From 0a470d2daf8ec8a1ba0abfea053af4b4d0955ff6 Mon Sep 17 00:00:00 2001
From: Jay Berkenbilt <ejb@ql.org>
Date: Thu, 31 Jan 2019 16:07:33 -0500
Subject: Don't optimize non-8-bit images

Also add test cases for additional coverage on image optimization.
---
 manual/qpdf-manual.xml | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'manual')

diff --git a/manual/qpdf-manual.xml b/manual/qpdf-manual.xml
index 834942ff..1b4dd31b 100644
--- a/manual/qpdf-manual.xml
+++ b/manual/qpdf-manual.xml
@@ -4454,6 +4454,13 @@ print "\n";
           suite and properly handled.
          </para>
         </listitem>
+        <listitem>
+         <para>
+           When optimizing images, detect and refuse to optimize
+           images that can't be converted to JPEG because of bit depth
+           or color space.
+         </para>
+        </listitem>
         <listitem>
          <para>
           Linearization and page manipulation APIs now detect and
-- 
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