public Bitmap ReadFrame(GroupInfo group, AlarmInfo alarm)
{
string root = FileConfigReader.SingleConfig[group.Area, group.Device]["event"];
if (root == string.Empty) return null;
string alarmFile = FilePath.GetDateTimePathTimeFile(root, group.Area, group.Device, new DateTime(alarm.GroupID), alarm.AlarmTime, "jpg");
if (!File.Exists(alarmFile)) return null;
return new Bitmap(alarmFile);
}
public bool WriteAlarm(GroupInfo group, AlarmInfo alarm, Bitmap frame)
{
IConfigReader _config = FileConfigReader.SingleConfig;
string root = _config[group.Area, group.Device]["event"];
if (root == string.Empty) return false;
string groupPath = FilePath.GetDateTimePath(root, group.Area, group.Device, group.GroupTime);
//若报警组目录不存在，则创建该目录
if (!Directory.Exists(groupPath)) Directory.CreateDirectory(groupPath);
string alarmFile = FilePath.GetDateTimePathTimeFile(root, group.Area, group.Device, group.GroupTime, alarm.AlarmTime, "alarm");
string frameFile = FilePath.GetDateTimePathTimeFile(root, group.Area, group.Device, group.GroupTime, alarm.AlarmTime, "jpg");
try
{
frame.Save(frameFile);
}
catch { return false; }
FileInfo fiAlarm = new FileInfo(alarmFile);
using (StreamWriter swAlarm = File.CreateText(fiAlarm.FullName))
{
//存储报警
{
swAlarm.WriteLine(alarm.GroupID);
swAlarm.WriteLine(alarm.FrameIndex);
swAlarm.WriteLine(alarm.AlarmID);
int regionLength = Math.Min(alarm.AlarmRegion.Length, alarm.AlarmRegionType.Length);
for (int i = 0; i < regionLength; i++)
{
swAlarm.WriteLine(string.Format("{0},{1},{2},{3},{4}", alarm.AlarmRegion[i].X,
alarm.AlarmRegion[i].Y,
alarm.AlarmRegion[i].Width,
alarm.AlarmRegion[i].Height,
(int)alarm.AlarmRegionType[i]
));
}
}
}
return true;
}
public GroupInfo[] ReadGroups(string area, string device, DateTime date)
{
string root = FileConfigReader.SingleConfig[area, device]["event"];
if (root == string.Empty) return new GroupInfo[0] ;
List<GroupInfo> groups = new List<GroupInfo>();
//获取指定日期的报警组列表
DirectoryInfo di = new DirectoryInfo(FilePath.GetDatePath(root, area, device, date));
if (!di.Exists) return new GroupInfo[0];
DirectoryInfo[] diGroups = di.GetDirectories();
foreach (DirectoryInfo diGroup in diGroups)
{
FileInfo[] fiGroups = diGroup.GetFiles("*.group");
if (fiGroups.Length == 0) continue;
using (StreamReader srGroup = new StreamReader(fiGroups[0].FullName))
{//读取所有报警信息
long groupID;
if (!long.TryParse(srGroup.ReadLine(), out groupID)) continue;
string groupArea = srGroup.ReadLine();
string groupDevice = srGroup.ReadLine();
short horizon;
if (!short.TryParse(srGroup.ReadLine(), out horizon)) continue;
short vertical;
if (!short.TryParse(srGroup.ReadLine(), out vertical)) continue;
int analyzeCount;
if (!int.TryParse(srGroup.ReadLine(), out analyzeCount)) continue;
int eventOperate;
if (!int.TryParse(srGroup.ReadLine(), out eventOperate)) continue;
string[] alarmIDs = srGroup.ReadToEnd().Split(new char[]{'\r','\n'}, StringSplitOptions.RemoveEmptyEntries);
GroupInfo group = new GroupInfo(groupID,groupArea,groupDevice,horizon,vertical,analyzeCount);
long alarmID;
//DateTime groupTime = new DateTime(groupID);
foreach (string id in alarmIDs)
{
if (!long.TryParse(id, out alarmID)) continue;
DateTime alarmTime = new DateTime(alarmID);
//获取指定报警信息路径
string alarmFile = FilePath.GetDateTimePathTimeFile(root, area, device, group.GroupTime, alarmTime, "alarm");
if (!File.Exists(alarmFile)) continue;
using (StreamReader srAlarm = new StreamReader(alarmFile))
{
long groupid;
if (!long.TryParse(srAlarm.ReadLine(), out groupid) || groupid != groupID) continue;
int frameIndex;
if (!int.TryParse(srAlarm.ReadLine(), out frameIndex)) continue;
long alarmid;
if (!long.TryParse(srAlarm.ReadLine(), out alarmid) || alarmid != alarmID) continue;
string[] regionAndType = srAlarm.ReadToEnd().Split('\n');
Rectangle[] regions = new Rectangle[regionAndType.Length];
int[] regionTypes = new int[regionAndType.Length];
for (int i = 0; i < regionAndType.Length; i++)
{
string[] XYWHT = regionAndType[i].Split(',');
if (XYWHT.Length != 5) continue;
int x, y, w, h, t;
if (!int.TryParse(XYWHT[0], out x)) continue;
if (!int.TryParse(XYWHT[1], out y)) continue;
if (!int.TryParse(XYWHT[2], out w)) continue;
if (!int.TryParse(XYWHT[3], out h)) continue;
if (!int.TryParse(XYWHT[4], out t)) continue;
regions[i] = new Rectangle(x, y, w, h);
regionTypes[i] = t;
}
AlarmInfo alarm = new AlarmInfo(groupid, frameIndex, alarmid, regions, regionTypes);
group.Add(alarm);
}
}
groups.Add(group);
}
}
return groups.ToArray();
}
void analyzeStrategy_AnalyzeAlarm(object sender, IAnalyze.EventArgsAnalyzeAlarm e)
{
if (this.group != null)
{
AlarmInfo alarm = new AlarmInfo(this.group.GroupTime, e.FrameIndex, e.AlarmTime, e.AlarmRegion, e.AlarmRegionType);
//保存报警
if (this.alarmWriter.WriteAlarm(this.group, alarm, e.AlarmFrame))
{
//添加报警
if (this.group!= null) this.group.Add(alarm);
OnAnalyzeAlarm(new AlarmEventArgs(this.group, alarm), e.AlarmFrame);
}
e.AlarmFrame.Dispose();
}
}
public AlarmEventArgs(GroupInfo group, AlarmInfo alarm)
{
this.Group = group;
this.Alarm = alarm;
}
/// <summary>
/// 向报警帧组ID中加入一个报警信息
/// </summary>
/// <param name="id">报警帧ID</param>
/// <param name="eventInfo">报警信息</param>
public void Add(AlarmInfo alarm)
{
long id = alarm.AlarmTime.Ticks;
if (!this.alarmInfos.ContainsKey(id))
{
this.alarmInfos.Add(id, alarm);
this.alarmIDs.Add(id);
}
}