ChannelMixerCommand Class

Summary

Redistributes the RGB values of a specific image, using the values in the ChannelMixerCommandFactor classes.

Syntax

Objective-C

C++/CLI

Java

Python

public class ChannelMixerCommand : RasterCommand

@interface LTChannelMixerCommand : LTRasterCommand

public class ChannelMixerCommand 
    extends RasterCommand

public ref class ChannelMixerCommand : public RasterCommand

class ChannelMixerCommand(RasterCommand):

Remarks

This command is used to rebalance the colors in an image. It can be used to make color adjustments and corrections.
This command supports 1-bit, 2-bit, 3-bit, 4-bit, 5-bit, 6-bit, 7-bit, 8-bit, 24-bit, 48-bit and 64-bit images and can support regions for 24-bit, 48-bit and 64-bit images. If the image has a region, the effect will be applied on the region only.
This command does not support signed data images.
This command does not support 32-bit grayscale images.

For more information, refer to Introduction to Image Processing With LEADTOOLS. For more information, refer to Correcting Colors.

Channel Mixer Function - Before

Channel Mixer Function - After

View additional platform support for this Channel Mixer function.

Example

Run the ChannelMixerCommand on an image.

Java

using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.ImageProcessing.Color; 
 
 
public void ChannelMixerCommandExample() 
{ 
   // 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 
   ChannelMixerCommandFactor RedFactor = new ChannelMixerCommandFactor(50, 0, 0, 0); 
   ChannelMixerCommandFactor GreenFactor = new ChannelMixerCommandFactor(10, 100, 0, 0); 
   ChannelMixerCommandFactor BlueFactor = new ChannelMixerCommandFactor(0, 0, 100, 0); 
   ChannelMixerCommand command = new ChannelMixerCommand(); 
   command.RedFactor = RedFactor; 
   command.GreenFactor = GreenFactor; 
   command.BlueFactor = BlueFactor; 
   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:\LEADTOOLS23\Resources\Images"; 
}

 
import java.io.File; 
import java.io.IOException; 
 
import org.junit.*; 
import org.junit.runner.JUnitCore; 
import org.junit.runner.Result; 
import org.junit.runner.notification.Failure; 
import static org.junit.Assert.*; 
 
import leadtools.*; 
import leadtools.codecs.*; 
import leadtools.imageprocessing.color.*; 
 
 
public void channelMixerCommandExmaple() { 
 
    final String LEAD_VARS_IMAGES_DIR = "C:\\LEADTOOLS23\\Resources\\Images"; 
 
    // Load an image 
    RasterCodecs codecs = new RasterCodecs(); 
    codecs.setThrowExceptionsOnInvalidImages(true); 
 
    RasterImage image = codecs.load(combine(LEAD_VARS_IMAGES_DIR, "Image1.jpg")); 
 
    // Prepare the command 
    ChannelMixerCommandFactor redFactor = new ChannelMixerCommandFactor(50, 0, 0, 0); 
    ChannelMixerCommandFactor greenFactor = new ChannelMixerCommandFactor(10, 100, 0, 0); 
    ChannelMixerCommandFactor blueFactor = new ChannelMixerCommandFactor(0, 0, 100, 0); 
    ChannelMixerCommand command = new ChannelMixerCommand(); 
    command.setRedFactor(redFactor); 
    command.setGreenFactor(greenFactor); 
    command.setBlueFactor(blueFactor); 
    command.run(image); 
    codecs.save(image, combine(LEAD_VARS_IMAGES_DIR, "Result.jpg"), RasterImageFormat.JPEG, 24); 
 
    assertTrue(new File(combine(LEAD_VARS_IMAGES_DIR, "Result.jpg")).exists()); 
    System.out.println("Command run and image saved to " + combine(LEAD_VARS_IMAGES_DIR, "Result.jpg")); 
 
}