LoadRegion(String,Int32,Int32) Method

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 MedicalViewerForm7 : Inherits Form
    Private _medicalViewer As MedicalViewer
    Private Sub MedicalViewerForm_SizeChanged(ByVal sender As Object, ByVal e As EventArgs)
        _medicalViewer.Size = New Size(Me.ClientRectangle.Right, Me.ClientRectangle.Bottom)
    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, 0)
        _medicalViewer.Size = New Size(Me.ClientRectangle.Right, Me.ClientRectangle.Bottom)

        ' 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.WindowLevel)
        cell.AddAction(MedicalViewerActionType.Alpha)
        cell.AddAction(MedicalViewerActionType.Offset)

        ' 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.WindowLevel, MedicalViewerMouseButtons.Left, MedicalViewerActionFlags.Active)
        cell.SetAction(MedicalViewerActionType.Alpha, MedicalViewerMouseButtons.Middle, MedicalViewerActionFlags.Active)
        cell.SetAction(MedicalViewerActionType.Offset, 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.WindowLevel)
        _medicalViewer.Cells(1).AddAction(MedicalViewerActionType.Alpha)
        _medicalViewer.Cells(1).AddAction(MedicalViewerActionType.Offset)

        ' 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.WindowLevel, MedicalViewerMouseButtons.Left, MedicalViewerActionFlags.Active)
        _medicalViewer.Cells(1).SetAction(MedicalViewerActionType.Alpha, MedicalViewerMouseButtons.Middle, MedicalViewerActionFlags.Active)
        _medicalViewer.Cells(1).SetAction(MedicalViewerActionType.Offset, 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)


        Controls.Add(_medicalViewer)
        _medicalViewer.Dock = DockStyle.Fill
    End Sub
    Public ReadOnly Property Viewer() As MedicalViewer
        Get
            Return _medicalViewer
        End Get
    End Property
End Class
Private Function GetMedicalControl7() As MedicalViewerForm7
    Return New MedicalViewerForm7()
End Function

' This example will create a bitmap region on the first frame of the first image and save it.
<TestMethod()> _
Public Sub MedicalViewerSaveRegionExample()
    Dim myForm As MedicalViewerForm7 = GetMedicalControl7()
    Dim medicalViewer As MedicalViewer = myForm.Viewer
    Dim cell As MedicalViewerMultiCell = CType(medicalViewer.Cells(0), MedicalViewerMultiCell)

    Dim width As Integer = cell.Image.Width
    Dim height As Integer = cell.Image.Height
    Dim centerX As Integer = (width \ 2)
    Dim centerY As Integer = (height \ 2)

    Dim region As Region = New Region(New Rectangle(centerX - width \ 4, centerY - height \ 4, centerX + width \ 4, centerY + height \ 4))

    RasterRegionConverter.AddGdiPlusDataToRegion(cell.Image, Nothing, region.GetRegionData(), RasterRegionCombineMode.Set)
    cell.SaveRegion(Path.Combine(LEAD_VARS.ImagesDir, "Test.rgn"))

    myForm.ShowDialog()
End Sub


Public NotInheritable Class LEAD_VARS
Public Const ImagesDir As String = "C:\Users\Public\Documents\LEADTOOLS Images"
End Class