From 88ceb3a4af33ab524a2d4ee959688a5f8e3617b0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?B=C5=82a=C5=BCej=20=C5=9Awi=C4=99cicki?=
 <blazej.swiecicki@pixers.pl>
Date: Fri, 18 May 2018 13:51:28 +0000
Subject: [PATCH] Add set_image_alpha_channel function

---
 src/wand/magick.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/wand/magick.rs b/src/wand/magick.rs
index 343b192..28bd0b0 100644
--- a/src/wand/magick.rs
+++ b/src/wand/magick.rs
@@ -538,6 +538,10 @@ impl MagickWand {
         MagickTransformImageColorspace => transform_image_colorspace(
             colorspace: bindings::ColorspaceType)
 
+        /// Set the image alpha channel mode.
+        MagickSetImageAlphaChannel => set_image_alpha_channel(
+            alpha_channel: bindings::AlphaChannelOption)
+
         /// Reduce the number of colors in the image.
         MagickQuantizeImage => quantize_image(
             number_of_colors: size_t, colorspace: bindings::ColorspaceType,