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sameerkhan001sameerkhan001
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980802: Updated GitHub sample code in PDF Example branch.
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Lines changed: 134 additions & 27 deletions

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‎Annotation/Multi-line-text-redaction-using-quad-points/.NET/Multi-line-text-redaction-using-quad-points.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 = 17.14.36408.4 d17.14
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MinimumVisualStudioVersion = 10.0.40219.1
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Multi-line-text-redaction-using-quad-points", "Multi-line-text-redaction-using-quad-points\Multi-line-text-redaction-using-quad-points.csproj", "{4ACF1F8B-A43B-4148-9452-0587200478F8}"
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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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{4ACF1F8B-A43B-4148-9452-0587200478F8}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{4ACF1F8B-A43B-4148-9452-0587200478F8}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{4ACF1F8B-A43B-4148-9452-0587200478F8}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{4ACF1F8B-A43B-4148-9452-0587200478F8}.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 = {735E1E3B-6CCF-41EC-9ABA-187BF9AA9851}
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EndGlobalSection
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EndGlobal

‎Annotation/Multi-line-text-redaction-using-quad-points/.NET/Multi-line-text-redaction-using-quad-points/Multi-line-text-redaction-using-quad-points.csproj‎

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

‎Annotation/Multi-line-text-redaction-using-quad-points/.NET/Multi-line-text-redaction-using-quad-points/Output/.gitkeep‎

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‎Annotation/Multi-line-text-redaction-using-quad-points/.NET/Multi-line-text-redaction-using-quad-points/Program.cs‎

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using Syncfusion.Drawing;
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using Syncfusion.Pdf;
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using Syncfusion.Pdf.Graphics;
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using Syncfusion.Pdf.Interactive;
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//Create a new PDF document.
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PdfDocument document = new PdfDocument();
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//Create a new page.
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PdfPage page = document.Pages.Add();
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//Creates a new Redaction annotation.
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PdfRedactionAnnotation annot = new PdfRedactionAnnotation();
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//set the bounds collection of redaction annotation.
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List<RectangleF> bounds = new List<RectangleF>();
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bounds.Add(new RectangleF(100, 100, 50, 20));
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bounds.Add(new RectangleF(200, 150, 60, 25));
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annot.BoundsCollection = bounds;
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//set the innercolor
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annot.InnerColor = Color.Black;
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//set the bordercolor
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annot.BorderColor = Color.Green;
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//set the textcolor
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annot.TextColor = Color.Yellow;
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//set the font
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annot.Font = new PdfStandardFont(PdfFontFamily.Helvetica, 10);
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//set overlaytext
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annot.OverlayText = "Redact";
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//set text alignment
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annot.TextAlignment = PdfTextAlignment.Right;
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//Assign the RepeatText
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annot.RepeatText = true;
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//Add the annotation to the page.
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page.Annotations.Add(annot);
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// Save the modified document using a new FileStream
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using (FileStream outputStream = new FileStream(Path.GetFullPath(@"Output/Output.pdf"), FileMode.Create, FileAccess.Write))
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{
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// Save changes to a new PDF file
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document.Save(outputStream);
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}
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// Close the document and release resources
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document.Close(true);

‎Digital Signature/Externally-sign-the-PDF-document-using-IPdfExternalSigner/.NET/Externally-sign-the-PDF-document/Program.cs‎

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using System.Security.Cryptography.X509Certificates;
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using System.Security.Cryptography;
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namespace Externally_sign_the_PDF_document {
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internal class Program {
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static void Main(string[] args) {
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//Get the stream from the document
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namespace Externally_sign_the_PDF_document
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{
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internal class Program
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{
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static void Main(string[] args)
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{
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// Get the stream from the document
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FileStream documentStream = new FileStream(Path.GetFullPath(@"Data/Barcode.pdf"), FileMode.Open, FileAccess.Read);
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//Load the existing PDF document
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// Load the existing PDF document
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PdfLoadedDocument loadedDocument = new PdfLoadedDocument(documentStream);
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//Creates a digital signature.
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// Create a digital signature
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PdfSignature signature = new PdfSignature(loadedDocument, loadedDocument.Pages[0], null, "Signature");
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//Sets the signature information.
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// Set the signature information
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signature.Bounds = new RectangleF(new PointF(0, 0), new SizeF(100, 30));
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signature.Settings.CryptographicStandard = CryptographicStandard.CADES;
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signature.Settings.DigestAlgorithm = DigestAlgorithm.SHA1;
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//Create an external signer.
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// Create an external signer
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IPdfExternalSigner externalSignature = new ExternalSigner("SHA1");
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//Add public certificates.
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// Add public certificates
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List<X509Certificate2> certificates = new List<X509Certificate2>();
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certificates.Add(new X509Certificate2(new X509Certificate2(Path.GetFullPath(@"Data/PDF.pfx"), "password123")));
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certificates.Add(new X509Certificate2(Path.GetFullPath(@"Data/PDF.pfx"), "password123"));
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signature.AddExternalSigner(externalSignature, certificates, null);
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//Create file stream.
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using (FileStream outputFileStream = new FileStream(Path.GetFullPath(@"Output/Output.pdf"), FileMode.Create, FileAccess.ReadWrite)) {
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//Save the PDF document to file stream.
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// Create file stream
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using (FileStream outputFileStream = new FileStream(Path.GetFullPath(@"Output/Output.pdf"), FileMode.Create, FileAccess.ReadWrite))
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{
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// Save the PDF document to file stream
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loadedDocument.Save(outputFileStream);
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}
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//Close the document.
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// Close the document
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loadedDocument.Close(true);
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}
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//Create the external signer class and sign the document hash.
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class ExternalSigner : IPdfExternalSigner {
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// Create the external signer class and sign the document hash
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class ExternalSigner : IPdfExternalSigner
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{
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private string _hashAlgorithm;
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public string HashAlgorithm {
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public string HashAlgorithm
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{
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get { return _hashAlgorithm; }
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}
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public ExternalSigner(string hashAlgorithm) {
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public ExternalSigner(string hashAlgorithm)
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{
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_hashAlgorithm = hashAlgorithm;
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}
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public byte[] Sign(byte[] message, out byte[] timeStampResponse) {
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public byte[] Sign(byte[] message, out byte[] timeStampResponse)
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{
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timeStampResponse = null;
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X509Certificate2 digitalID = new X509Certificate2(new X509Certificate2(Path.GetFullPath(@"Data/PDF.pfx"), "password123"));
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if (digitalID.PrivateKey is System.Security.Cryptography.RSACryptoServiceProvider) {
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System.Security.Cryptography.RSACryptoServiceProvider rsa = (System.Security.Cryptography.RSACryptoServiceProvider)digitalID.PrivateKey;
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return rsa.SignData(message, HashAlgorithm);
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FileStream certificateStream = new FileStream("PDF.pfx", FileMode.Open, FileAccess.Read);
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X509Certificate2 digitalID = new X509Certificate2(certificateStream, "password123");
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if (digitalID.PrivateKey is System.Security.Cryptography.RSACryptoServiceProvider rsaProvider)
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{
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return rsaProvider.SignData(message, HashAlgorithm);
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}
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else if (digitalID.PrivateKey is RSACng) {
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RSACng rsa = (RSACng)digitalID.PrivateKey;
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return rsa.SignData(message, System.Security.Cryptography.HashAlgorithmName.SHA1, RSASignaturePadding.Pkcs1);
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else if (digitalID.PrivateKey is RSACng rsaCng)
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{
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return rsaCng.SignData(message, System.Security.Cryptography.HashAlgorithmName.SHA1, RSASignaturePadding.Pkcs1);
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}
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else if (digitalID.PrivateKey is System.Security.Cryptography.RSAOpenSsl rsaOpenSsl)
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{
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return rsaOpenSsl.SignData(message, System.Security.Cryptography.HashAlgorithmName.SHA1, RSASignaturePadding.Pkcs1);
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}
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return null;
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}
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}
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}
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}
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}

‎Forms/Disable-Auto-Formatting-in-FormFields/.NET/Disable-Auto-Formatting-in-FormFields/Output/.gitkeep‎

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