ByteScout Watermarking SDK – ASP.NET – Add Watermark Image From Stream

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ByteScout Watermarking SDK – ASP.NET – Add Watermark Image From Stream

Default.aspx.cs

using System;
using System.Drawing;
using System.IO;
using System.Web.UI;
using Bytescout.Watermarking;
using Bytescout.Watermarking.Presets;

namespace HelloWorld
{
	public partial class _Default : Page
	{
		protected void Page_Load(object sender, EventArgs e)
		{
			// Create Watermarker instance
			Watermarker waterMarker = new Watermarker();

			// Initialize library
			waterMarker.InitLibrary("demo", "demo");

			// Set input file name
			string inputFilePath = MapPath("my_sample_image.jpg");

			// Create sample input stream
			Stream inputStream = new FileStream(inputFilePath, FileMode.Open);
			// Create image from stream
			Image image = new Bitmap(inputStream);

			// Add image to apply watermarks to
			waterMarker.AddInputFile(image);

			// Create watermark
			TextFitsPage preset = new TextFitsPage();
			preset.Text = "Bytescout Watermarking";
			preset.TextColor = Color.Aqua;
			preset.Transparency = 25;

			// Add watermark to Watermarker
			waterMarker.AddWatermark(preset);

			// Clear http output
			Response.Clear();
			// Set the content type to JPEG
			Response.ContentType = "image/jpeg";
			// Add content type header
			Response.AddHeader("Content-Type", "image/jpeg");
			// Set the content disposition
			Response.AddHeader("Content-Disposition", "inline;filename=my_sample_image.jpg");

			// Set Response.OutputStream as result image destination
			waterMarker.OutputOptions.OutputStream = Response.OutputStream;

			// Execute watermarking
			waterMarker.Execute(0);

			// Cleanup
			image.Dispose();
			inputStream.Dispose();

			Response.End();
		}
	}
}

Web.config

<?xml version="1.0"?>

<!--
  For more information on how to configure your ASP.NET application, please visit
  http://go.microsoft.com/fwlink/?LinkId=169433
  -->

<configuration>
  <connectionStrings>
    <add name="ApplicationServices"
         connectionString="data source=.\SQLEXPRESS;Integrated Security=SSPI;AttachDBFilename=|DataDirectory|\aspnetdb.mdf;User Instance=true"
         providerName="System.Data.SqlClient" />
  </connectionStrings>

  <system.web>
    <compilation debug="true" targetFramework="4.0" />

    <authentication mode="Forms">
      <forms loginUrl="~/Account/Login.aspx" timeout="2880" />
    </authentication>

    <membership>
      <providers>
        <clear/>
        <add name="AspNetSqlMembershipProvider" type="System.Web.Security.SqlMembershipProvider" connectionStringName="ApplicationServices"
             enablePasswordRetrieval="false" enablePasswordReset="true" requiresQuestionAndAnswer="false" requiresUniqueEmail="false"
             maxInvalidPasswordAttempts="5" minRequiredPasswordLength="6" minRequiredNonalphanumericCharacters="0" passwordAttemptWindow="10"
             applicationName="/" />
      </providers>
    </membership>

    <profile>
      <providers>
        <clear/>
        <add name="AspNetSqlProfileProvider" type="System.Web.Profile.SqlProfileProvider" connectionStringName="ApplicationServices" applicationName="/"/>
      </providers>
    </profile>

    <roleManager enabled="false">
      <providers>
        <clear/>
        <add name="AspNetSqlRoleProvider" type="System.Web.Security.SqlRoleProvider" connectionStringName="ApplicationServices" applicationName="/" />
        <add name="AspNetWindowsTokenRoleProvider" type="System.Web.Security.WindowsTokenRoleProvider" applicationName="/" />
      </providers>
    </roleManager>

  </system.web>

  <system.webServer>
     <modules runAllManagedModulesForAllRequests="true"/>
  </system.webServer>
</configuration>


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