cups/filter/rastertopwg.c

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/*
* CUPS raster to PWG raster format filter for CUPS.
*
* Copyright © 2011, 2014-2017 Apple Inc.
*
* Licensed under Apache License v2.0. See the file "LICENSE" for more
* information.
*/
/*
* Include necessary headers...
*/
#include <cups/cups-private.h>
#include <cups/ppd-private.h>
#include <cups/raster.h>
#include <unistd.h>
#include <fcntl.h>
/*
* 'main()' - Main entry for filter.
*/
int /* O - Exit status */
main(int argc, /* I - Number of command-line args */
char *argv[]) /* I - Command-line arguments */
{
const char *final_content_type;
/* FINAL_CONTENT_TYPE env var */
int fd; /* Raster file */
cups_raster_t *inras, /* Input raster stream */
*outras; /* Output raster stream */
cups_page_header2_t inheader, /* Input raster page header */
outheader; /* Output raster page header */
unsigned y; /* Current line */
unsigned char *line; /* Line buffer */
unsigned page = 0, /* Current page */
page_width, /* Actual page width */
page_height, /* Actual page height */
page_top, /* Top margin */
page_bottom, /* Bottom margin */
page_left, /* Left margin */
page_right, /* Right margin */
linesize, /* Bytes per line */
lineoffset; /* Offset into line */
int tmp;
unsigned char white; /* White pixel */
ppd_file_t *ppd; /* PPD file */
ppd_attr_t *back; /* cupsBackSide attribute */
_ppd_cache_t *cache; /* PPD cache */
pwg_size_t *pwg_size; /* PWG media size */
pwg_media_t *pwg_media; /* PWG media name */
int num_options; /* Number of options */
cups_option_t *options = NULL;/* Options */
const char *val; /* Option value */
if (argc != 6 && argc != 7)
{
puts("Usage: rastertopwg job user title copies options [filename]");
return (1);
}
else if (argc == 7)
{
if ((fd = open(argv[6], O_RDONLY)) < 0)
{
perror("ERROR: Unable to open print file");
return (1);
}
}
else
fd = 0;
if ((final_content_type = getenv("FINAL_CONTENT_TYPE")) == NULL)
final_content_type = "image/pwg-raster";
inras = cupsRasterOpen(fd, CUPS_RASTER_READ);
outras = cupsRasterOpen(1, !strcmp(final_content_type, "image/pwg-raster") ? CUPS_RASTER_WRITE_PWG : CUPS_RASTER_WRITE_APPLE);
ppd = ppdOpenFile(getenv("PPD"));
back = ppdFindAttr(ppd, "cupsBackSide", NULL);
num_options = cupsParseOptions(argv[5], 0, &options);
ppdMarkDefaults(ppd);
cupsMarkOptions(ppd, num_options, options);
cache = ppd ? ppd->cache : NULL;
while (cupsRasterReadHeader2(inras, &inheader))
{
/*
* Show page device dictionary...
*/
fprintf(stderr, "DEBUG: Duplex = %d\n", inheader.Duplex);
fprintf(stderr, "DEBUG: HWResolution = [ %d %d ]\n", inheader.HWResolution[0], inheader.HWResolution[1]);
fprintf(stderr, "DEBUG: ImagingBoundingBox = [ %d %d %d %d ]\n", inheader.ImagingBoundingBox[0], inheader.ImagingBoundingBox[1], inheader.ImagingBoundingBox[2], inheader.ImagingBoundingBox[3]);
fprintf(stderr, "DEBUG: Margins = [ %d %d ]\n", inheader.Margins[0], inheader.Margins[1]);
fprintf(stderr, "DEBUG: ManualFeed = %d\n", inheader.ManualFeed);
fprintf(stderr, "DEBUG: MediaPosition = %d\n", inheader.MediaPosition);
fprintf(stderr, "DEBUG: NumCopies = %d\n", inheader.NumCopies);
fprintf(stderr, "DEBUG: Orientation = %d\n", inheader.Orientation);
fprintf(stderr, "DEBUG: PageSize = [ %d %d ]\n", inheader.PageSize[0], inheader.PageSize[1]);
fprintf(stderr, "DEBUG: cupsWidth = %d\n", inheader.cupsWidth);
fprintf(stderr, "DEBUG: cupsHeight = %d\n", inheader.cupsHeight);
fprintf(stderr, "DEBUG: cupsMediaType = %d\n", inheader.cupsMediaType);
fprintf(stderr, "DEBUG: cupsBitsPerColor = %d\n", inheader.cupsBitsPerColor);
fprintf(stderr, "DEBUG: cupsBitsPerPixel = %d\n", inheader.cupsBitsPerPixel);
fprintf(stderr, "DEBUG: cupsBytesPerLine = %d\n", inheader.cupsBytesPerLine);
fprintf(stderr, "DEBUG: cupsColorOrder = %d\n", inheader.cupsColorOrder);
fprintf(stderr, "DEBUG: cupsColorSpace = %d\n", inheader.cupsColorSpace);
fprintf(stderr, "DEBUG: cupsCompression = %d\n", inheader.cupsCompression);
/*
* Compute the real raster size...
*/
page ++;
fprintf(stderr, "PAGE: %d %d\n", page, inheader.NumCopies);
page_width = (unsigned)(inheader.cupsPageSize[0] * inheader.HWResolution[0] / 72.0);
if (page_width < inheader.cupsWidth &&
page_width >= inheader.cupsWidth - 1)
page_width = (unsigned)inheader.cupsWidth;
page_height = (unsigned)(inheader.cupsPageSize[1] * inheader.HWResolution[1] / 72.0);
if (page_height < inheader.cupsHeight &&
page_height >= inheader.cupsHeight - 1)
page_height = (unsigned)inheader.cupsHeight;
page_left = (unsigned)(inheader.cupsImagingBBox[0] * inheader.HWResolution[0] / 72.0);
page_bottom = (unsigned)(inheader.cupsImagingBBox[1] * inheader.HWResolution[1] / 72.0);
tmp = (int)(page_height - page_bottom - inheader.cupsHeight);
if (tmp < 0 && tmp >= -1) /* Rounding error */
page_top = 0;
else
page_top = (unsigned)tmp;
tmp = (int)(page_width - page_left - inheader.cupsWidth);
if (tmp < 0 && tmp >= -1) /* Rounding error */
page_right = 0;
else
page_right = (unsigned)tmp;
linesize = (page_width * inheader.cupsBitsPerPixel + 7) / 8;
lineoffset = page_left * inheader.cupsBitsPerPixel / 8; /* Round down */
fprintf(stderr, "DEBUG: In pixels: Width: %u Height: %u Left: %u Right: %u Top: %u Bottom: %u\n", page_width, page_height, page_left, page_right, page_top, page_bottom);
if (page_left > page_width || page_top > page_height || page_bottom > page_height || page_right > page_width)
{
_cupsLangPrintFilter(stderr, "ERROR", _("Unsupported raster data."));
fprintf(stderr, "DEBUG: Bad bottom/left/top margin on page %d.\n", page);
return (1);
}
if (inheader.cupsColorOrder != CUPS_ORDER_CHUNKED)
{
_cupsLangPrintFilter(stderr, "ERROR", _("Unsupported raster data."));
fprintf(stderr, "DEBUG: Unsupported cupsColorOrder %d on page %d.\n",
inheader.cupsColorOrder, page);
return (1);
}
if (inheader.cupsBitsPerPixel != 1 &&
inheader.cupsBitsPerColor != 8 && inheader.cupsBitsPerColor != 16)
{
_cupsLangPrintFilter(stderr, "ERROR", _("Unsupported raster data."));
fprintf(stderr, "DEBUG: Unsupported cupsBitsPerColor %d on page %d.\n",
inheader.cupsBitsPerColor, page);
return (1);
}
switch (inheader.cupsColorSpace)
{
case CUPS_CSPACE_W :
case CUPS_CSPACE_RGB :
case CUPS_CSPACE_SW :
case CUPS_CSPACE_SRGB :
case CUPS_CSPACE_ADOBERGB :
white = 255;
break;
case CUPS_CSPACE_K :
case CUPS_CSPACE_CMYK :
case CUPS_CSPACE_DEVICE1 :
case CUPS_CSPACE_DEVICE2 :
case CUPS_CSPACE_DEVICE3 :
case CUPS_CSPACE_DEVICE4 :
case CUPS_CSPACE_DEVICE5 :
case CUPS_CSPACE_DEVICE6 :
case CUPS_CSPACE_DEVICE7 :
case CUPS_CSPACE_DEVICE8 :
case CUPS_CSPACE_DEVICE9 :
case CUPS_CSPACE_DEVICEA :
case CUPS_CSPACE_DEVICEB :
case CUPS_CSPACE_DEVICEC :
case CUPS_CSPACE_DEVICED :
case CUPS_CSPACE_DEVICEE :
case CUPS_CSPACE_DEVICEF :
white = 0;
break;
default :
_cupsLangPrintFilter(stderr, "ERROR", _("Unsupported raster data."));
fprintf(stderr, "DEBUG: Unsupported cupsColorSpace %d on page %d.\n",
inheader.cupsColorSpace, page);
return (1);
}
memcpy(&outheader, &inheader, sizeof(outheader));
outheader.cupsWidth = page_width;
outheader.cupsHeight = page_height;
outheader.cupsBytesPerLine = linesize;
outheader.cupsInteger[14] = 0; /* VendorIdentifier */
outheader.cupsInteger[15] = 0; /* VendorLength */
if ((val = cupsGetOption("print-content-optimize", num_options,
options)) != NULL)
{
if (!strcmp(val, "automatic"))
strlcpy(outheader.OutputType, "Automatic",
sizeof(outheader.OutputType));
else if (!strcmp(val, "graphics"))
strlcpy(outheader.OutputType, "Graphics", sizeof(outheader.OutputType));
else if (!strcmp(val, "photo"))
strlcpy(outheader.OutputType, "Photo", sizeof(outheader.OutputType));
else if (!strcmp(val, "text"))
strlcpy(outheader.OutputType, "Text", sizeof(outheader.OutputType));
else if (!strcmp(val, "text-and-graphics"))
strlcpy(outheader.OutputType, "TextAndGraphics",
sizeof(outheader.OutputType));
else
{
fputs("DEBUG: Unsupported print-content-optimize value.\n", stderr);
outheader.OutputType[0] = '\0';
}
}
if ((val = cupsGetOption("print-quality", num_options, options)) != NULL)
{
unsigned quality = (unsigned)atoi(val); /* print-quality value */
if (quality >= IPP_QUALITY_DRAFT && quality <= IPP_QUALITY_HIGH)
outheader.cupsInteger[8] = quality;
else
{
fprintf(stderr, "DEBUG: Unsupported print-quality %d.\n", quality);
outheader.cupsInteger[8] = 0;
}
}
if ((val = cupsGetOption("print-rendering-intent", num_options,
options)) != NULL)
{
if (!strcmp(val, "absolute"))
strlcpy(outheader.cupsRenderingIntent, "Absolute",
sizeof(outheader.cupsRenderingIntent));
else if (!strcmp(val, "automatic"))
strlcpy(outheader.cupsRenderingIntent, "Automatic",
sizeof(outheader.cupsRenderingIntent));
else if (!strcmp(val, "perceptual"))
strlcpy(outheader.cupsRenderingIntent, "Perceptual",
sizeof(outheader.cupsRenderingIntent));
else if (!strcmp(val, "relative"))
strlcpy(outheader.cupsRenderingIntent, "Relative",
sizeof(outheader.cupsRenderingIntent));
else if (!strcmp(val, "relative-bpc"))
strlcpy(outheader.cupsRenderingIntent, "RelativeBpc",
sizeof(outheader.cupsRenderingIntent));
else if (!strcmp(val, "saturation"))
strlcpy(outheader.cupsRenderingIntent, "Saturation",
sizeof(outheader.cupsRenderingIntent));
else
{
fputs("DEBUG: Unsupported print-rendering-intent value.\n", stderr);
outheader.cupsRenderingIntent[0] = '\0';
}
}
if (inheader.cupsPageSizeName[0] && (pwg_size = _ppdCacheGetSize(cache, inheader.cupsPageSizeName)) != NULL && pwg_size->map.pwg)
{
strlcpy(outheader.cupsPageSizeName, pwg_size->map.pwg,
sizeof(outheader.cupsPageSizeName));
}
else
{
pwg_media = pwgMediaForSize((int)(2540.0 * inheader.cupsPageSize[0] / 72.0),
(int)(2540.0 * inheader.cupsPageSize[1] / 72.0));
if (pwg_media)
strlcpy(outheader.cupsPageSizeName, pwg_media->pwg,
sizeof(outheader.cupsPageSizeName));
else
{
fprintf(stderr, "DEBUG: Unsupported PageSize %.2fx%.2f.\n",
inheader.cupsPageSize[0], inheader.cupsPageSize[1]);
outheader.cupsPageSizeName[0] = '\0';
}
}
if (inheader.Duplex && !(page & 1) &&
back && _cups_strcasecmp(back->value, "Normal"))
{
if (_cups_strcasecmp(back->value, "Flipped"))
{
if (inheader.Tumble)
{
outheader.cupsInteger[1] = ~0U;/* CrossFeedTransform */
outheader.cupsInteger[2] = 1; /* FeedTransform */
outheader.cupsInteger[3] = page_right;
/* ImageBoxLeft */
outheader.cupsInteger[4] = page_top;
/* ImageBoxTop */
outheader.cupsInteger[5] = page_width - page_left;
/* ImageBoxRight */
outheader.cupsInteger[6] = page_height - page_bottom;
/* ImageBoxBottom */
}
else
{
outheader.cupsInteger[1] = 1; /* CrossFeedTransform */
outheader.cupsInteger[2] = ~0U;/* FeedTransform */
outheader.cupsInteger[3] = page_left;
/* ImageBoxLeft */
outheader.cupsInteger[4] = page_bottom;
/* ImageBoxTop */
outheader.cupsInteger[5] = page_left + inheader.cupsWidth;
/* ImageBoxRight */
outheader.cupsInteger[6] = page_height - page_top;
/* ImageBoxBottom */
}
}
else if (_cups_strcasecmp(back->value, "ManualTumble"))
{
if (inheader.Tumble)
{
outheader.cupsInteger[1] = ~0U;/* CrossFeedTransform */
outheader.cupsInteger[2] = ~0U;/* FeedTransform */
outheader.cupsInteger[3] = page_width - page_left -
inheader.cupsWidth;
/* ImageBoxLeft */
outheader.cupsInteger[4] = page_bottom;
/* ImageBoxTop */
outheader.cupsInteger[5] = page_width - page_left;
/* ImageBoxRight */
outheader.cupsInteger[6] = page_height - page_top;
/* ImageBoxBottom */
}
else
{
outheader.cupsInteger[1] = 1; /* CrossFeedTransform */
outheader.cupsInteger[2] = 1; /* FeedTransform */
outheader.cupsInteger[3] = page_left;
/* ImageBoxLeft */
outheader.cupsInteger[4] = page_top;
/* ImageBoxTop */
outheader.cupsInteger[5] = page_left + inheader.cupsWidth;
/* ImageBoxRight */
outheader.cupsInteger[6] = page_height - page_bottom;
/* ImageBoxBottom */
}
}
else if (_cups_strcasecmp(back->value, "Rotated"))
{
if (inheader.Tumble)
{
outheader.cupsInteger[1] = ~0U;/* CrossFeedTransform */
outheader.cupsInteger[2] = ~0U;/* FeedTransform */
outheader.cupsInteger[3] = page_right;
/* ImageBoxLeft */
outheader.cupsInteger[4] = page_bottom;
/* ImageBoxTop */
outheader.cupsInteger[5] = page_width - page_left;
/* ImageBoxRight */
outheader.cupsInteger[6] = page_height - page_top;
/* ImageBoxBottom */
}
else
{
outheader.cupsInteger[1] = 1; /* CrossFeedTransform */
outheader.cupsInteger[2] = 1; /* FeedTransform */
outheader.cupsInteger[3] = page_left;
/* ImageBoxLeft */
outheader.cupsInteger[4] = page_top;
/* ImageBoxTop */
outheader.cupsInteger[5] = page_left + inheader.cupsWidth;
/* ImageBoxRight */
outheader.cupsInteger[6] = page_height - page_bottom;
/* ImageBoxBottom */
}
}
else
{
/*
* Unsupported value...
*/
fputs("DEBUG: Unsupported cupsBackSide value.\n", stderr);
outheader.cupsInteger[1] = 1; /* CrossFeedTransform */
outheader.cupsInteger[2] = 1; /* FeedTransform */
outheader.cupsInteger[3] = page_left;
/* ImageBoxLeft */
outheader.cupsInteger[4] = page_top;
/* ImageBoxTop */
outheader.cupsInteger[5] = page_left + inheader.cupsWidth;
/* ImageBoxRight */
outheader.cupsInteger[6] = page_height - page_bottom;
/* ImageBoxBottom */
}
}
else
{
outheader.cupsInteger[1] = 1; /* CrossFeedTransform */
outheader.cupsInteger[2] = 1; /* FeedTransform */
outheader.cupsInteger[3] = page_left;
/* ImageBoxLeft */
outheader.cupsInteger[4] = page_top;
/* ImageBoxTop */
outheader.cupsInteger[5] = page_left + inheader.cupsWidth;
/* ImageBoxRight */
outheader.cupsInteger[6] = page_height - page_bottom;
/* ImageBoxBottom */
}
if (!cupsRasterWriteHeader2(outras, &outheader))
{
_cupsLangPrintFilter(stderr, "ERROR", _("Error sending raster data."));
fprintf(stderr, "DEBUG: Unable to write header for page %d.\n", page);
return (1);
}
/*
* Copy raster data...
*/
if (linesize < inheader.cupsBytesPerLine)
linesize = inheader.cupsBytesPerLine;
if ((lineoffset + inheader.cupsBytesPerLine) > linesize)
lineoffset = linesize - inheader.cupsBytesPerLine;
line = malloc(linesize);
memset(line, white, linesize);
for (y = page_top; y > 0; y --)
if (!cupsRasterWritePixels(outras, line, outheader.cupsBytesPerLine))
{
_cupsLangPrintFilter(stderr, "ERROR", _("Error sending raster data."));
fprintf(stderr, "DEBUG: Unable to write line %d for page %d.\n",
page_top - y + 1, page);
return (1);
}
for (y = inheader.cupsHeight; y > 0; y --)
{
if (cupsRasterReadPixels(inras, line + lineoffset, inheader.cupsBytesPerLine) != inheader.cupsBytesPerLine)
{
_cupsLangPrintFilter(stderr, "ERROR", _("Error reading raster data."));
fprintf(stderr, "DEBUG: Unable to read line %d for page %d.\n",
inheader.cupsHeight - y + page_top + 1, page);
return (1);
}
if (!cupsRasterWritePixels(outras, line, outheader.cupsBytesPerLine))
{
_cupsLangPrintFilter(stderr, "ERROR", _("Error sending raster data."));
fprintf(stderr, "DEBUG: Unable to write line %d for page %d.\n",
inheader.cupsHeight - y + page_top + 1, page);
return (1);
}
}
memset(line, white, linesize);
for (y = page_bottom; y > 0; y --)
if (!cupsRasterWritePixels(outras, line, outheader.cupsBytesPerLine))
{
_cupsLangPrintFilter(stderr, "ERROR", _("Error sending raster data."));
fprintf(stderr, "DEBUG: Unable to write line %d for page %d.\n",
page_bottom - y + page_top + inheader.cupsHeight + 1, page);
return (1);
}
free(line);
}
cupsRasterClose(inras);
if (fd)
close(fd);
cupsRasterClose(outras);
return (0);
}