| 1 | // Copyright (C) 2016 The Qt Company Ltd. |
|---|---|
| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
| 3 | |
| 4 | #ifndef QIMAGEREADER_H |
| 5 | #define QIMAGEREADER_H |
| 6 | |
| 7 | #include <QtGui/qtguiglobal.h> |
| 8 | #include <QtCore/qbytearray.h> |
| 9 | #include <QtCore/qcoreapplication.h> |
| 10 | #include <QtGui/qimage.h> |
| 11 | #include <QtGui/qimageiohandler.h> |
| 12 | |
| 13 | QT_BEGIN_NAMESPACE |
| 14 | |
| 15 | |
| 16 | class QColor; |
| 17 | class QIODevice; |
| 18 | class QRect; |
| 19 | class QSize; |
| 20 | |
| 21 | class QImageReaderPrivate; |
| 22 | class Q_GUI_EXPORT QImageReader |
| 23 | { |
| 24 | Q_DECLARE_TR_FUNCTIONS(QImageReader) |
| 25 | public: |
| 26 | enum ImageReaderError { |
| 27 | UnknownError, |
| 28 | FileNotFoundError, |
| 29 | DeviceError, |
| 30 | UnsupportedFormatError, |
| 31 | InvalidDataError |
| 32 | }; |
| 33 | |
| 34 | QImageReader(); |
| 35 | explicit QImageReader(QIODevice *device, const QByteArray &format = QByteArray()); |
| 36 | explicit QImageReader(const QString &fileName, const QByteArray &format = QByteArray()); |
| 37 | ~QImageReader(); |
| 38 | |
| 39 | void setFormat(const QByteArray &format); |
| 40 | QByteArray format() const; |
| 41 | |
| 42 | void setAutoDetectImageFormat(bool enabled); |
| 43 | bool autoDetectImageFormat() const; |
| 44 | |
| 45 | void setDecideFormatFromContent(bool ignored); |
| 46 | bool decideFormatFromContent() const; |
| 47 | |
| 48 | void setDevice(QIODevice *device); |
| 49 | QIODevice *device() const; |
| 50 | |
| 51 | void setFileName(const QString &fileName); |
| 52 | QString fileName() const; |
| 53 | |
| 54 | QSize size() const; |
| 55 | |
| 56 | QImage::Format imageFormat() const; |
| 57 | |
| 58 | QStringList textKeys() const; |
| 59 | QString text(const QString &key) const; |
| 60 | |
| 61 | void setClipRect(const QRect &rect); |
| 62 | QRect clipRect() const; |
| 63 | |
| 64 | void setScaledSize(const QSize &size); |
| 65 | QSize scaledSize() const; |
| 66 | |
| 67 | void setQuality(int quality); |
| 68 | int quality() const; |
| 69 | |
| 70 | void setScaledClipRect(const QRect &rect); |
| 71 | QRect scaledClipRect() const; |
| 72 | |
| 73 | void setBackgroundColor(const QColor &color); |
| 74 | QColor backgroundColor() const; |
| 75 | |
| 76 | bool supportsAnimation() const; |
| 77 | |
| 78 | QImageIOHandler::Transformations transformation() const; |
| 79 | |
| 80 | void setAutoTransform(bool enabled); |
| 81 | bool autoTransform() const; |
| 82 | |
| 83 | QByteArray subType() const; |
| 84 | QList<QByteArray> supportedSubTypes() const; |
| 85 | |
| 86 | bool canRead() const; |
| 87 | QImage read(); |
| 88 | bool read(QImage *image); |
| 89 | |
| 90 | bool jumpToNextImage(); |
| 91 | bool jumpToImage(int imageNumber); |
| 92 | int loopCount() const; |
| 93 | int imageCount() const; |
| 94 | int nextImageDelay() const; |
| 95 | int currentImageNumber() const; |
| 96 | QRect currentImageRect() const; |
| 97 | |
| 98 | ImageReaderError error() const; |
| 99 | QString errorString() const; |
| 100 | |
| 101 | bool supportsOption(QImageIOHandler::ImageOption option) const; |
| 102 | |
| 103 | static QByteArray imageFormat(const QString &fileName); |
| 104 | static QByteArray imageFormat(QIODevice *device); |
| 105 | static QList<QByteArray> supportedImageFormats(); |
| 106 | static QList<QByteArray> supportedMimeTypes(); |
| 107 | static QList<QByteArray> imageFormatsForMimeType(const QByteArray &mimeType); |
| 108 | static int allocationLimit(); |
| 109 | static void setAllocationLimit(int mbLimit); |
| 110 | |
| 111 | private: |
| 112 | Q_DISABLE_COPY(QImageReader) |
| 113 | QImageReaderPrivate *d; |
| 114 | }; |
| 115 | |
| 116 | QT_END_NAMESPACE |
| 117 | |
| 118 | #endif // QIMAGEREADER_H |
| 119 |