Lines Matching defs:y0
246 int x0, y0, x2, y2, r;
249 y0 = vpos + dy1;
251 y2 = y0 + dy2;
253 conicarc(x0, -y0, hpos, -vpos, x2, -y2, r, r);
275 conicarc(x, y, x0, y0, x1, y1, a, b)
307 radius = sqrt((float)(sqr(x0 - x) + sqr(y0 - y)));
312 yc = y0;
318 slope = atan2((double)(y0 - y), (double)(x0 - x) );
322 y0 = y + radius * sin(slope) + 0.5;
330 ys = y0 - y;