LineBreakMeasurer Demo : LineBreakMeasurer « 2D Graphics « Java Tutorial

1. Java Tutorial
2. 2D Graphics
3. LineBreakMeasurer

import java.awt.Font;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.GraphicsEnvironment;
import java.awt.Insets;
import java.awt.font.FontRenderContext;
import java.awt.font.LineBreakMeasurer;
import java.awt.font.TextAttribute;
import java.awt.font.TextLayout;
import java.text.AttributedCharacterIterator;
import java.text.AttributedString;

import javax.swing.JFrame;

public class TextLayoutLineBreakerMeasurer extends JFrame {

  String m = "\u05E9\u05DC\u05D5\u05DD \u05E2\u05D5\u05DC\u05DD";

  public void paint(Graphics g) {
    Graphics2D graphics2D = (Graphics2D) g;
    GraphicsEnvironment.getLocalGraphicsEnvironment();
    Font font = new Font("LucidaSans", Font.PLAIN, 14);
    AttributedString messageAS = new AttributedString(m);
    messageAS.addAttribute(TextAttribute.FONT, font);
    AttributedCharacterIterator messageIterator = messageAS.getIterator();
    FontRenderContext messageFRC = graphics2D.getFontRenderContext();
    LineBreakMeasurer messageLBM = new LineBreakMeasurer(messageIterator,
        messageFRC);

    Insets insets = getInsets();
    float wrappingWidth = getSize().width - insets.left - insets.right;
    float x = insets.left;
    float y = insets.top;

    while (messageLBM.getPosition() < messageIterator.getEndIndex()) {
      TextLayout textLayout = messageLBM.nextLayout(wrappingWidth);
      y += textLayout.getAscent();
      textLayout.draw(graphics2D, x, y);
      y += textLayout.getDescent() + textLayout.getLeading();
      x = insets.left;
    }
  }

  public static void main(String[] args) {
    JFrame frame = new TextLayoutLineBreakerMeasurer();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
   
    frame.setSize(200,200);
    frame.setVisible(true);
  }
}

16.22.LineBreakMeasurer
	16.22.1.	LineBreakMeasurer Demo
	16.22.2.	Drawing multi-line text