Changes the hue of colors in an image by rotating the color wheel.
public class ChangeHueCommand : RasterCommand
Public Class ChangeHueCommand
Inherits RasterCommand
@interface LTChangeHueCommand : LTRasterCommand
public class ChangeHueCommand extends RasterCommand
public ref class ChangeHueCommand : public RasterCommand
For more information, refer to Changing Brightness and Contrast. For more information, refer to Correcting Colors.
Run the ChangeHueCommand on an image and change its hue.
using Leadtools;
using Leadtools.Codecs;
using Leadtools.ImageProcessing.Color;
public void ChangeHueCommandExample()
{
// Load an image
RasterCodecs codecs = new RasterCodecs();
codecs.ThrowExceptionsOnInvalidImages = true;
RasterImage image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "ImageProcessingDemo\\Image1.jpg"));
// Prepare the command
ChangeHueCommand command = new ChangeHueCommand();
//Change each color to its complement.
command.Angle = 180;
command.Run(image);
codecs.Save(image, Path.Combine(LEAD_VARS.ImagesDir, "Result.jpg"), RasterImageFormat.Jpeg, 24);
}
static class LEAD_VARS
{
public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images";
}
Imports Leadtools
Imports Leadtools.Codecs
Imports Leadtools.ImageProcessing.Color
Public Sub ChangeHueCommandExample()
Dim codecs As New RasterCodecs()
codecs.ThrowExceptionsOnInvalidImages = True
Dim leadImage As RasterImage = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "ImageProcessingDemo\\Image1.jpg"))
' Prepare the command
Dim command As ChangeHueCommand = New ChangeHueCommand
'Change each color to its complement.
command.Angle = 180
command.Run(leadImage)
codecs.Save(leadImage, Path.Combine(LEAD_VARS.ImagesDir, "Result.jpg"), RasterImageFormat.Jpeg, 24)
End Sub
Public NotInheritable Class LEAD_VARS
Public Const ImagesDir As String = "C:\Users\Public\Documents\LEADTOOLS Images"
End Class
c#[Silverlight C# Example]
using Leadtools;
using Leadtools.Codecs;
using Leadtools.ImageProcessing.Color;
using Leadtools.Examples;
public void ChangeHueCommandExample(RasterImage image, Stream outStream)
{
// Prepare the command
ChangeHueCommand command = new ChangeHueCommand();
//Change each color to its complement.
command.Angle = 180;
command.Run(image);
// Save result image
RasterCodecs codecs = new RasterCodecs();
codecs.Save(image, outStream, RasterImageFormat.Jpeg, 24);
image.Dispose();
}
vb[Silverlight VB Example]
Imports Leadtools
Imports Leadtools.Codecs
Imports Leadtools.ImageProcessing.Color
Public Sub ChangeHueCommandExample(ByVal image As RasterImage, ByVal outStream As Stream)
' Prepare the command
Dim command As ChangeHueCommand = New ChangeHueCommand()
'Change each color to its complement.
command.Angle = 180
command.Run(image)
' Save result image
Dim codecs As RasterCodecs = New RasterCodecs()
codecs.Save(image, outStream, RasterImageFormat.Jpeg, 24)
image.Dispose()
End Sub
Leadtools.ImageProcessing.Color Namespace
Changing Brightness and Contrast
HistogramContrastCommand Class
HistogramEqualizeCommand Class
Leadtools.ImageProcessing.FillCommand
Leadtools.ImageProcessing.Effects.SmoothEdgesCommand
LocalHistogramEqualizeCommand Class
ChangeHueSaturationIntensityCommand Class
MathematicalFunctionCommand Class
ApplyMathematicalLogicCommand Class
ColorIntensityBalanceCommand Class
ContrastBrightnessIntensityCommand Class
Leadtools.ImageProcessing.SpecialEffects.FunctionalLightCommand
Leadtools.ImageProcessing.Core.MultiscaleEnhancementCommand
Leadtools.ImageProcessing.Core.SelectDataCommand
Help Collections
Raster .NET | C API | C++ Class Library | HTML5 JavaScript
Document .NET | C API | C++ Class Library | HTML5 JavaScript
Medical .NET | C API | C++ Class Library | HTML5 JavaScript
Medical Web Viewer .NET
Multimedia
Direct Show .NET | C API | Filters
Media Foundation .NET | C API | Transforms
Supported Platforms
.NET, Java, Android, and iOS/macOS Assemblies
Imaging, Medical, and Document
C API/C++ Class Libraries
Imaging, Medical, and Document
HTML5 JavaScript Libraries
Imaging, Medical, and Document
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