tesseract-ocr-devel/html/a00941_source.html

00001 /******************************************************************************
00002  **     Filename:       mfx.h
00003  **     Purpose:        Definition of micro-feature extraction routines
00004  **     Author:         Dan Johnson
00005  **     History:        5/29/89, 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   MFX_H
00019 #define   MFX_H
00020
00021 /*----------------------------------------------------------------------------
00022           Include Files and Type Defines
00023 ----------------------------------------------------------------------------**/
00024 #include "mfdefs.h"
00025 #include "params.h"
00026 /*----------------------------------------------------------------------------
00027           Variables
00028 ----------------------------------------------------------------------------**/
00029
00030 /* old numbers corresponded to 10.0 degrees and 80.0 degrees */
00031 extern double_VAR_H(classify_min_slope, 0.414213562,
00032                     "Slope below which lines are called horizontal");
00033 extern double_VAR_H(classify_max_slope, 2.414213562,
00034                     "Slope above which lines are called vertical");
00035
00036 /*----------------------------------------------------------------------------
00037           Public Function Prototypes
00038 ----------------------------------------------------------------------------**/
00039 MICROFEATURES BlobMicroFeatures(TBLOB* Blob, const DENORM& cn_denorm);
00040
00041 #endif