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-/****************************************************************************
-**
-** Copyright (C) 2010 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.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** Commercial Usage
-** Licensees holding valid Qt Commercial licenses may use this file in
-** accordance with the Qt Commercial License Agreement provided with the
-** Software or, alternatively, in accordance with the terms contained in
-** a written agreement between you and Nokia.
-**
-** 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.
-**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU
-** General Public License version 3.0 as published by the Free Software
-** Foundation and appearing in the file LICENSE.GPL included in the
-** packaging of this file. Please review the following information to
-** ensure the GNU General Public License version 3.0 requirements will be
-** met: http://www.gnu.org/copyleft/gpl.html.
-**
-** If you have questions regarding the use of this file, please contact
-** Nokia at qt-info@nokia.com.
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#ifndef QIMAGEIOHANDLER_H
-#define QIMAGEIOHANDLER_H
-
-#include <QtCore/qplugin.h>
-#include <QtCore/qfactoryinterface.h>
-#include <QtCore/qscopedpointer.h>
-
-QT_BEGIN_HEADER
-
-QT_BEGIN_NAMESPACE
-
-QT_MODULE(Gui)
-
-class QImage;
-class QRect;
-class QSize;
-class QVariant;
-
-class QImageIOHandlerPrivate;
-class Q_GUI_EXPORT QImageIOHandler
-{
- Q_DECLARE_PRIVATE(QImageIOHandler)
-public:
- QImageIOHandler();
- virtual ~QImageIOHandler();
-
- void setDevice(QIODevice *device);
- QIODevice *device() const;
-
- void setFormat(const QByteArray &format);
- void setFormat(const QByteArray &format) const;
- QByteArray format() const;
-
- virtual QByteArray name() const;
-
- virtual bool canRead() const = 0;
- virtual bool read(QImage *image) = 0;
- virtual bool write(const QImage &image);
-
- enum ImageOption {
- Size,
- ClipRect,
- Description,
- ScaledClipRect,
- ScaledSize,
- CompressionRatio,
- Gamma,
- Quality,
- Name,
- SubType,
- IncrementalReading,
- Endianness,
- Animation,
- BackgroundColor,
- ImageFormat
- };
- virtual QVariant option(ImageOption option) const;
- virtual void setOption(ImageOption option, const QVariant &value);
- virtual bool supportsOption(ImageOption option) const;
-
- // incremental loading
- virtual bool jumpToNextImage();
- virtual bool jumpToImage(int imageNumber);
- virtual int loopCount() const;
- virtual int imageCount() const;
- virtual int nextImageDelay() const;
- virtual int currentImageNumber() const;
- virtual QRect currentImageRect() const;
-
-protected:
- QImageIOHandler(QImageIOHandlerPrivate &dd);
- QScopedPointer<QImageIOHandlerPrivate> d_ptr;
-private:
- Q_DISABLE_COPY(QImageIOHandler)
-};
-
-struct Q_GUI_EXPORT QImageIOHandlerFactoryInterface : public QFactoryInterface
-{
- virtual QImageIOHandler *create(QIODevice *device, const QByteArray &format = QByteArray()) const = 0;
-};
-
-#define QImageIOHandlerFactoryInterface_iid "com.trolltech.Qt.QImageIOHandlerFactoryInterface"
-Q_DECLARE_INTERFACE(QImageIOHandlerFactoryInterface, QImageIOHandlerFactoryInterface_iid)
-
-class Q_GUI_EXPORT QImageIOPlugin : public QObject, public QImageIOHandlerFactoryInterface
-{
- Q_OBJECT
- Q_INTERFACES(QImageIOHandlerFactoryInterface:QFactoryInterface)
-public:
- explicit QImageIOPlugin(QObject *parent = 0);
- virtual ~QImageIOPlugin();
-
- enum Capability {
- CanRead = 0x1,
- CanWrite = 0x2,
- CanReadIncremental = 0x4
- };
- Q_DECLARE_FLAGS(Capabilities, Capability)
-
- virtual Capabilities capabilities(QIODevice *device, const QByteArray &format) const = 0;
- virtual QStringList keys() const = 0;
- virtual QImageIOHandler *create(QIODevice *device, const QByteArray &format = QByteArray()) const = 0;
-};
-
-Q_DECLARE_OPERATORS_FOR_FLAGS(QImageIOPlugin::Capabilities)
-
-QT_END_NAMESPACE
-
-QT_END_HEADER
-
-#endif // QIMAGEIOHANDLER_H