--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mupdf-source/thirdparty/zint/backend/output.h	Mon Sep 15 11:43:07 2025 +0200
@@ -0,0 +1,130 @@
+/*  output.h - Common routines for raster/vector */
+/*
+    libzint - the open source barcode library
+    Copyright (C) 2020-2024 Robin Stuart <rstuart114@gmail.com>
+
+    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 */
+
+#ifndef Z_OUTPUT_H
+#define Z_OUTPUT_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+#include <stdio.h> /* For FILE */
+
+/* Check colour options are good (`symbol->fgcolour`, `symbol->bgcolour`) */
+INTERNAL int out_check_colour_options(struct zint_symbol *symbol);
+
+/* Return RGB(A) from (well-formed) colour string. Returns 0 if RGB or converted CMYK, 1 if RGBA */
+INTERNAL int out_colour_get_rgb(const char *colour, unsigned char *red, unsigned char *green, unsigned char *blue,
+                unsigned char *alpha);
+/* Return CMYK from (well-formed) colour string. Returns 0 if CMYK, 1 if converted RBG, 2 if converted RGBA */
+INTERNAL int out_colour_get_cmyk(const char *colour, int *cyan, int *magenta, int *yellow, int *black,
+                unsigned char *rgb_alpha);
+
+/* Convert internal colour chars "WCBMRYGK" to RGB */
+INTERNAL int out_colour_char_to_rgb(const char ch, unsigned char *red, unsigned char *green, unsigned char *blue);
+
+/* Set left (x), top (y), right and bottom offsets for whitespace, also right quiet zone */
+INTERNAL void out_set_whitespace_offsets(const struct zint_symbol *symbol, const int hide_text,
+                const int comp_xoffset, float *p_xoffset, float *p_yoffset, float *p_roffset, float *p_boffset,
+                float *p_qz_right, const float scaler, int *p_xoffset_si, int *p_yoffset_si, int *p_roffset_si,
+                int *p_boffset_si, int *p_qz_right_si);
+
+/* Set composite offset and main width excluding add-on (for start of add-on calc) and add-on text, returning
+   EAN/UPC type */
+INTERNAL int out_process_upcean(const struct zint_symbol *symbol, const int comp_xoffset, int *p_main_width,
+                unsigned char addon[6], int *p_addon_len, int *p_addon_gap);
+
+/* Calculate large bar height i.e. linear bars with zero row height that respond to the symbol height.
+   If scaler `si` non-zero (raster), then large_bar_height if non-zero or else row heights will be rounded
+   to nearest pixel and symbol height adjusted */
+INTERNAL float out_large_bar_height(struct zint_symbol *symbol, const int si, int *row_heights_si,
+                int *symbol_height_si);
+
+/* Create output file, creating sub-directories if necessary. Returns `fopen()` FILE pointer */
+INTERNAL FILE *out_fopen(const char filename[256], const char *mode);
+
+#ifdef _WIN32
+/* Do `fopen()` on Windows, assuming `filename` is UTF-8 encoded. Props Marcel, ticket #288 */
+INTERNAL FILE *out_win_fopen(const char *filename, const char *mode);
+#endif
+
+/* Little-endian output */
+#define out_le_u16(b, n) do { \
+        unsigned char *bp = (unsigned char *) &(b); \
+        uint16_t u16 = (uint16_t) (n); \
+        bp[0] = (unsigned char) (u16 & 0xFF); \
+        bp[1] = (unsigned char) ((u16 >> 8) & 0xFF); \
+    } while (0)
+
+#define out_le_u32(b, n) do { \
+        unsigned char *bp = (unsigned char *) &(b); \
+        uint32_t u32 = (uint32_t) (n); \
+        bp[0] = (unsigned char) (u32 & 0xFF); \
+        bp[1] = (unsigned char) ((u32 >> 8) & 0xFF); \
+        bp[2] = (unsigned char) ((u32 >> 16) & 0xFF); \
+        bp[3] = (unsigned char) ((u32 >> 24) & 0xFF); \
+    } while (0)
+
+#define out_le_i32(b, n) do { \
+        unsigned char *bp = (unsigned char *) &(b); \
+        int32_t i32 = (int32_t) (n); \
+        bp[0] = (unsigned char) (i32 & 0xFF); \
+        bp[1] = (unsigned char) ((i32 >> 8) & 0xFF); \
+        bp[2] = (unsigned char) ((i32 >> 16) & 0xFF); \
+        bp[3] = (unsigned char) ((i32 >> 24) & 0xFF); \
+    } while (0)
+
+#define out_le_float(b, n) do { \
+        unsigned char *bp = (unsigned char *) &(b); \
+        float f = (float) (n); \
+        uint32_t *p_u32 = (uint32_t *) &f; \
+        bp[0] = (unsigned char) (*p_u32 & 0xFF); \
+        bp[1] = (unsigned char) ((*p_u32 >> 8) & 0xFF); \
+        bp[2] = (unsigned char) ((*p_u32 >> 16) & 0xFF); \
+        bp[3] = (unsigned char) ((*p_u32 >> 24) & 0xFF); \
+    } while (0)
+
+/* If `#pragma pack()` not supported, try per-type packed attribute */
+#ifdef __COMPCERT__
+/* Can't use `__attribute__` as may be defined to be no-op by libc if not GNU C or Clang (e.g. glibc does this) */
+#  define OUT_PACK __attribute((__packed__)) /* CompCert C workaround extension `__attribute` */
+#else
+#  define OUT_USE_PRAGMA_PACK
+#  define OUT_PACK
+#endif
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+/* vim: set ts=4 sw=4 et : */
+#endif /* Z_OUTPUT_H */