AnnCodecs Class

public class AnnCodecs

public ref class AnnCodecs

'Declaration
 
Public Class AnnCodecs

'Usage
 
Dim instance As AnnCodecs

This class supports loading and saving annotation objects from and to disk files and to memory stream as well as getting information on information objects saved in a disk file or a memory stream.

This class also supports saving and loading multi-page annotation files or streams.

This example saves the objects from an existing container to a disk file and loads them back.

C#
Visual Basic

Imports Leadtools
Imports Leadtools.Annotations
Imports Leadtools.Codecs
Imports Leadtools.WinForms

Public Sub AnnCodecs_AnnCodecs(ByVal fileName As String)
   ' create a new annotation container
   Dim container As AnnContainer = New AnnContainer()
   ' add a few objects into the container

   Dim rectObj As AnnRectangleObject = New AnnRectangleObject()
   rectObj.Bounds = New AnnRectangle(100, 100, 100, 100, AnnUnit.Pixel)
   rectObj.Pen = New AnnPen(Color.Blue, New AnnLength(1, AnnUnit.Pixel))
   rectObj.Brush = Nothing
   container.Objects.Add(rectObj)

   Dim lineObj As AnnLineObject = New AnnLineObject()
   lineObj.StartPoint = New AnnPoint(100, 100, AnnUnit.Pixel)
   lineObj.EndPoint = New AnnPoint(200, 200, AnnUnit.Pixel)
   lineObj.Pen = New AnnPen(Color.Red, New AnnLength(1, AnnUnit.Pixel))
   container.Objects.Add(lineObj)

   ' create a new AnnCodecs class
   Dim codecs As AnnCodecs = New AnnCodecs()

   ' save this container into a file
   ' save the objects in this container
   codecs.Save(fileName, container, AnnCodecsFormat.Serialize, 1, AnnCodecsSavePageMode.Overwrite)

   ' get information about the file
   Dim information As AnnCodecsInformation = New AnnCodecsInformation()
   codecs.GetInformation(fileName, information)
   MessageBox.Show(String.Format("Format: {0}, Number of pages: {1}", information.Format, information.Pages))

   ' save the objects again (as a second page)
   codecs.Save(fileName, container, AnnCodecsFormat.Serialize, 2, AnnCodecsSavePageMode.Insert)

   ' get information about the file
   information = New AnnCodecsInformation()
   codecs.GetInformation(fileName, information)
   MessageBox.Show(String.Format("Format: {0}, Number of pages: {1}", information.Format, information.Pages))

   ' delete the first page
   codecs.DeletePage(fileName, 1)

   ' get information about the file
   information = New AnnCodecsInformation()
   codecs.GetInformation(fileName, information)
   MessageBox.Show(String.Format("Format: {0}, Number of pages: {1}", information.Format, information.Pages))
End Sub

using Leadtools;
using Leadtools.Annotations;
using Leadtools.Codecs;
using Leadtools.WinForms;

public void AnnCodecs_AnnCodecs(string fileName)
{
   // create a new annotation container
   AnnContainer container = new AnnContainer();
   // add a few objects into the container

   AnnRectangleObject rectObj = new AnnRectangleObject();
   rectObj.Bounds = new AnnRectangle(100, 100, 100, 100, AnnUnit.Pixel);
   rectObj.Pen = new AnnPen(Color.Blue, new AnnLength(1, AnnUnit.Pixel));
   rectObj.Brush = null;
   container.Objects.Add(rectObj);

   AnnLineObject lineObj = new AnnLineObject();
   lineObj.StartPoint = new AnnPoint(100, 100, AnnUnit.Pixel);
   lineObj.EndPoint = new AnnPoint(200, 200, AnnUnit.Pixel);
   lineObj.Pen = new AnnPen(Color.Red, new AnnLength(1, AnnUnit.Pixel));
   container.Objects.Add(lineObj);

   // create a new AnnCodecs class
   AnnCodecs codecs = new AnnCodecs();

   // save this container into a file
   // save the objects in this container
   codecs.Save(fileName, container, AnnCodecsFormat.Serialize, 1, AnnCodecsSavePageMode.Overwrite);

   // get information about the file
   AnnCodecsInformation information = new AnnCodecsInformation();
   codecs.GetInformation(fileName, information);
   MessageBox.Show(String.Format("Format: {0}, Number of pages: {1}", information.Format, information.Pages));

   // save the objects again (as a second page)
   codecs.Save(fileName, container, AnnCodecsFormat.Serialize, 2, AnnCodecsSavePageMode.Insert);

   // get information about the file
   information = new AnnCodecsInformation();
   codecs.GetInformation(fileName, information);
   MessageBox.Show(String.Format("Format: {0}, Number of pages: {1}", information.Format, information.Pages));

   // delete the first page
   codecs.DeletePage(fileName, 1);

   // get information about the file
   information = new AnnCodecsInformation();
   codecs.GetInformation(fileName, information);
   MessageBox.Show(String.Format("Format: {0}, Number of pages: {1}", information.Format, information.Pages));
}

Target Platforms

Reference

AnnCodecs Members
Leadtools.Annotations Namespace