Qt 4.8
qdeclarativepixmapcache_p.h
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41 
42 #ifndef QDECLARATIVEPIXMAPCACHE_H
43 #define QDECLARATIVEPIXMAPCACHE_H
44 
45 #include <QtCore/qcoreapplication.h>
46 #include <QtCore/qstring.h>
47 #include <QtGui/qpixmap.h>
48 #include <QtCore/qurl.h>
49 
51 
53 
54 QT_MODULE(Declarative)
55 
56 class QDeclarativeEngine;
59 {
61 public:
64  QDeclarativePixmap(QDeclarativeEngine *, const QUrl &, const QSize &);
66 
67  enum Status { Null, Ready, Error, Loading };
68 
69  enum Option {
70  Asynchronous = 0x00000001,
71  Cache = 0x00000002
72  };
73  Q_DECLARE_FLAGS(Options, Option)
74 
75  bool isNull() const;
76  bool isReady() const;
77  bool isError() const;
78  bool isLoading() const;
79 
80  Status status() const;
81  QString error() const;
82  const QUrl &url() const;
83  const QSize &implicitSize() const;
84  const QSize &requestSize() const;
85  const QPixmap &pixmap() const;
86  void setPixmap(const QPixmap &);
87 
88  QRect rect() const;
89  int width() const;
90  int height() const;
91  inline operator const QPixmap &() const;
92 
93  void load(QDeclarativeEngine *, const QUrl &);
94  void load(QDeclarativeEngine *, const QUrl &, QDeclarativePixmap::Options options);
95  void load(QDeclarativeEngine *, const QUrl &, const QSize &);
96  void load(QDeclarativeEngine *, const QUrl &, const QSize &, QDeclarativePixmap::Options options);
97 
98  void clear();
99  void clear(QObject *);
100 
101  bool connectFinished(QObject *, const char *);
102  bool connectFinished(QObject *, int);
103  bool connectDownloadProgress(QObject *, const char *);
104  bool connectDownloadProgress(QObject *, int);
105 
106  static void flushCache();
107 
108 private:
111 };
112 
113 inline QDeclarativePixmap::operator const QPixmap &() const
114 {
115  return pixmap();
116 }
117 
118 Q_DECLARE_OPERATORS_FOR_FLAGS(QDeclarativePixmap::Options)
119 
121 
123 
124 #endif // QDECLARATIVEPIXMAPCACHE_H
double d
Definition: qnumeric_p.h:62
Error
Definition: qaudio.h:58
#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_DECLARE_FLAGS(Flags, Enum)
The Q_DECLARE_FLAGS() macro expands to.
Definition: qglobal.h:2348
#define error(msg)
static void clear(QVariant::Private *d)
Definition: qvariant.cpp:197
static LibLoadStatus status
Definition: qlocale_icu.cpp:69
#define Q_DISABLE_COPY(Class)
Disables the use of copy constructors and assignment operators for the given Class.
Definition: qglobal.h:2523
The QUrl class provides a convenient interface for working with URLs.
Definition: qurl.h:61
The QString class provides a Unicode character string.
Definition: qstring.h:83
The QObject class is the base class of all Qt objects.
Definition: qobject.h:111
#define QT_BEGIN_NAMESPACE
This macro expands to.
Definition: qglobal.h:89
#define Q_DECLARE_OPERATORS_FOR_FLAGS(Flags)
The Q_DECLARE_OPERATORS_FOR_FLAGS() macro declares global operator|() functions for Flags...
Definition: qglobal.h:2355
#define Q_DECLARATIVE_EXPORT
Definition: qglobal.h:1454
#define load(x)
The QDeclarativeEngine class provides an environment for instantiating QML components.
The QRect class defines a rectangle in the plane using integer precision.
Definition: qrect.h:58
The QPixmap class is an off-screen image representation that can be used as a paint device...
Definition: qpixmap.h:71
The QSize class defines the size of a two-dimensional object using integer point precision.
Definition: qsize.h:53
#define QT_END_HEADER
Definition: qglobal.h:137
#define Q_DECLARE_TR_FUNCTIONS(context)
The Q_DECLARE_TR_FUNCTIONS() macro declares and implements two translation functions, tr() and trUtf8(), with these signatures:
static bool isNull(const QVariant::Private *d)
Definition: qvariant.cpp:300