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from PIL import Image
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img = Image.open("./squad-bezel-gunbound.png")
img.size
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img
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out = autocrop_image(img)
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out
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# https://gist.github.com/odyniec/3470977
def autocrop_image(image, border = 0):
# Get the bounding box
bbox = image.getbbox()
print("bbox", bbox)
# Crop the image to the contents of the bounding box
image = image.crop(bbox)
# Determine the width and height of the cropped image
(width, height) = image.size
print("size", image.size)
# Add border
width += border * 2
height += border * 2
# Create a new image object for the output image
cropped_image = Image.new("RGBA", (width, height), (0,0,0,0))
# Paste the cropped image onto the new image
cropped_image.paste(image, (border, border))
# Done!
return cropped_image
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img = Image.open("output.png")
img
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crop(img)
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# https://github.com/crazyhitty/crop-transparent-image/blob/master/crop.py
def readable_resolution(size: tuple):
return str(size[0]) + 'x' + str(size[1])
def is_pixel_alpha(pixel: tuple or int):
pixel_value = pixel[3] if isinstance(pixel, tuple) else pixel
return pixel_value == 0
def crop(image):
#if not is_valid_image_file(image_path):
# raise ValueError(image_path, 'is not a valid png image.', 'Only a valid png file is accepted')
#image = Image.open(image_path, 'r')
width = image.size[0]
height = image.size[1]
pixels = image.load()
top = 0
bottom = 0
left = 0
right = 0
for y in range(0, height):
for x in range(0, width):
if not is_pixel_alpha(pixels[x, y]):
if left == 0 or x - 1 < left:
left = x - 1
break
for y in range(0, height):
for x in range(0, width):
if not is_pixel_alpha(pixels[x, y]):
if top == 0 or y < top:
top = y
break
for y in reversed(range(0, height)):
for x in reversed(range(0, width)):
if not is_pixel_alpha(pixels[x, y]):
if right == 0 or x + 1 > right:
right = x + 1
break
for y in reversed(range(0, height)):
for x in reversed(range(0, width)):
if not is_pixel_alpha(pixels[x, y]):
if bottom == 0 or y + 1 > bottom:
bottom = y + 1
break
if left == -1:
left = 0
if top == -1:
top = 0
if right == 0:
right = width
if bottom == 0:
bottom = height
cropped_image = image.crop((left, top, right, bottom))
print(image.filename + ': ' + readable_resolution(image.size) + ' -> ' + readable_resolution(cropped_image.size))
#image.close()
return cropped_image
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