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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 : #ifndef _SANE_HXX
20 : #define _SANE_HXX
21 :
22 : #include <osl/thread.h>
23 : #include <osl/module.h>
24 : #include <tools/string.hxx>
25 : #include <vcl/bitmap.hxx>
26 : #include <sane/sane.h>
27 : #include <scanner.hxx>
28 :
29 : // ---------------------
30 : // - BitmapTransporter -
31 : // ---------------------
32 :
33 : class BitmapTransporter : public OWeakObject, AWT::XBitmap
34 : {
35 : SvMemoryStream m_aStream;
36 : osl::Mutex m_aProtector;
37 :
38 : public:
39 :
40 : BitmapTransporter();
41 : virtual ~BitmapTransporter();
42 :
43 :
44 : // XInterface
45 : virtual ANY SAL_CALL queryInterface( const Type & rType ) throw( RuntimeException );
46 0 : virtual void SAL_CALL acquire() throw() { OWeakObject::acquire(); }
47 0 : virtual void SAL_CALL release() throw() { OWeakObject::release(); }
48 :
49 : virtual AWT::Size SAL_CALL getSize() throw();
50 : virtual SEQ( sal_Int8 ) SAL_CALL getDIB() throw();
51 0 : virtual SEQ( sal_Int8 ) SAL_CALL getMaskDIB() throw() { return SEQ( sal_Int8 )(); }
52 :
53 : // Misc
54 0 : void lock() { m_aProtector.acquire(); }
55 0 : void unlock() { m_aProtector.release(); }
56 0 : SvMemoryStream& getStream() { return m_aStream; }
57 : };
58 :
59 : // --------
60 : // - Sane -
61 : // --------
62 :
63 : class Sane
64 : {
65 : private:
66 : static int nRefCount;
67 : static oslModule pSaneLib;
68 :
69 : static SANE_Status (*p_init)( SANE_Int*,
70 : SANE_Auth_Callback );
71 : static void (*p_exit)();
72 : static SANE_Status (*p_get_devices)( const SANE_Device***,
73 : SANE_Bool );
74 : static SANE_Status (*p_open)( SANE_String_Const, SANE_Handle );
75 : static void (*p_close)( SANE_Handle );
76 : static const SANE_Option_Descriptor* (*p_get_option_descriptor)(
77 : SANE_Handle, SANE_Int );
78 : static SANE_Status (*p_control_option)( SANE_Handle, SANE_Int,
79 : SANE_Action, void*,
80 : SANE_Int* );
81 : static SANE_Status (*p_get_parameters)( SANE_Handle,
82 : SANE_Parameters* );
83 : static SANE_Status (*p_start)( SANE_Handle );
84 : static SANE_Status (*p_read)( SANE_Handle, SANE_Byte*, SANE_Int,
85 : SANE_Int* );
86 : static void (*p_cancel)( SANE_Handle );
87 : static SANE_Status (*p_set_io_mode)( SANE_Handle, SANE_Bool );
88 : static SANE_Status (*p_get_select_fd)( SANE_Handle, SANE_Int* );
89 : static SANE_String_Const (*p_strstatus)( SANE_Status );
90 :
91 : static SANE_Int nVersion;
92 : static SANE_Device** ppDevices;
93 : static int nDevices;
94 :
95 : const SANE_Option_Descriptor** mppOptions;
96 : int mnOptions;
97 : int mnDevice;
98 : SANE_Handle maHandle;
99 :
100 : Link maReloadOptionsLink;
101 :
102 : inline oslGenericFunction
103 : LoadSymbol( const char* );
104 : void Init();
105 : void DeInit();
106 :
107 : SANE_Status ControlOption( int, SANE_Action, void* );
108 :
109 : sal_Bool CheckConsistency( const char*, sal_Bool bInit = sal_False );
110 :
111 : public:
112 : Sane();
113 : ~Sane();
114 :
115 0 : static sal_Bool IsSane()
116 0 : { return pSaneLib ? sal_True : sal_False; }
117 0 : sal_Bool IsOpen()
118 0 : { return maHandle ? sal_True : sal_False; }
119 0 : static int CountDevices()
120 0 : { return nDevices; }
121 0 : static String GetName( int n )
122 0 : { return String( ppDevices[n]->name ? ppDevices[n]->name : "", osl_getThreadTextEncoding() ); }
123 0 : static String GetVendor( int n )
124 0 : { return String( ppDevices[n]->vendor ? ppDevices[n]->vendor : "", osl_getThreadTextEncoding() ); }
125 0 : static String GetModel( int n )
126 0 : { return String( ppDevices[n]->model ? ppDevices[n]->model : "", osl_getThreadTextEncoding() ); }
127 0 : static String GetType( int n )
128 0 : { return String( ppDevices[n]->type ? ppDevices[n]->type : "", osl_getThreadTextEncoding() ); }
129 :
130 0 : String GetOptionName( int n )
131 0 : { return String( mppOptions[n]->name ? (char*)mppOptions[n]->name : "", osl_getThreadTextEncoding() ); }
132 0 : String GetOptionTitle( int n )
133 0 : { return String( mppOptions[n]->title ? (char*)mppOptions[n]->title : "", osl_getThreadTextEncoding() ); }
134 0 : SANE_Value_Type GetOptionType( int n )
135 0 : { return mppOptions[n]->type; }
136 0 : SANE_Unit GetOptionUnit( int n )
137 0 : { return mppOptions[n]->unit; }
138 : String GetOptionUnitName( int n );
139 0 : SANE_Int GetOptionCap( int n )
140 0 : { return mppOptions[n]->cap; }
141 0 : SANE_Constraint_Type GetOptionConstraintType( int n )
142 0 : { return mppOptions[n]->constraint_type; }
143 0 : const char** GetStringConstraint( int n )
144 0 : { return (const char**)mppOptions[n]->constraint.string_list; }
145 : int GetRange( int, double*& );
146 :
147 : inline int GetOptionElements( int n );
148 : int GetOptionByName( const char* );
149 : sal_Bool GetOptionValue( int, sal_Bool& );
150 : sal_Bool GetOptionValue( int, rtl::OString& );
151 : sal_Bool GetOptionValue( int, double&, int nElement = 0 );
152 : sal_Bool GetOptionValue( int, double* );
153 :
154 : sal_Bool SetOptionValue( int, sal_Bool );
155 : sal_Bool SetOptionValue( int, const String& );
156 : sal_Bool SetOptionValue( int, double, int nElement = 0 );
157 : sal_Bool SetOptionValue( int, double* );
158 :
159 : sal_Bool ActivateButtonOption( int );
160 :
161 0 : int CountOptions() { return mnOptions; }
162 0 : int GetDeviceNumber() { return mnDevice; }
163 :
164 : sal_Bool Open( const char* );
165 : sal_Bool Open( int );
166 : void Close();
167 : void ReloadDevices();
168 : void ReloadOptions();
169 :
170 : sal_Bool Start( BitmapTransporter& );
171 :
172 : inline Link SetReloadOptionsHdl( const Link& rLink );
173 : };
174 :
175 0 : inline int Sane::GetOptionElements( int n )
176 : {
177 0 : if( mppOptions[n]->type == SANE_TYPE_FIXED ||
178 0 : mppOptions[n]->type == SANE_TYPE_INT )
179 : {
180 0 : return mppOptions[n]->size/sizeof( SANE_Word );
181 : }
182 0 : return 1;
183 : }
184 :
185 0 : inline Link Sane::SetReloadOptionsHdl( const Link& rLink )
186 : {
187 0 : Link aRet = maReloadOptionsLink;
188 0 : maReloadOptionsLink = rLink;
189 0 : return aRet;
190 : }
191 :
192 : #endif
193 :
194 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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