From: Ell <ell_se@yahoo.com>
Date: Thu, 14 Jun 2018 06:16:08 +0000 (-0400)
Subject: babl-palette: warn when trying to create a palette with > 256 colors
X-Git-Tag: archive/raspbian/1%0.1.106-3+rpi1^2~15^2~16^2~47
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=dc4c7706ac5a4ad085a1cf63c19922abc997c5fc;p=babl.git

babl-palette: warn when trying to create a palette with > 256 colors

... and only use the first 256 colors.
---

diff --git a/babl/babl-palette.c b/babl/babl-palette.c
index 278c854..c70d4ed 100644
--- a/babl/babl-palette.c
+++ b/babl/babl-palette.c
@@ -872,6 +872,16 @@ babl_palette_set_palette (const Babl *babl,
 {
   BablPalette **palptr = babl_get_user_data (babl);
   babl_palette_reset (babl);
+
+  if (count > 256)
+    {
+      babl_log ("attempt to create a palette with %d colors. "
+                "truncating to 256 colors.",
+                count);
+
+      count = 256;
+    }
+
   if (count > 0)
     {
       *palptr = make_pal (format, data, count);