1 files changed, 46 insertions, 0 deletions
diff --git a/vcl/unx/gtk3/gtkcairo.hxx b/vcl/unx/gtk3/gtkcairo.hxx
new file mode 100644
index 0000000000..c5912181fc
--- /dev/null
+++ b/vcl/unx/gtk3/gtkcairo.hxx
@@ -0,0 +1,46 @@
+/* -*- 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/.
+ */
+
+#pragma once
+
+#include <sal/config.h>
+
+#include <vcl/cairo.hxx>
+
+class GtkSalGraphics;
+class OutputDevice;
+
+namespace cairo {
+
+    class Gtk3Surface : public Surface
+    {
+        const GtkSalGraphics* mpGraphics;
+        cairo_t* cr;
+        CairoSurfaceSharedPtr mpSurface;
+    public:
+        /// takes over ownership of passed cairo_surface
+        explicit Gtk3Surface(CairoSurfaceSharedPtr pSurface);
+        /// create surface on subarea of given drawable
+        explicit Gtk3Surface(const GtkSalGraphics* pGraphics, int x, int y, int width, int height);
+
+        // Surface interface
+        virtual CairoSharedPtr getCairo() const override;
+        virtual CairoSurfaceSharedPtr getCairoSurface() const override { return mpSurface; }
+        virtual SurfaceSharedPtr getSimilar(int nContentType, int width, int height) const override;
+
+        virtual VclPtr<VirtualDevice> createVirtualDevice() const override;
+
+        virtual void flush() const override;
+
+        virtual ~Gtk3Surface() override;
+    };
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */