#!/usr/local/bin/python
import sys
import random
import string
import mmap

def copydata(input_filename,output_filename,position,longueur):
	input = open(input_filename)
	outfile = open(output_filename, "ab")
	outfile.write("".join(input.readlines()[position+5:position+longueur+5]))
	outfile.close()
	input.close()

def randomcolor():
	#x = random.randint(0, 16777215)
	x = random.randint(0, 16777215)
	return "#%x" % x

def copyfirst(input_filename,output_filename):
	input = open(input_filename)
	outfile = open(output_filename, "ab")
	outfile.write("".join(input.readlines()[0:4]))
	outfile.close()
	input.close()

def copyfirstline(output_filename):
	outfile = open(output_filename, "ab")
	outfile.write("\"  	c "+randomcolor()+"\",\n")
	outfile.write("\".      c "+randomcolor()+"\",\n")
	outfile.close()

def copytablecolor(output_filename,longueur):
	fileIN = open("listing.txt", "r")
	line = fileIN.readline()
	i=0
	outfile = open(output_filename, "ab")
	while (i<longueur):
		line = fileIN.readline()[:-1]
		if line == "":    
			break    
		else:
			outfile.write("\""+line+" 	c "+randomcolor()+"\",\n")
		i=i+1 	
	outfile.close()	

def copypixels(output_filename):
	outfile = open(output_filename, "ab")
	outfile.write("/* pixels */\n")
	outfile.close()

def copyend(input_filename,output_filename,end):
	input = open(input_filename)
        outfile = open(output_filename, "ab")
	outfile.write("".join(input.readlines()[261:end]))
        outfile.close()
        input.close()

def getnumberoflines(input_filename):
	f = open(input_filename, "r+")
	buf = mmap.mmap(f.fileno(), 0)
	lines = 0
	readline = buf.readline
	while readline():
		lines += 1
	return lines

if len(sys.argv) < 1:
        print >> sys.stderr, "Usage: %s input_file" % (sys.argv[0],)
        sys.exit(1)

input_filename = sys.argv[1]
position = int(sys.argv[2])
output_filename = "resultat.xpm"
copyfirst(input_filename,output_filename)
copyfirstline(output_filename)
copytablecolor(output_filename,position)
copydata(input_filename,output_filename,position+1,261-7-position)
copypixels(output_filename)
copyend(input_filename,output_filename,getnumberoflines(input_filename))