source: trunk/src/gui/painting/qprintengine_mac_p.h

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#ifndef QPRINTENGINE_MAC_P_H
#define QPRINTENGINE_MAC_P_H

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists purely as an
// implementation detail.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//

#ifndef QT_NO_PRINTER

#include "QtGui/qprinter.h"
#include "QtGui/qprintengine.h"
#include "private/qpaintengine_mac_p.h"
#include "private/qpainter_p.h"

#ifdef __OBJC__
@class NSPrintInfo;
#else
typedef void NSPrintInfo;
#endif

QT_BEGIN_NAMESPACE

class QPrinterPrivate;
class QMacPrintEnginePrivate;
class QMacPrintEngine : public QPaintEngine, public QPrintEngine
{
    Q_DECLARE_PRIVATE(QMacPrintEngine)
public:
    QMacPrintEngine(QPrinter::PrinterMode mode);

    Qt::HANDLE handle() const;

    bool begin(QPaintDevice *dev);
    bool end();
    virtual QPaintEngine::Type type() const { return QPaintEngine::MacPrinter; }

    QPaintEngine *paintEngine() const;

    void setProperty(PrintEnginePropertyKey key, const QVariant &value);
    QVariant property(PrintEnginePropertyKey key) const;

    QPrinter::PrinterState printerState() const;

    bool newPage();
    bool abort();
    int metric(QPaintDevice::PaintDeviceMetric) const;

    //forwarded functions

    void updateState(const QPaintEngineState &state);

    virtual void drawLines(const QLineF *lines, int lineCount);
    virtual void drawRects(const QRectF *r, int num);
    virtual void drawPoints(const QPointF *p, int pointCount);
    virtual void drawEllipse(const QRectF &r);
    virtual void drawPolygon(const QPointF *points, int pointCount, PolygonDrawMode mode);
    virtual void drawPixmap(const QRectF &r, const QPixmap &pm, const QRectF &sr);
    virtual void drawImage(const QRectF &r, const QImage &pm, const QRectF &sr, Qt::ImageConversionFlags flags);
    virtual void drawTextItem(const QPointF &p, const QTextItem &ti);
    virtual void drawTiledPixmap(const QRectF &r, const QPixmap &pixmap, const QPointF &s);
    virtual void drawPath(const QPainterPath &);

private:
    friend class QPrintDialog;
    friend class QPageSetupDialog;
};

class QMacPrintEnginePrivate : public QPaintEnginePrivate
{
    Q_DECLARE_PUBLIC(QMacPrintEngine)
public:
    QPrinter::PrinterMode mode;
    QPrinter::PrinterState state;
    QPrinter::Orientation orient;
    NSPrintInfo *printInfo;
    PMPageFormat format;
    PMPrintSettings settings;
    PMPrintSession session;
    PMResolution resolution;
    QString outputFilename;
    bool fullPage;
    QPaintEngine *paintEngine;
    bool suppressStatus;
    bool hasCustomPaperSize;
    QSizeF customSize;
    bool hasCustomPageMargins;
    qreal leftMargin;
    qreal topMargin;
    qreal rightMargin;
    qreal bottomMargin;
    QHash<QMacPrintEngine::PrintEnginePropertyKey, QVariant> valueCache;
    QMacPrintEnginePrivate() : mode(QPrinter::ScreenResolution), state(QPrinter::Idle),
                               orient(QPrinter::Portrait), printInfo(0), format(0), settings(0),
                               session(0), paintEngine(0), suppressStatus(false),
                               hasCustomPaperSize(false), hasCustomPageMargins(false) {}
    ~QMacPrintEnginePrivate();
    void initialize();
    void releaseSession();
    bool newPage_helper();
    void setPaperSize(QPrinter::PaperSize ps);
    QPrinter::PaperSize paperSize() const;
    QList<QVariant> supportedResolutions() const;
    inline bool isPrintSessionInitialized() const
    {
#ifndef QT_MAC_USE_COCOA
        return session != 0;
#else
        return printInfo != 0;
#endif
    }
    bool shouldSuppressStatus() const;
};

QT_END_NAMESPACE

#endif // QT_NO_PRINTER

#endif // QPRINTENGINE_WIN_P_H