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comparison mupdf-source/thirdparty/tesseract/src/classify/normfeat.h @ 2:b50eed0cc0ef upstream

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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4. The directory name has changed: no version number in the expanded directory now.
author Franz Glasner <fzglas.hg@dom66.de>
date Mon, 15 Sep 2025 11:43:07 +0200
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1:1d09e1dec1d9 2:b50eed0cc0ef
1 /******************************************************************************
2 ** Filename: normfeat.h
3 ** Purpose: Definition of character normalization features.
4 ** Author: Dan Johnson
5 ** History: 12/14/90, 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 NORMFEAT_H
20 #define NORMFEAT_H
21
22 #include "ocrfeatures.h"
23
24 namespace tesseract {
25
26 #define LENGTH_COMPRESSION (10.0)
27
28 struct INT_FX_RESULT_STRUCT;
29
30 typedef enum { CharNormY, CharNormLength, CharNormRx, CharNormRy } NORM_PARAM_NAME;
31
32 float ActualOutlineLength(FEATURE Feature);
33
34 FEATURE_SET ExtractCharNormFeatures(const INT_FX_RESULT_STRUCT &fx_info);
35
36 } // namespace tesseract
37
38 #endif