ColorThresholdCommand Constructor()

Summary

Initializes a new ColorThresholdCommand class object with default parameters.

Syntax

Objective-C

C++

Java

public ColorThresholdCommand()

Public Function New()

- (instancetype)init

public ColorThresholdCommand()

public: 
ColorThresholdCommand();

Example

Run the ColorThresholdCommand on an image.

using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.ImageProcessing.Color; 
 
public void ColorThresholdConstructorExample() 
{ 
   // Load an image 
   RasterCodecs codecs = new RasterCodecs(); 
   codecs.ThrowExceptionsOnInvalidImages = true; 
 
   RasterImage image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "ImageProcessingDemo\\Image1.jpg")); 
 
   // Prepare the command 
   ColorThresholdCommandComponent[] components = new ColorThresholdCommandComponent[3]; 
   for (int i = 0; i < 3; i++) 
      components[i] = new ColorThresholdCommandComponent(128, 255, 0); 
 
   ColorThresholdCommand command = new ColorThresholdCommand(); 
   command.ColorSpace = ColorThresholdCommandType.Rgb; 
   command.Components = components; 
 
   //Apply color Threshold effect on the image. 
   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:\LEADTOOLS21\Resources\Images"; 
}

Imports Leadtools 
Imports Leadtools.Codecs 
Imports Leadtools.ImageProcessing.Color 
 
Public Sub ColorThresholdConstructorExample() 
   Dim codecs As New RasterCodecs() 
   codecs.ThrowExceptionsOnInvalidImages = True 
 
   Dim leadImage As RasterImage = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "ImageProcessingDemo\\Image1.jpg")) 
 
   ' Prepare the command 
   Dim components() As ColorThresholdCommandComponent 
   ReDim components(2) 
 
   Dim i As Integer 
   For i = 0 To 2 
      components(i) = New ColorThresholdCommandComponent(128, 255, 0) 
   Next i 
 
   Dim command As ColorThresholdCommand = New ColorThresholdCommand 
   command.ColorSpace = ColorThresholdCommandType.Rgb 
   command.Components = components 
   'Apply color Threshold effect on the image. 
   command.Run(leadImage) 
   codecs.Save(leadImage, Path.Combine(LEAD_VARS.ImagesDir, "Result.jpg"), RasterImageFormat.Jpeg, 24) 
 
End Sub 
 
Public NotInheritable Class LEAD_VARS 
   Public Const ImagesDir As String = "C:\LEADTOOLS21\Resources\Images" 
End Class

Requirements

Target Platforms

Reference

ColorThresholdCommand Class

ColorThresholdCommand Members

Overload List

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Help Version 21.0.2021.7.2

Leadtools.ImageProcessing.Color Assembly

Introduction

Getting Started

Namespaces

Leadtools.ImageProcessing.Color Namespace

Assemblies