// Section 2.4.1.3.14
private static void PackCompressedChunkSignature(byte[] Data, DecompressionState state, CompressedChunkHeader header)
{
UInt16 temp = (UInt16)(header.AsUInt16() & (ushort)0x8FFF);
UInt16 result = (UInt16)(temp | (ushort)0x3000);
header.SetFrom(result);
}
// Section 2.4.1.3.16
private static void PackCompressedChunkFlag(byte[] Data, DecompressionState state, UInt16 CompressedFlag, CompressedChunkHeader header)
{
if (CompressedFlag != 0 && CompressedFlag != 1)
{
throw new ArgumentOutOfRangeException("CompressedFlag", "CompressedFlag must be 0 or 1");
}
UInt16 temp1 = (UInt16)(header.AsUInt16() & (ushort)0x7FFF);
UInt16 temp2 = (UInt16)(CompressedFlag << 15);
UInt16 result = (UInt16)(temp1 | temp2);
header.SetFrom(result);
}
// Section 2.4.1.3.13
// page 66
private static void PackCompressedChunkSize(byte[] Data, DecompressionState state, UInt16 size, CompressedChunkHeader header)
{
if (size > 4098 || size < 3)
{
throw new ArgumentOutOfRangeException("size", "Size must be between 3 - 4098");
}
UInt16 temp1 = (UInt16)(header.AsUInt16() & (ushort)(0xF000));
UInt16 temp2 = (UInt16)(size - 3);
UInt16 result = (UInt16)(temp1 | temp2);
header.SetFrom(result);
}