--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mupdf-source/thirdparty/tesseract/src/textord/edgblob.h	Mon Sep 15 11:43:07 2025 +0200
@@ -0,0 +1,74 @@
+/**********************************************************************
+ * File:        edgblob.h  (Formerly edgeloop.h)
+ * Description: Functions to clean up an outline before approximation.
+ * Author:      Ray Smith
+ *
+ * (C) Copyright 1991, Hewlett-Packard Ltd.
+ ** 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 EDGBLOB_H
+#define EDGBLOB_H
+
+#include "coutln.h"   // for C_OUTLINE
+#include "ocrblock.h" // for BLOCK
+#include "points.h"   // for ICOORD
+
+#include <vector>
+
+namespace tesseract {
+
+class OL_BUCKETS {
+public:
+  OL_BUCKETS(       // constructor
+      ICOORD bleft, // corners
+      ICOORD tright);
+
+  C_OUTLINE_LIST *operator()( // array access
+      TDimension x,           // image coords
+      TDimension y);
+  // first non-empty bucket
+  C_OUTLINE_LIST *start_scan();
+  // next non-empty bucket
+  C_OUTLINE_LIST *scan_next();
+  int32_t count_children(     // recursive sum
+      C_OUTLINE *outline,     // parent outline
+      int32_t max_count);     // max output
+  int32_t outline_complexity( // new version of count_children
+      C_OUTLINE *outline,     // parent outline
+      int32_t max_count,      // max output
+      int16_t depth);         // level of recursion
+  void extract_children(      // single level get
+      C_OUTLINE *outline,     // parent outline
+      C_OUTLINE_IT *it);      // destination iterator
+
+private:
+  int16_t bxdim; // size of array
+  int16_t bydim;
+  std::vector<C_OUTLINE_LIST> buckets; // array of buckets
+  ICOORD bl;                           // corners
+  ICOORD tr;
+  decltype(buckets)::iterator it; // for extraction scan
+
+  C_OUTLINE_LIST *scan_next(decltype(buckets)::iterator it);
+};
+
+void extract_edges(Image pix,     // thresholded image
+                   BLOCK *block); // block to scan
+void outlines_to_blobs(           // find blobs
+    BLOCK *block,                 // block to scan
+    ICOORD bleft,                 // block box //outlines in block
+    ICOORD tright, C_OUTLINE_LIST *outlines);
+
+} // namespace tesseract
+
+#endif