add simulator and client image sender with 2 bit per pixel capability

This commit is contained in:
interfisch 2018-01-11 23:46:46 +01:00
parent d18e1c5b39
commit a7ca855014
21 changed files with 289 additions and 0 deletions

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client_sw/images.py Normal file
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#!/usr/bin/env python3
import time
from PIL import Image, ImageDraw, ImageFont
from matrixSender import MatrixSender
import time
import sys
from random import randint
matrix = MatrixSender(udphost="localhost", udpport=2323, img_size=(160,24*6), bitsperpixel=2)
def send_img_from_filename(imgfilename,invert=False):
background = Image.new("RGBA", matrix._img_size, MatrixSender.C_BLACK)
image = Image.open(imgfilename)
image = image.convert(mode='RGBA')
image = image.resize(matrix._img_size)
image.save('/tmp/send2.png', 'PNG')
background.paste(image, box=(0,0), mask=None)
background.save('/tmp/send.png', 'PNG')
matrix.send(background,invert)
def send_img(img):
background = Image.new("RGBA", matrix._img_size, MatrixSender.C_BLACK)
stream = io.BytesIO(img)
image = Image.open(stream)
image = image.convert(mode='RGBA')
image = image.resize(matrix._img_size)
image.save('/tmp/send2.jpeg', 'JPEG')
background.paste(image, box=(0,0), mask=None)
background.save('/tmp/send.jpeg', 'JPEG')
matrix.send(background)
if __name__ == '__main__':
if len(sys.argv)>1:
send_img_from_filename(sys.argv[1])

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client_sw/matrixSender.py Normal file
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from PIL import Image, ImageDraw, ImageFont
import socket
import binascii
import io
import time
import re
import numpy as np
import PIL.ImageOps
class MatrixSender(object):
C_BLACK = 0
C_WHITE = 255
global threadrunning
threadrunning=False
def __init__(self, udphost, udpport, img_size=(160,48), bitsperpixel=1):
self._udphost = udphost
if not type(udpport) is int or udpport > 65536:
raise TypeError('port has to be int and > 65536 !!')
self._udpport = udpport
self._img_size = img_size
self.bitsperpixel=bitsperpixel
self._sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
def _list2byte(self, l):
byte = 0
i = 0
for i in range(8):
byte += 2**(7-i) if l[i] else 0
return byte
def _array2packet(self, a):
return [self._list2byte(a[i*8:i*8+8]) for i in range(int(len(a)/8))]
def _intToBitlist(self,number): #convert integer number to list of bits, exampe: 1-> [0,1], 2->[1,0]
bitlistvaryinglength=[x for x in "{0:b}".format(number)]
bitlist=np.zeros(self.bitsperpixel,dtype=int)
bitlist[self.bitsperpixel-len(bitlistvaryinglength):]=bitlistvaryinglength
return bitlist
def send(self, image,invert=False): #changes slowly 'fadespeed'-pixels at a time
global threadrunning
#if fadespeed=0 -> change instant.
#time to change= 1280/25*0.2
imgmap = []
for pixel in image.getdata():
r, g, b, a = pixel
pixelbrightness=int( (r+g+b)/3 *(pow(2,self.bitsperpixel)-1) /255 +0.5)
if invert:
pixelbrightness=pow(2,self.bitsperpixel)-1-pixelbrightness
for b in self._intToBitlist(pixelbrightness):
imgmap.append(b)
self.sendPacket(imgmap) #send packet and save last-imagemap
def sendPacket(self, imgmap):
packet = self._array2packet(imgmap)
self._sock.sendto(bytes(packet), (self._udphost, self._udpport))
def send_bytes(self, img):
imgmap = []
for pixel in img:
if pixel == "1":
imgmap.append(1)
else:
imgmap.append(0)
if len(img) < 1280:
imgmap = np.hstack((imgmap, np.zeros(1280-len(img), dtype=int)))
packet = self._array2packet(imgmap)
self._sock.sendto(bytes(packet), (self._udphost, self._udpport))

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#!/usr/bin/env python3
# -*- coding: UTF-8 -*-
import _thread
import socket
import pygame
import math
import random
import numpy as np
from pygame.locals import *
import time
WIDTH=160
HEIGHT=24*6
PIXELSIZE=4 #For Simulator Display
UDPPORT=2323
DEBUG=True
BITSPERPIXEL=2
class FlipdotSim():
def __init__(self,
imageSize = (160,48), #80,16
pixelSize = 10,
udpPort = 2323,
bitsperpixel=1):
self.imageSize=imageSize
self.udpPort = udpPort
self.bitsperpixel=bitsperpixel
self.flipdotMatrixSimulatorWidget = FlipdotMatrixSimulatorWidget(imageSize, pixelSize, bitsperpixel) #comment out if no simulator needed
self.udpHostSocket = socket.socket(socket.AF_INET6, socket.SOCK_DGRAM)
self.udpHostSocket.bind(("", self.udpPort))
self.timesincelastpacket=time.time()
def run(self):
self.RunServer()
def bitlistToInt(self,bitlist): #lsb last, [1,0]=2, [0,1]=1
number=0
for bitindex,bitvalue in enumerate(reversed(bitlist)):
number+=bitvalue*pow(2,bitindex)
return number
def RunServer(self):
try:
while True:
#rawData = self.udpHostSocket.recv(4096)
rawData = self.udpHostSocket.recv(4096*2)
imageArray = ImageArrayAdapter().convertPacketToImageArray(rawData)
if DEBUG:
print("Received Data. Time since last message: "+str( round( time.time()-self.timesincelastpacket,2))+"s ("+str( round( (1/ (time.time()-self.timesincelastpacket) ) ,2) ) +" FPS)")
self.timesincelastpacket=time.time()
_bitsneeded=self.imageSize[0]*self.imageSize[1]*self.bitsperpixel
if len(imageArray) < _bitsneeded:
if DEBUG:
print("WARNING: Not enough data received. Got "+str(len(imageArray))+" bits, needs "+str(_bitsneeded)+" bits")
emptyArray=np.zeros(_bitsneeded,dtype=int)
emptyArray[0:len(imageArray)]=imageArray
imageArray=emptyArray
elif len(imageArray) > _bitsneeded:
if DEBUG:
print("WARNING: Too much data received. Got "+str(len(imageArray))+" bits, needs "+str(_bitsneeded)+" bits")
imageArray=imageArray[0:_bitsneeded]
imageArray=[self.bitlistToInt(x) for x in np.array(imageArray).reshape((int(len(imageArray)/self.bitsperpixel),self.bitsperpixel))]
self.flipdotMatrixSimulatorWidget.show(imageArray) #send to simulator display
finally:
self.udpHostSocket.close()
class ImageArrayAdapter():
def __init__(self):
self.arrayOfBinaryInts = []
def convertPacketToImageArray(self, udpPacketStr):
self.arrayOfBinaryInts = []
byteArray = bytearray(udpPacketStr)
#Fix for other format. Not Used
#byteArray = udpPacketStr.translate(None, b'\r\n').decode().replace('[','').replace(']','').replace(' ','').split(',')
#byteArray = [int(x) for x in byteArray]
#print("rawtype="+str(type(byteArray)))
#print(byteArray)
for byte in byteArray:
#print("byte:"+str(byte))
self.__appendByteToArrayOfBinaryInts(byte)
return self.arrayOfBinaryInts
def __appendByteToArrayOfBinaryInts(self, byte):
byteValue = int(byte)
for i in range(8):
if math.floor(byteValue/(2**(7-i))) > 0:
self.arrayOfBinaryInts.append(1)
#print("append 1")
else:
self.arrayOfBinaryInts.append(0)
#print("append 0")
byteValue = byteValue%(2**(7-i))
class FlipdotMatrixSimulatorWidget():
BLACKCOLOR = 0
WHITECOLOR = 1
def __init__(self,
imageSize = (160,48),
pixelSize = 4,
bitsperpixel = 1):
self.imageSize = imageSize
self.pixelSize = pixelSize
pygame.init()
self.screen = pygame.display.set_mode((imageSize[0]*pixelSize, imageSize[1]*pixelSize))
self.screen.fill((255,255,255))
_thread.start_new_thread(self.watchCloseThread, ())
self.bitsperpixel=bitsperpixel
def watchCloseThread(self):
while True:
for event in pygame.event.get():
if event.type in (QUIT, QUIT):
import os
os.kill(os.getpid(), 9)
pygame.time.delay(500)
def show(self, imageArray):
for yValue in range(self.imageSize[1]):
for xValue in range(self.imageSize[0]):
i = self.imageSize[0]*yValue + xValue
color = imageArray[i] / (pow(2,self.bitsperpixel)-1) #gives a number between 0 and 1 inclusive. Example for bitsperpixel=2: [1,0]-> 2/ (2^2-1)=2/3
self.updatePixel(xValue, yValue, color)
pygame.display.update()
def clearPixels(self):
for xValue in range(self.imageSize[0]):
for yValue in range(self.imageSize[1]):
self.updatePixel(xValue, yValue, self.BLACKCOLOR)
def updatePixel(self, xValue, yValue, brightness):
surface = pygame.Surface((self.pixelSize, self.pixelSize))
minimumbrightness=32
rectcolor = ( (255-minimumbrightness)*brightness+minimumbrightness,127*brightness+ minimumbrightness/2, minimumbrightness/4)
#surface.fill(rectcolor)
pygame.draw.circle(surface, rectcolor, (int(self.pixelSize/2), int(self.pixelSize/2)), int(self.pixelSize/2)) #Draw LED as filled circles
self.screen.blit(surface, (xValue*self.pixelSize, yValue*self.pixelSize))
if __name__ == '__main__':
FlipdotSim(imageSize=(WIDTH,HEIGHT), pixelSize = PIXELSIZE, udpPort=UDPPORT, bitsperpixel=BITSPERPIXEL).run()