J2ME手机照相图片解析程序

package cn.test; import java.io.*; import java.util.Date; import java.util.Enumeration; import javax.microedition.midlet.*; import javax.microedition.lcdui.*; import javax.microedition.media.*; import javax.microedition.media.control.VideoControl; import javax.microedition.amms.*; import javax.microedition.amms.control.camera.*; import javax.microedition.io.file.*; import javax.microedition.io.*; public class VideoMain extends Form implements CommandListener, ItemStateListener, ItemCommandListener{ private Player player; private VideoControl vidCtrl = null; private String defaultPath; private CameraDemo demo; private Command exitCommand = new Command("Exit", Command.ITEM, 1); private Command saveCommand = new Command("Save", Command.BACK, 1); private Command backCommand = new Command("Back", Command.BACK, 2); private Command chooseCommand = new Command("choose", Command.ITEM, 1); private Command backToBrowserCommand = new Command("BackToBrows", Command.BACK, 1); private Command deleteImageFile = new Command("Delete from disk", Command.ITEM, 1); //摄像头拍照命令 private final Command snapCommand = new Command("Snapshot", Command.STOP, 1); private final Command saveSnapCommand = new Command("Save it", Command.STOP, 1); private final Command deleteSnapCommand = new Command("Delete it", Command.ITEM, 1); private Command analyCommand = new Command("analyze", Command.ITEM, 2); private final Command setSnapshotCommand = new Command("Snapshot setting", Command.ITEM, 1); private final Command viewGalleryCommand = new Command("View gallery", Command.ITEM, 6); //显示图片 private final Command displayCommand = new Command("Display", Command.ITEM, 6); //选择配置相片保存路径 private Command fileOkCommand = new Command("select", Command.BACK, 1); private Command fileCancelCommand = new Command("exit", Command.BACK, 2); //图片预览分析后界面后退按钮 private Command snapViewAnaBackCommand = new Command("backView", Command.BACK, 2); //图片预览分析后界面保存按钮 private Command snapViewAnaSaveCommand = new Command("SaveCovertPic", Command.BACK, 1); private Display display; private Form vidForm; private Form snapForm; private Item videoItem; private List browser; private Form imageViewer; private FileConnection currImage; private StringItem si; private String previewFileName; //是否保存图片 private boolean savePic = false; private String picPath; private Form snapView; private Form analyViewForm; private Image analyImg; private Image cvtAnalyImage; private int showPic = 0; //浏览的图片名, 用于分析后的图像名称使用 private String browserImageName; private Form snapshotSettingsForm; private ChoiceGroup snapSetDisOrSave; //拍摄后是否显示图片 private String[] snapSetOption = {"yes", "no"}; //拍摄后是否保存 private String[] snapSaveOption = {"yes", "no"}; private ChoiceGroup snapSaveOrNo; private ChoiceGroup snapSetFreezeOrConfirm; private TextField burstNum; private boolean savedMessageAppear = false; List lstMenu; /* separator character as defined by FC specification */ private final static char SEP = '/'; private String PHOTOS_DIR = null; List list = new List("File Browser", List.IMPLICIT); /** * 表示根目录的字符串 */ private final static String ROOT = "/"; /** * 表示父目录的字符串 */ private final static String PARENT_FOLDER = ".."; //文件和目录的图标 Image imgFile = null; //文件图标 Image imgDir = null; //目录图标 Image imgRoot = null; //根目录图标 //保存当前的路径，缺省为根路径 String curURI = ROOT; public VideoMain(CameraDemo d, String path) { super("camera demo"); this.demo = d; vidForm = this; //vidForm = new Form("Camera Player"); display = d.display; vidForm.addCommand(exitCommand); vidForm.addCommand(snapCommand); vidForm.addCommand(setSnapshotCommand); vidForm.addCommand(viewGalleryCommand); vidForm.setCommandListener(this); defaultPath = path; try { player = Manager.createPlayer("capture://video"); player.prefetch(); player.realize(); vidCtrl = (VideoControl)player.getControl( "VideoControl"); if (vidCtrl != null) { videoItem = (Item)vidCtrl.initDisplayMode(VideoControl.USE_GUI_PRIMITIVE, null); vidCtrl.setDisplaySize(210, 180); vidForm.append(videoItem); player.start(); player.start(); } else { System.out.println("Error: Can not create VideoControl"); return; } } catch (MediaException me) { me.printStackTrace(); } catch (IOException ioe) { ioe.printStackTrace(); } //文件浏览 //装载文件图标 try { imgFile = Image.createImage("/txtfile.JPG"); } catch (IOException e) { System.out.println("不能装载文件图标"); } //装载目录图标 try { imgDir = Image.createImage("/dirclose.JPG"); } catch (IOException e) { System.out.println("不能装载目录图标"); } //装载根目录图标 try { imgRoot = Image.createImage("/drive.JPG"); } catch (IOException e) { System.out.println("不能装载根目录图标"); } //display.setCurrent(vidForm); } /** * 显示文件目录 * */ private void displayDir() { list.deleteAll(); if (curURI.equals(ROOT)) { Enumeration e = FileSystemRegistry.listRoots(); while (e.hasMoreElements()) { String rootName = (String)e.nextElement(); list.append(rootName, imgRoot); } } else { //显示目录中的全部文件和文件夹 list.append(PARENT_FOLDER, imgDir); //添加父目录 try { FileConnection fc = (FileConnection)Connector.open( "file://"+curURI); Enumeration e = fc.list(); while (e.hasMoreElements()) { String name = (String)e.nextElement(); if (name.indexOf("/")>-1) { //添加目录 list.append(name, imgDir); } else { //添加文件 list.append(name, imgFile); } } fc.close(); } catch (IOException ioe) { } } } /* * Respond to commands, including back */ public void commandAction(Command c, Displayable s) { if(c =