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mln::accu::count_labels< L > Struct Template Reference

Count the number of different labels in an image. More...

#include <count_labels.hh>

Inherits mln::accu::internal::base< unsigned, count_labels< L > >.

Public Member Functions

bool is_valid () const
 Check whether this accu is able to return a result.
 
void take_as_init (const T &t)
 Take as initialization the value t.
 
void take_n_times (unsigned n, const T &t)
 Take n times the value t.
 
unsigned to_result () const
 Get the value of the accumulator.
 
void init ()
 Manipulators.
 
void set_value (unsigned c)
 Force the value of the counter to c.
 

Detailed Description

template<typename L>
struct mln::accu::count_labels< L >

Count the number of different labels in an image.

The parameter L is the label type to be count.

Definition at line 52 of file count_labels.hh.

Member Function Documentation

template<typename L >
void mln::accu::count_labels< L >::init ( )
inline

Manipulators.

Definition at line 113 of file count_labels.hh.

template<typename L >
bool mln::accu::count_labels< L >::is_valid ( ) const
inline

Check whether this accu is able to return a result.

Always true here.

Definition at line 163 of file count_labels.hh.

template<typename L >
void mln::accu::count_labels< L >::set_value ( unsigned  c)
inline

Force the value of the counter to c.

Definition at line 155 of file count_labels.hh.

void mln::Accumulator< count_labels< L > >::take_as_init ( const T &  t)
inherited

Take as initialization the value t.

Dev note: this is a final method; override if needed by take_as_init_ (ending with '_').

void mln::Accumulator< count_labels< L > >::take_n_times ( unsigned  n,
const T &  t 
)
inherited

Take n times the value t.

Dev note: this is a final method; override if needed by take_as_init_ (ending with '_').

template<typename L >
unsigned mln::accu::count_labels< L >::to_result ( ) const
inline

Get the value of the accumulator.

Definition at line 146 of file count_labels.hh.