00001 /****************************************************************************** 00002 ** Filename: normfeat.h 00003 ** Purpose: Definition of character normalization features. 00004 ** Author: Dan Johnson 00005 ** History: 12/14/90, DSJ, Created. 00006 ** 00007 ** (c) Copyright Hewlett-Packard Company, 1988. 00008 ** Licensed under the Apache License, Version 2.0 (the "License"); 00009 ** you may not use this file except in compliance with the License. 00010 ** You may obtain a copy of the License at 00011 ** http://www.apache.org/licenses/LICENSE-2.0 00012 ** Unless required by applicable law or agreed to in writing, software 00013 ** distributed under the License is distributed on an "AS IS" BASIS, 00014 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00015 ** See the License for the specific language governing permissions and 00016 ** limitations under the License. 00017 ******************************************************************************/ 00018 #ifndef NORMFEAT_H 00019 #define NORMFEAT_H 00020 00024 #include "ocrfeatures.h" 00025 #include "tessclas.h" 00026 #include "fxdefs.h" 00027 00028 #define LENGTH_COMPRESSION (10.0) 00029 00030 typedef enum 00031 { CharNormY, CharNormLength, CharNormRx, CharNormRy } 00032 NORM_PARAM_NAME; 00033 00037 FLOAT32 ActualOutlineLength(FEATURE Feature); 00038 00039 FEATURE_SET ExtractCharNormFeatures(TBLOB *Blob, LINE_STATS *LineStats); 00040 00041 /* 00042 #if defined(__STDC__) || defined(__cplusplus) 00043 # define _ARGS(s) s 00044 #else 00045 # define _ARGS(s) () 00046 #endif*/ 00047 00048 /* normfeat.c 00049 FLOAT32 ActualOutlineLength 00050 _ARGS((FEATURE Feature)); 00051 00052 FEATURE_SET ExtractCharNormFeatures 00053 _ARGS((BLOB *Blob, 00054 LINE_STATS *LineStats)); 00055 00056 #undef _ARGS 00057 */ 00058 00062 extern FEATURE_DESC_STRUCT CharNormDesc; 00063 #endif