LCOV - code coverage report
Current view: top level - filter/source/graphicfilter/epgm - epgm.cxx (source / functions) Hit Total Coverage
Test: commit c8344322a7af75b84dd3ca8f78b05543a976dfd5 Lines: 0 82 0.0 %
Date: 2015-06-13 12:38:46 Functions: 0 9 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 <vcl/fltcall.hxx>
      27             : #include <vcl/FilterConfigItem.hxx>
      28             : 
      29             : //============================ PGMWriter ==================================
      30             : 
      31             : class PGMWriter {
      32             : 
      33             : private:
      34             : 
      35             :     SvStream&           m_rOStm;            // the output PGM file
      36             : 
      37             :     bool                mbStatus;
      38             :     sal_uInt32          mnMode;
      39             :     BitmapReadAccess*   mpAcc;
      40             :     sal_uLong           mnWidth, mnHeight;  // image size in pixeln
      41             : 
      42             :     bool                ImplWriteHeader();
      43             :     void                ImplWriteBody();
      44             :     void                ImplWriteNumber( sal_Int32 );
      45             : 
      46             :     com::sun::star::uno::Reference< com::sun::star::task::XStatusIndicator > xStatusIndicator;
      47             : 
      48             : public:
      49             :     PGMWriter(SvStream &rStream);
      50             :     ~PGMWriter();
      51             : 
      52             :     bool WritePGM( const Graphic& rGraphic, FilterConfigItem* pFilterConfigItem );
      53             : };
      54             : 
      55             : //=================== Methoden von PGMWriter ==============================
      56           0 : PGMWriter::PGMWriter(SvStream &rStream)
      57             :     : m_rOStm(rStream)
      58             :     , mbStatus(true)
      59             :     , mnMode(0)
      60             :     , mpAcc(NULL)
      61             :     , mnWidth(0)
      62           0 :     , mnHeight(0)
      63             : {
      64           0 : }
      65             : 
      66           0 : PGMWriter::~PGMWriter()
      67             : {
      68           0 : }
      69             : 
      70           0 : bool PGMWriter::WritePGM( const Graphic& rGraphic, FilterConfigItem* pFilterConfigItem )
      71             : {
      72           0 :     if ( pFilterConfigItem )
      73             :     {
      74           0 :         mnMode = pFilterConfigItem->ReadInt32( "FileFormat", 0 );
      75             : 
      76           0 :         xStatusIndicator = pFilterConfigItem->GetStatusIndicator();
      77           0 :         if ( xStatusIndicator.is() )
      78             :         {
      79           0 :             OUString aMsg;
      80           0 :             xStatusIndicator->start( aMsg, 100 );
      81             :         }
      82             :     }
      83             : 
      84           0 :     BitmapEx    aBmpEx( rGraphic.GetBitmapEx() );
      85           0 :     Bitmap      aBmp = aBmpEx.GetBitmap();
      86           0 :     aBmp.Convert( BMP_CONVERSION_8BIT_GREYS );
      87             : 
      88           0 :     SvStreamEndian aOStmOldModus = m_rOStm.GetEndian();
      89           0 :     m_rOStm.SetEndian( SvStreamEndian::BIG );
      90             : 
      91           0 :     mpAcc = aBmp.AcquireReadAccess();
      92           0 :     if( mpAcc )
      93             :     {
      94           0 :         if ( ImplWriteHeader() )
      95             :         {
      96           0 :             ImplWriteBody();
      97             :         }
      98           0 :         Bitmap::ReleaseAccess( mpAcc );
      99             :     }
     100             :     else
     101           0 :         mbStatus = false;
     102             : 
     103           0 :     m_rOStm.SetEndian( aOStmOldModus );
     104             : 
     105           0 :     if ( xStatusIndicator.is() )
     106           0 :         xStatusIndicator->end();
     107             : 
     108           0 :     return mbStatus;
     109             : }
     110             : 
     111             : 
     112             : 
     113           0 : bool PGMWriter::ImplWriteHeader()
     114             : {
     115           0 :     mnWidth = mpAcc->Width();
     116           0 :     mnHeight = mpAcc->Height();
     117           0 :     if ( mnWidth && mnHeight )
     118             :     {
     119           0 :         if ( mnMode == 0 )
     120           0 :             m_rOStm.WriteCharPtr( "P5\x0a" );
     121             :         else
     122           0 :             m_rOStm.WriteCharPtr( "P2\x0a" );
     123             : 
     124           0 :         ImplWriteNumber( mnWidth );
     125           0 :         m_rOStm.WriteUChar( 32 );
     126           0 :         ImplWriteNumber( mnHeight );
     127           0 :         m_rOStm.WriteUChar( 32 );
     128           0 :         ImplWriteNumber( 255 );         // max. gray value
     129           0 :         m_rOStm.WriteUChar( 10 );
     130             :     }
     131             :     else
     132           0 :         mbStatus = false;
     133             : 
     134           0 :     return mbStatus;
     135             : }
     136             : 
     137             : 
     138             : 
     139           0 : void PGMWriter::ImplWriteBody()
     140             : {
     141           0 :     if ( mnMode == 0 )
     142             :     {
     143           0 :         for ( sal_uLong y = 0; y < mnHeight; y++ )
     144             :         {
     145           0 :             for ( sal_uLong x = 0; x < mnWidth; x++ )
     146             :             {
     147           0 :                 m_rOStm.WriteUChar( mpAcc->GetPixelIndex( y, x ) );
     148             :             }
     149             :         }
     150             :     }
     151             :     else
     152             :     {
     153           0 :         for ( sal_uLong y = 0; y < mnHeight; y++ )
     154             :         {
     155           0 :             int nCount = 70;
     156           0 :             for ( sal_uLong x = 0; x < mnWidth; x++ )
     157             :             {
     158             :                 sal_uInt8 nDat, nNumb;
     159           0 :                 if ( nCount < 0 )
     160             :                 {
     161           0 :                     nCount = 69;
     162           0 :                     m_rOStm.WriteUChar( 10 );
     163             :                 }
     164           0 :                 nDat = mpAcc->GetPixelIndex( y, x );
     165           0 :                 nNumb = nDat / 100;
     166           0 :                 if ( nNumb )
     167             :                 {
     168           0 :                     m_rOStm.WriteUChar( nNumb + '0' );
     169           0 :                     nDat -= ( nNumb * 100 );
     170           0 :                     nNumb = nDat / 10;
     171           0 :                     m_rOStm.WriteUChar( nNumb + '0' );
     172           0 :                     nDat -= ( nNumb * 10 );
     173           0 :                     m_rOStm.WriteUChar( nDat + '0' );
     174           0 :                     nCount -= 4;
     175             :                 }
     176             :                 else
     177             :                 {
     178           0 :                     nNumb = nDat / 10;
     179           0 :                     if ( nNumb )
     180             :                     {
     181           0 :                         m_rOStm.WriteUChar( nNumb + '0' );
     182           0 :                         nDat -= ( nNumb * 10 );
     183           0 :                         m_rOStm.WriteUChar( nDat + '0' );
     184           0 :                         nCount -= 3;
     185             :                     }
     186             :                     else
     187             :                     {
     188           0 :                         m_rOStm.WriteUChar( nDat + '0' );
     189           0 :                         nCount -= 2;
     190             :                     }
     191             :                 }
     192           0 :                 m_rOStm.WriteUChar( ' ' );
     193             :             }
     194           0 :             m_rOStm.WriteUChar( 10 );
     195             :         }
     196             :     }
     197           0 : }
     198             : 
     199             : 
     200             : // write a decimal number in ascii format into the stream
     201           0 : void PGMWriter::ImplWriteNumber(sal_Int32 nNumber)
     202             : {
     203           0 :     const OString aNum(OString::number(nNumber));
     204           0 :     m_rOStm.WriteCharPtr( aNum.getStr() );
     205           0 : }
     206             : 
     207             : 
     208             : 
     209             : 
     210             : // - exported function -
     211             : 
     212             : 
     213             : // this needs to be kept in sync with
     214             : // ImpFilterLibCacheEntry::GetImportFunction() from
     215             : // vcl/source/filter/graphicfilter.cxx
     216             : #if defined(DISABLE_DYNLOADING)
     217             : #define GraphicExport epgGraphicExport
     218             : #endif
     219             : 
     220             : extern "C" SAL_DLLPUBLIC_EXPORT bool SAL_CALL
     221           0 : GraphicExport( SvStream& rStream, Graphic& rGraphic, FilterConfigItem* pFilterConfigItem )
     222             : {
     223           0 :     PGMWriter aPGMWriter(rStream);
     224             : 
     225           0 :     return aPGMWriter.WritePGM( rGraphic, pFilterConfigItem );
     226           0 : }
     227             : 
     228             : 
     229             : 
     230             : 
     231             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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