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38 lines
1.2 KiB
Python
38 lines
1.2 KiB
Python
from typing import List, Tuple
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from pixel_types import RGB
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from PIL import Image
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def overlay_transparent(source: Image, layer: Image, differences: bool = False) -> List[Tuple[int, int]]:
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"""
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Given an image, it wil be modified in-place to layer a (potentially transparent) Image on top.
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:param source: The source image to be modified.
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:param layer: The layer to implant upon it.
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:return: If specified, a list of tuples indicating pixel locations will be returned.
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"""
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return []
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def get_pixel_differences(source: Image, target: Image) -> List[Tuple[int, int, RGB]]:
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"""
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Returns a list of pixels (location & color) that must be changed to match `source` to `target`.
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:param source: The source image (what we currently have).
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:param target: The target image (what we want to have).
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:return: A list of pixels in tuples.
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"""
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source_pixels = source.load()
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target_pixels = target.load()
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height, width = source.shape
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results = []
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for y in range(width):
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for x in range(height):
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cur_pixel = source_pixels[x, y]
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target_pixel = target_pixels[x, y]
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if cur_pixel != target_pixel:
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results.append((x, y, target_pixel))
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return results
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