Fixed #507 - channel failure with Image.gaussian_blur() for ImageMagi…

…ck-6
emcconville · Nov 20, 2020 · c31f6f7 · c31f6f7
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commit c31f6f7
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diff --git a/docs/changes.rst b/docs/changes.rst
@@ -16,6 +16,7 @@ Unreleased.
 
  - Fixed `MagickFloatType` mapping for **s390x** architecture. [:issue:`504` & :issue:`505`]
  - Fixed image order when calling :meth:`wand.sequence.Sequence.__setitem__()` method. [:issue:`506`]
+ - Fixed :meth:`Image.gaussian_blur() <wand.image.BaseImage.gaussian_blur>` method with ``channel`` parameter. [:issue:`508`]
  - Added :meth:`Image.color_threshold() <wand.image.BaseImage.color_threshold>` method.
  - Added :meth:`Image.convex_hull() <wand.image.BaseImage.convex_hull>` method. Requires ImageMagick-7.0.10 or above.
  - Added :meth:`Image.kmeans() <wand.image.BaseImage.kmeans>` method. Only available with ImageMagick-7.0.10-37 or later.

diff --git a/wand/cdefs/magick_image.py b/wand/cdefs/magick_image.py
@@ -407,7 +407,7 @@ def load(lib, IM_VERSION):
     lib.MagickGaussianBlurImage.restype = c_bool
     if is_im_6:
         lib.MagickGaussianBlurImageChannel.argtypes = [
-            c_void_p, c_double, c_double
+            c_void_p, c_int, c_double, c_double
         ]
         lib.MagickGaussianBlurImageChannel.restype = c_bool
     else: