Lines Matching defs:pt0
113 CvPoint2D32f pt0 = points[0];
115 left_x = right_x = pt0.x;
116 top_y = bottom_y = pt0.y;
122 if( pt0.x < left_x )
123 left_x = pt0.x, left = i;
125 if( pt0.x > right_x )
126 right_x = pt0.x, right = i;
128 if( pt0.y > top_y )
129 top_y = pt0.y, top = i;
131 if( pt0.y < bottom_y )
132 bottom_y = pt0.y, bottom = i;
136 dx = pt.x - pt0.x;
137 dy = pt.y - pt0.y;
143 pt0 = pt;
