Implement ^FW (#240)

Author: primo-ppcg

src/BinaryKits.Zpl.Label/Elements/ZplFieldOrientation.cs

@@ -0,0 +1,24 @@
+using System.Collections.Generic;
+
+namespace BinaryKits.Zpl.Label.Elements
+{
+    /// <summary>
+    /// ^FW - Field Orientation
+    /// </summary>
+    public class ZplFieldOrientation : ZplElementBase
+    {
+        public FieldOrientation FieldOrientation { get; private set; }
+
+        public ZplFieldOrientation(FieldOrientation fieldOrientation)
+        {
+            this.FieldOrientation = fieldOrientation;
+        }
+
+        ///<inheritdoc/>
+        public override IEnumerable<string> Render(ZplRenderOptions context)
+        {
+            return new[] { $"^FW{RenderFieldOrientation(this.FieldOrientation)}" };
+        }
+
+    }
+}

src/BinaryKits.Zpl.Viewer.WebApi/Labels/Test/FieldDataText2-102x152.zpl2

@@ -1,32 +1,33 @@
 ^XA
 
 ^LH0,0
+^FWI
 
-^A0N,50,0
+^A0,50,0
 ^FO10,0
 ^FDFont1 Demo Text^FS
 
-^A1N,50,0
+^A1,50,0
 ^FO10,100
 ^FDFont2 Demo Text^FS
 
-^AAN,80,0
+^AA,80,0
 ^FO10,200
 ^FDFont3 Demo Text^FS
 
-^ABN,50,0
+^AB,50,0
 ^FO10,300
 ^FDFont4 Demo Text^FS
 
-^ACN,20,0
+^AC,20,0
 ^FO10,400
 ^FDFont5 Demo Text^FS
 
-^ADN,0,20
+^AD,0,20
 ^FO10,500
 ^FDFont6 Demo Text^FS
 
-^ADN,20,20
+^AD,20,20
 ^FO10,600
 ^FDFont7 Demo Text^FS
 

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

@@ -206,8 +206,9 @@ private ZplFont GetFontFromVirtualPrinter()
             int fontWidth = this.VirtualPrinter.FontWidth;
             int fontHeight = this.VirtualPrinter.FontHeight;
             string fontName = this.VirtualPrinter.FontName;
+            var fieldOrientation = this.VirtualPrinter.FieldOrientation;
 
-            return new ZplFont(fontWidth, fontHeight, fontName);
+            return new ZplFont(fontWidth, fontHeight, fontName, fieldOrientation);
         }
 
         private ZplFont GetNextFontFromVirtualPrinter()

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

@@ -0,0 +1,22 @@
+using BinaryKits.Zpl.Label.Elements;
+
+namespace BinaryKits.Zpl.Viewer.CommandAnalyzers
+{
+    public class FieldOrientationZplCommandAnalyzer : ZplCommandAnalyzerBase
+    {
+        public FieldOrientationZplCommandAnalyzer(VirtualPrinter virtualPrinter) : base("^FW", virtualPrinter) { }
+
+        ///<inheritdoc/>
+        public override ZplElementBase Analyze(string zplCommand)
+        {
+            var zplDataParts = this.SplitCommand(zplCommand);
+            if (zplDataParts.Length > 0)
+            {
+                var fieldOrientation = ConvertFieldOrientation(zplDataParts[0]);
+                this.VirtualPrinter.SetFieldOrientation(fieldOrientation);
+            }
+
+            return null;
+        }
+    }
+}

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

@@ -37,7 +37,7 @@ protected FieldOrientation ConvertFieldOrientation(string fieldOrientation)
                 "R" => FieldOrientation.Rotated90,
                 "I" => FieldOrientation.Rotated180,
                 "B" => FieldOrientation.Rotated270,
-                 _  => FieldOrientation.Normal,
+                 _  => this.VirtualPrinter.FieldOrientation,
             };
         }
 

src/BinaryKits.Zpl.Viewer/VirtualPrinter.cs

@@ -10,6 +10,7 @@ public class VirtualPrinter
         public LabelPosition NextElementPosition { get; private set; }
         public FieldDataBase NextElementFieldData { get; private set; }
         public FieldBlock NextElementFieldBlock { get; private set; }
+        public FieldOrientation FieldOrientation { get; private set; } = FieldOrientation.Normal;
         public int FontWidth { get; private set; } = 0;
         public int FontHeight { get; private set; } = 10;
         public string FontName { get; private set; } = "0";
@@ -103,6 +104,14 @@ public void ClearNextElementFieldUseHexadecimalIndicator()
             this.NextElementFieldUseHexadecimalIndicator = false;
         }
 
+        public void SetFieldOrientation(FieldOrientation fieldOrientation) {
+            this.FieldOrientation = fieldOrientation;
+            if (this.NextFont != null)
+            {
+                this.SetNextFont(this.NextFont.FontName, fieldOrientation, this.NextFont.FontWidth, this.NextFont.FontHeight);
+            }
+        }
+
         public void SetFontWidth(int fontWidth)
         {
             this.FontWidth = fontWidth;

src/BinaryKits.Zpl.Viewer/ZplAnalyzer.cs

@@ -50,6 +50,7 @@ public AnalyzeInfo Analyze(string zplData)
                 new DownloadObjectsZplCommandAnaylzer(this._virtualPrinter, this._printerStorage),
                 new FieldBlockZplCommandAnalyzer(this._virtualPrinter),
                 new FieldHexadecimalZplCommandAnalyzer(this._virtualPrinter),
+                new FieldOrientationZplCommandAnalyzer(this._virtualPrinter),
                 new FieldNumberCommandAnalyzer(this._virtualPrinter),
                 new FieldVariableZplCommandAnalyzer(this._virtualPrinter),
                 new FieldReversePrintZplCommandAnalyzer(this._virtualPrinter),