#include <alignedblob.h>

Public Member Functions
	AlignedBlobParams (int vertical_x, int vertical_y, int height, int v_gap_multiple, int min_gutter_width, int resolution, TabAlignment alignment0)

	AlignedBlobParams (int vertical_x, int vertical_y, int width)

void	set_vertical (int vertical_x, int vertical_y)

Public Attributes
double	gutter_fraction

bool	right_tab

bool	ragged

TabAlignment	alignment

TabType	confirmed_type

int	max_v_gap

int	min_gutter

int	l_align_tolerance

int	r_align_tolerance

int	min_points

int	min_length

ICOORD	vertical

Detailed Description

Definition at line 42 of file alignedblob.h.

Constructor & Destructor Documentation

◆ AlignedBlobParams() [1/2]

tesseract::AlignedBlobParams::AlignedBlobParams	(	int	vertical_x,
		int	vertical_y,
		int	height,
		int	v_gap_multiple,
		int	min_gutter_width,
		int	resolution,
		TabAlignment	alignment0
	)

Definition at line 73 of file alignedblob.cpp.

   : right_tab(align0 == TA_RIGHT_RAGGED || align0 == TA_RIGHT_ALIGNED),
     ragged(align0 == TA_LEFT_RAGGED || align0 == TA_RIGHT_RAGGED),
     alignment(align0),
     confirmed_type(TT_CONFIRMED),
     min_length(0) {
   // Set the tolerances according to the type of line sought.
   // For tab search, these are based on the image resolution for most, or
   // the height of the starting blob for the maximum vertical gap.
   max_v_gap = height * v_gap_multiple;
   if (ragged) {
     // In the case of a ragged edge, we are much more generous with the
     // inside alignment fraction, but also require a much bigger gutter.
     gutter_fraction = kRaggedGapFraction;
     if (alignment == TA_RIGHT_RAGGED) {
       l_align_tolerance = static_cast<int>(resolution * kRaggedFraction + 0.5);
       r_align_tolerance = static_cast<int>(resolution * kAlignedFraction + 0.5);
     } else {
       l_align_tolerance = static_cast<int>(resolution * kAlignedFraction + 0.5);
       r_align_tolerance = static_cast<int>(resolution * kRaggedFraction + 0.5);
     }
     min_points = kMinRaggedTabs;
   } else {
     gutter_fraction = kAlignedGapFraction;
     l_align_tolerance = static_cast<int>(resolution * kAlignedFraction + 0.5);
     r_align_tolerance = static_cast<int>(resolution * kAlignedFraction + 0.5);
     min_points = kMinAlignedTabs;
   }
   min_gutter = static_cast<int>(height * gutter_fraction + 0.5);
   if (min_gutter < min_gutter_width)
     min_gutter = min_gutter_width;
   // Fit the vertical vector into an ICOORD, which is 16 bit.
   set_vertical(vertical_x, vertical_y);
 }

◆ AlignedBlobParams() [2/2]

tesseract::AlignedBlobParams::AlignedBlobParams	(	int	vertical_x,
		int	vertical_y,
		int	width
	)

Definition at line 114 of file alignedblob.cpp.

   : gutter_fraction(0.0),
     right_tab(false),
     ragged(false),
     alignment(TA_SEPARATOR),
     confirmed_type(TT_VLINE),
     max_v_gap(kVLineSearchSize),
     min_gutter(kVLineGutter),
     min_points(1),
     min_length(kVLineMinLength) {
   // Compute threshold for left and right alignment.
   l_align_tolerance = std::max(kVLineAlignment, width);
   r_align_tolerance = std::max(kVLineAlignment, width);
  
   // Fit the vertical vector into an ICOORD, which is 16 bit.
   set_vertical(vertical_x, vertical_y);
 }

Member Function Documentation

◆ set_vertical()

void tesseract::AlignedBlobParams::set_vertical	(	int	vertical_x,
		int	vertical_y
	)

Definition at line 134 of file alignedblob.cpp.

                                                                    {
   int factor = 1;
   if (vertical_y > INT16_MAX)
     factor = vertical_y / INT16_MAX + 1;
   vertical.set_x(vertical_x / factor);
   vertical.set_y(vertical_y / factor);
 }

Member Data Documentation

◆ alignment

TabAlignment tesseract::AlignedBlobParams::alignment

Definition at line 64 of file alignedblob.h.

◆ confirmed_type

TabType tesseract::AlignedBlobParams::confirmed_type

Definition at line 65 of file alignedblob.h.

◆ gutter_fraction

double tesseract::AlignedBlobParams::gutter_fraction

Definition at line 61 of file alignedblob.h.

◆ l_align_tolerance

int tesseract::AlignedBlobParams::l_align_tolerance

Definition at line 69 of file alignedblob.h.

◆ max_v_gap

int tesseract::AlignedBlobParams::max_v_gap

Definition at line 66 of file alignedblob.h.

◆ min_gutter

int tesseract::AlignedBlobParams::min_gutter

Definition at line 67 of file alignedblob.h.

◆ min_length

int tesseract::AlignedBlobParams::min_length

Definition at line 73 of file alignedblob.h.

◆ min_points

int tesseract::AlignedBlobParams::min_points

Definition at line 72 of file alignedblob.h.

◆ r_align_tolerance

int tesseract::AlignedBlobParams::r_align_tolerance

Definition at line 70 of file alignedblob.h.

◆ ragged

bool tesseract::AlignedBlobParams::ragged

Definition at line 63 of file alignedblob.h.

◆ right_tab

bool tesseract::AlignedBlobParams::right_tab

Definition at line 62 of file alignedblob.h.

◆ vertical

ICOORD tesseract::AlignedBlobParams::vertical

Definition at line 75 of file alignedblob.h.

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

/tesseract/src/textord/alignedblob.h
/tesseract/src/textord/alignedblob.cpp

Public Member Functions

Public Attributes