Lines Matching refs:p1
43 return e1->edge.p1.y - e2->edge.p1.y;
49 XFixed dx = line->p2.x - line->p1.x;
50 double ex = (double) (y - line->p1.y) * (double) dx;
51 XFixed dy = line->p2.y - line->p1.y;
53 return (XFixed) line->p1.x + (XFixed) (ex / dy);
59 return (XFixedToDouble (l->p2.x - l->p1.x) /
60 XFixedToDouble (l->p2.y - l->p1.y));
66 return XFixedToDouble (l->p1.x) - inverse_slope * XFixedToDouble (l->p1.y);
105 y = edges[0].edge.p1.y;
114 if (e->edge.p1.y > y)
194 if (inactive < nedges && edges[inactive].edge.p1.y < next_y)
195 next_y = edges[inactive].edge.p1.y;
280 edges[nedges].edge.p1.x = prevx;
281 edges[nedges].edge.p1.y = prevy;
289 edges[nedges].edge.p1.x = x;
290 edges[nedges].edge.p1.y = y;