import java.applet.Applet; import java.awt.*; /** A 1.02 applet that lets you perform freehand drawing. */ public class SimpleWhiteboard extends Applet { protected int lastX=0, lastY=0; public void init() { setBackground(Color.white); } public boolean mouseEnter(Event e, int x, int y) { return(record(x, y)); } public boolean mouseDown(Event e, int x, int y) { return(record(x, y)); } public boolean mouseDrag(Event e, int x, int y) { Graphics g = getGraphics(); g.drawLine(lastX, lastY, x, y); return(record(x, y)); } protected boolean record(int x, int y) { lastX = x; lastY = y; return(true); } } |
© 1996-98 Marty Hall, 1999 Lawrence M. Brown