diff -r 000000000000 -r 1918ee327afb src/gui/image/qpictureformatplugin.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/gui/image/qpictureformatplugin.cpp Mon Jan 11 14:00:40 2010 +0000 @@ -0,0 +1,139 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtGui module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qpictureformatplugin.h" +#if !defined(QT_NO_LIBRARY) && !defined(QT_NO_PICTURE) +#include "qpicture.h" + +QT_BEGIN_NAMESPACE + +/*! + \obsolete + + \class QPictureFormatPlugin + \brief The QPictureFormatPlugin class provides an abstract base + for custom picture format plugins. + + \ingroup plugins + + The picture format plugin is a simple plugin interface that makes + it easy to create custom picture formats that can be used + transparently by applications. + + Writing an picture format plugin is achieved by subclassing this + base class, reimplementing the pure virtual functions keys(), + loadPicture(), savePicture(), and installIOHandler(), and + exporting the class with the Q_EXPORT_PLUGIN2() macro. + + \sa {How to Create Qt Plugins} +*/ + +/*! + \fn QStringList QPictureFormatPlugin::keys() const + + Returns the list of picture formats this plugin supports. + + \sa installIOHandler() +*/ + +/*! + \fn bool QPictureFormatPlugin::installIOHandler(const QString &format) + + Installs a QPictureIO picture I/O handler for the picture format \a + format. + + \sa keys() +*/ + + +/*! + Constructs an picture format plugin with the given \a parent. + This is invoked automatically by the Q_EXPORT_PLUGIN2() macro. +*/ +QPictureFormatPlugin::QPictureFormatPlugin(QObject *parent) + : QObject(parent) +{ +} + +/*! + Destroys the picture format plugin. + + You never have to call this explicitly. Qt destroys a plugin + automatically when it is no longer used. +*/ +QPictureFormatPlugin::~QPictureFormatPlugin() +{ +} + + +/*! + Loads the picture stored in the file called \a fileName, with the + given \a format, into *\a picture. Returns true on success; + otherwise returns false. + + \sa savePicture() +*/ +bool QPictureFormatPlugin::loadPicture(const QString &format, const QString &fileName, QPicture *picture) +{ + Q_UNUSED(format) + Q_UNUSED(fileName) + Q_UNUSED(picture) + return false; +} + +/*! + Saves the given \a picture into the file called \a fileName, + using the specified \a format. Returns true on success; otherwise + returns false. + + \sa loadPicture() +*/ +bool QPictureFormatPlugin::savePicture(const QString &format, const QString &fileName, const QPicture &picture) +{ + Q_UNUSED(format) + Q_UNUSED(fileName) + Q_UNUSED(picture) + return false; +} + +#endif // QT_NO_LIBRARY || QT_NO_PICTURE + +QT_END_NAMESPACE