public bool Scale(float sx, float sy) { if ((sx == 0) || (sy == 0)) return false; fTransformMatrix.scale(sx, sy); fMatrix.eM11 *= sx; fMatrix.eM12 *= sx; fMatrix.eM21 *= sy; fMatrix.eM22 *= sy; fMatrix.eDx *= sx; fMatrix.eDy *= sy; return true; }