Leadtools.ImageProcessing.Core Namespace : WindowLevelExtCommand Class |
public class WindowLevelExtCommand : Leadtools.ImageProcessing.RasterCommand, Leadtools.ImageProcessing.IRasterCommand
'Declaration Public Class WindowLevelExtCommand Inherits Leadtools.ImageProcessing.RasterCommand Implements Leadtools.ImageProcessing.IRasterCommand
'Usage Dim instance As WindowLevelExtCommand
public sealed class WindowLevelExtCommand : Leadtools.ImageProcessing.IRasterCommand
function Leadtools.ImageProcessing.Core.WindowLevelExtCommand()
public ref class WindowLevelExtCommand : public Leadtools.ImageProcessing.RasterCommand, Leadtools.ImageProcessing.IRasterCommand
Public Sub WindowLevelExtCommandExample() Dim codecs As New RasterCodecs() codecs.ThrowExceptionsOnInvalidImages = True Dim leadImage As RasterImage = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "Master.jpg")) ' Prepare the command 'Change the image to 16-bit grayscale Dim graycommand As GrayscaleCommand = New GrayscaleCommand(16) Dim command As WindowLevelExtCommand = New WindowLevelExtCommand graycommand.Run(leadImage) Dim minValue As Integer = leadImage.MinValue Dim maxValue As Integer = leadImage.MaxValue Dim minBit As Integer = leadImage.LowBit Dim maxBit As Integer = leadImage.HighBit Dim Size As Integer = (1 << (maxBit - minBit + 1)) Dim LookupTable() As RasterColor16 ReDim LookupTable(Size - 1) ' fill the first half of the LookupTable with RED. Dim x As Integer For x = 0 To Size \ 2 - 1 LookupTable(x) = New RasterColor16(RasterColor16.MaximumComponent, 0, 0) Next ' fill the rest with gray values. For x = Size \ 2 To Size - 1 Dim y As Integer = Convert.ToInt32((x - minValue) * RasterColor16.MaximumComponent / (maxValue - minValue)) LookupTable(x) = New RasterColor16(y, y, y) Next command.HighBit = maxBit command.LowBit = minBit command.LookupTable = LookupTable command.Order = RasterByteOrder.Bgr command.Run(leadImage) End Sub Public NotInheritable Class LEAD_VARS Public Const ImagesDir As String = "C:\Users\Public\Documents\LEADTOOLS Images" End Class
public void WindowLevelExtCommandExample() { // Load an image RasterCodecs codecs = new RasterCodecs(); codecs.ThrowExceptionsOnInvalidImages = true; RasterImage image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "Image2.dcm")); // Prepare the command int x; int y; int Size; RasterColor16 [] LookupTable; MinMaxBitsCommand MinMaxBits = new MinMaxBitsCommand(); MinMaxValuesCommand MinMaxValues = new MinMaxValuesCommand(); WindowLevelExtCommand command = new WindowLevelExtCommand(); MinMaxBits.Run(image); MinMaxValues.Run(image); Size = (1 <<(MinMaxBits.MaximumBit - MinMaxBits.MinimumBit + 1)); LookupTable = new Leadtools.RasterColor16[Size]; // fill the first half of the LookupTable with RED. for(x = 0; x < Size / 2; x++) LookupTable[x] = new Leadtools.RasterColor16(Leadtools.RasterColor16.MaximumComponent, 0, 0); // fill the rest with gray values. for(x = Size / 2; x < Size; x++) { y = (int)((x - MinMaxValues.MinimumValue) * Leadtools.RasterColor16.MaximumComponent / (MinMaxValues.MaximumValue - MinMaxValues.MinimumValue)); LookupTable[x] = new Leadtools.RasterColor16(y, y, y); } command.HighBit = MinMaxBits.MaximumBit; command.LowBit = MinMaxBits.MinimumBit; command.LookupTable = LookupTable; command.Order = Leadtools.RasterByteOrder.Bgr; command.Run(image); } static class LEAD_VARS { public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images"; }
function WindowLevelExtCommandExample() { var codecs = new Leadtools.Codecs.RasterCodecs(); codecs.throwExceptionsOnInvalidImages = true; // Load the image var srcFileName = "Assets\\Image2.dcm"; var processedImage; return Tools.AppInstallFolder().getFileAsync(srcFileName).then(function (loadFile) { return codecs.loadAsync(Leadtools.LeadStreamFactory.create(loadFile)); }).then(function (image) { // Prepare the command with (Leadtools.ImageProcessing.Core) { var x; var y; var Size; var LookupTable = new Array(); var MinMaxBits = new MinMaxBitsCommand(); var MinMaxValues = new MinMaxValuesCommand(); var command = new WindowLevelExtCommand(); MinMaxBits.run(image); MinMaxValues.run(image); Size = (1 << (MinMaxBits.maximumBit - MinMaxBits.minimumBit + 1)); // fill the first half of the LookupTable with RED. for (x = 0; x < Size / 2; x++) LookupTable[x] = Leadtools.RasterColor16Helper.create(Leadtools.RasterColor16Helper.maximumComponent, 0, 0); // fill the rest with gray values. for (x = Size / 2; x < Size; x++) { y = (x - MinMaxValues.minimumValue) * Leadtools.RasterColor16Helper.maximumComponent / (MinMaxValues.maximumValue - MinMaxValues.minimumValue); LookupTable[x] = Leadtools.RasterColor16Helper.create(y, y, y); } command.highBit = MinMaxBits.maximumBit; command.lowBit = MinMaxBits.minimumBit; command.lookupTable = LookupTable; command.order = Leadtools.RasterByteOrder.bgr; command.run(image); } }); }
[TestMethod] public async Task WindowLevelExtCommandExample() { // Load an image RasterCodecs codecs = new RasterCodecs(); codecs.ThrowExceptionsOnInvalidImages = true; // Load the image string srcFileName = @"Assets\Image2.dcm"; StorageFile loadFile = await Tools.AppInstallFolder.GetFileAsync(srcFileName); RasterImage image = await codecs.LoadAsync(LeadStreamFactory.Create(loadFile)); // Prepare the command int x; int y; int Size; RasterColor16 [] LookupTable; MinMaxBitsCommand MinMaxBits = new MinMaxBitsCommand(); MinMaxValuesCommand MinMaxValues = new MinMaxValuesCommand(); WindowLevelExtCommand command = new WindowLevelExtCommand(); MinMaxBits.Run(image); MinMaxValues.Run(image); Size = (1 <<(MinMaxBits.MaximumBit - MinMaxBits.MinimumBit + 1)); LookupTable = new Leadtools.RasterColor16[Size]; // fill the first half of the LookupTable with RED. for(x = 0; x < Size / 2; x++) LookupTable[x] = Leadtools.RasterColor16Helper.Create(Leadtools.RasterColor16Helper.MaximumComponent, 0, 0); // fill the rest with gray values. for(x = Size / 2; x < Size; x++) { y = (int)((x - MinMaxValues.MinimumValue) * Leadtools.RasterColor16Helper.MaximumComponent / (MinMaxValues.MaximumValue - MinMaxValues.MinimumValue)); LookupTable[x] = Leadtools.RasterColor16Helper.Create(y, y, y); } command.HighBit = MinMaxBits.MaximumBit; command.LowBit = MinMaxBits.MinimumBit; command.LookupTable = LookupTable; command.Order = Leadtools.RasterByteOrder.Bgr; command.Run(image); }
public void WindowLevelExtCommandExample(RasterImage image, Stream outStream) { // Prepare the command int x; int y; int Size; RasterColor16[] LookupTable; MinMaxBitsCommand MinMaxBits = new MinMaxBitsCommand(); MinMaxValuesCommand MinMaxValues = new MinMaxValuesCommand(); WindowLevelExtCommand command = new WindowLevelExtCommand(); MinMaxBits.Run(image); MinMaxValues.Run(image); Size = (1 << (MinMaxBits.MaximumBit - MinMaxBits.MinimumBit + 1)); LookupTable = new Leadtools.RasterColor16[Size]; // fill the first half of the LookupTable with RED. for (x = 0; x < Size / 2; x++) LookupTable[x] = new Leadtools.RasterColor16(Leadtools.RasterColor16.MaximumComponent, 0, 0); // fill the rest with gray values. for (x = Size / 2; x < Size; x++) { y = (int)((x - MinMaxValues.MinimumValue) * Leadtools.RasterColor16.MaximumComponent / (MinMaxValues.MaximumValue - MinMaxValues.MinimumValue)); LookupTable[x] = new Leadtools.RasterColor16(y, y, y); } command.HighBit = MinMaxBits.MaximumBit; command.LowBit = MinMaxBits.MinimumBit; command.LookupTable = LookupTable; command.Order = Leadtools.RasterByteOrder.Bgr; command.Run(image); // Save result image RasterCodecs codecs = new RasterCodecs(); codecs.Save(image, outStream, RasterImageFormat.Jpeg, 24); image.Dispose(); }
Public Sub WindowLevelExtCommandExample(ByVal image As RasterImage, ByVal outStream As Stream)
' Prepare the command
Dim x As Integer
Dim y As Integer
Dim Size As Integer
Dim LookupTable As RasterColor16()
Dim MinMaxBits As MinMaxBitsCommand = New MinMaxBitsCommand()
Dim MinMaxValues As MinMaxValuesCommand = New MinMaxValuesCommand()
Dim command As WindowLevelExtCommand = New WindowLevelExtCommand()
MinMaxBits.Run(image)
MinMaxValues.Run(image)
Size = (1 << (MinMaxBits.MaximumBit - MinMaxBits.MinimumBit + 1))
LookupTable = New RasterColor16(Size - 1) {}
' fill the first half of the LookupTable with RED.
x = 0
Do While x < Size / 2
LookupTable(x) = New RasterColor16(RasterColor16.MaximumComponent, 0, 0)
x += 1
Loop
' fill the rest with gray values.
x = Size / 2
Do While x < Size
y = CInt((x - MinMaxValues.MinimumValue) * RasterColor16.MaximumComponent / (MinMaxValues.MaximumValue - MinMaxValues.MinimumValue))
LookupTable(x) = New RasterColor16(y, y, y)
x += 1
Loop
command.HighBit = MinMaxBits.MaximumBit
command.LowBit = MinMaxBits.MinimumBit
command.LookupTable = LookupTable
command.Order = RasterByteOrder.Bgr
command.Run(image)
' Save result image
Dim codecs As RasterCodecs = New RasterCodecs()
codecs.Save(image, outStream, RasterImageFormat.Jpeg, 24)
image.Dispose()
End Sub
Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2
WindowLevelExtCommand Members
Leadtools.ImageProcessing.Core Namespace
Introduction to Image Processing With LEADTOOLS
Grayscale Images
WindowLevelCommand Class
ApplyVoiLookupTableCommand Class
Leadtools.RasterPalette.WindowLevelFillLookupTable(Leadtools.RasterColor[],Leadtools.RasterColor,Leadtools.RasterColor,System.Int32,System.Int32,System.Int32,System.Int32,System.Int32,System.Int32,System.Int32,Leadtools.RasterPaletteWindowLevelFlags)
Leadtools.ImageProcessing.Color.GrayScaleToDuotoneCommand
Leadtools.ImageProcessing.Color.GrayScaleToMultitoneCommand
SelectDataCommand Class
ShiftDataCommand Class