Tesseract 3.02

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fxdefs.cpp
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1 /******************************************************************************
2 ** Filename: fxdefs.c
3 ** Purpose: Utility functions to be used by feature extractors.
4 ** Author: Dan Johnson
5 ** History: Sun Jan 21 15:29:02 1990, 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 #include "fxdefs.h"
19 #include "featdefs.h"
20 #include "mf.h"
21 #include "outfeat.h"
22 #include "picofeat.h"
23 #include "normfeat.h"
24
25 /*-----------------------------------------------------------------------------
26 Global Data Definitions and Declarations
27 -----------------------------------------------------------------------------*/
28 // Definitions of extractors separated from feature definitions.
29 const FEATURE_EXT_STRUCT MicroFeatureExt = { ExtractMicros };
30 const FEATURE_EXT_STRUCT CharNormExt = { ExtractCharNormFeatures };
31 const FEATURE_EXT_STRUCT IntFeatExt = { ExtractIntCNFeatures };
32 const FEATURE_EXT_STRUCT GeoFeatExt = { ExtractIntGeoFeatures };
33
34 // MUST be kept in-sync with DescDefs in featdefs.cpp.
35 const FEATURE_EXT_STRUCT* ExtractorDefs[NUM_FEATURE_TYPES] = {
36 &MicroFeatureExt,
37 &CharNormExt,
38 &IntFeatExt,
39 &GeoFeatExt
40 };
41
42 void SetupExtractors(FEATURE_DEFS_STRUCT *FeatureDefs) {
43 for (int i = 0; i < NUM_FEATURE_TYPES; ++i)
44 FeatureDefs->FeatureExtractors[i] = ExtractorDefs[i];
45 }