code2.py

#im1 = Image.open('some.jpg')    #The image before encoding
#originalImg1 = im1

def encodeImage(im1,im2):           #im1 is larger than im2, so store in im1
    im1 = im1.convert('RGB')
    im2 = im2.convert('RGB')
    width1, height1 = im1.size[0], im1.size[1]
    width2, height2 = im2.size[0], im2.size[1]

    if (width1>=width2) and (height1>=height2):
        for y in range(height1):
            for x in range(width1):
                [r1,g1,b1]=im1.getpixel((x, y))
                # print(x,y)
                if x<width2 and y<height2:
                    [r2,g2,b2]=im2.getpixel((x, y))
                    r = (r1>>4<<4)  + (r2>>4)
                    g = (g1>>4<<4)  + (g2>>4)
                    b = (b1>>4<<4)  + (b2>>4)
                else:
                    r = (r1>>4<<4)
                    g = (g1>>4<<4)
                    b = (b1>>4<<4)
                value = (r,g,b)
                im1.putpixel((x, y), value)
        # im1.show()
        im1.save("decode.jpg")
        print("decode.jpg")
        return im1
    else:
        print("Choose a larger first image")
        return im1

#im2 = Image.open('download (5).jpg')    #loading the smaller img
#im1 = Image.open('drewRobert.png')            #Loading the larger img
#encodedImage = encodeImage(im1,im2)               


def decodeImage(im,key=0):
    im = im.convert('RGB')
    width, height = im.size[0], im.size[1]
    img1 = Image.new('RGB', (width, height), color = 'white') #THe smaller Image
    img2 = Image.new('RGB', (width, height), color = 'white') #THe larger Image
    for y in range(height):
        for x in range(width):
            [r,g,b]=im.getpixel((x, y))
            r1,g1,b1 = ((r&15)<<4, (g&15)<<4, (b&15)<<4)
            r2,g2,b2 = (r>>4<<4, g>>4<<4, b>>4<<4)
            img1.putpixel((x, y), (r1,g1,b1))
            img2.putpixel((x, y), (r2,g2,b2))
        # if key!=0:
        #     img2.resize()
    # img1.show("The larger Image after decoding")
    # img2.show("The smaller Image after decoding")
    img2.save("Doggy.png")
    return img1,img2

            
#imma1 = Image.open('decode.jpg')
#im2.show("The smaller image")
#originalImg1.show("Original Image before Encoding")
#encodedImage.show("Encoded Image")
#print(im1.getpixel((100,100)))
#print(im2.getpixel((100,100)))
#print(encodedImage.getpixel((100,100)))

#first,second=decodeImage(encodedImage)
#first.show("The original Image 1 after decoding")
#second.show("The original Image 2 after decoding")