GrayScaleToDuotoneCommand Constructor(RasterColor[],RasterColor,GrayScaleToDuotoneCommandMixingType)

Summary

Initializes a new GrayScaleToDuotoneCommand class object with explicit parameters.

Syntax

Objective-C

C++/CLI

Java

Python

public GrayScaleToDuotoneCommand( 
   RasterColor[] newColor, 
   RasterColor color, 
   GrayScaleToDuotoneCommandMixingType type 
)

- (instancetype)initWithNewColor:(NSArray<LTRasterColor *> *)newColor color:(LTRasterColor *)color type:(LTGrayScaleToDuotoneCommandMixingType)type NS_DESIGNATED_INITIALIZER;

public GrayScaleToDuotoneCommand( 
   RasterColor[] newColor, 
   RasterColor color, 
   GrayScaleToDuotoneCommandMixingType type 
);

public: 
GrayScaleToDuotoneCommand(  
   array<RasterColor>^ newColor, 
   RasterColor color, 
   GrayScaleToDuotoneCommandMixingType type 
)

__init__(self,newColor,color,type) # Overloaded constructor

Parameters

newColor
Array of RasterColor structures that specifies colors that will be mixed with the original gray values. If this parameter is set to null, the Color property must contain a valid color. Pass null when you want the command to create the array of colors, two colors when replacing both colors in a binary image, or 256 colors when using a custom array of colors.

color
Used to create an array of colors internally. This parameter is used when the NewColor structure is set to null. This parameter is ignored if the NewColor value is something other than null.

type
Enumeration that indicates whether colors will be mixed or replaced.

Example

Run the GrayScaleToDuotoneCommand on an image.

Java

using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.ImageProcessing.Color; 
 
 
public void GrayScaleToDuotoneConstructorExample() 
{ 
   // Load an image 
   RasterCodecs codecs = new RasterCodecs(); 
   codecs.ThrowExceptionsOnInvalidImages = true; 
 
   RasterImage image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, @"ImageProcessingDemo\Beauty16.jpg")); 
 
   // Prepare the command 
   RasterColor[] array = new RasterColor[256]; 
 
   for (int i = 0; i < 256; i++) 
      array[i] = new RasterColor(255, (byte)(i / 4), (byte)(i)); 
 
   //Apply duotone conversion. 
   GrayScaleToDuotoneCommand command = new GrayScaleToDuotoneCommand(array, new RasterColor(0, 0, 0), GrayScaleToDuotoneCommandMixingType.ReplaceOldWithNew); 
   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 grayScaleToDuotoneConstructorExample() { 
 
   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, "Beauty16.jpg")); 
 
   // Prepare the command 
   RasterColor[] array = new RasterColor[256]; 
 
   for (int i = 0; i < 256; i++) 
      array[i] = new RasterColor(255, (byte) (i / 4), (byte) (i)); 
 
   // Apply duotone conversion. 
   GrayScaleToDuotoneCommand command = new GrayScaleToDuotoneCommand(array, new RasterColor(0, 0, 0), 
         GrayScaleToDuotoneCommandMixingType.REPLACE_OLD_WITH_NEW); 
   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

Reference

GrayScaleToDuotoneCommand Class

GrayScaleToDuotoneCommand Members

Overload List

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Help Version 23.0.2024.3.3

Leadtools.ImageProcessing.Color Assembly

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Getting Started

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Leadtools.ImageProcessing.Color Namespace

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