CIccTagXmlCurve Class Reference

#include <IccTagXml.h>

Inheritance diagram for CIccTagXmlCurve:

Collaboration diagram for CIccTagXmlCurve:

Public Member Functions
virtual const char *	GetClassName () const
virtual IIccExtensionTag *	GetExtension ()
virtual bool	ParseXml (xmlNode *pNode, icConvertType nType, std::string &parseStr)
virtual bool	ParseXml (xmlNode *pNode, std::string &parseStr)
virtual bool	ToXml (std::string &xml, icConvertType nType, std::string blanks="")
virtual bool	ToXml (std::string &xml, std::string blanks="")
virtual	~CIccTagXmlCurve ()
Public Member Functions inherited from CIccTagCurve
virtual icFloatNumber	Apply (icFloatNumber v) const
	Name: CIccTagCurve::Apply.
virtual void	Begin ()
	CIccTagCurve (const CIccTagCurve &ITCurve)
	Name: CIccTagCurve::CIccTagCurve.
	CIccTagCurve (int nSize=0)
	Name: CIccTagCurve::CIccTagCurve.
virtual void	Describe (std::string &sDescription, int nVerboseness)
	Name: CIccTagCurve::Describe.
virtual void	DumpLut (std::string &sDescription, const icChar *szName, icColorSpaceSignature csSig, int nIndex, int nVerboseness)
	Name: CIccTagCurve::DumpLut.
icFloatNumber *	GetData (icUInt32Number index)
icUInt32Number	GetSize () const
virtual icTagTypeSignature	GetType () const
	Function: GetType()
virtual bool	IsIdentity ()
	Name: CIccTagCurve::IsIdentity.
virtual CIccTag *	NewCopy () const
	Function: NewCopy(sDescription) Each derived tag will implement it's own NewCopy() function.
CIccTagCurve &	operator= (const CIccTagCurve &CurveTag)
	Name: CIccTagCurve::operator=.
icFloatNumber &	operator[] (icUInt32Number index)
virtual bool	Read (icUInt32Number size, CIccIO *pIO)
	Name: CIccTagCurve::Read.
bool	SetGamma (icFloatNumber gamma)
	Name: refIccMAX::CIccTagCurve::SetGamma.
bool	SetSize (icUInt32Number nSize, icTagCurveSizeInit nSizeOpt=icInitZero)
	Name: CIccTagCurve::SetSize.
virtual icValidateStatus	Validate (std::string sigPath, std::string &sReport, const CIccProfile *pProfile=NULL) const
	Name: CIccTagCurve::Validate.
virtual bool	Write (CIccIO *pIO)
	Name: CIccTagCurve::Write.
virtual	~CIccTagCurve ()
	Name: CIccTagCurve::~CIccTagCurve.
Public Member Functions inherited from CIccCurve
	CIccCurve ()
icFloatNumber	Find (icFloatNumber v)
virtual	~CIccCurve ()
Public Member Functions inherited from CIccTag
	CIccTag ()
	Name: CIccTag::CIccTag.
virtual void	DetachIO ()
	Function: ReadAll() - Read All sub data for tag from file.
virtual icArraySignature	GetTagArrayType () const
virtual icStructSignature	GetTagStructType () const
virtual bool	IsArrayType ()
virtual bool	IsMBBType ()
virtual bool	IsNumArrayType () const
virtual bool	IsSupported ()
	Function: IsSupported(size, pIO) - Check if tag fully supported for apply purposes.
virtual bool	Read (icUInt32Number size, CIccIO *pIO, CIccProfile *pProfile)
	Function: Read(size, pIO) - Read tag from file.
virtual bool	ReadAll ()
	Function: ReadAll() - Read All sub data for tag from file.
virtual	~CIccTag ()
	Name: CIccTag::CIccTag.
Public Member Functions inherited from CIccCurveXml
virtual const char *	GetExtDerivedClassName () const
virtual	~CIccCurveXml ()
Public Member Functions inherited from CIccTagXml
virtual const char *	GetExtClassName () const
virtual	~CIccTagXml (void)

Additional Inherited Members
Static Public Member Functions inherited from CIccTag
static CIccTag *	Create (icTagTypeSignature sig)
	Name: CIccTag::Create.
Public Attributes inherited from CIccTag
icUInt32Number	m_nReserved
Protected Member Functions inherited from CIccCurve
icFloatNumber	Find (icFloatNumber v, icFloatNumber p0, icFloatNumber v0, icFloatNumber p1, icFloatNumber v1)
	Name: CIccCurve::Find.
Protected Attributes inherited from CIccTagCurve
icFloatNumber *	m_Curve
icUInt16Number	m_nMaxIndex
icUInt32Number	m_nSize

Detailed Description

Definition at line 498 of file IccTagXml.h.

Constructor & Destructor Documentation

~CIccTagXmlCurve()

virtual CIccTagXmlCurve::~CIccTagXmlCurve ( )

inlinevirtual

Definition at line 501 of file IccTagXml.h.

{}

Member Function Documentation

GetClassName()

virtual const char * CIccTagXmlCurve::GetClassName ( ) const

inlinevirtual

Reimplemented from CIccTagCurve.

Definition at line 503 of file IccTagXml.h.

{return "CIccTagXmlCurve"; }

GetExtension()

virtual IIccExtensionTag * CIccTagXmlCurve::GetExtension ( )

inlinevirtual

Reimplemented from CIccTag.

Definition at line 505 of file IccTagXml.h.

{return this; }

ParseXml() [1/2]

bool CIccTagXmlCurve::ParseXml ( xmlNode * pNode, icConvertType nType, std::string & parseStr )

virtual

Implements CIccCurveXml.

Definition at line 2570 of file IccTagXml.cpp.

{
  xmlNode *pCurveNode;
  pCurveNode = icXmlFindNode(pNode, "Curve");  
 
  if(pCurveNode){
    const char *filename = icXmlAttrValue(pCurveNode, "File");
 
    // file exists
    if (filename[0]) {
      CIccIO *file = IccOpenFileIO(filename, "rb");
      if (!file){
        parseStr += "Error! - File '";
        parseStr += filename;
        parseStr +="' not found.\n";
        delete file;
        return false;
      }
 
      const char *format = icXmlAttrValue(pCurveNode, "Format");
 
      // format is text
      if (!strcmp(format, "text")) {
        icUInt32Number num = file->GetLength();
        char *buf = (char *) new char[num];
 
        if (!buf) {          
          perror("Memory Error");
          parseStr += "'";
          parseStr += filename;
          parseStr += "' may not be a valid text file.\n";
          free(buf);
          delete file;
          return false;
        }
 
        if (file->Read8(buf, num) !=num) {
          perror("Read-File Error");
          parseStr += "'";
          parseStr += filename;
          parseStr += "' may not be a valid text file.\n";
          free(buf);
          delete file;             
          return false;
        }         
 
        // lut8type
        if (nType == icConvert8Bit) {
          CIccUInt8Array data;
 
          //if (!data.ParseTextArray(buf)) {
          if (!data.ParseTextArrayNum(buf, num, parseStr)){
            parseStr += "File '";
            parseStr += filename;
            parseStr += "' is not a valid text file.\n";
            SetSize(0);
            free(buf);
            delete file;
            return false;
          }
 
          else {
            SetSize(data.GetSize());
            icUInt8Number *src = data.GetBuf();
            icFloatNumber *dst = GetData(0);
 
            icUInt32Number i;
            for (i=0; i<data.GetSize(); i++) {  
              *dst = (icFloatNumber)(*src) / 255.0f;              
              dst++;
              src++;
            }
 
            //if (i!=256) {
            //printf("Error! - Input/Output table does not have 256 entries.\n");                            
            //SetSize(0);
            //return false;
            //}
            delete file;
            return true;
          }
        } 
 
        //lut16type
        else if (nType == icConvert16Bit || nType == icConvertVariable) {
          CIccUInt16Array data;
 
          //if (!data.ParseTextArray(buf)) {
          if (!data.ParseTextArrayNum(buf, num, parseStr)){
            parseStr += "File '";
            parseStr += filename;
            parseStr += "' is not a valid text file.\n";
            SetSize(0);
            free(buf);
            delete file;
            return false;
          }
 
          else {
            SetSize(data.GetSize());
 
            icUInt16Number *src = data.GetBuf();
            icFloatNumber *dst = GetData(0);
 
            icUInt32Number i;
            for (i=0; i<data.GetSize(); i++) {
              *dst = (icFloatNumber)(*src) / 65535.0f; 
              dst++;
              src++;
            }
          }
          delete file;
          return true;
        }
 
        //float type
        else if (nType == icConvertFloat){
          CIccFloatArray data;
 
          //if (!data.ParseTextArray(buf)) {
          if (!data.ParseTextArrayNum(buf, num, parseStr)){
            parseStr += "File '";
            parseStr += filename;
            parseStr += "' is not a valid text file.\n";
            SetSize(0);
            free(buf);
            delete file;
            return false;
          }
 
          else {
            SetSize(data.GetSize());
            icFloatNumber *src = data.GetBuf();
            icFloatNumber *dst = GetData(0);          
 
            icUInt32Number i;
            for (i=0; i<data.GetSize(); i++) {
              *dst = *src; 
              dst++;
              src++;
            }
          }  
          delete file;
          return true;
        }        
        else {
          delete file;
          return false;
        }
      }
      // format is binary
      else if (!strcmp(format, "binary")) {
        const char *order = icXmlAttrValue(pCurveNode, "Endian");
        bool little_endian = !strcmp(order, "little");    
 
        if (nType == icConvert8Bit){
          icUInt32Number num = file->GetLength();
          icUInt8Number value;
 
          SetSize(num);
          icFloatNumber *dst =  GetData(0);
          icUInt32Number i;
          for (i=0; i<num; i++) {
            if (!file->Read8(&value)) { 
              perror("Read-File Error");
              parseStr += "'";
              parseStr += filename;
              parseStr += "' may not be a valid binary file.\n";
              delete file;
              return false;
            } 
            *dst++ = (icFloatNumber)value / 255.0f;
          }         
          delete file;
          return true;
        }        
        else if (nType == icConvert16Bit || nType == icConvertVariable){
          icUInt32Number num = file->GetLength() / sizeof(icUInt16Number);
          icUInt16Number value;
          icUInt8Number *ptr = (icUInt8Number*)&value;
 
          SetSize(num);
          icFloatNumber *dst = GetData(0);
          icUInt32Number i;
          for (i=0; i<num; i++) {
            if (!file->Read16(&value)) {  //this assumes data is big endian
              perror("Read-File Error");
              parseStr += "'";
              parseStr += filename;
              parseStr += "' may not be a valid binary file.\n";
              delete file;              
              return false;
            }
#ifdef ICC_BYTE_ORDER_LITTLE_ENDIAN
            if (little_endian) {
#else
            if (!little_endian) {
#endif
              icUInt8Number t = ptr[0];
              ptr[0] = ptr[1];
              ptr[1] = t;
            }
            *dst++ = (icFloatNumber)value / 65535.0f;
          }
          delete file;
          return true;
        }
        else if (nType == icConvertFloat) {
          icUInt32Number num = file->GetLength()/sizeof(icFloat32Number);
          icFloat32Number value;
          icUInt8Number *ptr = (icUInt8Number*)&value;
 
          SetSize(num);
          icFloatNumber *dst = GetData(0);
 
          icUInt32Number i;
          for (i=0; i<num; i++) {
            if (!file->ReadFloat32Float(&value)) { //assumes data is big endian
              perror("Read-File Error");
              parseStr += "'";
              parseStr += filename;
              parseStr += "' may not be a valid binary file.\n";
              delete file;
              return false;
            }
#ifdef ICC_BYTE_ORDER_LITTLE_ENDIAN
            if (little_endian) {
#else
            if (!little_endian) {
#endif
              icUInt8Number tmp;
              tmp = ptr[0]; ptr[0] = ptr[3]; ptr[3] = tmp;
              tmp = ptr[1]; ptr[1] = ptr[2]; ptr[2] = tmp;
            }
            *dst++ = value;
          }        
          delete file;
          return true;
        }
        else { //not 8bit/16bit/float        
          delete file;
          return false;
        } 
      }       
      else {//not text/binary
        delete file;
        return false;
      }
    }    
    // no file
    else{
      if (nType == icConvert8Bit){
        CIccUInt8Array data;      
 
        if (!data.ParseArray(pCurveNode->children)) {
          const char *szSize = icXmlAttrValue(pCurveNode, "IdentitySize");
 
          if (szSize && *szSize) {
            icUInt32Number nSize = (icUInt32Number)atol(szSize);
            SetSize(nSize);
 
            if (m_nSize == nSize) {
              icUInt32Number j;
              icFloatNumber *dst = GetData(0);
              for (j=0; j<nSize; j++) {
                *dst = (icFloatNumber)(j) / (icFloatNumber)(nSize-1); 
                dst++;
              }
            }
            else
              return false;
          }
          else { //Identity curve with size=0
            SetSize(0);
          }
        }
        else {
          SetSize(data.GetSize());
 
          icUInt32Number j;
          icUInt8Number *src = data.GetBuf();
          icFloatNumber *dst = GetData(0);
          for (j=0; j<data.GetSize(); j++) {
            *dst = (icFloatNumber)(*src) / 255.0f; 
            dst++;
            src++;
          }          
 
          //if (j!=256) {
          //printf("Error! - Input/Output table does not have 256 entries.\n");                            
          //SetSize(0);
          //return false;
          //}
        }
        return true;
      }
 
      else if (nType == icConvert16Bit || nType == icConvertVariable){
        CIccUInt16Array data;
 
        if (!data.ParseArray(pCurveNode->children)) {
          const char *szSize = icXmlAttrValue(pCurveNode, "IdentitySize");
 
          if (szSize && *szSize) {
            icUInt32Number nSize = (icUInt32Number)atol(szSize);
            SetSize(nSize);
 
            if (m_nSize == nSize) {
              icUInt32Number j;
              icFloatNumber *dst = GetData(0);
              for (j=0; j<nSize; j++) {
                *dst = (icFloatNumber)(j) / (icFloatNumber)(nSize-1); 
                dst++;
              }
            }
            else
              return false;
          }
          else { //Identity curve with size=0
            SetSize(0);
          }
        }              
        else {
          SetSize(data.GetSize());
 
          icUInt32Number j;
          icUInt16Number *src = data.GetBuf();
          icFloatNumber *dst = GetData(0);
          for (j=0; j<data.GetSize(); j++) {
            *dst = (icFloatNumber)(*src) / 65535.0f; 
            dst++;
            src++;
          }
        }              
        return true;
      }      
      else if (nType == icConvertFloat){
        CIccFloatArray data;
 
        if (!data.ParseArray(pCurveNode->children)) {
          const char *szSize = icXmlAttrValue(pCurveNode, "IdentitySize");
 
          if (szSize && *szSize) {
            icUInt32Number nSize = (icUInt32Number)atol(szSize);
 
            SetSize(nSize);
 
            if (m_nSize == nSize) {
              icUInt32Number j;
              icFloatNumber *dst = GetData(0);
              for (j=0; j<nSize; j++) {
                *dst = (icFloatNumber)(j) / (icFloatNumber)(nSize-1); 
                dst++;
              }
            }
            else
              return false;
          }
          else { //Identity curve with size=0
            SetSize(0);
          }
        }
        else {
          SetSize(data.GetSize());
 
          icUInt32Number j;
          icFloatNumber *src = data.GetBuf();
          icFloatNumber *dst = GetData(0);
          for (j=0; j<data.GetSize(); j++) {
            *dst = *src; 
            dst++;
            src++;
          }
        }        
        return true;
      }
      // unsupported encoding
      else
        return false;
    }
  }
  return false;
}

References CIccXmlArrayType< T, Tsig >::GetBuf(), CIccIO::GetLength(), CIccXmlArrayType< T, Tsig >::GetSize(), icConvert16Bit, icConvert8Bit, icConvertFloat, icConvertVariable, IccOpenFileIO(), icXmlAttrValue(), icXmlFindNode(), CIccXmlArrayType< T, Tsig >::ParseArray(), CIccXmlArrayType< T, Tsig >::ParseTextArrayNum(), CIccIO::Read16(), CIccIO::Read8(), and CIccIO::ReadFloat32Float().

Here is the call graph for this function:

ParseXml() [2/2]

bool CIccTagXmlCurve::ParseXml ( xmlNode * pNode, std::string & parseStr )

virtual

Implements CIccTagXml.

Definition at line 2563 of file IccTagXml.cpp.

{
  return ParseXml(pNode, icConvert16Bit, parseStr);
}

References icConvert16Bit.

ToXml() [1/2]

bool CIccTagXmlCurve::ToXml ( std::string & xml, icConvertType nType, std::string blanks = "" )

virtual

Implements CIccCurveXml.

Definition at line 2503 of file IccTagXml.cpp.

{
  char buf[40];
  int i;
 
  if (!m_nSize) {
    xml += blanks + "<Curve/>\n";
  }
  else if (IsIdentity()) {
    xml += blanks + "<Curve IdentitySize=\"";
    sprintf(buf, "%d", m_nSize);
    xml += buf;
    xml += "\"/>\n";
  }
  else if (nType==icConvert8Bit) {
    xml += blanks + "<Curve>\n" + blanks;  
    for (i=0; i<(int)m_nSize; i++) {  
      if ( i && !(i%16)) {
        xml += "\n";
        xml += blanks;  
      }
      sprintf(buf, " %3u", (int)(m_Curve[i] * 255.0 + 0.5));    
      xml += buf;
    }
    xml += "\n";
    xml += blanks + "</Curve>\n";
  }
  else if (nType==icConvert16Bit || nType==icConvertVariable) {
    xml += blanks + "<Curve>\n" + blanks;
    for (i=0; i<(int)m_nSize; i++) {
      if (i && !(i%16)) {
        xml += "\n";
        xml += blanks + " ";
      }
      sprintf(buf, " %5u", (int)(m_Curve[i] * 65535.0 + 0.5));
      xml += buf;
    }
    xml += "\n";
    xml += blanks + "</Curve>\n";
  }
  else if (nType==icConvertFloat) {
    xml += blanks + "<Curve>\n" + blanks + "  ";
    for (i=0; i<(int)m_nSize; i++) {
      if (i && !(i%16)) {
        xml += "\n";
        xml += blanks + " ";
      }
      sprintf(buf, " %13.8f", m_Curve[i]);
      xml += buf;
    }
    xml += "\n";
    xml += blanks + "</Curve>\n";
  }
  else
    return false;
 
  return true;
}

References icConvert16Bit, icConvert8Bit, icConvertFloat, and icConvertVariable.

ToXml() [2/2]

bool CIccTagXmlCurve::ToXml ( std::string & xml, std::string blanks = "" )

virtual

Implements CIccTagXml.

Definition at line 2497 of file IccTagXml.cpp.

{
  return ToXml(xml, icConvert16Bit, blanks);
}

References icConvert16Bit.

---

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

• IccXML/IccLibXML/IccTagXml.h
• IccXML/IccLibXML/IccTagXml.cpp