tesseract::RowScratchRegisters Class Reference

#include <paragraphs_internal.h>

Public Member Functions
void	Init (const RowInfo &row)
LineType	GetLineType () const
LineType	GetLineType (const ParagraphModel *model) const
void	SetStartLine ()
void	SetBodyLine ()
void	AddStartLine (const ParagraphModel *model)
void	AddBodyLine (const ParagraphModel *model)
void	SetUnknown ()
void	StartHypotheses (SetOfModels *models) const
void	StrongHypotheses (SetOfModels *models) const
void	NonNullHypotheses (SetOfModels *models) const
void	DiscardNonMatchingHypotheses (const SetOfModels &models)
const ParagraphModel *	UniqueStartHypothesis () const
const ParagraphModel *	UniqueBodyHypothesis () const
int	OffsideIndent (tesseract::ParagraphJustification just) const
int	AlignsideIndent (tesseract::ParagraphJustification just) const
void	AppendDebugInfo (const ParagraphTheory &theory, GenericVector< STRING > *dbg) const

Static Public Member Functions
static void	AppendDebugHeaderFields (GenericVector< STRING > *header)

Public Attributes
const RowInfo *	ri_
int	lmargin_
int	lindent_
int	rindent_
int	rmargin_

Detailed Description

Definition at line 103 of file paragraphs_internal.h.

Member Function Documentation

AddBodyLine()

void tesseract::RowScratchRegisters::AddBodyLine

(

const ParagraphModel *

model

)

Definition at line 604 of file paragraphs.cpp.

                                                                 {
  hypotheses_.push_back_new(LineHypothesis(LT_BODY, model));
  int old_idx = hypotheses_.get_index(LineHypothesis(LT_BODY, nullptr));
  if (old_idx >= 0)
    hypotheses_.remove(old_idx);
}

AddStartLine()

void tesseract::RowScratchRegisters::AddStartLine

(

const ParagraphModel *

model

)

Definition at line 597 of file paragraphs.cpp.

                                                                  {
  hypotheses_.push_back_new(LineHypothesis(LT_START, model));
  int old_idx = hypotheses_.get_index(LineHypothesis(LT_START, nullptr));
  if (old_idx >= 0)
    hypotheses_.remove(old_idx);
}

AlignsideIndent()

int tesseract::RowScratchRegisters::AlignsideIndent ( tesseract::ParagraphJustification  just ) const

inline

Definition at line 158 of file paragraphs_internal.h.

                                                                  {
    switch (just) {
      case tesseract::JUSTIFICATION_RIGHT: return rindent_;
      case tesseract::JUSTIFICATION_LEFT: return lindent_;
      default: return lindent_ > rindent_ ? lindent_ : rindent_;
    }
  }

AppendDebugHeaderFields()

void tesseract::RowScratchRegisters::AppendDebugHeaderFields ( GenericVector< STRING > *  header )

static

Definition at line 490 of file paragraphs.cpp.

                                   {
  header->push_back("[lmarg,lind;rind,rmarg]");
  header->push_back("model");
}

AppendDebugInfo()

void tesseract::RowScratchRegisters::AppendDebugInfo	(	const ParagraphTheory &	theory,
		GenericVector< STRING > *	dbg
	)		const

Definition at line 496 of file paragraphs.cpp.

                                                                            {
  char s[30];
  snprintf(s, sizeof(s), "[%3d,%3d;%3d,%3d]",
           lmargin_, lindent_, rindent_, rmargin_);
  dbg->push_back(s);
  STRING model_string;
  model_string += static_cast<char>(GetLineType());
  model_string += ":";

  int model_numbers = 0;
  for (int h = 0; h < hypotheses_.size(); h++) {
    if (hypotheses_[h].model == nullptr)
      continue;
    if (model_numbers > 0)
      model_string += ",";
    if (StrongModel(hypotheses_[h].model)) {
      model_string += StrOf(1 + theory.IndexOf(hypotheses_[h].model));
    } else if (hypotheses_[h].model == kCrownLeft) {
      model_string += "CrL";
    } else if (hypotheses_[h].model == kCrownRight) {
      model_string += "CrR";
    }
    model_numbers++;
  }
  if (model_numbers == 0)
    model_string += "0";

  dbg->push_back(model_string);
}

DiscardNonMatchingHypotheses()

void tesseract::RowScratchRegisters::DiscardNonMatchingHypotheses

(

const SetOfModels &

models

)

Definition at line 645 of file paragraphs.cpp.

                               {
  if (models.empty())
    return;
  for (int h = hypotheses_.size() - 1; h >= 0; h--) {
    if (!models.contains(hypotheses_[h].model)) {
      hypotheses_.remove(h);
    }
  }
}

GetLineType() [1/2]

LineType tesseract::RowScratchRegisters::GetLineType

(

)

const

Definition at line 535 of file paragraphs.cpp.

                                                {
  if (hypotheses_.empty())
    return LT_UNKNOWN;
  bool has_start = false;
  bool has_body = false;
  for (int i = 0; i < hypotheses_.size(); i++) {
    switch (hypotheses_[i].ty) {
      case LT_START: has_start = true; break;
      case LT_BODY: has_body = true; break;
      default:
        tprintf("Encountered bad value in hypothesis list: %c\n",
                hypotheses_[i].ty);
        break;
    }
  }
  if (has_start && has_body)
    return LT_MULTIPLE;
  return has_start ? LT_START : LT_BODY;
}

GetLineType() [2/2]

LineType tesseract::RowScratchRegisters::GetLineType

(

const ParagraphModel *

model

)

const

Definition at line 555 of file paragraphs.cpp.

                                                                           {
  if (hypotheses_.empty())
    return LT_UNKNOWN;
  bool has_start = false;
  bool has_body = false;
  for (int i = 0; i < hypotheses_.size(); i++) {
    if (hypotheses_[i].model != model)
      continue;
    switch (hypotheses_[i].ty) {
      case LT_START: has_start = true; break;
      case LT_BODY: has_body = true; break;
      default:
        tprintf("Encountered bad value in hypothesis list: %c\n",
                hypotheses_[i].ty);
        break;
    }
  }
  if (has_start && has_body)
    return LT_MULTIPLE;
  return has_start ? LT_START : LT_BODY;
}

Init()

void tesseract::RowScratchRegisters::Init

(

const RowInfo &

row

)

Definition at line 527 of file paragraphs.cpp.

                                                 {
  ri_ = &row;
  lmargin_ = 0;
  lindent_ = row.pix_ldistance;
  rmargin_ = 0;
  rindent_ = row.pix_rdistance;
}

NonNullHypotheses()

void tesseract::RowScratchRegisters::NonNullHypotheses

(

SetOfModels *

models

)

const

Definition at line 625 of file paragraphs.cpp.

                                                                     {
  for (int h = 0; h < hypotheses_.size(); h++) {
    if (hypotheses_[h].model != nullptr)
      models->push_back_new(hypotheses_[h].model);
  }
}

OffsideIndent()

int tesseract::RowScratchRegisters::OffsideIndent ( tesseract::ParagraphJustification  just ) const

inline

Definition at line 149 of file paragraphs_internal.h.

                                                                {
    switch (just) {
      case tesseract::JUSTIFICATION_RIGHT: return lindent_;
      case tesseract::JUSTIFICATION_LEFT: return rindent_;
      default: return lindent_ > rindent_ ? lindent_ : rindent_;
    }
  }

SetBodyLine()

void tesseract::RowScratchRegisters::SetBodyLine

(

)

Definition at line 587 of file paragraphs.cpp.

                                      {
  LineType current_lt = GetLineType();
  if (current_lt != LT_UNKNOWN && current_lt != LT_BODY) {
    tprintf("Trying to set a line to be BODY when it's already START.\n");
  }
  if (current_lt == LT_UNKNOWN || current_lt == LT_START) {
    hypotheses_.push_back_new(LineHypothesis(LT_BODY, nullptr));
  }
}

SetStartLine()

void tesseract::RowScratchRegisters::SetStartLine

(

)

Definition at line 577 of file paragraphs.cpp.

                                       {
  LineType current_lt = GetLineType();
  if (current_lt != LT_UNKNOWN && current_lt != LT_START) {
    tprintf("Trying to set a line to be START when it's already BODY.\n");
  }
  if (current_lt == LT_UNKNOWN || current_lt == LT_BODY) {
    hypotheses_.push_back_new(LineHypothesis(LT_START, nullptr));
  }
}

SetUnknown()

void tesseract::RowScratchRegisters::SetUnknown ( )

inline

Definition at line 126 of file paragraphs_internal.h.

{ hypotheses_.truncate(0); }

StartHypotheses()

void tesseract::RowScratchRegisters::StartHypotheses

(

SetOfModels *

models

)

const

Definition at line 611 of file paragraphs.cpp.

                                                                   {
  for (int h = 0; h < hypotheses_.size(); h++) {
    if (hypotheses_[h].ty == LT_START && StrongModel(hypotheses_[h].model))
      models->push_back_new(hypotheses_[h].model);
  }
}

StrongHypotheses()

void tesseract::RowScratchRegisters::StrongHypotheses

(

SetOfModels *

models

)

const

Definition at line 618 of file paragraphs.cpp.

                                                                    {
  for (int h = 0; h < hypotheses_.size(); h++) {
    if (StrongModel(hypotheses_[h].model))
      models->push_back_new(hypotheses_[h].model);
  }
}

UniqueBodyHypothesis()

const ParagraphModel * tesseract::RowScratchRegisters::UniqueBodyHypothesis

(

)

const

Definition at line 638 of file paragraphs.cpp.

                                                                      {
  if (hypotheses_.size() != 1 || hypotheses_[0].ty != LT_BODY)
    return nullptr;
  return hypotheses_[0].model;
}

UniqueStartHypothesis()

const ParagraphModel * tesseract::RowScratchRegisters::UniqueStartHypothesis

(

)

const

Definition at line 632 of file paragraphs.cpp.

                                                                       {
  if (hypotheses_.size() != 1 || hypotheses_[0].ty != LT_START)
    return nullptr;
  return hypotheses_[0].model;
}

Member Data Documentation

lindent_

int tesseract::RowScratchRegisters::lindent_

Definition at line 181 of file paragraphs_internal.h.

lmargin_

int tesseract::RowScratchRegisters::lmargin_

Definition at line 180 of file paragraphs_internal.h.

ri_

const RowInfo* tesseract::RowScratchRegisters::ri_

Definition at line 173 of file paragraphs_internal.h.

rindent_

int tesseract::RowScratchRegisters::rindent_

Definition at line 182 of file paragraphs_internal.h.

rmargin_

int tesseract::RowScratchRegisters::rmargin_

Definition at line 183 of file paragraphs_internal.h.

---

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

• /usr/src/tesseract-ocr.master/src/ccmain/paragraphs_internal.h
• /usr/src/tesseract-ocr.master/src/ccmain/paragraphs.cpp