--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/gui/painting/qpdf_p.h Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,303 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 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 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();
+
+ private:
+ QIODevice *dev;
+ QByteArray ba;
+ bool fileBackingEnabled;
+ bool fileBackingActive;
+ bool handleDirty;
+ };
+
+ enum PathFlags {
+ ClipPath,
+ FillPath,
+ StrokePath,
+ FillAndStrokePath
+ };
+ QByteArray generatePath(const QPainterPath &path, const QTransform &matrix, PathFlags flags);
+ QByteArray generateMatrix(const QTransform &matrix);
+ QByteArray generateDashes(const QPen &pen);
+ QByteArray patternForBrush(const QBrush &b);
+#ifdef USE_NATIVE_GRADIENTS
+ QByteArray generateLinearGradientShader(const QLinearGradient *lg, const QPointF *page_rect, bool alpha = false);
+#endif
+
+ struct Stroker {
+ Stroker();
+ void setPen(const QPen &pen);
+ void strokePath(const QPainterPath &path);
+ ByteStream *stream;
+ bool first;
+ QTransform matrix;
+ bool cosmeticPen;
+ private:
+ QStroker basicStroker;
+ QDashStroker dashStroker;
+ QStrokerOps *stroker;
+ };
+
+ QByteArray ascii85Encode(const QByteArray &input);
+
+ const char *toHex(ushort u, char *buffer);
+ const char *toHex(uchar u, char *buffer);
+
+
+ struct PaperSize {
+ int width, height; // in postscript points
+ };
+ PaperSize paperSize(QPrinter::PaperSize paperSize);
+ const char *paperSizeToString(QPrinter::PaperSize paperSize);
+
+
+ QByteArray stripSpecialCharacters(const QByteArray &string);
+}
+
+
+class QPdfPage : public QPdf::ByteStream
+{
+public:
+ QPdfPage();
+
+ QVector<uint> images;
+ QVector<uint> graphicStates;
+ QVector<uint> patterns;
+ QVector<uint> fonts;
+ QVector<uint> annotations;
+
+ void streamImage(int w, int h, int object);
+
+ QSize pageSize;
+private:
+};
+
+
+class QPdfBaseEnginePrivate;
+
+class QPdfBaseEngine : public QAlphaPaintEngine, public QPrintEngine
+{
+ Q_DECLARE_PRIVATE(QPdfBaseEngine)
+public:
+ QPdfBaseEngine(QPdfBaseEnginePrivate &d, PaintEngineFeatures f);
+ ~QPdfBaseEngine() {}
+
+ // reimplementations QPaintEngine
+ bool begin(QPaintDevice *pdev);
+ bool end();
+
+ void drawPoints(const QPointF *points, int pointCount);
+ void drawLines(const QLineF *lines, int lineCount);
+ void drawRects(const QRectF *rects, int rectCount);
+ void drawPolygon(const QPointF *points, int pointCount, PolygonDrawMode mode);
+ void drawPath (const QPainterPath & path);
+
+ void drawTextItem(const QPointF &p, const QTextItem &textItem);
+
+ void updateState(const QPaintEngineState &state);
+
+ int metric(QPaintDevice::PaintDeviceMetric metricType) const;
+ // end reimplementations QPaintEngine
+
+ // Printer stuff...
+ bool newPage();
+ void setProperty(PrintEnginePropertyKey key, const QVariant &value);
+ QVariant property(PrintEnginePropertyKey key) const;
+
+ void setPen();
+ virtual void setBrush() = 0;
+ void setupGraphicsState(QPaintEngine::DirtyFlags flags);
+
+private:
+ void updateClipPath(const QPainterPath & path, Qt::ClipOperation op);
+
+ friend int qt_printerRealNumCopies(QPaintEngine *);
+};
+
+class QPdfBaseEnginePrivate : public QAlphaPaintEnginePrivate
+{
+ Q_DECLARE_PUBLIC(QPdfBaseEngine)
+public:
+ QPdfBaseEnginePrivate(QPrinter::PrinterMode m);
+ ~QPdfBaseEnginePrivate();
+
+ bool openPrintDevice();
+ void closePrintDevice();
+
+
+ virtual void drawTextItem(const QPointF &p, const QTextItemInt &ti);
+ inline uint requestObject() { return currentObject++; }
+
+ QRect paperRect() const;
+ QRect pageRect() const;
+
+ bool postscript;
+ int currentObject;
+
+ QPdfPage* currentPage;
+ QPdf::Stroker stroker;
+
+ QPointF brushOrigin;
+ QBrush brush;
+ QPen pen;
+ QList<QPainterPath> clips;
+ bool clipEnabled;
+ bool allClipped;
+ bool hasPen;
+ bool hasBrush;
+ bool simplePen;
+ qreal opacity;
+ bool useAlphaEngine;
+
+ QHash<QFontEngine::FaceId, QFontSubset *> fonts;
+
+ QPaintDevice *pdev;
+
+ // the device the output is in the end streamed to.
+ QIODevice *outDevice;
+ int fd;
+
+ // printer options
+ QString outputFileName;
+ QString printerName;
+ QString printProgram;
+ QString selectionOption;
+ QString title;
+ QString creator;
+ QPrinter::DuplexMode duplex;
+ bool collate;
+ bool fullPage;
+ bool embedFonts;
+ int copies;
+ int resolution;
+ QPrinter::PageOrder pageOrder;
+ QPrinter::Orientation orientation;
+ QPrinter::PaperSize paperSize;
+ QPrinter::ColorMode colorMode;
+ QPrinter::PaperSource paperSource;
+
+ QStringList cupsOptions;
+ QRect cupsPaperRect;
+ QRect cupsPageRect;
+ QString cupsStringPageSize;
+ QSizeF customPaperSize; // in postscript points
+ bool hasCustomPageMargins;
+ qreal leftMargin, topMargin, rightMargin, bottomMargin;
+
+#if !defined(QT_NO_CUPS) && !defined(QT_NO_LIBRARY)
+ QString cupsTempFile;
+#endif
+};
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_PRINTER
+
+#endif // QPDF_P_H
+