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foo2xqx.c
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foo2xqx.c
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/*
GENERAL
This program converts pbm (B/W) images and 1-bit-per-pixel cmyk images
(both produced by ghostscript) to Zenographics ZJ-stream format. There
is some information about the ZJS format at http://ddk.zeno.com.
With this utility, you can print to some HP printers, such as these:
- HP LaserJet P1005/P1006/P1007/P1008 B/W
- HP LaserJet P1505 B/W
- HP LaserJet P2014 B/W
- HP LaserJet M1005 MFP B/W
- HP LaserJet M1120 MFP B/W
- HP LaserJet Pro M1132s MFP B/W
- HP LaserJet Pro M1212nf MFP B/W
AUTHORS
This program began life as Robert Szalai's 'pbmtozjs' program. It
also uses Markus Kuhn's jbig-kit compression library (included, but
also available at http://www.cl.cam.ac.uk/~mgk25/jbigkit/).
The program was overhauled by Rick Richardson to limit data chunk size
to 65536 bytes, add command line options, add color support,
and other miscellaneous features.
You can contact the current author at mailto:rick.richardson@comcast.net
LICENSE
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or (at
your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
If you want to use this program under different license conditions,
then contact the author for an arrangement.
It is possible that certain products which can be built using the jbig
software module might form inventions protected by patent rights in
some countries (e.g., by patents about arithmetic coding algorithms
owned by IBM and AT&T in the USA). Provision of this software by the
author does NOT include any licenses for any patents. In those
countries where a patent license is required for certain applications
of this software module, you will have to obtain such a license
yourself.
*/
static char Version[] = "$Id: foo2xqx.c,v 1.28 2019/02/24 02:17:25 rick Exp $";
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <string.h>
#include <unistd.h>
#include <stdarg.h>
#include <time.h>
#include "jbig.h"
#include "xqx.h"
/*
* Command line options
*/
int Debug = 0;
int ResX = 600;
int ResY = 600;
int Bpp = 1;
int PaperCode = DMPAPER_LETTER;
int PageWidth = 1200 * 8.5;
int PageHeight = 600 * 11;
int UpperLeftX = 0;
int UpperLeftY = 0;
int LowerRightX = 0;
int LowerRightY = 0;
int Copies = 1;
int Duplex = DMDUPLEX_OFF;
int SourceCode = DMBIN_AUTO;
int MediaCode = DMMEDIA_PLAIN;
char *Username = NULL;
char *Filename = NULL;
int Mode = 0;
#define MODE_MONO 1
#define MODE_COLOR 2
int Color2Mono = 0;
int BlackClears = 0;
int AllIsBlack = 0;
int OutputStartPlane = 1;
int ExtraPad = 16;
int LogicalOffsetX = 0;
int LogicalOffsetY = 0;
#define LOGICAL_CLIP_X 2
#define LOGICAL_CLIP_Y 1
int LogicalClip = LOGICAL_CLIP_X | LOGICAL_CLIP_Y;
int SaveToner = 0;
int PageNum = 0;
int RealWidth;
int EconoMode = 0;
int PrintDensity = 3;
int IsCUPS = 0;
FILE *EvenPages = NULL;
typedef struct
{
off_t b, e, pause;
} SEEKREC;
SEEKREC SeekRec[2000];
int SeekIndex = 0;
int DuplexPause = 0;
long JbgOptions[5] =
{
/* Order */
JBG_ILEAVE | JBG_SMID,
/* Options */
JBG_DELAY_AT | JBG_LRLTWO | JBG_TPDON | JBG_TPBON | JBG_DPON,
/* L0 */
128,
/* MX */
16,
/* MY */
0
};
void
usage(void)
{
fprintf(stderr,
"Usage:\n"
" foo2xqx [options] <pbmraw-file >xqx-file\n"
"\n"
" Convert Ghostscript pbmraw format to a monochrome ZJS stream,\n"
" for driving the HP LaserJet M1005 MFP laser printer.\n"
"\n"
" gs -q -dBATCH -dSAFER -dQUIET -dNOPAUSE \\ \n"
" -sPAPERSIZE=letter -r1200x600 -sDEVICE=pbmraw \\ \n"
" -sOutputFile=- - < testpage.ps \\ \n"
" | foo2xqx -r1200x600 -g10200x6600 -p1 >testpage.zm\n"
"\n"
" foo2xqx [options] <bitcmyk-file >xqx-file\n"
" foo2xqx [options] <pksmraw-file >xqx-file\n"
"\n"
" Convert Ghostscript bitcmyk or pksmraw format to a color ZJS stream,\n"
" for driving the HP LaserJet M1005 MFP color laser printer\n"
" N.B. Color correction is expected to be performed by ghostscript.\n"
"\n"
" gs -q -dBATCH -dSAFER -dQUIET -dNOPAUSE \\ \n"
" -sPAPERSIZE=letter -g10200x6600 -r1200x600 -sDEVICE=bitcmyk \\ \n"
" -sOutputFile=- - < testpage.ps \\ \n"
" | foo2xqx -r1200x600 -g10200x6600 -p1 >testpage.zc\n"
"\n"
"Normal Options:\n"
"-c Force color mode if autodetect doesn't work\n"
"-d duplex Duplex code to send to printer [%d]\n"
" 1=off, 2=longedge, 3=shortedge\n"
"-g <xpix>x<ypix> Set page dimensions in pixels [%dx%d]\n"
"-m media Media code to send to printer [%d]\n"
" 1=standard 2=transparency 3=glossy 257=envelope\n"
" 259=letterhead 261=thickstock 262=postcard 263=labels\n"
"-p paper Paper code to send to printer [%d]\n"
" 1=letter, 5=legal 7=executive 9=A4 11=A5 13=B5\n"
" 20=env#10, 27=envDL 28=envC5 34=envB5 37=envMonarch\n"
" 257=16k197x273, 263=16k184x260, 264=16k195x270\n"
"-n copies Number of copies [%d]\n"
"-r <xres>x<yres> Set device resolution in pixels/inch [%dx%d]\n"
"-s source Source code to send to printer [%d]\n"
" 1=upper 2=lower 4=manual 7=auto\n"
" Code numbers may vary with printer model\n"
"-t Draft mode. Every other pixel is white.\n"
"-T density Print density (1-5) [%d].\n"
"-J filename Filename string to send to printer [%s]\n"
"-U username Username string to send to printer [%s]\n"
"\n"
"Printer Tweaking Options:\n"
"-u <xoff>x<yoff> Set offset of upper left printable in pixels [%dx%d]\n"
"-l <xoff>x<yoff> Set offset of lower right printable in pixels [%dx%d]\n"
"-L mask Send logical clipping values from -u/-l in ZjStream [%d]\n"
" 0=no, 1=Y, 2=X, 3=XY\n"
"-A AllIsBlack: convert C=1,M=1,Y=1 to just K=1\n"
"-B BlackClears: K=1 forces C,M,Y to 0\n"
" -A, -B work with bitcmyk input only\n"
"-P Do not output START_PLANE codes. May be needed by some\n"
" some black and white only printers.\n"
"-X padlen Add extra zero padding to the end of BID segments [%d]\n"
"\n"
"Debugging Options:\n"
"-S plane Output just a single color plane from a color print [all]\n"
" 1=Cyan, 2=Magenta, 3=Yellow, 4=Black\n"
"-D lvl Set Debug level [%d]\n"
"-V Version %s\n"
, Duplex
, PageWidth , PageHeight
, MediaCode
, PaperCode
, Copies
, ResX , ResY
, SourceCode
, PrintDensity
, Filename ? Filename : ""
, Username ? Username : ""
, UpperLeftX , UpperLeftY
, LowerRightX , LowerRightY
, LogicalClip
, ExtraPad
, Debug
, Version
);
exit(1);
}
/*
* Mirror1: bits 01234567 become 76543210
*/
unsigned char Mirror1[256] =
{
0,128, 64,192, 32,160, 96,224, 16,144, 80,208, 48,176,112,240,
8,136, 72,200, 40,168,104,232, 24,152, 88,216, 56,184,120,248,
4,132, 68,196, 36,164,100,228, 20,148, 84,212, 52,180,116,244,
12,140, 76,204, 44,172,108,236, 28,156, 92,220, 60,188,124,252,
2,130, 66,194, 34,162, 98,226, 18,146, 82,210, 50,178,114,242,
10,138, 74,202, 42,170,106,234, 26,154, 90,218, 58,186,122,250,
6,134, 70,198, 38,166,102,230, 22,150, 86,214, 54,182,118,246,
14,142, 78,206, 46,174,110,238, 30,158, 94,222, 62,190,126,254,
1,129, 65,193, 33,161, 97,225, 17,145, 81,209, 49,177,113,241,
9,137, 73,201, 41,169,105,233, 25,153, 89,217, 57,185,121,249,
5,133, 69,197, 37,165,101,229, 21,149, 85,213, 53,181,117,245,
13,141, 77,205, 45,173,109,237, 29,157, 93,221, 61,189,125,253,
3,131, 67,195, 35,163, 99,227, 19,147, 83,211, 51,179,115,243,
11,139, 75,203, 43,171,107,235, 27,155, 91,219, 59,187,123,251,
7,135, 71,199, 39,167,103,231, 23,151, 87,215, 55,183,119,247,
15,143, 79,207, 47,175,111,239, 31,159, 95,223, 63,191,127,255,
};
/*
* Mirror2: bits 01234567 become 67452301
*/
unsigned char Mirror2[256] =
{
0, 64,128,192, 16, 80,144,208, 32, 96,160,224, 48,112,176,240,
4, 68,132,196, 20, 84,148,212, 36,100,164,228, 52,116,180,244,
8, 72,136,200, 24, 88,152,216, 40,104,168,232, 56,120,184,248,
12, 76,140,204, 28, 92,156,220, 44,108,172,236, 60,124,188,252,
1, 65,129,193, 17, 81,145,209, 33, 97,161,225, 49,113,177,241,
5, 69,133,197, 21, 85,149,213, 37,101,165,229, 53,117,181,245,
9, 73,137,201, 25, 89,153,217, 41,105,169,233, 57,121,185,249,
13, 77,141,205, 29, 93,157,221, 45,109,173,237, 61,125,189,253,
2, 66,130,194, 18, 82,146,210, 34, 98,162,226, 50,114,178,242,
6, 70,134,198, 22, 86,150,214, 38,102,166,230, 54,118,182,246,
10, 74,138,202, 26, 90,154,218, 42,106,170,234, 58,122,186,250,
14, 78,142,206, 30, 94,158,222, 46,110,174,238, 62,126,190,254,
3, 67,131,195, 19, 83,147,211, 35, 99,163,227, 51,115,179,243,
7, 71,135,199, 23, 87,151,215, 39,103,167,231, 55,119,183,247,
11, 75,139,203, 27, 91,155,219, 43,107,171,235, 59,123,187,251,
15, 79,143,207, 31, 95,159,223, 47,111,175,239, 63,127,191,255,
};
/*
* Mirror4: bits 01234567 become 45670123
*/
unsigned char Mirror4[256] =
{
0, 16, 32, 48, 64, 80, 96,112,128,144,160,176,192,208,224,240,
1, 17, 33, 49, 65, 81, 97,113,129,145,161,177,193,209,225,241,
2, 18, 34, 50, 66, 82, 98,114,130,146,162,178,194,210,226,242,
3, 19, 35, 51, 67, 83, 99,115,131,147,163,179,195,211,227,243,
4, 20, 36, 52, 68, 84,100,116,132,148,164,180,196,212,228,244,
5, 21, 37, 53, 69, 85,101,117,133,149,165,181,197,213,229,245,
6, 22, 38, 54, 70, 86,102,118,134,150,166,182,198,214,230,246,
7, 23, 39, 55, 71, 87,103,119,135,151,167,183,199,215,231,247,
8, 24, 40, 56, 72, 88,104,120,136,152,168,184,200,216,232,248,
9, 25, 41, 57, 73, 89,105,121,137,153,169,185,201,217,233,249,
10, 26, 42, 58, 74, 90,106,122,138,154,170,186,202,218,234,250,
11, 27, 43, 59, 75, 91,107,123,139,155,171,187,203,219,235,251,
12, 28, 44, 60, 76, 92,108,124,140,156,172,188,204,220,236,252,
13, 29, 45, 61, 77, 93,109,125,141,157,173,189,205,221,237,253,
14, 30, 46, 62, 78, 94,110,126,142,158,174,190,206,222,238,254,
15, 31, 47, 63, 79, 95,111,127,143,159,175,191,207,223,239,255,
};
void
rotate_bytes_180(unsigned char *sp, unsigned char *ep, unsigned char *mirror)
{
unsigned char tmp;
while (sp < ep)
{
tmp = mirror[*sp];
*sp = mirror[*ep];
*ep = tmp;
++sp;
--ep;
}
if (sp == ep)
*sp = mirror[*sp];
}
void
debug(int level, char *fmt, ...)
{
va_list ap;
if (Debug < level)
return;
setvbuf(stderr, (char *) NULL, _IOLBF, BUFSIZ);
va_start(ap, fmt);
vfprintf(stderr, fmt, ap);
va_end(ap);
}
void
error(int fatal, char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
vfprintf(stderr, fmt, ap);
va_end(ap);
if (fatal)
exit(fatal);
}
static void
chunk_write(unsigned long type, unsigned long items, FILE *fp)
{
XQX_HEADER chunk;
int rc;
chunk.type = be32(type);
chunk.items = be32(items);
rc = fwrite(&chunk, 1, sizeof(XQX_HEADER), fp);
if (rc == 0) error(1, "fwrite(1): rc == 0!\n");
}
static void
item_uint32_write(unsigned long item, unsigned long value, FILE *fp)
{
XQX_ITEM_UINT32 item_uint32;
int rc;
item_uint32.header.type = be32(item);
item_uint32.header.size = be32(sizeof(DWORD));
item_uint32.value = be32(value);
rc = fwrite(&item_uint32, 1, sizeof(XQX_ITEM_UINT32), fp);
if (rc == 0) error(1, "fwrite(2): rc == 0!\n");
}
static void
item_bytelut_write(unsigned long item, unsigned long len, BYTE *buf, FILE *fp)
{
XQX_ITEM_HEADER header;
int rc;
header.type = be32(item);
header.size = be32(len);
rc = fwrite(&header, 1, sizeof(XQX_ITEM_HEADER), fp);
if (rc == 0) error(1, "fwrite(3): rc == 0!\n");
rc = fwrite(buf, 1, len, fp);
if (rc == 0) error(1, "fwrite(4): rc == 0!\n");
}
/*
* A linked list of compressed data
*/
typedef struct _BIE_CHAIN{
unsigned char *data;
size_t len;
struct _BIE_CHAIN *next;
} BIE_CHAIN;
void
free_chain(BIE_CHAIN *chain)
{
BIE_CHAIN *next;
next = chain;
while ((chain = next))
{
next = chain->next;
if (chain->data)
free(chain->data);
free(chain);
}
}
int
write_plane(int planeNum, BIE_CHAIN **root, FILE *fp)
{
BIE_CHAIN *current = *root;
//BIE_CHAIN *next;
int len;
int first;
BYTE *bih;
int rc;
debug(3, "Write Plane %d\n", planeNum);
/* error handling */
if (!current)
error(1,"There is no JBIG!\n");
if (!current->next)
error(1,"There is no or wrong JBIG header!\n");
if (current->len != 20)
error(1,"wrong BIH length\n");
bih = current->data;
first = 1;
for (current = *root; current && current->len; current = current->next)
{
if (current == *root)
{
}
else
{
len = current->len;
//next = current->next;
chunk_write(XQX_START_PLANE, 4, fp);
item_uint32_write(0x80000000, first ? 64 : 48, fp);
item_uint32_write(0x40000000, 0, fp);
if (first)
item_bytelut_write(XQXI_BIH, 20, bih, fp);
else
item_uint32_write(0x40000003, 1, fp);
item_uint32_write(XQXI_END, 0xdeadbeef, fp);
chunk_write(XQX_JBIG, len, fp);
if (len)
{
rc = fwrite(current->data, 1, len, fp);
if (rc == 0) error(1, "fwrite(5): rc == 0!\n");
}
chunk_write(XQX_END_PLANE, 0, fp);
first = 0;
}
}
free_chain(*root);
return 0;
}
void
start_page(BIE_CHAIN **root, int nbie, FILE *ofp)
{
BIE_CHAIN *current = *root;
unsigned long w, h;
int nitems;
int pause = 0;
static int pageno = 0;
/* error handling */
if (!current)
error(1, "There is no JBIG!\n");
if (!current->next)
error(1, "There is no or wrong JBIG header!\n");
if (current->len != 20 )
error(1,"wrong BIH length\n");
/* startpage, jbig_bih, jbig_bid, jbig_end, endpage */
w = (((long) current->data[ 4] << 24)
| ((long) current->data[ 5] << 16)
| ((long) current->data[ 6] << 8)
| (long) current->data[ 7]);
h = (((long) current->data[ 8] << 24)
| ((long) current->data[ 9] << 16)
| ((long) current->data[10] << 8)
| (long) current->data[11]);
nitems = 15;
if (Duplex != DMDUPLEX_OFF)
++nitems;
pause = (PageNum == 1) ? 0 : 1;
chunk_write(XQX_START_PAGE, nitems, ofp);
item_uint32_write(0x80000000, (Duplex == DMDUPLEX_OFF) ? 180 : 192, ofp);
item_uint32_write(XQXI_COPIES, Copies, ofp);
item_uint32_write(XQXI_DMDEFAULTSOURCE, SourceCode, ofp);
item_uint32_write(XQXI_DMMEDIATYPE, MediaCode, ofp);
item_uint32_write(0x20000007, 1, ofp);
item_uint32_write(XQXI_RESOLUTION_X, ResX, ofp);
item_uint32_write(XQXI_RESOLUTION_Y, ResY, ofp);
item_uint32_write(XQXI_RASTER_X, w, ofp);
item_uint32_write(XQXI_RASTER_Y, h, ofp);
item_uint32_write(XQXI_VIDEO_BPP, Bpp, ofp);
item_uint32_write(XQXI_VIDEO_X, RealWidth / Bpp,ofp);
item_uint32_write(XQXI_VIDEO_Y, h, ofp);
item_uint32_write(XQXI_ECONOMODE, EconoMode, ofp);
if (Duplex != DMDUPLEX_OFF)
{
item_uint32_write(XQXI_DUPLEX_PAUSE, pause, ofp);
if ((PageNum & 1) == 0 && EvenPages)
{
debug(1, "EvenPage: page %d seekindex %d\n", PageNum, SeekIndex);
SeekRec[SeekIndex].pause = ftell(EvenPages) - 4;
}
}
item_uint32_write(XQXI_DMPAPER, PaperCode, ofp);
item_uint32_write(XQXI_END, 0xdeadbeef, ofp);
++pageno;
if (IsCUPS)
fprintf(stderr, "PAGE: %d %d\n", pageno, Copies);
}
void
end_page(FILE *ofp)
{
chunk_write(XQX_END_PAGE, 0, ofp);
}
int
write_page(BIE_CHAIN **root, BIE_CHAIN **root2,
BIE_CHAIN **root3, BIE_CHAIN **root4, FILE *ofp)
{
int nbie = root2 ? 4 : 1;
start_page(root, nbie, ofp);
if (root3)
write_plane(3, root3, ofp);
if (root2)
write_plane(2, root2, ofp);
if (root)
{
if (OutputStartPlane)
write_plane(nbie == 1 ? 4 : 1, root, ofp);
else
write_plane(nbie == 1 ? 0 : 1, root, ofp);
}
if (root4)
write_plane(4, root4, ofp);
end_page(ofp);
return 0;
}
/*
* This creates a linked list of compressed data. The first item
* in the list is the BIH and is always 20 bytes in size. Each following
* item is 65536 bytes in length. The last item length is whatever remains.
*/
void
output_jbig(unsigned char *start, size_t len, void *cbarg)
{
BIE_CHAIN *current, **root = (BIE_CHAIN **) cbarg;
int size = 65536; // Printer does strange things otherwise.
if ( (*root) == NULL)
{
(*root) = malloc(sizeof(BIE_CHAIN));
if (!(*root))
error(1, "Can't allocate space for chain\n");
(*root)->data = NULL;
(*root)->next = NULL;
(*root)->len = 0;
size = 20;
if (len != 20)
error(1, "First chunk must be BIH and 20 bytes long\n");
}
current = *root;
while (current->next)
current = current->next;
while (len > 0)
{
int amt, left;
if (!current->data)
{
current->data = malloc(size);
if (!current->data)
error(1, "Can't allocate space for compressed data\n");
}
left = size - current->len;
amt = (len > left) ? left : len;
memcpy(current->data + current->len, start, amt);
current->len += amt;
len -= amt;
start += amt;
if (current->len == size)
{
current->next = malloc(sizeof(BIE_CHAIN));
if (!current->next)
error(1, "Can't allocate space for chain\n");
current = current->next;
current->data = NULL;
current->next = NULL;
current->len = 0;
}
}
}
void
start_doc(FILE *fp)
{
char header[4] = ",XQX"; // Big-endian data
int nitems;
time_t now;
struct tm *tmp;
char datetime[14+1];
now = time(NULL);
tmp = localtime(&now);
strftime(datetime, sizeof(datetime), "%Y%m%d%H%M%S", tmp);
fprintf(fp, "\033%%-12345X@PJL JOB\n");
fprintf(fp, "@PJL SET JAMRECOVERY=OFF\n");
fprintf(fp, "@PJL SET DENSITY=%d\n", PrintDensity);
fprintf(fp, "@PJL SET ECONOMODE=%s\n", EconoMode ? "ON" : "OFF");
fprintf(fp, "@PJL SET RET=MEDIUM\n");
fprintf(fp, "@PJL INFO STATUS\n");
fprintf(fp, "@PJL USTATUS DEVICE = ON\n");
fprintf(fp, "@PJL USTATUS JOB = ON\n");
fprintf(fp, "@PJL USTATUS PAGE = ON\n");
fprintf(fp, "@PJL USTATUS TIMED = 30\n");
fprintf(fp, "@PJL SET JOBATTR=\"JobAttr4=%s\"", datetime);
fputc(0, fp);
fprintf(fp, "\033%%-12345X");
fwrite(header, 1, sizeof(header), fp);
nitems = 7;
chunk_write(XQX_START_DOC, nitems, fp);
item_uint32_write(0x80000000, 84, fp);
item_uint32_write(0x10000005, 1, fp);
item_uint32_write(0x10000001, 0, fp);
item_uint32_write(XQXI_DMDUPLEX, (Duplex != DMDUPLEX_OFF)
? 2 : 0, fp);
item_uint32_write(0x10000000, 0, fp);
item_uint32_write(0x10000003, 1, fp);
item_uint32_write(XQXI_END, 0xdeadbeef, fp);
}
void
end_doc(FILE *fp)
{
int nitems;
nitems = 0;
chunk_write(XQX_END_DOC , nitems, fp);
fprintf(fp, "\033%%-12345X@PJL EOJ\n");
fprintf(fp, "\033%%-12345X");
}
static int AnyColor;
void
cmyk_planes(unsigned char *plane[4], unsigned char *raw, int w, int h)
{
int rawbpl = (w+1) / 2;
int bpl = (w + 7) / 8;
int i;
int x, y;
unsigned char byte;
unsigned char mask[8] = { 128, 64, 32, 16, 8, 4, 2, 1 };
int aib = AllIsBlack;
int bc = BlackClears;
AnyColor = 0;
for (i = 0; i < 4; ++i)
memset(plane[i], 0, bpl * h);
//
// Unpack the combined plane into individual color planes
//
// TODO: this can be speeded up using a 256 or 65536 entry lookup table
//
for (y = 0; y < h; ++y)
{
for (x = 0; x < w; ++x)
{
byte = raw[y*rawbpl + x/2];
if (aib && (byte & 0xE0) == 0xE0)
{
plane[3][y*bpl + x/8] |= mask[x&7];
}
else if (byte & 0x10)
{
plane[3][y*bpl + x/8] |= mask[x&7];
if (!bc)
{
if (byte & 0x80) plane[0][y*bpl + x/8] |= mask[x&7];
if (byte & 0x40) plane[1][y*bpl + x/8] |= mask[x&7];
if (byte & 0x20) plane[2][y*bpl + x/8] |= mask[x&7];
if (byte & 0xE0) AnyColor |= byte;
}
}
else
{
if (byte & 0x80) plane[0][y*bpl + x/8] |= mask[x&7];
if (byte & 0x40) plane[1][y*bpl + x/8] |= mask[x&7];
if (byte & 0x20) plane[2][y*bpl + x/8] |= mask[x&7];
if (byte & 0xE0) AnyColor |= byte;
}
++x;
if (aib && (byte & 0x0E) == 0x0E)
{
plane[3][y*bpl + x/8] |= mask[x&7];
}
else if (byte & 0x1)
{
plane[3][y*bpl + x/8] |= mask[x&7];
if (!bc)
{
if (byte & 0x8) plane[0][y*bpl + x/8] |= mask[x&7];
if (byte & 0x4) plane[1][y*bpl + x/8] |= mask[x&7];
if (byte & 0x2) plane[2][y*bpl + x/8] |= mask[x&7];
if (byte & 0xE) AnyColor |= byte;
}
}
else
{
if (byte & 0x8) plane[0][y*bpl + x/8] |= mask[x&7];
if (byte & 0x4) plane[1][y*bpl + x/8] |= mask[x&7];
if (byte & 0x2) plane[2][y*bpl + x/8] |= mask[x&7];
if (byte & 0xE) AnyColor |= byte;
}
}
}
debug(2, "BlackClears = %d; AnyColor = %s %s %s\n",
BlackClears,
(AnyColor & 0x88) ? "Cyan" : "",
(AnyColor & 0x44) ? "Magenta" : "",
(AnyColor & 0x22) ? "Yellow" : ""
);
}
int
cmyk_page(unsigned char *raw, int w, int h, FILE *ofp)
{
BIE_CHAIN *chain[4];
int i;
int bpl = (w + 7) / 8;
unsigned char *plane[4], *bitmaps[4][1];
struct jbg_enc_state se[4];
RealWidth = w;
for (i = 0; i < 4; ++i)
{
plane[i] = malloc(bpl * h);
if (!plane[i]) error(3, "Cannot allocate space for bit plane\n");
chain[i] = NULL;
}
cmyk_planes(plane, raw, w, h);
for (i = 0; i < 4; ++i)
{
if (Debug >= 9)
{
FILE *dfp;
char fname[256];
sprintf(fname, "xxxplane%d", i);
dfp = fopen(fname, "w");
if (dfp)
{
fwrite(plane[i], bpl*h, 1, dfp);
fclose(dfp);
}
}
*bitmaps[i] = plane[i];
jbg_enc_init(&se[i], w, h, 1, bitmaps[i], output_jbig, &chain[i]);
jbg_enc_options(&se[i], JbgOptions[0], JbgOptions[1],
JbgOptions[2], JbgOptions[3], JbgOptions[4]);
jbg_enc_out(&se[i]);
jbg_enc_free(&se[i]);
}
if (Color2Mono)
write_page(&chain[Color2Mono-1], NULL, NULL, NULL, ofp);
else if (AnyColor)
write_page(&chain[0], &chain[1], &chain[2], &chain[3], ofp);
else
write_page(&chain[3], NULL, NULL, NULL, ofp);
for (i = 0; i < 4; ++i)
free(plane[i]);
return 0;
}
int
pksm_page(unsigned char *plane[4], int w, int h, FILE *ofp)
{
BIE_CHAIN *chain[4];
int i;
unsigned char *bitmaps[4][1];
struct jbg_enc_state se[4];
RealWidth = w;
for (i = 0; i < 4; ++i)
chain[i] = NULL;
for (i = 0; i < 4; ++i)
{
*bitmaps[i] = plane[i];
jbg_enc_init(&se[i], w, h, 1, bitmaps[i], output_jbig, &chain[i]);
jbg_enc_options(&se[i], JbgOptions[0], JbgOptions[1],
JbgOptions[2], JbgOptions[3], JbgOptions[4]);
jbg_enc_out(&se[i]);
jbg_enc_free(&se[i]);
}
if (Color2Mono)
write_page(&chain[Color2Mono-1], NULL, NULL, NULL, ofp);
else if (AnyColor)
write_page(&chain[0], &chain[1], &chain[2], &chain[3], ofp);
else
write_page(&chain[3], NULL, NULL, NULL, ofp);
return 0;
}
int
pbm_page(unsigned char *buf, int w, int h, FILE *ofp)
{
BIE_CHAIN *chain = NULL;
unsigned char *bitmaps[1];
struct jbg_enc_state se;
RealWidth = w;
w = (w + 127) & ~127;
if (SaveToner)
{
int x, y;
int bpl, bpl16;
bpl = (w + 7) / 8;
bpl16 = (bpl + 15) & ~15;
for (y = 0; y < h; y += 2)
for (x = 0; x < bpl16; ++x)
buf[y*bpl16 + x] &= 0x55;
for (y = 1; y < h; y += 2)
for (x = 0; x < bpl16; ++x)
buf[y*bpl16 + x] &= 0xaa;
}
*bitmaps = buf;
jbg_enc_init(&se, w, h, 1, bitmaps, output_jbig, &chain);
jbg_enc_options(&se, JbgOptions[0], JbgOptions[1],
JbgOptions[2], JbgOptions[3], JbgOptions[4]);
jbg_enc_out(&se);
jbg_enc_free(&se);
write_page(&chain, NULL, NULL, NULL, ofp);
return 0;
}
int
read_and_clip_image(unsigned char *buf,
int rawBpl, int rightBpl, int pixelsPerByte,
int bpl, int h, int bpl16, FILE *ifp)
{
unsigned char *rowbuf, *rowp;
int y;
int rc;
rowbuf = malloc(rawBpl);
if (!rowbuf)
error(1, "Can't allocate row buffer\n");
// Clip top rows
if (UpperLeftY)
{
for (y = 0; y < UpperLeftY; ++y)
{
rc = fread(rowbuf, rawBpl, 1, ifp);
if (rc == 0)
goto eof;
if (rc != 1)
error(1, "Premature EOF(1) on input at y=%d\n", y);
}
}
// Copy the rows that we want to image
rowp = buf;
for (y = 0; y < h; ++y, rowp += bpl16)
{
// Clip left pixel *bytes*
if (UpperLeftX)
{
rc = fread(rowbuf, UpperLeftX / pixelsPerByte, 1, ifp);
if (rc == 0 && y == 0 && !UpperLeftY)
goto eof;
if (rc != 1)
error(1, "Premature EOF(2) on input at y=%d\n", y);
}
if (bpl != bpl16)
memset(rowp, 0, bpl16);
rc = fread(rowp, bpl, 1, ifp);
if (rc == 0 && y == 0 && !UpperLeftY && !UpperLeftX)
goto eof;
if (rc != 1)
error(1, "Premature EOF(3) on input at y=%d\n", y);
// Clip right pixels
if (rightBpl != bpl)
{
rc = fread(rowbuf, rightBpl - bpl, 1, ifp);
if (rc != 1)
error(1, "Premature EOF(4) on input at y=%d\n", y);
}
}
// Clip bottom rows
if (LowerRightY)
{
for (y = 0; y < LowerRightY; ++y)
{
rc = fread(rowbuf, rawBpl, 1, ifp);
if (rc != 1)
error(1, "Premature EOF(5) on input at y=%d\n", y);
}
}
free(rowbuf);
return (0);
eof:
free(rowbuf);
return (EOF);
}
int
cmyk_pages(FILE *ifp, FILE *ofp)
{
unsigned char *buf;
int rawW, rawH, rawBpl;
int rightBpl;
int w, h, bpl;
int rc;
//
// Save the original Upper Right clip values as the logical offset,
// because we may adjust them slightly below, in the interest of speed.
//
if (LogicalClip & LOGICAL_CLIP_X)
LogicalOffsetX = UpperLeftX;
if (LogicalClip & LOGICAL_CLIP_Y)
LogicalOffsetY = UpperLeftY;
rawW = PageWidth;
rawH = PageHeight;
rawBpl = (PageWidth + 1) / 2;
// We only clip multiples of 2 pixels off the leading edge, and
// add any remainder to the amount we clip from the right edge.
// Its fast, and good enough for government work.
LowerRightX += UpperLeftX & 1;
UpperLeftX &= ~1;
w = rawW - UpperLeftX - LowerRightX;
h = rawH - UpperLeftY - LowerRightY;
bpl = (w + 1) / 2;
rightBpl = (rawW - UpperLeftX + 1) / 2;
buf = malloc(bpl * h);
if (!buf)
error(1, "Unable to allocate page buffer of %d x %d = %d bytes\n",
rawW, rawH, rawBpl * rawH);
for (;;)
{
rc = read_and_clip_image(buf, rawBpl, rightBpl, 2, bpl, h, bpl, ifp);
if (rc == EOF)
goto done;
++PageNum;
if (Duplex == DMDUPLEX_LONGEDGE && (PageNum & 1) == 0)