99 lines
2.9 KiB
Python
99 lines
2.9 KiB
Python
import socket
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import random
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import time
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from PIL import Image
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from random import shuffle
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import numpy as np
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import sys
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TCP_IP = '94.45.232.48'
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TCP_PORT = 1234
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BUFFER_SIZE = 4096
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flutwidth = 1920
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flutheight = 1080
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s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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s.connect((TCP_IP, TCP_PORT))
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#Load the Image
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im = Image.open("ctdo.png")
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rgb_im = im.convert('RGBA')
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width, height = im.size #get image size
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def randomnumber(pseed,pmin,pmax,v1,v2,v3):
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return (pseed*v1+pseed^2*v2+pseed^3*v3)%(pmax-pmin)+pmin
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newseed=(int)(time.time()/60) #seed based on timestamp (full minutes)
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seed=newseed
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user=int(sys.argv[1]) #1..n
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parts=int(sys.argv[2]) #n users
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if __name__ == '__main__':
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pixelcoords=[]
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for _x in range(width):
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for _y in range(height):
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pixelcoords+=[(_x,_y)]
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random.seed(42)
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random.shuffle(pixelcoords) #pseudorandom order
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print(pixelcoords)
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pixelcoords=pixelcoords[int(len(pixelcoords)/parts)*(user-1):int(len(pixelcoords)/parts)*(user)] #divide in parts for multiple connection
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while True: #Mainloop
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starttime=time.time()
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commandsarray=[]
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seed=newseed
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print("Seed: "+str(seed))
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xv=randomnumber(seed,width/2,flutwidth-width/2, 42,-24,4) #x position of image
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yv=randomnumber(seed,height/2,flutheight-height/2, 43,-23,3) #y ""
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print("xv="+str(xv)+ "yv="+str(yv))
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_current_command=""
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for i,j in pixelcoords: #i,j as xy coordinates from image
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r, g, b,a = rgb_im.getpixel((i, j))
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#Do stupid stuffz with p1x3ls
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if a<=127:
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continue
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#if r>127:
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# continue #skip bright pixels
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#r=255-r
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#_current_command+='PX %d %d %02x%02x%02x\n' % (i+xv,j+yv,r,g,b) #rgb
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_current_command+='PX %d %d %02x\n' % (i+xv-width/2,j+yv-height/2,r) #monochrome only red channel
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if len(_current_command)>=1400: #divide in packets smaller than 1500 byte
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commandsarray+=[_current_command.encode()] #append packet
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_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")
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while seed==newseed: #as long as position did not change
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try:
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starttime=time.time()
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for command in commandsarray:
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s.send(command)
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print("Send Image in "+str(time.time()-starttime)+" seconds")
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except BrokenPipeError: #Brokn Pipe? Reconnect!!
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print("BrokenPipeError. Reconnecting")
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s.close()
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s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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s.connect((TCP_IP, TCP_PORT)) #reconnect
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print("reconnected")
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newseed=(int)(time.time()/60)
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exit()
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