LCOV - code coverage report
Current view: top level - libreoffice/filter/source/graphicfilter/epbm - epbm.cxx (source / functions) Hit Total Coverage
Test: libreoffice_filtered.info Lines: 0 68 0.0 %
Date: 2012-12-27 Functions: 0 7 0.0 %
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             : 
      21             : #include <vcl/svapp.hxx>
      22             : #include <vcl/graph.hxx>
      23             : #include <vcl/bmpacc.hxx>
      24             : #include <vcl/msgbox.hxx>
      25             : #include <svl/solar.hrc>
      26             : #include <svtools/fltcall.hxx>
      27             : #include <svtools/FilterConfigItem.hxx>
      28             : 
      29             : //============================ PBMWriter ==================================
      30             : 
      31             : class PBMWriter {
      32             : 
      33             : private:
      34             : 
      35             :     SvStream& m_rOStm;          // Die auszugebende PBM-Datei
      36             :     sal_uInt16              mpOStmOldModus;
      37             : 
      38             :     sal_Bool                mbStatus;
      39             :     sal_Int32           mnMode;             // 0 -> raw, 1-> ascii
      40             :     BitmapReadAccess*   mpAcc;
      41             :     sal_uLong               mnWidth, mnHeight;  // Bildausmass in Pixeln
      42             : 
      43             :     sal_Bool                ImplWriteHeader();
      44             :     void                ImplWriteBody();
      45             :     void                ImplWriteNumber( sal_Int32 );
      46             : 
      47             :     com::sun::star::uno::Reference< com::sun::star::task::XStatusIndicator > xStatusIndicator;
      48             : 
      49             : public:
      50             :     PBMWriter(SvStream &rPBM);
      51             :     ~PBMWriter();
      52             : 
      53             :     sal_Bool WritePBM( const Graphic& rGraphic, FilterConfigItem* pFilterConfigItem );
      54             : };
      55             : 
      56             : //=================== Methoden von PBMWriter ==============================
      57             : 
      58           0 : PBMWriter::PBMWriter(SvStream &rPBM)
      59             :     : m_rOStm(rPBM)
      60             :     , mbStatus(sal_True)
      61           0 :     , mpAcc(NULL)
      62             : {
      63           0 : }
      64             : 
      65             : // ------------------------------------------------------------------------
      66             : 
      67           0 : PBMWriter::~PBMWriter()
      68             : {
      69           0 : }
      70             : 
      71             : // ------------------------------------------------------------------------
      72             : 
      73           0 : sal_Bool PBMWriter::WritePBM( const Graphic& rGraphic, FilterConfigItem* pFilterConfigItem )
      74             : {
      75           0 :     if ( pFilterConfigItem )
      76             :     {
      77           0 :         mnMode = pFilterConfigItem->ReadInt32( String( RTL_CONSTASCII_USTRINGPARAM( "FileFormat" ) ), 0 );
      78             : 
      79           0 :         xStatusIndicator = pFilterConfigItem->GetStatusIndicator();
      80           0 :         if ( xStatusIndicator.is() )
      81             :         {
      82           0 :             rtl::OUString aMsg;
      83           0 :             xStatusIndicator->start( aMsg, 100 );
      84             :         }
      85             :     }
      86             : 
      87           0 :     BitmapEx    aBmpEx( rGraphic.GetBitmapEx() );
      88           0 :     Bitmap      aBmp = aBmpEx.GetBitmap();
      89           0 :     aBmp.Convert( BMP_CONVERSION_1BIT_THRESHOLD );
      90             : 
      91           0 :     mpOStmOldModus = m_rOStm.GetNumberFormatInt();
      92           0 :     m_rOStm.SetNumberFormatInt( NUMBERFORMAT_INT_BIGENDIAN );
      93             : 
      94           0 :     mpAcc = aBmp.AcquireReadAccess();
      95           0 :     if( mpAcc )
      96             :     {
      97           0 :         if ( ImplWriteHeader() )
      98           0 :             ImplWriteBody();
      99             : 
     100           0 :         aBmp.ReleaseAccess( mpAcc );
     101             :     }
     102             :     else
     103           0 :         mbStatus = sal_False;
     104             : 
     105           0 :     m_rOStm.SetNumberFormatInt( mpOStmOldModus );
     106             : 
     107           0 :     if ( xStatusIndicator.is() )
     108           0 :         xStatusIndicator->end();
     109             : 
     110           0 :     return mbStatus;
     111             : }
     112             : 
     113             : // ------------------------------------------------------------------------
     114             : 
     115           0 : sal_Bool PBMWriter::ImplWriteHeader()
     116             : {
     117           0 :     mnWidth = mpAcc->Width();
     118           0 :     mnHeight = mpAcc->Height();
     119           0 :     if ( mnWidth && mnHeight )
     120             :     {
     121           0 :         if ( mnMode == 0 )
     122           0 :             m_rOStm << "P4\x0a";
     123             :         else
     124           0 :             m_rOStm << "P1\x0a";
     125             : 
     126           0 :         ImplWriteNumber( mnWidth );
     127           0 :         m_rOStm << (sal_uInt8)32;
     128           0 :         ImplWriteNumber( mnHeight );
     129           0 :         m_rOStm << (sal_uInt8)10;
     130             :     }
     131           0 :     else mbStatus = sal_False;
     132           0 :     return mbStatus;
     133             : }
     134             : 
     135             : // ------------------------------------------------------------------------
     136             : 
     137           0 : void PBMWriter::ImplWriteBody()
     138             : {
     139           0 :     if ( mnMode == 0 )
     140             :     {
     141           0 :         sal_uInt8   nBYTE = 0;
     142           0 :         for ( sal_uLong y = 0; y < mnHeight; y++ )
     143             :         {
     144             :             sal_uLong x;
     145           0 :             for ( x = 0; x < mnWidth; x++ )
     146             :             {
     147           0 :                 nBYTE <<= 1;
     148           0 :                 if (!(mpAcc->GetPixel( y, x ) & 1 ) )
     149           0 :                     nBYTE++;
     150           0 :                 if ( ( x & 7 ) == 7 )
     151           0 :                     m_rOStm << nBYTE;
     152             :             }
     153           0 :             if ( ( x & 7 ) != 0 )
     154           0 :                 m_rOStm << (sal_uInt8)( nBYTE << ( ( x ^ 7 ) + 1 ) );
     155             :         }
     156             :     }
     157             :     else
     158             :     {
     159             :         int nxCount;
     160           0 :         for ( sal_uLong y = 0; y < mnHeight; y++ )
     161             :         {
     162           0 :             nxCount = 70;
     163           0 :             for ( sal_uLong x = 0; x < mnWidth; x++ )
     164             :             {
     165           0 :                 if (!( --nxCount ) )
     166             :                 {
     167           0 :                     nxCount = 69;
     168           0 :                     m_rOStm << (sal_uInt8)10;
     169             :                 }
     170           0 :                 m_rOStm << (sal_uInt8)( ( mpAcc->GetPixel( y, x ) ^ 1 ) + '0' ) ;
     171             :             }
     172           0 :             m_rOStm << (sal_uInt8)10;
     173             :         }
     174             :     }
     175           0 : }
     176             : 
     177             : // ------------------------------------------------------------------------
     178             : // eine Dezimalzahl im ASCII format wird in den Stream geschrieben
     179             : 
     180           0 : void PBMWriter::ImplWriteNumber(sal_Int32 nNumber)
     181             : {
     182           0 :     const rtl::OString aNum(rtl::OString::valueOf(nNumber));
     183           0 :     m_rOStm << aNum.getStr();
     184           0 : }
     185             : 
     186             : // ------------------------------------------------------------------------
     187             : 
     188             : // ---------------------
     189             : // - exported function -
     190             : // ---------------------
     191             : 
     192             : #ifdef DISABLE_DYNLOADING
     193             : #define GraphicExport epbGraphicExport
     194             : #endif
     195             : 
     196             : extern "C" SAL_DLLPUBLIC_EXPORT sal_Bool SAL_CALL
     197           0 : GraphicExport(SvStream& rStream, Graphic& rGraphic, FilterConfigItem* pFilterConfigItem, sal_Bool)
     198             : {
     199           0 :     PBMWriter aPBMWriter(rStream);
     200             : 
     201           0 :     return aPBMWriter.WritePBM( rGraphic, pFilterConfigItem );
     202             : }
     203             : 
     204             : // ------------------------------------------------------------------------
     205             : 
     206             : 
     207             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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