From 87c6136f3e9a9f074e49f25994e151d4a3f4e795 Mon Sep 17 00:00:00 2001
From: John Whitington <john@coherentgraphics.co.uk>
Date: Tue, 17 Dec 2024 15:53:55 +0000
Subject: [PATCH] In lossless_to_jpeg, prevent imagemagick returning a
 different colourspace

---
 cpdfimage.ml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cpdfimage.ml b/cpdfimage.ml
index 75effde..963e7fe 100644
--- a/cpdfimage.ml
+++ b/cpdfimage.ml
@@ -684,7 +684,7 @@ let lossless_to_jpeg pdf ~pixel_threshold ~length_threshold ~percentage_threshol
       (Filename.quote_command path_to_convert
         ((if components = 4 then ["-depth"; "8"; "-size"; string_of_int w ^ "x" ^ string_of_int h] else []) @
         [out; "-quality"; string_of_float qlossless ^ "%"] @
-        (if components = 1 then ["-colorspace"; "Gray"] else if components = 4 then ["-colorspace"; "CMYK"] else []) @
+        (if components = 1 then ["-colorspace"; "Gray"] else if components = 4 then ["-colorspace"; "CMYK"] else ["-type"; "truecolor"]) @
         [out2]))
     in
       (*Printf.printf "%S\n" command;*) Sys.command command