Exemplos de FindComponentDimensions em C++ (Cpp)

Exemplo n.º 1

Arquivo: aclosslessscan.cpp Projeto: takaxp/libjpeg

/// ACLosslessScan::StartParseScan
void ACLosslessScan::StartParseScan(class ByteStream *io,class BufferCtrl *ctrl)
{
  class ACTemplate *dc;
  int i;

  FindComponentDimensions();
  
  for(i = 0;i < m_ucCount;i++) {
    dc = m_pScan->DCConditionerOf(i);
    if (dc) {
      m_ucSmall[i]    = dc->LowerThresholdOf();
      m_ucLarge[i]    = dc->UpperThresholdOf();
    } else {
      m_ucSmall[i]    = 0;
      m_ucLarge[i]    = 1;
    }
    memset(m_plDa[i],0,sizeof(LONG) * m_ucMCUHeight[i]);
    m_ucContext[i]    = m_pScan->DCTableIndexOf(i); 
  }
  for(i = 0;i < 4;i++) {
    m_Context[i].Init();
  }
  
  assert(ctrl->isLineBased());
  m_pLineCtrl = dynamic_cast<LineBuffer *>(ctrl);
  m_pLineCtrl->ResetToStartOfScan(m_pScan);
  m_Coder.OpenForRead(io);
}

Exemplo n.º 2

Arquivo: losslessscan.cpp Projeto: BJangeofan/libjpeg

/// LosslessScan::StartWriteScan
void LosslessScan::StartWriteScan(class ByteStream *io,class Checksum *chk,class BufferCtrl *ctrl)
{
#if ACCUSOFT_CODE
  int i;

  FindComponentDimensions();
  
  for(i = 0;i < m_ucCount;i++) {
    m_pDCCoder[i]       = m_pScan->DCHuffmanCoderOf(i);
    m_pDCStatistics[i]  = NULL;
  }
  
  assert(ctrl->isLineBased());
  m_pLineCtrl = dynamic_cast<LineBuffer *>(ctrl);
  m_pLineCtrl->ResetToStartOfScan(m_pScan); 

  EntropyParser::StartWriteScan(io,chk,ctrl);
  
  m_pScan->WriteMarker(io);
  m_Stream.OpenForWrite(io,chk); 

  m_bMeasure = false;
#else
  NOREF(io);
  NOREF(chk);
  NOREF(ctrl);
  JPG_THROW(NOT_IMPLEMENTED,"LosslessScan::StartWriteScan",
            "Lossless JPEG not available in your code release, please contact Accusoft for a full version");
#endif
}

Exemplo n.º 3

Arquivo: jpeglsscan.cpp Projeto: ObiVaNN/libjpeg

/// JPEGLSScan::StartParseScan 
// Fill in the tables for decoding and decoding parameters in general.
void JPEGLSScan::StartParseScan(class ByteStream *io,class BufferCtrl *ctrl)
{

  FindComponentDimensions();

  assert(ctrl->isLineBased());
  m_pLineCtrl = dynamic_cast<LineBuffer *>(ctrl);
  m_pLineCtrl->ResetToStartOfScan(m_pScan);
  m_Stream.OpenForRead(io);
}

Exemplo n.º 4

Arquivo: aclosslessscan.cpp Projeto: BJangeofan/libjpeg

/// ACLosslessScan::StartWriteScan
void ACLosslessScan::StartWriteScan(class ByteStream *io,class Checksum *chk,class BufferCtrl *ctrl)
{
#if ACCUSOFT_CODE
  class ACTemplate *dc;
  int i;

  FindComponentDimensions();

  for(i = 0;i < m_ucCount;i++) {
    dc = m_pScan->DCConditionerOf(i);

    if (dc) {
      m_ucSmall[i]    = dc->LowerThresholdOf();
      m_ucLarge[i]    = dc->UpperThresholdOf();
    } else {
      m_ucSmall[i]    = 0;
      m_ucLarge[i]    = 1;
    }  
    memset(m_plDa[i],0,sizeof(LONG) * m_ucMCUHeight[i]);
    memset(m_plDb[i],0,sizeof(LONG) * m_ulWidth[i]);
    m_ucContext[i]    = m_pScan->DCTableIndexOf(i); 
  }
  for(i = 0;i < 4;i++) {
    m_Context[i].Init();
  }
    
  assert(ctrl->isLineBased());
  m_pLineCtrl = dynamic_cast<LineBuffer *>(ctrl);
  m_pLineCtrl->ResetToStartOfScan(m_pScan); 

  EntropyParser::StartWriteScan(io,chk,ctrl);
  
  m_pScan->WriteMarker(io);
  m_Coder.OpenForWrite(io,chk);
#else 
  NOREF(io);
  NOREF(chk);
  NOREF(ctrl);
  JPG_THROW(NOT_IMPLEMENTED,"ACLosslessScan::StartWriteScan",
            "JPEG lossless not available your code release, please contact Accusoft for a full version");
#endif
}

Exemplo n.º 5

Arquivo: losslessscan.cpp Projeto: BJangeofan/libjpeg

/// LosslessScan::StartMeasureScan
void LosslessScan::StartMeasureScan(class BufferCtrl *ctrl)
{
#if ACCUSOFT_CODE
  int i;

  FindComponentDimensions();
  
  for(i = 0;i < m_ucCount;i++) {
    m_pDCCoder[i]       = NULL;
    m_pDCStatistics[i]  = m_pScan->DCHuffmanStatisticsOf(i);
  }
 
  assert(ctrl->isLineBased());
  m_pLineCtrl = dynamic_cast<LineBuffer *>(ctrl);
  m_pLineCtrl->ResetToStartOfScan(m_pScan);
  
  m_Stream.OpenForWrite(NULL,NULL);
  
  m_bMeasure = true;
#else
  NOREF(ctrl);
#endif
}