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36 lines
727 B
C
36 lines
727 B
C
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#ifndef __CANVAS_CURVE_H__
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#define __CANVAS_CURVE_H__
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#include "canvas/poly_item.h"
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namespace ArdourCanvas {
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class Curve : public PolyItem
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{
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public:
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Curve (Group *);
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void compute_bounding_box () const;
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void render (Rect const & area, Cairo::RefPtr<Cairo::Context>) const;
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void set (Points const &);
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protected:
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void render_path (Rect const &, Cairo::RefPtr<Cairo::Context>) const;
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void render_curve (Rect const &, Cairo::RefPtr<Cairo::Context>) const;
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private:
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Points first_control_points;
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Points second_control_points;
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static void compute_control_points (Points const &,
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Points&, Points&);
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static double* solve (std::vector<double> const&);
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};
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}
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#endif
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