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diff --git a/src/plugins/platforms/xcb/nativepainting/qpixmap_x11_p.h b/src/plugins/platforms/xcb/nativepainting/qpixmap_x11_p.h
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+++ b/src/plugins/platforms/xcb/nativepainting/qpixmap_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 QX11PLATFORMPIXMAP_H
+#define QX11PLATFORMPIXMAP_H
+
+#include <QBitmap>
+#include <QPixmap>
+
+#include <qpa/qplatformpixmap.h>
+#include "qxcbnativepainting.h"
+
+typedef unsigned long XID;
+typedef XID Drawable;
+typedef XID Picture;
+typedef XID Pixmap;
+
+QT_BEGIN_NAMESPACE
+
+class QX11PaintEngine;
+struct QXImageWrapper;
+
+class QX11PlatformPixmap : public QPlatformPixmap
+{
+public:
+    QX11PlatformPixmap(PixelType pixelType);
+    ~QX11PlatformPixmap();
+
+    QPlatformPixmap *createCompatiblePlatformPixmap() const override;
+    void resize(int width, int height) override;
+    void fromImage(const QImage &img, Qt::ImageConversionFlags flags) override;
+    void copy(const QPlatformPixmap *data, const QRect &rect) override;
+    bool scroll(int dx, int dy, const QRect &rect) override;
+    int metric(QPaintDevice::PaintDeviceMetric metric) const override;
+    void fill(const QColor &fillColor) override;
+    QBitmap mask() const override;
+    void setMask(const QBitmap &mask) override;
+    bool hasAlphaChannel() const override;
+    QPixmap transformed(const QTransform &matrix, Qt::TransformationMode mode) const override;
+    QImage toImage() const override;
+    QImage toImage(const QRect &rect) const override;
+    QPaintEngine *paintEngine() const override;
+    qreal devicePixelRatio() const override;
+    void setDevicePixelRatio(qreal scaleFactor) override;
+
+    inline Drawable handle() const { return hd; }
+    inline Picture x11PictureHandle() const { return picture; }
+    inline const QXcbX11Info *x11_info() const { return &xinfo; }
+
+    Pixmap x11ConvertToDefaultDepth();
+    static XID createBitmapFromImage(const QImage &image);
+
+#if QT_CONFIG(xrender)
+    void convertToARGB32(bool preserveContents = true);
+#endif
+
+private:
+    friend class QX11PaintEngine;
+    friend const QXcbX11Info &qt_x11Info(const QPixmap &pixmap);
+    friend void qt_x11SetScreen(QPixmap &pixmap, int screen);
+
+    void release();
+    QImage toImage(const QXImageWrapper &xi, const QRect &rect) const;
+    QBitmap mask_to_bitmap(int screen) const;
+    static Pixmap bitmap_to_mask(const QBitmap &, int screen);
+    void bitmapFromImage(const QImage &image);
+    bool canTakeQImageFromXImage(const QXImageWrapper &xi) const;
+    QImage takeQImageFromXImage(const QXImageWrapper &xi) const;
+
+    Pixmap hd = 0;
+
+    enum Flag {
+        NoFlags = 0x0,
+        Uninitialized = 0x1,
+        Readonly = 0x2,
+        InvertedWhenBoundToTexture = 0x4,
+        GlSurfaceCreatedWithAlpha = 0x8
+    };
+    uint flags;
+
+    QXcbX11Info xinfo;
+    Pixmap x11_mask;
+    Picture picture;
+    Picture mask_picture;
+    Pixmap hd2; // sorted in the default display depth
+    //QPixmap::ShareMode share_mode;
+    qreal dpr;
+
+    QX11PaintEngine *pengine;
+};
+
+inline QX11PlatformPixmap *qt_x11Pixmap(const QPixmap &pixmap)
+{
+    return (pixmap.handle() && pixmap.handle()->classId() == QPlatformPixmap::X11Class)
+            ? static_cast<QX11PlatformPixmap *>(pixmap.handle())
+            : nullptr;
+}
+
+inline Picture qt_x11PictureHandle(const QPixmap &pixmap)
+{
+    if (QX11PlatformPixmap *pm = qt_x11Pixmap(pixmap))
+        return pm->x11PictureHandle();
+
+    return 0;
+}
+
+inline Pixmap qt_x11PixmapHandle(const QPixmap &pixmap)
+{
+    if (QX11PlatformPixmap *pm = qt_x11Pixmap(pixmap))
+        return pm->handle();
+
+    return 0;
+}
+
+inline const QXcbX11Info &qt_x11Info(const QPixmap &pixmap)
+{
+    if (QX11PlatformPixmap *pm = qt_x11Pixmap(pixmap)) {
+        return pm->xinfo;
+    } else {
+        static QXcbX11Info nullX11Info;
+        return nullX11Info;
+    }
+}
+
+int qt_x11SetDefaultScreen(int screen);
+void qt_x11SetScreen(QPixmap &pixmap, int screen);
+
+QT_END_NAMESPACE
+
+#endif // QX11PLATFORMPIXMAP_H