agg/src/agg_curves.cpp

46                           double x3, double y3)
51         m_end_y   = y3;
56         double dy2 = y3 - y2;
71         double tmpy = (y1 - y2 * 2.0 + y3) * subdivide_step2;
131                           double x3, double y3)
136         bezier(x1, y1, x2, y2, x3, y3);
143                                       double x3, double y3,
156         double y23   = (y2 + y3) / 2;
161         double dy = y3-y1;
162         double d = fabs(((x2 - x3) * dy - (y2 - y3) * dx));
182                 da = fabs(atan2(y3 - y2, x3 - x2) - atan2(y2 - y1, x2 - x1));
213                 else if(d >= 1) d = calc_sq_distance(x2, y2, x3, y3);
226         recursive_bezier(x123, y123, x23, y23, x3, y3, level + 1);
232                             double x3, double y3)
235         recursive_bezier(x1, y1, x2, y2, x3, y3, 0);
236         m_points.add(point_d(x3, y3));
263                           double x3, double y3,
274         double dy2 = y3 - y2;
276         double dy3 = y4 - y3;
303         double tmp1y = y1 - y2 * 2.0 + y3;
306         double tmp2y = (y2 - y3) * 3.0 - y1 + y4;
379                           double x3, double y3,
385         bezier(x1, y1, x2, y2, x3, y3, x4, y4);
392                                       double x3, double y3,
406         double y23   = (y2 + y3) / 2;
408         double y34   = (y3 + y4) / 2;
423         double d3 = fabs(((x3 - x4) * dy - (y3 - y4) * dx));
436                 d3 = calc_sq_distance(x4, y4, x3, y3);
445                 da2 = y3 - y1;
457                      if(d3 <= 0) d3 = calc_sq_distance(x3, y3, x1, y1);
458                 else if(d3 >= 1) d3 = calc_sq_distance(x3, y3, x4, y4);
459                 else             d3 = calc_sq_distance(x3, y3, x1 + d3*dx, y1 + d3*dy);
473                     m_points.add(point_d(x3, y3));
492                 da1 = fabs(atan2(y4 - y3, x4 - x3) - atan2(y3 - y2, x3 - x2));
498                     m_points.add(point_d(x3, y3));
506                         m_points.add(point_d(x3, y3));
526                 da1 = fabs(atan2(y3 - y2, x3 - x2) - atan2(y2 - y1, x2 - x1));
532                     m_points.add(point_d(x3, y3));
563                 k   = atan2(y3 - y2, x3 - x2);
565                 da2 = fabs(atan2(y4 - y3, x4 - x3) - k);
587                         m_points.add(point_d(x3, y3));
604                             double x3, double y3,
608         recursive_bezier(x1, y1, x2, y2, x3, y3, x4, y4, 0);