Added B18 support (#6)

* Adding B18 support

* B18 work

* Removed some debugging print

* Update readme, remove extra example image

* Add extra printer models & density check

---------

Co-authored-by: AndBondStyle <[email protected]>

niimprint/__main__.py

@@ -11,7 +11,7 @@ from niimprint import BluetoothTransport, PrinterClient, SerialTransport
 @click.option(
     "-m",
     "--model",
-    type=click.Choice(["b1", "b21", "d11"], False),
+    type=click.Choice(["b1", "b18", "b21", "d11", "d110"], False),
     default="b21",
     show_default=True,
     help="Niimbot printer model",
@@ -73,11 +73,15 @@ def print_cmd(model, conn, addr, density, rotate, image, verbose):
         port = addr if addr is not None else "auto"
         transport = SerialTransport(port=port)
 
-    if model in ("b1", "b21"):
+    if model in ("b1", "b18", "b21"):
         max_width_px = 384
-    if model == "d11":
+    if model in ("d11", "d110"):
         max_width_px = 96
 
+    if model in ("b18", "d11", "d110") and density > 3:
+        logging.warning(f"{model.upper()} only supports density up to 3")
+        density = 3
+
     image = Image.open(image)
     if rotate != "0":
         # PIL library rotates counter clockwise, so we need to multiply by -1