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Diffstat (limited to 'src/printsupport/platform/windows/qprintengine_win_p.h')
| -rw-r--r-- | src/printsupport/platform/windows/qprintengine_win_p.h | 198 |
1 files changed, 198 insertions, 0 deletions
diff --git a/src/printsupport/platform/windows/qprintengine_win_p.h b/src/printsupport/platform/windows/qprintengine_win_p.h new file mode 100644 index 0000000000..995c31ff1e --- /dev/null +++ b/src/printsupport/platform/windows/qprintengine_win_p.h @@ -0,0 +1,198 @@ +// Copyright (C) 2020 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only + +#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. +// + +#include <QtPrintSupport/private/qtprintsupportglobal_p.h> + +#ifndef QT_NO_PRINTER + +#include <QtGui/qpaintengine.h> +#include <QtGui/qpagelayout.h> +#include <QtPrintSupport/QPrintEngine> +#include <QtPrintSupport/QPrinter> +#include <private/qpaintengine_alpha_p.h> +#include <private/qprintdevice_p.h> +#include <QtCore/qt_windows.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, const QString &deviceId); + + // override QWin32PaintEngine + bool begin(QPaintDevice *dev) override; + bool end() override; + + void updateState(const QPaintEngineState &state) override; + + void updateMatrix(const QTransform &matrix); + void updateClipPath(const QPainterPath &clip, Qt::ClipOperation op); + + void drawPath(const QPainterPath &path) override; + void drawPolygon(const QPointF *points, int pointCount, PolygonDrawMode mode) override; + void drawTextItem(const QPointF &p, const QTextItem &textItem) override; + + void drawPixmap(const QRectF &r, const QPixmap &pm, const QRectF &sr) override; + void drawTiledPixmap(const QRectF &r, const QPixmap &pm, const QPointF &p) override; + void setProperty(PrintEnginePropertyKey key, const QVariant &value) override; + QVariant property(PrintEnginePropertyKey key) const override; + + bool newPage() override; + bool abort() override; + int metric(QPaintDevice::PaintDeviceMetric) const override; + + QPrinter::PrinterState printerState() const override; + + QPaintEngine::Type type() const override { return Windows; } + + HDC getDC() const; + void releaseDC(HDC) const; + + /* Used by print/page setup dialogs */ + void setGlobalDevMode(HGLOBAL globalDevNames, HGLOBAL globalDevMode); + HGLOBAL *createGlobalDevNames(); + HGLOBAL globalDevMode(); + +private: + friend class QPrintDialog; + friend class QPageSetupDialog; +}; + +class QWin32PrintEnginePrivate : public QAlphaPaintEnginePrivate +{ + Q_DECLARE_PUBLIC(QWin32PrintEngine) +public: + QWin32PrintEnginePrivate() : + printToFile(false), reinit(false), + complex_xform(false), has_pen(false), has_brush(false), has_custom_paper_size(false), + embed_fonts(true) + { + } + + ~QWin32PrintEnginePrivate(); + + + /* 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(); + + /* 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(); + + static void initializeDevMode(DEVMODE *); + + bool resetDC(); + + 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 setPageSize(const QPageSize &pageSize); + void updatePageLayout(); + void updateMetrics(); + void debugMetrics() const; + + // Windows GDI printer references. + HANDLE hPrinter = nullptr; + + HGLOBAL globalDevMode = nullptr; + DEVMODE *devMode = nullptr; + PRINTER_INFO_2 *pInfo = nullptr; + HGLOBAL hMem = nullptr; + + HDC hdc = nullptr; + + // True if devMode was allocated separately from pInfo. + bool ownsDevMode = false; + + QPrinter::PrinterMode mode = QPrinter::ScreenResolution; + + // Print Device + QPrintDevice m_printDevice; + + // Document info + QString docName; + QString m_creator; + QString fileName; + + QPrinter::PrinterState state = QPrinter::Idle; + int resolution = 0; + + // Page Layout + QPageLayout m_pageLayout{QPageSize(QPageSize::A4), + QPageLayout::Portrait, QMarginsF{0, 0, 0, 0}}; + // Page metrics cache + QRect m_paintRectPixels; + QSize m_paintSizeMM; + + // Windows painting + qreal stretch_x = 1; + qreal stretch_y = 1; + int origin_x = 0; + int origin_y = 0; + + int dpi_x = 96; + int dpi_y = 96; + int dpi_display = 96; + int num_copies = 1; + + uint printToFile : 1; + uint reinit : 1; + + uint complex_xform : 1; + uint has_pen : 1; + uint has_brush : 1; + uint has_custom_paper_size : 1; + uint embed_fonts : 1; + + uint txop = 0; // QTransform::TxNone + + QColor brush_color; + QPen pen; + QColor pen_color; + QSizeF paper_size; // In points + + QTransform painterMatrix; + QTransform matrix; +}; + +QT_END_NAMESPACE + +#endif // QT_NO_PRINTER + +#endif // QPRINTENGINE_WIN_P_H |