diff --git a/ChangeLog b/ChangeLog
index 6557b728d..12ba74620 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,12 @@
+2024-11-18 Matvii Jarosh <matviijarosh@gmail.com>
+
+	* Source/NSGeometry.m: added NSIntegralRectWithOptions function.
+	* Header/Foundation/NSGeometry.h: Fixed incompatible NSRectEdge,
+	added enum NSAlignmentOptions, added NSRectFromCGRect,
+	NSRectToCGRect, NSPointFromCGPoint, NSPointToCGPoint,
+	NSSizeFromCGSize and NSSizeToCGSizea functions.
+	* MISSING:
+
 2024-11-14 Richard Frith-Macdonald <rfm@gnu.org>
 
 	* Source/NSBundle.m: Restructure a bit to expose resource lookup
diff --git a/Headers/Foundation/NSGeometry.h b/Headers/Foundation/NSGeometry.h
index 491f60bf8..2689adf15 100644
--- a/Headers/Foundation/NSGeometry.h
+++ b/Headers/Foundation/NSGeometry.h
@@ -97,13 +97,13 @@ typedef NSRect *NSRectArray;
 typedef NSRect *NSRectPointer;
 #endif
 
-enum
+typedef enum
 {
   NSMinXEdge = 0,
   NSMinYEdge = 1,
   NSMaxXEdge = 2,
   NSMaxYEdge = 3
-};
+} NSRectEdge;
 /** Sides of a rectangle.
 <example>
 {
@@ -113,8 +113,72 @@ enum
   NSMaxYEdge
 }
 </example>
- */
-typedef NSUInteger NSRectEdge;
+ <p>NSRectEdge</p>*/
+// typedef NSUInteger NSRectEdge;
+/** A value representing the alignment process
+<example>
+{
+  NSAlignMinXInward,
+  NSAlignMinYInward,
+  NSAlignMaxXInward,
+  NSAlignMaxYInward,
+  NSAlignWidthInward,
+  NSAlignHeightInward,   
+  NSAlignMinXOutward,
+  NSAlignMinYOutward,
+  NSAlignMaxXOutward,
+  NSAlignMaxYOutward,
+  NSAlignWidthOutward,
+  NSAlignHeightOutward,
+  NSAlignMinXNearest,
+  NSAlignMinYNearest,
+  NSAlignMaxXNearest,
+  NSAlignMaxYNearest,
+  NSAlignWidthNearest,
+  NSAlignHeightNearest,
+  NSAlignRectFlipped,
+  NSAlignAllEdgesInward,
+  NSAlignAllEdgesOutward,
+  NSAlignAllEdgesNearest
+}
+</example>
+ <p>NSAlignmentOptions</p>*/
+#if OS_API_VERSION(MAC_OS_X_VERSION_10_7, GS_API_LATEST)
+typedef enum
+{
+  NSAlignMinXInward = 1ULL << 0,
+  NSAlignMinYInward = 1ULL << 1,
+  NSAlignMaxXInward = 1ULL << 2,
+  NSAlignMaxYInward = 1ULL << 3,
+  NSAlignWidthInward = 1ULL << 4,
+  NSAlignHeightInward = 1ULL << 5,    
+  NSAlignMinXOutward = 1ULL << 8,
+  NSAlignMinYOutward = 1ULL << 9,
+  NSAlignMaxXOutward = 1ULL << 10,
+  NSAlignMaxYOutward = 1ULL << 11,
+  NSAlignWidthOutward = 1ULL << 12,
+  NSAlignHeightOutward = 1ULL << 13,    
+  NSAlignMinXNearest = 1ULL << 16,
+  NSAlignMinYNearest = 1ULL << 17,
+  NSAlignMaxXNearest = 1ULL << 18,
+  NSAlignMaxYNearest = 1ULL << 19,
+  NSAlignWidthNearest = 1ULL << 20,
+  NSAlignHeightNearest = 1ULL << 21,    
+  NSAlignRectFlipped = 1ULL << 63,
+  NSAlignAllEdgesInward = NSAlignMinXInward
+  | NSAlignMaxXInward
+  | NSAlignMinYInward
+  | NSAlignMaxYInward,
+  NSAlignAllEdgesOutward = NSAlignMinXOutward
+  | NSAlignMaxXOutward
+  | NSAlignMinYOutward
+  | NSAlignMaxYOutward,
+  NSAlignAllEdgesNearest = NSAlignMinXNearest
+  | NSAlignMaxXNearest
+  | NSAlignMinYNearest
+  | NSAlignMaxYNearest
+} NSAlignmentOptions;
+#endif
 
 /**
 <example>{
@@ -195,7 +259,7 @@ NSMakeSize(CGFloat w, CGFloat h)
 
 GS_GEOM_SCOPE NSRect
 NSMakeRect(CGFloat x, CGFloat y, CGFloat w, CGFloat h) GS_GEOM_ATTR;
-
+    
 /** Returns an NSRect having point of origin (x, y) and size {w, h}. */
 GS_GEOM_SCOPE NSRect
 NSMakeRect(CGFloat x, CGFloat y, CGFloat w, CGFloat h)
@@ -209,6 +273,68 @@ NSMakeRect(CGFloat x, CGFloat y, CGFloat w, CGFloat h)
   return rect;
 }
 
+#if OS_API_VERSION(MAC_OS_X_VERSION_10_5, GS_API_LATEST)
+GS_GEOM_SCOPE NSRect
+NSRectFromCGRect(CGRect rect) GS_GEOM_ATTR;
+
+/** Return an NSRect from CGRect.  **/
+GS_GEOM_SCOPE NSRect
+NSRectFromCGRect(CGRect rect)
+{
+  return (NSRect)rect;
+}
+
+GS_GEOM_SCOPE CGRect
+NSRectToCGRect(NSRect rect) GS_GEOM_ATTR;
+
+/** Return an CGRect from NSRect.  **/
+GS_GEOM_SCOPE CGRect
+NSRectToCGRect(NSRect rect)
+{
+  return (CGRect)rect;
+}
+
+GS_GEOM_SCOPE NSPoint
+NSPointFromCGPoint(CGPoint point) GS_GEOM_ATTR;
+
+/** Return an NSPoint from CGPoint  **/
+GS_GEOM_SCOPE NSPoint
+NSPointFromCGPoint(CGPoint point)
+{
+  return (NSPoint)point;
+}
+
+GS_GEOM_SCOPE CGPoint
+NSPointToCGPoint(NSPoint point) GS_GEOM_ATTR;
+
+/** Return an CGPoint from NSPoint  **/
+GS_GEOM_SCOPE CGPoint
+NSPointToCGPoint(NSPoint point)
+{
+  return (CGPoint)point;
+}
+
+GS_GEOM_SCOPE NSSize
+NSSizeFromCGSize(CGSize size) GS_GEOM_ATTR;
+
+/** Return an NSSize from CGSize  **/
+GS_GEOM_SCOPE NSSize
+NSSizeFromCGSize(CGSize size)
+{
+  return (NSSize)size;
+}
+
+GS_GEOM_SCOPE CGSize
+NSSizeToCGSize(NSSize size) GS_GEOM_ATTR;
+
+/** Return an CGSize from NSSize  **/
+GS_GEOM_SCOPE CGSize
+NSSizeToCGSize(NSSize size)
+{
+  return (CGSize)size;
+}  
+#endif
+  
 /** Constructs NSEdgeInsets. **/
 #if OS_API_VERSION(MAC_OS_X_VERSION_10_7, GS_API_LATEST)
 GS_GEOM_SCOPE NSEdgeInsets
@@ -382,6 +508,12 @@ NSDivideRect(NSRect aRect,
 GS_EXPORT NSRect
 NSIntegralRect(NSRect aRect);
 
+/** Returns a rectangle obtained by expanding aRect minimally
+ * so that all four of its defining components are integers, 
+ * using the specified alignment options to control rounding behavior.  */
+GS_EXPORT NSRect
+NSIntegralRectWithOptions(NSRect aRect, NSAlignmentOptions options);
+
 /** Compute a Third Rectangle from Two Rectangles... **/
 
 GS_GEOM_SCOPE NSRect
diff --git a/MISSING b/MISSING
index ae27d0b1a..cb5f906b0 100644
--- a/MISSING
+++ b/MISSING
@@ -221,19 +221,8 @@ NSGeometry:
 	<Foundation/NSValue.h>
 	<Foundation/NSCoder.h>
 
-	incompatible NSRectEdge
-	NSAlignmentOptions
-
 	@class NSString
 
-	NSRectFromCGRect()
-	NSRectToCGRect()
-	NSPointFromCGPoint()
-	NSPointToCGPoint()
-	NSSizeFromCGSize()
-	NSSizeToCGSize()
-	NSIntegralRectWithOptions()
-
 	@interface NSValue (NSValueGeometryExtensions)
 	@interface NSCoder (NSGeometryCoding)
 	@interface NSCoder (NSGeometryKeyedCoding)
diff --git a/Source/NSGeometry.m b/Source/NSGeometry.m
index a3d15538f..4466dc203 100644
--- a/Source/NSGeometry.m
+++ b/Source/NSGeometry.m
@@ -100,6 +100,50 @@ NSIntegralRect(NSRect aRect)
   return rect;
 }
 
+NSRect
+NSIntegralRectWithOptions(NSRect aRect, NSAlignmentOptions options)
+{
+  NSRect rect;
+  CGFloat maxX, maxY;
+
+  if (NSIsEmptyRect(aRect))
+    return NSMakeRect(0, 0, 0, 0);
+
+  if (options & NSAlignMinXInward)
+    rect.origin.x = ceil(NSMinX(aRect));
+  else if (options & NSAlignMinXOutward)
+    rect.origin.x = floor(NSMinX(aRect));
+  else
+    rect.origin.x = round(NSMinX(aRect));
+
+  if (options & NSAlignMinYInward)
+    rect.origin.y = ceil(NSMinY(aRect));
+  else if (options & NSAlignMinYOutward)
+    rect.origin.y = floor(NSMinY(aRect));
+  else
+    rect.origin.y = round(NSMinY(aRect));
+
+  if (options & NSAlignMaxXInward)
+    maxX = floor(NSMaxX(aRect));
+  else if (options & NSAlignMaxXOutward)
+    maxX = ceil(NSMaxX(aRect));
+  else
+    maxX = round(NSMaxX(aRect));
+
+  if (options & NSAlignMaxYInward)
+    maxY = floor(NSMaxY(aRect));
+  else if (options & NSAlignMaxYOutward)
+    maxY = ceil(NSMaxY(aRect));
+  else
+    maxY = round(NSMaxY(aRect));
+
+  rect.size.width = maxX - rect.origin.x;
+  rect.size.height = maxY - rect.origin.y;
+
+  return rect;
+}
+
+
 void 	
 NSDivideRect(NSRect aRect,
              NSRect *slice,
@@ -508,4 +552,3 @@ NSEdgeInsetsEqual(NSEdgeInsets e1, NSEdgeInsets e2)
     && almostEqual(e1.right, e2.right)
   );
 }
-