/usr/include/libkface/dataproviders.h is in libkface-dev 4:15.08.2-0ubuntu1.
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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 | /** ===========================================================
* @file
*
* This file is a part of digiKam project
* <a href="http://www.digikam.org">http://www.digikam.org</a>
*
* @date 2013-05-18
* @brief Wrapper class for face recognition
*
* @author Copyright (C) 2013 by Marcel Wiesweg
* <a href="mailto:marcel dot wiesweg at gmx dot de">marcel dot wiesweg at gmx dot de</a>
* @author Copyright (C) 2014 by Gilles Caulier
* <a href="mailto:caulier dot gilles at gmail dot com">caulier dot gilles at gmail dot com</a>
*
* This program is free software; you can redistribute it
* and/or modify it under the terms of the GNU General
* Public License as published by the Free Software Foundation;
* either version 2, or (at your option)
* any later version.
*
* This program 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 General Public License for more details.
*
* ============================================================ */
#ifndef KFACE_DATAPROVIDERS_H
#define KFACE_DATAPROVIDERS_H
// Qt includes
#include <QImage>
#include <QList>
// Local includes
#include "libkface_export.h"
#include "identity.h"
namespace KFaceIface
{
/**
* This class provides access to a list of unspecified entities,
* where for each entry a QImage can be provided.
* Only forward iteration is required.
*/
class KFACE_EXPORT ImageListProvider
{
public:
virtual ~ImageListProvider();
virtual int size() const = 0;
virtual bool atEnd() const = 0;
virtual void proceed(int steps = 1) = 0;
virtual QImage image() = 0;
};
// ----------------------------------------------------------------------------------------
/**
* A wrapper implementation for ImageListProvider if you have a QList of QImages
*/
class KFACE_EXPORT QListImageListProvider : public ImageListProvider
{
public:
QListImageListProvider(const QList<QImage>& lst);
QListImageListProvider();
void reset();
public:
virtual int size() const;
virtual bool atEnd() const;
virtual void proceed(int steps = 1);
virtual QImage image();
public:
QList<QImage> list;
QList<QImage>::const_iterator it;
};
// ----------------------------------------------------------------------------------------
class KFACE_EXPORT EmptyImageListProvider : public ImageListProvider
{
public:
virtual int size() const;
virtual bool atEnd() const;
virtual void proceed(int steps = 1);
virtual QImage image();
};
// ----------------------------------------------------------------------------------------
/**
* A TrainingDataProvider provides a call-back interface
* for the training process to retrieve the necessary information.
* It is not specified, but depends on the backend which of the methods
* in which order and for which identities will be called.
*/
class KFACE_EXPORT TrainingDataProvider
{
public:
virtual ~TrainingDataProvider();
/**
* Provides those images for the given identity that have not yet been
* supplied for training.
* Ownership of the returned object stays with the TrainingDataProvider.
*/
virtual ImageListProvider* newImages(const Identity& identity) = 0;
/**
* Provides all images known for the given identity.
* Ownership of the returned object stays with the TrainingDataProvider.
*/
virtual ImageListProvider* images(const Identity& identity) = 0;
};
} // namespace KFaceIface
#endif // KFACE_DATAPROVIDERS_H
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