private IDictionary <int, byte[]> GetImages(DataType dt, int second)
{
try
{
IDictionary <int, byte[]> ret = new Dictionary <int, byte[]>();
if (screenIndexList == null)
{
if (colhelperScreenImage == null)
{
colhelperScreenImage = GetCOLFilerHelper(dt);
}
screenIndexList = colhelperScreenImage.GetIndexList();
}
List <Index> screenImageIndexs = screenIndexList.GetImageIndexBySecond(second);
foreach (Index index in screenImageIndexs)
{
byte[] buf = colhelperScreenImage.SeekData(index.DataOffset, (int)index.DataLength);
ret.Add(new KeyValuePair <int, byte[]>((index.Row * Constants.MAX_ROW_NO + index.Col), buf));
}
return(ret);
}
catch (Exception ex)
{
return(null);
}
finally
{
}
}
private List <WBLine> GetWhiteBoardImage(DataType dt, int second)
{
try
{
if (wbImageIndexs == null)
{
if (colhelperWbImage == null)
{
colhelperWbImage = GetCOLFilerHelper(dt, false);
}
IndexList list = colhelperWbImage.GetIndexList();
wbImageIndexs = list.GetIndexList();
}
IDictionary <int, int> mapIndex = GetIndexMapByMinute(wbImageIndexs);
List <WBLine> lines = new List <WBLine>();
TimeSpan tspan = TimeSpan.FromSeconds(second);
lines = GetDataList <WBLine>(colhelperWbImage, wbImageIndexs, mapIndex, WBLine.StreamSize, tspan);
return(lines);
}
catch (Exception ex)
{
return(null);
}
finally
{
}
}
private List <WBEvent> GetWhiteBoardSequence(DataType dt, int ts)
{
try
{
if (wbSequenceIndexs == null)
{
if (colhelperWbSequence == null)
{
colhelperWbSequence = GetCOLFilerHelper(dt, true);
}
IndexList list = colhelperWbSequence.GetIndexList();
wbSequenceIndexs = list.GetIndexList();
}
IDictionary <int, int> mapIndex = GetIndexMapByMinute(wbSequenceIndexs);
List <WBEvent> events = new List <WBEvent>();
TimeSpan tspan = TimeSpan.FromSeconds(ts);
events = GetDataList <WBEvent>(colhelperWbSequence, wbSequenceIndexs, mapIndex, WBEvent.StreamSize, tspan);
return(events);
}
catch (Exception ex)
{
return(null);
}
finally
{
}
}