initial commit

cat.py

@@ -0,0 +1,18 @@
+#!/usr/bin/env python3
+
+import string
+import numpy as np
+from PIL import Image
+import urllib.request
+from io import BytesIO
+
+def cat(h, w):
+    url = f'https://cataas.com/cat?width={w}&height={h}'
+    resp = urllib.request.urlopen(url)
+    im_data = resp.read()
+    im = Image.open(BytesIO(im_data))
+    im.show()
+    return im
+
+if __name__ == "__main__":
+    cat(1920,1080)

pixelflut.py

@@ -0,0 +1,51 @@
+#!/usr/bin/env python3
+
+import socket
+import sys
+from itertools import product
+import string
+import numpy as np
+from PIL import Image
+from cat import cat
+
+# open image to be sent
+image = sys.argv[1]
+im = Image.open(image)
+
+pixels = list(im.getdata())
+width, height = im.size
+pixels = [pixels[i * width:(i + 1) * width] for i in range(0,height)]
+
+HOST, PORT = "px.oeinf.de", 1234
+
+# change start point if requested
+starth, startw = 0, 0
+if len(sys.argv) > 2: starth = int(sys.argv[2])
+if len(sys.argv) > 3: startw = int(sys.argv[3])
+rnd = False
+if len(sys.argv) > 4: rnd = sys.argv[4] == "rnd"
+
+# Create a socket (SOCK_STREAM means a TCP socket)
+    # Connect to server and send data
+with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as sock:
+    sock.connect((HOST, PORT))
+
+    # query canvas size
+    to_send = "size\n"
+    sock.sendall(bytes(to_send, "utf-8"))
+    received = str(sock.recv(1024), "utf-8")
+    sizew = int(received.split(" ")[1])
+    sizeh = int(received.split(" ")[2])
+    
+    # create list of stuff and shuffle if requested
+    widthlist = list(range(0 + startw,min(int(sizew),(width+startw))))
+    heightlist = list(range(0 + starth, min(int(sizeh),(height+starth))))
+    if rnd: np.random.shuffle(widthlist)
+    for w in widthlist:
+        if rnd: np.random.shuffle(heightlist)
+        for h in heightlist:
+            color = '#%02x%02x%02x' % pixels[h-starth][w-startw]
+            to_send = "px {} {} {}\n".format(w,h,color)
+            sock.sendall(bytes(to_send, "utf-8"))
+    sock.close()
+print("finished")