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| 1 | /**************************************************************************** | - |
| 2 | ** | - |
| 3 | ** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies). | - |
| 4 | ** Contact: http://www.qt-project.org/legal | - |
| 5 | ** | - |
| 6 | ** This file is part of the QtGui module of the Qt Toolkit. | - |
| 7 | ** | - |
| 8 | ** $QT_BEGIN_LICENSE:LGPL$ | - |
| 9 | ** Commercial License Usage | - |
| 10 | ** Licensees holding valid commercial Qt licenses may use this file in | - |
| 11 | ** accordance with the commercial license agreement provided with the | - |
| 12 | ** Software or, alternatively, in accordance with the terms contained in | - |
| 13 | ** a written agreement between you and Digia. For licensing terms and | - |
| 14 | ** conditions see http://qt.digia.com/licensing. For further information | - |
| 15 | ** use the contact form at http://qt.digia.com/contact-us. | - |
| 16 | ** | - |
| 17 | ** GNU Lesser General Public License Usage | - |
| 18 | ** Alternatively, this file may be used under the terms of the GNU Lesser | - |
| 19 | ** General Public License version 2.1 as published by the Free Software | - |
| 20 | ** Foundation and appearing in the file LICENSE.LGPL included in the | - |
| 21 | ** packaging of this file. Please review the following information to | - |
| 22 | ** ensure the GNU Lesser General Public License version 2.1 requirements | - |
| 23 | ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. | - |
| 24 | ** | - |
| 25 | ** In addition, as a special exception, Digia gives you certain additional | - |
| 26 | ** rights. These rights are described in the Digia Qt LGPL Exception | - |
| 27 | ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. | - |
| 28 | ** | - |
| 29 | ** GNU General Public License Usage | - |
| 30 | ** Alternatively, this file may be used under the terms of the GNU | - |
| 31 | ** General Public License version 3.0 as published by the Free Software | - |
| 32 | ** Foundation and appearing in the file LICENSE.GPL included in the | - |
| 33 | ** packaging of this file. Please review the following information to | - |
| 34 | ** ensure the GNU General Public License version 3.0 requirements will be | - |
| 35 | ** met: http://www.gnu.org/copyleft/gpl.html. | - |
| 36 | ** | - |
| 37 | ** | - |
| 38 | ** $QT_END_LICENSE$ | - |
| 39 | ** | - |
| 40 | ****************************************************************************/ | - |
| 41 | | - |
| 42 | #include "qpictureformatplugin.h" | - |
| 43 | #if !defined(QT_NO_LIBRARY) && !defined(QT_NO_PICTURE) | - |
| 44 | #include "qpicture.h" | - |
| 45 | | - |
| 46 | QT_BEGIN_NAMESPACE | - |
| 47 | | - |
| 48 | /*! | - |
| 49 | \obsolete | - |
| 50 | | - |
| 51 | \class QPictureFormatPlugin | - |
| 52 | \brief The QPictureFormatPlugin class provides an abstract base | - |
| 53 | for custom picture format plugins. | - |
| 54 | | - |
| 55 | \ingroup plugins | - |
| 56 | | - |
| 57 | The picture format plugin is a simple plugin interface that makes | - |
| 58 | it easy to create custom picture formats that can be used | - |
| 59 | transparently by applications. | - |
| 60 | | - |
| 61 | Writing an picture format plugin is achieved by subclassing this | - |
| 62 | base class, reimplementing the pure virtual functions | - |
| 63 | loadPicture(), savePicture(), and installIOHandler(), and | - |
| 64 | exporting the class with the Q_PLUGIN_METADATA() macro. | - |
| 65 | | - |
| 66 | The json file containing the metadata should contain one entry | - |
| 67 | with the list of picture formats supported by the plugin: | - |
| 68 | | - |
| 69 | \code | - |
| 70 | { "Keys": [ "mypictureformat" ] } | - |
| 71 | \endcode | - |
| 72 | | - |
| 73 | \sa {How to Create Qt Plugins} | - |
| 74 | */ | - |
| 75 | | - |
| 76 | /*! | - |
| 77 | \fn bool QPictureFormatPlugin::installIOHandler(const QString &format) | - |
| 78 | | - |
| 79 | Installs a QPictureIO picture I/O handler for the picture format \a | - |
| 80 | format. Returns \c true on success. | - |
| 81 | | - |
| 82 | \sa keys() | - |
| 83 | */ | - |
| 84 | | - |
| 85 | | - |
| 86 | /*! | - |
| 87 | Constructs an picture format plugin with the given \a parent. | - |
| 88 | This is invoked automatically by the moc generated code that exports the plugin. | - |
| 89 | */ | - |
| 90 | QPictureFormatPlugin::QPictureFormatPlugin(QObject *parent) | - |
| 91 | : QObject(parent) | - |
| 92 | { | - |
| 93 | } | 0 |
| 94 | | - |
| 95 | /*! | - |
| 96 | Destroys the picture format plugin. | - |
| 97 | | - |
| 98 | You never have to call this explicitly. Qt destroys a plugin | - |
| 99 | automatically when it is no longer used. | - |
| 100 | */ | - |
| 101 | QPictureFormatPlugin::~QPictureFormatPlugin() | - |
| 102 | { | - |
| 103 | } | - |
| 104 | | - |
| 105 | | - |
| 106 | /*! | - |
| 107 | Loads the picture stored in the file called \a fileName, with the | - |
| 108 | given \a format, into *\a picture. Returns true on success; | - |
| 109 | otherwise returns false. | - |
| 110 | | - |
| 111 | \sa savePicture() | - |
| 112 | */ | - |
| 113 | bool QPictureFormatPlugin::loadPicture(const QString &format, const QString &fileName, QPicture *picture) | - |
| 114 | { | - |
| 115 | Q_UNUSED(format) never executed (the execution status of this line is deduced): (void)format; | - |
| 116 | Q_UNUSED(fileName) never executed (the execution status of this line is deduced): (void)fileName; | - |
| 117 | Q_UNUSED(picture) never executed (the execution status of this line is deduced): (void)picture; | - |
| 118 | return false; never executed: return false; | 0 |
| 119 | } | - |
| 120 | | - |
| 121 | /*! | - |
| 122 | Saves the given \a picture into the file called \a fileName, | - |
| 123 | using the specified \a format. Returns true on success; otherwise | - |
| 124 | returns false. | - |
| 125 | | - |
| 126 | \sa loadPicture() | - |
| 127 | */ | - |
| 128 | bool QPictureFormatPlugin::savePicture(const QString &format, const QString &fileName, const QPicture &picture) | - |
| 129 | { | - |
| 130 | Q_UNUSED(format) never executed (the execution status of this line is deduced): (void)format; | - |
| 131 | Q_UNUSED(fileName) never executed (the execution status of this line is deduced): (void)fileName; | - |
| 132 | Q_UNUSED(picture) never executed (the execution status of this line is deduced): (void)picture; | - |
| 133 | return false; never executed: return false; | 0 |
| 134 | } | - |
| 135 | | - |
| 136 | #endif // QT_NO_LIBRARY || QT_NO_PICTURE | - |
| 137 | | - |
| 138 | QT_END_NAMESPACE | - |
| 139 | | - |
| | |