--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mupdf-source/include/mupdf/pdf/image-rewriter.h	Mon Sep 15 11:43:07 2025 +0200
@@ -0,0 +1,78 @@
+// Copyright (C) 2004-2021 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_IMAGE_REWRITER_H
+#define MUPDF_PDF_IMAGE_REWRITER_H
+
+#include "mupdf/pdf/document.h"
+
+enum
+{
+	FZ_SUBSAMPLE_AVERAGE,
+	FZ_SUBSAMPLE_BICUBIC
+};
+
+enum
+{
+	FZ_RECOMPRESS_NEVER,
+	FZ_RECOMPRESS_SAME,
+	FZ_RECOMPRESS_LOSSLESS,
+	FZ_RECOMPRESS_JPEG,
+	FZ_RECOMPRESS_J2K,
+	FZ_RECOMPRESS_FAX
+};
+
+typedef struct
+{
+	int color_lossless_image_subsample_method;
+	int color_lossy_image_subsample_method;
+	int color_lossless_image_subsample_threshold; /* 0, or the threshold dpi at which to subsample color images. */
+	int color_lossless_image_subsample_to; /* 0, or the dpi to subsample to */
+	int color_lossy_image_subsample_threshold; /* 0, or the threshold dpi at which to subsample color images. */
+	int color_lossy_image_subsample_to; /* 0, or the dpi to subsample to */
+	int color_lossless_image_recompress_method; /* Which compression method to use for losslessly compressed color images? */
+	int color_lossy_image_recompress_method; /* Which compression method to use for lossy compressed color images? */
+	char *color_lossy_image_recompress_quality;
+	char *color_lossless_image_recompress_quality;
+	int gray_lossless_image_subsample_method;
+	int gray_lossy_image_subsample_method;
+	int gray_lossless_image_subsample_threshold; /* 0, or the threshold at which to subsample gray images. */
+	int gray_lossless_image_subsample_to; /* 0, or the dpi to subsample to */
+	int gray_lossy_image_subsample_threshold; /* 0, or the threshold at which to subsample gray images. */
+	int gray_lossy_image_subsample_to; /* 0, or the dpi to subsample to */
+	int gray_lossless_image_recompress_method; /* Which compression method to use for losslessly compressed gray images? */
+	int gray_lossy_image_recompress_method; /* Which compression method to use for lossy compressed gray images? */
+	char *gray_lossy_image_recompress_quality;
+	char *gray_lossless_image_recompress_quality;
+	int bitonal_image_subsample_method;
+	int bitonal_image_subsample_threshold; /* 0, or the threshold at which to subsample bitonal images. */
+	int bitonal_image_subsample_to; /* 0, or the dpi to subsample to */
+	int bitonal_image_recompress_method; /* Which compression method to use for bitonal images? */
+	char *bitonal_image_recompress_quality;
+} pdf_image_rewriter_options;
+
+/*
+	Rewrite images within the given document.
+*/
+void pdf_rewrite_images(fz_context *ctx, pdf_document *doc, pdf_image_rewriter_options *opts);
+
+#endif