'**SUMMARY**
Returns the area of the feature in pixels.
**RETURNS**
The area of the feature in pixels.
**EXAMPLE**
>>> img = Image("lenna")
>>> face = HaarCascade("face.xml")
>>> faces = img.findHaarFeatures(face)
>>> print faces[-1].area()'

def area(self):

    return (self.width() * self.height())
