本文为大家分享了java摄像头截图的具体代码，供大家参考，具体内容如下
本来sun有个jmf组件可以很方便的实现摄像头截图的，不过这版本后来停止更新了，当前官网最新版本为java media framework (jmf) 2.1.1e，下载回来，在windows 7 32位上使用，居然不能运行，网上另外找了个jmf的替代框架fmj使用，截图实现代码：
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package com.pengo.capture;
import java.awt.borderlayout;
import java.awt.dimension;
import java.awt.graphics2d;
import java.awt.event.actionevent;
import java.awt.event.actionlistener;
import java.awt.image.bufferedimage;
import java.io.file;
import java.io.ioexception;
import javax.imageio.imageio;
import javax.media.medialocator;
import javax.swing.jbutton;
import javax.swing.jframe;
import javax.swing.jpanel;
import javax.swing.jtextfield;
import net.sf.fmj.ui.application.capturedevicebrowser;
import net.sf.fmj.ui.application.containerplayer;
import net.sf.fmj.ui.application.playerpanelprefs;
public class cameraframe extends jframe{
private static int num = 0;
public cameraframe() throws exception{
this.settitle("摄像头截图应用");
this.setsize(480, 500);
this.setdefaultcloseoperation(jframe.exit_on_close);
final jpanel camerapanel = new jpanel();
this.getcontentpane().setlayout(new borderlayout());
this.getcontentpane().add(camerapanel, borderlayout.center);
containerplayer containerplayer = new containerplayer(camerapanel);
medialocator locator = capturedevicebrowser.run(null); //弹出摄像头设备选择
// medialocator locator = null;
// globalcapturedeviceplugger.addcapturedevices();
// vector vectordevices = capturedevicemanager.getdevicelist(null);
// if (vectordevices == null || vectordevices.size() == 0)
// {
// system.out.println("没有摄像头===");
// return;
// }
// //选择第一个摄像头设备
// for ( int i = 0; i < vectordevices.size(); i++ )
// {
// capturedeviceinfo infocapturedevice = (capturedeviceinfo) vectordevices.get(i);
// system.out.println("设备名===============" + infocapturedevice.getname());
// //选择第一个设备为程序使用,如果存在多个设备时，则第一个可能不是摄像头
// locator = infocapturedevice.getlocator();
// break;
// }
playerpanelprefs prefs = new playerpanelprefs();
containerplayer.setmedialocation(locator.toexternalform(), prefs.autoplay);
jpanel btnpanel = new jpanel(new borderlayout());
final jtextfield path = new jtextfield("e:\\camera");
path.setcolumns(30);
btnpanel.add(path, borderlayout.west);
jbutton okbtn = new jbutton("截图");
okbtn.addactionlistener(new actionlistener(){
public void actionperformed(actionevent e){
dimension imagesize = camerapanel.getsize();
bufferedimage image = new bufferedimage(imagesize.width,
imagesize.height, bufferedimage.type_int_argb);
graphics2d g = image.creategraphics();
camerapanel.paint(g);
g.dispose();
try {
string filepath = path.gettext();
file file = new file(filepath);
if(file.exists() == false){
file.mkdirs();
}
imageio.write(image, "png", new file(file.getabsolutepath() + "/" + num + ".png"));
num++;
} catch (ioexception ex) {
ex.printstacktrace();
}
}
});
btnpanel.add(okbtn, borderlayout.east);
this.getcontentpane().add(btnpanel, borderlayout.south);
}
public static void main(string[] args) throws exception{
cameraframe camera = new cameraframe();
camera.setvisible(true);
}
}
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源码下载：java摄像头截图
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持服务器之家。
原文链接：http://www.blogjava.net/pengo/archive/2012/06/09/380385.html