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-rw-r--r--info/blueshift.texinfo7
1 files changed, 7 insertions, 0 deletions
diff --git a/info/blueshift.texinfo b/info/blueshift.texinfo
index 877410d..902b1e6 100644
--- a/info/blueshift.texinfo
+++ b/info/blueshift.texinfo
@@ -489,6 +489,13 @@ For example, instead of using @code{cmf_10deg}, you
can use @code{lambda t : divide_by_maximum(cmf_10deg(t))}.
@end table
+If you have an ICC profile for calibration (applied last)
+or want to use one for as a video filter (applied first),
+the function @code{load_icc} can be used to load an ICC
+profile file. @code{load_icc} takes one argument, the
+pathname of the ICC profile file; the function returns
+a fuction that can be invoked to apply the profile.
+
Keep in mind that the order your call the
function matters. For example, adjusting
the gamma before the brightness does not