From 9d50616c7dc3060ef54360173a9d13325fd3e45e Mon Sep 17 00:00:00 2001
From: Alessandro Ranellucci <aar@cpan.org>
Date: Mon, 5 Aug 2013 19:22:33 +0200
Subject: [PATCH] Ported align_to_origin()

---
 xs/src/TriangleMesh.cpp | 9 +++++++++
 xs/src/TriangleMesh.hpp | 1 +
 xs/t/01_trianglemesh.t  | 5 ++++-
 xs/xsp/TriangleMesh.xsp | 1 +
 4 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/xs/src/TriangleMesh.cpp b/xs/src/TriangleMesh.cpp
index 31876f9fdd..77cc9c387b 100644
--- a/xs/src/TriangleMesh.cpp
+++ b/xs/src/TriangleMesh.cpp
@@ -112,4 +112,13 @@ void TriangleMesh::translate(float x, float y, float z)
     stl_translate(&(this->stl), x, y, z);
 }
 
+void TriangleMesh::align_to_origin()
+{
+    this->translate(
+        -(this->stl.stats.min.x),
+        -(this->stl.stats.min.y),
+        -(this->stl.stats.min.z)
+    );
+}
+
 }
diff --git a/xs/src/TriangleMesh.hpp b/xs/src/TriangleMesh.hpp
index b82e8d982a..c9e5a3f790 100644
--- a/xs/src/TriangleMesh.hpp
+++ b/xs/src/TriangleMesh.hpp
@@ -17,6 +17,7 @@ class TriangleMesh
     void WriteOBJFile(char* output_file);
     void scale(float factor);
     void translate(float x, float y, float z);
+    void align_to_origin();
     stl_file stl;
 };
 
diff --git a/xs/t/01_trianglemesh.t b/xs/t/01_trianglemesh.t
index c888ae91d9..760c6af049 100644
--- a/xs/t/01_trianglemesh.t
+++ b/xs/t/01_trianglemesh.t
@@ -4,7 +4,7 @@ use strict;
 use warnings;
 
 use Slic3r::XS;
-use Test::More tests => 7;
+use Test::More tests => 8;
 
 is Slic3r::TriangleMesh::XS::hello_world(), 'Hello world!',
     'hello world';
@@ -34,6 +34,9 @@ my $cube = {
     
     $m->translate(5,10,0);
     is_deeply $m->vertices->[0], [45,50,0], 'translate';
+    
+    $m->align_to_origin;
+    is_deeply $m->vertices->[2], [0,0,0], 'align_to_origin';
 }
 
 __END__
diff --git a/xs/xsp/TriangleMesh.xsp b/xs/xsp/TriangleMesh.xsp
index 7f47df61d1..9690a34892 100644
--- a/xs/xsp/TriangleMesh.xsp
+++ b/xs/xsp/TriangleMesh.xsp
@@ -14,6 +14,7 @@
     void WriteOBJFile(char* output_file);
     void scale(float factor);
     void translate(float x, float y, float z);
+    void align_to_origin();
 %{
 
 SV*