tesseract::Shape Class Reference

#include <shapetable.h>

Public Member Functions
	Shape ()
bool	Serialize (FILE *fp) const
bool	DeSerialize (TFile *fp)
int	destination_index () const
void	set_destination_index (int index)
int	size () const
const UnicharAndFonts &	operator[] (int index) const
void	SetUnicharId (int index, int unichar_id)
void	AddToShape (int unichar_id, int font_id)
void	AddShape (const Shape &other)
bool	ContainsUnicharAndFont (int unichar_id, int font_id) const
bool	ContainsUnichar (int unichar_id) const
bool	ContainsFont (int font_id) const
bool	ContainsFontProperties (const FontInfoTable &font_table, uint32_t properties) const
bool	ContainsMultipleFontProperties (const FontInfoTable &font_table) const
bool	operator== (const Shape &other) const
bool	IsSubsetOf (const Shape &other) const
bool	IsEqualUnichars (Shape *other)

Detailed Description

Definition at line 154 of file shapetable.h.

Constructor & Destructor Documentation

Shape()

tesseract::Shape::Shape ( )

inline

Definition at line 156 of file shapetable.h.

: destination_index_(-1) {}

Member Function Documentation

AddShape()

void tesseract::Shape::AddShape

(

const Shape &

other

)

Definition at line 123 of file shapetable.cpp.

                                       {
  for (const auto &unichar : other.unichars_) {
    for (unsigned f = 0; f < unichar.font_ids.size(); ++f) {
      AddToShape(unichar.unichar_id, unichar.font_ids[f]);
    }
  }
  unichars_sorted_ = unichars_.size() <= 1;
}

AddToShape()

void tesseract::Shape::AddToShape	(	int	unichar_id,
		int	font_id
	)

Definition at line 103 of file shapetable.cpp.

                                                  {
  for (auto &unichar : unichars_) {
    if (unichar.unichar_id == unichar_id) {
      // Found the unichar in the shape table.
      std::vector<int> &font_list = unichar.font_ids;
      for (int f : font_list) {
        if (f == font_id) {
          return; // Font is already there.
        }
      }
      font_list.push_back(font_id);
      return;
    }
  }
  // Unichar_id is not in shape, so add it to shape.
  unichars_.emplace_back(unichar_id, font_id);
  unichars_sorted_ = unichars_.size() <= 1;
}

ContainsFont()

bool tesseract::Shape::ContainsFont

(

int

font_id

)

const

Definition at line 160 of file shapetable.cpp.

                                          {
  for (const auto &unichar : unichars_) {
    auto &font_list = unichar.font_ids;
    for (int f : font_list) {
      if (f == font_id) {
        return true;
      }
    }
  }
  return false;
}

ContainsFontProperties()

bool tesseract::Shape::ContainsFontProperties	(	const FontInfoTable &	font_table,
		uint32_t	properties
	)		const

Definition at line 173 of file shapetable.cpp.

                                                                                             {
  for (const auto &unichar : unichars_) {
    auto &font_list = unichar.font_ids;
    for (int f : font_list) {
      if (font_table.at(f).properties == properties) {
        return true;
      }
    }
  }
  return false;
}

ContainsMultipleFontProperties()

bool tesseract::Shape::ContainsMultipleFontProperties

(

const FontInfoTable &

font_table

)

const

Definition at line 186 of file shapetable.cpp.

                                                                                {
  uint32_t properties = font_table.at(unichars_[0].font_ids[0]).properties;
  for (const auto &unichar : unichars_) {
    auto &font_list = unichar.font_ids;
    for (int f : font_list) {
      if (font_table.at(f).properties != properties) {
        return true;
      }
    }
  }
  return false;
}

ContainsUnichar()

bool tesseract::Shape::ContainsUnichar

(

int

unichar_id

)

const

Definition at line 150 of file shapetable.cpp.

                                                {
  for (const auto &unichar : unichars_) {
    if (unichar.unichar_id == unichar_id) {
      return true;
    }
  }
  return false;
}

ContainsUnicharAndFont()

bool tesseract::Shape::ContainsUnicharAndFont	(	int	unichar_id,
		int	font_id
	)		const

Definition at line 133 of file shapetable.cpp.

                                                                    {
  for (const auto &unichar : unichars_) {
    if (unichar.unichar_id == unichar_id) {
      // Found the unichar, so look for the font.
      auto &font_list = unichar.font_ids;
      for (int f : font_list) {
        if (f == font_id) {
          return true;
        }
      }
      return false;
    }
  }
  return false;
}

DeSerialize()

bool tesseract::Shape::DeSerialize

(

TFile *

fp

)

Definition at line 92 of file shapetable.cpp.

                                 {
  uint8_t sorted;
  if (!fp->DeSerialize(&sorted)) {
    return false;
  }
  unichars_sorted_ = sorted != 0;
  return fp->DeSerialize(unichars_);
}

destination_index()

int tesseract::Shape::destination_index ( ) const

inline

Definition at line 163 of file shapetable.h.

                                {
    return destination_index_;
  }

IsEqualUnichars()

bool tesseract::Shape::IsEqualUnichars

(

Shape *

other

)

Definition at line 222 of file shapetable.cpp.

                                        {
  if (unichars_.size() != other->unichars_.size()) {
    return false;
  }
  if (!unichars_sorted_) {
    SortUnichars();
  }
  if (!other->unichars_sorted_) {
    other->SortUnichars();
  }
  for (unsigned c = 0; c < unichars_.size(); ++c) {
    if (unichars_[c].unichar_id != other->unichars_[c].unichar_id) {
      return false;
    }
  }
  return true;
}

IsSubsetOf()

bool tesseract::Shape::IsSubsetOf

(

const Shape &

other

)

const

Definition at line 206 of file shapetable.cpp.

                                               {
  for (const auto &unichar : unichars_) {
    int unichar_id = unichar.unichar_id;
    const std::vector<int> &font_list = unichar.font_ids;
    for (int f : font_list) {
      if (!other.ContainsUnicharAndFont(unichar_id, f)) {
        return false;
      }
    }
  }
  return true;
}

operator==()

bool tesseract::Shape::operator==

(

const Shape &

other

)

const

Definition at line 201 of file shapetable.cpp.

                                               {
  return IsSubsetOf(other) && other.IsSubsetOf(*this);
}

operator[]()

const UnicharAndFonts & tesseract::Shape::operator[] ( int  index ) const

inline

Definition at line 174 of file shapetable.h.

                                                     {
    return unichars_[index];
  }

Serialize()

bool tesseract::Shape::Serialize

(

FILE *

fp

)

const

Definition at line 86 of file shapetable.cpp.

                                    {
  uint8_t sorted = unichars_sorted_;
  return tesseract::Serialize(fp, &sorted) && tesseract::Serialize(fp, unichars_);
}

set_destination_index()

void tesseract::Shape::set_destination_index ( int  index )

inline

Definition at line 166 of file shapetable.h.

                                        {
    destination_index_ = index;
  }

SetUnicharId()

void tesseract::Shape::SetUnicharId ( int  index, int  unichar_id  )

inline

Definition at line 178 of file shapetable.h.

                                               {
    unichars_[index].unichar_id = unichar_id;
  }

size()

int tesseract::Shape::size ( ) const

inline

Definition at line 169 of file shapetable.h.

                   {
    return unichars_.size();
  }

---

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

• /media/home/debian/src/github/tesseract-ocr/tesseract/src/classify/shapetable.h
• /media/home/debian/src/github/tesseract-ocr/tesseract/src/classify/shapetable.cpp