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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#pragma once
#include <sal/config.h>
#include <string_view>
#include <cppuhelper/implbase.hxx>
#include <osl/thread.h>
#include <osl/module.h>
#include <tools/stream.hxx>
#include <tools/link.hxx>
#include <sane/sane.h>
#include <com/sun/star/awt/XBitmap.hpp>
#include <com/sun/star/uno/Sequence.hxx>
using namespace com::sun::star::uno;
class BitmapTransporter: public cppu::WeakImplHelper<css::awt::XBitmap>
{
SvMemoryStream m_aStream;
osl::Mutex m_aProtector;
public:
BitmapTransporter();
virtual ~BitmapTransporter() override;
virtual css::awt::Size SAL_CALL getSize() override;
virtual Sequence< sal_Int8 > SAL_CALL getDIB() override;
virtual Sequence< sal_Int8 > SAL_CALL getMaskDIB() override { return Sequence< sal_Int8 >(); }
// Misc
void lock() { m_aProtector.acquire(); }
void unlock() { m_aProtector.release(); }
SvMemoryStream& getStream() { return m_aStream; }
};
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;
std::unique_ptr<const SANE_Option_Descriptor*[]> mppOptions;
int mnOptions;
int mnDevice;
SANE_Handle maHandle;
Link<Sane&,void> maReloadOptionsLink;
static inline oslGenericFunction
LoadSymbol( const char* );
static void Init();
static void DeInit();
SANE_Status ControlOption( int, SANE_Action, void* );
bool CheckConsistency( const char*, bool bInit = false );
public:
Sane();
~Sane();
static bool IsSane()
{ return pSaneLib != nullptr; }
bool IsOpen() const
{ return maHandle != nullptr; }
static int CountDevices()
{ return nDevices; }
static OUString GetName( int n )
{ return ppDevices[n]->name ? OUString( ppDevices[n]->name, strlen(ppDevices[n]->name), osl_getThreadTextEncoding() ) : OUString(); }
static OUString GetVendor( int n )
{ return ppDevices[n]->vendor ? OUString( ppDevices[n]->vendor, strlen(ppDevices[n]->vendor), osl_getThreadTextEncoding() ) : OUString(); }
static OUString GetModel( int n )
{ return ppDevices[n]->model ? OUString( ppDevices[n]->model, strlen(ppDevices[n]->model), osl_getThreadTextEncoding() ) : OUString(); }
static OUString GetType( int n )
{ return ppDevices[n]->type ? OUString( ppDevices[n]->type, strlen(ppDevices[n]->type), osl_getThreadTextEncoding() ) : OUString(); }
OUString GetOptionName( int n )
{ return mppOptions[n]->name ? OUString( mppOptions[n]->name, strlen(mppOptions[n]->name), osl_getThreadTextEncoding() ) : OUString(); }
OUString GetOptionTitle( int n )
{ return mppOptions[n]->title ? OUString( mppOptions[n]->title, strlen(mppOptions[n]->title), osl_getThreadTextEncoding() ) : OUString(); }
SANE_Value_Type GetOptionType( int n )
{ return mppOptions[n]->type; }
SANE_Unit GetOptionUnit( int n )
{ return mppOptions[n]->unit; }
OUString 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_cast<const char**>(mppOptions[n]->constraint.string_list); }
int GetRange( int, std::unique_ptr<double[]>& );
inline int GetOptionElements( int n );
int GetOptionByName( const char* );
bool GetOptionValue( int, bool& );
bool GetOptionValue( int, OString& );
bool GetOptionValue( int, double&, int nElement = 0 );
bool GetOptionValue( int, double* );
void SetOptionValue( int, bool );
void SetOptionValue( int, std::u16string_view );
void SetOptionValue( int, double, int nElement = 0 );
void SetOptionValue( int, double const * );
bool ActivateButtonOption( int );
int CountOptions() { return mnOptions; }
int GetDeviceNumber() const { return mnDevice; }
bool Open( const char* );
bool Open( int );
void Close();
void ReloadDevices();
void ReloadOptions();
bool Start( BitmapTransporter& );
inline Link<Sane&,void> SetReloadOptionsHdl( const Link<Sane&,void>& 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&,void> Sane::SetReloadOptionsHdl( const Link<Sane&,void>& rLink )
{
Link<Sane&,void> aRet = maReloadOptionsLink;
maReloadOptionsLink = rLink;
return aRet;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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