qpaintengine_preview_p.h

Go to the documentation of this file.

// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
 
#ifndef QPAINTENGINE_PREVIEW_P_H
#define QPAINTENGINE_PREVIEW_P_H
 
//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists for the convenience
// of QPreviewPrinter and friends.  This header file may change from
// version to version without notice, or even be removed.
//
// We mean it.
//
//
 
#include <QtPrintSupport/private/qtprintsupportglobal_p.h>
#include <QtGui/qpaintengine.h>
#include <QtPrintSupport/qprintengine.h>
 
QT_REQUIRE_CONFIG(printpreviewwidget);
 
QT_BEGIN_NAMESPACE
 
class QPreviewPaintEnginePrivate;
 
class QPreviewPaintEngine : public QPaintEngine, public QPrintEngine
{
    Q_DECLARE_PRIVATE(QPreviewPaintEngine)
public:
    QPreviewPaintEngine();
    ~QPreviewPaintEngine();
 
    bool begin(QPaintDevice *dev) override;
    bool end() override;
 
    void updateState(const QPaintEngineState &state) override;
 
    void drawPath(const QPainterPath &path) override;
    void drawPolygon(const QPointF *points, int pointCount, PolygonDrawMode mode) override;
    void drawTextItem(const QPointF &p, const QTextItem &textItem) override;
 
    void drawPixmap(const QRectF &r, const QPixmap &pm, const QRectF &sr) override;
    void drawTiledPixmap(const QRectF &r, const QPixmap &pm, const QPointF &p) override;
 
    QList<const QPicture *> pages();
 
    QPaintEngine::Type type() const override { return Picture; }
 
    void setProxyEngines(QPrintEngine *printEngine, QPaintEngine *paintEngine);
 
    void setProperty(PrintEnginePropertyKey key, const QVariant &value) override;
    QVariant property(PrintEnginePropertyKey key) const override;
 
    bool newPage() override;
    bool abort() override;
 
    int metric(QPaintDevice::PaintDeviceMetric) const override;
 
    QPrinter::PrinterState printerState() const override;
};
 
QT_END_NAMESPACE
 
#endif