fNewRightBottom
fTransformBox->TransformTo(fNewLeftTop, fNewRightTop, fNewLeftBottom, fNewRightBottom);
fTransformer->TransformTo(fNewLeftTop, fNewRightTop, fNewLeftBottom, fNewRightBottom);
fNewRightBottom = rightBottom;
|| fOldRightBottom != fNewRightBottom))
BPoint fNewRightBottom;