Added new parameter "drawQuietZones"

Added new parameter "drawQuietZones" which enables to suppress the drawing of the quietzones (white border) around the QR code graphic

Author: codebude

QRCoder/ASCIIQRCode.cs

@@ -14,17 +14,7 @@ public AsciiQRCode() { }
 
         public AsciiQRCode(QRCodeData data) : base(data) { }
 
-        /// <summary>
-        /// Returns a strings that contains the resulting QR code as ASCII chars.
-        /// </summary>
-        /// <param name="repeatPerModule">Number of repeated darkColorString/whiteSpaceString per module.</param>
-        /// <returns></returns>
-        public string GetGraphic(int repeatPerModule)
-        {
-            return string.Join("\n", GetLineByLineGraphic(repeatPerModule));
-        }
-
-
+       
         /// <summary>
         /// Returns a strings that contains the resulting QR code as ASCII chars.
         /// </summary>
@@ -33,22 +23,11 @@ public string GetGraphic(int repeatPerModule)
         /// <param name="whiteSpaceString">String for use as white modules (whitespace). In case of string make sure darkColorString has the same length.</param>
         /// <param name="endOfLine">End of line separator. (Default: \n)</param>
         /// <returns></returns>
-        public string GetGraphic(int repeatPerModule, string darkColorString, string whiteSpaceString, string endOfLine = "\n")
-        {
-            return string.Join(endOfLine, GetLineByLineGraphic(repeatPerModule, darkColorString, whiteSpaceString));
-        }
-
-
-        /// <summary>
-        /// Returns an array of strings that contains each line of the resulting QR code as ASCII chars.
-        /// </summary>
-        /// <param name="repeatPerModule">Number of repeated darkColorString/whiteSpaceString per module.</param>
-        /// <returns></returns>
-        public string[] GetLineByLineGraphic(int repeatPerModule)
+        public string GetGraphic(int repeatPerModule, string darkColorString = "██", string whiteSpaceString = "  ", bool drawQuietZones = true, string endOfLine = "\n")
         {
-            return GetLineByLineGraphic(repeatPerModule, "██", "  ");
+            return string.Join(endOfLine, GetLineByLineGraphic(repeatPerModule, darkColorString, whiteSpaceString, drawQuietZones));
         }
-
+        
 
         /// <summary>
         /// Returns an array of strings that contains each line of the resulting QR code as ASCII chars.
@@ -57,23 +36,23 @@ public string[] GetLineByLineGraphic(int repeatPerModule)
         /// <param name="darkColorString">String for use as dark color modules. In case of string make sure whiteSpaceString has the same length.</param>
         /// <param name="whiteSpaceString">String for use as white modules (whitespace). In case of string make sure darkColorString has the same length.</param>
         /// <returns></returns>
-        public string[] GetLineByLineGraphic(int repeatPerModule, string darkColorString, string whiteSpaceString)
+        public string[] GetLineByLineGraphic(int repeatPerModule, string darkColorString = "██", string whiteSpaceString = "  ", bool drawQuietZones = true)
         {
             var qrCode = new List<string>();
             //We need to adjust the repeatPerModule based on number of characters in darkColorString
             //(we assume whiteSpaceString has the same number of characters)
             //to keep the QR code as square as possible.
+            var quietZonesModifier = (drawQuietZones ? 0 : 8);
+            var quietZonesOffset = (int)(quietZonesModifier * 0.5);
             var adjustmentValueForNumberOfCharacters = darkColorString.Length / 2 != 1 ? darkColorString.Length / 2 : 0;
             var verticalNumberOfRepeats = repeatPerModule + adjustmentValueForNumberOfCharacters;
-            var sideLength = QrCodeData.ModuleMatrix.Count * verticalNumberOfRepeats;
+            var sideLength = (QrCodeData.ModuleMatrix.Count - quietZonesModifier) * verticalNumberOfRepeats;
             for (var y = 0; y < sideLength; y++)
             {
                 var lineBuilder = new StringBuilder();
-
-                for (var x = 0; x < QrCodeData.ModuleMatrix.Count; x++)
+                for (var x = 0; x < QrCodeData.ModuleMatrix.Count - quietZonesModifier; x++)
                 {
-                    var module = QrCodeData.ModuleMatrix[x][(y + verticalNumberOfRepeats) / verticalNumberOfRepeats - 1];
-
+                    var module = QrCodeData.ModuleMatrix[x + quietZonesOffset][((y + verticalNumberOfRepeats) / verticalNumberOfRepeats - 1)+quietZonesOffset];
                     for (var i = 0; i < repeatPerModule; i++)
                     {
                         lineBuilder.Append(module ? darkColorString : whiteSpaceString);
@@ -85,14 +64,15 @@ public string[] GetLineByLineGraphic(int repeatPerModule, string darkColorString
         }
     }
 
+
     public static class AsciiQRCodeHelper
     {
-        public static string GetQRCode(string plainText, int pixelsPerModule, string darkColorString, string whiteSpaceString, ECCLevel eccLevel, bool forceUtf8 = false, bool utf8BOM = false, EciMode eciMode = EciMode.Default, int requestedVersion = -1, string endOfLine = "\n")
+        public static string GetQRCode(string plainText, int pixelsPerModule, string darkColorString, string whiteSpaceString, ECCLevel eccLevel, bool forceUtf8 = false, bool utf8BOM = false, EciMode eciMode = EciMode.Default, int requestedVersion = -1, string endOfLine = "\n", bool drawQuietZones = true)
         {
             using (var qrGenerator = new QRCodeGenerator())
             using (var qrCodeData = qrGenerator.CreateQrCode(plainText, eccLevel, forceUtf8, utf8BOM, eciMode, requestedVersion))
             using (var qrCode = new AsciiQRCode(qrCodeData))
-                return qrCode.GetGraphic(pixelsPerModule, darkColorString, whiteSpaceString, endOfLine);
+                return qrCode.GetGraphic(pixelsPerModule, darkColorString, whiteSpaceString, drawQuietZones, endOfLine);
         }
     }
 }