Dr. Diane A. Riordan, CMA, is a Professor of Accounting  

and The Journal of Accounting Education Research Professor at           

James Madison University.  

She is a Director of

the Institute of Management Accountants'

Foundation for Applied Research

 and can be reached at: 

James Madison University

College of Business

ZSH 0424 MSC 0204

Harrisonburg, VA 22807

TEL (540) 568-3208

FAX (540) 568-3010

/************************************************************************** Slidetext.java Brian D. Field Computer Wonders bfield@edgenet.net (401)737-7074 10/6/97 Text animation. HTML example: THIS SOFTWARE AND THE ACCOMPANYING FILES ARE GIVEN "AS IS" AND WITHOUT WARRANTIES AS TO PERFORMANCE OR MERCHANTABILITY OR ANY OTHER WARRANTIES WHETHER EXPRESSED OR IMPLIED. NO WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE IS OFFERED. Good development procedure dictates that any program be thoroughly tested with non-critical data before relying on it. The user must assume the entire risk of using the program. In other words, this is a freebie and I'm not responsible for "Jack Squat". **************************************************************************/ import java.applet.*; import java.awt.*; public class Slidetext extends java.applet.Applet implements Runnable { private char baText[]; private String sSlideString = null; private String sFont = null; private Thread killme = null; private int i; private int x_coord = 0, y_coord = 0; private boolean fThreadSuspended = false; private boolean fThreadSleeping = false; private Font fntOurs; private FontMetrics fmOurFontMetrics; private String szaFonts[]; private Toolkit OurToolkit; private Dimension OurDimension; private int iSpeed = 50; private int iSleep; private int iCurChar = -1; private int iCharPos = -1; private Color cBgColor; private Color cTxtColor; private static final int STEPS = 4; public void init() { int iStyle, iSize; String sColor; String sTemp; // Set the background color sColor = getParameter("bgcolor"); if(sColor != null && sColor.length() == 6) { cBgColor = new Color( HexToInt(sColor.substring(0,2)), HexToInt(sColor.substring(2,4)), HexToInt(sColor.substring(4)) ); } else { cBgColor = new Color( 255, 255, 255 ); } setBackground(cBgColor); // Set the text color sColor = getParameter("txtcolor"); if(sColor != null && sColor.length() == 6) { cTxtColor = new Color( HexToInt(sColor.substring(0,2)), HexToInt(sColor.substring(2,4)), HexToInt(sColor.substring(4)) ); } else { cTxtColor = new Color( 0, 0, 0 ); } sTemp = getParameter("style"); if (sTemp == null) iStyle = 0; else iStyle = Integer.parseInt(sTemp); sTemp = getParameter("size"); if (sTemp == null) iSize = 12; else iSize = Integer.parseInt(sTemp); sTemp = getParameter("sleep"); if (sTemp == null) iSleep = 10; else iSleep = Integer.parseInt(sTemp); sTemp = getParameter("speed"); if (sTemp == null) iSpeed = 50; else iSpeed = Integer.parseInt(sTemp); sFont = getParameter("font"); if (sFont == null) { sFont = "TimesRoman"; } // fntOurs = new Font(sFont, Font.BOLD, 48); fntOurs = new Font(sFont, iStyle, iSize); setFont(fntOurs); sSlideString = getParameter("text"); if (sSlideString == null) { sSlideString = "No String Passed"; } OurToolkit = getToolkit(); // Debug szaFonts = OurToolkit.getFontList(); // sSlideString = fntOurs.getName(); OurDimension = OurToolkit.getScreenSize(); baText = new char [sSlideString.length()]; sSlideString.getChars(0, sSlideString.length(), baText, 0); } public void start() { if(killme == null) { killme = new Thread(this); killme.start(); } } public void destroy() { } public void stop() { killme = null; } public void run() { while (killme != null) { if (iCurChar >= sSlideString.length()) { fThreadSleeping = true; try {Thread.sleep(iSleep);} catch (InterruptedException e){} fThreadSleeping = false; iCurChar = 0; repaint(); } else { fThreadSleeping = true; try {Thread.sleep(iSpeed);} catch (InterruptedException e){} fThreadSleeping = false; AnimateText(getGraphics()); } } } private void AnimateText(Graphics g) { int xOffset, yOffset, iStrWidth, xOffsetEnd; Rectangle rClip; int iCharHeight, iCharWidth; // Set the text color g.setColor(cTxtColor); rClip = bounds(); xOffset = rClip.x; fmOurFontMetrics = g.getFontMetrics(); iStrWidth = fmOurFontMetrics.stringWidth( sSlideString ); yOffset = rClip.y + rClip.height/2 + fmOurFontMetrics.getMaxAscent()/2 - fmOurFontMetrics.getMaxDescent(); iCharWidth = fmOurFontMetrics.charWidth( 'Z' ); iCharHeight = fmOurFontMetrics.getMaxAscent() + fmOurFontMetrics.getMaxDescent(); xOffsetEnd = xOffset + iStrWidth + iCharWidth; // Clear the animation area rClip.reshape( iCharPos, yOffset-10-fmOurFontMetrics.getMaxAscent(), iStrWidth + iCharWidth, 20 + iCharHeight); g.clearRect(rClip.x, rClip.y, rClip.width, rClip.height); if (iCurChar < if (iCharPos < xOffset) iCharPos="xOffset;" g.drawChars(baText, iCurChar, 1, iCharPos, yOffset); if (iCurChar < sSlideString.length() 1) { i="(int)(Math.random()" * (sSlideString.length() iCurChar 1)); i +="iCurChar;" x_coord="(int)" (Math.random()*20+xOffsetEnd); y_coord="(int)" (Math.random()*20+yOffset-10); g.drawChars(baText, i, 1, x_coord, y_coord); } if (iCharPos="=" xOffset) { iCurChar++; iCharPos="xOffsetEnd" + iCharWidth/STEPS; } } private void DisplayText(Graphics g) { int xOffset, yOffset, iStrWidth, xOffsetEnd; Rectangle rClip; int iCharHeight, iCharWidth; // Set the text color g.setColor(cTxtColor); rClip="bounds();" xOffset="rClip.x;" fmOurFontMetrics="g.getFontMetrics();" iStrWidth="fmOurFontMetrics.stringWidth(" sSlideString ); yOffset="rClip.y" + rClip.height/2 + fmOurFontMetrics.getMaxAscent()/2 fmOurFontMetrics.getMaxDescent(); iCharWidth="fmOurFontMetrics.charWidth(" 'Z' ); iCharHeight="fmOurFontMetrics.getMaxAscent()" + fmOurFontMetrics.getMaxDescent(); xOffsetEnd="xOffset" + iStrWidth + iCharWidth; // Clear the animation area rClip.reshape( iCharPos, yOffset-10-fmOurFontMetrics.getMaxAscent(), iStrWidth + iCharWidth, 20 + iCharHeight); g.clearRect(rClip.x, rClip.y, rClip.width, rClip.height); g.drawChars(baText, 0, sSlideString.length(), rClip.x, yOffset); iCurChar="-1;" iCharPos="-1;" } public void paint(Graphics g) { if (fThreadSuspended || fThreadSleeping) DisplayText( g ); else { iCurChar="-1;" iCharPos="-1;" AnimateText( g ); } } public boolean mouseDown(java.awt.Event evt, int x, int y) { if (fThreadSuspended) { killme.resume(); } else { killme.suspend(); } fThreadSuspended="!fThreadSuspended;" return true; } public int HexToInt(String value) { int iAnswer="0;" if(value.substring(0,1).equalsIgnoreCase("a")) iAnswer="160;" else if(value.substring(0,1).equalsIgnoreCase("b")) iAnswer="176;" else if(value.substring(0,1).equalsIgnoreCase("c")) iAnswer="192;" else if(value.substring(0,1).equalsIgnoreCase("d")) iAnswer="208;" else if(value.substring(0,1).equalsIgnoreCase("e")) iAnswer="224;" else if(value.substring(0,1).equalsIgnoreCase("f")) iAnswer="240;" else iAnswer="Integer.valueOf(value.substring(0,1)).intValue()" * 16; if(value.substring(1).equalsIgnoreCase("a")) iAnswer +="10;" else if(value.substring(1).equalsIgnoreCase("b")) iAnswer +="11;" else if(value.substring(1).equalsIgnoreCase("c")) iAnswer +="12;" else if(value.substring(1).equalsIgnoreCase("d")) iAnswer +="13;" else if(value.substring(1).equalsIgnoreCase("e")) iAnswer +="14;" else if(value.substring(1).equalsIgnoreCase("f")) iAnswer +="15;" else iAnswer +="Integer.valueOf(value.substring(1)).intValue();" return iAnswer; } }>