Qt 4.8
qprintengine.h
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41 
42 #ifndef QPRINTENGINE_H
43 #define QPRINTENGINE_H
44 
45 #include <QtCore/qvariant.h>
46 #include <QtGui/qprinter.h>
47 
49 
51 
52 QT_MODULE(Gui)
53 
54 #ifndef QT_NO_PRINTER
55 
57 {
58 public:
59  virtual ~QPrintEngine() {}
79 
83 
85 
91  PPK_PaperSize = PPK_PageSize,
92 
93  PPK_CustomBase = 0xff00
94  };
95 
96  virtual void setProperty(PrintEnginePropertyKey key, const QVariant &value) = 0;
97  virtual QVariant property(PrintEnginePropertyKey key) const = 0;
98 
99  virtual bool newPage() = 0;
100  virtual bool abort() = 0;
101 
102  virtual int metric(QPaintDevice::PaintDeviceMetric) const = 0;
103 
104  virtual QPrinter::PrinterState printerState() const = 0;
105 
106 #ifdef Q_WS_WIN
107  virtual HDC getPrinterDC() const { return 0; }
108  virtual void releasePrinterDC(HDC) const { }
109 #endif
110 
111 };
112 
113 #endif // QT_NO_PRINTER
114 
116 
118 
119 #endif // QPRINTENGINE_H
The QVariant class acts like a union for the most common Qt data types.
Definition: qvariant.h:92
PrinterState
Definition: qprinter.h:119
#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
virtual HDC getPrinterDC() const
Definition: qprintengine.h:107
virtual void releasePrinterDC(HDC) const
Definition: qprintengine.h:108
virtual ~QPrintEngine()
Destroys the print engine.
Definition: qprintengine.h:59
#define QT_BEGIN_NAMESPACE
This macro expands to.
Definition: qglobal.h:89
The QPrintEngine class defines an interface for how QPrinter interacts with a given printing subsyste...
Definition: qprintengine.h:56
int key
const char * property
Definition: qwizard.cpp:138
#define QT_END_HEADER
Definition: qglobal.h:137
PrintEnginePropertyKey
This enum is used to communicate properties between the print engine and QPrinter.
Definition: qprintengine.h:60