chromium/third_party/pdfium/third_party/agg23/agg_math_stroke.h

//----------------------------------------------------------------------------
// 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: [email protected]
//          [email protected]
//          http://www.antigrain.com
//----------------------------------------------------------------------------
//
// Stroke math
//
//----------------------------------------------------------------------------
#ifndef AGG_STROKE_MATH_INCLUDED
#define AGG_STROKE_MATH_INCLUDED
#include "agg_math.h"
#include "agg_vertex_sequence.h"
namespace pdfium
{
namespace agg
{
enum line_cap_e { … };
enum line_join_e { … };
enum inner_join_e { … };
const float stroke_theta = …;
template<class VertexConsumer>
void stroke_calc_arc(VertexConsumer& out_vertices,
                     float x,   float y,
                     float dx1, float dy1,
                     float dx2, float dy2,
                     float width,
                     float approximation_scale)
{ … }
template<class VertexConsumer>
void stroke_calc_miter(VertexConsumer& out_vertices,
                       const vertex_dist& v0,
                       const vertex_dist& v1,
                       const vertex_dist& v2,
                       float dx1, float dy1,
                       float dx2, float dy2,
                       float width,
                       line_join_e line_join,
                       float miter_limit,
                       float approximation_scale)
{ … }
template<class VertexConsumer>
void stroke_calc_cap(VertexConsumer& out_vertices,
                     const vertex_dist& v0,
                     const vertex_dist& v1,
                     float len,
                     line_cap_e line_cap,
                     float width,
                     float approximation_scale)
{ … }
template<class VertexConsumer>
void stroke_calc_join(VertexConsumer& out_vertices,
                      const vertex_dist& v0,
                      const vertex_dist& v1,
                      const vertex_dist& v2,
                      float len1,
                      float len2,
                      float width,
                      line_join_e line_join,
                      inner_join_e inner_join,
                      float miter_limit,
                      float inner_miter_limit,
                      float approximation_scale)
{ … }
}
}  // namespace pdfium
#endif