# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1444488039 -7200
# Node ID a4c68f7a15ea4dd01f8d94bca48d68ed7ba9bb6c
# Parent  7d63ab284ab8ae3019392227a8e4a040dac7516d
Fixed half-resolution preview pixel step.

diff -r 7d63ab284ab8 -r a4c68f7a15ea optimiser.py
--- a/optimiser.py	Sat Oct 10 15:25:12 2015 +0200
+++ b/optimiser.py	Sat Oct 10 16:40:39 2015 +0200
@@ -307,7 +307,7 @@
     step = half_resolution_preview and 2 or 1
 
     for y in range(0, height):
-        for x in range(0, width):
+        for x in range(0, width, step):
             rgb = im.getpixel((x, y))
             value = get_value(rgb)
             im.putpixel((x, y), value)