Generate Ascii Images Like the Matrix
Published on 2月 25, 2013
Generate Ascii Image Like the Matrix
Inspired by this online image to text converter and this post on Oschina
script hosts at github. Poor hack, Any advice is welcomed.
Edit: Oooops, Demo sucks on my site, it’s perfect if you generate an alone html file.look here and here
Demo
源码
#! /bin/env python # -*- coding: utf-8 -*- """ Turn images into acsii. """ __author__ = 'Reverland (lhtlyy@gmail.com)' import Image import ImageOps import sys filename = 'a.jpg' def makeHTMLbox(body, fontsize, imagesize): """takes one long string of words and a width(px) then put them in an HTML box""" boxStr = """<div style=\"font-size: %spx;line-height: 100%s; width: %s;background-color: rgb(0, 0, 0);border: 1px grey solid;text-align: center; overflow: hidden;\">%s</div> """ return boxStr % (fontsize, '%', imagesize[0], body) def makeHTMLascii(body, color): """take words and , and create an HTML word """ #num = str(random.randint(0,255)) # return random color for every tags color = 'rgb(%s, %s, %s)' % color # get the html data wordStr = '<span style=\"color:%s;float:left;\">%s</span>' return wordStr % (color, body) def i2m(im, fontsize): """turn an image into ascii like matrix""" im = im.convert('L') im = ImageOps.autocontrast(im) im.thumbnail((im.size[0] / fontsize, im.size[1] / fontsize)) string = '' colors = [(0, i, 0) for i in range(0, 256, 17)] words = '据说只有到了十五字才会有经验的' for y in range(im.size[1]): for x in range(im.size[0]): p = im.getpixel((x, y)) i = 14 while i >= 0: if p >= i * 17: s = makeHTMLascii(words[3 * i:3 * (i + 1)], colors[i]) break i -= 1 if x % im.size[0] == 0 and y > 0: s = s + '<br/>' string = string + s return string def i2a(im, fontsize): """turn an image into ascii with colors""" im = im.convert('RGB') im = ImageOps.autocontrast(im) im.thumbnail((im.size[0] / fontsize, im.size[1] / fontsize)) string = '' for y in range(im.size[1]): for x in range(im.size[0]): c = im.getpixel((x, y)) # print c s = makeHTMLascii('翻', c) if x % im.size[0] == 0 and y > 0: s = s + '<br/>' string = string + s return string def getHTMLascii(filename, fontsize, style='matrix', outputfile='a.html', scale=1): """Got html ascii image""" im = Image.open(filename) size = (int(im.size[0] * scale), int(im.size[1] * scale)) im.thumbnail(size, Image.ANTIALIAS) if style == 'matrix': ascii = makeHTMLbox(i2m(im, fontsize), fontsize, im.size) elif style == 'ascii': ascii = i2a(im, fontsize) else: print "Just support ascii and matrix now, fall back to matrix" ascii = makeHTMLbox(i2m(im, fontsize), fontsize, im.size) with open(outputfile, 'wb') as f: f.write(ascii) return 1 if __name__ == '__main__': if sys.argv[1] == '--help' or sys.argv[1] == '-h': print """Usage:python i2a.py filename fontsize [optional-parameter] optional-parameter: scale -- between (0, 1) style -- matrix or ascii""" else: filename = sys.argv[1] try: fontsize = int(sys.argv[2]) except: fontsize = int(raw_input('input fontsize please:')) try: scale = float(sys.argv[3]) except: scale = 1 try: style = sys.argv[4] except: style = 'matrix' getHTMLascii(filename, fontsize, scale=scale)
