Function PatchControlArray_invert

radiantcore/patch/PatchControl.h:19–32

}

inline void PatchControlArray_invert(PatchControlArray& ctrl, std::size_t width, std::size_t height)
{
	PatchControlArray tmp(width);

	PatchControlIter from = ctrl.begin() + (width * (height - 1));
	PatchControlIter to = ctrl.begin();

  for(std::size_t h = 0; h != ((height - 1) >> 1); ++h, to += width, from -= width)
  {
    copy_ctrl(tmp.begin(), to, to + width);
    copy_ctrl(to, from, from + width);
    copy_ctrl(from, tmp.begin(), tmp.begin() + width);
  }
}

#endif /*PATCHCONTROL_H_*/