Subject Property

Summary

Subject of this PDF annotation.

Syntax

C++/CLI

Java

Python

public string Subject { get; set; }

public String getSubject(); 
public void setSubject( 
   java.lang.String string 
);

public: 
property String^ Subject { 
   String^ get(); 
   void set (    String^ ); 
}

Subject # get and set (PDFAnnotation)

Property Value

A System.String that contain the subject of the PDF annotation. The default value is null.

Remarks

PDF property item strings must be 126 characters or less. This is defined by the PDFDocument.MaximumStringLength constant. LEADTOOLS will automatically truncate the string if required.

Example

Java

using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.Pdf; 
using Leadtools.WinForms; 
using Leadtools.Drawing; 
 
 
public void PDFHighlightAnnotationExample() 
{ 
   string pdfSrcFileName = Path.Combine(LEAD_VARS.ImagesDir, @"Leadtools.pdf"); 
   string pdfDestFileName = Path.Combine(LEAD_VARS.ImagesDir, @"LEAD_Annotations.pdf"); 
 
   PDFFile pdfFile = new PDFFile(pdfSrcFileName); 
   List<PDFAnnotation> Annotations = new List<PDFAnnotation>(); 
   PDFHighlightAnnotation highlight = new PDFHighlightAnnotation(); 
 
   // Add highlight points 
   highlight.Points.Add(new PDFPoint(100, 100)); 
   highlight.Points.Add(new PDFPoint(100, 200)); 
   highlight.Points.Add(new PDFPoint(200, 200)); 
   highlight.Points.Add(new PDFPoint(200, 100)); 
 
   highlight.Color = RasterColor.FromKnownColor(RasterKnownColor.YellowGreen); 
   Annotations.Add(highlight); 
 
   pdfFile.WriteAnnotations(Annotations, pdfDestFileName); 
} 
 
 
static class LEAD_VARS 
{ 
   public const string ImagesDir = @"C:\LEADTOOLS23\Resources\Images"; 
}

 
import java.io.File; 
import java.io.IOException; 
import java.util.ArrayList; 
 
import org.junit.*; 
import org.junit.runner.JUnitCore; 
import org.junit.runner.Result; 
import org.junit.runner.notification.Failure; 
import static org.junit.Assert.assertTrue; 
 
import leadtools.*; 
import leadtools.document.*; 
import leadtools.pdf.*; 
 
 
public void pdfHighlightAnnotationExample() { 
 
   final String LEAD_VARS_IMAGES_DIR = "C:\\LEADTOOLS23\\Resources\\Images"; 
   String pdfSrcFileName = combine(LEAD_VARS_IMAGES_DIR, "Leadtools.pdf"); 
   String pdfDestFileName = combine(LEAD_VARS_IMAGES_DIR, "LEAD_Annotations.pdf"); 
 
   PDFFile pdfFile = new PDFFile(pdfSrcFileName); 
   ArrayList<PDFAnnotation> annotations = new ArrayList<PDFAnnotation>(); 
   PDFHighlightAnnotation highlight = new PDFHighlightAnnotation(); 
 
   // Add highlight points 
   highlight.getPoints().add(new PDFPoint(100, 100)); 
   highlight.getPoints().add(new PDFPoint(100, 200)); 
   highlight.getPoints().add(new PDFPoint(200, 200)); 
   highlight.getPoints().add(new PDFPoint(200, 100)); 
 
   highlight.setColor(RasterColor.fromKnownColor(RasterKnownColor.YELLOW_GREEN)); 
   annotations.add(highlight); 
 
   pdfFile.writeAnnotations(annotations, pdfDestFileName); 
 
   LEADDocument exportedPdf = DocumentFactory.loadFromFile(pdfDestFileName, 
         new LoadDocumentOptions()); 
 
   System.out.printf("Document exported successfully to %1s%nPage 1 has %2s annotation(s) of %3s%n", pdfDestFileName, 
         exportedPdf.getAnnotations().getAnnotations(false)[0].getChildren().size(), 
         exportedPdf.getAnnotations().getAnnotations(false)[0].getChildren().get(0).getClass()); 
 
   assertTrue(exportedPdf.getAnnotations().getAnnotations(false)[0].getChildren().size() > 0 
         && exportedPdf.getAnnotations().getAnnotations(false)[0].getChildren().get(0).getClass().toString() 
               .equals("class leadtools.annotations.engine.AnnTextHiliteObject")); 
 
}

Requirements

Target Platforms

Reference

PDFAnnotation Class

PDFAnnotation Members

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Help Version 23.0.2024.2.29

Leadtools.Pdf Assembly

Introduction

Getting Started

Namespaces

Leadtools.Pdf Namespace

Assemblies