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author | kongr45gpen <electrovesta@gmail.com> | 2015-01-02 09:02:01 +0200 |
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committer | kongr45gpen <electrovesta@gmail.com> | 2015-01-02 09:02:01 +0200 |
commit | 8c86df341d04e289ea6b9e58d3af69027904d4db (patch) | |
tree | a4934767902d2c3463de743e0300a25857a4af62 /local | |
parent | fb1c05d783f62d2ca3a3bb71691877c2bfe2994d (diff) | |
download | supybot_github-8c86df341d04e289ea6b9e58d3af69027904d4db.tar.gz supybot_github-8c86df341d04e289ea6b9e58d3af69027904d4db.tar.bz2 supybot_github-8c86df341d04e289ea6b9e58d3af69027904d4db.zip |
Add source for colour distance algorithm
Diffstat (limited to 'local')
-rw-r--r-- | local/utility.py | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/local/utility.py b/local/utility.py index 20802b8..cbbb138 100644 --- a/local/utility.py +++ b/local/utility.py @@ -149,6 +149,7 @@ def _hex_to_rgb(value): return tuple(int(value[i:i + lv // 3], 16) for i in range(0, lv, lv // 3)) def _colourDistance(a, b): + # Source: http://www.compuphase.com/cmetric.htm rmean = (a[0] + b[0]) /2 red = a[0] - b[0] green = a[1] - b[1] |