Lines Matching refs:dx0
298 double dx0 = pt1.x - pt0.x; in convexityDefects() local
300 double scale = dx0 == 0 && dy0 == 0 ? 0. : 1./std::sqrt(dx0*dx0 + dy0*dy0); in convexityDefects()
317 double dist = fabs(-dy0*dx + dx0*dy) * scale; in convexityDefects()
346 _Tp dx0 = cur_pt.x - prev_pt.x; in isContourConvex_() local
361 dydx0 = dy * dx0; in isContourConvex_()
370 dx0 = dx; in isContourConvex_()
647 double dx0, dy0; in cvConvexityDefects() local
659 dx0 = (double)hull_next->x - (double)hull_cur->x; in cvConvexityDefects()
661 assert( dx0 != 0 || dy0 != 0 ); in cvConvexityDefects()
662 scale = 1./std::sqrt(dx0*dx0 + dy0*dy0); in cvConvexityDefects()
683 double dist = fabs(-dy0*dx + dx0*dy) * scale; in cvConvexityDefects()