tesseract 4.1.1
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ROW_RES Class Reference

#include <pageres.h>

Inheritance diagram for ROW_RES:
ELIST_LINK

Public Member Functions

 ROW_RES ()=default
 
 ROW_RES (bool merge_similar_words, ROW *the_row)
 
 ~ROW_RES ()=default
 
- Public Member Functions inherited from ELIST_LINK
 ELIST_LINK ()
 
 ELIST_LINK (const ELIST_LINK &)
 
void operator= (const ELIST_LINK &)
 

Public Attributes

ROWrow
 
int32_t char_count
 
int32_t rej_count
 
int32_t whole_word_rej_count
 
WERD_RES_LIST word_res_list
 

Detailed Description

Definition at line 138 of file pageres.h.

Constructor & Destructor Documentation

◆ ROW_RES() [1/2]

ROW_RES::ROW_RES ( )
default

◆ ROW_RES() [2/2]

ROW_RES::ROW_RES ( bool  merge_similar_words,
ROW the_row 
)

Definition at line 120 of file pageres.cpp.

120 {
121 WERD_IT word_it(the_row->word_list());
122 WERD_RES_IT word_res_it(&word_res_list);
123 WERD_RES *combo = nullptr; // current combination of fuzzies
124 WERD *copy_word;
125
126 char_count = 0;
127 rej_count = 0;
129
130 row = the_row;
131 bool add_next_word = false;
132 TBOX union_box;
133 float line_height = the_row->x_height() + the_row->ascenders() -
134 the_row->descenders();
135 for (word_it.mark_cycle_pt(); !word_it.cycled_list(); word_it.forward()) {
136 auto* word_res = new WERD_RES(word_it.data());
137 word_res->x_height = the_row->x_height();
138 if (add_next_word) {
139 ASSERT_HOST(combo != nullptr);
140 // We are adding this word to the combination.
141 word_res->part_of_combo = true;
142 combo->copy_on(word_res);
143 } else if (merge_similar_words) {
144 union_box = word_res->word->bounding_box();
145 add_next_word = !word_res->word->flag(W_REP_CHAR) &&
146 union_box.height() <= line_height * kMaxWordSizeRatio;
147 word_res->odd_size = !add_next_word;
148 }
149 WERD* next_word = word_it.data_relative(1);
150 if (merge_similar_words) {
151 if (add_next_word && !next_word->flag(W_REP_CHAR)) {
152 // Next word will be added on if all of the following are true:
153 // Not a rep char.
154 // Box height small enough.
155 // Union box height small enough.
156 // Horizontal gap small enough.
157 TBOX next_box = next_word->bounding_box();
158 int prev_right = union_box.right();
159 union_box += next_box;
160 if (next_box.height() > line_height * kMaxWordSizeRatio ||
161 union_box.height() > line_height * kMaxLineSizeRatio ||
162 next_box.left() > prev_right + line_height * kMaxWordGapRatio) {
163 add_next_word = false;
164 }
165 }
166 next_word->set_flag(W_FUZZY_NON, add_next_word);
167 } else {
168 add_next_word = next_word->flag(W_FUZZY_NON);
169 }
170 if (add_next_word) {
171 if (combo == nullptr) {
172 copy_word = new WERD;
173 *copy_word = *(word_it.data()); // deep copy
174 combo = new WERD_RES(copy_word);
175 combo->x_height = the_row->x_height();
176 combo->combination = true;
177 word_res_it.add_to_end(combo);
178 }
179 word_res->part_of_combo = true;
180 } else {
181 combo = nullptr;
182 }
183 word_res_it.add_to_end(word_res);
184 }
185}
const double kMaxLineSizeRatio
Definition: pageres.cpp:58
const double kMaxWordSizeRatio
Definition: pageres.cpp:56
const double kMaxWordGapRatio
Definition: pageres.cpp:60
@ W_FUZZY_NON
fuzzy nonspace
Definition: werd.h:40
@ W_REP_CHAR
repeated character
Definition: werd.h:38
#define ASSERT_HOST(x)
Definition: errcode.h:88
WERD_LIST * word_list()
Definition: ocrrow.h:55
float descenders() const
Definition: ocrrow.h:85
float ascenders() const
Definition: ocrrow.h:82
float x_height() const
Definition: ocrrow.h:64
int32_t whole_word_rej_count
Definition: pageres.h:143
int32_t rej_count
Definition: pageres.h:142
WERD_RES_LIST word_res_list
Definition: pageres.h:144
ROW * row
Definition: pageres.h:140
int32_t char_count
Definition: pageres.h:141
void copy_on(WERD_RES *word_res)
Definition: pageres.h:660
bool combination
Definition: pageres.h:339
float x_height
Definition: pageres.h:316
Definition: rect.h:34
int16_t height() const
Definition: rect.h:108
int16_t left() const
Definition: rect.h:72
int16_t right() const
Definition: rect.h:79
Definition: werd.h:56
void set_flag(WERD_FLAGS mask, bool value)
Definition: werd.h:118
TBOX bounding_box() const
Definition: werd.cpp:148
bool flag(WERD_FLAGS mask) const
Definition: werd.h:117

◆ ~ROW_RES()

ROW_RES::~ROW_RES ( )
default

Member Data Documentation

◆ char_count

int32_t ROW_RES::char_count

Definition at line 141 of file pageres.h.

◆ rej_count

int32_t ROW_RES::rej_count

Definition at line 142 of file pageres.h.

◆ row

ROW* ROW_RES::row

Definition at line 140 of file pageres.h.

◆ whole_word_rej_count

int32_t ROW_RES::whole_word_rej_count

Definition at line 143 of file pageres.h.

◆ word_res_list

WERD_RES_LIST ROW_RES::word_res_list

Definition at line 144 of file pageres.h.


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