LCOV - code coverage report
Current view: top level - libreoffice/vcl/source/gdi - bmpconv.cxx (source / functions) Hit Total Coverage
Test: libreoffice_filtered.info Lines: 6 65 9.2 %
Date: 2012-12-27 Functions: 4 16 25.0 %
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/bitmap.hxx"
      22             : #include "vcl/svapp.hxx"
      23             : #include "vcl/salctype.hxx"
      24             : #include <osl/mutex.hxx>
      25             : #include "tools/stream.hxx"
      26             : #include "com/sun/star/script/XInvocation.hpp"
      27             : #include "com/sun/star/awt/XBitmap.hpp"
      28             : #include "cppuhelper/compbase1.hxx"
      29             : 
      30             : 
      31             : using namespace com::sun::star::uno;
      32             : using namespace com::sun::star::script;
      33             : using namespace com::sun::star::beans;
      34             : using namespace com::sun::star::reflection;
      35             : using namespace com::sun::star::awt;
      36             : 
      37             : using ::rtl::OUString;
      38             : 
      39             : namespace vcl {
      40             : 
      41             : class BmpTransporter :
      42             :         public cppu::WeakImplHelper1< com::sun::star::awt::XBitmap >
      43             : {
      44             :     Sequence<sal_Int8>          m_aBM;
      45             :     com::sun::star::awt::Size   m_aSize;
      46             : public:
      47             :     BmpTransporter( const Bitmap& rBM );
      48             :     virtual  ~BmpTransporter();
      49             : 
      50             :     virtual com::sun::star::awt::Size SAL_CALL getSize() throw();
      51             :     virtual Sequence< sal_Int8 > SAL_CALL getDIB() throw();
      52             :     virtual Sequence< sal_Int8 > SAL_CALL getMaskDIB() throw();
      53             : };
      54             : 
      55             : class BmpConverter :
      56             :         public cppu::WeakImplHelper1< com::sun::star::script::XInvocation >
      57             : {
      58             : public:
      59             :     BmpConverter();
      60             :     virtual ~BmpConverter();
      61             : 
      62             :     virtual Reference< XIntrospectionAccess > SAL_CALL getIntrospection() throw();
      63             :     virtual void SAL_CALL setValue( const OUString& rProperty, const Any& rValue )
      64             :         throw( UnknownPropertyException );
      65             :     virtual Any SAL_CALL getValue( const OUString& rProperty )
      66             :         throw( UnknownPropertyException );
      67             :     virtual sal_Bool SAL_CALL hasMethod( const OUString& rName ) throw();
      68             :     virtual sal_Bool SAL_CALL hasProperty( const OUString& rProp ) throw();
      69             : 
      70             :     virtual Any SAL_CALL invoke( const OUString& rFunction,
      71             :                                  const Sequence< Any >& rParams,
      72             :                                  Sequence< sal_Int16 >& rOutParamIndex,
      73             :                                  Sequence< Any >& rOutParam
      74             :                                  )
      75             :         throw( CannotConvertException, InvocationTargetException );
      76             : };
      77             : 
      78             : }
      79             : 
      80             : using namespace vcl;
      81             : 
      82        1476 : Reference< XInvocation > vcl::createBmpConverter()
      83             : {
      84        1476 :     return static_cast<XInvocation*>(new BmpConverter());
      85             : }
      86             : 
      87        1476 : BmpConverter::BmpConverter()
      88             : {
      89        1476 : }
      90             : 
      91        2952 : BmpConverter::~BmpConverter()
      92             : {
      93        2952 : }
      94             : 
      95           0 : Reference< XIntrospectionAccess > SAL_CALL BmpConverter::getIntrospection() throw()
      96             : {
      97           0 :     return Reference< XIntrospectionAccess >();
      98             : }
      99             : 
     100           0 : void SAL_CALL BmpConverter::setValue( const OUString&, const Any& ) throw( UnknownPropertyException )
     101             : {
     102           0 :     throw UnknownPropertyException();
     103             : }
     104             : 
     105           0 : Any SAL_CALL BmpConverter::getValue( const OUString& ) throw( UnknownPropertyException )
     106             : {
     107           0 :     throw UnknownPropertyException();
     108             : }
     109             : 
     110           0 : sal_Bool SAL_CALL BmpConverter::hasMethod( const OUString& rName ) throw()
     111             : {
     112           0 :     return rName.equalsIgnoreAsciiCase( OUString("convert-bitmap-depth") );
     113             : }
     114             : 
     115           0 : sal_Bool SAL_CALL BmpConverter::hasProperty( const OUString& ) throw()
     116             : {
     117           0 :     return sal_False;
     118             : }
     119             : 
     120           0 : Any SAL_CALL BmpConverter::invoke(
     121             :                                   const OUString& rFunction,
     122             :                                   const Sequence< Any >& rParams,
     123             :                                   Sequence< sal_Int16 >&,
     124             :                                   Sequence< Any >& )
     125             :     throw( CannotConvertException, InvocationTargetException )
     126             : {
     127           0 :     Any aRet;
     128             : 
     129           0 :     if( rFunction.equalsIgnoreAsciiCase( OUString("convert-bitmap-depth") ) )
     130             :     {
     131           0 :         Reference< XBitmap > xBM;
     132           0 :         sal_uInt16 nTargetDepth = 0;
     133           0 :         if( rParams.getLength() != 2 )
     134           0 :             throw CannotConvertException();
     135             : 
     136           0 :         if( ! (rParams.getConstArray()[0] >>= xBM ) ||
     137           0 :             ! ( rParams.getConstArray()[1] >>= nTargetDepth ) )
     138           0 :             throw CannotConvertException();
     139             : 
     140           0 :         Sequence< sal_Int8 > aDIB = xBM->getDIB();
     141             : 
     142             :         // call into vcl not thread safe
     143           0 :         SolarMutexGuard aGuard;
     144             : 
     145           0 :         SvMemoryStream aStream( aDIB.getArray(), aDIB.getLength(), STREAM_READ | STREAM_WRITE );
     146           0 :         Bitmap aBM;
     147           0 :         aBM.Read( aStream, sal_True );
     148           0 :         if( nTargetDepth < 4 )
     149           0 :             nTargetDepth = 1;
     150           0 :         else if( nTargetDepth < 8 )
     151           0 :             nTargetDepth = 4;
     152           0 :         else if( nTargetDepth >8 && nTargetDepth < 24 )
     153           0 :             nTargetDepth = 24;
     154             : 
     155           0 :         if( aBM.GetBitCount() == 24 && nTargetDepth <= 8 )
     156           0 :             aBM.Dither( BMP_DITHER_FLOYD );
     157             : 
     158           0 :         if( aBM.GetBitCount() != nTargetDepth )
     159             :         {
     160           0 :             switch( nTargetDepth )
     161             :             {
     162           0 :                 case 1:     aBM.Convert( BMP_CONVERSION_1BIT_THRESHOLD );break;
     163           0 :                 case 4:     aBM.ReduceColors( BMP_CONVERSION_4BIT_COLORS );break;
     164           0 :                 case 8:     aBM.ReduceColors( BMP_CONVERSION_8BIT_COLORS );break;
     165           0 :                 case 24:    aBM.Convert( BMP_CONVERSION_24BIT );break;
     166             :             }
     167             :         }
     168           0 :         xBM = new BmpTransporter( aBM );
     169           0 :         aRet <<= xBM;
     170             :     }
     171             :     else
     172           0 :         throw InvocationTargetException();
     173             : 
     174           0 :     return aRet;
     175             : }
     176             : 
     177           0 : BmpTransporter::BmpTransporter( const Bitmap& rBM )
     178             : {
     179           0 :     m_aSize.Width = rBM.GetSizePixel().Width();
     180           0 :     m_aSize.Height = rBM.GetSizePixel().Height();
     181           0 :     SvMemoryStream aStream;
     182           0 :     rBM.Write( aStream, sal_False, sal_True );
     183           0 :     m_aBM = Sequence<sal_Int8>(static_cast<const sal_Int8*>(aStream.GetData()),
     184           0 :                 aStream.GetEndOfData());
     185           0 : }
     186             : 
     187           0 : BmpTransporter::~BmpTransporter()
     188             : {
     189           0 : }
     190             : 
     191           0 : com::sun::star::awt::Size SAL_CALL BmpTransporter::getSize() throw()
     192             : {
     193           0 :     return m_aSize;
     194             : }
     195             : 
     196           0 : Sequence< sal_Int8 > SAL_CALL BmpTransporter::getDIB() throw()
     197             : {
     198           0 :     return m_aBM;
     199             : }
     200             : 
     201           0 : Sequence< sal_Int8 > SAL_CALL BmpTransporter::getMaskDIB() throw()
     202             : {
     203           0 :     return Sequence< sal_Int8 >();
     204             : }
     205             : 
     206             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

Generated by: LCOV version 1.10