46 lines
1.3 KiB
Python
46 lines
1.3 KiB
Python
import axi
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import math
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import sys
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from PIL import Image
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def create_paths(im):
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f = (255 * 255 * 3) ** 0.5
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paths = []
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w, h = im.size
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for m in [-2, -1, 0, 1, 2]:
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for radius in range(0, w, 8):
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path = []
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for a in range(1800):
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a = math.radians(a / 10.0)
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x = w / 2 + int(math.cos(a) * radius)
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y = h - int(math.sin(a) * radius)
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if x < 0 or x >= w:
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continue
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if y < 0 or y >= h:
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continue
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r, g, b = im.getpixel((x, y))
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p = (r * r + g * g + b * b) ** 0.5
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p = 1 - (p / f)
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p = p ** 2
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if p < 0.05:
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if len(path) > 1:
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paths.append(path)
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path = []
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else:
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x = w / 2 + math.cos(a) * (radius + m * p * 1.5)
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y = h - math.sin(a) * (radius + m * p * 1.5)
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path.append((x, y))
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if len(path) > 1:
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paths.append(path)
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return paths
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def main():
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paths = create_paths(Image.open(sys.argv[1]))
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drawing = axi.Drawing(paths).rotate_and_scale_to_fit(11, 8.5, step=90)
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drawing = drawing.sort_paths().join_paths(0.02)
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axi.draw(drawing)
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if __name__ == '__main__':
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main()
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