| /****************************************************************************** |
| ** Filename: intfx.h |
| ** Purpose: Interface to high level integer feature extractor. |
| ** Author: Robert Moss |
| ** History: Tue May 21 15:51:57 MDT 1991, RWM, Created. |
| ** |
| ** (c) Copyright Hewlett-Packard Company, 1988. |
| ** Licensed under the Apache License, Version 2.0 (the "License"); |
| ** you may not use this file except in compliance with the License. |
| ** You may obtain a copy of the License at |
| ** http://www.apache.org/licenses/LICENSE-2.0 |
| ** Unless required by applicable law or agreed to in writing, software |
| ** distributed under the License is distributed on an "AS IS" BASIS, |
| ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| ** See the License for the specific language governing permissions and |
| ** limitations under the License. |
| ******************************************************************************/ |
| #ifndef INTFX_H |
| #define INTFX_H |
| |
| /**---------------------------------------------------------------------------- |
| Include Files and Type Defines |
| ----------------------------------------------------------------------------**/ |
| #include "tessclas.h" |
| #include "hideedge.h" |
| #include "intproto.h" |
| #include <math.h> |
| |
| typedef struct |
| { |
| inT32 Length; /* total length of all outlines */ |
| inT16 Xmean, Ymean; /* center of mass of all outlines */ |
| inT16 Rx, Ry; /* radius of gyration */ |
| inT16 NumBL, NumCN; /* number of features extracted */ |
| } |
| |
| |
| INT_FX_RESULT_STRUCT, *INT_FX_RESULT; |
| |
| /**---------------------------------------------------------------------------- |
| Public Function Prototypes |
| ----------------------------------------------------------------------------**/ |
| void InitIntegerFX(); |
| |
| int ExtractIntFeat(TBLOB *Blob, |
| INT_FEATURE_ARRAY BLFeat, |
| INT_FEATURE_ARRAY CNFeat, |
| INT_FX_RESULT Results); |
| |
| uinT8 TableLookup(inT32 Y, inT32 X); |
| |
| int SaveFeature(INT_FEATURE_ARRAY FeatureArray, |
| uinT16 FeatureNum, |
| inT16 X, |
| inT16 Y, |
| uinT8 Theta); |
| |
| uinT16 MySqrt(inT32 X, inT32 Y); |
| |
| uinT8 MySqrt2(uinT16 N, uinT32 I, uinT8 *Exp); |
| |
| void ClipRadius(uinT8 *RxInv, uinT8 *RxExp, uinT8 *RyInv, uinT8 *RyExp); |
| #endif |