Groups > comp.lang.java.programmer > #27437

Re: Drawstring() and mirror printing.

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From	"John B. Matthews" <nospam@nospam.invalid>
Newsgroups	comp.lang.java.programmer
Subject	Re: Drawstring() and mirror printing.
Date	Sat, 01 Feb 2014 20:19:26 -0500
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On 2/1/14, 5:34 PM, mariuszpietrzak73@gmail.com wrote:
>
> Please help me to [resolve] issue. I have to print mirror image of string. I [tried] to use AffineTransform and scale. but it didn't work well. Maybe have you any idea to do this?
>

As an alternative to Stefan Ram delightful example, you can alter the 
graphics context's transform to invert through the desired axis. The 
example below uses scale(1, -1) to create a vertical reflection:

     private static class MirrorPanel extends JPanel {

         private static final int SZ = 42;
         private static final String s = "Hello";

         @Override
         protected void paintComponent(Graphics g) {
             super.paintComponent(g);
             Graphics2D g2d = (Graphics2D) g;
             g2d.setFont(getFont().deriveFont(42f));
             g2d.drawString(s, SZ, SZ);
             g2d.drawLine(SZ, SZ,
                 SZ + g2d.getFontMetrics().stringWidth(s), SZ);
             g2d.scale(1, -1);
             g2d.drawString(s, SZ, -SZ);
         }

         @Override
         public Dimension getPreferredSize() {
             return new Dimension(SZ * 5, SZ * 2);
         }
     }

See also this related example due to Daniele Futtorovic:

<http://groups.google.com/group/comp.lang.java.help/browse_frm/thread/2d6db5d6d6739b22>

-- 
John B. Matthews
trashgod at gmail dot com
<http://sites.google.com/site/drjohnbmatthews>

Thread

Drawstring() and mirror printing. mariuszpietrzak73@gmail.com - 2014-02-01 14:34 -0800
  Re: Drawstring() and mirror printing. "John B. Matthews" <nospam@nospam.invalid> - 2014-02-01 20:19 -0500
  Re: Drawstring() and mirror printing. Silvio <silvio@internet.com> - 2014-02-02 23:14 +0100
  Re: Drawstring() and mirror printing. mariuszpietrzak73@gmail.com - 2014-02-03 07:49 -0800
    Re: Drawstring() and mirror printing. Roedy Green <see_website@mindprod.com.invalid> - 2014-02-03 09:16 -0800

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