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eBookReaderSwitch/mupdf/source/fitz/output-pcl.c

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#include "mupdf/fitz.h"
#include <limits.h>
#include <stdlib.h>
#include <string.h>
/* Lifted from ghostscript gdevjlm.h */
/*
* The notion that there is such a thing as a "PCL printer" is a fiction: no
* two "PCL" printers, even at the same PCL level, have identical command
* sets. (The H-P documentation isn't fully accurate either; for example,
* it doesn't reveal that the DeskJet printers implement anything beyond PCL
* 3.)
*
* This file contains feature definitions for a generic monochrome PCL
* driver (gdevdljm.c), and the specific feature values for all such
* printers that Ghostscript currently supports.
*/
/* Printer spacing capabilities. Include at most one of these. */
#define PCL_NO_SPACING 0 /* no vertical spacing capability, must be 0 */
#define PCL3_SPACING 1 /* <ESC>*p+<n>Y (PCL 3) */
#define PCL4_SPACING 2 /* <ESC>*b<n>Y (PCL 4) */
#define PCL5_SPACING 4 /* <ESC>*b<n>Y and clear seed row (PCL 5) */
/* The following is only used internally. */
#define PCL_ANY_SPACING \
(PCL3_SPACING | PCL4_SPACING | PCL5_SPACING)
/* Individual printer properties. Any subset of these may be included. */
#define PCL_MODE_2_COMPRESSION 8 /* compression mode 2 supported */
/* (PCL 4) */
#define PCL_MODE_3_COMPRESSION 16 /* compression modes 2 & 3 supported */
/* (PCL 5) */
#define PCL_END_GRAPHICS_DOES_RESET 32 /* <esc>*rB resets all parameters */
#define PCL_HAS_DUPLEX 64 /* <esc>&l<duplex>S supported */
#define PCL_CAN_SET_PAPER_SIZE 128 /* <esc>&l<sizecode>A supported */
#define PCL_CAN_PRINT_COPIES 256 /* <esc>&l<copies>X supported */
#define HACK__IS_A_LJET4PJL 512
#define HACK__IS_A_OCE9050 1024
#define PCL_HAS_ORIENTATION 2048
#define PCL_CAN_SET_CUSTOM_PAPER_SIZE 4096
#define PCL_HAS_RICOH_PAPER_SIZES 8192
/* Shorthands for the most common spacing/compression combinations. */
#define PCL_MODE0 PCL3_SPACING
#define PCL_MODE0NS PCL_NO_SPACING
#define PCL_MODE2 (PCL4_SPACING | PCL_MODE_2_COMPRESSION)
#define PCL_MODE2P (PCL_NO_SPACING | PCL_MODE_2_COMPRESSION)
#define PCL_MODE3 (PCL5_SPACING | PCL_MODE_3_COMPRESSION)
#define PCL_MODE3NS (PCL_NO_SPACING | PCL_MODE_3_COMPRESSION)
#define MIN_SKIP_LINES 7
static const char *const from2to3 = "\033*b3M";
static const char *const from3to2 = "\033*b2M";
static const int penalty_from2to3 = 5; /* strlen(from2to3); */
static const int penalty_from3to2 = 5; /* strlen(from3to2); */
/* Generic */
static const fz_pcl_options fz_pcl_options_generic =
{
(PCL_MODE2 | PCL_END_GRAPHICS_DOES_RESET | PCL_CAN_SET_PAPER_SIZE | PCL_CAN_SET_CUSTOM_PAPER_SIZE),
"\033&k1W\033*b2M",
"\033&k1W\033*b2M"
};
/* H-P DeskJet */
static const fz_pcl_options fz_pcl_options_ljet4 =
{
(PCL_MODE2 | PCL_END_GRAPHICS_DOES_RESET | PCL_CAN_SET_PAPER_SIZE),
"\033&k1W\033*b2M",
"\033&k1W\033*b2M"
};
/* H-P DeskJet 500 */
static const fz_pcl_options fz_pcl_options_dj500 =
{
(PCL_MODE3 | PCL_END_GRAPHICS_DOES_RESET | PCL_CAN_SET_PAPER_SIZE),
"\033&k1W",
"\033&k1W"
};
/* Kyocera FS-600 */
static const fz_pcl_options fz_pcl_options_fs600 =
{
(PCL_MODE3 | PCL_CAN_SET_PAPER_SIZE | PCL_CAN_PRINT_COPIES),
"\033*r0F\033&u%dD",
"\033*r0F\033&u%dD"
};
/* H-P original LaserJet */
/* H-P LaserJet Plus */
static const fz_pcl_options fz_pcl_options_lj =
{
(PCL_MODE0),
"\033*b0M",
"\033*b0M"
};
/* H-P LaserJet IIp, IId */
static const fz_pcl_options fz_pcl_options_lj2 =
{
(PCL_MODE2P | PCL_CAN_SET_PAPER_SIZE),
"\033*r0F\033*b2M",
"\033*r0F\033*b2M"
};
/* H-P LaserJet III* */
static const fz_pcl_options fz_pcl_options_lj3 =
{
(PCL_MODE3 | PCL_CAN_SET_PAPER_SIZE | PCL_CAN_PRINT_COPIES),
"\033&l-180u36Z\033*r0F",
"\033&l-180u36Z\033*r0F"
};
/* H-P LaserJet IIId */
static const fz_pcl_options fz_pcl_options_lj3d =
{
(PCL_MODE3 | PCL_HAS_DUPLEX | PCL_CAN_SET_PAPER_SIZE | PCL_CAN_PRINT_COPIES),
"\033&l-180u36Z\033*r0F",
"\033&l180u36Z\033*r0F"
};
/* H-P LaserJet 4 */
static const fz_pcl_options fz_pcl_options_lj4 =
{
(PCL_MODE3 | PCL_CAN_SET_PAPER_SIZE | PCL_CAN_PRINT_COPIES),
"\033&l-180u36Z\033*r0F\033&u%dD",
"\033&l-180u36Z\033*r0F\033&u%dD"
};
/* H-P LaserJet 4 PL */
static const fz_pcl_options fz_pcl_options_lj4pl =
{
(PCL_MODE3 | PCL_CAN_SET_PAPER_SIZE | PCL_CAN_PRINT_COPIES | HACK__IS_A_LJET4PJL),
"\033&l-180u36Z\033*r0F\033&u%dD",
"\033&l-180u36Z\033*r0F\033&u%dD"
};
/* H-P LaserJet 4d */
static const fz_pcl_options fz_pcl_options_lj4d =
{
(PCL_MODE3 | PCL_HAS_DUPLEX | PCL_CAN_SET_PAPER_SIZE | PCL_CAN_PRINT_COPIES),
"\033&l-180u36Z\033*r0F\033&u%dD",
"\033&l180u36Z\033*r0F\033&u%dD"
};
/* H-P 2563B line printer */
static const fz_pcl_options fz_pcl_options_lp2563b =
{
(PCL_MODE0NS | PCL_CAN_SET_PAPER_SIZE),
"\033*b0M",
"\033*b0M"
};
/* OCE 9050 line printer */
static const fz_pcl_options fz_pcl_options_oce9050 =
{
(PCL_MODE3NS | PCL_CAN_SET_PAPER_SIZE | HACK__IS_A_OCE9050),
"\033*b0M",
"\033*b0M"
};
enum {
eLetterPaper = 0,
eLegalPaper,
eA4Paper,
eExecPaper,
eLedgerPaper,
eA3Paper,
eCOM10Envelope,
eMonarchEnvelope,
eC5Envelope,
eDLEnvelope,
eJB4Paper,
eJB5Paper,
eB5Envelope,
eB5Paper, /* 2.1 */
eJPostcard,
eJDoublePostcard,
eA5Paper,
eA6Paper, /* 2.0 */
eJB6Paper, /* 2.0 */
eJIS8K, /* 2.1 */
eJIS16K, /* 2.1 */
eJISExec, /* 2.1 */
eDefaultPaperSize = 96, /* 2.1 */
eCustomPaperSize = 101,
eB6JIS = 201, /* non-standard, Ricoh printers */
eC6Envelope = 202, /* non-standard, Ricoh printers */
e8Kai = 203, /* non-standard, Ricoh printers */
e16Kai = 204, /* non-standard, Ricoh printers */
e12x18 = 205, /* non-standard, Ricoh printers */
e13x19_2 = 212, /* non-standard, Ricoh printers */
e13x19 = 213, /* non-standard, Ricoh printers */
e12_6x19_2 = 214, /* non-standard, Ricoh printers */
e12_6x18_5 = 215, /* non-standard, Ricoh printers */
e13x18 = 216, /* non-standard, Ricoh printers */
eSRA3 = 217, /* non-standard, Ricoh printers */
eSRA4 = 218, /* non-standard, Ricoh printers */
e226x310 = 219, /* non-standard, Ricoh printers */
e310x432 = 220, /* non-standard, Ricoh printers */
eEngQuatro = 221, /* non-standard, Ricoh printers */
e11x14 = 222, /* non-standard, Ricoh printers */
e11x15 = 223, /* non-standard, Ricoh printers */
e10x14 = 224, /* non-standard, Ricoh printers */
};
static void copy_opts(fz_pcl_options *dst, const fz_pcl_options *src)
{
if (dst)
*dst = *src;
}
const char *fz_pcl_write_options_usage =
"PCL output options:\n"
"\tcolorspace=mono: render 1-bit black and white page\n"
"\tcolorspace=rgb: render full color page\n"
"\tpreset=generic|ljet4|dj500|fs600|lj|lj2|lj3|lj3d|lj4|lj4pl|lj4d|lp2563b|oce9050\n"
"\tspacing=0: No vertical spacing capability\n"
"\tspacing=1: PCL 3 spacing (<ESC>*p+<n>Y)\n"
"\tspacing=2: PCL 4 spacing (<ESC>*b<n>Y)\n"
"\tspacing=3: PCL 5 spacing (<ESC>*b<n>Y and clear seed row)\n"
"\tmode2: Enable mode 2 graphics compression\n"
"\tmode3: Enable mode 3 graphics compression\n"
"\teog_reset: End of graphics (<ESC>*rB) resets all parameters\n"
"\thas_duplex: Duplex supported (<ESC>&l<duplex>S)\n"
"\thas_papersize: Papersize setting supported (<ESC>&l<sizecode>A)\n"
"\thas_copies: Number of copies supported (<ESC>&l<copies>X)\n"
"\tis_ljet4pjl: Disable/Enable HP 4PJL model-specific output\n"
"\tis_oce9050: Disable/Enable Oce 9050 model-specific output\n"
"\n";
/*
Initialize PCL option struct for a given preset.
Currently defined presets include:
generic Generic PCL printer
ljet4 HP DeskJet
dj500 HP DeskJet 500
fs600 Kyocera FS-600
lj HP LaserJet, HP LaserJet Plus
lj2 HP LaserJet IIp, HP LaserJet IId
lj3 HP LaserJet III
lj3d HP LaserJet IIId
lj4 HP LaserJet 4
lj4pl HP LaserJet 4 PL
lj4d HP LaserJet 4d
lp2563b HP 2563B line printer
oce9050 Oce 9050 Line printer
*/
void fz_pcl_preset(fz_context *ctx, fz_pcl_options *opts, const char *preset)
{
if (preset == NULL || *preset == 0 || !strcmp(preset, "generic"))
copy_opts(opts, &fz_pcl_options_generic);
else if (!strcmp(preset, "ljet4"))
copy_opts(opts, &fz_pcl_options_ljet4);
else if (!strcmp(preset, "dj500"))
copy_opts(opts, &fz_pcl_options_dj500);
else if (!strcmp(preset, "fs600"))
copy_opts(opts, &fz_pcl_options_fs600);
else if (!strcmp(preset, "lj"))
copy_opts(opts, &fz_pcl_options_lj);
else if (!strcmp(preset, "lj2"))
copy_opts(opts, &fz_pcl_options_lj2);
else if (!strcmp(preset, "lj3"))
copy_opts(opts, &fz_pcl_options_lj3);
else if (!strcmp(preset, "lj3d"))
copy_opts(opts, &fz_pcl_options_lj3d);
else if (!strcmp(preset, "lj4"))
copy_opts(opts, &fz_pcl_options_lj4);
else if (!strcmp(preset, "lj4pl"))
copy_opts(opts, &fz_pcl_options_lj4pl);
else if (!strcmp(preset, "lj4d"))
copy_opts(opts, &fz_pcl_options_lj4d);
else if (!strcmp(preset, "lp2563b"))
copy_opts(opts, &fz_pcl_options_lp2563b);
else if (!strcmp(preset, "oce9050"))
copy_opts(opts, &fz_pcl_options_oce9050);
else
fz_throw(ctx, FZ_ERROR_GENERIC, "Unknown preset '%s'", preset);
}
/*
Parse PCL options.
Currently defined options and values are as follows:
preset=X Either "generic" or one of the presets as for fz_pcl_preset.
spacing=0 No vertical spacing capability
spacing=1 PCL 3 spacing (<ESC>*p+<n>Y)
spacing=2 PCL 4 spacing (<ESC>*b<n>Y)
spacing=3 PCL 5 spacing (<ESC>*b<n>Y and clear seed row)
mode2 Disable/Enable mode 2 graphics compression
mode3 Disable/Enable mode 3 graphics compression
eog_reset End of graphics (<ESC>*rB) resets all parameters
has_duplex Duplex supported (<ESC>&l<duplex>S)
has_papersize Papersize setting supported (<ESC>&l<sizecode>A)
has_copies Number of copies supported (<ESC>&l<copies>X)
is_ljet4pjl Disable/Enable HP 4PJL model-specific output
is_oce9050 Disable/Enable Oce 9050 model-specific output
*/
fz_pcl_options *
fz_parse_pcl_options(fz_context *ctx, fz_pcl_options *opts, const char *args)
{
const char *val;
memset(opts, 0, sizeof *opts);
if (fz_has_option(ctx, args, "preset", &val))
fz_pcl_preset(ctx, opts, val);
else
fz_pcl_preset(ctx, opts, "generic");
if (fz_has_option(ctx, args, "spacing", &val))
{
switch (atoi(val))
{
case 0: opts->features &= ~PCL_ANY_SPACING; break;
case 1: opts->features = (opts->features & ~PCL_ANY_SPACING) | PCL3_SPACING; break;
case 2: opts->features = (opts->features & ~PCL_ANY_SPACING) | PCL4_SPACING; break;
case 3: opts->features = (opts->features & ~PCL_ANY_SPACING) | PCL5_SPACING; break;
default: fz_throw(ctx, FZ_ERROR_GENERIC, "Unsupported PCL spacing %d (0-3 only)", atoi(val));
}
}
if (fz_has_option(ctx, args, "mode2", &val))
{
if (fz_option_eq(val, "no"))
opts->features &= ~PCL_MODE_2_COMPRESSION;
else if (fz_option_eq(val, "yes"))
opts->features |= PCL_MODE_2_COMPRESSION;
else
fz_throw(ctx, FZ_ERROR_GENERIC, "Expected 'yes' or 'no' for mode2 value");
}
if (fz_has_option(ctx, args, "mode3", &val))
{
if (fz_option_eq(val, "no"))
opts->features &= ~PCL_MODE_3_COMPRESSION;
else if (fz_option_eq(val, "yes"))
opts->features |= PCL_MODE_3_COMPRESSION;
else
fz_throw(ctx, FZ_ERROR_GENERIC, "Expected 'yes' or 'no' for mode3 value");
}
if (fz_has_option(ctx, args, "eog_reset", &val))
{
if (fz_option_eq(val, "no"))
opts->features &= ~PCL_END_GRAPHICS_DOES_RESET;
else if (fz_option_eq(val, "yes"))
opts->features |= PCL_END_GRAPHICS_DOES_RESET;
else
fz_throw(ctx, FZ_ERROR_GENERIC, "Expected 'yes' or 'no' for eog_reset value");
}
if (fz_has_option(ctx, args, "has_duplex", &val))
{
if (fz_option_eq(val, "no"))
opts->features &= ~PCL_HAS_DUPLEX;
else if (fz_option_eq(val, "yes"))
opts->features |= PCL_HAS_DUPLEX;
else
fz_throw(ctx, FZ_ERROR_GENERIC, "Expected 'yes' or 'no' for has_duplex value");
}
if (fz_has_option(ctx, args, "has_papersize", &val))
{
if (fz_option_eq(val, "no"))
opts->features &= ~PCL_CAN_SET_PAPER_SIZE;
else if (fz_option_eq(val, "yes"))
opts->features |= PCL_CAN_SET_PAPER_SIZE;
else
fz_throw(ctx, FZ_ERROR_GENERIC, "Expected 'yes' or 'no' for has_papersize value");
}
if (fz_has_option(ctx, args, "has_copies", &val))
{
if (fz_option_eq(val, "no"))
opts->features &= ~PCL_CAN_PRINT_COPIES;
else if (fz_option_eq(val, "yes"))
opts->features |= PCL_CAN_PRINT_COPIES;
else
fz_throw(ctx, FZ_ERROR_GENERIC, "Expected 'yes' or 'no' for has_papersize value");
}
if (fz_has_option(ctx, args, "is_ljet4pjl", &val))
{
if (fz_option_eq(val, "no"))
opts->features &= ~HACK__IS_A_LJET4PJL;
else if (fz_option_eq(val, "yes"))
opts->features |= HACK__IS_A_LJET4PJL;
else
fz_throw(ctx, FZ_ERROR_GENERIC, "Expected 'yes' or 'no' for is_ljet4pjl value");
}
if (fz_has_option(ctx, args, "is_oce9050", &val))
{
if (fz_option_eq(val, "no"))
opts->features &= ~HACK__IS_A_OCE9050;
else if (fz_option_eq(val, "yes"))
opts->features |= HACK__IS_A_OCE9050;
else
fz_throw(ctx, FZ_ERROR_GENERIC, "Expected 'yes' or 'no' for is_oce9050 value");
}
return opts;
}
static void
make_init(fz_pcl_options *pcl, char *buf, unsigned long len, const char *str, int res)
{
int paper_source = -1;
fz_snprintf(buf, len, str, res);
if (pcl->manual_feed_set && pcl->manual_feed)
paper_source = 2;
else if (pcl->media_position_set && pcl->media_position >= 0)
paper_source = pcl->media_position;
if (paper_source >= 0)
{
char buf2[40];
fz_snprintf(buf2, sizeof(buf2), "\033&l%dH", paper_source);
strncat(buf, buf2, len);
}
}
static void
pcl_header(fz_context *ctx, fz_output *out, fz_pcl_options *pcl, int num_copies, int xres, int yres, int w, int h)
{
char odd_page_init[80];
char even_page_init[80];
make_init(pcl, odd_page_init, sizeof(odd_page_init), pcl->odd_page_init, xres);
make_init(pcl, even_page_init, sizeof(even_page_init), pcl->even_page_init, xres);
if (pcl->page_count == 0)
{
if (pcl->features & HACK__IS_A_LJET4PJL)
fz_write_string(ctx, out, "\033%-12345X@PJL\r\n@PJL ENTER LANGUAGE = PCL\r\n");
fz_write_string(ctx, out, "\033E"); /* reset printer */
/* Reset the margins */
fz_write_string(ctx, out, "\033&10e-180u36Z");
/* If the printer supports it, set orientation */
if (pcl->features & PCL_HAS_ORIENTATION)
{
fz_write_printf(ctx, out, "\033&l%dO", pcl->orientation);
}
/* If the printer supports it, set the paper size */
/* based on the actual requested size. */
if (pcl->features & PCL_CAN_SET_PAPER_SIZE)
{
/* It probably never hurts to define the page explicitly */
{
int decipointw = (w * 720 + (xres>>1)) / xres;
int decipointh = (h * 720 + (yres>>1)) / yres;
fz_write_printf(ctx, out, "\033&f%dI", decipointw);
fz_write_printf(ctx, out, "\033&f%dJ", decipointh);
}
fz_write_printf(ctx, out, "\033&l%dA", pcl->paper_size);
}
/* If printer can duplex, set duplex mode appropriately. */
if (pcl->features & PCL_HAS_DUPLEX)
{
if (pcl->duplex_set)
{
if (pcl->duplex)
{
if (!pcl->tumble)
fz_write_string(ctx, out, "\033&l1S");
else
fz_write_string(ctx, out, "\033&l2S");
}
else
fz_write_string(ctx, out, "\033&l0S");
}
else
{
/* default to duplex for this printer */
fz_write_string(ctx, out, "\033&l1S");
}
}
}
/* Put out per-page initialization. */
/* In duplex mode the sheet is already in process, so there are some
* commands which must not be sent to the printer for the 2nd page,
* as these commands will cause the printer to eject the sheet with
* only the 1st page printed. These commands are:
* \033&l%dA (setting paper size)
* \033&l%dH (setting paper tray)
* in simplex mode we set these parameters for each page,
* in duplex mode we set these parameters for each odd page
*/
if ((pcl->features & PCL_HAS_DUPLEX) && pcl->duplex_set && pcl->duplex)
{
/* We are printing duplex, so change margins as needed */
if (((pcl->page_count/num_copies)%2) == 0)
{
if (pcl->page_count != 0 && (pcl->features & PCL_CAN_SET_PAPER_SIZE))
{
fz_write_printf(ctx, out, "\033&l%dA", pcl->paper_size);
}
fz_write_string(ctx, out, "\033&l0o0l0E");
fz_write_string(ctx, out, pcl->odd_page_init);
}
else
fz_write_string(ctx, out, pcl->even_page_init);
}
else
{
if (pcl->features & PCL_CAN_SET_PAPER_SIZE)
{
fz_write_printf(ctx, out, "\033&l%dA", pcl->paper_size);
}
fz_write_string(ctx, out, "\033&l0o0l0E");
fz_write_string(ctx, out, pcl->odd_page_init);
}
fz_write_printf(ctx, out, "\033&l%dX", num_copies); /* # of copies */
/* End raster graphics, position cursor at top. */
fz_write_string(ctx, out, "\033*rB\033*p0x0Y");
/* The DeskJet and DeskJet Plus reset everything upon */
/* receiving \033*rB, so we must reinitialize graphics mode. */
if (pcl->features & PCL_END_GRAPHICS_DOES_RESET)
{
fz_write_string(ctx, out, pcl->odd_page_init); /* Assume this does the right thing */
fz_write_printf(ctx, out, "\033&l%dX", num_copies); /* # of copies */
}
/* Set resolution. */
fz_write_printf(ctx, out, "\033*t%dR", xres);
/* Raster units */
/* 96,100,120,144,150,160,180,200,225,240,288,300,360,400,450,480,600,720,800,900,1200,1440,1800,2400,3600,7200 */
/* FIXME: xres vs yres */
fz_write_printf(ctx, out, "\033&u%dD", xres);
pcl->page_count++;
}
typedef struct pcl_papersize_s
{
int code;
const char *text;
int width;
int height;
} pcl_papersize;
static const pcl_papersize papersizes[] =
{
{ eLetterPaper, "letter", 2550, 3300},
{ eLegalPaper, "legal", 2550, 4200},
{ eA4Paper, "a4", 2480, 3507},
{ eExecPaper, "executive", 2175, 3150},
{ eLedgerPaper, "ledger", 3300, 5100},
{ eA3Paper, "a3", 3507, 4960},
{ eCOM10Envelope, "com10", 1237, 2850},
{ eMonarchEnvelope, "monarch", 1162, 2250},
{ eC5Envelope, "c5", 1913, 2704},
{ eDLEnvelope, "dl", 1299, 2598},
{ eJB4Paper, "jisb4", 3035, 4299},
{ eJB4Paper, "jis b4", 3035, 4299},
{ eJB5Paper, "jisb5", 2150, 3035},
{ eJB5Paper, "jis b5", 2150, 3035},
{ eB5Envelope, "b5", 2078, 2952},
{ eB5Paper, "b5paper", 2150, 3035},
{ eJPostcard, "jpost", 1181, 1748},
{ eJDoublePostcard, "jpostd", 2362, 1748},
{ eA5Paper, "a5", 1748, 2480},
{ eA6Paper, "a6", 1240, 1748},
{ eJB6Paper, "jisb6", 1512, 2150},
{ eJIS8K, "jis8K", 3154, 4606},
{ eJIS16K, "jis16K", 2303, 3154},
{ eJISExec, "jisexec", 2551, 3898},
{ eB6JIS, "B6 (JIS)", 1512, 2150},
{ eC6Envelope, "C6", 1345, 1912},
{ e8Kai, "8Kai", 3154, 4608},
{ e16Kai, "16Kai", 2304, 3154},
{ e12x18, "12x18", 3600, 5400},
{ e13x19_2, "13x19.2", 3900, 5758},
{ e13x19, "13x19", 3900, 5700},
{ e12_6x19_2, "12.6x19.2", 3779, 5758},
{ e12_6x18_5, "12.6x18.5", 3779, 5550},
{ e13x18, "13x18", 3900, 5400},
{ eSRA3, "SRA3", 3779, 5316},
{ eSRA4, "SRA4", 2658, 3779},
{ e226x310, "226x310", 2670, 3662},
{ e310x432, "310x432", 3662, 5104},
{ eEngQuatro, "EngQuatro", 2400, 3000},
{ e11x14, "11x14", 3300, 4200},
{ e11x15, "11x15", 3300, 4500},
{ e10x14, "10x14", 3000, 4200}
};
#define num_elems(X) (sizeof(X)/sizeof(*X))
static void guess_paper_size(fz_pcl_options *pcl, int w, int h, int xres, int yres)
{
int size;
int rotated = 0;
/* If we've been given a paper size, live with it */
if (pcl->paper_size != 0)
return;
w = w * 300 / xres;
h = h * 300 / xres;
/* Look for an exact match */
for (size = 0; size < (int)num_elems(papersizes); size++)
{
if (papersizes[size].code > eCustomPaperSize && (pcl->features & PCL_HAS_RICOH_PAPER_SIZES) == 0)
continue;
if (w == papersizes[size].width && h == papersizes[size].height)
break;
if ((pcl->features & PCL_HAS_ORIENTATION) && w == papersizes[size].height && h == papersizes[size].width)
{
rotated = 1;
break;
}
}
/* If we didn't find an exact match, find the smallest one that's
* larger. Consider orientation if our printer supports it. */
if (size == num_elems(papersizes))
{
if ((pcl->features & PCL_CAN_SET_CUSTOM_PAPER_SIZE) != 0)
{
/* Send it as a custom size */
size = eCustomPaperSize;
}
else
{
/* Send the next larger one (minimise waste) */
int i;
int best_waste = INT_MAX;
for (i = 0; i < (int)num_elems(papersizes); i++)
{
int waste;
if (papersizes[i].code > eCustomPaperSize && (pcl->features & PCL_HAS_RICOH_PAPER_SIZES) == 0)
continue;
waste = papersizes[i].width * papersizes[i].height - w * h;
if (waste > best_waste)
continue;
if (w <= papersizes[i].width && h <= papersizes[i].height)
{
best_waste = waste;
rotated = 0;
size = i;
}
if ((pcl->features & PCL_HAS_ORIENTATION) && w <= papersizes[i].height && h <= papersizes[i].width)
{
best_waste = waste;
rotated = 1;
size = i;
}
}
}
}
/* Now, size = The best size we have (or num_elems(papersizes)) if it's too big */
if (size < (int)num_elems(papersizes))
pcl->paper_size = papersizes[size].code;
else
pcl->paper_size = eCustomPaperSize; /* Custom */
pcl->orientation = rotated;
}
/* Copy a line, returning true if the line was blank. */
static int
line_is_blank(unsigned char *dst, const unsigned char *sp, int w)
{
int zero = 0;
while (w-- > 0)
{
zero |= (*dst++ = *sp++);
zero |= (*dst++ = *sp++);
zero |= (*dst++ = *sp++);
}
return zero == 0;
}
static int
delta_compression(unsigned char *curr, unsigned char *prev, unsigned char *comp, int ds, int space)
{
int left = space;
int x = ds;
while (x > 0)
{
/* Count matching bytes */
int match = 0;
int diff = 0;
while (x > 0 && *curr == *prev)
{
curr++;
prev++;
match++;
x--;
}
/* Count different bytes */
while (x > 0 && *curr != *prev)
{
curr++;
prev++;
diff++;
x--;
}
while (diff > 0)
{
int exts;
int mini_diff = diff;
if (mini_diff > 8)
mini_diff = 8;
exts = (match+255-31)/255;
left -= 1 + mini_diff + exts;
if (left < 0)
return 0;
*comp++ = ((mini_diff-1)<<5) | (match < 31 ? match : 31);
if (exts > 0)
{
match -= 31;
while (--exts)
{
*comp++ = 255;
match -= 255;
}
*comp++ = match;
}
memcpy(comp, curr-diff, mini_diff);
comp += mini_diff;
match = 0;
diff -= mini_diff;
}
}
return space - left;
}
void
fz_write_pixmap_as_pcl(fz_context *ctx, fz_output *out, const fz_pixmap *pixmap, const fz_pcl_options *pcl)
{
fz_band_writer *writer;
if (!pixmap || !out)
return;
writer = fz_new_color_pcl_band_writer(ctx, out, pcl);
fz_try(ctx)
{
fz_write_header(ctx, writer, pixmap->w, pixmap->h, pixmap->n, pixmap->alpha, pixmap->xres, pixmap->yres, 0, pixmap->colorspace, pixmap->seps);
fz_write_band(ctx, writer, pixmap->stride, pixmap->h, pixmap->samples);
}
fz_always(ctx)
fz_drop_band_writer(ctx, writer);
fz_catch(ctx)
fz_rethrow(ctx);
}
typedef struct color_pcl_band_writer_s
{
fz_band_writer super;
fz_pcl_options options;
unsigned char *linebuf;
unsigned char compbuf[32768];
unsigned char compbuf2[32768];
} color_pcl_band_writer;
static void
color_pcl_write_header(fz_context *ctx, fz_band_writer *writer_, fz_colorspace *cs)
{
color_pcl_band_writer *writer = (color_pcl_band_writer *)writer_;
fz_output *out = writer->super.out;
int w = writer->super.w;
int h = writer->super.h;
int n = writer->super.n;
int s = writer->super.s;
int a = writer->super.alpha;
int xres = writer->super.xres;
int yres = writer->super.yres;
if (a != 0)
fz_throw(ctx, FZ_ERROR_GENERIC, "color PCL cannot write alpha channel");
if (s != 0)
fz_throw(ctx, FZ_ERROR_GENERIC, "color PCL cannot write spot colors");
if (n != 3)
fz_throw(ctx, FZ_ERROR_GENERIC, "color PCL must be RGB");
writer->linebuf = fz_malloc(ctx, w * 3 * 2);
guess_paper_size(&writer->options, w, h, xres, yres);
pcl_header(ctx, out, &writer->options, 1, xres, yres, w, h);
/* Raster presentation */
/* Print in orientation of the logical page */
fz_write_string(ctx, out, "\033&r0F");
/* Set color mode */
fz_write_data(ctx, out, "\033*v6W"
"\000" /* Colorspace 0 = Device RGB */
"\003" /* Pixel encoding mode: 3 = Direct by Pixel*/
"\000" /* Bits per index: 0 = no palette */
"\010" /* Red bits */
"\010" /* Green bits */
"\010", /* Blue bits */
11
);
/* Raster resolution */
/* Supposed to be strictly 75, 100, 150, 200, 300, 600 */
/* FIXME: xres vs yres */
fz_write_printf(ctx, out, "\033*t%dR", xres);
}
static void flush_if_not_room(fz_context *ctx, fz_output *out, const unsigned char *comp, int *fill, int len)
{
if (len + *fill >= 32767)
{
/* Can't fit any data, so flush */
fz_write_printf(ctx, out, "\033*b%dW", *fill);
fz_write_data(ctx, out, comp, *fill);
*fill = 0;
}
}
static void
color_pcl_compress_column(fz_context *ctx, color_pcl_band_writer *writer, const unsigned char *sp, int w, int h, int stride)
{
fz_output *out = writer->super.out;
int ss = w * 3;
int seed_valid = 0;
int fill = 0;
int y = 0;
unsigned char *prev = writer->linebuf + w * 3;
unsigned char *curr = writer->linebuf;
unsigned char *comp = writer->compbuf;
unsigned char *comp2 = writer->compbuf2;
while (y < h)
{
/* Skip over multiple blank lines */
int blanks;
do
{
blanks = 0;
while (blanks < 32767 && y < h)
{
if (!line_is_blank(curr, sp, w))
break;
blanks++;
y++;
}
if (blanks)
{
flush_if_not_room(ctx, out, comp, &fill, 3);
comp[fill++] = 4; /* Empty row */
comp[fill++] = blanks>>8;
comp[fill++] = blanks & 0xFF;
seed_valid = 0;
}
}
while (blanks == 32767);
if (y == h)
break;
/* So, at least 1 more line to copy, and it's in curr */
if (seed_valid && memcmp(curr, prev, ss) == 0)
{
int count = 1;
sp += stride;
y++;
while (count < 32767 && y < h)
{
if (memcmp(sp-stride, sp, ss) != 0)
break;
count++;
sp += stride;
y++;
}
flush_if_not_room(ctx, out, comp, &fill, 3);
comp[fill++] = 5; /* Duplicate row */
comp[fill++] = count>>8;
comp[fill++] = count & 0xFF;
}
else
{
unsigned char *tmp;
int len = 0;
/* Compress the line into our fixed buffer. */
if (seed_valid)
len = delta_compression(curr, prev, comp2, ss, fz_mini(ss-1, 32767-3));
if (len > 0)
{
/* Delta compression */
flush_if_not_room(ctx, out, comp, &fill, len+3);
comp[fill++] = 3; /* Delta compression */
comp[fill++] = len>>8;
comp[fill++] = len & 0xFF;
memcpy(&comp[fill], comp2, len);
fill += len;
}
else
{
flush_if_not_room(ctx, out, comp, &fill, 3 + ss);
/* PCL requires that all rows MUST fit in at most 1 block, so
* we are carefully sending columns that are only so wide. */
/* Unencoded */
/* Transfer Raster Data: ss+3 bytes, 0 = Unencoded, count high, count low */
comp[fill++] = 0;
comp[fill++] = ss>>8;
comp[fill++] = ss & 0xFF;
memcpy(&comp[fill], curr, ss);
fill += ss;
seed_valid = 1;
}
/* curr becomes prev */
tmp = prev; prev = curr; curr = tmp;
sp += stride;
y++;
}
}
/* And flush */
if (fill) {
fz_write_printf(ctx, out, "\033*b%dW", fill);
fz_write_data(ctx, out, comp, fill);
}
/* End Raster Graphics */
fz_write_string(ctx, out, "\033*rC");
}
static void
color_pcl_write_band(fz_context *ctx, fz_band_writer *writer_, int stride, int band_start, int band_height, const unsigned char *sp)
{
color_pcl_band_writer *writer = (color_pcl_band_writer *)writer_;
fz_output *out = writer->super.out;
int w = writer->super.w;
int h = writer->super.h;
int xres = writer->super.xres;
int cw;
int x;
if (!out)
return;
if (band_start+band_height >= h)
band_height = h - band_start;
/* We have to specify image output size in decipoints (720dpi).
* Most usual PCL resolutions are a multiple of 75.
* Pick our maximum column size to be 10800 = 15*720 = 144*75
* to give us good results. 10800 * 3 = 32400 < 32760 */
cw = 10800; /* Limited by how much rowdata we can send at once */
if (cw > w)
cw = w;
for (x = 0; x*cw < w; x++)
{
int col_w = w - cw*x;
if (col_w > cw)
col_w = cw;
/* Top left corner */
fz_write_printf(ctx, out, "\033*p%dx%dY", x*cw, band_start);
/* Raster height */
fz_write_printf(ctx, out, "\033*r%dT", band_height);
/* Raster width */
fz_write_printf(ctx, out, "\033*r%dS", col_w);
/* Destination height */
fz_write_printf(ctx, out, "\033*t%dV", band_height*720/xres);
/* Destination width */
fz_write_printf(ctx, out, "\033*t%dH", col_w*720/xres);
/* start raster graphics */
/* 1 = start at cursor position */
fz_write_string(ctx, out, "\033*r3A");
/* Now output the actual bitmap */
/* Adaptive Compression */
fz_write_string(ctx, out, "\033*b5M");
color_pcl_compress_column(ctx, writer, sp + x * cw * 3, col_w, band_height, stride);
}
}
static void
color_pcl_write_trailer(fz_context *ctx, fz_band_writer *writer_)
{
}
static void
color_pcl_drop_band_writer(fz_context *ctx, fz_band_writer *writer_)
{
color_pcl_band_writer *writer = (color_pcl_band_writer *)writer_;
fz_free(ctx, writer->linebuf);
}
fz_band_writer *fz_new_color_pcl_band_writer(fz_context *ctx, fz_output *out, const fz_pcl_options *options)
{
color_pcl_band_writer *writer = fz_new_band_writer(ctx, color_pcl_band_writer, out);
writer->super.header = color_pcl_write_header;
writer->super.band = color_pcl_write_band;
writer->super.trailer = color_pcl_write_trailer;
writer->super.drop = color_pcl_drop_band_writer;
if (options)
writer->options = *options;
else
fz_pcl_preset(ctx, &writer->options, "generic");
return &writer->super;
}
/*
* Mode 2 Row compression routine for the HP DeskJet & LaserJet IIp.
* Compresses data from row up to end_row, storing the result
* starting at out. Returns the number of bytes stored.
* Runs of K<=127 literal bytes are encoded as K-1 followed by
* the bytes; runs of 2<=K<=127 identical bytes are encoded as
* 257-K followed by the byte.
* In the worst case, the result is N+(N/127)+1 bytes long,
* where N is the original byte count (end_row - row).
*/
int
mode2compress(unsigned char *out, const unsigned char *in, int in_len)
{
int x;
int out_len = 0;
int run;
for (x = 0; x < in_len; x += run)
{
/* How far do we have to look to find a value that isn't repeated? */
for (run = 1; run < 127 && x+run < in_len; run++)
if (in[0] != in[run])
break;
if (run > 1)
{
/* We have a run of matching bytes */
out[out_len++] = 257-run;
out[out_len++] = in[0];
}
else
{
/* Now copy as many literals as possible. We only
* break the run at a length of 127, at the end,
* or where we have 3 repeated values. */
int i;
/* How many literals do we need to copy? */
for (; run < 127 && x+run+2 < in_len; run++)
if (in[run] == in[run+1] && in[run] == in[run+2])
break;
/* Don't leave stragglers at the end */
if (x + run + 2 >= in_len)
{
run = in_len - x;
if (run > 127)
run = 127;
}
out[out_len++] = run-1;
for (i = 0; i < run; i++)
{
out[out_len++] = in[i];
}
}
in += run;
}
return out_len;
}
/*
* Mode 3 compression routine for the HP LaserJet III family.
* Compresses bytecount bytes starting at current, storing the result
* in compressed, comparing against and updating previous.
* Returns the number of bytes stored. In the worst case,
* the number of bytes is bytecount+(bytecount/8)+1.
*/
int
mode3compress(unsigned char *out, const unsigned char *in, unsigned char *prev, int in_len)
{
unsigned char *compressed = out;
const unsigned char *cur = in;
const unsigned char *end = in + in_len;
while (cur < end) { /* Detect a maximum run of unchanged bytes. */
const unsigned char *run = cur;
const unsigned char *diff;
const unsigned char *stop;
int offset, cbyte;
while (cur < end && *cur == *prev) {
cur++, prev++;
}
if (cur == end)
break; /* rest of row is unchanged */
/* Detect a run of up to 8 changed bytes. */
/* We know that *cur != *prev. */
diff = cur;
stop = (end - cur > 8 ? cur + 8 : end);
do
{
*prev++ = *cur++;
}
while (cur < stop && *cur != *prev);
/* Now [run..diff) are unchanged, and */
/* [diff..cur) are changed. */
/* Generate the command byte(s). */
offset = diff - run;
cbyte = (cur - diff - 1) << 5;
if (offset < 31)
*out++ = cbyte + offset;
else {
*out++ = cbyte + 31;
offset -= 31;
while (offset >= 255)
*out++ = 255, offset -= 255;
*out++ = offset;
}
/* Copy the changed data. */
while (diff < cur)
*out++ = *diff++;
}
return out - compressed;
}
void
fz_write_bitmap_as_pcl(fz_context *ctx, fz_output *out, const fz_bitmap *bitmap, const fz_pcl_options *pcl)
{
fz_band_writer *writer;
if (!bitmap || !out)
return;
writer = fz_new_mono_pcl_band_writer(ctx, out, pcl);
fz_try(ctx)
{
fz_write_header(ctx, writer, bitmap->w, bitmap->h, 1, 0, bitmap->xres, bitmap->yres, 0, NULL, NULL);
fz_write_band(ctx, writer, bitmap->stride, bitmap->h, bitmap->samples);
}
fz_always(ctx)
fz_drop_band_writer(ctx, writer);
fz_catch(ctx)
fz_rethrow(ctx);
}
typedef struct mono_pcl_band_writer_s
{
fz_band_writer super;
fz_pcl_options options;
unsigned char *prev;
unsigned char *mode2buf;
unsigned char *mode3buf;
int top_of_page;
int num_blank_lines;
} mono_pcl_band_writer;
static void
mono_pcl_write_header(fz_context *ctx, fz_band_writer *writer_, fz_colorspace *cs)
{
mono_pcl_band_writer *writer = (mono_pcl_band_writer *)writer_;
fz_output *out = writer->super.out;
int w = writer->super.w;
int h = writer->super.h;
int xres = writer->super.xres;
int yres = writer->super.yres;
int line_size;
int max_mode_2_size;
int max_mode_3_size;
if (writer->super.alpha != 0)
fz_throw(ctx, FZ_ERROR_GENERIC, "mono PCL cannot write alpha channel");
if (writer->super.s != 0)
fz_throw(ctx, FZ_ERROR_GENERIC, "mono PCL cannot write spot colors");
if (writer->super.n != 1)
fz_throw(ctx, FZ_ERROR_GENERIC, "mono PCL must be grayscale");
line_size = (w + 7)/8;
max_mode_2_size = line_size + (line_size/127) + 1;
max_mode_3_size = line_size + (line_size/8) + 1;
writer->prev = fz_calloc(ctx, line_size, sizeof(unsigned char));
writer->mode2buf = fz_calloc(ctx, max_mode_2_size, sizeof(unsigned char));
writer->mode3buf = fz_calloc(ctx, max_mode_3_size, sizeof(unsigned char));
writer->num_blank_lines = 0;
writer->top_of_page = 1;
guess_paper_size(&writer->options, w, h, xres, yres);
if (writer->options.features & HACK__IS_A_OCE9050)
{
/* Enter HPGL/2 mode, begin plot, Initialise (start plot), Enter PCL mode */
fz_write_string(ctx, out, "\033%1BBPIN;\033%1A");
}
pcl_header(ctx, out, &writer->options, 1, xres, yres, w, h);
}
static void
mono_pcl_write_band(fz_context *ctx, fz_band_writer *writer_, int ss, int band_start, int band_height, const unsigned char *data)
{
mono_pcl_band_writer *writer = (mono_pcl_band_writer *)writer_;
fz_output *out = writer->super.out;
int w = writer->super.w;
int yres = writer->super.yres;
const unsigned char *out_data;
int y, rmask, line_size;
int num_blank_lines;
int compression = -1;
unsigned char *prev = NULL;
unsigned char *mode2buf = NULL;
unsigned char *mode3buf = NULL;
int out_count;
const fz_pcl_options *pcl;
if (!out)
return;
num_blank_lines = writer->num_blank_lines;
rmask = ~0 << (-w & 7);
line_size = (w + 7)/8;
prev = writer->prev;
mode2buf = writer->mode2buf;
mode3buf = writer->mode3buf;
pcl = &writer->options;
/* Transfer raster graphics. */
for (y = 0; y < band_height; y++, data += ss)
{
const unsigned char *end_data = data + line_size;
if ((end_data[-1] & rmask) == 0)
{
end_data--;
while (end_data > data && end_data[-1] == 0)
end_data--;
}
if (end_data == data)
{
/* Blank line */
num_blank_lines++;
continue;
}
/* We've reached a non-blank line. */
/* Put out a spacing command if necessary. */
if (writer->top_of_page)
{
writer->top_of_page = 0;
/* We're at the top of a page. */
if (pcl->features & PCL_ANY_SPACING)
{
if (num_blank_lines > 0)
fz_write_printf(ctx, out, "\033*p+%dY", num_blank_lines);
/* Start raster graphics. */
fz_write_string(ctx, out, "\033*r1A");
}
else if (pcl->features & PCL_MODE_3_COMPRESSION)
{
/* Start raster graphics. */
fz_write_string(ctx, out, "\033*r1A");
for (; num_blank_lines; num_blank_lines--)
fz_write_string(ctx, out, "\033*b0W");
}
else
{
/* Start raster graphics. */
fz_write_string(ctx, out, "\033*r1A");
for (; num_blank_lines; num_blank_lines--)
fz_write_string(ctx, out, "\033*bW");
}
}
/* Skip blank lines if any */
else if (num_blank_lines != 0)
{
/* Moving down from current position causes head
* motion on the DeskJet, so if the number of lines
* is small, we're better off printing blanks.
*
* For Canon LBP4i and some others, <ESC>*b<n>Y
* doesn't properly clear the seed row if we are in
* compression mode 3.
*/
if ((num_blank_lines < MIN_SKIP_LINES && compression != 3) ||
!(pcl->features & PCL_ANY_SPACING))
{
int mode_3ns = ((pcl->features & PCL_MODE_3_COMPRESSION) && !(pcl->features & PCL_ANY_SPACING));
if (mode_3ns && compression != 2)
{
/* Switch to mode 2 */
fz_write_string(ctx, out, from3to2);
compression = 2;
}
if (pcl->features & PCL_MODE_3_COMPRESSION)
{
/* Must clear the seed row. */
fz_write_string(ctx, out, "\033*b1Y");
num_blank_lines--;
}
if (mode_3ns)
{
for (; num_blank_lines; num_blank_lines--)
fz_write_string(ctx, out, "\033*b0W");
}
else
{
for (; num_blank_lines; num_blank_lines--)
fz_write_string(ctx, out, "\033*bW");
}
}
else if (pcl->features & PCL3_SPACING)
fz_write_printf(ctx, out, "\033*p+%dY", num_blank_lines * yres);
else
fz_write_printf(ctx, out, "\033*b%dY", num_blank_lines);
/* Clear the seed row (only matters for mode 3 compression). */
memset(prev, 0, line_size);
}
num_blank_lines = 0;
/* Choose the best compression mode for this particular line. */
if (pcl->features & PCL_MODE_3_COMPRESSION)
{
/* Compression modes 2 and 3 are both available. Try
* both and see which produces the least output data.
*/
int count3 = mode3compress(mode3buf, data, prev, line_size);
int count2 = mode2compress(mode2buf, data, line_size);
int penalty3 = (compression == 3 ? 0 : penalty_from2to3);
int penalty2 = (compression == 2 ? 0 : penalty_from3to2);
if (count3 + penalty3 < count2 + penalty2)
{
if (compression != 3)
fz_write_string(ctx, out, from2to3);
compression = 3;
out_data = (unsigned char *)mode3buf;
out_count = count3;
}
else
{
if (compression != 2)
fz_write_string(ctx, out, from3to2);
compression = 2;
out_data = (unsigned char *)mode2buf;
out_count = count2;
}
}
else if (pcl->features & PCL_MODE_2_COMPRESSION)
{
out_data = mode2buf;
out_count = mode2compress(mode2buf, data, line_size);
}
else
{
out_data = data;
out_count = line_size;
}
/* Transfer the data */
fz_write_printf(ctx, out, "\033*b%dW", out_count);
fz_write_data(ctx, out, out_data, out_count);
}
writer->num_blank_lines = num_blank_lines;
}
static void
mono_pcl_write_trailer(fz_context *ctx, fz_band_writer *writer_)
{
mono_pcl_band_writer *writer = (mono_pcl_band_writer *)writer_;
fz_output *out = writer->super.out;
/* end raster graphics and eject page */
fz_write_string(ctx, out, "\033*rB\f");
if (writer->options.features & HACK__IS_A_OCE9050)
{
/* Pen up, pen select, advance full page, reset */
fz_write_string(ctx, out, "\033%1BPUSP0PG;\033E");
}
}
static void
mono_pcl_drop_band_writer(fz_context *ctx, fz_band_writer *writer_)
{
mono_pcl_band_writer *writer = (mono_pcl_band_writer *)writer_;
fz_free(ctx, writer->prev);
fz_free(ctx, writer->mode2buf);
fz_free(ctx, writer->mode3buf);
}
fz_band_writer *fz_new_mono_pcl_band_writer(fz_context *ctx, fz_output *out, const fz_pcl_options *options)
{
mono_pcl_band_writer *writer = fz_new_band_writer(ctx, mono_pcl_band_writer, out);
writer->super.header = mono_pcl_write_header;
writer->super.band = mono_pcl_write_band;
writer->super.trailer = mono_pcl_write_trailer;
writer->super.drop = mono_pcl_drop_band_writer;
if (options)
writer->options = *options;
else
fz_pcl_preset(ctx, &writer->options, "generic");
return &writer->super;
}
void
fz_save_pixmap_as_pcl(fz_context *ctx, fz_pixmap *pixmap, char *filename, int append, const fz_pcl_options *pcl)
{
fz_output *out = fz_new_output_with_path(ctx, filename, append);
fz_try(ctx)
{
fz_write_pixmap_as_pcl(ctx, out, pixmap, pcl);
fz_close_output(ctx, out);
}
fz_always(ctx)
fz_drop_output(ctx, out);
fz_catch(ctx)
fz_rethrow(ctx);
}
void
fz_save_bitmap_as_pcl(fz_context *ctx, fz_bitmap *bitmap, char *filename, int append, const fz_pcl_options *pcl)
{
fz_output *out = fz_new_output_with_path(ctx, filename, append);
fz_try(ctx)
{
fz_write_bitmap_as_pcl(ctx, out, bitmap, pcl);
fz_close_output(ctx, out);
}
fz_always(ctx)
fz_drop_output(ctx, out);
fz_catch(ctx)
fz_rethrow(ctx);
}
/* High-level document writer interface */
typedef struct fz_pcl_writer_s fz_pcl_writer;
struct fz_pcl_writer_s
{
fz_document_writer super;
fz_draw_options draw;
fz_pcl_options pcl;
fz_pixmap *pixmap;
int mono;
fz_output *out;
};
static fz_device *
pcl_begin_page(fz_context *ctx, fz_document_writer *wri_, fz_rect mediabox)
{
fz_pcl_writer *wri = (fz_pcl_writer*)wri_;
return fz_new_draw_device_with_options(ctx, &wri->draw, mediabox, &wri->pixmap);
}
static void
pcl_end_page(fz_context *ctx, fz_document_writer *wri_, fz_device *dev)
{
fz_pcl_writer *wri = (fz_pcl_writer*)wri_;
fz_bitmap *bitmap = NULL;
fz_var(bitmap);
fz_try(ctx)
{
fz_close_device(ctx, dev);
if (wri->mono)
{
bitmap = fz_new_bitmap_from_pixmap(ctx, wri->pixmap, NULL);
fz_write_bitmap_as_pcl(ctx, wri->out, bitmap, &wri->pcl);
}
else
{
fz_write_pixmap_as_pcl(ctx, wri->out, wri->pixmap, &wri->pcl);
}
}
fz_always(ctx)
{
fz_drop_device(ctx, dev);
fz_drop_bitmap(ctx, bitmap);
fz_drop_pixmap(ctx, wri->pixmap);
wri->pixmap = NULL;
}
fz_catch(ctx)
fz_rethrow(ctx);
}
static void
pcl_close_writer(fz_context *ctx, fz_document_writer *wri_)
{
fz_pcl_writer *wri = (fz_pcl_writer*)wri_;
fz_close_output(ctx, wri->out);
}
static void
pcl_drop_writer(fz_context *ctx, fz_document_writer *wri_)
{
fz_pcl_writer *wri = (fz_pcl_writer*)wri_;
fz_drop_pixmap(ctx, wri->pixmap);
fz_drop_output(ctx, wri->out);
}
fz_document_writer *
fz_new_pcl_writer_with_output(fz_context *ctx, fz_output *out, const char *options)
{
fz_pcl_writer *wri = fz_new_derived_document_writer(ctx, fz_pcl_writer, pcl_begin_page, pcl_end_page, pcl_close_writer, pcl_drop_writer);
const char *val;
fz_try(ctx)
{
fz_parse_draw_options(ctx, &wri->draw, options);
fz_parse_pcl_options(ctx, &wri->pcl, options);
if (fz_has_option(ctx, options, "colorspace", &val))
if (fz_option_eq(val, "mono"))
wri->mono = 1;
wri->out = out;
}
fz_catch(ctx)
{
fz_free(ctx, wri);
fz_rethrow(ctx);
}
return (fz_document_writer*)wri;
}
fz_document_writer *
fz_new_pcl_writer(fz_context *ctx, const char *path, const char *options)
{
fz_output *out = fz_new_output_with_path(ctx, path ? path : "out.pcl", 0);
fz_document_writer *wri = NULL;
fz_try(ctx)
wri = fz_new_pcl_writer_with_output(ctx, out, options);
fz_catch(ctx)
{
fz_drop_output(ctx, out);
fz_rethrow(ctx);
}
return wri;
}
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