office-gobmx/extensions/source/scanner/sane.hxx
2011-11-07 12:27:32 +00:00

203 lines
7.7 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
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*
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* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
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************************************************************************/
#ifndef _SANE_HXX
#define _SANE_HXX
#include <osl/thread.h>
#include <osl/module.h>
#include <tools/string.hxx>
#include <vcl/bitmap.hxx>
#include <sane/sane.h>
#include <scanner.hxx>
// ---------------------
// - BitmapTransporter -
// ---------------------
class BitmapTransporter : public OWeakObject, AWT::XBitmap
{
SvMemoryStream m_aStream;
osl::Mutex m_aProtector;
public:
BitmapTransporter();
virtual ~BitmapTransporter();
// XInterface
virtual ANY SAL_CALL queryInterface( const Type & rType ) throw( RuntimeException );
virtual void SAL_CALL acquire() throw() { OWeakObject::acquire(); }
virtual void SAL_CALL release() throw() { OWeakObject::release(); }
virtual AWT::Size SAL_CALL getSize() throw();
virtual SEQ( sal_Int8 ) SAL_CALL getDIB() throw();
virtual SEQ( sal_Int8 ) SAL_CALL getMaskDIB() throw() { return SEQ( sal_Int8 )(); }
// Misc
void lock() { m_aProtector.acquire(); }
void unlock() { m_aProtector.release(); }
SvMemoryStream& getStream() { return m_aStream; }
};
// --------
// - Sane -
// --------
class Sane
{
private:
static int nRefCount;
static oslModule pSaneLib;
static SANE_Status (*p_init)( SANE_Int*,
SANE_Auth_Callback );
static void (*p_exit)();
static SANE_Status (*p_get_devices)( const SANE_Device***,
SANE_Bool );
static SANE_Status (*p_open)( SANE_String_Const, SANE_Handle );
static void (*p_close)( SANE_Handle );
static const SANE_Option_Descriptor* (*p_get_option_descriptor)(
SANE_Handle, SANE_Int );
static SANE_Status (*p_control_option)( SANE_Handle, SANE_Int,
SANE_Action, void*,
SANE_Int* );
static SANE_Status (*p_get_parameters)( SANE_Handle,
SANE_Parameters* );
static SANE_Status (*p_start)( SANE_Handle );
static SANE_Status (*p_read)( SANE_Handle, SANE_Byte*, SANE_Int,
SANE_Int* );
static void (*p_cancel)( SANE_Handle );
static SANE_Status (*p_set_io_mode)( SANE_Handle, SANE_Bool );
static SANE_Status (*p_get_select_fd)( SANE_Handle, SANE_Int* );
static SANE_String_Const (*p_strstatus)( SANE_Status );
static SANE_Int nVersion;
static SANE_Device** ppDevices;
static int nDevices;
const SANE_Option_Descriptor** mppOptions;
int mnOptions;
int mnDevice;
SANE_Handle maHandle;
Link maReloadOptionsLink;
inline oslGenericFunction
LoadSymbol( const char* );
void Init();
void DeInit();
SANE_Status ControlOption( int, SANE_Action, void* );
sal_Bool CheckConsistency( const char*, sal_Bool bInit = sal_False );
public:
Sane();
~Sane();
static sal_Bool IsSane()
{ return pSaneLib ? sal_True : sal_False; }
sal_Bool IsOpen()
{ return maHandle ? sal_True : sal_False; }
static int CountDevices()
{ return nDevices; }
static String GetName( int n )
{ return String( ppDevices[n]->name ? ppDevices[n]->name : "", osl_getThreadTextEncoding() ); }
static String GetVendor( int n )
{ return String( ppDevices[n]->vendor ? ppDevices[n]->vendor : "", osl_getThreadTextEncoding() ); }
static String GetModel( int n )
{ return String( ppDevices[n]->model ? ppDevices[n]->model : "", osl_getThreadTextEncoding() ); }
static String GetType( int n )
{ return String( ppDevices[n]->type ? ppDevices[n]->type : "", osl_getThreadTextEncoding() ); }
String GetOptionName( int n )
{ return String( mppOptions[n]->name ? (char*)mppOptions[n]->name : "", osl_getThreadTextEncoding() ); }
String GetOptionTitle( int n )
{ return String( mppOptions[n]->title ? (char*)mppOptions[n]->title : "", osl_getThreadTextEncoding() ); }
SANE_Value_Type GetOptionType( int n )
{ return mppOptions[n]->type; }
SANE_Unit GetOptionUnit( int n )
{ return mppOptions[n]->unit; }
String GetOptionUnitName( int n );
SANE_Int GetOptionCap( int n )
{ return mppOptions[n]->cap; }
SANE_Constraint_Type GetOptionConstraintType( int n )
{ return mppOptions[n]->constraint_type; }
const char** GetStringConstraint( int n )
{ return (const char**)mppOptions[n]->constraint.string_list; }
int GetRange( int, double*& );
inline int GetOptionElements( int n );
int GetOptionByName( const char* );
sal_Bool GetOptionValue( int, sal_Bool& );
sal_Bool GetOptionValue( int, rtl::OString& );
sal_Bool GetOptionValue( int, double&, int nElement = 0 );
sal_Bool GetOptionValue( int, double* );
sal_Bool SetOptionValue( int, sal_Bool );
sal_Bool SetOptionValue( int, const String& );
sal_Bool SetOptionValue( int, double, int nElement = 0 );
sal_Bool SetOptionValue( int, double* );
sal_Bool ActivateButtonOption( int );
int CountOptions() { return mnOptions; }
int GetDeviceNumber() { return mnDevice; }
sal_Bool Open( const char* );
sal_Bool Open( int );
void Close();
void ReloadDevices();
void ReloadOptions();
sal_Bool Start( BitmapTransporter& );
inline Link SetReloadOptionsHdl( const Link& rLink );
};
inline int Sane::GetOptionElements( int n )
{
if( mppOptions[n]->type == SANE_TYPE_FIXED ||
mppOptions[n]->type == SANE_TYPE_INT )
{
return mppOptions[n]->size/sizeof( SANE_Word );
}
return 1;
}
inline Link Sane::SetReloadOptionsHdl( const Link& rLink )
{
Link aRet = maReloadOptionsLink;
maReloadOptionsLink = rLink;
return aRet;
}
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */