Long live Qt 4.5!

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diff --git a/src/gui/painting/qprintengine_win_p.h b/src/gui/painting/qprintengine_win_p.h
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+/****************************************************************************
+**
+** 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_WIN_P_H
+#define QPRINTENGINE_WIN_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists for the convenience
+// of other Qt classes.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#ifndef QT_NO_PRINTER
+
+#include "QtGui/qprinter.h"
+#include "QtGui/qprintengine.h"
+#include "QtGui/qpaintengine.h"
+#include "QtCore/qt_windows.h"
+#include "private/qpaintengine_alpha_p.h"
+
+QT_BEGIN_NAMESPACE
+
+class QWin32PrintEnginePrivate;
+class QPrinterPrivate;
+class QPainterState;
+
+class QWin32PrintEngine : public QAlphaPaintEngine, public QPrintEngine
+{
+    Q_DECLARE_PRIVATE(QWin32PrintEngine)
+public:
+    QWin32PrintEngine(QPrinter::PrinterMode mode);
+
+    // override QWin32PaintEngine
+    bool begin(QPaintDevice *dev);
+    bool end();
+
+    void updateState(const QPaintEngineState &state);
+
+    void updateMatrix(const QTransform &matrix);
+    void updateClipPath(const QPainterPath &clip, Qt::ClipOperation op);
+
+    void drawPath(const QPainterPath &path);
+    void drawPolygon(const QPointF *points, int pointCount, PolygonDrawMode mode);
+    void drawTextItem(const QPointF &p, const QTextItem &textItem);
+
+    void drawPixmap(const QRectF &r, const QPixmap &pm, const QRectF &sr);
+    void drawTiledPixmap(const QRectF &r, const QPixmap &pm, const QPointF &p);
+    void setProperty(PrintEnginePropertyKey key, const QVariant &value);
+    QVariant property(PrintEnginePropertyKey key) const;
+
+    bool newPage();
+    bool abort();
+    int metric(QPaintDevice::PaintDeviceMetric) const;
+
+    QPrinter::PrinterState printerState() const;
+
+    QPaintEngine::Type type() const { return Windows; }
+
+    HDC getDC() const;
+    void releaseDC(HDC) const;
+
+    HDC getPrinterDC() const { return getDC(); }
+    void releasePrinterDC(HDC dc) const { releaseDC(dc); }
+
+private:
+    friend class QPrintDialog;
+    friend class QPageSetupDialog;
+    friend int qt_printerRealNumCopies(QPaintEngine *);
+};
+
+class QWin32PrintEnginePrivate : public QAlphaPaintEnginePrivate
+{
+    Q_DECLARE_PUBLIC(QWin32PrintEngine)
+public:
+    QWin32PrintEnginePrivate() :
+        hPrinter(0),
+        globalDevMode(0),
+        devMode(0),
+        pInfo(0),
+        hdc(0),
+        mode(QPrinter::ScreenResolution),
+        state(QPrinter::Idle),
+        resolution(0),
+        pageMarginsSet(false),
+        num_copies(1),
+        printToFile(false),
+        fullPage(false),
+        reinit(false),
+        has_custom_paper_size(false)
+    {
+    }
+
+    ~QWin32PrintEnginePrivate();
+
+
+    /* Reads the default printer name and its driver (printerProgram) into
+       the engines private data. */
+    void queryDefault();
+
+    /* Initializes the printer data based on the current printer name. This
+       function creates a DEVMODE struct, HDC and a printer handle. If these
+       structures are already in use, they are freed using release
+    */
+    void initialize();
+
+    /* Initializes data in the print engine whenever the HDC has been renewed
+    */
+    void initHDC();
+
+    /* Releases all the handles the printer currently holds, HDC, DEVMODE,
+       etc and resets the corresponding members to 0. */
+    void release();
+
+    /* Queries the resolutions for the current printer, and returns them
+       in a list. */
+    QList<QVariant> queryResolutions() const;
+
+    /* Resets the DC with changes in devmode. If the printer is active
+       this function only sets the reinit variable to true so it
+       is handled in the next begin or newpage. */
+    void doReinit();
+
+    /* Used by print/page setup dialogs */
+    HGLOBAL *createDevNames();
+
+    void readDevmode(HGLOBAL globalDevmode);
+    void readDevnames(HGLOBAL globalDevnames);
+
+    inline DEVMODEW *devModeW() const { return (DEVMODEW*) devMode; }
+    inline DEVMODEA *devModeA() const { return (DEVMODEA*) devMode; }
+
+    inline PRINTER_INFO_2W *pInfoW() { return (PRINTER_INFO_2W*) pInfo; };
+    inline PRINTER_INFO_2A *pInfoA() { return (PRINTER_INFO_2A*) pInfo; };
+
+    inline bool resetDC() {
+        QT_WA( {
+            hdc = ResetDCW(hdc, devModeW());
+        }, {
+            hdc = ResetDCA(hdc, devModeA());
+        } );
+        return hdc != 0;
+    }
+
+    void strokePath(const QPainterPath &path, const QColor &color);
+    void fillPath(const QPainterPath &path, const QColor &color);
+
+    void composeGdiPath(const QPainterPath &path);
+    void fillPath_dev(const QPainterPath &path, const QColor &color);
+    void strokePath_dev(const QPainterPath &path, const QColor &color, qreal width);
+
+    void updateOrigin();
+
+    void initDevRects();
+    void setPageMargins(int margin_left, int margin_top, int margin_right, int margin_bottom);
+    QRect getPageMargins() const;
+    void updateCustomPaperSize();
+
+    // Windows GDI printer references.
+    HANDLE hPrinter;
+
+    HGLOBAL globalDevMode;
+    void *devMode;
+    void *pInfo;
+    HGLOBAL hMem;
+
+    HDC hdc;
+
+    QPrinter::PrinterMode mode;
+
+    // Printer info
+    QString name;
+    QString program;
+    QString port;
+
+    // Document info
+    QString docName;
+    QString fileName;
+
+    QPrinter::PrinterState state;
+    int resolution;
+
+    // This QRect is used to store the exact values
+    // entered into the PageSetup Dialog because those are
+    // entered in mm but are since converted to device coordinates.
+    // If they were to be converted back when displaying the dialog
+    // again, there would be inaccuracies so when the user entered 10
+    // it may show up as 9.99 the next time the dialog is opened.
+    // We don't want that confusion.
+    QRect previousDialogMargins;
+
+    bool pageMarginsSet;
+    QRect devPageRect;
+    QRect devPhysicalPageRect;
+    QRect devPaperRect;
+    qreal stretch_x;
+    qreal stretch_y;
+    int origin_x;
+    int origin_y;
+
+    int dpi_x;
+    int dpi_y;
+    int dpi_display;
+    int num_copies;
+
+    uint printToFile : 1;
+    uint fullPage : 1;
+    uint reinit : 1;
+
+    uint complex_xform : 1;
+    uint has_pen : 1;
+    uint has_brush : 1;
+    uint has_custom_paper_size : 1;
+
+    uint txop;
+
+    QColor brush_color;
+    QPen pen;
+    QColor pen_color;
+    QSizeF paper_size;
+
+    QTransform painterMatrix;
+    QTransform matrix;
+};
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_PRINTER
+
+#endif // QPRINTENGINE_WIN_P_H