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JSAMPLES.Z
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RoundHrefButtonArea.java
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1998-05-08
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/*
* @(#)RoundHrefButtonArea.java 1.5 96/12/06
*
* Copyright (c) 1994-1996 Sun Microsystems, Inc. All Rights Reserved.
*
* Sun grants you ("Licensee") a non-exclusive, royalty free, license to use,
* modify and redistribute this software in source and binary code form,
* provided that i) this copyright notice and license appear on all copies of
* the software; and ii) Licensee does not utilize the software in a manner
* which is disparaging to Sun.
*
* This software is provided "AS IS," without a warranty of any kind. ALL
* EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING ANY
* IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR
* NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN AND ITS LICENSORS SHALL NOT BE
* LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING
* OR DISTRIBUTING THE SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR ITS
* LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT,
* INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER
* CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF
* OR INABILITY TO USE SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGES.
*
* This software is not designed or intended for use in on-line control of
* aircraft, air traffic, aircraft navigation or aircraft communications; or in
* the design, construction, operation or maintenance of any nuclear
* facility. Licensee represents and warrants that it will not use or
* redistribute the Software for such purposes.
*/
/**
* An improved, round, "Fetch a URL" ImageArea class.
* This class extends the HrefButtonArea Class to make the 3D button
* a rounded ellipse. All of the same feedback and operational
* charactistics as the HrefButtonArea apply.
*
* @author Jim Graham
* @version 1.5, 12/06/96
*/
class RoundHrefButtonArea extends HrefButtonArea {
/**
* The filter used to create the 3D look for the button when it is up.
*/
RoundButtonFilter roundfilter;
/**
* Test if the coordinate is inside the round region. Use the test
* provided by the filter that creates the 3D look for consistency.
*/
public boolean inside(int x, int y) {
return roundfilter.inside(x - X, y - Y);
}
/**
* Construct the 3D look images that this area uses to draw the button.
*/
public void makeImages() {
roundfilter = new RoundButtonFilter(false, parent.hlpercent,
border, W, H);
upImage = parent.getHighlight(X, Y, W, H, roundfilter);
downImage = parent.getHighlight(X, Y, W, H,
new RoundButtonFilter(true,
parent.hlpercent,
border, W, H));
}
}