# coding:utf-8
import sys

reload(sys)
sys.setdefaultencoding('utf8')
# __author__ = '郭 璞'
# __date__ = '2016/8/4'
# __Desc__ = 一個可以將圖片轉換成終端字符形式的小工具

from time import *
import Image
class ImageTool():

 def __init__(self):
 print 'Initialization Completed! @',ctime()

 def getChars(self,image_pixels,image_width,image_height):
 replace_chars = 'ABCDEFGHIJKLMNO '
 terminal_chars = ''
 for h in xrange(image_height):
 for w in xrange(image_width):
 point_pixel = image_pixels[w,h]
 terminal_chars +=replace_chars[int(sum(point_pixel)/3.0/256.0*16)]
 terminal_chars+='
'
 return terminal_chars

 def formatImage(self,imagename,image_width,image_height):
 img = Image.open(imagename,'rb')
 if img.mode != 'RGB':
 img = img.convert('RGB')
 w,h = img.size
 rw = image_width*1.0/w
 rh = image_height*1.0/h
 r = rw if rw<rh else rh
 rw = int(r*w)
 rh = int(r*h)
 img = img.resize((rw,rh),Image.ANTIALIAS)
 return img

 def entrance(self,image_path,out_width,out_height):
 image = self.formatImage(imagename=image_path,image_width=out_width,image_height=out_height)
 image_pixels = image.load()
 out_width ,out_height = image.size
 terminal_chars = self.getChars(image_pixels=image_pixels,image_width=out_width,image_height=out_height)

if __name__ == "__main__":
 tool = ImageTool()
 imagename = sys.argv[1]
 w = int(sys.argv[2])
 h = int(sys.argv[3])
 tool.entrance(imagename,w,h)