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+// Owner Drawn Gauge helper class
+//
+// Moved to SimGear by Thomas Geymayer - October 2012
+//
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of the GNU General Public License as
+// published by the Free Software Foundation; either version 2 of the
+// License, or (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful, but
+// WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+// General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+//
+//
+
+#ifndef _OD_GAUGE_HXX
+#define _OD_GAUGE_HXX
+
+#include <simgear/canvas/ODGauge.hxx>
+#include <simgear/canvas/CanvasPlacement.hxx>
+
+class SGPropertyNode;
+
+/**
+ * Owner Drawn Gauge helper class
+ */
+class FGODGauge:
+  public simgear::canvas::ODGauge
+{
+  public:
+    FGODGauge();
+    virtual ~FGODGauge();
+
+    /**
+     * Replace an opengl texture name inside a given branch of the scene graph.
+     * This is to replace a static texture by a dynamic one
+     *
+     * @param branch        Scene graph branch to use for search
+     * @param name          texture filename
+     * @param new_texture   dynamic texture to replace the old one
+     * @return A list of groups which override the given texture
+     */
+    static
+    simgear::canvas::Placements set_texture( osg::Node* branch,
+                                             const char * name,
+                                             osg::Texture2D* new_texture );
+
+    /**
+     * Replace an opengl texture name inside the aircraft scene graph.
+     * This is to replace a static texture by a dynamic one
+     *
+     * @param branch        Scene graph branch to search for matching
+     * @param name          texture filename
+     * @param new_texture   dynamic texture to replace the old one
+     * @return A list of groups which override the given texture
+     */
+    static
+    simgear::canvas::Placements
+    set_aircraft_texture( const char * name,
+                          osg::Texture2D* new_texture );
+
+    /**
+     * Replace an opengl texture name inside a given branch of the scene graph.
+     * This is to replace a static texture by a dynamic one. The replacement
+     * is base on certain filtering criteria which have to be stored in string
+     * value childs of the placement node. Recognized nodes are:
+     *   - texture  Match the name of the texture
+     *   - node     Match the name of the object
+     *   - parent   Match any of the object parents names (all the tree upwards)
+     *
+     * @param placement the node containing the replacement criteria
+     * @param new_texture dynamic texture to replace the old one
+     * @param an optional cull callback which will be installed on any matching
+     *        object
+     * @return A list of groups which override the given texture
+     */
+    static
+    simgear::canvas::Placements
+    set_texture( osg::Node* branch,
+                 SGPropertyNode* placement,
+                 osg::Texture2D* new_texture,
+                 osg::NodeCallback* cull_callback = 0,
+                 const simgear::canvas::CanvasWeakPtr& canvas =
+                   simgear::canvas::CanvasWeakPtr() );
+
+    /**
+     * Replace an opengl texture name inside the aircraft scene graph.
+     *
+     * @param placement the node containing the replacement criteria
+     * @param new_texture dynamic texture to replace the old one
+     * @param an optional cull callback which will be installed on any matching
+     *        object
+     * @return A list of groups which override the given texture
+     */
+    static
+    simgear::canvas::Placements
+    set_aircraft_texture( SGPropertyNode* placement,
+                          osg::Texture2D* new_texture,
+                          osg::NodeCallback* cull_callback = 0,
+                          const simgear::canvas::CanvasWeakPtr& canvas =
+                            simgear::canvas::CanvasWeakPtr() );
+
+};
+
+#endif // _OD_GAUGE_HXX