IccXformFactory.cpp

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/** @file
    File:       IccXformFactory.cpp
 
    Contains:   Implementation of the CIccXform class and creation factories
 
    Version:    V1
 
    Copyright:  (c) see ICC Software License
*/
 
/*
 * The ICC Software License, Version 0.2
 *
 *
 * Copyright (c) 2003-2012 The International Color Consortium. All rights 
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer. 
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
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 * 3. In the absence of prior written permission, the names "ICC" and "The
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 */
 
////////////////////////////////////////////////////////////////////// 
// HISTORY:
//
// -Oct 30, 2005
// Added CICCXform Creation using factory support
//
//////////////////////////////////////////////////////////////////////
 
#include "IccXformFactory.h"
 
#ifdef USEREFICCMAXNAMESPACE
namespace refIccMAX {
#endif
 
CIccXform* CIccBaseXformFactory::CreateXform(icXformType xformSig, CIccTag *pTag/*=NULL*/, CIccCreateXformHintManager *pHintManager/*=NULL*/)
{
  //We generally ignore pHint in the base creator (used by others to determine what form of xform to create)
  switch(xformSig) {
   case icXformTypeMatrixTRC:
     return new CIccXformMatrixTRC();
 
   case icXformType3DLut:
     return new CIccXform3DLut(pTag);
 
   case icXformType4DLut:
     return new CIccXform4DLut(pTag);
 
   case icXformTypeNDLut:
     return new CIccXformNDLut(pTag);
 
   case icXformTypeNamedColor:
     if (pHintManager) {
             IIccCreateXformHint* pHint = pHintManager->GetHint("CIccCreateNamedColorXformHint");
             if (pHint) {
                 CIccCreateNamedColorXformHint *pNCHint = (CIccCreateNamedColorXformHint*)pHint;
                 return new CIccXformNamedColor(pTag, pNCHint->csPcs, pNCHint->csDevice, 
                                        pNCHint->csSpectralPcs, 
                                        &pNCHint->spectralRange,
                                        &pNCHint->biSpectralRange);
             }
     }
         return NULL;
 
   case icXformTypeMpe:
     return new CIccXformMpe(pTag);
 
     case icXformTypeMonochrome:
         return new CIccXformMonochrome();
 
    default:
      return NULL;
  }
}
 
std::unique_ptr<CIccXformCreator> CIccXformCreator::theXformCreator;
 
CIccXformCreator::~CIccXformCreator()
{
  IIccXformFactory *pFactory = DoPopFactory(true);
 
  while (pFactory) {
    delete pFactory;
    pFactory = DoPopFactory(true);
  }
}
 
CIccXformCreator* CIccXformCreator::GetInstance()
{
  if (!theXformCreator.get()) {
    theXformCreator = CIccXformCreatorPtr(new CIccXformCreator);
 
    theXformCreator->DoPushFactory(new CIccBaseXformFactory);
  }
 
  return theXformCreator.get();
}
 
CIccXform* CIccXformCreator::DoCreateXform(icXformType xformTypeSig, CIccTag *pTag/*=NULL*/, CIccCreateXformHintManager *pHintManager/*=NULL*/)
{
  CIccXformFactoryList::iterator i;
  CIccXform *rv = NULL;
 
  for (i=factoryStack.begin(); i!=factoryStack.end(); i++) {
    rv = (*i)->CreateXform(xformTypeSig, pTag, pHintManager);
    if (rv)
      break;
  }
  return rv;
}
 
void CIccXformCreator::DoPushFactory(IIccXformFactory *pFactory)
{
  factoryStack.push_front(pFactory);
}
 
IIccXformFactory* CIccXformCreator::DoPopFactory(bool bAll /*=false*/)
{
  //int nNum = (bAll ? 0 : 1);
 
  if (factoryStack.size()>0) {
    CIccXformFactoryList::iterator i=factoryStack.begin();
    IIccXformFactory* rv = (*i);
    factoryStack.pop_front();
    return rv;
  }
  return NULL;
}
 
#ifdef USEREFICCMAXNAMESPACE
} //namespace refIccMAX
#endif