From 42283e6e8657b9147f7e3837823562795678543c Mon Sep 17 00:00:00 2001
From: Bromine <bromine0x23@gmail.com>
Date: Tue, 15 Mar 2016 02:21:21 +0800
Subject: [PATCH] use binmode on capture3

---
 lib/imgkit/imgkit.rb | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/lib/imgkit/imgkit.rb b/lib/imgkit/imgkit.rb
index b42e80c..28c5d7e 100644
--- a/lib/imgkit/imgkit.rb
+++ b/lib/imgkit/imgkit.rb
@@ -111,8 +111,9 @@ def to_img(format = nil, path = nil)
     append_javascripts
     set_format(format)
 
-    opts = @source.html? ? {:stdin_data => @source.to_s} : {}
-    result, stderr = capture3(*(command(path) + [opts]))
+    opts = {:binmode => true}
+    opts[:stdin_data] = @source.to_s if @source.html?
+    result, stderr = capture3(*command(path), opts)
     result.force_encoding("ASCII-8BIT") if result.respond_to? :force_encoding
     raise CommandFailedError.new(command.join(' '), stderr) if path.nil? and result.size == 0
     result