←Select platform

Luminance Property

Summary
Boolean flag that indicates whether to preserve luminance.
Syntax
C#
Objective-C
C++/CLI
Java
Python
public bool Luminance { get; set; } 
@property (nonatomic, assign) BOOL luminance; 
public boolean getLuminance(); 
public void setLuminance( 
   boolean booleanValue 
); 
public: 
property bool Luminance { 
   bool get(); 
   void set (    bool ); 
} 
Luminance # get and set (ColorIntensityBalanceCommand) 

Property Value

Boolean value that indicates whether to preserve luminance.

Value Meaning
true Preserve luminance.
false Do not preserve luminance.
Example
C#
Java
using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.ImageProcessing.Color; 
 
 
public void ColorIntensityBalanceCommandExample() 
{ 
   // Load an image 
   RasterCodecs codecs = new RasterCodecs(); 
   codecs.ThrowExceptionsOnInvalidImages = true; 
 
   RasterImage image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "sample5.cmp")); 
 
   // Prepare the command 
   ColorIntensityBalanceCommand command = new ColorIntensityBalanceCommand(); 
   ColorIntensityBalanceCommandData Shadows = new ColorIntensityBalanceCommandData(); 
   ColorIntensityBalanceCommandData MidTone = new ColorIntensityBalanceCommandData(); 
   ColorIntensityBalanceCommandData HighLight = new ColorIntensityBalanceCommandData(); 
 
   Shadows.Red = 60; 
   Shadows.Blue = 0; 
   Shadows.Green = 0; 
 
   MidTone.Red = 40; 
   MidTone.Blue = 0; 
   MidTone.Green = 0; 
 
   HighLight.Red = 70; 
   HighLight.Blue = 0; 
   HighLight.Green = 0; 
 
   command.Shadows = Shadows; 
   command.MidTone = MidTone; 
   command.HighLight = HighLight; 
   command.Luminance = false; 
 
   // Balance the colors by increasing the red channel values. 
   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 colorIntensityBalanceCommandExample() { 
 
    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, "sample5.cmp")); 
 
    // Prepare the command 
    ColorIntensityBalanceCommand command = new ColorIntensityBalanceCommand(); 
    ColorIntensityBalanceCommandData shadows = new ColorIntensityBalanceCommandData(); 
    ColorIntensityBalanceCommandData midTone = new ColorIntensityBalanceCommandData(); 
    ColorIntensityBalanceCommandData highLight = new ColorIntensityBalanceCommandData(); 
 
    shadows.setRed(60); 
    shadows.setBlue(0); 
    shadows.setGreen(0); 
 
    midTone.setRed(40); 
    midTone.setBlue(0); 
    midTone.setGreen(0); 
 
    highLight.setRed(70); 
    highLight.setBlue(0); 
    highLight.setGreen(0); 
 
    command.setShadows(shadows); 
    command.setMidTone(midTone); 
    command.setHighLight(highLight); 
    command.setLuminance(false); 
 
    // Balance the colors by increasing the red channel values 
    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")); 
 
} 
Requirements

Target Platforms

Help Version 23.0.2024.3.3
Products | Support | Contact Us | Intellectual Property Notices
© 1991-2024 LEAD Technologies, Inc. All Rights Reserved.

Leadtools.ImageProcessing.Color Assembly

Products | Support | Contact Us | Intellectual Property Notices
© 1991-2023 LEAD Technologies, Inc. All Rights Reserved.