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