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121 lines
3.0 KiB
121 lines
3.0 KiB
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//----------------------------------------------------------------------------
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// Anti-Grain Geometry - Version 2.3
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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_STROKE_INCLUDED
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#define AGG_VCGEN_STROKE_INCLUDED
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#include "agg_math_stroke.h"
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namespace agg
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{
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class vcgen_stroke
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{
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enum status_e {
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initial,
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ready,
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cap1,
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cap2,
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outline1,
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close_first,
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outline2,
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out_vertices,
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end_poly1,
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end_poly2,
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stop
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};
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public:
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typedef vertex_sequence<vertex_dist_cmd, 6> vertex_storage;
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typedef pod_deque<point_type, 6> coord_storage;
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vcgen_stroke();
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void line_cap(line_cap_e lc)
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{
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m_line_cap = lc;
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}
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void line_join(line_join_e lj)
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{
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m_line_join = lj;
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}
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void inner_join(inner_join_e ij)
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{
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m_inner_join = ij;
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}
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line_cap_e line_cap() const
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{
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return m_line_cap;
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}
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line_join_e line_join() const
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{
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return m_line_join;
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}
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inner_join_e inner_join() const
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{
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return m_inner_join;
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}
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void width(float w)
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{
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m_width = w / 2;
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}
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void miter_limit(float ml)
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{
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m_miter_limit = ml;
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}
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void miter_limit_theta(float t);
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void inner_miter_limit(float ml)
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{
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m_inner_miter_limit = ml;
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}
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void approximation_scale(float as)
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{
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m_approx_scale = as;
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}
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float width() const
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{
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return m_width * 2;
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}
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float miter_limit() const
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{
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return m_miter_limit;
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}
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float inner_miter_limit() const
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{
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return m_inner_miter_limit;
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}
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float approximation_scale() const
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{
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return m_approx_scale;
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}
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void remove_all();
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void add_vertex(float x, float y, unsigned cmd);
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void rewind(unsigned path_id);
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unsigned vertex(float* x, float* y);
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private:
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vcgen_stroke(const vcgen_stroke&);
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const vcgen_stroke& operator = (const vcgen_stroke&);
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vertex_storage m_src_vertices;
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coord_storage m_out_vertices;
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float m_width;
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float m_miter_limit;
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float m_inner_miter_limit;
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float m_approx_scale;
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line_cap_e m_line_cap;
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line_join_e m_line_join;
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inner_join_e m_inner_join;
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unsigned m_closed;
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status_e m_status;
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status_e m_prev_status;
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unsigned m_src_vertex;
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unsigned m_out_vertex;
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};
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}
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#endif
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