From 11b4b7806fa021c0a28ad81da0f6f43d3a0bbb32 Mon Sep 17 00:00:00 2001
From: ravi688 <rp0412204@gmail.com>
Date: Sat, 5 Oct 2024 04:40:54 +0530
Subject: [PATCH] [SUTK] Added AnchorRect::moveToCenterOfChild() utility
 function

---
 sutk/include/sutk/AnchorRect.hpp |  1 +
 sutk/source/AnchorRect.cpp       | 11 +++++++++++
 2 files changed, 12 insertions(+)

diff --git a/sutk/include/sutk/AnchorRect.hpp b/sutk/include/sutk/AnchorRect.hpp
index 807283a5..327e3def 100644
--- a/sutk/include/sutk/AnchorRect.hpp
+++ b/sutk/include/sutk/AnchorRect.hpp
@@ -36,6 +36,7 @@ namespace SUTK
 		// But it doesn't relcalculate if you change the child's Rect after this function call.
 		// You have to call this function again if you do so.
 		void fitToChildRect() noexcept;
+		void moveToCenterOfChild() noexcept;
 
 		// setters
 
diff --git a/sutk/source/AnchorRect.cpp b/sutk/source/AnchorRect.cpp
index 4e6b8ab6..230cecbd 100644
--- a/sutk/source/AnchorRect.cpp
+++ b/sutk/source/AnchorRect.cpp
@@ -64,6 +64,17 @@ namespace SUTK
 		setRect(anchorRect);
 	}
 
+	void AnchorRect::moveToCenterOfChild() noexcept
+	{
+		_com_assert(m_childRect != NULL);
+		_com_assert(m_parentRect != NULL);
+		Rect2Df childRect = m_childRect->getRect();
+		Vec2Df size = m_parentRect->getSize();
+		Rect2Df anchorRect;
+		anchorRect.setPosition(childRect.getCenter() / size);
+		setRect(anchorRect);
+	}
+
 	void AnchorRect::setRect(Rect2Df rect) noexcept
 	{
 		m_rect = rect;