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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (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 either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** 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 1.0, 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 are unsure which license is appropriate for your use, please
** contact the sales department at qt-sales@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QIMAGEREADER_H
#define QIMAGEREADER_H
#include <QtCore/qbytearray.h>
#include <QtGui/qimage.h>
#include <QtGui/qimageiohandler.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Gui)
class QColor;
class QIODevice;
class QRect;
class QSize;
class QStringList;
class QImageReaderPrivate;
class Q_GUI_EXPORT QImageReader
{
public:
enum ImageReaderError {
UnknownError,
FileNotFoundError,
DeviceError,
UnsupportedFormatError,
InvalidDataError
};
QImageReader();
explicit QImageReader(QIODevice *device, const QByteArray &format = QByteArray());
explicit QImageReader(const QString &fileName, const QByteArray &format = QByteArray());
~QImageReader();
void setFormat(const QByteArray &format);
QByteArray format() const;
void setAutoDetectImageFormat(bool enabled);
bool autoDetectImageFormat() const;
void setDevice(QIODevice *device);
QIODevice *device() const;
void setFileName(const QString &fileName);
QString fileName() const;
QSize size() const;
QImage::Format imageFormat() const;
QStringList textKeys() const;
QString text(const QString &key) const;
void setClipRect(const QRect &rect);
QRect clipRect() const;
void setScaledSize(const QSize &size);
QSize scaledSize() const;
void setQuality(int quality);
int quality() const;
void setScaledClipRect(const QRect &rect);
QRect scaledClipRect() const;
void setBackgroundColor(const QColor &color);
QColor backgroundColor() const;
bool supportsAnimation() const;
bool canRead() const;
QImage read();
bool read(QImage *image);
bool jumpToNextImage();
bool jumpToImage(int imageNumber);
int loopCount() const;
int imageCount() const;
int nextImageDelay() const;
int currentImageNumber() const;
QRect currentImageRect() const;
ImageReaderError error() const;
QString errorString() const;
bool supportsOption(QImageIOHandler::ImageOption option) const;
static QByteArray imageFormat(const QString &fileName);
static QByteArray imageFormat(QIODevice *device);
static QList<QByteArray> supportedImageFormats();
private:
Q_DISABLE_COPY(QImageReader)
QImageReaderPrivate *d;
};
QT_END_NAMESPACE
QT_END_HEADER
#endif // QIMAGEREADER_H
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