package?com.zzk;

import?java.applet.applet;
import?java.awt.Graphics;
import?java.awt.Image;
import?java.awt.image.BufferedImage;
import?java.awt.image.RescaleOp;

public?class?SetImageLightenessapplet?extends?applet?{
????private?BufferedImage?image;//?聲明緩沖圖像對(duì)象
????public?void?paint（Graphics?g）?{
????????Image?img?=?null;//?聲明圖像對(duì)象
????????String?value?=?“調(diào)整圖片亮度“;
????????img?=?getImage（getCodebase（）?“com/zzk/PPD.jpg“）;//?獲得圖像對(duì)象
????????int?a?=?img.getWidth（this）;?//?獲得圖片寬度賦給變量a
????????int?b?=?img.getHeight（this）;//?獲得圖片高度賦給變量b
????????if?（a?>=?0?||?b?>=?0）?{
????????????image?=?new?BufferedImage（img.getWidth（this）?img.getHeight（this）
????????????????????BufferedImage.TYPE_INT_RGB）;//?創(chuàng)建緩沖圖像對(duì)象
????????????image.getGraphics（）.drawImage（img?0?0?null）;//?在緩沖圖像對(duì)象上繪制圖像
????????????float?fa?=?2.0f;//?聲明表示像素分量
????????????float?fb?=?-30.0f;//?聲明表示像素分量
????????????RescaleOp?op?=?new?RescaleOp（fa?fb?null）;//?創(chuàng)建RescaleOp對(duì)象
????????????image?=?op.filter（image?nul

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????文件?????????301??2010-12-22?08:52??.classpath
?????文件?????????379??2010-12-22?08:52??.project
?????文件?????????629??2010-12-22?08:52??.settings\org.eclipse.jdt.core.prefs
?????文件?????????141??2010-12-29?15:25??bin\java.policy.applet
?????文件?????????115??2010-12-22?08:52??bin\SetImageLightenessapplet.html
?????文件???????34286??2010-12-22?08:52??bin\com\zzk\PPD.jpg
?????文件????????1673??2011-01-29?09:04??bin\com\zzk\SetImageLightenessapplet.class
?????文件?????????115??2010-12-22?08:52??src\SetImageLightenessapplet.html
?????文件???????34286??2010-12-22?08:52??src\com\zzk\PPD.jpg
?????文件????????1352??2010-12-29?15:33??src\com\zzk\SetImageLightenessapplet.java