Merge pull request #20 from PatrickBloss/main

render color spectrum

Teams/green_twins/Dockerfile

@@ -1,8 +1,9 @@
-FROM subfuzion/netcat
+FROM python:3.11.4
 
-ENV X=1285
-ENV Y=5
-ENV COLOR=02d10c
+RUN mkdir /app
 
-ENTRYPOINT sh -c "echo -en 'PX ${X} ${Y} ${COLOR}\n' | nc -q1 localhost 1234"
-CMD []
+COPY ./src/* /app
+
+# RUN --network=host python src/sample_client.py
+
+ENTRYPOINT ["python", "/app/color_spectrum.py"]

Teams/green_twins/src/color_spectrum.py

@@ -0,0 +1,75 @@
+import socket
+import time
+
+# HOST = "127.0.0.1" # localhost
+HOST = "10.201.77.56" # localhost
+PORT = 4321        # pixelflut-port
+
+def get_draw_color_command(x,y,color):
+    return f"PX {x} {y} {color}"
+
+# def rgb(i):
+#     r = i % 256
+#     g = (i//256) % 256
+#     b = (i//256**2) % 256
+#     print(f"{r} {g} {b}")
+#     return f"{format(r,'02X')}{format(g,'02X')}{format(b,'02X')}"
+
+def rgb(i):
+    red = 255
+    green = 0
+    blue = 0
+
+    if i > 0 and i <= 255:
+        red = 255
+        green = i
+        blue = 0
+    elif i > 255 and i <= 255*2:
+        red = 255*2 - i
+        green = 255
+        blue = 0
+    elif i > 255*2 and i <= 255*3:
+        red = 0
+        green = 255
+        blue = i - 255*2
+    elif i > 255*3 and i <= 255*4:
+        red = 0
+        green = 255*4 - i
+        blue = 255
+    elif i > 255*4 and i <= 255*5:
+        red = i - 255*4
+        green = 0
+        blue = 255
+    elif i > 255*5 and i <= 255*6:
+        red = 255
+        green = i - 255*5
+        blue = 255
+
+
+    # print(f"{red} {green} {blue}")
+
+    return f"{format(red,'02X')}{format(green,'02X')}{format(blue,'02X')}"
+
+with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as sock:
+    sock.connect((HOST, PORT))
+
+    ## Commands available:
+    ## - Get Help: HELP
+    ## - Retrieve color value of pixel at coordinate (x|y): PX <x> <y>
+    ## - Color the pixel at coordinate (x|y) in color c (format rrggbb): PX <x> <y> <c>
+    ## - Get canvas size: SIZE
+    ## - Set offset of width w and height h for the duration of the connection: OFFSET <w> <h>
+
+    x_offset = 0
+    y_offset = 0
+    for x in range(320):
+        # print(rgb(x))
+        command = "\n".join([get_draw_color_command(x + x_offset,y+y_offset, rgb(x)) for y in range(180)])
+        # print(command)
+        msg = bytes(f"{command}\n", "UTF-8")
+        sock.sendall(msg)
+        time.sleep(0.001)
+
+    ## If you want to received messages, handling might look like this
+    # data = sock.rcv(1024)
+    # print(f"{data!r}")