--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mupdf-source/source/pdf/pdf-annot-imp.h	Mon Sep 15 11:43:07 2025 +0200
@@ -0,0 +1,70 @@
+// Copyright (C) 2004-2023 Artifex Software, Inc.
+//
+// This file is part of MuPDF.
+//
+// MuPDF is free software: you can redistribute it and/or modify it under the
+// terms of the GNU Affero General Public License as published by the Free
+// Software Foundation, either version 3 of the License, or (at your option)
+// any later version.
+//
+// MuPDF is distributed in the hope that it will be useful, but WITHOUT ANY
+// WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+// FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
+// details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with MuPDF. If not, see <https://www.gnu.org/licenses/agpl-3.0.en.html>
+//
+// Alternative licensing terms are available from the licensor.
+// For commercial licensing, see <https://www.artifex.com/> or contact
+// Artifex Software, Inc., 39 Mesa Street, Suite 108A, San Francisco,
+// CA 94129, USA, for further information.
+
+#ifndef MUPDF_PDF_ANNOT_IMP_H
+#define MUPDF_PDF_ANNOT_IMP_H
+
+#include "mupdf/pdf.h"
+
+struct pdf_annot
+{
+	int refs;
+
+	pdf_page *page;
+	pdf_obj *obj;
+
+	int is_hot;
+	int is_active;
+
+	int needs_new_ap; /* If set, then a resynthesis of this annotation has been requested. */
+	int has_new_ap; /* If set, then the appearance stream has changed since last queried. */
+	int ignore_trigger_events; /* Avoids triggering events during editing of e.g. text field widgets. */
+	int hidden_editing; /* Hides annotation from rendering e.g. during editing. */
+
+	pdf_annot *next;
+};
+
+typedef struct
+{
+	fz_link super;
+	pdf_page *page;
+	pdf_obj *obj;
+} pdf_link;
+
+void pdf_load_annots(fz_context *ctx, pdf_page *page);
+void pdf_drop_annots(fz_context *ctx, pdf_annot *annot_list);
+void pdf_drop_widgets(fz_context *ctx, pdf_annot *widget_list);
+
+void pdf_set_annot_has_changed(fz_context *ctx, pdf_annot *annot);
+
+/*
+	Create a destination object given an internal link URI.
+*/
+pdf_obj *pdf_add_filespec(fz_context *ctx, pdf_document *doc, const char *file, pdf_obj *embedded_file);
+pdf_obj *pdf_add_url_filespec(fz_context *ctx, pdf_document *doc, const char *url);
+char *pdf_parse_link_dest(fz_context *ctx, pdf_document *doc, pdf_obj *dest);
+char *pdf_parse_link_action(fz_context *ctx, pdf_document *doc, pdf_obj *obj, int pagenum);
+
+/* Rect diff is not really a rect! Just returned as such for convenience. */
+fz_rect pdf_annot_rect_diff(fz_context *ctx, pdf_annot *annot);
+
+#endif