LCOV - code coverage report
Current view: top level - solver/unxlngi6.pro/inc/vcl - regband.hxx (source / functions) Hit Total Coverage
Test: libreoffice_filtered.info Lines: 1 1 100.0 %
Date: 2012-08-25 Functions: 1 1 100.0 %
Legend: Lines: hit not hit | Branches: + taken - not taken # not executed Branches: 3 4 75.0 %

           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 2000, 2010 Oracle and/or its affiliates.
       7                 :            :  *
       8                 :            :  * OpenOffice.org - a multi-platform office productivity suite
       9                 :            :  *
      10                 :            :  * This file is part of OpenOffice.org.
      11                 :            :  *
      12                 :            :  * OpenOffice.org is free software: you can redistribute it and/or modify
      13                 :            :  * it under the terms of the GNU Lesser General Public License version 3
      14                 :            :  * only, as published by the Free Software Foundation.
      15                 :            :  *
      16                 :            :  * OpenOffice.org is distributed in the hope that it will be useful,
      17                 :            :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      18                 :            :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      19                 :            :  * GNU Lesser General Public License version 3 for more details
      20                 :            :  * (a copy is included in the LICENSE file that accompanied this code).
      21                 :            :  *
      22                 :            :  * You should have received a copy of the GNU Lesser General Public License
      23                 :            :  * version 3 along with OpenOffice.org.  If not, see
      24                 :            :  * <http://www.openoffice.org/license.html>
      25                 :            :  * for a copy of the LGPLv3 License.
      26                 :            :  *
      27                 :            :  ************************************************************************/
      28                 :            : 
      29                 :            : #ifndef _SV_REGBAND_HXX
      30                 :            : #define _SV_REGBAND_HXX
      31                 :            : 
      32                 :            : #include <tools/solar.h>
      33                 :            : #include <tools/poly.hxx>
      34                 :            : 
      35                 :            : /* =======================================================================
      36                 :            : 
      37                 :            : class ImplRegionBand
      38                 :            : 
      39                 :            : This class handles one y-band of the region. In this band may contain one
      40                 :            : or more seprarations in x-direction. The y-Band do not contain any
      41                 :            : separation after creation.
      42                 :            : 
      43                 :            : The separations are modified with basic clipping functions like Union and
      44                 :            : Intersection - the Class will process the clipping for the actual band.
      45                 :            : 
      46                 :            : The actual separations may be checked by functions like IsInside or
      47                 :            : IsOver.
      48                 :            : 
      49                 :            : ======================================================================= */
      50                 :            : 
      51                 :            : // ------------------------
      52                 :            : // - ImplRegionBand-Types -
      53                 :            : // ------------------------
      54                 :            : 
      55                 :            : // element for the list with x-separations
      56                 :            : struct ImplRegionBandSep
      57                 :            : {
      58                 :            :     ImplRegionBandSep*          mpNextSep;
      59                 :            :     long                        mnXLeft;
      60                 :            :     long                        mnXRight;
      61                 :            :     sal_Bool                        mbRemoved;
      62                 :            : };
      63                 :            : 
      64                 :            : enum LineType { LINE_ASCENDING, LINE_DESCENDING, LINE_HORIZONTAL };
      65                 :            : 
      66                 :            : // element for the list with x-separations
      67                 :            : struct ImplRegionBandPoint
      68                 :            : {
      69                 :            :     ImplRegionBandPoint*        mpNextBandPoint;
      70                 :            :     long                        mnX;
      71                 :            :     long                        mnLineId;
      72                 :            :     sal_Bool                        mbEndPoint;
      73                 :            :     LineType                    meLineType;
      74                 :            : };
      75                 :            : 
      76                 :            : // ------------------
      77                 :            : // - ImplRegionBand -
      78                 :            : // ------------------
      79                 :            : 
      80                 :            : class ImplRegionBand
      81                 :            : {
      82                 :            : public:
      83                 :            :     ImplRegionBand*             mpNextBand;         // pointer to the next element of the list
      84                 :            :     ImplRegionBand*             mpPrevBand;         // pointer to the previous element of the list (only used temporaery)
      85                 :            :     ImplRegionBandSep*          mpFirstSep;         // root of the list with x-separations
      86                 :            :     ImplRegionBandPoint*        mpFirstBandPoint;   // root of the list with lines
      87                 :            :     long                        mnYTop;             // actual boundary of the band
      88                 :            :     long                        mnYBottom;
      89                 :            :     sal_Bool                        mbTouched;
      90                 :            : 
      91                 :            :                                 // create y-band with boundaries
      92                 :            :                                 ImplRegionBand( long nYTop, long nYBottom );
      93                 :            :                                 /** copy y-band with with all data
      94                 :            :                                     @param theSourceBand
      95                 :            :                                         The new ImplRegionBand object will
      96                 :            :                                         be a copy of this band.
      97                 :            :                                     @param bIgnorePoints
      98                 :            :                                         When <TRUE/> (the default) the
      99                 :            :                                         band points pointed to by
     100                 :            :                                         mpFirstBandPoint are not copied.
     101                 :            :                                         When <FALSE/> they are copied.
     102                 :            :                                         You need the points when you are
     103                 :            :                                         planning to call ProcessPoints()
     104                 :            :                                         later on.
     105                 :            :                                 */
     106                 :            :                                 ImplRegionBand( const ImplRegionBand & theSourceBand,
     107                 :            :                                                 const bool bIgnorePoints = true);
     108                 :            :                                 ~ImplRegionBand();
     109                 :            : 
     110                 :            :     long                        GetXLeftBoundary() const;
     111                 :            :     long                        GetXRightBoundary() const;
     112                 :            : 
     113                 :            :                                 // combine overlapping bands
     114                 :            :     sal_Bool                        OptimizeBand();
     115                 :            : 
     116                 :            :                                 // generate separations from lines and process
     117                 :            :                                 // union with existing separations
     118                 :            :     void                        ProcessPoints();
     119                 :            :                                 // insert point in the list for later processing
     120                 :            :     sal_Bool                        InsertPoint( long nX, long nLineID,
     121                 :            :                                              sal_Bool bEndPoint, LineType eLineType );
     122                 :            : 
     123                 :            :     void                        Union( long nXLeft, long nXRight );
     124                 :            :     void                        Intersect( long nXLeft, long nXRight );
     125                 :            :     void                        Exclude( long nXLeft, long nXRight );
     126                 :            :     void                        XOr( long nXLeft, long nXRight );
     127                 :            : 
     128                 :            :     void                        MoveX( long nHorzMove );
     129                 :            :     void                        ScaleX( double fHorzScale );
     130                 :            : 
     131                 :            :     sal_Bool                        IsInside( long nX );
     132                 :            : 
     133 [ +  + ][ +  - ]:    3636876 :     sal_Bool                        IsEmpty() const { return ((!mpFirstSep) && (!mpFirstBandPoint)); }
     134                 :            : 
     135                 :            :     sal_Bool                        operator==( const ImplRegionBand& rRegionBand ) const;
     136                 :            : 
     137                 :            :     /** Split the called band at the given vertical coordinate.  After the
     138                 :            :         split the called band will cover the upper part not including nY.
     139                 :            :         The new band will cover the lower part including nY.
     140                 :            :         @param nY
     141                 :            :             The band is split at this y coordinate.  The new, lower band
     142                 :            :             will include this very value.
     143                 :            :         @return
     144                 :            :             Returns the new, lower band.
     145                 :            :     */
     146                 :            :     ImplRegionBand*             SplitBand (const sal_Int32 nY);
     147                 :            : };
     148                 :            : 
     149                 :            : #endif  // _SV_REGBAND_HXX
     150                 :            : 
     151                 :            : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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