From a277b7cfe73bdb2ab8499775f9ff57d727b281c5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20R=C3=B6nnkvist?= <daniel.ronnkvist@storykit.io>
Date: Mon, 20 Apr 2020 08:45:52 +0200
Subject: [PATCH] feat: MagickFxImage bindning

New macro to create a new wand from another wand.
---
 src/wand/macros.rs | 4 ++++
 src/wand/magick.rs | 6 ++++++
 2 files changed, 10 insertions(+)

diff --git a/src/wand/macros.rs b/src/wand/macros.rs
index eff0d2b..abbdcfe 100644
--- a/src/wand/macros.rs
+++ b/src/wand/macros.rs
@@ -29,6 +29,10 @@ macro_rules! wand_common {
                 }
             }
 
+            pub fn new_from_wand(wand: *mut ::bindings::$wand) -> Self {
+                $wand { wand }
+            }
+
             fn clear(&mut self) {
                 unsafe { ::bindings::$clear_wand(self.wand) }
             }
diff --git a/src/wand/magick.rs b/src/wand/magick.rs
index f710a07..0152045 100644
--- a/src/wand/magick.rs
+++ b/src/wand/magick.rs
@@ -243,6 +243,12 @@ impl MagickWand {
         }
     }
 
+    pub fn fx(&mut self, expression: &str) -> MagickWand {
+        let c_expression = CString::new(expression).unwrap();
+        let wand = unsafe { bindings::MagickFxImage(self.wand, c_expression.as_ptr()) };
+        MagickWand::new_from_wand(wand)
+    }
+
     pub fn set_size(&self, columns: size_t, rows: size_t) -> Result<(), &'static str> {
         let result = unsafe { bindings::MagickSetSize(self.wand, columns, rows) };
         match result {