CachedPreloadCodecs Property

Summary

Gets the current setting for the cached preload codecs count.

Syntax

C++/CLI

Java

Python

public int CachedPreloadCodecs { get; }

public int getCachedPreloadCodecs()

public: 
property int CachedPreloadCodecs { 
   int get(); 
}

CachedPreloadCodecs # get  (RasterCodecs)

Property Value

The current setting for the cached preload codecs count. The default value is 10.

Example

Java

using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.ImageProcessing; 
using Leadtools.ImageProcessing.Color; 
using Leadtools.Svg; 
 
 
public void PreloadCodecsExample() 
{ 
   RasterCodecs codecs = new RasterCodecs(); 
 
   string srcFileName1 = Path.Combine(LEAD_VARS.ImagesDir, "Image1.j2k"); 
   string srcFileName2 = Path.Combine(LEAD_VARS.ImagesDir, "Image1.cmp"); 
 
   // display the original values before changing them 
   Debug.WriteLine("PreloadCodecList - {0}", codecs.PreloadCodecsList); 
   Debug.WriteLine("FixedPreloadCodecs - {0}", codecs.FixedPreloadCodecs); 
   Debug.WriteLine("CachedPreloadCodecs - {0}", codecs.CachedPreloadCodecs); 
   Debug.WriteLine("IgnoreCodecList - {0}", codecs.IgnoreCodecsList); 
 
   // preload only the j2k filter and ignore the cmp filter 
   codecs.PreloadCodecs(1, 1, "j2k"); 
   codecs.IgnoreCodecs("cmp"); 
 
   // try to get info on a j2k image 
   CodecsImageInfo info = codecs.GetInformation(srcFileName1, false); 
   Debug.WriteLine("j2k - Width: {0}, Height {1}", info.Width, info.Height); 
 
   // try to get info on a cmp image 
   try 
   { 
      info = codecs.GetInformation(srcFileName2, false); 
   } 
   catch 
   { 
      Debug.WriteLine("GetInformation for cmp failed - sample success!"); 
   } 
 
   // Clean up 
   codecs.Dispose(); 
} 
 
static class LEAD_VARS 
{ 
   public const string ImagesDir = @"C:\LEADTOOLS23\Resources\Images"; 
}

 
import java.io.*; 
import java.net.*; 
import java.nio.file.Paths; 
import java.util.*; 
import java.time.Instant; 
import java.time.Duration; 
 
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.codecs.RasterCodecs.FeedCallbackThunk; 
import leadtools.drawing.internal.*; 
import leadtools.imageprocessing.*; 
import leadtools.imageprocessing.color.ChangeIntensityCommand; 
import leadtools.svg.*; 
 
 
public void preloadCodecsExample() { 
   final String LEAD_VARS_IMAGES_DIR = "C:\\LEADTOOLS23\\Resources\\Images"; 
   RasterCodecs codecs = new RasterCodecs(); 
 
   String srcFileName1 = combine(LEAD_VARS_IMAGES_DIR, "Image1.j2k"); 
   String srcFileName2 = combine(LEAD_VARS_IMAGES_DIR, "Image1.cmp"); 
   String dstFileName1 = combine(LEAD_VARS_IMAGES_DIR, "Test1.j2k"); 
 
   // display the original values before changing them 
   System.out.println("PreloadCodecList - " + codecs.getPreloadCodecsList()); 
   System.out.println("FixedPreloadCodecs - " + codecs.getFixedPreloadCodecs()); 
   System.out.println("CachedPreloadCodecs - " + codecs.getCachedPreloadCodecs()); 
   System.out.println("IgnoreCodecList - " + codecs.getIgnoreCodecsList()); 
 
   // preload only the j2k filter and ignore the cmp filter 
   codecs.preloadCodecs(1, 1, "j2k"); 
   codecs.ignoreCodecs("cmp"); 
 
   // try to get info on a j2k image 
   CodecsImageInfo info = codecs.getInformation(srcFileName1, false); 
   System.out.println("j2k - Width: " + info.getWidth() + ", Height: " + info.getHeight()); 
 
   // try to get info on a cmp image 
   try { 
      info = codecs.getInformation(srcFileName2, false); 
   } catch (Exception e) { 
      System.out.println("GetInformation for cmp failed - sample success!"); 
   } 
 
   RasterImage image1 = codecs.load(srcFileName1); 
   codecs.save(image1, dstFileName1, RasterImageFormat.J2K, 0); 
   assertTrue("File unsuccessfully saved", (new File(dstFileName1)).exists()); 
   System.out.println("File successfully saved to: " + dstFileName1); 
 
   // Clean up 
   codecs.dispose(); 
}

Requirements

Target Platforms

Reference

RasterCodecs Class

RasterCodecs Members

PreloadCodecs Method

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Help Version 23.0.2024.2.29

Leadtools.Codecs Assembly

Introduction

Getting Started

Namespaces

Leadtools.Codecs Namespace

Assemblies