353 lines
10 KiB
C++
353 lines
10 KiB
C++
/*************************************************************************
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* $RCSfile: scanunx.cxx,v $
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*
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* $Revision: 1.8 $
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*
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* last change: $Author: obo $ $Date: 2006-09-16 13:28:01 $
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*
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* The Contents of this file are made available subject to
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* the terms of GNU Lesser General Public License Version 2.1.
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*
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2005 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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************************************************************************/
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// MARKER(update_precomp.py): autogen include statement, do not remove
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#include "precompiled_extensions.hxx"
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#include <scanner.hxx>
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#include <sanedlg.hxx>
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#include <vos/thread.hxx>
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#include <tools/list.hxx>
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#if OSL_DEBUG_LEVEL > 1
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#include <stdio.h>
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#endif
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BitmapTransporter::BitmapTransporter()
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{
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#if OSL_DEBUG_LEVEL > 1
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fprintf( stderr, "BitmapTransporter\n" );
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#endif
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}
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BitmapTransporter::~BitmapTransporter()
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{
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#if OSL_DEBUG_LEVEL > 1
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fprintf( stderr, "~BitmapTransporter\n" );
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#endif
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}
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// -----------------------------------------------------------------------------
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ANY SAL_CALL BitmapTransporter::queryInterface( const Type& rType ) throw( RuntimeException )
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{
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const ANY aRet( cppu::queryInterface( rType, static_cast< AWT::XBitmap* >( this ) ) );
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return( aRet.hasValue() ? aRet : OWeakObject::queryInterface( rType ) );
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}
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// -----------------------------------------------------------------------------
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AWT::Size BitmapTransporter::getSize() throw()
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{
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vos::OGuard aGuard( m_aProtector );
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int nPreviousPos = m_aStream.Tell();
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AWT::Size aRet;
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// ensure that there is at least a header
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m_aStream.Seek( STREAM_SEEK_TO_END );
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int nLen = m_aStream.Tell();
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if( nLen > 15 )
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{
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m_aStream.Seek( 4 );
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m_aStream >> aRet.Width >> aRet.Height;
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}
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else
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aRet.Width = aRet.Height = 0;
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m_aStream.Seek( nPreviousPos );
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return aRet;
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}
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// -----------------------------------------------------------------------------
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SEQ( sal_Int8 ) BitmapTransporter::getDIB() throw()
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{
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vos::OGuard aGuard( m_aProtector );
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int nPreviousPos = m_aStream.Tell();
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// create return value
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m_aStream.Seek( STREAM_SEEK_TO_END );
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int nBytes = m_aStream.Tell();
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m_aStream.Seek( 0 );
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SEQ( sal_Int8 ) aValue( nBytes );
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m_aStream.Read( aValue.getArray(), nBytes );
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m_aStream.Seek( nPreviousPos );
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return aValue;
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}
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// --------------
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// - SaneHolder -
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// --------------
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struct SaneHolder
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{
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Sane m_aSane;
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REF( AWT::XBitmap ) m_xBitmap;
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vos::OMutex m_aProtector;
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ScanError m_nError;
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bool m_bBusy;
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};
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DECLARE_LIST( SaneHolderList, SaneHolder* );
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static SaneHolderList allSanes;
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static vos::OMutex aSaneProtector;
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// -----------------
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// - ScannerThread -
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// -----------------
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class ScannerThread : public vos::OThread
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{
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SaneHolder* m_pHolder;
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REF( com::sun::star::lang::XEventListener ) m_xListener;
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ScannerManager* m_pManager; // just for the disposing call
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public:
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virtual void run();
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virtual void onTerminated() { delete this; }
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public:
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ScannerThread( SaneHolder* pHolder,
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const REF( com::sun::star::lang::XEventListener )& listener,
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ScannerManager* pManager );
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virtual ~ScannerThread();
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};
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// -----------------------------------------------------------------------------
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ScannerThread::ScannerThread(
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SaneHolder* pHolder,
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const REF( com::sun::star::lang::XEventListener )& listener,
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ScannerManager* pManager )
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: m_pHolder( pHolder ), m_xListener( listener ), m_pManager( pManager )
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{
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#if OSL_DEBUG_LEVEL > 1
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fprintf( stderr, "ScannerThread\n" );
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#endif
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}
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ScannerThread::~ScannerThread()
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{
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#if OSL_DEBUG_LEVEL > 1
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fprintf( stderr, "~ScannerThread\n" );
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#endif
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}
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void ScannerThread::run()
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{
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vos::OGuard aGuard( m_pHolder->m_aProtector );
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BitmapTransporter* pTransporter = new BitmapTransporter;
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REF( XInterface ) aIf( static_cast< OWeakObject* >( pTransporter ) );
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m_pHolder->m_xBitmap = REF( AWT::XBitmap )( aIf, UNO_QUERY );
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m_pHolder->m_bBusy = true;
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if( m_pHolder->m_aSane.IsOpen() )
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{
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int nOption = m_pHolder->m_aSane.GetOptionByName( "preview" );
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if( nOption != -1 )
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m_pHolder->m_aSane.SetOptionValue( nOption, (BOOL)FALSE );
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m_pHolder->m_nError =
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m_pHolder->m_aSane.Start( *pTransporter ) ?
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ScanError_ScanErrorNone : ScanError_ScanCanceled;
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}
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else
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m_pHolder->m_nError = ScanError_ScannerNotAvailable;
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REF( XInterface ) xXInterface( static_cast< OWeakObject* >( m_pManager ) );
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m_xListener->disposing( com::sun::star::lang::EventObject(xXInterface) );
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m_pHolder->m_bBusy = false;
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}
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// ------------------
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// - ScannerManager -
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// ------------------
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void ScannerManager::DestroyData()
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{
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// unused
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}
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// -----------------------------------------------------------------------------
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AWT::Size ScannerManager::getSize() throw()
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{
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AWT::Size aRet;
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aRet.Width = aRet.Height = 0;
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return aRet;
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}
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// -----------------------------------------------------------------------------
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SEQ( sal_Int8 ) ScannerManager::getDIB() throw()
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{
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return SEQ( sal_Int8 )();
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}
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// -----------------------------------------------------------------------------
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SEQ( ScannerContext ) ScannerManager::getAvailableScanners() throw()
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{
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vos::OGuard aGuard( aSaneProtector );
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if( ! allSanes.Count() )
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{
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SaneHolder* pSaneHolder = new SaneHolder;
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pSaneHolder->m_nError = ScanError_ScanErrorNone;
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pSaneHolder->m_bBusy = false;
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if( Sane::IsSane() )
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allSanes.Insert( pSaneHolder );
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else
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delete pSaneHolder;
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}
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if( Sane::IsSane() )
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{
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SEQ( ScannerContext ) aRet(1);
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aRet.getArray()[0].ScannerName = ::rtl::OUString::createFromAscii( "SANE" );
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aRet.getArray()[0].InternalData = 0;
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return aRet;
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}
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return SEQ( ScannerContext )();
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}
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// -----------------------------------------------------------------------------
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BOOL ScannerManager::configureScanner( ScannerContext& scanner_context ) throw( ScannerException )
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{
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vos::OGuard aGuard( aSaneProtector );
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#if OSL_DEBUG_LEVEL > 1
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fprintf( stderr, "ScannerManager::configureScanner\n" );
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#endif
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if( scanner_context.InternalData < 0 || scanner_context.InternalData >= allSanes.Count() )
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throw ScannerException(
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::rtl::OUString::createFromAscii( "Scanner does not exist" ),
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REF( XScannerManager )( this ),
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ScanError_InvalidContext
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);
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SaneHolder* pHolder = allSanes.GetObject( scanner_context.InternalData );
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if( pHolder->m_bBusy )
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throw ScannerException(
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::rtl::OUString::createFromAscii( "Scanner is busy" ),
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REF( XScannerManager )( this ),
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ScanError_ScanInProgress
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);
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pHolder->m_bBusy = true;
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SaneDlg aDlg( NULL, pHolder->m_aSane );
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BOOL bRet = (BOOL)aDlg.Execute();
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pHolder->m_bBusy = false;
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return bRet;
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}
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// -----------------------------------------------------------------------------
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void ScannerManager::startScan( const ScannerContext& scanner_context,
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const REF( com::sun::star::lang::XEventListener )& listener ) throw( ScannerException )
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{
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vos::OGuard aGuard( aSaneProtector );
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#if OSL_DEBUG_LEVEL > 1
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fprintf( stderr, "ScannerManager::startScan\n" );
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#endif
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if( scanner_context.InternalData < 0 || scanner_context.InternalData >= allSanes.Count() )
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throw ScannerException(
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::rtl::OUString::createFromAscii( "Scanner does not exist" ),
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REF( XScannerManager )( this ),
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ScanError_InvalidContext
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);
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SaneHolder* pHolder = allSanes.GetObject( scanner_context.InternalData );
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if( pHolder->m_bBusy )
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throw ScannerException(
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::rtl::OUString::createFromAscii( "Scanner is busy" ),
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REF( XScannerManager )( this ),
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ScanError_ScanInProgress
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);
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pHolder->m_bBusy = true;
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ScannerThread* pThread = new ScannerThread( pHolder, listener, this );
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pThread->create();
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}
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// -----------------------------------------------------------------------------
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ScanError ScannerManager::getError( const ScannerContext& scanner_context ) throw( ScannerException )
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{
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vos::OGuard aGuard( aSaneProtector );
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if( scanner_context.InternalData < 0 || scanner_context.InternalData >= allSanes.Count() )
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throw ScannerException(
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::rtl::OUString::createFromAscii( "Scanner does not exist" ),
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REF( XScannerManager )( this ),
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ScanError_InvalidContext
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);
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SaneHolder* pHolder = allSanes.GetObject( scanner_context.InternalData );
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return pHolder->m_nError;
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}
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// -----------------------------------------------------------------------------
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REF( AWT::XBitmap ) ScannerManager::getBitmap( const ScannerContext& scanner_context ) throw( ScannerException )
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{
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vos::OGuard aGuard( aSaneProtector );
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if( scanner_context.InternalData < 0 || scanner_context.InternalData >= allSanes.Count() )
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throw ScannerException(
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::rtl::OUString::createFromAscii( "Scanner does not exist" ),
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REF( XScannerManager )( this ),
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ScanError_InvalidContext
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);
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SaneHolder* pHolder = allSanes.GetObject( scanner_context.InternalData );
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vos::OGuard aProtGuard( pHolder->m_aProtector );
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REF( AWT::XBitmap ) xRet( pHolder->m_xBitmap );
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pHolder->m_xBitmap = REF( AWT::XBitmap )();
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return xRet;
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}
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