java添加特效图片代码 java添加特效图片代码怎么弄

页面特效:下星星的代码(JAVA代码)以下的代码就可以,lz自己在*的地方填入星星的图片就可以了
body bgcolor=#ee3300
style
.drop { position: absolute; width: 3;filter: flipV(), flipH(); font-size: 40; color: #ffffff }
/style
script language="javascript"
snow = false;// false-rain;true-snow
snowsym = " * "are the symbols for each
rainsym = " * "can put images here.
howmany = 20many drops/snowflakes?
/**************Do not need to change anything below***********/
if(snow){sym = snowsym; speed=1; angle=10; drops=howmany}
else{sym = rainsym; speed=30; drops=howmany; angle=6}
movex = -speed/angle; movey = speed; count = 0;
function moverain(){
for(move = 0; movedrops; move){
xx[move] =movex;yy[move] =mv[move];
hmm = Math.round(Math.random()*1);
if(xx[move]0){xx[move] = maxx 10;}
if(yy[move]maxy){yy[move] = 10;}
drop[move].left = xx[move]
drop[move].top = yy[move] document.body.scrollTop;
}setTimeout('moverain()','1')}
/script
script language="javascript"
if (document.all){
drop = new Array(); xx = new Array(); yy = new Array(); mv = new Array()
ly = "document.all[\'"; st = "\'].style"
for(make = 0; makedrops; make){
document.write('div id="drop' make '" class=drop' sym '/div');
drop[make] = eval(ly 'drop' make st);
maxx = document.body.clientWidth-40
maxy = document.body.clientHeight-40
xx[make] = Math.random()*maxx;
yy[make] = -100-Math.random()*maxy;
drop[make].left = xx[make]
drop[make].top = yy[make]
mv[make] = (Math.random()*5) speed/16;
drop[make].fontSize = (Math.random()*10) 20;
if(snow){col = 'white'}else{col = 'white'}
drop[make].color = col;
}
window.onload=moverain
}
/script
/body
怎么为Java程序添加背景图片代码?仅仅是给窗口添加背景的话是很简单的,添加上以下语句(自己去添加变量哈):\x0d\x0a\x0d\x0alabel = new JLabel(background); //background为ImageIcon\x0d\x0a// 把标签的大小位置设置为图片刚好填充整个面板 \x0d\x0alabel.setBounds(0, 0, this.getWidth(), this.getHeight());\x0d\x0a//添加图片到frame的第二层(把背景图片添加到分层窗格的最底层作为背景)\x0d\x0athis.getLayeredPane().add(label,new Integer(Integer.MIN_VALUE));\x0d\x0a//把内容窗格转化为JPanel,否则不能用方法setOpaque()来使内容窗格透明\x0d\x0ajPanel=(JPanel)this.getContentPane();\x0d\x0a//设置透明\x0d\x0ajPanel.setOpaque(false);\x0d\x0a\x0d\x0a然后你上面那个JPanel p也设置成透明就可以了
java swing添加图片在java swing中需要为容器添加图片java添加特效图片代码,或者背景图片 。
提供两种简单的解决方案java添加特效图片代码,一种利用JPanel,另一种利用JLabel
1.JPanel(源代码)
package oo;
import java.awt.Graphics;
import java.awt.Image;
import java.io.File;
import javax.swing.ImageIcon;
import javax.swing.JFrame;
import javax.swing.JPanel;
public class Drawing {
JFrame jframe = new JFrame();
public static JPanel GImage = null;
public Drawing() {
initFrame();
}
// 初始化窗口
public void initFrame() {
// 利用JPanel添加背景图片
GImage = new JPanel() {
protected void paintComponent(Graphics g) {
ImageIcon icon = new ImageIcon("image\\benbenla.jpg");
Image img = icon.getImage();
g.drawImage(img, 0, 0, icon.getIconWidth(),
icon.getIconHeight(), icon.getImageObserver());
jframe.setSize(icon.getIconWidth(), icon.getIconHeight());
}
};
jframe.setTitle("测试背景图片");
jframe.add(GImage);
jframe.pack();
jframe.setVisible(true);
jframe.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
public static void main(String[] args) {
new Drawing();
}
}
2.JLabel源代码
package swing.draw;
import java.awt.Image;
import javax.swing.ImageIcon;
import javax.swing.JFrame;
import javax.swing.JLabel;
public class Drawing2 {
JLabel jlpic = new JLabel();
JFrame jframe = new JFrame();
public Drawing2() {
init1Frame();
}
public void init1Frame() {
ImageIcon icon = new ImageIcon("image\\benbenla.jpg");
icon.setImage(icon.getImage().getScaledInstance(icon.getIconWidth(),
icon.getIconHeight(), Image.SCALE_DEFAULT));
System.out.println(icon.getIconHeight()""icon.getIconWidth());
jlpic.setBounds(0, 0, 1366, 768);
jlpic.setHorizontalAlignment(0);
jlpic.setIcon(icon);
jframe.setSize(1366, 768);
jframe.add(jlpic);
jframe.pack();
jframe.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
jframe.setVisible(true);
}
public static void main(String args[]) {
new Drawing2();
}
}
怎么用java代码模拟一张图片用java代码模拟一张图片可以这样操作:1.创建BufferedImage类
2.根据BufferedImage类得到一个Graphics2D对象
3.根据Graphics2D对象进行逻辑操作
4.处理绘图
5.将绘制好的图片写入到图片
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