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halftoner::VG91 Class Reference

#include <VG91.h>

Inheritance diagram for halftoner::VG91:

[legend]Collaboration diagram for halftoner::VG91:

[legend]List of all members.

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Detailed Description

Class VG91 implements the technique invented by the pair Velho-Gomes in 1991.

Definition at line 42 of file VG91.h.

Public Methods

• VG91 () throw ()

  Constructor.
  
  

• ~VG91 ()

  Destructor.
  
  

Implemented method from class Halftoner

• Image * halftone (const Image &source, const HalftonerSpec *spec) throw (std::invalid_argument)

  Halftones the given image according to the given specifications.
  
  

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Constructor & Destructor Documentation

halftoner::VG91::VG91 (    )  throw ()

Constructor. Definition at line 40 of file VG91.cxx.

halftoner::VG91::~VG91 (    )

Destructor. Definition at line 50 of file VG91.cxx.

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Member Function Documentation

Image * halftoner::VG91::halftone (  const Image &    source, const HalftonerSpec *    spec )  throw (std::invalid_argument) [virtual]

Halftones the given image according to the given specifications. Parameters: source  the source image. spec  the specifications of the algorithm. Returns : the halftoned image, which must be manually deleted. Exceptions: std::invalid_argument  if the image is not square. std::invalid_argument  if the dimension of the image is not a power of 2 greater than or equal to 32 and less than or equal to 512. Todo: make this better. Implements halftoner::Halftoner. Definition at line 60 of file VG91.cxx. References halftoner::VGSpec::getClusterSize(), halftoner::VGSpec::getMnemonic(), and halftoner::Image::setColorAt().

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

• VG91.h
• VG91.cxx

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