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38****************************************************************************/
39
40#ifndef QPICTURE_H
41#define QPICTURE_H
42
43#include <QtGui/qtguiglobal.h>
44#include <QtCore/qiodevice.h>
45#include <QtCore/qstringlist.h>
46#include <QtCore/qsharedpointer.h>
47#include <QtGui/qpaintdevice.h>
48
49QT_BEGIN_NAMESPACE
50
51#ifndef QT_NO_PICTURE
52
53class QPicturePrivate;
54class Q_GUI_EXPORT QPicture : public QPaintDevice
55{
56 Q_DECLARE_PRIVATE(QPicture)
57public:
58 explicit QPicture(int formatVersion = -1);
59 QPicture(const QPicture &);
60 ~QPicture();
61
62 bool isNull() const;
63
64 int devType() const override;
65 uint size() const;
66 const char* data() const;
67 virtual void setData(const char* data, uint size);
68
69 bool play(QPainter *p);
70
71 bool load(QIODevice *dev);
72 bool load(const QString &fileName);
73 bool save(QIODevice *dev);
74 bool save(const QString &fileName);
75
76 QRect boundingRect() const;
77 void setBoundingRect(const QRect &r);
78
79 QPicture& operator=(const QPicture &p);
80 QT_MOVE_ASSIGNMENT_OPERATOR_IMPL_VIA_PURE_SWAP(QPicture)
81 inline void swap(QPicture &other) noexcept
82 { d_ptr.swap(other.d_ptr); }
83 void detach();
84 bool isDetached() const;
85
86 friend Q_GUI_EXPORT QDataStream &operator<<(QDataStream &in, const QPicture &p);
87 friend Q_GUI_EXPORT QDataStream &operator>>(QDataStream &in, QPicture &p);
88
89 QPaintEngine *paintEngine() const override;
90
91protected:
92 QPicture(QPicturePrivate &data);
93
94 int metric(PaintDeviceMetric m) const override;
95
96private:
97 bool exec(QPainter *p, QDataStream &ds, int i);
98
99 QExplicitlySharedDataPointer<QPicturePrivate> d_ptr;
100 friend class QPicturePaintEngine;
101 friend class QAlphaPaintEngine;
102 friend class QPreviewPaintEngine;
103
104public:
105 typedef QExplicitlySharedDataPointer<QPicturePrivate> DataPtr;
106 inline DataPtr &data_ptr() { return d_ptr; }
107};
108
109Q_DECLARE_SHARED(QPicture)
110
111/*****************************************************************************
112 QPicture stream functions
113 *****************************************************************************/
114
115#ifndef QT_NO_DATASTREAM
116Q_GUI_EXPORT QDataStream &operator<<(QDataStream &, const QPicture &);
117Q_GUI_EXPORT QDataStream &operator>>(QDataStream &, QPicture &);
118#endif
119
120#endif // QT_NO_PICTURE
121
122QT_END_NAMESPACE
123
124#endif // QPICTURE_H
125