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comparison mupdf-source/thirdparty/tesseract/src/ccstruct/ccstruct.cpp @ 3:2c135c81b16c

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MERGE: upstream PyMuPDF 1.26.4 with MuPDF 1.26.7
author Franz Glasner <fzglas.hg@dom66.de>
date Mon, 15 Sep 2025 11:44:09 +0200
parents b50eed0cc0ef
children
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0:6015a75abc2d 3:2c135c81b16c
1 ///////////////////////////////////////////////////////////////////////
2 // File: ccstruct.cpp
3 // Description: ccstruct class.
4 // Author: Samuel Charron
5 //
6 // (C) Copyright 2006, Google Inc.
7 // Licensed under the Apache License, Version 2.0 (the "License");
8 // you may not use this file except in compliance with the License.
9 // You may obtain a copy of the License at
10 // http://www.apache.org/licenses/LICENSE-2.0
11 // Unless required by applicable law or agreed to in writing, software
12 // distributed under the License is distributed on an "AS IS" BASIS,
13 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 // See the License for the specific language governing permissions and
15 // limitations under the License.
16 //
17 ///////////////////////////////////////////////////////////////////////
18
19 #include "ccstruct.h"
20
21 namespace tesseract {
22
23 // APPROXIMATIONS of the fractions of the character cell taken by
24 // the descenders, ascenders, and x-height.
25 const double CCStruct::kDescenderFraction = 0.25;
26 const double CCStruct::kXHeightFraction = 0.5;
27 const double CCStruct::kAscenderFraction = 0.25;
28 const double CCStruct::kXHeightCapRatio =
29 CCStruct::kXHeightFraction / (CCStruct::kXHeightFraction + CCStruct::kAscenderFraction);
30
31 } // namespace tesseract