tesseract  v4.0.0-17-g361f3264
Open Source OCR Engine
picofeat.h
1 /******************************************************************************
2  ** Filename: picofeat.h
3  ** Purpose: Definition of pico features.
4  ** Author: Dan Johnson
5  ** History: 9/4/90, 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 
19 #ifndef PICOFEAT_H
20 #define PICOFEAT_H
21 
25 #include "ocrfeatures.h"
26 #include "params.h"
27 
28 // Enum for the order/type of params in IntFeatDesc.
29 enum IntParams {
30  IntX, // x-position (0-255).
31  IntY, // y-position (0-255).
32  IntDir // Direction (0-255, circular).
33 };
34 
35 // Enum for the order/type of params in GeoFeatDesc.
36 enum GeoParams {
37  GeoBottom, // Bounding box bottom in baseline space (0-255).
38  GeoTop, // Bounding box top in baseline space (0-255).
39  GeoWidth, // Bounding box width in baseline space (0-255).
40 
41  GeoCount // Number of geo features.
42 };
43 
44 typedef enum { PicoFeatY, PicoFeatDir, PicoFeatX } PICO_FEAT_PARAM_NAME;
45 
46 #define MAX_PICO_FEATURES (1000)
47 
48 /*---------------------------------------------------------------------------
49  Variables
50 ----------------------------------------------------------------------------*/
51 
52 extern double_VAR_H(classify_pico_feature_length, 0.05, "Pico Feature Length");
53 
57 #define GetPicoFeatureLength() (PicoFeatureLength)
58 
62 extern TESS_API float PicoFeatureLength;
63 
64 #endif