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Diffstat (limited to 'src/printsupport/kernel/qprintengine_win_p.h')
| -rw-r--r-- | src/printsupport/kernel/qprintengine_win_p.h | 262 |
1 files changed, 262 insertions, 0 deletions
diff --git a/src/printsupport/kernel/qprintengine_win_p.h b/src/printsupport/kernel/qprintengine_win_p.h new file mode 100644 index 0000000000..566e42ea2f --- /dev/null +++ b/src/printsupport/kernel/qprintengine_win_p.h @@ -0,0 +1,262 @@ +/**************************************************************************** +** +** 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. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** 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. +** +** 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. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#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 "qt_windows.h" + +#include <QtGui/qpaintengine.h> +#include <QtPrintSupport/QPrintEngine> +#include <QtPrintSupport/QPrinter> +#include <private/qpaintengine_alpha_p.h> + +QT_BEGIN_NAMESPACE + +class QWin32PrintEnginePrivate; +class QPrinterPrivate; +class QPainterState; + +class Q_PRINTSUPPORT_EXPORT 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; +}; + +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 bool resetDC() { + hdc = ResetDC(hdc, devMode); + 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; + DEVMODE *devMode; + PRINTER_INFO_2 *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 |