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7027688: /applets/SimpleGraph demo needs to be improved

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Reviewed-by: rupashka
This commit is contained in:
Alexander Kouznetsov 2011-03-24 18:07:40 +01:00
parent 92b8a16fd3
commit 326df0a555
1 changed files with 13 additions and 9 deletions
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22
jdk/src/share/demo/applets/SimpleGraph/GraphApplet.java
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@ -1,5 +1,5 @@
/*
* Copyright (c) 1997, 2006, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
@ -29,22 +29,26 @@
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
*/
import java.awt.Graphics;
@SuppressWarnings("serial")
public class GraphApplet extends java.applet.Applet {
double f(double x) {
return (Math.cos(x/5) + Math.sin(x/7) + 2) * getSize().height / 4;
return (Math.cos(x / 5) + Math.sin(x / 7) + 2) * getSize().height / 4;
}
@Override
public void paint(Graphics g) {
for (int x = 0 ; x < getSize().width ; x++) {
g.drawLine(x, (int)f(x), x + 1, (int)f(x + 1));
for (int x = 0; x < getSize().width; x++) {
g.drawLine(x, (int) f(x), x + 1, (int) f(x + 1));
}
}
public String getAppletInfo() {
return "Draws a sin graph.";
}
@Override
public String getAppletInfo() {
return "Draws a sin graph.";
}
}