Gamma Property

Summary

Gets or sets a value that represents the gamma value.

Syntax

Objective-C

C++/CLI

Java

Python

public int Gamma { get; set; }

@property (nonatomic, assign) NSUInteger gamma;

public int getGamma(); 
public void setGamma( 
   int intValue 
);

public: 
property int Gamma { 
   int get(); 
   void set (    int ); 
}

Gamma # get and set (ColorLevelCommandData)

Property Value

Value that represents the gamma value. This value is used to modify the midtones of the image. The value in this member is a 100 times the actual value. Therefore, if uGamma = 167 then the actual gamma value is 1.67. Likewise, if you want to use a gamma of 1.75, set this property to 175. The default value is DEFAULT_GAMMA, which is 100 (actual gamma value of 1.00) which does not change the gamma value of the image.

Example

using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.ImageProcessing.Color; 
 
 
public void ColorLevelCommandExample() 
{ 
   // Load an image 
   RasterCodecs codecs = new RasterCodecs(); 
   codecs.ThrowExceptionsOnInvalidImages = true; 
 
   RasterImage image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "IMAGE1.CMP")); 
 
   // Prepare the command 
   ColorLevelCommandData blue = new ColorLevelCommandData(); 
   ColorLevelCommandData master = new ColorLevelCommandData(); 
   //Specify Image levels 
   blue.MinimumInput = 20; 
   blue.MaximumInput = 200; 
   blue.MinimumOutput = 0; 
   blue.MaximumOutput = 255; 
   blue.Gamma = 100; 
   // Master will cause the image to be Inversed 
   master.MinimumInput = 0; 
   master.MaximumInput = 255; 
   master.MinimumOutput = 255; 
   master.MaximumOutput = 0; 
   master.Gamma = 100; 
   // Level the Blue and Master channels 
   ColorLevelCommand command = new ColorLevelCommand(master, null, null, blue, ColorLevelCommandFlags.Blue | ColorLevelCommandFlags.Master); 
   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:\LEADTOOLS22\Resources\Images"; 
}

Requirements

Target Platforms

Reference

ColorLevelCommandData Class

ColorLevelCommandData Members

Download our FREE evaluation

Help Version 22.0.2023.3.31