class GfxClippingArea : public Backup<DrawPixelInfo>

{

public:

  GfxClippingArea(const char * const file, const int line) : Backup<DrawPixelInfo>(_cur_dpi, file, line) {}

 

  bool Clip(int left, int top, int width, int height)

  {

    if (!FillDrawPixelInfo(&this->new_dpi, left, top, width, height)) return false;

    this->Change(&this->new_dpi);

    return true;

  }

 

private:

  DrawPixelInfo new_dpi;

};