initial

gamma.py

@@ -0,0 +1,14 @@
+#!/usr/bin/python3
+
+GAMMA = 2.8 # correction factor
+MAX_IN = 255 # top end of INPUT range
+MAX_OUT = 255 # top end of OUTPUT range
+
+print('{ \\')
+for index in range(MAX_IN):
+    if index > 0:
+        print(',', end='')
+    if index & 15 == 0:
+        print()
+    print('%3d' % ((index / MAX_IN) ** GAMMA * MAX_OUT + 0.5), end='')
+print('}')