Fix QR code positioning with barcode height set

Author: Matteo Dell'Acqua

src/BinaryKits.Zpl.Viewer/CommandAnalyzers/FieldDataZplCommandAnalyzer.cs

@@ -1,5 +1,6 @@
 using BinaryKits.Zpl.Label;
 using BinaryKits.Zpl.Label.Elements;
+using BinaryKits.Zpl.Viewer.Elements;
 using BinaryKits.Zpl.Viewer.Models;
 
 using System;
@@ -87,7 +88,7 @@ public override ZplElementBase Analyze(string zplCommand, VirtualPrinter virtual
                 {
                     (ErrorCorrectionLevel errorCorrection, string parsedText) = this.ParseQrCodeFieldData(qrCode, text);
                     // N.B.: always pass Field Orientation Normal to QR codes; the ZPL II standard does not allow rotation
-                    return new ZplQrCode(parsedText, x, y, qrCode.Model, qrCode.MagnificationFactor, errorCorrection, qrCode.MaskValue, FieldOrientation.Normal, hexadecimalIndicator, bottomToTop, useDefaultPosition);
+                    return new ZplQrCodeViewer(parsedText, x, y, qrCode.Model, qrCode.MagnificationFactor, errorCorrection, qrCode.MaskValue, FieldOrientation.Normal, hexadecimalIndicator, bottomToTop, useDefaultPosition, virtualPrinter.BarcodeInfo.Height);
                 }
                 else if (virtualPrinter.NextElementFieldData is UpcABarcodeFieldData upcA)
                 {

src/BinaryKits.Zpl.Viewer/CommandAnalyzers/QrCodeBarcodeZplCommandAnalyzer.cs

@@ -30,10 +30,10 @@ public override ZplElementBase Analyze(string zplCommand, VirtualPrinter virtual
             {
                 magnificationFactor = tmpint;
 
-                if (magnificationFactor > 10)
+                if (magnificationFactor > 100)
                 {
-                    //TODO: Add validation message max value is 10
-                    magnificationFactor = 10;
+                    // TODO: Add validation message max value is 100
+                    magnificationFactor = 100;
                 }
             }
 

src/BinaryKits.Zpl.Viewer/ElementDrawers/QrCodeElementDrawer.cs

@@ -1,5 +1,6 @@
 using BinaryKits.Zpl.Label;
 using BinaryKits.Zpl.Label.Elements;
+using BinaryKits.Zpl.Viewer.Elements;
 using BinaryKits.Zpl.Viewer.Helpers;
 
 using SkiaSharp;
@@ -55,6 +56,10 @@ public override SKPoint Draw(ZplElementBase element, DrawerOptions options, SKPo
                 }
 
                 int verticalQuietZone = 10;
+                if (qrcode is ZplQrCodeViewer qrCodeDrawing)
+                {
+                    verticalQuietZone = qrCodeDrawing.VerticalQuietZone;
+                }
 
                 QRCodeWriter writer = new();
                 QrCodeEncodingOptions encodingOptions = new()
@@ -88,6 +93,5 @@ private static ZXing.QrCode.Internal.ErrorCorrectionLevel ConvertErrorCorrection
                 _ => ZXing.QrCode.Internal.ErrorCorrectionLevel.M
             };
         }
-
     }
 }

src/BinaryKits.Zpl.Viewer/Elements/ZplQrCodeViewer.cs

@@ -0,0 +1,28 @@
+using BinaryKits.Zpl.Label;
+using BinaryKits.Zpl.Label.Elements;
+
+namespace BinaryKits.Zpl.Viewer.Elements
+{
+    internal class ZplQrCodeViewer : ZplQrCode
+    {
+        internal int VerticalQuietZone { get; private set; }
+
+        public ZplQrCodeViewer(
+            string content,
+            int positionX,
+            int positionY,
+            int model,
+            int magnificationFactor,
+            ErrorCorrectionLevel errorCorrectionLevel,
+            int maskValue,
+            FieldOrientation fieldOrientation,
+            char? hexadecimalIndicator,
+            bool bottomToTop,
+            bool useDefaultPosition,
+            int verticalQuietZone)
+            : base(content, positionX, positionY, model, magnificationFactor, errorCorrectionLevel, maskValue, fieldOrientation, hexadecimalIndicator, bottomToTop, useDefaultPosition)
+        {
+            this.VerticalQuietZone = verticalQuietZone;
+        }
+    }
+}