From 283af9448573c11081a7054a5d72b188af904684 Mon Sep 17 00:00:00 2001
From: giraffedata <giraffedata@9d0c8265-081b-0410-96cb-a4ca84ce46f8>
Date: Mon, 11 Jan 2010 09:06:14 +0000
Subject: Add pnm_backgroundtuple

git-svn-id: http://svn.code.sf.net/p/netpbm/code/trunk@1093 9d0c8265-081b-0410-96cb-a4ca84ce46f8
---
 lib/pam.h | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'lib/pam.h')

diff --git a/lib/pam.h b/lib/pam.h
index c28c5c2c..3d1f8532 100644
--- a/lib/pam.h
+++ b/lib/pam.h
@@ -483,6 +483,10 @@ pnm_YCbCr_to_rgbtuple(const struct pam * const pamP,
     ((tuple)[PAM_RED_PLANE] == (tuple)[PAM_GRN_PLANE] && \
      (tuple)[PAM_RED_PLANE] == (tuple)[PAM_BLU_PLANE])
 
+tuple
+pnm_backgroundtuple(struct pam *  const pamP,
+                    tuple      ** const tuples);
+
 /*----------------------------------------------------------------------------
    These are meant for passing to pm_system() as Standard Input feeder
    and Standard Output accepter.
-- 
cgit 1.4.1