kitchen receipt + html printer

This commit is contained in:
EugeneTes
2026-01-14 11:47:43 +01:00
parent 011978136d
commit 147265358f
16 changed files with 1346 additions and 178 deletions

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@@ -1,12 +1,14 @@
using Inspectron.Epson; using Inspectron.Epson;
using Inspectron.Epson.PrintServer.Printers.Utils; using Inspectron.Epson.PrintServer.Printers.Utils;
using Inspectron.Epson.PrintServer.Printers.Utils.FinalRecipe; using Inspectron.Epson.PrintServer.Printers.Utils.FinalRecipe;
using Inspectron.Epson.PrintServer.Printers.Utils.KitchenReceipt;
using Inspectron.Epson.SOAP; using Inspectron.Epson.SOAP;
using SixLabors.ImageSharp; using SixLabors.ImageSharp;
using SixLabors.ImageSharp.PixelFormats; using SixLabors.ImageSharp.PixelFormats;
using System.Text; using System.Text;
using System.Text.Json; using System.Text.Json;
using System.Xml.Linq; using System.Xml.Linq;
using FinalReceipt = Inspectron.Epson.PrintServer.Printers.Utils.FinalRecipe.FinalReceipt;
//SoapEpsonPrinter printer = new SoapEpsonPrinter("localhost:8888"); //SoapEpsonPrinter printer = new SoapEpsonPrinter("localhost:8888");
@@ -56,125 +58,202 @@ using System.Xml.Linq;
//Console.ReadLine(); //Console.ReadLine();
//var receipt = new Receipt var receipt = new FinalReceipt
{
CompanyName = "Klingler Gastro AG",
Address1 = "Münzplatz 3",
Address2 = "CH-8001 Zürich",
Phone = "043 321 22 22",
ReceiptNumber = "1-81-202",
DateTime = new DateTime(2025, 12, 16, 14, 58, 0),
Guests = 2,
Total = 160.00m,
Currency = "CHF",
TotalInAlternateCurrency = 172.80m,
AlternateCurrency = "EUR",
PaymentMethod = "MASTER",
PaymentAmount = 160.00m,
WaiterName = "Yves",
Terminal = "Hauptkasse ZH",
TableNumber = "12",
VatNumber = "CHE-449.635.880 MWST",
ThankYouMessage = "Das Team bedankt sich herzlich für Ihren",
GoodbyeMessageLine1 = "Besuch.",
GoodbyeMessageLine2 = "Auf Wiedersehen."
};
// Add items
receipt.Items.Add(new ReceiptItem
{
Quantity = 1,
Description = "San Pellegrino 50cl",
UnitPrice = 6.50m,
TotalPrice = 6.50m,
TaxCategory = "A"
});
receipt.Items.Add(new ReceiptItem
{
Quantity = 1,
Description = "Panna 50cl",
UnitPrice = 6.50m,
TotalPrice = 6.50m,
TaxCategory = "A"
});
receipt.Items.Add(new ReceiptItem
{
Quantity = 1,
Description = "Granini Tomatensaft",
UnitPrice = 5.50m,
TotalPrice = 5.50m,
TaxCategory = "A"
});
receipt.Items.Add(new ReceiptItem
{
Quantity = 2,
Description = "Business Lunch Menu Seco",
UnitPrice = 44.00m,
TotalPrice = 88.00m,
TaxCategory = "A"
});
receipt.Items.Add(new ReceiptItem
{
Quantity = 2,
Description = "Brunello di Montalcino 1",
UnitPrice = 16.00m,
TotalPrice = 32.00m,
TaxCategory = "A"
});
receipt.Items.Add(new ReceiptItem
{
Quantity = 2,
Description = "Espresso",
UnitPrice = 5.50m,
TotalPrice = 11.00m,
TaxCategory = "A"
});
receipt.Items.Add(new ReceiptItem
{
Quantity = 1,
Description = "Tip",
UnitPrice = 10.50m,
TotalPrice = 10.50m,
TaxCategory = "B"
});
// Add tax breakdown
receipt.TaxBreakdown.Add(new TaxInfo
{
Category = "A",
Rate = 8.1m,
Gross = 149.50m,
Net = 138.30m,
TaxAmount = 11.20m,
Currency = "CHF"
});
receipt.TaxBreakdown.Add(new TaxInfo
{
Category = "B",
Rate = 0m,
Gross = 10.50m,
Net = 10.50m,
TaxAmount = 0.00m,
Currency = "CHF"
});
// Convert to print commands
var converter = new ReceiptConverter(lineWidth: 48, bigFontLineWidth: 24);
var printCommands = converter.ConvertToPrintCommands(receipt);
// Print the commands
Console.WriteLine("=== PRINT COMMANDS ===\n");
var printer = new HtmlPrinter(@".\test.html", paperWidth: 384);
await printer.ConnectAsync("");
await printer.SetAbsolutePrintPosition(97);
await printer.LoadImageAsync("ristorante-klinglers.ch-logo_white_bg.png", 390);
await printer.SetAbsolutePrintPosition(0);
await printer.PrintLoadedImage();
await Task.Delay(200);
await printer.FeedLinesAsync(1);
await printer.SetCustomLineSpacing(22);
foreach (var command in printCommands)
{
string attributes = "";
if (command.IsBig) attributes += "[BIG] ";
if (command.IsBold) attributes += "[BOLD] ";
Console.WriteLine($"{attributes}{command.Text}");
if (command.IsBig)
{
await printer.SetFontSizeAsync(2, 1);
}
else
{
await printer.SetFontSizeAsync(1, 1);
}
//await Task.Delay(200);
await printer.SetEmphasized(command.IsBold);
//await Task.Delay(200);
await printer.PrintTextAsync(command.Text + "\n");
//await Task.Delay(200);
}
//var receipt = new KitchenReceipt
//{ //{
// CompanyName = "Klingler Gastro AG", // Title = "Warme Küche",
// Address1 = "Münzplatz 3", // TransactionDateTime = new DateTime(2025, 10, 23, 12, 18, 0),
// Address2 = "CH-8001 Zürich", // ReceiptNumber = "132018166",
// Phone = "043 321 22 22", // WaiterName = "Mariano Amato",
// ReceiptNumber = "1-81-202", // WaiterId = "32 (VK Restaurant)",
// DateTime = new DateTime(2025, 12, 16, 14, 58, 0), // TableNumber = 22
// Guests = 2,
// Total = 160.00m,
// Currency = "CHF",
// TotalInAlternateCurrency = 172.80m,
// AlternateCurrency = "EUR",
// PaymentMethod = "MASTER",
// PaymentAmount = 160.00m,
// ServerName = "Yves",
// Terminal = "Hauptkasse ZH",
// TableNumber = "12",
// VatNumber = "CHE-449.635.880 MWST",
// ThankYouMessage = "Das Team bedankt sich herzlich für Ihren",
// GoodbyeMessageLine1 = "Besuch.",
// GoodbyeMessageLine2 = "Auf Wiedersehen."
//}; //};
//// Add items //// Add dishes (this section can be empty if no dishes were ordered)
//receipt.Items.Add(new ReceiptItem
//{
// Quantity = 1,
// Description = "San Pellegrino 50cl",
// UnitPrice = 6.50m,
// TotalPrice = 6.50m,
// TaxCategory = "A"
//});
//receipt.Items.Add(new ReceiptItem //receipt.Gangs.Add(new Gang(1, "Gang"));
//{ //receipt.Gangs.Add(new Gang(2, "Gang"));
// Quantity = 1,
// Description = "Panna 50cl",
// UnitPrice = 6.50m,
// TotalPrice = 6.50m,
// TaxCategory = "A"
//});
//receipt.Items.Add(new ReceiptItem //receipt.Gangs[0].Dishes.Add(new Dish(1, "Avocado Sashimi"));
//{ //receipt.Gangs[0].Dishes.Add(new Dish(1, "Baby Spinach Salad with Truffl"));
// Quantity = 1, //receipt.Gangs[0].Dishes.Add(new Dish(1, "Beef Tataki"));
// Description = "Granini Tomatensaft", //receipt.Gangs[0].Dishes.Add(new Dish(1, "Salmon Taco"));
// UnitPrice = 5.50m,
// TotalPrice = 5.50m,
// TaxCategory = "A"
//});
//receipt.Items.Add(new ReceiptItem
//{
// Quantity = 2,
// Description = "Business Lunch Menu Seco",
// UnitPrice = 44.00m,
// TotalPrice = 88.00m,
// TaxCategory = "A"
//});
//receipt.Items.Add(new ReceiptItem
//{
// Quantity = 2,
// Description = "Brunello di Montalcino 1",
// UnitPrice = 16.00m,
// TotalPrice = 32.00m,
// TaxCategory = "A"
//});
//receipt.Items.Add(new ReceiptItem
//{
// Quantity = 2,
// Description = "Espresso",
// UnitPrice = 5.50m,
// TotalPrice = 11.00m,
// TaxCategory = "A"
//});
//receipt.Items.Add(new ReceiptItem
//{
// Quantity = 1,
// Description = "Tip",
// UnitPrice = 10.50m,
// TotalPrice = 10.50m,
// TaxCategory = "B"
//});
//// Add tax breakdown
//receipt.TaxBreakdown.Add(new TaxInfo
//{
// Category = "A",
// Rate = 8.1m,
// Gross = 149.50m,
// Net = 138.30m,
// TaxAmount = 11.20m,
// Currency = "CHF"
//});
//receipt.TaxBreakdown.Add(new TaxInfo
//{
// Category = "B",
// Rate = 0m,
// Gross = 10.50m,
// Net = 10.50m,
// TaxAmount = 0.00m,
// Currency = "CHF"
//});
//// Convert to print commands //receipt.Gangs[1].Dishes.Add(new Dish(1, "Avocado Sashimi"));
//var converter = new ReceiptConverter(lineWidth: 48, bigFontLineWidth: 24); //receipt.Gangs[1].Dishes.Add(new Dish(1, "Baby Spinach Salad with Truffl"));
//receipt.Gangs[1].Dishes.Add(new Dish(1, "Beef Tataki"));
//receipt.Gangs[1].Dishes.Add(new Dish(1, "Salmon Taco"));
//receipt.Dishes.Add(new Dish(1, "Avocado Sashimi"));
//receipt.Dishes.Add(new Dish(1, "Baby Spinach Salad with Truffl"));
//receipt.Dishes.Add(new Dish(1, "Beef Tataki"));
//receipt.Dishes.Add(new Dish(1, "Salmon Taco"));
//// Add additional info
//receipt.AdditionalInfo.Add("1 x Amuse Bouche");
//KitchenReceiptConverter converter = new KitchenReceiptConverter(bigLineWidth: 20, lineWidth:33);
//var printCommands = converter.ConvertToPrintCommands(receipt); //var printCommands = converter.ConvertToPrintCommands(receipt);
//// Print the commands
//Console.WriteLine("=== PRINT COMMANDS ===\n"); //Console.WriteLine("=== PRINT COMMANDS ===\n");
//await printer.SetAbsolutePrintPosition(97); //var printer = new HtmlPrinter(@".\test.html", paperWidth: 258);
//await printer.LoadImageAsync("ristorante-klinglers.ch-logo_white_bg.png",390); //await printer.ConnectAsync("");
//await printer.SetAbsolutePrintPosition(0);
//await Task.Delay(200); //await Task.Delay(200);
//await printer.FeedLinesAsync(1); //await printer.FeedLinesAsync(1);
//await printer.SetCustomLineSpacing(22); //await printer.SetCustomLineSpacing(22);
@@ -183,6 +262,7 @@ using System.Xml.Linq;
// string attributes = ""; // string attributes = "";
// if (command.IsBig) attributes += "[BIG] "; // if (command.IsBig) attributes += "[BIG] ";
// if (command.IsBold) attributes += "[BOLD] "; // if (command.IsBold) attributes += "[BOLD] ";
// if (command.IsRed) attributes += "[RED] ";
// Console.WriteLine($"{attributes}{command.Text}"); // Console.WriteLine($"{attributes}{command.Text}");
@@ -194,6 +274,9 @@ using System.Xml.Linq;
// { // {
// await printer.SetFontSizeAsync(1, 1); // await printer.SetFontSizeAsync(1, 1);
// } // }
// await printer.SetRedColor(command.IsRed);
// //await Task.Delay(200); // //await Task.Delay(200);
// await printer.SetEmphasized(command.IsBold); // await printer.SetEmphasized(command.IsBold);
@@ -230,24 +313,24 @@ using System.Xml.Linq;
//await Task.Delay(200); //await Task.Delay(200);
//KitchenReceiptPrinter krp = new KitchenReceiptPrinter(33); //KitchenReceiptPrinter krp = new KitchenReceiptPrinter(33);
var receipt = new KitchenReceipt( //var receipt = new TranslatedKitchenReceipt(
Location: "Warme Küche", // Location: "Warme Küche",
Date: "23-Okt-25 12:18 Nr.:13201B166", // Date: "23-Okt-25 12:18 Nr.:13201B166",
Owner: "Mariano Amato\n32 (VK Restaurant)", // Owner: "Mariano Amato\n32 (VK Restaurant)",
Tisch: "22", // Tisch: "22",
items: new List<KitchenItem> // items: new List<KitchenItem>
{ // {
new KitchenGang("1. Gang"), // new KitchenGang("1. Gang"),
new KitchenProduct(1, "Avocado Sashimi"), // new KitchenProduct(1, "Avocado Sashimi"),
new KitchenProduct(1, "Baby Spinach Salad with Truffl"), // new KitchenProduct(1, "Baby Spinach Salad with Truffl"),
new KitchenGang("2. Gang"), // new KitchenGang("2. Gang"),
new KitchenProduct(1, "Beef Tataki"), // new KitchenProduct(1, "Beef Tataki"),
new KitchenProduct(1, "Salmon Taco") // new KitchenProduct(1, "Salmon Taco")
} // }
); //);
var test = JsonSerializer.Serialize(receipt, new JsonSerializerOptions() { WriteIndented = true }); //var test = JsonSerializer.Serialize(receipt, new JsonSerializerOptions() { WriteIndented = true });
Console.WriteLine(test); //Console.WriteLine(test);
////// Create printer with 42 character line width (default) ////// Create printer with 42 character line width (default)
//var commands = krp.ConvertToCommands(receipt); //var commands = krp.ConvertToCommands(receipt);

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@@ -10,7 +10,7 @@ namespace Inspectron.Epson;
/// <summary> /// <summary>
/// Main SDK class for Epson TM-m30III printer operations /// Main SDK class for Epson TM-m30III printer operations
/// </summary> /// </summary>
public class EpsonPrinter : IAsyncDisposable public class EpsonPrinter : IEpsonPrinter
{ {
private readonly ILogger? _logger; private readonly ILogger? _logger;
private TcpClient? _tcpClient; private TcpClient? _tcpClient;

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@@ -0,0 +1,700 @@
using Microsoft.Extensions.Logging;
using SixLabors.ImageSharp;
using SixLabors.ImageSharp.Formats.Png;
using SixLabors.ImageSharp.PixelFormats;
using SixLabors.ImageSharp.Processing;
using System.Text;
namespace Inspectron.Epson;
/// <summary>
/// HTML-based printer implementation that outputs to an HTML file,
/// simulating Epson thermal printer output for testing and preview purposes.
/// </summary>
public class HtmlPrinter : IEpsonPrinter
{
private readonly ILogger? _logger;
private readonly string _outputPath;
private readonly int _paperWidth;
private readonly string _imageDirectory;
private bool _isConnected;
private readonly StringBuilder _content = new();
private int _imageCounter;
// Current styling state
private EpsonCommands.PrinterFont _currentFont = EpsonCommands.PrinterFont.A;
private int _fontWidthMultiplier = 1;
private int _fontHeightMultiplier = 1;
private bool _isEmphasized;
private bool _isRedColor;
private bool _isQuadrupleMode;
private bool _isBiggerFontTM220;
private int _lineSpacing = 14; // Default line spacing in pixels (scaled for screen)
private int _absolutePosition; // Current X position offset
// Loaded image buffer
private Image<Rgba32>? _loadedImage;
private int _loadedImageMaxWidth;
/// <summary>
/// Font size mappings for different Epson fonts (scaled for screen display)
/// Original dots: Font A: 12x24, Font B: 9x17, Font C: 9x24, Font D: 10x24, Font E: 12x24
/// Scaled to ~0.5x for reasonable screen display
/// </summary>
private static readonly Dictionary<EpsonCommands.PrinterFont, (int Width, int Height)> FontSizes = new()
{
{ EpsonCommands.PrinterFont.A, (6, 12) },
{ EpsonCommands.PrinterFont.B, (5, 9) },
{ EpsonCommands.PrinterFont.C, (5, 12) },
{ EpsonCommands.PrinterFont.D, (5, 12) },
{ EpsonCommands.PrinterFont.E, (6, 12) }
};
/// <inheritdoc />
public bool IsConnected => _isConnected;
/// <summary>
/// Initialize a new instance of HtmlPrinter
/// </summary>
/// <param name="outputPath">Path to the output HTML file</param>
/// <param name="paperWidth">Paper width in pixels (default 384 for 80mm thermal printer)</param>
/// <param name="logger">Optional logger for diagnostic output</param>
public HtmlPrinter(string outputPath, int paperWidth = 384, ILogger? logger = null)
{
_outputPath = outputPath;
_paperWidth = paperWidth;
_logger = logger;
// Create image directory next to HTML file
var directory = Path.GetDirectoryName(outputPath) ?? ".";
var fileName = Path.GetFileNameWithoutExtension(outputPath);
_imageDirectory = Path.Combine(directory, $"{fileName}_images");
}
/// <inheritdoc />
public Task ConnectAsync(string ip, int port = 9100, int timeoutSeconds = 10)
{
_logger?.LogInformation("HtmlPrinter: Connecting (output: {Path}, paper width: {Width}px)", _outputPath, _paperWidth);
// Create image directory if it doesn't exist
if (!Directory.Exists(_imageDirectory))
{
Directory.CreateDirectory(_imageDirectory);
}
// Clear previous content
_content.Clear();
_imageCounter = 0;
ResetStylingState();
_isConnected = true;
WriteHtmlFile();
_logger?.LogInformation("HtmlPrinter: Connected successfully");
return Task.CompletedTask;
}
/// <inheritdoc />
public void Disconnect()
{
_logger?.LogDebug("HtmlPrinter: Disconnecting");
if (_isConnected)
{
WriteHtmlFile();
}
_loadedImage?.Dispose();
_loadedImage = null;
_isConnected = false;
}
/// <inheritdoc />
public Task<PrinterStatus> GetPrinterStatusAsync()
{
_logger?.LogDebug("HtmlPrinter: Returning mock printer status (always ready)");
return Task.FromResult(new PrinterStatus
{
RawByte = 0x12, // Online, cover closed
DrawerOpen = false,
IsOnline = true,
IsCoverClosed = true,
PaperFeedButtonPressed = false
});
}
/// <inheritdoc />
public Task<OfflineStatus> GetOfflineStatusAsync()
{
_logger?.LogDebug("HtmlPrinter: Returning mock offline status (no issues)");
return Task.FromResult(new OfflineStatus
{
RawByte = 0x12,
CoverOpen = false,
PaperFeedButton = false,
PaperEnd = false,
ErrorOccurred = false
});
}
/// <inheritdoc />
public Task<ErrorStatus> GetErrorStatusAsync()
{
_logger?.LogDebug("HtmlPrinter: Returning mock error status (no errors)");
return Task.FromResult(new ErrorStatus
{
RawByte = 0x12,
RecoverableError = false,
AutoCutterError = false,
UnrecoverableError = false,
AutoRecoveryError = false
});
}
/// <inheritdoc />
public Task<PaperSensorStatus> GetPaperSensorStatusAsync()
{
_logger?.LogDebug("HtmlPrinter: Returning mock paper sensor status (paper present)");
return Task.FromResult(new PaperSensorStatus
{
RawByte = 0x12,
PaperNearEnd = false,
PaperPresent = true
});
}
/// <inheritdoc />
public Task<byte> GetTM220StatusAsync()
{
_logger?.LogDebug("HtmlPrinter: Returning mock TM220 status");
return Task.FromResult((byte)0x12);
}
/// <inheritdoc />
public Task<byte?> GetPrinterIdAsync()
{
_logger?.LogDebug("HtmlPrinter: Returning mock printer ID (0x01 = TM-T30III)");
return Task.FromResult<byte?>(0x01);
}
/// <inheritdoc />
public Task<OverallStatus> GetOverallStatusAsync()
{
_logger?.LogInformation("HtmlPrinter: Returning mock overall status (ready)");
return Task.FromResult(new OverallStatus
{
PrinterModel = "HtmlPrinter",
PrinterStatus = new PrinterStatus { RawByte = 0x12, IsOnline = true, IsCoverClosed = true },
OfflineStatus = new OfflineStatus { RawByte = 0x12 },
ErrorStatus = new ErrorStatus { RawByte = 0x12 },
PaperStatus = new PaperSensorStatus { RawByte = 0x12, PaperPresent = true },
StatusText = "READY - HTML Printer Simulator",
StatusIcon = "🟢",
IsReady = true,
Recommendations = new List<string>()
});
}
/// <inheritdoc />
public Task InitAsync()
{
_logger?.LogInformation("HtmlPrinter: Initializing (resetting styling state)");
ResetStylingState();
return Task.CompletedTask;
}
/// <inheritdoc />
public Task SetQuadrupleMode(bool enable)
{
_logger?.LogInformation("HtmlPrinter: {Action} quadruple mode", enable ? "Enabling" : "Disabling");
_isQuadrupleMode = enable;
return Task.CompletedTask;
}
/// <inheritdoc />
public Task SetRedColor(bool enable)
{
_logger?.LogInformation("HtmlPrinter: {Action} red color mode", enable ? "Enabling" : "Disabling");
_isRedColor = enable;
return Task.CompletedTask;
}
/// <inheritdoc />
public Task SetEmphasized(bool enable)
{
_logger?.LogInformation("HtmlPrinter: {Action} emphasized mode", enable ? "Enabling" : "Disabling");
_isEmphasized = enable;
return Task.CompletedTask;
}
/// <inheritdoc />
public Task SelectFont(EpsonCommands.PrinterFont font)
{
_logger?.LogInformation("HtmlPrinter: Selecting font {Font}", font);
_currentFont = font;
return Task.CompletedTask;
}
/// <inheritdoc />
public Task SetBiggerFontTM220(bool enabled)
{
_logger?.LogInformation("HtmlPrinter: {Action} bigger font mode for TM-T20/220", enabled ? "Enabling" : "Disabling");
_isBiggerFontTM220 = enabled;
return Task.CompletedTask;
}
/// <inheritdoc />
public Task PrintTextAsync(string text)
{
EnsureConnected();
_logger?.LogInformation("HtmlPrinter: Printing text ({Length} characters)", text.Length);
var style = BuildCurrentStyle();
var escapedText = EscapeHtml(text);
// Handle newlines
escapedText = escapedText.TrimEnd('\n').Replace("\n", "<br>");
// Add margin-left for absolute positioning
var positionStyle = _absolutePosition > 0 ? $"margin-left: {_absolutePosition}px;" : "";
_content.AppendLine($"<span style=\"{style}{positionStyle}\">{escapedText}</span>");
// Reset absolute position after printing
_absolutePosition = 0;
WriteHtmlFile();
return Task.CompletedTask;
}
/// <inheritdoc />
public Task SetFontSizeAsync(int width, int height)
{
if (width < 1 || width > 8 || height < 1 || height > 8)
throw new ArgumentException("Size must be between 1 and 8");
_logger?.LogInformation("HtmlPrinter: Setting font size to {Width}x{Height}", width, height);
_fontWidthMultiplier = width;
_fontHeightMultiplier = height;
return Task.CompletedTask;
}
/// <inheritdoc />
public async Task PrintTextAndCutAsync(string text, int feedLines = 5)
{
_logger?.LogInformation("HtmlPrinter: Printing text with cut ({Length} characters, {FeedLines} feed lines)",
text.Length, feedLines);
await InitAsync();
await PrintTextAsync(text);
await PrintTextAsync("\n");
await FeedLinesAsync(feedLines);
await CutAsync();
}
/// <inheritdoc />
public Task PrintBuffer()
{
_logger?.LogDebug("HtmlPrinter: PrintBuffer (no-op for HTML)");
return Task.CompletedTask;
}
/// <inheritdoc />
public Task FeedLinesAsync(int lines)
{
EnsureConnected();
_logger?.LogInformation("HtmlPrinter: Feeding {Lines} lines", lines);
for (int i = 0; i < lines; i++)
{
_content.AppendLine($"<div style=\"height: {_lineSpacing}px;\"></div>");
}
WriteHtmlFile();
return Task.CompletedTask;
}
/// <inheritdoc />
public Task CutAsync()
{
EnsureConnected();
_logger?.LogInformation("HtmlPrinter: Cutting paper");
_content.AppendLine("<div class=\"cut\"><span class=\"scissors\">✂</span></div>");
WriteHtmlFile();
return Task.CompletedTask;
}
/// <inheritdoc />
public async Task LoadImageAsync(string imagePath, int maxWidth = 384)
{
_logger?.LogInformation("HtmlPrinter: Loading image from file: {Path}", imagePath);
if (!File.Exists(imagePath))
{
throw new FileNotFoundException($"Image file not found: {imagePath}", imagePath);
}
_loadedImage?.Dispose();
_loadedImage = await Image.LoadAsync<Rgba32>(imagePath);
_loadedImageMaxWidth = maxWidth;
}
/// <inheritdoc />
public async Task LoadImageAsync(Stream imageStream, int maxWidth = 384)
{
_logger?.LogInformation("HtmlPrinter: Loading image from stream");
_loadedImage?.Dispose();
_loadedImage = await Image.LoadAsync<Rgba32>(imageStream);
_loadedImageMaxWidth = maxWidth;
}
/// <inheritdoc />
public Task LoadImageAsync(Image<Rgba32> image, int maxWidth = 384)
{
_logger?.LogInformation("HtmlPrinter: Loading image from ImageSharp object");
_loadedImage?.Dispose();
_loadedImage = image.Clone();
_loadedImageMaxWidth = maxWidth;
return Task.CompletedTask;
}
/// <inheritdoc />
public async Task PrintLoadedImage()
{
EnsureConnected();
if (_loadedImage == null)
{
_logger?.LogWarning("HtmlPrinter: No image loaded to print");
return;
}
_logger?.LogInformation("HtmlPrinter: Printing loaded image");
await RenderImageToHtml(_loadedImage, _loadedImageMaxWidth);
_loadedImage.Dispose();
_loadedImage = null;
}
/// <inheritdoc />
public async Task PrintImageBitModeAsync(string imagePath, EpsonCommands.BitImageMode mode = EpsonCommands.BitImageMode.SingleDensity8Dot, int maxWidth = 10)
{
_logger?.LogInformation("HtmlPrinter: Printing image (bit mode) from file: {Path}", imagePath);
if (!File.Exists(imagePath))
{
throw new FileNotFoundException($"Image file not found: {imagePath}", imagePath);
}
using var image = await Image.LoadAsync<Rgba32>(imagePath);
await PrintImageBitModeAsync(image, mode, maxWidth);
}
/// <inheritdoc />
public async Task PrintImageBitModeAsync(Stream imageStream, EpsonCommands.BitImageMode mode = EpsonCommands.BitImageMode.DoubleDensity24Dot, int maxWidth = 384)
{
_logger?.LogInformation("HtmlPrinter: Printing image (bit mode) from stream");
using var image = await Image.LoadAsync<Rgba32>(imageStream);
await PrintImageBitModeAsync(image, mode, maxWidth);
}
/// <inheritdoc />
public Task PrintImageBitModeAsync(Image<Rgba32> image, EpsonCommands.BitImageMode mode, int maxWidth)
{
EnsureConnected();
_logger?.LogInformation("HtmlPrinter: Printing image (bit mode) {Width}x{Height}", image.Width, image.Height);
return RenderImageToHtml(image, maxWidth);
}
/// <inheritdoc />
public Task SendRawCommandAsync(byte[] command)
{
_logger?.LogDebug("HtmlPrinter: SendRawCommandAsync ignored ({Length} bytes)", command.Length);
// Raw commands are ignored in HTML output
return Task.CompletedTask;
}
/// <inheritdoc />
public Task SetAbsolutePrintPosition(int x)
{
if (x < 0 || x > 65535)
throw new ArgumentOutOfRangeException(nameof(x), "Position must be between 0 and 65535");
_logger?.LogInformation("HtmlPrinter: Setting absolute print position to {X}", x);
_absolutePosition = x;
return Task.CompletedTask;
}
/// <inheritdoc />
public Task SetDefaultLineSpacing()
{
_logger?.LogInformation("HtmlPrinter: Setting default line spacing");
_lineSpacing = 14; // Default (scaled for screen)
return Task.CompletedTask;
}
/// <inheritdoc />
public Task SetCustomLineSpacing(int spacing = 24)
{
if (spacing < 0 || spacing > 255)
throw new ArgumentOutOfRangeException(nameof(spacing), "Spacing must be between 0 and 255");
_logger?.LogInformation("HtmlPrinter: Setting custom line spacing to {Spacing}", spacing);
// Convert dot spacing to approximate pixel spacing (scaled ~0.5x for screen)
_lineSpacing = (int)(spacing * 0.6);
return Task.CompletedTask;
}
/// <inheritdoc />
public ValueTask DisposeAsync()
{
Disconnect();
return ValueTask.CompletedTask;
}
#region Private Methods
private void ResetStylingState()
{
_currentFont = EpsonCommands.PrinterFont.A;
_fontWidthMultiplier = 1;
_fontHeightMultiplier = 1;
_isEmphasized = false;
_isRedColor = false;
_isQuadrupleMode = false;
_isBiggerFontTM220 = false;
_lineSpacing = 14;
_absolutePosition = 0;
}
private string BuildCurrentStyle()
{
var styles = new List<string>();
// Base font size from selected font
var (baseWidth, baseHeight) = FontSizes[_currentFont];
// Apply multipliers
int effectiveWidthMultiplier = _fontWidthMultiplier;
int effectiveHeightMultiplier = _fontHeightMultiplier;
if (_isQuadrupleMode)
{
effectiveWidthMultiplier *= 2;
effectiveHeightMultiplier *= 2;
}
if (_isBiggerFontTM220)
{
effectiveHeightMultiplier *= 2;
}
int fontSize = baseHeight * effectiveHeightMultiplier;
styles.Add($"font-size: {fontSize}px");
// Letter spacing for width scaling (approximate)
if (effectiveWidthMultiplier > 1)
{
int letterSpacing = (effectiveWidthMultiplier) * baseWidth / 2;
styles.Add($"letter-spacing: {letterSpacing}px");
}
// Font weight
if (_isEmphasized)
{
styles.Add("font-weight: bold");
}
// Color
if (_isRedColor)
{
styles.Add("color: #cc0000");
}
// Line height based on current line spacing
styles.Add($"line-height: {_lineSpacing}px");
return string.Join("; ", styles) + ";";
}
private async Task RenderImageToHtml(Image<Rgba32> sourceImage, int maxWidth)
{
// Clone and process the image (apply dithering like real printer)
using var processedImage = sourceImage.Clone();
// Resize if needed
if (processedImage.Width > maxWidth)
{
EpsonImageConverter.ResizeImage(processedImage, maxWidth);
}
// Convert to grayscale
using var grayscaleImage = EpsonImageConverter.ConvertToGrayscale(processedImage);
// Apply Floyd-Steinberg dithering
EpsonImageConverter.ApplyFloydSteinbergDithering(grayscaleImage);
// Convert back to RGBA for saving
using var ditheredImage = new Image<Rgba32>(grayscaleImage.Width, grayscaleImage.Height);
grayscaleImage.ProcessPixelRows(ditheredImage, (sourceAccessor, targetAccessor) =>
{
for (int y = 0; y < sourceAccessor.Height; y++)
{
var sourceRow = sourceAccessor.GetRowSpan(y);
var targetRow = targetAccessor.GetRowSpan(y);
for (int x = 0; x < sourceAccessor.Width; x++)
{
byte value = sourceRow[x].PackedValue;
targetRow[x] = new Rgba32(value, value, value, 255);
}
}
});
// Save image to file
_imageCounter++;
var imageName = $"image_{_imageCounter:D4}.png";
var imagePath = Path.Combine(_imageDirectory, imageName);
await ditheredImage.SaveAsync(imagePath, new PngEncoder());
// Get relative path for HTML
var htmlDir = Path.GetDirectoryName(_outputPath) ?? ".";
var relativeImagePath = Path.GetRelativePath(htmlDir, imagePath).Replace('\\', '/');
// Add to HTML content
var positionStyle = _absolutePosition > 0 ? $"margin-left: {_absolutePosition}px;" : "";
_content.AppendLine($"<div class=\"image\" style=\"{positionStyle}\"><img src=\"{relativeImagePath}\" alt=\"Printed image\"></div>");
// Reset absolute position
_absolutePosition = 0;
WriteHtmlFile();
_logger?.LogInformation("HtmlPrinter: Image saved to {Path}", imagePath);
}
private void WriteHtmlFile()
{
var html = GenerateHtml();
File.WriteAllText(_outputPath, html, Encoding.UTF8);
_logger?.LogDebug("HtmlPrinter: HTML file written to {Path}", _outputPath);
}
private string GenerateHtml()
{
return $@"<!DOCTYPE html>
<html lang=""en"">
<head>
<meta charset=""UTF-8"">
<meta name=""viewport"" content=""width=device-width, initial-scale=1.0"">
<title>Epson Printer Output</title>
<style>
* {{
margin: 0;
padding: 0;
box-sizing: border-box;
}}
body {{
background-color: #f0f0f0;
padding: 20px;
font-family: 'Courier New', Courier, monospace;
}}
.receipt {{
width: {_paperWidth}px;
background-color: #fff;
padding: 10px;
margin: 0 auto;
box-shadow: 0 2px 10px rgba(0,0,0,0.2);
white-space: pre-wrap;
word-wrap: break-word;
overflow-wrap: break-word;
}}
.receipt span {{
display: inline;
}}
.receipt .image {{
display: block;
margin: 5px 0;
}}
.receipt .image img {{
max-width: 100%;
height: auto;
display: block;
}}
.cut {{
position: relative;
border-top: 2px dashed #333;
margin: 20px 0;
height: 0;
}}
.cut .scissors {{
position: absolute;
left: -5px;
top: -12px;
font-size: 18px;
background: #fff;
padding: 0 3px;
}}
/* Simulated paper texture */
.receipt::before {{
content: '';
position: absolute;
top: 0;
left: 0;
right: 0;
bottom: 0;
background: repeating-linear-gradient(
0deg,
transparent,
transparent 1px,
rgba(0,0,0,0.02) 1px,
rgba(0,0,0,0.02) 2px
);
pointer-events: none;
}}
</style>
</head>
<body>
<div class=""receipt"">
{_content}
</div>
</body>
</html>";
}
private static string EscapeHtml(string text)
{
return text
.Replace("&", "&amp;")
.Replace("<", "&lt;")
.Replace(">", "&gt;")
.Replace("\"", "&quot;")
.Replace("'", "&#39;");
}
private void EnsureConnected()
{
if (!_isConnected)
{
throw new EpsonConnectionException("Not connected. Call ConnectAsync first.");
}
}
#endregion
}

View File

@@ -0,0 +1,181 @@
using SixLabors.ImageSharp;
using SixLabors.ImageSharp.PixelFormats;
namespace Inspectron.Epson;
/// <summary>
/// Interface for Epson printer operations, allowing swappable implementations
/// (e.g., real printer vs HTML output for testing/preview)
/// </summary>
public interface IEpsonPrinter : IAsyncDisposable
{
/// <summary>
/// Returns true if connected to the printer
/// </summary>
bool IsConnected { get; }
/// <summary>
/// Connect to the printer
/// </summary>
/// <param name="ip">Printer IP address (or identifier for non-network implementations)</param>
/// <param name="port">Printer port (default 9100)</param>
/// <param name="timeoutSeconds">Connection timeout in seconds (default 10)</param>
Task ConnectAsync(string ip, int port = 9100, int timeoutSeconds = 10);
/// <summary>
/// Disconnect from the printer
/// </summary>
void Disconnect();
/// <summary>
/// Get general printer status
/// </summary>
Task<PrinterStatus> GetPrinterStatusAsync();
/// <summary>
/// Get offline status (reasons for offline)
/// </summary>
Task<OfflineStatus> GetOfflineStatusAsync();
/// <summary>
/// Get error status
/// </summary>
Task<ErrorStatus> GetErrorStatusAsync();
/// <summary>
/// Get paper sensor status
/// </summary>
Task<PaperSensorStatus> GetPaperSensorStatusAsync();
/// <summary>
/// Get TM-T20/220 specific status byte
/// </summary>
Task<byte> GetTM220StatusAsync();
/// <summary>
/// Get printer model/ID
/// </summary>
Task<byte?> GetPrinterIdAsync();
/// <summary>
/// Get comprehensive overall status with health assessment
/// </summary>
Task<OverallStatus> GetOverallStatusAsync();
/// <summary>
/// Initialize the printer
/// </summary>
Task InitAsync();
/// <summary>
/// Enable or disable quadruple size mode
/// </summary>
Task SetQuadrupleMode(bool enable);
/// <summary>
/// Enable or disable red color printing
/// </summary>
Task SetRedColor(bool enable);
/// <summary>
/// Enable or disable emphasized (bold) mode
/// </summary>
Task SetEmphasized(bool enable);
/// <summary>
/// Select printer font
/// </summary>
Task SelectFont(EpsonCommands.PrinterFont font);
/// <summary>
/// Enable or disable bigger font mode for TM-T20/220
/// </summary>
Task SetBiggerFontTM220(bool enabled);
/// <summary>
/// Print text to the printer
/// </summary>
Task PrintTextAsync(string text);
/// <summary>
/// Set font size (magnification)
/// </summary>
/// <param name="width">Width magnification (1-8)</param>
/// <param name="height">Height magnification (1-8)</param>
Task SetFontSizeAsync(int width, int height);
/// <summary>
/// Print text, feed paper, and cut
/// </summary>
Task PrintTextAndCutAsync(string text, int feedLines = 5);
/// <summary>
/// Print the current buffer
/// </summary>
Task PrintBuffer();
/// <summary>
/// Feed specified number of lines
/// </summary>
Task FeedLinesAsync(int lines);
/// <summary>
/// Cut the paper
/// </summary>
Task CutAsync();
/// <summary>
/// Load an image from a file path into the printer buffer
/// </summary>
Task LoadImageAsync(string imagePath, int maxWidth = 384);
/// <summary>
/// Load an image from a stream into the printer buffer
/// </summary>
Task LoadImageAsync(Stream imageStream, int maxWidth = 384);
/// <summary>
/// Load an image from an ImageSharp Image object into the printer buffer
/// </summary>
Task LoadImageAsync(Image<Rgba32> image, int maxWidth = 384);
/// <summary>
/// Print the previously loaded image
/// </summary>
Task PrintLoadedImage();
/// <summary>
/// Print an image using bit-image mode from a file path
/// </summary>
Task PrintImageBitModeAsync(string imagePath, EpsonCommands.BitImageMode mode = EpsonCommands.BitImageMode.SingleDensity8Dot, int maxWidth = 10);
/// <summary>
/// Print an image using bit-image mode from a stream
/// </summary>
Task PrintImageBitModeAsync(Stream imageStream, EpsonCommands.BitImageMode mode = EpsonCommands.BitImageMode.DoubleDensity24Dot, int maxWidth = 384);
/// <summary>
/// Print an image using bit-image mode from an ImageSharp Image object
/// </summary>
Task PrintImageBitModeAsync(Image<Rgba32> image, EpsonCommands.BitImageMode mode, int maxWidth);
/// <summary>
/// Send raw ESC/POS command bytes to the printer
/// </summary>
Task SendRawCommandAsync(byte[] command);
/// <summary>
/// Set the absolute horizontal print position
/// </summary>
Task SetAbsolutePrintPosition(int x);
/// <summary>
/// Set default line spacing
/// </summary>
Task SetDefaultLineSpacing();
/// <summary>
/// Set custom line spacing
/// </summary>
Task SetCustomLineSpacing(int spacing = 24);
}

View File

@@ -2,6 +2,7 @@
using Inspectron.Epson.PrintServer.Printers.Utils; using Inspectron.Epson.PrintServer.Printers.Utils;
using Inspectron.Epson.PrintServer.Printers.Utils.FinalRecipe; using Inspectron.Epson.PrintServer.Printers.Utils.FinalRecipe;
using Inspectron.Epson.PrintServer.PrintServices; using Inspectron.Epson.PrintServer.PrintServices;
using FinalReceipt = Inspectron.Epson.PrintServer.Printers.Utils.FinalRecipe.FinalReceipt;
namespace Inspectron.Epson.PrintServer.Printers; namespace Inspectron.Epson.PrintServer.Printers;
@@ -35,10 +36,10 @@ public class TM_T30IIITranslated:IPrinter
public async Task PrintTextAsync(string text) public async Task PrintTextAsync(string text)
{ {
Receipt? receipt; FinalReceipt? receipt;
try try
{ {
receipt = JsonSerializer.Deserialize<Receipt>(text); receipt = JsonSerializer.Deserialize<FinalReceipt>(text);
} }
catch catch
{ {
@@ -84,7 +85,7 @@ public class TM_T30IIITranslated:IPrinter
ReceiptTranslator translator = new ReceiptTranslator(); ReceiptTranslator translator = new ReceiptTranslator();
var ast = translator.ParseReceipt(text); var ast = translator.ParseReceipt(text);
KitchenReceiptPrinter printer = new KitchenReceiptPrinter(lineWidth: 33, 21); KitchenReceiptPrinter printer = new KitchenReceiptPrinter(lineWidth: 33, 21);
var commands = printer.ConvertToCommands((KitchenReceipt)ast); var commands = printer.ConvertToCommands((TranslatedKitchenReceipt)ast);
foreach (KitchenPrintCommand command in commands) foreach (KitchenPrintCommand command in commands)
{ {
if (command.IsBig) if (command.IsBig)

View File

@@ -37,7 +37,7 @@ public class TM_U220IITranslated:IPrinter
ReceiptTranslator translator = new ReceiptTranslator(); ReceiptTranslator translator = new ReceiptTranslator();
var ast = translator.ParseReceipt(text); var ast = translator.ParseReceipt(text);
KitchenReceiptPrinter printer = new KitchenReceiptPrinter(lineWidth:33,21); KitchenReceiptPrinter printer = new KitchenReceiptPrinter(lineWidth:33,21);
var commands = printer.ConvertToCommands((KitchenReceipt)ast); var commands = printer.ConvertToCommands((TranslatedKitchenReceipt)ast);
foreach (KitchenPrintCommand command in commands) foreach (KitchenPrintCommand command in commands)
{ {
await _printer.SetBiggerFontTM220(command.IsBig); await _printer.SetBiggerFontTM220(command.IsBig);

View File

@@ -1,6 +1,6 @@
namespace Inspectron.Epson.PrintServer.Printers.Utils.FinalRecipe; namespace Inspectron.Epson.PrintServer.Printers.Utils.FinalRecipe;
public class Receipt public class FinalReceipt
{ {
public string CompanyName { get; set; } public string CompanyName { get; set; }
public string Address1 { get; set; } public string Address1 { get; set; }
@@ -17,7 +17,7 @@ public class Receipt
public string PaymentMethod { get; set; } public string PaymentMethod { get; set; }
public decimal PaymentAmount { get; set; } public decimal PaymentAmount { get; set; }
public List<TaxInfo> TaxBreakdown { get; set; } = new List<TaxInfo>(); public List<TaxInfo> TaxBreakdown { get; set; } = new List<TaxInfo>();
public string ServerName { get; set; } public string WaiterName { get; set; }
public string Terminal { get; set; } public string Terminal { get; set; }
public string TableNumber { get; set; } public string TableNumber { get; set; }
public string VatNumber { get; set; } public string VatNumber { get; set; }
@@ -44,17 +44,3 @@ public class TaxInfo
public decimal TaxAmount { get; set; } public decimal TaxAmount { get; set; }
public string Currency { get; set; } public string Currency { get; set; }
} }
public class PrintCommand
{
public string Text { get; set; }
public bool IsBig { get; set; }
public bool IsBold { get; set; }
public PrintCommand(string text, bool isBig = false, bool isBold = false)
{
Text = text;
IsBig = isBig;
IsBold = isBold;
}
}

View File

@@ -11,26 +11,26 @@ public class ReceiptConverter
_bigFontLineWidth = bigFontLineWidth; _bigFontLineWidth = bigFontLineWidth;
} }
public List<PrintCommand> ConvertToPrintCommands(Receipt receipt) public List<PrintCommand> ConvertToPrintCommands(FinalReceipt finalReceipt)
{ {
var commands = new List<PrintCommand>(); var commands = new List<PrintCommand>();
// Header - Company info // Header - Company info
commands.Add(new PrintCommand(Center(receipt.CompanyName, false))); commands.Add(new PrintCommand(Center(finalReceipt.CompanyName, false)));
commands.Add(new PrintCommand(Center(receipt.Address1, false))); commands.Add(new PrintCommand(Center(finalReceipt.Address1, false)));
commands.Add(new PrintCommand(Center(receipt.Address2, false))); commands.Add(new PrintCommand(Center(finalReceipt.Address2, false)));
commands.Add(new PrintCommand(Center(receipt.Phone, false))); commands.Add(new PrintCommand(Center(finalReceipt.Phone, false)));
commands.Add(new PrintCommand("")); commands.Add(new PrintCommand(""));
commands.Add(new PrintCommand("")); commands.Add(new PrintCommand(""));
// Receipt info // FinalReceipt info
string receiptLine = $"Rechnung Nr. {receipt.ReceiptNumber}".PadRight(_lineWidth/2)+$"{receipt.DateTime:HH:mm dd.MM.yyyy}".PadLeft(_lineWidth/2); string receiptLine = $"Rechnung Nr. {finalReceipt.ReceiptNumber}".PadRight(_lineWidth/2)+$"{finalReceipt.DateTime:HH:mm dd.MM.yyyy}".PadLeft(_lineWidth/2);
commands.Add(new PrintCommand(receiptLine,isBold:true)); commands.Add(new PrintCommand(receiptLine,isBold:true));
commands.Add(new PrintCommand($"Guests: {receipt.Guests}")); commands.Add(new PrintCommand($"Guests: {finalReceipt.Guests}"));
commands.Add(new PrintCommand("")); commands.Add(new PrintCommand(""));
// Items // Items
foreach (var item in receipt.Items) foreach (var item in finalReceipt.Items)
{ {
string quantityDesc = $"{item.Quantity}x {item.Description}"; string quantityDesc = $"{item.Quantity}x {item.Description}";
string prices = $"{item.UnitPrice:F2}"+$"{item.TotalPrice:F2}".PadLeft(7)+$" {item.TaxCategory}"; string prices = $"{item.UnitPrice:F2}"+$"{item.TotalPrice:F2}".PadLeft(7)+$" {item.TaxCategory}";
@@ -48,31 +48,31 @@ public class ReceiptConverter
commands.Add(new PrintCommand("")); //Reini commands.Add(new PrintCommand("")); //Reini
// Total // Total
string totalLine = $"Summe: {receipt.Total:F2} {receipt.Currency}"; string totalLine = $"Summe: {finalReceipt.Total:F2} {finalReceipt.Currency}";
commands.Add(new PrintCommand(Center(totalLine, true), true, true)); commands.Add(new PrintCommand(Center(totalLine, true), true, true));
commands.Add(new PrintCommand("")); commands.Add(new PrintCommand(""));
// Alternate currency // Alternate currency
if (receipt.TotalInAlternateCurrency.HasValue) if (finalReceipt.TotalInAlternateCurrency.HasValue)
{ {
string altCurrencyLine = $"{receipt.TotalInAlternateCurrency:F2} {receipt.AlternateCurrency}"; string altCurrencyLine = $"{finalReceipt.TotalInAlternateCurrency:F2} {finalReceipt.AlternateCurrency}";
commands.Add(new PrintCommand(altCurrencyLine.PadLeft(_lineWidth))); commands.Add(new PrintCommand(altCurrencyLine.PadLeft(_lineWidth)));
commands.Add(new PrintCommand("")); commands.Add(new PrintCommand(""));
} }
// Payment method // Payment method
string paymentLine = $"{receipt.PaymentMethod}"; string paymentLine = $"{finalReceipt.PaymentMethod}";
string paymentAmount = $"{receipt.PaymentAmount:F2} {receipt.Currency}"; string paymentAmount = $"{finalReceipt.PaymentAmount:F2} {finalReceipt.Currency}";
int paymentSpaces = _lineWidth - paymentLine.Length - paymentAmount.Length; int paymentSpaces = _lineWidth - paymentLine.Length - paymentAmount.Length;
if (paymentSpaces < 1) paymentSpaces = 1; if (paymentSpaces < 1) paymentSpaces = 1;
commands.Add(new PrintCommand(paymentLine + new string(' ', paymentSpaces) + paymentAmount,isBold:true)); commands.Add(new PrintCommand(paymentLine + new string(' ', paymentSpaces) + paymentAmount,isBold:true));
commands.Add(new PrintCommand("")); commands.Add(new PrintCommand(""));
// Tax breakdown // Tax breakdown
foreach (var tax in receipt.TaxBreakdown) foreach (var tax in finalReceipt.TaxBreakdown)
{ {
string taxLine = "MwSt %".PadRight(_lineWidth/4)+" Brutto".PadRight(_lineWidth / 4) + " Netto".PadRight(_lineWidth / 4) + "MwSt".PadLeft(_lineWidth / 4); string taxLine = "MwSt %".PadRight(_lineWidth/4)+" Brutto".PadRight(_lineWidth / 4) + " Netto".PadRight(_lineWidth / 4) + "MwSt".PadLeft(_lineWidth / 4);
if (receipt.TaxBreakdown.IndexOf(tax) == 0) if (finalReceipt.TaxBreakdown.IndexOf(tax) == 0)
{ {
commands.Add(new PrintCommand(taxLine)); commands.Add(new PrintCommand(taxLine));
} }
@@ -83,22 +83,22 @@ public class ReceiptConverter
commands.Add(new PrintCommand("")); commands.Add(new PrintCommand(""));
// Footer info // Footer info
//commands.Add(new PrintCommand(Center($"Bedient von: {receipt.ServerName}", false))); //commands.Add(new PrintCommand(Center($"Bedient von: {finalReceipt.WaiterName}", false)));
//commands.Add(new PrintCommand(Center($"Terminal: {receipt.Terminal}", false))); //commands.Add(new PrintCommand(Center($"Terminal: {finalReceipt.Terminal}", false)));
//commands.Add(new PrintCommand(Center($"Tisch: {receipt.TableNumber}", false))); //commands.Add(new PrintCommand(Center($"Tisch: {finalReceipt.TableNumber}", false)));
commands.Add(new PrintCommand($"Bedient von:".PadLeft(_lineWidth / 2) + $" {receipt.ServerName}")); commands.Add(new PrintCommand($"Bedient von:".PadLeft(_lineWidth / 2) + $" {finalReceipt.WaiterName}"));
commands.Add(new PrintCommand($"Terminal:".PadLeft(_lineWidth / 2) + $" {receipt.Terminal}")); commands.Add(new PrintCommand($"Terminal:".PadLeft(_lineWidth / 2) + $" {finalReceipt.Terminal}"));
commands.Add(new PrintCommand($"Tisch:".PadLeft(_lineWidth / 2)+$" {receipt.TableNumber}")); commands.Add(new PrintCommand($"Tisch:".PadLeft(_lineWidth / 2)+$" {finalReceipt.TableNumber}"));
commands.Add(new PrintCommand("")); commands.Add(new PrintCommand(""));
commands.Add(new PrintCommand("")); commands.Add(new PrintCommand(""));
// VAT number // VAT number
commands.Add(new PrintCommand(Center(receipt.VatNumber, false))); commands.Add(new PrintCommand(Center(finalReceipt.VatNumber, false)));
// Thank you message // Thank you message
commands.Add(new PrintCommand(Center(receipt.ThankYouMessage, false))); commands.Add(new PrintCommand(Center(finalReceipt.ThankYouMessage, false)));
commands.Add(new PrintCommand(Center(receipt.GoodbyeMessageLine1, false))); commands.Add(new PrintCommand(Center(finalReceipt.GoodbyeMessageLine1, false)));
commands.Add(new PrintCommand(Center(receipt.GoodbyeMessageLine2, false))); commands.Add(new PrintCommand(Center(finalReceipt.GoodbyeMessageLine2, false)));
return commands; return commands;
} }

View File

@@ -0,0 +1,109 @@
namespace Inspectron.Epson.PrintServer.Printers.Utils.KitchenReceipt;
public class KitchenReceiptConverter
{
private readonly int _lineWidth;
private readonly int _BigLineWidth;
public KitchenReceiptConverter(int lineWidth = 42, int bigLineWidth=22)
{
_BigLineWidth = bigLineWidth;
_lineWidth = lineWidth;
}
public List<PrintCommand> ConvertToPrintCommands(KitchenReceipt kitchenReceipt)
{
var commands = new List<PrintCommand>();
// Header - Restaurant name in red
commands.Add(new PrintCommand(Center(kitchenReceipt.Title, true)) { IsRed = true , IsBig = true});
commands.Add(new PrintCommand(CreateDashedLine()));
commands.Add(new PrintCommand(""));
// Transaction info
string dateTimeLine = $"{kitchenReceipt.TransactionDateTime:dd-MMM-yy HH:mm} Nr.:{kitchenReceipt.ReceiptNumber}";
commands.Add(new PrintCommand(Center(dateTimeLine, false)));
string serverLine = $"{kitchenReceipt.WaiterName}";
commands.Add(new PrintCommand(Center(serverLine, false)));
string serverIdLine = $"{kitchenReceipt.WaiterId}";
commands.Add(new PrintCommand(Center(serverIdLine, false)));
string tableLine = $"Tisch: {kitchenReceipt.TableNumber}";
commands.Add(new PrintCommand(Center(tableLine, true), true, true));
commands.Add(new PrintCommand(CreateDashedLine()));
// Gangs
foreach (Gang gang in kitchenReceipt.Gangs)
{
commands.Add(new PrintCommand(Center($"{gang.Id}. {gang.Name}", false)) { IsRed = true });
foreach (var dish in gang.Dishes)
{
string dishLine = $"{dish.Number}x {dish.Name}";
commands.Add(new PrintCommand(dishLine));
}
}
if (kitchenReceipt.Gangs.Count > 0)
{
commands.Add(new PrintCommand(CreateDashedLine()));
}
foreach (var dish in kitchenReceipt.Dishes)
{
string dishLine = $"{dish.Number}x {dish.Name}";
commands.Add(new PrintCommand(dishLine));
}
commands.Add(new PrintCommand(""));
commands.Add(new PrintCommand(CreateDashedLine()));
commands.Add(new PrintCommand(""));
//// Additional info section
//if (kitchenReceipt.AdditionalInfo != null && kitchenReceipt.AdditionalInfo.Count > 0)
//{
// commands.Add(new PrintCommand(CreateAsterisksLine()));
// commands.Add(new PrintCommand("Info über zugehörige Artikel"));
// commands.Add(new PrintCommand(CreateAsterisksLine()));
// foreach (var info in kitchenReceipt.AdditionalInfo)
// {
// commands.Add(new PrintCommand(info));
// }
// commands.Add(new PrintCommand(""));
//}
return commands;
}
private string Center(string text, bool isBigFont)
{
var actualLineWidth = isBigFont ? _BigLineWidth : _lineWidth;
if (string.IsNullOrEmpty(text) || text.Length >= actualLineWidth)
return text;
int totalPadding = actualLineWidth - text.Length;
int leftPadding = totalPadding / 2;
return new string(' ', leftPadding) + text;
}
private string CreateDashedLine()
{
return new string('-', _lineWidth);
}
private string CreateAsterisksLine()
{
return new string('*', _lineWidth);
}
}

View File

@@ -0,0 +1,92 @@
namespace Inspectron.Epson.PrintServer.Printers.Utils.KitchenReceipt
{
/// <summary>
/// Represents a restaurant receipt from Warme Küche
/// </summary>
public class KitchenReceipt
{
/// <summary>
/// Restaurant name
/// </summary>
public string Title { get; set; }
/// <summary>
/// Date and time of the transaction
/// </summary>
public DateTime TransactionDateTime { get; set; }
/// <summary>
/// Receipt number
/// </summary>
public string ReceiptNumber { get; set; }
/// <summary>
/// Server/Waiter name
/// </summary>
public string WaiterName { get; set; }
/// <summary>
/// Server/Waiter ID
/// </summary>
public string WaiterId { get; set; }
/// <summary>
/// Table number
/// </summary>
public int TableNumber { get; set; }
public List<Gang> Gangs { get; set; } = new List<Gang>();
public List<Dish> Dishes { get; set; } = new List<Dish>();
/// <summary>
/// Additional items or notes (e.g., "Amuse Bouche")
/// </summary>
public List<string> AdditionalInfo { get; set; }
public KitchenReceipt()
{
Gangs = new List<Gang>();
AdditionalInfo = new List<string>();
}
}
public class Gang
{
public Gang(int id, string name)
{
Id = id;
Name = name;
}
public int Id { get; set; }
public string Name { get; set; }
public List<Dish> Dishes { get; set; } = new List<Dish>();
}
/// <summary>
/// Represents a dish item on the receipt
/// </summary>
public class Dish
{
/// <summary>
/// Number ordered
/// </summary>
public int Number { get; set; }
/// <summary>
/// Name of the dish
/// </summary>
public string Name { get; set; }
public Dish(int number, string name)
{
Number = number;
Name = name;
}
}
}

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@@ -11,7 +11,7 @@ public class KitchenReceiptPrinter
_bigFontLineWidth = bigFontLineWidth; _bigFontLineWidth = bigFontLineWidth;
} }
public List<KitchenPrintCommand> ConvertToCommands(KitchenReceipt receipt) public List<KitchenPrintCommand> ConvertToCommands(TranslatedKitchenReceipt receipt)
{ {
var commands = new List<KitchenPrintCommand>(); var commands = new List<KitchenPrintCommand>();

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@@ -0,0 +1,16 @@
namespace Inspectron.Epson.PrintServer.Printers.Utils;
public class PrintCommand
{
public string Text { get; set; }
public bool IsBig { get; set; }
public bool IsBold { get; set; }
public bool IsRed { get; set; }
public PrintCommand(string text, bool isBig = false, bool isBold = false)
{
Text = text;
IsBig = isBig;
IsBold = isBold;
}
}

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@@ -1,7 +1,7 @@
namespace Inspectron.Epson.PrintServer.Printers.Utils; namespace Inspectron.Epson.PrintServer.Printers.Utils;
public record KitchenReceipt(string Location, string Date, string Owner, string Tisch, List<KitchenItem> items) :ASTNode; public record TranslatedKitchenReceipt(string Location, string Date, string Owner, string Tisch, List<KitchenItem> items) :ASTNode;
public record KitchenItem(string Name) : ASTNode; public record KitchenItem(string Name) : ASTNode;
public record KitchenProduct(int Amount, string Name) : KitchenItem(Name); public record KitchenProduct(int Amount, string Name) : KitchenItem(Name);
public record KitchenGang(string Name) : KitchenItem(Name); public record KitchenGang(string Name) : KitchenItem(Name);
@@ -112,7 +112,7 @@ public class ReceiptTranslator
return new FinalReceipt(location, phone, url, date, items, total, mwst, comment, thanks); return new FinalReceipt(location, phone, url, date, items, total, mwst, comment, thanks);
} }
public static KitchenReceipt ParseKitchenReceipt(string receiptText) public static TranslatedKitchenReceipt ParseKitchenReceipt(string receiptText)
{ {
var lines = receiptText.Split('\n', StringSplitOptions.RemoveEmptyEntries) var lines = receiptText.Split('\n', StringSplitOptions.RemoveEmptyEntries)
.Select(l => l.Trim()) .Select(l => l.Trim())
@@ -198,7 +198,7 @@ public class ReceiptTranslator
currentIndex++; currentIndex++;
} }
return new KitchenReceipt(location, date, owner, tisch, items); return new TranslatedKitchenReceipt(location, date, owner, tisch, items);
} }

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@@ -21,7 +21,7 @@ public class JamesWorkAreaSource: IWorkAreasSource
response.Add(new WorkArea() response.Add(new WorkArea()
{ {
Id = "print-receipt", Id = "print-receipt",
Name = "Receipt" Name = "FinalReceipt"
}); });
return response!; return response!;
} }

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