--- /dev/null
+// Copyright (C) 2006 Erik Dahlberg
+//
+// This file is part of LSystem3d.
+//
+// LSystem3D 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.
+//
+// LSystem3D 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 LSystem3D; if not, write to the Free Software
+// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+
+
+
+
+#ifndef MODEL_H
+#define MODEL_H
+
+#include <GL/gl.h>
+
+
+
+/**
+ * The generated l-system model
+ * TODO: inheritance, i.e. Model<-OpenGLModel/WireModel/...?
+ */
+class Model
+{
+public:
+ /**
+ * Constructor
+ */
+ Model();
+
+ /**
+ * Destructor
+ */
+ ~Model();
+
+ /**
+ * Connect two points
+ * @param diameter diameter of segment
+ * @param x1 x start point
+ * @param y1 y start point
+ * @param z1 z start point
+ * @param x2 x end point
+ * @param y2 y end point
+ * @param z2 z end point
+ */
+ void segment(double diameter, double x1, double y1, double z1, double x2, double y2, double z2);
+
+ /**
+ * Draw model to screen
+ */
+ void draw();
+
+ /**
+ * Clear the model
+ */
+ void clear();
+
+ /**
+ * Start recording of drawing operations
+ */
+ void begin();
+
+ /**
+ * Stop recording of drawing operations
+ */
+ void end();
+
+ /**
+ * Begin creation of a filled surface
+ */
+ void fillBegin();
+
+ /**
+ * End creation of a filled surface
+ */
+ void fillEnd();
+
+ /**
+ * Create one vertex in the filled surface
+ * @param x x-coordinate
+ * @param y y-coordinate
+ * @param z z-coordinate
+ */
+ void point(double x, double y, double z);
+
+protected:
+
+ GLuint _displayList; // all drawing operations
+};
+
+
+
+#endif