@Override
public boolean onTouch(View arg0, MotionEvent event)
{
        float x = event.getX();
        float y = event.getY();

        switch (event.getAction())
        {
            case MotionEvent.ACTION_DOWN:
            {
        	m_CurrentPoint = new PointF(event.getX(), event.getY());
        	m_PreviousPoint = m_CurrentPoint;
        	m_StartPoint = m_PreviousPoint;

        	m_DrawPath.reset();
        	m_DrawPath.moveTo(x, y);

                break;
            }
            case MotionEvent.ACTION_MOVE:
            {
            	if (event.getPressure()>=0.00 && event.getPressure()<0.05)
            	{
            		m_VariableWidthDelta = 1;
            	}
            	else if (event.getPressure()>=0.05 && event.getPressure()<0.10)
            	{
            		m_VariableWidthDelta = 1;
            	}
            	else if (event.getPressure()>=0.10 && event.getPressure()<0.15)
            	{
            		m_VariableWidthDelta = 2;
            	}
            	else if (event.getPressure()>=0.15 && event.getPressure()<0.20)
            	{
            		m_VariableWidthDelta = 2;
            	}
            	else if (event.getPressure()>=0.20 && event.getPressure()<0.25)
            	{
            		m_VariableWidthDelta = 1;
            	}
            	else if (event.getPressure() >= 0.25 && event.getPressure()<0.30)
            	{
            		m_VariableWidthDelta = 1;
            	}
            	else if (event.getPressure() >= 0.30 && event.getPressure()<0.35)
            	{
            		m_VariableWidthDelta = 2;
            	}
            	else if (event.getPressure() >= 0.35 && event.getPressure()<0.40)
            	{
            		m_VariableWidthDelta = 2;
            	}
            	else if (event.getPressure() >= 0.40 && event.getPressure()<0.45)
            	{
            		m_VariableWidthDelta = 3;
            	}
            	else if (event.getPressure() >= 0.45 && event.getPressure()<0.50)
            	{
            		m_VariableWidthDelta = 4;
            	}

            	m_Paint.setStrokeWidth(m_ThemeManagerInstance.getFolderStrokeWidth() + m_VariableWidthDelta);

                m_DrawPath = new Path();

                m_StartPoint = m_PreviousPoint;
                m_PreviousPoint = m_CurrentPoint;
                m_CurrentPoint = new PointF(event.getX(), event.getY());

                PointF mid1 = midPoint(m_PreviousPoint, m_StartPoint);
                PointF mid2 = midPoint(m_CurrentPoint, m_PreviousPoint);

                m_DrawPath.moveTo(mid1.x, mid1.y);
                m_DrawPath.quadTo(m_PreviousPoint.x, m_PreviousPoint.y, mid2.x, mid2.y);
                m_CanvasView.drawPath(m_DrawPath, m_Paint);

                break;
            }
            case MotionEvent.ACTION_UP:
            {
                m_StartPoint = m_PreviousPoint;
                m_PreviousPoint = m_CurrentPoint;
                m_CurrentPoint = new PointF(event.getX(), event.getY());

                break;
            }
        }

        invalidate();

        return true;
    }

    private PointF  midPoint(PointF p1, PointF p2)
    {
	return new PointF((p1.x + p2.x) / 2.0f ,  (p1.y + p2.y) * 0.5f);
    }
}