Lines Matching refs:da
432 SkVector da = p[0] - p[3];
436 SkScalar invDALengthSqd = da.lengthSqd();
439 // cross(ab, da)^2/length(da)^2 == sqd distance from b to line from d to a.
441 SkScalar detABSqd = ab.cross(da);
443 SkScalar detDCSqd = dc.cross(da);
459 if (SkVector::DotProduct(da, dc) < 0 || SkVector::DotProduct(ab,da) > 0) {
