1012 lines
34 KiB
C++
1012 lines
34 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org 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
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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#include <cstdarg>
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#include <math.h>
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#include <osl/file.h>
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#include <tools/stream.hxx>
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#include <sane.hxx>
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#include <dlfcn.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <sys/time.h>
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#include <sys/types.h>
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#include <sal/config.h>
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#include <sal/macros.h>
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#if (OSL_DEBUG_LEVEL > 1) || defined DBG_UTIL
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#include <stdarg.h>
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#define dump_state( a, b, c, d ) fprintf( stderr, a, b, c, d );
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#else
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#define dump_state( a, b, c, d ) ;
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#endif
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inline void dbg_msg( const char* pString, ... )
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{
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#if (OSL_DEBUG_LEVEL > 1) || defined DBG_UTIL
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va_list ap;
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va_start( ap, pString );
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vfprintf( stderr, pString, ap );
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va_end( ap );
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#else
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(void)pString;
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#endif
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}
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#define FAIL_SHUTDOWN_STATE( x, y, z ) \
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if( x != SANE_STATUS_GOOD ) \
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{ \
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dump_state( "%s returned error %d (%s)\n", \
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y, x, p_strstatus( x ) ); \
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DeInit(); \
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return z; \
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}
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#define FAIL_STATE( x, y, z ) \
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if( x != SANE_STATUS_GOOD ) \
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{ \
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dump_state( "%s returned error %d (%s)\n", \
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y, x, p_strstatus( x ) ); \
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return z; \
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}
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#define DUMP_STATE( x, y ) \
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if( x != SANE_STATUS_GOOD ) \
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{ \
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dump_state( "%s returned error %d (%s)\n", \
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y, x, p_strstatus( x ) ); \
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}
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int Sane::nRefCount = 0;
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oslModule Sane::pSaneLib = 0;
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SANE_Int Sane::nVersion = 0;
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SANE_Device** Sane::ppDevices = 0;
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int Sane::nDevices = 0;
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SANE_Status (*Sane::p_init)( SANE_Int*,
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SANE_Auth_Callback ) = 0;
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void (*Sane::p_exit)() = 0;
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SANE_Status (*Sane::p_get_devices)( const SANE_Device***,
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SANE_Bool ) = 0;
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SANE_Status (*Sane::p_open)( SANE_String_Const, SANE_Handle ) = 0;
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void (*Sane::p_close)( SANE_Handle ) = 0;
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const SANE_Option_Descriptor* (*Sane::p_get_option_descriptor)(
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SANE_Handle, SANE_Int ) = 0;
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SANE_Status (*Sane::p_control_option)( SANE_Handle, SANE_Int,
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SANE_Action, void*,
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SANE_Int* ) = 0;
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SANE_Status (*Sane::p_get_parameters)( SANE_Handle,
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SANE_Parameters* ) = 0;
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SANE_Status (*Sane::p_start)( SANE_Handle ) = 0;
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SANE_Status (*Sane::p_read)( SANE_Handle, SANE_Byte*, SANE_Int,
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SANE_Int* ) = 0;
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void (*Sane::p_cancel)( SANE_Handle ) = 0;
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SANE_Status (*Sane::p_set_io_mode)( SANE_Handle, SANE_Bool ) = 0;
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SANE_Status (*Sane::p_get_select_fd)( SANE_Handle, SANE_Int* ) = 0;
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SANE_String_Const (*Sane::p_strstatus)( SANE_Status ) = 0;
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static sal_Bool bSaneSymbolLoadFailed = sal_False;
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inline oslGenericFunction Sane::LoadSymbol( const char* pSymbolname )
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{
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oslGenericFunction pFunction = osl_getAsciiFunctionSymbol( pSaneLib, pSymbolname );
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if( ! pFunction )
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{
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fprintf( stderr, "Could not load symbol %s\n",
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pSymbolname );
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bSaneSymbolLoadFailed = sal_True;
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}
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return pFunction;
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}
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SANE_Status Sane::ControlOption( int nOption, SANE_Action nAction,
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void* pData )
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{
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SANE_Status nStatus = SANE_STATUS_GOOD;
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SANE_Int nInfo = 0;
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nStatus = p_control_option( maHandle, (SANE_Int)nOption,
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nAction, pData, &nInfo );
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DUMP_STATE( nStatus, "sane_control_option" );
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#if OSL_DEBUG_LEVEL > 1
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if( nStatus != SANE_STATUS_GOOD )
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{
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const char* pAction = "Unknown";
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switch( nAction )
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{
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case SANE_ACTION_GET_VALUE:
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pAction = "SANE_ACTION_GET_VALUE";break;
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case SANE_ACTION_SET_VALUE:
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pAction = "SANE_ACTION_SET_VALUE";break;
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case SANE_ACTION_SET_AUTO:
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pAction = "SANE_ACTION_SET_AUTO";break;
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}
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dbg_msg( "Option: \"%s\" action: %s\n",
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rtl::OUStringToOString(GetOptionName(nOption), osl_getThreadTextEncoding()).getStr(),
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pAction );
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}
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#endif
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if( nInfo & SANE_INFO_RELOAD_OPTIONS )
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ReloadOptions();
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return nStatus;
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}
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Sane::Sane() :
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mppOptions( 0 ),
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mnOptions( 0 ),
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mnDevice( -1 ),
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maHandle( 0 )
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{
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if( ! nRefCount || ! pSaneLib )
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Init();
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nRefCount++;
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};
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Sane::~Sane()
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{
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if( IsOpen() )
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Close();
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nRefCount--;
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if( ! nRefCount && pSaneLib )
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DeInit();
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}
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void Sane::Init()
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{
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::rtl::OUString sSaneLibName( "libsane" SAL_DLLEXTENSION );
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pSaneLib = osl_loadModule( sSaneLibName.pData, SAL_LOADMODULE_LAZY );
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if( ! pSaneLib )
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{
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sSaneLibName = ::rtl::OUString("libsane" SAL_DLLEXTENSION ".1" );
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pSaneLib = osl_loadModule( sSaneLibName.pData, SAL_LOADMODULE_LAZY );
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}
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// try reasonable places that might not be in the library search path
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if( ! pSaneLib )
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{
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::rtl::OUString sSaneLibSystemPath( "/usr/local/lib/libsane" SAL_DLLEXTENSION );
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osl_getFileURLFromSystemPath( sSaneLibSystemPath.pData, &sSaneLibName.pData );
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pSaneLib = osl_loadModule( sSaneLibName.pData, SAL_LOADMODULE_LAZY );
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}
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if( pSaneLib )
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{
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bSaneSymbolLoadFailed = sal_False;
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p_init = (SANE_Status(*)(SANE_Int*, SANE_Auth_Callback ))
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LoadSymbol( "sane_init" );
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p_exit = (void(*)())
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LoadSymbol( "sane_exit" );
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p_get_devices = (SANE_Status(*)(const SANE_Device***,
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SANE_Bool ))
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LoadSymbol( "sane_get_devices" );
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p_open = (SANE_Status(*)(SANE_String_Const, SANE_Handle ))
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LoadSymbol( "sane_open" );
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p_close = (void(*)(SANE_Handle))
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LoadSymbol( "sane_close" );
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p_get_option_descriptor = (const SANE_Option_Descriptor*(*)(SANE_Handle,
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SANE_Int))
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LoadSymbol( "sane_get_option_descriptor" );
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p_control_option = (SANE_Status(*)(SANE_Handle, SANE_Int,
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SANE_Action, void*, SANE_Int*))
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LoadSymbol( "sane_control_option" );
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p_get_parameters = (SANE_Status(*)(SANE_Handle,SANE_Parameters*))
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LoadSymbol( "sane_get_parameters" );
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p_start = (SANE_Status(*)(SANE_Handle))
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LoadSymbol( "sane_start" );
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p_read = (SANE_Status(*)(SANE_Handle, SANE_Byte*,
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SANE_Int, SANE_Int* ))
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LoadSymbol( "sane_read" );
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p_cancel = (void(*)(SANE_Handle))
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LoadSymbol( "sane_cancel" );
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p_set_io_mode = (SANE_Status(*)(SANE_Handle, SANE_Bool))
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LoadSymbol( "sane_set_io_mode" );
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p_get_select_fd = (SANE_Status(*)(SANE_Handle, SANE_Int*))
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LoadSymbol( "sane_get_select_fd" );
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p_strstatus = (SANE_String_Const(*)(SANE_Status))
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LoadSymbol( "sane_strstatus" );
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if( bSaneSymbolLoadFailed )
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DeInit();
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else
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{
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SANE_Status nStatus = p_init( &nVersion, 0 );
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FAIL_SHUTDOWN_STATE( nStatus, "sane_init", );
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nStatus = p_get_devices( (const SANE_Device***)&ppDevices,
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SANE_FALSE );
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FAIL_SHUTDOWN_STATE( nStatus, "sane_get_devices", );
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for( nDevices = 0 ; ppDevices[ nDevices ]; nDevices++ ) ;
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}
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}
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#if (OSL_DEBUG_LEVEL > 1) || defined DBG_UTIL
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else
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fprintf( stderr, "libsane%s could not be opened: %s\n", SAL_DLLEXTENSION,
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dlerror() );
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#endif
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}
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void Sane::DeInit()
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{
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if( pSaneLib )
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{
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p_exit();
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osl_unloadModule( pSaneLib );
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pSaneLib = 0;
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}
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}
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void Sane::ReloadDevices()
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{
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if( IsOpen() )
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Close();
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DeInit();
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Init();
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}
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void Sane::ReloadOptions()
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{
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if( ! IsOpen() )
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return;
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const SANE_Option_Descriptor* pZero = p_get_option_descriptor( maHandle, 0 );
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SANE_Word pOptions[2];
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SANE_Status nStatus = p_control_option( maHandle, 0, SANE_ACTION_GET_VALUE,
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(void*)pOptions, NULL );
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if( nStatus != SANE_STATUS_GOOD )
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fprintf( stderr, "Error: sane driver returned %s while reading number of options !\n", p_strstatus( nStatus ) );
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mnOptions = pOptions[ 0 ];
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if( (size_t)pZero->size > sizeof( SANE_Word ) )
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fprintf( stderr, "driver returned numer of options with larger size tha SANE_Word !!!\n" );
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if( mppOptions )
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delete [] mppOptions;
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mppOptions = new const SANE_Option_Descriptor*[ mnOptions ];
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mppOptions[ 0 ] = pZero;
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for( int i = 1; i < mnOptions; i++ )
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mppOptions[ i ] = (SANE_Option_Descriptor*)
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p_get_option_descriptor( maHandle, i );
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CheckConsistency( NULL, sal_True );
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maReloadOptionsLink.Call( this );
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}
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sal_Bool Sane::Open( const char* name )
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{
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SANE_Status nStatus = p_open( (SANE_String_Const)name, &maHandle );
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FAIL_STATE( nStatus, "sane_open", sal_False );
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ReloadOptions();
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if( mnDevice == -1 )
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{
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rtl::OString aDevice( name );
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for( int i = 0; i < nDevices; i++ )
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{
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if( aDevice.equals( ppDevices[i]->name ) )
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{
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mnDevice = i;
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break;
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}
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}
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}
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return sal_True;
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}
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sal_Bool Sane::Open( int n )
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{
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if( n >= 0 && n < nDevices )
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{
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mnDevice = n;
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return Open( (char*)ppDevices[n]->name );
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}
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return sal_False;
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}
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void Sane::Close()
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{
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if( maHandle )
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{
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p_close( maHandle );
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delete [] mppOptions;
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mppOptions = 0;
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maHandle = 0;
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mnDevice = -1;
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}
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}
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int Sane::GetOptionByName( const char* rName )
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{
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int i;
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rtl::OString aOption( rName );
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for( i = 0; i < mnOptions; i++ )
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{
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if( mppOptions[i]->name && aOption.equals( mppOptions[i]->name ) )
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return i;
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}
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return -1;
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}
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sal_Bool Sane::GetOptionValue( int n, sal_Bool& rRet )
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{
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if( ! maHandle || mppOptions[n]->type != SANE_TYPE_BOOL )
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return sal_False;
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SANE_Word nRet;
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SANE_Status nStatus = ControlOption( n, SANE_ACTION_GET_VALUE, &nRet );
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if( nStatus != SANE_STATUS_GOOD )
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return sal_False;
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rRet = nRet;
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return sal_True;
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}
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sal_Bool Sane::GetOptionValue( int n, rtl::OString& rRet )
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{
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sal_Bool bSuccess = sal_False;
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if( ! maHandle || mppOptions[n]->type != SANE_TYPE_STRING )
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return sal_False;
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char* pRet = new char[mppOptions[n]->size+1];
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SANE_Status nStatus = ControlOption( n, SANE_ACTION_GET_VALUE, pRet );
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if( nStatus == SANE_STATUS_GOOD )
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{
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bSuccess = sal_True;
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rRet = pRet;
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}
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delete [] pRet;
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return bSuccess;
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}
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sal_Bool Sane::GetOptionValue( int n, double& rRet, int nElement )
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{
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sal_Bool bSuccess = sal_False;
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if( ! maHandle || ( mppOptions[n]->type != SANE_TYPE_INT &&
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mppOptions[n]->type != SANE_TYPE_FIXED ) )
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return sal_False;
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SANE_Word* pRet = new SANE_Word[mppOptions[n]->size/sizeof(SANE_Word)];
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SANE_Status nStatus = ControlOption( n, SANE_ACTION_GET_VALUE, pRet );
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if( nStatus == SANE_STATUS_GOOD )
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{
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bSuccess = sal_True;
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if( mppOptions[n]->type == SANE_TYPE_INT )
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rRet = (double)pRet[ nElement ];
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else
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rRet = SANE_UNFIX( pRet[nElement] );
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}
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delete [] pRet;
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return bSuccess;
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}
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sal_Bool Sane::GetOptionValue( int n, double* pSet )
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{
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if( ! maHandle || ! ( mppOptions[n]->type == SANE_TYPE_FIXED ||
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mppOptions[n]->type == SANE_TYPE_INT ) )
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return sal_False;
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SANE_Word* pFixedSet = new SANE_Word[mppOptions[n]->size/sizeof(SANE_Word)];
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SANE_Status nStatus = ControlOption( n, SANE_ACTION_GET_VALUE, pFixedSet );
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if( nStatus != SANE_STATUS_GOOD )
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{
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delete [] pFixedSet;
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return sal_False;
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}
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for( size_t i = 0; i <mppOptions[n]->size/sizeof(SANE_Word); i++ )
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{
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if( mppOptions[n]->type == SANE_TYPE_FIXED )
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pSet[i] = SANE_UNFIX( pFixedSet[i] );
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else
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pSet[i] = (double) pFixedSet[i];
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}
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delete [] pFixedSet;
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return sal_True;
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}
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sal_Bool Sane::SetOptionValue( int n, sal_Bool bSet )
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{
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if( ! maHandle || mppOptions[n]->type != SANE_TYPE_BOOL )
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return sal_False;
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SANE_Word nRet = bSet ? SANE_TRUE : SANE_FALSE;
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SANE_Status nStatus = ControlOption( n, SANE_ACTION_SET_VALUE, &nRet );
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if( nStatus != SANE_STATUS_GOOD )
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return sal_False;
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return sal_True;
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}
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sal_Bool Sane::SetOptionValue( int n, const String& rSet )
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{
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if( ! maHandle || mppOptions[n]->type != SANE_TYPE_STRING )
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return sal_False;
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rtl::OString aSet(rtl::OUStringToOString(rSet, osl_getThreadTextEncoding()));
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SANE_Status nStatus = ControlOption( n, SANE_ACTION_SET_VALUE, (void*)aSet.getStr() );
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if( nStatus != SANE_STATUS_GOOD )
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return sal_False;
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return sal_True;
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}
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sal_Bool Sane::SetOptionValue( int n, double fSet, int nElement )
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{
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sal_Bool bSuccess = sal_False;
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if( ! maHandle || ( mppOptions[n]->type != SANE_TYPE_INT &&
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mppOptions[n]->type != SANE_TYPE_FIXED ) )
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return sal_False;
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SANE_Status nStatus;
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if( mppOptions[n]->size/sizeof(SANE_Word) > 1 )
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{
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SANE_Word* pSet = new SANE_Word[mppOptions[n]->size/sizeof(SANE_Word)];
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nStatus = ControlOption( n, SANE_ACTION_GET_VALUE, pSet );
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if( nStatus == SANE_STATUS_GOOD )
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{
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pSet[nElement] = mppOptions[n]->type == SANE_TYPE_INT ?
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(SANE_Word)fSet : SANE_FIX( fSet );
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nStatus = ControlOption( n, SANE_ACTION_SET_VALUE, pSet );
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}
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delete [] pSet;
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}
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else
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{
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SANE_Word nSetTo =
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mppOptions[n]->type == SANE_TYPE_INT ?
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(SANE_Word)fSet : SANE_FIX( fSet );
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nStatus = ControlOption( n, SANE_ACTION_SET_VALUE, &nSetTo );
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if( nStatus == SANE_STATUS_GOOD )
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bSuccess = sal_True;
|
|
}
|
|
return bSuccess;
|
|
}
|
|
|
|
sal_Bool Sane::SetOptionValue( int n, double* pSet )
|
|
{
|
|
if( ! maHandle || ( mppOptions[n]->type != SANE_TYPE_INT &&
|
|
mppOptions[n]->type != SANE_TYPE_FIXED ) )
|
|
return sal_False;
|
|
SANE_Word* pFixedSet = new SANE_Word[mppOptions[n]->size/sizeof(SANE_Word)];
|
|
for( size_t i = 0; i < mppOptions[n]->size/sizeof(SANE_Word); i++ )
|
|
{
|
|
if( mppOptions[n]->type == SANE_TYPE_FIXED )
|
|
pFixedSet[i] = SANE_FIX( pSet[i] );
|
|
else
|
|
pFixedSet[i] = (SANE_Word)pSet[i];
|
|
}
|
|
SANE_Status nStatus = ControlOption( n, SANE_ACTION_SET_VALUE, pFixedSet );
|
|
delete [] pFixedSet;
|
|
if( nStatus != SANE_STATUS_GOOD )
|
|
return sal_False;
|
|
return sal_True;
|
|
}
|
|
|
|
enum FrameStyleType {
|
|
FrameStyle_BW, FrameStyle_Gray, FrameStyle_RGB, FrameStyle_Separated
|
|
};
|
|
|
|
#define BYTE_BUFFER_SIZE 32768
|
|
|
|
static inline sal_uInt8 _ReadValue( FILE* fp, int depth )
|
|
{
|
|
if( depth == 16 )
|
|
{
|
|
sal_uInt16 nWord;
|
|
// data always come in native byte order !
|
|
// 16 bits is not really supported by backends as of now
|
|
// e.g. UMAX Astra 1200S delivers 16 bit but in BIGENDIAN
|
|
// against SANE documentation (xscanimage gets the same result
|
|
// as we do
|
|
size_t items_read = fread( &nWord, 1, 2, fp );
|
|
|
|
if (items_read != 2)
|
|
{
|
|
SAL_WARN( "extensions.scanner", "short read, abandoning" );
|
|
return 0;
|
|
}
|
|
|
|
return (sal_uInt8)( nWord / 256 );
|
|
}
|
|
sal_uInt8 nByte;
|
|
size_t items_read = fread( &nByte, 1, 1, fp );
|
|
if (items_read != 1)
|
|
{
|
|
SAL_WARN( "extensions.scanner", "short read, abandoning" );
|
|
return 0;
|
|
}
|
|
return nByte;
|
|
}
|
|
|
|
sal_Bool Sane::CheckConsistency( const char* pMes, sal_Bool bInit )
|
|
{
|
|
static const SANE_Option_Descriptor** pDescArray = NULL;
|
|
static const SANE_Option_Descriptor* pZero = NULL;
|
|
|
|
if( bInit )
|
|
{
|
|
pDescArray = mppOptions;
|
|
if( mppOptions )
|
|
pZero = mppOptions[0];
|
|
return sal_True;
|
|
}
|
|
|
|
sal_Bool bConsistent = sal_True;
|
|
|
|
if( pDescArray != mppOptions )
|
|
bConsistent = sal_False;
|
|
if( pZero != mppOptions[0] )
|
|
bConsistent = sal_False;
|
|
|
|
if( ! bConsistent )
|
|
dbg_msg( "Sane is not consistent. (%s)\n", pMes );
|
|
|
|
return bConsistent;
|
|
}
|
|
|
|
sal_Bool Sane::Start( BitmapTransporter& rBitmap )
|
|
{
|
|
int nStream = 0, nLine = 0, i = 0;
|
|
SANE_Parameters aParams;
|
|
FrameStyleType eType = FrameStyle_Gray;
|
|
sal_Bool bSuccess = sal_True;
|
|
sal_Bool bWidthSet = sal_False;
|
|
|
|
if( ! maHandle )
|
|
return sal_False;
|
|
|
|
int nWidthMM = 0;
|
|
int nHeightMM = 0;
|
|
double fTLx, fTLy, fBRx, fBRy, fResl = 0.0;
|
|
int nOption;
|
|
if( ( nOption = GetOptionByName( "tl-x" ) ) != -1 &&
|
|
GetOptionValue( nOption, fTLx, 0 ) &&
|
|
GetOptionUnit( nOption ) == SANE_UNIT_MM )
|
|
{
|
|
if( ( nOption = GetOptionByName( "br-x" ) ) != -1 &&
|
|
GetOptionValue( nOption, fBRx, 0 ) &&
|
|
GetOptionUnit( nOption ) == SANE_UNIT_MM )
|
|
{
|
|
nWidthMM = (int)fabs(fBRx - fTLx);
|
|
}
|
|
}
|
|
if( ( nOption = GetOptionByName( "tl-y" ) ) != -1 &&
|
|
GetOptionValue( nOption, fTLy, 0 ) &&
|
|
GetOptionUnit( nOption ) == SANE_UNIT_MM )
|
|
{
|
|
if( ( nOption = GetOptionByName( "br-y" ) ) != -1 &&
|
|
GetOptionValue( nOption, fBRy, 0 ) &&
|
|
GetOptionUnit( nOption ) == SANE_UNIT_MM )
|
|
{
|
|
nHeightMM = (int)fabs(fBRy - fTLy);
|
|
}
|
|
}
|
|
if( ( nOption = GetOptionByName( "resolution" ) ) != -1 )
|
|
GetOptionValue( nOption, fResl );
|
|
|
|
sal_uInt8* pBuffer = NULL;
|
|
|
|
SANE_Status nStatus = SANE_STATUS_GOOD;
|
|
|
|
rBitmap.lock();
|
|
SvMemoryStream& aConverter = rBitmap.getStream();
|
|
aConverter.Seek( 0 );
|
|
aConverter.SetNumberFormatInt( NUMBERFORMAT_INT_LITTLEENDIAN );
|
|
|
|
// write bitmap stream header
|
|
aConverter << 'B' << 'M';
|
|
aConverter << (sal_uInt32) 0;
|
|
aConverter << (sal_uInt32) 0;
|
|
aConverter << (sal_uInt32) 60;
|
|
|
|
// write BITMAPINFOHEADER
|
|
aConverter << (sal_uInt32)40;
|
|
aConverter << (sal_uInt32)0; // fill in width later
|
|
aConverter << (sal_uInt32)0; // fill in height later
|
|
aConverter << (sal_uInt16)1;
|
|
// create header for 24 bits
|
|
// correct later if necessary
|
|
aConverter << (sal_uInt16)24;
|
|
aConverter << (sal_uInt32)0;
|
|
aConverter << (sal_uInt32)0;
|
|
aConverter << (sal_uInt32)0;
|
|
aConverter << (sal_uInt32)0;
|
|
aConverter << (sal_uInt32)0;
|
|
aConverter << (sal_uInt32)0;
|
|
|
|
for( nStream=0; nStream < 3 && bSuccess ; nStream++ )
|
|
{
|
|
nStatus = p_start( maHandle );
|
|
DUMP_STATE( nStatus, "sane_start" );
|
|
CheckConsistency( "sane_start" );
|
|
if( nStatus == SANE_STATUS_GOOD )
|
|
{
|
|
nStatus = p_get_parameters( maHandle, &aParams );
|
|
DUMP_STATE( nStatus, "sane_get_parameters" );
|
|
CheckConsistency( "sane_get_parameters" );
|
|
if (nStatus != SANE_STATUS_GOOD || aParams.bytes_per_line == 0)
|
|
{
|
|
bSuccess = sal_False;
|
|
break;
|
|
}
|
|
#if (OSL_DEBUG_LEVEL > 1) || defined DBG_UTIL
|
|
const char* ppFormats[] = { "SANE_FRAME_GRAY", "SANE_FRAME_RGB",
|
|
"SANE_FRAME_RED", "SANE_FRAME_GREEN",
|
|
"SANE_FRAME_BLUE", "Unknown !!!" };
|
|
fprintf( stderr, "Parameters for frame %d:\n", nStream );
|
|
if( aParams.format < 0 || aParams.format > 4 )
|
|
aParams.format = (SANE_Frame)5;
|
|
fprintf( stderr, "format: %s\n", ppFormats[ (int)aParams.format ] );
|
|
fprintf( stderr, "last_frame: %s\n", aParams.last_frame ? "TRUE" : "FALSE" );
|
|
fprintf( stderr, "depth: %d\n", (int)aParams.depth );
|
|
fprintf( stderr, "pixels_per_line: %d\n", (int)aParams.pixels_per_line );
|
|
fprintf( stderr, "bytes_per_line: %d\n", (int)aParams.bytes_per_line );
|
|
#endif
|
|
if( ! pBuffer )
|
|
{
|
|
pBuffer = new sal_uInt8[ BYTE_BUFFER_SIZE < 4*aParams.bytes_per_line ? 4*aParams.bytes_per_line : BYTE_BUFFER_SIZE ];
|
|
}
|
|
|
|
if( aParams.last_frame )
|
|
nStream=3;
|
|
|
|
switch( aParams.format )
|
|
{
|
|
case SANE_FRAME_GRAY:
|
|
eType = FrameStyle_Gray;
|
|
if( aParams.depth == 1 )
|
|
eType = FrameStyle_BW;
|
|
break;
|
|
case SANE_FRAME_RGB:
|
|
eType = FrameStyle_RGB;
|
|
break;
|
|
case SANE_FRAME_RED:
|
|
case SANE_FRAME_GREEN:
|
|
case SANE_FRAME_BLUE:
|
|
eType = FrameStyle_Separated;
|
|
break;
|
|
default:
|
|
fprintf( stderr, "Warning: unknown frame style !!!\n" );
|
|
}
|
|
|
|
sal_Bool bSynchronousRead = sal_True;
|
|
|
|
// should be fail safe, but ... ??
|
|
nStatus = p_set_io_mode( maHandle, SANE_FALSE );
|
|
CheckConsistency( "sane_set_io_mode" );
|
|
if( nStatus != SANE_STATUS_GOOD )
|
|
{
|
|
bSynchronousRead = sal_False;
|
|
nStatus = p_set_io_mode( maHandle, SANE_TRUE );
|
|
CheckConsistency( "sane_set_io_mode" );
|
|
#if (OSL_DEBUG_LEVEL > 1) || defined DBG_UTIL
|
|
if( nStatus != SANE_STATUS_GOOD )
|
|
// what ?!?
|
|
fprintf( stderr, "Sane::Start: driver is confused\n" );
|
|
#endif
|
|
}
|
|
|
|
SANE_Int nLen=0;
|
|
SANE_Int fd = 0;
|
|
|
|
if( ! bSynchronousRead )
|
|
{
|
|
nStatus = p_get_select_fd( maHandle, &fd );
|
|
DUMP_STATE( nStatus, "sane_get_select_fd" );
|
|
CheckConsistency( "sane_get_select_fd" );
|
|
if( nStatus != SANE_STATUS_GOOD )
|
|
bSynchronousRead = sal_True;
|
|
}
|
|
FILE* pFrame = tmpfile();
|
|
if( ! pFrame )
|
|
{
|
|
bSuccess = sal_False;
|
|
break;
|
|
}
|
|
do {
|
|
if( ! bSynchronousRead )
|
|
{
|
|
fd_set fdset;
|
|
struct timeval tv;
|
|
|
|
FD_ZERO( &fdset );
|
|
FD_SET( (int)fd, &fdset );
|
|
tv.tv_sec = 5;
|
|
tv.tv_usec = 0;
|
|
if( select( fd+1, &fdset, NULL, NULL, &tv ) == 0 )
|
|
fprintf( stderr, "Timout on sane_read descriptor\n" );
|
|
}
|
|
nLen = 0;
|
|
nStatus = p_read( maHandle, pBuffer, BYTE_BUFFER_SIZE, &nLen );
|
|
CheckConsistency( "sane_read" );
|
|
if( nLen && ( nStatus == SANE_STATUS_GOOD ||
|
|
nStatus == SANE_STATUS_EOF ) )
|
|
{
|
|
bSuccess = (static_cast<size_t>(nLen) == fwrite( pBuffer, 1, nLen, pFrame ));
|
|
if (!bSuccess)
|
|
break;
|
|
}
|
|
else
|
|
DUMP_STATE( nStatus, "sane_read" );
|
|
} while( nStatus == SANE_STATUS_GOOD );
|
|
if (nStatus != SANE_STATUS_EOF || !bSuccess)
|
|
{
|
|
fclose( pFrame );
|
|
bSuccess = sal_False;
|
|
break;
|
|
}
|
|
|
|
int nFrameLength = ftell( pFrame );
|
|
fseek( pFrame, 0, SEEK_SET );
|
|
sal_uInt32 nWidth = (sal_uInt32) aParams.pixels_per_line;
|
|
sal_uInt32 nHeight = (sal_uInt32) (nFrameLength / aParams.bytes_per_line);
|
|
if( ! bWidthSet )
|
|
{
|
|
if( ! fResl )
|
|
fResl = 300; // if all else fails that's a good guess
|
|
if( ! nWidthMM )
|
|
nWidthMM = (int)(((double)nWidth / fResl) * 25.4);
|
|
if( ! nHeightMM )
|
|
nHeightMM = (int)(((double)nHeight / fResl) * 25.4);
|
|
#if OSL_DEBUG_LEVEL > 1
|
|
fprintf( stderr, "set dimensions to (%d, %d) Pixel, (%d, %d) mm, resolution is %lg\n", (int)nWidth, (int)nHeight, (int)nWidthMM, (int)nHeightMM, fResl );
|
|
#endif
|
|
|
|
aConverter.Seek( 18 );
|
|
aConverter << (sal_uInt32)nWidth;
|
|
aConverter << (sal_uInt32)nHeight;
|
|
aConverter.Seek( 38 );
|
|
aConverter << (sal_uInt32)(1000*nWidth/nWidthMM);
|
|
aConverter << (sal_uInt32)(1000*nHeight/nHeightMM);
|
|
bWidthSet = sal_True;
|
|
}
|
|
aConverter.Seek(60);
|
|
|
|
if( eType == FrameStyle_BW )
|
|
{
|
|
aConverter.Seek( 10 );
|
|
aConverter << (sal_uInt32)64;
|
|
aConverter.Seek( 28 );
|
|
aConverter << (sal_uInt16) 1;
|
|
aConverter.Seek( 54 );
|
|
// write color table
|
|
aConverter << (sal_uInt16)0xffff;
|
|
aConverter << (sal_uInt8)0xff;
|
|
aConverter << (sal_uInt8)0;
|
|
aConverter << (sal_uInt32)0;
|
|
aConverter.Seek( 64 );
|
|
}
|
|
else if( eType == FrameStyle_Gray )
|
|
{
|
|
aConverter.Seek( 10 );
|
|
aConverter << (sal_uInt32)1084;
|
|
aConverter.Seek( 28 );
|
|
aConverter << (sal_uInt16) 8;
|
|
aConverter.Seek( 54 );
|
|
// write color table
|
|
for( nLine = 0; nLine < 256; nLine++ )
|
|
{
|
|
aConverter << (sal_uInt8)nLine;
|
|
aConverter << (sal_uInt8)nLine;
|
|
aConverter << (sal_uInt8)nLine;
|
|
aConverter << (sal_uInt8)0;
|
|
}
|
|
aConverter.Seek( 1084 );
|
|
}
|
|
|
|
for (nLine = nHeight-1; nLine >= 0; --nLine)
|
|
{
|
|
fseek( pFrame, nLine * aParams.bytes_per_line, SEEK_SET );
|
|
if( eType == FrameStyle_BW ||
|
|
( eType == FrameStyle_Gray && aParams.depth == 8 )
|
|
)
|
|
{
|
|
SANE_Int items_read = fread( pBuffer, 1, aParams.bytes_per_line, pFrame );
|
|
if (items_read != aParams.bytes_per_line)
|
|
{
|
|
SAL_WARN( "extensions.scanner", "short read, padding with zeros" );
|
|
memset(pBuffer + items_read, 0, aParams.bytes_per_line - items_read);
|
|
}
|
|
aConverter.Write( pBuffer, aParams.bytes_per_line );
|
|
}
|
|
else if( eType == FrameStyle_Gray )
|
|
{
|
|
for( i = 0; i < (aParams.pixels_per_line); i++ )
|
|
{
|
|
sal_uInt8 nGray = _ReadValue( pFrame, aParams.depth );
|
|
aConverter << nGray;
|
|
}
|
|
}
|
|
else if( eType == FrameStyle_RGB )
|
|
{
|
|
for( i = 0; i < (aParams.pixels_per_line); i++ )
|
|
{
|
|
sal_uInt8 nRed, nGreen, nBlue;
|
|
nRed = _ReadValue( pFrame, aParams.depth );
|
|
nGreen = _ReadValue( pFrame, aParams.depth );
|
|
nBlue = _ReadValue( pFrame, aParams.depth );
|
|
aConverter << nBlue;
|
|
aConverter << nGreen;
|
|
aConverter << nRed;
|
|
}
|
|
}
|
|
else if( eType == FrameStyle_Separated )
|
|
{
|
|
for( i = 0; i < (aParams.pixels_per_line); i++ )
|
|
{
|
|
sal_uInt8 nValue = _ReadValue( pFrame, aParams.depth );
|
|
switch( aParams.format )
|
|
{
|
|
case SANE_FRAME_RED:
|
|
aConverter.SeekRel( 2 );
|
|
aConverter << nValue;
|
|
break;
|
|
case SANE_FRAME_GREEN:
|
|
aConverter.SeekRel( 1 );
|
|
aConverter << nValue;
|
|
aConverter.SeekRel( 1 );
|
|
break;
|
|
case SANE_FRAME_BLUE:
|
|
aConverter << nValue;
|
|
aConverter.SeekRel( 2 );
|
|
break;
|
|
case SANE_FRAME_GRAY:
|
|
case SANE_FRAME_RGB:
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
int nGap = aConverter.Tell() & 3;
|
|
if( nGap )
|
|
aConverter.SeekRel( 4-nGap );
|
|
}
|
|
fclose( pFrame ); // deletes tmpfile
|
|
if( eType != FrameStyle_Separated )
|
|
break;
|
|
}
|
|
else
|
|
bSuccess = sal_False;
|
|
}
|
|
// get stream length
|
|
aConverter.Seek( STREAM_SEEK_TO_END );
|
|
int nPos = aConverter.Tell();
|
|
|
|
aConverter.Seek( 2 );
|
|
aConverter << (sal_uInt32) nPos+1;
|
|
aConverter.Seek( 0 );
|
|
|
|
rBitmap.unlock();
|
|
|
|
if( bSuccess )
|
|
{
|
|
// only cancel a successful operation
|
|
// sane disrupts memory else
|
|
p_cancel( maHandle );
|
|
CheckConsistency( "sane_cancel" );
|
|
}
|
|
if( pBuffer )
|
|
delete [] pBuffer;
|
|
|
|
ReloadOptions();
|
|
|
|
|
|
dbg_msg( "Sane::Start returns with %s\n", bSuccess ? "TRUE" : "FALSE" );
|
|
|
|
return bSuccess;
|
|
}
|
|
|
|
int Sane::GetRange( int n, double*& rpDouble )
|
|
{
|
|
if( mppOptions[n]->constraint_type != SANE_CONSTRAINT_RANGE &&
|
|
mppOptions[n]->constraint_type != SANE_CONSTRAINT_WORD_LIST )
|
|
{
|
|
return -1;
|
|
}
|
|
|
|
rpDouble = 0;
|
|
int nItems, i;
|
|
sal_Bool bIsFixed = mppOptions[n]->type == SANE_TYPE_FIXED ? sal_True : sal_False;
|
|
|
|
dbg_msg( "Sane::GetRange of option %s ", mppOptions[n]->name );
|
|
if(mppOptions[n]->constraint_type == SANE_CONSTRAINT_RANGE )
|
|
{
|
|
double fMin, fMax, fQuant;
|
|
if( bIsFixed )
|
|
{
|
|
fMin = SANE_UNFIX( mppOptions[n]->constraint.range->min );
|
|
fMax = SANE_UNFIX( mppOptions[n]->constraint.range->max );
|
|
fQuant = SANE_UNFIX( mppOptions[n]->constraint.range->quant );
|
|
}
|
|
else
|
|
{
|
|
fMin = (double)mppOptions[n]->constraint.range->min;
|
|
fMax = (double)mppOptions[n]->constraint.range->max;
|
|
fQuant = (double)mppOptions[n]->constraint.range->quant;
|
|
}
|
|
if( fQuant != 0.0 )
|
|
{
|
|
dbg_msg( "quantum range [ %lg ; %lg ; %lg ]\n",
|
|
fMin, fQuant, fMax );
|
|
nItems = (int)((fMax - fMin)/fQuant)+1;
|
|
rpDouble = new double[ nItems ];
|
|
double fValue = fMin;
|
|
for( i = 0; i < nItems; i++, fValue += fQuant )
|
|
rpDouble[i] = fValue;
|
|
rpDouble[ nItems-1 ] = fMax;
|
|
return nItems;
|
|
}
|
|
else
|
|
{
|
|
dbg_msg( "normal range [ %lg %lg ]\n",
|
|
fMin, fMax );
|
|
rpDouble = new double[2];
|
|
rpDouble[0] = fMin;
|
|
rpDouble[1] = fMax;
|
|
return 0;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
nItems = mppOptions[n]->constraint.word_list[0];
|
|
rpDouble = new double[nItems];
|
|
for( i=0; i<nItems; i++ )
|
|
{
|
|
rpDouble[i] = bIsFixed ?
|
|
SANE_UNFIX( mppOptions[n]->constraint.word_list[i+1] ) :
|
|
(double)mppOptions[n]->constraint.word_list[i+1];
|
|
}
|
|
dbg_msg( "wordlist [ %lg ... %lg ]\n",
|
|
rpDouble[ 0 ], rpDouble[ nItems-1 ] );
|
|
return nItems;
|
|
}
|
|
}
|
|
|
|
static const char *ppUnits[] = {
|
|
"",
|
|
"[Pixel]",
|
|
"[Bit]",
|
|
"[mm]",
|
|
"[DPI]",
|
|
"[%]",
|
|
"[usec]"
|
|
};
|
|
|
|
String Sane::GetOptionUnitName( int n )
|
|
{
|
|
String aText;
|
|
SANE_Unit nUnit = mppOptions[n]->unit;
|
|
size_t nUnitAsSize = (size_t)nUnit;
|
|
if (nUnitAsSize >= SAL_N_ELEMENTS( ppUnits ))
|
|
aText = rtl::OUString("[unknown units]");
|
|
else
|
|
aText = String( ppUnits[ nUnit ], osl_getThreadTextEncoding() );
|
|
return aText;
|
|
}
|
|
|
|
sal_Bool Sane::ActivateButtonOption( int n )
|
|
{
|
|
SANE_Status nStatus = ControlOption( n, SANE_ACTION_SET_VALUE, NULL );
|
|
if( nStatus != SANE_STATUS_GOOD )
|
|
return sal_False;
|
|
return sal_True;
|
|
}
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|