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-rwxr-xr-xagg/inc/agg_conv_unclose_polygon.h59
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diff --git a/agg/inc/agg_conv_unclose_polygon.h b/agg/inc/agg_conv_unclose_polygon.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_CONV_UNCLOSE_POLYGON_INCLUDED
+#define AGG_CONV_UNCLOSE_POLYGON_INCLUDED
+
+#include "agg_basics.h"
+#include "agg_vertex_iterator.h"
+
+namespace agg
+{
+ //====================================================conv_unclose_polygon
+ template<class VertexSource> class conv_unclose_polygon
+ {
+ public:
+ conv_unclose_polygon(VertexSource& vs) : m_source(&vs) {}
+
+ void set_source(VertexSource& source) { m_source = &source; }
+
+ void rewind(unsigned path_id)
+ {
+ m_source->rewind(path_id);
+ }
+
+ unsigned vertex(double* x, double* y)
+ {
+ unsigned cmd = m_source->vertex(x, y);
+ if(is_end_poly(cmd)) cmd &= ~path_flags_close;
+ return cmd;
+ }
+
+ typedef conv_unclose_polygon<VertexSource> source_type;
+ typedef vertex_iterator<source_type> iterator;
+ iterator begin(unsigned id) { return iterator(*this, id); }
+ iterator end() { return iterator(path_cmd_stop); }
+
+ private:
+ conv_unclose_polygon(const conv_unclose_polygon<VertexSource>&);
+ const conv_unclose_polygon<VertexSource>&
+ operator = (const conv_unclose_polygon<VertexSource>&);
+
+ VertexSource* m_source;
+ };
+
+}
+
+#endif