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Diffstat (limited to 'tesseract/src/ccmain/adaptions.cpp')
-rw-r--r-- | tesseract/src/ccmain/adaptions.cpp | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/tesseract/src/ccmain/adaptions.cpp b/tesseract/src/ccmain/adaptions.cpp new file mode 100644 index 00000000..e07bf58c --- /dev/null +++ b/tesseract/src/ccmain/adaptions.cpp @@ -0,0 +1,114 @@ +/********************************************************************** + * File: adaptions.cpp (Formerly adaptions.c) + * Description: Functions used to adapt to blobs already confidently + * identified + * Author: Chris Newton + * + * (C) Copyright 1992, Hewlett-Packard Ltd. + ** Licensed under the Apache License, Version 2.0 (the "License"); + ** you may not use this file except in compliance with the License. + ** You may obtain a copy of the License at + ** http://www.apache.org/licenses/LICENSE-2.0 + ** Unless required by applicable law or agreed to in writing, software + ** distributed under the License is distributed on an "AS IS" BASIS, + ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + ** See the License for the specific language governing permissions and + ** limitations under the License. + * + **********************************************************************/ + +#include <cctype> +#include <cstring> +#include "tessvars.h" +#include "reject.h" +#include "control.h" +#include "stopper.h" +#include "tesseractclass.h" + +// Include automatically generated configuration file if running autoconf. +#ifdef HAVE_CONFIG_H +#include "config_auto.h" +#endif + +namespace tesseract { +bool Tesseract::word_adaptable( //should we adapt? + WERD_RES* word, + uint16_t mode) { + if (tessedit_adaption_debug) { + tprintf("Running word_adaptable() for %s rating %.4f certainty %.4f\n", + word->best_choice->unichar_string().c_str(), + word->best_choice->rating(), word->best_choice->certainty()); + } + + bool status = false; + BITS16 flags(mode); + + enum MODES + { + ADAPTABLE_WERD, + ACCEPTABLE_WERD, + CHECK_DAWGS, + CHECK_SPACES, + CHECK_ONE_ELL_CONFLICT, + CHECK_AMBIG_WERD + }; + + /* + 0: NO adaption + */ + if (mode == 0) { + if (tessedit_adaption_debug) tprintf("adaption disabled\n"); + return false; + } + + if (flags[ADAPTABLE_WERD]) { + status |= word->tess_would_adapt; // result of Classify::AdaptableWord() + if (tessedit_adaption_debug && !status) { + tprintf("tess_would_adapt bit is false\n"); + } + } + + if (flags[ACCEPTABLE_WERD]) { + status |= word->tess_accepted; + if (tessedit_adaption_debug && !status) { + tprintf("tess_accepted bit is false\n"); + } + } + + if (!status) { // If not set then + return false; // ignore other checks + } + + if (flags[CHECK_DAWGS] && + (word->best_choice->permuter () != SYSTEM_DAWG_PERM) && + (word->best_choice->permuter () != FREQ_DAWG_PERM) && + (word->best_choice->permuter () != USER_DAWG_PERM) && + (word->best_choice->permuter () != NUMBER_PERM)) { + if (tessedit_adaption_debug) tprintf("word not in dawgs\n"); + return false; + } + + if (flags[CHECK_ONE_ELL_CONFLICT] && one_ell_conflict (word, false)) { + if (tessedit_adaption_debug) tprintf("word has ell conflict\n"); + return false; + } + + if (flags[CHECK_SPACES] && + (strchr(word->best_choice->unichar_string().c_str(), ' ') != nullptr)) { + if (tessedit_adaption_debug) tprintf("word contains spaces\n"); + return false; + } + + if (flags[CHECK_AMBIG_WERD] && + word->best_choice->dangerous_ambig_found()) { + if (tessedit_adaption_debug) tprintf("word is ambiguous\n"); + return false; + } + + if (tessedit_adaption_debug) { + tprintf("returning status %d\n", status); + } + return status; +} + +} // namespace tesseract |