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MathanKumarVaradhaRajaPerumalMathanKumarVaradhaRajaPerumal
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Merge pull request #540 from SyncfusionExamples/1012802-Font-manager
1012802- Added Dedicated font sample in DocIO
2 parents ee81222 + 53a02b6 commit 17911a3

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‎Unified-font-manager/.NET/Dedicated-font-manager.sln‎

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Microsoft Visual Studio Solution File, Format Version 12.00
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# Visual Studio Version 17
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VisualStudioVersion = 17.14.37012.4 d17.14
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MinimumVisualStudioVersion = 10.0.40219.1
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Dedicated-font-manager", "Dedicated-font-manager\Dedicated-font-manager.csproj", "{419DDFEB-A2E2-4090-9E1D-0BE6D9EE80AC}"
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EndProject
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Global
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GlobalSection(SolutionConfigurationPlatforms) = preSolution
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Debug|Any CPU = Debug|Any CPU
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Release|Any CPU = Release|Any CPU
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EndGlobalSection
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GlobalSection(ProjectConfigurationPlatforms) = postSolution
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{419DDFEB-A2E2-4090-9E1D-0BE6D9EE80AC}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{419DDFEB-A2E2-4090-9E1D-0BE6D9EE80AC}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{419DDFEB-A2E2-4090-9E1D-0BE6D9EE80AC}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{419DDFEB-A2E2-4090-9E1D-0BE6D9EE80AC}.Release|Any CPU.Build.0 = Release|Any CPU
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EndGlobalSection
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GlobalSection(SolutionProperties) = preSolution
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HideSolutionNode = FALSE
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EndGlobalSection
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GlobalSection(ExtensibilityGlobals) = postSolution
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SolutionGuid = {75E58B0E-2E19-4599-894D-D6CDD93A3D7C}
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EndGlobalSection
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EndGlobal

‎Unified-font-manager/.NET/Dedicated-font-manager/Controllers/HomeController.cs‎

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using Dedicated_font_manager.Models;
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using Microsoft.AspNetCore.Mvc;
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using Syncfusion.DocIO.DLS;
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using Syncfusion.DocIORenderer;
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using Syncfusion.Pdf;
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using Syncfusion.Presentation;
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using Syncfusion.PresentationRenderer;
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using Syncfusion.XlsIO;
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using Syncfusion.XlsIORenderer;
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using System.Diagnostics;
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namespace Dedicated_font_manager.Controllers
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{
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public class HomeController : Controller
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{
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private readonly ILogger<HomeController> _logger;
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public HomeController(ILogger<HomeController> logger)
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{
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_logger = logger;
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}
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public IActionResult OfficeToPDF(string button)
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{
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if (button == null)
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return View("Index");
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if (Request.Form.Files != null)
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{
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if (Request.Form.Files.Count == 0)
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{
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ViewBag.Message = string.Format("Browse a Word document and then click the button to convert as a PDF document");
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return View("Index");
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}
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// Gets the extension from file.
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string extension = Path.GetExtension(Request.Form.Files[0].FileName).ToLower();
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string fileName = Path.GetFileNameWithoutExtension(Request.Form.Files[0].FileName);
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try
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{
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PdfDocument pdfDocument = null;
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// Switch on file extension to determine conversion method
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switch (extension.ToLower())
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{
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// Word document formats
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case ".doc":
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case ".docx":
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case ".dot":
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case ".dotx":
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case ".dotm":
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case ".docm":
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case ".xml":
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case ".rtf":
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using (MemoryStream inputStream = new MemoryStream())
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{
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// Copy uploaded file to memory stream
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Request.Form.Files[0].CopyTo(inputStream);
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inputStream.Position = 0;
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// Open and load the Word document
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using (WordDocument wordDocument = new WordDocument())
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{
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// Convert Word document to PDF format
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wordDocument.Open(inputStream, Syncfusion.DocIO.FormatType.Automatic);
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using (DocIORenderer renderer = new DocIORenderer())
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{
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pdfDocument = renderer.ConvertToPDF(wordDocument);
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}
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}
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}
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break;
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// Excel format
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case ".xlsx":
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case ".xls":
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case ".xltx":
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case ".xlsm":
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case ".csv":
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case ".xlsb":
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case ".xltm":
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using (MemoryStream inputStream = new MemoryStream())
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{
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// Copy uploaded file to memory stream
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Request.Form.Files[0].CopyTo(inputStream);
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inputStream.Position = 0;
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// Create Excel engine and load workbook
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using (ExcelEngine excelEngine = new ExcelEngine())
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{
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IApplication application = excelEngine.Excel;
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application.DefaultVersion = ExcelVersion.Xlsx;
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IWorkbook workbook = application.Workbooks.Open(inputStream);
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// Convert Excel workbook to PDF format
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XlsIORenderer renderer = new XlsIORenderer();
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pdfDocument = renderer.ConvertToPDF(workbook);
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}
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}
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break;
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// PowerPoint format
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case ".pptx":
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using (MemoryStream inputStream = new MemoryStream())
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{
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// Copy uploaded file to memory stream
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Request.Form.Files[0].CopyTo(inputStream);
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inputStream.Position = 0;
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// Open PowerPoint presentation and convert to PDF
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using (IPresentation pptxDoc = Presentation.Open(inputStream))
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{
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pdfDocument = PresentationToPdfConverter.Convert(pptxDoc);
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}
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}
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break;
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// Invalid file format
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default:
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ViewBag.Message = "Please choose Word, Excel or PowerPoint document to convert to PDF";
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return null;
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}
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// Save converted PDF and return as downloadable file
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if (pdfDocument != null)
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{
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using (pdfDocument)
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{
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// Create memory stream to hold the PDF data
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MemoryStream pdfStream = new MemoryStream();
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// Save the converted PDF to memory stream
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pdfDocument.Save(pdfStream);
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// Reset stream position to beginning for reading
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pdfStream.Position = 0;
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// Return PDF as downloadable file to browser
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return File(pdfStream, "application/pdf", fileName + ".pdf");
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}
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}
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}
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catch (Exception ex)
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{
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ViewBag.Message = string.Format(ex.Message);
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}
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}
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else
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{
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ViewBag.Message = string.Format("Browse a Word,Excel or PowerPoint document and then click the button to convert as a PDF document");
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}
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return View("Index");
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}
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public IActionResult Index()
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{
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return View();
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}
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public IActionResult Privacy()
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{
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return View();
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}
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[ResponseCache(Duration = 0, Location = ResponseCacheLocation.None, NoStore = true)]
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public IActionResult Error()
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{
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return View(new ErrorViewModel { RequestId = Activity.Current?.Id ?? HttpContext.TraceIdentifier });
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}
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}
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}

‎Unified-font-manager/.NET/Dedicated-font-manager/Dedicated-font-manager.csproj‎

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<Project Sdk="Microsoft.NET.Sdk.Web">
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<PropertyGroup>
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<TargetFramework>net8.0</TargetFramework>
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<Nullable>enable</Nullable>
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<ImplicitUsings>enable</ImplicitUsings>
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<RootNamespace>Dedicated_font_manager</RootNamespace>
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</PropertyGroup>
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<ItemGroup>
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<PackageReference Include="Syncfusion.DocIORenderer.Net.Core" Version="*" />
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<PackageReference Include="Syncfusion.PresentationRenderer.Net.Core" Version="*" />
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<PackageReference Include="Syncfusion.XlsIORenderer.Net.Core" Version="*" />
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</ItemGroup>
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</Project>

‎Unified-font-manager/.NET/Dedicated-font-manager/Models/ErrorViewModel.cs‎

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namespace Dedicated_font_manager.Models
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{
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public class ErrorViewModel
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{
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public string? RequestId { get; set; }
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public bool ShowRequestId => !string.IsNullOrEmpty(RequestId);
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}
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}

‎Unified-font-manager/.NET/Dedicated-font-manager/Program.cs‎

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var builder = WebApplication.CreateBuilder(args);
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// Add services to the container.
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builder.Services.AddControllersWithViews();
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var app = builder.Build();
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// Set FontManager delay at startup (before any conversions happen)
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// Default is 30000ms. Adjust based on your conversion workload.
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Syncfusion.Drawing.Fonts.FontManager.Delay = 50000;
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// Access the application lifetime service
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var lifetime = app.Services.GetRequiredService<IHostApplicationLifetime>();
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// Register a callback to run when the app is shutting down
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lifetime.ApplicationStopping.Register(() =>
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{
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Syncfusion.Drawing.Fonts.FontManager.ClearCache();
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});
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// Configure the HTTP request pipeline.
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if (!app.Environment.IsDevelopment())
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{
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app.UseExceptionHandler("/Home/Error");
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// The default HSTS value is 30 days. You may want to change this for production scenarios, see https://aka.ms/aspnetcore-hsts.
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app.UseHsts();
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}
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app.UseHttpsRedirection();
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app.UseStaticFiles();
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app.UseRouting();
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app.UseAuthorization();
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app.MapControllerRoute(
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name: "default",
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pattern: "{controller=Home}/{action=Index}/{id?}");
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app.Run();

‎Unified-font-manager/.NET/Dedicated-font-manager/Properties/launchSettings.json‎

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{
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"$schema": "http://json.schemastore.org/launchsettings.json",
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"iisSettings": {
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"windowsAuthentication": false,
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"anonymousAuthentication": true,
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"iisExpress": {
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"applicationUrl": "http://localhost:62691",
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"sslPort": 44377
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}
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},
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"profiles": {
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"http": {
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"commandName": "Project",
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"dotnetRunMessages": true,
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"launchBrowser": true,
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"applicationUrl": "http://localhost:5072",
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"environmentVariables": {
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"ASPNETCORE_ENVIRONMENT": "Development"
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}
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},
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"https": {
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"commandName": "Project",
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"dotnetRunMessages": true,
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"launchBrowser": true,
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"applicationUrl": "https://localhost:7105;http://localhost:5072",
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"environmentVariables": {
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"ASPNETCORE_ENVIRONMENT": "Development"
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}
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},
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"IIS Express": {
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"commandName": "IISExpress",
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"launchBrowser": true,
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"environmentVariables": {
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"ASPNETCORE_ENVIRONMENT": "Development"
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}
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}
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}
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}

‎Unified-font-manager/.NET/Dedicated-font-manager/Views/Home/Index.cshtml‎

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@{
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ViewData["Title"] = "Home Page";
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}
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@using (Html.BeginForm("OfficeToPDF", "Home", FormMethod.Post, new { enctype = "multipart/form-data" }))
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{
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@Html.AntiForgeryToken()
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<div class="Common">
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<div class="tablediv">
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<div class="rowdiv">
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<p>This sample illustrates how to convert Word document, Excel and PowerPoint file to PDF using Document SDK.</p>
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<p><strong>Font Manager:</strong> A unified font-caching system that optimizes memory usage across all document conversion libraries (Word-to-PDF, Excel-to-PDF, PowerPoint-to-PDF, and PDF processing).
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This centralized font management significantly optimizes memory usage in multi-threaded conversions by preventing redundant font loading.
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</p>
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</div>
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<div class="rowdiv" style="border-width: 0.5px; border-style: solid; border-color: lightgray; padding: 1px 5px 7px 5px; margin-top: 8px;">
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Click the button to view the resultant PDF document being converted using Document SDK.
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Please note that a PDF viewer is required to view the resultant PDF.
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<div class="rowdiv" style="margin-top: 10px">
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<div class="celldiv">
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Select Document :
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@Html.TextBox("file", null, new { type = "file", accept = ".doc,.docx,.rtf,.dot,.dotm,.dotx,.docm,.xml,.xlsx,.xls,.xltx,.xlsm,.csv,.xlsb,.xltm,.pptx" })
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<br />
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</div>
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<div class="rowdiv" style="margin-top: 8px">
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<input class="buttonStyle" type="submit" value="Convert to PDF" name="button" style="width:150px;height:27px" />
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<br />
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<div class="text-danger">
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@ViewBag.Message
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</div>
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</div>
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</div>
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</div>
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</div>
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</div>
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}

‎Unified-font-manager/.NET/Dedicated-font-manager/Views/Home/Privacy.cshtml‎

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@{
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ViewData["Title"] = "Privacy Policy";
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}
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<h1>@ViewData["Title"]</h1>
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<p>Use this page to detail your site's privacy policy.</p>

‎Unified-font-manager/.NET/Dedicated-font-manager/Views/Shared/Error.cshtml‎

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@model ErrorViewModel
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@{
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ViewData["Title"] = "Error";
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}
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<h1 class="text-danger">Error.</h1>
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<h2 class="text-danger">An error occurred while processing your request.</h2>
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@if (Model.ShowRequestId)
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{
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<p>
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<strong>Request ID:</strong> <code>@Model.RequestId</code>
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</p>
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}
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<h3>Development Mode</h3>
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<p>
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Swapping to <strong>Development</strong> environment will display more detailed information about the error that occurred.
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</p>
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<p>
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<strong>The Development environment shouldn't be enabled for deployed applications.</strong>
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It can result in displaying sensitive information from exceptions to end users.
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For local debugging, enable the <strong>Development</strong> environment by setting the <strong>ASPNETCORE_ENVIRONMENT</strong> environment variable to <strong>Development</strong>
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and restarting the app.
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</p>

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