pixelflut/eh18-image.py

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Python
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import socket
import random
import time
from PIL import Image
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from random import shuffle
import numpy as np
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TCP_IP = '94.45.232.48'
TCP_PORT = 1234
BUFFER_SIZE = 4096
flutwidth = 1920
flutheight = 1080
width=200
height=200
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.connect((TCP_IP, TCP_PORT))
c = '000000'
im = Image.open("ctdo.png")
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rgb_im = im.convert('RGBA')
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def randomnumber(pseed,pmin,pmax,v1,v2,v3):
return (pseed*v1+pseed^2*v2+pseed^3*v3)%(pmax-pmin)+pmin
newseed=(int)(time.time()/60)
seed=newseed
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if __name__ == '__main__':
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while True:
starttime=time.time()
commandsarray=[]
seed=newseed
print("Seed: "+str(seed))
#xv=random.randint(0,flutwidth)
#yv=random.randint(0,flutheight)
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#xv=random.randint(width/2,flutwidth-width/2)
#yv=random.randint(height/2,flutheight-height/2)
xv=randomnumber(seed,width/2,flutwidth-width/2, 1234,-242,4)
yv=randomnumber(seed,height/2,flutheight-height/2, 1423,-122,3)
print("xv="+str(xv)+ "yv="+str(yv))
_current_command=""
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pixelcoords=[]
for _x in range(width):
for _y in range(height):
pixelcoords+=[(_x,_y)]
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shuffle(pixelcoords)
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for i,j in pixelcoords:
r, g, b,a = rgb_im.getpixel((i, j))
if a!=255:
continue
#if r>127:
# continue #skip bright pixels
#r=255-r
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#_current_command+='PX %d %d %02x%02x%02x\n' % (i+xv,j+yv,r,g,b) #rgb
_current_command+='PX %d %d %02x\n' % (i+xv-width/2,j+yv-height/2,r) #monochrome only red channel
if len(_current_command)>=1400:
commandsarray+=[_current_command.encode()] #append packet
_current_command=""
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commandsarray+=[_current_command.encode()] #append last packet
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print("Generated Commands in "+str(time.time()-starttime)+" seconds")
while seed==newseed:
try:
starttime=time.time()
for command in commandsarray:
s.send(command)
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print("Send Image in "+str(time.time()-starttime)+" seconds")
except BrokenPipeError:
print("BrokenPipeError. Reconnecting")
s.close()
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.connect((TCP_IP, TCP_PORT)) #reconnect
print("reconnected")
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newseed=(int)(time.time()/60)
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exit()