#include <IccSparseMatrix.h>

Collaboration diagram for CIccSparseMatrix:

Public Member Functions
	CIccSparseMatrix (const CIccSparseMatrix &mtx)

	CIccSparseMatrix (void *pMatrix=NULL, icUInt32Number nSize=0, icSparseMatrixType nType=((icSparseMatrixType) 0x0000), bool bInitFromData=false)

void	Clear ()

icUInt16Number	Cols () const

bool	Copy (const CIccSparseMatrix &mtx)

bool	FillFromFullMatrix (icFloatNumber *pData)

icUInt16Number *	GetColumnsForRow (icUInt16Number nRow=0) const

IIccSparseMatrixEntry *	GetData () const

icUInt32Number	GetMaxEntries ()

icUInt16Number	GetNumEntries () const

icUInt16Number	GetNumRowColumns (icUInt16Number nRow) const

icUInt16Number	GetRowOffset (icUInt16Number nRow=0)

icUInt16Number *	GetRowStart () const

bool	Init (icUInt16Number nRows, icUInt16Number nCols, bool bSetData=false)

bool	Interp (icFloatNumber d1, const CIccSparseMatrix &mtx1, icFloatNumber d2, const CIccSparseMatrix &mtx2)

bool	IsValid ()

bool	MultiplyVector (icFloatNumber pResult, const icFloatNumber pVector) const

CIccSparseMatrix &	operator= (const CIccSparseMatrix &mtx)

void	Reset (void *pMatrix, icUInt32Number nSize, icSparseMatrixType nType, bool bInitFromData=true)

icUInt16Number	Rows () const

bool	Union (const CIccSparseMatrix &mtx1, const CIccSparseMatrix &mtx2)

virtual	~CIccSparseMatrix (void)

Static Public Member Functions
static icUInt8Number	EntrySize (icSparseMatrixType nType)

static icUInt32Number	MaxEntries (icUInt32Number nMemSize, icUInt16Number nRows, icSparseMatrixType nType)

static icUInt32Number	MaxEntries (icUInt32Number nMemSize, icUInt16Number nRows, icUInt8Number nTypeSize)

static icUInt32Number	MemSize (icUInt32Number nMaxEntries, icUInt16Number nRows, icSparseMatrixType nType)

static icUInt32Number	MemSize (icUInt32Number nMaxEntries, icUInt16Number nRows, icUInt8Number nTypeSize)

Protected Attributes
icUInt16Number *	m_ColumnIndices

IIccSparseMatrixEntry *	m_Data

icUInt16Number	m_nCols

icUInt32Number	m_nMaxEntries

icUInt32Number	m_nRawSize

icUInt16Number	m_nRows

icSparseMatrixType	m_nType

icUInt8Number *	m_pMatrix

icUInt16Number *	m_RowStart

Detailed Description

Definition at line 153 of file IccSparseMatrix.h.

Constructor & Destructor Documentation

◆ CIccSparseMatrix() [1/2]

CIccSparseMatrix::CIccSparseMatrix	(	void *	pMatrix = NULL,
		icUInt32Number	nSize = 0,
		icSparseMatrixType	nType = ((icSparseMatrixType)0x0000),
		bool	bInitFromData = false )

Definition at line 5 of file IccSparseMatrix.cpp.

{
  m_pMatrix = (unsigned char*)pMatrix;
  m_nRawSize = nSize;
  m_nType = nType;
  m_Data = NULL;
 
  if (bInitFromData) {
    icUInt16Number nRows = *((icUInt16Number*)pMatrix);
    icUInt16Number nCols = *((icUInt16Number*)(m_pMatrix+sizeof(icUInt16Number)));
    Init(nRows, nCols);
  }
  else {
    m_nRows = 0;
    m_nCols = 0;
    m_nMaxEntries = 0;
    m_RowStart = NULL;
    m_ColumnIndices = NULL;
  }
}

References Init(), m_ColumnIndices, m_Data, m_nCols, m_nMaxEntries, m_nRawSize, m_nRows, m_nType, m_pMatrix, and m_RowStart.

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◆ CIccSparseMatrix() [2/2]

CIccSparseMatrix::CIccSparseMatrix ( const CIccSparseMatrix & mtx )

Definition at line 26 of file IccSparseMatrix.cpp.

{
  m_pMatrix = mtx.m_pMatrix;
  m_nRawSize = mtx.m_nRawSize;
  m_nType = mtx.m_nType;
 
  if (mtx.m_Data) {
    switch (m_nType) {
    case icSparseMatrixUInt8:
      m_Data = new CIccSparseMatrixUInt8();
      break;
    case icSparseMatrixUInt16:
      m_Data = new CIccSparseMatrixUInt16();
      break;
    case icSparseMatrixFloat16:
      m_Data = new CIccSparseMatrixFloat16();
      break;
    case icSparseMatrixFloat32:
      m_Data = new CIccSparseMatrixFloat32();
      break;
    case icSparseMatrixFloatNum:
      m_Data = new CIccSparseMatrixFloatNum();
    default:
      m_Data = NULL;
    }
  }
 
  if (m_Data) {
    Init(mtx.m_nRows, mtx.m_nCols);  
  }
  else {
    m_nRows = 0;
    m_nCols = 0;
    m_nMaxEntries = 0;
    m_RowStart = NULL;
    m_ColumnIndices = NULL;
  }
}

References icSparseMatrixFloat16, icSparseMatrixFloat32, icSparseMatrixFloatNum, icSparseMatrixUInt16, icSparseMatrixUInt8, Init(), m_ColumnIndices, m_Data, m_nCols, m_nMaxEntries, m_nRawSize, m_nRows, m_nType, m_pMatrix, and m_RowStart.

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◆ ~CIccSparseMatrix()

CIccSparseMatrix::~CIccSparseMatrix ( void )

virtual

Definition at line 65 of file IccSparseMatrix.cpp.

{
  if (m_Data)
    delete m_Data;
}

References m_Data.

Member Function Documentation

◆ Clear()

void CIccSparseMatrix::Clear ( )

Definition at line 213 of file IccSparseMatrix.cpp.

{
  memset(m_pMatrix + 2*sizeof(icUInt16Number), 0, m_nRawSize-2*sizeof(icUInt16Number));
}

References m_nRawSize, and m_pMatrix.

Referenced by FillFromFullMatrix().

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◆ Cols()

icUInt16Number CIccSparseMatrix::Cols ( ) const

inline

Definition at line 164 of file IccSparseMatrix.h.

164{ return m_nCols; }

Referenced by CIccTagSparseMatrixArray::Interpolate(), CIccTagXmlSparseMatrixArray::ToXml(), and CIccTagSparseMatrixArray::Validate().

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◆ Copy()

bool CIccSparseMatrix::Copy ( const CIccSparseMatrix & mtx )

Definition at line 218 of file IccSparseMatrix.cpp.

{
  if (!mtx.m_Data || !mtx.m_pMatrix)
    return false;
 
  if (!Init(mtx.m_nRows, mtx.m_nCols))
    return false;
 
  memcpy(m_RowStart, mtx.m_RowStart, (m_nRows+1)*sizeof(icUInt32Number));
  icUInt32Number nEntries = m_RowStart[m_nRows];
  icUInt32Number i;
 
  for (i=0; i<nEntries; i++) {
    m_Data->set(i, mtx.m_Data->get(i));
  }
 
  return true;
}

References IIccSparseMatrixEntry::get(), Init(), m_Data, m_nCols, m_nRows, m_pMatrix, m_RowStart, and IIccSparseMatrixEntry::set().

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◆ EntrySize()

icUInt8Number CIccSparseMatrix::EntrySize ( icSparseMatrixType nType )

static

Definition at line 511 of file IccSparseMatrix.cpp.

{
  switch(nType) {
    case icSparseMatrixUInt8:
      return sizeof(icUInt8Number);
 
    case icSparseMatrixUInt16:
      return sizeof(icUInt16Number);
 
    case icSparseMatrixFloat16:
      return sizeof(icFloat16Number);
 
    case icSparseMatrixFloat32:
      return sizeof(icFloat16Number);
 
    case icSparseMatrixFloatNum:
      return sizeof(icFloatNumber);
 
    default:
      break;
  }
 
  return 0;
}

References icSparseMatrixFloat16, icSparseMatrixFloat32, icSparseMatrixFloatNum, icSparseMatrixUInt16, and icSparseMatrixUInt8.

◆ FillFromFullMatrix()

bool CIccSparseMatrix::FillFromFullMatrix ( icFloatNumber * pData )

Definition at line 237 of file IccSparseMatrix.cpp.

{
  if (!m_Data)
    return false;
 
  Clear();
 
  int r, c;
  icUInt32Number nEntry = 0;
 
  for (r=0; r<(int)m_nRows; r++) {
    m_RowStart[r] = (icUInt16Number)nEntry;
    for (c=0; c<(int)m_nCols; c++) {
      if (icNotZero(*pData)) {
        if (nEntry+1 > m_nMaxEntries)
          return false;
        m_ColumnIndices[nEntry] = c;
        m_Data->set(nEntry, *pData);
        nEntry++;
      }
      pData++;
    }
  }
  m_RowStart[r] = (icUInt16Number)nEntry;
 
  return true;
}

References Clear(), icNotZero, m_ColumnIndices, m_Data, m_nCols, m_nMaxEntries, m_nRows, m_RowStart, and IIccSparseMatrixEntry::set().

Referenced by CIccTagXmlSparseMatrixArray::ParseXml().

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◆ GetColumnsForRow()

icUInt16Number * CIccSparseMatrix::GetColumnsForRow ( icUInt16Number nRow = 0 ) const

inline

Definition at line 182 of file IccSparseMatrix.h.

182{ return &m_ColumnIndices[m_RowStart[nRow]]; }

Referenced by CIccTagSparseMatrixArray::Describe(), CIccTagXmlSparseMatrixArray::ParseXml(), CIccTagSparseMatrixArray::Read(), and CIccTagXmlSparseMatrixArray::ToXml().

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◆ GetData()

IIccSparseMatrixEntry * CIccSparseMatrix::GetData ( ) const

inline

Definition at line 184 of file IccSparseMatrix.h.

184{ return m_Data; }

Referenced by CIccTagSparseMatrixArray::Describe(), CIccTagXmlSparseMatrixArray::ParseXml(), CIccTagSparseMatrixArray::Read(), and CIccTagXmlSparseMatrixArray::ToXml().

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◆ GetMaxEntries()

icUInt32Number CIccSparseMatrix::GetMaxEntries ( )

inline

Definition at line 186 of file IccSparseMatrix.h.

186{ return m_nMaxEntries; }

Referenced by CIccTagXmlSparseMatrixArray::ParseXml().

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◆ GetNumEntries()

icUInt16Number CIccSparseMatrix::GetNumEntries ( ) const

inline

Definition at line 178 of file IccSparseMatrix.h.

178{return m_RowStart ? m_RowStart[m_nRows] : 0;}

Referenced by CIccTagSparseMatrixArray::Read(), and CIccTagSparseMatrixArray::Validate().

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◆ GetNumRowColumns()

icUInt16Number CIccSparseMatrix::GetNumRowColumns ( icUInt16Number nRow ) const

inline

Definition at line 183 of file IccSparseMatrix.h.

183{ return (icUInt16Number)(m_RowStart[nRow+1] - m_RowStart[nRow]); }

Referenced by CIccTagXmlSparseMatrixArray::ToXml().

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◆ GetRowOffset()

icUInt16Number CIccSparseMatrix::GetRowOffset ( icUInt16Number nRow = 0 )

inline

Definition at line 180 of file IccSparseMatrix.h.

180{ return m_RowStart[nRow]; }

Referenced by CIccTagXmlSparseMatrixArray::ToXml().

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◆ GetRowStart()

icUInt16Number * CIccSparseMatrix::GetRowStart ( ) const

inline

Definition at line 179 of file IccSparseMatrix.h.

179{ return m_RowStart; }

Referenced by CIccTagSparseMatrixArray::Describe(), and CIccTagXmlSparseMatrixArray::ParseXml().

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◆ Init()

bool CIccSparseMatrix::Init	(	icUInt16Number	nRows,
		icUInt16Number	nCols,
		bool	bSetData = false )

Definition at line 138 of file IccSparseMatrix.cpp.

{
  if (!m_pMatrix)
    return false;
 
  icUInt16Number *Dim = (icUInt16Number*)m_pMatrix;
 
  if (m_Data)
    delete m_Data;
 
  switch (m_nType) {
    case icSparseMatrixUInt8:
      m_Data = new CIccSparseMatrixUInt8();
      break;
    case icSparseMatrixUInt16:
      m_Data = new CIccSparseMatrixUInt16();
      break;
    case icSparseMatrixFloat16:
      m_Data = new CIccSparseMatrixFloat16();
      break;
    case icSparseMatrixFloat32:
      m_Data = new CIccSparseMatrixFloat32();
      break;
    case icSparseMatrixFloatNum:
      m_Data = new CIccSparseMatrixFloatNum();
      break;
    default:
      m_nRows = 0;
      m_nCols = 0;
      if (bSetData) {
        Dim[0] = 0;
        Dim[1] = 0;
      }
      m_Data = NULL;
      m_RowStart = NULL;
      m_ColumnIndices = NULL;
      m_nMaxEntries = 0;
      return false;
  }
  m_nRows = nRows;
  m_nCols = nCols;
  if (bSetData) {
    Dim[0] = nRows;
    Dim[1] = nCols;
  }
 
  icUInt32Number coloffset = 2*sizeof(icUInt16Number) + (nRows+1)*sizeof(icUInt32Number);
  icUInt16Number nTypeSize = m_Data->size();
 
  if (coloffset+(nTypeSize-1) >m_nRawSize) {
    m_nRows = 0;
    m_nCols = 0;
    if (bSetData) {
      Dim[0] = 0;
      Dim[1] = 0;
    }
    m_Data = NULL;
    m_RowStart = NULL;
    m_ColumnIndices = NULL;
    m_nMaxEntries = 0;
    return false;
  }
 
  m_nMaxEntries = (m_nRawSize - coloffset - (nTypeSize-1)) / (nTypeSize+sizeof(icUInt16Number));
 
  icUInt32Number dataoffset = ((icUInt32Number)((coloffset + m_nMaxEntries*sizeof(icUInt16Number) + nTypeSize-1) / nTypeSize)) * nTypeSize;
  
  m_RowStart = (icUInt16Number*)(m_pMatrix + 2*sizeof(icUInt16Number));
  m_ColumnIndices = (icUInt16Number*)(m_pMatrix + (3+m_nRows)*sizeof(icUInt16Number));
 
  m_Data->init(m_pMatrix+dataoffset);
 
  return true;
}

References icSparseMatrixFloat16, icSparseMatrixFloat32, icSparseMatrixFloatNum, icSparseMatrixUInt16, icSparseMatrixUInt8, IIccSparseMatrixEntry::init(), m_ColumnIndices, m_Data, m_nCols, m_nMaxEntries, m_nRawSize, m_nRows, m_nType, m_pMatrix, m_RowStart, and IIccSparseMatrixEntry::size().

Referenced by CIccSparseMatrix(), CIccSparseMatrix(), Copy(), Interp(), operator=(), CIccTagXmlSparseMatrixArray::ParseXml(), Reset(), Union(), and CIccTagSparseMatrixArray::Validate().

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◆ Interp()

bool CIccSparseMatrix::Interp	(	icFloatNumber	d1,
		const CIccSparseMatrix &	mtx1,
		icFloatNumber	d2,
		const CIccSparseMatrix &	mtx2 )

Definition at line 288 of file IccSparseMatrix.cpp.

{
  if (mtx1.m_nRows != mtx2.m_nRows || mtx1.m_nCols != mtx2.m_nCols)
    return false;
 
  if (mtx1.m_nRows != m_nRows || mtx2.m_nCols != m_nCols) {
    if (!Init(mtx1.m_nRows, mtx2.m_nCols))
      return false;
  }
 
  icUInt32Number pos=0;
  int r=0, i, j;
  int fA, fB, nA, nB, offA, offB, iA, iB;
 
  for (r=0; r<(int)m_nRows; r++) {
    fA = (int)mtx1.m_RowStart[r];
    fB = (int)mtx2.m_RowStart[r];
    nA = (int)(mtx1.m_RowStart[r+1] - fA);
    nB = (int)(mtx2.m_RowStart[r+1] - fA);
 
    m_RowStart[r] = (icUInt16Number)pos;
 
    if (nA && nB) {
      i=j=0;
 
      while(i<nA || j<nB) {
        if (pos >= m_nMaxEntries)
          return false;
 
        if (i<nA && j<nB) {
          offA = fA+i;
          offB = fB+j;
          iA = mtx1.m_ColumnIndices[offA];
          iB = mtx2.m_ColumnIndices[offB];
 
          if (iA<iB) {
            m_ColumnIndices[pos] = iA;
            m_Data->set(pos, d1*mtx1.m_Data->get(offA));
            i++;
          }
          else if (iB<iA) {
            m_ColumnIndices[pos] = iB;
            m_Data->set(pos, d2*mtx2.m_Data->get(offB));
            j++;
          }
          else {
            m_ColumnIndices[pos] = iA;
            m_Data->set(pos, d1*mtx1.m_Data->get(offA) + d2*mtx2.m_Data->get(offB));
            i++;
            j++;
          }
          pos++;
        }
        else if (i<nA) {
          offA = fA+i;
          iA = mtx1.m_ColumnIndices[offA];
 
          m_ColumnIndices[pos] = iA;
          m_Data->set(pos, d1 * mtx1.m_Data->get(offA));
        }
        else {
          offB = fB+j;
          iB = mtx2.m_ColumnIndices[offB];
 
          m_ColumnIndices[pos] = iB;
          m_Data->set(pos, d2 * mtx2.m_Data->get(offB));
        }
      }
    }
    else if (nA) {
      if (pos+nA >= m_nMaxEntries)
        return false;
 
      memcpy(&m_ColumnIndices[pos], &mtx1.m_ColumnIndices[fA], nA);
      
      for (i=0; i<nA; i++) {
        m_Data->set(pos++, d1 * mtx1.m_Data->get(fA+i));
      }
    }
    else if (nB) {
      if (pos+nB >= m_nMaxEntries)
        return false;
 
      memcpy(&m_ColumnIndices[pos], &mtx2.m_ColumnIndices[fB], nB);
 
      for (i=0; i<nB; i++) {
        m_Data->set(pos++, d2 * mtx2.m_Data->get(fB+i));
      }
    }
    m_RowStart[r]=(icUInt16Number)pos;
  }
 
  return true;
}

References IIccSparseMatrixEntry::get(), Init(), m_ColumnIndices, m_Data, m_nCols, m_nMaxEntries, m_nRows, m_RowStart, and IIccSparseMatrixEntry::set().

Referenced by CIccTagSparseMatrixArray::Interpolate().

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◆ IsValid()

bool CIccSparseMatrix::IsValid ( )

Definition at line 480 of file IccSparseMatrix.cpp.

{
  if (!m_Data || !m_RowStart || !m_ColumnIndices)
    return false;
 
  int r, i;
  for (r=0; r<(int)m_nRows; r++) {
    if (m_RowStart[r]>m_RowStart[r+1])
      return false;
 
    for (i=m_RowStart[r]; i<(int)m_RowStart[r+1]-1; i++) {
      if (m_ColumnIndices[i]>=m_ColumnIndices[i+1] || m_ColumnIndices[i]>m_nCols)
        return false;
    }
    if (m_ColumnIndices[i]>m_nCols)
      return false;
  }
  return true;
}

References m_ColumnIndices, m_Data, m_nCols, m_nRows, and m_RowStart.

Referenced by CIccTagSparseMatrixArray::Validate().

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◆ MaxEntries() [1/2]

static icUInt32Number CIccSparseMatrix::MaxEntries	(	icUInt32Number	nMemSize,
		icUInt16Number	nRows,
		icSparseMatrixType	nType )

inlinestatic

Definition at line 189 of file IccSparseMatrix.h.

189{return MaxEntries(nMemSize, nRows, EntrySize(nType));}

CIccSparseMatrix::MaxEntries

static icUInt32Number MaxEntries(icUInt32Number nMemSize, icUInt16Number nRows, icUInt8Number nTypeSize)

Definition IccSparseMatrix.cpp:500

CIccSparseMatrix::EntrySize

static icUInt8Number EntrySize(icSparseMatrixType nType)

Definition IccSparseMatrix.cpp:511

References MaxEntries().

Referenced by MaxEntries().

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◆ MaxEntries() [2/2]

icUInt32Number CIccSparseMatrix::MaxEntries	(	icUInt32Number	nMemSize,
		icUInt16Number	nRows,
		icUInt8Number	nTypeSize )

static

Definition at line 500 of file IccSparseMatrix.cpp.

{
  return (nMemSize - 4 - 4*(nRows+1) - (nTypeSize-1)) / (nTypeSize+2);
}

Referenced by CIccTagSparseMatrixArray::Read(), and CIccTagSparseMatrixArray::Validate().

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◆ MemSize() [1/2]

static icUInt32Number CIccSparseMatrix::MemSize	(	icUInt32Number	nMaxEntries,
		icUInt16Number	nRows,
		icSparseMatrixType	nType )

inlinestatic

Definition at line 191 of file IccSparseMatrix.h.

191{return MemSize(nMaxEntries, nRows, EntrySize(nType));}

CIccSparseMatrix::MemSize

static icUInt32Number MemSize(icUInt32Number nMaxEntries, icUInt16Number nRows, icUInt8Number nTypeSize)

Definition IccSparseMatrix.cpp:505

References MemSize().

Referenced by MemSize().

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◆ MemSize() [2/2]

icUInt32Number CIccSparseMatrix::MemSize	(	icUInt32Number	nMaxEntries,
		icUInt16Number	nRows,
		icUInt8Number	nTypeSize )

static

Definition at line 505 of file IccSparseMatrix.cpp.

{
  icUInt32Number off = ((4 + 4*(nRows+1) + 2*nMaxEntries + (nTypeSize-1))/nTypeSize)*nTypeSize;
  return off + nTypeSize*nMaxEntries;
}

◆ MultiplyVector()

bool CIccSparseMatrix::MultiplyVector	(	icFloatNumber *	pResult,
		const icFloatNumber *	pVector ) const

Definition at line 265 of file IccSparseMatrix.cpp.

{
  if (!m_Data)
    return false;
 
  int r;
  icUInt32Number e, le;
  icUInt16Number *ci=m_ColumnIndices;
 
  for (r=0, e=0; r<(int)m_nRows; r++) {
    icFloatNumber v=0.0f;
 
    le = m_RowStart[r+1];
 
    for (; e<le; e++, ci++) {
      v += m_Data->get(e)*pVector[*ci];
    }
    pResult[r]=v;
  }
  return true;
}

References IIccSparseMatrixEntry::get(), m_ColumnIndices, m_Data, m_nRows, and m_RowStart.

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◆ operator=()

CIccSparseMatrix & CIccSparseMatrix::operator= ( const CIccSparseMatrix & mtx )

Definition at line 71 of file IccSparseMatrix.cpp.

{
  m_pMatrix = mtx.m_pMatrix;
  m_nRawSize = mtx.m_nRawSize;
  m_nType = mtx.m_nType;
 
  if (mtx.m_Data) {
    if (m_Data)
      delete m_Data;
 
    switch (m_nType) {
    case icSparseMatrixUInt8:
      m_Data = new CIccSparseMatrixUInt8();
      break;
    case icSparseMatrixUInt16:
      m_Data = new CIccSparseMatrixUInt16();
      break;
    case icSparseMatrixFloat16:
      m_Data = new CIccSparseMatrixFloat16();
      break;
    case icSparseMatrixFloat32:
      m_Data = new CIccSparseMatrixFloat32();
      break;
    case icSparseMatrixFloatNum:
      m_Data = new CIccSparseMatrixFloatNum();
    default:
      m_Data = NULL;
    }
  }
 
  if (m_Data) {
    Init(mtx.m_nRows, mtx.m_nCols);  
  }
  else {
    m_nRows = 0;
    m_nCols = 0;
    m_nMaxEntries = 0;
  }
 
  return *this;
}

References icSparseMatrixFloat16, icSparseMatrixFloat32, icSparseMatrixFloatNum, icSparseMatrixUInt16, icSparseMatrixUInt8, Init(), m_Data, m_nCols, m_nMaxEntries, m_nRawSize, m_nRows, m_nType, and m_pMatrix.

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◆ Reset()

void CIccSparseMatrix::Reset	(	void *	pMatrix,
		icUInt32Number	nSize,
		icSparseMatrixType	nType,
		bool	bInitFromData = true )

Definition at line 113 of file IccSparseMatrix.cpp.

{
  if (m_Data)
    delete m_Data;
 
  m_pMatrix = (unsigned char*)pMatrix;
  m_nRawSize = nSize;
  m_nType = nType;
  m_Data = NULL;
 
  if (bInitFromData) {
    icUInt16Number nRows = *((icUInt16Number*)pMatrix);
    icUInt16Number nCols = *((icUInt16Number*)(m_pMatrix+sizeof(icUInt16Number)));
    Init(nRows, nCols);
  }
  else {
    m_nRows = 0;
    m_nCols = 0;
    m_nMaxEntries = 0;
    m_RowStart = NULL;
    m_ColumnIndices = NULL;
  }
}

References Init(), m_ColumnIndices, m_Data, m_nCols, m_nMaxEntries, m_nRawSize, m_nRows, m_nType, m_pMatrix, and m_RowStart.

Referenced by CIccTagSparseMatrixArray::GetSparseMatrix(), CIccTagXmlSparseMatrixArray::ParseXml(), CIccTagSparseMatrixArray::Read(), CIccTagXmlSparseMatrixArray::ToXml(), CIccTagSparseMatrixArray::Validate(), and CIccTagSparseMatrixArray::Write().

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◆ Rows()

icUInt16Number CIccSparseMatrix::Rows ( ) const

inline

Definition at line 163 of file IccSparseMatrix.h.

163{ return m_nRows; }

Referenced by CIccTagSparseMatrixArray::Describe(), CIccTagSparseMatrixArray::Interpolate(), CIccTagSparseMatrixArray::Read(), CIccTagXmlSparseMatrixArray::ToXml(), and CIccTagSparseMatrixArray::Validate().

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◆ Union()

bool CIccSparseMatrix::Union	(	const CIccSparseMatrix &	mtx1,
		const CIccSparseMatrix &	mtx2 )

Definition at line 384 of file IccSparseMatrix.cpp.

{
  if (mtx1.m_nRows != mtx2.m_nRows || mtx1.m_nCols != mtx2.m_nCols)
    return false;
 
  if (mtx1.m_nRows != m_nRows || mtx2.m_nCols != m_nCols) {
    if (!Init(mtx1.m_nRows, mtx2.m_nCols))
      return false;
  }
 
  icUInt32Number pos=0;
  int r=0, i, j;
  int fA, fB, nA, nB, offA, offB, iA, iB;
 
  for (r=0; r<(int)m_nRows; r++) {
    fA = (int)mtx1.m_RowStart[r];
    fB = (int)mtx2.m_RowStart[r];
    nA = (int)(mtx1.m_RowStart[r+1] - fA);
    nB = (int)(mtx2.m_RowStart[r+1] - fA);
 
    m_RowStart[r] = (icUInt16Number)pos;
 
    if (nA && nB) {
      i=j=0;
 
      while(i<nA || j<nB) {
        if (pos >= m_nMaxEntries)
          return false;
 
        if (i<nA && j<nB) {
          offA = fA+i;
          offB = fB+j;
          iA = mtx1.m_ColumnIndices[offA];
          iB = mtx2.m_ColumnIndices[offB];
 
          if (iA<iB) {
            m_ColumnIndices[pos] = iA;
            m_Data->set(pos, 1.0f);
            i++;
          }
          else if (iB<iA) {
            m_ColumnIndices[pos] = iB;
            m_Data->set(pos, 1.0f);
            j++;
          }
          else {
            m_ColumnIndices[pos] = iA;
            m_Data->set(pos, 1.0f);
            i++;
            j++;
          }
          pos++;
        }
        else if (i<nA) {
          offA = fA+i;
          iA = mtx1.m_ColumnIndices[offA];
 
          m_ColumnIndices[pos] = iA;
          m_Data->set(pos, 1.0f);
        }
        else {
          offB = fB+j;
          iB = mtx2.m_ColumnIndices[offB];
 
          m_ColumnIndices[pos] = iB;
          m_Data->set(pos, 1.0f);
        }
      }
    }
    else if (nA) {
      if (pos+nA >= m_nMaxEntries)
        return false;
 
      memcpy(&m_ColumnIndices[pos], &mtx1.m_ColumnIndices[fA], nA);
 
      for (i=0; i<nA; i++) {
        m_Data->set(pos++, 1.0f);
      }
    }
    else if (nB) {
      if (pos+nB >= m_nMaxEntries)
        return false;
 
      memcpy(&m_ColumnIndices[pos], &mtx2.m_ColumnIndices[fB], nB);
 
      for (i=0; i<nB; i++) {
        m_Data->set(pos++, 1.0f);
      }
    }
    m_RowStart[r]=(icUInt16Number)pos;
  }
 
  return true;
}

References Init(), m_ColumnIndices, m_Data, m_nCols, m_nMaxEntries, m_nRows, m_RowStart, and IIccSparseMatrixEntry::set().

Referenced by CIccTagSparseMatrixArray::Validate().

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Member Data Documentation

◆ m_ColumnIndices

icUInt16Number* CIccSparseMatrix::m_ColumnIndices

protected

Definition at line 203 of file IccSparseMatrix.h.

Referenced by CIccSparseMatrix(), CIccSparseMatrix(), FillFromFullMatrix(), Init(), Interp(), IsValid(), MultiplyVector(), Reset(), and Union().

◆ m_Data

IIccSparseMatrixEntry* CIccSparseMatrix::m_Data

protected

Definition at line 205 of file IccSparseMatrix.h.

Referenced by CIccSparseMatrix(), CIccSparseMatrix(), Copy(), FillFromFullMatrix(), Init(), Interp(), IsValid(), MultiplyVector(), operator=(), Reset(), Union(), and ~CIccSparseMatrix().

◆ m_nCols

icUInt16Number CIccSparseMatrix::m_nCols

protected

Definition at line 200 of file IccSparseMatrix.h.

Referenced by CIccSparseMatrix(), CIccSparseMatrix(), Copy(), FillFromFullMatrix(), Init(), Interp(), IsValid(), operator=(), Reset(), and Union().

◆ m_nMaxEntries

icUInt32Number CIccSparseMatrix::m_nMaxEntries

protected

Definition at line 207 of file IccSparseMatrix.h.

Referenced by CIccSparseMatrix(), CIccSparseMatrix(), FillFromFullMatrix(), Init(), Interp(), operator=(), Reset(), and Union().

◆ m_nRawSize

icUInt32Number CIccSparseMatrix::m_nRawSize

protected

Definition at line 196 of file IccSparseMatrix.h.

Referenced by CIccSparseMatrix(), CIccSparseMatrix(), Clear(), Init(), operator=(), and Reset().

◆ m_nRows

icUInt16Number CIccSparseMatrix::m_nRows

protected

Definition at line 199 of file IccSparseMatrix.h.

Referenced by CIccSparseMatrix(), CIccSparseMatrix(), Copy(), FillFromFullMatrix(), Init(), Interp(), IsValid(), MultiplyVector(), operator=(), Reset(), and Union().

◆ m_nType

icSparseMatrixType CIccSparseMatrix::m_nType

protected

Definition at line 197 of file IccSparseMatrix.h.

Referenced by CIccSparseMatrix(), CIccSparseMatrix(), Init(), operator=(), and Reset().

◆ m_pMatrix

icUInt8Number* CIccSparseMatrix::m_pMatrix

protected

Definition at line 195 of file IccSparseMatrix.h.

Referenced by CIccSparseMatrix(), CIccSparseMatrix(), Clear(), Copy(), Init(), operator=(), and Reset().

◆ m_RowStart

icUInt16Number* CIccSparseMatrix::m_RowStart

protected

Definition at line 202 of file IccSparseMatrix.h.

Referenced by CIccSparseMatrix(), CIccSparseMatrix(), Copy(), FillFromFullMatrix(), Init(), Interp(), IsValid(), MultiplyVector(), Reset(), and Union().

The documentation for this class was generated from the following files:

IccProfLib/IccSparseMatrix.h
IccProfLib/IccSparseMatrix.cpp

Public Member Functions

Static Public Member Functions

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

◆ CIccSparseMatrix() [1/2]

◆ CIccSparseMatrix() [2/2]

◆ ~CIccSparseMatrix()

Member Function Documentation

◆ Clear()

◆ Cols()

◆ Copy()

◆ EntrySize()

◆ FillFromFullMatrix()

◆ GetColumnsForRow()

◆ GetData()

◆ GetMaxEntries()

◆ GetNumEntries()

◆ GetNumRowColumns()

◆ GetRowOffset()

◆ GetRowStart()

◆ Init()

◆ Interp()

◆ IsValid()

◆ MaxEntries() [1/2]

◆ MaxEntries() [2/2]

◆ MemSize() [1/2]

◆ MemSize() [2/2]

◆ MultiplyVector()

◆ operator=()

◆ Reset()

◆ Rows()

◆ Union()

Member Data Documentation

◆ m_ColumnIndices

◆ m_Data

◆ m_nCols

◆ m_nMaxEntries

◆ m_nRawSize

◆ m_nRows

◆ m_nType

◆ m_pMatrix

◆ m_RowStart