/// <summary>
/// It decode subcodec layer byte stream into CLEARCODEC_SUBCODECS_DATA structure.
/// </summary>
/// <param name="subcodecData">The structure that decode result save to.</param>
/// <returns>true if decode success, otherwise return false.</returns>
public bool Decode(ref CLEARCODEC_SUBCODEC_DATA subcodecData)
{
if (decodeData == null) return false;
List<CLEARCODEC_SUBCODEC> subcodecList = new List<CLEARCODEC_SUBCODEC>();
while (offset < decodeData.Count())
{
CLEARCODEC_SUBCODEC subcodec = new CLEARCODEC_SUBCODEC();
if (!DecodeSubcodec(ref subcodec)) return false;
subcodecList.Add(subcodec);
}
subcodecData.subcodecArr = subcodecList.ToArray();
return true;
}
/// <summary>
/// Convert CLEARCODEC_SUBCODEC structure into byte stream.
/// </summary>
/// <param name="scStruct">The encoded CLEARCODEC_SUBCODEC structure.</param>
public byte[] ToBytes(CLEARCODEC_SUBCODEC_DATA subcodecsData)
{
List <byte> bufList = new List <byte>();
if (subcodecsData.subcodecArr == null)
{
return(null);
}
for (int i = 0; i < subcodecsData.subcodecArr.Count(); i++)
{
bufList.AddRange(ToBytes(subcodecsData.subcodecArr[i]));
}
return(bufList.ToArray());
}
/// <summary>
/// It decode subcodec layer byte stream into CLEARCODEC_SUBCODECS_DATA structure.
/// </summary>
/// <param name="subcodecData">The structure that decode result save to.</param>
/// <returns>true if decode success, otherwise return false.</returns>
public bool Decode(ref CLEARCODEC_SUBCODEC_DATA subcodecData)
{
if (decodeData == null)
{
return(false);
}
List <CLEARCODEC_SUBCODEC> subcodecList = new List <CLEARCODEC_SUBCODEC>();
while (offset < decodeData.Count())
{
CLEARCODEC_SUBCODEC subcodec = new CLEARCODEC_SUBCODEC();
if (!DecodeSubcodec(ref subcodec))
{
return(false);
}
subcodecList.Add(subcodec);
}
subcodecData.subcodecArr = subcodecList.ToArray();
return(true);
}
/// <summary>
/// Encode multiple bitmap areas via subcodec into byte stream
/// </summary>
/// <param name="bandDict">The structure saves multiple subcodec layer bitmap, subcodecID and position.</param>
public static CLEARCODEC_SUBCODEC_DATA Encode(Dictionary <ClearCodec_RECT16, BMP_INFO> subcodecDict)
{
List <CLEARCODEC_SUBCODEC> subcodecList = new List <CLEARCODEC_SUBCODEC>();
foreach (KeyValuePair <ClearCodec_RECT16, BMP_INFO> scArea in subcodecDict)
{
CLEARCODEC_SUBCODEC scData = new CLEARCODEC_SUBCODEC();
if (!EncodeSubcodec((Bitmap)(scArea.Value.bmp), scArea.Key, scArea.Value.scID, ref scData))
{
// skip a subcodec layer bitmap if it failed to be encoded.
continue;
}
subcodecList.Add(scData);
}
CLEARCODEC_SUBCODEC_DATA subcodecs = new CLEARCODEC_SUBCODEC_DATA();
subcodecs.subcodecArr = subcodecList.ToArray();
return(subcodecs);
}
/// <summary>
/// Encode multiple bitmap areas via subcodec into byte stream
/// </summary>
/// <param name="bandDict">The structure saves multiple subcodec layer bitmap, subcodecID and position.</param>
public static CLEARCODEC_SUBCODEC_DATA Encode(Dictionary<ClearCodec_RECT16, BMP_INFO> subcodecDict)
{
List<CLEARCODEC_SUBCODEC> subcodecList = new List<CLEARCODEC_SUBCODEC>();
foreach (KeyValuePair<ClearCodec_RECT16, BMP_INFO> scArea in subcodecDict)
{
CLEARCODEC_SUBCODEC scData = new CLEARCODEC_SUBCODEC();
if (!EncodeSubcodec((Bitmap)(scArea.Value.bmp), scArea.Key, scArea.Value.scID, ref scData))
{
// skip a subcodec layer bitmap if it failed to be encoded.
continue;
}
subcodecList.Add(scData);
}
CLEARCODEC_SUBCODEC_DATA subcodecs = new CLEARCODEC_SUBCODEC_DATA();
subcodecs.subcodecArr = subcodecList.ToArray();
return subcodecs;
}
/// <summary>
/// Convert CLEARCODEC_SUBCODEC structure into byte stream.
/// </summary>
/// <param name="scStruct">The encoded CLEARCODEC_SUBCODEC structure.</param>
public byte[] ToBytes(CLEARCODEC_SUBCODEC_DATA subcodecsData)
{
List<byte> bufList = new List<byte>();
if (subcodecsData.subcodecArr == null) return null;
for (int i = 0; i < subcodecsData.subcodecArr.Count(); i++)
{
bufList.AddRange(ToBytes(subcodecsData.subcodecArr[i]));
}
return bufList.ToArray();
}
/// <summary>
/// Encode the residual, band, and subcodec layer images into a bytestream.
/// </summary>
public byte[] EncodeCompositePayload()
{
List <byte> buf = new List <byte>();
if (resBmp != null)
{
CLEARCODEC_RESIDUAL_DATA resData = ClearCodecResidualEncoder.Encode(resBmp);
compPayload.residualData = ToBytes(resData);
if (compPayload.residualData == null)
{
return(null);
}
compPayload.residualByteCount = (uint)compPayload.residualData.Count();
}
else
{
compPayload.residualByteCount = 0;
compPayload.residualData = null;
}
if (bandDict.Count() != 0) // Band image are loaded before.
{
ClearCodecBandEncoder bandencoder = ClearCodecBandEncoder.GetInstance();
if ((this.flags & ClearCodec_BitmapStream.CLEARCODEC_FLAG_CACHE_RESET) != 0)
{
bandencoder.ResetVBarStorage();
}
CLEARCODEC_BAND_DATA bandsData = bandencoder.Encode(bandDict);
compPayload.bandData = ToBytes(bandsData);
if (compPayload.bandData == null)
{
return(null);
}
compPayload.bandByteCount = (uint)compPayload.bandData.Count();
}
else
{
compPayload.bandByteCount = 0;
compPayload.bandData = null;
}
if (subcodecDict.Count() != 0) // Subcodec image are loaded before.
{
CLEARCODEC_SUBCODEC_DATA subcodecs = ClearCodecSubCodecEncoder.Encode(subcodecDict);
compPayload.subcodecData = ToBytes(subcodecs);
if (compPayload.subcodecData == null)
{
return(null);
}
compPayload.subcodecByteCount = (uint)compPayload.subcodecData.Count();
}
else
{
compPayload.subcodecByteCount = 0;
compPayload.subcodecData = null;
}
buf.AddRange(TypeMarshal.ToBytes <uint>(compPayload.residualByteCount));
buf.AddRange(TypeMarshal.ToBytes <uint>(compPayload.bandByteCount));
buf.AddRange(TypeMarshal.ToBytes <uint>(compPayload.subcodecByteCount));
if (compPayload.residualByteCount > 0)
{
buf.AddRange(compPayload.residualData);
}
if (compPayload.bandByteCount > 0)
{
buf.AddRange(compPayload.bandData);
}
if (compPayload.subcodecByteCount > 0)
{
buf.AddRange(compPayload.subcodecData);
}
return(buf.ToArray());
}