From: glennrp <glennrp@git.imagemagick.org>
Date: Sat, 20 Aug 2011 05:08:53 +0000 (+0000)
Subject: The -strip option was excluding the PNG tRNS chunk.
X-Git-Tag: 7.0.1-0~7173
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=104f206c40efbb0a0eeba846672009345423e969;p=imagemagick

The -strip option was excluding the PNG tRNS chunk.
---

diff --git a/MagickCore/image.c b/MagickCore/image.c
index 1f8610c2f..9f183592d 100644
--- a/MagickCore/image.c
+++ b/MagickCore/image.c
@@ -4059,7 +4059,7 @@ MagickExport MagickBooleanType StripImage(Image *image)
   (void) DeleteImageProperty(image,"comment");
   (void) DeleteImageProperty(image,"date:create");
   (void) DeleteImageProperty(image,"date:modify");
-  (void) SetImageArtifact(image,"png:include-chunk","none,gama");
+  (void) SetImageArtifact(image,"png:include-chunk","none,trns,gama");
   return(MagickTrue);
 }
 
diff --git a/coders/png.c b/coders/png.c
index d54ff54e2..8b559d824 100644
--- a/coders/png.c
+++ b/coders/png.c
@@ -11005,7 +11005,7 @@ static MagickBooleanType WritePNGImage(const ImageInfo *image_info,
    * is forced to be 4 or 6 (GRAY_ALPHA or RGB_ALPHA).
    *
    * The -strip option causes StripImage() to set the png:include-chunk
-   * artifact to "none,gama".
+   * artifact to "none,trns,gama".
    */
 
   mng_info->ping_exclude_bKGD=MagickFalse;