Black Property

Summary

Gets or sets a value that specifies the percentage of black in a color.

Syntax

Objective-C

C++/CLI

Java

Python

public int Black { get; set; }

@property (nonatomic, assign) int8_t black;

public int getBlack(); 
public void setBlack( 
   int intValue 
);

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

Black # get and set (SelectiveColorCommandData)

Property Value

Value that specifies the percentage of black in a color. Valid values range from -100 to 100, which is interpreted as -100 to 100.

Example

using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.ImageProcessing.Color; 
 
 
public void SelectiveColorCommandExample() 
{ 
   // Load an image 
   RasterCodecs codecs = new RasterCodecs(); 
   codecs.ThrowExceptionsOnInvalidImages = true; 
 
   RasterImage image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "cannon.jpg")); 
 
   // Prepare the command 
   SelectiveColorCommand command = new SelectiveColorCommand(); 
   //Manipulate values. 
   command.ColorsData[(int)SelectiveCommandColorTypes.Red].Cyan = -100; // Change the Red selected color 
   command.ColorsData[(int)SelectiveCommandColorTypes.Yellow].Cyan = 34;  // Change the Yellow selected color 
   command.ColorsData[(int)SelectiveCommandColorTypes.Yellow].Magenta = 100; 
   command.ColorsData[(int)SelectiveCommandColorTypes.Yellow].Yellow = 40; 
   command.ColorsData[(int)SelectiveCommandColorTypes.Green].Black = 100; // Change the Green selected color 
   command.ColorsData[(int)SelectiveCommandColorTypes.Neutral].Cyan = -65;  // Change the Neutral selected color 
   command.ColorsData[(int)SelectiveCommandColorTypes.Neutral].Magenta = -39; 
   command.ColorsData[(int)SelectiveCommandColorTypes.Neutral].Yellow = 63; 
   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

SelectiveColorCommandData Class

SelectiveColorCommandData Members

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Help Version 22.0.2023.3.31