1 files changed, 60 insertions, 0 deletions
diff --git a/include/cppcanvas/bitmapcanvas.hxx b/include/cppcanvas/bitmapcanvas.hxx
new file mode 100644
index 000000000000..620182a14e45
--- /dev/null
+++ b/include/cppcanvas/bitmapcanvas.hxx
@@ -0,0 +1,60 @@
+/* -*- 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 _CPPCANVAS_BITMAPCANVAS_HXX
+#define _CPPCANVAS_BITMAPCANVAS_HXX
+
+#include <sal/types.h>
+#include <osl/diagnose.h>
+
+#include <boost/shared_ptr.hpp>
+#include <basegfx/vector/b2isize.hxx>
+#include <cppcanvas/canvas.hxx>
+
+
+/* Definition of BitmapCanvas */
+
+namespace cppcanvas
+{
+    class BitmapCanvas;
+
+    // forward declaration, since cloneBitmapCanvas() also references BitmapCanvas
+    typedef ::boost::shared_ptr< BitmapCanvas > BitmapCanvasSharedPtr;
+
+    /** BitmapCanvas interface
+     */
+    class BitmapCanvas : public virtual Canvas
+    {
+    public:
+        virtual ::basegfx::B2ISize      getSize() const = 0;
+
+        // shared_ptr does not allow for covariant return types
+        BitmapCanvasSharedPtr           cloneBitmapCanvas() const
+        {
+            BitmapCanvasSharedPtr p( ::boost::dynamic_pointer_cast< BitmapCanvas >(this->clone()) );
+            OSL_ENSURE(p.get(), "BitmapCanvas::cloneBitmapCanvas(): dynamic cast failed");
+            return p;
+        }
+    };
+
+}
+
+#endif /* _CPPCANVAS_BITMAPCANVAS_HXX */
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */