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/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#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 printString(const QString &string);
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
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