annotate mupdf-source/thirdparty/tesseract/src/classify/protos.h @ 21:2f43e400f144

Provide an "all" target to build both the sdist and the wheel
author Franz Glasner <fzglas.hg@dom66.de>
date Fri, 19 Sep 2025 10:28:53 +0200
parents b50eed0cc0ef
children
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1 /******************************************************************************
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2 *
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3 * File: protos.h
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4 * Author: Mark Seaman, SW Productivity
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5 *
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6 * (c) Copyright 1987, Hewlett-Packard Company.
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7 ** Licensed under the Apache License, Version 2.0 (the "License");
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8 ** you may not use this file except in compliance with the License.
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9 ** You may obtain a copy of the License at
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10 ** http://www.apache.org/licenses/LICENSE-2.0
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11 ** Unless required by applicable law or agreed to in writing, software
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12 ** distributed under the License is distributed on an "AS IS" BASIS,
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13 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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14 ** See the License for the specific language governing permissions and
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15 ** limitations under the License.
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16 *
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17 *****************************************************************************/
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19 #ifndef PROTOS_H
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20 #define PROTOS_H
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22 #include "bitvec.h"
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23 #include "params.h"
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24 #include "unicity_table.h"
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26 #include <tesseract/unichar.h>
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28 namespace tesseract {
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30 struct PROTO_STRUCT {
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31 float A;
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32 float B;
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33 float C;
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34 float X;
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35 float Y;
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36 float Angle;
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37 float Length;
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38 };
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40 struct CLASS_STRUCT {
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41 int16_t NumProtos = 0;
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42 int16_t MaxNumProtos = 0;
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43 int16_t NumConfigs = 0;
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44 int16_t MaxNumConfigs = 0;
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45 std::vector<PROTO_STRUCT> Prototypes;
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46 std::vector<BIT_VECTOR> Configurations;
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47 UnicityTable<int> font_set;
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48 };
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49 using CLASS_TYPE = CLASS_STRUCT *;
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50 using CLASSES = CLASS_STRUCT *;
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52 /*----------------------------------------------------------------------
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53 M a c r o s
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54 ----------------------------------------------------------------------*/
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55 /**
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56 * AddProtoToConfig
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57 *
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58 * Set a single proto bit in the specified configuration.
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59 */
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61 #define AddProtoToConfig(Pid, Config) (SET_BIT(Config, Pid))
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62
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63 /**
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64 * ProtoIn
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65 *
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66 * Choose the selected prototype in this class record. Return the
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67 * pointer to it (PROTO_STRUCT *).
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68 */
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70 #define ProtoIn(Class, Pid) (&(Class)->Prototypes[Pid])
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72 /*----------------------------------------------------------------------
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73 F u n c t i o n s
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74 ----------------------------------------------------------------------*/
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75 TESS_API
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76 int AddConfigToClass(CLASS_TYPE Class);
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78 TESS_API
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79 int AddProtoToClass(CLASS_TYPE Class);
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81 TESS_API
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82 void FillABC(PROTO_STRUCT *Proto);
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84 TESS_API
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85 void FreeClass(CLASS_TYPE Class);
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87 TESS_API
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88 void FreeClassFields(CLASS_TYPE Class);
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90 void InitPrototypes();
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92 TESS_API
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93 CLASS_TYPE NewClass(int NumProtos, int NumConfigs);
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95 } // namespace tesseract
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96
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97 #endif