Lines Matching defs:y1
60 trans_perspective(double x1, double y1, double x2, double y2,
65 double x1, double y1, double x2, double y2);
72 // x1,y1, x2,y2, x3,y3, x4,y4
75 bool rect_to_quad(double x1, double y1,
80 double x1, double y1,
382 inline bool trans_perspective::rect_to_quad(double x1, double y1,
389 r[1] = r[3] = y1;
396 double x1, double y1,
402 r[1] = r[3] = y1;
408 inline trans_perspective::trans_perspective(double x1, double y1,
412 rect_to_quad(x1, y1, x2, y2, quad);
417 double x1, double y1,
420 quad_to_rect(quad, x1, y1, x2, y2);
691 double y1 = 0.0;
694 transform(&x1, &y1);
696 return std::atan2(y2-y1, x2-x1);
710 double y1 = 0.0;
715 t.transform(&x1, &y1);
718 *y = y2 - y1;