPos.getX(), aDestPos.getY(), 360cdf0e10cSrcweir sal::static_int_cast<sal_Int32>(aDestRect.getWidth()), 361cdf0e10cSrcweir sal::static_int_cast<sal_Int32>(aDestRect.getHeight()) ); 362cdf0e10cSrcweir cairo_clip( pCompositingCairo.get() ); 363cdf0e10cSrcweir cairo_set_operator( pCompositingCairo.get(), CAIRO_OPERATOR_SOURCE ); 364cdf0e10cSrcweir cairo_paint( pCompositingCairo.get() ); 365cdf0e10cSrcweir cairo_restore( pCompositingCairo.get() ); 366cdf0e10cSrcweir 367cdf0e10cSrcweir const ::canvas::SpriteRedrawManager::SpriteConnectedRanges::ComponentListType::const_iterator 368cdf0e10cSrcweir aFirst( rUpdateArea.maComponentList.begin() ); 369cdf0e10cSrcweir ::canvas::SpriteRedrawManager::SpriteConnectedRanges::ComponentListType::const_iterator 370cdf0e10cSrcweir aSecond( aFirst ); ++aSecond; 371cdf0e10cSrcweir 372cdf0e10cSrcweir ENSURE_OR_THROW( aFirst->second.getSprite().is(), 373cdf0e10cSrcweir "VCLCanvas::scrollUpdate(): no sprite" ); 374cdf0e10cSrcweir 375cdf0e10cSrcweir // repaint uncovered areas from sprite. Need to actually 376cdf0e10cSrcweir // clip here, since we're only repainting _parts_ of the 377cdf0e10cSrcweir // sprite 378cdf0e10cSrcweir ::std::for_each( aUnscrollableAreas.begin(), 379cdf0e10cSrcweir aUnscrollableAreas.end(), 380cdf0e10cSrcweir ::boost::bind( &opaqueUpdateSpriteArea, 381cdf0e10cSrcweir ::boost::cref(aFirst->second.getSprite()), 382cdf0e10cSrcweir boost::cref(pCompositingCairo), 383cdf0e10cSrcweir _1 ) ); 384cdf0e10cSrcweir } 385cdf0e10cSrcweir 386cdf0e10cSrcweir // repaint uncovered areas from backbuffer - take the 387cdf0e10cSrcweir // _rounded_ rectangles from above, to have the update 388cdf0e10cSrcweir // consistent with the scroll above. 389cdf0e10cSrcweir ::std::vector< ::basegfx::B2DRange > aUncoveredAreas; 390cdf0e10cSrcweir ::basegfx::computeSetDifference( aUncoveredAreas, 391cdf0e10cSrcweir rUpdateArea.maTotalBounds, 392cdf0e10cSrcweir ::basegfx::B2DRange( rDestRect ) ); 393cdf0e10cSrcweir ::std::for_each( aUncoveredAreas.begin(), 394cdf0e10cSrcweir aUncoveredAreas.end(), 395cdf0e10cSrcweir ::boost::bind( &repaintBackground, 396cdf0e10cSrcweir boost::cref(pCompositingCairo), 397cdf0e10cSrcweir boost::cref(mpOwningSpriteCanvas->getBufferSurface()), 398cdf0e10cSrcweir _1 ) ); 399cdf0e10cSrcweir 400cdf0e10cSrcweir cairo_rectangle( pWindowCairo.get(), 0, 0, rSize.getX(), rSize.getY() ); 401cdf0e10cSrcweir cairo_clip( pWindowCairo.get() ); 402cdf0e10cSrcweir cairo_set_source_surface( pWindowCairo.get(), 403cdf0e10cSrcweir pCompositingSurface->getCairoSurface().get(), 404cdf0e10cSrcweir 0, 0 ); 405cdf0e10cSrcweir cairo_set_operator( pWindowCairo.get(), CAIRO_OPERATOR_SOURCE ); 406cdf0e10cSrcweir cairo_paint( pWindowCairo.get() ); 407cdf0e10cSrcweir } 408cdf0e10cSrcweir opaqueUpdate(const::basegfx::B2DRange & rTotalArea,const::std::vector<::canvas::Sprite::Reference> & rSortedUpdateSprites)409cdf0e10cSrcweir void SpriteCanvasHelper::opaqueUpdate( const ::basegfx::B2DRange& rTotalArea, 410cdf0e10cSrcweir const ::std::vector< ::canvas::Sprite::Reference >& rSortedUpdateSprites ) 411cdf0e10cSrcweir { 412cdf0e10cSrcweir ENSURE_OR_THROW( mpOwningSpriteCanvas && 413cdf0e10cSrcweir mpOwningSpriteCanvas->getBufferSurface(), 414cdf0e10cSrcweir "SpriteCanvasHelper::opaqueUpdate(): NULL device pointer " ); 415cdf0e10cSrcweir 416cdf0e10cSrcweir OSL_TRACE("SpriteCanvasHelper::opaqueUpdate called"); 417cdf0e10cSrcweir 418cdf0e10cSrcweir const ::basegfx::B2ISize& rDeviceSize = mpOwningSpriteCanvas->getSizePixel(); 419cdf0e10cSrcweir 420cdf0e10cSrcweir SurfaceSharedPtr pCompositingSurface = getCompositingSurface(rDeviceSize); 421cdf0e10cSrcweir SurfaceSharedPtr pWindowSurface = mpOwningSpriteCanvas->getWindowSurface(); 422cdf0e10cSrcweir CairoSharedPtr pCompositingCairo = pCompositingSurface->getCairo(); 423cdf0e10cSrcweir CairoSharedPtr pWindowCairo = pWindowSurface->getCairo(); 424cdf0e10cSrcweir 425cdf0e10cSrcweir cairo_rectangle( pCompositingCairo.get(), 0, 0, rDeviceSize.getX(), rDeviceSize.getY() ); 426cdf0e10cSrcweir cairo_clip( pCompositingCairo.get() ); 427cdf0e10cSrcweir 428cdf0e10cSrcweir ::basegfx::B2DVector aPos( ceil( rTotalArea.getMinX() ), ceil( rTotalArea.getMinY() ) ); 429cdf0e10cSrcweir ::basegfx::B2DVector aSize( floor( rTotalArea.getMaxX() - aPos.getX() ), floor( rTotalArea.getMaxY() - aPos.getY() ) ); 430cdf0e10cSrcweir 431cdf0e10cSrcweir cairo_rectangle( pCompositingCairo.get(), aPos.getX(), aPos.getY(), aSize.getX(), aSize.getY() ); 432cdf0e10cSrcweir cairo_clip( pCompositingCairo.get() ); 433cdf0e10cSrcweir 434cdf0e10cSrcweir // repaint all affected sprites directly to output device 435cdf0e10cSrcweir ::std::for_each( rSortedUpdateSprites.begin(), 436cdf0e10cSrcweir rSortedUpdateSprites.end(), 437cdf0e10cSrcweir ::boost::bind( 438cdf0e10cSrcweir &spriteRedrawStub, 439cdf0e10cSrcweir boost::cref(pCompositingCairo), 440cdf0e10cSrcweir _1 ) ); 441cdf0e10cSrcweir 442cdf0e10cSrcweir // flush to screen 443cdf0e10cSrcweir cairo_rectangle( pWindowCairo.get(), 0, 0, rDeviceSize.getX(), rDeviceSize.getY() ); 444cdf0e10cSrcweir cairo_clip( pWindowCairo.get() ); 445cdf0e10cSrcweir cairo_rectangle( pWindowCairo.get(), aPos.getX(), aPos.getY(), aSize.getX(), aSize.getY() ); 446cdf0e10cSrcweir cairo_clip( pWindowCairo.get() ); 447cdf0e10cSrcweir cairo_set_source_surface( pWindowCairo.get(), 448cdf0e10cSrcweir pCompositingSurface->getCairoSurface().get(), 449cdf0e10cSrcweir 0, 0 ); 450cdf0e10cSrcweir cairo_set_operator( pWindowCairo.get(), CAIRO_OPERATOR_SOURCE ); 451cdf0e10cSrcweir cairo_paint( pWindowCairo.get() ); 452cdf0e10cSrcweir } 453cdf0e10cSrcweir genericUpdate(const::basegfx::B2DRange & rRequestedArea,const::std::vector<::canvas::Sprite::Reference> & rSortedUpdateSprites)454cdf0e10cSrcweir void SpriteCanvasHelper::genericUpdate( const ::basegfx::B2DRange& rRequestedArea, 455cdf0e10cSrcweir const ::std::vector< ::canvas::Sprite::Reference >& rSortedUpdateSprites ) 456cdf0e10cSrcweir { 457cdf0e10cSrcweir // TODO 458cdf0e10cSrcweir OSL_TRACE("SpriteCanvasHelper::genericUpdate called"); 459cdf0e10cSrcweir 460cdf0e10cSrcweir ENSURE_OR_THROW( mpOwningSpriteCanvas && 461cdf0e10cSrcweir mpOwningSpriteCanvas->getBufferSurface(), 462cdf0e10cSrcweir "SpriteCanvasHelper::genericUpdate(): NULL device pointer " ); 463cdf0e10cSrcweir 464cdf0e10cSrcweir // limit size of update VDev to target outdev's size 465cdf0e10cSrcweir const ::basegfx::B2ISize& rSize = mpOwningSpriteCanvas->getSizePixel(); 466cdf0e10cSrcweir 467cdf0e10cSrcweir SurfaceSharedPtr pCompositingSurface = getCompositingSurface(rSize); 468cdf0e10cSrcweir SurfaceSharedPtr pWindowSurface = mpOwningSpriteCanvas->getWindowSurface(); 469cdf0e10cSrcweir CairoSharedPtr pCompositingCairo = pCompositingSurface->getCairo(); 470cdf0e10cSrcweir CairoSharedPtr pWindowCairo = pWindowSurface->getCairo(); 471cdf0e10cSrcweir 472cdf0e10cSrcweir // round output position towards zero. Don't want to truncate 473cdf0e10cSrcweir // a fraction of a sprite pixel... Clip position at origin, 474cdf0e10cSrcweir // otherwise, truncation of size below might leave visible 475cdf0e10cSrcweir // areas uncovered by VDev. 476cdf0e10cSrcweir const Point aOutputPosition( 477cdf0e10cSrcweir ::std::max( sal_Int32( 0 ), 478cdf0e10cSrcweir static_cast< sal_Int32 >(rRequestedArea.getMinX()) ), 479cdf0e10cSrcweir ::std::max( sal_Int32( 0 ), 480cdf0e10cSrcweir static_cast< sal_Int32 >(rRequestedArea.getMinY()) ) ); 481cdf0e10cSrcweir // round output size towards +infty. Don't want to truncate a 482cdf0e10cSrcweir // fraction of a sprite pixel... Limit size of VDev to output 483cdf0e10cSrcweir // device's area. 484cdf0e10cSrcweir const Size aOutputSize( 485cdf0e10cSrcweir ::std::min( rSize.getX(), 486cdf0e10cSrcweir ::canvas::tools::roundUp( rRequestedArea.getMaxX() - aOutputPosition.X()) ), 487cdf0e10cSrcweir ::std::min( rSize.getY(), 488cdf0e10cSrcweir ::canvas::tools::roundUp( rRequestedArea.getMaxY() - aOutputPosition.Y()) ) ); 489cdf0e10cSrcweir 490cdf0e10cSrcweir cairo_rectangle( pCompositingCairo.get(), aOutputPosition.X(), aOutputPosition.Y(), aOutputSize.Width(), aOutputSize.Height() ); 491cdf0e10cSrcweir cairo_clip( pCompositingCairo.get() ); 492cdf0e10cSrcweir 493cdf0e10cSrcweir // paint background 494cdf0e10cSrcweir cairo_save( pCompositingCairo.get() ); 495cdf0e10cSrcweir cairo_set_source_surface( pCompositingCairo.get(), 496cdf0e10cSrcweir mpOwningSpriteCanvas->getBufferSurface()->getCairoSurface().get(), 497cdf0e10cSrcweir 0, 0 ); 498cdf0e10cSrcweir cairo_set_operator( pCompositingCairo.get(), CAIRO_OPERATOR_SOURCE ); 499cdf0e10cSrcweir cairo_paint( pCompositingCairo.get() ); 500cdf0e10cSrcweir cairo_restore( pCompositingCairo.get() ); 501cdf0e10cSrcweir 502cdf0e10cSrcweir // repaint all affected sprites on top of background into 503cdf0e10cSrcweir // VDev. 504cdf0e10cSrcweir ::std::for_each( rSortedUpdateSprites.begin(), 505cdf0e10cSrcweir rSortedUpdateSprites.end(), 506cdf0e10cSrcweir ::boost::bind( &spriteRedrawStub2, 507cdf0e10cSrcweir boost::cref(pCompositingCairo), 508cdf0e10cSrcweir _1 ) ); 509cdf0e10cSrcweir 510cdf0e10cSrcweir // flush to screen 511cdf0e10cSrcweir cairo_rectangle( pWindowCairo.get(), aOutputPosition.X(), aOutputPosition.Y(), aOutputSize.Width(), aOutputSize.Height() ); 512cdf0e10cSrcweir cairo_clip( pWindowCairo.get() ); 513cdf0e10cSrcweir cairo_set_source_surface( pWindowCairo.get(), 514cdf0e10cSrcweir pCompositingSurface->getCairoSurface().get(), 515cdf0e10cSrcweir 0, 0 ); 516cdf0e10cSrcweir cairo_set_operator( pWindowCairo.get(), CAIRO_OPERATOR_SOURCE ); 517cdf0e10cSrcweir cairo_paint( pWindowCairo.get() ); 518cdf0e10cSrcweir } 519cdf0e10cSrcweir getCompositingSurface(const::basegfx::B2ISize & rNeededSize)520cdf0e10cSrcweir ::cairo::SurfaceSharedPtr SpriteCanvasHelper::getCompositingSurface( const ::basegfx::B2ISize& rNeededSize ) 521cdf0e10cSrcweir { 522cdf0e10cSrcweir if( rNeededSize.getX() < maCompositingSurfaceSize.getX() || 523cdf0e10cSrcweir rNeededSize.getY() < maCompositingSurfaceSize.getY() ) 524cdf0e10cSrcweir { 525cdf0e10cSrcweir // need to give buffer more size 526cdf0e10cSrcweir mpCompositingSurface.reset(); 527cdf0e10cSrcweir } 528cdf0e10cSrcweir 529cdf0e10cSrcweir if( !mpCompositingSurface ) 530cdf0e10cSrcweir { 531cdf0e10cSrcweir mpCompositingSurface = 532cdf0e10cSrcweir mpOwningSpriteCanvas->getWindowSurface()->getSimilar( 533cdf0e10cSrcweir CAIRO_CONTENT_COLOR, 534cdf0e10cSrcweir rNeededSize.getX(), rNeededSize.getY() ); 535cdf0e10cSrcweir maCompositingSurfaceSize = rNeededSize; 536cdf0e10cSrcweir } 537cdf0e10cSrcweir 538cdf0e10cSrcweir return mpCompositingSurface; 539cdf0e10cSrcweir } 540cdf0e10cSrcweir } 541