tesseract 3.04.01
Public Member Functions | Protected Attributes | Friends

tesseract::LTRResultIterator Class Reference

#include <ltrresultiterator.h>

Inheritance diagram for tesseract::LTRResultIterator:
tesseract::PageIterator tesseract::ResultIterator tesseract::MutableIterator

List of all members.

Public Member Functions

 LTRResultIterator (PAGE_RES *page_res, Tesseract *tesseract, int scale, int scaled_yres, int rect_left, int rect_top, int rect_width, int rect_height)
virtual ~LTRResultIterator ()
char * GetUTF8Text (PageIteratorLevel level) const
void SetLineSeparator (const char *new_line)
void SetParagraphSeparator (const char *new_para)
float Confidence (PageIteratorLevel level) const
void RowAttributes (float *row_height, float *descenders, float *ascenders) const
const char * WordFontAttributes (bool *is_bold, bool *is_italic, bool *is_underlined, bool *is_monospace, bool *is_serif, bool *is_smallcaps, int *pointsize, int *font_id) const
const char * WordRecognitionLanguage () const
StrongScriptDirection WordDirection () const
bool WordIsFromDictionary () const
bool WordIsNumeric () const
bool HasBlamerInfo () const
const void * GetParamsTrainingBundle () const
const char * GetBlamerDebug () const
const char * GetBlamerMisadaptionDebug () const
bool HasTruthString () const
bool EquivalentToTruth (const char *str) const
char * WordTruthUTF8Text () const
char * WordNormedUTF8Text () const
const char * WordLattice (int *lattice_size) const
bool SymbolIsSuperscript () const
bool SymbolIsSubscript () const
bool SymbolIsDropcap () const

Protected Attributes

const char * line_separator_
const char * paragraph_separator_

Friends

class ChoiceIterator

Detailed Description

Definition at line 46 of file ltrresultiterator.h.

Constructor & Destructor Documentation

usr src packages BUILD tesseract ccmain ltrresultiterator cpp tesseract::LTRResultIterator::LTRResultIterator ( PAGE_RES *  page_res,
Tesseract *  tesseract,
int  scale,
int  scaled_yres,
int  rect_left,
int  rect_top,
int  rect_width,
int  rect_height 
)

Definition at line 31 of file ltrresultiterator.cpp.

  : PageIterator(page_res, tesseract, scale, scaled_yres,
                 rect_left, rect_top, rect_width, rect_height),
    line_separator_("\n"),
    paragraph_separator_("\n") {
}
tesseract::LTRResultIterator::~LTRResultIterator ( ) [virtual]

Definition at line 41 of file ltrresultiterator.cpp.

Member Function Documentation

float tesseract::LTRResultIterator::Confidence ( PageIteratorLevel  level) const

Definition at line 95 of file ltrresultiterator.cpp.

                 {
    case RIL_BLOCK:
      do {
        best_choice = res_it.word()->best_choice;
        ASSERT_HOST(best_choice != NULL);
        mean_certainty += best_choice->certainty();
        ++certainty_count;
        res_it.forward();
      } while (res_it.block() == res_it.prev_block());
      break;
    case RIL_PARA:
      do {
        best_choice = res_it.word()->best_choice;
        ASSERT_HOST(best_choice != NULL);
        mean_certainty += best_choice->certainty();
        ++certainty_count;
        res_it.forward();
      } while (res_it.block() == res_it.prev_block() &&
               res_it.row()->row->para() == res_it.prev_row()->row->para());
      break;
    case RIL_TEXTLINE:
      do {
        best_choice = res_it.word()->best_choice;
        ASSERT_HOST(best_choice != NULL);
        mean_certainty += best_choice->certainty();
        ++certainty_count;
        res_it.forward();
      } while (res_it.row() == res_it.prev_row());
      break;
    case RIL_WORD:
      mean_certainty += best_choice->certainty();
     ++certainty_count;
      break;
    case RIL_SYMBOL:
      mean_certainty += best_choice->certainty(blob_index_);
      ++certainty_count;
  }
  if (certainty_count > 0) {
    mean_certainty /= certainty_count;
    float confidence = 100 + 5 * mean_certainty;
    if (confidence < 0.0f) confidence = 0.0f;
    if (confidence > 100.0f) confidence = 100.0f;
    return confidence;
  }
  return 0.0f;
}
bool tesseract::LTRResultIterator::EquivalentToTruth ( const char *  str) const

Definition at line 269 of file ltrresultiterator.cpp.

const char * tesseract::LTRResultIterator::GetBlamerDebug ( ) const

Definition at line 247 of file ltrresultiterator.cpp.

const char * tesseract::LTRResultIterator::GetBlamerMisadaptionDebug ( ) const

Definition at line 253 of file ltrresultiterator.cpp.

const void * tesseract::LTRResultIterator::GetParamsTrainingBundle ( ) const

Definition at line 240 of file ltrresultiterator.cpp.

                                                              : NULL;
}
char * tesseract::LTRResultIterator::GetUTF8Text ( PageIteratorLevel  level) const

Reimplemented in tesseract::ResultIterator.

Definition at line 46 of file ltrresultiterator.cpp.

                           {
    text = res_it.word()->BestUTF8(blob_index_, false);
  } else if (level == RIL_WORD) {
    text = best_choice->unichar_string();
  } else {
    bool eol = false;  // end of line?
    bool eop = false;  // end of paragraph?
    do {  // for each paragraph in a block
      do {  // for each text line in a paragraph
        do {  // for each word in a text line
          best_choice = res_it.word()->best_choice;
          ASSERT_HOST(best_choice != NULL);
          text += best_choice->unichar_string();
          text += " ";
          res_it.forward();
          eol = res_it.row() != res_it.prev_row();
        } while (!eol);
        text.truncate_at(text.length() - 1);
        text += line_separator_;
        eop = res_it.block() != res_it.prev_block() ||
            res_it.row()->row->para() != res_it.prev_row()->row->para();
      } while (level != RIL_TEXTLINE && !eop);
      if (eop) text += paragraph_separator_;
    } while (level == RIL_BLOCK && res_it.block() == res_it.prev_block());
  }
  int length = text.length() + 1;
  char* result = new char[length];
  strncpy(result, text.string(), length);
  return result;
}
bool tesseract::LTRResultIterator::HasBlamerInfo ( ) const

Definition at line 233 of file ltrresultiterator.cpp.

bool tesseract::LTRResultIterator::HasTruthString ( ) const

Definition at line 258 of file ltrresultiterator.cpp.

                                             {
    return false;  // no truth information for this word
  }
  return true;
}
void tesseract::LTRResultIterator::RowAttributes ( float *  row_height,
float *  descenders,
float *  ascenders 
) const

Definition at line 149 of file ltrresultiterator.cpp.

                                                              {
    *row_height = it_->row()->row->x_height() + it_->row()-> row->ascenders()
                  - it_->row()->row->descenders();
    *descenders = it_->row()->row->descenders();
    *ascenders = it_->row()->row->ascenders();
}
void tesseract::LTRResultIterator::SetLineSeparator ( const char *  new_line)

Definition at line 84 of file ltrresultiterator.cpp.

void tesseract::LTRResultIterator::SetParagraphSeparator ( const char *  new_para)

Definition at line 89 of file ltrresultiterator.cpp.

bool tesseract::LTRResultIterator::SymbolIsDropcap ( ) const

Definition at line 335 of file ltrresultiterator.cpp.

bool tesseract::LTRResultIterator::SymbolIsSubscript ( ) const

Definition at line 326 of file ltrresultiterator.cpp.

bool tesseract::LTRResultIterator::SymbolIsSuperscript ( ) const

Definition at line 316 of file ltrresultiterator.cpp.

StrongScriptDirection tesseract::LTRResultIterator::WordDirection ( ) const

Definition at line 204 of file ltrresultiterator.cpp.

const char * tesseract::LTRResultIterator::WordFontAttributes ( bool *  is_bold,
bool *  is_italic,
bool *  is_underlined,
bool *  is_monospace,
bool *  is_serif,
bool *  is_smallcaps,
int *  pointsize,
int *  font_id 
) const

Definition at line 166 of file ltrresultiterator.cpp.

                                                                      {
  if (it_->word() == NULL) return NULL;  // Already at the end!
  if (it_->word()->fontinfo == NULL) {
    *font_id = -1;
    return NULL;  // No font information.
  }
  const FontInfo& font_info = *it_->word()->fontinfo;
  *font_id = font_info.universal_id;
  *is_bold = font_info.is_bold();
  *is_italic = font_info.is_italic();
  *is_underlined = false;  // TODO(rays) fix this!
  *is_monospace = font_info.is_fixed_pitch();
  *is_serif = font_info.is_serif();
  *is_smallcaps = it_->word()->small_caps;
  float row_height = it_->row()->row->x_height() +
      it_->row()->row->ascenders() - it_->row()->row->descenders();
  // Convert from pixels to printers points.
  *pointsize = scaled_yres_ > 0
      ? static_cast<int>(row_height * kPointsPerInch / scaled_yres_ + 0.5)
      : 0;

  return font_info.name;
}
bool tesseract::LTRResultIterator::WordIsFromDictionary ( ) const

Definition at line 218 of file ltrresultiterator.cpp.

bool tesseract::LTRResultIterator::WordIsNumeric ( ) const

Definition at line 226 of file ltrresultiterator.cpp.

const char * tesseract::LTRResultIterator::WordLattice ( int *  lattice_size) const

Definition at line 306 of file ltrresultiterator.cpp.

char * tesseract::LTRResultIterator::WordNormedUTF8Text ( ) const

Definition at line 289 of file ltrresultiterator.cpp.

                                                  {
    ocr_text += unicharset->get_normed_unichar(best_choice->unichar_id(i));
  }
  int length = ocr_text.length() + 1;
  char* result = new char[length];
  strncpy(result, ocr_text.string(), length);
  return result;
}
const char * tesseract::LTRResultIterator::WordRecognitionLanguage ( ) const

Definition at line 198 of file ltrresultiterator.cpp.

char * tesseract::LTRResultIterator::WordTruthUTF8Text ( ) const

Definition at line 278 of file ltrresultiterator.cpp.

Friends And Related Function Documentation

friend class ChoiceIterator [friend]

Definition at line 47 of file ltrresultiterator.h.

Member Data Documentation

const char* tesseract::LTRResultIterator::line_separator_ [protected]

Definition at line 181 of file ltrresultiterator.h.

const char* tesseract::LTRResultIterator::paragraph_separator_ [protected]

Definition at line 182 of file ltrresultiterator.h.

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