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diff --git a/src/ftgl/FTGL/FTBBox.h b/src/ftgl/FTGL/FTBBox.h
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+++ b/src/ftgl/FTGL/FTBBox.h
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+/*
+ * FTGL - OpenGL font library
+ *
+ * Copyright (c) 2001-2004 Henry Maddocks <ftgl@opengl.geek.nz>
+ * Copyright (c) 2008 Sam Hocevar <sam@zoy.org>
+ * Copyright (c) 2008 Sean Morrison <learner@brlcad.org>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef __ftgl__
+#   warning This header is deprecated. Please use <FTGL/ftgl.h> from now.
+#   include <FTGL/ftgl.h>
+#endif
+
+#ifndef __FTBBox__
+#define __FTBBox__
+
+#ifdef __cplusplus
+
+
+/**
+ * FTBBox is a convenience class for handling bounding boxes.
+ */
+class FTGL_EXPORT FTBBox
+{
+    public:
+        /**
+         * Default constructor. Bounding box is set to zero.
+         */
+        FTBBox()
+        :   lower(0.0f, 0.0f, 0.0f),
+            upper(0.0f, 0.0f, 0.0f)
+        {}
+
+        /**
+         * Constructor.
+         */
+        FTBBox(float lx, float ly, float lz, float ux, float uy, float uz)
+        :   lower(lx, ly, lz),
+            upper(ux, uy, uz)
+        {}
+
+        /**
+         * Constructor.
+         */
+        FTBBox(FTPoint l, FTPoint u)
+        :   lower(l),
+            upper(u)
+        {}
+
+        /**
+         * Constructor. Extracts a bounding box from a freetype glyph. Uses
+         * the control box for the glyph. <code>FT_Glyph_Get_CBox()</code>
+         *
+         * @param glyph A freetype glyph
+         */
+        FTBBox(FT_GlyphSlot glyph)
+        :   lower(0.0f, 0.0f, 0.0f),
+            upper(0.0f, 0.0f, 0.0f)
+        {
+            FT_BBox bbox;
+            FT_Outline_Get_CBox(&(glyph->outline), &bbox);
+
+            lower.X(static_cast<float>(bbox.xMin) / 64.0f);
+            lower.Y(static_cast<float>(bbox.yMin) / 64.0f);
+            lower.Z(0.0f);
+            upper.X(static_cast<float>(bbox.xMax) / 64.0f);
+            upper.Y(static_cast<float>(bbox.yMax) / 64.0f);
+            upper.Z(0.0f);
+        }
+
+        /**
+         * Destructor
+         */
+        ~FTBBox()
+        {}
+
+        /**
+         * Mark the bounds invalid by setting all lower dimensions greater
+         * than the upper dimensions.
+         */
+        void Invalidate()
+        {
+            lower = FTPoint(1.0f, 1.0f, 1.0f);
+            upper = FTPoint(-1.0f, -1.0f, -1.0f);
+        }
+
+        /**
+         * Determines if this bounding box is valid.
+         *
+         * @return True if all lower values are <= the corresponding
+         *         upper values.
+         */
+        bool IsValid()
+        {
+            return lower.X() <= upper.X()
+                && lower.Y() <= upper.Y()
+                && lower.Z() <= upper.Z();
+        }
+
+        /**
+         * Move the Bounding Box by a vector.
+         *
+         * @param vector  The vector to move the bbox in 3D space.
+         */
+        FTBBox& operator += (const FTPoint vector)
+        {
+            lower += vector;
+            upper += vector;
+
+            return *this;
+        }
+
+        /**
+         * Combine two bounding boxes. The result is the smallest bounding
+         * box containing the two original boxes.
+         *
+         * @param bbox  The bounding box to merge with the second one.
+         */
+        FTBBox& operator |= (const FTBBox& bbox)
+        {
+            if(bbox.lower.X() < lower.X()) lower.X(bbox.lower.X());
+            if(bbox.lower.Y() < lower.Y()) lower.Y(bbox.lower.Y());
+            if(bbox.lower.Z() < lower.Z()) lower.Z(bbox.lower.Z());
+            if(bbox.upper.X() > upper.X()) upper.X(bbox.upper.X());
+            if(bbox.upper.Y() > upper.Y()) upper.Y(bbox.upper.Y());
+            if(bbox.upper.Z() > upper.Z()) upper.Z(bbox.upper.Z());
+
+            return *this;
+        }
+
+        void SetDepth(float depth)
+        {
+            if(depth > 0)
+                upper.Z(lower.Z() + depth);
+            else
+                lower.Z(upper.Z() + depth);
+        }
+
+
+        inline FTPoint const Upper() const
+        {
+            return upper;
+        }
+
+
+        inline FTPoint const Lower() const
+        {
+            return lower;
+        }
+
+    private:
+        /**
+         * The bounds of the box
+         */
+        FTPoint lower, upper;
+};
+
+#endif //__cplusplus
+
+#endif  //  __FTBBox__
+