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141 lines
3.6 KiB
141 lines
3.6 KiB
#!/usr/bin/env python3
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from argparse import ArgumentParser
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from bresenham import bresenham
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from PIL import Image, ImageDraw
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from random import randint
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import sys
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rand = lambda: randint(0,255)
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def print_stats(img):
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pixels = img.getdata()
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count = sum([1 for i in pixels if i == 0])
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print("{} black pixels over {} ({:.1%})".format(count, len(pixels), count/len(pixels)))
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def get_lines(img):
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lines = []
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pixels = [(x, y) for x in range(img.width) for y in range(img.height) if img.getpixel((x, y)) == 0]
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i, n = 0, len(pixels) * len(pixels)
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print("Get lines:", end = "")
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for a in pixels:
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for b in pixels:
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line = list(bresenham(b[0], b[1], a[0], a[1]))
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r = len([0 for p in line if p not in pixels])
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if not r:
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lines.append(line)
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i += 1
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print("\rGet lines: {:.0%}".format(i / n), end = "")
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print("\rGet lines: complete")
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print("{} lines found".format(len(lines)))
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return lines
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def removing_doubles(lines):
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results = []
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i, n = 0, len(lines)
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print("Remove duplicated lines:", end = "")
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for l in lines:
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s = sorted(l)
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same = False
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for o in results:
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if sorted(o) == s:
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same = True
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break
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if same == False:
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results.append(l)
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i += 1
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print("\rRemove double lines: {:.0%}".format(i / n), end = "")
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print("\rRemove double lines: complete")
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print("{} lines kept".format(len(results)))
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return results
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def removing_useless(lines):
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results = []
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i, n = 0, len(lines)
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print("Remove useless lines:", end = "")
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for l in lines:
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inclusions = 0
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others = (x for x in lines if x != l)
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for k in others:
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if len(list(set(l).intersection(set(k)))) == len(l):
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inclusions += 1
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break
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if inclusions == 0 or len(l) == 1:
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results.append((len(l), l))
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i += 1
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print("\rRemove useless lines: {:.0%}".format(i / n), end = "")
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print("\rRemove useless lines: complete")
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print("{} lines kept".format(len(results)))
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return results
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def get_best_solution(img, lines):
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px_left = [(x, y) for x in range(img.width) for y in range(img.height) if img.getpixel((x, y)) == 0]
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results = []
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n = len(px_left)
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print("Draw:", end = "")
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while len(px_left):
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lines = [(sum([1 for p in l if p in px_left]), l) for n, l in lines]
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lines = sorted(lines)
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(p, line) = lines.pop()
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px_left = [p for p in px_left if p not in line]
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results.append((line[0], line[-1]))
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print("\rDraw: {:.0%}".format(1 - len(px_left)/n), end="")
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print("\rDraw: complete")
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print("Solution found in {} lines".format(len(results)))
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return results
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if __name__ == "__main__":
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parser = ArgumentParser(description='Generate the Multi DrawStat code for an image.')
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parser.add_argument('path', type=str, help='path of the image to process')
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parser.add_argument('-d', '--draw', type=bool, default=False, help='draw the result into a new file and display it')
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args = parser.parse_args()
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try:
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image = Image.open(args.path)
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except:
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sys.exit("Error! Unable to open file.")
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try:
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image = image.convert('1')
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except:
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sys.exit("Error! Unable to convert to 1bit")
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print_stats(image)
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lines = get_lines(image)
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lines = removing_doubles(lines)
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lines = removing_useless(lines)
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r = get_best_solution(image, lines)
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if draw:
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export = Image.new('RGB', image.size, 'white')
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drawer = ImageDraw.Draw(export)
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for ((a, b), (c, d)) in reversed(r):
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drawer.line((a, b, c, d), fill=(rand(), rand(), rand()))
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export = export.resize((export.width * 8, export.height * 8))
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export.save(args.path[:-4] + "_gen.png")
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export.show()
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print("\n\n=================================================\n\n")
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for l in r:
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print(l[0], l[1])
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print("\n\n=================================================\n\nDone!")
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