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lingeshwaran-sf4984lingeshwaran-sf4984
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994481: Added Sample for add custom stamp annotation without Blurriness
1 parent 4b18dec commit 0159514

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‎Annotations/Stamp_blur_Solution/App.xaml‎

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<Application x:Class="Stamp_blur_Solution.App"
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xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
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xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
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xmlns:local="clr-namespace:Stamp_blur_Solution"
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StartupUri="MainWindow.xaml">
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<Application.Resources>
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</Application.Resources>
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</Application>

‎Annotations/Stamp_blur_Solution/App.xaml.cs‎

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using System.Configuration;
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using System.Data;
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using System.Windows;
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namespace Stamp_blur_Solution
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{
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/// <summary>
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/// Interaction logic for App.xaml
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/// </summary>
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public partial class App : Application
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{
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}
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}

‎Annotations/Stamp_blur_Solution/AssemblyInfo.cs‎

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using System.Windows;
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[assembly: ThemeInfo(
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ResourceDictionaryLocation.None, //where theme specific resource dictionaries are located
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//(used if a resource is not found in the page,
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// or application resource dictionaries)
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ResourceDictionaryLocation.SourceAssembly //where the generic resource dictionary is located
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//(used if a resource is not found in the page,
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// app, or any theme specific resource dictionaries)
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)]

‎Annotations/Stamp_blur_Solution/Data/Input.pdf‎

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‎Annotations/Stamp_blur_Solution/MainWindow.xaml‎

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<Window x:Class="Stamp_blur_Solution.MainWindow"
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xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
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xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
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xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
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xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
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xmlns:local="clr-namespace:Stamp_blur_Solution" xmlns:PdfViewer="clr-namespace:Syncfusion.Windows.PdfViewer;assembly=Syncfusion.PdfViewer.WPF"
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mc:Ignorable="d"
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Title="MainWindow" Height="450" Width="800">
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<Grid>
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<Grid.RowDefinitions>
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<RowDefinition Height="Auto"/>
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<RowDefinition Height="*"/>
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</Grid.RowDefinitions>
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<Button Content="Button" HorizontalAlignment="Left" Margin="10" Grid.Row="0" VerticalAlignment="Top" Click="Button_Click"/>
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<PdfViewer:PdfViewerControl x:Name="PDFViewer" Grid.Row ="1"/>
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</Grid>
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</Window>

‎Annotations/Stamp_blur_Solution/MainWindow.xaml.cs‎

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using Syncfusion.Pdf.Graphics;
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using Syncfusion.Windows.PdfViewer;
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using System.Drawing;
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using System.IO;
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using System.Windows;
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using System.Windows.Controls;
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using System.Windows.Media.Imaging;
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namespace Stamp_blur_Solution
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{
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/// <summary>
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/// Interaction logic for MainWindow.xaml
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/// </summary>
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public partial class MainWindow : Window
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{
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public MainWindow()
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{
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InitializeComponent();
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PDFViewer.Load("../../../Data/Input.pdf");
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}
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private void Button_Click(object sender, RoutedEventArgs e)
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{
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var unitConvertor = new PdfUnitConvertor();
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// Stamp properties
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int SX = (int)unitConvertor.ConvertToPixels(125, PdfGraphicsUnit.Point);
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int SY = (int)unitConvertor.ConvertToPixels(108, PdfGraphicsUnit.Point);
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string StampNo = "01";
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int StampSize = 100;
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int StampWidth = (int)unitConvertor.ConvertToPixels(20, PdfGraphicsUnit.Point);
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int StampHeight = (int)unitConvertor.ConvertToPixels(20, PdfGraphicsUnit.Point);
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// 1. Create a high-resolution Bitmap for the custom stamp
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using (var customStampBitmap = new Bitmap(StampSize, StampSize))
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{
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using (Graphics g = Graphics.FromImage(customStampBitmap))
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{
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g.Clear(Color.Transparent);
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g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
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g.TextRenderingHint = System.Drawing.Text.TextRenderingHint.AntiAliasGridFit;
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// Draw ellipse
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using (var pen = new Pen(Color.Red, 3))
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{
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g.DrawEllipse(pen, 3, 3, StampSize - 6, StampSize - 6);
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}
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// Draw stamp number text (centered)
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using (var font = new Font("Helvetica", 28))
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{
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SizeF textSize = g.MeasureString(StampNo, font);
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var textPoint = new System.Drawing.PointF(
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(StampSize - textSize.Width) / 2f,
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(StampSize - textSize.Height) / 2f);
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g.DrawString(StampNo, font, Brushes.Red, textPoint);
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}
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}
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// 2. Convert Bitmap to BitmapImage for WPF PdfViewer
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BitmapImage bitmapImage;
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using (var ms = new MemoryStream())
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{
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customStampBitmap.Save(ms, System.Drawing.Imaging.ImageFormat.Png);
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ms.Position = 0;
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bitmapImage = new BitmapImage();
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bitmapImage.BeginInit();
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bitmapImage.StreamSource = ms;
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bitmapImage.CacheOption = BitmapCacheOption.OnLoad;
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bitmapImage.EndInit();
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}
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// 3. Create WPF Image control
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var stampImage = new System.Windows.Controls.Image
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{
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Source = bitmapImage
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};
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// 4. Create PdfStampAnnotation
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var stampAnnotation = new PdfStampAnnotation(stampImage);
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// 5. Define position and size for the stamp in PDF
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var position = new System.Windows.Point(SX, SY);
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var stampSizeObj = new System.Drawing.Size(StampWidth, StampHeight);
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// 6. Add the custom image stamp to the PDF viewer
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// NOTE: Ensure 'pdfViewer' is your PdfViewerControl instance defined in XAML.
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PDFViewer.AddStamp(stampAnnotation, 1, position, stampSizeObj);
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}
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}
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}
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}

‎Annotations/Stamp_blur_Solution/Stamp_blur_Solution.csproj‎

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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<OutputType>WinExe</OutputType>
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</PropertyGroup>
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<ItemGroup>
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<PackageReference Include="Syncfusion.PdfViewer.WPF" Version="*" />
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<PackageReference Include="System.Drawing.Common" Version="10.0.1" />
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</ItemGroup>
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<Import Project="targets\MultiTargeting.targets" />
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</Project>

‎Annotations/Stamp_blur_Solution/Stamp_blur_Solution.slnx‎

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<Solution>
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<Project Path="Stamp_blur_Solution.csproj" />
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</Solution>

‎Annotations/Stamp_blur_Solution/targets/MultiTargeting.targets‎

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<Project>
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<PropertyGroup>
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<TargetFrameworks>net462;net8.0-windows;net9.0-windows;net10.0-windows</TargetFrameworks>
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<UseWPF>true</UseWPF>
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<GenerateAssemblyInfo>False</GenerateAssemblyInfo>
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<GenerateDocumentationFile>True</GenerateDocumentationFile>
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<EnableDefaultItems>True</EnableDefaultItems>
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<EnableDefaultEmbeddedResourceItems>True</EnableDefaultEmbeddedResourceItems>
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</PropertyGroup>
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</Project>

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