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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_GENERATOR_INCLUDED
+#define AGG_SPAN_GENERATOR_INCLUDED
+
+#include "agg_basics.h"
+#include "agg_span_allocator.h"
+
+namespace agg
+{
+
+ //==========================================================span_generator
+ template<class ColorT, class Allocator> class span_generator
+ {
+ public:
+ typedef ColorT color_type;
+ typedef Allocator alloc_type;
+
+ //--------------------------------------------------------------------
+ span_generator(alloc_type& alloc) : m_alloc(&alloc) {}
+
+ //--------------------------------------------------------------------
+ void allocator(alloc_type& alloc) { m_alloc = &alloc; }
+ alloc_type& allocator() { return *m_alloc; }
+
+ //--------------------------------------------------------------------
+ void prepare(unsigned max_span_len)
+ {
+ m_alloc->allocate(max_span_len);
+ }
+
+ private:
+ alloc_type* m_alloc;
+ };
+}
+
+#endif