https://github.com/ImageMagick/ImageMagick/issues/1680

ImageMagick · Sep 7, 2019 · e16bf8b · e16bf8b
1 parent eb4d7b6
commit e16bf8b
Showing 1 changed file with 6 additions and 4 deletions.
diff --git a/magick/colorspace.c b/magick/colorspace.c
@@ -381,6 +381,11 @@ MagickExport MagickBooleanType RGBTransformImage(Image *image,
       return(status);
     }
     case LinearGRAYColorspace:
+    {
+      if ((image->intensity != Rec601LuminancePixelIntensityMethod) &&
+          (image->intensity != Rec709LuminancePixelIntensityMethod))
+        image->intensity=Rec709LuminancePixelIntensityMethod;
+    }
     case GRAYColorspace:
     {
       /*
@@ -1209,10 +1214,7 @@ MagickExport MagickBooleanType SetImageColorspace(Image *image,
   if (IsGrayColorspace(colorspace) != MagickFalse)
     {
       if (colorspace == LinearGRAYColorspace)
-        {
-          image->gamma=1.0;
-          image->intensity=Rec709LuminancePixelIntensityMethod;
-        }
+        image->gamma=1.0;
       type=GrayscaleType;
     }
   else