'Draw the line, default color is blue
**SUMMARY**
Draw a small circle around the corner.  Color tuple is single parameter, default is Red.
**PARAMETERS**
* *color* - An RGB color triplet.
* *width* - Draw the line using the specified width.
**RETURNS**
Nothing - this is an inplace operation that modifies the source images drawing layer.'

def draw(self, color=(0, 0, 255), width=1):

    self.image.drawLine(self.end_points[0], self.end_points[1], color, width)
