Alwinfy · March 25, 2024 19:57 · Mar 25, 2024 · Mar 25, 2024
diff --git a/bake.py b/bake.py
@@ -8,10 +8,13 @@ def ansi(*codes):
     return "\x1b[" + ";".join(map(str, codes)) + "m"
 
 def color(nib):
-    # this is based on the 256-color ANSI format;
-    # start at 16, add +1 for more red,
-    # +6 for more green, +36 for more blue.
-    # colors were picked to land in a nice pastel region.
+    # this is chosen based on the ANSI 16-color style
+    # (i.e. 0x1 for red, 0x2 for green,
+    #       0x4 for blue, 0x8 for brighter),
+    # but using the 256-color ANSI format
+    # (i.e. start at 16, add +1 for more red,
+    #       +6 for more green, +36 for more blue),
+    # with colors picked to land in a nice pastel region.
     color = (16 + 2 * 43
         + (nib >> 0 & 1) * 2 * 36
         + (nib >> 1 & 1) * 2 * 6

diff --git a/bake.py b/bake.py
@@ -0,0 +1,31 @@
+#!/usr/bin/env python3
+# bake.py - score a poem with colourized ANSI codes
+# Type a poem at stdin, print the colourized poem at stdout.
+# Requires at least 256-color support from the teletype.
+import sys
+
+def ansi(*codes):
+    return "\x1b[" + ";".join(map(str, codes)) + "m"
+
+def color(nib):
+    # this is based on the 256-color ANSI format;
+    # start at 16, add +1 for more red,
+    # +6 for more green, +36 for more blue.
+    # colors were picked to land in a nice pastel region.
+    color = (16 + 2 * 43
+        + (nib >> 0 & 1) * 2 * 36
+        + (nib >> 1 & 1) * 2 * 6
+        + (nib >> 2 & 1) * 2 * 1
+        + (nib >> 3 & 1) * 1 * 43
+    )
+    ch = chr(nib + (48 if nib < 10 else 55))
+    return ansi(38, 5, color) + ch
+
+def format_char(ch):
+    high, low = divmod(ord(ch), 16)
+    return color(high) + color(low)
+
+for line in list(sys.stdin):
+    chars = line.strip()
+    print(" " + " ".join(chars))
+    print("".join(format_char(ch) for ch in chars) + ansi(0))