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39
40#ifndef QPAINTENGINE_PREVIEW_P_H
41#define QPAINTENGINE_PREVIEW_P_H
42
43//
44// W A R N I N G
45// -------------
46//
47// This file is not part of the Qt API. It exists for the convenience
48// of QPreviewPrinter and friends. This header file may change from
49// version to version without notice, or even be removed.
50//
51// We mean it.
52//
53//
54
55#include <QtPrintSupport/private/qtprintsupportglobal_p.h>
56#include <QtGui/qpaintengine.h>
57#include <QtPrintSupport/qprintengine.h>
58
59QT_REQUIRE_CONFIG(printpreviewwidget);
60
61QT_BEGIN_NAMESPACE
62
63class QPreviewPaintEnginePrivate;
64
65class QPreviewPaintEngine : public QPaintEngine, public QPrintEngine
66{
67 Q_DECLARE_PRIVATE(QPreviewPaintEngine)
68public:
69 QPreviewPaintEngine();
70 ~QPreviewPaintEngine();
71
72 bool begin(QPaintDevice *dev) override;
73 bool end() override;
74
75 void updateState(const QPaintEngineState &state) override;
76
77 void drawPath(const QPainterPath &path) override;
78 void drawPolygon(const QPointF *points, int pointCount, PolygonDrawMode mode) override;
79 void drawTextItem(const QPointF &p, const QTextItem &textItem) override;
80
81 void drawPixmap(const QRectF &r, const QPixmap &pm, const QRectF &sr) override;
82 void drawTiledPixmap(const QRectF &r, const QPixmap &pm, const QPointF &p) override;
83
84 QList<const QPicture *> pages();
85
86 QPaintEngine::Type type() const override { return Picture; }
87
88 void setProxyEngines(QPrintEngine *printEngine, QPaintEngine *paintEngine);
89
90 void setProperty(PrintEnginePropertyKey key, const QVariant &value) override;
91 QVariant property(PrintEnginePropertyKey key) const override;
92
93 bool newPage() override;
94 bool abort() override;
95
96 int metric(QPaintDevice::PaintDeviceMetric) const override;
97
98 QPrinter::PrinterState printerState() const override;
99};
100
101QT_END_NAMESPACE
102
103#endif
104

source code of qtbase/src/printsupport/kernel/qpaintengine_preview_p.h