FirstIndex Property

Summary

A variable to be updated with the index of the last occurrence of the starting color.

Syntax

Objective-C

C++/CLI

Java

Python

public int FirstIndex { get; set; }

@property (nonatomic, assign) NSInteger firstIndex;

public int getFirstIndex(); 
public void setFirstIndex( 
   int intValue 
);

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

FirstIndex # get and set (CountLookupTableColorsResult)

Property Value

A variable to be updated with the index of the last occurrence of the starting color.

Example

Java

using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.ImageProcessing; 
using Leadtools.ImageProcessing.Core; 
 
 
public void CountLookupTableColorsExample() 
{ 
   // Load an image 
   RasterCodecs codecs = new RasterCodecs(); 
   codecs.ThrowExceptionsOnInvalidImages = true; 
 
   RasterImage image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "RGSRef.cmp")); 
 
   // Set the new lookup table 
   image.UseLookupTable = true; 
   image.SetLookupTable(new RasterColor[3]); 
 
   // Prepare the command 
   CountLookupTableColorsResult command = CoreUtilities.CountLookupTableColors(image.GetLookupTable(), CountLookupTableColorsType.Signed); 
   MessageBox.Show("First Index = " + command.FirstIndex + "\n" + 
      "Number Of Entries = " + command.NumberOfEntries); 
 
} 
 
static class LEAD_VARS 
{ 
   public const string ImagesDir = @"C:\LEADTOOLS23\Resources\Images"; 
}

 
import static org.junit.Assert.assertTrue; 
 
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 leadtools.*; 
import leadtools.codecs.*; 
import leadtools.imageprocessing.core.*; 
 
 
public void countLookupTableColorsExample() { 
 
      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, "DICOM\\image1.dcm")); 
 
      // Set the new lookup table 
      image.setUseLookupTable(true); 
      image.setLookupTable(new RasterColor[3]); 
 
      // Prepare the command 
      CountLookupTableColorsResult command = CoreUtilities.countLookupTableColors(image.getLookupTable(), 
                  CountLookupTableColorsType.UNSIGNED); 
      System.out.println("First Index = " + command.getFirstIndex() + "\n" + 
                  "Number Of Entries = " + command.getNumberOfEntries()); 
 
      codecs.save(image, combine(LEAD_VARS_IMAGES_DIR, "Result.jpg"), RasterImageFormat.DICOM_COLOR, 0); 
 
      assertTrue(new File(combine(LEAD_VARS_IMAGES_DIR, "Result.jpg")).exists()); 
      System.out.println("Image successfully saved to " + combine(LEAD_VARS_IMAGES_DIR, "Result.jpg")); 
 
}

Requirements

Target Platforms

Reference

CountLookupTableColorsResult Structure

CountLookupTableColorsResult Members

Download our FREE evaluation

Help Version 23.0.2024.3.3

Leadtools.ImageProcessing.Core Assembly

Introduction

Getting Started

Namespaces

Leadtools.ImageProcessing.Core Namespace

Assemblies