mirror/tesseract
1
0
Fork 0
mirror of https://github.com/tesseract-ocr/tesseract.git synced 2025-01-22 01:30:49 +08:00
Code Issues Actions 11 Packages Projects Releases Wiki Activity

Disabled legacy build: Disable more unused code

Browse Source
This commit is contained in:
amitdo 2020-06-24 22:02:52 +03:00
parent ca0a6c9d37
commit efae270dea
1 changed files with 19 additions and 28 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

47
src/ccmain/applybox.cpp
View File

@ -16,22 +16,26 @@
*
**********************************************************************/
#ifndef DISABLED_LEGACY_ENGINE
#include <cctype>
#include <cerrno>
#include <cstring>
#include "allheaders.h"
#include "boxread.h"
#endif // ndef DISABLED_LEGACY_ENGINE
#include "pageres.h"
#include <tesseract/unichar.h>
#include "unicharset.h"
#include "tesseractclass.h"
#include <tesseract/genericvector.h>
#ifndef DISABLED_LEGACY_ENGINE
/** Max number of blobs to classify together in FindSegmentation. */
const int kMaxGroupSize = 4;
/// Max fraction of median allowed as deviation in xheight before switching
/// to median.
const double kMaxXHeightDeviationFraction = 0.125;
#endif // ndef DISABLED_LEGACY_ENGINE
/**
* The box file is assumed to contain box definitions, one per line, of the
@ -160,7 +164,6 @@ PAGE_RES* Tesseract::ApplyBoxes(const STRING& fname,
TidyUp(page_res);
return page_res;
}
#endif // ndef DISABLED_LEGACY_ENGINE
// Helper computes median xheight in the image.
static double MedianXHeight(BLOCK_LIST *block_list) {
@ -200,8 +203,6 @@ void Tesseract::PreenXHeights(BLOCK_LIST *block_list) {
}
}
#ifndef DISABLED_LEGACY_ENGINE
/// Builds a PAGE_RES from the block_list in the way required for ApplyBoxes:
/// All fuzzy spaces are removed, and all the words are maximally chopped.
PAGE_RES* Tesseract::SetupApplyBoxes(const GenericVector<TBOX>& boxes,
@ -527,8 +528,6 @@ void Tesseract::ReSegmentByClassification(PAGE_RES* page_res) {
}
}
#endif // ndef DISABLED_LEGACY_ENGINE
/// Converts the space-delimited string of utf8 text to a vector of UNICHAR_ID.
/// @return false if an invalid UNICHAR_ID is encountered.
bool Tesseract::ConvertStringToUnichars(const char* utf8,
@ -549,9 +548,6 @@ bool Tesseract::ConvertStringToUnichars(const char* utf8,
return true;
}
#ifndef DISABLED_LEGACY_ENGINE
/// Resegments the word to achieve the target_text from the classifier.
/// Returns false if the re-segmentation fails.
/// Uses brute-force combination of up to #kMaxGroupSize adjacent blobs, and
@ -762,8 +758,6 @@ void Tesseract::TidyUp(PAGE_RES* page_res) {
}
}
#endif // ndef DISABLED_LEGACY_ENGINE
/** Logs a bad box by line in the box file and box coords.*/
void Tesseract::ReportFailedBox(int boxfile_lineno, TBOX box,
const char *box_ch, const char *err_msg) {
@ -772,6 +766,21 @@ void Tesseract::ReportFailedBox(int boxfile_lineno, TBOX box,
box.left(), box.bottom(), box.right(), box.top(), err_msg);
}
/// Calls #LearnWord to extract features for labelled blobs within each word.
/// Features are stored in an internal buffer.
void Tesseract::ApplyBoxTraining(const STRING& fontname, PAGE_RES* page_res) {
PAGE_RES_IT pr_it(page_res);
int word_count = 0;
for (WERD_RES *word_res = pr_it.word(); word_res != nullptr;
word_res = pr_it.forward()) {
LearnWord(fontname.c_str(), word_res);
++word_count;
}
tprintf("Generated training data for %d words\n", word_count);
}
#endif // ndef DISABLED_LEGACY_ENGINE
/** Creates a fake best_choice entry in each WERD_RES with the correct text.*/
void Tesseract::CorrectClassifyWords(PAGE_RES* page_res) {
PAGE_RES_IT pr_it(page_res);
@ -795,22 +804,4 @@ void Tesseract::CorrectClassifyWords(PAGE_RES* page_res) {
}
}
#ifndef DISABLED_LEGACY_ENGINE
/// Calls #LearnWord to extract features for labelled blobs within each word.
/// Features are stored in an internal buffer.
void Tesseract::ApplyBoxTraining(const STRING& fontname, PAGE_RES* page_res) {
PAGE_RES_IT pr_it(page_res);
int word_count = 0;
for (WERD_RES *word_res = pr_it.word(); word_res != nullptr;
word_res = pr_it.forward()) {
LearnWord(fontname.c_str(), word_res);
++word_count;
}
tprintf("Generated training data for %d words\n", word_count);
}
#endif // ndef DISABLED_LEGACY_ENGINE
} // namespace tesseract