imgblkwtdata.h

jpeg 2000 压缩算法源代码 核心ebcot

_pHeadBuffer->writeWord((WORD)m_nLayerNums);

	CSiz BlkSizeDef=m_pEncoderSpec->pBlkSize->GetTileDef(nTileNumber);

	int BlkWidthDef,BlkHeightDef;
	BlkWidthDef=BlkSizeDef.GetWidth();
	BlkHeightDef=BlkSizeDef.GetHeight();

	BYTE temp=0;
	temp=(BYTE)(BlkWidthDef-2);
	m_pHeadBuffer->writeByte(temp);
	
	temp=(BYTE)(BlkHeightDef-2);
	m_pHeadBuffer->writeByte(temp);


	temp=0;

	if (m_pEncoderSpec->pBypass->GetTileDef(nTileNumber))
	{
		temp|=OPT_BYPASS;
	}

	if (m_pEncoderSpec->pMQReset->GetTileDef(nTileNumber))
	{
		temp|=OPT_RESET_MQ;

	}
	if (m_pEncoderSpec->pRegTerm->GetTileDef(nTileNumber))
	{
		temp|=OPT_REG_TERM;
	}

	if (m_pEncoderSpec->pVerStripeCasual->GetTileDef(nTileNumber))
	{
		temp|=OPT_VERT_STR_CAUSAL;
	}

	if (m_pEncoderSpec->pMQTermType->GetTileDef(nTileNumber)==TERM_PRED_ER)
	{
		temp|= OPT_ER_TERM;
	}

	if (m_pEncoderSpec->pSegSymbol->GetTileDef(nTileNumber))
	{
		temp|=OPT_SEG_MARKERS;
	}
	
	m_pHeadBuffer->writeByte(temp);

	temp=0;
	
	if (m_pEncoderSpec->pWTFilter->GetTileDef(nTileNumber)==INT53)
	{
		temp=1;

	}

	m_pHeadBuffer->writeByte(temp);

	temp=0;
	
	if (m_pEncoderSpec->pCompTransfType->GetTileDef(nTileNumber)==RCT)
	{
		temp=1;
	}
	else
		if (m_pEncoderSpec->pCompTransfType->GetTileDef(nTileNumber)==ICT)
		{
			temp=2;
		}

	m_pHeadBuffer->writeByte(temp);

	if (bPrecinctUsed)
	{
		
		CSizVector *PrecinctSizeDef=&(m_pEncoderSpec->pPrecinctSize->GetTileDef(nTileNumber));

		int veclenth=PrecinctSizeDef->GetSize();

		int lev;
		int nPPX,nPPY;
		CSiz resPrecinct;
		int tt=0;

		for (lev=nDecLev;lev>=0;lev--)
		{
			temp=0;
			tt=0;

			if (lev>=veclenth)
			{
				resPrecinct=PrecinctSizeDef->GetAt(veclenth-1);
			}
			else
			{
				resPrecinct=PrecinctSizeDef->GetAt(lev);
			}
				
			nPPX=resPrecinct.GetWidth();
			nPPY=resPrecinct.GetHeight();


			
			nPPX