LCOV - code coverage report
Current view: top level - svtools/source/graphic - grfmgr2.cxx (source / functions) Hit Total Coverage
Test: commit 10e77ab3ff6f4314137acd6e2702a6e5c1ce1fae Lines: 53 918 5.8 %
Date: 2014-11-03 Functions: 15 34 44.1 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  *
       9             :  * This file incorporates work covered by the following license notice:
      10             :  *
      11             :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12             :  *   contributor license agreements. See the NOTICE file distributed
      13             :  *   with this work for additional information regarding copyright
      14             :  *   ownership. The ASF licenses this file to you under the Apache
      15             :  *   License, Version 2.0 (the "License"); you may not use this file
      16             :  *   except in compliance with the License. You may obtain a copy of
      17             :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18             :  */
      19             : 
      20             : #include <sal/config.h>
      21             : 
      22             : #include <cstdlib>
      23             : 
      24             : #include <vcl/bmpacc.hxx>
      25             : #include <tools/poly.hxx>
      26             : #include <vcl/outdev.hxx>
      27             : #include <vcl/window.hxx>
      28             : #include <vcl/gdimtf.hxx>
      29             : #include <vcl/metaact.hxx>
      30             : #include <vcl/metric.hxx>
      31             : #include <vcl/animate.hxx>
      32             : #include <vcl/alpha.hxx>
      33             : #include <vcl/virdev.hxx>
      34             : #include "grfcache.hxx"
      35             : #include <svtools/grfmgr.hxx>
      36             : #include <boost/scoped_array.hpp>
      37             : #include <boost/unordered_map.hpp>
      38             : 
      39             : // - defines -
      40             : 
      41             : 
      42             : #define WATERMARK_LUM_OFFSET        50
      43             : #define WATERMARK_CON_OFFSET        -70
      44             : #define MAP( cVal0, cVal1, nFrac )  ((sal_uInt8)((((long)(cVal0)<<20L)+nFrac*((long)(cVal1)-(cVal0)))>>20L))
      45             : 
      46             : 
      47             : // - GraphicManager -
      48             : 
      49             : 
      50         226 : GraphicManager::GraphicManager( sal_uLong nCacheSize, sal_uLong nMaxObjCacheSize ) :
      51         226 :         mpCache( new GraphicCache( nCacheSize, nMaxObjCacheSize ) )
      52             : {
      53         226 : }
      54             : 
      55         180 : GraphicManager::~GraphicManager()
      56             : {
      57          90 :     for( size_t i = 0, n = maObjList.size(); i < n; ++i )
      58           0 :         maObjList[ i ]->GraphicManagerDestroyed();
      59             : 
      60          90 :     delete mpCache;
      61          90 : }
      62             : 
      63           0 : void GraphicManager::SetMaxCacheSize( sal_uLong nNewCacheSize )
      64             : {
      65           0 :     mpCache->SetMaxDisplayCacheSize( nNewCacheSize );
      66           0 : }
      67             : 
      68        2746 : sal_uLong GraphicManager::GetMaxCacheSize() const
      69             : {
      70        2746 :     return mpCache->GetMaxDisplayCacheSize();
      71             : }
      72             : 
      73           0 : void GraphicManager::SetMaxObjCacheSize( sal_uLong nNewMaxObjSize, bool bDestroyGreaterCached )
      74             : {
      75           0 :     mpCache->SetMaxObjDisplayCacheSize( nNewMaxObjSize, bDestroyGreaterCached );
      76           0 : }
      77             : 
      78         226 : void GraphicManager::SetCacheTimeout( sal_uLong nTimeoutSeconds )
      79             : {
      80         226 :     mpCache->SetCacheTimeout( nTimeoutSeconds );
      81         226 : }
      82             : 
      83         162 : void GraphicManager::ReleaseFromCache( const GraphicObject& /*rObj*/ )
      84             : {
      85             :     // !!!
      86         162 : }
      87             : 
      88           4 : bool GraphicManager::IsInCache( OutputDevice* pOut, const Point& rPt,
      89             :                                     const Size& rSz, const GraphicObject& rObj,
      90             :                                     const GraphicAttr& rAttr ) const
      91             : {
      92           4 :     return mpCache->IsInDisplayCache( pOut, rPt, rSz, rObj, rAttr );
      93             : }
      94             : 
      95           0 : bool GraphicManager::DrawObj( OutputDevice* pOut, const Point& rPt, const Size& rSz,
      96             :                               GraphicObject& rObj, const GraphicAttr& rAttr,
      97             :                               const sal_uLong nFlags, bool& rCached )
      98             : {
      99           0 :     Point   aPt( rPt );
     100           0 :     Size    aSz( rSz );
     101           0 :     bool    bRet = false;
     102             : 
     103           0 :     rCached = false;
     104             : 
     105           0 :     if( ( rObj.GetType() == GRAPHIC_BITMAP ) || ( rObj.GetType() == GRAPHIC_GDIMETAFILE ) )
     106             :     {
     107             :         // create output and fill cache
     108             : 
     109           0 :         if( rObj.IsAnimated() || ( pOut->GetOutDevType() == OUTDEV_PRINTER ) ||
     110           0 :             ( !( nFlags & GRFMGR_DRAW_NO_SUBSTITUTE ) &&
     111           0 :               ( ( nFlags & GRFMGR_DRAW_SUBSTITUTE ) ||
     112           0 :                 !( nFlags & GRFMGR_DRAW_CACHED ) ||
     113           0 :                 ( pOut->GetConnectMetaFile() && !pOut->IsOutputEnabled() ) ) ) )
     114             :         {
     115             :             // simple output of transformed graphic
     116           0 :             const Graphic aGraphic( rObj.GetTransformedGraphic( &rAttr ) );
     117             : 
     118           0 :             if( aGraphic.IsSupportedGraphic() )
     119             :             {
     120           0 :                 const sal_uInt16 nRot10 = rAttr.GetRotation() % 3600;
     121             : 
     122           0 :                 if( nRot10 )
     123             :                 {
     124           0 :                     Polygon aPoly( Rectangle( aPt, aSz ) );
     125             : 
     126           0 :                     aPoly.Rotate( aPt, nRot10 );
     127           0 :                     const Rectangle aRotBoundRect( aPoly.GetBoundRect() );
     128           0 :                     aPt = aRotBoundRect.TopLeft();
     129           0 :                     aSz = aRotBoundRect.GetSize();
     130             :                 }
     131             : 
     132           0 :                 aGraphic.Draw( pOut, aPt, aSz );
     133             :             }
     134             : 
     135           0 :             bRet = true;
     136             :         }
     137             : 
     138           0 :         if( !bRet )
     139             :         {
     140             :             // cached/direct drawing
     141           0 :             if( !mpCache->DrawDisplayCacheObj( pOut, aPt, aSz, rObj, rAttr ) )
     142           0 :                 bRet = ImplDraw( pOut, aPt, aSz, rObj, rAttr, nFlags, rCached );
     143             :             else
     144           0 :                 bRet = rCached = true;
     145             :         }
     146             :     }
     147             : 
     148           0 :     return bRet;
     149             : }
     150             : 
     151       35257 : void GraphicManager::ImplRegisterObj( const GraphicObject& rObj, Graphic& rSubstitute,
     152             :                                       const OString* pID, const GraphicObject* pCopyObj )
     153             : {
     154             :     assert(std::find(maObjList.begin(), maObjList.end(),
     155             :                const_cast<GraphicObject*>(&rObj)) == maObjList.end());
     156             : 
     157       35257 :     maObjList.push_back( (GraphicObject*)&rObj );
     158       35257 :     mpCache->AddGraphicObject( rObj, rSubstitute, pID, pCopyObj );
     159       35257 : }
     160             : 
     161       35044 : void GraphicManager::ImplUnregisterObj( const GraphicObject& rObj )
     162             : {
     163       35044 :     mpCache->ReleaseGraphicObject( rObj );
     164      266254 :     for( GraphicObjectList_impl::iterator it = maObjList.begin(); it != maObjList.end(); ++it )
     165             :     {
     166      266254 :         if ( *it == &rObj ) {
     167       35044 :             maObjList.erase( it );
     168       70088 :             return;
     169             :         }
     170             :     }
     171             :     assert(false); // surely it should have been registered?
     172             : }
     173             : 
     174         184 : void GraphicManager::ImplGraphicObjectWasSwappedOut( const GraphicObject& rObj )
     175             : {
     176         184 :     mpCache->GraphicObjectWasSwappedOut( rObj );
     177         184 : }
     178             : 
     179        3598 : OString GraphicManager::ImplGetUniqueID( const GraphicObject& rObj ) const
     180             : {
     181        3598 :     return mpCache->GetUniqueID( rObj );
     182             : }
     183             : 
     184             : namespace
     185             : {
     186             :     struct simpleSortByDataChangeTimeStamp
     187             :     {
     188           0 :         bool operator() (GraphicObject* p1, GraphicObject* p2) const
     189             :         {
     190           0 :             return p1->GetDataChangeTimeStamp() < p2->GetDataChangeTimeStamp();
     191             :         }
     192             :     };
     193             : } // end of anonymous namespace
     194             : 
     195        2746 : void GraphicManager::ImplCheckSizeOfSwappedInGraphics()
     196             : {
     197             :     // get the currently used memory footprint of all swapped in bitmap graphics
     198             :     // of this graphic manager. Remember candidates in a vector. The size in bytes is
     199             :     // already available, thus this loop is not expensive to execute
     200        2746 :     sal_uLong nUsedSize(0);
     201        2746 :     GraphicObject* pObj = 0;
     202        2746 :     std::vector< GraphicObject* > aCandidates;
     203        5492 :     boost::unordered_map<GraphicObject *, size_t> sizes;
     204             : 
     205       30702 :     for (size_t i = 0, n = maObjList.size(); i < n; ++i)
     206             :     {
     207       27956 :         pObj = maObjList[i];
     208       27956 :         if (pObj->meType == GRAPHIC_BITMAP && !pObj->IsSwappedOut() && pObj->GetSizeBytes())
     209             :         {
     210       14192 :             aCandidates.push_back(pObj);
     211       14192 :             size_t const nSize = pObj->GetSizeBytes();
     212       14192 :             nUsedSize += nSize;
     213       14192 :             sizes.insert(std::make_pair(pObj, nSize));
     214             :         }
     215             :     }
     216             : 
     217             :     // detect maximum allowed memory footprint. Use the user-settings of MaxCacheSize (defaulted
     218             :     // to 20MB) and add a decent multiplicator (experimented to find one). Limit to
     219             :     // a useful maximum for 32Bit address space
     220             : 
     221             :     // default is 20MB, so allow 200MB initially
     222             :     static sal_uLong aMultiplicator(10);
     223             : 
     224             :     // max at 500MB; I experimented with 800 for debug and 750 for non-debug settings (pics start
     225             :     // missing when office reaches a mem footprint of 1.5GB) but some secure left over space for
     226             :     // app activity is needed
     227             :     static sal_uLong aMaxSize32Bit(500 * 1024 * 1024);
     228             : 
     229             :     // calc max allowed cache size
     230        2746 :     const sal_uLong nMaxCacheSize(::std::min(GetMaxCacheSize() * aMultiplicator, aMaxSize32Bit));
     231             : 
     232        2746 :     if(nUsedSize >= nMaxCacheSize && !aCandidates.empty())
     233             :     {
     234             :         // if we use more currently, sort by last DataChangeTimeStamp
     235             :         // sort by DataChangeTimeStamp so that the oldest get removed first
     236           0 :         ::std::sort(aCandidates.begin(), aCandidates.end(), simpleSortByDataChangeTimeStamp());
     237             : 
     238           0 :         for(sal_uInt32 a(0); nUsedSize >= nMaxCacheSize && a < aCandidates.size(); a++)
     239             :         {
     240             :             // swap out until we have no more or the goal to use less than nMaxCacheSize
     241             :             // is reached
     242           0 :             pObj = aCandidates[a];
     243           0 :             if (std::find(maObjList.begin(), maObjList.end(), pObj) == maObjList.end())
     244             :             {
     245             :                 // object has been deleted when swapping out another one
     246           0 :                 nUsedSize = (sizes[pObj] < nUsedSize) ? nUsedSize - sizes[pObj] : 0;
     247           0 :                 continue;
     248             :             }
     249           0 :             const sal_uLong nSizeBytes(pObj->GetSizeBytes());
     250             : 
     251             :             // do not swap out when we have less than 16KB data objects
     252           0 :             if(nSizeBytes >= (16 * 1024))
     253             :             {
     254           0 :                 pObj->FireSwapOutRequest();
     255           0 :                 nUsedSize = (nSizeBytes < nUsedSize) ? nUsedSize - nSizeBytes : 0;
     256             :             }
     257             :         }
     258        2746 :     }
     259        2746 : }
     260             : 
     261          92 : bool GraphicManager::ImplFillSwappedGraphicObject( const GraphicObject& rObj, Graphic& rSubstitute )
     262             : {
     263          92 :     return mpCache->FillSwappedGraphicObject(rObj, rSubstitute);
     264             : }
     265             : 
     266          48 : void GraphicManager::ImplGraphicObjectWasSwappedIn( const GraphicObject& rObj )
     267             : {
     268          48 :     mpCache->GraphicObjectWasSwappedIn( rObj );
     269          48 : }
     270             : 
     271           0 : bool GraphicManager::ImplDraw( OutputDevice* pOut, const Point& rPt,
     272             :                                const Size& rSz, GraphicObject& rObj,
     273             :                                const GraphicAttr& rAttr,
     274             :                                const sal_uLong nFlags, bool& rCached )
     275             : {
     276           0 :     const Graphic&  rGraphic = rObj.GetGraphic();
     277           0 :     bool            bRet = false;
     278             : 
     279           0 :     if( rGraphic.IsSupportedGraphic() && !rGraphic.IsSwapOut() )
     280             :     {
     281           0 :         if( GRAPHIC_BITMAP == rGraphic.GetType() )
     282             :         {
     283           0 :             const BitmapEx aSrcBmpEx( rGraphic.GetBitmapEx() );
     284             : 
     285             :             // #i46805# No point in caching a bitmap that is rendered
     286             :             // via RectFill on the OutDev
     287           0 :             if( !(pOut->GetDrawMode() & ( DRAWMODE_BLACKBITMAP | DRAWMODE_WHITEBITMAP )) &&
     288           0 :                 mpCache->IsDisplayCacheable( pOut, rPt, rSz, rObj, rAttr ) )
     289             :             {
     290           0 :                 BitmapEx aDstBmpEx;
     291             : 
     292           0 :                 if( ImplCreateOutput( pOut, rPt, rSz, aSrcBmpEx, rAttr, nFlags, &aDstBmpEx ) )
     293             :                 {
     294           0 :                     rCached = mpCache->CreateDisplayCacheObj( pOut, rPt, rSz, rObj, rAttr, aDstBmpEx );
     295           0 :                     bRet = true;
     296           0 :                 }
     297             :             }
     298             : 
     299           0 :             if( !bRet )
     300           0 :                 bRet = ImplCreateOutput( pOut, rPt, rSz, aSrcBmpEx, rAttr, nFlags );
     301             :         }
     302             :         else
     303             :         {
     304           0 :             const GDIMetaFile& rSrcMtf = rGraphic.GetGDIMetaFile();
     305             : 
     306           0 :             if( mpCache->IsDisplayCacheable( pOut, rPt, rSz, rObj, rAttr ) )
     307             :             {
     308           0 :                 GDIMetaFile aDstMtf;
     309           0 :                 BitmapEx    aContainedBmpEx;
     310             : 
     311           0 :                 if( ImplCreateOutput( pOut, rPt, rSz, rSrcMtf, rAttr, nFlags, aDstMtf, aContainedBmpEx ) )
     312             :                 {
     313           0 :                     if( !!aContainedBmpEx )
     314             :                     {
     315             :                         // Use bitmap output method, if metafile basically contains only a single
     316             :                         // bitmap (allows caching the resulting pixmap).
     317           0 :                         BitmapEx aDstBmpEx;
     318             : 
     319           0 :                         if( ImplCreateOutput( pOut, rPt, rSz, aContainedBmpEx, rAttr, nFlags, &aDstBmpEx ) )
     320             :                         {
     321           0 :                             rCached = mpCache->CreateDisplayCacheObj( pOut, rPt, rSz, rObj, rAttr, aDstBmpEx );
     322           0 :                             bRet = true;
     323           0 :                         }
     324             :                     }
     325             :                     else
     326             :                     {
     327           0 :                         rCached = mpCache->CreateDisplayCacheObj( pOut, rPt, rSz, rObj, rAttr, aDstMtf );
     328           0 :                         bRet = true;
     329             :                     }
     330           0 :                 }
     331             :             }
     332             : 
     333           0 :             if( !bRet )
     334             :             {
     335           0 :                 const Graphic aGraphic( rObj.GetTransformedGraphic( &rAttr ) );
     336             : 
     337           0 :                 if( aGraphic.IsSupportedGraphic() )
     338             :                 {
     339           0 :                     aGraphic.Draw( pOut, rPt, rSz );
     340           0 :                     bRet = true;
     341           0 :                 }
     342             :             }
     343             :         }
     344             :     }
     345             : 
     346           0 :     return bRet;
     347             : }
     348             : 
     349           0 : bool ImplCreateRotatedScaled( const BitmapEx& rBmpEx, const GraphicAttr& rAttributes,
     350             :                                 sal_uInt16 nRot10, const Size& rUnrotatedSzPix,
     351             :                                 long nStartX, long nEndX, long nStartY, long nEndY,
     352             :                                 BitmapEx& rOutBmpEx )
     353             : {
     354           0 :     const long  aUnrotatedWidth  = rUnrotatedSzPix.Width();
     355           0 :     const long  aUnrotatedHeight = rUnrotatedSzPix.Height();
     356           0 :     const long  aBitmapWidth  = rBmpEx.GetSizePixel().Width();
     357           0 :     const long  aBitmapHeight = rBmpEx.GetSizePixel().Height();
     358             : 
     359             :     long    nX, nY, nTmpX, nTmpY, nTmpFX, nTmpFY, nTmp;
     360             :     double  fTmp;
     361             : 
     362           0 :     bool    bHMirr = ( rAttributes.GetMirrorFlags() & BMP_MIRROR_HORZ ) != 0;
     363           0 :     bool    bVMirr = ( rAttributes.GetMirrorFlags() & BMP_MIRROR_VERT ) != 0;
     364             : 
     365           0 :     boost::scoped_array<long> pMapIX(new long[ aUnrotatedWidth ]);
     366           0 :     boost::scoped_array<long> pMapFX(new long[ aUnrotatedWidth ]);
     367           0 :     boost::scoped_array<long> pMapIY(new long[ aUnrotatedHeight ]);
     368           0 :     boost::scoped_array<long> pMapFY(new long[ aUnrotatedHeight ]);
     369             : 
     370             :     double fRevScaleX;
     371             :     double fRevScaleY;
     372             : 
     373           0 :     bool scaleByAveraging = false;
     374             :     int x,y;
     375             : 
     376           0 :     if(aBitmapWidth > 1 && aUnrotatedWidth > 1)
     377             :     {
     378           0 :         fRevScaleX = (double) ( aBitmapWidth  - 1 ) / (double)( aUnrotatedWidth  - 1 );
     379             :         // create horizontal mapping table
     380           0 :         for( x = 0, nTmpX = aBitmapWidth - 1L, nTmp = aBitmapWidth - 2L >= 0 ? aBitmapWidth -2L : 0L; x < aUnrotatedWidth; x++ )
     381             :         {
     382           0 :             fTmp = x * fRevScaleX;
     383             : 
     384           0 :             if( bHMirr )
     385           0 :                 fTmp = nTmpX - fTmp;
     386             : 
     387           0 :             pMapIX[ x ] = MinMax( fTmp, 0, nTmp );
     388           0 :             pMapFX[ x ] = (long) ( ( fTmp - pMapIX[ x ] ) * 1048576.0 );
     389             :         }
     390           0 :         scaleByAveraging |= fRevScaleX > 5.0/3.0;
     391             :     }
     392             :     else
     393             :     {
     394           0 :         if(aBitmapWidth == 1)
     395             :         {
     396           0 :             fRevScaleX = 1.0 / (double)( aUnrotatedWidth );
     397           0 :             for ( x = 0; x < aUnrotatedWidth ; x++)
     398             :             {
     399           0 :                 pMapIX[x] = 0;
     400           0 :                 pMapFX[x] = 0;
     401             :             }
     402           0 :             scaleByAveraging = true;
     403             :         }
     404             :         else
     405             :         {
     406           0 :             fRevScaleX = (double) aBitmapWidth / (double)( aUnrotatedWidth);
     407           0 :             fTmp = (double)aBitmapWidth / 2.0;
     408             : 
     409           0 :             pMapIX[ 0 ] = (long)fTmp;
     410           0 :             pMapFX[ 0 ] = (long)( ( fTmp - pMapIX[ 0 ] ) * 1048576.0 );
     411           0 :             scaleByAveraging = true;
     412             :         }
     413             :     }
     414           0 :     if(aBitmapHeight > 1 && aUnrotatedHeight > 1)
     415             :     {
     416           0 :         fRevScaleY = (double) ( aBitmapHeight  - 1 ) / (double)( aUnrotatedHeight - 1 );
     417             :         // create vertical mapping table
     418           0 :         for( y = 0, nTmpY = aBitmapHeight - 1L, nTmp = aBitmapHeight - 2L >= 0 ? aBitmapHeight - 2L : 0L; y < aUnrotatedHeight; y++ )
     419             :         {
     420           0 :             fTmp = y * fRevScaleY;
     421             : 
     422           0 :             if( bVMirr )
     423           0 :                 fTmp = nTmpY - fTmp;
     424             : 
     425           0 :             pMapIY[ y ] = MinMax( fTmp, 0, nTmp );
     426           0 :             pMapFY[ y ] = (long) ( ( fTmp - pMapIY[ y ] ) * 1048576.0 );
     427             :         }
     428           0 :         scaleByAveraging |= fRevScaleY > 5.0/3.0;
     429             :     }
     430             :     else
     431             :     {
     432           0 :         if(aBitmapHeight == 1)
     433             :         {
     434           0 :             fRevScaleY = 1.0 / (double)( aUnrotatedHeight);
     435           0 :             for (y = 0; y < aUnrotatedHeight; ++y)
     436             :             {
     437           0 :                 pMapIY[y] = 0;
     438           0 :                 pMapFY[y] = 0;
     439             :             }
     440           0 :             scaleByAveraging = true;
     441             :         }
     442             :         else
     443             :         {
     444           0 :             fRevScaleY = (double) aBitmapHeight / (double)( aUnrotatedHeight);
     445           0 :             fTmp = (double)aBitmapHeight / 2.0;
     446             : 
     447           0 :             pMapIY[ 0 ] = (long)fTmp;
     448           0 :             pMapFY[ 0 ] = (long)( ( fTmp - pMapIY[ 0 ] ) * 1048576.0 );
     449           0 :             scaleByAveraging = true;
     450             :         }
     451             :     }
     452             : 
     453           0 :     Bitmap              aBmp( rBmpEx.GetBitmap() );
     454           0 :     Bitmap              aOutBmp;
     455           0 :     BitmapReadAccess*   pReadAccess = aBmp.AcquireReadAccess();
     456             :     BitmapWriteAccess*  pWriteAccess;
     457             : 
     458           0 :     const double        fCosAngle = cos( nRot10 * F_PI1800 );
     459           0 :     const double        fSinAngle = sin( nRot10 * F_PI1800 );
     460           0 :     const long          aTargetWidth  = nEndX - nStartX + 1L;
     461           0 :     const long          aTargetHeight = nEndY - nStartY + 1L;
     462           0 :     boost::scoped_array<long> pCosX(new long[ aTargetWidth ]);
     463           0 :     boost::scoped_array<long> pSinX(new long[ aTargetWidth ]);
     464           0 :     boost::scoped_array<long> pCosY(new long[ aTargetHeight ]);
     465           0 :     boost::scoped_array<long> pSinY(new long[ aTargetHeight ]);
     466             :     long                nUnRotX, nUnRotY, nSinY, nCosY;
     467             :     sal_uInt8           cR0, cG0, cB0, cR1, cG1, cB1;
     468           0 :     bool                bRet = false;
     469             : 
     470           0 :     Polygon             aPoly( Rectangle( Point(), rUnrotatedSzPix ) );
     471           0 :     aPoly.Rotate( Point(), nRot10 );
     472           0 :     Rectangle           aNewBound( aPoly.GetBoundRect() );
     473             : 
     474             :     // create horizontal mapping table
     475           0 :     for( x = 0, nTmpX = aNewBound.Left() + nStartX; x < aTargetWidth; x++ )
     476             :     {
     477           0 :         pCosX[ x ] = FRound( fCosAngle * ( fTmp = nTmpX++ << 8 ) );
     478           0 :         pSinX[ x ] = FRound( fSinAngle * fTmp );
     479             :     }
     480             : 
     481             :     // create vertical mapping table
     482           0 :     for( y = 0, nTmpY = aNewBound.Top() + nStartY; y < aTargetHeight; y++ )
     483             :     {
     484           0 :         pCosY[ y ] = FRound( fCosAngle * ( fTmp = nTmpY++ << 8 ) );
     485           0 :         pSinY[ y ] = FRound( fSinAngle * fTmp );
     486             :     }
     487             : 
     488           0 :     if( pReadAccess )
     489             :     {
     490           0 :         aOutBmp = Bitmap( Size( aTargetWidth, aTargetHeight ), 24 );
     491           0 :         pWriteAccess = aOutBmp.AcquireWriteAccess();
     492             : 
     493           0 :         if( pWriteAccess )
     494             :         {
     495           0 :             BitmapColor aColRes;
     496             : 
     497           0 :             if ( !scaleByAveraging )
     498             :             {
     499           0 :                 if( pReadAccess->HasPalette() )
     500             :                 {
     501           0 :                     for( y = 0; y < aTargetHeight; y++ )
     502             :                     {
     503           0 :                         nSinY = pSinY[ y ];
     504           0 :                         nCosY = pCosY[ y ];
     505             : 
     506           0 :                         for( x = 0; x < aTargetWidth; x++ )
     507             :                         {
     508           0 :                             nUnRotX = ( pCosX[ x ] - nSinY ) >> 8;
     509           0 :                             nUnRotY = ( pSinX[ x ] + nCosY ) >> 8;
     510             : 
     511           0 :                             if( ( nUnRotX >= 0L ) && ( nUnRotX < aUnrotatedWidth ) &&
     512           0 :                                 ( nUnRotY >= 0L ) && ( nUnRotY < aUnrotatedHeight ) )
     513             :                             {
     514           0 :                                 nTmpX = pMapIX[ nUnRotX ]; nTmpFX = pMapFX[ nUnRotX ];
     515           0 :                                 nTmpY = pMapIY[ nUnRotY ], nTmpFY = pMapFY[ nUnRotY ];
     516             : 
     517           0 :                                 const BitmapColor& rCol0 = pReadAccess->GetPaletteColor( pReadAccess->GetPixelIndex( nTmpY, nTmpX ) );
     518           0 :                                 const BitmapColor& rCol1 = pReadAccess->GetPaletteColor( pReadAccess->GetPixelIndex( nTmpY, ++nTmpX ) );
     519           0 :                                 cR0 = MAP( rCol0.GetRed(), rCol1.GetRed(), nTmpFX );
     520           0 :                                 cG0 = MAP( rCol0.GetGreen(), rCol1.GetGreen(), nTmpFX );
     521           0 :                                 cB0 = MAP( rCol0.GetBlue(), rCol1.GetBlue(), nTmpFX );
     522             : 
     523           0 :                                 const BitmapColor& rCol3 = pReadAccess->GetPaletteColor( pReadAccess->GetPixelIndex( ++nTmpY, nTmpX ) );
     524           0 :                                 const BitmapColor& rCol2 = pReadAccess->GetPaletteColor( pReadAccess->GetPixelIndex( nTmpY, --nTmpX ) );
     525           0 :                                 cR1 = MAP( rCol2.GetRed(), rCol3.GetRed(), nTmpFX );
     526           0 :                                 cG1 = MAP( rCol2.GetGreen(), rCol3.GetGreen(), nTmpFX );
     527           0 :                                 cB1 = MAP( rCol2.GetBlue(), rCol3.GetBlue(), nTmpFX );
     528             : 
     529           0 :                                 aColRes.SetRed( MAP( cR0, cR1, nTmpFY ) );
     530           0 :                                 aColRes.SetGreen( MAP( cG0, cG1, nTmpFY ) );
     531           0 :                                 aColRes.SetBlue( MAP( cB0, cB1, nTmpFY ) );
     532           0 :                                 pWriteAccess->SetPixel( y, x, aColRes );
     533             :                             }
     534             :                         }
     535             :                     }
     536             :                 }
     537             :                 else
     538             :                 {
     539           0 :                     BitmapColor aCol0, aCol1;
     540             : 
     541           0 :                     for( y = 0; y < aTargetHeight; y++ )
     542             :                     {
     543           0 :                         nSinY = pSinY[ y ];
     544           0 :                         nCosY = pCosY[ y ];
     545             : 
     546           0 :                         for( x = 0; x < aTargetWidth; x++ )
     547             :                         {
     548           0 :                             nUnRotX = ( pCosX[ x ] - nSinY ) >> 8;
     549           0 :                             nUnRotY = ( pSinX[ x ] + nCosY ) >> 8;
     550             : 
     551           0 :                             if( ( nUnRotX >= 0L ) && ( nUnRotX < aUnrotatedWidth ) &&
     552           0 :                                 ( nUnRotY >= 0L ) && ( nUnRotY < aUnrotatedHeight ) )
     553             :                             {
     554           0 :                                 nTmpX = pMapIX[ nUnRotX ]; nTmpFX = pMapFX[ nUnRotX ];
     555           0 :                                 nTmpY = pMapIY[ nUnRotY ], nTmpFY = pMapFY[ nUnRotY ];
     556             : 
     557           0 :                                 aCol0 = pReadAccess->GetPixel( nTmpY, nTmpX );
     558           0 :                                 aCol1 = pReadAccess->GetPixel( nTmpY, ++nTmpX );
     559           0 :                                 cR0 = MAP( aCol0.GetRed(), aCol1.GetRed(), nTmpFX );
     560           0 :                                 cG0 = MAP( aCol0.GetGreen(), aCol1.GetGreen(), nTmpFX );
     561           0 :                                 cB0 = MAP( aCol0.GetBlue(), aCol1.GetBlue(), nTmpFX );
     562             : 
     563           0 :                                 aCol1 = pReadAccess->GetPixel( ++nTmpY, nTmpX );
     564           0 :                                 aCol0 = pReadAccess->GetPixel( nTmpY, --nTmpX );
     565           0 :                                 cR1 = MAP( aCol0.GetRed(), aCol1.GetRed(), nTmpFX );
     566           0 :                                 cG1 = MAP( aCol0.GetGreen(), aCol1.GetGreen(), nTmpFX );
     567           0 :                                 cB1 = MAP( aCol0.GetBlue(), aCol1.GetBlue(), nTmpFX );
     568             : 
     569           0 :                                 aColRes.SetRed( MAP( cR0, cR1, nTmpFY ) );
     570           0 :                                 aColRes.SetGreen( MAP( cG0, cG1, nTmpFY ) );
     571           0 :                                 aColRes.SetBlue( MAP( cB0, cB1, nTmpFY ) );
     572           0 :                                 pWriteAccess->SetPixel( y, x, aColRes );
     573             :                             }
     574             :                         }
     575           0 :                     }
     576             :                 }
     577             :             }
     578             :             else // scaleByAveraging
     579             :             {
     580             :                 double aSumRed, aSumGreen, aSumBlue, aCount;
     581           0 :                 BitmapColor aColor;
     582           0 :                 BitmapColor aResultColor;
     583             : 
     584           0 :                 for( y = 0; y < aTargetHeight; y++ )
     585             :                 {
     586           0 :                     nSinY = pSinY[ y ];
     587           0 :                     nCosY = pCosY[ y ];
     588             : 
     589           0 :                     for( x = 0; x < aTargetWidth; x++ )
     590             :                     {
     591           0 :                         double aUnrotatedX = ( pCosX[ x ] - nSinY ) / 256.0;
     592           0 :                         double aUnrotatedY = ( pSinX[ x ] + nCosY ) / 256.0;
     593             : 
     594           0 :                         if ( bHMirr )
     595           0 :                             aUnrotatedX = aUnrotatedWidth - aUnrotatedX - 1;
     596           0 :                         if ( bVMirr )
     597           0 :                             aUnrotatedY = aUnrotatedHeight - aUnrotatedY - 1;
     598             : 
     599           0 :                         if( ( aUnrotatedX >= 0 ) && ( aUnrotatedX < aUnrotatedWidth ) &&
     600           0 :                             ( aUnrotatedY >= 0 ) && ( aUnrotatedY < aUnrotatedHeight ) )
     601             :                         {
     602           0 :                             double dYStart = ((aUnrotatedY + 0.5) * fRevScaleY) - 0.5;
     603           0 :                             double dYEnd   = ((aUnrotatedY + 1.5) * fRevScaleY) - 0.5;
     604             : 
     605           0 :                             int yStart = MinMax( dYStart, 0, aBitmapHeight - 1);
     606           0 :                             int yEnd   = MinMax( dYEnd,   0, aBitmapHeight - 1);
     607             : 
     608           0 :                             double dXStart = ((aUnrotatedX + 0.5) * fRevScaleX) - 0.5;
     609           0 :                             double dXEnd   = ((aUnrotatedX + 1.5) * fRevScaleX) - 0.5;
     610             : 
     611           0 :                             int xStart = MinMax( dXStart, 0, aBitmapWidth - 1);
     612           0 :                             int xEnd   = MinMax( dXEnd,   0, aBitmapWidth - 1);
     613             : 
     614           0 :                             aSumRed = aSumGreen = aSumBlue = 0.0;
     615           0 :                             aCount = 0;
     616             : 
     617           0 :                             for (int yIn = yStart; yIn <= yEnd; yIn++)
     618             :                             {
     619           0 :                                 for (int xIn = xStart; xIn <= xEnd; xIn++)
     620             :                                 {
     621           0 :                                     if( pReadAccess->HasPalette() )
     622           0 :                                         aColor = pReadAccess->GetPaletteColor( pReadAccess->GetPixelIndex( yIn, xIn ) );
     623             :                                     else
     624           0 :                                         aColor = pReadAccess->GetPixel( yIn, xIn );
     625             : 
     626           0 :                                     aSumRed   += aColor.GetRed();
     627           0 :                                     aSumGreen += aColor.GetGreen();
     628           0 :                                     aSumBlue  += aColor.GetBlue();
     629             : 
     630           0 :                                     aCount++;
     631             :                                 }
     632             :                             }
     633             : 
     634           0 :                             aResultColor.SetRed(   MinMax( aSumRed   / aCount, 0, 255) );
     635           0 :                             aResultColor.SetGreen( MinMax( aSumGreen / aCount, 0, 255) );
     636           0 :                             aResultColor.SetBlue(  MinMax( aSumBlue  / aCount, 0, 255) );
     637             : 
     638           0 :                             pWriteAccess->SetPixel( y, x, aResultColor );
     639             :                         }
     640             :                     }
     641           0 :                 }
     642             :             }
     643             : 
     644           0 :             aOutBmp.ReleaseAccess( pWriteAccess );
     645           0 :             bRet = true;
     646             :         }
     647             : 
     648           0 :         aBmp.ReleaseAccess( pReadAccess );
     649             :     }
     650             : 
     651             :     // mask processing
     652           0 :     if( bRet && ( rBmpEx.IsTransparent() || ( nRot10 != 0 && nRot10 != 900 && nRot10 != 1800 && nRot10 != 2700 ) ) )
     653             :     {
     654           0 :         bRet = false;
     655             : 
     656           0 :         if( rBmpEx.IsAlpha() )
     657             :         {
     658           0 :             AlphaMask   aAlpha( rBmpEx.GetAlpha() );
     659           0 :             AlphaMask   aOutAlpha;
     660             : 
     661           0 :             pReadAccess = aAlpha.AcquireReadAccess();
     662             : 
     663           0 :             if( pReadAccess )
     664             :             {
     665           0 :                 aOutAlpha = AlphaMask( Size( aTargetWidth, aTargetHeight ) );
     666           0 :                 pWriteAccess = aOutAlpha.AcquireWriteAccess();
     667             : 
     668           0 :                 if( pWriteAccess )
     669             :                 {
     670           0 :                     if( pReadAccess->GetScanlineFormat() == BMP_FORMAT_8BIT_PAL &&
     671           0 :                         pWriteAccess->GetScanlineFormat() == BMP_FORMAT_8BIT_PAL )
     672             :                     {
     673           0 :                         if ( !scaleByAveraging )
     674             :                         {
     675             :                             Scanline pLine0, pLine1, pLineW;
     676             : 
     677           0 :                             for( nY = 0; nY < aTargetHeight; nY++ )
     678             :                             {
     679           0 :                                 nSinY = pSinY[ nY ], nCosY = pCosY[ nY ];
     680           0 :                                 pLineW = pWriteAccess->GetScanline( nY );
     681             : 
     682           0 :                                 for( nX = 0; nX < aTargetWidth; nX++ )
     683             :                                 {
     684           0 :                                     nUnRotX = ( pCosX[ nX ] - nSinY ) >> 8;
     685           0 :                                     nUnRotY = ( pSinX[ nX ] + nCosY ) >> 8;
     686             : 
     687           0 :                                     if( ( nUnRotX >= 0L ) && ( nUnRotX < aUnrotatedWidth ) &&
     688           0 :                                         ( nUnRotY >= 0L ) && ( nUnRotY < aUnrotatedHeight ) )
     689             :                                     {
     690           0 :                                         nTmpX = pMapIX[ nUnRotX ], nTmpFX = pMapFX[ nUnRotX ];
     691           0 :                                         nTmpY = pMapIY[ nUnRotY ], nTmpFY = pMapFY[ nUnRotY ];
     692             : 
     693           0 :                                         pLine0 = pReadAccess->GetScanline( nTmpY++ );
     694           0 :                                         pLine1 = pReadAccess->GetScanline( nTmpY );
     695             : 
     696           0 :                                         const long  nAlpha0 = pLine0[ nTmpX ];
     697           0 :                                         const long  nAlpha2 = pLine1[ nTmpX++ ];
     698           0 :                                         const long  nAlpha1 = pLine0[ nTmpX ];
     699           0 :                                         const long  nAlpha3 = pLine1[ nTmpX ];
     700           0 :                                         const long  n0 = MAP( nAlpha0, nAlpha1, nTmpFX );
     701           0 :                                         const long  n1 = MAP( nAlpha2, nAlpha3, nTmpFX );
     702             : 
     703           0 :                                         *pLineW++ = MAP( n0, n1, nTmpFY );
     704             :                                     }
     705             :                                     else
     706           0 :                                         *pLineW++ = 255;
     707             :                                 }
     708             :                             }
     709             :                         }
     710             :                         else // scaleByAveraging
     711             :                         {
     712           0 :                             const BitmapColor   aTrans( pWriteAccess->GetBestMatchingColor( Color( COL_WHITE ) ) );
     713           0 :                             BitmapColor         aResultColor( 0 );
     714             :                             double aSum, aCount;
     715             : 
     716           0 :                             for( y = 0; y < aTargetHeight; y++ )
     717             :                             {
     718           0 :                                 nSinY = pSinY[ y ];
     719           0 :                                 nCosY = pCosY[ y ];
     720             : 
     721           0 :                                 for( x = 0; x < aTargetWidth; x++ )
     722             :                                 {
     723             : 
     724           0 :                                     double aUnrotatedX = ( pCosX[ x ] - nSinY ) / 256.0;
     725           0 :                                     double aUnrotatedY = ( pSinX[ x ] + nCosY ) / 256.0;
     726             : 
     727           0 :                                     if ( bHMirr )
     728           0 :                                         aUnrotatedX = aUnrotatedWidth - aUnrotatedX - 1;
     729           0 :                                     if ( bVMirr )
     730           0 :                                         aUnrotatedY = aUnrotatedHeight - aUnrotatedY - 1;
     731             : 
     732           0 :                                     if( ( aUnrotatedX >= 0 ) && ( aUnrotatedX < aUnrotatedWidth ) &&
     733           0 :                                         ( aUnrotatedY >= 0 ) && ( aUnrotatedY < aUnrotatedHeight ) )
     734             :                                     {
     735           0 :                                         double dYStart = ((aUnrotatedY + 0.5) * fRevScaleY) - 0.5;
     736           0 :                                         double dYEnd   = ((aUnrotatedY + 1.5) * fRevScaleY) - 0.5;
     737             : 
     738           0 :                                         int yStart = MinMax( dYStart, 0, aBitmapHeight - 1);
     739           0 :                                         int yEnd   = MinMax( dYEnd,   0, aBitmapHeight - 1);
     740             : 
     741           0 :                                         double dXStart = ((aUnrotatedX + 0.5) * fRevScaleX) - 0.5;
     742           0 :                                         double dXEnd   = ((aUnrotatedX + 1.5) * fRevScaleX) - 0.5;
     743             : 
     744           0 :                                         int xStart = MinMax( dXStart, 0, aBitmapWidth - 1);
     745           0 :                                         int xEnd   = MinMax( dXEnd,   0, aBitmapWidth - 1);
     746             : 
     747           0 :                                         aSum = 0.0;
     748           0 :                                         aCount = 0;
     749             : 
     750           0 :                                         for (int yIn = yStart; yIn <= yEnd; yIn++)
     751             :                                         {
     752           0 :                                             for (int xIn = xStart; xIn <= xEnd; xIn++)
     753             :                                             {
     754           0 :                                                 aSum += pReadAccess->GetPixel( yIn, xIn ).GetIndex();
     755           0 :                                                 aCount++;
     756             :                                             }
     757             :                                         }
     758           0 :                                         aResultColor.SetIndex( MinMax( aSum  / aCount, 0, 255) );
     759           0 :                                         pWriteAccess->SetPixel( y, x, aResultColor );
     760             :                                     }
     761             :                                     else
     762             :                                     {
     763           0 :                                         pWriteAccess->SetPixel( y, x, aTrans );
     764             :                                     }
     765             :                                 }
     766           0 :                             }
     767             :                         }
     768             :                     }
     769             :                     else
     770             :                     {
     771           0 :                         const BitmapColor   aTrans( pWriteAccess->GetBestMatchingColor( Color( COL_WHITE ) ) );
     772           0 :                         BitmapColor         aAlphaVal( 0 );
     773             : 
     774           0 :                         for( nY = 0; nY < aTargetHeight; nY++ )
     775             :                         {
     776           0 :                             nSinY = pSinY[ nY ], nCosY = pCosY[ nY ];
     777             : 
     778           0 :                             for( nX = 0; nX < aTargetWidth; nX++ )
     779             :                             {
     780           0 :                                 nUnRotX = ( pCosX[ nX ] - nSinY ) >> 8;
     781           0 :                                 nUnRotY = ( pSinX[ nX ] + nCosY ) >> 8;
     782             : 
     783           0 :                                 if( ( nUnRotX >= 0L ) && ( nUnRotX < aUnrotatedWidth ) &&
     784           0 :                                     ( nUnRotY >= 0L ) && ( nUnRotY < aUnrotatedHeight ) )
     785             :                                 {
     786           0 :                                     nTmpX = pMapIX[ nUnRotX ]; nTmpFX = pMapFX[ nUnRotX ];
     787           0 :                                     nTmpY = pMapIY[ nUnRotY ], nTmpFY = pMapFY[ nUnRotY ];
     788             : 
     789           0 :                                     const long  nAlpha0 = pReadAccess->GetPixel( nTmpY, nTmpX ).GetIndex();
     790           0 :                                     const long  nAlpha1 = pReadAccess->GetPixel( nTmpY, ++nTmpX ).GetIndex();
     791           0 :                                     const long  nAlpha3 = pReadAccess->GetPixel( ++nTmpY, nTmpX ).GetIndex();
     792           0 :                                     const long  nAlpha2 = pReadAccess->GetPixel( nTmpY, --nTmpX ).GetIndex();
     793           0 :                                     const long  n0 = MAP( nAlpha0, nAlpha1, nTmpFX );
     794           0 :                                     const long  n1 = MAP( nAlpha2, nAlpha3, nTmpFX );
     795             : 
     796           0 :                                     aAlphaVal.SetIndex( MAP( n0, n1, nTmpFY ) );
     797           0 :                                     pWriteAccess->SetPixel( nY, nX, aAlphaVal );
     798             :                                 }
     799             :                                 else
     800           0 :                                     pWriteAccess->SetPixel( nY, nX, aTrans );
     801             :                             }
     802           0 :                         }
     803             :                     }
     804             : 
     805           0 :                     aOutAlpha.ReleaseAccess( pWriteAccess );
     806           0 :                     bRet = true;
     807             :                 }
     808             : 
     809           0 :                 aAlpha.ReleaseAccess( pReadAccess );
     810             :             }
     811             : 
     812           0 :             if( bRet )
     813           0 :                 rOutBmpEx = BitmapEx( aOutBmp, aOutAlpha );
     814             :         }
     815             :         else
     816             :         {
     817           0 :             Bitmap aOutMsk( Size( aTargetWidth, aTargetHeight ), 1 );
     818           0 :             pWriteAccess = aOutMsk.AcquireWriteAccess();
     819             : 
     820           0 :             if( pWriteAccess )
     821             :             {
     822           0 :                 Bitmap              aMsk( rBmpEx.GetMask() );
     823           0 :                 const BitmapColor   aB( pWriteAccess->GetBestMatchingColor( Color( COL_BLACK ) ) );
     824           0 :                 const BitmapColor   aW( pWriteAccess->GetBestMatchingColor( Color( COL_WHITE ) ) );
     825           0 :                 BitmapReadAccess*   pMAcc = NULL;
     826             : 
     827           0 :                 if( !aMsk || ( ( pMAcc = aMsk.AcquireReadAccess() ) != NULL ) )
     828             :                 {
     829           0 :                     boost::scoped_array<long> pMapLX(new long[ aUnrotatedWidth ]);
     830           0 :                     boost::scoped_array<long> pMapLY(new long[ aUnrotatedHeight ]);
     831           0 :                     BitmapColor aTestB;
     832             : 
     833           0 :                     if( pMAcc )
     834           0 :                         aTestB = pMAcc->GetBestMatchingColor( Color( COL_BLACK ) );
     835             : 
     836             :                     // create new horizontal mapping table
     837           0 :                     for( nX = 0UL; nX < aUnrotatedWidth; nX++ )
     838           0 :                         pMapLX[ nX ] = FRound( (double) pMapIX[ nX ] + pMapFX[ nX ] / 1048576.0 );
     839             : 
     840             :                     // create new vertical mapping table
     841           0 :                     for( nY = 0UL; nY < aUnrotatedHeight; nY++ )
     842           0 :                         pMapLY[ nY ] = FRound( (double) pMapIY[ nY ] + pMapFY[ nY ] / 1048576.0 );
     843             : 
     844             :                     // do mask rotation
     845           0 :                     for( nY = 0; nY < aTargetHeight; nY++ )
     846             :                     {
     847           0 :                         nSinY = pSinY[ nY ];
     848           0 :                         nCosY = pCosY[ nY ];
     849             : 
     850           0 :                         for( nX = 0; nX < aTargetWidth; nX++ )
     851             :                         {
     852           0 :                             nUnRotX = ( pCosX[ nX ] - nSinY ) >> 8;
     853           0 :                             nUnRotY = ( pSinX[ nX ] + nCosY ) >> 8;
     854             : 
     855           0 :                             if( ( nUnRotX >= 0L ) && ( nUnRotX < aUnrotatedWidth ) &&
     856           0 :                                 ( nUnRotY >= 0L ) && ( nUnRotY < aUnrotatedHeight ) )
     857             :                             {
     858           0 :                                 if( pMAcc )
     859             :                                 {
     860           0 :                                     if( pMAcc->GetPixel( pMapLY[ nUnRotY ], pMapLX[ nUnRotX ] ) == aTestB )
     861           0 :                                         pWriteAccess->SetPixel( nY, nX, aB );
     862             :                                     else
     863           0 :                                         pWriteAccess->SetPixel( nY, nX, aW );
     864             :                                 }
     865             :                                 else
     866           0 :                                     pWriteAccess->SetPixel( nY, nX, aB );
     867             :                             }
     868             :                             else
     869           0 :                                 pWriteAccess->SetPixel( nY, nX, aW );
     870             :                         }
     871             :                     }
     872             : 
     873           0 :                     pMapLX.reset();
     874           0 :                     pMapLY.reset();
     875             : 
     876           0 :                     if( pMAcc )
     877           0 :                         aMsk.ReleaseAccess( pMAcc );
     878             : 
     879           0 :                     bRet = true;
     880             :                 }
     881             : 
     882           0 :                 aOutMsk.ReleaseAccess( pWriteAccess );
     883             :             }
     884             : 
     885           0 :             if( bRet )
     886           0 :                 rOutBmpEx = BitmapEx( aOutBmp, aOutMsk );
     887             :         }
     888             : 
     889           0 :         if( !bRet )
     890           0 :             rOutBmpEx = aOutBmp;
     891             :     }
     892             :     else
     893           0 :         rOutBmpEx = aOutBmp;
     894             : 
     895           0 :     return bRet;
     896             : }
     897             : 
     898           0 : bool GraphicManager::ImplCreateOutput( OutputDevice* pOutputDevice,
     899             :                                        const Point& rPoint, const Size& rSize,
     900             :                                        const BitmapEx& rBitmapEx, const GraphicAttr& rAttributes,
     901             :                                        const sal_uLong /*nFlags*/, BitmapEx* pBmpEx )
     902             : {
     903           0 :     sal_uInt16  nRot10 = rAttributes.GetRotation() % 3600;
     904             : 
     905           0 :     Point   aOutputPointPix;
     906           0 :     Size    aOutputSizePix;
     907           0 :     Point   aUnrotatedPointPix( pOutputDevice->LogicToPixel( rPoint ) );
     908           0 :     Size    aUnrotatedSizePix(  pOutputDevice->LogicToPixel( rSize ) );
     909             : 
     910           0 :     bool    bRet = false;
     911             : 
     912           0 :     if( nRot10 )
     913             :     {
     914           0 :         Polygon aPoly( Rectangle( rPoint, rSize ) );
     915           0 :         aPoly.Rotate( rPoint, nRot10 );
     916           0 :         const Rectangle aRotBoundRect( aPoly.GetBoundRect() );
     917           0 :         aOutputPointPix = pOutputDevice->LogicToPixel( aRotBoundRect.TopLeft() );
     918           0 :         aOutputSizePix  = pOutputDevice->LogicToPixel( aRotBoundRect.GetSize() );
     919             :     }
     920             :     else
     921             :     {
     922           0 :         aOutputPointPix = aUnrotatedPointPix;
     923           0 :         aOutputSizePix  = aUnrotatedSizePix;
     924             :     }
     925             : 
     926           0 :     if( aUnrotatedSizePix.Width() && aUnrotatedSizePix.Height() )
     927             :     {
     928           0 :         BitmapEx        aBmpEx( rBitmapEx );
     929           0 :         BitmapEx        aOutBmpEx;
     930           0 :         Point           aOutPoint;
     931           0 :         Size            aOutSize;
     932           0 :         const Size&     rBmpSzPix = rBitmapEx.GetSizePixel();
     933           0 :         const long      nW = rBmpSzPix.Width();
     934           0 :         const long      nH = rBmpSzPix.Height();
     935           0 :         long            nStartX = -1, nStartY = -1, nEndX = -1, nEndY = -1;
     936           0 :         bool            bHMirr = ( rAttributes.GetMirrorFlags() & BMP_MIRROR_HORZ ) != 0;
     937           0 :         bool            bVMirr = ( rAttributes.GetMirrorFlags() & BMP_MIRROR_VERT ) != 0;
     938             : 
     939             :         // calculate output sizes
     940           0 :         if( !pBmpEx )
     941             :         {
     942           0 :             Point       aPt;
     943           0 :             Rectangle   aOutRect( aPt, pOutputDevice->GetOutputSizePixel() );
     944           0 :             Rectangle   aBmpRect( aOutputPointPix, aOutputSizePix );
     945             : 
     946           0 :             if( pOutputDevice->GetOutDevType() == OUTDEV_WINDOW )
     947             :             {
     948           0 :                 const vcl::Region aPaintRgn( static_cast<vcl::Window*>( pOutputDevice )->GetPaintRegion() );
     949           0 :                 if( !aPaintRgn.IsNull() )
     950           0 :                     aOutRect.Intersection( pOutputDevice->LogicToPixel( aPaintRgn.GetBoundRect() ) );
     951             :             }
     952             : 
     953           0 :             aOutRect.Intersection( aBmpRect );
     954             : 
     955           0 :             if( !aOutRect.IsEmpty() )
     956             :             {
     957           0 :                 aOutPoint = pOutputDevice->PixelToLogic( aOutRect.TopLeft() );
     958           0 :                 aOutSize = pOutputDevice->PixelToLogic( aOutRect.GetSize() );
     959           0 :                 nStartX = aOutRect.Left() - aBmpRect.Left();
     960           0 :                 nStartY = aOutRect.Top() - aBmpRect.Top();
     961           0 :                 nEndX = aOutRect.Right() - aBmpRect.Left();
     962           0 :                 nEndY = aOutRect.Bottom() - aBmpRect.Top();
     963             :             }
     964             :             else
     965             :             {
     966           0 :                 nStartX = -1L; // invalid
     967             :             }
     968             :         }
     969             :         else
     970             :         {
     971           0 :             aOutPoint = pOutputDevice->PixelToLogic( aOutputPointPix );
     972           0 :             aOutSize = pOutputDevice->PixelToLogic( aOutputSizePix );
     973           0 :             nStartX = nStartY = 0;
     974           0 :             nEndX = aOutputSizePix.Width() - 1L;
     975           0 :             nEndY = aOutputSizePix.Height() - 1L;
     976             :         }
     977             : 
     978             :         // do transformation
     979           0 :         if( nStartX >= 0L )
     980             :         {
     981           0 :             const bool bSimple = ( 1 == nW || 1 == nH );
     982             : 
     983           0 :             if( nRot10 )
     984             :             {
     985           0 :                 if( bSimple )
     986             :                 {
     987           0 :                     bRet = ( aOutBmpEx = aBmpEx ).Scale( aUnrotatedSizePix );
     988             : 
     989           0 :                     if( bRet )
     990           0 :                         aOutBmpEx.Rotate( nRot10, COL_TRANSPARENT );
     991             :                 }
     992             :                 else
     993             :                 {
     994             :                     bRet = ImplCreateRotatedScaled( aBmpEx, rAttributes,
     995             :                                                     nRot10, aUnrotatedSizePix,
     996             :                                                     nStartX, nEndX, nStartY, nEndY,
     997           0 :                                                     aOutBmpEx );
     998             :                 }
     999             :             }
    1000             :             else
    1001             :             {
    1002           0 :                 if( !bHMirr && !bVMirr && aOutputSizePix == rBmpSzPix )
    1003             :                 {
    1004           0 :                     aOutPoint = pOutputDevice->PixelToLogic( aOutputPointPix );
    1005           0 :                     aOutSize  = pOutputDevice->PixelToLogic( aOutputSizePix );
    1006           0 :                     aOutBmpEx = aBmpEx;
    1007           0 :                     bRet      = true;
    1008             :                 }
    1009             :                 else
    1010             :                 {
    1011           0 :                     if( bSimple )
    1012             :                     {
    1013           0 :                         bRet = ( aOutBmpEx = aBmpEx ).Scale( Size( nEndX - nStartX + 1, nEndY - nStartY + 1 ) );
    1014             :                     }
    1015             :                     else
    1016             :                     {
    1017             :                         bRet = ImplCreateRotatedScaled( aBmpEx, rAttributes,
    1018             :                                                     nRot10, aUnrotatedSizePix,
    1019             :                                                     nStartX, nEndX, nStartY, nEndY,
    1020           0 :                                                     aOutBmpEx );
    1021             :                     }
    1022             :                 }
    1023             :             }
    1024             : 
    1025           0 :             if( bRet )
    1026             :             {
    1027             :                 // Attribute adjustment if necessary
    1028           0 :                 if( rAttributes.IsSpecialDrawMode() || rAttributes.IsAdjusted() || rAttributes.IsTransparent() )
    1029           0 :                     ImplAdjust( aOutBmpEx, rAttributes, ADJUSTMENT_DRAWMODE | ADJUSTMENT_COLORS | ADJUSTMENT_TRANSPARENCY );
    1030             : 
    1031             :                 // OutDev adjustment if necessary
    1032           0 :                 if( pOutputDevice->GetOutDevType() != OUTDEV_PRINTER && pOutputDevice->GetBitCount() <= 8 && aOutBmpEx.GetBitCount() >= 8 )
    1033           0 :                     aOutBmpEx.Dither( BMP_DITHER_MATRIX );
    1034             :             }
    1035             :         }
    1036             : 
    1037             :         // Create output
    1038           0 :         if( bRet )
    1039             :         {
    1040           0 :             if( !pBmpEx )
    1041           0 :                 pOutputDevice->DrawBitmapEx( aOutPoint, aOutSize, aOutBmpEx );
    1042             :             else
    1043             :             {
    1044           0 :                 if( !rAttributes.IsTransparent() && !aOutBmpEx.IsAlpha() )
    1045           0 :                     aOutBmpEx = BitmapEx( aOutBmpEx.GetBitmap().CreateDisplayBitmap( pOutputDevice ), aOutBmpEx.GetMask() );
    1046             : 
    1047           0 :                 pOutputDevice->DrawBitmapEx( aOutPoint, aOutSize, *pBmpEx = aOutBmpEx );
    1048             :             }
    1049           0 :         }
    1050             :     }
    1051             : 
    1052           0 :     return bRet;
    1053             : }
    1054             : 
    1055             : // This function checks whether the bitmap is usable for skipping
    1056             : // mtf rendering by using just this one bitmap (i.e. in case the metafile
    1057             : // contains just this one pixmap that covers the entire metafile area).
    1058           0 : static BitmapEx checkMetadataBitmap( const BitmapEx& rBmpEx,
    1059             :                                      Point    rSrcPoint,
    1060             :                                      Size     rSrcSize,
    1061             :                                      const Point&    rDestPoint,
    1062             :                                      const Size&     rDestSize,
    1063             :                                      const Size&     rRefSize,
    1064             :                                      bool&           o_rbNonBitmapActionEncountered )
    1065             : {
    1066             : // NOTE: If you do changes in this function, change checkMetadataBitmap() in grfcache.cxx too.
    1067           0 :     BitmapEx aBmpEx;
    1068           0 :     if( rSrcSize == Size())
    1069           0 :         rSrcSize = rBmpEx.GetSizePixel();
    1070             : 
    1071           0 :     if( rDestPoint != Point( 0, 0 ))
    1072             :     {   // The pixmap in the metafile has an offset (and so would not cover)
    1073             :         // the entire result -> fall back to mtf rendering.
    1074           0 :         o_rbNonBitmapActionEncountered = true;
    1075           0 :         return aBmpEx;
    1076             :     }
    1077           0 :     if( rDestSize != rRefSize )
    1078             :     {   // The pixmap is not fullscale (does not cover the entire metafile area).
    1079             :         // HACK: The code here should refuse to use the bitmap directly
    1080             :         // and fall back to mtf rendering, but there seem to be metafiles
    1081             :         // that do not specify exactly their area (the Windows API requires apps
    1082             :         // the specify it manually, the rectangle is specified as topleft/bottomright
    1083             :         // rather than topleft/size [which may be confusing], and the docs
    1084             :         // on the exact meaning are somewhat confusing as well), so if it turns
    1085             :         // out this metafile really contains just one bitmap and no other painting,
    1086             :         // and if the sizes almost match, just use the pixmap (which will be scaled
    1087             :         // to fit exactly the requested size, so there should not be any actual problem
    1088             :         // caused by this small difference). This will allow caching of the resulting
    1089             :         // (scaled) pixmap, which can make a noticeable performance difference.
    1090           0 :         if( rBmpEx.GetSizePixel().Width() > 100 && rBmpEx.GetSizePixel().Height() > 100
    1091           0 :             && std::abs( rDestSize.Width() - rRefSize.Width()) < 5
    1092           0 :             && std::abs( rDestSize.Height() - rRefSize.Height()) < 5 )
    1093             :             ; // ok, assume it's close enough
    1094             :         else
    1095             :         {  // fall back to mtf rendering
    1096           0 :             o_rbNonBitmapActionEncountered = true;
    1097           0 :             return aBmpEx;
    1098             :         }
    1099             :     }
    1100             : 
    1101           0 :     aBmpEx = rBmpEx;
    1102             : 
    1103           0 :     if( (rSrcPoint.X() != 0 && rSrcPoint.Y() != 0) ||
    1104           0 :         rSrcSize != rBmpEx.GetSizePixel() )
    1105             :     {
    1106             :         // crop bitmap to given source rectangle (no
    1107             :         // need to copy and convert the whole bitmap)
    1108             :         const Rectangle aCropRect( rSrcPoint,
    1109           0 :                                    rSrcSize );
    1110           0 :         aBmpEx.Crop( aCropRect );
    1111             :     }
    1112             : 
    1113           0 :     return aBmpEx;
    1114             : }
    1115             : 
    1116           0 : bool GraphicManager::ImplCreateOutput( OutputDevice* pOut,
    1117             :                                        const Point& rPt, const Size& rSz,
    1118             :                                        const GDIMetaFile& rMtf, const GraphicAttr& rAttr,
    1119             :                                        const sal_uLong /*nFlags*/, GDIMetaFile& rOutMtf, BitmapEx& rOutBmpEx )
    1120             : {
    1121           0 :     const Size aNewSize( rMtf.GetPrefSize() );
    1122             : 
    1123           0 :     rOutMtf = rMtf;
    1124             : 
    1125             :     // Count bitmap actions, and flag actions that paint, but
    1126             :     // are no bitmaps.
    1127           0 :     sal_Int32   nNumBitmaps(0);
    1128           0 :     bool        bNonBitmapActionEncountered(false);
    1129           0 :     if( aNewSize.Width() && aNewSize.Height() && rSz.Width() && rSz.Height() )
    1130             :     {
    1131           0 :         const double fGrfWH = (double) aNewSize.Width() / aNewSize.Height();
    1132           0 :         const double fOutWH = (double) rSz.Width() / rSz.Height();
    1133             : 
    1134           0 :         const double fScaleX = fOutWH / fGrfWH;
    1135           0 :         const double fScaleY = 1.0;
    1136             : 
    1137           0 :         const MapMode rPrefMapMode( rMtf.GetPrefMapMode() );
    1138           0 :         const Size rSizePix( pOut->LogicToPixel( aNewSize, rPrefMapMode ) );
    1139             : 
    1140             : // NOTE: If you do changes in this function, check GraphicDisplayCacheEntry::IsCacheableAsBitmap
    1141             : // in grfcache.cxx too.
    1142             : 
    1143             :         // Determine whether the metafile basically displays
    1144             :         // a single bitmap (in which case that bitmap is simply used directly
    1145             :         // instead of playing the metafile). Note that
    1146             :         // the solution, as implemented here, is quite suboptimal (the
    1147             :         // cases where a mtf consisting basically of a single bitmap,
    1148             :         // that fail to pass the test below, are probably frequent). A
    1149             :         // better solution would involve FSAA, but that's currently
    1150             :         // expensive, and might trigger bugs on display drivers, if
    1151             :         // VDevs get bigger than the actual screen.
    1152             :         sal_uInt32  nCurPos;
    1153             :         MetaAction* pAct;
    1154           0 :         for( nCurPos = 0, pAct = (MetaAction*)rOutMtf.FirstAction(); pAct;
    1155             :              pAct = (MetaAction*)rOutMtf.NextAction(), nCurPos++ )
    1156             :         {
    1157           0 :             MetaAction* pModAct = NULL;
    1158           0 :             switch( pAct->GetType() )
    1159             :             {
    1160             :                 case META_FONT_ACTION:
    1161             :                 {
    1162             :                     // taking care of font width default if scaling metafile.
    1163           0 :                     MetaFontAction* pA = static_cast<MetaFontAction*>(pAct);
    1164           0 :                     vcl::Font aFont( pA->GetFont() );
    1165           0 :                     if ( !aFont.GetWidth() )
    1166             :                     {
    1167           0 :                         FontMetric aFontMetric( pOut->GetFontMetric( aFont ) );
    1168           0 :                         aFont.SetWidth( aFontMetric.GetWidth() );
    1169           0 :                         pModAct = new MetaFontAction( aFont );
    1170           0 :                     }
    1171             :                 }
    1172             :                     // FALLTHROUGH intended
    1173             :                 case META_NULL_ACTION:
    1174             :                     // FALLTHROUGH intended
    1175             : 
    1176             :                     // OutDev state changes (which don't affect bitmap
    1177             :                     // output)
    1178             :                 case META_LINECOLOR_ACTION:
    1179             :                     // FALLTHROUGH intended
    1180             :                 case META_FILLCOLOR_ACTION:
    1181             :                     // FALLTHROUGH intended
    1182             :                 case META_TEXTCOLOR_ACTION:
    1183             :                     // FALLTHROUGH intended
    1184             :                 case META_TEXTFILLCOLOR_ACTION:
    1185             :                     // FALLTHROUGH intended
    1186             :                 case META_TEXTALIGN_ACTION:
    1187             :                     // FALLTHROUGH intended
    1188             :                 case META_TEXTLINECOLOR_ACTION:
    1189             :                     // FALLTHROUGH intended
    1190             :                 case META_TEXTLINE_ACTION:
    1191             :                     // FALLTHROUGH intended
    1192             :                 case META_PUSH_ACTION:
    1193             :                     // FALLTHROUGH intended
    1194             :                 case META_POP_ACTION:
    1195             :                     // FALLTHROUGH intended
    1196             :                 case META_LAYOUTMODE_ACTION:
    1197             :                     // FALLTHROUGH intended
    1198             :                 case META_TEXTLANGUAGE_ACTION:
    1199             :                     // FALLTHROUGH intended
    1200             :                 case META_COMMENT_ACTION:
    1201           0 :                     break;
    1202             : 
    1203             :                     // bitmap output methods
    1204             :                 case META_BMP_ACTION:
    1205           0 :                     if( !nNumBitmaps && !bNonBitmapActionEncountered )
    1206             :                     {
    1207           0 :                         MetaBmpAction* pAction = static_cast<MetaBmpAction*>(pAct);
    1208             : 
    1209           0 :                         rOutBmpEx = checkMetadataBitmap(
    1210           0 :                             BitmapEx( pAction->GetBitmap()),
    1211             :                             Point(), Size(),
    1212           0 :                             pOut->LogicToPixel( pAction->GetPoint(),
    1213             :                                                 rPrefMapMode ),
    1214           0 :                             pAction->GetBitmap().GetSizePixel(),
    1215             :                             rSizePix,
    1216           0 :                             bNonBitmapActionEncountered );
    1217             :                     }
    1218           0 :                     ++nNumBitmaps;
    1219           0 :                     break;
    1220             : 
    1221             :                 case META_BMPSCALE_ACTION:
    1222           0 :                     if( !nNumBitmaps && !bNonBitmapActionEncountered )
    1223             :                     {
    1224           0 :                         MetaBmpScaleAction* pAction = static_cast<MetaBmpScaleAction*>(pAct);
    1225             : 
    1226           0 :                         rOutBmpEx = checkMetadataBitmap(
    1227           0 :                             BitmapEx( pAction->GetBitmap()),
    1228             :                             Point(), Size(),
    1229           0 :                             pOut->LogicToPixel( pAction->GetPoint(),
    1230             :                                                 rPrefMapMode ),
    1231           0 :                             pOut->LogicToPixel( pAction->GetSize(),
    1232             :                                                 rPrefMapMode ),
    1233             :                             rSizePix,
    1234           0 :                             bNonBitmapActionEncountered );
    1235             :                     }
    1236           0 :                     ++nNumBitmaps;
    1237           0 :                     break;
    1238             : 
    1239             :                 case META_BMPSCALEPART_ACTION:
    1240           0 :                     if( !nNumBitmaps && !bNonBitmapActionEncountered )
    1241             :                     {
    1242           0 :                         MetaBmpScalePartAction* pAction = static_cast<MetaBmpScalePartAction*>(pAct);
    1243             : 
    1244           0 :                         rOutBmpEx = checkMetadataBitmap(
    1245           0 :                                                     BitmapEx( pAction->GetBitmap() ),
    1246           0 :                                                     pAction->GetSrcPoint(),
    1247           0 :                                                     pAction->GetSrcSize(),
    1248           0 :                                                     pOut->LogicToPixel( pAction->GetDestPoint(),
    1249             :                                                                         rPrefMapMode ),
    1250           0 :                                                     pOut->LogicToPixel( pAction->GetDestSize(),
    1251             :                                                                         rPrefMapMode ),
    1252             :                                                     rSizePix,
    1253           0 :                                                     bNonBitmapActionEncountered );
    1254             :                     }
    1255           0 :                     ++nNumBitmaps;
    1256           0 :                     break;
    1257             : 
    1258             :                 case META_BMPEX_ACTION:
    1259           0 :                     if( !nNumBitmaps && !bNonBitmapActionEncountered )
    1260             :                     {
    1261           0 :                         MetaBmpExAction* pAction = static_cast<MetaBmpExAction*>(pAct);
    1262             : 
    1263           0 :                         rOutBmpEx = checkMetadataBitmap(
    1264           0 :                             pAction->GetBitmapEx(),
    1265             :                             Point(), Size(),
    1266           0 :                             pOut->LogicToPixel( pAction->GetPoint(),
    1267             :                                                 rPrefMapMode ),
    1268           0 :                             pAction->GetBitmapEx().GetSizePixel(),
    1269             :                             rSizePix,
    1270           0 :                             bNonBitmapActionEncountered );
    1271             :                     }
    1272           0 :                     ++nNumBitmaps;
    1273           0 :                     break;
    1274             : 
    1275             :                 case META_BMPEXSCALE_ACTION:
    1276           0 :                     if( !nNumBitmaps && !bNonBitmapActionEncountered )
    1277             :                     {
    1278           0 :                         MetaBmpExScaleAction* pAction = static_cast<MetaBmpExScaleAction*>(pAct);
    1279             : 
    1280           0 :                         rOutBmpEx = checkMetadataBitmap(
    1281           0 :                             pAction->GetBitmapEx(),
    1282             :                             Point(), Size(),
    1283           0 :                             pOut->LogicToPixel( pAction->GetPoint(),
    1284             :                                                 rPrefMapMode ),
    1285           0 :                             pOut->LogicToPixel( pAction->GetSize(),
    1286             :                                                 rPrefMapMode ),
    1287             :                             rSizePix,
    1288           0 :                             bNonBitmapActionEncountered );
    1289             :                     }
    1290           0 :                     ++nNumBitmaps;
    1291           0 :                     break;
    1292             : 
    1293             :                 case META_BMPEXSCALEPART_ACTION:
    1294           0 :                     if( !nNumBitmaps && !bNonBitmapActionEncountered )
    1295             :                     {
    1296           0 :                         MetaBmpExScalePartAction* pAction = static_cast<MetaBmpExScalePartAction*>(pAct);
    1297             : 
    1298           0 :                         rOutBmpEx = checkMetadataBitmap( pAction->GetBitmapEx(),
    1299           0 :                                                     pAction->GetSrcPoint(),
    1300           0 :                                                     pAction->GetSrcSize(),
    1301           0 :                                                     pOut->LogicToPixel( pAction->GetDestPoint(),
    1302             :                                                                         rPrefMapMode ),
    1303           0 :                                                     pOut->LogicToPixel( pAction->GetDestSize(),
    1304             :                                                                         rPrefMapMode ),
    1305             :                                                     rSizePix,
    1306           0 :                                                     bNonBitmapActionEncountered );
    1307             :                     }
    1308           0 :                     ++nNumBitmaps;
    1309           0 :                     break;
    1310             : 
    1311             :                     // these actions actually output something (that's
    1312             :                     // different from a bitmap)
    1313             :                 case META_RASTEROP_ACTION:
    1314           0 :                     if( static_cast<MetaRasterOpAction*>(pAct)->GetRasterOp() == ROP_OVERPAINT )
    1315           0 :                         break;
    1316             :                     // FALLTHROUGH intended
    1317             :                 case META_PIXEL_ACTION:
    1318             :                     // FALLTHROUGH intended
    1319             :                 case META_POINT_ACTION:
    1320             :                     // FALLTHROUGH intended
    1321             :                 case META_LINE_ACTION:
    1322             :                     // FALLTHROUGH intended
    1323             :                 case META_RECT_ACTION:
    1324             :                     // FALLTHROUGH intended
    1325             :                 case META_ROUNDRECT_ACTION:
    1326             :                     // FALLTHROUGH intended
    1327             :                 case META_ELLIPSE_ACTION:
    1328             :                     // FALLTHROUGH intended
    1329             :                 case META_ARC_ACTION:
    1330             :                     // FALLTHROUGH intended
    1331             :                 case META_PIE_ACTION:
    1332             :                     // FALLTHROUGH intended
    1333             :                 case META_CHORD_ACTION:
    1334             :                     // FALLTHROUGH intended
    1335             :                 case META_POLYLINE_ACTION:
    1336             :                     // FALLTHROUGH intended
    1337             :                 case META_POLYGON_ACTION:
    1338             :                     // FALLTHROUGH intended
    1339             :                 case META_POLYPOLYGON_ACTION:
    1340             :                     // FALLTHROUGH intended
    1341             : 
    1342             :                 case META_TEXT_ACTION:
    1343             :                     // FALLTHROUGH intended
    1344             :                 case META_TEXTARRAY_ACTION:
    1345             :                     // FALLTHROUGH intended
    1346             :                 case META_STRETCHTEXT_ACTION:
    1347             :                     // FALLTHROUGH intended
    1348             :                 case META_TEXTRECT_ACTION:
    1349             :                     // FALLTHROUGH intended
    1350             : 
    1351             :                 case META_MASK_ACTION:
    1352             :                     // FALLTHROUGH intended
    1353             :                 case META_MASKSCALE_ACTION:
    1354             :                     // FALLTHROUGH intended
    1355             :                 case META_MASKSCALEPART_ACTION:
    1356             :                     // FALLTHROUGH intended
    1357             : 
    1358             :                 case META_GRADIENT_ACTION:
    1359             :                     // FALLTHROUGH intended
    1360             :                 case META_HATCH_ACTION:
    1361             :                     // FALLTHROUGH intended
    1362             :                 case META_WALLPAPER_ACTION:
    1363             :                     // FALLTHROUGH intended
    1364             : 
    1365             :                 case META_TRANSPARENT_ACTION:
    1366             :                     // FALLTHROUGH intended
    1367             :                 case META_EPS_ACTION:
    1368             :                     // FALLTHROUGH intended
    1369             :                 case META_FLOATTRANSPARENT_ACTION:
    1370             :                     // FALLTHROUGH intended
    1371             :                 case META_GRADIENTEX_ACTION:
    1372             :                     // FALLTHROUGH intended
    1373             : 
    1374             :                     // OutDev state changes that _do_ affect bitmap
    1375             :                     // output
    1376             :                 case META_CLIPREGION_ACTION:
    1377             :                     // FALLTHROUGH intended
    1378             :                 case META_ISECTRECTCLIPREGION_ACTION:
    1379             :                     // FALLTHROUGH intended
    1380             :                 case META_ISECTREGIONCLIPREGION_ACTION:
    1381             :                     // FALLTHROUGH intended
    1382             :                 case META_MOVECLIPREGION_ACTION:
    1383             :                     // FALLTHROUGH intended
    1384             : 
    1385             :                 case META_MAPMODE_ACTION:
    1386             :                     // FALLTHROUGH intended
    1387             :                 case META_REFPOINT_ACTION:
    1388             :                     // FALLTHROUGH intended
    1389             :                 default:
    1390           0 :                     bNonBitmapActionEncountered = true;
    1391           0 :                     break;
    1392             :             }
    1393           0 :             if ( pModAct )
    1394             :             {
    1395           0 :                 MetaAction* pDeleteAction = rOutMtf.ReplaceAction( pModAct, nCurPos );
    1396             :                 assert(pDeleteAction);
    1397           0 :                 pDeleteAction->Delete();
    1398             :             }
    1399             :             else
    1400             :             {
    1401           0 :                 if( pAct->GetRefCount() > 1 )
    1402             :                 {
    1403           0 :                     MetaAction* pDeleteAction = rOutMtf.ReplaceAction( pModAct = pAct->Clone(), nCurPos );
    1404             :                     assert(pDeleteAction);
    1405           0 :                     pDeleteAction->Delete();
    1406             :                 }
    1407             :                 else
    1408           0 :                     pModAct = pAct;
    1409             :             }
    1410           0 :             pModAct->Scale( fScaleX, fScaleY );
    1411             :         }
    1412           0 :         rOutMtf.SetPrefSize( Size( FRound( aNewSize.Width() * fScaleX ),
    1413           0 :                                    FRound( aNewSize.Height() * fScaleY ) ) );
    1414             :     }
    1415             : 
    1416           0 :     if( nNumBitmaps != 1 || bNonBitmapActionEncountered )
    1417             :     {
    1418           0 :         if( rAttr.IsSpecialDrawMode() || rAttr.IsAdjusted() || rAttr.IsMirrored() || rAttr.IsRotated() || rAttr.IsTransparent() )
    1419           0 :             ImplAdjust( rOutMtf, rAttr, ADJUSTMENT_ALL );
    1420             : 
    1421           0 :         ImplDraw( pOut, rPt, rSz, rOutMtf, rAttr );
    1422           0 :         rOutBmpEx = BitmapEx();
    1423             :     }
    1424             : 
    1425           0 :     return true;
    1426             : }
    1427             : 
    1428           0 : void GraphicManager::ImplAdjust( BitmapEx& rBmpEx, const GraphicAttr& rAttr, sal_uLong nAdjustmentFlags )
    1429             : {
    1430           0 :     GraphicAttr aAttr( rAttr );
    1431             : 
    1432           0 :     if( ( nAdjustmentFlags & ADJUSTMENT_DRAWMODE ) && aAttr.IsSpecialDrawMode() )
    1433             :     {
    1434           0 :         switch( aAttr.GetDrawMode() )
    1435             :         {
    1436             :             case( GRAPHICDRAWMODE_MONO ):
    1437           0 :                 rBmpEx.Convert( BMP_CONVERSION_1BIT_THRESHOLD );
    1438           0 :             break;
    1439             : 
    1440             :             case( GRAPHICDRAWMODE_GREYS ):
    1441           0 :                 rBmpEx.Convert( BMP_CONVERSION_8BIT_GREYS );
    1442           0 :             break;
    1443             : 
    1444             :             case( GRAPHICDRAWMODE_WATERMARK ):
    1445             :             {
    1446           0 :                 aAttr.SetLuminance( aAttr.GetLuminance() + WATERMARK_LUM_OFFSET );
    1447           0 :                 aAttr.SetContrast( aAttr.GetContrast() + WATERMARK_CON_OFFSET );
    1448             :             }
    1449           0 :             break;
    1450             : 
    1451             :             default:
    1452           0 :             break;
    1453             :         }
    1454             :     }
    1455             : 
    1456           0 :     if( ( nAdjustmentFlags & ADJUSTMENT_COLORS ) && aAttr.IsAdjusted() )
    1457             :     {
    1458           0 :         rBmpEx.Adjust( aAttr.GetLuminance(), aAttr.GetContrast(),
    1459           0 :                        aAttr.GetChannelR(), aAttr.GetChannelG(), aAttr.GetChannelB(),
    1460           0 :                        aAttr.GetGamma(), aAttr.IsInvert() );
    1461             :     }
    1462             : 
    1463           0 :     if( ( nAdjustmentFlags & ADJUSTMENT_MIRROR ) && aAttr.IsMirrored() )
    1464             :     {
    1465           0 :         rBmpEx.Mirror( aAttr.GetMirrorFlags() );
    1466             :     }
    1467             : 
    1468           0 :     if( ( nAdjustmentFlags & ADJUSTMENT_ROTATE ) && aAttr.IsRotated() )
    1469             :     {
    1470           0 :         rBmpEx.Rotate( aAttr.GetRotation(), Color( COL_TRANSPARENT ) );
    1471             :     }
    1472             : 
    1473           0 :     if( ( nAdjustmentFlags & ADJUSTMENT_TRANSPARENCY ) && aAttr.IsTransparent() )
    1474             :     {
    1475           0 :         AlphaMask   aAlpha;
    1476           0 :         sal_uInt8       cTrans = aAttr.GetTransparency();
    1477             : 
    1478           0 :         if( !rBmpEx.IsTransparent() )
    1479           0 :             aAlpha = AlphaMask( rBmpEx.GetSizePixel(), &cTrans );
    1480           0 :         else if( !rBmpEx.IsAlpha() )
    1481             :         {
    1482           0 :             aAlpha = rBmpEx.GetMask();
    1483           0 :             aAlpha.Replace( 0, cTrans );
    1484             :         }
    1485             :         else
    1486             :         {
    1487           0 :             aAlpha = rBmpEx.GetAlpha();
    1488           0 :             BitmapWriteAccess* pA = aAlpha.AcquireWriteAccess();
    1489             : 
    1490           0 :             if( pA )
    1491             :             {
    1492           0 :                 sal_uLong       nTrans = cTrans, nNewTrans;
    1493           0 :                 const long  nWidth = pA->Width(), nHeight = pA->Height();
    1494             : 
    1495           0 :                 if( pA->GetScanlineFormat() == BMP_FORMAT_8BIT_PAL )
    1496             :                 {
    1497           0 :                     for( long nY = 0; nY < nHeight; nY++ )
    1498             :                     {
    1499           0 :                         Scanline pAScan = pA->GetScanline( nY );
    1500             : 
    1501           0 :                         for( long nX = 0; nX < nWidth; nX++ )
    1502             :                         {
    1503           0 :                             nNewTrans = nTrans + *pAScan;
    1504           0 :                             *pAScan++ = (sal_uInt8) ( ( nNewTrans & 0xffffff00 ) ? 255 : nNewTrans );
    1505             :                         }
    1506             :                     }
    1507             :                 }
    1508             :                 else
    1509             :                 {
    1510           0 :                     BitmapColor aAlphaValue( 0 );
    1511             : 
    1512           0 :                     for( long nY = 0; nY < nHeight; nY++ )
    1513             :                     {
    1514           0 :                         for( long nX = 0; nX < nWidth; nX++ )
    1515             :                         {
    1516           0 :                             nNewTrans = nTrans + pA->GetPixel( nY, nX ).GetIndex();
    1517           0 :                             aAlphaValue.SetIndex( (sal_uInt8) ( ( nNewTrans & 0xffffff00 ) ? 255 : nNewTrans ) );
    1518           0 :                             pA->SetPixel( nY, nX, aAlphaValue );
    1519             :                         }
    1520           0 :                     }
    1521             :                 }
    1522             : 
    1523           0 :                 aAlpha.ReleaseAccess( pA );
    1524             :             }
    1525             :         }
    1526             : 
    1527           0 :         rBmpEx = BitmapEx( rBmpEx.GetBitmap(), aAlpha );
    1528           0 :     }
    1529           0 : }
    1530             : 
    1531           0 : void GraphicManager::ImplAdjust( GDIMetaFile& rMtf, const GraphicAttr& rAttr, sal_uLong nAdjustmentFlags )
    1532             : {
    1533           0 :     GraphicAttr aAttr( rAttr );
    1534             : 
    1535           0 :     if( ( nAdjustmentFlags & ADJUSTMENT_DRAWMODE ) && aAttr.IsSpecialDrawMode() )
    1536             :     {
    1537           0 :         switch( aAttr.GetDrawMode() )
    1538             :         {
    1539             :             case( GRAPHICDRAWMODE_MONO ):
    1540           0 :                 rMtf.Convert( MTF_CONVERSION_1BIT_THRESHOLD );
    1541           0 :             break;
    1542             : 
    1543             :             case( GRAPHICDRAWMODE_GREYS ):
    1544           0 :                 rMtf.Convert( MTF_CONVERSION_8BIT_GREYS );
    1545           0 :             break;
    1546             : 
    1547             :             case( GRAPHICDRAWMODE_WATERMARK ):
    1548             :             {
    1549           0 :                 aAttr.SetLuminance( aAttr.GetLuminance() + WATERMARK_LUM_OFFSET );
    1550           0 :                 aAttr.SetContrast( aAttr.GetContrast() + WATERMARK_CON_OFFSET );
    1551             :             }
    1552           0 :             break;
    1553             : 
    1554             :             default:
    1555           0 :             break;
    1556             :         }
    1557             :     }
    1558             : 
    1559           0 :     if( ( nAdjustmentFlags & ADJUSTMENT_COLORS ) && aAttr.IsAdjusted() )
    1560             :     {
    1561           0 :         rMtf.Adjust( aAttr.GetLuminance(), aAttr.GetContrast(),
    1562           0 :                      aAttr.GetChannelR(), aAttr.GetChannelG(), aAttr.GetChannelB(),
    1563           0 :                      aAttr.GetGamma(), aAttr.IsInvert() );
    1564             :     }
    1565             : 
    1566           0 :     if( ( nAdjustmentFlags & ADJUSTMENT_MIRROR ) && aAttr.IsMirrored() )
    1567             :     {
    1568           0 :         rMtf.Mirror( aAttr.GetMirrorFlags() );
    1569             :     }
    1570             : 
    1571           0 :     if( ( nAdjustmentFlags & ADJUSTMENT_ROTATE ) && aAttr.IsRotated() )
    1572             :     {
    1573           0 :         rMtf.Rotate( aAttr.GetRotation() );
    1574             :     }
    1575             : 
    1576           0 :     if( ( nAdjustmentFlags & ADJUSTMENT_TRANSPARENCY ) && aAttr.IsTransparent() )
    1577             :     {
    1578             :         OSL_FAIL( "Missing implementation: Mtf-Transparency" );
    1579           0 :     }
    1580           0 : }
    1581             : 
    1582           0 : void GraphicManager::ImplAdjust( Animation& rAnimation, const GraphicAttr& rAttr, sal_uLong nAdjustmentFlags )
    1583             : {
    1584           0 :     GraphicAttr aAttr( rAttr );
    1585             : 
    1586           0 :     if( ( nAdjustmentFlags & ADJUSTMENT_DRAWMODE ) && aAttr.IsSpecialDrawMode() )
    1587             :     {
    1588           0 :         switch( aAttr.GetDrawMode() )
    1589             :         {
    1590             :             case( GRAPHICDRAWMODE_MONO ):
    1591           0 :                 rAnimation.Convert( BMP_CONVERSION_1BIT_THRESHOLD );
    1592           0 :             break;
    1593             : 
    1594             :             case( GRAPHICDRAWMODE_GREYS ):
    1595           0 :                 rAnimation.Convert( BMP_CONVERSION_8BIT_GREYS );
    1596           0 :             break;
    1597             : 
    1598             :             case( GRAPHICDRAWMODE_WATERMARK ):
    1599             :             {
    1600           0 :                 aAttr.SetLuminance( aAttr.GetLuminance() + WATERMARK_LUM_OFFSET );
    1601           0 :                 aAttr.SetContrast( aAttr.GetContrast() + WATERMARK_CON_OFFSET );
    1602             :             }
    1603           0 :             break;
    1604             : 
    1605             :             default:
    1606           0 :             break;
    1607             :         }
    1608             :     }
    1609             : 
    1610           0 :     if( ( nAdjustmentFlags & ADJUSTMENT_COLORS ) && aAttr.IsAdjusted() )
    1611             :     {
    1612           0 :         rAnimation.Adjust( aAttr.GetLuminance(), aAttr.GetContrast(),
    1613           0 :                            aAttr.GetChannelR(), aAttr.GetChannelG(), aAttr.GetChannelB(),
    1614           0 :                            aAttr.GetGamma(), aAttr.IsInvert() );
    1615             :     }
    1616             : 
    1617           0 :     if( ( nAdjustmentFlags & ADJUSTMENT_MIRROR ) && aAttr.IsMirrored() )
    1618             :     {
    1619           0 :         rAnimation.Mirror( aAttr.GetMirrorFlags() );
    1620             :     }
    1621             : 
    1622           0 :     if( ( nAdjustmentFlags & ADJUSTMENT_ROTATE ) && aAttr.IsRotated() )
    1623             :     {
    1624             :         OSL_FAIL( "Missing implementation: Animation-Rotation" );
    1625             :     }
    1626             : 
    1627           0 :     if( ( nAdjustmentFlags & ADJUSTMENT_TRANSPARENCY ) && aAttr.IsTransparent() )
    1628             :     {
    1629             :         OSL_FAIL( "Missing implementation: Animation-Transparency" );
    1630           0 :     }
    1631           0 : }
    1632             : 
    1633           0 : void GraphicManager::ImplDraw( OutputDevice* pOut, const Point& rPt, const Size& rSz,
    1634             :                                const GDIMetaFile& rMtf, const GraphicAttr& rAttr )
    1635             : {
    1636           0 :        sal_uInt16   nRot10 = rAttr.GetRotation() % 3600;
    1637           0 :     Point   aOutPt( rPt );
    1638           0 :     Size    aOutSz( rSz );
    1639             : 
    1640           0 :     if( nRot10 )
    1641             :     {
    1642           0 :         Polygon aPoly( Rectangle( aOutPt, aOutSz ) );
    1643             : 
    1644           0 :         aPoly.Rotate( aOutPt, nRot10 );
    1645           0 :         const Rectangle aRotBoundRect( aPoly.GetBoundRect() );
    1646           0 :         aOutPt = aRotBoundRect.TopLeft();
    1647           0 :         aOutSz = aRotBoundRect.GetSize();
    1648             :     }
    1649             : 
    1650           0 :     pOut->Push( PushFlags::CLIPREGION );
    1651           0 :     pOut->IntersectClipRegion( Rectangle( aOutPt, aOutSz ) );
    1652             : 
    1653           0 :     ( (GDIMetaFile&) rMtf ).WindStart();
    1654           0 :     ( (GDIMetaFile&) rMtf ).Play( pOut, aOutPt, aOutSz );
    1655           0 :     ( (GDIMetaFile&) rMtf ).WindStart();
    1656             : 
    1657           0 :     pOut->Pop();
    1658           0 : }
    1659             : 
    1660             : struct ImplTileInfo
    1661             : {
    1662           0 :     ImplTileInfo() : aTileTopLeft(), aNextTileTopLeft(), aTileSizePixel(), nTilesEmptyX(0), nTilesEmptyY(0) {}
    1663             : 
    1664             :     Point aTileTopLeft;     // top, left position of the rendered tile
    1665             :     Point aNextTileTopLeft; // top, left position for next recursion
    1666             :                             // level's tile
    1667             :     Size  aTileSizePixel;   // size of the generated tile (might
    1668             :                             // differ from
    1669             :                             // aNextTileTopLeft-aTileTopLeft, because
    1670             :                             // this is nExponent*prevTileSize. The
    1671             :                             // generated tile is always nExponent
    1672             :                             // times the previous tile, such that it
    1673             :                             // can be used in the next stage. The
    1674             :                             // required area coverage is often
    1675             :                             // less. The extraneous area covered is
    1676             :                             // later overwritten by the next stage)
    1677             :     int   nTilesEmptyX;     // number of original tiles empty right of
    1678             :                             // this tile. This counts from
    1679             :                             // aNextTileTopLeft, i.e. the additional
    1680             :                             // area covered by aTileSizePixel is not
    1681             :                             // considered here. This is for
    1682             :                             // unification purposes, as the iterative
    1683             :                             // calculation of the next level's empty
    1684             :                             // tiles has to be based on this value.
    1685             :     int   nTilesEmptyY;     // as above, for Y
    1686             : };
    1687             : 
    1688             : 
    1689           0 : bool GraphicObject::ImplRenderTempTile( VirtualDevice& rVDev, int nExponent,
    1690             :                                         int nNumTilesX, int nNumTilesY,
    1691             :                                         const Size& rTileSizePixel,
    1692             :                                         const GraphicAttr* pAttr, sal_uLong nFlags )
    1693             : {
    1694           0 :     if( nExponent <= 1 )
    1695           0 :         return false;
    1696             : 
    1697             :     // determine MSB factor
    1698           0 :     int nMSBFactor( 1 );
    1699           0 :     while( nNumTilesX / nMSBFactor != 0 ||
    1700           0 :            nNumTilesY / nMSBFactor != 0 )
    1701             :     {
    1702           0 :         nMSBFactor *= nExponent;
    1703             :     }
    1704             : 
    1705             :     // one less
    1706           0 :     nMSBFactor /= nExponent;
    1707             : 
    1708           0 :     ImplTileInfo aTileInfo;
    1709             : 
    1710             :     // #105229# Switch off mapping (converting to logic and back to
    1711             :     // pixel might cause roundoff errors)
    1712           0 :     bool bOldMap( rVDev.IsMapModeEnabled() );
    1713           0 :     rVDev.EnableMapMode( false );
    1714             : 
    1715             :     bool bRet( ImplRenderTileRecursive( rVDev, nExponent, nMSBFactor, nNumTilesX, nNumTilesY,
    1716           0 :                                         nNumTilesX, nNumTilesY, rTileSizePixel, pAttr, nFlags, aTileInfo ) );
    1717             : 
    1718           0 :     rVDev.EnableMapMode( bOldMap );
    1719             : 
    1720           0 :     return bRet;
    1721             : }
    1722             : 
    1723             : // define for debug drawings
    1724             : //#define DBG_TEST
    1725             : 
    1726             : // see header comment. this works similar to base conversion of a
    1727             : // number, i.e. if the exponent is 10, then the number for every tile
    1728             : // size is given by the decimal place of the corresponding decimal
    1729             : // representation.
    1730           0 : bool GraphicObject::ImplRenderTileRecursive( VirtualDevice& rVDev, int nExponent, int nMSBFactor,
    1731             :                                              int nNumOrigTilesX, int nNumOrigTilesY,
    1732             :                                              int nRemainderTilesX, int nRemainderTilesY,
    1733             :                                              const Size& rTileSizePixel, const GraphicAttr* pAttr,
    1734             :                                              sal_uLong nFlags, ImplTileInfo& rTileInfo )
    1735             : {
    1736             :     // gets loaded with our tile bitmap
    1737           0 :     GraphicObject aTmpGraphic;
    1738             : 
    1739             :     // stores a flag that renders the zero'th tile position
    1740             :     // (i.e. (0,0)+rCurrPos) only if we're at the bottom of the
    1741             :     // recursion stack. All other position already have that tile
    1742             :     // rendered, because the lower levels painted their generated tile
    1743             :     // there.
    1744           0 :     bool bNoFirstTileDraw( false );
    1745             : 
    1746             :     // what's left when we're done with our tile size
    1747           0 :     const int nNewRemainderX( nRemainderTilesX % nMSBFactor );
    1748           0 :     const int nNewRemainderY( nRemainderTilesY % nMSBFactor );
    1749             : 
    1750             :     // gets filled out from the recursive call with info of what's
    1751             :     // been generated
    1752           0 :     ImplTileInfo aTileInfo;
    1753             : 
    1754             :     // current output position while drawing
    1755           0 :     Point aCurrPos;
    1756             :     int nX, nY;
    1757             : 
    1758             :     // check for recursion's end condition: LSB place reached?
    1759           0 :     if( nMSBFactor == 1 )
    1760             :     {
    1761           0 :         aTmpGraphic = *this;
    1762             : 
    1763             :         // set initial tile size -> orig size
    1764           0 :         aTileInfo.aTileSizePixel = rTileSizePixel;
    1765           0 :         aTileInfo.nTilesEmptyX = nNumOrigTilesX;
    1766           0 :         aTileInfo.nTilesEmptyY = nNumOrigTilesY;
    1767             :     }
    1768           0 :     else if( ImplRenderTileRecursive( rVDev, nExponent, nMSBFactor/nExponent,
    1769             :                                       nNumOrigTilesX, nNumOrigTilesY,
    1770             :                                       nNewRemainderX, nNewRemainderY,
    1771           0 :                                       rTileSizePixel, pAttr, nFlags, aTileInfo ) )
    1772             :     {
    1773             :         // extract generated tile -> see comment on the first loop below
    1774           0 :         BitmapEx aTileBitmap( rVDev.GetBitmap( aTileInfo.aTileTopLeft, aTileInfo.aTileSizePixel ) );
    1775             : 
    1776           0 :         aTmpGraphic = GraphicObject( aTileBitmap );
    1777             : 
    1778             :         // fill stripes left over from upstream levels:
    1779             : 
    1780             :         //  x0000
    1781             :         //  0
    1782             :         //  0
    1783             :         //  0
    1784             :         //  0
    1785             : 
    1786             :         // where x denotes the place filled by our recursive predecessors
    1787             : 
    1788             :         // check whether we have to fill stripes here. Although not
    1789             :         // obvious, there is one case where we can skip this step: if
    1790             :         // the previous recursion level (the one who filled our
    1791             :         // aTileInfo) had zero area to fill, then there are no white
    1792             :         // stripes left, naturally. This happens if the digit
    1793             :         // associated to that level has a zero, and can be checked via
    1794             :         // aTileTopLeft==aNextTileTopLeft.
    1795           0 :         if( aTileInfo.aTileTopLeft != aTileInfo.aNextTileTopLeft )
    1796             :         {
    1797             :             // now fill one row from aTileInfo.aNextTileTopLeft.X() all
    1798             :             // the way to the right
    1799           0 :             aCurrPos.X() = aTileInfo.aNextTileTopLeft.X();
    1800           0 :             aCurrPos.Y() = aTileInfo.aTileTopLeft.Y();
    1801           0 :             for( nX=0; nX < aTileInfo.nTilesEmptyX; nX += nMSBFactor )
    1802             :             {
    1803           0 :                 if( !aTmpGraphic.Draw( &rVDev, aCurrPos, aTileInfo.aTileSizePixel, pAttr, nFlags ) )
    1804           0 :                     return false;
    1805             : 
    1806           0 :                 aCurrPos.X() += aTileInfo.aTileSizePixel.Width();
    1807             :             }
    1808             : 
    1809             : #ifdef DBG_TEST
    1810             : //          rVDev.SetFillColor( COL_WHITE );
    1811             :             rVDev.SetFillColor();
    1812             :             rVDev.SetLineColor( Color( 255 * nExponent / nMSBFactor, 255 - 255 * nExponent / nMSBFactor, 128 - 255 * nExponent / nMSBFactor ) );
    1813             :             rVDev.DrawEllipse( Rectangle(aTileInfo.aNextTileTopLeft.X(), aTileInfo.aTileTopLeft.Y(),
    1814             :                                          aTileInfo.aNextTileTopLeft.X() - 1 + (aTileInfo.nTilesEmptyX/nMSBFactor)*aTileInfo.aTileSizePixel.Width(),
    1815             :                                          aTileInfo.aTileTopLeft.Y() + aTileInfo.aTileSizePixel.Height() - 1) );
    1816             : #endif
    1817             : 
    1818             :             // now fill one column from aTileInfo.aNextTileTopLeft.Y() all
    1819             :             // the way to the bottom
    1820           0 :             aCurrPos.X() = aTileInfo.aTileTopLeft.X();
    1821           0 :             aCurrPos.Y() = aTileInfo.aNextTileTopLeft.Y();
    1822           0 :             for( nY=0; nY < aTileInfo.nTilesEmptyY; nY += nMSBFactor )
    1823             :             {
    1824           0 :                 if( !aTmpGraphic.Draw( &rVDev, aCurrPos, aTileInfo.aTileSizePixel, pAttr, nFlags ) )
    1825           0 :                     return false;
    1826             : 
    1827           0 :                 aCurrPos.Y() += aTileInfo.aTileSizePixel.Height();
    1828             :             }
    1829             : 
    1830             : #ifdef DBG_TEST
    1831             :             rVDev.DrawEllipse( Rectangle(aTileInfo.aTileTopLeft.X(), aTileInfo.aNextTileTopLeft.Y(),
    1832             :                                          aTileInfo.aTileTopLeft.X() + aTileInfo.aTileSizePixel.Width() - 1,
    1833             :                                          aTileInfo.aNextTileTopLeft.Y() - 1 + (aTileInfo.nTilesEmptyY/nMSBFactor)*aTileInfo.aTileSizePixel.Height()) );
    1834             : #endif
    1835             :         }
    1836             :         else
    1837             :         {
    1838             :             // Thought that aTileInfo.aNextTileTopLeft tile has always
    1839             :             // been drawn already, but that's wrong: typically,
    1840             :             // _parts_ of that tile have been drawn, since the
    1841             :             // previous level generated the tile there. But when
    1842             :             // aTileInfo.aNextTileTopLeft!=aTileInfo.aTileTopLeft, the
    1843             :             // difference between these two values is missing in the
    1844             :             // lower right corner of this first tile. So, can do that
    1845             :             // only here.
    1846           0 :             bNoFirstTileDraw = true;
    1847           0 :         }
    1848             :     }
    1849             :     else
    1850             :     {
    1851           0 :         return false;
    1852             :     }
    1853             : 
    1854             :     // calc number of original tiles in our drawing area without
    1855             :     // remainder
    1856           0 :     nRemainderTilesX -= nNewRemainderX;
    1857           0 :     nRemainderTilesY -= nNewRemainderY;
    1858             : 
    1859             :     // fill tile info for calling method
    1860           0 :     rTileInfo.aTileTopLeft     = aTileInfo.aNextTileTopLeft;
    1861           0 :     rTileInfo.aNextTileTopLeft = Point( rTileInfo.aTileTopLeft.X() + rTileSizePixel.Width()*nRemainderTilesX,
    1862           0 :                                         rTileInfo.aTileTopLeft.Y() + rTileSizePixel.Height()*nRemainderTilesY );
    1863           0 :     rTileInfo.aTileSizePixel   = Size( rTileSizePixel.Width()*nMSBFactor*nExponent,
    1864           0 :                                        rTileSizePixel.Height()*nMSBFactor*nExponent );
    1865           0 :     rTileInfo.nTilesEmptyX     = aTileInfo.nTilesEmptyX - nRemainderTilesX;
    1866           0 :     rTileInfo.nTilesEmptyY     = aTileInfo.nTilesEmptyY - nRemainderTilesY;
    1867             : 
    1868             :     // init output position
    1869           0 :     aCurrPos = aTileInfo.aNextTileTopLeft;
    1870             : 
    1871             :     // fill our drawing area. Fill possibly more, to create the next
    1872             :     // bigger tile size -> see bitmap extraction above. This does no
    1873             :     // harm, since everything right or below our actual area is
    1874             :     // overdrawn by our caller. Just in case we're in the last level,
    1875             :     // we don't draw beyond the right or bottom border.
    1876           0 :     for( nY=0; nY < aTileInfo.nTilesEmptyY && nY < nExponent*nMSBFactor; nY += nMSBFactor )
    1877             :     {
    1878           0 :         aCurrPos.X() = aTileInfo.aNextTileTopLeft.X();
    1879             : 
    1880           0 :         for( nX=0; nX < aTileInfo.nTilesEmptyX && nX < nExponent*nMSBFactor; nX += nMSBFactor )
    1881             :         {
    1882           0 :             if( bNoFirstTileDraw )
    1883           0 :                 bNoFirstTileDraw = false; // don't draw first tile position
    1884           0 :             else if( !aTmpGraphic.Draw( &rVDev, aCurrPos, aTileInfo.aTileSizePixel, pAttr, nFlags ) )
    1885           0 :                 return false;
    1886             : 
    1887           0 :             aCurrPos.X() += aTileInfo.aTileSizePixel.Width();
    1888             :         }
    1889             : 
    1890           0 :         aCurrPos.Y() += aTileInfo.aTileSizePixel.Height();
    1891             :     }
    1892             : 
    1893             : #ifdef DBG_TEST
    1894             : //  rVDev.SetFillColor( COL_WHITE );
    1895             :     rVDev.SetFillColor();
    1896             :     rVDev.SetLineColor( Color( 255 * nExponent / nMSBFactor, 255 - 255 * nExponent / nMSBFactor, 128 - 255 * nExponent / nMSBFactor ) );
    1897             :     rVDev.DrawRect( Rectangle((rTileInfo.aTileTopLeft.X())*rTileSizePixel.Width(),
    1898             :                               (rTileInfo.aTileTopLeft.Y())*rTileSizePixel.Height(),
    1899             :                               (rTileInfo.aNextTileTopLeft.X())*rTileSizePixel.Width()-1,
    1900             :                               (rTileInfo.aNextTileTopLeft.Y())*rTileSizePixel.Height()-1) );
    1901             : #endif
    1902             : 
    1903           0 :     return true;
    1904             : }
    1905             : 
    1906           0 : bool GraphicObject::ImplDrawTiled( OutputDevice* pOut, const Rectangle& rArea, const Size& rSizePixel,
    1907             :                                    const Size& rOffset, const GraphicAttr* pAttr, sal_uLong nFlags, int nTileCacheSize1D )
    1908             : {
    1909             :     // how many tiles to generate per recursion step
    1910             :     enum{ SubdivisionExponent=2 };
    1911             : 
    1912           0 :     const MapMode   aOutMapMode( pOut->GetMapMode() );
    1913           0 :     const MapMode   aMapMode( aOutMapMode.GetMapUnit(), Point(), aOutMapMode.GetScaleX(), aOutMapMode.GetScaleY() );
    1914           0 :     bool            bRet( false );
    1915             : 
    1916             :     // #i42643# Casting to Int64, to avoid integer overflow for
    1917             :     // huge-DPI output devices
    1918           0 :     if( GetGraphic().GetType() == GRAPHIC_BITMAP &&
    1919           0 :         static_cast<sal_Int64>(rSizePixel.Width()) * rSizePixel.Height() <
    1920           0 :         static_cast<sal_Int64>(nTileCacheSize1D)*nTileCacheSize1D )
    1921             :     {
    1922             :         // First combine very small bitmaps into a larger tile
    1923             : 
    1924             : 
    1925           0 :         VirtualDevice   aVDev;
    1926           0 :         const int       nNumTilesInCacheX( (nTileCacheSize1D + rSizePixel.Width()-1) / rSizePixel.Width() );
    1927           0 :         const int       nNumTilesInCacheY( (nTileCacheSize1D + rSizePixel.Height()-1) / rSizePixel.Height() );
    1928             : 
    1929           0 :         aVDev.SetOutputSizePixel( Size( nNumTilesInCacheX*rSizePixel.Width(),
    1930           0 :                                         nNumTilesInCacheY*rSizePixel.Height() ) );
    1931           0 :         aVDev.SetMapMode( aMapMode );
    1932             : 
    1933             :         // draw bitmap content
    1934           0 :         if( ImplRenderTempTile( aVDev, SubdivisionExponent, nNumTilesInCacheX,
    1935             :                                 nNumTilesInCacheY, rSizePixel, pAttr, nFlags ) )
    1936             :         {
    1937           0 :             BitmapEx aTileBitmap( aVDev.GetBitmap( Point(0,0), aVDev.GetOutputSize() ) );
    1938             : 
    1939             :             // draw alpha content, if any
    1940           0 :             if( IsTransparent() )
    1941             :             {
    1942           0 :                 GraphicObject aAlphaGraphic;
    1943             : 
    1944           0 :                 if( GetGraphic().IsAlpha() )
    1945           0 :                     aAlphaGraphic.SetGraphic( GetGraphic().GetBitmapEx().GetAlpha().GetBitmap() );
    1946             :                 else
    1947           0 :                     aAlphaGraphic.SetGraphic( GetGraphic().GetBitmapEx().GetMask() );
    1948             : 
    1949           0 :                 if( aAlphaGraphic.ImplRenderTempTile( aVDev, SubdivisionExponent, nNumTilesInCacheX,
    1950             :                                                       nNumTilesInCacheY, rSizePixel, pAttr, nFlags ) )
    1951             :                 {
    1952             :                     // Combine bitmap and alpha/mask
    1953           0 :                     if( GetGraphic().IsAlpha() )
    1954           0 :                         aTileBitmap = BitmapEx( aTileBitmap.GetBitmap(),
    1955           0 :                                                 AlphaMask( aVDev.GetBitmap( Point(0,0), aVDev.GetOutputSize() ) ) );
    1956             :                     else
    1957           0 :                         aTileBitmap = BitmapEx( aTileBitmap.GetBitmap(),
    1958           0 :                                                 aVDev.GetBitmap( Point(0,0), aVDev.GetOutputSize() ).CreateMask( Color(COL_WHITE) ) );
    1959           0 :                 }
    1960             :             }
    1961             : 
    1962             :             // paint generated tile
    1963           0 :             GraphicObject aTmpGraphic( aTileBitmap );
    1964             :             bRet = aTmpGraphic.ImplDrawTiled( pOut, rArea,
    1965           0 :                                               aTileBitmap.GetSizePixel(),
    1966           0 :                                               rOffset, pAttr, nFlags, nTileCacheSize1D );
    1967           0 :         }
    1968             :     }
    1969             :     else
    1970             :     {
    1971           0 :         const Size      aOutOffset( pOut->LogicToPixel( rOffset, aOutMapMode ) );
    1972           0 :         const Rectangle aOutArea( pOut->LogicToPixel( rArea, aOutMapMode ) );
    1973             : 
    1974             :         // number of invisible (because out-of-area) tiles
    1975             :         int nInvisibleTilesX;
    1976             :         int nInvisibleTilesY;
    1977             : 
    1978             :         // round towards -infty for negative offset
    1979           0 :         if( aOutOffset.Width() < 0 )
    1980           0 :             nInvisibleTilesX = (aOutOffset.Width() - rSizePixel.Width() + 1) / rSizePixel.Width();
    1981             :         else
    1982           0 :             nInvisibleTilesX = aOutOffset.Width() / rSizePixel.Width();
    1983             : 
    1984             :         // round towards -infty for negative offset
    1985           0 :         if( aOutOffset.Height() < 0 )
    1986           0 :             nInvisibleTilesY = (aOutOffset.Height() - rSizePixel.Height() + 1) / rSizePixel.Height();
    1987             :         else
    1988           0 :             nInvisibleTilesY = aOutOffset.Height() / rSizePixel.Height();
    1989             : 
    1990             :         // origin from where to 'virtually' start drawing in pixel
    1991           0 :         const Point aOutOrigin( pOut->LogicToPixel( Point( rArea.Left() - rOffset.Width(),
    1992           0 :                                                            rArea.Top() - rOffset.Height() ) ) );
    1993             :         // position in pixel from where to really start output
    1994           0 :         const Point aOutStart( aOutOrigin.X() + nInvisibleTilesX*rSizePixel.Width(),
    1995           0 :                                aOutOrigin.Y() + nInvisibleTilesY*rSizePixel.Height() );
    1996             : 
    1997           0 :         pOut->Push( PushFlags::CLIPREGION );
    1998           0 :         pOut->IntersectClipRegion( rArea );
    1999             : 
    2000             :         // Paint all tiles
    2001             : 
    2002             : 
    2003             :         bRet = ImplDrawTiled( *pOut, aOutStart,
    2004           0 :                               (aOutArea.GetWidth() + aOutArea.Left() - aOutStart.X() + rSizePixel.Width() - 1) / rSizePixel.Width(),
    2005           0 :                               (aOutArea.GetHeight() + aOutArea.Top() - aOutStart.Y() + rSizePixel.Height() - 1) / rSizePixel.Height(),
    2006           0 :                               rSizePixel, pAttr, nFlags );
    2007             : 
    2008           0 :         pOut->Pop();
    2009             :     }
    2010             : 
    2011           0 :     return bRet;
    2012             : }
    2013             : 
    2014           0 : bool GraphicObject::ImplDrawTiled( OutputDevice& rOut, const Point& rPosPixel,
    2015             :                                    int nNumTilesX, int nNumTilesY,
    2016             :                                    const Size& rTileSizePixel, const GraphicAttr* pAttr, sal_uLong nFlags )
    2017             : {
    2018           0 :     Point   aCurrPos( rPosPixel );
    2019           0 :     Size    aTileSizeLogic( rOut.PixelToLogic( rTileSizePixel ) );
    2020             :     int     nX, nY;
    2021             : 
    2022             :     // #107607# Use logical coordinates for metafile playing, too
    2023           0 :     bool    bDrawInPixel( rOut.GetConnectMetaFile() == NULL && GRAPHIC_BITMAP == GetType() );
    2024           0 :     bool    bRet = false;
    2025             : 
    2026             :     // #105229# Switch off mapping (converting to logic and back to
    2027             :     // pixel might cause roundoff errors)
    2028           0 :     bool bOldMap( rOut.IsMapModeEnabled() );
    2029             : 
    2030           0 :     if( bDrawInPixel )
    2031           0 :         rOut.EnableMapMode( false );
    2032             : 
    2033           0 :     for( nY=0; nY < nNumTilesY; ++nY )
    2034             :     {
    2035           0 :         aCurrPos.X() = rPosPixel.X();
    2036             : 
    2037           0 :         for( nX=0; nX < nNumTilesX; ++nX )
    2038             :         {
    2039             :             // #105229# work with pixel coordinates here, mapping is disabled!
    2040             :             // #104004# don't disable mapping for metafile recordings
    2041             :             // #108412# don't quit the loop if one draw fails
    2042             : 
    2043             :             // update return value. This method should return true, if
    2044             :             // at least one of the looped Draws succeeded.
    2045             :             bRet |= Draw( &rOut,
    2046             :                           bDrawInPixel ? aCurrPos : rOut.PixelToLogic( aCurrPos ),
    2047             :                           bDrawInPixel ? rTileSizePixel : aTileSizeLogic,
    2048           0 :                           pAttr, nFlags );
    2049             : 
    2050           0 :             aCurrPos.X() += rTileSizePixel.Width();
    2051             :         }
    2052             : 
    2053           0 :         aCurrPos.Y() += rTileSizePixel.Height();
    2054             :     }
    2055             : 
    2056           0 :     if( bDrawInPixel )
    2057           0 :         rOut.EnableMapMode( bOldMap );
    2058             : 
    2059           0 :     return bRet;
    2060             : }
    2061             : 
    2062           0 : void GraphicObject::ImplTransformBitmap( BitmapEx&          rBmpEx,
    2063             :                                          const GraphicAttr& rAttr,
    2064             :                                          const Size&        rCropLeftTop,
    2065             :                                          const Size&        rCropRightBottom,
    2066             :                                          const Rectangle&   rCropRect,
    2067             :                                          const Size&        rDstSize,
    2068             :                                          bool               bEnlarge ) const
    2069             : {
    2070             :     // #107947# Extracted from svdograf.cxx
    2071             : 
    2072             :     // #104115# Crop the bitmap
    2073           0 :     if( rAttr.IsCropped() )
    2074             :     {
    2075           0 :         rBmpEx.Crop( rCropRect );
    2076             : 
    2077             :         // #104115# Negative crop sizes mean: enlarge bitmap and pad
    2078           0 :         if( bEnlarge && (
    2079           0 :             rCropLeftTop.Width() < 0 ||
    2080           0 :             rCropLeftTop.Height() < 0 ||
    2081           0 :             rCropRightBottom.Width() < 0 ||
    2082           0 :             rCropRightBottom.Height() < 0 ) )
    2083             :         {
    2084           0 :             Size aBmpSize( rBmpEx.GetSizePixel() );
    2085           0 :             sal_Int32 nPadLeft( rCropLeftTop.Width() < 0 ? -rCropLeftTop.Width() : 0 );
    2086           0 :             sal_Int32 nPadTop( rCropLeftTop.Height() < 0 ? -rCropLeftTop.Height() : 0 );
    2087           0 :             sal_Int32 nPadTotalWidth( aBmpSize.Width() + nPadLeft + (rCropRightBottom.Width() < 0 ? -rCropRightBottom.Width() : 0) );
    2088           0 :             sal_Int32 nPadTotalHeight( aBmpSize.Height() + nPadTop + (rCropRightBottom.Height() < 0 ? -rCropRightBottom.Height() : 0) );
    2089             : 
    2090           0 :             BitmapEx aBmpEx2;
    2091             : 
    2092           0 :             if( rBmpEx.IsTransparent() )
    2093             :             {
    2094           0 :                 if( rBmpEx.IsAlpha() )
    2095           0 :                     aBmpEx2 = BitmapEx( rBmpEx.GetBitmap(), rBmpEx.GetAlpha() );
    2096             :                 else
    2097           0 :                     aBmpEx2 = BitmapEx( rBmpEx.GetBitmap(), rBmpEx.GetMask() );
    2098             :             }
    2099             :             else
    2100             :             {
    2101             :                 // #104115# Generate mask bitmap and init to zero
    2102           0 :                 Bitmap aMask( aBmpSize, 1 );
    2103           0 :                 aMask.Erase( Color(0,0,0) );
    2104             : 
    2105             :                 // #104115# Always generate transparent bitmap, we need the border transparent
    2106           0 :                 aBmpEx2 = BitmapEx( rBmpEx.GetBitmap(), aMask );
    2107             : 
    2108             :                 // #104115# Add opaque mask to source bitmap, otherwise the destination remains transparent
    2109           0 :                 rBmpEx = aBmpEx2;
    2110             :             }
    2111             : 
    2112           0 :             aBmpEx2.SetSizePixel( Size(nPadTotalWidth, nPadTotalHeight) );
    2113           0 :             aBmpEx2.Erase( Color(0xFF,0,0,0) );
    2114           0 :             aBmpEx2.CopyPixel( Rectangle( Point(nPadLeft, nPadTop), aBmpSize ), Rectangle( Point(0, 0), aBmpSize ), &rBmpEx );
    2115           0 :             rBmpEx = aBmpEx2;
    2116             :         }
    2117             :     }
    2118             : 
    2119           0 :     const Size  aSizePixel( rBmpEx.GetSizePixel() );
    2120             : 
    2121           0 :     if( rAttr.GetRotation() != 0 && !IsAnimated() )
    2122             :     {
    2123           0 :         if( aSizePixel.Width() && aSizePixel.Height() && rDstSize.Width() && rDstSize.Height() )
    2124             :         {
    2125           0 :             double fSrcWH = (double) aSizePixel.Width() / aSizePixel.Height();
    2126           0 :             double fDstWH = (double) rDstSize.Width() / rDstSize.Height();
    2127           0 :             double fScaleX = 1.0, fScaleY = 1.0;
    2128             : 
    2129             :             // always choose scaling to shrink bitmap
    2130           0 :             if( fSrcWH < fDstWH )
    2131           0 :                 fScaleY = aSizePixel.Width() / ( fDstWH * aSizePixel.Height() );
    2132             :             else
    2133           0 :                 fScaleX = fDstWH * aSizePixel.Height() / aSizePixel.Width();
    2134             : 
    2135           0 :             rBmpEx.Scale( fScaleX, fScaleY );
    2136             :         }
    2137             :     }
    2138        1227 : }
    2139             : 
    2140             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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