1 files changed, 69 insertions, 0 deletions
diff --git a/include/vcl/cairo.hxx b/include/vcl/cairo.hxx
new file mode 100644
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+++ b/include/vcl/cairo.hxx
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+/* -*- 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 .
+ */
+
+#ifndef INCLUDED_VCL_CAIRO_HXX
+#define INCLUDED_VCL_CAIRO_HXX
+
+#include <sal/config.h>
+#include <vcl/vclptr.hxx>
+#include <memory>
+
+typedef struct _cairo_surface cairo_surface_t;
+typedef struct _cairo cairo_t;
+
+class VirtualDevice;
+
+namespace cairo {
+
+    typedef std::shared_ptr<cairo_surface_t> CairoSurfaceSharedPtr;
+    typedef std::shared_ptr<cairo_t>         CairoSharedPtr;
+    struct Surface;
+    typedef std::shared_ptr<Surface>         SurfaceSharedPtr;
+
+    /** Cairo surface interface
+
+        For each cairo-supported platform, there's an implementation of
+        this interface
+     */
+    struct Surface
+    {
+    public:
+        virtual ~Surface() {}
+
+        // Query methods
+        virtual CairoSharedPtr getCairo() const = 0;
+        virtual CairoSurfaceSharedPtr getCairoSurface() const = 0;
+        virtual SurfaceSharedPtr getSimilar(int cairo_content_type, int width, int height) const = 0;
+
+        /// factory for VirDev on this surface
+        virtual VclPtr<VirtualDevice> createVirtualDevice() const = 0;
+
+        /// Resize the surface (possibly destroying content), only possible for X11 typically
+        /// so on failure caller must create a new surface instead
+        virtual bool Resize( int /*width*/, int /*height*/ ) { return false; }
+
+        /// Flush all pending output to surface
+        virtual void flush() const = 0;
+    };
+
+}
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */