From: Dirk Lemstra <dirk@git.imagemagick.org>
Date: Sun, 4 Feb 2018 08:48:18 +0000 (+0100)
Subject: Added initialisation of the new min_channels field to the tiff coder.
X-Git-Tag: 7.0.7-23~152
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=59adcfe43c3c7e6f29ba0fcb6e855878236d9ef9;p=imagemagick

Added initialisation of the new min_channels field to the tiff coder.
---

diff --git a/coders/tiff.c b/coders/tiff.c
index 6e479251e..5bc1bc871 100644
--- a/coders/tiff.c
+++ b/coders/tiff.c
@@ -293,7 +293,12 @@ static void InitPSDInfo(const Image *image, PSDInfo *info)
   if (image->storage_class == PseudoClass)
     info->mode=2; // indexed mode
   else
-    info->channels=(unsigned short) image->number_channels;
+    {
+      info->channels=(unsigned short) image->number_channels;
+      info->min_channels=info->channels;
+      if (image->alpha_trait == BlendPixelTrait)
+        info->min_channels--;
+    }
 }
 #endif