Imports Leadtools
Imports Leadtools.Codecs
Imports Leadtools.ImageProcessing
Imports Leadtools.ImageProcessing.Core
Public Sub WindowLevelExtConstructorExample()
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)
graycommand.Run(leadImage)
Dim MinMaxBits As MinMaxBitsCommand = New MinMaxBitsCommand
MinMaxBits.Run(leadImage)
Dim MinMaxValues As MinMaxValuesCommand = New MinMaxValuesCommand
MinMaxValues.Run(leadImage)
Dim Size As Integer = (1 << (MinMaxBits.MaximumBit - MinMaxBits.MinimumBit + 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 = CType((x) * RasterColor16.MaximumComponent / (Size), Integer)
LookupTable(x) = New RasterColor16(y, y, y)
Next
Dim command As WindowLevelExtCommand = New WindowLevelExtCommand(MinMaxBits.MinimumBit, MinMaxBits.MaximumBit, LookupTable, 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
using Leadtools;
using Leadtools.Codecs;
using Leadtools.ImageProcessing;
using Leadtools.ImageProcessing.Core;
public void WindowLevelExtConstructorExample()
{
// Load an image
RasterCodecs codecs = new RasterCodecs();
codecs.ThrowExceptionsOnInvalidImages = true;
RasterImage image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "Image2.dcm"));
// Prepare the command
MinMaxBitsCommand MinMaxBits = new MinMaxBitsCommand();
MinMaxBits.Run(image);
MinMaxValuesCommand MinMaxValues = new MinMaxValuesCommand();
MinMaxValues.Run(image);
int Size = (1 <<(MinMaxBits.MaximumBit - MinMaxBits.MinimumBit + 1));
RasterColor16 [] LookupTable = new RasterColor16[Size];
// fill the first half of the LookupTable with RED.
for(int x = 0; x < Size / 2; x++)
LookupTable[x] = new RasterColor16(RasterColor16.MaximumComponent, 0, 0);
// fill the rest with gray values.
for(int x = Size / 2; x < Size; x++)
{
int y = (UInt16)((x - MinMaxValues.MinimumValue) * RasterColor16.MaximumComponent / (MinMaxValues.MaximumValue - MinMaxValues.MinimumValue));
LookupTable[x] = new RasterColor16(y, y, y);
}
WindowLevelExtCommand command = new WindowLevelExtCommand(MinMaxBits.MinimumBit, MinMaxBits.MaximumBit, LookupTable, RasterByteOrder.Bgr);
command.Run(image);
}
static class LEAD_VARS
{
public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images";
}
function WindowLevelExtConstructorExample() {
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 MinMaxBits = new MinMaxBitsCommand();
MinMaxBits.run(image);
var MinMaxValues = new MinMaxValuesCommand();
MinMaxValues.run(image);
var Size = (1 << (MinMaxBits.maximumBit - MinMaxBits.minimumBit + 1));
var LookupTable = new Array();
// fill the first half of the LookupTable with RED.
for (var x = 0; x < Size / 2; x++)
LookupTable[x] = Leadtools.RasterColor16Helper.create(Leadtools.RasterColor16Helper.maximumComponent, 0, 0);
// fill the rest with gray values.
for (var x = Size / 2; x < Size; x++) {
var y = (x - MinMaxValues.minimumValue) * Leadtools.RasterColor16Helper.maximumComponent / (MinMaxValues.maximumValue - MinMaxValues.minimumValue);
LookupTable[x] = Leadtools.RasterColor16Helper.create(y, y, y);
}
var command = new WindowLevelExtCommand(MinMaxBits.minimumBit, MinMaxBits.maximumBit, LookupTable, Leadtools.RasterByteOrder.bgr);
command.run(image);
}
});
}
using Leadtools;
using Leadtools.Codecs;
using Leadtools.ImageProcessing.Core;
public async Task WindowLevelExtConstructorExample()
{
// 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
MinMaxBitsCommand MinMaxBits = new MinMaxBitsCommand();
MinMaxBits.Run(image);
MinMaxValuesCommand MinMaxValues = new MinMaxValuesCommand();
MinMaxValues.Run(image);
int Size = (1 <<(MinMaxBits.MaximumBit - MinMaxBits.MinimumBit + 1));
RasterColor16 [] LookupTable = new RasterColor16[Size];
// fill the first half of the LookupTable with RED.
for(int x = 0; x < Size / 2; x++)
LookupTable[x] = RasterColor16Helper.Create(RasterColor16Helper.MaximumComponent, 0, 0);
// fill the rest with gray values.
for(int x = Size / 2; x < Size; x++)
{
int y = (UInt16)((x - MinMaxValues.MinimumValue) * RasterColor16Helper.MaximumComponent / (MinMaxValues.MaximumValue - MinMaxValues.MinimumValue));
LookupTable[x] = RasterColor16Helper.Create(y, y, y);
}
WindowLevelExtCommand command = new WindowLevelExtCommand(MinMaxBits.MinimumBit, MinMaxBits.MaximumBit, LookupTable, RasterByteOrder.Bgr);
command.Run(image);
}
using Leadtools;
using Leadtools.Examples;
using Leadtools.Codecs;
using Leadtools.ImageProcessing.Core;
public void WindowLevelExtConstructorExample(RasterImage image, Stream outStream)
{
// Prepare the command
MinMaxBitsCommand MinMaxBits = new MinMaxBitsCommand();
MinMaxBits.Run(image);
MinMaxValuesCommand MinMaxValues = new MinMaxValuesCommand();
MinMaxValues.Run(image);
int Size = (1 << (MinMaxBits.MaximumBit - MinMaxBits.MinimumBit + 1));
RasterColor16[] LookupTable = new RasterColor16[Size];
// fill the first half of the LookupTable with RED.
for (int x = 0; x < Size / 2; x++)
LookupTable[x] = new RasterColor16(RasterColor16.MaximumComponent, 0, 0);
// fill the rest with gray values.
for (int x = Size / 2; x < Size; x++)
{
int y = (UInt16)((x - MinMaxValues.MinimumValue) * RasterColor16.MaximumComponent / (MinMaxValues.MaximumValue - MinMaxValues.MinimumValue));
LookupTable[x] = new RasterColor16(y, y, y);
}
WindowLevelExtCommand command = new WindowLevelExtCommand(MinMaxBits.MinimumBit, MinMaxBits.MaximumBit, LookupTable, RasterByteOrder.Bgr);
command.Run(image);
// Save result image
RasterCodecs codecs = new RasterCodecs();
codecs.Save(image, outStream, RasterImageFormat.Jpeg, 24);
image.Dispose();
}
Imports Leadtools
Imports Leadtools.Codecs
Imports Leadtools.ImageProcessing.Core
Public Sub WindowLevelExtConstructorExample(ByVal image As RasterImage, ByVal outStream As Stream)
' Prepare the command
Dim MinMaxBits As MinMaxBitsCommand = New MinMaxBitsCommand()
MinMaxBits.Run(image)
Dim MinMaxValues As MinMaxValuesCommand = New MinMaxValuesCommand()
MinMaxValues.Run(image)
Dim Size As Integer = (1 << (MinMaxBits.MaximumBit - MinMaxBits.MinimumBit + 1))
Dim LookupTable As RasterColor16() = New RasterColor16(Size - 1){}
' fill the first half of the LookupTable with RED.
Dim x As Integer = 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
Dim y As Integer = CUShort((x - MinMaxValues.MinimumValue) * RasterColor16.MaximumComponent / (MinMaxValues.MaximumValue - MinMaxValues.MinimumValue))
LookupTable(x) = New RasterColor16(y, y, y)
x += 1
Loop
Dim command As WindowLevelExtCommand = New WindowLevelExtCommand(MinMaxBits.MinimumBit, MinMaxBits.MaximumBit, LookupTable, 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