Java Tutorial/PDF/Character

Материал из Java эксперт
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implements SplitCharacter

import java.io.FileOutputStream;
import com.lowagie.text.Chunk;
import com.lowagie.text.Document;
import com.lowagie.text.Font;
import com.lowagie.text.Paragraph;
import com.lowagie.text.SplitCharacter;
import com.lowagie.text.pdf.PdfChunk;
import com.lowagie.text.pdf.PdfWriter;
public class MainClass {
  public static void main(String[] args) throws Exception {
    Document document = new Document();
    PdfWriter.getInstance(document, new FileOutputStream("2.pdf"));
    document.open();
    Font font = new Font(Font.HELVETICA, 18);
    String text = "this is a test";
    String url = "http://www.jexp.ru";
    document.add(new Paragraph("Default split behavior."));
    Paragraph p = new Paragraph(24, new Chunk(text, font));
    Chunk urlChunk = new Chunk(url, font);
    p.add(urlChunk);
    document.add(p);
    document.add(new Paragraph("this is a test."));
    p = new Paragraph(24, new Chunk(text, font));
    urlChunk = new Chunk(url, font);
    urlChunk.setSplitCharacter(new MySplitCharacter());
    p.add(urlChunk);
    document.add(p);
    document.close();
  }
}
class MySplitCharacter implements SplitCharacter {
  public boolean isSplitCharacter(int start, int current, int end, char[] cc, PdfChunk[] ck) {
    char c;
    if (ck == null)
      c = cc[current];
    else
      c = ck[Math.min(current, ck.length - 1)].getUnicodeEquivalent(cc[current]);
    return (c == "/" || c == " ");
  }
}





Set Character Spacing

import java.awt.Color;
import java.io.FileOutputStream;
import java.io.IOException;
import com.lowagie.text.Document;
import com.lowagie.text.DocumentException;
import com.lowagie.text.pdf.BaseFont;
import com.lowagie.text.pdf.PdfContentByte;
import com.lowagie.text.pdf.PdfTemplate;
import com.lowagie.text.pdf.PdfTextArray;
import com.lowagie.text.pdf.PdfWriter;
public class MainClass {
  public static void main(String[] args) throws Exception {
    Document document = new Document();
      PdfWriter writer = PdfWriter.getInstance(
          document,
          new FileOutputStream("2.pdf"));
      document.open();
      String text = "jexp";
      PdfContentByte cb = writer.getDirectContent();
      BaseFont bf = BaseFont.createFont(BaseFont.HELVETICA,
          BaseFont.WINANSI, BaseFont.NOT_EMBEDDED);
      cb.beginText();
      cb.moveText(36, 806);
      cb.setFontAndSize(bf, 24);
      cb.moveTextWithLeading(0, -36);
      cb.showText(text);
      cb.newlineText();
      
      PdfTextArray array = new PdfTextArray("J");
      array.add(120);
      array.add("a");
      array.add(120);
      array.add("v");
      array.add(95);
      array.add("a2s");
      cb.showText(array);
      cb.setWordSpacing(0);
      cb.setCharacterSpacing(0);
      cb.endText();
    document.close();
  }
}