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74 lines
2.1 KiB
74 lines
2.1 KiB
//---------------------------------------------------------------------------- |
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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_VCGEN_BSPLINE_INCLUDED |
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#define AGG_VCGEN_BSPLINE_INCLUDED |
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#include "agg_basics.h" |
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#include "agg_array.h" |
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#include "agg_bspline.h" |
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namespace agg |
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{ |
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//==========================================================vcgen_bspline |
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class vcgen_bspline |
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{ |
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enum status_e |
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{ |
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initial, |
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ready, |
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polygon, |
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end_poly, |
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stop |
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}; |
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public: |
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typedef pod_bvector<point_d, 6> vertex_storage; |
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vcgen_bspline(); |
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void interpolation_step(double v) { m_interpolation_step = v; } |
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double interpolation_step() const { return m_interpolation_step; } |
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// Vertex Generator Interface |
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void remove_all(); |
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void add_vertex(double x, double y, unsigned cmd); |
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// Vertex Source Interface |
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void rewind(unsigned path_id); |
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unsigned vertex(double* x, double* y); |
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private: |
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vcgen_bspline(const vcgen_bspline&); |
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const vcgen_bspline& operator = (const vcgen_bspline&); |
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vertex_storage m_src_vertices; |
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bspline m_spline_x; |
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bspline m_spline_y; |
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double m_interpolation_step; |
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unsigned m_closed; |
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status_e m_status; |
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unsigned m_src_vertex; |
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double m_cur_abscissa; |
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double m_max_abscissa; |
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}; |
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} |
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#endif |
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