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FirstIndex Property

Summary
A variable to be updated with the index of the last occurrence of the starting color.
Syntax
C#
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
C#
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:\LEADTOOLS22\Resources\Images"; 
} 
Requirements

Target Platforms

Help Version 22.0.2023.3.31
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Leadtools.ImageProcessing.Core Assembly

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© 1991-2023 LEAD Technologies, Inc. All Rights Reserved.