1 /****************************************************************************** 2 ** Filename: normfeat.h 3 ** Purpose: Definition of character normalization features. 4 ** Author: Dan Johnson 5 ** History: 12/14/90, DSJ, Created. 6 ** 7 ** (c) Copyright Hewlett-Packard Company, 1988. 8 ** Licensed under the Apache License, Version 2.0 (the "License"); 9 ** you may not use this file except in compliance with the License. 10 ** You may obtain a copy of the License at 11 ** http://www.apache.org/licenses/LICENSE-2.0 12 ** Unless required by applicable law or agreed to in writing, software 13 ** distributed under the License is distributed on an "AS IS" BASIS, 14 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15 ** See the License for the specific language governing permissions and 16 ** limitations under the License. 17 ******************************************************************************/ 18 #ifndef NORMFEAT_H 19 #define NORMFEAT_H 20 21 /**---------------------------------------------------------------------------- 22 Include Files and Type Defines 23 ----------------------------------------------------------------------------**/ 24 #include "ocrfeatures.h" 25 #include "tessclas.h" 26 #include "fxdefs.h" 27 28 #define LENGTH_COMPRESSION (10.0) 29 30 typedef enum 31 { CharNormY, CharNormLength, CharNormRx, CharNormRy } 32 NORM_PARAM_NAME; 33 34 /**---------------------------------------------------------------------------- 35 Public Function Prototypes 36 ----------------------------------------------------------------------------**/ 37 FLOAT32 ActualOutlineLength(FEATURE Feature); 38 39 FEATURE_SET ExtractCharNormFeatures(TBLOB *Blob, LINE_STATS *LineStats); 40 41 /* 42 #if defined(__STDC__) || defined(__cplusplus) 43 # define _ARGS(s) s 44 #else 45 # define _ARGS(s) () 46 #endif*/ 47 48 /* normfeat.c 49 FLOAT32 ActualOutlineLength 50 _ARGS((FEATURE Feature)); 51 52 FEATURE_SET ExtractCharNormFeatures 53 _ARGS((BLOB *Blob, 54 LINE_STATS *LineStats)); 55 56 #undef _ARGS 57 */ 58 59 /**---------------------------------------------------------------------------- 60 Global Data Definitions and Declarations 61 ----------------------------------------------------------------------------**/ 62 extern FEATURE_DESC_STRUCT CharNormDesc; 63 #endif 64