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-rw-r--r--nx-X11/lib/lbxutil/image/Imakefile45
-rw-r--r--nx-X11/lib/lbxutil/image/dfaxg42d.c420
-rw-r--r--nx-X11/lib/lbxutil/image/dpackbits.c100
-rw-r--r--nx-X11/lib/lbxutil/image/efaxg42d.c328
-rw-r--r--nx-X11/lib/lbxutil/image/epackbits.c202
-rw-r--r--nx-X11/lib/lbxutil/image/lbxbwcodes.h269
-rw-r--r--nx-X11/lib/lbxutil/image/lbxfax.h60
-rw-r--r--nx-X11/lib/lbxutil/image/misc.c213
-rw-r--r--nx-X11/lib/lbxutil/image/mkg3states.c761
9 files changed, 0 insertions, 2398 deletions
diff --git a/nx-X11/lib/lbxutil/image/Imakefile b/nx-X11/lib/lbxutil/image/Imakefile
deleted file mode 100644
index fa7421615..000000000
--- a/nx-X11/lib/lbxutil/image/Imakefile
+++ /dev/null
@@ -1,45 +0,0 @@
-XCOMM $Xorg: Imakefile,v 1.3 2000/08/17 19:46:40 cpqbld Exp $
-
-
-
-
-XCOMM $XFree86: xc/lib/lbxutil/image/Imakefile,v 1.3 2001/01/17 19:43:35 dawes Exp $
-
-#define IncSubdir X11
-#include <Library.tmpl>
-
-SRCS = dfaxg42d.c dpackbits.c efaxg42d.c epackbits.c misc.c
-
-OBJS = dfaxg42d.o dpackbits.o efaxg42d.o epackbits.o misc.o
-
-INCLUDES = -I$(XINCLUDESRC) -I$(EXTINCSRC) -I$(SERVERSRC)/include -I../../../include/extensions
-
-SubdirLibraryRule($(OBJS))
-NormalLibraryObjectRule()
-NormalLintTarget($(SRCS))
-
-MKG3STATES = ./mkg3states
-
-#if CrossCompiling
-HOST_CFLAGS=$(TOP_INCLUDES) $(INCLUDES) $(BOOTSTRAPCFLAGS) \
- $(CROSSCOMPILEDEFINES) $(CROSSCOMPILEBOOTSTRAPDEFINES)
-#else
-HOST_CFLAGS=$(CFLAGS)
-#endif
-
-g3states.h : mkg3states.c
- RemoveFiles($@ HostProgramTargetName(mkg3states))
- -HostLinkRule(HostProgramTargetName(mkg3states), $(HOST_CFLAGS),mkg3states.c,$(LDLIBS))
- RunProgram(MKG3STATES,> g3_states_h)
- $(MV) g3_states_h $@
- RemoveFiles(HostProgramTargetName(mkg3states) g3_states_h)
-
-includes:: g3states.h
-
-depend:: g3states.h
-
-clean::
- RemoveFiles(g3_states_h g3states.h HostProgramTargetName(mkg3states))
-
-DependTarget()
-
diff --git a/nx-X11/lib/lbxutil/image/dfaxg42d.c b/nx-X11/lib/lbxutil/image/dfaxg42d.c
deleted file mode 100644
index 609992d62..000000000
--- a/nx-X11/lib/lbxutil/image/dfaxg42d.c
+++ /dev/null
@@ -1,420 +0,0 @@
-/* $Xorg: dfaxg42d.c,v 1.3 2000/08/17 19:46:40 cpqbld Exp $ */
-/*
- * Copyright (c) 1988, 1989, 1990, 1991, 1992 Sam Leffler
- * Copyright (c) 1991, 1992 Silicon Graphics, Inc.
- *
- * Permission to use, copy, modify, distribute, and sell this software and
- * its documentation for any purpose is hereby granted without fee, provided
- * that (i) the above copyright notices and this permission notice appear in
- * all copies of the software and related documentation, and (ii) the names of
- * Sam Leffler and Silicon Graphics may not be used in any advertising or
- * publicity relating to the software without the specific, prior written
- * permission of Sam Leffler and Silicon Graphics.
- *
- * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
- * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
- *
- * IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
- * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
- * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
- * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
- * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
- * OF THIS SOFTWARE.
- */
-/* $XFree86: xc/lib/lbxutil/image/dfaxg42d.c,v 1.5 2001/01/17 19:43:35 dawes Exp $ */
-
-#include <X11/Xos.h>
-#include <X11/Xfuncproto.h>
-#include <X11/Xfuncs.h>
-#include <stdlib.h>
-#include "g3states.h"
-#include "lbxfax.h"
-#include <X11/extensions/lbximage.h>
-
-/*
- * -------------------------------------------------------------------------
- * FAX G42D decoding for 1 bit images
- * -------------------------------------------------------------------------
- */
-
-static short sp_data, sp_bit;
-
-
-/*
- * Fetch a byte from the input stream
- */
-
-static unsigned char
-fetchByte (unsigned char **inbuf)
-
-{
- unsigned char byte = **inbuf;
- (*inbuf)++;
- return (byte);
-}
-
-
-/*
- * Decode a run of white.
- */
-
-static int
-decode_white_run (unsigned char **inbuf)
-
-{
- short state = sp_bit;
- short action;
- int runlen = 0;
-
- for (;;)
- {
- if (sp_bit == 0)
- {
- nextbyte:
- sp_data = fetchByte (inbuf);
- }
-
- action = TIFFFax1DAction[state][sp_data];
- state = TIFFFax1DNextState[state][sp_data];
- if (action == ACT_INCOMP)
- goto nextbyte;
- if (action == ACT_INVALID)
- return (G3CODE_INVALID);
- if (action == ACT_EOL)
- return (G3CODE_EOL);
- sp_bit = state;
- action = RUNLENGTH(action - ACT_WRUNT);
- runlen += action;
- if (action < 64)
- return (runlen);
- }
-}
-
-
-/*
- * Decode a run of black.
- */
-
-static int
-decode_black_run (unsigned char **inbuf)
-
-{
- short state = sp_bit + 8;
- short action;
- int runlen = 0;
-
- for (;;)
- {
- if (sp_bit == 0)
- {
- nextbyte:
- sp_data = fetchByte (inbuf);
- }
-
- action = TIFFFax1DAction[state][sp_data];
- state = TIFFFax1DNextState[state][sp_data];
- if (action == ACT_INCOMP)
- goto nextbyte;
- if (action == ACT_INVALID)
- return (G3CODE_INVALID);
- if (action == ACT_EOL)
- return (G3CODE_EOL);
- sp_bit = state;
- action = RUNLENGTH(action - ACT_BRUNT);
- runlen += action;
- if (action < 64)
- return (runlen);
- state += 8;
- }
-}
-
-
-/*
- * Return the next uncompressed mode code word.
- */
-
-static int
-decode_uncomp_code (unsigned char **inbuf)
-
-{
- short code;
-
- do {
- if (sp_bit == 0 || sp_bit > 7)
- sp_data = fetchByte (inbuf);
-
- code = TIFFFaxUncompAction[sp_bit][sp_data];
- sp_bit = TIFFFaxUncompNextState[sp_bit][sp_data];
- } while (code == ACT_INCOMP);
-
- return (code);
-}
-
-
-/*
- * Fill a span with ones.
- */
-
-static void
-fillspan (char *cp,
- int x, int count)
-
-{
- static unsigned char masks[] =
- { 0, 0x80, 0xc0, 0xe0, 0xf0, 0xf8, 0xfc, 0xfe, 0xff };
-
- if (count <= 0)
- return;
-
- cp += x>>3;
-
- if (x &= 7)
- {
- /* align to byte boundary */
-
- if (count < 8 - x) {
- *cp++ |= masks[count] >> x;
- return;
- }
-
- *cp++ |= 0xff >> x;
- count -= 8 - x;
- }
-
- while (count >= 8)
- {
- *cp++ = (char)0xff;
- count -= 8;
- }
-
- *cp |= masks[count];
-}
-
-
-/*
- * Return the next bit in the input stream. This is
- * used to extract 2D tag values and the color tag
- * at the end of a terminating uncompressed data code.
- */
-
-static int
-nextbit (unsigned char **inbuf)
-
-{
- static unsigned char bitMask[8] =
- { 0x80, 0x40, 0x20, 0x10, 0x08, 0x04, 0x02, 0x01 };
- int bit;
-
- if (sp_bit == 0)
- sp_data = fetchByte (inbuf);
-
- bit = sp_data & bitMask[sp_bit];
-
- if (++(sp_bit) > 7)
- sp_bit = 0;
-
- return (bit);
-}
-
-
-static int
-DecodeFaxG42D (unsigned char **inbuf,
- unsigned char *refline,
- int pixels_per_line,
- unsigned char *outbuf)
-
-{
- int a0 = -1;
- int b1, b2;
- int run1, run2; /* for horizontal mode */
- short mode;
- short color = 1;
-
- do {
- if (sp_bit == 0 || sp_bit > 7)
- sp_data = fetchByte (inbuf);
-
- mode = TIFFFax2DMode[sp_bit][sp_data];
- sp_bit = TIFFFax2DNextState[sp_bit][sp_data];
-
- switch (mode)
- {
- case MODE_NULL:
- break;
-
- case MODE_PASS:
- b2 = LbxImageFindDiff (refline, a0, pixels_per_line, !color);
- b1 = LbxImageFindDiff (refline, b2, pixels_per_line, color);
- b2 = LbxImageFindDiff (refline, b1, pixels_per_line, !color);
-
- if (color)
- {
- if (a0 < 0)
- a0 = 0;
- fillspan ((char *) outbuf, a0, b2 - a0);
- }
-
- a0 = b2;
- break;
-
- case MODE_HORIZ:
- if (color == 1)
- {
- run1 = decode_white_run (inbuf);
- run2 = decode_black_run (inbuf);
- }
- else
- {
- run1 = decode_black_run (inbuf);
- run2 = decode_white_run (inbuf);
- }
-
- /*
- * Do the appropriate fill. Note that we exit this logic with
- * the same color that we enter with since we do 2 fills. This
- * explains the somewhat obscure logic below.
- */
-
- if (a0 < 0)
- a0 = 0;
- if (a0 + run1 > pixels_per_line)
- run1 = pixels_per_line - a0;
- if (color)
- fillspan ((char *) outbuf, a0, run1);
- a0 += run1;
- if (a0 + run2 > pixels_per_line)
- run2 = pixels_per_line - a0;
- if (!color)
- fillspan ((char *) outbuf, a0, run2);
- a0 += run2;
- break;
-
- case MODE_VERT_V0:
- case MODE_VERT_VR1:
- case MODE_VERT_VR2:
- case MODE_VERT_VR3:
- case MODE_VERT_VL1:
- case MODE_VERT_VL2:
- case MODE_VERT_VL3:
- b2 = LbxImageFindDiff (refline, a0, pixels_per_line, !color);
- b1 = LbxImageFindDiff (refline, b2, pixels_per_line, color);
- b1 += mode - MODE_VERT_V0;
-
- if (color)
- {
- if (a0 < 0)
- a0 = 0;
- fillspan ((char *) outbuf, a0, b1 - a0);
- }
-
- color = !color;
- a0 = b1;
- break;
-
- case MODE_UNCOMP:
- /*
- * Uncompressed mode: select from the special set of code words.
- */
-
- if (a0 < 0)
- a0 = 0;
- do
- {
- mode = decode_uncomp_code (inbuf);
- switch (mode)
- {
- case UNCOMP_RUN1:
- case UNCOMP_RUN2:
- case UNCOMP_RUN3:
- case UNCOMP_RUN4:
- case UNCOMP_RUN5:
- run1 = mode - UNCOMP_RUN0;
- fillspan ((char *) outbuf, a0+run1-1, 1);
- a0 += run1;
- break;
-
- case UNCOMP_RUN6:
- a0 += 5;
- break;
-
- case UNCOMP_TRUN0:
- case UNCOMP_TRUN1:
- case UNCOMP_TRUN2:
- case UNCOMP_TRUN3:
- case UNCOMP_TRUN4:
-
- run1 = mode - UNCOMP_TRUN0;
- a0 += run1;
- color = nextbit (inbuf) ? 0 : 1;
- break;
-
- case UNCOMP_INVALID:
- goto bad;
-
- case UNCOMP_EOF:
- return (0);
- }
- } while (mode < UNCOMP_EXIT);
- break;
-
- case MODE_ERROR_1:
- /* fall thru... */
- case MODE_ERROR:
- goto bad;
-
- default:
- return (0);
- }
-
- } while (a0 < pixels_per_line);
-
-bad:
- return (a0 >= pixels_per_line);
-}
-
-
-int
-LbxImageDecodeFaxG42D (unsigned char *inbuf,
- unsigned char *outbuf,
- int image_bytes,
- int pixels_per_line,
- int padded_bytes_per_scanline,
- int reverse_bits)
-
-{
- int bytes_per_scanline = ROUNDUP8 (pixels_per_line);
- unsigned char *refline, *refptr;
- unsigned char *outbuf_start = outbuf;
- int bytes_left = image_bytes;
- int i;
-
- refline = (unsigned char *) malloc (bytes_per_scanline + 1);
- refptr = refline + 1;
-
- for (i = 0; i < bytes_per_scanline + 1; i++)
- refline[i] = 0xff;
-
- bzero (outbuf, image_bytes);
-
- sp_bit = 0;
- sp_data = 0;
-
- while (bytes_left > 0)
- {
- if (!DecodeFaxG42D (&inbuf, refptr, pixels_per_line, outbuf))
- return (0);
-
- memcpy (refptr, outbuf, bytes_per_scanline);
-
- outbuf += padded_bytes_per_scanline;
- bytes_left -= padded_bytes_per_scanline;
- }
-
- free ((char *) refline);
-
- if (reverse_bits)
- LbxReverseBits (outbuf_start, image_bytes);
-
- return (outbuf - outbuf_start);
-}
diff --git a/nx-X11/lib/lbxutil/image/dpackbits.c b/nx-X11/lib/lbxutil/image/dpackbits.c
deleted file mode 100644
index f0f2058d0..000000000
--- a/nx-X11/lib/lbxutil/image/dpackbits.c
+++ /dev/null
@@ -1,100 +0,0 @@
-/* $Xorg: dpackbits.c,v 1.4 2000/08/17 19:46:40 cpqbld Exp $ */
-/*
- * Copyright (c) 1988, 1989, 1990, 1991, 1992 Sam Leffler
- * Copyright (c) 1991, 1992 Silicon Graphics, Inc.
- *
- * Permission to use, copy, modify, distribute, and sell this software and
- * its documentation for any purpose is hereby granted without fee, provided
- * that (i) the above copyright notices and this permission notice appear in
- * all copies of the software and related documentation, and (ii) the names of
- * Sam Leffler and Silicon Graphics may not be used in any advertising or
- * publicity relating to the software without the specific, prior written
- * permission of Sam Leffler and Silicon Graphics.
- *
- * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
- * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
- *
- * IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
- * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
- * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
- * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
- * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
- * OF THIS SOFTWARE.
- */
-/* $XFree86: xc/lib/lbxutil/image/dpackbits.c,v 1.3 2000/05/18 23:46:16 dawes Exp $ */
-
-#include <X11/Xos.h>
-#include <X11/Xfuncproto.h>
-#include <X11/extensions/lbximage.h>
-
-/*
- * -------------------------------------------------------------------------
- * PackBits decoding for 8 bit color images
- * -------------------------------------------------------------------------
- */
-
-static void
-DecodePackBits (char **inbuf,
- int numPixels,
- char *outbuf)
-
-{
- register char *inptr = *inbuf;
- register int n, b;
-
- while (numPixels > 0)
- {
- n = (int) *inptr++;
-
- /* Watch out for compilers that don't sign extend chars... */
-
- if (n >= 128)
- n -= 256;
-
- if (n < 0)
- {
- /* replicate next byte -n+1 times */
-
- if (n == -128) /* nop */
- continue;
-
- n = -n + 1;
- numPixels -= n;
- for (b = *inptr++; n-- > 0;)
- *outbuf++ = b;
- }
- else
- {
- /* copy next n+1 bytes literally */
-
- memcpy (outbuf, inptr, ++n);
- outbuf += n; numPixels -= n;
- inptr += n;
- }
- }
-
- *inbuf = inptr;
-}
-
-
-int
-LbxImageDecodePackBits (char *inbuf,
- char *outbuf,
- int num_scan_lines,
- int scan_line_size)
-
-{
- char *outbuf_start = outbuf;
- int padded_scan_line_size = (scan_line_size % 4) ?
- scan_line_size + (4 - scan_line_size % 4) : scan_line_size;
-
- while (num_scan_lines > 0)
- {
- DecodePackBits (&inbuf, scan_line_size, outbuf);
- outbuf += padded_scan_line_size;
- num_scan_lines--;
- }
-
- return (outbuf - outbuf_start);
-}
diff --git a/nx-X11/lib/lbxutil/image/efaxg42d.c b/nx-X11/lib/lbxutil/image/efaxg42d.c
deleted file mode 100644
index a89b5e0d2..000000000
--- a/nx-X11/lib/lbxutil/image/efaxg42d.c
+++ /dev/null
@@ -1,328 +0,0 @@
-/* $Xorg: efaxg42d.c,v 1.3 2000/08/17 19:46:41 cpqbld Exp $ */
-/*
- * Copyright (c) 1988, 1989, 1990, 1991, 1992 Sam Leffler
- * Copyright (c) 1991, 1992 Silicon Graphics, Inc.
- *
- * Permission to use, copy, modify, distribute, and sell this software and
- * its documentation for any purpose is hereby granted without fee, provided
- * that (i) the above copyright notices and this permission notice appear in
- * all copies of the software and related documentation, and (ii) the names of
- * Sam Leffler and Silicon Graphics may not be used in any advertising or
- * publicity relating to the software without the specific, prior written
- * permission of Sam Leffler and Silicon Graphics.
- *
- * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
- * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
- *
- * IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
- * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
- * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
- * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
- * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
- * OF THIS SOFTWARE.
- */
-/* $XFree86: xc/lib/lbxutil/image/efaxg42d.c,v 1.4 2001/01/17 19:43:35 dawes Exp $ */
-
-#include <X11/Xos.h>
-#include <X11/Xfuncproto.h>
-#include <stdlib.h>
-#include "lbxfax.h"
-#include <X11/extensions/lbximage.h>
-#include "lbxbwcodes.h"
-
-/*
- * -------------------------------------------------------------------------
- * FAX G42D encoding for 1 bit images
- * -------------------------------------------------------------------------
- */
-
-static short sp_data, sp_bit;
-
-static tableentry horizcode =
- { 3, 0x1 }; /* 001 */
-
-static tableentry passcode =
- { 4, 0x1 }; /* 0001 */
-
-static tableentry vcodes[7] = {
- { 7, 0x03 }, /* 0000 011 */
- { 6, 0x03 }, /* 0000 11 */
- { 3, 0x03 }, /* 011 */
- { 1, 0x1 }, /* 1 */
- { 3, 0x2 }, /* 010 */
- { 6, 0x02 }, /* 0000 10 */
- { 7, 0x02 } /* 0000 010 */
-};
-
-typedef struct {
- unsigned char *bufStart;
- unsigned char *bufPtr;
- int bufSize;
- int bytesLeft;
-} Buffer;
-
-
-
-/*
- * Flush bits to output buffer.
- */
-
-static int
-flushbits (Buffer *outbuf)
-
-{
- if (outbuf->bytesLeft > 0)
- {
- *(outbuf->bufPtr++) = sp_data;
- outbuf->bytesLeft--;
-
- sp_data = 0;
- sp_bit = 8;
-
- return (1);
- }
- else
- return (0);
-}
-
-
-/*
- * Write a variable-length bit-value to the output stream. Values are
- * assumed to be at most 16 bits.
- */
-
-static int
-putbits (unsigned int bits,
- unsigned int length,
- Buffer *outbuf)
-
-{
- static int mask[9] =
- {0x00, 0x01, 0x03, 0x07, 0x0f, 0x1f, 0x3f, 0x7f, 0xff};
-
- while (length > sp_bit)
- {
- sp_data |= bits >> (length - sp_bit);
- length -= sp_bit;
- if (!flushbits (outbuf))
- return (0);
- }
-
- sp_data |= (bits & mask[length]) << (sp_bit - length);
- sp_bit -= length;
-
- if (sp_bit == 0)
- {
- if (!flushbits (outbuf))
- return (0);
- }
-
- return (1);
-}
-
-
-/*
- * Write a code to the output stream.
- */
-
-static int
-putcode (tableentry *te,
- Buffer *outbuf)
-
-{
- return (putbits (te->code, te->length, outbuf));
-}
-
-
-/*
- * Write the sequence of codes that describes the specified span of
- * zero's or one's. The appropriate table that holds the make-up and
- * terminating codes is supplied.
- */
-
-static int
-putspan (int span,
- tableentry *tab,
- Buffer *outbuf)
-
-{
- while (span >= 2624)
- {
- tableentry *te = &tab[63 + (2560 >> 6)];
- if (!putcode (te, outbuf))
- return (0);
- span -= te->runlen;
- }
-
- if (span >= 64)
- {
- tableentry *te = &tab[63 + (span >> 6)];
- if (!putcode (te, outbuf))
- return (0);
- span -= te->runlen;
- }
-
- if (!putcode (&tab[span], outbuf))
- return (0);
-
- return (1);
-}
-
-
-
-#define PIXEL(buf,ix) ((((buf)[(ix)>>3]) >> (7-((ix)&7))) & 1)
-
-static int
-EncodeFaxG42D (unsigned char *inbuf,
- unsigned char *refline,
- int bits,
- Buffer *outbuf)
-
-{
- short white = 1;
- int a0 = 0;
- int a1 = (PIXEL (inbuf, 0) != white ?
- 0 : LbxImageFindDiff (inbuf, 0, bits, white));
- int b1 = (PIXEL (refline, 0) != white ?
- 0 : LbxImageFindDiff (refline, 0, bits, white));
- int a2, b2;
-
- for (;;)
- {
- b2 = LbxImageFindDiff (refline, b1, bits, PIXEL (refline, b1));
- if (b2 >= a1)
- {
- int d = b1 - a1;
- if (!(-3 <= d && d <= 3))
- {
- /* horizontal mode */
-
- a2 = LbxImageFindDiff (inbuf, a1, bits, PIXEL (inbuf, a1));
- if (!putcode (&horizcode, outbuf))
- return (0);
-
- if (a0 + a1 == 0 || PIXEL (inbuf, a0) == white)
- {
- if (!putspan(a1 - a0, TIFFFaxWhiteCodes, outbuf))
- return (0);
- if (!putspan(a2 - a1, TIFFFaxBlackCodes, outbuf))
- return (0);
- }
- else
- {
- if (!putspan (a1 - a0, TIFFFaxBlackCodes, outbuf))
- return (0);
- if (!putspan (a2 - a1, TIFFFaxWhiteCodes, outbuf))
- return (0);
- }
-
- a0 = a2;
- }
- else
- {
- /* vertical mode */
-
- if (!putcode (&vcodes[d+3], outbuf))
- return (0);
- a0 = a1;
- }
- }
- else
- {
- /* pass mode */
-
- if (!putcode (&passcode, outbuf))
- return (0);
- a0 = b2;
- }
-
- if (a0 >= bits)
- break;
-
- a1 = LbxImageFindDiff (inbuf, a0, bits, PIXEL (inbuf, a0));
- b1 = LbxImageFindDiff (refline, a0, bits, !PIXEL (inbuf, a0));
- b1 = LbxImageFindDiff (refline, b1, bits, PIXEL (inbuf, a0));
- }
-
- return (1);
-}
-
-
-int
-LbxImageEncodeFaxG42D (unsigned char *inbuf,
- unsigned char *outbuf,
- int outbufSize,
- int image_bytes,
- int pixels_per_line,
- int padded_bytes_per_scanline,
- int reverse_bits,
- int *bytesCompressed)
-
-{
- int bytes_per_scanline = ROUNDUP8 (pixels_per_line);
- unsigned char *refline, *refptr;
- unsigned char *save_inbuf = inbuf;
- int bytes_left = image_bytes;
- Buffer OutBuf;
- int status, i;
-
- OutBuf.bufStart = OutBuf.bufPtr = outbuf;
- OutBuf.bufSize = OutBuf.bytesLeft = outbufSize;
-
- if (!(refline = (unsigned char *) malloc (bytes_per_scanline + 1)))
- return (LBX_IMAGE_COMPRESS_BAD_MALLOC);
-
- refptr = refline + 1;
-
- for (i = 0; i < bytes_per_scanline + 1; i++)
- refline[i] = 0xff;
-
- if (reverse_bits)
- LbxReverseBits (inbuf, image_bytes);
-
- sp_bit = 8;
- sp_data = 0;
-
- while (bytes_left > 0)
- {
- if (!(status = EncodeFaxG42D (inbuf, refptr,
- pixels_per_line, &OutBuf)))
- {
- goto bad;
- }
-
- memcpy (refptr, inbuf, bytes_per_scanline);
-
- inbuf += padded_bytes_per_scanline;
- bytes_left -= padded_bytes_per_scanline;
- }
-
- status = putbits (EOL, 12, &OutBuf);
- if (status)
- status = putbits (EOL, 12, &OutBuf);
- if (status && sp_bit != 8)
- {
- status = flushbits (&OutBuf);
- }
-
- bad:
-
- free ((char *) refline);
-
- /* put the bits back the way they were */
- if (reverse_bits)
- LbxReverseBits (save_inbuf, image_bytes);
-
- if (status)
- {
- *bytesCompressed = OutBuf.bufPtr - OutBuf.bufStart;
-
- if (OutBuf.bytesLeft > 0)
- return (LBX_IMAGE_COMPRESS_SUCCESS);
- else
- return (LBX_IMAGE_COMPRESS_NOT_WORTH_IT);
- }
- else
- return (LBX_IMAGE_COMPRESS_NOT_WORTH_IT);
-}
diff --git a/nx-X11/lib/lbxutil/image/epackbits.c b/nx-X11/lib/lbxutil/image/epackbits.c
deleted file mode 100644
index 816fee57a..000000000
--- a/nx-X11/lib/lbxutil/image/epackbits.c
+++ /dev/null
@@ -1,202 +0,0 @@
-/* $Xorg: epackbits.c,v 1.4 2000/08/17 19:46:41 cpqbld Exp $ */
-/*
- * Copyright (c) 1988, 1989, 1990, 1991, 1992 Sam Leffler
- * Copyright (c) 1991, 1992 Silicon Graphics, Inc.
- *
- * Permission to use, copy, modify, distribute, and sell this software and
- * its documentation for any purpose is hereby granted without fee, provided
- * that (i) the above copyright notices and this permission notice appear in
- * all copies of the software and related documentation, and (ii) the names of
- * Sam Leffler and Silicon Graphics may not be used in any advertising or
- * publicity relating to the software without the specific, prior written
- * permission of Sam Leffler and Silicon Graphics.
- *
- * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
- * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
- *
- * IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
- * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
- * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
- * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
- * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
- * OF THIS SOFTWARE.
- */
-
-#include <X11/Xfuncproto.h>
-#include <X11/extensions/lbximage.h>
-
-/*
- * -------------------------------------------------------------------------
- * PackBits encoding for 8 bit color images
- * -------------------------------------------------------------------------
- */
-
-#define PutByte(byte,bufptr,bytesLeft) \
-{ \
- if (*bytesLeft < 1) {\
- *outbuf = outptr; \
- return (0); \
- } \
- *bufptr++ = byte; \
- (*bytesLeft)--; \
-}
-
-
-static int
-EncodePackBits (char *inbuf,
- int numPixels,
- char **outbuf,
- int *bytesLeft)
-
-{
- register int pixelsLeft = numPixels;
- register char *outptr = *outbuf;
- register char *lastliteral;
- register int n, b;
- enum { BASE, LITERAL, RUN, LITERAL_RUN } state;
-
- state = BASE;
- lastliteral = 0;
-
- while (pixelsLeft > 0)
- {
- /*
- * Find the longest string of identical bytes.
- */
-
- b = *inbuf++, pixelsLeft--, n = 1;
- for (; pixelsLeft > 0 && b == *inbuf; pixelsLeft--, inbuf++)
- n++;
-
- again:
-
- switch (state)
- {
- case BASE: /* initial state, set run/literal */
- if (n > 1)
- {
- state = RUN;
-
- if (n > 128)
- {
- PutByte (-127, outptr, bytesLeft);
- PutByte (b, outptr, bytesLeft);
- n -= 128;
- goto again;
- }
-
- PutByte (-(n-1), outptr, bytesLeft);
- PutByte (b, outptr, bytesLeft);
- }
- else
- {
- lastliteral = outptr;
- PutByte (0, outptr, bytesLeft);
- PutByte (b, outptr, bytesLeft);
- state = LITERAL;
- }
-
- break;
-
- case LITERAL: /* last object was literal string */
- if (n > 1)
- {
- state = LITERAL_RUN;
-
- if (n > 128)
- {
- PutByte (-127, outptr, bytesLeft);
- PutByte (b, outptr, bytesLeft);
- n -= 128;
- goto again;
- }
-
- PutByte (-(n-1), outptr, bytesLeft); /* encode run */
- PutByte (b, outptr, bytesLeft);
- }
- else
- { /* extend literal */
- if (++(*lastliteral) == 127)
- state = BASE;
- PutByte (b, outptr, bytesLeft);
- }
-
- break;
-
- case RUN: /* last object was run */
- if (n > 1)
- {
- if (n > 128)
- {
- PutByte (-127, outptr, bytesLeft);
- PutByte (b, outptr, bytesLeft);
- n -= 128;
- goto again;
- }
- PutByte (-(n-1), outptr, bytesLeft);
- PutByte (b, outptr, bytesLeft);
- }
- else
- {
- lastliteral = outptr;
- PutByte (0, outptr, bytesLeft);
- PutByte (b, outptr, bytesLeft);
- state = LITERAL;
- }
-
- break;
-
- case LITERAL_RUN: /* literal followed by a run */
- /*
- * Check to see if previous run should
- * be converted to a literal, in which
- * case we convert literal-run-literal
- * to a single literal.
- */
-
- if (n == 1 && outptr[-2] == (char)-1 && *lastliteral < 126)
- {
- state = (((*lastliteral) += 2) == 127 ? BASE : LITERAL);
- outptr[-2] = outptr[-1]; /* replicate */
- }
- else
- state = RUN;
- goto again;
- }
- }
-
- *outbuf = outptr;
-
- return (1);
-}
-
-
-int
-LbxImageEncodePackBits (char *inbuf,
- char *outbuf,
- int outbufSize,
- int format,
- int depth,
- int num_scan_lines,
- int scan_line_size,
- int *bytesCompressed)
-
-{
- char *outbuf_start = outbuf;
- int padded_scan_line_size = (scan_line_size % 4) ?
- scan_line_size + (4 - scan_line_size % 4) : scan_line_size;
- int bytesLeft = outbufSize;
-
- while (num_scan_lines > 0)
- {
- if (!EncodePackBits (inbuf, scan_line_size, &outbuf, &bytesLeft))
- return (LBX_IMAGE_COMPRESS_NOT_WORTH_IT);
-
- inbuf += padded_scan_line_size;
- num_scan_lines--;
- }
-
- *bytesCompressed = outbuf - outbuf_start;
- return (LBX_IMAGE_COMPRESS_SUCCESS);
-}
diff --git a/nx-X11/lib/lbxutil/image/lbxbwcodes.h b/nx-X11/lib/lbxutil/image/lbxbwcodes.h
deleted file mode 100644
index e26e2864c..000000000
--- a/nx-X11/lib/lbxutil/image/lbxbwcodes.h
+++ /dev/null
@@ -1,269 +0,0 @@
-/* $Xorg: lbxbwcodes.h,v 1.3 2000/08/17 19:46:41 cpqbld Exp $ */
-
-/*
- * Copyright (c) 1988, 1989, 1990, 1991, 1992 Sam Leffler
- * Copyright (c) 1991, 1992 Silicon Graphics, Inc.
- *
- * Permission to use, copy, modify, distribute, and sell this software and
- * its documentation for any purpose is hereby granted without fee, provided
- * that (i) the above copyright notices and this permission notice appear in
- * all copies of the software and related documentation, and (ii) the names of
- * Sam Leffler and Silicon Graphics may not be used in any advertising or
- * publicity relating to the software without the specific, prior written
- * permission of Sam Leffler and Silicon Graphics.
- *
- * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
- * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
- *
- * IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
- * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
- * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
- * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
- * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
- * OF THIS SOFTWARE.
- */
-/* $XFree86$ */
-
-/*
- * Note that these tables are ordered such that the
- * index into the table is known to be either the
- * run length, or (run length / 64) + a fixed offset.
- *
- * NB: The G3CODE_INVALID entries are only used
- * during state generation (see mkg3states.c).
- */
-
-#ifdef __DARWIN__
-#ifndef TIFFaxWhiteCodes
-#define TIFFFaxWhiteCodes Darwin_X_TIFFFaxWhiteCodes
-#endif
-#endif
-tableentry TIFFFaxWhiteCodes[] = {
- { 8, 0x35, 0 }, /* 0011 0101 */
- { 6, 0x7, 1 }, /* 0001 11 */
- { 4, 0x7, 2 }, /* 0111 */
- { 4, 0x8, 3 }, /* 1000 */
- { 4, 0xB, 4 }, /* 1011 */
- { 4, 0xC, 5 }, /* 1100 */
- { 4, 0xE, 6 }, /* 1110 */
- { 4, 0xF, 7 }, /* 1111 */
- { 5, 0x13, 8 }, /* 1001 1 */
- { 5, 0x14, 9 }, /* 1010 0 */
- { 5, 0x7, 10 }, /* 0011 1 */
- { 5, 0x8, 11 }, /* 0100 0 */
- { 6, 0x8, 12 }, /* 0010 00 */
- { 6, 0x3, 13 }, /* 0000 11 */
- { 6, 0x34, 14 }, /* 1101 00 */
- { 6, 0x35, 15 }, /* 1101 01 */
- { 6, 0x2A, 16 }, /* 1010 10 */
- { 6, 0x2B, 17 }, /* 1010 11 */
- { 7, 0x27, 18 }, /* 0100 111 */
- { 7, 0xC, 19 }, /* 0001 100 */
- { 7, 0x8, 20 }, /* 0001 000 */
- { 7, 0x17, 21 }, /* 0010 111 */
- { 7, 0x3, 22 }, /* 0000 011 */
- { 7, 0x4, 23 }, /* 0000 100 */
- { 7, 0x28, 24 }, /* 0101 000 */
- { 7, 0x2B, 25 }, /* 0101 011 */
- { 7, 0x13, 26 }, /* 0010 011 */
- { 7, 0x24, 27 }, /* 0100 100 */
- { 7, 0x18, 28 }, /* 0011 000 */
- { 8, 0x2, 29 }, /* 0000 0010 */
- { 8, 0x3, 30 }, /* 0000 0011 */
- { 8, 0x1A, 31 }, /* 0001 1010 */
- { 8, 0x1B, 32 }, /* 0001 1011 */
- { 8, 0x12, 33 }, /* 0001 0010 */
- { 8, 0x13, 34 }, /* 0001 0011 */
- { 8, 0x14, 35 }, /* 0001 0100 */
- { 8, 0x15, 36 }, /* 0001 0101 */
- { 8, 0x16, 37 }, /* 0001 0110 */
- { 8, 0x17, 38 }, /* 0001 0111 */
- { 8, 0x28, 39 }, /* 0010 1000 */
- { 8, 0x29, 40 }, /* 0010 1001 */
- { 8, 0x2A, 41 }, /* 0010 1010 */
- { 8, 0x2B, 42 }, /* 0010 1011 */
- { 8, 0x2C, 43 }, /* 0010 1100 */
- { 8, 0x2D, 44 }, /* 0010 1101 */
- { 8, 0x4, 45 }, /* 0000 0100 */
- { 8, 0x5, 46 }, /* 0000 0101 */
- { 8, 0xA, 47 }, /* 0000 1010 */
- { 8, 0xB, 48 }, /* 0000 1011 */
- { 8, 0x52, 49 }, /* 0101 0010 */
- { 8, 0x53, 50 }, /* 0101 0011 */
- { 8, 0x54, 51 }, /* 0101 0100 */
- { 8, 0x55, 52 }, /* 0101 0101 */
- { 8, 0x24, 53 }, /* 0010 0100 */
- { 8, 0x25, 54 }, /* 0010 0101 */
- { 8, 0x58, 55 }, /* 0101 1000 */
- { 8, 0x59, 56 }, /* 0101 1001 */
- { 8, 0x5A, 57 }, /* 0101 1010 */
- { 8, 0x5B, 58 }, /* 0101 1011 */
- { 8, 0x4A, 59 }, /* 0100 1010 */
- { 8, 0x4B, 60 }, /* 0100 1011 */
- { 8, 0x32, 61 }, /* 0011 0010 */
- { 8, 0x33, 62 }, /* 0011 0011 */
- { 8, 0x34, 63 }, /* 0011 0100 */
- { 5, 0x1B, 64 }, /* 1101 1 */
- { 5, 0x12, 128 }, /* 1001 0 */
- { 6, 0x17, 192 }, /* 0101 11 */
- { 7, 0x37, 256 }, /* 0110 111 */
- { 8, 0x36, 320 }, /* 0011 0110 */
- { 8, 0x37, 384 }, /* 0011 0111 */
- { 8, 0x64, 448 }, /* 0110 0100 */
- { 8, 0x65, 512 }, /* 0110 0101 */
- { 8, 0x68, 576 }, /* 0110 1000 */
- { 8, 0x67, 640 }, /* 0110 0111 */
- { 9, 0xCC, 704 }, /* 0110 0110 0 */
- { 9, 0xCD, 768 }, /* 0110 0110 1 */
- { 9, 0xD2, 832 }, /* 0110 1001 0 */
- { 9, 0xD3, 896 }, /* 0110 1001 1 */
- { 9, 0xD4, 960 }, /* 0110 1010 0 */
- { 9, 0xD5, 1024 }, /* 0110 1010 1 */
- { 9, 0xD6, 1088 }, /* 0110 1011 0 */
- { 9, 0xD7, 1152 }, /* 0110 1011 1 */
- { 9, 0xD8, 1216 }, /* 0110 1100 0 */
- { 9, 0xD9, 1280 }, /* 0110 1100 1 */
- { 9, 0xDA, 1344 }, /* 0110 1101 0 */
- { 9, 0xDB, 1408 }, /* 0110 1101 1 */
- { 9, 0x98, 1472 }, /* 0100 1100 0 */
- { 9, 0x99, 1536 }, /* 0100 1100 1 */
- { 9, 0x9A, 1600 }, /* 0100 1101 0 */
- { 6, 0x18, 1664 }, /* 0110 00 */
- { 9, 0x9B, 1728 }, /* 0100 1101 1 */
- { 11, 0x8, 1792 }, /* 0000 0001 000 */
- { 11, 0xC, 1856 }, /* 0000 0001 100 */
- { 11, 0xD, 1920 }, /* 0000 0001 101 */
- { 12, 0x12, 1984 }, /* 0000 0001 0010 */
- { 12, 0x13, 2048 }, /* 0000 0001 0011 */
- { 12, 0x14, 2112 }, /* 0000 0001 0100 */
- { 12, 0x15, 2176 }, /* 0000 0001 0101 */
- { 12, 0x16, 2240 }, /* 0000 0001 0110 */
- { 12, 0x17, 2304 }, /* 0000 0001 0111 */
- { 12, 0x1C, 2368 }, /* 0000 0001 1100 */
- { 12, 0x1D, 2432 }, /* 0000 0001 1101 */
- { 12, 0x1E, 2496 }, /* 0000 0001 1110 */
- { 12, 0x1F, 2560 }, /* 0000 0001 1111 */
- { 12, 0x1, G3CODE_EOL }, /* 0000 0000 0001 */
- { 9, 0x1, G3CODE_INVALID }, /* 0000 0000 1 */
- { 10, 0x1, G3CODE_INVALID }, /* 0000 0000 01 */
- { 11, 0x1, G3CODE_INVALID }, /* 0000 0000 001 */
- { 12, 0x0, G3CODE_INVALID }, /* 0000 0000 0000 */
-};
-
-#ifdef __DARWIN__
-#ifndef TIFFaxBlackCodes
-#define TIFFFaxBlackCodes Darwin_X_TIFFFaxBlackCodes
-#endif
-#endif
-tableentry TIFFFaxBlackCodes[] = {
- { 10, 0x37, 0 }, /* 0000 1101 11 */
- { 3, 0x2, 1 }, /* 010 */
- { 2, 0x3, 2 }, /* 11 */
- { 2, 0x2, 3 }, /* 10 */
- { 3, 0x3, 4 }, /* 011 */
- { 4, 0x3, 5 }, /* 0011 */
- { 4, 0x2, 6 }, /* 0010 */
- { 5, 0x3, 7 }, /* 0001 1 */
- { 6, 0x5, 8 }, /* 0001 01 */
- { 6, 0x4, 9 }, /* 0001 00 */
- { 7, 0x4, 10 }, /* 0000 100 */
- { 7, 0x5, 11 }, /* 0000 101 */
- { 7, 0x7, 12 }, /* 0000 111 */
- { 8, 0x4, 13 }, /* 0000 0100 */
- { 8, 0x7, 14 }, /* 0000 0111 */
- { 9, 0x18, 15 }, /* 0000 1100 0 */
- { 10, 0x17, 16 }, /* 0000 0101 11 */
- { 10, 0x18, 17 }, /* 0000 0110 00 */
- { 10, 0x8, 18 }, /* 0000 0010 00 */
- { 11, 0x67, 19 }, /* 0000 1100 111 */
- { 11, 0x68, 20 }, /* 0000 1101 000 */
- { 11, 0x6C, 21 }, /* 0000 1101 100 */
- { 11, 0x37, 22 }, /* 0000 0110 111 */
- { 11, 0x28, 23 }, /* 0000 0101 000 */
- { 11, 0x17, 24 }, /* 0000 0010 111 */
- { 11, 0x18, 25 }, /* 0000 0011 000 */
- { 12, 0xCA, 26 }, /* 0000 1100 1010 */
- { 12, 0xCB, 27 }, /* 0000 1100 1011 */
- { 12, 0xCC, 28 }, /* 0000 1100 1100 */
- { 12, 0xCD, 29 }, /* 0000 1100 1101 */
- { 12, 0x68, 30 }, /* 0000 0110 1000 */
- { 12, 0x69, 31 }, /* 0000 0110 1001 */
- { 12, 0x6A, 32 }, /* 0000 0110 1010 */
- { 12, 0x6B, 33 }, /* 0000 0110 1011 */
- { 12, 0xD2, 34 }, /* 0000 1101 0010 */
- { 12, 0xD3, 35 }, /* 0000 1101 0011 */
- { 12, 0xD4, 36 }, /* 0000 1101 0100 */
- { 12, 0xD5, 37 }, /* 0000 1101 0101 */
- { 12, 0xD6, 38 }, /* 0000 1101 0110 */
- { 12, 0xD7, 39 }, /* 0000 1101 0111 */
- { 12, 0x6C, 40 }, /* 0000 0110 1100 */
- { 12, 0x6D, 41 }, /* 0000 0110 1101 */
- { 12, 0xDA, 42 }, /* 0000 1101 1010 */
- { 12, 0xDB, 43 }, /* 0000 1101 1011 */
- { 12, 0x54, 44 }, /* 0000 0101 0100 */
- { 12, 0x55, 45 }, /* 0000 0101 0101 */
- { 12, 0x56, 46 }, /* 0000 0101 0110 */
- { 12, 0x57, 47 }, /* 0000 0101 0111 */
- { 12, 0x64, 48 }, /* 0000 0110 0100 */
- { 12, 0x65, 49 }, /* 0000 0110 0101 */
- { 12, 0x52, 50 }, /* 0000 0101 0010 */
- { 12, 0x53, 51 }, /* 0000 0101 0011 */
- { 12, 0x24, 52 }, /* 0000 0010 0100 */
- { 12, 0x37, 53 }, /* 0000 0011 0111 */
- { 12, 0x38, 54 }, /* 0000 0011 1000 */
- { 12, 0x27, 55 }, /* 0000 0010 0111 */
- { 12, 0x28, 56 }, /* 0000 0010 1000 */
- { 12, 0x58, 57 }, /* 0000 0101 1000 */
- { 12, 0x59, 58 }, /* 0000 0101 1001 */
- { 12, 0x2B, 59 }, /* 0000 0010 1011 */
- { 12, 0x2C, 60 }, /* 0000 0010 1100 */
- { 12, 0x5A, 61 }, /* 0000 0101 1010 */
- { 12, 0x66, 62 }, /* 0000 0110 0110 */
- { 12, 0x67, 63 }, /* 0000 0110 0111 */
- { 10, 0xF, 64 }, /* 0000 0011 11 */
- { 12, 0xC8, 128 }, /* 0000 1100 1000 */
- { 12, 0xC9, 192 }, /* 0000 1100 1001 */
- { 12, 0x5B, 256 }, /* 0000 0101 1011 */
- { 12, 0x33, 320 }, /* 0000 0011 0011 */
- { 12, 0x34, 384 }, /* 0000 0011 0100 */
- { 12, 0x35, 448 }, /* 0000 0011 0101 */
- { 13, 0x6C, 512 }, /* 0000 0011 0110 0 */
- { 13, 0x6D, 576 }, /* 0000 0011 0110 1 */
- { 13, 0x4A, 640 }, /* 0000 0010 0101 0 */
- { 13, 0x4B, 704 }, /* 0000 0010 0101 1 */
- { 13, 0x4C, 768 }, /* 0000 0010 0110 0 */
- { 13, 0x4D, 832 }, /* 0000 0010 0110 1 */
- { 13, 0x72, 896 }, /* 0000 0011 1001 0 */
- { 13, 0x73, 960 }, /* 0000 0011 1001 1 */
- { 13, 0x74, 1024 }, /* 0000 0011 1010 0 */
- { 13, 0x75, 1088 }, /* 0000 0011 1010 1 */
- { 13, 0x76, 1152 }, /* 0000 0011 1011 0 */
- { 13, 0x77, 1216 }, /* 0000 0011 1011 1 */
- { 13, 0x52, 1280 }, /* 0000 0010 1001 0 */
- { 13, 0x53, 1344 }, /* 0000 0010 1001 1 */
- { 13, 0x54, 1408 }, /* 0000 0010 1010 0 */
- { 13, 0x55, 1472 }, /* 0000 0010 1010 1 */
- { 13, 0x5A, 1536 }, /* 0000 0010 1101 0 */
- { 13, 0x5B, 1600 }, /* 0000 0010 1101 1 */
- { 13, 0x64, 1664 }, /* 0000 0011 0010 0 */
- { 13, 0x65, 1728 }, /* 0000 0011 0010 1 */
- { 11, 0x8, 1792 }, /* 0000 0001 000 */
- { 11, 0xC, 1856 }, /* 0000 0001 100 */
- { 11, 0xD, 1920 }, /* 0000 0001 101 */
- { 12, 0x12, 1984 }, /* 0000 0001 0010 */
- { 12, 0x13, 2048 }, /* 0000 0001 0011 */
- { 12, 0x14, 2112 }, /* 0000 0001 0100 */
- { 12, 0x15, 2176 }, /* 0000 0001 0101 */
- { 12, 0x16, 2240 }, /* 0000 0001 0110 */
- { 12, 0x17, 2304 }, /* 0000 0001 0111 */
- { 12, 0x1C, 2368 }, /* 0000 0001 1100 */
- { 12, 0x1D, 2432 }, /* 0000 0001 1101 */
- { 12, 0x1E, 2496 }, /* 0000 0001 1110 */
- { 12, 0x1F, 2560 }, /* 0000 0001 1111 */
- { 12, 0x1, G3CODE_EOL }, /* 0000 0000 0001 */
- { 9, 0x1, G3CODE_INVALID }, /* 0000 0000 1 */
- { 10, 0x1, G3CODE_INVALID }, /* 0000 0000 01 */
- { 11, 0x1, G3CODE_INVALID }, /* 0000 0000 001 */
- { 12, 0x0, G3CODE_INVALID }, /* 0000 0000 0000 */
-};
diff --git a/nx-X11/lib/lbxutil/image/lbxfax.h b/nx-X11/lib/lbxutil/image/lbxfax.h
deleted file mode 100644
index beac228b7..000000000
--- a/nx-X11/lib/lbxutil/image/lbxfax.h
+++ /dev/null
@@ -1,60 +0,0 @@
-/* $Xorg: lbxfax.h,v 1.3 2000/08/17 19:46:41 cpqbld Exp $ */
-/*
- * Copyright (c) 1988, 1989, 1990, 1991, 1992 Sam Leffler
- * Copyright (c) 1991, 1992 Silicon Graphics, Inc.
- *
- * Permission to use, copy, modify, distribute, and sell this software and
- * its documentation for any purpose is hereby granted without fee, provided
- * that (i) the above copyright notices and this permission notice appear in
- * all copies of the software and related documentation, and (ii) the names of
- * Sam Leffler and Silicon Graphics may not be used in any advertising or
- * publicity relating to the software without the specific, prior written
- * permission of Sam Leffler and Silicon Graphics.
- *
- * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
- * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
- *
- * IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
- * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
- * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
- * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
- * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
- * OF THIS SOFTWARE.
- */
-/* $XFree86$ */
-
-/*
- * This header file contains various constants and tables needed
- * for FAX G42D compression.
- */
-
-typedef struct tableentry {
- unsigned short length; /* bit length of g3 code */
- unsigned short code; /* g3 code */
- short runlen; /* run length in bits */
-} tableentry;
-
-#define EOL 0x001 /* EOL code value - 0000 0000 0000 1 */
-
-/* status values returned instead of a run length */
-
-#define G3CODE_INVALID -1
-#define G3CODE_INCOMP -2
-#define G3CODE_EOL -3
-#define G3CODE_EOF -4
-
-#define ROUNDUP8(x) ((x + 7) >> 3)
-
-#ifdef __DARWIN__
-#ifndef TIFFaxWhiteCodes
-#define TIFFFaxWhiteCodes Darwin_X_TIFFFaxWhiteCodes
-#define TIFFFaxBlackCodes Darwin_X_TIFFFaxBlackCodes
-#endif
-#endif
-extern tableentry TIFFFaxWhiteCodes[];
-extern tableentry TIFFFaxBlackCodes[];
-
-/* misc.c */
-extern int LbxImageFindDiff ( unsigned char *cp, int bs, int be, int color );
-extern void LbxReverseBits ( unsigned char *cp, int n );
diff --git a/nx-X11/lib/lbxutil/image/misc.c b/nx-X11/lib/lbxutil/image/misc.c
deleted file mode 100644
index fd228624e..000000000
--- a/nx-X11/lib/lbxutil/image/misc.c
+++ /dev/null
@@ -1,213 +0,0 @@
-/* $Xorg: misc.c,v 1.3 2000/08/17 19:46:41 cpqbld Exp $ */
-/*
- * Copyright (c) 1988, 1989, 1990, 1991, 1992 Sam Leffler
- * Copyright (c) 1991, 1992 Silicon Graphics, Inc.
- *
- * Permission to use, copy, modify, distribute, and sell this software and
- * its documentation for any purpose is hereby granted without fee, provided
- * that (i) the above copyright notices and this permission notice appear in
- * all copies of the software and related documentation, and (ii) the names of
- * Sam Leffler and Silicon Graphics may not be used in any advertising or
- * publicity relating to the software without the specific, prior written
- * permission of Sam Leffler and Silicon Graphics.
- *
- * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
- * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
- *
- * IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
- * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
- * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
- * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
- * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
- * OF THIS SOFTWARE.
- */
-
-/*
- * This module contains utilities for image compression used
- * by the LBX server and proxy.
- */
-
-#include "lbxfax.h"
-
-static unsigned char zeroruns[256] = {
- 8, 7, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, /* 0x00 - 0x0f */
- 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, /* 0x10 - 0x1f */
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, /* 0x20 - 0x2f */
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, /* 0x30 - 0x3f */
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* 0x40 - 0x4f */
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* 0x50 - 0x5f */
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* 0x60 - 0x6f */
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* 0x70 - 0x7f */
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x80 - 0x8f */
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x90 - 0x9f */
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0xa0 - 0xaf */
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0xb0 - 0xbf */
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0xc0 - 0xcf */
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0xd0 - 0xdf */
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0xe0 - 0xef */
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0xf0 - 0xff */
-};
-
-static unsigned char oneruns[256] = {
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x00 - 0x0f */
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x10 - 0x1f */
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x20 - 0x2f */
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x30 - 0x3f */
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x40 - 0x4f */
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x50 - 0x5f */
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x60 - 0x6f */
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x70 - 0x7f */
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* 0x80 - 0x8f */
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* 0x90 - 0x9f */
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* 0xa0 - 0xaf */
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* 0xb0 - 0xbf */
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, /* 0xc0 - 0xcf */
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, /* 0xd0 - 0xdf */
- 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, /* 0xe0 - 0xef */
- 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 6, 6, 7, 8, /* 0xf0 - 0xff */
-};
-
-
-static unsigned char BitRevTable[256] = {
- 0x00, 0x80, 0x40, 0xc0, 0x20, 0xa0, 0x60, 0xe0,
- 0x10, 0x90, 0x50, 0xd0, 0x30, 0xb0, 0x70, 0xf0,
- 0x08, 0x88, 0x48, 0xc8, 0x28, 0xa8, 0x68, 0xe8,
- 0x18, 0x98, 0x58, 0xd8, 0x38, 0xb8, 0x78, 0xf8,
- 0x04, 0x84, 0x44, 0xc4, 0x24, 0xa4, 0x64, 0xe4,
- 0x14, 0x94, 0x54, 0xd4, 0x34, 0xb4, 0x74, 0xf4,
- 0x0c, 0x8c, 0x4c, 0xcc, 0x2c, 0xac, 0x6c, 0xec,
- 0x1c, 0x9c, 0x5c, 0xdc, 0x3c, 0xbc, 0x7c, 0xfc,
- 0x02, 0x82, 0x42, 0xc2, 0x22, 0xa2, 0x62, 0xe2,
- 0x12, 0x92, 0x52, 0xd2, 0x32, 0xb2, 0x72, 0xf2,
- 0x0a, 0x8a, 0x4a, 0xca, 0x2a, 0xaa, 0x6a, 0xea,
- 0x1a, 0x9a, 0x5a, 0xda, 0x3a, 0xba, 0x7a, 0xfa,
- 0x06, 0x86, 0x46, 0xc6, 0x26, 0xa6, 0x66, 0xe6,
- 0x16, 0x96, 0x56, 0xd6, 0x36, 0xb6, 0x76, 0xf6,
- 0x0e, 0x8e, 0x4e, 0xce, 0x2e, 0xae, 0x6e, 0xee,
- 0x1e, 0x9e, 0x5e, 0xde, 0x3e, 0xbe, 0x7e, 0xfe,
- 0x01, 0x81, 0x41, 0xc1, 0x21, 0xa1, 0x61, 0xe1,
- 0x11, 0x91, 0x51, 0xd1, 0x31, 0xb1, 0x71, 0xf1,
- 0x09, 0x89, 0x49, 0xc9, 0x29, 0xa9, 0x69, 0xe9,
- 0x19, 0x99, 0x59, 0xd9, 0x39, 0xb9, 0x79, 0xf9,
- 0x05, 0x85, 0x45, 0xc5, 0x25, 0xa5, 0x65, 0xe5,
- 0x15, 0x95, 0x55, 0xd5, 0x35, 0xb5, 0x75, 0xf5,
- 0x0d, 0x8d, 0x4d, 0xcd, 0x2d, 0xad, 0x6d, 0xed,
- 0x1d, 0x9d, 0x5d, 0xdd, 0x3d, 0xbd, 0x7d, 0xfd,
- 0x03, 0x83, 0x43, 0xc3, 0x23, 0xa3, 0x63, 0xe3,
- 0x13, 0x93, 0x53, 0xd3, 0x33, 0xb3, 0x73, 0xf3,
- 0x0b, 0x8b, 0x4b, 0xcb, 0x2b, 0xab, 0x6b, 0xeb,
- 0x1b, 0x9b, 0x5b, 0xdb, 0x3b, 0xbb, 0x7b, 0xfb,
- 0x07, 0x87, 0x47, 0xc7, 0x27, 0xa7, 0x67, 0xe7,
- 0x17, 0x97, 0x57, 0xd7, 0x37, 0xb7, 0x77, 0xf7,
- 0x0f, 0x8f, 0x4f, 0xcf, 0x2f, 0xaf, 0x6f, 0xef,
- 0x1f, 0x9f, 0x5f, 0xdf, 0x3f, 0xbf, 0x7f, 0xff
-};
-
-
-/*
- * Find a span of ones or zeros using the supplied table. The byte-aligned
- * start of the bit string is supplied along with the start+end bit indices.
- * The table gives the number of consecutive ones or zeros starting from the
- * msb and is indexed by byte value.
- */
-
-static int
-findspan (unsigned char **bpp,
- int bs, int be,
- unsigned char *tab)
-
-{
- unsigned char *bp = *bpp;
- int bits = be - bs;
- int n, span;
-
- /*
- * Check partial byte on lhs.
- */
-
- if (bits > 0 && (n = (bs & 7)))
- {
- span = tab[(*bp << n) & 0xff];
-
- if (span > 8 - n) /* table value too generous */
- span = 8 - n;
- if (span > bits) /* constrain span to bit range */
- span = bits;
- if (n+span < 8) /* doesn't extend to edge of byte */
- goto done;
-
- bits -= span;
- bp++;
- }
- else
- span = 0;
-
- /*
- * Scan full bytes for all 1's or all 0's.
- */
-
- while (bits >= 8)
- {
- n = tab[*bp];
- span += n;
- bits -= n;
- if (n < 8) /* end of run */
- goto done;
- bp++;
- }
-
- /*
- * Check partial byte on rhs.
- */
-
- if (bits > 0)
- {
- n = tab[*bp];
- span += (n > bits ? bits : n);
- }
-
-done:
-
- *bpp = bp;
- return (span);
-}
-
-/*
- * Return the offset of the next bit in the range [bs..be] that is different
- * from the specified color. The end, be, is returned if no such bit exists.
- */
-
-int
-LbxImageFindDiff (unsigned char *cp,
- int bs, int be, int color)
-
-{
- cp += bs >> 3; /* adjust byte offset */
- return (bs + findspan (&cp, bs, be, color ? oneruns : zeroruns));
-}
-
-
-
-
-void
-LbxReverseBits (unsigned char *cp,
- int n)
-
-{
- for (; n > 8; n -= 8)
- {
- cp[0] = BitRevTable[cp[0]];
- cp[1] = BitRevTable[cp[1]];
- cp[2] = BitRevTable[cp[2]];
- cp[3] = BitRevTable[cp[3]];
- cp[4] = BitRevTable[cp[4]];
- cp[5] = BitRevTable[cp[5]];
- cp[6] = BitRevTable[cp[6]];
- cp[7] = BitRevTable[cp[7]];
- cp += 8;
- }
-
- while (n-- > 0)
- *cp = BitRevTable[*cp], cp++;
-}
diff --git a/nx-X11/lib/lbxutil/image/mkg3states.c b/nx-X11/lib/lbxutil/image/mkg3states.c
deleted file mode 100644
index 0e8fe3613..000000000
--- a/nx-X11/lib/lbxutil/image/mkg3states.c
+++ /dev/null
@@ -1,761 +0,0 @@
-/* $Xorg: mkg3states.c,v 1.3 2000/08/17 19:46:41 cpqbld Exp $ */
-/*
- * Copyright (c) 1991, 1992 Sam Leffler
- * Copyright (c) 1991, 1992 Silicon Graphics, Inc.
- *
- * Permission to use, copy, modify, distribute, and sell this software and
- * its documentation for any purpose is hereby granted without fee, provided
- * that (i) the above copyright notices and this permission notice appear in
- * all copies of the software and related documentation, and (ii) the names of
- * Sam Leffler and Silicon Graphics may not be used in any advertising or
- * publicity relating to the software without the specific, prior written
- * permission of Sam Leffler and Silicon Graphics.
- *
- * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
- * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
- *
- * IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
- * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
- * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
- * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
- * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
- * OF THIS SOFTWARE.
- */
-/* $XFree86: xc/lib/lbxutil/image/mkg3states.c,v 1.3 1999/02/01 11:55:49 dawes Exp $ */
-
-/*
- * Program to construct Group 3 & Group 4 decoding tables.
- *
- * This code is derived from code by Michael P. Marking. In
- * particular, the algorithms to generate the null_mode and
- * horiz_mode state tables are his. See the comments below
- * for more information.
- *
- * BEGIN (from the original source)
- LEGAL
- * Copyright 1989, 1990 Michael P. Marking, Post Office Box 8039,
- * Scottsdale, Arizona 85252-8039. All rights reserved.
- *
- * License is granted by the copyright holder to distribute and use this
- * code without payment of royalties or the necessity of notification as
- * long as this notice (all the text under "LEGAL") is included.
- *
- * This program is offered without any warranty of any kind. It includes
- * no warranty of merchantability or fitness for any purpose. Testing and
- * suitability for any use are the sole responsibility of the user.
- *
- INFORMATION
- * Although there is no support offered with this program, the author will
- * endeavor to correct errors. Updates will also be made available from
- * time to time.
- *
- * Contact: Michael P. Marking, Post Office Box 8039, Scottsdale, Arizona
- * 85252-8039 USA. Replies are not guaranteed to be swift. Beginning
- * July 1990, e-mail may be sent to uunet!ipel!marking.
- *
- * Also beginning in July 1990, this code will be archived at the
- * ipel!phoenix BBS in file g3g4.zoo. The 24-hour telephone number
- * for 300/1200/2400 is (602)274-0462. When logging in, specify user
- * "public", system "bbs", and password "public".
- *
- * This code is also available from the C Users Group in volume 317.
- *
- * END (from the original source)
- */
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-
-#ifndef TRUE
-#define TRUE 1
-#define FALSE 0
-#endif
-
-#define WHITE 0
-#define BLACK 1
-
-/*
- * G3 2D and G4 decoding modes. Note that
- * the vertical modes are ordered so that
- * (mode - MODE_VERT_V0) gives the vertical
- * adjustment for the b1 parameter.
- */
-#define MODE_NULL 0
-#define MODE_PASS 1
-#define MODE_HORIZ 2
-#define MODE_VERT_VL3 3
-#define MODE_VERT_VL2 4
-#define MODE_VERT_VL1 5
-#define MODE_VERT_V0 6
-#define MODE_VERT_VR1 7
-#define MODE_VERT_VR2 8
-#define MODE_VERT_VR3 9
-#define MODE_UNCOMP 10
-#define MODE_ERROR 11
-#define MODE_ERROR_1 12
-
-unsigned long append_0 ( unsigned long prefix );
-unsigned long append_1 ( unsigned long prefix );
-
-unsigned long append_0 (unsigned long prefix)
-{
- return (prefix + (1L<<16));
-}
-
-unsigned long append_1 (unsigned long prefix)
-{
- static unsigned short prefix_bit[16] = {
- 0x8000, 0x4000, 0x2000, 0x1000,
- 0x0800, 0x0400, 0x0200, 0x0100,
- 0x0080, 0x0040, 0x0020, 0x0010,
- 0x0008, 0x0004, 0x0002, 0x0001
- };
- unsigned char len = (prefix >> 16) & 0xf;
- return (append_0(prefix) + prefix_bit[len]);
-}
-
-#define G3CODES
-#include "lbxfax.h"
-#include "lbxbwcodes.h"
-
-short search_table ( unsigned long prefix, tableentry *tab, int n );
-short white_run_length ( unsigned long prefix );
-short black_run_length ( unsigned long prefix );
-short horiz_mode_code_black ( short runlen );
-short horiz_mode_code_white ( short runlen );
-void write_define ( FILE *fd, char *name, int value, char *comment );
-void write_preamble ( FILE *fd );
-void extern_table ( FILE *fd, char *name );
-void write_tables ( FILE *fd );
-short find_null_mode_prefix ( long prefix );
-short find_horiz_mode_prefix ( long prefix, int color );
-short find_uncomp_mode_prefix ( long prefix );
-short null_mode_type ( long prefix );
-short uncomp_mode_type ( long prefix );
-void build_null_mode_tables ( void );
-void build_horiz_mode_tables ( void );
-void build_uncomp_mode_tables ( void );
-
-short search_table (unsigned long prefix, tableentry *tab, int n)
-{
- unsigned short len = (prefix >> 16) & 0xf;
- unsigned short code = (prefix & 0xffff) >> (16 - len);
-
- while (n-- > 0) {
- if (tab->length == len && tab->code == code)
- return ((short) tab->runlen);
- tab++;
- }
- return (G3CODE_INCOMP);
-}
-
-#define NCODES(a) (sizeof (a) / sizeof (a[0]))
-short white_run_length (unsigned long prefix)
-{
- return (search_table(prefix, TIFFFaxWhiteCodes, NCODES(TIFFFaxWhiteCodes)));
-}
-
-short black_run_length (unsigned long prefix)
-{
- return (search_table(prefix, TIFFFaxBlackCodes, NCODES(TIFFFaxBlackCodes)));
-}
-#undef NCODES
-
-#define MAX_NULLPREFIX 200 /* max # of null-mode prefixes */
-typedef unsigned char NullModeTable[MAX_NULLPREFIX][256];
-#define MAX_HORIZPREFIX 250 /* max # of incomplete 1-D prefixes */
-typedef unsigned char HorizModeTable[MAX_HORIZPREFIX][256];
-
- /* the bit string corresponding to this row of the decoding table */
-long null_mode_prefix[MAX_NULLPREFIX];
-NullModeTable null_mode; /* MODE_*, indexed by bit and byte */
-NullModeTable null_mode_next_state; /* next row of decoding tables to use */
- /* number of prefixes or rows in the G4 decoding tables */
-short null_mode_prefix_count = 0;
-
-void write_null_mode_table ( FILE *fd, NullModeTable table, char *name );
-void write_horiz_mode_table ( FILE *fd, HorizModeTable table, char *name );
-
-/*
- * 2D uncompressed mode codes. Note
- * that two groups of codes are arranged
- * so that the decoder can caluclate the
- * length of the run by subtracting the
- * code from a known base value.
- */
-#define UNCOMP_INCOMP 0
-/* runs of [0]*1 */
-#define UNCOMP_RUN0 1
-#define UNCOMP_RUN1 2
-#define UNCOMP_RUN2 3
-#define UNCOMP_RUN3 4
-#define UNCOMP_RUN4 5
-#define UNCOMP_RUN5 6
-#define UNCOMP_RUN6 7
-/* runs of [0]* w/ terminating color */
-#define UNCOMP_TRUN0 8
-#define UNCOMP_TRUN1 9
-#define UNCOMP_TRUN2 10
-#define UNCOMP_TRUN3 11
-#define UNCOMP_TRUN4 12
-/* special code for unexpected EOF */
-#define UNCOMP_EOF 13
-/* invalid code encountered */
-#define UNCOMP_INVALID 14
-
-long uncomp_mode_prefix[MAX_NULLPREFIX];
-NullModeTable uncomp_mode;
-NullModeTable uncomp_mode_next_state;
-short uncomp_mode_prefix_count = 0;
-
-/*
- * Decoding action values for horiz_mode.
- */
-#define ACT_INCOMP 0 /* incompletely decoded code */
-#define ACT_INVALID 1 /* invalide code */
-#define ACT_WRUNT 2 /* terminating white run code */
-#define ACT_WRUN 65 /* non-terminating white run code */
-#define ACT_BRUNT 106 /* terminating black run code */
-#define ACT_BRUN 169 /* non-terminating black run code */
-#define ACT_EOL 210 /* end-of-line code */
-HorizModeTable horiz_mode;
-
-short horiz_mode_code_black (short runlen)
-{
- return (runlen < 64 ? runlen + ACT_BRUNT : (runlen / 64) + ACT_BRUN);
-}
-
-short horiz_mode_code_white (short runlen)
-{
- return (runlen < 64 ? runlen + ACT_WRUNT : (runlen / 64) + ACT_WRUN);
-}
-
-/*
- * If the corresponding horiz_mode entry is ACT_INCOMP
- * this entry is a row number for decoding the next byte;
- * otherwise, it is the bit number with which to continue
- * decoding the next codeword.
- */
-HorizModeTable horiz_mode_next_state;
- /* prefixes corresponding to the rows of the decoding table */
-long horiz_mode_prefix[MAX_HORIZPREFIX];
- /* color of next run, BLACK or WHITE */
-char horiz_mode_color[MAX_HORIZPREFIX];
-short horiz_mode_prefix_count = 0;
-
-static unsigned char bit_mask[8] =
- { 0x80, 0x40, 0x20, 0x10, 0x08, 0x04, 0x02, 0x01 };
-
-
-int verbose = FALSE;
-char *storage_class = "";
-
-int
-main (int argc, char *argv[])
-{
- while (argc > 1 && argv[1][0] == '-') {
- if (strcmp(argv[1], "-v") == 0) {
- verbose = TRUE;
- argc--, argv++;
- } else if (strcmp(argv[1], "-c") == 0) {
- storage_class = "const ";
- argc--, argv++;
- }
- }
- build_null_mode_tables(); /* null mode decoding tables */
- if (verbose) {
- fprintf(stderr, "%d null mode prefixes defined\n",
- (int) null_mode_prefix_count);
- fprintf(stderr, "building uncompressed mode scripts...\n");
- }
- build_uncomp_mode_tables(); /* uncompressed mode decoding tables */
- if (verbose) {
- fprintf(stderr, "%d uncompressed mode prefixes defined\n",
- (int) uncomp_mode_prefix_count);
- fprintf(stderr, "building 1D scripts...\n");
- }
- build_horiz_mode_tables(); /* 1D decoding tables */
- if (verbose)
- fprintf(stderr, "%d incomplete prefixes defined\n",
- (int) horiz_mode_prefix_count);
- write_tables(stdout);
- exit(0);
-}
-
-void write_null_mode_table (fd, table, name)
-FILE *fd;
-NullModeTable table;
-char *name;
-{
- int i, j;
- char* outersep;
- char* sep;
-
- fprintf(fd, "%sunsigned char\t%s[%d][256] = {", storage_class,
- name, (int) null_mode_prefix_count);
- outersep = "";
- for (i = 0; i < null_mode_prefix_count; i++) {
- fprintf(fd, "%s\n/* prefix %d */ {\n", outersep, i);
- sep = " ";
- for (j = 0; j < 256; j++) {
- fprintf(fd, "%s%2d", sep, (int) table[i][j]);
- if (((j+1) % 16) == 0) {
- fprintf(fd, ", /* %3d-%3d */\n", j-15, j);
- sep = " ";
- } else
- sep = ",";
- }
- fprintf(fd, "}");
- outersep = ",";
- }
- fprintf(fd, "\n};\n");
-}
-
-void
-write_horiz_mode_table (FILE *fd, HorizModeTable table, char *name)
-{
- int i, j;
- char* outersep;
- char* sep;
-
- fprintf(fd, "%s unsigned char\t%s[%d][256] = {", storage_class,
- name, (int) horiz_mode_prefix_count);
- outersep = "";
- for (i = 0; i < horiz_mode_prefix_count; i++) {
- fprintf(fd, "%s\n/* prefix %d */ {\n", outersep, i);
- sep = " ";
- for (j = 0; j < 256; j++) {
- fprintf(fd, "%s%3d", sep, (int) table[i][j]);
- if (((j+1) % 14) == 0) {
- fprintf(fd, ", /* %3d-%3d */\n", j-13, j);
- sep = " ";
- } else
- sep = ",";
- }
- fprintf(fd, "\n}");
- outersep = ",";
- }
- fprintf(fd, "\n};\n");
-}
-
-void
-write_define(FILE *fd, char *name, int value, char *comment)
-{
- fprintf(fd, "#define\t%s\t%d", name, value);
- if (comment)
- fprintf(fd, "\t/* %s */", comment);
- fprintf(fd, "\n");
-}
-
-void
-write_preamble(FILE *fd)
-{
- fprintf(fd, "%s\n",
-"/* DO NOT EDIT THIS FILE, IT WAS AUTOMATICALLY CREATED BY mkg3state */");
- write_define(fd, "ACT_INCOMP", ACT_INCOMP, "incompletely decoded code");
- write_define(fd, "ACT_INVALID", ACT_INVALID, "invalide code");
- write_define(fd, "ACT_WRUNT", ACT_WRUNT, "terminating white run code");
- write_define(fd, "ACT_WRUN", ACT_WRUN, "non-terminating white run code");
- write_define(fd, "ACT_BRUNT", ACT_BRUNT, "terminating black run code");
- write_define(fd, "ACT_BRUN", ACT_BRUN, "non-terminating black run code");
- write_define(fd, "ACT_EOL", ACT_EOL, "end-of-line code");
- fprintf(fd, "\n");
- fprintf(fd, "/* modes that the decoder can be in */\n");
- write_define(fd, "MODE_NULL", MODE_NULL, NULL);
- write_define(fd, "MODE_PASS", MODE_PASS, NULL);
- write_define(fd, "MODE_HORIZ", MODE_HORIZ, NULL);
- write_define(fd, "MODE_VERT_V0", MODE_VERT_V0, NULL);
- write_define(fd, "MODE_VERT_VR1", MODE_VERT_VR1, NULL);
- write_define(fd, "MODE_VERT_VR2", MODE_VERT_VR2, NULL);
- write_define(fd, "MODE_VERT_VR3", MODE_VERT_VR3, NULL);
- write_define(fd, "MODE_VERT_VL1", MODE_VERT_VL1, NULL);
- write_define(fd, "MODE_VERT_VL2", MODE_VERT_VL2, NULL);
- write_define(fd, "MODE_VERT_VL3", MODE_VERT_VL3, NULL);
- write_define(fd, "MODE_UNCOMP", MODE_UNCOMP, NULL);
- write_define(fd, "MODE_ERROR", MODE_ERROR, NULL);
- write_define(fd, "MODE_ERROR_1", MODE_ERROR_1, NULL);
- fprintf(fd, "\n");
- fprintf(fd, "#define\tRUNLENGTH(ix) (TIFFFaxWhiteCodes[ix].runlen)\n");
- fprintf(fd, "\n");
- write_define(fd, "UNCOMP_INCOMP", UNCOMP_INCOMP, NULL);
- fprintf(fd, "/* runs of [0]*1 */\n");
- write_define(fd, "UNCOMP_RUN0", UNCOMP_RUN0, NULL);
- write_define(fd, "UNCOMP_RUN1", UNCOMP_RUN1, NULL);
- write_define(fd, "UNCOMP_RUN2", UNCOMP_RUN2, NULL);
- write_define(fd, "UNCOMP_RUN3", UNCOMP_RUN3, NULL);
- write_define(fd, "UNCOMP_RUN4", UNCOMP_RUN4, NULL);
- write_define(fd, "UNCOMP_RUN5", UNCOMP_RUN5, NULL);
- write_define(fd, "UNCOMP_RUN6", UNCOMP_RUN6, NULL);
- fprintf(fd, "/* runs of [0]* w/ terminating color */\n");
- write_define(fd, "UNCOMP_TRUN0", UNCOMP_TRUN0, NULL);
- write_define(fd, "UNCOMP_TRUN1", UNCOMP_TRUN1, NULL);
- write_define(fd, "UNCOMP_TRUN2", UNCOMP_TRUN2, NULL);
- write_define(fd, "UNCOMP_TRUN3", UNCOMP_TRUN3, NULL);
- write_define(fd, "UNCOMP_TRUN4", UNCOMP_TRUN4, NULL);
- fprintf(fd, "/* special code for unexpected EOF */\n");
- write_define(fd, "UNCOMP_EOF", UNCOMP_EOF, NULL);
- fprintf(fd, "/* invalid code encountered */\n");
- write_define(fd, "UNCOMP_INVALID", UNCOMP_INVALID, NULL);
- fprintf(fd, "/* codes >= terminate uncompress mode */\n");
- fprintf(fd, "#define\tUNCOMP_EXIT UNCOMP_TRUN0\n");
- fprintf(fd, "\n");
-}
-
-void
-extern_table(FILE *fd, char *name)
-{
- fprintf(fd, "extern\t%sunsigned char %s[][256];\n", storage_class, name);
-}
-
-void
-write_tables(FILE *fd)
-{
- write_preamble(fd);
- write_null_mode_table(fd, null_mode, "TIFFFax2DMode");
- write_null_mode_table(fd, null_mode_next_state, "TIFFFax2DNextState");
- write_null_mode_table(fd, uncomp_mode, "TIFFFaxUncompAction");
- write_null_mode_table(fd, uncomp_mode_next_state, "TIFFFaxUncompNextState");
- write_horiz_mode_table(fd, horiz_mode, "TIFFFax1DAction");
- write_horiz_mode_table(fd, horiz_mode_next_state, "TIFFFax1DNextState");
-}
-
-short
-find_null_mode_prefix (long prefix)
-{
- short j1;
-
- if (prefix == 0L)
- return (0);
- for (j1 = 8; j1 < null_mode_prefix_count; j1++)
- if (prefix == null_mode_prefix[j1])
- return (j1);
- if (null_mode_prefix_count == MAX_NULLPREFIX) {
- fprintf(stderr, "ERROR: null mode prefix table overflow\n");
- exit(1);
- }
- if (verbose)
- fprintf(stderr, "adding null mode prefix[%d] 0x%lx\n",
- (int) null_mode_prefix_count, prefix);
- null_mode_prefix[null_mode_prefix_count++] = prefix;
- return (null_mode_prefix_count-1);
-}
-
-short
-find_horiz_mode_prefix (long prefix, int color)
-{
- short j1;
-
- for (j1 = 0; j1 < horiz_mode_prefix_count; j1++)
- if (prefix == horiz_mode_prefix[j1] && horiz_mode_color[j1] == color)
- return (j1);
- /*
- * It wasn't found, so add it to the tables, but first, is there room?
- */
- if (horiz_mode_prefix_count == MAX_HORIZPREFIX) {
- fprintf(stderr, "ERROR: 1D prefix table overflow\n");
- exit(1);
- }
- /* OK, there's room... */
- if (verbose)
- fprintf(stderr, "\nhoriz mode prefix %d, color %c = 0x%lx ",
- (int) horiz_mode_prefix_count, "WB"[color], prefix);
- horiz_mode_prefix[horiz_mode_prefix_count] = prefix;
- horiz_mode_color[horiz_mode_prefix_count] = color;
- horiz_mode_prefix_count++;
- return (horiz_mode_prefix_count - 1);
-}
-
-short
-find_uncomp_mode_prefix (long prefix)
-{
- short j1;
-
- if (prefix == 0L)
- return (0);
- for (j1 = 8; j1 < uncomp_mode_prefix_count; j1++)
- if (prefix == uncomp_mode_prefix[j1])
- return (j1);
- if (uncomp_mode_prefix_count == MAX_NULLPREFIX) {
- fprintf(stderr, "ERROR: uncomp mode prefix table overflow\n");
- exit(1);
- }
- if (verbose)
- fprintf(stderr, "adding uncomp mode prefix[%d] 0x%lx\n",
- (int) uncomp_mode_prefix_count, prefix);
- uncomp_mode_prefix[uncomp_mode_prefix_count++] = prefix;
- return (uncomp_mode_prefix_count-1);
-}
-
-short
-null_mode_type (long prefix)
-{
- switch (prefix) {
- case 0x18000L: return (MODE_VERT_V0); /* 1 */
- case 0x36000L: return (MODE_VERT_VR1); /* 011 */
- case 0x34000L: return (MODE_VERT_VL1); /* 010 */
- case 0x32000L: return (MODE_HORIZ); /* 001 */
- case 0x41000L: return (MODE_PASS); /* 0001 */
- case 0x60C00L: return (MODE_VERT_VR2); /* 0000 11 */
- case 0x60800L: return (MODE_VERT_VL2); /* 0000 10 */
- case 0x70600L: return (MODE_VERT_VR3); /* 0000 011 */
- case 0x70400L: return (MODE_VERT_VL3); /* 0000 010 */
- case 0x80200L: return (MODE_ERROR); /* 0000 0010 */
- case 0x90300L: return (MODE_ERROR); /* 0000 0011 0 */
- case 0xA0380L: return (MODE_ERROR); /* 0000 0011 10 */
- case 0xA03C0L: return (MODE_UNCOMP); /* 0000 0011 11 */
- /*
- * Under the assumption that there are no
- * errors in the file, then this bit string
- * can only be the beginning of an EOL code.
- */
- case 0x70000L: return (MODE_ERROR_1); /* 0000 000 */
- }
- return (-1);
-}
-
-short
-uncomp_mode_type (long prefix)
-{
- short code;
- short len;
- switch (prefix) {
- case 0x18000L: return (UNCOMP_RUN1); /* 1 */
- case 0x24000L: return (UNCOMP_RUN2); /* 01 */
- case 0x32000L: return (UNCOMP_RUN3); /* 001 */
- case 0x41000L: return (UNCOMP_RUN4); /* 0001 */
- case 0x50800L: return (UNCOMP_RUN5); /* 0000 1 */
- case 0x60400L: return (UNCOMP_RUN6); /* 0000 01 */
- case 0x70200L: return (UNCOMP_TRUN0); /* 0000 001 */
- case 0x80100L: return (UNCOMP_TRUN1); /* 0000 0001 */
- case 0x90080L: return (UNCOMP_TRUN2); /* 0000 0000 1 */
- case 0xA0040L: return (UNCOMP_TRUN3); /* 0000 0000 01 */
- case 0xB0020L: return (UNCOMP_TRUN4); /* 0000 0000 001 */
- }
- code = prefix & 0xffffL;
- len = (prefix >> 16) & 0xf;
- return ((code || len > 10) ? UNCOMP_INVALID : -1);
-}
-
-#define BASESTATE(b) ((unsigned char) ((b) & 0x7))
-
-void
-build_null_mode_tables(void)
-{
- short prefix;
-
- /*
- * Note: the first eight entries correspond to
- * a null prefix and starting bit numbers 0-7.
- */
- null_mode_prefix_count = 8;
- for (prefix = 0; prefix < null_mode_prefix_count; prefix++) {
- short byte;
- for (byte = 0; byte < 256; byte++) {
- short firstbit;
- short bit;
- long curprefix;
- char found_code = FALSE;
-
- if (prefix < 8) {
- curprefix = 0L;
- firstbit = prefix;
- } else {
- curprefix = null_mode_prefix[prefix];
- firstbit = 0;
- }
- for (bit = firstbit; bit < 8 && !found_code; bit++) {
- short mode;
-
- if (bit_mask[bit] & byte)
- curprefix = append_1(curprefix);
- else
- curprefix = append_0(curprefix);
- switch (mode = null_mode_type(curprefix)) {
- case MODE_PASS:
- case MODE_HORIZ:
- case MODE_VERT_V0:
- case MODE_VERT_VR1:
- case MODE_VERT_VR2:
- case MODE_VERT_VR3:
- case MODE_VERT_VL1:
- case MODE_VERT_VL2:
- case MODE_VERT_VL3:
- case MODE_UNCOMP:
- case MODE_ERROR:
- case MODE_ERROR_1:
- /*
- * NOTE: if the bit number is 8, then the table
- * entry will be zero, which indicates a new byte
- * is to be fetched during the decoding process
- */
- found_code = TRUE;
- null_mode[prefix][byte] = (unsigned char) mode;
- null_mode_next_state[prefix][byte] = BASESTATE(bit+1);
- break;
- }
- }
- if (!found_code) {
- null_mode_next_state[prefix][byte] = (unsigned char)
- find_null_mode_prefix(curprefix);
- /*
- * This indicates to the decoder that
- * no valid code has yet been identified.
- */
- null_mode[prefix][byte] = MODE_NULL;
- }
- }
- }
-}
-
-void
-build_horiz_mode_tables(void)
-{
- unsigned short byte;
- short prefix;
-
- /*
- * The first 8 are for white,
- * the second 8 are for black,
- * beginning with bits 0-7.
- */
- horiz_mode_prefix_count = 16;
- for (prefix = 0; prefix < horiz_mode_prefix_count; prefix++)
- for (byte = 0; byte < 256; byte++) {
- short bits_digested = 0;
- short bit;
- short firstbit;
- char color;
- unsigned long curprefix;
-
- if (prefix < 8) {
- color = WHITE;
- curprefix = 0L;
- firstbit = prefix;
- } else if (prefix < 16) {
- color = BLACK;
- curprefix = 0L;
- firstbit = prefix - 8;
- } else {
- color = horiz_mode_color[prefix];
- curprefix = horiz_mode_prefix[prefix];
- firstbit = 0;
- }
- for (bit = firstbit; bit < 8 && !bits_digested; bit++) {
- if (bit_mask[bit] & byte)
- curprefix = append_1(curprefix);
- else
- curprefix = append_0(curprefix);
- /*
- * The following conversion allows for arbitrary strings of
- * zeroes to precede the end-of-line code 0000 0000 0001.
- * It assumes no errors in the data, and is based on
- * the assumption that the code replaced (12 consecutive
- * zeroes) can only be "legally" encountered before the
- * end-of-line code. This assumption is valid only for
- * a Group 3 image; the combination will never occur
- * in horizontal mode in a proper Group 4 image.
- */
- if (curprefix == 0xC0000L)
- curprefix = 0xB0000L;
- if (color == WHITE) {
- short runlength = white_run_length(curprefix);
-
- if (runlength == G3CODE_INVALID) {
- horiz_mode[prefix][byte] = (unsigned char) ACT_INVALID;
- horiz_mode_next_state[prefix][byte] = (unsigned char) bit;
- bits_digested = bit + 1;
- } else if (runlength == G3CODE_EOL) { /* Group 3 only */
- horiz_mode[prefix][byte] = (unsigned char) ACT_EOL;
- horiz_mode_next_state[prefix][byte] = BASESTATE(bit+1);
- bits_digested = bit + 1;
- } else if (runlength != G3CODE_INCOMP) {
- horiz_mode[prefix][byte] = (unsigned char)
- horiz_mode_code_white(runlength);
- horiz_mode_next_state[prefix][byte] = BASESTATE(bit+1);
- bits_digested = bit + 1;
- }
- } else { /* color == BLACK */
- short runlength = black_run_length(curprefix);
-
- if (runlength == G3CODE_INVALID) {
- horiz_mode[prefix][byte] = (unsigned char) ACT_INVALID;
- horiz_mode_next_state[prefix][byte] = (unsigned char) (bit+8);
- bits_digested = bit + 1;
- } else if (runlength == G3CODE_EOL) { /* Group 3 only */
- horiz_mode[prefix][byte] = (unsigned char) ACT_EOL;
- horiz_mode_next_state[prefix][byte] = BASESTATE(bit+1);
- bits_digested = bit + 1;
- } else if (runlength != G3CODE_INCOMP) {
- horiz_mode[prefix][byte] = (unsigned char)
- horiz_mode_code_black(runlength);
- horiz_mode_next_state[prefix][byte] = BASESTATE(bit+1);
- bits_digested = bit + 1;
- }
- }
- }
- if (!bits_digested) { /* no codewords after examining byte */
- horiz_mode[prefix][byte] = (unsigned char) ACT_INCOMP;
- horiz_mode_next_state[prefix][byte] = (unsigned char)
- find_horiz_mode_prefix(curprefix, color);
- }
- }
-}
-
-void
-build_uncomp_mode_tables(void)
-{
- short prefix;
-
- /*
- * Note: the first eight entries correspond to
- * a null prefix and starting bit numbers 0-7.
- */
- uncomp_mode_prefix_count = 8;
- for (prefix = 0; prefix < uncomp_mode_prefix_count; prefix++) {
- short byte;
- for (byte = 0; byte < 256; byte++) {
- short firstbit;
- short bit;
- long curprefix;
- char found_code = FALSE;
-
- if (prefix < 8) {
- curprefix = 0L;
- firstbit = prefix;
- } else {
- curprefix = uncomp_mode_prefix[prefix];
- firstbit = 0;
- }
- for (bit = firstbit; bit < 8 && !found_code; bit++) {
- short mode;
-
- if (bit_mask[bit] & byte)
- curprefix = append_1(curprefix);
- else
- curprefix = append_0(curprefix);
- mode = uncomp_mode_type(curprefix);
- if (mode != -1) {
- /*
- * NOTE: if the bit number is 8, then the table
- * entry will be zero, which indicates a new byte
- * is to be fetched during the decoding process
- */
- found_code = TRUE;
- uncomp_mode[prefix][byte] = (unsigned char) mode;
- uncomp_mode_next_state[prefix][byte] = BASESTATE(bit+1);
- break;
- }
- }
- if (!found_code) {
- uncomp_mode_next_state[prefix][byte] = (unsigned char)
- find_uncomp_mode_prefix(curprefix);
- /*
- * This indicates to the decoder that
- * no valid code has yet been identified.
- */
- uncomp_mode[prefix][byte] = UNCOMP_INCOMP;
- }
- }
- }
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-07 18:29:26 +0000