--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mupdf-source/thirdparty/tesseract/src/wordrec/wordclass.cpp	Mon Sep 15 11:43:07 2025 +0200
@@ -0,0 +1,79 @@
+/******************************************************************************
+ *
+ * File:         wordclass.cpp  (Formerly wordclass.c)
+ * Description:  Word classifier
+ * Author:       Mark Seaman, OCR Technology
+ *
+ * (c) Copyright 1990, Hewlett-Packard Company.
+ ** 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.
+ *
+ *****************************************************************************/
+/*----------------------------------------------------------------------
+          I N C L U D E S
+----------------------------------------------------------------------*/
+
+#include "blamer.h"  // for blamer_bundle
+#include "params.h"  // for BoolParam
+#include "render.h"  // for display_blob, blob_window, wordrec_blob_pause
+#include "wordrec.h" // for Wordrec
+
+struct TBLOB;
+
+// Include automatically generated configuration file if running autoconf.
+#ifdef HAVE_CONFIG_H
+#  include "config_auto.h"
+#endif
+
+/*----------------------------------------------------------------------
+          F u n c t i o n s
+----------------------------------------------------------------------*/
+namespace tesseract {
+/**
+ * @name classify_blob
+ *
+ * Classify the this blob if it is not already recorded in the match
+ * table. Attempt to recognize this blob as a character. The recognition
+ * rating for this blob will be stored as a part of the blob. This value
+ * will also be returned to the caller.
+ * @param blob Current blob
+ * @param string The string to display in ScrollView
+ * @param color The colour to use when displayed with ScrollView
+ */
+BLOB_CHOICE_LIST *Wordrec::classify_blob(TBLOB *blob, const char *string, ScrollView::Color color,
+                                         BlamerBundle *blamer_bundle) {
+#ifndef GRAPHICS_DISABLED
+  if (wordrec_display_all_blobs) {
+    display_blob(blob, color);
+  }
+#endif
+  // TODO(rays) collapse with call_matcher and move all to wordrec.cpp.
+  BLOB_CHOICE_LIST *choices = call_matcher(blob);
+  // If a blob with the same bounding box as one of the truth character
+  // bounding boxes is not classified as the corresponding truth character
+  // blame character classifier for incorrect answer.
+  if (blamer_bundle != nullptr) {
+    blamer_bundle->BlameClassifier(getDict().getUnicharset(), blob->bounding_box(), *choices,
+                                   wordrec_debug_blamer);
+  }
+#ifndef GRAPHICS_DISABLED
+  if (classify_debug_level && string) {
+    print_ratings_list(string, choices, getDict().getUnicharset());
+  }
+
+  if (wordrec_blob_pause) {
+    blob_window->Wait();
+  }
+#endif
+
+  return choices;
+}
+
+} // namespace tesseract