This file is indexed.

/usr/include/zbar/Processor.h is in libzbar-dev 0.10+doc-7build2.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
//------------------------------------------------------------------------
//  Copyright 2007-2009 (c) Jeff Brown <spadix@users.sourceforge.net>
//
//  This file is part of the ZBar Bar Code Reader.
//
//  The ZBar Bar Code Reader is free software; you can redistribute it
//  and/or modify it under the terms of the GNU Lesser Public License as
//  published by the Free Software Foundation; either version 2.1 of
//  the License, or (at your option) any later version.
//
//  The ZBar Bar Code Reader is distributed in the hope that it will be
//  useful, but WITHOUT ANY WARRANTY; without even the implied warranty
//  of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//  GNU Lesser Public License for more details.
//
//  You should have received a copy of the GNU Lesser Public License
//  along with the ZBar Bar Code Reader; if not, write to the Free
//  Software Foundation, Inc., 51 Franklin St, Fifth Floor,
//  Boston, MA  02110-1301  USA
//
//  http://sourceforge.net/projects/zbar
//------------------------------------------------------------------------
#ifndef _ZBAR_PROCESSOR_H_
#define _ZBAR_PROCESSOR_H_

/// @file
/// Processor C++ wrapper

#ifndef _ZBAR_H_
# error "include zbar.h in your application, **not** zbar/Processor.h"
#endif

#include "Exception.h"
#include "Image.h"

namespace zbar {

/// high-level self-contained image processor.
/// processes video and images for barcodes, optionally displaying
/// images to a library owned output window

class Processor {
 public:
    /// value to pass for no timeout.
    static const int FOREVER = -1;

    /// constructor.
    Processor (bool threaded = true,
               const char *video_device = "",
               bool enable_display = true)
    {
        _processor = zbar_processor_create(threaded);
        if(!_processor)
            throw std::bad_alloc();
        init(video_device, enable_display);
    }

    ~Processor ()
    {
        zbar_processor_destroy(_processor);
    }

    /// cast to C processor object.
    operator zbar_processor_t* ()
    {
        return(_processor);
    }

    /// opens a video input device and/or prepares to display output.
    /// see zbar_processor_init()
    void init (const char *video_device = "",
               bool enable_display = true)
    {
        if(zbar_processor_init(_processor, video_device, enable_display))
            throw_exception(_processor);
    }

    /// setup result handler callback.
    /// see zbar_processor_set_data_handler()
    void set_handler (Image::Handler& handler)
    {
        zbar_processor_set_data_handler(_processor, handler, &handler);
    }

    /// set config for indicated symbology (0 for all) to specified value.
    /// @see zbar_processor_set_config()
    /// @since 0.4
    int set_config (zbar_symbol_type_t symbology,
                    zbar_config_t config,
                    int value)
    {
        return(zbar_processor_set_config(_processor, symbology,
                                          config, value));
    }

    /// set config parsed from configuration string.
    /// @see zbar_processor_parse_config()
    /// @since 0.4
    int set_config (std::string cfgstr)
    {
        return(zbar_processor_parse_config(_processor, cfgstr.c_str()));
    }

    /// retrieve the current state of the ouput window.
    /// see zbar_processor_is_visible()
    bool is_visible ()
    {
        int rc = zbar_processor_is_visible(_processor);
        if(rc < 0)
            throw_exception(_processor);
        return(rc != 0);
    }

    /// show or hide the display window owned by the library.
    /// see zbar_processor_set_visible()
    void set_visible (bool visible = true)
    {
        if(zbar_processor_set_visible(_processor, visible) < 0)
            throw_exception(_processor);
    }

    /// control the processor in free running video mode.
    /// see zbar_processor_set_active()
    void set_active (bool active = true)
    {
        if(zbar_processor_set_active(_processor, active) < 0)
            throw_exception(_processor);
    }

    /// retrieve decode results for last scanned image.
    /// @see zbar_processor_get_results()
    /// @since 0.10
    const SymbolSet get_results () const {
        return(SymbolSet(zbar_processor_get_results(_processor)));
    }

    /// wait for input to the display window from the user.
    /// see zbar_processor_user_wait()
    int user_wait (int timeout = FOREVER)
    {
        int rc = zbar_processor_user_wait(_processor, timeout);
        if(rc < 0)
            throw_exception(_processor);
        return(rc);
    }

    /// process from the video stream until a result is available.
    /// see zbar_process_one()
    void process_one (int timeout = FOREVER)
    {
        if(zbar_process_one(_processor, timeout) < 0)
            throw_exception(_processor);
    }

    /// process the provided image for barcodes.
    /// see zbar_process_image()
    void process_image (Image& image)
    {
        if(zbar_process_image(_processor, image) < 0)
            throw_exception(_processor);
    }

    /// process the provided image for barcodes.
    /// see zbar_process_image()
    Processor& operator<< (Image& image)
    {
        process_image(image);
        return(*this);
    }

    /// force specific input and output formats for debug/testing.
    /// see zbar_processor_force_format()
    void force_format (unsigned long input_format,
                       unsigned long output_format)
    {
        if(zbar_processor_force_format(_processor, input_format,
                                        output_format))
            throw_exception(_processor);
    }

    /// force specific input and output formats for debug/testing.
    /// see zbar_processor_force_format()
    void force_format (std::string& input_format,
                       std::string& output_format)
    {
        unsigned long ifourcc = *(unsigned long*)input_format.c_str();
        unsigned long ofourcc = *(unsigned long*)output_format.c_str();
        if(zbar_processor_force_format(_processor, ifourcc, ofourcc))
            throw_exception(_processor);
    }

    /// request a preferred size for the video image from the device.
    /// see zbar_processor_request_size()
    /// @since 0.6
    void request_size (int width, int height)
    {
        zbar_processor_request_size(_processor, width, height);
    }

    /// request a preferred driver interface version for debug/testing.
    /// see zbar_processor_request_interface()
    /// @since 0.6
    void request_interface (int version)
    {
        zbar_processor_request_interface(_processor, version);
    }

    /// request a preferred I/O mode for debug/testing.
    /// see zbar_processor_request_iomode()
    /// @since 0.7
    void request_iomode (int iomode)
    {
        if(zbar_processor_request_iomode(_processor, iomode))
            throw_exception(_processor);
    }

 private:
    zbar_processor_t *_processor;
};

}

#endif