LCOV - code coverage report
Current view: top level - basegfx/source/tools - unotools.cxx (source / functions) Hit Total Coverage
Test: libreoffice_filtered.info Lines: 102 106 96.2 %
Date: 2012-08-25 Functions: 2 2 100.0 %
Legend: Lines: hit not hit | Branches: + taken - not taken # not executed Branches: 98 162 60.5 %

           Branch data     Line data    Source code
       1                 :            : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2                 :            : /*************************************************************************
       3                 :            :  *
       4                 :            :  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
       5                 :            :  *
       6                 :            :  * Copyright 2008 by Sun Microsystems, Inc.
       7                 :            :  *
       8                 :            :  * Portions Copright 2011 Thorsten Behrens <tbehrens@novell.com>
       9                 :            :  *
      10                 :            :  * OpenOffice.org - a multi-platform office productivity suite
      11                 :            :  *
      12                 :            :  * This file is part of OpenOffice.org.
      13                 :            :  *
      14                 :            :  * OpenOffice.org is free software: you can redistribute it and/or modify
      15                 :            :  * it under the terms of the GNU Lesser General Public License version 3
      16                 :            :  * only, as published by the Free Software Foundation.
      17                 :            :  *
      18                 :            :  * OpenOffice.org is distributed in the hope that it will be useful,
      19                 :            :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      20                 :            :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      21                 :            :  * GNU Lesser General Public License version 3 for more details
      22                 :            :  * (a copy is included in the LICENSE file that accompanied this code).
      23                 :            :  *
      24                 :            :  * You should have received a copy of the GNU Lesser General Public License
      25                 :            :  * version 3 along with OpenOffice.org.  If not, see
      26                 :            :  * <http://www.openoffice.org/license.html>
      27                 :            :  * for a copy of the LGPLv3 License.
      28                 :            :  *
      29                 :            :  ************************************************************************/
      30                 :            : 
      31                 :            : #include <com/sun/star/drawing/PolyPolygonBezierCoords.hpp>
      32                 :            : #include <com/sun/star/drawing/PointSequence.hpp>
      33                 :            : #include <com/sun/star/drawing/FlagSequence.hpp>
      34                 :            : #include <basegfx/polygon/b2dpolypolygontools.hxx>
      35                 :            : #include <basegfx/polygon/b2dpolygontools.hxx>
      36                 :            : #include <basegfx/polygon/b2dpolygon.hxx>
      37                 :            : #include <basegfx/curve/b2dcubicbezier.hxx>
      38                 :            : 
      39                 :            : #include <basegfx/tools/unotools.hxx>
      40                 :            : #include <comphelper/sequence.hxx>
      41                 :            : 
      42                 :            : 
      43                 :            : using namespace ::com::sun::star;
      44                 :            : 
      45                 :            : namespace basegfx
      46                 :            : {
      47                 :            : namespace unotools
      48                 :            : {
      49                 :            : 
      50                 :        408 :     B2DPolyPolygon polyPolygonBezierToB2DPolyPolygon(const drawing::PolyPolygonBezierCoords& rSourcePolyPolygon)
      51                 :            :         throw( lang::IllegalArgumentException )
      52                 :            :     {
      53                 :        408 :         const sal_Int32 nOuterSequenceCount(rSourcePolyPolygon.Coordinates.getLength());
      54                 :        408 :         B2DPolyPolygon aNewPolyPolygon;
      55                 :            : 
      56         [ -  + ]:        408 :         if(rSourcePolyPolygon.Flags.getLength() != nOuterSequenceCount)
      57         [ #  # ]:          0 :             throw lang::IllegalArgumentException();
      58                 :            : 
      59                 :            :         // get pointers to inner sequence
      60                 :        408 :         const drawing::PointSequence* pInnerSequence = rSourcePolyPolygon.Coordinates.getConstArray();
      61                 :        408 :         const drawing::FlagSequence* pInnerSequenceFlags = rSourcePolyPolygon.Flags.getConstArray();
      62                 :            : 
      63         [ +  + ]:        856 :         for(sal_Int32 a(0); a < nOuterSequenceCount; a++)
      64                 :            :         {
      65                 :        448 :             const sal_Int32 nInnerSequenceCount(pInnerSequence->getLength());
      66                 :            : 
      67         [ -  + ]:        448 :             if(pInnerSequenceFlags->getLength() != nInnerSequenceCount)
      68         [ #  # ]:          0 :                 throw lang::IllegalArgumentException();
      69                 :            : 
      70                 :            :             // prepare new polygon
      71         [ +  - ]:        448 :             basegfx::B2DPolygon aNewPolygon;
      72                 :        448 :             const awt::Point* pArray = pInnerSequence->getConstArray();
      73                 :        448 :             const drawing::PolygonFlags* pArrayFlags = pInnerSequenceFlags->getConstArray();
      74                 :            : 
      75                 :            :             // get first point and flag
      76                 :        448 :             basegfx::B2DPoint aNewCoordinatePair(pArray->X, pArray->Y); pArray++;
      77                 :        448 :             drawing::PolygonFlags ePolyFlag(*pArrayFlags); pArrayFlags++;
      78                 :        448 :             basegfx::B2DPoint aControlA;
      79                 :        448 :             basegfx::B2DPoint aControlB;
      80                 :            : 
      81                 :            :             // first point is not allowed to be a control point
      82         [ -  + ]:        448 :             if(drawing::PolygonFlags_CONTROL == ePolyFlag)
      83         [ #  # ]:          0 :                 throw lang::IllegalArgumentException();
      84                 :            : 
      85                 :            :             // add first point as start point
      86         [ +  - ]:        448 :             aNewPolygon.append(aNewCoordinatePair);
      87         [ +  + ]:       5124 :             for(sal_Int32 b(1); b < nInnerSequenceCount;)
      88                 :            :             {
      89                 :            :                 // prepare loop
      90                 :       4676 :                 bool bControlA(false);
      91                 :       4676 :                 bool bControlB(false);
      92                 :            : 
      93                 :            :                 // get next point and flag
      94                 :       4676 :                 aNewCoordinatePair = basegfx::B2DPoint(pArray->X, pArray->Y);
      95                 :       4676 :                 ePolyFlag = *pArrayFlags;
      96                 :       4676 :                 pArray++; pArrayFlags++; b++;
      97                 :            : 
      98 [ +  + ][ +  + ]:       4676 :                 if(b < nInnerSequenceCount && drawing::PolygonFlags_CONTROL == ePolyFlag)
      99                 :            :                 {
     100                 :       2429 :                     aControlA = aNewCoordinatePair;
     101                 :       2429 :                     bControlA = true;
     102                 :            : 
     103                 :            :                     // get next point and flag
     104                 :       2429 :                     aNewCoordinatePair = basegfx::B2DPoint(pArray->X, pArray->Y);
     105                 :       2429 :                     ePolyFlag = *pArrayFlags;
     106                 :       2429 :                     pArray++; pArrayFlags++; b++;
     107                 :            :                 }
     108                 :            : 
     109 [ +  + ][ +  + ]:       4676 :                 if(b < nInnerSequenceCount && drawing::PolygonFlags_CONTROL == ePolyFlag)
     110                 :            :                 {
     111                 :       2429 :                     aControlB = aNewCoordinatePair;
     112                 :       2429 :                     bControlB = true;
     113                 :            : 
     114                 :            :                     // get next point and flag
     115                 :       2429 :                     aNewCoordinatePair = basegfx::B2DPoint(pArray->X, pArray->Y);
     116                 :       2429 :                     ePolyFlag = *pArrayFlags;
     117                 :       2429 :                     pArray++; pArrayFlags++; b++;
     118                 :            :                 }
     119                 :            : 
     120                 :            :                 // two or no control points are consumed, another one would be an error.
     121                 :            :                 // It's also an error if only one control point was read
     122 [ +  - ][ -  + ]:       4676 :                 if(drawing::PolygonFlags_CONTROL == ePolyFlag || bControlA != bControlB)
     123         [ #  # ]:          0 :                     throw lang::IllegalArgumentException();
     124                 :            : 
     125                 :            :                 // the previous writes used the B2DPolyPoygon -> PolyPolygon converter
     126                 :            :                 // which did not create minimal PolyPolygons, but created all control points
     127                 :            :                 // as null vectors (identical points). Because of the former P(CA)(CB)-norm of
     128                 :            :                 // B2DPolygon and it's unused sign of being the zero-vector and CA and CB being
     129                 :            :                 // relative to P, an empty edge was exported as P == CA == CB. Luckily, the new
     130                 :            :                 // export format can be read without errors by the old OOo-versions, so we need only
     131                 :            :                 // to correct here at read and do not need to export a wrong but compatible version
     132                 :            :                 // for the future.
     133   [ +  +  +  +  :      12731 :                 if(bControlA
           +  - ][ +  + ]
     134                 :       2429 :                    && aControlA.equal(aControlB)
     135 [ +  - ][ +  - ]:       5626 :                    && aControlA.equal(aNewPolygon.getB2DPoint(aNewPolygon.count() - 1)))
         [ +  + ][ #  # ]
     136                 :            :                 {
     137                 :        950 :                     bControlA = bControlB = false;
     138                 :            :                 }
     139                 :            : 
     140         [ +  + ]:       4676 :                 if(bControlA)
     141                 :            :                 {
     142                 :            :                     // add bezier edge
     143         [ +  - ]:       1479 :                     aNewPolygon.appendBezierSegment(aControlA, aControlB, aNewCoordinatePair);
     144                 :            :                 }
     145                 :            :                 else
     146                 :            :                 {
     147                 :            :                     // add edge
     148         [ +  - ]:       3197 :                     aNewPolygon.append(aNewCoordinatePair);
     149                 :            :                 }
     150                 :            :             }
     151                 :            : 
     152                 :            :             // next sequence
     153                 :        448 :             pInnerSequence++;
     154                 :        448 :             pInnerSequenceFlags++;
     155                 :            : 
     156                 :            :             // #i72807# API import uses old line start/end-equal definition for closed,
     157                 :            :             // so we need to correct this to closed state here
     158         [ +  - ]:        448 :             basegfx::tools::checkClosed(aNewPolygon);
     159                 :            : 
     160                 :            :             // add new subpolygon
     161         [ +  - ]:        448 :             aNewPolyPolygon.append(aNewPolygon);
     162         [ +  - ]:        448 :         }
     163                 :            : 
     164                 :        408 :         return aNewPolyPolygon;
     165                 :            :     }
     166                 :            : 
     167                 :            :     /////////////////////////////////////////////////////////////////////////////////
     168                 :            : 
     169                 :        692 :     void b2DPolyPolygonToPolyPolygonBezier( const basegfx::B2DPolyPolygon& rPolyPoly,
     170                 :            :                                             drawing::PolyPolygonBezierCoords& rRetval )
     171                 :            :     {
     172                 :        692 :         rRetval.Coordinates.realloc(rPolyPoly.count());
     173                 :        692 :         rRetval.Flags.realloc(rPolyPoly.count());
     174                 :            : 
     175                 :        692 :         drawing::PointSequence* pOuterSequence = rRetval.Coordinates.getArray();
     176                 :        692 :         drawing::FlagSequence*  pOuterFlags = rRetval.Flags.getArray();
     177                 :            : 
     178         [ +  + ]:        977 :         for(sal_uInt32 a=0;a<rPolyPoly.count();a++)
     179                 :            :         {
     180         [ +  - ]:        285 :             const B2DPolygon& rPoly = rPolyPoly.getB2DPolygon(a);
     181         [ +  - ]:        285 :             sal_uInt32 nCount(rPoly.count());
     182         [ +  - ]:        285 :             const bool bClosed(rPoly.isClosed());
     183                 :            : 
     184                 :            :             // calculate input vertex count
     185 [ +  + ][ +  - ]:        285 :             const sal_uInt32 nLoopCount(bClosed ? nCount : (nCount ? nCount - 1L : 0L ));
     186                 :            : 
     187 [ +  - ][ +  - ]:        285 :             std::vector<awt::Point> aPoints; aPoints.reserve(nLoopCount);
     188 [ +  - ][ +  - ]:        285 :             std::vector<drawing::PolygonFlags> aFlags; aFlags.reserve(nLoopCount);
     189                 :            : 
     190         [ +  - ]:        285 :             if( nCount )
     191                 :            :             {
     192                 :            :                 // prepare insert index and current point
     193         [ +  - ]:        285 :                 basegfx::B2DCubicBezier aBezier;
     194         [ +  - ]:        285 :                 aBezier.setStartPoint(rPoly.getB2DPoint(0));
     195                 :            : 
     196         [ +  + ]:       3133 :                 for(sal_uInt32 b(0L); b<nLoopCount; b++)
     197                 :            :                 {
     198                 :            :                     // add current point (always) and remember StartPointIndex for evtl. later corrections
     199                 :       5696 :                     const awt::Point aStartPoint(fround(aBezier.getStartPoint().getX()),
     200                 :       8544 :                                                  fround(aBezier.getStartPoint().getY()));
     201                 :       2848 :                     const sal_uInt32 nStartPointIndex(aPoints.size());
     202         [ +  - ]:       2848 :                     aPoints.push_back(aStartPoint);
     203         [ +  - ]:       2848 :                     aFlags.push_back(drawing::PolygonFlags_NORMAL);
     204                 :            : 
     205                 :            :                     // prepare next segment
     206                 :       2848 :                     const sal_uInt32 nNextIndex((b + 1) % nCount);
     207         [ +  - ]:       2848 :                     aBezier.setEndPoint(rPoly.getB2DPoint(nNextIndex));
     208         [ +  - ]:       2848 :                     aBezier.setControlPointA(rPoly.getNextControlPoint(b));
     209         [ +  - ]:       2848 :                     aBezier.setControlPointB(rPoly.getPrevControlPoint(nNextIndex));
     210                 :            : 
     211 [ +  + ][ +  - ]:       2848 :                     if(aBezier.isBezier())
     212                 :            :                     {
     213                 :            :                         // if one is used, add always two control points due to the old schema
     214                 :       1966 :                         aPoints.push_back( awt::Point(fround(aBezier.getControlPointA().getX()),
     215         [ +  - ]:       2949 :                                                       fround(aBezier.getControlPointA().getY())) );
     216         [ +  - ]:        983 :                         aFlags.push_back(drawing::PolygonFlags_CONTROL);
     217                 :            : 
     218                 :       1966 :                         aPoints.push_back( awt::Point(fround(aBezier.getControlPointB().getX()),
     219         [ +  - ]:       2949 :                                                       fround(aBezier.getControlPointB().getY())) );
     220         [ +  - ]:        983 :                         aFlags.push_back(drawing::PolygonFlags_CONTROL);
     221                 :            :                     }
     222                 :            : 
     223                 :            :                     // test continuity with previous control point to set flag value
     224 [ +  + ][ +  + ]:       2848 :                     if(aBezier.getControlPointA() != aBezier.getStartPoint() && (bClosed || b))
         [ +  + ][ +  - ]
         [ +  - ][ +  + ]
     225                 :            :                     {
     226         [ +  - ]:        947 :                         const basegfx::B2VectorContinuity eCont(rPoly.getContinuityInPoint(b));
     227                 :            : 
     228         [ +  + ]:        947 :                         if(basegfx::CONTINUITY_C1 == eCont)
     229                 :            :                         {
     230         [ +  - ]:         41 :                             aFlags[nStartPointIndex] = drawing::PolygonFlags_SMOOTH;
     231                 :            :                         }
     232         [ +  + ]:        906 :                         else if(basegfx::CONTINUITY_C2 == eCont)
     233                 :            :                         {
     234         [ +  - ]:        264 :                             aFlags[nStartPointIndex] = drawing::PolygonFlags_SYMMETRIC;
     235                 :            :                         }
     236                 :            :                     }
     237                 :            : 
     238                 :            :                     // prepare next polygon step
     239                 :       2848 :                     aBezier.setStartPoint(aBezier.getEndPoint());
     240                 :            :                 }
     241                 :            : 
     242         [ +  + ]:        285 :                 if(bClosed)
     243                 :            :                 {
     244                 :            :                     // add first point again as closing point due to old definition
     245         [ +  - ]:        251 :                     aPoints.push_back( aPoints[0] );
     246         [ +  - ]:        251 :                     aFlags.push_back(drawing::PolygonFlags_NORMAL);
     247                 :            :                 }
     248                 :            :                 else
     249                 :            :                 {
     250                 :            :                     // add last point as closing point
     251         [ +  - ]:         34 :                     const basegfx::B2DPoint aClosingPoint(rPoly.getB2DPoint(nCount - 1L));
     252                 :         34 :                     const awt::Point aEnd(fround(aClosingPoint.getX()),
     253                 :         68 :                                           fround(aClosingPoint.getY()));
     254         [ +  - ]:         34 :                     aPoints.push_back(aEnd);
     255         [ +  - ]:         34 :                     aFlags.push_back(drawing::PolygonFlags_NORMAL);
     256         [ +  - ]:        285 :                 }
     257                 :            :             }
     258                 :            : 
     259 [ +  - ][ +  - ]:        285 :             *pOuterSequence++ = comphelper::containerToSequence(aPoints);
                 [ +  - ]
     260 [ +  - ][ +  - ]:        285 :             *pOuterFlags++ = comphelper::containerToSequence(aFlags);
                 [ +  - ]
     261         [ +  - ]:        285 :         }
     262                 :        692 :     }
     263                 :            : 
     264                 :            : }
     265                 :            : }
     266                 :            : 
     267                 :            : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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