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Components Property

Summary
Gets or sets the image components.

Syntax
C#
C++/CLI
Python
public Range[] Components { get; set; } 
public: 
property array<Range^>^ Components { 
   array<Range^>^ get(); 
   void set (    array<Range^>^ ); 
} 
Components # get and set (ViewWindowFields) 

Property Value

This property is used to identify the image components that are to be included in the requested view window.

Remarks

If this value is not present, the request image is returned with all available components.

The value of this field represents the indicies of the requested image components starting from 0.

A client can specify a single or multiple components. Each Range value contains a set of components to be retrieved for the requested image.

Example
C#
using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.Jpip; 
using Leadtools.Jpip.Caching; 
using Leadtools.Jpip.HttpServer; 
using Leadtools.Jpip.RequestDecoder; 
using Leadtools.Jpip.RequestEncoder; 
using Leadtools.Jpip.Client.WinForms; 
using Leadtools.Jpip.Client.InteractiveDecoder; 
using Leadtools.Jpip.Server; 
using Leadtools.Jpip.Logging; 
 
public void SendClientRequest() 
{ 
   Leadtools.Examples.Support.SetLicense(); 
   RequestFields fields = new RequestFields(); 
   ModelItem cacheModleItem; 
   ExplicitBinDescriptor binDescriptor; 
   ModelElement cacheModleElement; 
 
   fields.RequestTargetFields = new TargetFields("0", "image1.jp2", null); 
   fields.RequestChannelFields.NewChannel = new string[] { "http" }; 
   fields.RequestDataLimitFields.DataLength = 16384; 
   cacheModleItem = new ModelItem(); 
   binDescriptor = new ExplicitBinDescriptor(ExplicitBin.MetaBin, 0, null); //indicate that metadata bin 0 is locally cached and need not be sent. 
   cacheModleElement = new ModelElement(false, binDescriptor); 
   cacheModleItem.BinDescriptors.Add(cacheModleElement); 
   cacheModleItem.CodeStreamRange.Add(new Range(0, 0)); 
   fields.RequestCacheManagementFields.ModelItems.Add(cacheModleItem); 
   ImageReturnType imageType = new ImageReturnType(ImageTypes.JppStream, false); 
   fields.RequestServerControlFields.ImageReturnTypes = new ImageReturnType[] { imageType }; 
   fields.RequestViewWindowFields.FrameSize = new LeadSize(500, 300); 
   fields.RequestViewWindowFields.RegionOffset = new LeadPoint(0, 100); 
   fields.RequestViewWindowFields.FrameSizeRoundingDirection = RoundingDirection.Closest; 
   SampleRange codeStreamRange = new SampleRange(); 
   codeStreamRange.Range = new Range(0, 0); 
   fields.RequestViewWindowFields.CodeStream.Add(codeStreamRange); 
   HttpRequestEncoder encoder = new HttpRequestEncoder(IPAddress.Parse("127.0.0.1"), 108); 
   HttpWebRequest request = encoder.Encode(fields, "jpip", null); 
   Console.WriteLine(request.Address.ToString()); 
   HttpWebResponse response = (HttpWebResponse)request.GetResponse(); 
   Console.WriteLine("Server response received."); 
   Console.WriteLine(response.Headers.ToString()); 
} 
 
public Socket GetClientSocket() 
{ 
   Socket listenSocket = new Socket(AddressFamily.InterNetwork, 
                                     SocketType.Stream, 
                                     ProtocolType.Tcp); 
   IPAddress hostIP = IPAddress.Parse("127.0.0.1"); 
   int port = 107; 
   IPEndPoint ep = new IPEndPoint(hostIP, port); 
   listenSocket.Bind(ep); 
   // start listening 
   listenSocket.Listen(10); 
   //a client should send a request to the listening address 
   Socket client = listenSocket.Accept(); 
   listenSocket.Close(); 
   return client; 
} 
Requirements

Target Platforms

Help Version 23.0.2024.2.29
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Leadtools.Jpip Assembly

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© 1991-2023 LEAD Technologies, Inc. All Rights Reserved.