[py] box() example.

python/examples/009-box.py

@@ -0,0 +1,36 @@
+from time import sleep
+import notcurses as nc
+
+notcurses = nc.Notcurses()
+plane = notcurses.stdplane()
+
+BOX_CHARS = (
+    nc.NCBOXASCII,
+    nc.NCBOXDOUBLE,
+    nc.NCBOXHEAVY,
+    nc.NCBOXLIGHT,
+    nc.NCBOXOUTER,
+    nc.NCBOXROUND,
+)
+
+CHANNELS = (
+    0,
+    0x0000000040808080,  # default on grey
+    0x40ff000000000000,  # red on default
+    0x4000ff00400000ff,  # green on blue
+)
+
+SY = 7
+SX = 10
+
+for y, channels in enumerate(CHANNELS):
+    for x, box_chars in enumerate(BOX_CHARS):
+        nc.box(
+            plane, (y + 1) * SY - 1, (x + 1) * SX - 1, y * SY + 1, x * SX + 1,
+            box_chars,
+            channels=channels,
+            # ctlword=0x1f9
+        )
+
+notcurses.render()
+sleep(5)