Lines Matching refs:y_c
44 int x_c, x_f, y_c, y_f;
49 y_c = y_f + 1;
56 v3 = pixel(src, x_f, y_c, width, height, stride, def);
57 v1 = pixel(src, x_c, y_c, width, height, stride, def);
58 return (v1*(x - x_f)*(y - y_f) + v2*((x - x_f)*(y_c - y)) +
59 v3*(x_c - x)*(y - y_f) + v4*((x_c - x)*(y_c - y)));
66 int x_c, x_f, y_c, y_f;
72 y_c = y_f + 1;
79 v3 = pixel(src, x_f, y_c, width, height, stride, def);
80 v1 = pixel(src, x_c, y_c, width, height, stride, def);
82 f1 = 1 - sqrt((x_c - x) * (y_c - y));
84 f3 = 1 - sqrt((x - x_f) * (y_c - y));