--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mupdf-source/thirdparty/zint/backend/pdf417.h	Mon Sep 15 11:43:07 2025 +0200
@@ -0,0 +1,71 @@
+/* pdf417.h - PDF417 tables and coefficients declarations */
+/*
+    libzint - the open source barcode library
+    Copyright (C) 2008-2024 Robin Stuart <rstuart114@gmail.com>
+    Portions Copyright (C) 2004 Grandzebu
+
+    Redistribution and use in source and binary forms, with or without
+    modification, are permitted provided that the following conditions
+    are met:
+
+    1. Redistributions of source code must retain the above copyright
+       notice, this list of conditions and the following disclaimer.
+    2. Redistributions in binary form must reproduce the above copyright
+       notice, this list of conditions and the following disclaimer in the
+       documentation and/or other materials provided with the distribution.
+    3. Neither the name of the project nor the names of its contributors
+       may be used to endorse or promote products derived from this software
+       without specific prior written permission.
+
+    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+    ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+    IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+    ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+    FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+    DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+    OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+    HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+    LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+    OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+    SUCH DAMAGE.
+ */
+/* SPDX-License-Identifier: BSD-3-Clause */
+
+/* See "pdf417_tabs.h" for table definitions */
+
+#ifndef Z_PDF417_H
+#define Z_PDF417_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+/* PDF417 error correction coefficients from Grand Zebu */
+INTERNAL_DATA_EXTERN const unsigned short pdf_coefrs[1022];
+
+INTERNAL_DATA_EXTERN const unsigned short pdf_bitpattern[2787];
+
+/* MicroPDF417 coefficients from ISO/IEC 24728:2006 Annex F */
+INTERNAL_DATA_EXTERN const unsigned short pdf_Microcoeffs[344];
+
+/* rows, columns, error codewords, k-offset of valid MicroPDF417 sizes from ISO/IEC 24728:2006 */
+INTERNAL_DATA_EXTERN const unsigned short pdf_MicroVariants[136];
+
+/* following is Left RAP, Centre RAP, Right RAP and Start Cluster from ISO/IEC 24728:2006 tables 10, 11 and 12 */
+INTERNAL_DATA_EXTERN const char pdf_RAPTable[136];
+
+/* Left and Right Row Address Pattern from Table 2 */
+INTERNAL_DATA_EXTERN const unsigned short pdf_rap_side[52];
+
+/* Centre Row Address Pattern from Table 2 */
+INTERNAL_DATA_EXTERN const unsigned short pdf_rap_centre[52];
+
+INTERNAL void pdf_byteprocess(short *chainemc, int *p_mclength, const unsigned char chaine[], int start,
+                const int length, const int lastmode);
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+/* vim: set ts=4 sw=4 et : */
+#endif /* Z_PDF417_H */