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53 lines
1.7 KiB
C++
53 lines
1.7 KiB
C++
//----------------------------------------------------------------------------
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// Anti-Grain Geometry - Version 2.4
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// Copyright (C) 2002-2005 Maxim Shemanarev (http://www.antigrain.com)
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//
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// Permission to copy, use, modify, sell and distribute this software
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// is granted provided this copyright notice appears in all copies.
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// This software is provided "as is" without express or implied
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// warranty, and with no claim as to its suitability for any purpose.
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//
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//----------------------------------------------------------------------------
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// Contact: mcseem@antigrain.com
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// mcseemagg@yahoo.com
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// http://www.antigrain.com
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//----------------------------------------------------------------------------
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#ifndef AGG_CONV_UNCLOSE_POLYGON_INCLUDED
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#define AGG_CONV_UNCLOSE_POLYGON_INCLUDED
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#include "agg_basics.h"
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namespace agg
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{
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//====================================================conv_unclose_polygon
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template<class VertexSource> class conv_unclose_polygon
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{
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public:
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explicit conv_unclose_polygon(VertexSource& vs) : m_source(&vs) {}
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void attach(VertexSource& source) { m_source = &source; }
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void rewind(unsigned path_id)
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{
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m_source->rewind(path_id);
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}
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unsigned vertex(double* x, double* y)
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{
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unsigned cmd = m_source->vertex(x, y);
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if(is_end_poly(cmd)) cmd &= ~path_flags_close;
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return cmd;
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}
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private:
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conv_unclose_polygon(const conv_unclose_polygon<VertexSource>&);
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const conv_unclose_polygon<VertexSource>&
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operator = (const conv_unclose_polygon<VertexSource>&);
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VertexSource* m_source;
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};
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}
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#endif
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