public MemoryStream GetMemoryStream()
{
MemoryStream aresult = null;
if (FStream.Length > 0)
{
if (FDecompStream != null)
{
aresult = FDecompStream;
}
else
{
FStream.Seek(0, SeekOrigin.Begin);
if (StreamUtil.IsCompressed(FStream))
{
#if REPMAN_ZLIB
FStream.Seek(0, SeekOrigin.Begin);
StreamUtil.DeCompressStream(FStream, FDecompStream);
aresult = FDecompStream;
#else
throw new UnNamedException("REPMAN_ZLIB not defined compressed streams not supported");
#endif
}
else
{
aresult = FStream;
}
}
}
return(aresult);
}
public MemoryStream GetStream()
{
MemoryStream aresult = null;
if (Expression.Length > 0)
{
aresult = Report.Evaluator.GetStreamFromExpression(Expression);
if (aresult != null)
{
if (FOldStream != null)
{
if (FOldStream.Length == aresult.Length)
{
if (SharedImage == SharedImageType.Variable)
{
byte[] sx = FOldStream.ToArray();
byte[] sy = aresult.ToArray();
for (int i = 0; i < FOldStream.Length; i++)
{
if (sx[i] != sy[i])
{
OldStreamPos = -1;
break;
}
}
}
else
{
OldStreamPos = -1;
}
}
else
{
OldStreamPos = -1;
}
}
}
}
else
{
if (FStream.Length > 0)
{
if (FOldStream != null)
{
aresult = FOldStream;
}
else
{
FStream.Seek(0, SeekOrigin.Begin);
if (StreamUtil.IsCompressed(FStream))
{
#if REPMAN_ZLIB
FStream.Seek(0, SeekOrigin.Begin);
StreamUtil.DeCompressStream(FStream, FDecompStream);
aresult = FDecompStream;
#else
throw new UnNamedException("REPMAN_ZLIB not defined compressed streams not supported");
#endif
}
else
{
aresult = FStream;
}
}
}
}
FOldStream = aresult;
return(aresult);
}