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diff --git a/src/plugins/platforms/xcb/nativepainting/qpaintengine_x11_p.h b/src/plugins/platforms/xcb/nativepainting/qpaintengine_x11_p.h
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+/****************************************************************************
+**
+** Copyright (C) 2018 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the plugins of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or (at your option) the GNU General
+** Public license version 3 or any later version approved by the KDE Free
+** Qt Foundation. The licenses are as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-2.0.html and
+** https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QPAINTENGINE_X11_H
+#define QPAINTENGINE_X11_H
+
+#include <QtGui/QPaintEngine>
+
+typedef unsigned long XID;
+typedef XID Drawable;
+typedef struct _XGC *GC;
+
+QT_BEGIN_NAMESPACE
+
+extern "C" {
+Drawable qt_x11Handle(const QPaintDevice *pd);
+GC qt_x11_get_pen_gc(QPainter *);
+GC qt_x11_get_brush_gc(QPainter *);
+}
+
+class QX11PaintEnginePrivate;
+class QX11PaintEngine : public QPaintEngine
+{
+    Q_DECLARE_PRIVATE(QX11PaintEngine)
+public:
+    QX11PaintEngine();
+    ~QX11PaintEngine();
+
+    bool begin(QPaintDevice *pdev) override;
+    bool end() override;
+
+    void updateState(const QPaintEngineState &state) override;
+
+    void updatePen(const QPen &pen);
+    void updateBrush(const QBrush &brush, const QPointF &pt);
+    void updateRenderHints(QPainter::RenderHints hints);
+    void updateFont(const QFont &font);
+    void updateMatrix(const QTransform &matrix);
+    void updateClipRegion_dev(const QRegion &region, Qt::ClipOperation op);
+
+    void drawLines(const QLine *lines, int lineCount) override;
+    void drawLines(const QLineF *lines, int lineCount) override;
+
+    void drawRects(const QRect *rects, int rectCount) override;
+    void drawRects(const QRectF *rects, int rectCount) override;
+
+    void drawPoints(const QPoint *points, int pointCount) override;
+    void drawPoints(const QPointF *points, int pointCount) override;
+
+    void drawEllipse(const QRect &r) override;
+    void drawEllipse(const QRectF &r) override;
+
+    virtual void drawPolygon(const QPointF *points, int pointCount, PolygonDrawMode mode) override;
+    inline void drawPolygon(const QPoint *points, int pointCount, PolygonDrawMode mode) override
+        { QPaintEngine::drawPolygon(points, pointCount, mode); }
+
+    void drawPixmap(const QRectF &r, const QPixmap &pm, const QRectF &sr) override;
+    void drawTiledPixmap(const QRectF &r, const QPixmap &pixmap, const QPointF &s) override;
+    void drawPath(const QPainterPath &path) override;
+    void drawTextItem(const QPointF &p, const QTextItem &textItem) override;
+    void drawImage(const QRectF &r, const QImage &img, const QRectF &sr,
+                   Qt::ImageConversionFlags flags = Qt::AutoColor) override;
+
+    virtual Drawable handle() const;
+    inline Type type() const override { return QPaintEngine::X11; }
+
+    QPainter::RenderHints supportedRenderHints() const;
+
+protected:
+    QX11PaintEngine(QX11PaintEnginePrivate &dptr);
+
+#if QT_CONFIG(fontconfig)
+    void drawFreetype(const QPointF &p, const QTextItemInt &ti);
+    bool drawCachedGlyphs(const QTransform &transform, const QTextItemInt &ti);
+#endif // QT_CONFIG(fontconfig)
+
+    friend class QPixmap;
+    friend class QFontEngineBox;
+    friend GC qt_x11_get_pen_gc(QPainter *);
+    friend GC qt_x11_get_brush_gc(QPainter *);
+
+private:
+    Q_DISABLE_COPY(QX11PaintEngine)
+};
+
+QT_END_NAMESPACE
+
+#endif // QPAINTENGINE_X11_H