From 579463633c120d5097aae00083ceff5970170114 Mon Sep 17 00:00:00 2001
From: Alexander Sulfrian <alexander@sulfrian.net>
Date: Fri, 23 Nov 2012 20:47:23 +0100
Subject: utils/rectangle: add + and =+ operator to move rectangle

Points could be added to rectangles and moves the rectangle by this
amount.
---
 src/utils/rectangle.hpp | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

(limited to 'src')

diff --git a/src/utils/rectangle.hpp b/src/utils/rectangle.hpp
index 7297cf47..5ea2787f 100644
--- a/src/utils/rectangle.hpp
+++ b/src/utils/rectangle.hpp
@@ -144,6 +144,25 @@ namespace usdx
 
 			return result;
 		}
+
+		const Rectangle<T> operator+(const Point<T>& offset)
+		{
+			Rectangle<T> tmp(*this);
+			tmp += offset;
+			return tmp;
+		}
+
+		Rectangle<T>& operator+=(const Point<T>& offset)
+		{
+			T height = this->get_height();
+			T width = this->get_width();
+			T left = this->get_left() + offset.get_x();
+			T top = this->get_top() + offset.get_y();
+
+			this->point1 = Point<T>(left, top);
+			this->point2 = Point<T>(left + width, top + height);
+			return *this;
+		}
 	};
 };
 
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