class Magick::RVG::Utility::TextAttributes

def set_affine(sx, rx, ry, sy, tx, ty)
  @affine[-1].sx = sx
  @affine[-1].rx = rx
  @affine[-1].ry = ry
  @affine[-1].sy = sy
  @affine[-1].tx = tx
  @affine[-1].ty = ty
end