From 5a2e0d6a4d1d4b429a368fd5cf8400ede0d8838d Mon Sep 17 00:00:00 2001
From: Davis King <davis@dlib.net>
Date: Tue, 15 May 2018 21:40:13 -0400
Subject: [PATCH] Added centered_rects()

---
 dlib/geometry/rectangle.h          | 15 +++++++++++++++
 dlib/geometry/rectangle_abstract.h | 14 ++++++++++++++
 2 files changed, 29 insertions(+)

diff --git a/dlib/geometry/rectangle.h b/dlib/geometry/rectangle.h
index 8be3136cc..ef2541969 100644
--- a/dlib/geometry/rectangle.h
+++ b/dlib/geometry/rectangle.h
@@ -571,6 +571,21 @@ namespace dlib
         return centered_rect(p.x(),p.y(),width,height);
     }
 
+// ----------------------------------------------------------------------------------------
+
+    inline std::vector<rectangle> centered_rects (
+        const std::vector<point>& pts,
+        unsigned long width,
+        unsigned long height
+    )
+    {
+        std::vector<rectangle> tmp;
+        tmp.reserve(pts.size());
+        for (auto& p : pts)
+            tmp.emplace_back(centered_rect(p, width, height));
+        return tmp;
+    }
+
 // ----------------------------------------------------------------------------------------
 
     inline const rectangle centered_rect (
diff --git a/dlib/geometry/rectangle_abstract.h b/dlib/geometry/rectangle_abstract.h
index 823dc6bc8..ca282bcf9 100644
--- a/dlib/geometry/rectangle_abstract.h
+++ b/dlib/geometry/rectangle_abstract.h
@@ -452,6 +452,20 @@ namespace dlib
                 - R.tl_corner() == point(p.x()-width/2, p.y()-height/2)
     !*/
 
+// ----------------------------------------------------------------------------------------
+
+    inline std::vector<rectangle> centered_rects (
+        const std::vector<point>& pts,
+        unsigned long width,
+        unsigned long height
+    );
+    /*!
+        ensures
+            - returns an array ARR where:
+                - #ARR.size() == pts.size()
+                - #ARR[i] == centered_rect(pts[i], width, height)
+    !*/
+
 // ----------------------------------------------------------------------------------------
 
     const rectangle centered_rect (