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102 lines
3.5 KiB
102 lines
3.5 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_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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//============================================================vcgen_stroke |
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// |
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// See Implementation agg_vcgen_stroke.cpp |
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// Stroke generator |
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// |
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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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{ |
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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, 6> vertex_storage; |
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typedef pod_bvector<point_d, 6> coord_storage; |
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vcgen_stroke(); |
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void line_cap(line_cap_e lc) { m_stroker.line_cap(lc); } |
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void line_join(line_join_e lj) { m_stroker.line_join(lj); } |
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void inner_join(inner_join_e ij) { m_stroker.inner_join(ij); } |
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line_cap_e line_cap() const { return m_stroker.line_cap(); } |
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line_join_e line_join() const { return m_stroker.line_join(); } |
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inner_join_e inner_join() const { return m_stroker.inner_join(); } |
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void width(double w) { m_stroker.width(w); } |
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void miter_limit(double ml) { m_stroker.miter_limit(ml); } |
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void miter_limit_theta(double t) { m_stroker.miter_limit_theta(t); } |
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void inner_miter_limit(double ml) { m_stroker.inner_miter_limit(ml); } |
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void approximation_scale(double as) { m_stroker.approximation_scale(as); } |
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double width() const { return m_stroker.width(); } |
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double miter_limit() const { return m_stroker.miter_limit(); } |
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double inner_miter_limit() const { return m_stroker.inner_miter_limit(); } |
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double approximation_scale() const { return m_stroker.approximation_scale(); } |
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void shorten(double s) { m_shorten = s; } |
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double shorten() const { return m_shorten; } |
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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_stroke(const vcgen_stroke&); |
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const vcgen_stroke& operator = (const vcgen_stroke&); |
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math_stroke<coord_storage> m_stroker; |
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vertex_storage m_src_vertices; |
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coord_storage m_out_vertices; |
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double m_shorten; |
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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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