tm220 print mode refactoring

Inspectron.Epson/EpsonPrinter.cs

@@ -304,15 +304,27 @@ public class EpsonPrinter : IEpsonPrinter
         _logger?.LogInformation("Selecting font: {Font}", font);
         await SendRawAsync(command);
     }
-
-    public async Task SetBiggerFontTM220(bool enabled)
+    /// <summary>
+    /// Change to bigger font mode for TM-T20/220 printers
+    /// </summary>
+    /// <param name="biggerWidth"></param>
+    /// <param name="biggerHeight"></param>
+    /// <param name="secondaryFont"></param>
+    /// <see cref="https://download4.epson.biz/sec_pubs/pos/reference_en/escpos/esc_exclamation.html"/>
+    public async Task SetBiggerFontTM220(bool biggerWidth, bool biggerHeight=false, bool secondaryFont=true)
     {
-        _logger?.LogInformation("{Action} bigger font mode for TM-T20/220",
-            enabled ? "Enabling" : "Disabling");
-        if (enabled)
-            await SendRawCommandAsync([0x1b, 0x21, 0x20 + 0x01]);
-        else
-            await SendRawCommandAsync([0x1b, 0x21, 0x00]);
+        _logger?.LogInformation("Setting bigger font mode: Width={BiggerWidth}, Height={BiggerHeight}, SecondaryFont={SecondaryFont}",
+            biggerWidth, biggerHeight, secondaryFont);
+
+        byte value = 0x00;
+        if (biggerWidth)
+            value += 0x10;
+        if (biggerHeight)
+            value += 0x20;
+        if (secondaryFont)
+            value += 0x01;
+        
+        await SendRawCommandAsync([0x1b, 0x21, value]);
     }
 
 

Inspectron.Epson/HtmlPrinter.cs

@@ -31,7 +31,8 @@ public class HtmlPrinter : IEpsonPrinter
     private bool _isEmphasized;
     private bool _isRedColor;
     private bool _isQuadrupleMode;
-    private bool _isBiggerFontTM220;
+    private bool _isBiggerFontWidthTM220;
+    private bool _isBiggerFontHeightTM220;
     private int _lineSpacing = 14; // Default line spacing in pixels (scaled for screen)
     private int _absolutePosition; // Current X position offset
 
@@ -239,10 +240,13 @@ public class HtmlPrinter : IEpsonPrinter
     }
 
     /// <inheritdoc />
-    public Task SetBiggerFontTM220(bool enabled)
+    public Task SetBiggerFontTM220(bool biggerWidth, bool biggerHeight = false, bool secondaryFont = true)
     {
-        _logger?.LogInformation("HtmlPrinter: {Action} bigger font mode for TM-T20/220", enabled ? "Enabling" : "Disabling");
-        _isBiggerFontTM220 = enabled;
+        _logger?.LogInformation("HtmlPrinter: Setting bigger font mode: Width={BiggerWidth}, Height={BiggerHeight}, SecondaryFont={SecondaryFont}",
+            biggerWidth, biggerHeight, secondaryFont);
+        _isBiggerFontWidthTM220 = biggerWidth;
+        _isBiggerFontHeightTM220 = biggerHeight;
+        // Note: secondaryFont is ignored in HTML simulation as it only affects the physical printer's font selection
         return Task.CompletedTask;
     }
 
@@ -468,7 +472,8 @@ public class HtmlPrinter : IEpsonPrinter
         _isEmphasized = false;
         _isRedColor = false;
         _isQuadrupleMode = false;
-        _isBiggerFontTM220 = false;
+        _isBiggerFontWidthTM220 = false;
+        _isBiggerFontHeightTM220 = false;
         _lineSpacing = 14;
         _absolutePosition = 0;
     }
@@ -490,11 +495,16 @@ public class HtmlPrinter : IEpsonPrinter
             effectiveHeightMultiplier *= 2;
         }
 
-        if (_isBiggerFontTM220)
+        if (_isBiggerFontWidthTM220)
         {
             effectiveWidthMultiplier *= 2;
         }
 
+        if (_isBiggerFontHeightTM220)
+        {
+            effectiveHeightMultiplier *= 2;
+        }
+
         int fontSize = baseHeight * effectiveHeightMultiplier;
         styles.Add($"font-size: {fontSize}px");
 

Inspectron.Epson/IEpsonPrinter.cs

@@ -90,7 +90,7 @@ public interface IEpsonPrinter : IAsyncDisposable
     /// <summary>
     /// Enable or disable bigger font mode for TM-T20/220
     /// </summary>
-    Task SetBiggerFontTM220(bool enabled);
+    Task SetBiggerFontTM220(bool biggerWidth, bool biggerHeight = false, bool secondaryFont = true);
 
     /// <summary>
     /// Print text to the printer

Inspectron.Epson/PrintServer/PrintServices/EpsonPrintService.cs

@@ -34,6 +34,8 @@ public class EpsonPrintService: IPrintService
 
             var printerId = await epsonPrinter.GetPrinterIdAsync();
 
+            _logger.LogInformation("Printer ID({ip}): {PrinterId}", printerIp, printerId);
+
             var status = await epsonPrinter.GetPrinterStatusAsync();
             if (!status.IsOnline)
             {

Inspectron.Epson/PrintServer/Printers/TM-T30IIITranslated.cs

@@ -42,6 +42,13 @@ public class TM_T30IIITranslated : IPrinter
 
         foreach (var command in commands)
         {
+            if(command.SetLineSpacing.HasValue)
+            {
+                Console.WriteLine($"Setting line spacing to {command.SetLineSpacing.Value}");
+                await _printer.SetCustomLineSpacing(command.SetLineSpacing.Value);
+                Console.WriteLine($"------------------------------------------------------");
+                continue;
+            }
             if (command.IsBig)
             {
                 await _printer.SetFontSizeAsync(2, 1);