1*b1cdbd2cSJim Jagielski /************************************************************** 2*b1cdbd2cSJim Jagielski * 3*b1cdbd2cSJim Jagielski * Licensed to the Apache Software Foundation (ASF) under one 4*b1cdbd2cSJim Jagielski * or more contributor license agreements. See the NOTICE file 5*b1cdbd2cSJim Jagielski * distributed with this work for additional information 6*b1cdbd2cSJim Jagielski * regarding copyright ownership. The ASF licenses this file 7*b1cdbd2cSJim Jagielski * to you under the Apache License, Version 2.0 (the 8*b1cdbd2cSJim Jagielski * "License"); you may not use this file except in compliance 9*b1cdbd2cSJim Jagielski * with the License. You may obtain a copy of the License at 10*b1cdbd2cSJim Jagielski * 11*b1cdbd2cSJim Jagielski * http://www.apache.org/licenses/LICENSE-2.0 12*b1cdbd2cSJim Jagielski * 13*b1cdbd2cSJim Jagielski * Unless required by applicable law or agreed to in writing, 14*b1cdbd2cSJim Jagielski * software distributed under the License is distributed on an 15*b1cdbd2cSJim Jagielski * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16*b1cdbd2cSJim Jagielski * KIND, either express or implied. See the License for the 17*b1cdbd2cSJim Jagielski * specific language governing permissions and limitations 18*b1cdbd2cSJim Jagielski * under the License. 19*b1cdbd2cSJim Jagielski * 20*b1cdbd2cSJim Jagielski *************************************************************/ 21*b1cdbd2cSJim Jagielski 22*b1cdbd2cSJim Jagielski 23*b1cdbd2cSJim Jagielski 24*b1cdbd2cSJim Jagielski // MARKER(update_precomp.py): autogen include statement, do not remove 25*b1cdbd2cSJim Jagielski #include "precompiled_canvas.hxx" 26*b1cdbd2cSJim Jagielski 27*b1cdbd2cSJim Jagielski #include <canvas/debug.hxx> 28*b1cdbd2cSJim Jagielski #include <canvas/verbosetrace.hxx> 29*b1cdbd2cSJim Jagielski #include <canvas/canvastools.hxx> 30*b1cdbd2cSJim Jagielski #include <tools/diagnose_ex.h> 31*b1cdbd2cSJim Jagielski 32*b1cdbd2cSJim Jagielski #include <vcl/canvastools.hxx> 33*b1cdbd2cSJim Jagielski 34*b1cdbd2cSJim Jagielski #include <comphelper/scopeguard.hxx> 35*b1cdbd2cSJim Jagielski 36*b1cdbd2cSJim Jagielski #include <basegfx/range/b2drectangle.hxx> 37*b1cdbd2cSJim Jagielski #include <basegfx/tools/canvastools.hxx> 38*b1cdbd2cSJim Jagielski 39*b1cdbd2cSJim Jagielski #include <boost/cast.hpp> 40*b1cdbd2cSJim Jagielski 41*b1cdbd2cSJim Jagielski #include "cairo_spritecanvashelper.hxx" 42*b1cdbd2cSJim Jagielski #include "cairo_canvascustomsprite.hxx" 43*b1cdbd2cSJim Jagielski 44*b1cdbd2cSJim Jagielski using namespace ::cairo; 45*b1cdbd2cSJim Jagielski using namespace ::com::sun::star; 46*b1cdbd2cSJim Jagielski 47*b1cdbd2cSJim Jagielski namespace cairocanvas 48*b1cdbd2cSJim Jagielski { 49*b1cdbd2cSJim Jagielski namespace 50*b1cdbd2cSJim Jagielski { 51*b1cdbd2cSJim Jagielski /** Sprite redraw at original position 52*b1cdbd2cSJim Jagielski 53*b1cdbd2cSJim Jagielski Used to repaint the whole canvas (background and all 54*b1cdbd2cSJim Jagielski sprites) 55*b1cdbd2cSJim Jagielski */ spriteRedraw(const CairoSharedPtr & pCairo,const::canvas::Sprite::Reference & rSprite)56*b1cdbd2cSJim Jagielski void spriteRedraw( const CairoSharedPtr& pCairo, 57*b1cdbd2cSJim Jagielski const ::canvas::Sprite::Reference& rSprite ) 58*b1cdbd2cSJim Jagielski { 59*b1cdbd2cSJim Jagielski // downcast to derived cairocanvas::Sprite interface, which 60*b1cdbd2cSJim Jagielski // provides the actual redraw methods. 61*b1cdbd2cSJim Jagielski ::boost::polymorphic_downcast< Sprite* >(rSprite.get())->redraw( pCairo, true); 62*b1cdbd2cSJim Jagielski } 63*b1cdbd2cSJim Jagielski repaintBackground(const CairoSharedPtr & pCairo,const SurfaceSharedPtr & pBackgroundSurface,const::basegfx::B2DRange & rArea)64*b1cdbd2cSJim Jagielski void repaintBackground( const CairoSharedPtr& pCairo, 65*b1cdbd2cSJim Jagielski const SurfaceSharedPtr& pBackgroundSurface, 66*b1cdbd2cSJim Jagielski const ::basegfx::B2DRange& rArea ) 67*b1cdbd2cSJim Jagielski { 68*b1cdbd2cSJim Jagielski cairo_save( pCairo.get() ); 69*b1cdbd2cSJim Jagielski cairo_rectangle( pCairo.get(), ceil( rArea.getMinX() ), ceil( rArea.getMinY() ), 70*b1cdbd2cSJim Jagielski floor( rArea.getWidth() ), floor( rArea.getHeight() ) ); 71*b1cdbd2cSJim Jagielski cairo_clip( pCairo.get() ); 72*b1cdbd2cSJim Jagielski cairo_set_source_surface( pCairo.get(), pBackgroundSurface->getCairoSurface().get(), 0, 0 ); 73*b1cdbd2cSJim Jagielski cairo_set_operator( pCairo.get(), CAIRO_OPERATOR_SOURCE ); 74*b1cdbd2cSJim Jagielski cairo_paint( pCairo.get() ); 75*b1cdbd2cSJim Jagielski cairo_restore( pCairo.get() ); 76*b1cdbd2cSJim Jagielski } 77*b1cdbd2cSJim Jagielski opaqueUpdateSpriteArea(const::canvas::Sprite::Reference & rSprite,const CairoSharedPtr & pCairo,const::basegfx::B2IRange & rArea)78*b1cdbd2cSJim Jagielski void opaqueUpdateSpriteArea( const ::canvas::Sprite::Reference& rSprite, 79*b1cdbd2cSJim Jagielski const CairoSharedPtr& pCairo, 80*b1cdbd2cSJim Jagielski const ::basegfx::B2IRange& rArea ) 81*b1cdbd2cSJim Jagielski { 82*b1cdbd2cSJim Jagielski // clip output to actual update region (otherwise a) 83*b1cdbd2cSJim Jagielski // wouldn't save much render time, and b) will clutter 84*b1cdbd2cSJim Jagielski // scrolled sprite content outside this area) 85*b1cdbd2cSJim Jagielski cairo_save( pCairo.get() ); 86*b1cdbd2cSJim Jagielski cairo_rectangle( pCairo.get(), rArea.getMinX(), rArea.getMinY(), 87*b1cdbd2cSJim Jagielski sal::static_int_cast<sal_Int32>(rArea.getWidth()), 88*b1cdbd2cSJim Jagielski sal::static_int_cast<sal_Int32>(rArea.getHeight()) ); 89*b1cdbd2cSJim Jagielski cairo_clip( pCairo.get() ); 90*b1cdbd2cSJim Jagielski 91*b1cdbd2cSJim Jagielski // repaint affected sprite directly to output device (at 92*b1cdbd2cSJim Jagielski // the actual screen output position) 93*b1cdbd2cSJim Jagielski // rendering directly to device buffer 94*b1cdbd2cSJim Jagielski ::boost::polymorphic_downcast< Sprite* >( rSprite.get() )->redraw( pCairo, false ); 95*b1cdbd2cSJim Jagielski 96*b1cdbd2cSJim Jagielski cairo_restore( pCairo.get() ); 97*b1cdbd2cSJim Jagielski } 98*b1cdbd2cSJim Jagielski 99*b1cdbd2cSJim Jagielski /** Repaint sprite at original position 100*b1cdbd2cSJim Jagielski 101*b1cdbd2cSJim Jagielski Used for opaque updates, which render directly to the 102*b1cdbd2cSJim Jagielski device buffer. 103*b1cdbd2cSJim Jagielski */ spriteRedrawStub(const CairoSharedPtr & pCairo,const::canvas::Sprite::Reference & rSprite)104*b1cdbd2cSJim Jagielski void spriteRedrawStub( const CairoSharedPtr& pCairo, 105*b1cdbd2cSJim Jagielski const ::canvas::Sprite::Reference& rSprite ) 106*b1cdbd2cSJim Jagielski { 107*b1cdbd2cSJim Jagielski if( rSprite.is() ) 108*b1cdbd2cSJim Jagielski { 109*b1cdbd2cSJim Jagielski ::boost::polymorphic_downcast< Sprite* >( rSprite.get() )->redraw( pCairo, false ); 110*b1cdbd2cSJim Jagielski } 111*b1cdbd2cSJim Jagielski } 112*b1cdbd2cSJim Jagielski 113*b1cdbd2cSJim Jagielski /** Repaint sprite at given position 114*b1cdbd2cSJim Jagielski 115*b1cdbd2cSJim Jagielski Used for generic update, which renders into device buffer. 116*b1cdbd2cSJim Jagielski */ spriteRedrawStub2(const CairoSharedPtr & pCairo,const::canvas::Sprite::Reference & rSprite)117*b1cdbd2cSJim Jagielski void spriteRedrawStub2( const CairoSharedPtr& pCairo, 118*b1cdbd2cSJim Jagielski const ::canvas::Sprite::Reference& rSprite ) 119*b1cdbd2cSJim Jagielski { 120*b1cdbd2cSJim Jagielski if( rSprite.is() ) 121*b1cdbd2cSJim Jagielski { 122*b1cdbd2cSJim Jagielski ::boost::polymorphic_downcast< Sprite* >( rSprite.get() )->redraw( pCairo, true );; 123*b1cdbd2cSJim Jagielski } 124*b1cdbd2cSJim Jagielski } 125*b1cdbd2cSJim Jagielski 126*b1cdbd2cSJim Jagielski /** Repaint sprite at original position 127*b1cdbd2cSJim Jagielski 128*b1cdbd2cSJim Jagielski Used for opaque updates from scrollUpdate(), which render 129*b1cdbd2cSJim Jagielski directly to the front buffer. 130*b1cdbd2cSJim Jagielski */ spriteRedrawStub3(const CairoSharedPtr & pCairo,const::canvas::SpriteRedrawManager::AreaComponent & rComponent)131*b1cdbd2cSJim Jagielski void spriteRedrawStub3( const CairoSharedPtr& pCairo, 132*b1cdbd2cSJim Jagielski const ::canvas::SpriteRedrawManager::AreaComponent& rComponent ) 133*b1cdbd2cSJim Jagielski { 134*b1cdbd2cSJim Jagielski const ::canvas::Sprite::Reference& rSprite( rComponent.second.getSprite() ); 135*b1cdbd2cSJim Jagielski 136*b1cdbd2cSJim Jagielski if( rSprite.is() ) 137*b1cdbd2cSJim Jagielski ::boost::polymorphic_downcast< Sprite* >( rSprite.get() )->redraw( pCairo, false ); 138*b1cdbd2cSJim Jagielski } 139*b1cdbd2cSJim Jagielski } 140*b1cdbd2cSJim Jagielski SpriteCanvasHelper()141*b1cdbd2cSJim Jagielski SpriteCanvasHelper::SpriteCanvasHelper() : 142*b1cdbd2cSJim Jagielski mpRedrawManager( NULL ), 143*b1cdbd2cSJim Jagielski mpOwningSpriteCanvas( NULL ), 144*b1cdbd2cSJim Jagielski mpCompositingSurface(), 145*b1cdbd2cSJim Jagielski maCompositingSurfaceSize() 146*b1cdbd2cSJim Jagielski { 147*b1cdbd2cSJim Jagielski } 148*b1cdbd2cSJim Jagielski init(::canvas::SpriteRedrawManager & rManager,SpriteCanvas & rDevice,const::basegfx::B2ISize & rSize)149*b1cdbd2cSJim Jagielski void SpriteCanvasHelper::init( ::canvas::SpriteRedrawManager& rManager, 150*b1cdbd2cSJim Jagielski SpriteCanvas& rDevice, 151*b1cdbd2cSJim Jagielski const ::basegfx::B2ISize& rSize ) 152*b1cdbd2cSJim Jagielski { 153*b1cdbd2cSJim Jagielski mpRedrawManager = &rManager; 154*b1cdbd2cSJim Jagielski mpOwningSpriteCanvas = &rDevice; 155*b1cdbd2cSJim Jagielski 156*b1cdbd2cSJim Jagielski CanvasHelper::init( rSize, rDevice, &rDevice ); 157*b1cdbd2cSJim Jagielski } 158*b1cdbd2cSJim Jagielski disposing()159*b1cdbd2cSJim Jagielski void SpriteCanvasHelper::disposing() 160*b1cdbd2cSJim Jagielski { 161*b1cdbd2cSJim Jagielski mpCompositingSurface.reset(); 162*b1cdbd2cSJim Jagielski mpOwningSpriteCanvas = NULL; 163*b1cdbd2cSJim Jagielski mpRedrawManager = NULL; 164*b1cdbd2cSJim Jagielski 165*b1cdbd2cSJim Jagielski // forward to base 166*b1cdbd2cSJim Jagielski CanvasHelper::disposing(); 167*b1cdbd2cSJim Jagielski } 168*b1cdbd2cSJim Jagielski createSpriteFromAnimation(const uno::Reference<rendering::XAnimation> &)169*b1cdbd2cSJim Jagielski uno::Reference< rendering::XAnimatedSprite > SpriteCanvasHelper::createSpriteFromAnimation( 170*b1cdbd2cSJim Jagielski const uno::Reference< rendering::XAnimation >& ) 171*b1cdbd2cSJim Jagielski { 172*b1cdbd2cSJim Jagielski return uno::Reference< rendering::XAnimatedSprite >(); 173*b1cdbd2cSJim Jagielski } 174*b1cdbd2cSJim Jagielski createSpriteFromBitmaps(const uno::Sequence<uno::Reference<rendering::XBitmap>> &,sal_Int8)175*b1cdbd2cSJim Jagielski uno::Reference< rendering::XAnimatedSprite > SpriteCanvasHelper::createSpriteFromBitmaps( 176*b1cdbd2cSJim Jagielski const uno::Sequence< uno::Reference< rendering::XBitmap > >& /*animationBitmaps*/, 177*b1cdbd2cSJim Jagielski sal_Int8 /*interpolationMode*/ ) 178*b1cdbd2cSJim Jagielski { 179*b1cdbd2cSJim Jagielski return uno::Reference< rendering::XAnimatedSprite >(); 180*b1cdbd2cSJim Jagielski } 181*b1cdbd2cSJim Jagielski createCustomSprite(const geometry::RealSize2D & spriteSize)182*b1cdbd2cSJim Jagielski uno::Reference< rendering::XCustomSprite > SpriteCanvasHelper::createCustomSprite( const geometry::RealSize2D& spriteSize ) 183*b1cdbd2cSJim Jagielski { 184*b1cdbd2cSJim Jagielski if( !mpRedrawManager ) 185*b1cdbd2cSJim Jagielski return uno::Reference< rendering::XCustomSprite >(); // we're disposed 186*b1cdbd2cSJim Jagielski 187*b1cdbd2cSJim Jagielski return uno::Reference< rendering::XCustomSprite >( 188*b1cdbd2cSJim Jagielski new CanvasCustomSprite( spriteSize, 189*b1cdbd2cSJim Jagielski mpOwningSpriteCanvas ) ); 190*b1cdbd2cSJim Jagielski } 191*b1cdbd2cSJim Jagielski createClonedSprite(const uno::Reference<rendering::XSprite> &)192*b1cdbd2cSJim Jagielski uno::Reference< rendering::XSprite > SpriteCanvasHelper::createClonedSprite( 193*b1cdbd2cSJim Jagielski const uno::Reference< rendering::XSprite >& ) 194*b1cdbd2cSJim Jagielski { 195*b1cdbd2cSJim Jagielski return uno::Reference< rendering::XSprite >(); 196*b1cdbd2cSJim Jagielski } 197*b1cdbd2cSJim Jagielski updateScreen(const::basegfx::B2IRange &,sal_Bool bUpdateAll,bool & io_bSurfaceDirty)198*b1cdbd2cSJim Jagielski sal_Bool SpriteCanvasHelper::updateScreen( const ::basegfx::B2IRange& /*rCurrArea*/, 199*b1cdbd2cSJim Jagielski sal_Bool bUpdateAll, 200*b1cdbd2cSJim Jagielski bool& io_bSurfaceDirty ) 201*b1cdbd2cSJim Jagielski { 202*b1cdbd2cSJim Jagielski if( !mpRedrawManager || 203*b1cdbd2cSJim Jagielski !mpOwningSpriteCanvas || 204*b1cdbd2cSJim Jagielski !mpOwningSpriteCanvas->getWindowSurface() || 205*b1cdbd2cSJim Jagielski !mpOwningSpriteCanvas->getBufferSurface() ) 206*b1cdbd2cSJim Jagielski { 207*b1cdbd2cSJim Jagielski return sal_False; // disposed, or otherwise dysfunctional 208*b1cdbd2cSJim Jagielski } 209*b1cdbd2cSJim Jagielski 210*b1cdbd2cSJim Jagielski OSL_TRACE("SpriteCanvasHelper::updateScreen called"); 211*b1cdbd2cSJim Jagielski 212*b1cdbd2cSJim Jagielski const ::basegfx::B2ISize& rSize = mpOwningSpriteCanvas->getSizePixel(); 213*b1cdbd2cSJim Jagielski 214*b1cdbd2cSJim Jagielski // force compositing surface to be available before using it 215*b1cdbd2cSJim Jagielski // inside forEachSpriteArea 216*b1cdbd2cSJim Jagielski SurfaceSharedPtr pCompositingSurface = getCompositingSurface(rSize); 217*b1cdbd2cSJim Jagielski SurfaceSharedPtr pWindowSurface = mpOwningSpriteCanvas->getWindowSurface(); 218*b1cdbd2cSJim Jagielski CairoSharedPtr pCompositingCairo = pCompositingSurface->getCairo(); 219*b1cdbd2cSJim Jagielski CairoSharedPtr pWindowCairo = pWindowSurface->getCairo(); 220*b1cdbd2cSJim Jagielski 221*b1cdbd2cSJim Jagielski // TODO(P1): Might be worthwile to track areas of background 222*b1cdbd2cSJim Jagielski // changes, too. 223*b1cdbd2cSJim Jagielski if( !bUpdateAll && !io_bSurfaceDirty ) 224*b1cdbd2cSJim Jagielski { 225*b1cdbd2cSJim Jagielski // background has not changed, so we're free to optimize 226*b1cdbd2cSJim Jagielski // repaint to areas where a sprite has changed 227*b1cdbd2cSJim Jagielski 228*b1cdbd2cSJim Jagielski // process each independent area of overlapping sprites 229*b1cdbd2cSJim Jagielski // separately. 230*b1cdbd2cSJim Jagielski mpRedrawManager->forEachSpriteArea( *this ); 231*b1cdbd2cSJim Jagielski } 232*b1cdbd2cSJim Jagielski else 233*b1cdbd2cSJim Jagielski { 234*b1cdbd2cSJim Jagielski OSL_TRACE("SpriteCanvasHelper::updateScreen update ALL"); 235*b1cdbd2cSJim Jagielski 236*b1cdbd2cSJim Jagielski // background has changed, so we currently have no choice 237*b1cdbd2cSJim Jagielski // but repaint everything (or caller requested that) 238*b1cdbd2cSJim Jagielski 239*b1cdbd2cSJim Jagielski cairo_rectangle( pCompositingCairo.get(), 0, 0, rSize.getX(), rSize.getY() ); 240*b1cdbd2cSJim Jagielski cairo_clip( pCompositingCairo.get() ); 241*b1cdbd2cSJim Jagielski cairo_save( pCompositingCairo.get() ); 242*b1cdbd2cSJim Jagielski cairo_set_source_surface( pCompositingCairo.get(), 243*b1cdbd2cSJim Jagielski mpOwningSpriteCanvas->getBufferSurface()->getCairoSurface().get(), 244*b1cdbd2cSJim Jagielski 0, 0 ); 245*b1cdbd2cSJim Jagielski cairo_set_operator( pCompositingCairo.get(), CAIRO_OPERATOR_SOURCE ); 246*b1cdbd2cSJim Jagielski cairo_paint( pCompositingCairo.get() ); 247*b1cdbd2cSJim Jagielski cairo_restore( pCompositingCairo.get() ); 248*b1cdbd2cSJim Jagielski 249*b1cdbd2cSJim Jagielski // repaint all active sprites on top of background into 250*b1cdbd2cSJim Jagielski // VDev. 251*b1cdbd2cSJim Jagielski mpRedrawManager->forEachSprite( 252*b1cdbd2cSJim Jagielski ::boost::bind( 253*b1cdbd2cSJim Jagielski &spriteRedraw, 254*b1cdbd2cSJim Jagielski boost::cref(pCompositingCairo), 255*b1cdbd2cSJim Jagielski _1 ) ); 256*b1cdbd2cSJim Jagielski 257*b1cdbd2cSJim Jagielski // flush to screen 258*b1cdbd2cSJim Jagielski cairo_rectangle( pWindowCairo.get(), 0, 0, rSize.getX(), rSize.getY() ); 259*b1cdbd2cSJim Jagielski cairo_clip( pWindowCairo.get() ); 260*b1cdbd2cSJim Jagielski cairo_set_source_surface( pWindowCairo.get(), 261*b1cdbd2cSJim Jagielski pCompositingSurface->getCairoSurface().get(), 262*b1cdbd2cSJim Jagielski 0, 0 ); 263*b1cdbd2cSJim Jagielski cairo_set_operator( pWindowCairo.get(), CAIRO_OPERATOR_SOURCE ); 264*b1cdbd2cSJim Jagielski cairo_paint( pWindowCairo.get() ); 265*b1cdbd2cSJim Jagielski } 266*b1cdbd2cSJim Jagielski 267*b1cdbd2cSJim Jagielski // change record vector must be cleared, for the next turn of 268*b1cdbd2cSJim Jagielski // rendering and sprite changing 269*b1cdbd2cSJim Jagielski mpRedrawManager->clearChangeRecords(); 270*b1cdbd2cSJim Jagielski 271*b1cdbd2cSJim Jagielski io_bSurfaceDirty = false; 272*b1cdbd2cSJim Jagielski 273*b1cdbd2cSJim Jagielski // commit to screen 274*b1cdbd2cSJim Jagielski mpOwningSpriteCanvas->flush(); 275*b1cdbd2cSJim Jagielski 276*b1cdbd2cSJim Jagielski return sal_True; 277*b1cdbd2cSJim Jagielski } 278*b1cdbd2cSJim Jagielski backgroundPaint(const::basegfx::B2DRange & rUpdateRect)279*b1cdbd2cSJim Jagielski void SpriteCanvasHelper::backgroundPaint( const ::basegfx::B2DRange& rUpdateRect ) 280*b1cdbd2cSJim Jagielski { 281*b1cdbd2cSJim Jagielski if( mpOwningSpriteCanvas && mpCompositingSurface ) 282*b1cdbd2cSJim Jagielski repaintBackground( mpCompositingSurface->getCairo(), 283*b1cdbd2cSJim Jagielski mpOwningSpriteCanvas->getBufferSurface(), 284*b1cdbd2cSJim Jagielski rUpdateRect ); 285*b1cdbd2cSJim Jagielski } 286*b1cdbd2cSJim Jagielski scrollUpdate(const::basegfx::B2DRange & rMoveStart,const::basegfx::B2DRange & rMoveEnd,const::canvas::SpriteRedrawManager::UpdateArea & rUpdateArea)287*b1cdbd2cSJim Jagielski void SpriteCanvasHelper::scrollUpdate( const ::basegfx::B2DRange& rMoveStart, 288*b1cdbd2cSJim Jagielski const ::basegfx::B2DRange& rMoveEnd, 289*b1cdbd2cSJim Jagielski const ::canvas::SpriteRedrawManager::UpdateArea& rUpdateArea ) 290*b1cdbd2cSJim Jagielski { 291*b1cdbd2cSJim Jagielski ENSURE_OR_THROW( mpOwningSpriteCanvas && 292*b1cdbd2cSJim Jagielski mpOwningSpriteCanvas->getBufferSurface(), 293*b1cdbd2cSJim Jagielski "SpriteCanvasHelper::scrollUpdate(): NULL device pointer " ); 294*b1cdbd2cSJim Jagielski 295*b1cdbd2cSJim Jagielski OSL_TRACE("SpriteCanvasHelper::scrollUpdate called"); 296*b1cdbd2cSJim Jagielski 297*b1cdbd2cSJim Jagielski const ::basegfx::B2ISize& rSize = mpOwningSpriteCanvas->getSizePixel(); 298*b1cdbd2cSJim Jagielski const ::basegfx::B2IRange aOutputBounds( 0,0, 299*b1cdbd2cSJim Jagielski rSize.getX(), 300*b1cdbd2cSJim Jagielski rSize.getY() ); 301*b1cdbd2cSJim Jagielski 302*b1cdbd2cSJim Jagielski SurfaceSharedPtr pCompositingSurface = getCompositingSurface(rSize); 303*b1cdbd2cSJim Jagielski SurfaceSharedPtr pWindowSurface = mpOwningSpriteCanvas->getWindowSurface(); 304*b1cdbd2cSJim Jagielski CairoSharedPtr pCompositingCairo = pCompositingSurface->getCairo(); 305*b1cdbd2cSJim Jagielski CairoSharedPtr pWindowCairo = pWindowSurface->getCairo(); 306*b1cdbd2cSJim Jagielski 307*b1cdbd2cSJim Jagielski // round rectangles to integer pixel. Note: have to be 308*b1cdbd2cSJim Jagielski // extremely careful here, to avoid off-by-one errors for 309*b1cdbd2cSJim Jagielski // the destination area: otherwise, the next scroll update 310*b1cdbd2cSJim Jagielski // would copy pixel that are not supposed to be part of 311*b1cdbd2cSJim Jagielski // the sprite. 312*b1cdbd2cSJim Jagielski ::basegfx::B2IRange aSourceRect( 313*b1cdbd2cSJim Jagielski ::canvas::tools::spritePixelAreaFromB2DRange( rMoveStart ) ); 314*b1cdbd2cSJim Jagielski const ::basegfx::B2IRange& rDestRect( 315*b1cdbd2cSJim Jagielski ::canvas::tools::spritePixelAreaFromB2DRange( rMoveEnd ) ); 316*b1cdbd2cSJim Jagielski ::basegfx::B2IPoint aDestPos( rDestRect.getMinimum() ); 317*b1cdbd2cSJim Jagielski 318*b1cdbd2cSJim Jagielski ::std::vector< ::basegfx::B2IRange > aUnscrollableAreas; 319*b1cdbd2cSJim Jagielski 320*b1cdbd2cSJim Jagielski // TODO(E3): This is plain buggy (but copies the behaviour of 321*b1cdbd2cSJim Jagielski // the old Impress slideshow) - the scrolled area might 322*b1cdbd2cSJim Jagielski // actually lie _below_ another window! 323*b1cdbd2cSJim Jagielski 324*b1cdbd2cSJim Jagielski // clip to output bounds (cannot properly scroll stuff 325*b1cdbd2cSJim Jagielski // _outside_ our screen area) 326*b1cdbd2cSJim Jagielski if( !::canvas::tools::clipScrollArea( aSourceRect, 327*b1cdbd2cSJim Jagielski aDestPos, 328*b1cdbd2cSJim Jagielski aUnscrollableAreas, 329*b1cdbd2cSJim Jagielski aOutputBounds ) ) 330*b1cdbd2cSJim Jagielski { 331*b1cdbd2cSJim Jagielski // fully clipped scroll area: cannot simply scroll 332*b1cdbd2cSJim Jagielski // then. Perform normal opaque update (can use that, since 333*b1cdbd2cSJim Jagielski // one of the preconditions for scrollable update is 334*b1cdbd2cSJim Jagielski // opaque sprite content) 335*b1cdbd2cSJim Jagielski 336*b1cdbd2cSJim Jagielski // repaint all affected sprites directly to output device 337*b1cdbd2cSJim Jagielski ::std::for_each( rUpdateArea.maComponentList.begin(), 338*b1cdbd2cSJim Jagielski rUpdateArea.maComponentList.end(), 339*b1cdbd2cSJim Jagielski ::boost::bind( 340*b1cdbd2cSJim Jagielski &spriteRedrawStub3, 341*b1cdbd2cSJim Jagielski boost::cref(pCompositingCairo), 342*b1cdbd2cSJim Jagielski _1 ) ); 343*b1cdbd2cSJim Jagielski } 344*b1cdbd2cSJim Jagielski else 345*b1cdbd2cSJim Jagielski { 346*b1cdbd2cSJim Jagielski const ::basegfx::B2IVector aSourceUpperLeftPos( aSourceRect.getMinimum() ); 347*b1cdbd2cSJim Jagielski 348*b1cdbd2cSJim Jagielski // clip dest area (which must be inside rDestBounds) 349*b1cdbd2cSJim Jagielski ::basegfx::B2IRange aDestRect( rDestRect ); 350*b1cdbd2cSJim Jagielski aDestRect.intersect( aOutputBounds ); 351*b1cdbd2cSJim Jagielski 352*b1cdbd2cSJim Jagielski cairo_save( pCompositingCairo.get() ); 353*b1cdbd2cSJim Jagielski // scroll content in device back buffer 354*b1cdbd2cSJim Jagielski cairo_set_source_surface( pCompositingCairo.get(), 355*b1cdbd2cSJim Jagielski mpOwningSpriteCanvas->getBufferSurface()->getCairoSurface().get(), 356*b1cdbd2cSJim Jagielski aDestPos.getX() - aSourceUpperLeftPos.getX(), 357*b1cdbd2cSJim Jagielski aDestPos.getY() - aSourceUpperLeftPos.getY() ); 358*b1cdbd2cSJim Jagielski cairo_rectangle( pCompositingCairo.get(), 359*b1cdbd2cSJim Jagielski aDestPos.getX(), aDestPos.getY(), 360*b1cdbd2cSJim Jagielski sal::static_int_cast<sal_Int32>(aDestRect.getWidth()), 361*b1cdbd2cSJim Jagielski sal::static_int_cast<sal_Int32>(aDestRect.getHeight()) ); 362*b1cdbd2cSJim Jagielski cairo_clip( pCompositingCairo.get() ); 363*b1cdbd2cSJim Jagielski cairo_set_operator( pCompositingCairo.get(), CAIRO_OPERATOR_SOURCE ); 364*b1cdbd2cSJim Jagielski cairo_paint( pCompositingCairo.get() ); 365*b1cdbd2cSJim Jagielski cairo_restore( pCompositingCairo.get() ); 366*b1cdbd2cSJim Jagielski 367*b1cdbd2cSJim Jagielski const ::canvas::SpriteRedrawManager::SpriteConnectedRanges::ComponentListType::const_iterator 368*b1cdbd2cSJim Jagielski aFirst( rUpdateArea.maComponentList.begin() ); 369*b1cdbd2cSJim Jagielski ::canvas::SpriteRedrawManager::SpriteConnectedRanges::ComponentListType::const_iterator 370*b1cdbd2cSJim Jagielski aSecond( aFirst ); ++aSecond; 371*b1cdbd2cSJim Jagielski 372*b1cdbd2cSJim Jagielski ENSURE_OR_THROW( aFirst->second.getSprite().is(), 373*b1cdbd2cSJim Jagielski "VCLCanvas::scrollUpdate(): no sprite" ); 374*b1cdbd2cSJim Jagielski 375*b1cdbd2cSJim Jagielski // repaint uncovered areas from sprite. Need to actually 376*b1cdbd2cSJim Jagielski // clip here, since we're only repainting _parts_ of the 377*b1cdbd2cSJim Jagielski // sprite 378*b1cdbd2cSJim Jagielski ::std::for_each( aUnscrollableAreas.begin(), 379*b1cdbd2cSJim Jagielski aUnscrollableAreas.end(), 380*b1cdbd2cSJim Jagielski ::boost::bind( &opaqueUpdateSpriteArea, 381*b1cdbd2cSJim Jagielski ::boost::cref(aFirst->second.getSprite()), 382*b1cdbd2cSJim Jagielski boost::cref(pCompositingCairo), 383*b1cdbd2cSJim Jagielski _1 ) ); 384*b1cdbd2cSJim Jagielski } 385*b1cdbd2cSJim Jagielski 386*b1cdbd2cSJim Jagielski // repaint uncovered areas from backbuffer - take the 387*b1cdbd2cSJim Jagielski // _rounded_ rectangles from above, to have the update 388*b1cdbd2cSJim Jagielski // consistent with the scroll above. 389*b1cdbd2cSJim Jagielski ::std::vector< ::basegfx::B2DRange > aUncoveredAreas; 390*b1cdbd2cSJim Jagielski ::basegfx::computeSetDifference( aUncoveredAreas, 391*b1cdbd2cSJim Jagielski rUpdateArea.maTotalBounds, 392*b1cdbd2cSJim Jagielski ::basegfx::B2DRange( rDestRect ) ); 393*b1cdbd2cSJim Jagielski ::std::for_each( aUncoveredAreas.begin(), 394*b1cdbd2cSJim Jagielski aUncoveredAreas.end(), 395*b1cdbd2cSJim Jagielski ::boost::bind( &repaintBackground, 396*b1cdbd2cSJim Jagielski boost::cref(pCompositingCairo), 397*b1cdbd2cSJim Jagielski boost::cref(mpOwningSpriteCanvas->getBufferSurface()), 398*b1cdbd2cSJim Jagielski _1 ) ); 399*b1cdbd2cSJim Jagielski 400*b1cdbd2cSJim Jagielski cairo_rectangle( pWindowCairo.get(), 0, 0, rSize.getX(), rSize.getY() ); 401*b1cdbd2cSJim Jagielski cairo_clip( pWindowCairo.get() ); 402*b1cdbd2cSJim Jagielski cairo_set_source_surface( pWindowCairo.get(), 403*b1cdbd2cSJim Jagielski pCompositingSurface->getCairoSurface().get(), 404*b1cdbd2cSJim Jagielski 0, 0 ); 405*b1cdbd2cSJim Jagielski cairo_set_operator( pWindowCairo.get(), CAIRO_OPERATOR_SOURCE ); 406*b1cdbd2cSJim Jagielski cairo_paint( pWindowCairo.get() ); 407*b1cdbd2cSJim Jagielski } 408*b1cdbd2cSJim Jagielski opaqueUpdate(const::basegfx::B2DRange & rTotalArea,const::std::vector<::canvas::Sprite::Reference> & rSortedUpdateSprites)409*b1cdbd2cSJim Jagielski void SpriteCanvasHelper::opaqueUpdate( const ::basegfx::B2DRange& rTotalArea, 410*b1cdbd2cSJim Jagielski const ::std::vector< ::canvas::Sprite::Reference >& rSortedUpdateSprites ) 411*b1cdbd2cSJim Jagielski { 412*b1cdbd2cSJim Jagielski ENSURE_OR_THROW( mpOwningSpriteCanvas && 413*b1cdbd2cSJim Jagielski mpOwningSpriteCanvas->getBufferSurface(), 414*b1cdbd2cSJim Jagielski "SpriteCanvasHelper::opaqueUpdate(): NULL device pointer " ); 415*b1cdbd2cSJim Jagielski 416*b1cdbd2cSJim Jagielski OSL_TRACE("SpriteCanvasHelper::opaqueUpdate called"); 417*b1cdbd2cSJim Jagielski 418*b1cdbd2cSJim Jagielski const ::basegfx::B2ISize& rDeviceSize = mpOwningSpriteCanvas->getSizePixel(); 419*b1cdbd2cSJim Jagielski 420*b1cdbd2cSJim Jagielski SurfaceSharedPtr pCompositingSurface = getCompositingSurface(rDeviceSize); 421*b1cdbd2cSJim Jagielski SurfaceSharedPtr pWindowSurface = mpOwningSpriteCanvas->getWindowSurface(); 422*b1cdbd2cSJim Jagielski CairoSharedPtr pCompositingCairo = pCompositingSurface->getCairo(); 423*b1cdbd2cSJim Jagielski CairoSharedPtr pWindowCairo = pWindowSurface->getCairo(); 424*b1cdbd2cSJim Jagielski 425*b1cdbd2cSJim Jagielski cairo_rectangle( pCompositingCairo.get(), 0, 0, rDeviceSize.getX(), rDeviceSize.getY() ); 426*b1cdbd2cSJim Jagielski cairo_clip( pCompositingCairo.get() ); 427*b1cdbd2cSJim Jagielski 428*b1cdbd2cSJim Jagielski ::basegfx::B2DVector aPos( ceil( rTotalArea.getMinX() ), ceil( rTotalArea.getMinY() ) ); 429*b1cdbd2cSJim Jagielski ::basegfx::B2DVector aSize( floor( rTotalArea.getMaxX() - aPos.getX() ), floor( rTotalArea.getMaxY() - aPos.getY() ) ); 430*b1cdbd2cSJim Jagielski 431*b1cdbd2cSJim Jagielski cairo_rectangle( pCompositingCairo.get(), aPos.getX(), aPos.getY(), aSize.getX(), aSize.getY() ); 432*b1cdbd2cSJim Jagielski cairo_clip( pCompositingCairo.get() ); 433*b1cdbd2cSJim Jagielski 434*b1cdbd2cSJim Jagielski // repaint all affected sprites directly to output device 435*b1cdbd2cSJim Jagielski ::std::for_each( rSortedUpdateSprites.begin(), 436*b1cdbd2cSJim Jagielski rSortedUpdateSprites.end(), 437*b1cdbd2cSJim Jagielski ::boost::bind( 438*b1cdbd2cSJim Jagielski &spriteRedrawStub, 439*b1cdbd2cSJim Jagielski boost::cref(pCompositingCairo), 440*b1cdbd2cSJim Jagielski _1 ) ); 441*b1cdbd2cSJim Jagielski 442*b1cdbd2cSJim Jagielski // flush to screen 443*b1cdbd2cSJim Jagielski cairo_rectangle( pWindowCairo.get(), 0, 0, rDeviceSize.getX(), rDeviceSize.getY() ); 444*b1cdbd2cSJim Jagielski cairo_clip( pWindowCairo.get() ); 445*b1cdbd2cSJim Jagielski cairo_rectangle( pWindowCairo.get(), aPos.getX(), aPos.getY(), aSize.getX(), aSize.getY() ); 446*b1cdbd2cSJim Jagielski cairo_clip( pWindowCairo.get() ); 447*b1cdbd2cSJim Jagielski cairo_set_source_surface( pWindowCairo.get(), 448*b1cdbd2cSJim Jagielski pCompositingSurface->getCairoSurface().get(), 449*b1cdbd2cSJim Jagielski 0, 0 ); 450*b1cdbd2cSJim Jagielski cairo_set_operator( pWindowCairo.get(), CAIRO_OPERATOR_SOURCE ); 451*b1cdbd2cSJim Jagielski cairo_paint( pWindowCairo.get() ); 452*b1cdbd2cSJim Jagielski } 453*b1cdbd2cSJim Jagielski genericUpdate(const::basegfx::B2DRange & rRequestedArea,const::std::vector<::canvas::Sprite::Reference> & rSortedUpdateSprites)454*b1cdbd2cSJim Jagielski void SpriteCanvasHelper::genericUpdate( const ::basegfx::B2DRange& rRequestedArea, 455*b1cdbd2cSJim Jagielski const ::std::vector< ::canvas::Sprite::Reference >& rSortedUpdateSprites ) 456*b1cdbd2cSJim Jagielski { 457*b1cdbd2cSJim Jagielski // TODO 458*b1cdbd2cSJim Jagielski OSL_TRACE("SpriteCanvasHelper::genericUpdate called"); 459*b1cdbd2cSJim Jagielski 460*b1cdbd2cSJim Jagielski ENSURE_OR_THROW( mpOwningSpriteCanvas && 461*b1cdbd2cSJim Jagielski mpOwningSpriteCanvas->getBufferSurface(), 462*b1cdbd2cSJim Jagielski "SpriteCanvasHelper::genericUpdate(): NULL device pointer " ); 463*b1cdbd2cSJim Jagielski 464*b1cdbd2cSJim Jagielski // limit size of update VDev to target outdev's size 465*b1cdbd2cSJim Jagielski const ::basegfx::B2ISize& rSize = mpOwningSpriteCanvas->getSizePixel(); 466*b1cdbd2cSJim Jagielski 467*b1cdbd2cSJim Jagielski SurfaceSharedPtr pCompositingSurface = getCompositingSurface(rSize); 468*b1cdbd2cSJim Jagielski SurfaceSharedPtr pWindowSurface = mpOwningSpriteCanvas->getWindowSurface(); 469*b1cdbd2cSJim Jagielski CairoSharedPtr pCompositingCairo = pCompositingSurface->getCairo(); 470*b1cdbd2cSJim Jagielski CairoSharedPtr pWindowCairo = pWindowSurface->getCairo(); 471*b1cdbd2cSJim Jagielski 472*b1cdbd2cSJim Jagielski // round output position towards zero. Don't want to truncate 473*b1cdbd2cSJim Jagielski // a fraction of a sprite pixel... Clip position at origin, 474*b1cdbd2cSJim Jagielski // otherwise, truncation of size below might leave visible 475*b1cdbd2cSJim Jagielski // areas uncovered by VDev. 476*b1cdbd2cSJim Jagielski const Point aOutputPosition( 477*b1cdbd2cSJim Jagielski ::std::max( sal_Int32( 0 ), 478*b1cdbd2cSJim Jagielski static_cast< sal_Int32 >(rRequestedArea.getMinX()) ), 479*b1cdbd2cSJim Jagielski ::std::max( sal_Int32( 0 ), 480*b1cdbd2cSJim Jagielski static_cast< sal_Int32 >(rRequestedArea.getMinY()) ) ); 481*b1cdbd2cSJim Jagielski // round output size towards +infty. Don't want to truncate a 482*b1cdbd2cSJim Jagielski // fraction of a sprite pixel... Limit size of VDev to output 483*b1cdbd2cSJim Jagielski // device's area. 484*b1cdbd2cSJim Jagielski const Size aOutputSize( 485*b1cdbd2cSJim Jagielski ::std::min( rSize.getX(), 486*b1cdbd2cSJim Jagielski ::canvas::tools::roundUp( rRequestedArea.getMaxX() - aOutputPosition.X()) ), 487*b1cdbd2cSJim Jagielski ::std::min( rSize.getY(), 488*b1cdbd2cSJim Jagielski ::canvas::tools::roundUp( rRequestedArea.getMaxY() - aOutputPosition.Y()) ) ); 489*b1cdbd2cSJim Jagielski 490*b1cdbd2cSJim Jagielski cairo_rectangle( pCompositingCairo.get(), aOutputPosition.X(), aOutputPosition.Y(), aOutputSize.Width(), aOutputSize.Height() ); 491*b1cdbd2cSJim Jagielski cairo_clip( pCompositingCairo.get() ); 492*b1cdbd2cSJim Jagielski 493*b1cdbd2cSJim Jagielski // paint background 494*b1cdbd2cSJim Jagielski cairo_save( pCompositingCairo.get() ); 495*b1cdbd2cSJim Jagielski cairo_set_source_surface( pCompositingCairo.get(), 496*b1cdbd2cSJim Jagielski mpOwningSpriteCanvas->getBufferSurface()->getCairoSurface().get(), 497*b1cdbd2cSJim Jagielski 0, 0 ); 498*b1cdbd2cSJim Jagielski cairo_set_operator( pCompositingCairo.get(), CAIRO_OPERATOR_SOURCE ); 499*b1cdbd2cSJim Jagielski cairo_paint( pCompositingCairo.get() ); 500*b1cdbd2cSJim Jagielski cairo_restore( pCompositingCairo.get() ); 501*b1cdbd2cSJim Jagielski 502*b1cdbd2cSJim Jagielski // repaint all affected sprites on top of background into 503*b1cdbd2cSJim Jagielski // VDev. 504*b1cdbd2cSJim Jagielski ::std::for_each( rSortedUpdateSprites.begin(), 505*b1cdbd2cSJim Jagielski rSortedUpdateSprites.end(), 506*b1cdbd2cSJim Jagielski ::boost::bind( &spriteRedrawStub2, 507*b1cdbd2cSJim Jagielski boost::cref(pCompositingCairo), 508*b1cdbd2cSJim Jagielski _1 ) ); 509*b1cdbd2cSJim Jagielski 510*b1cdbd2cSJim Jagielski // flush to screen 511*b1cdbd2cSJim Jagielski cairo_rectangle( pWindowCairo.get(), aOutputPosition.X(), aOutputPosition.Y(), aOutputSize.Width(), aOutputSize.Height() ); 512*b1cdbd2cSJim Jagielski cairo_clip( pWindowCairo.get() ); 513*b1cdbd2cSJim Jagielski cairo_set_source_surface( pWindowCairo.get(), 514*b1cdbd2cSJim Jagielski pCompositingSurface->getCairoSurface().get(), 515*b1cdbd2cSJim Jagielski 0, 0 ); 516*b1cdbd2cSJim Jagielski cairo_set_operator( pWindowCairo.get(), CAIRO_OPERATOR_SOURCE ); 517*b1cdbd2cSJim Jagielski cairo_paint( pWindowCairo.get() ); 518*b1cdbd2cSJim Jagielski } 519*b1cdbd2cSJim Jagielski getCompositingSurface(const::basegfx::B2ISize & rNeededSize)520*b1cdbd2cSJim Jagielski ::cairo::SurfaceSharedPtr SpriteCanvasHelper::getCompositingSurface( const ::basegfx::B2ISize& rNeededSize ) 521*b1cdbd2cSJim Jagielski { 522*b1cdbd2cSJim Jagielski if( rNeededSize.getX() < maCompositingSurfaceSize.getX() || 523*b1cdbd2cSJim Jagielski rNeededSize.getY() < maCompositingSurfaceSize.getY() ) 524*b1cdbd2cSJim Jagielski { 525*b1cdbd2cSJim Jagielski // need to give buffer more size 526*b1cdbd2cSJim Jagielski mpCompositingSurface.reset(); 527*b1cdbd2cSJim Jagielski } 528*b1cdbd2cSJim Jagielski 529*b1cdbd2cSJim Jagielski if( !mpCompositingSurface ) 530*b1cdbd2cSJim Jagielski { 531*b1cdbd2cSJim Jagielski mpCompositingSurface = 532*b1cdbd2cSJim Jagielski mpOwningSpriteCanvas->getWindowSurface()->getSimilar( 533*b1cdbd2cSJim Jagielski CAIRO_CONTENT_COLOR, 534*b1cdbd2cSJim Jagielski rNeededSize.getX(), rNeededSize.getY() ); 535*b1cdbd2cSJim Jagielski maCompositingSurfaceSize = rNeededSize; 536*b1cdbd2cSJim Jagielski } 537*b1cdbd2cSJim Jagielski 538*b1cdbd2cSJim Jagielski return mpCompositingSurface; 539*b1cdbd2cSJim Jagielski } 540*b1cdbd2cSJim Jagielski } 541