Trying to implement tyres but not working for now

OCR_Decode/Window.cs

@@ -153,22 +153,14 @@ namespace OCR_Decode
             page.Dispose();
             return result;
         }
-        protected string GetStringFromPng(bool onlyDigit = false)
+        public static string GetStringFromPng(Bitmap image,string allowedChars = "",OcrImage.WindowType windowType = OcrImage.WindowType.Text)
         {
             string result = "";
 
-            if (onlyDigit)
-            {
-                Engine.SetVariable("tessedit_char_whitelist", "0123456789");
-            }
-            else
-            {
-                Engine.SetVariable("tessedit_char_whitelist", "");
-            }
-                
+            Engine.SetVariable("tessedit_char_whitelist", allowedChars);
 
-            Bitmap rawData = WindowImage;
-            Bitmap enhancedImage = new OcrImage(rawData).Enhance();
+            Bitmap rawData = image;
+            Bitmap enhancedImage = new OcrImage(rawData).Enhance(windowType);
 
             Page page = Engine.Process(enhancedImage);
             using (var iter = page.GetIterator())
@@ -185,7 +177,13 @@ namespace OCR_Decode
             page.Dispose();
             return result;
         }
-        //This method has been gnerated using ChatGPT
+        protected Bitmap GetSmallBitmapFromBigOne(Bitmap bmp, Rectangle rectangle)
+        {
+            Bitmap sample = new Bitmap(rectangle.Width, rectangle.Height);
+            Graphics g = Graphics.FromImage(sample);
+            g.DrawImage(bmp, new Rectangle(0, 0, sample.Width, sample.Height), rectangle, GraphicsUnit.Pixel);
+            return sample;
+        }
         protected static string FindClosestMatch(List<string> array, string target)
         {
             var closestMatch = "";
@@ -202,7 +200,7 @@ namespace OCR_Decode
             }
             return closestMatch;
         }
-        //This is a tool to be able to compare strings 
+        //This method has been generated with the help of ChatGPT
         protected static int LevenshteinDistance(string s1, string s2)
         {
             if (string.IsNullOrEmpty(s1))