remove comments

Assets/UIWidgets/painting/alignment.cs

         public static readonly Alignment bottomCenter = new Alignment(0.0, 1.0);
         public static readonly Alignment bottomRight = new Alignment(1.0, 1.0);
 
-        public Alignment resolve(TextDirection direction)
-        {
-            return this;
-        }
-
         public Alignment add(Alignment other)
         {
             return this + other;

Assets/UIWidgets/rendering/image.cs

             BoxFit fit,
             ImageRepeat repeat,
             Rect centerSlice,
-//            TextDirection textDirection,
+            TextDirection textDirection,
-//            AlignmentGeometry alignment = null,
+            Alignment alignment = null,
             double scale = 1.0
         )
         {
             this._fit = fit;
             this._repeat = repeat;
             this._centerSlice = centerSlice;
-//            this._matchTextDirection = matchTextDirection;
+            this._matchTextDirection = matchTextDirection;
-//            this._alignment = alignment ?? Alignment.center;
+            this._alignment = alignment ?? Alignment.center;
             this._textDirection = textDirection;
             _updateColorFilter();
         }
         {
             if (_resolvedAlignment != null)
                 return;
-//            _resolvedAlignment = alignment.resolve(textDirection);
+            _resolvedAlignment = alignment;
             _flipHorizontally = matchTextDirection && textDirection == TextDirection.rtl;
         }
 
                     return;
                 _image = value;
                 markNeedsPaint();
-                if (_width == null || _height == null)
+                if (_width == 0.0 || _height == 0.0)
                     markNeedsLayout();
             }
         }
             }
         }
 
-//        private AlignmentGeometry _alignment;
+        private Alignment _alignment;
-//        public AlignmentGeometry alignment
-//        {
-//            get { return _alignment; }
-//            set
-//            {
-//                if (value == _alignment)
-//                    return;
-//                _alignment = value;
-//                _markNeedsResolution();
-//            }
-//        }
+        public Alignment alignment
+        {
+            get { return _alignment; }
+            set
+            {
+                if (value == _alignment)
+                    return;
+                _alignment = value;
+                _markNeedsResolution();
+            }
+        }
 
         private ImageRepeat _repeat;