注释中的 iText Unicode [英] iText unicode in annotaion

问题描述

我在 Java 中使用 Itext.

I'm using Itext in java.

请举个例子，给pdf添加一个包含unicode字符串的文本注释.

Please give me an example to add a text annotation which contains unicode string in content to pdf.

谢谢.

推荐答案

这里是一个向现有 PDF 添加文本注释的简单示例；文本注释的标题和内容均包含阿拉伯字符.

Here a simple sample adding a text annotation to an existing PDF; both the title and the content of the text annotation contain arabic characters.

import java.io.*;

import junit.framework.TestCase;

import com.itextpdf.text.Rectangle;
import com.itextpdf.text.pdf.*;

public class TestAnnotations extends TestCase
{
    // a phonetic approximation
    final static String LAWRENCE_OF_ARABIA = "\u0644\u0648\u0631\u0627\u0646\u0633\u0627\u0644\u0639\u0631\u0628";

    public void testUnicodeAnnotation() throws Exception
    {
        final PdfReader origPdfReader = new PdfReader("test.pdf");
        final OutputStream outputStream = new FileOutputStream("test-annot.pdf");
        final PdfStamper pdfStamper = new PdfStamper(origPdfReader, outputStream, '\0', true);

        Rectangle rect = new Rectangle(100, 100);
        PdfAnnotation annotation = PdfAnnotation.createText(pdfStamper.getWriter(), rect, LAWRENCE_OF_ARABIA, LAWRENCE_OF_ARABIA, true, "Help");
        pdfStamper.addAnnotation(annotation, 1);
        pdfStamper.close();
        outputStream.close();
    }
}

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