Contrast Property

Summary

Gets or sets a value that represents the amount of contrast change.

Syntax

Objective-C

C++/CLI

Java

Python

public int Contrast { get; set; }

@property (nonatomic, assign) NSInteger contrast;

public int getContrast(); 
public void setContrast( 
   int intValue 
);

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

Contrast # get and set (HistogramContrastCommand)

Property Value

Value that represents the amount of contrast change. Valid values are -1000 to +1000.

Example

using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.ImageProcessing.Color; 
 
 
public void HistogramContrastCommandExample() 
{ 
   // Load an image 
   RasterCodecs codecs = new RasterCodecs(); 
   codecs.ThrowExceptionsOnInvalidImages = true; 
 
   RasterImage image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "IMAGE1.CMP")); 
 
   // Prepare the command 
   HistogramContrastCommand command = new HistogramContrastCommand(); 
   //Increase the contrast using the histogram by 25 percent of the possible range. 
   command.Contrast = 250; 
   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"; 
}