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https://github.com/tesseract-ocr/tesseract.git
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1a487252f4
git-svn-id: https://tesseract-ocr.googlecode.com/svn/trunk@1013 d0cd1f9f-072b-0410-8dd7-cf729c803f20
180 lines
4.8 KiB
C
180 lines
4.8 KiB
C
/* -*-C-*-
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********************************************************************************
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*
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* File: protos.h (Formerly protos.h)
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* Description:
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* Author: Mark Seaman, SW Productivity
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* Created: Fri Oct 16 14:37:00 1987
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* Modified: Fri Jul 12 10:06:55 1991 (Dan Johnson) danj@hpgrlj
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* Language: C
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* Package: N/A
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* Status: Reusable Software Component
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*
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* (c) Copyright 1987, Hewlett-Packard Company.
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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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#ifndef PROTOS_H
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#define PROTOS_H
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/*----------------------------------------------------------------------
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I n c l u d e s
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----------------------------------------------------------------------*/
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#include "bitvec.h"
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#include "cutil.h"
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#include "unichar.h"
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#include "unicity_table.h"
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#include "params.h"
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/*----------------------------------------------------------------------
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T y p e s
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----------------------------------------------------------------------*/
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typedef BIT_VECTOR *CONFIGS;
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typedef struct
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{
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FLOAT32 A;
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FLOAT32 B;
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FLOAT32 C;
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FLOAT32 X;
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FLOAT32 Y;
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FLOAT32 Angle;
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FLOAT32 Length;
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} PROTO_STRUCT;
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typedef PROTO_STRUCT *PROTO;
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struct CLASS_STRUCT {
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CLASS_STRUCT()
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: NumProtos(0), MaxNumProtos(0), Prototypes(NULL),
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NumConfigs(0), MaxNumConfigs(0), Configurations(NULL) {
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}
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inT16 NumProtos;
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inT16 MaxNumProtos;
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PROTO Prototypes;
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inT16 NumConfigs;
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inT16 MaxNumConfigs;
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CONFIGS Configurations;
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UnicityTableEqEq<int> font_set;
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};
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typedef CLASS_STRUCT *CLASS_TYPE;
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typedef CLASS_STRUCT *CLASSES;
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/*----------------------------------------------------------------------
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C o n s t a n t s
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----------------------------------------------------------------------*/
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#define NUMBER_OF_CLASSES MAX_NUM_CLASSES
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#define Y_OFFSET -40.0
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#define FEATURE_SCALE 100.0
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/*----------------------------------------------------------------------
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V a r i a b l e s
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----------------------------------------------------------------------*/
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extern CLASS_STRUCT TrainingData[];
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extern STRING_VAR_H(classify_training_file, "MicroFeatures", "Training file");
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/*----------------------------------------------------------------------
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M a c r o s
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----------------------------------------------------------------------*/
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/**
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* AddProtoToConfig
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*
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* Set a single proto bit in the specified configuration.
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*/
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#define AddProtoToConfig(Pid,Config) \
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(SET_BIT (Config, Pid))
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/**
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* RemoveProtoFromConfig
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*
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* Clear a single proto bit in the specified configuration.
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*/
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#define RemoveProtoFromConfig(Pid,Config) \
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(reset_bit (Config, Pid))
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/**
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* ClassOfChar
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*
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* Return the class of a particular ASCII character value.
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*/
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#define ClassOfChar(Char) \
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((TrainingData [Char].NumProtos) ? \
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(& TrainingData [Char]) : \
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NO_CLASS)
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/**
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* ProtoIn
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*
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* Choose the selected prototype in this class record. Return the
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* pointer to it (type PROTO).
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*/
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#define ProtoIn(Class,Pid) \
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(& (Class)->Prototypes [Pid])
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/**
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* PrintProto
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*
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* Print out the contents of a prototype. The 'Proto' argument is of
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* type 'PROTO'.
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*/
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#define PrintProto(Proto) \
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(tprintf("X=%4.2f, Y=%4.2f, Length=%4.2f, Angle=%4.2f", \
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Proto->X, \
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Proto->Y, \
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Proto->Length, \
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Proto->Angle)) \
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/**
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* PrintProtoLine
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*
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* Print out the contents of a prototype. The 'Proto' argument is of
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* type 'PROTO'.
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*/
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#define PrintProtoLine(Proto) \
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(cprintf ("A=%4.2f, B=%4.2f, C=%4.2f", \
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Proto->A, \
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Proto->B, \
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Proto->C)) \
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/*----------------------------------------------------------------------
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F u n c t i o n s
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----------------------------------------------------------------------*/
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int AddConfigToClass(CLASS_TYPE Class);
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int AddProtoToClass(CLASS_TYPE Class);
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FLOAT32 ClassConfigLength(CLASS_TYPE Class, BIT_VECTOR Config);
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FLOAT32 ClassProtoLength(CLASS_TYPE Class);
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void CopyProto(PROTO Src, PROTO Dest);
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void FillABC(PROTO Proto);
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void FreeClass(CLASS_TYPE Class);
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void FreeClassFields(CLASS_TYPE Class);
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void InitPrototypes();
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CLASS_TYPE NewClass(int NumProtos, int NumConfigs);
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void PrintProtos(CLASS_TYPE Class);
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#endif
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