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diff --git a/agg/inc/agg_span_allocator.h b/agg/inc/agg_span_allocator.h
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+//----------------------------------------------------------------------------
+// Anti-Grain Geometry - Version 2.3
+// Copyright (C) 2002-2005 Maxim Shemanarev (http://www.antigrain.com)
+//
+// Permission to copy, use, modify, sell and distribute this software
+// is granted provided this copyright notice appears in all copies.
+// This software is provided "as is" without express or implied
+// warranty, and with no claim as to its suitability for any purpose.
+//
+//----------------------------------------------------------------------------
+// Contact: mcseem@antigrain.com
+// mcseemagg@yahoo.com
+// http://www.antigrain.com
+//----------------------------------------------------------------------------
+
+#ifndef AGG_SPAN_ALLOCATOR_INCLUDED
+#define AGG_SPAN_ALLOCATOR_INCLUDED
+
+#include "agg_basics.h"
+
+namespace agg
+{
+ //----------------------------------------------------------span_allocator
+ template<class ColorT> class span_allocator
+ {
+ public:
+ typedef ColorT color_type;
+
+ //--------------------------------------------------------------------
+ ~span_allocator()
+ {
+ delete [] m_span;
+ }
+
+ //--------------------------------------------------------------------
+ span_allocator() :
+ m_max_span_len(0),
+ m_span(0)
+ {
+ }
+
+ //--------------------------------------------------------------------
+ color_type* allocate(unsigned max_span_len)
+ {
+ if(max_span_len > m_max_span_len)
+ {
+ delete [] m_span;
+ m_span = new color_type[m_max_span_len = max_span_len];
+ }
+ return m_span;
+ }
+
+ //--------------------------------------------------------------------
+ color_type* span()
+ {
+ return m_span;
+ }
+
+ private:
+ //--------------------------------------------------------------------
+ span_allocator(const span_allocator<ColorT>&);
+ const span_allocator<ColorT>& operator = (const span_allocator<ColorT>&);
+
+ unsigned m_max_span_len;
+ color_type* m_span;
+ };
+}
+
+
+#endif
+
+