def watercolor(self,imgStr):
img=Image(imgStr)
img.blur(2,2)
img.oilPaint(5)
img.enhance()
img.sharpen()
pink=Color(250,218,221,75)
toplayer=Image(img.size(),pink)
toplayer.matte(True)
img.matte(True)
img.composite(toplayer,0,0,CompositeOperator.CopyOpacityCompositeOp)
img.blur(2,2)
#img.write('watercolor-output.png')
return img
