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https://github.com/tesseract-ocr/tesseract.git
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64 lines
2.3 KiB
C
64 lines
2.3 KiB
C
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/******************************************************************************
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** Filename: intfx.h
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** Purpose: Interface to high level integer feature extractor.
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** Author: Robert Moss
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** History: Tue May 21 15:51:57 MDT 1991, RWM, Created.
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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 INTFX_H
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#define INTFX_H
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/**----------------------------------------------------------------------------
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Include Files and Type Defines
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----------------------------------------------------------------------------**/
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#include "tessclas.h"
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#include "hideedge.h"
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#include "intproto.h"
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#include <math.h>
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typedef struct
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{
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INT32 Length; /* total length of all outlines */
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INT16 Xmean, Ymean; /* center of mass of all outlines */
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INT16 Rx, Ry; /* radius of gyration */
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INT16 NumBL, NumCN; /* number of features extracted */
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}
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INT_FX_RESULT_STRUCT, *INT_FX_RESULT;
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/**----------------------------------------------------------------------------
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Public Function Prototypes
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----------------------------------------------------------------------------**/
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void InitIntegerFX();
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int ExtractIntFeat(TBLOB *Blob,
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INT_FEATURE_ARRAY BLFeat,
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INT_FEATURE_ARRAY CNFeat,
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INT_FX_RESULT Results);
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UINT8 TableLookup(INT32 Y, INT32 X);
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int SaveFeature(INT_FEATURE_ARRAY FeatureArray,
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UINT16 FeatureNum,
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INT16 X,
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INT16 Y,
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UINT8 Theta);
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UINT16 MySqrt(INT32 X, INT32 Y);
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UINT8 MySqrt2(UINT16 N, UINT32 I, UINT8 *Exp);
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void ClipRadius(UINT8 *RxInv, UINT8 *RxExp, UINT8 *RyInv, UINT8 *RyExp);
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#endif
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