[Qt5] 矩形、圆和多边形ROI区域的交互（List View列表视图，halcon实现）

void FormScalingTest::drawSelectedRegion(HRegion *_region)
{
  HTuple Row1, Row2, Column1, Column2, Radius1;
  HRegion hv_Region;
  switch (m_selectedDrawType)
  {
  case 1:
    DrawRectangle1(m_windowHandle, &Row1, &Column1, &Row2, &Column2);
    GenRectangle1(&hv_Region, Row1, Column1, Row2, Column2);
    break;
  case 2:
    DrawCircle(m_windowHandle, &Row1, &Column1, &Radius1);
    GenCircle(&hv_Region, Row1, Column1, Radius1);
    break;
  case 3:
    DrawRegion(&hv_Region, m_windowHandle);
    break;
  default:
    break;
  }
  *_region = hv_Region;
}