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127 lines
3.9 KiB
C
127 lines
3.9 KiB
C
/******************************************************************************
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** Filename: adaptive.h
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** Purpose: Interface to adaptive matcher.
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** Author: Dan Johnson
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**
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** (c) Copyright Hewlett-Packard Company, 1988.
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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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#ifndef ADAPTIVE_H
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#define ADAPTIVE_H
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/*----------------------------------------------------------------------------
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Include Files and Type Defines
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----------------------------------------------------------------------------*/
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#include <cstdio>
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#include "intproto.h"
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#include "oldlist.h"
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typedef struct {
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uint16_t ProtoId;
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PROTO_STRUCT Proto;
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}
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TEMP_PROTO_STRUCT;
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using TEMP_PROTO = TEMP_PROTO_STRUCT*;
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typedef struct {
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uint8_t NumTimesSeen;
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uint8_t ProtoVectorSize;
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PROTO_ID MaxProtoId;
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BIT_VECTOR Protos;
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int FontinfoId; // font information inferred from pre-trained templates
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} TEMP_CONFIG_STRUCT;
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using TEMP_CONFIG = TEMP_CONFIG_STRUCT*;
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typedef struct {
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UNICHAR_ID* Ambigs;
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int FontinfoId; // font information inferred from pre-trained templates
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} PERM_CONFIG_STRUCT;
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using PERM_CONFIG = PERM_CONFIG_STRUCT*;
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typedef union {
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TEMP_CONFIG Temp;
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PERM_CONFIG Perm;
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} ADAPTED_CONFIG;
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typedef struct {
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uint8_t NumPermConfigs;
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uint8_t MaxNumTimesSeen; // maximum number of times any TEMP_CONFIG was seen
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// (cut at matcher_min_examples_for_prototyping)
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BIT_VECTOR PermProtos;
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BIT_VECTOR PermConfigs;
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LIST TempProtos;
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ADAPTED_CONFIG Config[MAX_NUM_CONFIGS];
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} ADAPT_CLASS_STRUCT;
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using ADAPT_CLASS = ADAPT_CLASS_STRUCT*;
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typedef struct {
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INT_TEMPLATES Templates;
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int NumNonEmptyClasses;
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uint8_t NumPermClasses;
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ADAPT_CLASS Class[MAX_NUM_CLASSES];
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} ADAPT_TEMPLATES_STRUCT;
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using ADAPT_TEMPLATES = ADAPT_TEMPLATES_STRUCT*;
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/*----------------------------------------------------------------------------
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Public Function Prototypes
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----------------------------------------------------------------------------*/
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#define NumNonEmptyClassesIn(Template) ((Template)->NumNonEmptyClasses)
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#define IsEmptyAdaptedClass(Class) \
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((Class)->NumPermConfigs == 0 && (Class)->TempProtos == NIL_LIST)
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#define ConfigIsPermanent(Class, ConfigId) \
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(test_bit((Class)->PermConfigs, ConfigId))
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#define MakeConfigPermanent(Class, ConfigId) \
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(SET_BIT((Class)->PermConfigs, ConfigId))
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#define MakeProtoPermanent(Class, ProtoId) \
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(SET_BIT((Class)->PermProtos, ProtoId))
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#define TempConfigFor(Class, ConfigId) ((Class)->Config[ConfigId].Temp)
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#define PermConfigFor(Class, ConfigId) ((Class)->Config[ConfigId].Perm)
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#define IncreaseConfidence(TempConfig) ((TempConfig)->NumTimesSeen++)
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void AddAdaptedClass(ADAPT_TEMPLATES Templates, ADAPT_CLASS Class,
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CLASS_ID ClassId);
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void FreeTempProto(void* arg);
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void FreeTempConfig(TEMP_CONFIG Config);
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ADAPT_CLASS NewAdaptedClass();
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void free_adapted_class(ADAPT_CLASS adapt_class);
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void free_adapted_templates(ADAPT_TEMPLATES templates);
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TEMP_CONFIG NewTempConfig(int MaxProtoId, int FontinfoId);
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TEMP_PROTO NewTempProto();
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ADAPT_CLASS ReadAdaptedClass(tesseract::TFile* File);
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PERM_CONFIG ReadPermConfig(tesseract::TFile* File);
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TEMP_CONFIG ReadTempConfig(tesseract::TFile* File);
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void WriteAdaptedClass(FILE* File, ADAPT_CLASS Class, int NumConfigs);
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void WritePermConfig(FILE* File, PERM_CONFIG Config);
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void WriteTempConfig(FILE* File, TEMP_CONFIG Config);
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#endif
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