tesseract  4.1.0
tesseract::ChoiceIterator Class Reference

#include <ltrresultiterator.h>

Public Member Functions

 ChoiceIterator (const LTRResultIterator &result_it)
 
 ~ChoiceIterator ()
 
bool Next ()
 
const char * GetUTF8Text () const
 
float Confidence () const
 

Detailed Description

Definition at line 191 of file ltrresultiterator.h.

Constructor & Destructor Documentation

tesseract::ChoiceIterator::ChoiceIterator ( const LTRResultIterator result_it)
explicit

Definition at line 357 of file ltrresultiterator.cpp.

357  {
358  ASSERT_HOST(result_it.it_->word() != nullptr);
359  word_res_ = result_it.it_->word();
360  BLOB_CHOICE_LIST* choices = nullptr;
361  if (word_res_->ratings != nullptr)
362  choices = word_res_->GetBlobChoices(result_it.blob_index_);
363  if (choices != nullptr && !choices->empty()) {
364  choice_it_ = new BLOB_CHOICE_IT(choices);
365  choice_it_->mark_cycle_pt();
366  } else {
367  choice_it_ = nullptr;
368  }
369 }
#define ASSERT_HOST(x)
Definition: errcode.h:88
WERD * word
Definition: pageres.h:188
tesseract::ChoiceIterator::~ChoiceIterator ( )

Definition at line 370 of file ltrresultiterator.cpp.

370 { delete choice_it_; }

Member Function Documentation

float tesseract::ChoiceIterator::Confidence ( ) const

Definition at line 394 of file ltrresultiterator.cpp.

394  {
395  if (choice_it_ == nullptr) return 0.0f;
396  float confidence = 100 + 5 * choice_it_->data()->certainty();
397  if (confidence < 0.0f) confidence = 0.0f;
398  if (confidence > 100.0f) confidence = 100.0f;
399  return confidence;
400 }
const char * tesseract::ChoiceIterator::GetUTF8Text ( ) const

Definition at line 382 of file ltrresultiterator.cpp.

382  {
383  if (choice_it_ == nullptr) return nullptr;
384  UNICHAR_ID id = choice_it_->data()->unichar_id();
385  return word_res_->uch_set->id_to_unichar_ext(id);
386 }
const char * id_to_unichar_ext(UNICHAR_ID id) const
Definition: unicharset.cpp:299
const UNICHARSET * uch_set
Definition: pageres.h:205
int UNICHAR_ID
Definition: unichar.h:34
bool tesseract::ChoiceIterator::Next ( )

Definition at line 374 of file ltrresultiterator.cpp.

374  {
375  if (choice_it_ == nullptr) return false;
376  choice_it_->forward();
377  return !choice_it_->cycled_list();
378 }

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