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); }} |
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
