--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mupdf-source/thirdparty/tesseract/src/api/wordstrboxrenderer.cpp	Mon Sep 15 11:43:07 2025 +0200
@@ -0,0 +1,105 @@
+/**********************************************************************
+ * File:        wordstrboxrenderer.cpp
+ * Description: Renderer for creating box file with WordStr strings.
+ *              based on the tsv renderer.
+ *
+ * (C) Copyright 2019, 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 <tesseract/baseapi.h> // for TessBaseAPI
+#include <tesseract/renderer.h>
+#include "helpers.h"        // for copy_string
+#include "tesseractclass.h" // for Tesseract
+
+namespace tesseract {
+
+/**
+ * Create a UTF8 box file with WordStr strings from the internal data
+ * structures. page_number is a 0-base page index that will appear in the box
+ * file. Returned string must be freed with the delete [] operator.
+ */
+
+char *TessBaseAPI::GetWordStrBoxText(int page_number = 0) {
+  if (tesseract_ == nullptr || (page_res_ == nullptr && Recognize(nullptr) < 0)) {
+    return nullptr;
+  }
+
+  std::string wordstr_box_str;
+  int left = 0, top = 0, right = 0, bottom = 0;
+
+  bool first_line = true;
+
+  LTRResultIterator *res_it = GetLTRIterator();
+  while (!res_it->Empty(RIL_BLOCK)) {
+    if (res_it->Empty(RIL_WORD)) {
+      res_it->Next(RIL_WORD);
+      continue;
+    }
+
+    if (res_it->IsAtBeginningOf(RIL_TEXTLINE)) {
+      if (!first_line) {
+        wordstr_box_str += "\n\t " + std::to_string(right + 1);
+        wordstr_box_str += " " + std::to_string(image_height_ - bottom);
+        wordstr_box_str += " " + std::to_string(right + 5);
+        wordstr_box_str += " " + std::to_string(image_height_ - top);
+        wordstr_box_str += " " + std::to_string(page_number); // row for tab for EOL
+        wordstr_box_str += "\n";
+      } else {
+        first_line = false;
+      }
+      // Use bounding box for whole line for WordStr
+      res_it->BoundingBox(RIL_TEXTLINE, &left, &top, &right, &bottom);
+      wordstr_box_str += "WordStr " + std::to_string(left);
+      wordstr_box_str += " " + std::to_string(image_height_ - bottom);
+      wordstr_box_str += " " + std::to_string(right);
+      wordstr_box_str += " " + std::to_string(image_height_ - top);
+      wordstr_box_str += " " + std::to_string(page_number); // word
+      wordstr_box_str += " #";
+    }
+    do {
+      wordstr_box_str += std::unique_ptr<const char[]>(res_it->GetUTF8Text(RIL_WORD)).get();
+      wordstr_box_str += " ";
+      res_it->Next(RIL_WORD);
+    } while (!res_it->Empty(RIL_BLOCK) && !res_it->IsAtBeginningOf(RIL_WORD));
+  }
+
+  if (left != 0 && top != 0 && right != 0 && bottom != 0) {
+    wordstr_box_str += "\n\t " + std::to_string(right + 1);
+    wordstr_box_str += " " + std::to_string(image_height_ - bottom);
+    wordstr_box_str += " " + std::to_string(right + 5);
+    wordstr_box_str += " " + std::to_string(image_height_ - top);
+    wordstr_box_str += " " + std::to_string(page_number); // row for tab for EOL
+    wordstr_box_str += "\n";
+  }
+  delete res_it;
+  return copy_string(wordstr_box_str);
+}
+
+/**********************************************************************
+ * WordStrBox Renderer interface implementation
+ **********************************************************************/
+TessWordStrBoxRenderer::TessWordStrBoxRenderer(const char *outputbase)
+    : TessResultRenderer(outputbase, "box") {}
+
+bool TessWordStrBoxRenderer::AddImageHandler(TessBaseAPI *api) {
+  const std::unique_ptr<const char[]> wordstrbox(api->GetWordStrBoxText(imagenum()));
+  if (wordstrbox == nullptr) {
+    return false;
+  }
+
+  AppendString(wordstrbox.get());
+
+  return true;
+}
+
+} // namespace tesseract.