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-rwxr-xr-xagg/inc/agg_vcgen_dash.h99
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diff --git a/agg/inc/agg_vcgen_dash.h b/agg/inc/agg_vcgen_dash.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
+//----------------------------------------------------------------------------
+//
+// Line dash generator
+//
+//----------------------------------------------------------------------------
+#ifndef AGG_VCGEN_DASH_INCLUDED
+#define AGG_VCGEN_DASH_INCLUDED
+
+#include "agg_basics.h"
+#include "agg_vertex_sequence.h"
+#include "agg_vertex_iterator.h"
+
+namespace agg
+{
+
+ //---------------------------------------------------------------vcgen_dash
+ //
+ // See Implementation agg_vcgen_dash.cpp
+ //
+ class vcgen_dash
+ {
+ enum
+ {
+ max_dashes = 32
+ };
+
+ enum status_e
+ {
+ initial,
+ ready,
+ polyline,
+ stop
+ };
+
+ public:
+ typedef vertex_sequence<vertex_dist, 6> vertex_storage;
+
+ vcgen_dash();
+
+ void remove_all_dashes();
+ void add_dash(double dash_len, double gap_len);
+ void dash_start(double ds);
+
+ void shorten(double s) { m_shorten = s; }
+ double shorten() const { return m_shorten; }
+
+ // Vertex Generator Interface
+ void remove_all();
+ void add_vertex(double x, double y, unsigned cmd);
+
+ // Vertex Source Interface
+ void rewind(unsigned id);
+ unsigned vertex(double* x, double* y);
+
+ typedef vcgen_dash source_type;
+ typedef vertex_iterator<source_type> iterator;
+ iterator begin(unsigned id) { return iterator(*this, id); }
+ iterator end() { return iterator(path_cmd_stop); }
+
+ private:
+ vcgen_dash(const vcgen_dash&);
+ const vcgen_dash& operator = (const vcgen_dash&);
+
+ void calc_dash_start(double ds);
+
+ double m_dashes[max_dashes];
+ double m_total_dash_len;
+ unsigned m_num_dashes;
+ double m_dash_start;
+ double m_shorten;
+ double m_curr_dash_start;
+ unsigned m_curr_dash;
+ double m_curr_rest;
+ const vertex_dist* m_v1;
+ const vertex_dist* m_v2;
+
+ vertex_storage m_src_vertices;
+ unsigned m_closed;
+ status_e m_status;
+ unsigned m_src_vertex;
+ };
+
+
+}
+
+#endif