Change the alpha factor of an image
using Leadtools;
using Leadtools.Codecs;
using Leadtools.MedicalViewer;
public void MedicalViewerAlphaExample2()
{
MedicalViewerForm myForm = GetMedicalControl();
MedicalViewer medicalViewer = myForm.Viewer;
MedicalViewerMultiCell cell = (MedicalViewerMultiCell)(medicalViewer.Cells[0]);
MedicalViewerWindowLevel windowLevel = (MedicalViewerWindowLevel)cell.GetActionProperties(MedicalViewerActionType.WindowLevel, 0);
switch (windowLevel.LookupTableType)
{
case MedicalViewerLookupTableType.Exponential:
case MedicalViewerLookupTableType.Logarithmic:
case MedicalViewerLookupTableType.Sigmoid:
MedicalViewerAlpha alpha = new MedicalViewerAlpha();
alpha.Alpha = 100;
if (cell.IsActionAdded(MedicalViewerActionType.Alpha))
cell.SetActionProperties(MedicalViewerActionType.Alpha, alpha, 0);
alpha.Dispose();
break;
default:
break;
}
windowLevel.Dispose();
myForm.ShowDialog();
}
Imports Leadtools
Imports Leadtools.Codecs
Imports Leadtools.MedicalViewer
Public Sub MedicalViewerAlphaExample2()
Dim myForm As MedicalViewerForm = GetMedicalControl()
Dim medicalViewer As MedicalViewer = myForm.Viewer
Dim cell As MedicalViewerMultiCell = CType(medicalViewer.Cells(0), MedicalViewerMultiCell)
Dim windowLevel As MedicalViewerWindowLevel = CType(cell.GetActionProperties(MedicalViewerActionType.WindowLevel, 0), MedicalViewerWindowLevel)
Select Case windowLevel.LookupTableType
Case MedicalViewerLookupTableType.Exponential, MedicalViewerLookupTableType.Logarithmic, MedicalViewerLookupTableType.Sigmoid
Dim alpha As MedicalViewerAlpha = New MedicalViewerAlpha()
alpha.Alpha = 100
If cell.IsActionAdded(MedicalViewerActionType.Alpha) Then
cell.SetActionProperties(MedicalViewerActionType.Alpha, alpha, 0)
End If
alpha.Dispose()
Case Else
End Select
windowLevel.Dispose()
myForm.ShowDialog()
End Sub
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