CodecsHtmlLoadOptions Class

Summary

Provides specific options for loading HTML files as raster or SVG images.

Syntax

C++/CLI

Python

public class CodecsHtmlLoadOptions

public: 
   ref class CodecsHtmlLoadOptions

class CodecsHtmlLoadOptions:

Remarks

HTML files have no physical width or height in pixels. You can use the CodecsRasterizeDocumentOptions to control how the final document is rendered as a raster or SVG image. For more information, refer to CodecsRasterizeDocumentLoadOptions.

Example

Java

using Leadtools; 
using Leadtools.Codecs; 
 
using Leadtools.ImageProcessing.Core; 
using Leadtools.Pdf; 
 
public void CodecsHtmlOptions_Example() 
{ 
   using (RasterCodecs codecs = new RasterCodecs()) 
   { 
      // Use the default HTML rendering engine - CodecsHtmlOptions & CodecsHtmlLoadOptions reference 
      codecs.Options.Html.Load.HtmlEngine = CodecsHtmlEngine.Auto; 
      // Set the HTML options to only allow loading resources from the leadtools.com domain: 
      codecs.Options.Html.Load.DomainWhitelist = "leadtools.com"; 
      // Disable all JavaScript embedded in the HTML file 
      codecs.Options.Html.Load.EnableJS = false; 
      // Load the image 
      using (RasterImage image = codecs.Load("file.html", 1)) 
      { 
         // Do something with image 
      } 
   } 
}

 
import java.io.File; 
import java.io.IOException; 
import java.net.URI; 
import java.net.URISyntaxException; 
import java.nio.file.Paths; 
 
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.core.MinMaxBitsCommand; 
 
 
public void codecsHtmlOptionsExample() throws URISyntaxException { 
   final String LEAD_VARS_IMAGES_DIR = "C:\\LEADTOOLS23\\Resources\\Images"; 
   String srcFileName = combine(LEAD_VARS_IMAGES_DIR, "Example.html"); 
   String outputFileName = combine(LEAD_VARS_IMAGES_DIR, "Result.jpg"); 
   RasterCodecs codecs = new RasterCodecs(); 
 
   // Use the default HTML rendering engine - CodecsHtmlOptions & 
   // CodecsHtmlLoadOptions reference 
   codecs.getOptions().getHtml().getLoad().setHtmlEngine(CodecsHtmlEngine.AUTO); 
   // Set the HTML options to only allow loading resources from the leadtools.com 
   // domain: 
   codecs.getOptions().getHtml().getLoad().setDomainWhitelist("leadtools.com"); 
   // Disable all JavaScript embedded in the HTML file 
   codecs.getOptions().getHtml().getLoad().setEnableJS(false); 
   // Load the image 
   RasterImage image = codecs.load(srcFileName, 1); 
   // Do something with image 
 
   codecs.save(image, outputFileName, RasterImageFormat.JPEG, 0); 
 
   assertTrue("File unsuccessfully saved to " + outputFileName, (new File(outputFileName)).exists()); 
   System.out.printf("File successfully saved to %s%n", outputFileName); 
 
   image.dispose();; 
   codecs.dispose(); 
}

Requirements

Target Platforms

Reference

CodecsHtmlLoadOptions Members

Leadtools.Codecs Namespace

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Help Version 23.0.2024.2.29

Leadtools.Codecs Assembly

Introduction

Getting Started

Namespaces

Leadtools.Codecs Namespace

Assemblies