LCOV - code coverage report
Current view: top level - libreoffice/drawinglayer/source/attribute - sdrfillbitmapattribute.cxx (source / functions) Hit Total Coverage
Test: libreoffice_filtered.info Lines: 25 146 17.1 %
Date: 2012-12-17 Functions: 7 27 25.9 %
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 <drawinglayer/attribute/sdrfillbitmapattribute.hxx>
      21             : #include <drawinglayer/attribute/fillbitmapattribute.hxx>
      22             : #include <vcl/bitmapex.hxx>
      23             : 
      24             : //////////////////////////////////////////////////////////////////////////////
      25             : 
      26             : namespace drawinglayer
      27             : {
      28             :     namespace attribute
      29             :     {
      30           0 :         class ImpSdrFillBitmapAttribute
      31             :         {
      32             :         public:
      33             :             // refcounter
      34             :             sal_uInt32                              mnRefCount;
      35             : 
      36             :             // data definitions
      37             :             Bitmap                                  maBitmap;
      38             :             basegfx::B2DVector                      maSize;
      39             :             basegfx::B2DVector                      maOffset;
      40             :             basegfx::B2DVector                      maOffsetPosition;
      41             :             basegfx::B2DVector                      maRectPoint;
      42             : 
      43             :             // bitfield
      44             :             unsigned                                mbTiling : 1;
      45             :             unsigned                                mbStretch : 1;
      46             :             unsigned                                mbLogSize : 1;
      47             : 
      48          18 :             ImpSdrFillBitmapAttribute(
      49             :                 const Bitmap& rBitmap,
      50             :                 const basegfx::B2DVector& rSize,
      51             :                 const basegfx::B2DVector& rOffset,
      52             :                 const basegfx::B2DVector& rOffsetPosition,
      53             :                 const basegfx::B2DVector& rRectPoint,
      54             :                 bool bTiling,
      55             :                 bool bStretch,
      56             :                 bool bLogSize)
      57             :             :   mnRefCount(0),
      58             :                 maBitmap(rBitmap),
      59             :                 maSize(rSize),
      60             :                 maOffset(rOffset),
      61             :                 maOffsetPosition(rOffsetPosition),
      62             :                 maRectPoint(rRectPoint),
      63             :                 mbTiling(bTiling),
      64             :                 mbStretch(bStretch),
      65          18 :                 mbLogSize(bLogSize)
      66             :             {
      67          18 :             }
      68             : 
      69             :             // data read access
      70           0 :             const Bitmap& getBitmap() const { return maBitmap; }
      71           0 :             const basegfx::B2DVector& getSize() const { return maSize; }
      72           0 :             const basegfx::B2DVector& getOffset() const { return maOffset; }
      73           0 :             const basegfx::B2DVector& getOffsetPosition() const { return maOffsetPosition; }
      74           0 :             const basegfx::B2DVector& getRectPoint() const { return maRectPoint; }
      75           0 :             bool getTiling() const { return mbTiling; }
      76           0 :             bool getStretch() const { return mbStretch; }
      77           0 :             bool getLogSize() const { return mbLogSize; }
      78             : 
      79           0 :             bool operator==(const ImpSdrFillBitmapAttribute& rCandidate) const
      80             :             {
      81           0 :                 return (getBitmap() == rCandidate.getBitmap()
      82           0 :                     && getSize() == rCandidate.getSize()
      83           0 :                     && getOffset() == rCandidate.getOffset()
      84           0 :                     && getOffsetPosition() == rCandidate.getOffsetPosition()
      85           0 :                     && getRectPoint() == rCandidate.getRectPoint()
      86           0 :                     && getTiling() == rCandidate.getTiling()
      87           0 :                     && getStretch() == rCandidate.getStretch()
      88           0 :                     && getLogSize() == rCandidate.getLogSize());
      89             :             }
      90             : 
      91         126 :             static ImpSdrFillBitmapAttribute* get_global_default()
      92             :             {
      93             :                 static ImpSdrFillBitmapAttribute* pDefault = 0;
      94             : 
      95         126 :                 if(!pDefault)
      96             :                 {
      97             :                     pDefault = new ImpSdrFillBitmapAttribute(
      98             :                         Bitmap(),
      99             :                         basegfx::B2DVector(),
     100             :                         basegfx::B2DVector(),
     101             :                         basegfx::B2DVector(),
     102             :                         basegfx::B2DVector(),
     103             :                         false,
     104             :                         false,
     105          18 :                         false);
     106             : 
     107             :                     // never delete; start with RefCount 1, not 0
     108          18 :                     pDefault->mnRefCount++;
     109             :                 }
     110             : 
     111         126 :                 return pDefault;
     112             :             }
     113             :         };
     114             : 
     115           0 :         SdrFillBitmapAttribute::SdrFillBitmapAttribute(
     116             :             const Bitmap& rBitmap,
     117             :             const basegfx::B2DVector& rSize,
     118             :             const basegfx::B2DVector& rOffset,
     119             :             const basegfx::B2DVector& rOffsetPosition,
     120             :             const basegfx::B2DVector& rRectPoint,
     121             :             bool bTiling,
     122             :             bool bStretch,
     123             :             bool bLogSize)
     124             :         :   mpSdrFillBitmapAttribute(new ImpSdrFillBitmapAttribute(
     125           0 :                 rBitmap, rSize, rOffset, rOffsetPosition, rRectPoint, bTiling,  bStretch, bLogSize))
     126             :         {
     127           0 :         }
     128             : 
     129          88 :         SdrFillBitmapAttribute::SdrFillBitmapAttribute()
     130          88 :         :   mpSdrFillBitmapAttribute(ImpSdrFillBitmapAttribute::get_global_default())
     131             :         {
     132          88 :             mpSdrFillBitmapAttribute->mnRefCount++;
     133          88 :         }
     134             : 
     135          88 :         SdrFillBitmapAttribute::SdrFillBitmapAttribute(const SdrFillBitmapAttribute& rCandidate)
     136          88 :         :   mpSdrFillBitmapAttribute(rCandidate.mpSdrFillBitmapAttribute)
     137             :         {
     138          88 :             mpSdrFillBitmapAttribute->mnRefCount++;
     139          88 :         }
     140             : 
     141         144 :         SdrFillBitmapAttribute::~SdrFillBitmapAttribute()
     142             :         {
     143         144 :             if(mpSdrFillBitmapAttribute->mnRefCount)
     144             :             {
     145         144 :                 mpSdrFillBitmapAttribute->mnRefCount--;
     146             :             }
     147             :             else
     148             :             {
     149           0 :                 delete mpSdrFillBitmapAttribute;
     150             :             }
     151         144 :         }
     152             : 
     153          38 :         bool SdrFillBitmapAttribute::isDefault() const
     154             :         {
     155          38 :             return mpSdrFillBitmapAttribute == ImpSdrFillBitmapAttribute::get_global_default();
     156             :         }
     157             : 
     158           0 :         SdrFillBitmapAttribute& SdrFillBitmapAttribute::operator=(const SdrFillBitmapAttribute& rCandidate)
     159             :         {
     160           0 :             if(rCandidate.mpSdrFillBitmapAttribute != mpSdrFillBitmapAttribute)
     161             :             {
     162           0 :                 if(mpSdrFillBitmapAttribute->mnRefCount)
     163             :                 {
     164           0 :                     mpSdrFillBitmapAttribute->mnRefCount--;
     165             :                 }
     166             :                 else
     167             :                 {
     168           0 :                     delete mpSdrFillBitmapAttribute;
     169             :                 }
     170             : 
     171           0 :                 mpSdrFillBitmapAttribute = rCandidate.mpSdrFillBitmapAttribute;
     172           0 :                 mpSdrFillBitmapAttribute->mnRefCount++;
     173             :             }
     174             : 
     175           0 :             return *this;
     176             :         }
     177             : 
     178          18 :         bool SdrFillBitmapAttribute::operator==(const SdrFillBitmapAttribute& rCandidate) const
     179             :         {
     180          18 :             if(rCandidate.mpSdrFillBitmapAttribute == mpSdrFillBitmapAttribute)
     181             :             {
     182          18 :                 return true;
     183             :             }
     184             : 
     185           0 :             if(rCandidate.isDefault() != isDefault())
     186             :             {
     187           0 :                 return false;
     188             :             }
     189             : 
     190           0 :             return (*rCandidate.mpSdrFillBitmapAttribute == *mpSdrFillBitmapAttribute);
     191             :         }
     192             : 
     193           0 :         const Bitmap& SdrFillBitmapAttribute::getBitmap() const
     194             :         {
     195           0 :             return mpSdrFillBitmapAttribute->getBitmap();
     196             :         }
     197             : 
     198           0 :         const basegfx::B2DVector& SdrFillBitmapAttribute::getSize() const
     199             :         {
     200           0 :             return mpSdrFillBitmapAttribute->getSize();
     201             :         }
     202             : 
     203           0 :         const basegfx::B2DVector& SdrFillBitmapAttribute::getOffset() const
     204             :         {
     205           0 :             return mpSdrFillBitmapAttribute->getOffset();
     206             :         }
     207             : 
     208           0 :         const basegfx::B2DVector& SdrFillBitmapAttribute::getOffsetPosition() const
     209             :         {
     210           0 :             return mpSdrFillBitmapAttribute->getOffsetPosition();
     211             :         }
     212             : 
     213           0 :         const basegfx::B2DVector& SdrFillBitmapAttribute::getRectPoint() const
     214             :         {
     215           0 :             return mpSdrFillBitmapAttribute->getRectPoint();
     216             :         }
     217             : 
     218           0 :         bool SdrFillBitmapAttribute::getTiling() const
     219             :         {
     220           0 :             return mpSdrFillBitmapAttribute->getTiling();
     221             :         }
     222             : 
     223           0 :         bool SdrFillBitmapAttribute::getStretch() const
     224             :         {
     225           0 :             return mpSdrFillBitmapAttribute->getStretch();
     226             :         }
     227             : 
     228           0 :         FillBitmapAttribute SdrFillBitmapAttribute::getFillBitmapAttribute(const basegfx::B2DRange& rRange) const
     229             :         {
     230             :             // get logical size of bitmap (before expanding eventually)
     231           0 :             Bitmap aBitmap(getBitmap());
     232           0 :             const basegfx::B2DVector aLogicalSize(aBitmap.GetPrefSize().getWidth(), aBitmap.GetPrefSize().getHeight());
     233             : 
     234             :             // get hor/ver shiftings and apply them eventually to the bitmap, but only
     235             :             // when tiling is on
     236           0 :             bool bExpandWidth(false);
     237           0 :             bool bExpandHeight(false);
     238             : 
     239           0 :             if(getTiling())
     240             :             {
     241           0 :                 if(0.0 != getOffset().getX() || 0.0 != getOffset().getY())
     242             :                 {
     243           0 :                     const sal_uInt32 nWidth(aBitmap.GetSizePixel().getWidth());
     244           0 :                     const sal_uInt32 nHeight(aBitmap.GetSizePixel().getHeight());
     245             : 
     246           0 :                     if(0.0 != getOffset().getX())
     247             :                     {
     248           0 :                         bExpandHeight = true;
     249           0 :                         const sal_uInt32 nOffset(basegfx::fround(((double)nWidth * getOffset().getX()) / 100.0));
     250           0 :                         aBitmap.Expand(0L, nHeight);
     251             : 
     252           0 :                         const Size aSizeA(nOffset, nHeight);
     253           0 :                         const Rectangle aDstA(Point(0L, nHeight), aSizeA);
     254           0 :                         const Rectangle aSrcA(Point(nWidth - nOffset, 0L), aSizeA);
     255           0 :                         aBitmap.CopyPixel(aDstA, aSrcA);
     256             : 
     257           0 :                         const Size aSizeB(nWidth - nOffset, nHeight);
     258           0 :                         const Rectangle aDstB(Point(nOffset, nHeight), aSizeB);
     259           0 :                         const Rectangle aSrcB(Point(0L, 0L), aSizeB);
     260           0 :                         aBitmap.CopyPixel(aDstB, aSrcB);
     261             :                     }
     262             :                     else
     263             :                     {
     264           0 :                         bExpandWidth = true;
     265           0 :                         const sal_uInt32 nOffset(basegfx::fround(((double)nHeight * getOffset().getY()) / 100.0));
     266           0 :                         aBitmap.Expand(nWidth, 0L);
     267             : 
     268           0 :                         const Size aSize(nWidth, nHeight);
     269           0 :                         const Rectangle aDst(Point(nWidth, 0L), aSize);
     270           0 :                         const Rectangle aSrc(Point(0L, 0L), aSize);
     271           0 :                         aBitmap.CopyPixel(aDst, aSrc);
     272             : 
     273           0 :                         const Size aSizeA(nWidth, nOffset);
     274           0 :                         const Rectangle aDstA(Point(0L, 0L), aSizeA);
     275           0 :                         const Rectangle aSrcA(Point(nWidth, nHeight - nOffset), aSizeA);
     276           0 :                         aBitmap.CopyPixel(aDstA, aSrcA);
     277             : 
     278           0 :                         const Size aSizeB(nWidth, nHeight - nOffset);
     279           0 :                         const Rectangle aDstB(Point(0L, nOffset), aSizeB);
     280           0 :                         const Rectangle aSrcB(Point(nWidth, 0L), aSizeB);
     281           0 :                         aBitmap.CopyPixel(aDstB, aSrcB);
     282             :                     }
     283             :                 }
     284             :             }
     285             : 
     286             :             // init values with defaults
     287           0 :             basegfx::B2DPoint aBitmapSize(1.0, 1.0);
     288           0 :             basegfx::B2DVector aBitmapTopLeft(0.0, 0.0);
     289             : 
     290             :             // are canges needed?
     291           0 :             if(getTiling() || !getStretch())
     292             :             {
     293             :                 // init values with range sizes
     294           0 :                 const double fRangeWidth(0.0 != rRange.getWidth() ? rRange.getWidth() : 1.0);
     295           0 :                 const double fRangeHeight(0.0 != rRange.getHeight() ? rRange.getHeight() : 1.0);
     296           0 :                 aBitmapSize = basegfx::B2DPoint(fRangeWidth, fRangeHeight);
     297             : 
     298             :                 // size changes
     299           0 :                 if(0.0 != getSize().getX())
     300             :                 {
     301           0 :                     if(getSize().getX() < 0.0)
     302             :                     {
     303           0 :                         aBitmapSize.setX(aBitmapSize.getX() * (getSize().getX() * -0.01));
     304             :                     }
     305             :                     else
     306             :                     {
     307           0 :                         aBitmapSize.setX(getSize().getX());
     308             :                     }
     309             :                 }
     310             :                 else
     311             :                 {
     312           0 :                     aBitmapSize.setX(aLogicalSize.getX());
     313             :                 }
     314             : 
     315           0 :                 if(0.0 != getSize().getY())
     316             :                 {
     317           0 :                     if(getSize().getY() < 0.0)
     318             :                     {
     319           0 :                         aBitmapSize.setY(aBitmapSize.getY() * (getSize().getY() * -0.01));
     320             :                     }
     321             :                     else
     322             :                     {
     323           0 :                         aBitmapSize.setY(getSize().getY());
     324             :                     }
     325             :                 }
     326             :                 else
     327             :                 {
     328           0 :                     aBitmapSize.setY(aLogicalSize.getY());
     329             :                 }
     330             : 
     331             :                 // get values, force to centered if necessary
     332           0 :                 const basegfx::B2DVector aRectPoint(getTiling() ? getRectPoint() : basegfx::B2DVector(0.0, 0.0));
     333             : 
     334             :                 // position changes X
     335           0 :                 if(0.0 == aRectPoint.getX())
     336             :                 {
     337           0 :                     aBitmapTopLeft.setX((fRangeWidth - aBitmapSize.getX()) * 0.5);
     338             :                 }
     339           0 :                 else if(1.0 == aRectPoint.getX())
     340             :                 {
     341           0 :                     aBitmapTopLeft.setX(fRangeWidth - aBitmapSize.getX());
     342             :                 }
     343             : 
     344           0 :                 if(getTiling() && 0.0 != getOffsetPosition().getX())
     345             :                 {
     346           0 :                     aBitmapTopLeft.setX(aBitmapTopLeft.getX() + (aBitmapSize.getX() * (getOffsetPosition().getX() * 0.01)));
     347             :                 }
     348             : 
     349             :                 // position changes Y
     350           0 :                 if(0.0 == aRectPoint.getY())
     351             :                 {
     352           0 :                     aBitmapTopLeft.setY((fRangeHeight - aBitmapSize.getY()) * 0.5);
     353             :                 }
     354           0 :                 else if(1.0 == aRectPoint.getY())
     355             :                 {
     356           0 :                     aBitmapTopLeft.setY(fRangeHeight - aBitmapSize.getY());
     357             :                 }
     358             : 
     359           0 :                 if(getTiling() && 0.0 != getOffsetPosition().getY())
     360             :                 {
     361           0 :                     aBitmapTopLeft.setY(aBitmapTopLeft.getY() + (aBitmapSize.getY() * (getOffsetPosition().getY() * 0.01)));
     362             :                 }
     363             : 
     364             :                 // apply expand
     365           0 :                 if(bExpandWidth)
     366             :                 {
     367           0 :                     aBitmapSize.setX(aBitmapSize.getX() * 2.0);
     368             :                 }
     369             : 
     370           0 :                 if(bExpandHeight)
     371             :                 {
     372           0 :                     aBitmapSize.setY(aBitmapSize.getY() * 2.0);
     373             :                 }
     374             : 
     375             :                 // apply bitmap size scaling to unit rectangle
     376           0 :                 aBitmapTopLeft.setX(aBitmapTopLeft.getX() / fRangeWidth);
     377           0 :                 aBitmapTopLeft.setY(aBitmapTopLeft.getY() / fRangeHeight);
     378           0 :                 aBitmapSize.setX(aBitmapSize.getX() / fRangeWidth);
     379           0 :                 aBitmapSize.setY(aBitmapSize.getY() / fRangeHeight);
     380             :             }
     381             : 
     382           0 :             return FillBitmapAttribute(BitmapEx(aBitmap), aBitmapTopLeft, aBitmapSize, getTiling());
     383             :         }
     384             :     } // end of namespace attribute
     385             : } // end of namespace drawinglayer
     386             : 
     387             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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