263124: Added OCR for multiple language in same scanned PDF document

Author: sameerkhan001

OCR/.NET/Perform-OCR-on-PDF-with-multiple-languages/Perform-OCR-on-PDF-with-multiple-languages.sln

@@ -0,0 +1,25 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.14.36616.10 d17.14
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Perform-OCR-on-PDF-with-multiple-languages", "Perform-OCR-on-PDF-with-multiple-languages\Perform-OCR-on-PDF-with-multiple-languages.csproj", "{0DB5D151-C60A-434B-B709-DC9111D1CC8F}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{0DB5D151-C60A-434B-B709-DC9111D1CC8F}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{0DB5D151-C60A-434B-B709-DC9111D1CC8F}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{0DB5D151-C60A-434B-B709-DC9111D1CC8F}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{0DB5D151-C60A-434B-B709-DC9111D1CC8F}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {6F527749-5F41-444D-BBAE-1676D3E57CF2}
+	EndGlobalSection
+EndGlobal

OCR/.NET/Perform-OCR-on-PDF-with-multiple-languages/Perform-OCR-on-PDF-with-multiple-languages/Data/ARIALUNI.ttf

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
+    <RootNamespace>Perform_OCR_on_PDF_with_multiple_languages</RootNamespace>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Syncfusion.PDF.OCR.Net.Core" Version="*" />
+  </ItemGroup>
+
+</Project>

OCR/.NET/Perform-OCR-on-PDF-with-multiple-languages/Perform-OCR-on-PDF-with-multiple-languages/Data/Input.pdf

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+using Syncfusion.OCRProcessor;
+using Syncfusion.Pdf.Graphics;
+using Syncfusion.Pdf.Parsing;
+
+// Load the PDF document
+using (PdfLoadedDocument loadedDocument = new PdfLoadedDocument(Path.GetFullPath(@"Input.pdf")))
+{
+    // Initialize OCR processor
+    OCRProcessor processor = new OCRProcessor();
+    //Sets Unicode font to preserve the Unicode characters in a PDF document.
+    processor.UnicodeFont = new PdfTrueTypeFont(Path.GetFullPath(@"Data/ARIALUNI.ttf"), 8);
+    // Set OCR language
+    processor.Settings.Language = "eng+tha";
+    // Set the path to the Tesseract language data folder
+    processor.TessDataPath = Path.GetFullPath(@"../../Tessdata");
+    // Perform OCR
+    processor.PerformOCR(loadedDocument);
+    // Save the PDF document
+    loadedDocument.Save(Path.GetFullPath(@"Output/Output.pdf"));
+}