/usr/include/SampleICC/IccXformFactory.h is in libsampleicc-dev 1.6.4-1.
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File: IccXformFactory.h
Contains: Header for implementation of CIccXformFactory class and
creation factories
Version: V1
Copyright: © see ICC Software License
*/
/*
* The ICC Software License, Version 0.2
*
*
* Copyright (c) 2007 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.
*
* 3. In the absence of prior written permission, the names "ICC" and "The
* International Color Consortium" must not be used to imply that the
* ICC organization endorses or promotes products derived from this
* software.
*
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE INTERNATIONAL COLOR CONSORTIUM OR
* ITS CONTRIBUTING MEMBERS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the The International Color Consortium.
*
*
* Membership in the ICC is encouraged when this software is used for
* commercial purposes.
*
*
* For more information on The International Color Consortium, please
* see <http://www.color.org/>.
*
*
*/
//////////////////////////////////////////////////////////////////////
// HISTORY:
//
// -Nov 21, 2007
// A CIccXformCreator singleton class has been added to provide general
// support for dynamically creating xform classes using a xform type.
// Prototype and private xform type support can be added to the system
// by pushing additional IIccXformFactory based objects to the
// singleton CIccXformCreator object.
//
//////////////////////////////////////////////////////////////////////
#ifndef _ICCXFORMFACTORY_H
#define _ICCXFORMFACTORY_H
#include "IccCmm.h"
#include <memory>
#include <list>
#include <string>
//CIccXform factory support
#ifdef USESAMPLEICCNAMESPACE
namespace sampleICC {
#endif
/**
***********************************************************************
* Class: IIccXformFactory
*
* Purpose:
* IIccXformFactory is a factory pattern interface for CIccXform creation.
* This class is pure virtual.
***********************************************************************
*/
class IIccXformFactory
{
public:
virtual ~IIccXformFactory() {}
/**
* Function: CreateXform(xformTypeSig)
* Create a xform of type xformTypeSig.
*
* Parameter(s):
* xformTypeSig = signature of the ICC xform type for the xform to be created
* pTag = tag information for created xform
* pHintManager = contains additional information used to create xform
*
* Returns a new CIccXform object of the given signature type. If the xform
* factory doesn't support creation of xforms of type xformTypeSig then it
* should return NULL.
*/
virtual CIccXform* CreateXform(icXformType xformType, CIccTag *pTag=NULL, CIccCreateXformHintManager* pHintManager=0)=0;
};
//A CIccXformFactoryList is used by CIccXformCreator to keep track of xform
//creation factories
typedef std::list<IIccXformFactory*> CIccXformFactoryList;
/**
***********************************************************************
* Class: CIccBaseXformFactory
*
* Purpose:
* CIccSpecXformFactory provides creation of Base CIccXform's. The
* CIccXformCreator always creates a CIccSpecXformFactory.
***********************************************************************
*/
class CIccBaseXformFactory : public IIccXformFactory
{
public:
/**
* Function: CreateXform(xformTypeSig)
* Create a xform of type xformTypeSig.
*
* Parameter(s):
* xformTypeSig = signature of the ICC xform type for the xform to be created
* pTag = tag information for created xform
* pHintManager = contains additional information used to create xform
*
* Returns a new CIccXform object of the given xform type.
* Unrecognized xformTypeSig's will be created as a CIccXformUnknown object.
*/
virtual CIccXform* CreateXform(icXformType xformType, CIccTag *pTag=NULL, CIccCreateXformHintManager *pHintManager=NULL);
};
class CIccXformCreator;
typedef std::auto_ptr<CIccXformCreator> CIccXformCreatorPtr;
/**
***********************************************************************
* Class: CIccXformCreator
*
* Purpose:
* CIccXformCreator uses a singleton pattern to provide dynamically
* upgradeable CIccXform derived object creation based on xform type.
***********************************************************************
*/
class CIccXformCreator
{
public:
~CIccXformCreator();
/**
* Function: CreateXform(xformTypeSig)
* Create a xform of type xformTypeSig.
*
* Parameter(s):
* xformType = signature of the ICC xform type for the xform to be created
* pTag = tag information for created xform
* pHintManager = contains additional information used to create xform
*
* Returns a new CIccXform object of the given xform type.
* Each factory in the factoryStack is used until a factory supports the
* signature type.
*/
static CIccXform* CreateXform(icXformType xformType, CIccTag *pTag=NULL, CIccCreateXformHintManager *pHintManager=NULL)
{ return CIccXformCreator::GetInstance()->DoCreateXform(xformType, pTag, pHintManager); }
/**
* Function: PushFactory(pFactory)
* Add an IIccXformFactory to the stack of xform factories tracked by the system.
*
* Parameter(s):
* pFactory = pointer to an IIccXformFactory object to add to the system.
* The pFactory must be created with new, and will be owned CIccXformCreator
* until popped off the stack using PopFactory(). Any factories not
* popped off will be taken care of properly on application shutdown.
*
*/
static void PushFactory(IIccXformFactory *pFactory)
{ CIccXformCreator::GetInstance()->CIccXformCreator::DoPushFactory(pFactory); }
/**
* Function: PopFactory()
* Remove the top IIccXformFactory from the stack of xform factories tracked by the system.
*
* Parameter(s):
* None
*
* Returns the top IIccXformFactory from the stack of xform factories tracked by the system.
* The returned xform factory is no longer owned by the system and needs to be deleted
* to avoid memory leaks.
*
* Note: The initial CIccSpecXformFactory cannot be popped off the stack.
*/
static IIccXformFactory* PopFactory()
{ return CIccXformCreator::GetInstance()->DoPopFactory(); }
private:
/**Only GetInstance() can create the signleton*/
CIccXformCreator() { }
/**
* Function: GetInstance()
* Private static function to access singleton CiccXformCreator Object.
*
* Parameter(s):
* None
*
* Returns the singleton CIccXformCreator object. It will allocate
* a new one and push a single CIccSpecXform Factory object onto the factory
* stack if the singleton has not been intialized.
*/
static CIccXformCreator* GetInstance();
CIccXform* DoCreateXform(icXformType xformType, CIccTag *pTag=NULL, CIccCreateXformHintManager *pHintManager=NULL);
void DoPushFactory(IIccXformFactory *pFactory);
IIccXformFactory* DoPopFactory(bool bAll=false);
static CIccXformCreatorPtr theXformCreator;
CIccXformFactoryList factoryStack;
};
#ifdef USESAMPLEICCNAMESPACE
} //namespace sampleICC
#endif
#endif //_ICCXFORMFACTORY_H
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