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halftoner::ErrorDiffusionHalftoner::PathStrategy Class Reference

#include <ErrorDiffusionHalftoner.h>

Inheritance diagram for halftoner::ErrorDiffusionHalftoner::PathStrategy:

[legend]List of all members.

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Detailed Description

Class PathStrategy is the interface for the scan strategy used by the error diffusion algorithm.

Definition at line 52 of file ErrorDiffusionHalftoner.h.

Public Methods

• virtual ~PathStrategy () throw ()

  Destructor.
  
  

Abstract method

• virtual Image * operator() (ErrorDiffusionHalftoner &halftoner, const Image &source, int threshold)=0 throw ()

  Applies the strategy.
  
  

Protected Methods

• PathStrategy () throw ()

  Constructor.
  
  

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Constructor & Destructor Documentation

halftoner::ErrorDiffusionHalftoner::PathStrategy::PathStrategy (    )  throw () [protected]

Constructor. Definition at line 45 of file ErrorDiffusionHalftoner.cxx.

halftoner::ErrorDiffusionHalftoner::PathStrategy::~PathStrategy (    )  throw () [virtual]

Destructor. Definition at line 55 of file ErrorDiffusionHalftoner.cxx.

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Member Function Documentation

virtual Image* halftoner::ErrorDiffusionHalftoner::PathStrategy::operator() (  ErrorDiffusionHalftoner &    halftoner, const Image &    source, int    threshold )  throw () [pure virtual]

Applies the strategy. Parameters: halftoner  the halftoner to apply the strategy on. source  the source image. threshold  the threshold of the algorithm. Returns : the halftoned image. Implemented in halftoner::ErrorDiffusionHalftoner::ScanlinePathStrategy, and halftoner::ErrorDiffusionHalftoner::SerpentinePathStrategy.

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

• ErrorDiffusionHalftoner.h
• ErrorDiffusionHalftoner.cxx

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