Lines Matching refs:y1
44 const trans_affine& trans_affine::rect_to_parl(double x1, double y1,
49 src[0] = x1; src[1] = y1;
50 src[2] = x2; src[3] = y1;
58 double x1, double y1,
62 dst[0] = x1; dst[1] = y1;
63 dst[2] = x2; dst[3] = y1;
162 double y1 = 0.0;
165 transform(&x1, &y1);
167 return atan2(y2-y1, x2-x1);
181 double y1 = 0.0;
186 t.transform(&x1, &y1);
189 *sy = y2 - y1;