--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mupdf-source/thirdparty/jbig2dec/jbig2_hufftab.c	Mon Sep 15 11:43:07 2025 +0200
@@ -0,0 +1,318 @@
+/* Copyright (C) 2001-2023 Artifex Software, Inc.
+   All Rights Reserved.
+
+   This software is provided AS-IS with no warranty, either express or
+   implied.
+
+   This software is distributed under license and may not be copied,
+   modified or distributed except as expressly authorized under the terms
+   of the license contained in the file LICENSE in this distribution.
+
+   Refer to licensing information at http://www.artifex.com or contact
+   Artifex Software, Inc.,  39 Mesa Street, Suite 108A, San Francisco,
+   CA 94129, USA, for further information.
+*/
+
+/*
+    jbig2dec
+*/
+
+/* predefined Huffman table definitions
+    -- See Annex B of the JBIG2 specification */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+#include "os_types.h"
+
+#include <stdlib.h>
+
+#include "jbig2.h"
+#include "jbig2_priv.h"
+#include "jbig2_huffman.h"
+#include "jbig2_hufftab.h"
+
+#define JBIG2_COUNTOF(x) (sizeof((x)) / sizeof((x)[0]))
+
+/* Table B.1 */
+static const Jbig2HuffmanLine jbig2_huffman_lines_A[] = {
+    {1, 4, 0},
+    {2, 8, 16},
+    {3, 16, 272},
+    {0, 32, -1},                /* low */
+    {3, 32, 65808}              /* high */
+};
+
+const Jbig2HuffmanParams jbig2_huffman_params_A = { FALSE, JBIG2_COUNTOF(jbig2_huffman_lines_A), jbig2_huffman_lines_A };
+
+/* Table B.2 */
+static const Jbig2HuffmanLine jbig2_huffman_lines_B[] = {
+    {1, 0, 0},
+    {2, 0, 1},
+    {3, 0, 2},
+    {4, 3, 3},
+    {5, 6, 11},
+    {0, 32, -1},                /* low */
+    {6, 32, 75},                /* high */
+    {6, 0, 0}                   /* OOB */
+};
+
+const Jbig2HuffmanParams jbig2_huffman_params_B = { TRUE, JBIG2_COUNTOF(jbig2_huffman_lines_B), jbig2_huffman_lines_B };
+
+/* Table B.3 */
+static const Jbig2HuffmanLine jbig2_huffman_lines_C[] = {
+    {8, 8, -256},
+    {1, 0, 0},
+    {2, 0, 1},
+    {3, 0, 2},
+    {4, 3, 3},
+    {5, 6, 11},
+    {8, 32, -257},              /* low */
+    {7, 32, 75},                /* high */
+    {6, 0, 0}                   /* OOB */
+};
+
+const Jbig2HuffmanParams jbig2_huffman_params_C = { TRUE, JBIG2_COUNTOF(jbig2_huffman_lines_C), jbig2_huffman_lines_C };
+
+/* Table B.4 */
+static const Jbig2HuffmanLine jbig2_huffman_lines_D[] = {
+    {1, 0, 1},
+    {2, 0, 2},
+    {3, 0, 3},
+    {4, 3, 4},
+    {5, 6, 12},
+    {0, 32, -1},                /* low */
+    {5, 32, 76},                /* high */
+};
+
+const Jbig2HuffmanParams jbig2_huffman_params_D = { FALSE, JBIG2_COUNTOF(jbig2_huffman_lines_D), jbig2_huffman_lines_D };
+
+/* Table B.5 */
+static const Jbig2HuffmanLine jbig2_huffman_lines_E[] = {
+    {7, 8, -255},
+    {1, 0, 1},
+    {2, 0, 2},
+    {3, 0, 3},
+    {4, 3, 4},
+    {5, 6, 12},
+    {7, 32, -256},              /* low */
+    {6, 32, 76}                 /* high */
+};
+
+const Jbig2HuffmanParams jbig2_huffman_params_E = { FALSE, JBIG2_COUNTOF(jbig2_huffman_lines_E), jbig2_huffman_lines_E };
+
+/* Table B.6 */
+static const Jbig2HuffmanLine jbig2_huffman_lines_F[] = {
+    {5, 10, -2048},
+    {4, 9, -1024},
+    {4, 8, -512},
+    {4, 7, -256},
+    {5, 6, -128},
+    {5, 5, -64},
+    {4, 5, -32},
+    {2, 7, 0},
+    {3, 7, 128},
+    {3, 8, 256},
+    {4, 9, 512},
+    {4, 10, 1024},
+    {6, 32, -2049},             /* low */
+    {6, 32, 2048}               /* high */
+};
+
+const Jbig2HuffmanParams jbig2_huffman_params_F = { FALSE, JBIG2_COUNTOF(jbig2_huffman_lines_F), jbig2_huffman_lines_F };
+
+/* Table B.7 */
+static const Jbig2HuffmanLine jbig2_huffman_lines_G[] = {
+    {4, 9, -1024},
+    {3, 8, -512},
+    {4, 7, -256},
+    {5, 6, -128},
+    {5, 5, -64},
+    {4, 5, -32},
+    {4, 5, 0},
+    {5, 5, 32},
+    {5, 6, 64},
+    {4, 7, 128},
+    {3, 8, 256},
+    {3, 9, 512},
+    {3, 10, 1024},
+    {5, 32, -1025},             /* low */
+    {5, 32, 2048}               /* high */
+};
+
+const Jbig2HuffmanParams jbig2_huffman_params_G = { FALSE, JBIG2_COUNTOF(jbig2_huffman_lines_G), jbig2_huffman_lines_G };
+
+/* Table B.8 */
+static const Jbig2HuffmanLine jbig2_huffman_lines_H[] = {
+    {8, 3, -15},
+    {9, 1, -7},
+    {8, 1, -5},
+    {9, 0, -3},
+    {7, 0, -2},
+    {4, 0, -1},
+    {2, 1, 0},
+    {5, 0, 2},
+    {6, 0, 3},
+    {3, 4, 4},
+    {6, 1, 20},
+    {4, 4, 22},
+    {4, 5, 38},
+    {5, 6, 70},
+    {5, 7, 134},
+    {6, 7, 262},
+    {7, 8, 390},
+    {6, 10, 646},
+    {9, 32, -16},               /* low */
+    {9, 32, 1670},              /* high */
+    {2, 0, 0}                   /* OOB */
+};
+
+const Jbig2HuffmanParams jbig2_huffman_params_H = { TRUE, JBIG2_COUNTOF(jbig2_huffman_lines_H), jbig2_huffman_lines_H };
+
+/* Table B.9 */
+static const Jbig2HuffmanLine jbig2_huffman_lines_I[] = {
+    {8, 4, -31},
+    {9, 2, -15},
+    {8, 2, -11},
+    {9, 1, -7},
+    {7, 1, -5},
+    {4, 1, -3},
+    {3, 1, -1},
+    {3, 1, 1},
+    {5, 1, 3},
+    {6, 1, 5},
+    {3, 5, 7},
+    {6, 2, 39},
+    {4, 5, 43},
+    {4, 6, 75},
+    {5, 7, 139},
+    {5, 8, 267},
+    {6, 8, 523},
+    {7, 9, 779},
+    {6, 11, 1291},
+    {9, 32, -32},               /* low */
+    {9, 32, 3339},              /* high */
+    {2, 0, 0}                   /* OOB */
+};
+
+const Jbig2HuffmanParams jbig2_huffman_params_I = { TRUE, JBIG2_COUNTOF(jbig2_huffman_lines_I), jbig2_huffman_lines_I };
+
+/* Table B.10 */
+static const Jbig2HuffmanLine jbig2_huffman_lines_J[] = {
+    {7, 4, -21},
+    {8, 0, -5},
+    {7, 0, -4},
+    {5, 0, -3},
+    {2, 2, -2},
+    {5, 0, 2},
+    {6, 0, 3},
+    {7, 0, 4},
+    {8, 0, 5},
+    {2, 6, 6},
+    {5, 5, 70},
+    {6, 5, 102},
+    {6, 6, 134},
+    {6, 7, 198},
+    {6, 8, 326},
+    {6, 9, 582},
+    {6, 10, 1094},
+    {7, 11, 2118},
+    {8, 32, -22},               /* low */
+    {8, 32, 4166},              /* high */
+    {2, 0, 0}                   /* OOB */
+};
+
+const Jbig2HuffmanParams jbig2_huffman_params_J = { TRUE, JBIG2_COUNTOF(jbig2_huffman_lines_J), jbig2_huffman_lines_J };
+
+/* Table B.11 */
+static const Jbig2HuffmanLine jbig2_huffman_lines_K[] = {
+    {1, 0, 1},
+    {2, 1, 2},
+    {4, 0, 4},
+    {4, 1, 5},
+    {5, 1, 7},
+    {5, 2, 9},
+    {6, 2, 13},
+    {7, 2, 17},
+    {7, 3, 21},
+    {7, 4, 29},
+    {7, 5, 45},
+    {7, 6, 77},
+    {0, 32, -1},                /* low */
+    {7, 32, 141}                /* high */
+};
+
+const Jbig2HuffmanParams jbig2_huffman_params_K = { FALSE, JBIG2_COUNTOF(jbig2_huffman_lines_K), jbig2_huffman_lines_K };
+
+/* Table B.12 */
+static const Jbig2HuffmanLine jbig2_huffman_lines_L[] = {
+    {1, 0, 1},
+    {2, 0, 2},
+    {3, 1, 3},
+    {5, 0, 5},
+    {5, 1, 6},
+    {6, 1, 8},
+    {7, 0, 10},
+    {7, 1, 11},
+    {7, 2, 13},
+    {7, 3, 17},
+    {7, 4, 25},
+    {8, 5, 41},
+    {8, 32, 73},
+    {0, 32, -1},                /* low */
+    {0, 32, 0}                  /* high */
+};
+
+const Jbig2HuffmanParams jbig2_huffman_params_L = { FALSE, JBIG2_COUNTOF(jbig2_huffman_lines_L), jbig2_huffman_lines_L };
+
+/* Table B.13 */
+static const Jbig2HuffmanLine jbig2_huffman_lines_M[] = {
+    {1, 0, 1},
+    {3, 0, 2},
+    {4, 0, 3},
+    {5, 0, 4},
+    {4, 1, 5},
+    {3, 3, 7},
+    {6, 1, 15},
+    {6, 2, 17},
+    {6, 3, 21},
+    {6, 4, 29},
+    {6, 5, 45},
+    {7, 6, 77},
+    {0, 32, -1},                /* low */
+    {7, 32, 141}                /* high */
+};
+
+const Jbig2HuffmanParams jbig2_huffman_params_M = { FALSE, JBIG2_COUNTOF(jbig2_huffman_lines_M), jbig2_huffman_lines_M };
+
+/* Table B.14 */
+static const Jbig2HuffmanLine jbig2_huffman_lines_N[] = {
+    {3, 0, -2},
+    {3, 0, -1},
+    {1, 0, 0},
+    {3, 0, 1},
+    {3, 0, 2},
+    {0, 32, -1},                /* low */
+    {0, 32, 3},                 /* high */
+};
+
+const Jbig2HuffmanParams jbig2_huffman_params_N = { FALSE, JBIG2_COUNTOF(jbig2_huffman_lines_N), jbig2_huffman_lines_N };
+
+/* Table B.15 */
+static const Jbig2HuffmanLine jbig2_huffman_lines_O[] = {
+    {7, 4, -24},
+    {6, 2, -8},
+    {5, 1, -4},
+    {4, 0, -2},
+    {3, 0, -1},
+    {1, 0, 0},
+    {3, 0, 1},
+    {4, 0, 2},
+    {5, 1, 3},
+    {6, 2, 5},
+    {7, 4, 9},
+    {7, 32, -25},               /* low */
+    {7, 32, 25}                 /* high */
+};
+
+const Jbig2HuffmanParams jbig2_huffman_params_O = { FALSE, JBIG2_COUNTOF(jbig2_huffman_lines_O), jbig2_huffman_lines_O };