Add --gradient option, allow specification of custom gradients.

Closes #47

1 files changed, 243 insertions, 0 deletions

diff --git a/xterm256lut.h b/xterm256lut.h
new file mode 100644
index 0000000..ea8c515
--- /dev/null
+++ b/xterm256lut.h
@@ -0,0 +1,243 @@
+/* GENERATED HEADER FILE DO NOT EDIT */
+union rgb_c xterm256lut[256-16] = {
+    {{0x00, 0x00, 0x00}},
+    {{0x5f, 0x00, 0x00}},
+    {{0x87, 0x00, 0x00}},
+    {{0xaf, 0x00, 0x00}},
+    {{0xd7, 0x00, 0x00}},
+    {{0xff, 0x00, 0x00}},
+    {{0x00, 0x5f, 0x00}},
+    {{0x5f, 0x5f, 0x00}},
+    {{0x87, 0x5f, 0x00}},
+    {{0xaf, 0x5f, 0x00}},
+    {{0xd7, 0x5f, 0x00}},
+    {{0xff, 0x5f, 0x00}},
+    {{0x00, 0x87, 0x00}},
+    {{0x5f, 0x87, 0x00}},
+    {{0x87, 0x87, 0x00}},
+    {{0xaf, 0x87, 0x00}},
+    {{0xd7, 0x87, 0x00}},
+    {{0xff, 0x87, 0x00}},
+    {{0x00, 0xaf, 0x00}},
+    {{0x5f, 0xaf, 0x00}},
+    {{0x87, 0xaf, 0x00}},
+    {{0xaf, 0xaf, 0x00}},
+    {{0xd7, 0xaf, 0x00}},
+    {{0xff, 0xaf, 0x00}},
+    {{0x00, 0xd7, 0x00}},
+    {{0x5f, 0xd7, 0x00}},
+    {{0x87, 0xd7, 0x00}},
+    {{0xaf, 0xd7, 0x00}},
+    {{0xd7, 0xd7, 0x00}},
+    {{0xff, 0xd7, 0x00}},
+    {{0x00, 0xff, 0x00}},
+    {{0x5f, 0xff, 0x00}},
+    {{0x87, 0xff, 0x00}},
+    {{0xaf, 0xff, 0x00}},
+    {{0xd7, 0xff, 0x00}},
+    {{0xff, 0xff, 0x00}},
+    {{0x00, 0x00, 0x5f}},
+    {{0x5f, 0x00, 0x5f}},
+    {{0x87, 0x00, 0x5f}},
+    {{0xaf, 0x00, 0x5f}},
+    {{0xd7, 0x00, 0x5f}},
+    {{0xff, 0x00, 0x5f}},
+    {{0x00, 0x5f, 0x5f}},
+    {{0x5f, 0x5f, 0x5f}},
+    {{0x87, 0x5f, 0x5f}},
+    {{0xaf, 0x5f, 0x5f}},
+    {{0xd7, 0x5f, 0x5f}},
+    {{0xff, 0x5f, 0x5f}},
+    {{0x00, 0x87, 0x5f}},
+    {{0x5f, 0x87, 0x5f}},
+    {{0x87, 0x87, 0x5f}},
+    {{0xaf, 0x87, 0x5f}},
+    {{0xd7, 0x87, 0x5f}},
+    {{0xff, 0x87, 0x5f}},
+    {{0x00, 0xaf, 0x5f}},
+    {{0x5f, 0xaf, 0x5f}},
+    {{0x87, 0xaf, 0x5f}},
+    {{0xaf, 0xaf, 0x5f}},
+    {{0xd7, 0xaf, 0x5f}},
+    {{0xff, 0xaf, 0x5f}},
+    {{0x00, 0xd7, 0x5f}},
+    {{0x5f, 0xd7, 0x5f}},
+    {{0x87, 0xd7, 0x5f}},
+    {{0xaf, 0xd7, 0x5f}},
+    {{0xd7, 0xd7, 0x5f}},
+    {{0xff, 0xd7, 0x5f}},
+    {{0x00, 0xff, 0x5f}},
+    {{0x5f, 0xff, 0x5f}},
+    {{0x87, 0xff, 0x5f}},
+    {{0xaf, 0xff, 0x5f}},
+    {{0xd7, 0xff, 0x5f}},
+    {{0xff, 0xff, 0x5f}},
+    {{0x00, 0x00, 0x87}},
+    {{0x5f, 0x00, 0x87}},
+    {{0x87, 0x00, 0x87}},
+    {{0xaf, 0x00, 0x87}},
+    {{0xd7, 0x00, 0x87}},
+    {{0xff, 0x00, 0x87}},
+    {{0x00, 0x5f, 0x87}},
+    {{0x5f, 0x5f, 0x87}},
+    {{0x87, 0x5f, 0x87}},
+    {{0xaf, 0x5f, 0x87}},
+    {{0xd7, 0x5f, 0x87}},
+    {{0xff, 0x5f, 0x87}},
+    {{0x00, 0x87, 0x87}},
+    {{0x5f, 0x87, 0x87}},
+    {{0x87, 0x87, 0x87}},
+    {{0xaf, 0x87, 0x87}},
+    {{0xd7, 0x87, 0x87}},
+    {{0xff, 0x87, 0x87}},
+    {{0x00, 0xaf, 0x87}},
+    {{0x5f, 0xaf, 0x87}},
+    {{0x87, 0xaf, 0x87}},
+    {{0xaf, 0xaf, 0x87}},
+    {{0xd7, 0xaf, 0x87}},
+    {{0xff, 0xaf, 0x87}},
+    {{0x00, 0xd7, 0x87}},
+    {{0x5f, 0xd7, 0x87}},
+    {{0x87, 0xd7, 0x87}},
+    {{0xaf, 0xd7, 0x87}},
+    {{0xd7, 0xd7, 0x87}},
+    {{0xff, 0xd7, 0x87}},
+    {{0x00, 0xff, 0x87}},
+    {{0x5f, 0xff, 0x87}},
+    {{0x87, 0xff, 0x87}},
+    {{0xaf, 0xff, 0x87}},
+    {{0xd7, 0xff, 0x87}},
+    {{0xff, 0xff, 0x87}},
+    {{0x00, 0x00, 0xaf}},
+    {{0x5f, 0x00, 0xaf}},
+    {{0x87, 0x00, 0xaf}},
+    {{0xaf, 0x00, 0xaf}},
+    {{0xd7, 0x00, 0xaf}},
+    {{0xff, 0x00, 0xaf}},
+    {{0x00, 0x5f, 0xaf}},
+    {{0x5f, 0x5f, 0xaf}},
+    {{0x87, 0x5f, 0xaf}},
+    {{0xaf, 0x5f, 0xaf}},
+    {{0xd7, 0x5f, 0xaf}},
+    {{0xff, 0x5f, 0xaf}},
+    {{0x00, 0x87, 0xaf}},
+    {{0x5f, 0x87, 0xaf}},
+    {{0x87, 0x87, 0xaf}},
+    {{0xaf, 0x87, 0xaf}},
+    {{0xd7, 0x87, 0xaf}},
+    {{0xff, 0x87, 0xaf}},
+    {{0x00, 0xaf, 0xaf}},
+    {{0x5f, 0xaf, 0xaf}},
+    {{0x87, 0xaf, 0xaf}},
+    {{0xaf, 0xaf, 0xaf}},
+    {{0xd7, 0xaf, 0xaf}},
+    {{0xff, 0xaf, 0xaf}},
+    {{0x00, 0xd7, 0xaf}},
+    {{0x5f, 0xd7, 0xaf}},
+    {{0x87, 0xd7, 0xaf}},
+    {{0xaf, 0xd7, 0xaf}},
+    {{0xd7, 0xd7, 0xaf}},
+    {{0xff, 0xd7, 0xaf}},
+    {{0x00, 0xff, 0xaf}},
+    {{0x5f, 0xff, 0xaf}},
+    {{0x87, 0xff, 0xaf}},
+    {{0xaf, 0xff, 0xaf}},
+    {{0xd7, 0xff, 0xaf}},
+    {{0xff, 0xff, 0xaf}},
+    {{0x00, 0x00, 0xd7}},
+    {{0x5f, 0x00, 0xd7}},
+    {{0x87, 0x00, 0xd7}},
+    {{0xaf, 0x00, 0xd7}},
+    {{0xd7, 0x00, 0xd7}},
+    {{0xff, 0x00, 0xd7}},
+    {{0x00, 0x5f, 0xd7}},
+    {{0x5f, 0x5f, 0xd7}},
+    {{0x87, 0x5f, 0xd7}},
+    {{0xaf, 0x5f, 0xd7}},
+    {{0xd7, 0x5f, 0xd7}},
+    {{0xff, 0x5f, 0xd7}},
+    {{0x00, 0x87, 0xd7}},
+    {{0x5f, 0x87, 0xd7}},
+    {{0x87, 0x87, 0xd7}},
+    {{0xaf, 0x87, 0xd7}},
+    {{0xd7, 0x87, 0xd7}},
+    {{0xff, 0x87, 0xd7}},
+    {{0x00, 0xaf, 0xd7}},
+    {{0x5f, 0xaf, 0xd7}},
+    {{0x87, 0xaf, 0xd7}},
+    {{0xaf, 0xaf, 0xd7}},
+    {{0xd7, 0xaf, 0xd7}},
+    {{0xff, 0xaf, 0xd7}},
+    {{0x00, 0xd7, 0xd7}},
+    {{0x5f, 0xd7, 0xd7}},
+    {{0x87, 0xd7, 0xd7}},
+    {{0xaf, 0xd7, 0xd7}},
+    {{0xd7, 0xd7, 0xd7}},
+    {{0xff, 0xd7, 0xd7}},
+    {{0x00, 0xff, 0xd7}},
+    {{0x5f, 0xff, 0xd7}},
+    {{0x87, 0xff, 0xd7}},
+    {{0xaf, 0xff, 0xd7}},
+    {{0xd7, 0xff, 0xd7}},
+    {{0xff, 0xff, 0xd7}},
+    {{0x00, 0x00, 0xff}},
+    {{0x5f, 0x00, 0xff}},
+    {{0x87, 0x00, 0xff}},
+    {{0xaf, 0x00, 0xff}},
+    {{0xd7, 0x00, 0xff}},
+    {{0xff, 0x00, 0xff}},
+    {{0x00, 0x5f, 0xff}},
+    {{0x5f, 0x5f, 0xff}},
+    {{0x87, 0x5f, 0xff}},
+    {{0xaf, 0x5f, 0xff}},
+    {{0xd7, 0x5f, 0xff}},
+    {{0xff, 0x5f, 0xff}},
+    {{0x00, 0x87, 0xff}},
+    {{0x5f, 0x87, 0xff}},
+    {{0x87, 0x87, 0xff}},
+    {{0xaf, 0x87, 0xff}},
+    {{0xd7, 0x87, 0xff}},
+    {{0xff, 0x87, 0xff}},
+    {{0x00, 0xaf, 0xff}},
+    {{0x5f, 0xaf, 0xff}},
+    {{0x87, 0xaf, 0xff}},
+    {{0xaf, 0xaf, 0xff}},
+    {{0xd7, 0xaf, 0xff}},
+    {{0xff, 0xaf, 0xff}},
+    {{0x00, 0xd7, 0xff}},
+    {{0x5f, 0xd7, 0xff}},
+    {{0x87, 0xd7, 0xff}},
+    {{0xaf, 0xd7, 0xff}},
+    {{0xd7, 0xd7, 0xff}},
+    {{0xff, 0xd7, 0xff}},
+    {{0x00, 0xff, 0xff}},
+    {{0x5f, 0xff, 0xff}},
+    {{0x87, 0xff, 0xff}},
+    {{0xaf, 0xff, 0xff}},
+    {{0xd7, 0xff, 0xff}},
+    {{0xff, 0xff, 0xff}},
+    {{0x00, 0x00, 0x00}},
+    {{0x12, 0x12, 0x12}},
+    {{0x1c, 0x1c, 0x1c}},
+    {{0x26, 0x26, 0x26}},
+    {{0x30, 0x30, 0x30}},
+    {{0x3a, 0x3a, 0x3a}},
+    {{0x44, 0x44, 0x44}},
+    {{0x4e, 0x4e, 0x4e}},
+    {{0x58, 0x58, 0x58}},
+    {{0x62, 0x62, 0x62}},
+    {{0x6c, 0x6c, 0x6c}},
+    {{0x76, 0x76, 0x76}},
+    {{0x80, 0x80, 0x80}},
+    {{0x8a, 0x8a, 0x8a}},
+    {{0x94, 0x94, 0x94}},
+    {{0x9e, 0x9e, 0x9e}},
+    {{0xa8, 0xa8, 0xa8}},
+    {{0xb2, 0xb2, 0xb2}},
+    {{0xbc, 0xbc, 0xbc}},
+    {{0xc6, 0xc6, 0xc6}},
+    {{0xd0, 0xd0, 0xd0}},
+    {{0xda, 0xda, 0xda}},
+    {{0xe4, 0xe4, 0xe4}},
+    {{0xee, 0xee, 0xee}},
+};