--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mupdf-source/thirdparty/tesseract/src/ccstruct/ccstruct.h	Mon Sep 15 11:43:07 2025 +0200
@@ -0,0 +1,40 @@
+///////////////////////////////////////////////////////////////////////
+// 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 "ccutil.h" // for CCUtil
+
+namespace tesseract {
+
+class CCStruct : public CCUtil {
+public:
+  // 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).
+};
+
+} // namespace tesseract
+
+#endif // TESSERACT_CCSTRUCT_CCSTRUCT_H_