tesseract v5.3.3.20231005
Public Member Functions | Static Public Member Functions | List of all members
tesseract::BLOB_CHOICE Class Reference

#include <ratngs.h>

Inheritance diagram for tesseract::BLOB_CHOICE:
tesseract::ELIST_LINK

Public Member Functions

 BLOB_CHOICE ()
 
 BLOB_CHOICE (UNICHAR_ID src_unichar_id, float src_rating, float src_cert, int script_id, float min_xheight, float max_xheight, float yshift, BlobChoiceClassifier c)
 
 BLOB_CHOICE (const BLOB_CHOICE &other)
 
 ~BLOB_CHOICE ()=default
 
UNICHAR_ID unichar_id () const
 
float rating () const
 
float certainty () const
 
int16_t fontinfo_id () const
 
int16_t fontinfo_id2 () const
 
const std::vector< ScoredFont > & fonts () const
 
void set_fonts (const std::vector< ScoredFont > &fonts)
 
int script_id () const
 
const MATRIX_COORD & matrix_cell ()
 
float min_xheight () const
 
float max_xheight () const
 
float yshift () const
 
BlobChoiceClassifier classifier () const
 
bool IsAdapted () const
 
bool IsClassified () const
 
void set_unichar_id (UNICHAR_ID newunichar_id)
 
void set_rating (float newrat)
 
void set_certainty (float newrat)
 
void set_script (int newscript_id)
 
void set_matrix_cell (int col, int row)
 
void set_classifier (BlobChoiceClassifier classifier)
 
bool PosAndSizeAgree (const BLOB_CHOICE &other, float x_height, bool debug) const
 
void print (const UNICHARSET *unicharset) const
 
void print_full () const
 
- Public Member Functions inherited from tesseract::ELIST_LINK
 ELIST_LINK ()
 
 ELIST_LINK (const ELIST_LINK &)
 
void operator= (const ELIST_LINK &)
 

Static Public Member Functions

static BLOB_CHOICE * deep_copy (const BLOB_CHOICE *src)
 
static int SortByRating (const void *p1, const void *p2)
 

Detailed Description

Definition at line 56 of file ratngs.h.

Constructor & Destructor Documentation

◆ BLOB_CHOICE() [1/3]

tesseract::BLOB_CHOICE::BLOB_CHOICE ( )
inline

Definition at line 58 of file ratngs.h.

58 {
59 unichar_id_ = UNICHAR_SPACE;
60 fontinfo_id_ = -1;
61 fontinfo_id2_ = -1;
62 rating_ = 10.0f;
63 certainty_ = -1.0f;
64 script_id_ = -1;
65 min_xheight_ = 0.0f;
66 max_xheight_ = 0.0f;
67 yshift_ = 0.0f;
68 classifier_ = BCC_FAKE;
69 }
tesseract::UNICHAR_SPACE
@ UNICHAR_SPACE
Definition: unicharset.h:36
tesseract::BCC_FAKE
@ BCC_FAKE
Definition: ratngs.h:53

◆ BLOB_CHOICE() [2/3]

tesseract::BLOB_CHOICE::BLOB_CHOICE ( UNICHAR_ID  src_unichar_id,
float  src_rating,
float  src_cert,
int  src_script_id,
float  min_xheight,
float  max_xheight,
float  yshift,
BlobChoiceClassifier  c 
)

BLOB_CHOICE::BLOB_CHOICE

Constructor to build a BLOB_CHOICE from a char, rating and certainty.

Definition at line 88 of file ratngs.cpp.

95 { // adapted match or other
96 unichar_id_ = src_unichar_id;
97 rating_ = src_rating;
98 certainty_ = src_cert;
99 fontinfo_id_ = -1;
100 fontinfo_id2_ = -1;
101 script_id_ = src_script_id;
102 min_xheight_ = min_xheight;
103 max_xheight_ = max_xheight;
104 yshift_ = yshift;
105 classifier_ = c;
106}
tesseract::BLOB_CHOICE::min_xheight
float min_xheight() const
Definition: ratngs.h:124
tesseract::BLOB_CHOICE::yshift
float yshift() const
Definition: ratngs.h:130
tesseract::BLOB_CHOICE::max_xheight
float max_xheight() const
Definition: ratngs.h:127

◆ BLOB_CHOICE() [3/3]

tesseract::BLOB_CHOICE::BLOB_CHOICE ( const BLOB_CHOICE &  other)

BLOB_CHOICE::BLOB_CHOICE

Constructor to build a BLOB_CHOICE from another BLOB_CHOICE.

Definition at line 113 of file ratngs.cpp.

113 : ELIST_LINK(other) {
114 unichar_id_ = other.unichar_id();
115 rating_ = other.rating();
116 certainty_ = other.certainty();
117 fontinfo_id_ = other.fontinfo_id();
118 fontinfo_id2_ = other.fontinfo_id2();
119 script_id_ = other.script_id();
120 matrix_cell_ = other.matrix_cell_;
121 min_xheight_ = other.min_xheight_;
122 max_xheight_ = other.max_xheight_;
123 yshift_ = other.yshift();
124 classifier_ = other.classifier_;
125#ifndef DISABLED_LEGACY_ENGINE
126 fonts_ = other.fonts_;
127#endif // ndef DISABLED_LEGACY_ENGINE
128}

◆ ~BLOB_CHOICE()

tesseract::BLOB_CHOICE::~BLOB_CHOICE ( )
default

Member Function Documentation

◆ certainty()

float tesseract::BLOB_CHOICE::certainty ( ) const
inline

Definition at line 87 of file ratngs.h.

87 {
88 return certainty_;
89 }

◆ classifier()

BlobChoiceClassifier tesseract::BLOB_CHOICE::classifier ( ) const
inline

Definition at line 133 of file ratngs.h.

133 {
134 return classifier_;
135 }

◆ deep_copy()

static BLOB_CHOICE * tesseract::BLOB_CHOICE::deep_copy ( const BLOB_CHOICE *  src)
inlinestatic

Definition at line 163 of file ratngs.h.

163 {
164 auto *choice = new BLOB_CHOICE;
165 *choice = *src;
166 return choice;
167 }

◆ fontinfo_id()

int16_t tesseract::BLOB_CHOICE::fontinfo_id ( ) const
inline

Definition at line 90 of file ratngs.h.

90 {
91 return fontinfo_id_;
92 }

◆ fontinfo_id2()

int16_t tesseract::BLOB_CHOICE::fontinfo_id2 ( ) const
inline

Definition at line 93 of file ratngs.h.

93 {
94 return fontinfo_id2_;
95 }

◆ fonts()

const std::vector< ScoredFont > & tesseract::BLOB_CHOICE::fonts ( ) const
inline

Definition at line 97 of file ratngs.h.

97 {
98 return fonts_;
99 }

◆ IsAdapted()

bool tesseract::BLOB_CHOICE::IsAdapted ( ) const
inline

Definition at line 136 of file ratngs.h.

136 {
137 return classifier_ == BCC_ADAPTED_CLASSIFIER;
138 }
tesseract::BCC_ADAPTED_CLASSIFIER
@ BCC_ADAPTED_CLASSIFIER
Definition: ratngs.h:50

◆ IsClassified()

bool tesseract::BLOB_CHOICE::IsClassified ( ) const
inline

Definition at line 139 of file ratngs.h.

139 {
140 return classifier_ == BCC_STATIC_CLASSIFIER || classifier_ == BCC_ADAPTED_CLASSIFIER ||
141 classifier_ == BCC_SPECKLE_CLASSIFIER;
142 }
tesseract::BCC_SPECKLE_CLASSIFIER
@ BCC_SPECKLE_CLASSIFIER
Definition: ratngs.h:51
tesseract::BCC_STATIC_CLASSIFIER
@ BCC_STATIC_CLASSIFIER
Definition: ratngs.h:49

◆ matrix_cell()

const MATRIX_COORD & tesseract::BLOB_CHOICE::matrix_cell ( )
inline

Definition at line 121 of file ratngs.h.

121 {
122 return matrix_cell_;
123 }

◆ max_xheight()

float tesseract::BLOB_CHOICE::max_xheight ( ) const
inline

Definition at line 127 of file ratngs.h.

127 {
128 return max_xheight_;
129 }

◆ min_xheight()

float tesseract::BLOB_CHOICE::min_xheight ( ) const
inline

Definition at line 124 of file ratngs.h.

124 {
125 return min_xheight_;
126 }

◆ PosAndSizeAgree()

bool tesseract::BLOB_CHOICE::PosAndSizeAgree ( const BLOB_CHOICE &  other,
float  x_height,
bool  debug 
) const

Definition at line 152 of file ratngs.cpp.

152 {
153 double baseline_diff = std::fabs(yshift() - other.yshift());
154 if (baseline_diff > kMaxBaselineDrift * x_height) {
155 if (debug) {
156 tprintf("Baseline diff %g for %d v %d\n", baseline_diff, unichar_id_, other.unichar_id_);
157 }
158 return false;
159 }
160 double this_range = max_xheight() - min_xheight();
161 double other_range = other.max_xheight() - other.min_xheight();
162 double denominator =
163 ClipToRange(std::min(this_range, other_range), 1.0, kMaxOverlapDenominator * x_height);
164 double overlap =
165 std::min(max_xheight(), other.max_xheight()) - std::max(min_xheight(), other.min_xheight());
166 overlap /= denominator;
167 if (debug) {
168 tprintf("PosAndSize for %d v %d: bl diff = %g, ranges %g, %g / %g ->%g\n", unichar_id_,
169 other.unichar_id_, baseline_diff, this_range, other_range, denominator, overlap);
170 }
171
172 return overlap >= kMinXHeightMatch;
173}
tesseract::kMinXHeightMatch
const double kMinXHeightMatch
Definition: ratngs.cpp:48
tesseract::tprintf
void tprintf(const char *format,...)
Definition: tprintf.cpp:41
tesseract::kMaxBaselineDrift
const double kMaxBaselineDrift
Definition: ratngs.cpp:51
tesseract::kMaxOverlapDenominator
const double kMaxOverlapDenominator
Definition: ratngs.cpp:45
tesseract::ClipToRange
T ClipToRange(const T &x, const T &lower_bound, const T &upper_bound)
Definition: helpers.h:105

◆ print()

void tesseract::BLOB_CHOICE::print ( const UNICHARSET *  unicharset) const
inline

Definition at line 172 of file ratngs.h.

172 {
173 tprintf("r%.2f c%.2f x[%g,%g]: %d %s",
174 static_cast<double>(rating_),
175 static_cast<double>(certainty_),
176 static_cast<double>(min_xheight_),
177 static_cast<double>(max_xheight_),
178 unichar_id_, (unicharset == nullptr) ? "" : unicharset->debug_str(unichar_id_).c_str());
179 }

◆ print_full()

void tesseract::BLOB_CHOICE::print_full ( ) const
inline

Definition at line 180 of file ratngs.h.

180 {
181 print(nullptr);
182 tprintf(" script=%d, font1=%d, font2=%d, yshift=%g, classifier=%d\n", script_id_, fontinfo_id_,
183 fontinfo_id2_, static_cast<double>(yshift_), classifier_);
184 }
tesseract::BLOB_CHOICE::print
void print(const UNICHARSET *unicharset) const
Definition: ratngs.h:172

◆ rating()

float tesseract::BLOB_CHOICE::rating ( ) const
inline

Definition at line 84 of file ratngs.h.

84 {
85 return rating_;
86 }

◆ script_id()

int tesseract::BLOB_CHOICE::script_id ( ) const
inline

Definition at line 118 of file ratngs.h.

118 {
119 return script_id_;
120 }

◆ set_certainty()

void tesseract::BLOB_CHOICE::set_certainty ( float  newrat)
inline

Definition at line 150 of file ratngs.h.

150 {
151 certainty_ = newrat;
152 }

◆ set_classifier()

void tesseract::BLOB_CHOICE::set_classifier ( BlobChoiceClassifier  classifier)
inline

Definition at line 160 of file ratngs.h.

160 {
161 classifier_ = classifier;
162 }
tesseract::BLOB_CHOICE::classifier
BlobChoiceClassifier classifier() const
Definition: ratngs.h:133

◆ set_fonts()

void tesseract::BLOB_CHOICE::set_fonts ( const std::vector< ScoredFont > &  fonts)
inline

Definition at line 100 of file ratngs.h.

100 {
101 fonts_ = fonts;
102 int score1 = 0, score2 = 0;
103 fontinfo_id_ = -1;
104 fontinfo_id2_ = -1;
105 for (auto &f : fonts_) {
106 if (f.score > score1) {
107 score2 = score1;
108 fontinfo_id2_ = fontinfo_id_;
109 score1 = f.score;
110 fontinfo_id_ = f.fontinfo_id;
111 } else if (f.score > score2) {
112 score2 = f.score;
113 fontinfo_id2_ = f.fontinfo_id;
114 }
115 }
116 }
tesseract::BLOB_CHOICE::fonts
const std::vector< ScoredFont > & fonts() const
Definition: ratngs.h:97

◆ set_matrix_cell()

void tesseract::BLOB_CHOICE::set_matrix_cell ( int  col,
int  row 
)
inline

Definition at line 156 of file ratngs.h.

156 {
157 matrix_cell_.col = col;
158 matrix_cell_.row = row;
159 }

◆ set_rating()

void tesseract::BLOB_CHOICE::set_rating ( float  newrat)
inline

Definition at line 147 of file ratngs.h.

147 {
148 rating_ = newrat;
149 }

◆ set_script()

void tesseract::BLOB_CHOICE::set_script ( int  newscript_id)
inline

Definition at line 153 of file ratngs.h.

153 {
154 script_id_ = newscript_id;
155 }

◆ set_unichar_id()

void tesseract::BLOB_CHOICE::set_unichar_id ( UNICHAR_ID  newunichar_id)
inline

Definition at line 144 of file ratngs.h.

144 {
145 unichar_id_ = newunichar_id;
146 }

◆ SortByRating()

static int tesseract::BLOB_CHOICE::SortByRating ( const void *  p1,
const void *  p2 
)
inlinestatic

Definition at line 186 of file ratngs.h.

186 {
187 const BLOB_CHOICE *bc1 = *static_cast<const BLOB_CHOICE *const *>(p1);
188 const BLOB_CHOICE *bc2 = *static_cast<const BLOB_CHOICE *const *>(p2);
189 return (bc1->rating_ < bc2->rating_) ? -1 : 1;
190 }

◆ unichar_id()

UNICHAR_ID tesseract::BLOB_CHOICE::unichar_id ( ) const
inline

Definition at line 81 of file ratngs.h.

81 {
82 return unichar_id_;
83 }

◆ yshift()

float tesseract::BLOB_CHOICE::yshift ( ) const
inline

Definition at line 130 of file ratngs.h.

130 {
131 return yshift_;
132 }
The documentation for this class was generated from the following files: