import Image

def fixRGB(rgbValue, degree):
	r = fixIndex(rgbValue[0], 0)
	g = fixIndex(rgbValue[1], 0)
	b = fixIndex(rgbValue[2], degree)
	return r, g, b


def fixIndex(value, degree):
	if value + degree > 255:
		value = 255
	else:
		value += degree
	return value

im = Image.open("lena.jpg")

"""
newR = Image.new("RGB", im.size)
newG = Image.new("RGB", im.size)
newB = Image.new("RGB", im.size)
newGray = Image.new("P", im.size)
"""
newWhite = Image.new("RGB", im.size)
newDark = Image.new("RGB", im.size)

sizeX, sizeY = im.size

for x in range(0,100):
	for y in range(0,100):
		srcR, srcG, srcB = im.getpixel((x+40,y+150))
		desR, desG, desB = im.getpixel((x, y))
		im.putpixel((x,y),((srcR+desR)/2,(srcG+desG)/2,(srcB+desB)/2))

		"""
		nr, ng, nb = fixRGB(color, 100)
		im.putpixel((x,y),(nr,ng,nb))
		newR.putpixel((x,y),(r,0,0))
		newG.putpixel((x,y),(0,g,0))
		newB.putpixel((x,y),(0,0,b))
		newGray.putpixel((x,y), (r+g+b)/3)
		"""

im.show()

"""
newR.show()
newG.show()
newB.show()
newGray.show()
"""