added translation method to Common::Rect

svn-id: r24591

1 files changed, 7 insertions, 2 deletions

diff --git a/common/rect.h b/common/rect.h
index 1e37733af0..7751d9a84a 100644
--- a/common/rect.h
+++ b/common/rect.h
@@ -42,7 +42,7 @@ struct Point {
 	Point & operator=(const Point & p) { x = p.x; y = p.y; return *this; };
 	bool operator==(const Point & p) const { return x == p.x && y == p.y; };
 	bool operator!=(const Point & p) const { return x != p.x || y != p.y; };
-	
+
 	/**
 	 * Return the square of the distance between this point and the point p.
 	 *
@@ -53,7 +53,7 @@ struct Point {
 		int diffx = ABS(p.x - x);
 		if (diffx >= 0x1000)
 			return 0xFFFFFF;
-	
+
 		int diffy = ABS(p.y - y);
 		if (diffy >= 0x1000)
 			return 0xFFFFFF;
@@ -185,6 +185,11 @@ struct Rect {
 		left = x;
 	}
 
+	void translate(int16 dx, int16 dy) {
+		left += dx;	right += dx;
+		top += dy; bottom += dy;
+	}
+
 	void moveTo(const Point &p) {
 		moveTo(p.x, p.y);
 	}