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42 #ifndef QPRINTENGINE_H
43 #define QPRINTENGINE_H
45 #include <QtCore/qvariant.h>
46 #include <QtGui/qprinter.h>
56 class Q_GUI_EXPORT QPrintEngine
59 virtual ~QPrintEngine() {}
60 enum PrintEnginePropertyKey {
78 PPK_SupportedResolutions,
82 PPK_SuppressSystemPrintStatus,
90 PPK_SupportsMultipleCopies,
91 PPK_PaperSize = PPK_PageSize,
93 PPK_CustomBase = 0xff00
96 virtual void setProperty(PrintEnginePropertyKey key, const QVariant &value) = 0;
97 virtual QVariant property(PrintEnginePropertyKey key) const = 0;
99 virtual bool newPage() = 0;
100 virtual bool abort() = 0;
102 virtual int metric(QPaintDevice::PaintDeviceMetric) const = 0;
104 virtual QPrinter::PrinterState printerState() const = 0;
107 virtual HDC getPrinterDC() const { return 0; }
108 virtual void releasePrinterDC(HDC) const { }
113 #endif // QT_NO_PRINTER
119 #endif // QPRINTENGINE_H