From ebc4d1a86965af0a0d4e98094f76ca541d324ae8 Mon Sep 17 00:00:00 2001
From: giraffedata <giraffedata@9d0c8265-081b-0410-96cb-a4ca84ce46f8>
Date: Tue, 26 Jul 2022 16:38:27 +0000
Subject: comments

git-svn-id: http://svn.code.sf.net/p/netpbm/code/trunk@4368 9d0c8265-081b-0410-96cb-a4ca84ce46f8
---
 lib/libpnm3.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'lib/libpnm3.c')

diff --git a/lib/libpnm3.c b/lib/libpnm3.c
index 3970c734..ba408bd1 100644
--- a/lib/libpnm3.c
+++ b/lib/libpnm3.c
@@ -106,10 +106,14 @@ pnm_backgroundxelrow(xel *  const xelrow,
                      int    const cols,
                      xelval const maxval,
                      int    const format) {
+/*----------------------------------------------------------------------------
+   Guess a good background color for an image that contains row 'xelrow'
+   (probably top or bottom edge).
 
+   'cols', 'maxval', and 'format' describe 'xelrow'.
+-----------------------------------------------------------------------------*/
     xel bgxel, l, r;
 
-    /* Guess a good background value. */
     l = xelrow[0];
     r = xelrow[cols-1];
 
-- 
cgit 1.4.1