mirror of
https://github.com/tesseract-ocr/tesseract.git
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127 lines
3.8 KiB
C++
127 lines
3.8 KiB
C++
/**********************************************************************
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* File: adaptions.cpp (Formerly adaptions.c)
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* Description: Functions used to adapt to blobs already confidently
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* identified
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* Author: Chris Newton
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* Created: Thu Oct 7 10:17:28 BST 1993
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*
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* (C) Copyright 1992, Hewlett-Packard Ltd.
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** Licensed under the Apache License, Version 2.0 (the "License");
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** you may not use this file except in compliance with the License.
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** You may obtain a copy of the License at
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** http://www.apache.org/licenses/LICENSE-2.0
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** Unless required by applicable law or agreed to in writing, software
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** distributed under the License is distributed on an "AS IS" BASIS,
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** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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** See the License for the specific language governing permissions and
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** limitations under the License.
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*
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**********************************************************************/
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#ifdef _MSC_VER
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#pragma warning(disable:4244) // Conversion warnings
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#pragma warning(disable:4305) // int/float warnings
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#endif
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#ifdef __UNIX__
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#include <assert.h>
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#endif
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#include <ctype.h>
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#include <string.h>
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#include "tessbox.h"
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#include "tessvars.h"
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#include "memry.h"
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#include "reject.h"
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#include "control.h"
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#include "stopper.h"
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#include "tesseractclass.h"
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// Include automatically generated configuration file if running autoconf.
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#ifdef HAVE_CONFIG_H
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#include "config_auto.h"
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#endif
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namespace tesseract {
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BOOL8 Tesseract::word_adaptable( //should we adapt?
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WERD_RES *word,
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uint16_t mode) {
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if (tessedit_adaption_debug) {
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tprintf("Running word_adaptable() for %s rating %.4f certainty %.4f\n",
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word->best_choice == nullptr ? "" :
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word->best_choice->unichar_string().string(),
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word->best_choice->rating(), word->best_choice->certainty());
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}
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BOOL8 status = FALSE;
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BITS16 flags(mode);
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enum MODES
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{
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ADAPTABLE_WERD,
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ACCEPTABLE_WERD,
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CHECK_DAWGS,
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CHECK_SPACES,
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CHECK_ONE_ELL_CONFLICT,
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CHECK_AMBIG_WERD
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};
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/*
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0: NO adaption
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*/
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if (mode == 0) {
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if (tessedit_adaption_debug) tprintf("adaption disabled\n");
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return FALSE;
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}
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if (flags.bit (ADAPTABLE_WERD)) {
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status |= word->tess_would_adapt; // result of Classify::AdaptableWord()
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if (tessedit_adaption_debug && !status) {
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tprintf("tess_would_adapt bit is false\n");
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}
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}
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if (flags.bit (ACCEPTABLE_WERD)) {
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status |= word->tess_accepted;
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if (tessedit_adaption_debug && !status) {
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tprintf("tess_accepted bit is false\n");
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}
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}
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if (!status) { // If not set then
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return FALSE; // ignore other checks
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}
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if (flags.bit (CHECK_DAWGS) &&
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(word->best_choice->permuter () != SYSTEM_DAWG_PERM) &&
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(word->best_choice->permuter () != FREQ_DAWG_PERM) &&
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(word->best_choice->permuter () != USER_DAWG_PERM) &&
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(word->best_choice->permuter () != NUMBER_PERM)) {
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if (tessedit_adaption_debug) tprintf("word not in dawgs\n");
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return FALSE;
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}
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if (flags.bit (CHECK_ONE_ELL_CONFLICT) && one_ell_conflict (word, FALSE)) {
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if (tessedit_adaption_debug) tprintf("word has ell conflict\n");
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return FALSE;
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}
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if (flags.bit (CHECK_SPACES) &&
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(strchr(word->best_choice->unichar_string().string(), ' ') != nullptr)) {
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if (tessedit_adaption_debug) tprintf("word contains spaces\n");
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return FALSE;
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}
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if (flags.bit (CHECK_AMBIG_WERD) &&
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word->best_choice->dangerous_ambig_found()) {
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if (tessedit_adaption_debug) tprintf("word is ambiguous\n");
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return FALSE;
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}
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if (tessedit_adaption_debug) {
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tprintf("returning status %d\n", status);
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}
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return status;
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}
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} // namespace tesseract
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