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recticel_print_service/RecticelPrintService/LabelPrinter.cs
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288
recticel_print_service/RecticelPrintService/LabelPrinter.cs
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using System;
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using System.Drawing;
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using System.Drawing.Printing;
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using System.Text;
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using Newtonsoft.Json;
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namespace RecticelPrintService
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{
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public class LabelPrinter
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{
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private PrintData _labelData;
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// Label dimensions in millimeters (80x110mm)
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private const float LABEL_WIDTH_MM = 80f;
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private const float LABEL_HEIGHT_MM = 110f;
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// Convert mm to hundredths of an inch (used by .NET printing)
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private float MmToHundredthsOfInch(float mm)
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{
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return mm * 3.937f; // 1mm = 0.03937 inches, * 100 for hundredths
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}
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public bool PrintLabel(string printerName, string jsonData)
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{
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try
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{
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// Parse JSON data
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_labelData = JsonConvert.DeserializeObject<PrintData>(jsonData);
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if (_labelData == null)
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{
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Console.WriteLine("Failed to parse JSON data");
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return false;
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}
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// Set up print document
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PrintDocument printDoc = new PrintDocument();
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printDoc.PrinterSettings.PrinterName = printerName;
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// Check if printer exists
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if (!printDoc.PrinterSettings.IsValid)
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{
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Console.WriteLine($"Printer '{printerName}' not found or not available");
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Console.WriteLine("Available printers:");
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foreach (string printer in PrinterSettings.InstalledPrinters)
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{
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Console.WriteLine($" - {printer}");
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}
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return false;
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}
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// Set paper size for 80x110mm labels
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PaperSize labelSize = new PaperSize("Label 80x110mm",
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(int)MmToHundredthsOfInch(LABEL_WIDTH_MM),
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(int)MmToHundredthsOfInch(LABEL_HEIGHT_MM));
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printDoc.DefaultPageSettings.PaperSize = labelSize;
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printDoc.DefaultPageSettings.Margins = new Margins(0, 0, 0, 0);
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// Set print event handler
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printDoc.PrintPage += PrintDoc_PrintPage;
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// Print the document
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printDoc.Print();
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return true;
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}
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catch (Exception ex)
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{
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Console.WriteLine($"Error printing label: {ex.Message}");
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return false;
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}
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}
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private void PrintDoc_PrintPage(object sender, PrintPageEventArgs e)
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{
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try
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{
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Graphics g = e.Graphics;
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// Define fonts
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Font companyFont = new Font("Arial", 10, FontStyle.Bold);
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Font headerFont = new Font("Arial", 8, FontStyle.Bold);
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Font dataFont = new Font("Arial", 9, FontStyle.Bold);
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Font labelFont = new Font("Arial", 7);
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Font barcodeFont = new Font("Courier New", 6, FontStyle.Bold);
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// Define brushes and pens
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Brush textBrush = Brushes.Black;
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Pen borderPen = new Pen(Color.Black, 2);
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Pen dividerPen = new Pen(Color.Gray, 1);
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// Calculate positions (in pixels, 300 DPI assumed)
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float dpiX = e.Graphics.DpiX;
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float dpiY = e.Graphics.DpiY;
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// Convert mm to pixels
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float labelWidth = (LABEL_WIDTH_MM / 25.4f) * dpiX;
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float labelHeight = (LABEL_HEIGHT_MM / 25.4f) * dpiY;
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// Content area (similar to your HTML preview)
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float contentX = (3f / 25.4f) * dpiX; // 3mm margin
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float contentY = (15f / 25.4f) * dpiY; // 15mm from bottom
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float contentWidth = (60f / 25.4f) * dpiX; // 60mm width
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float contentHeight = (85f / 25.4f) * dpiY; // 85mm height
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// Draw main content border
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g.DrawRectangle(borderPen, contentX, contentY, contentWidth, contentHeight);
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// Calculate row height
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float rowHeight = contentHeight / 10f; // 9 rows + spacing
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float currentY = contentY;
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// Row 1: Company Header
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string companyText = "INNOFA RROMANIA SRL";
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SizeF companySize = g.MeasureString(companyText, companyFont);
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float companyX = contentX + (contentWidth - companySize.Width) / 2;
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g.DrawString(companyText, companyFont, textBrush, companyX, currentY + rowHeight/3);
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currentY += rowHeight;
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// Horizontal divider after company
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g.DrawLine(dividerPen, contentX, currentY, contentX + contentWidth, currentY);
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// Row 2: Customer Name
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string customerName = _labelData.CustomerName ?? "N/A";
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SizeF customerSize = g.MeasureString(customerName, headerFont);
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float customerX = contentX + (contentWidth - customerSize.Width) / 2;
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g.DrawString(customerName, headerFont, textBrush, customerX, currentY + rowHeight/3);
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currentY += rowHeight;
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// Horizontal divider after customer
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g.DrawLine(dividerPen, contentX, currentY, contentX + contentWidth, currentY);
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// Vertical divider (40% from left)
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float verticalDividerX = contentX + contentWidth * 0.4f;
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g.DrawLine(dividerPen, verticalDividerX, currentY, verticalDividerX, contentY + contentHeight);
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// Row 3: Quantity
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g.DrawString("Quantity ordered", labelFont, textBrush, contentX + 5, currentY + rowHeight/4);
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string quantity = _labelData.Cantitate.ToString();
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SizeF qtySize = g.MeasureString(quantity, dataFont);
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float qtyX = verticalDividerX + (contentWidth * 0.6f - qtySize.Width) / 2;
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g.DrawString(quantity, dataFont, textBrush, qtyX, currentY + rowHeight/4);
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currentY += rowHeight;
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// Horizontal divider
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g.DrawLine(dividerPen, contentX, currentY, contentX + contentWidth, currentY);
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// Row 4: Customer Order
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g.DrawString("Customer order", labelFont, textBrush, contentX + 5, currentY + rowHeight/4);
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string customerOrder = $"{_labelData.ComAchizClient}-{_labelData.NrLinieComClient}";
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if (string.IsNullOrEmpty(_labelData.ComAchizClient)) customerOrder = "N/A";
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SizeF orderSize = g.MeasureString(customerOrder, dataFont);
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float orderX = verticalDividerX + (contentWidth * 0.6f - orderSize.Width) / 2;
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g.DrawString(customerOrder, dataFont, textBrush, orderX, currentY + rowHeight/4);
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currentY += rowHeight;
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// Horizontal divider
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g.DrawLine(dividerPen, contentX, currentY, contentX + contentWidth, currentY);
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// Row 5: Delivery Date
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g.DrawString("Delivery date", labelFont, textBrush, contentX + 5, currentY + rowHeight/4);
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string deliveryDate = _labelData.DataLivrare ?? "N/A";
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if (!string.IsNullOrEmpty(deliveryDate) && deliveryDate != "N/A")
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{
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try
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{
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DateTime dt = DateTime.Parse(deliveryDate);
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deliveryDate = dt.ToString("dd/MM/yyyy");
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}
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catch { }
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}
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SizeF dateSize = g.MeasureString(deliveryDate, dataFont);
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float dateX = verticalDividerX + (contentWidth * 0.6f - dateSize.Width) / 2;
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g.DrawString(deliveryDate, dataFont, textBrush, dateX, currentY + rowHeight/4);
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currentY += rowHeight;
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// Horizontal divider
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g.DrawLine(dividerPen, contentX, currentY, contentX + contentWidth, currentY);
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// Row 6: Description (double height)
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g.DrawString("Description", labelFont, textBrush, contentX + 5, currentY + rowHeight/4);
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string description = _labelData.DescrComProd ?? "N/A";
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// Word wrap description if needed
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RectangleF descRect = new RectangleF(verticalDividerX + 5, currentY + 5,
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contentWidth * 0.6f - 10, rowHeight * 2 - 10);
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g.DrawString(description, dataFont, textBrush, descRect);
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currentY += rowHeight * 2;
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// Horizontal divider
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g.DrawLine(dividerPen, contentX, currentY, contentX + contentWidth, currentY);
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// Row 7: Size
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g.DrawString("Size", labelFont, textBrush, contentX + 5, currentY + rowHeight/4);
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string size = _labelData.Dimensiune ?? "N/A";
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SizeF sizeSize = g.MeasureString(size, dataFont);
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float sizeX = verticalDividerX + (contentWidth * 0.6f - sizeSize.Width) / 2;
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g.DrawString(size, dataFont, textBrush, sizeX, currentY + rowHeight/4);
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currentY += rowHeight;
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// Horizontal divider
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g.DrawLine(dividerPen, contentX, currentY, contentX + contentWidth, currentY);
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// Row 8: Article Code
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g.DrawString("Article Code", labelFont, textBrush, contentX + 5, currentY + rowHeight/4);
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string articleCode = _labelData.CustomerArticleNumber ?? "N/A";
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SizeF artSize = g.MeasureString(articleCode, dataFont);
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float artX = verticalDividerX + (contentWidth * 0.6f - artSize.Width) / 2;
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g.DrawString(articleCode, dataFont, textBrush, artX, currentY + rowHeight/4);
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currentY += rowHeight;
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// Horizontal divider
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g.DrawLine(dividerPen, contentX, currentY, contentX + contentWidth, currentY);
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// Row 9: Prod Order
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g.DrawString("Prod Order", labelFont, textBrush, contentX + 5, currentY + rowHeight/4);
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string prodOrder = _labelData.SequentialNumber ?? $"{_labelData.ComandaProductie}-{_labelData.Cantitate}";
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SizeF prodSize = g.MeasureString(prodOrder, dataFont);
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float prodX = verticalDividerX + (contentWidth * 0.6f - prodSize.Width) / 2;
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g.DrawString(prodOrder, dataFont, textBrush, prodX, currentY + rowHeight/4);
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// Bottom barcode area
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float barcodeY = contentY + contentHeight + (5f / 25.4f) * dpiY; // 5mm below content
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float barcodeWidth = contentWidth;
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float barcodeHeight = (10f / 25.4f) * dpiY; // 10mm height
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// Draw barcode representation (simple lines)
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DrawSimpleBarcode(g, contentX, barcodeY, barcodeWidth, barcodeHeight, prodOrder);
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// Barcode text
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SizeF barcodeTextSize = g.MeasureString(prodOrder, barcodeFont);
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float barcodeTextX = contentX + (contentWidth - barcodeTextSize.Width) / 2;
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g.DrawString(prodOrder, barcodeFont, textBrush, barcodeTextX, barcodeY + barcodeHeight + 5);
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// Vertical barcode on the right side
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float verticalBarcodeX = contentX + contentWidth + (5f / 25.4f) * dpiX; // 5mm to the right
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float verticalBarcodeWidth = (8f / 25.4f) * dpiX; // 8mm width
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DrawSimpleVerticalBarcode(g, verticalBarcodeX, contentY + rowHeight * 2,
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verticalBarcodeWidth, contentHeight - rowHeight * 2, customerOrder);
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// Dispose resources
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companyFont.Dispose();
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headerFont.Dispose();
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dataFont.Dispose();
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labelFont.Dispose();
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barcodeFont.Dispose();
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borderPen.Dispose();
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dividerPen.Dispose();
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}
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catch (Exception ex)
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{
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Console.WriteLine($"Error in PrintPage event: {ex.Message}");
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}
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}
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private void DrawSimpleBarcode(Graphics g, float x, float y, float width, float height, string data)
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{
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// Simple barcode representation using alternating lines
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float barWidth = 2f;
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bool drawBar = true;
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for (float currentX = x; currentX < x + width; currentX += barWidth)
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{
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if (drawBar)
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{
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g.FillRectangle(Brushes.Black, currentX, y, barWidth, height * 0.8f);
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}
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drawBar = !drawBar;
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}
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}
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private void DrawSimpleVerticalBarcode(Graphics g, float x, float y, float width, float height, string data)
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{
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// Simple vertical barcode representation
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float barHeight = 2f;
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bool drawBar = true;
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for (float currentY = y; currentY < y + height; currentY += barHeight)
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{
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if (drawBar)
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{
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g.FillRectangle(Brushes.Black, x, currentY, width * 0.8f, barHeight);
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}
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drawBar = !drawBar;
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}
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}
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}
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}
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