pixelflut/eh18-image.py

import socket
import random
import time
from PIL import Image
from random import shuffle
import numpy as np

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")
rgb_im = im.convert('RGB')

commandsarray=[]

if __name__ == '__main__':
    starttime=time.time()
    #xv=random.randint(0,flutwidth)
    #yv=random.randint(0,flutheight)
    xv=300
    yv=flutheight-height-100
    _current_command=""

    pixelcoords=[]
    for _x in range(width):
        for _y in range(height):
            pixelcoords+=[(_x,_y)]

    shuffle(pixelcoords)




    for i,j in pixelcoords:
        r, g, b = rgb_im.getpixel((i, j))
        #if r>127:
        #    continue #skip bright pixels
        #r=255-r

        #_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,j+yv,r) #monochrome only red channel
        if len(_current_command)>=1400:
            commandsarray+=[_current_command.encode()] #append packet
            _current_command=""

    commandsarray+=[_current_command.encode()] #append last packet

    print("Generated Commands in "+str(time.time()-starttime)+" seconds")


    while True:
        try:
            starttime=time.time()
            for command in commandsarray:

                    s.send(command)


            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")


exit()