#!/usr/bin/python
import Image
import math
from zoom import *
res_x=640
res_y=480
size = (res_x,res_y)
im = Image.new('RGB',size)
pix = im.load()
iterations=int(math.log(4/(X_MAX-X_MIN))/(12*math.log(10))*10000+200)
print("Calcul de l'image {} avec {} iterations ...".format(nom_fic,iterations))
for px in range(res_x):
   for py in range(res_y):
      n=0
      x=X_MIN+px*(X_MAX-X_MIN)/res_x
      y=Y_MAX-py*(Y_MAX-Y_MIN)/res_y
      z=complex(x,y)
      z2=z
      while(abs(z)<2):
         z=z*z+z2
         n+=1
         if n>=iterations:
            break
      pix[px,py] = (0,n & 255,n >> 8)
im.save(nom_fic)