source: trunk/src/gui/painting/qpdf_p.h@ 735

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#ifndef QPDF_P_H
#define QPDF_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/qmatrix.h"
#include "QtCore/qstring.h"
#include "QtCore/qvector.h"
#include "private/qstroker_p.h"
#include "private/qfontengine_p.h"
#include "QtGui/qprinter.h"
#include "private/qfontsubset_p.h"
#include "private/qpaintengine_alpha_p.h"
#include "qprintengine.h"
#include "qbuffer.h"

#ifndef QT_NO_PRINTER

QT_BEGIN_NAMESPACE

#define PPK_CupsOptions QPrintEngine::PrintEnginePropertyKey(0xfe00)
#define PPK_CupsPageRect QPrintEngine::PrintEnginePropertyKey(0xfe01)
#define PPK_CupsPaperRect QPrintEngine::PrintEnginePropertyKey(0xfe02)
#define PPK_CupsStringPageSize QPrintEngine::PrintEnginePropertyKey(0xfe03)

const char *qt_real_to_string(qreal val, char *buf);
const char *qt_int_to_string(int val, char *buf);

namespace QPdf {

    class ByteStream
    {
    public:
        // fileBacking means that ByteStream will buffer the contents on disk
        // if the size exceeds a certain threshold. In this case, if a byte
        // array was passed in, its contents may no longer correspond to the
        // ByteStream contents.
        explicit ByteStream(bool fileBacking = false);
        explicit ByteStream(QByteArray *ba, bool fileBacking = false);
        ~ByteStream();
        ByteStream &operator <<(char chr);
        ByteStream &operator <<(const char *str);
        ByteStream &operator <<(const QByteArray &str);
        ByteStream &operator <<(const ByteStream &src);
        ByteStream &operator <<(qreal val);
        ByteStream &operator <<(int val);
        ByteStream &operator <<(const QPointF &p);
        // Note that the stream may be invalidated by calls that insert data.
        QIODevice *stream();
        void clear();

        static inline int maxMemorySize() { return 100000000; }
        static inline int chunkSize()     { return 10000000; }

    protected:
        void constructor_helper(QIODevice *dev);
        void constructor_helper(QByteArray *ba);

    private:
        void prepareBuffer();