view mupdf-source/thirdparty/tesseract/src/ccstruct/ccstruct.cpp @ 46:7ee69f120f19 default tip

>>>>> tag v1.26.5+1 for changeset b74429b0f5c4
author Franz Glasner <fzglas.hg@dom66.de>
date Sat, 11 Oct 2025 17:17:30 +0200
parents b50eed0cc0ef
children
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///////////////////////////////////////////////////////////////////////
// File:        ccstruct.cpp
// Description: ccstruct class.
// Author:      Samuel Charron
//
// (C) Copyright 2006, Google Inc.
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
///////////////////////////////////////////////////////////////////////

#include "ccstruct.h"

namespace tesseract {

// APPROXIMATIONS of the fractions of the character cell taken by
// the descenders, ascenders, and x-height.
const double CCStruct::kDescenderFraction = 0.25;
const double CCStruct::kXHeightFraction = 0.5;
const double CCStruct::kAscenderFraction = 0.25;
const double CCStruct::kXHeightCapRatio =
    CCStruct::kXHeightFraction / (CCStruct::kXHeightFraction + CCStruct::kAscenderFraction);

} // namespace tesseract