Lines Matching defs:x4
632 const double x4, const double y4,
659 double x34 = (x3 + x4) / 2;
671 double dx = x4-x1;
674 double d2 = fabs(((x2 - x4) * dy - (y2 - y4) * dx));
675 double d3 = fabs(((x3 - x4) * dy - (y3 - y4) * dx));
688 d3 = calc_sq_distance(x4, y4, x3, y3);
706 else if(d2 >= 1) d2 = calc_sq_distance(x2, y2, x4, y4);
710 else if(d3 >= 1) d3 = calc_sq_distance(x3, y3, x4, y4);
744 da1 = fabs(atan2(y4 - y3, x4 - x3) - atan2(y3 - y2, x3 - x2));
817 da2 = fabs(atan2(y4 - y3, x4 - x3) - k);
850 recursive_bezier4(x1234, y1234, x234, y234, x34, y34, x4, y4, m_points, level + 1);