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halftoner::HalftonerFactory Class Reference

#include <HalftonerFactory.h>

Collaboration diagram for halftoner::HalftonerFactory:

[legend]List of all members.

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Detailed Description

Class HalftonerFactory is responsible for the creation of halftoning objects in a way that is transparent to the user.

Todo:

make the keys for the algorithm as objects other than const char*, probably agragating Instanciator with it.

Definition at line 44 of file HalftonerFactory.h.

Class variable.

• const char * FLOYD_STEINBERG

  Mnemonic for the Floyd-Steinberg algorithm.
  
  

• const char * JARVIS_JUDICE_NINKE

  Mnemonic for the Jarvis-Judice-Ninke algorithm.
  
  

• const char * STUCKI

  Mnemonic for the Stucki algorithm.
  
  

• const char * VG91

  Mnemonic for the Velho-Gomez-91 algorithm.
  
  

• const char * VG95

  Mnemonic for the Velho-Gomez-95 algorithm.
  
  

• const char * VGEXP

  Mnemonic for the experimental Velho-Gomez algorithm.
  
  

• HalftonerFactory::Repository repository

  The repository.
  
  

Public Methods

• ~HalftonerFactory () throw ()

  Destructor.
  
  

Static Public Methods

Class methods.

• void addHalftoner (const char *key, const Instanciator *instanciator) throw (std::invalid_argument)

  Adds a new algorithm at runtime.
  
  

• Halftoner * getInstance (const char *key) throw (std::invalid_argument)

  Returns a new halftoner object that implements the specified algorithm.
  
  

Private Methods

Disabled operations

• HalftonerFactory () throw ()

  Disable default constructor.
  
  

• HalftonerFactory (const HalftonerFactory &) throw ()

  Disable copy constructor.
  
  

• HalftonerFactory operator= (const HalftonerFactory &) throw ()

  Disable assignement operator.
  
  

Static Private Methods

Accessor.

Gets the repository.

• HalftonerFactory::Repository & getRepository () throw ()

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Constructor & Destructor Documentation

halftoner::HalftonerFactory::HalftonerFactory (    )  throw () [private]

Disable default constructor.

halftoner::HalftonerFactory::HalftonerFactory (  const HalftonerFactory &    )  throw () [private]

Disable copy constructor.

halftoner::HalftonerFactory::~HalftonerFactory (    )  throw ()

Destructor. Definition at line 199 of file HalftonerFactory.cxx.

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Member Function Documentation

void halftoner::HalftonerFactory::addHalftoner (  const char *    key, const Instanciator *    instanciator )  throw (std::invalid_argument) [static]

Adds a new algorithm at runtime. Parameters: key  the unique name of the algorithm. instanciator  the object instanciator. Definition at line 217 of file HalftonerFactory.cxx. References halftoner::HalftonerFactory::Repository::add().

Halftoner * halftoner::HalftonerFactory::getInstance (  const char *    key )  throw (std::invalid_argument) [static]

Returns a new halftoner object that implements the specified algorithm. Parameters: key  the unique name of the algorithm. Returns : a fully functional Halftoner that implements the requested algorithm. The returned object must be manually deleted. Exceptions: std::invalid_argument  if the key does not map. std::invalid_argument  if 0 == key. Definition at line 235 of file HalftonerFactory.cxx. References halftoner::HalftonerFactory::Repository::get().

HalftonerFactory::Repository & halftoner::HalftonerFactory::getRepository (    )  throw () [static, private]

Returns : a reference to the repository. Definition at line 212 of file HalftonerFactory.cxx.

HalftonerFactory halftoner::HalftonerFactory::operator= (  const HalftonerFactory &    )  throw () [private]

Disable assignement operator.

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Member Data Documentation

const char * halftoner::HalftonerFactory::FLOYD_STEINBERG [static]

Mnemonic for the Floyd-Steinberg algorithm. Definition at line 187 of file HalftonerFactory.cxx.

const char * halftoner::HalftonerFactory::JARVIS_JUDICE_NINKE [static]

Mnemonic for the Jarvis-Judice-Ninke algorithm. Definition at line 188 of file HalftonerFactory.cxx.

HalftonerFactory::Repository halftoner::HalftonerFactory::repository [static, private]

The repository. Definition at line 185 of file HalftonerFactory.cxx.

const char * halftoner::HalftonerFactory::STUCKI [static]

Mnemonic for the Stucki algorithm. Definition at line 189 of file HalftonerFactory.cxx.

const char * halftoner::HalftonerFactory::VG91 [static]

Mnemonic for the Velho-Gomez-91 algorithm. Definition at line 190 of file HalftonerFactory.cxx.

const char * halftoner::HalftonerFactory::VG95 [static]

Mnemonic for the Velho-Gomez-95 algorithm. Definition at line 191 of file HalftonerFactory.cxx.

const char * halftoner::HalftonerFactory::VGEXP [static]

Mnemonic for the experimental Velho-Gomez algorithm. Definition at line 192 of file HalftonerFactory.cxx.

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

• HalftonerFactory.h
• HalftonerFactory.cxx

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