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/* Copyright (C) 2001-2006 Artifex Software, Inc.
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This software is provided AS-IS with no warranty, either express or
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This software is distributed under license and may not be copied, modified
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or distributed except as expressly authorized under the terms of that
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license. Refer to licensing information at http://www.artifex.com/
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or contact Artifex Software, Inc., 7 Mt. Lassen Drive - Suite A-134,
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San Rafael, CA 94903, U.S.A., +1(415)492-9861, for further information.
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/* $Id: scfetab.c 8022 2007-06-05 22:23:38Z giles $ */
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/* Tables for CCITTFaxEncode filter */
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#include "scommon.h" /* for scf.h */
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/* We make this a separate file so that it can be used by */
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/* the program that generates the tables for the CCITTFaxDecode filter. */
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/* ------ Run encoding tables ------ */
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/* Abbreviate hce_entry to make the file smaller. */
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#define RUN(c,len) hce_entry(c,len)
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/* Define the end-of-line code. */
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/* Code in scfd.c and scfdgen.c knows that the run value is 1. */
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const cfe_run cf_run_eol =
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RUN(run_eol_code_value, run_eol_code_length);
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/* Define the 1-D code that signals uncompressed data. */
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const cfe_run cf1_run_uncompressed =
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/* Define the 2-D run codes. */
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const cfe_run cf2_run_pass =
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RUN(cf2_run_pass_value, cf2_run_pass_length);
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const cfe_run cf2_run_vertical[7] =
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const cfe_run cf2_run_horizontal =
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RUN(cf2_run_horizontal_value, cf2_run_horizontal_length);
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const cfe_run cf2_run_uncompressed =
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/* EOL codes for Group 3 2-D. */
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/* Code in scfd.c knows that these are 0...01x. */
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const cfe_run cf2_run_eol_1d =
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RUN((run_eol_code_value << 1) + 1, run_eol_code_length + 1);
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const cfe_run cf2_run_eol_2d =
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RUN((run_eol_code_value << 1) + 0, run_eol_code_length + 1);
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/* White run codes. */
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const cf_runs cf_white_runs =
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{ /* Termination codes */
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RUN(0x35, 8), RUN(0x7, 6), RUN(0x7, 4), RUN(0x8, 4),
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RUN(0xb, 4), RUN(0xc, 4), RUN(0xe, 4), RUN(0xf, 4),
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RUN(0x13, 5), RUN(0x14, 5), RUN(0x7, 5), RUN(0x8, 5),
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RUN(0x8, 6), RUN(0x3, 6), RUN(0x34, 6), RUN(0x35, 6),
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RUN(0x2a, 6), RUN(0x2b, 6), RUN(0x27, 7), RUN(0xc, 7),
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RUN(0x8, 7), RUN(0x17, 7), RUN(0x3, 7), RUN(0x4, 7),
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RUN(0x28, 7), RUN(0x2b, 7), RUN(0x13, 7), RUN(0x24, 7),
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RUN(0x18, 7), RUN(0x2, 8), RUN(0x3, 8), RUN(0x1a, 8),
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RUN(0x1b, 8), RUN(0x12, 8), RUN(0x13, 8), RUN(0x14, 8),
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RUN(0x15, 8), RUN(0x16, 8), RUN(0x17, 8), RUN(0x28, 8),
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RUN(0x29, 8), RUN(0x2a, 8), RUN(0x2b, 8), RUN(0x2c, 8),
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RUN(0x2d, 8), RUN(0x4, 8), RUN(0x5, 8), RUN(0xa, 8),
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RUN(0xb, 8), RUN(0x52, 8), RUN(0x53, 8), RUN(0x54, 8),
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RUN(0x55, 8), RUN(0x24, 8), RUN(0x25, 8), RUN(0x58, 8),
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RUN(0x59, 8), RUN(0x5a, 8), RUN(0x5b, 8), RUN(0x4a, 8),
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RUN(0x4b, 8), RUN(0x32, 8), RUN(0x33, 8), RUN(0x34, 8)
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RUN(0, 0) /* dummy */ , RUN(0x1b, 5), RUN(0x12, 5), RUN(0x17, 6),
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RUN(0x37, 7), RUN(0x36, 8), RUN(0x37, 8), RUN(0x64, 8),
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RUN(0x65, 8), RUN(0x68, 8), RUN(0x67, 8), RUN(0xcc, 9),
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RUN(0xcd, 9), RUN(0xd2, 9), RUN(0xd3, 9), RUN(0xd4, 9),
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RUN(0xd5, 9), RUN(0xd6, 9), RUN(0xd7, 9), RUN(0xd8, 9),
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RUN(0xd9, 9), RUN(0xda, 9), RUN(0xdb, 9), RUN(0x98, 9),
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RUN(0x99, 9), RUN(0x9a, 9), RUN(0x18, 6), RUN(0x9b, 9),
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RUN(0x8, 11), RUN(0xc, 11), RUN(0xd, 11), RUN(0x12, 12),
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RUN(0x13, 12), RUN(0x14, 12), RUN(0x15, 12), RUN(0x16, 12),
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RUN(0x17, 12), RUN(0x1c, 12), RUN(0x1d, 12), RUN(0x1e, 12),
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/* Black run codes. */
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const cf_runs cf_black_runs =
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{ /* Termination codes */
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RUN(0x37, 10), RUN(0x2, 3), RUN(0x3, 2), RUN(0x2, 2),
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RUN(0x3, 3), RUN(0x3, 4), RUN(0x2, 4), RUN(0x3, 5),
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RUN(0x5, 6), RUN(0x4, 6), RUN(0x4, 7), RUN(0x5, 7),
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RUN(0x7, 7), RUN(0x4, 8), RUN(0x7, 8), RUN(0x18, 9),
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RUN(0x17, 10), RUN(0x18, 10), RUN(0x8, 10), RUN(0x67, 11),
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RUN(0x68, 11), RUN(0x6c, 11), RUN(0x37, 11), RUN(0x28, 11),
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RUN(0x17, 11), RUN(0x18, 11), RUN(0xca, 12), RUN(0xcb, 12),
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RUN(0xcc, 12), RUN(0xcd, 12), RUN(0x68, 12), RUN(0x69, 12),
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RUN(0x6a, 12), RUN(0x6b, 12), RUN(0xd2, 12), RUN(0xd3, 12),
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RUN(0xd4, 12), RUN(0xd5, 12), RUN(0xd6, 12), RUN(0xd7, 12),
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RUN(0x6c, 12), RUN(0x6d, 12), RUN(0xda, 12), RUN(0xdb, 12),
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RUN(0x54, 12), RUN(0x55, 12), RUN(0x56, 12), RUN(0x57, 12),
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RUN(0x64, 12), RUN(0x65, 12), RUN(0x52, 12), RUN(0x53, 12),
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RUN(0x24, 12), RUN(0x37, 12), RUN(0x38, 12), RUN(0x27, 12),
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RUN(0x28, 12), RUN(0x58, 12), RUN(0x59, 12), RUN(0x2b, 12),
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RUN(0x2c, 12), RUN(0x5a, 12), RUN(0x66, 12), RUN(0x67, 12)
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{ /* Make-up codes. */
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RUN(0, 0) /* dummy */ , RUN(0xf, 10), RUN(0xc8, 12), RUN(0xc9, 12),
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RUN(0x5b, 12), RUN(0x33, 12), RUN(0x34, 12), RUN(0x35, 12),
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RUN(0x6c, 13), RUN(0x6d, 13), RUN(0x4a, 13), RUN(0x4b, 13),
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RUN(0x4c, 13), RUN(0x4d, 13), RUN(0x72, 13), RUN(0x73, 13),
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RUN(0x74, 13), RUN(0x75, 13), RUN(0x76, 13), RUN(0x77, 13),
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RUN(0x52, 13), RUN(0x53, 13), RUN(0x54, 13), RUN(0x55, 13),
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RUN(0x5a, 13), RUN(0x5b, 13), RUN(0x64, 13), RUN(0x65, 13),
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RUN(0x8, 11), RUN(0xc, 11), RUN(0xd, 11), RUN(0x12, 12),
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RUN(0x13, 12), RUN(0x14, 12), RUN(0x15, 12), RUN(0x16, 12),
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RUN(0x17, 12), RUN(0x1c, 12), RUN(0x1d, 12), RUN(0x1e, 12),
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/* Uncompressed codes. */
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const cfe_run cf_uncompressed[6] =
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/* Uncompressed exit codes. */
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const cfe_run cf_uncompressed_exit[10] =
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RUN(2, 8), RUN(3, 8),
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RUN(2, 9), RUN(3, 9),
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RUN(2, 10), RUN(3, 10),
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RUN(2, 11), RUN(3, 11),
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RUN(2, 12), RUN(3, 12)
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/* Some C compilers insist on having executable code in every file.... */
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void scfetab_dummy(void); /* for picky compilers */