private void PerformAcDcEncoding()
{
_dcYValues = AcDcEncoder.GetAllDCs(_image.GetChannel1());
GetDcCbCrValues();
_acYValues = AcDcEncoder.GetAllACs(_image.GetChannel1());
GetAcCbCrValues();
}
private void WriteAcDcEncodedBlock(ColorChannel channel, int xOfChannel, int yOfChannel,
Dictionary <int, CodeWord> dcCodeBook,
Dictionary <int, CodeWord> acCodeBook)
{
DcCategoryEncodedPair dc = AcDcEncoder.CalculateDifferenceDc(channel,
channel
.GetPlainIndexOfBlock(
xOfChannel,
yOfChannel));
List <AcRunlengthEncodedPair> acRunLengthEncodedPairs =
AcDcEncoder.EncodeRunlength(Util.ZigzagSort(channel.GetBlock(xOfChannel,
yOfChannel)));
List <AcCategoryEncodedPair> acCategoryEncodedPairs = AcDcEncoder.EncodeCategoriesAc(
acRunLengthEncodedPairs);
AcDcEncoder.WriteDcCoefficient(BitStream, dc, dcCodeBook);
AcDcEncoder.WriteAcCoefficients(BitStream, acCategoryEncodedPairs, acCodeBook);
}
private void GetAcCbCrValues()
{
_acCbValues = AcDcEncoder.GetAllACs(_image.GetChannel2());
_acCrValues = AcDcEncoder.GetAllACs(_image.GetChannel3());
}
private void GetDcCbCrValues()
{
_dcCbValues = AcDcEncoder.GetAllDCs(_image.GetChannel2());
_dcCrValues = AcDcEncoder.GetAllDCs(_image.GetChannel3());
}
