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authormaxim-yurchuk <maxim-yurchuk@yandex-team.com>2024-10-09 12:29:46 +0300
committermaxim-yurchuk <maxim-yurchuk@yandex-team.com>2024-10-09 13:14:22 +0300
commit9731d8a4bb7ee2cc8554eaf133bb85498a4c7d80 (patch)
treea8fb3181d5947c0d78cf402aa56e686130179049 /contrib/python/matplotlib/py2/extern/agg24-svn/include/agg_vcgen_bspline.h
parenta44b779cd359f06c3ebbef4ec98c6b38609d9d85 (diff)
downloadydb-9731d8a4bb7ee2cc8554eaf133bb85498a4c7d80.tar.gz
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<HIDDEN_URL> commit_hash:c82a80ac4594723cebf2c7387dec9c60217f603e
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diff --git a/contrib/python/matplotlib/py2/extern/agg24-svn/include/agg_vcgen_bspline.h b/contrib/python/matplotlib/py2/extern/agg24-svn/include/agg_vcgen_bspline.h
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+//----------------------------------------------------------------------------
+// Anti-Grain Geometry - Version 2.4
+// 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_VCGEN_BSPLINE_INCLUDED
+#define AGG_VCGEN_BSPLINE_INCLUDED
+
+#include "agg_basics.h"
+#include "agg_array.h"
+#include "agg_bspline.h"
+
+
+namespace agg
+{
+
+ //==========================================================vcgen_bspline
+ class vcgen_bspline
+ {
+ enum status_e
+ {
+ initial,
+ ready,
+ polygon,
+ end_poly,
+ stop
+ };
+
+ public:
+ typedef pod_bvector<point_d, 6> vertex_storage;
+
+ vcgen_bspline();
+
+ void interpolation_step(double v) { m_interpolation_step = v; }
+ double interpolation_step() const { return m_interpolation_step; }
+
+ // Vertex Generator Interface
+ void remove_all();
+ void add_vertex(double x, double y, unsigned cmd);
+
+ // Vertex Source Interface
+ void rewind(unsigned path_id);
+ unsigned vertex(double* x, double* y);
+
+ private:
+ vcgen_bspline(const vcgen_bspline&);
+ const vcgen_bspline& operator = (const vcgen_bspline&);
+
+ vertex_storage m_src_vertices;
+ bspline m_spline_x;
+ bspline m_spline_y;
+ double m_interpolation_step;
+ unsigned m_closed;
+ status_e m_status;
+ unsigned m_src_vertex;
+ double m_cur_abscissa;
+ double m_max_abscissa;
+ };
+
+}
+
+
+#endif
+