diff options
Diffstat (limited to 'src/gui/painting/qprintengine_pdf_p.h')
-rw-r--r-- | src/gui/painting/qprintengine_pdf_p.h | 194 |
1 files changed, 194 insertions, 0 deletions
diff --git a/src/gui/painting/qprintengine_pdf_p.h b/src/gui/painting/qprintengine_pdf_p.h new file mode 100644 index 0000000..5f71819 --- /dev/null +++ b/src/gui/painting/qprintengine_pdf_p.h @@ -0,0 +1,194 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (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 either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** 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 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@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 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 |