annotate mupdf-source/thirdparty/tesseract/src/ccstruct/ccstruct.h @ 21:2f43e400f144

Provide an "all" target to build both the sdist and the wheel
author Franz Glasner <fzglas.hg@dom66.de>
date Fri, 19 Sep 2025 10:28:53 +0200
parents b50eed0cc0ef
children
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1 ///////////////////////////////////////////////////////////////////////
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2 // File: ccstruct.h
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3 // Description: ccstruct class.
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4 // Author: Samuel Charron
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5 //
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6 // (C) Copyright 2006, Google Inc.
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7 // Licensed under the Apache License, Version 2.0 (the "License");
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8 // you may not use this file except in compliance with the License.
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9 // You may obtain a copy of the License at
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10 // http://www.apache.org/licenses/LICENSE-2.0
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11 // Unless required by applicable law or agreed to in writing, software
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12 // distributed under the License is distributed on an "AS IS" BASIS,
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13 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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14 // See the License for the specific language governing permissions and
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15 // limitations under the License.
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16 //
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17 ///////////////////////////////////////////////////////////////////////
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19 #ifndef TESSERACT_CCSTRUCT_CCSTRUCT_H_
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20 #define TESSERACT_CCSTRUCT_CCSTRUCT_H_
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22 #include "ccutil.h" // for CCUtil
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24 namespace tesseract {
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26 class CCStruct : public CCUtil {
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27 public:
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28 // Globally accessible constants.
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29 // APPROXIMATIONS of the fractions of the character cell taken by
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30 // the descenders, ascenders, and x-height.
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31 static const double kDescenderFraction; // = 0.25;
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32 static const double kXHeightFraction; // = 0.5;
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33 static const double kAscenderFraction; // = 0.25;
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34 // Derived value giving the x-height as a fraction of cap-height.
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35 static const double kXHeightCapRatio; // = XHeight/(XHeight + Ascender).
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36 };
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38 } // namespace tesseract
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40 #endif // TESSERACT_CCSTRUCT_CCSTRUCT_H_