--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mupdf-source/thirdparty/tesseract/src/wordrec/drawfx.cpp	Mon Sep 15 11:43:07 2025 +0200
@@ -0,0 +1,80 @@
+/**********************************************************************
+ * File:        drawfx.cpp
+ * Description: Draw things to do with feature extraction.
+ * Author:      Ray Smith
+ *
+ * (C) Copyright 1992, 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.
+ *
+ **********************************************************************/
+
+#ifdef HAVE_CONFIG_H
+#  include "config_auto.h"
+#endif
+
+#include "drawfx.h"
+
+#include "normalis.h"
+#include "werd.h"
+
+namespace tesseract {
+
+#ifndef GRAPHICS_DISABLED
+
+#  define FXDEMOWIN "FXDemo"
+#  define FXDEMOXPOS 250
+#  define FXDEMOYPOS 0
+#  define FXDEMOXSIZE 600
+#  define FXDEMOYSIZE 256
+#  define BLN_MAX 512 // max coord for bln
+#  define WERDWIDTH (BLN_MAX * 20)
+// title of window
+#  define DEBUG_WIN_NAME "FXDebug"
+
+ScrollView *fx_win = nullptr;
+
+/**********************************************************************
+ * create_fx_win
+ *
+ * Create the fx window used to show the fit.
+ **********************************************************************/
+
+void create_fx_win() { // make features win
+  fx_win = new ScrollView(FXDEMOWIN, FXDEMOXPOS, FXDEMOYPOS, FXDEMOXSIZE, FXDEMOYSIZE,
+                          WERDWIDTH * 2, BLN_MAX * 2, true);
+}
+
+/**********************************************************************
+ * clear_fx_win
+ *
+ * Clear the fx window and draw on the base/mean lines.
+ **********************************************************************/
+
+void clear_fx_win() { // make features win
+  fx_win->Clear();
+  fx_win->Pen(64, 64, 64);
+  fx_win->Line(-WERDWIDTH, kBlnBaselineOffset, WERDWIDTH, kBlnBaselineOffset);
+  fx_win->Line(-WERDWIDTH, kBlnXHeight + kBlnBaselineOffset, WERDWIDTH,
+               kBlnXHeight + kBlnBaselineOffset);
+}
+
+#endif // !GRAPHICS_DISABLED
+
+/**********************************************************************
+ * create_fxdebug_win
+ *
+ * Create the fx window used to show the fit.
+ **********************************************************************/
+
+void create_fxdebug_win() { // make gradients win
+}
+
+} // namespace tesseract