Java/Advanced Graphics/Text

Text position hints and Annotation algorithm

   <source lang="java">

import java.awt.*; import java.awt.event.*; import javax.swing.*; import no.geosoft.cc.graphics.*;

/**

* G demo program. Demonstrates:
*

*

*
• Text position hints *
• Annotation algorithm *

* 
* @author 

Vertical Text

   <source lang="java">

import java.awt.*; import java.applet.*; import java.net.URL; import java.util.*; import graph.*; /*************************************************************************

• • Applet example4a
  • Copyright (C) 1996 Leigh Brookshaw
  • This program is free software; you can redistribute it and/or modify
  • it under the terms of the GNU General Public License as published by
  • the Free Software Foundation; either version 2 of the License, or
  • (at your option) any later version.
  • This program is distributed in the hope that it will be useful,
  • but WITHOUT ANY WARRANTY; without even the implied warranty of
  • MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  • GNU General Public License for more details.
  • You should have received a copy of the GNU General Public License
  • along with this program; if not, write to the Free Software
  • Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  • This is a simple applet that demonstrates how to use the TextLine
  • Class
  • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • /

public class example4a extends Applet {

     RTextLine text = new RTextLine();

     public void init() {
       text.setDrawingComponent(this);
     }
     public void paint(Graphics g) {
          drawtext(g);
     }
     public void update(Graphics g) {
          drawtext(g);
     }
     public void drawtext(Graphics g) {
          Rectangle r = bounds();
          int x = r.x+r.width/2;
          int y = r.y;
          text.setFont(new Font("TimesRoman",Font.PLAIN,20));

          text.setColor( new Color(0,200,0) );
          text.setText("Examples of the Rotated TextLine Class");
          y += 2*text.getHeight(g);
          text.draw(g,x,y,TextLine.CENTER);
          text.setColor(Color.magenta);
          text.setText("Rotated 90 Degrees");
          text.setRotation(90);
          text.draw(g,x+text.getRWidth(g),
                         y+text.getRHeight(g),TextLine.LEFT);
          text.setRotation(0);
    
          text.setColor(Color.magenta);
          text.setText("Rotated -90 Degrees");
          text.setRotation(-90);
          text.draw(g,x+3*text.getRWidth(g),
                         y+text.getRHeight(g),TextLine.LEFT);
          y += text.getRHeight(g)+text.getHeight(g);
          text.setColor(Color.magenta);
          text.setText("Rotated 180 Degrees");
          text.setRotation(180);
          text.draw(g,x,
                         y+text.getRHeight(g),TextLine.LEFT);
    
     }
     public static void main(String[] a){
        javax.swing.JFrame f = new javax.swing.JFrame();
        Applet app = new example4a();
        app.init();
        
        f.getContentPane().add (app);
        f.pack();
        f.setSize (new Dimension (500, 500));
        f.setVisible(true);
     }

}

      </source>