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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QIMAGEREADER_H
#define QIMAGEREADER_H
#include <QtGui/qtguiglobal.h>
#include <QtCore/qbytearray.h>
#include <QtCore/qcoreapplication.h>
#include <QtGui/qimage.h>
#include <QtGui/qimageiohandler.h>
QT_BEGIN_NAMESPACE
class QColor;
class QIODevice;
class QRect;
class QSize;
class QImageReaderPrivate;
class Q_GUI_EXPORT QImageReader
{
Q_DECLARE_TR_FUNCTIONS(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 setDecideFormatFromContent(bool ignored);
bool decideFormatFromContent() 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;
QImageIOHandler::Transformations transformation() const;
void setAutoTransform(bool enabled);
bool autoTransform() const;
QByteArray subType() const;
QList<QByteArray> supportedSubTypes() 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();
static QList<QByteArray> supportedMimeTypes();
static QList<QByteArray> imageFormatsForMimeType(const QByteArray &mimeType);
static int allocationLimit();
static void setAllocationLimit(int mbLimit);
private:
Q_DISABLE_COPY(QImageReader)
QImageReaderPrivate *d;
};
QT_END_NAMESPACE
#endif // QIMAGEREADER_H
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