diff options
Diffstat (limited to 'third_party/agg23/agg_vcgen_stroke.h')
| -rw-r--r-- | third_party/agg23/agg_vcgen_stroke.h | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/third_party/agg23/agg_vcgen_stroke.h b/third_party/agg23/agg_vcgen_stroke.h new file mode 100644 index 0000000000..84fadd6ed8 --- /dev/null +++ b/third_party/agg23/agg_vcgen_stroke.h @@ -0,0 +1,120 @@ + +//---------------------------------------------------------------------------- +// 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 |