From a7c3b30fc8b4be3eb68b041bdd8b53356348f0b8 Mon Sep 17 00:00:00 2001
From: Dmitry Bubelnik <dmitry.bubelnik@softsmile.com>
Date: Fri, 25 Oct 2024 11:39:58 +0300
Subject: [PATCH] implement boolean logic in bitmap2

---
 spatial/Bitmap2.cs | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/spatial/Bitmap2.cs b/spatial/Bitmap2.cs
index 8226c24e..735cb6b6 100644
--- a/spatial/Bitmap2.cs
+++ b/spatial/Bitmap2.cs
@@ -68,6 +68,8 @@ public Bitmap2(BitArray bits, Vector2i dimensions)
 
         public AxisAlignedBox2i GridBounds => new AxisAlignedBox2i(Vector2i.Zero, Dimensions);
 
+        public BitArray BitsCopy => (BitArray)_bits.Clone();
+
         public bool this[int i]
         {
             get { return _bits[i]; }
@@ -176,7 +178,13 @@ public IEnumerable<Vector2i> NonZeros()
             }
         }
 
-        public Bitmap2 Not() => new Bitmap2(((BitArray)_bits.Clone()).Not(), _dimensions);
+        public Bitmap2 Not() => new Bitmap2(BitsCopy.Not(), _dimensions);
+
+        public Bitmap2 Or(Bitmap2 other) => new Bitmap2(BitsCopy.Or(other._bits), _dimensions);
+
+        public Bitmap2 Xor(Bitmap2 other) => new Bitmap2(BitsCopy.Xor(other._bits), _dimensions);
+
+        public Bitmap2 And(Bitmap2 other) => new Bitmap2(BitsCopy.And(other._bits), _dimensions);
 
         public bool Equals(Bitmap2 other)
         {