Lines Matching refs:GA
679 // GA is the matrix A with rotation removed.
680 SkMatrix GA;
683 // QR by Givens rotations. G is Q^T and GA is R. G is rotational (no reflections).
688 // G is the Givens Matrix for A (rotational matrix where GA[0][1] == 0).
692 GA = G;
693 GA.preConcat(A);
703 GA = A;
713 if (SkScalarAbs(GA.get(SkMatrix::kMScaleX)) <= SK_ScalarNearlyZero ||
714 SkScalarAbs(GA.get(SkMatrix::kMScaleY)) <= SK_ScalarNearlyZero)
728 // At this point, given GA, create s.
731 s->fX = SkScalarAbs(GA.get(SkMatrix::kMScaleX));
732 s->fY = SkScalarAbs(GA.get(SkMatrix::kMScaleY));
735 SkScalar yScale = SkScalarAbs(GA.get(SkMatrix::kMScaleY));
741 SkScalar realYScale = SkScalarAbs(GA.get(SkMatrix::kMScaleY));
757 // If GA == A and kFull_PreMatrixScale, sA is identity.
758 // If GA == A and kVertical_PreMatrixScale and A.scaleX == A.scaleY, sA is identity.
761 // If GA == A and kVertical_PreMatrixScale, sA.scaleY is SK_Scalar1.
772 *GsA = GA;
