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Diffstat (limited to 'agg/inc/agg_vcgen_bspline.h')
-rwxr-xr-x | agg/inc/agg_vcgen_bspline.h | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/agg/inc/agg_vcgen_bspline.h b/agg/inc/agg_vcgen_bspline.h new file mode 100755 index 000000000000..7490a50a6764 --- /dev/null +++ b/agg/inc/agg_vcgen_bspline.h @@ -0,0 +1,74 @@ +//---------------------------------------------------------------------------- +// 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_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_deque<point_type, 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 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 + |