# HG changeset patch
# User John Swensen <jpswensen@gmail.com>
# Date 1285709089 14400
# Node ID 169f59f626d34426369d0c175c7e34cb66a1c863
# Parent  8a6b7947f6185242f45c2af3cc09f84b79996388
Add check for QuantumDepth at initialization of *Magick and an associated warning

diff --git a/src/ChangeLog b/src/ChangeLog
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,8 @@
+2010-09-28  John P. Swensen  <jpswensen@gmail.com>
+
+	* DLD-FUNCTIONS/__magick_read__.cc (maybe_initialize_magick):
+	Warn on initialization of *Magick if QuantumDepth is less than 32.
+
 2010-09-28  John P. Swensen  <jpswensen@gmail.com>
 
 	* DLD-FUNCTIONS/__magick_read__.cc (F__magick_format_list__):
diff --git a/src/DLD-FUNCTIONS/__magick_read__.cc b/src/DLD-FUNCTIONS/__magick_read__.cc
--- a/src/DLD-FUNCTIONS/__magick_read__.cc
+++ b/src/DLD-FUNCTIONS/__magick_read__.cc
@@ -391,6 +391,10 @@
       // Restore locale from before GraphicsMagick initialisation
       setlocale (LC_ALL, locale.c_str ());
 
+      if (QuantumDepth < 32)
+        warning ("your version of %s limits images to %d bits per pixel",
+                 MagickPackageName, QuantumDepth);
+
       initialized = true;
     }
 #endif