TOPIC:

private boolean onTouchEllipse(MotionEvent event)
	{
		if( m_status == STA_ELLIPSE )
		{
			int len = 0;
			if( m_rects != null ) len = m_rects.length;
			int cur = 0;
			switch(event.getActionMasked())
			{
			case MotionEvent.ACTION_DOWN:
				float rects[] = new float[len + 4];
				for( cur = 0; cur < len; cur++ )
					rects[cur] = m_rects[cur];
				len += 4;
				rects[cur + 0] = event.getX();
				rects[cur + 1] = event.getY();
				rects[cur + 2] = event.getX();
				rects[cur + 3] = event.getY();
				m_rects = rects;
				break;
			case MotionEvent.ACTION_MOVE:
				float deltaMoveX = event.getX() - m_rects[len - 2];
				float deltaMoveY = event.getY() - m_rects[len - 1];
				m_rects[len - 2] = (deltaMoveX > deltaMoveY) ? event.getX() : m_rects[len - 2] + deltaMoveY;
				m_rects[len - 1] = (deltaMoveX < deltaMoveY) ? event.getY() : m_rects[len - 1] + deltaMoveX;
				break;
			case MotionEvent.ACTION_UP:
			case MotionEvent.ACTION_CANCEL:
				float deltaCancelX = event.getX() - m_rects[len - 2];
				float deltaCancelY = event.getY() - m_rects[len - 1];

				m_rects[len - 2] = (deltaCancelX > deltaCancelY) ? event.getX() : m_rects[len - 2] + deltaCancelY;
				m_rects[len - 1] = (deltaCancelX < deltaCancelY) ? event.getY() : m_rects[len - 1] + deltaCancelX;
				break;
			}
			invalidate();
			return true;
		}
		return false;
	}