Improving PdfPoint

src/UglyToad.PdfPig/Geometry/PdfPoint.cs

@@ -82,6 +82,39 @@
             return new PdfVector(X, Y);
         }
 
+        /// <summary>
+        /// Converts this <see cref="PdfPoint"/> into an array.
+        /// </summary>
+        /// <returns></returns>
+        public double[] ToDouble()
+        {
+            return new double[] { (double)this.X, (double)this.Y };
+        }
+
+        /// <summary>
+        /// Returns a value indicating whether this <see cref="PdfPoint"/> is equal to a specified <see cref="PdfPoint"/> .
+        /// </summary>
+        /// <param name="obj"></param>
+        /// <returns></returns>
+        public override bool Equals(object obj)
+        {
+            if (obj is PdfPoint)
+            {
+                PdfPoint point = (PdfPoint)obj;
+                return point.X == this.X && point.Y == this.Y;
+            }
+            return false;
+        }
+
+        /// <summary>
+        /// Returns the hash code for this <see cref="PdfPoint"/>.
+        /// </summary>
+        /// <returns></returns>
+        public override int GetHashCode()
+        {
+            return (int)(this.X * 10_000 + 31 * this.Y * 10_000);
+        }
+
         /// <summary>
         /// Get a string representation of this point.
         /// </summary>