LCOV - code coverage report
Current view: top level - filter/source/graphicfilter/epbm - epbm.cxx (source / functions) Hit Total Coverage
Test: commit c8344322a7af75b84dd3ca8f78b05543a976dfd5 Lines: 0 69 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             : //============================ PBMWriter ==================================
      30             : 
      31             : class PBMWriter {
      32             : 
      33             : private:
      34             : 
      35             :     SvStream&           m_rOStm;            // the output PBM file
      36             : 
      37             :     bool                mbStatus;
      38             :     sal_Int32           mnMode;             // 0 -> raw, 1-> ascii
      39             :     BitmapReadAccess*   mpAcc;
      40             :     sal_uLong           mnWidth, mnHeight;  // size in pixel
      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             :     PBMWriter(SvStream &rPBM);
      50             :     ~PBMWriter();
      51             : 
      52             :     bool WritePBM( const Graphic& rGraphic, FilterConfigItem* pFilterConfigItem );
      53             : };
      54             : 
      55             : //=================== Methods of PBMWriter ==============================
      56             : 
      57           0 : PBMWriter::PBMWriter(SvStream &rPBM)
      58             :     : m_rOStm(rPBM)
      59             :     , mbStatus(true)
      60             :     , mnMode(0)
      61             :     , mpAcc(NULL)
      62             :     , mnWidth(0)
      63           0 :     , mnHeight(0)
      64             : {
      65           0 : }
      66             : 
      67             : 
      68             : 
      69           0 : PBMWriter::~PBMWriter()
      70             : {
      71           0 : }
      72             : 
      73             : 
      74             : 
      75           0 : bool PBMWriter::WritePBM( const Graphic& rGraphic, FilterConfigItem* pFilterConfigItem )
      76             : {
      77           0 :     if ( pFilterConfigItem )
      78             :     {
      79           0 :         mnMode = pFilterConfigItem->ReadInt32( "FileFormat", 0 );
      80             : 
      81           0 :         xStatusIndicator = pFilterConfigItem->GetStatusIndicator();
      82           0 :         if ( xStatusIndicator.is() )
      83             :         {
      84           0 :             OUString aMsg;
      85           0 :             xStatusIndicator->start( aMsg, 100 );
      86             :         }
      87             :     }
      88             : 
      89           0 :     BitmapEx    aBmpEx( rGraphic.GetBitmapEx() );
      90           0 :     Bitmap      aBmp = aBmpEx.GetBitmap();
      91           0 :     aBmp.Convert( BMP_CONVERSION_1BIT_THRESHOLD );
      92             : 
      93           0 :     SvStreamEndian aOStmOldModus = m_rOStm.GetEndian();
      94           0 :     m_rOStm.SetEndian( SvStreamEndian::BIG );
      95             : 
      96           0 :     mpAcc = aBmp.AcquireReadAccess();
      97           0 :     if( mpAcc )
      98             :     {
      99           0 :         if ( ImplWriteHeader() )
     100           0 :             ImplWriteBody();
     101             : 
     102           0 :         Bitmap::ReleaseAccess( mpAcc );
     103             :     }
     104             :     else
     105           0 :         mbStatus = false;
     106             : 
     107           0 :     m_rOStm.SetEndian( aOStmOldModus );
     108             : 
     109           0 :     if ( xStatusIndicator.is() )
     110           0 :         xStatusIndicator->end();
     111             : 
     112           0 :     return mbStatus;
     113             : }
     114             : 
     115             : 
     116             : 
     117           0 : bool PBMWriter::ImplWriteHeader()
     118             : {
     119           0 :     mnWidth = mpAcc->Width();
     120           0 :     mnHeight = mpAcc->Height();
     121           0 :     if ( mnWidth && mnHeight )
     122             :     {
     123           0 :         if ( mnMode == 0 )
     124           0 :             m_rOStm.WriteCharPtr( "P4\x0a" );
     125             :         else
     126           0 :             m_rOStm.WriteCharPtr( "P1\x0a" );
     127             : 
     128           0 :         ImplWriteNumber( mnWidth );
     129           0 :         m_rOStm.WriteUChar( 32 );
     130           0 :         ImplWriteNumber( mnHeight );
     131           0 :         m_rOStm.WriteUChar( 10 );
     132             :     }
     133           0 :     else mbStatus = false;
     134           0 :     return mbStatus;
     135             : }
     136             : 
     137             : 
     138             : 
     139           0 : void PBMWriter::ImplWriteBody()
     140             : {
     141           0 :     if ( mnMode == 0 )
     142             :     {
     143           0 :         sal_uInt8   nBYTE = 0;
     144           0 :         for ( sal_uLong y = 0; y < mnHeight; y++ )
     145             :         {
     146             :             sal_uLong x;
     147           0 :             for ( x = 0; x < mnWidth; x++ )
     148             :             {
     149           0 :                 nBYTE <<= 1;
     150           0 :                 if (!(mpAcc->GetPixelIndex( y, x ) & 1 ) )
     151           0 :                     nBYTE++;
     152           0 :                 if ( ( x & 7 ) == 7 )
     153           0 :                     m_rOStm.WriteUChar( nBYTE );
     154             :             }
     155           0 :             if ( ( x & 7 ) != 0 )
     156           0 :                 m_rOStm.WriteUChar( nBYTE << ( ( x ^ 7 ) + 1 ) );
     157             :         }
     158             :     }
     159             :     else
     160             :     {
     161           0 :         for ( sal_uLong y = 0; y < mnHeight; y++ )
     162             :         {
     163           0 :             int nxCount = 70;
     164           0 :             for ( sal_uLong x = 0; x < mnWidth; x++ )
     165             :             {
     166           0 :                 if (!( --nxCount ) )
     167             :                 {
     168           0 :                     nxCount = 69;
     169           0 :                     m_rOStm.WriteUChar( 10 );
     170             :                 }
     171           0 :                 m_rOStm.WriteUChar( ( mpAcc->GetPixelIndex( y, x ) ^ 1 ) + '0' ) ;
     172             :             }
     173           0 :             m_rOStm.WriteUChar( 10 );
     174             :         }
     175             :     }
     176           0 : }
     177             : 
     178             : 
     179             : // A decimal number in ascii format is written in the stream.
     180             : 
     181           0 : void PBMWriter::ImplWriteNumber(sal_Int32 nNumber)
     182             : {
     183           0 :     const OString aNum(OString::number(nNumber));
     184           0 :     m_rOStm.WriteCharPtr( aNum.getStr() );
     185           0 : }
     186             : 
     187             : 
     188             : 
     189             : 
     190             : // - exported function -
     191             : 
     192             : 
     193             : // this needs to be kept in sync with
     194             : // ImpFilterLibCacheEntry::GetImportFunction() from
     195             : // vcl/source/filter/graphicfilter.cxx
     196             : #if defined(DISABLE_DYNLOADING)
     197             : #define GraphicExport epbGraphicExport
     198             : #endif
     199             : 
     200             : extern "C" SAL_DLLPUBLIC_EXPORT bool SAL_CALL
     201           0 : GraphicExport( SvStream& rStream, Graphic& rGraphic, FilterConfigItem* pFilterConfigItem )
     202             : {
     203           0 :     PBMWriter aPBMWriter(rStream);
     204             : 
     205           0 :     return aPBMWriter.WritePBM( rGraphic, pFilterConfigItem );
     206           0 : }
     207             : 
     208             : 
     209             : 
     210             : 
     211             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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