36 lines
1.2 KiB
Python
36 lines
1.2 KiB
Python
#!/usr/bin/env python3
|
|
|
|
from PIL import Image # Requires python-image-library (pillow)
|
|
import itertools
|
|
|
|
|
|
def load(filename):
|
|
""" Given a filename that matches an image file,
|
|
return a list of lists of tuples corresponding to the list of
|
|
lines of pixels (R, G, B) of the image. """
|
|
|
|
with Image.open(filename, 'r') as image:
|
|
image = image.convert('RGB')
|
|
content = list(image.getdata())
|
|
size_x, size_y = image.size
|
|
return [content[i:i + size_x] for i in range(0, len(content), size_x)]
|
|
|
|
|
|
def save(image, filename='new', extension='jpg'):
|
|
""" Stores the given image into a file. The name
|
|
of the file is set to <filename>.<extension> which is
|
|
'new.jpg' by default. """
|
|
|
|
size_x, size_y = len(image), len(image[0])
|
|
new_image = Image.new('RGB', (size_y, size_x))
|
|
new_image.putdata(list(itertools.chain.from_iterable(image)))
|
|
new_image.save('%s.%s' % (filename, extension))
|
|
|
|
def show_image(image):
|
|
""" Show the image to the user. """
|
|
|
|
size_x, size_y = len(image), len(image[0])
|
|
new_image = Image.new('RGB', (size_y, size_x))
|
|
new_image.putdata(list(itertools.chain.from_iterable(image)))
|
|
new_image.show()
|