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SaveAnnotations(Stream) Method

Summary

Saves the annotation container(s) of a cell to a file.

Syntax

C++

public void SaveAnnotations(  
   Stream stream 
)

Public Overloads Sub SaveAnnotations( _ 
   ByVal stream As Stream _ 
)

public: 
void SaveAnnotations(  
   Stream^ stream 
)

Parameters

stream
A System.IO.Stream to save the annotation container to.

Remarks

This method will save annotations to a file. To load the annotations, use the MedicalViewerMultiCell.LoadAnnotations method.

For more information, refer to Working With Annotations.

Example

Imports Leadtools 
Imports Leadtools.Drawing 
Imports Leadtools.Codecs 
Imports Leadtools.MedicalViewer 
Imports Leadtools.ImageProcessing 
Imports Leadtools.Annotations.Core 
Imports Leadtools.Annotations.Designers 
Imports Leadtools.Annotations.Rendering 
 
Private Class MedicalViewerForm16 : Inherits Form 
    Private _medicalViewer As MedicalViewer 
    Private LoadAnnotation As Button 
    Private SaveAnnotation As Button 
    Private Sub MedicalViewerForm_SizeChanged(ByVal sender As Object, ByVal e As EventArgs) 
        _medicalViewer.Bounds = New Rectangle(0, 100, Me.ClientRectangle.Right, Me.ClientRectangle.Bottom - 100) 
    End Sub 
 
 
    Public Sub New() 
        Dim _codecs As RasterCodecs = New RasterCodecs() 
        Dim _image As RasterImage 
 
        AddHandler SizeChanged, AddressOf MedicalViewerForm_SizeChanged 
 
        ' Create the medical viewer and adjust the size and the location. 
        _medicalViewer = New MedicalViewer(1, 2) 
        _medicalViewer.Location = New Point(0, 100) 
        _medicalViewer.Size = New Size(Me.ClientRectangle.Right, Me.ClientRectangle.Bottom - 100) 
 
        ' Load an image and then add it to the control. 
        _image = _codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "xa.dcm")) 
        Dim cell As MedicalViewerMultiCell = New MedicalViewerMultiCell(_image, True, 1, 1) 
        _medicalViewer.Cells.Add(cell) 
 
        ' add some actions that will be used to change the properties of the images inside the control. 
        cell.AddAction(MedicalViewerActionType.AnnotationRectangle) 
        cell.AddAction(MedicalViewerActionType.AnnotationEllipse) 
        cell.AddAction(MedicalViewerActionType.AnnotationHilite) 
 
        ' assign the added actions to a mouse button, meaning that when the user clicks and drags the mouse button, the associated action will be activated. 
        cell.SetAction(MedicalViewerActionType.AnnotationRectangle, MedicalViewerMouseButtons.Left, MedicalViewerActionFlags.Active) 
        cell.SetAction(MedicalViewerActionType.AnnotationEllipse, MedicalViewerMouseButtons.Middle, MedicalViewerActionFlags.Active) 
        cell.SetAction(MedicalViewerActionType.AnnotationHilite, MedicalViewerMouseButtons.Right, MedicalViewerActionFlags.Active) 
 
        ' adjust some properties of the cell and add some tags. 
        _medicalViewer.Cells(0).SetTag(2, MedicalViewerTagAlignment.TopLeft, MedicalViewerTagType.UserData, "EX. ID 230-36-5448") 
        _medicalViewer.Cells(0).SetTag(4, MedicalViewerTagAlignment.TopLeft, MedicalViewerTagType.Frame) 
        _medicalViewer.Cells(0).SetTag(6, MedicalViewerTagAlignment.TopLeft, MedicalViewerTagType.Scale) 
        _medicalViewer.Cells(0).SetTag(2, MedicalViewerTagAlignment.BottomLeft, MedicalViewerTagType.WindowLevelData) 
        _medicalViewer.Cells(0).SetTag(1, MedicalViewerTagAlignment.BottomLeft, MedicalViewerTagType.FieldOfView) 
 
 
        ' Load another image and then add it to the control. 
        _image = _codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "mr.dcm")) 
        _medicalViewer.Cells.Add(New MedicalViewerMultiCell(_image, True, 2, 2)) 
 
        ' add some actions that will be used to change the properties of the images inside the control. 
        _medicalViewer.Cells(1).AddAction(MedicalViewerActionType.AnnotationRectangle) 
        _medicalViewer.Cells(1).AddAction(MedicalViewerActionType.AnnotationEllipse) 
        _medicalViewer.Cells(1).AddAction(MedicalViewerActionType.AnnotationHilite) 
 
        ' assign the added actions to a mouse button, meaning that when the user clicks and drags the mouse button, the associated action will be activated. 
        _medicalViewer.Cells(1).SetAction(MedicalViewerActionType.AnnotationRectangle, MedicalViewerMouseButtons.Left, MedicalViewerActionFlags.Active) 
        _medicalViewer.Cells(1).SetAction(MedicalViewerActionType.AnnotationEllipse, MedicalViewerMouseButtons.Middle, MedicalViewerActionFlags.Active) 
        _medicalViewer.Cells(1).SetAction(MedicalViewerActionType.AnnotationHilite, MedicalViewerMouseButtons.Right, MedicalViewerActionFlags.Active) 
 
        ' adjust some properties of the cell and add some tags. 
        _medicalViewer.Cells(1).SetTag(2, MedicalViewerTagAlignment.TopLeft, MedicalViewerTagType.UserData, "EX. ID 230-36-5448") 
        _medicalViewer.Cells(1).SetTag(4, MedicalViewerTagAlignment.TopLeft, MedicalViewerTagType.Frame) 
        _medicalViewer.Cells(1).SetTag(6, MedicalViewerTagAlignment.TopLeft, MedicalViewerTagType.Scale) 
        _medicalViewer.Cells(1).SetTag(2, MedicalViewerTagAlignment.BottomLeft, MedicalViewerTagType.WindowLevelData) 
        _medicalViewer.Cells(1).SetTag(1, MedicalViewerTagAlignment.BottomLeft, MedicalViewerTagType.FieldOfView) 
 
 
 
        LoadAnnotation = New Button() 
        LoadAnnotation.Bounds = New Rectangle(10, 10, 100, 30) 
        LoadAnnotation.Text = "Load Annotation" 
        AddHandler LoadAnnotation.Click, AddressOf LoadAnnotation_Click 
 
        SaveAnnotation = New Button() 
        SaveAnnotation.Bounds = New Rectangle(110, 10, 100, 30) 
        SaveAnnotation.Text = "Save Annotation" 
        AddHandler SaveAnnotation.Click, AddressOf SaveAnnotation_Click 
 
        Controls.AddRange(New Control() {_medicalViewer, LoadAnnotation, SaveAnnotation}) 
 
    End Sub 
 
    Public ReadOnly Property Viewer() As MedicalViewer 
        Get 
            Return _medicalViewer 
        End Get 
    End Property 
 
    Private Function GetFileStream() As FileStream 
        Dim fs As FileStream 
        If File.Exists(Path.Combine(LEAD_VARS.ImagesDir, "SavedAnnotation.ann")) Then 
            fs = New FileStream(Path.Combine(LEAD_VARS.ImagesDir, "SavedAnnotation.ann"), FileMode.Open) 
        Else 
            fs = File.Create(Path.Combine(LEAD_VARS.ImagesDir, "SavedAnnotation.ann")) 
        End If 
 
        Return fs 
    End Function 
 
    Private Sub SaveAnnotation_Click(ByVal sender As Object, ByVal e As EventArgs) 
        Dim fs As FileStream = GetFileStream() 
        Dim cell As MedicalViewerMultiCell = CType(_medicalViewer.Cells(0), MedicalViewerMultiCell) 
 
        cell.SaveAnnotations(fs, 0) 
        fs.Close() 
    End Sub 
 
    Private Sub LoadAnnotation_Click(ByVal sender As Object, ByVal e As EventArgs) 
        Dim fs As FileStream = GetFileStream() 
        Dim cell As MedicalViewerMultiCell = CType(_medicalViewer.Cells(0), MedicalViewerMultiCell) 
 
        cell.LoadAnnotations(fs, 0) 
        fs.Close() 
    End Sub 
End Class 
 
 
Private Function GetMedicalControl16() As MedicalViewerForm16 
    Return New MedicalViewerForm16() 
End Function 
 
' This example copied the annotation container of the sub-cell when user right clicks on it, and paste the annotation container on the sub-cell that the user click on it using the left mouse button. 
<TestMethod()> _ 
Public Sub MedicalViewerSaveAnnotationStreamExample() 
    Dim myForm As MedicalViewerForm16 = GetMedicalControl16() 
    Dim medicalViewer As MedicalViewer = myForm.Viewer 
 
    myForm.ShowDialog() 
End Sub 
 
 
Public NotInheritable Class LEAD_VARS 
Public Const ImagesDir As String = "C:\Users\Public\Documents\LEADTOOLS Images" 
End Class

using Leadtools; 
using Leadtools.Drawing; 
using Leadtools.Codecs; 
using Leadtools.MedicalViewer; 
using Leadtools.ImageProcessing; 
using Leadtools.Annotations.Core; 
using Leadtools.Annotations.Designers; 
using Leadtools.Annotations.Rendering; 
 
class MedicalViewerForm16 : Form 
{ 
    private MedicalViewer _medicalViewer; 
    Button LoadAnnotation; 
    Button SaveAnnotation; 
    void MedicalViewerForm_SizeChanged(object sender, EventArgs e) 
    { 
        _medicalViewer.Bounds = new Rectangle(0, 100, this.ClientRectangle.Right, this.ClientRectangle.Bottom - 100); 
    } 
 
 
    public MedicalViewerForm16() 
    { 
        RasterCodecs _codecs = new RasterCodecs(); 
        RasterImage _image; 
 
        this.SizeChanged += new EventHandler(MedicalViewerForm_SizeChanged); 
 
        // Create the medical viewer and adjust the size and the location. 
        _medicalViewer = new MedicalViewer(1, 2); 
        _medicalViewer.Location = new Point(0, 100); 
        _medicalViewer.Size = new Size(this.ClientRectangle.Right, this.ClientRectangle.Bottom - 100); 
 
        // Load an image and then add it to the control. 
        _image = _codecs.Load(Path.Combine(LEAD_VARS.ImagesDir,"xa.dcm")); 
        MedicalViewerMultiCell cell = new MedicalViewerMultiCell(_image, true, 1, 1); 
        _medicalViewer.Cells.Add(cell); 
 
        // add some actions that will be used to change the properties of the images inside the control. 
        cell.AddAction(MedicalViewerActionType.AnnotationRectangle); 
        cell.AddAction(MedicalViewerActionType.AnnotationEllipse); 
        cell.AddAction(MedicalViewerActionType.AnnotationHilite); 
 
        // assign the added actions to a mouse button, meaning that when the user clicks and drags the mouse button, the associated action will be activated. 
        cell.SetAction(MedicalViewerActionType.AnnotationRectangle, MedicalViewerMouseButtons.Left, MedicalViewerActionFlags.Active); 
        cell.SetAction(MedicalViewerActionType.AnnotationEllipse, MedicalViewerMouseButtons.Middle, MedicalViewerActionFlags.Active); 
        cell.SetAction(MedicalViewerActionType.AnnotationHilite, MedicalViewerMouseButtons.Right, MedicalViewerActionFlags.Active); 
 
        // adjust some properties of the cell and add some tags. 
        _medicalViewer.Cells[0].SetTag(2, MedicalViewerTagAlignment.TopLeft, MedicalViewerTagType.UserData, "EX. ID 230-36-5448"); 
        _medicalViewer.Cells[0].SetTag(4, MedicalViewerTagAlignment.TopLeft, MedicalViewerTagType.Frame); 
        _medicalViewer.Cells[0].SetTag(6, MedicalViewerTagAlignment.TopLeft, MedicalViewerTagType.Scale); 
        _medicalViewer.Cells[0].SetTag(2, MedicalViewerTagAlignment.BottomLeft, MedicalViewerTagType.WindowLevelData); 
        _medicalViewer.Cells[0].SetTag(1, MedicalViewerTagAlignment.BottomLeft, MedicalViewerTagType.FieldOfView); 
 
 
        // Load another image and then add it to the control. 
        _image = _codecs.Load(Path.Combine(LEAD_VARS.ImagesDir,"mr.dcm")); 
        _medicalViewer.Cells.Add(new MedicalViewerMultiCell(_image, true, 2, 2)); 
 
        // add some actions that will be used to change the properties of the images inside the control. 
        _medicalViewer.Cells[1].AddAction(MedicalViewerActionType.AnnotationRectangle); 
        _medicalViewer.Cells[1].AddAction(MedicalViewerActionType.AnnotationEllipse); 
        _medicalViewer.Cells[1].AddAction(MedicalViewerActionType.AnnotationHilite); 
 
        // assign the added actions to a mouse button, meaning that when the user clicks and drags the mouse button, the associated action will be activated. 
        _medicalViewer.Cells[1].SetAction(MedicalViewerActionType.AnnotationRectangle, MedicalViewerMouseButtons.Left, MedicalViewerActionFlags.Active); 
        _medicalViewer.Cells[1].SetAction(MedicalViewerActionType.AnnotationEllipse, MedicalViewerMouseButtons.Middle, MedicalViewerActionFlags.Active); 
        _medicalViewer.Cells[1].SetAction(MedicalViewerActionType.AnnotationHilite, MedicalViewerMouseButtons.Right, MedicalViewerActionFlags.Active); 
 
        // adjust some properties of the cell and add some tags. 
        _medicalViewer.Cells[1].SetTag(2, MedicalViewerTagAlignment.TopLeft, MedicalViewerTagType.UserData, "EX. ID 230-36-5448"); 
        _medicalViewer.Cells[1].SetTag(4, MedicalViewerTagAlignment.TopLeft, MedicalViewerTagType.Frame); 
        _medicalViewer.Cells[1].SetTag(6, MedicalViewerTagAlignment.TopLeft, MedicalViewerTagType.Scale); 
        _medicalViewer.Cells[1].SetTag(2, MedicalViewerTagAlignment.BottomLeft, MedicalViewerTagType.WindowLevelData); 
        _medicalViewer.Cells[1].SetTag(1, MedicalViewerTagAlignment.BottomLeft, MedicalViewerTagType.FieldOfView); 
 
 
 
        LoadAnnotation = new Button(); 
        LoadAnnotation.Bounds = new Rectangle(10, 10, 100, 30); 
        LoadAnnotation.Text = "Load Annotation"; 
        LoadAnnotation.Click += new EventHandler(LoadAnnotation_Click); 
 
        SaveAnnotation = new Button(); 
        SaveAnnotation.Bounds = new Rectangle(110, 10, 100, 30); 
        SaveAnnotation.Text = "Save Annotation"; 
        SaveAnnotation.Click += new EventHandler(SaveAnnotation_Click); 
 
        Controls.AddRange(new Control[] { _medicalViewer, LoadAnnotation, SaveAnnotation }); 
 
    } 
 
    public MedicalViewer Viewer 
    { 
        get { return _medicalViewer; } 
    } 
 
    FileStream GetFileStream() 
    { 
        FileStream fs; 
        if (File.Exists(Path.Combine(LEAD_VARS.ImagesDir,"SavedAnnotation.ann"))) 
            fs = new FileStream(Path.Combine(LEAD_VARS.ImagesDir,"SavedAnnotation.ann"), FileMode.Open); 
        else 
            fs = File.Create(Path.Combine(LEAD_VARS.ImagesDir,"SavedAnnotation.ann")); 
 
        return fs; 
    } 
 
    void SaveAnnotation_Click(object sender, EventArgs e) 
    { 
        FileStream fs = GetFileStream(); 
        MedicalViewerMultiCell cell = (MedicalViewerMultiCell)(_medicalViewer.Cells[0]); 
 
        cell.SaveAnnotations(fs, 0); 
        fs.Close(); 
    } 
 
    void LoadAnnotation_Click(object sender, EventArgs e) 
    { 
        FileStream fs = GetFileStream(); 
        MedicalViewerMultiCell cell = (MedicalViewerMultiCell)(_medicalViewer.Cells[0]); 
 
        cell.LoadAnnotations(fs, 0); 
        fs.Close(); 
    } 
} 
 
 
MedicalViewerForm16 GetMedicalControl16() 
{ 
    return new MedicalViewerForm16(); 
} 
 
// This example copied the annotation container of the sub-cell when user right clicks on it, and paste the annotation container on the sub-cell that the user click on it using the left mouse button. 
public void MedicalViewerSaveAnnotationStreamExample() 
{ 
    MedicalViewerForm16 myForm = GetMedicalControl16(); 
    MedicalViewer medicalViewer = myForm.Viewer; 
 
    myForm.ShowDialog(); 
} 
 
 
static class LEAD_VARS 
{ 
public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images"; 
}