From fd62558d54c9f24dbce12e0b50a5147add7154ad Mon Sep 17 00:00:00 2001
From: Tact Yoshida <otakuto893@gmail.com>
Date: Feb 03 2020 20:12:52 +0000
Subject: Use std::copy_if


---

diff --git a/toonz/sources/tnztools/levelselection.cpp b/toonz/sources/tnztools/levelselection.cpp
index bd77907..bfa0d42 100644
--- a/toonz/sources/tnztools/levelselection.cpp
+++ b/toonz/sources/tnztools/levelselection.cpp
@@ -13,12 +13,9 @@
 #include "tregion.h"
 
 // Boost includes
-#include <boost/algorithm/cxx11/copy_if.hpp>
 #include <boost/iterator/counting_iterator.hpp>
 #include <boost/bind.hpp>
 
-namespace boost_a = boost::algorithm;
-
 //*******************************************************************************
 //    Local namespace  stuff
 //*******************************************************************************
@@ -108,10 +105,10 @@ void getBoundaries(TVectorImage &vi, std::vector<int> &strokes) {
   }
 
   // Output all not internal regions
-  boost_a::copy_if(boost::make_counting_iterator(0u),
-                   boost::make_counting_iterator(vi.getStrokeCount()),
-                   std::back_inserter(strokes),
-                   boost::bind(locals::isBoundary, sData, _1));
+  std::copy_if(boost::make_counting_iterator(0u),
+               boost::make_counting_iterator(vi.getStrokeCount()),
+               std::back_inserter(strokes),
+               boost::bind(locals::isBoundary, sData, _1));
 }
 
 }  // namespace