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Diffstat (limited to 'agg/inc/agg_vcgen_stroke.h')
-rwxr-xr-x | agg/inc/agg_vcgen_stroke.h | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/agg/inc/agg_vcgen_stroke.h b/agg/inc/agg_vcgen_stroke.h new file mode 100755 index 000000000000..a73509acf3d9 --- /dev/null +++ b/agg/inc/agg_vcgen_stroke.h @@ -0,0 +1,114 @@ +//---------------------------------------------------------------------------- +// 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" +#include "agg_vertex_iterator.h" + + +namespace agg +{ + + //============================================================vcgen_stroke + // + // See Implementation agg_vcgen_stroke.cpp + // Stroke generator + // + //------------------------------------------------------------------------ + 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, 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_line_join(line_join_e lj) { m_inner_line_join = lj; } + + line_cap_e line_cap() const { return m_line_cap; } + line_join_e line_join() const { return m_line_join; } + line_join_e inner_line_join() const { return m_inner_line_join; } + + void width(double w) { m_width = w * 0.5; } + void miter_limit(double ml) { m_miter_limit = ml; } + void miter_limit_theta(double t); + void inner_miter_limit(double ml) { m_inner_miter_limit = ml; } + void approximation_scale(double as) { m_approx_scale = as; } + + double width() const { return m_width * 2.0; } + double miter_limit() const { return m_miter_limit; } + double inner_miter_limit() const { return m_inner_miter_limit; } + double approximation_scale() const { return m_approx_scale; } + + void shorten(double s) { m_shorten = s; } + double shorten() const { return m_shorten; } + + // Vertex Generator Interface + void remove_all(); + void add_vertex(double x, double y, unsigned cmd); + + // Vertex Source Interface + void rewind(unsigned id); + unsigned vertex(double* x, double* y); + + typedef vcgen_stroke source_type; + typedef vertex_iterator<source_type> iterator; + iterator begin(unsigned id) { return iterator(*this, id); } + iterator end() { return iterator(path_cmd_stop); } + + private: + vcgen_stroke(const vcgen_stroke&); + const vcgen_stroke& operator = (const vcgen_stroke&); + + vertex_storage m_src_vertices; + coord_storage m_out_vertices; + double m_width; + double m_miter_limit; + double m_inner_miter_limit; + double m_approx_scale; + double m_shorten; + line_cap_e m_line_cap; + line_join_e m_line_join; + line_join_e m_inner_line_join; + unsigned m_closed; + status_e m_status; + status_e m_prev_status; + unsigned m_src_vertex; + unsigned m_out_vertex; + }; + + +} + +#endif |