Qt 4.8
qimagewriter.h
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41 
42 #ifndef QIMAGEWRITER_H
43 #define QIMAGEWRITER_H
44 
45 #include <QtCore/qbytearray.h>
46 #include <QtCore/qlist.h>
47 #include <QtGui/qimageiohandler.h>
48 
50 
52 
53 QT_MODULE(Gui)
54 
55 class QIODevice;
56 class QImage;
57 
60 {
61 public:
65  UnsupportedFormatError
66  };
67 
68  QImageWriter();
69  explicit QImageWriter(QIODevice *device, const QByteArray &format);
70  explicit QImageWriter(const QString &fileName, const QByteArray &format = QByteArray());
71  ~QImageWriter();
72 
73  void setFormat(const QByteArray &format);
74  QByteArray format() const;
75 
76  void setDevice(QIODevice *device);
77  QIODevice *device() const;
78 
79  void setFileName(const QString &fileName);
80  QString fileName() const;
81 
82  void setQuality(int quality);
83  int quality() const;
84 
85  void setCompression(int compression);
86  int compression() const;
87 
88  void setGamma(float gamma);
89  float gamma() const;
90 
91  // Obsolete as of 4.1
92  void setDescription(const QString &description);
93  QString description() const;
94 
95  void setText(const QString &key, const QString &text);
96 
97  bool canWrite() const;
98  bool write(const QImage &image);
99 
100  ImageWriterError error() const;
101  QString errorString() const;
102 
103  bool supportsOption(QImageIOHandler::ImageOption option) const;
104 
105  static QList<QByteArray> supportedImageFormats();
106 
107 private:
110 };
111 
113 
115 
116 #endif // QIMAGEWRITER_H
double d
Definition: qnumeric_p.h:62
ImageWriterError
This enum describes errors that can occur when writing images with QImageWriter.
Definition: qimagewriter.h:62
#define QT_END_NAMESPACE
This macro expands to.
Definition: qglobal.h:90
#define QT_MODULE(x)
Definition: qglobal.h:2783
#define QT_BEGIN_HEADER
Definition: qglobal.h:136
#define Q_GUI_EXPORT
Definition: qglobal.h:1450
#define error(msg)
The QByteArray class provides an array of bytes.
Definition: qbytearray.h:135
#define Q_DISABLE_COPY(Class)
Disables the use of copy constructors and assignment operators for the given Class.
Definition: qglobal.h:2523
The QString class provides a Unicode character string.
Definition: qstring.h:83
Q_GUI_EXPORT QString errorString(EGLint code=eglGetError())
Definition: qegl.cpp:743
#define QT_BEGIN_NAMESPACE
This macro expands to.
Definition: qglobal.h:89
The QImageWriter class provides a format independent interface for writing images to files or other d...
Definition: qimagewriter.h:59
ImageOption
This enum describes the different options supported by QImageIOHandler.
The QImage class provides a hardware-independent image representation that allows direct access to th...
Definition: qimage.h:87
handler setDevice(device)
int key
The QIODevice class is the base interface class of all I/O devices in Qt.
Definition: qiodevice.h:66
#define QT_END_HEADER
Definition: qglobal.h:137
static QString fileName(const QString &fileUrl)
#define text
Definition: qobjectdefs.h:80