#include <fpchop.h>

Inheritance diagram for tesseract::C_OUTLINE_FRAG:

Public Member Functions
	C_OUTLINE_FRAG ()

	~C_OUTLINE_FRAG ()

	C_OUTLINE_FRAG (ICOORD start_pt, ICOORD end_pt, C_OUTLINE *outline, int16_t start_index, int16_t end_index)

	C_OUTLINE_FRAG (C_OUTLINE_FRAG *head, int16_t tail_y)

C_OUTLINE *	close ()

C_OUTLINE_FRAG &	operator= (const C_OUTLINE_FRAG &src)

Public Member Functions inherited from tesseract::ELIST_LINK
	ELIST_LINK ()

	ELIST_LINK (const ELIST_LINK &)

void	operator= (const ELIST_LINK &)

Public Attributes
ICOORD	start

ICOORD	end

DIR128 *	steps

int32_t	stepcount

C_OUTLINE_FRAG *	other_end

int16_t	ycoord

Detailed Description

Definition at line 27 of file fpchop.h.

Constructor & Destructor Documentation

◆ C_OUTLINE_FRAG() [1/3]

tesseract::C_OUTLINE_FRAG::C_OUTLINE_FRAG ( )

inline

Definition at line 29 of file fpchop.h.

                   { // empty constructor
    steps = nullptr;
    stepcount = 0;
  }

◆ ~C_OUTLINE_FRAG()

tesseract::C_OUTLINE_FRAG::~C_OUTLINE_FRAG ( )

inline

Definition at line 33 of file fpchop.h.

                    {
    delete[] steps;
  }

◆ C_OUTLINE_FRAG() [2/3]

tesseract::C_OUTLINE_FRAG::C_OUTLINE_FRAG	(	ICOORD	start_pt,
		ICOORD	end_pt,
		C_OUTLINE *	outline,
		int16_t	start_index,
		int16_t	end_index
	)

Definition at line 553 of file fpchop.cpp.

                                            {
  start = start_pt;
  end = end_pt;
  ycoord = start_pt.y();
  stepcount = end_index - start_index;
  if (stepcount < 0) {
    stepcount += outline->pathlength();
  }
  ASSERT_HOST(stepcount > 0);
  steps = new DIR128[stepcount];
  if (end_index > start_index) {
    for (int i = start_index; i < end_index; ++i) {
      steps[i - start_index] = outline->step_dir(i);
    }
  } else {
    int len = outline->pathlength();
    int i = start_index;
    for (; i < len; ++i) {
      steps[i - start_index] = outline->step_dir(i);
    }
    if (end_index > 0) {
      for (; i < end_index + len; ++i) {
        steps[i - start_index] = outline->step_dir(i - len);
      }
    }
  }
  other_end = nullptr;
  delete close();
}

◆ C_OUTLINE_FRAG() [3/3]

tesseract::C_OUTLINE_FRAG::C_OUTLINE_FRAG	(	C_OUTLINE_FRAG *	head,
		int16_t	tail_y
	)

Definition at line 587 of file fpchop.cpp.

                    {
  ycoord = tail_y;
  other_end = head;
  start = head->start;
  end = head->end;
  steps = nullptr;
  stepcount = 0;
}

Member Function Documentation

◆ close()

C_OUTLINE * tesseract::C_OUTLINE_FRAG::close ( )

Definition at line 766 of file fpchop.cpp.

                                 { // join pieces
  DIR128 *new_steps;                 // new steps
  int32_t new_stepcount;             // no of steps
  int16_t fake_count;                // fake steps
  DIR128 fake_step;                  // step entry
 
  ASSERT_HOST(start.x() == end.x());
  fake_count = start.y() - end.y();
  if (fake_count < 0) {
    fake_count = -fake_count;
    fake_step = 32;
  } else {
    fake_step = 96;
  }
 
  new_stepcount = stepcount + fake_count;
  if (new_stepcount > C_OUTLINE::kMaxOutlineLength) {
    return nullptr; // Can't join them
  }
  new_steps = new DIR128[new_stepcount];
  memmove(new_steps, steps, stepcount);
  memset(new_steps + stepcount, fake_step.get_dir(), fake_count);
  auto *result = new C_OUTLINE(start, new_steps, new_stepcount);
  delete[] new_steps;
  return result;
}

◆ operator=()

C_OUTLINE_FRAG & tesseract::C_OUTLINE_FRAG::operator= ( const C_OUTLINE_FRAG & src )

Definition at line 800 of file fpchop.cpp.

  {
  delete[] steps;
 
  stepcount = src.stepcount;
  steps = new DIR128[stepcount];
  memmove(steps, src.steps, stepcount);
  start = src.start;
  end = src.end;
  ycoord = src.ycoord;
  return *this;
}

Member Data Documentation

◆ end

ICOORD tesseract::C_OUTLINE_FRAG::end

Definition at line 48 of file fpchop.h.

◆ other_end

C_OUTLINE_FRAG* tesseract::C_OUTLINE_FRAG::other_end

Definition at line 51 of file fpchop.h.

◆ start

ICOORD tesseract::C_OUTLINE_FRAG::start

Definition at line 47 of file fpchop.h.

◆ stepcount

int32_t tesseract::C_OUTLINE_FRAG::stepcount

Definition at line 50 of file fpchop.h.

◆ steps

DIR128* tesseract::C_OUTLINE_FRAG::steps

Definition at line 49 of file fpchop.h.

◆ ycoord

int16_t tesseract::C_OUTLINE_FRAG::ycoord

Definition at line 52 of file fpchop.h.

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

/media/home/debian/src/github/tesseract-ocr/tesseract/src/textord/fpchop.h
/media/home/debian/src/github/tesseract-ocr/tesseract/src/textord/fpchop.cpp

Public Member Functions

Public Attributes