You Really Need Java!

This example is very memory-intensive; if you don't see the image try quitting some applications and reloading. This is more likely to happen with MS Internet Explorer than Netscape. /** RainbowText.java Display text in changing rainbow colors. @author Glenn A. Richard @version 2.0, November 24, 1996 Center for High Pressure Research ESS Building SUNY at Stony Brook Stony Brook, NY 11794 */ import java.awt.*; public class RainbowText extends java.applet.Applet implements Runnable { private String textStr = null; private String fontName; private int fontStyle; private int fontSize; private Color bgColor; private int sleepTime; private String paramStr; private int strlen; private Thread runner = null; private char theChars[]; private int charOffsets[]; private Color colors[]; private int yOffset; private int phase = 0; private Image offScreenImage; private Graphics offScreenG; private Font f; private FontMetrics fm; private boolean stopped = false; private String pinfo[][]={ {"text", "String", "Text to display (RainbowText)"}, {"bgcolor", "hex rrggbb color", "Background color in rrggbb format (000000)"}, {"fontname", "String", "Name of the font (TimesRoman)"}, {"fontstyle", "String", "B = bold, I = italic, BI = both ()"}, {"fontsize", "int", "Point size to be used (36)"}, {"sleeptime", "int", "Milliseconds for sleep time (100)"} }; public void init() { float h; int xPos=20; paramStr = getParameter("bgcolor"); if (paramStr == null) bgColor = Color.black; else try { bgColor = new Color(Integer.parseInt(paramStr, 16)); } catch (NumberFormatException e) { bgColor=Color.black; } setBackground(bgColor); textStr = getParameter("text"); if (textStr == null) { textStr = "RainbowText"; } fontName = getParameter("fontname"); if (fontName == null) { fontName = "TimesRoman"; } paramStr = getParameter("fontstyle"); if (paramStr == null) fontStyle = Font.PLAIN; else if (paramStr.equals("B")) fontStyle = Font.BOLD; else if (paramStr.equals("I")) fontStyle = Font.ITALIC; else if (paramStr.equals("BI")) fontStyle = Font.BOLD | Font.ITALIC; else fontStyle = Font.PLAIN; paramStr = getParameter("fontsize"); if (paramStr == null) fontSize = 36; else try { fontSize = Integer.parseInt(paramStr); } catch (Exception e) { fontSize = 36; } paramStr = getParameter("sleeptime"); if (paramStr == null) sleepTime = 100; else try { sleepTime = Integer.parseInt(paramStr); } catch (Exception e) { sleepTime = 100; } f=new Font(fontName,fontStyle,fontSize); fm=getFontMetrics(f); resize(40+fm.stringWidth(textStr),10+fm.getHeight()); yOffset = fm.getAscent()+5; strlen = textStr.length(); theChars = new char [strlen]; charOffsets = new int [strlen]; textStr.getChars(0,strlen,theChars,0); colors = new Color[strlen]; for (int i = 0; i

HTML Source: Author: Glenn Richard