108 lines
3.5 KiB
C++
108 lines
3.5 KiB
C++
//----------------------------------------------------------------------------
|
|
// Anti-Grain Geometry - Version 2.4
|
|
// 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
|
|
{
|
|
|
|
//============================================================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_bvector<point_d, 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(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 path_id);
|
|
unsigned vertex(double* x, double* y);
|
|
|
|
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;
|
|
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
|