89 lines
2.3 KiB
Python
89 lines
2.3 KiB
Python
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from PIL import Image, ImageDraw, ImageFont
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import socket
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import binascii
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import io
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import time
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import re
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import numpy as np
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import PIL.ImageOps
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class MatrixSender(object):
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C_BLACK = 0
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C_WHITE = 255
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global threadrunning
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threadrunning=False
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def __init__(self, udphost, udpport, img_size=(160,48), bitsperpixel=1):
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self._udphost = udphost
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if not type(udpport) is int or udpport > 65536:
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raise TypeError('port has to be int and > 65536 !!')
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self._udpport = udpport
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self._img_size = img_size
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self.bitsperpixel=bitsperpixel
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self._sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
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def _list2byte(self, l):
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byte = 0
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i = 0
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for i in range(8):
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byte += 2**(7-i) if l[i] else 0
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return byte
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def _array2packet(self, a):
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return [self._list2byte(a[i*8:i*8+8]) for i in range(int(len(a)/8))]
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def _intToBitlist(self,number): #convert integer number to list of bits, exampe: 1-> [0,1], 2->[1,0]
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bitlistvaryinglength=[x for x in "{0:b}".format(number)]
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bitlist=np.zeros(self.bitsperpixel,dtype=int)
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bitlist[self.bitsperpixel-len(bitlistvaryinglength):]=bitlistvaryinglength
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return bitlist
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def send(self, image,invert=False): #changes slowly 'fadespeed'-pixels at a time
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global threadrunning
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imgmap = []
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for pixel in image.getdata():
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r, g, b, a = pixel
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pixelbrightness=int( (r+g+b)/3 *(pow(2,self.bitsperpixel)-1) /255 +0.5)
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if invert:
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pixelbrightness=pow(2,self.bitsperpixel)-1-pixelbrightness
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for b in self._intToBitlist(pixelbrightness):
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imgmap.append(b)
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self.sendPacket(imgmap) #send packet and save last-imagemap
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def sendPacket(self, imgmap):
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packet = self._array2packet(imgmap)
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self._sock.sendto(bytes(packet), (self._udphost, self._udpport))
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def send_bytes(self, img):
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imgmap = []
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for pixel in img:
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if pixel == "1":
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imgmap.append(1)
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else:
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imgmap.append(0)
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if len(img) < 1280:
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imgmap = np.hstack((imgmap, np.zeros(1280-len(img), dtype=int)))
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packet = self._array2packet(imgmap)
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self._sock.sendto(bytes(packet), (self._udphost, self._udpport))
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