libs/agg/agg_math_stroke.h

85                       const vertex_dist& v1,
90                        const vertex_dist& v1,
103                         const vertex_dist& v1,
205                                      const vertex_dist& v1,
212         double xi = v1.x;
213         double yi = v1.y;
217                              v1.x + dx1, v1.y - dy1,
218                              v1.x + dx2, v1.y - dy2,
224             double d1 = calc_distance(v1.x, v1.y, xi, yi);
239             // (v1.x, v1.y) -> (v1.x+dx1, v1.y-dy1), that is, the perpendicular
240             // to the line determined by vertices v0 and v1.
244             double x2 = v1.x + dx1;
245             double y2 = v1.y - dy1;
252                 out_vertices.add(coord_type(v1.x + dx1, v1.y - dy1));
268                 out_vertices.add(coord_type(v1.x + dx1, v1.y - dy1));
269                 out_vertices.add(coord_type(v1.x + dx2, v1.y - dy2));
273                 calc_arc(out_vertices, v1.x, v1.y, dx1, -dy1, dx2, -dy2);
280                 out_vertices.add(coord_type(v1.x + dx1 + dy1 * ml,
281                                             v1.y - dy1 + dx1 * ml));
282                 out_vertices.add(coord_type(v1.x + dx2 - dy2 * ml,
283                                             v1.y - dy2 - dx2 * ml));
293                                    const vertex_dist& v1,
298         double dx1 = (v1.y - v0.y) / len;
299         double dy1 = (v1.x - v0.x) / len;
355                                     const vertex_dist& v1,
363         dx1 = m_width * (v1.y - v0.y) / len1;
364         dy1 = m_width * (v1.x - v0.x) / len1;
366         dx2 = m_width * (v2.y - v1.y) / len2;
367         dy2 = m_width * (v2.x - v1.x) / len2;
371         double cp = cross_product(v0.x, v0.y, v1.x, v1.y, v2.x, v2.y);
385                 out_vertices.add(coord_type(v1.x + dx1, v1.y - dy1));
386                 out_vertices.add(coord_type(v1.x + dx2, v1.y - dy2));
391                            v0, v1, v2, dx1, dy1, dx2, dy2,
403                                    v0, v1, v2, dx1, dy1, dx2, dy2,
411                             out_vertices.add(coord_type(v1.x + dx1, v1.y - dy1));
412                             out_vertices.add(coord_type(v1.x,       v1.y      ));
413                             out_vertices.add(coord_type(v1.x + dx2, v1.y - dy2));
417                             out_vertices.add(coord_type(v1.x + dx1, v1.y - dy1));
418                             out_vertices.add(coord_type(v1.x,       v1.y      ));
419                             calc_arc(out_vertices, v1.x, v1.y, dx2, -dy2, dx1, -dy1);
420                             out_vertices.add(coord_type(v1.x,       v1.y      ));
421                             out_vertices.add(coord_type(v1.x + dx2, v1.y - dy2));
441                 // and then, the distance between v1 and this middle point.
444                 // v1 and its two bevel points. If the difference between this
467                            v0, v1, v2, dx1, dy1, dx2, dy2,
473                 calc_arc(out_vertices, v1.x, v1.y, dx1, -dy1, dx2, -dy2);
477                 out_vertices.add(coord_type(v1.x + dx1, v1.y - dy1));
478                 out_vertices.add(coord_type(v1.x + dx2, v1.y - dy2));