[JAVA2D] multi-colors vertical text

[mini Thomas]

Dear Java2D guru,
    I'm having problem of display a vertical text in
multiple colors,  Please help.  Thank you so much.
Below is my source codes:

    public class TimeGraphPanel extends JPanel
    {
       int offsetX = 30;
       int offsetY = 30;
       int lineSpacing = 40;

       String timeString = "Local - Zulu Time";

       AttributedString  timeAttribText = new
AttributedString(timeString);
       AttributedCharacterIterator iter;
        AttributedCharacterIterator timeIter;
       FontRenderContext frc;
       TextLayout textLayout;
       Shape shape = null;

       public TimeGraphPanel()
       {
           setSize(400, 200);
           Font font = new Font("serif.bold",
Font.PLAIN, 20);
        }


       public void paintComponent(Graphics g)
       {
           Graphics2D g2 = (Graphics2D)g;
           Font font = new Font("serif.bold",
Font.PLAIN, 20);

           super.paintComponent(g2);
         //  AffineTransform defaultTransform =
g2.getTransform();

           Dimension dim = getSize();

           g2.setPaint(Color.yellow);
           g2.fillRect(offsetX, offsetY,
dim.width-offsetX*2, dim.height-offsetY*2);
           g2.setPaint(Color.black);

           int w = dim.width - 2 *offsetX;
           int h = dim.height - 2 * offsetY;
           for (int i=1; i < w/lineSpacing; i++)
           {   // draw vertical line
               g2.drawLine(lineSpacing*i+offsetX,
offsetY, lineSpacing*i+offsetX, dim.height-offsetY);
           }

           for (int j=1; j<h/lineSpacing; j++)
           {   // draw horizontal line
               g2.drawLine(offsetX,
lineSpacing*j+offsetY, dim.width-offsetX,
lineSpacing*j+offsetY);
           }



timeAttribText.addAttribute(TextAttribute.FONT, font);

timeAttribText.addAttribute(TextAttribute.FOREGROUND,
Color.green, 0, 5);  // Local text color
           int index = timeString.indexOf("-");

timeAttribText.addAttribute(TextAttribute.FOREGROUND,
Color.cyan, index, index+1);

           index = timeString.indexOf("Zulu");

timeAttribText.addAttribute(TextAttribute.FOREGROUND,
Color.blue, index, index+"Zulu".length());

           index = timeString.indexOf("Time");

timeAttribText.addAttribute(TextAttribute.FOREGROUND,
Color.cyan, index, index+"Time".length());
           AttributedCharacterIterator timeIter =
timeAttribText.getIterator();

           frc = new FontRenderContext(new
AffineTransform(), true, true);
          textLayout = new TextLayout(timeIter, frc);
          shape = textLayout.getOutline(new
AffineTransform());
         //
         Rectangle2D bounds = textLayout.getBounds();
         g2.translate(10,20);
         AffineTransform rotation =
AffineTransform.getRotateInstance(Math.PI/2,
         bounds.getX() + bounds.getWidth()/2,
         bounds.getY() + bounds.getHeight()/2);


           Shape baseShape =
rotation.createTransformedShape(shape);

          g2.fill(baseShape);


       }


    }

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