ccstruct.cpp

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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