qprintengine_ps_p.h

奇趣公司比较新的qt/emd版本

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#ifndef QPRINTENGINE_PS_P_H
#define QPRINTENGINE_PS_P_H

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists for the convenience
// of qpsprinter.cpp and qprinter_x11.cpp.
// This header file may change from version to version without notice,
// or even be removed.
//
// We mean it.
//

#ifndef QT_NO_PRINTER

#include "private/qpdf_p.h"
#include "qplatformdefs.h"
#include "QtCore/qlibrary.h"
#include "QtCore/qstringlist.h"
#include "QtCore/qhash.h"
#include "QtCore/qabstractitemmodel.h"

class QPrinter;
class QPSPrintEnginePrivate;

class QPSPrintEngine : public QPdfBaseEngine
{
    Q_DECLARE_PRIVATE(QPSPrintEngine)
public:
    // QPrinter uses these
    explicit QPSPrintEngine(QPrinter::PrinterMode m);
    ~QPSPrintEngine();


    virtual bool begin(QPaintDevice *pdev);
    virtual bool end();

    void setBrush();

    virtual void drawImage(const QRectF &r, const QImage &img, const QRectF &sr, Qt::ImageConversionFlags);
    virtual void drawPixmap(const QRectF &r, const QPixmap &pm, const QRectF &sr);
    virtual void drawTiledPixmap(const QRectF &r, const QPixmap &pixmap, const QPointF &s);

    virtual void drawImageInternal(const QRectF &r, QImage img, bool bitmap);

    virtual QPaintEngine::Type type() const { return QPaintEngine::PostScript; }

    virtual bool newPage();
    virtual bool abort();

    virtual QPrinter::PrinterState printerState() const;

    virtual Qt::HANDLE handle() const { return 0; };

private:
    Q_DISABLE_COPY(QPSPrintEngine)
};

class QPSPrintEnginePrivate : public QPdfBaseEnginePrivate {
public:
    QPSPrintEnginePrivate(QPrinter::PrinterMode m);
    ~QPSPrintEnginePrivate();

    void emitHeader(bool finished);
    void emitPages();
    void drawImage(qreal x, qreal y, qreal w, qreal h, const QImage &img, const QImage &mask);
    void flushPage(bool last = false);

    int         pageCount;
    bool        epsf;
    QByteArray     fontsUsed;

    // stores the descriptions of the n first pages.
    QByteArray buffer;

    bool firstPage;

    QRect boundingBox;

    QPrinter::PrinterState printerState;
    bool hugeDocument;
    bool headerDone;
};

#endif // QT_NO_PRINTER

#endif // QPRINTENGINE_PS_P_H