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 <tools/diagnose_ex.h> 29cdf0e10cSrcweir #include <canvas/verbosetrace.hxx> 30cdf0e10cSrcweir #include <canvas/canvastools.hxx> 31cdf0e10cSrcweir 32cdf0e10cSrcweir #include <vcl/canvastools.hxx> 33cdf0e10cSrcweir #include <vcl/outdev.hxx> 34cdf0e10cSrcweir #include <vcl/window.hxx> 35cdf0e10cSrcweir #include <vcl/bitmapex.hxx> 36cdf0e10cSrcweir 37cdf0e10cSrcweir #include <basegfx/range/b2drectangle.hxx> 38cdf0e10cSrcweir #include <basegfx/tools/canvastools.hxx> 39cdf0e10cSrcweir 40cdf0e10cSrcweir #include <boost/cast.hpp> 41cdf0e10cSrcweir 42cdf0e10cSrcweir #include "spritecanvashelper.hxx" 43cdf0e10cSrcweir #include "canvascustomsprite.hxx" 44cdf0e10cSrcweir 45cdf0e10cSrcweir 46cdf0e10cSrcweir using namespace ::com::sun::star; 47cdf0e10cSrcweir 48cdf0e10cSrcweir #define FPS_BOUNDS Rectangle(0,0,130,90) 49cdf0e10cSrcweir #define INFO_COLOR COL_RED 50cdf0e10cSrcweir 51cdf0e10cSrcweir namespace vclcanvas 52cdf0e10cSrcweir { 53cdf0e10cSrcweir namespace 54cdf0e10cSrcweir { 55cdf0e10cSrcweir /** Sprite redraw at original position 56cdf0e10cSrcweir 57cdf0e10cSrcweir Used to repaint the whole canvas (background and all 58cdf0e10cSrcweir sprites) 59cdf0e10cSrcweir */ spriteRedraw(OutputDevice & rOutDev,const::canvas::Sprite::Reference & rSprite)60cdf0e10cSrcweir void spriteRedraw( OutputDevice& rOutDev, 61cdf0e10cSrcweir const ::canvas::Sprite::Reference& rSprite ) 62cdf0e10cSrcweir { 63cdf0e10cSrcweir // downcast to derived vclcanvas::Sprite interface, which 64cdf0e10cSrcweir // provides the actual redraw methods. 65cdf0e10cSrcweir ::boost::polymorphic_downcast< Sprite* >(rSprite.get())->redraw(rOutDev, 66cdf0e10cSrcweir true); 67cdf0e10cSrcweir } 68cdf0e10cSrcweir calcNumPixel(const::canvas::Sprite::Reference & rSprite)69cdf0e10cSrcweir double calcNumPixel( const ::canvas::Sprite::Reference& rSprite ) 70cdf0e10cSrcweir { 71cdf0e10cSrcweir const ::basegfx::B2DSize& rSize( 72cdf0e10cSrcweir ::boost::polymorphic_downcast< Sprite* >(rSprite.get())->getSizePixel() ); 73cdf0e10cSrcweir 74cdf0e10cSrcweir return rSize.getX() * rSize.getY(); 75cdf0e10cSrcweir } 76cdf0e10cSrcweir repaintBackground(OutputDevice & rOutDev,OutputDevice & rBackBuffer,const::basegfx::B2DRange & rArea)77cdf0e10cSrcweir void repaintBackground( OutputDevice& rOutDev, 78cdf0e10cSrcweir OutputDevice& rBackBuffer, 79cdf0e10cSrcweir const ::basegfx::B2DRange& rArea ) 80cdf0e10cSrcweir { 81cdf0e10cSrcweir const ::Point& rPos( ::vcl::unotools::pointFromB2DPoint( rArea.getMinimum()) ); 82cdf0e10cSrcweir const ::Size& rSize( ::vcl::unotools::sizeFromB2DSize( rArea.getRange()) ); 83cdf0e10cSrcweir 84cdf0e10cSrcweir rOutDev.DrawOutDev( rPos, rSize, rPos, rSize, rBackBuffer ); 85cdf0e10cSrcweir } 86cdf0e10cSrcweir opaqueUpdateSpriteArea(const::canvas::Sprite::Reference & rSprite,OutputDevice & rOutDev,const::basegfx::B2IRange & rArea)87cdf0e10cSrcweir void opaqueUpdateSpriteArea( const ::canvas::Sprite::Reference& rSprite, 88cdf0e10cSrcweir OutputDevice& rOutDev, 89cdf0e10cSrcweir const ::basegfx::B2IRange& rArea ) 90cdf0e10cSrcweir { 91cdf0e10cSrcweir const Rectangle& rRequestedArea( 92cdf0e10cSrcweir ::vcl::unotools::rectangleFromB2IRectangle( rArea ) ); 93cdf0e10cSrcweir 94cdf0e10cSrcweir // clip output to actual update region (otherwise a) 95cdf0e10cSrcweir // wouldn't save much render time, and b) will clutter 96cdf0e10cSrcweir // scrolled sprite content outside this area) 97cdf0e10cSrcweir rOutDev.EnableMapMode( sal_False ); 98*5f27b83cSArmin Le Grand rOutDev.SetAntialiasing( ANTIALIASING_ENABLE_B2DDRAW ); 99cdf0e10cSrcweir rOutDev.SetClipRegion( rRequestedArea ); 100cdf0e10cSrcweir 101cdf0e10cSrcweir // repaint affected sprite directly to output device (at 102cdf0e10cSrcweir // the actual screen output position) 103cdf0e10cSrcweir ::boost::polymorphic_downcast< Sprite* >( 104cdf0e10cSrcweir rSprite.get() )->redraw( rOutDev, 105cdf0e10cSrcweir false ); // rendering 106cdf0e10cSrcweir // directly to 107cdf0e10cSrcweir // frontbuffer 108cdf0e10cSrcweir } 109cdf0e10cSrcweir 110cdf0e10cSrcweir /** Repaint sprite at original position 111cdf0e10cSrcweir 112cdf0e10cSrcweir Used for opaque updates, which render directly to the 113cdf0e10cSrcweir front buffer. 114cdf0e10cSrcweir */ spriteRedrawStub(OutputDevice & rOutDev,const::canvas::Sprite::Reference & rSprite)115cdf0e10cSrcweir void spriteRedrawStub( OutputDevice& rOutDev, 116cdf0e10cSrcweir const ::canvas::Sprite::Reference& rSprite ) 117cdf0e10cSrcweir { 118cdf0e10cSrcweir if( rSprite.is() ) 119cdf0e10cSrcweir { 120cdf0e10cSrcweir ::boost::polymorphic_downcast< Sprite* >( 121cdf0e10cSrcweir rSprite.get() )->redraw( rOutDev, 122cdf0e10cSrcweir false ); 123cdf0e10cSrcweir } 124cdf0e10cSrcweir } 125cdf0e10cSrcweir 126cdf0e10cSrcweir /** Repaint sprite at given position 127cdf0e10cSrcweir 128cdf0e10cSrcweir Used for generic update, which renders into vdev of 129cdf0e10cSrcweir adapted size. 130cdf0e10cSrcweir */ spriteRedrawStub2(OutputDevice & rOutDev,const::basegfx::B2DPoint & rOutPos,const::canvas::Sprite::Reference & rSprite)131cdf0e10cSrcweir void spriteRedrawStub2( OutputDevice& rOutDev, 132cdf0e10cSrcweir const ::basegfx::B2DPoint& rOutPos, 133cdf0e10cSrcweir const ::canvas::Sprite::Reference& rSprite ) 134cdf0e10cSrcweir { 135cdf0e10cSrcweir if( rSprite.is() ) 136cdf0e10cSrcweir { 137cdf0e10cSrcweir Sprite* pSprite = ::boost::polymorphic_downcast< Sprite* >( 138cdf0e10cSrcweir rSprite.get() ); 139cdf0e10cSrcweir 140cdf0e10cSrcweir // calc relative sprite position in rUpdateArea (which 141cdf0e10cSrcweir // need not be the whole screen!) 142cdf0e10cSrcweir const ::basegfx::B2DPoint& rSpriteScreenPos( pSprite->getPosPixel() ); 143cdf0e10cSrcweir const ::basegfx::B2DPoint& rSpriteRenderPos( rSpriteScreenPos - rOutPos ); 144cdf0e10cSrcweir 145cdf0e10cSrcweir pSprite->redraw( rOutDev, rSpriteRenderPos, true ); 146cdf0e10cSrcweir } 147cdf0e10cSrcweir } 148cdf0e10cSrcweir 149cdf0e10cSrcweir /** Repaint sprite at original position 150cdf0e10cSrcweir 151cdf0e10cSrcweir Used for opaque updates from scrollUpdate(), which render 152cdf0e10cSrcweir directly to the front buffer. 153cdf0e10cSrcweir */ spriteRedrawStub3(OutputDevice & rOutDev,const::canvas::SpriteRedrawManager::AreaComponent & rComponent)154cdf0e10cSrcweir void spriteRedrawStub3( OutputDevice& rOutDev, 155cdf0e10cSrcweir const ::canvas::SpriteRedrawManager::AreaComponent& rComponent ) 156cdf0e10cSrcweir { 157cdf0e10cSrcweir const ::canvas::Sprite::Reference& rSprite( rComponent.second.getSprite() ); 158cdf0e10cSrcweir 159cdf0e10cSrcweir if( rSprite.is() ) 160cdf0e10cSrcweir { 161cdf0e10cSrcweir ::boost::polymorphic_downcast< Sprite* >( 162cdf0e10cSrcweir rSprite.get() )->redraw( rOutDev, 163cdf0e10cSrcweir false ); 164cdf0e10cSrcweir } 165cdf0e10cSrcweir } 166cdf0e10cSrcweir renderInfoText(OutputDevice & rOutDev,const::rtl::OUString & rStr,const Point & rPos)167cdf0e10cSrcweir void renderInfoText( OutputDevice& rOutDev, 168cdf0e10cSrcweir const ::rtl::OUString& rStr, 169cdf0e10cSrcweir const Point& rPos ) 170cdf0e10cSrcweir { 171cdf0e10cSrcweir Font aVCLFont; 172cdf0e10cSrcweir aVCLFont.SetHeight( 20 ); 173cdf0e10cSrcweir aVCLFont.SetColor( Color( INFO_COLOR ) ); 174cdf0e10cSrcweir 175cdf0e10cSrcweir rOutDev.SetTextAlign(ALIGN_TOP); 176cdf0e10cSrcweir rOutDev.SetTextColor( Color( INFO_COLOR ) ); 177cdf0e10cSrcweir rOutDev.SetFont( aVCLFont ); 178cdf0e10cSrcweir 179cdf0e10cSrcweir rOutDev.DrawText( rPos, rStr ); 180cdf0e10cSrcweir } 181cdf0e10cSrcweir 182cdf0e10cSrcweir } 183cdf0e10cSrcweir SpriteCanvasHelper()184cdf0e10cSrcweir SpriteCanvasHelper::SpriteCanvasHelper() : 185cdf0e10cSrcweir mpRedrawManager( NULL ), 186cdf0e10cSrcweir mpOwningSpriteCanvas( NULL ), 187cdf0e10cSrcweir maVDev(), 188cdf0e10cSrcweir maLastUpdate(), 189cdf0e10cSrcweir mbShowFrameInfo( false ), 190cdf0e10cSrcweir mbShowSpriteBounds( false ), 191cdf0e10cSrcweir mbIsUnsafeScrolling( false ) 192cdf0e10cSrcweir { 193cdf0e10cSrcweir #if defined(VERBOSE) && OSL_DEBUG_LEVEL > 0 194cdf0e10cSrcweir // inverse defaults for verbose debug mode 195cdf0e10cSrcweir mbShowSpriteBounds = mbShowFrameInfo = true; 196cdf0e10cSrcweir #endif 197cdf0e10cSrcweir } 198cdf0e10cSrcweir init(const OutDevProviderSharedPtr & rOutDev,SpriteCanvas & rOwningSpriteCanvas,::canvas::SpriteRedrawManager & rManager,bool bProtect,bool bHaveAlpha)199cdf0e10cSrcweir void SpriteCanvasHelper::init( const OutDevProviderSharedPtr& rOutDev, 200cdf0e10cSrcweir SpriteCanvas& rOwningSpriteCanvas, 201cdf0e10cSrcweir ::canvas::SpriteRedrawManager& rManager, 202cdf0e10cSrcweir bool bProtect, 203cdf0e10cSrcweir bool bHaveAlpha ) 204cdf0e10cSrcweir { 205cdf0e10cSrcweir mpOwningSpriteCanvas = &rOwningSpriteCanvas; 206cdf0e10cSrcweir mpRedrawManager = &rManager; 207cdf0e10cSrcweir 208cdf0e10cSrcweir CanvasHelper::init(rOwningSpriteCanvas,rOutDev,bProtect,bHaveAlpha); 209cdf0e10cSrcweir } 210cdf0e10cSrcweir disposing()211cdf0e10cSrcweir void SpriteCanvasHelper::disposing() 212cdf0e10cSrcweir { 213cdf0e10cSrcweir mpRedrawManager = NULL; 214cdf0e10cSrcweir mpOwningSpriteCanvas = NULL; 215cdf0e10cSrcweir 216cdf0e10cSrcweir // forward to base 217cdf0e10cSrcweir CanvasHelper::disposing(); 218cdf0e10cSrcweir } 219cdf0e10cSrcweir createSpriteFromAnimation(const uno::Reference<rendering::XAnimation> &)220cdf0e10cSrcweir uno::Reference< rendering::XAnimatedSprite > SpriteCanvasHelper::createSpriteFromAnimation( 221cdf0e10cSrcweir const uno::Reference< rendering::XAnimation >& ) 222cdf0e10cSrcweir { 223cdf0e10cSrcweir return uno::Reference< rendering::XAnimatedSprite >(); 224cdf0e10cSrcweir } 225cdf0e10cSrcweir createSpriteFromBitmaps(const uno::Sequence<uno::Reference<rendering::XBitmap>> &,sal_Int8)226cdf0e10cSrcweir uno::Reference< rendering::XAnimatedSprite > SpriteCanvasHelper::createSpriteFromBitmaps( 227cdf0e10cSrcweir const uno::Sequence< uno::Reference< rendering::XBitmap > >& , 228cdf0e10cSrcweir sal_Int8 ) 229cdf0e10cSrcweir { 230cdf0e10cSrcweir return uno::Reference< rendering::XAnimatedSprite >(); 231cdf0e10cSrcweir } 232cdf0e10cSrcweir createCustomSprite(const geometry::RealSize2D & spriteSize)233cdf0e10cSrcweir uno::Reference< rendering::XCustomSprite > SpriteCanvasHelper::createCustomSprite( const geometry::RealSize2D& spriteSize ) 234cdf0e10cSrcweir { 235cdf0e10cSrcweir if( !mpRedrawManager || !mpDevice ) 236cdf0e10cSrcweir return uno::Reference< rendering::XCustomSprite >(); // we're disposed 237cdf0e10cSrcweir 238cdf0e10cSrcweir return uno::Reference< rendering::XCustomSprite >( 239cdf0e10cSrcweir new CanvasCustomSprite( spriteSize, 240cdf0e10cSrcweir *mpDevice, 241cdf0e10cSrcweir mpOwningSpriteCanvas, 242cdf0e10cSrcweir mpOwningSpriteCanvas->getFrontBuffer(), 243cdf0e10cSrcweir mbShowSpriteBounds ) ); 244cdf0e10cSrcweir } 245cdf0e10cSrcweir createClonedSprite(const uno::Reference<rendering::XSprite> &)246cdf0e10cSrcweir uno::Reference< rendering::XSprite > SpriteCanvasHelper::createClonedSprite( const uno::Reference< rendering::XSprite >& ) 247cdf0e10cSrcweir { 248cdf0e10cSrcweir return uno::Reference< rendering::XSprite >(); 249cdf0e10cSrcweir } 250cdf0e10cSrcweir updateScreen(sal_Bool bUpdateAll,bool & io_bSurfaceDirty)251cdf0e10cSrcweir sal_Bool SpriteCanvasHelper::updateScreen( sal_Bool bUpdateAll, 252cdf0e10cSrcweir bool& io_bSurfaceDirty ) 253cdf0e10cSrcweir { 254cdf0e10cSrcweir if( !mpRedrawManager || 255cdf0e10cSrcweir !mpOwningSpriteCanvas || 256cdf0e10cSrcweir !mpOwningSpriteCanvas->getFrontBuffer() || 257cdf0e10cSrcweir !mpOwningSpriteCanvas->getBackBuffer() ) 258cdf0e10cSrcweir { 259cdf0e10cSrcweir return sal_False; // disposed, or otherwise dysfunctional 260cdf0e10cSrcweir } 261cdf0e10cSrcweir 262cdf0e10cSrcweir // commit to backbuffer 263cdf0e10cSrcweir flush(); 264cdf0e10cSrcweir 265cdf0e10cSrcweir OutputDevice& rOutDev( mpOwningSpriteCanvas->getFrontBuffer()->getOutDev() ); 266cdf0e10cSrcweir BackBufferSharedPtr pBackBuffer( mpOwningSpriteCanvas->getBackBuffer() ); 267cdf0e10cSrcweir OutputDevice& rBackOutDev( pBackBuffer->getOutDev() ); 268cdf0e10cSrcweir 269cdf0e10cSrcweir // actual OutputDevice is a shared resource - restore its 270cdf0e10cSrcweir // state when done. 271cdf0e10cSrcweir tools::OutDevStateKeeper aStateKeeper( rOutDev ); 272cdf0e10cSrcweir 273cdf0e10cSrcweir const Size aOutDevSize( rBackOutDev.GetOutputSizePixel() ); 274cdf0e10cSrcweir const Point aEmptyPoint(0,0); 275cdf0e10cSrcweir 276cdf0e10cSrcweir Window* pTargetWindow = NULL; 277cdf0e10cSrcweir if( rOutDev.GetOutDevType() == OUTDEV_WINDOW ) 278cdf0e10cSrcweir { 279cdf0e10cSrcweir pTargetWindow = &static_cast<Window&>(rOutDev); // TODO(Q3): Evil downcast. 280cdf0e10cSrcweir 281cdf0e10cSrcweir // we're double-buffered, thus no need for paint area-limiting 282cdf0e10cSrcweir // clips. besides that, will interfere with animations (as for 283cdf0e10cSrcweir // Window-invalidate repaints, only parts of the window will 284cdf0e10cSrcweir // be redrawn otherwise) 285cdf0e10cSrcweir const Region aFullWindowRegion( Rectangle(aEmptyPoint, 286cdf0e10cSrcweir aOutDevSize) ); 287cdf0e10cSrcweir pTargetWindow->ExpandPaintClipRegion(aFullWindowRegion); 288cdf0e10cSrcweir } 289cdf0e10cSrcweir 290cdf0e10cSrcweir // TODO(P1): Might be worthwile to track areas of background 291cdf0e10cSrcweir // changes, too. 292cdf0e10cSrcweir if( !bUpdateAll && !io_bSurfaceDirty ) 293cdf0e10cSrcweir { 294cdf0e10cSrcweir if( mbShowFrameInfo ) 295cdf0e10cSrcweir { 296cdf0e10cSrcweir // also repaint background below frame counter (fake 297cdf0e10cSrcweir // that as a sprite vanishing in this area) 298cdf0e10cSrcweir mpRedrawManager->updateSprite( ::canvas::Sprite::Reference(), 299cdf0e10cSrcweir ::basegfx::B2DPoint(), 300cdf0e10cSrcweir ::basegfx::B2DRectangle( 0.0, 0.0, 301cdf0e10cSrcweir FPS_BOUNDS.Right(), 302cdf0e10cSrcweir FPS_BOUNDS.Bottom() ) ); 303cdf0e10cSrcweir } 304cdf0e10cSrcweir 305cdf0e10cSrcweir // background has not changed, so we're free to optimize 306cdf0e10cSrcweir // repaint to areas where a sprite has changed 307cdf0e10cSrcweir 308cdf0e10cSrcweir // process each independent area of overlapping sprites 309cdf0e10cSrcweir // separately. 310cdf0e10cSrcweir mpRedrawManager->forEachSpriteArea( *this ); 311cdf0e10cSrcweir } 312cdf0e10cSrcweir else 313cdf0e10cSrcweir { 314cdf0e10cSrcweir // background has changed, so we currently have no choice 315cdf0e10cSrcweir // but repaint everything (or caller requested that) 316cdf0e10cSrcweir 317cdf0e10cSrcweir maVDev->SetOutputSizePixel( aOutDevSize ); 318cdf0e10cSrcweir maVDev->EnableMapMode( sal_False ); 319cdf0e10cSrcweir maVDev->DrawOutDev( aEmptyPoint, aOutDevSize, 320cdf0e10cSrcweir aEmptyPoint, aOutDevSize, 321cdf0e10cSrcweir rBackOutDev ); 322cdf0e10cSrcweir 323cdf0e10cSrcweir // repaint all active sprites on top of background into 324cdf0e10cSrcweir // VDev. 325cdf0e10cSrcweir mpRedrawManager->forEachSprite( 326cdf0e10cSrcweir ::boost::bind( 327cdf0e10cSrcweir &spriteRedraw, 328cdf0e10cSrcweir ::boost::ref( maVDev.get() ), 329cdf0e10cSrcweir _1 ) ); 330cdf0e10cSrcweir 331cdf0e10cSrcweir // flush to screen 332cdf0e10cSrcweir rOutDev.EnableMapMode( sal_False ); 333*5f27b83cSArmin Le Grand rOutDev.SetAntialiasing( ANTIALIASING_ENABLE_B2DDRAW ); 334cdf0e10cSrcweir rOutDev.SetClipRegion(); 335cdf0e10cSrcweir rOutDev.DrawOutDev( aEmptyPoint, aOutDevSize, 336cdf0e10cSrcweir aEmptyPoint, aOutDevSize, 337cdf0e10cSrcweir *maVDev ); 338cdf0e10cSrcweir } 339cdf0e10cSrcweir 340cdf0e10cSrcweir // change record vector must be cleared, for the next turn of 341cdf0e10cSrcweir // rendering and sprite changing 342cdf0e10cSrcweir mpRedrawManager->clearChangeRecords(); 343cdf0e10cSrcweir 344cdf0e10cSrcweir io_bSurfaceDirty = false; 345cdf0e10cSrcweir 346cdf0e10cSrcweir if( mbShowFrameInfo ) 347cdf0e10cSrcweir { 348cdf0e10cSrcweir renderFrameCounter( rOutDev ); 349cdf0e10cSrcweir renderSpriteCount( rOutDev ); 350cdf0e10cSrcweir renderMemUsage( rOutDev ); 351cdf0e10cSrcweir } 352cdf0e10cSrcweir 353cdf0e10cSrcweir #if defined(VERBOSE) && OSL_DEBUG_LEVEL > 0 354cdf0e10cSrcweir static ::canvas::tools::ElapsedTime aElapsedTime; 355cdf0e10cSrcweir 356cdf0e10cSrcweir // log time immediately after surface flip 357cdf0e10cSrcweir OSL_TRACE( "SpriteCanvasHelper::updateScreen(): flip done at %f", 358cdf0e10cSrcweir aElapsedTime.getElapsedTime() ); 359cdf0e10cSrcweir #endif 360cdf0e10cSrcweir 361cdf0e10cSrcweir // sync output with screen, to ensure that we don't queue up 362cdf0e10cSrcweir // render requests (calling code might rely on timing, 363cdf0e10cSrcweir // i.e. assume that things are visible on screen after 364cdf0e10cSrcweir // updateScreen() returns). 365cdf0e10cSrcweir if( pTargetWindow ) 366cdf0e10cSrcweir { 367cdf0e10cSrcweir // commit to screen 368cdf0e10cSrcweir pTargetWindow->Sync(); 369cdf0e10cSrcweir } 370cdf0e10cSrcweir 371cdf0e10cSrcweir return sal_True; 372cdf0e10cSrcweir } 373cdf0e10cSrcweir backgroundPaint(const::basegfx::B2DRange & rUpdateRect)374cdf0e10cSrcweir void SpriteCanvasHelper::backgroundPaint( const ::basegfx::B2DRange& rUpdateRect ) 375cdf0e10cSrcweir { 376cdf0e10cSrcweir ENSURE_OR_THROW( mpOwningSpriteCanvas && 377cdf0e10cSrcweir mpOwningSpriteCanvas->getBackBuffer() && 378cdf0e10cSrcweir mpOwningSpriteCanvas->getFrontBuffer(), 379cdf0e10cSrcweir "SpriteCanvasHelper::backgroundPaint(): NULL device pointer " ); 380cdf0e10cSrcweir 381cdf0e10cSrcweir OutputDevice& rOutDev( mpOwningSpriteCanvas->getFrontBuffer()->getOutDev() ); 382cdf0e10cSrcweir BackBufferSharedPtr pBackBuffer( mpOwningSpriteCanvas->getBackBuffer() ); 383cdf0e10cSrcweir OutputDevice& rBackOutDev( pBackBuffer->getOutDev() ); 384cdf0e10cSrcweir 385cdf0e10cSrcweir repaintBackground( rOutDev, rBackOutDev, rUpdateRect ); 386cdf0e10cSrcweir } 387cdf0e10cSrcweir scrollUpdate(const::basegfx::B2DRange & rMoveStart,const::basegfx::B2DRange & rMoveEnd,const::canvas::SpriteRedrawManager::UpdateArea & rUpdateArea)388cdf0e10cSrcweir void SpriteCanvasHelper::scrollUpdate( const ::basegfx::B2DRange& rMoveStart, 389cdf0e10cSrcweir const ::basegfx::B2DRange& rMoveEnd, 390cdf0e10cSrcweir const ::canvas::SpriteRedrawManager::UpdateArea& rUpdateArea ) 391cdf0e10cSrcweir { 392cdf0e10cSrcweir ENSURE_OR_THROW( mpOwningSpriteCanvas && 393cdf0e10cSrcweir mpOwningSpriteCanvas->getBackBuffer() && 394cdf0e10cSrcweir mpOwningSpriteCanvas->getFrontBuffer(), 395cdf0e10cSrcweir "SpriteCanvasHelper::scrollUpdate(): NULL device pointer " ); 396cdf0e10cSrcweir 397cdf0e10cSrcweir OutputDevice& rOutDev( mpOwningSpriteCanvas->getFrontBuffer()->getOutDev() ); 398cdf0e10cSrcweir BackBufferSharedPtr pBackBuffer( mpOwningSpriteCanvas->getBackBuffer() ); 399cdf0e10cSrcweir OutputDevice& rBackOutDev( pBackBuffer->getOutDev() ); 400cdf0e10cSrcweir 401cdf0e10cSrcweir const Size& rTargetSizePixel( rOutDev.GetOutputSizePixel() ); 402cdf0e10cSrcweir const ::basegfx::B2IRange aOutputBounds( 0,0, 403cdf0e10cSrcweir rTargetSizePixel.Width(), 404cdf0e10cSrcweir rTargetSizePixel.Height() ); 405cdf0e10cSrcweir 406cdf0e10cSrcweir // round rectangles to integer pixel. Note: have to be 407cdf0e10cSrcweir // extremely careful here, to avoid off-by-one errors for 408cdf0e10cSrcweir // the destination area: otherwise, the next scroll update 409cdf0e10cSrcweir // would copy pixel that are not supposed to be part of 410cdf0e10cSrcweir // the sprite. 411cdf0e10cSrcweir ::basegfx::B2IRange aSourceRect( 412cdf0e10cSrcweir ::canvas::tools::spritePixelAreaFromB2DRange( rMoveStart ) ); 413cdf0e10cSrcweir const ::basegfx::B2IRange& rDestRect( 414cdf0e10cSrcweir ::canvas::tools::spritePixelAreaFromB2DRange( rMoveEnd ) ); 415cdf0e10cSrcweir ::basegfx::B2IPoint aDestPos( rDestRect.getMinimum() ); 416cdf0e10cSrcweir 417cdf0e10cSrcweir ::std::vector< ::basegfx::B2IRange > aUnscrollableAreas; 418cdf0e10cSrcweir 419cdf0e10cSrcweir // Since strictly speaking, this scroll algorithm is plain 420cdf0e10cSrcweir // buggy, the scrolled area might actually lie _below_ another 421cdf0e10cSrcweir // window - we've made this feature configurable via 422cdf0e10cSrcweir // mbIsUnsafeScrolling. 423cdf0e10cSrcweir 424cdf0e10cSrcweir // clip to output bounds (cannot properly scroll stuff 425cdf0e10cSrcweir // _outside_ our screen area) 426cdf0e10cSrcweir if( !mbIsUnsafeScrolling || 427cdf0e10cSrcweir !::canvas::tools::clipScrollArea( aSourceRect, 428cdf0e10cSrcweir aDestPos, 429cdf0e10cSrcweir aUnscrollableAreas, 430cdf0e10cSrcweir aOutputBounds ) ) 431cdf0e10cSrcweir { 432cdf0e10cSrcweir // fully clipped scroll area: cannot simply scroll 433cdf0e10cSrcweir // then. Perform normal opaque update (can use that, since 434cdf0e10cSrcweir // one of the preconditions for scrollable update is 435cdf0e10cSrcweir // opaque sprite content) 436cdf0e10cSrcweir 437cdf0e10cSrcweir // repaint all affected sprites directly to output device 438cdf0e10cSrcweir ::std::for_each( rUpdateArea.maComponentList.begin(), 439cdf0e10cSrcweir rUpdateArea.maComponentList.end(), 440cdf0e10cSrcweir ::boost::bind( 441cdf0e10cSrcweir &spriteRedrawStub3, 442cdf0e10cSrcweir ::boost::ref( rOutDev ), 443cdf0e10cSrcweir _1 ) ); 444cdf0e10cSrcweir } 445cdf0e10cSrcweir else 446cdf0e10cSrcweir { 447cdf0e10cSrcweir // scroll rOutDev content 448cdf0e10cSrcweir rOutDev.CopyArea( ::vcl::unotools::pointFromB2IPoint( aDestPos ), 449cdf0e10cSrcweir ::vcl::unotools::pointFromB2IPoint( aSourceRect.getMinimum() ), 450cdf0e10cSrcweir // TODO(Q2): use numeric_cast to check range 451cdf0e10cSrcweir ::Size( static_cast<sal_Int32>(aSourceRect.getRange().getX()), 452cdf0e10cSrcweir static_cast<sal_Int32>(aSourceRect.getRange().getY()) ) ); 453cdf0e10cSrcweir 454cdf0e10cSrcweir const ::canvas::SpriteRedrawManager::SpriteConnectedRanges::ComponentListType::const_iterator 455cdf0e10cSrcweir aFirst( rUpdateArea.maComponentList.begin() ); 456cdf0e10cSrcweir ::canvas::SpriteRedrawManager::SpriteConnectedRanges::ComponentListType::const_iterator 457cdf0e10cSrcweir aSecond( aFirst ); ++aSecond; 458cdf0e10cSrcweir 459cdf0e10cSrcweir ENSURE_OR_THROW( aFirst->second.getSprite().is(), 460cdf0e10cSrcweir "VCLCanvas::scrollUpdate(): no sprite" ); 461cdf0e10cSrcweir 462cdf0e10cSrcweir // repaint uncovered areas from sprite. Need to actually 463cdf0e10cSrcweir // clip here, since we're only repainting _parts_ of the 464cdf0e10cSrcweir // sprite 465cdf0e10cSrcweir rOutDev.Push( PUSH_CLIPREGION ); 466cdf0e10cSrcweir ::std::for_each( aUnscrollableAreas.begin(), 467cdf0e10cSrcweir aUnscrollableAreas.end(), 468cdf0e10cSrcweir ::boost::bind( &opaqueUpdateSpriteArea, 469cdf0e10cSrcweir ::boost::cref(aFirst->second.getSprite()), 470cdf0e10cSrcweir ::boost::ref(rOutDev), 471cdf0e10cSrcweir _1 ) ); 472cdf0e10cSrcweir rOutDev.Pop(); 473cdf0e10cSrcweir } 474cdf0e10cSrcweir 475cdf0e10cSrcweir // repaint uncovered areas from backbuffer - take the 476cdf0e10cSrcweir // _rounded_ rectangles from above, to have the update 477cdf0e10cSrcweir // consistent with the scroll above. 478cdf0e10cSrcweir ::std::vector< ::basegfx::B2DRange > aUncoveredAreas; 479cdf0e10cSrcweir ::basegfx::computeSetDifference( aUncoveredAreas, 480cdf0e10cSrcweir rUpdateArea.maTotalBounds, 481cdf0e10cSrcweir ::basegfx::B2DRange( rDestRect ) ); 482cdf0e10cSrcweir ::std::for_each( aUncoveredAreas.begin(), 483cdf0e10cSrcweir aUncoveredAreas.end(), 484cdf0e10cSrcweir ::boost::bind( &repaintBackground, 485cdf0e10cSrcweir ::boost::ref(rOutDev), 486cdf0e10cSrcweir ::boost::ref(rBackOutDev), 487cdf0e10cSrcweir _1 ) ); 488cdf0e10cSrcweir } 489cdf0e10cSrcweir opaqueUpdate(const::basegfx::B2DRange & rTotalArea,const::std::vector<::canvas::Sprite::Reference> & rSortedUpdateSprites)490cdf0e10cSrcweir void SpriteCanvasHelper::opaqueUpdate( const ::basegfx::B2DRange& rTotalArea, 491cdf0e10cSrcweir const ::std::vector< ::canvas::Sprite::Reference >& rSortedUpdateSprites ) 492cdf0e10cSrcweir { 493cdf0e10cSrcweir (void)rTotalArea; 494cdf0e10cSrcweir 495cdf0e10cSrcweir ENSURE_OR_THROW( mpOwningSpriteCanvas && 496cdf0e10cSrcweir mpOwningSpriteCanvas->getBackBuffer() && 497cdf0e10cSrcweir mpOwningSpriteCanvas->getFrontBuffer(), 498cdf0e10cSrcweir "SpriteCanvasHelper::opaqueUpdate(): NULL device pointer " ); 499cdf0e10cSrcweir 500cdf0e10cSrcweir OutputDevice& rOutDev( mpOwningSpriteCanvas->getFrontBuffer()->getOutDev() ); 501cdf0e10cSrcweir 502cdf0e10cSrcweir // no need to clip output to actual update region - there will 503cdf0e10cSrcweir // always be ALL sprites contained in the rectangular update 504cdf0e10cSrcweir // area containd in rTotalArea (that's the way 505cdf0e10cSrcweir // B2DConnectedRanges work). If rTotalArea appears to be 506cdf0e10cSrcweir // smaller than the sprite - then this sprite carries a clip, 507cdf0e10cSrcweir // and the update will be constrained to that rect. 508cdf0e10cSrcweir 509cdf0e10cSrcweir // repaint all affected sprites directly to output device 510cdf0e10cSrcweir ::std::for_each( rSortedUpdateSprites.begin(), 511cdf0e10cSrcweir rSortedUpdateSprites.end(), 512cdf0e10cSrcweir ::boost::bind( 513cdf0e10cSrcweir &spriteRedrawStub, 514cdf0e10cSrcweir ::boost::ref( rOutDev ), 515cdf0e10cSrcweir _1 ) ); 516cdf0e10cSrcweir } 517cdf0e10cSrcweir genericUpdate(const::basegfx::B2DRange & rRequestedArea,const::std::vector<::canvas::Sprite::Reference> & rSortedUpdateSprites)518cdf0e10cSrcweir void SpriteCanvasHelper::genericUpdate( const ::basegfx::B2DRange& rRequestedArea, 519cdf0e10cSrcweir const ::std::vector< ::canvas::Sprite::Reference >& rSortedUpdateSprites ) 520cdf0e10cSrcweir { 521cdf0e10cSrcweir ENSURE_OR_THROW( mpOwningSpriteCanvas && 522cdf0e10cSrcweir mpOwningSpriteCanvas->getBackBuffer() && 523cdf0e10cSrcweir mpOwningSpriteCanvas->getFrontBuffer(), 524cdf0e10cSrcweir "SpriteCanvasHelper::genericUpdate(): NULL device pointer " ); 525cdf0e10cSrcweir 526cdf0e10cSrcweir OutputDevice& rOutDev( mpOwningSpriteCanvas->getFrontBuffer()->getOutDev() ); 527cdf0e10cSrcweir BackBufferSharedPtr pBackBuffer( mpOwningSpriteCanvas->getBackBuffer() ); 528cdf0e10cSrcweir OutputDevice& rBackOutDev( pBackBuffer->getOutDev() ); 529cdf0e10cSrcweir 530cdf0e10cSrcweir // limit size of update VDev to target outdev's size 531cdf0e10cSrcweir const Size& rTargetSizePixel( rOutDev.GetOutputSizePixel() ); 532cdf0e10cSrcweir 533cdf0e10cSrcweir // round output position towards zero. Don't want to truncate 534cdf0e10cSrcweir // a fraction of a sprite pixel... Clip position at origin, 535cdf0e10cSrcweir // otherwise, truncation of size below might leave visible 536cdf0e10cSrcweir // areas uncovered by VDev. 537cdf0e10cSrcweir const ::Point aOutputPosition( 538cdf0e10cSrcweir ::std::max( sal_Int32( 0 ), 539cdf0e10cSrcweir static_cast< sal_Int32 >(rRequestedArea.getMinX()) ), 540cdf0e10cSrcweir ::std::max( sal_Int32( 0 ), 541cdf0e10cSrcweir static_cast< sal_Int32 >(rRequestedArea.getMinY()) ) ); 542cdf0e10cSrcweir // round output size towards +infty. Don't want to truncate a 543cdf0e10cSrcweir // fraction of a sprite pixel... Limit coverage of VDev to 544cdf0e10cSrcweir // output device's area (i.e. not only to total size, but to 545cdf0e10cSrcweir // cover _only_ the visible parts). 546cdf0e10cSrcweir const ::Size aOutputSize( 547cdf0e10cSrcweir ::std::max( sal_Int32( 0 ), 548cdf0e10cSrcweir ::std::min( static_cast< sal_Int32 >(rTargetSizePixel.Width() - aOutputPosition.X()), 549cdf0e10cSrcweir ::canvas::tools::roundUp( rRequestedArea.getMaxX() - aOutputPosition.X() ))), 550cdf0e10cSrcweir ::std::max( sal_Int32( 0 ), 551cdf0e10cSrcweir ::std::min( static_cast< sal_Int32 >(rTargetSizePixel.Height() - aOutputPosition.Y()), 552cdf0e10cSrcweir ::canvas::tools::roundUp( rRequestedArea.getMaxY() - aOutputPosition.Y() )))); 553cdf0e10cSrcweir 554cdf0e10cSrcweir // early exit for empty output area. 555cdf0e10cSrcweir if( aOutputSize.Width() == 0 && 556cdf0e10cSrcweir aOutputSize.Height() == 0 ) 557cdf0e10cSrcweir { 558cdf0e10cSrcweir return; 559cdf0e10cSrcweir } 560cdf0e10cSrcweir 561cdf0e10cSrcweir const Point aEmptyPoint(0,0); 562cdf0e10cSrcweir const Size aCurrOutputSize( maVDev->GetOutputSizePixel() ); 563cdf0e10cSrcweir 564cdf0e10cSrcweir // adapt maVDev's size to the area that actually needs the 565cdf0e10cSrcweir // repaint. 566cdf0e10cSrcweir if( aCurrOutputSize.Width() < aOutputSize.Width() || 567cdf0e10cSrcweir aCurrOutputSize.Height() < aOutputSize.Height() ) 568cdf0e10cSrcweir { 569cdf0e10cSrcweir // TODO(P1): Come up with a clever tactic to reduce maVDev 570cdf0e10cSrcweir // from time to time. Reduction with threshold (say, if 571cdf0e10cSrcweir // maVDev is more than twice too large) is not wise, as 572cdf0e10cSrcweir // this might then toggle within the same updateScreen(), 573cdf0e10cSrcweir // but for different disjunct sprite areas. 574cdf0e10cSrcweir maVDev->SetOutputSizePixel( aOutputSize ); 575cdf0e10cSrcweir } 576cdf0e10cSrcweir 577cdf0e10cSrcweir // paint background 578cdf0e10cSrcweir maVDev->EnableMapMode( sal_False ); 579*5f27b83cSArmin Le Grand maVDev->SetAntialiasing( ANTIALIASING_ENABLE_B2DDRAW ); 580cdf0e10cSrcweir maVDev->SetClipRegion(); 581cdf0e10cSrcweir maVDev->DrawOutDev( aEmptyPoint, aOutputSize, 582cdf0e10cSrcweir aOutputPosition, aOutputSize, 583cdf0e10cSrcweir rBackOutDev ); 584cdf0e10cSrcweir 585cdf0e10cSrcweir // repaint all affected sprites on top of background into 586cdf0e10cSrcweir // VDev. 587cdf0e10cSrcweir ::std::for_each( rSortedUpdateSprites.begin(), 588cdf0e10cSrcweir rSortedUpdateSprites.end(), 589cdf0e10cSrcweir ::boost::bind( &spriteRedrawStub2, 590cdf0e10cSrcweir ::boost::ref( maVDev.get() ), 591cdf0e10cSrcweir ::boost::cref( 592cdf0e10cSrcweir ::vcl::unotools::b2DPointFromPoint(aOutputPosition)), 593cdf0e10cSrcweir _1 ) ); 594cdf0e10cSrcweir 595cdf0e10cSrcweir // flush to screen 596cdf0e10cSrcweir rOutDev.EnableMapMode( sal_False ); 597*5f27b83cSArmin Le Grand rOutDev.SetAntialiasing( ANTIALIASING_ENABLE_B2DDRAW ); 598cdf0e10cSrcweir rOutDev.DrawOutDev( aOutputPosition, aOutputSize, 599cdf0e10cSrcweir aEmptyPoint, aOutputSize, 600cdf0e10cSrcweir *maVDev ); 601cdf0e10cSrcweir } 602cdf0e10cSrcweir renderFrameCounter(OutputDevice & rOutDev)603cdf0e10cSrcweir void SpriteCanvasHelper::renderFrameCounter( OutputDevice& rOutDev ) 604cdf0e10cSrcweir { 605cdf0e10cSrcweir const double denominator( maLastUpdate.getElapsedTime() ); 606cdf0e10cSrcweir maLastUpdate.reset(); 607cdf0e10cSrcweir 608cdf0e10cSrcweir ::rtl::OUString text( ::rtl::math::doubleToUString( denominator == 0.0 ? 100.0 : 1.0/denominator, 609cdf0e10cSrcweir rtl_math_StringFormat_F, 610cdf0e10cSrcweir 2,'.',NULL,' ') ); 611cdf0e10cSrcweir 612cdf0e10cSrcweir // pad with leading space 613cdf0e10cSrcweir while( text.getLength() < 6 ) 614cdf0e10cSrcweir text = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM (" ")) + text; 615cdf0e10cSrcweir 616cdf0e10cSrcweir text += ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM (" fps")); 617cdf0e10cSrcweir 618cdf0e10cSrcweir renderInfoText( rOutDev, 619cdf0e10cSrcweir text, 620cdf0e10cSrcweir Point(0, 0) ); 621cdf0e10cSrcweir } 622cdf0e10cSrcweir 623cdf0e10cSrcweir namespace 624cdf0e10cSrcweir { 625cdf0e10cSrcweir template< typename T > struct Adder 626cdf0e10cSrcweir { 627cdf0e10cSrcweir typedef void result_type; 628cdf0e10cSrcweir Addervclcanvas::__anonb5a613490211::Adder629cdf0e10cSrcweir Adder( T& rAdderTarget, 630cdf0e10cSrcweir T nIncrement ) : 631cdf0e10cSrcweir mpTarget( &rAdderTarget ), 632cdf0e10cSrcweir mnIncrement( nIncrement ) 633cdf0e10cSrcweir { 634cdf0e10cSrcweir } 635cdf0e10cSrcweir operator ()vclcanvas::__anonb5a613490211::Adder636cdf0e10cSrcweir void operator()() { *mpTarget += mnIncrement; } operator ()vclcanvas::__anonb5a613490211::Adder637cdf0e10cSrcweir void operator()( const ::canvas::Sprite::Reference& ) { *mpTarget += mnIncrement; } operator ()vclcanvas::__anonb5a613490211::Adder638cdf0e10cSrcweir void operator()( T nIncrement ) { *mpTarget += nIncrement; } 639cdf0e10cSrcweir 640cdf0e10cSrcweir T* mpTarget; 641cdf0e10cSrcweir T mnIncrement; 642cdf0e10cSrcweir }; 643cdf0e10cSrcweir makeAdder(T & rAdderTarget,T nIncrement)644cdf0e10cSrcweir template< typename T> Adder<T> makeAdder( T& rAdderTarget, 645cdf0e10cSrcweir T nIncrement ) 646cdf0e10cSrcweir { 647cdf0e10cSrcweir return Adder<T>(rAdderTarget, nIncrement); 648cdf0e10cSrcweir } 649cdf0e10cSrcweir } 650cdf0e10cSrcweir renderSpriteCount(OutputDevice & rOutDev)651cdf0e10cSrcweir void SpriteCanvasHelper::renderSpriteCount( OutputDevice& rOutDev ) 652cdf0e10cSrcweir { 653cdf0e10cSrcweir if( mpRedrawManager ) 654cdf0e10cSrcweir { 655cdf0e10cSrcweir sal_Int32 nCount(0); 656cdf0e10cSrcweir 657cdf0e10cSrcweir mpRedrawManager->forEachSprite( makeAdder(nCount,sal_Int32(1)) ); 658cdf0e10cSrcweir ::rtl::OUString text( 659cdf0e10cSrcweir ::rtl::OUString::valueOf( 660cdf0e10cSrcweir // disambiguate overload... 661cdf0e10cSrcweir static_cast<sal_Int64>(nCount) ) ); 662cdf0e10cSrcweir 663cdf0e10cSrcweir // pad with leading space 664cdf0e10cSrcweir while( text.getLength() < 3 ) 665cdf0e10cSrcweir text = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM (" ")) + text; 666cdf0e10cSrcweir 667cdf0e10cSrcweir text = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM ("Sprites: ")) + text; 668cdf0e10cSrcweir 669cdf0e10cSrcweir renderInfoText( rOutDev, 670cdf0e10cSrcweir text, 671cdf0e10cSrcweir Point(0, 30) ); 672cdf0e10cSrcweir } 673cdf0e10cSrcweir } 674cdf0e10cSrcweir renderMemUsage(OutputDevice & rOutDev)675cdf0e10cSrcweir void SpriteCanvasHelper::renderMemUsage( OutputDevice& rOutDev ) 676cdf0e10cSrcweir { 677cdf0e10cSrcweir BackBufferSharedPtr pBackBuffer( mpOwningSpriteCanvas->getBackBuffer() ); 678cdf0e10cSrcweir 679cdf0e10cSrcweir if( mpRedrawManager && 680cdf0e10cSrcweir pBackBuffer ) 681cdf0e10cSrcweir { 682cdf0e10cSrcweir double nPixel(0.0); 683cdf0e10cSrcweir 684cdf0e10cSrcweir // accumulate pixel count for each sprite into fCount 685cdf0e10cSrcweir mpRedrawManager->forEachSprite( ::boost::bind( 686cdf0e10cSrcweir makeAdder(nPixel,1.0), 687cdf0e10cSrcweir ::boost::bind( 688cdf0e10cSrcweir &calcNumPixel, 689cdf0e10cSrcweir _1 ) ) ); 690cdf0e10cSrcweir 691cdf0e10cSrcweir static const int NUM_VIRDEV(2); 692cdf0e10cSrcweir static const int BYTES_PER_PIXEL(3); 693cdf0e10cSrcweir 694cdf0e10cSrcweir const Size& rVDevSize( maVDev->GetOutputSizePixel() ); 695cdf0e10cSrcweir const Size& rBackBufferSize( pBackBuffer->getOutDev().GetOutputSizePixel() ); 696cdf0e10cSrcweir 697cdf0e10cSrcweir const double nMemUsage( nPixel * NUM_VIRDEV * BYTES_PER_PIXEL + 698cdf0e10cSrcweir rVDevSize.Width()*rVDevSize.Height() * BYTES_PER_PIXEL + 699cdf0e10cSrcweir rBackBufferSize.Width()*rBackBufferSize.Height() * BYTES_PER_PIXEL ); 700cdf0e10cSrcweir 701cdf0e10cSrcweir ::rtl::OUString text( ::rtl::math::doubleToUString( nMemUsage / 1048576.0, 702cdf0e10cSrcweir rtl_math_StringFormat_F, 703cdf0e10cSrcweir 2,'.',NULL,' ') ); 704cdf0e10cSrcweir 705cdf0e10cSrcweir // pad with leading space 706cdf0e10cSrcweir while( text.getLength() < 4 ) 707cdf0e10cSrcweir text = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM (" ")) + text; 708cdf0e10cSrcweir 709cdf0e10cSrcweir text = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM ("Mem: ")) + 710cdf0e10cSrcweir text + 711cdf0e10cSrcweir ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM ("MB")); 712cdf0e10cSrcweir 713cdf0e10cSrcweir renderInfoText( rOutDev, 714cdf0e10cSrcweir text, 715cdf0e10cSrcweir Point(0, 60) ); 716cdf0e10cSrcweir } 717cdf0e10cSrcweir } 718cdf0e10cSrcweir } 719