Provides support for loading and saving objects to annotation files.
public class AnnCodecs
Public Class AnnCodecs
public ref class 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.
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));
}
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
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