Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/thirdparty/tesseract/src/wordrec/pieces.cpp @ 46:7ee69f120f19 default tip

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>>>>> tag v1.26.5+1 for changeset b74429b0f5c4
author Franz Glasner <fzglas.hg@dom66.de>
date Sat, 11 Oct 2025 17:17:30 +0200
parents b50eed0cc0ef
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /******************************************************************************
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2 *
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3 * File: pieces.cpp
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4 * Description:
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5 * Author: Mark Seaman, OCR Technology
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6 *
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7 * (c) Copyright 1987, Hewlett-Packard Company.
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8 ** Licensed under the Apache License, Version 2.0 (the "License");
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9 ** you may not use this file except in compliance with the License.
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10 ** You may obtain a copy of the License at
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11 ** http://www.apache.org/licenses/LICENSE-2.0
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12 ** Unless required by applicable law or agreed to in writing, software
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13 ** distributed under the License is distributed on an "AS IS" BASIS,
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14 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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15 ** See the License for the specific language governing permissions and
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16 ** limitations under the License.
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17 *
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18 *****************************************************************************/
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19 /*----------------------------------------------------------------------
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20 I n c l u d e s
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21 ----------------------------------------------------------------------*/
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22
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23 #include "blobs.h"
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24 #include "helpers.h"
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25 #include "matrix.h"
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26 #include "ratngs.h"
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27 #include "seam.h"
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28 #include "wordrec.h"
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30 // Include automatically generated configuration file if running autoconf.
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31 #ifdef HAVE_CONFIG_H
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32 # include "config_auto.h"
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33 #endif
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35 using tesseract::ScoredFont;
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37 /*----------------------------------------------------------------------
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38 F u n c t i o n s
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39 ----------------------------------------------------------------------*/
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41 /**********************************************************************
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42 * classify_piece
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43 *
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44 * Create a larger piece from a collection of smaller ones. Classify
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45 * it and return the results. Take the large piece apart to leave
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46 * the collection of small pieces un modified.
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47 **********************************************************************/
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48 namespace tesseract {
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49 BLOB_CHOICE_LIST *Wordrec::classify_piece(const std::vector<SEAM *> &seams, int16_t start,
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50 int16_t end, const char *description, TWERD *word,
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51 BlamerBundle *blamer_bundle) {
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52 if (end > start) {
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53 SEAM::JoinPieces(seams, word->blobs, start, end);
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54 }
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55 BLOB_CHOICE_LIST *choices =
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56 classify_blob(word->blobs[start], description, ScrollView::WHITE, blamer_bundle);
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57 // Set the matrix_cell_ entries in all the BLOB_CHOICES.
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58 BLOB_CHOICE_IT bc_it(choices);
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59 for (bc_it.mark_cycle_pt(); !bc_it.cycled_list(); bc_it.forward()) {
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60 bc_it.data()->set_matrix_cell(start, end);
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61 }
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62
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63 if (end > start) {
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64 SEAM::BreakPieces(seams, word->blobs, start, end);
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65 }
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66
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67 return (choices);
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68 }
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70 template <class BLOB_CHOICE>
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71 int SortByUnicharID(const void *void1, const void *void2) {
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72 const BLOB_CHOICE *p1 = *static_cast<const BLOB_CHOICE *const *>(void1);
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73 const BLOB_CHOICE *p2 = *static_cast<const BLOB_CHOICE *const *>(void2);
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74
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75 return p1->unichar_id() - p2->unichar_id();
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76 }
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78 template <class BLOB_CHOICE>
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79 int SortByRating(const void *void1, const void *void2) {
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80 const BLOB_CHOICE *p1 = *static_cast<const BLOB_CHOICE *const *>(void1);
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81 const BLOB_CHOICE *p2 = *static_cast<const BLOB_CHOICE *const *>(void2);
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82
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83 if (p1->rating() < p2->rating()) {
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84 return 1;
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85 }
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86 return -1;
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87 }
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88
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89 } // namespace tesseract