/////////////////////////////////////////////////////////////////////// // File: ccstruct.h // 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. // /////////////////////////////////////////////////////////////////////// #ifndef TESSERACT_CCSTRUCT_CCSTRUCT_H__ #define TESSERACT_CCSTRUCT_CCSTRUCT_H__ #include "cutil.h" namespace tesseract { class CCStruct : public CUtil { public: CCStruct(); ~CCStruct(); // Globally accessible constants. // APPROXIMATIONS of the fractions of the character cell taken by // the descenders, ascenders, and x-height. static const double kDescenderFraction; // = 0.25; static const double kXHeightFraction; // = 0.5; static const double kAscenderFraction; // = 0.25; // Derived value giving the x-height as a fraction of cap-height. static const double kXHeightCapRatio; // = XHeight/(XHeight + Ascender). }; class Tesseract; } // namespace tesseract #endif // TESSERACT_CCSTRUCT_CCSTRUCT_H__