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#ifndef QPRINTENGINE_PDF_P_H

#define QPRINTENGINE_PDF_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.

//

#include "QtGui/qprintengine.h"

#ifndef QT_NO_PRINTER

#include "QtCore/qmap.h"

#include "QtGui/qmatrix.h"

#include "QtCore/qstring.h"

#include "QtCore/qvector.h"

#include "QtGui/qpaintengine.h"

#include "QtGui/qpainterpath.h"

#include "QtCore/qdatastream.h"

#include "private/qfontengine_p.h"

#include "private/qpdf_p.h"

#include "private/qpaintengine_p.h"

QT_BEGIN_NAMESPACE

// #define USE_NATIVE_GRADIENTS

class QImage;

class QDataStream;

class QPen;

class QPointF;

class QRegion;

class QFile;

class QPdfEngine;

class QPdfEnginePrivate;

class QPdfEngine : public QPdfBaseEngine

{

    Q_DECLARE_PRIVATE(QPdfEngine)

public:

    QPdfEngine(QPrinter::PrinterMode m);

    virtual ~QPdfEngine();

    // reimplementations QPaintEngine

    bool begin(QPaintDevice *pdev);

    bool end();

    void drawPixmap (const QRectF & rectangle, const QPixmap & pixmap, const QRectF & sr);

    void drawImage(const QRectF &r, const QImage &pm, const QRectF &sr,

                   Qt::ImageConversionFlags flags = Qt::AutoColor);

    void drawTiledPixmap (const QRectF & rectangle, const QPixmap & pixmap, const QPointF & point);

    Type type() const;

    // end reimplementations QPaintEngine

    // reimplementations QPrintEngine

    bool abort() {return false;}

    bool newPage();

    QPrinter::PrinterState printerState() const {return state;}

    // end reimplementations QPrintEngine

    void setBrush();

    // ### unused, should have something for this in QPrintEngine

    void setAuthor(const QString &author);

    QString author() const;

    void setDevice(QIODevice* dev);

private:

    Q_DISABLE_COPY(QPdfEngine)

    QPrinter::PrinterState state;

};

class QPdfEnginePrivate : public QPdfBaseEnginePrivate

{

    Q_DECLARE_PUBLIC(QPdfEngine)

public:

    QPdfEnginePrivate(QPrinter::PrinterMode m);

    ~QPdfEnginePrivate();

    void newPage();

    int width() const {

        QRect r = paperRect();

        return qRound(r.width()*72./resolution);

    }

    int height() const {

        QRect r = paperRect();

        return qRound(r.height()*72./resolution);

    }

    void writeHeader();

    void writeTail();

    int addImage(const QImage &image, bool *bitmap, qint64 serial_no);

    int addConstantAlphaObject(int brushAlpha, int penAlpha = 255);

    int addBrushPattern(const QTransform &matrix, bool *specifyColor, int *gStateObject);

    void drawTextItem(const QPointF &p, const QTextItemInt &ti);

    QTransform pageMatrix() const;

private:

    Q_DISABLE_COPY(QPdfEnginePrivate)

#ifdef USE_NATIVE_GRADIENTS

    int gradientBrush(const QBrush &b, const QMatrix &matrix, int *gStateObject);

#endif

    void writeInfo();

    void writePageRoot();

    void writeFonts();

    void embedFont(QFontSubset *font);

    QVector<int> xrefPositions;

    QDataStream* stream;

    int streampos;

    int writeImage(const QByteArray &data, int width, int height, int depth,

                   int maskObject, int softMaskObject, bool dct = false);

    void writePage();

    int addXrefEntry(int object, bool printostr = true);

    void xprintf(const char* fmt, ...);

    inline void write(const QByteArray &data) {

        stream->writeRawData(data.constData(), data.size());

        streampos += data.size();

    }

    int writeCompressed(const char *src, int len);

    inline int writeCompressed(const QByteArray &data) { return writeCompressed(data.constData(), data.length()); }

    int writeCompressed(QIODevice *dev);

    // various PDF objects

    int pageRoot, catalog, info, graphicsState, patternColorSpace;

    QVector<uint> pages;

    QHash<qint64, uint> imageCache;

    QHash<QPair<uint, uint>, uint > alphaCache;

};

QT_END_NAMESPACE

#endif // QT_NO_PRINTER

#endif // QPRINTENGINE_PDF_P_H