1 files changed, 96 insertions, 0 deletions
diff --git a/vcl/unx/generic/gdi/cairo_xlib_cairo.hxx b/vcl/unx/generic/gdi/cairo_xlib_cairo.hxx
new file mode 100644
index 000000000..c44fde437
--- /dev/null
+++ b/vcl/unx/generic/gdi/cairo_xlib_cairo.hxx
@@ -0,0 +1,96 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#pragma once
+
+#include <sal/config.h>
+#include <vcl/cairo.hxx>
+#include <vcl/salgtype.hxx>
+
+struct BitmapSystemData;
+class SalFrame;
+struct SystemEnvData;
+struct SystemGraphicsData;
+
+namespace cairo {
+
+    /// Holds all X11-output relevant data
+    struct X11SysData
+    {
+        X11SysData();
+        explicit X11SysData( const SystemGraphicsData& );
+        explicit X11SysData( const SystemEnvData&, const SalFrame* pReference );
+
+        void*   pDisplay;       // the relevant display connection
+        Drawable hDrawable;     // a drawable
+        void*   pVisual;        // the visual in use
+        int nScreen;        // the current screen of the drawable
+        void*   pRenderFormat;  // render format for drawable
+    };
+
+    /// RAII wrapper for a pixmap
+    struct X11Pixmap
+    {
+        void* mpDisplay;  // the relevant display connection
+        Pixmap  mhDrawable; // a drawable
+
+        X11Pixmap( Pixmap hDrawable, void* pDisplay ) :
+            mpDisplay(pDisplay),
+            mhDrawable(hDrawable)
+        {}
+
+        ~X11Pixmap();
+    };
+
+    typedef std::shared_ptr<X11Pixmap>       X11PixmapSharedPtr;
+
+    class X11Surface : public Surface
+    {
+        const X11SysData      maSysData;
+        X11PixmapSharedPtr    mpPixmap;
+        CairoSurfaceSharedPtr mpSurface;
+
+        X11Surface( const X11SysData& rSysData, const X11PixmapSharedPtr& rPixmap, const CairoSurfaceSharedPtr& pSurface );
+
+    public:
+        /// takes over ownership of passed cairo_surface
+        explicit X11Surface( const CairoSurfaceSharedPtr& pSurface );
+        /// create surface on subarea of given drawable
+        X11Surface( const X11SysData& rSysData, int x, int y, int width, int height );
+        /// create surface for given bitmap data
+        X11Surface( const X11SysData& rSysData, const BitmapSystemData& rBmpData );
+
+        // Surface interface
+        virtual CairoSharedPtr getCairo() const override;
+        virtual CairoSurfaceSharedPtr getCairoSurface() const override { return mpSurface; }
+        virtual SurfaceSharedPtr getSimilar(int cairo_content_type, int width, int height) const override;
+
+        virtual VclPtr<VirtualDevice> createVirtualDevice() const override;
+
+        virtual bool Resize( int width, int height ) override;
+
+        virtual void flush() const override;
+
+        int getDepth() const;
+        DeviceFormat getFormat() const;
+        const X11PixmapSharedPtr& getPixmap() const { return mpPixmap; }
+    };
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */