/*
- * "$Id: pstops.c 6649 2007-07-11 21:46:42Z mike $"
+ * "$Id: pstops.c 7006 2007-10-04 17:43:38Z mike $"
*
* PostScript filter for the Common UNIX Printing System (CUPS).
*
- * Copyright 2007 by Apple Inc.
+ * Copyright 2007-2008 by Apple Inc.
* Copyright 1993-2007 by Easy Software Products.
*
* These coded instructions, statements, and computer programs are the
*
* main() - Main entry...
* add_page() - Add a page to the pages array...
+ * cancel_job() - Flag the job as canceled.
* check_range() - Check to see if the current page is selected for
* copy_bytes() - Copy bytes from the input file to stdout...
* copy_comments() - Copy all of the comments section...
#include <cups/file.h>
#include <cups/array.h>
#include <cups/i18n.h>
+#include <signal.h>
/*
((p) % doc->number_up) != 0)
+/*
+ * Local globals...
+ */
+
+static int JobCanceled = 0;/* Set to 1 on SIGTERM */
+
+
/*
* Local functions...
*/
static pstops_page_t *add_page(pstops_doc_t *doc, const char *label);
+static void cancel_job(int sig);
static int check_range(pstops_doc_t *doc, int page);
static void copy_bytes(cups_file_t *fp, off_t offset,
size_t length);
-static size_t copy_comments(cups_file_t *fp, pstops_doc_t *doc,
+static ssize_t copy_comments(cups_file_t *fp, pstops_doc_t *doc,
ppd_file_t *ppd, char *line,
- size_t linelen, size_t linesize);
+ ssize_t linelen, size_t linesize);
static void copy_dsc(cups_file_t *fp, pstops_doc_t *doc,
- ppd_file_t *ppd, char *line, size_t linelen,
+ ppd_file_t *ppd, char *line, ssize_t linelen,
size_t linesize);
static void copy_non_dsc(cups_file_t *fp, pstops_doc_t *doc,
ppd_file_t *ppd, char *line,
- size_t linelen, size_t linesize);
-static size_t copy_page(cups_file_t *fp, pstops_doc_t *doc,
+ ssize_t linelen, size_t linesize);
+static ssize_t copy_page(cups_file_t *fp, pstops_doc_t *doc,
ppd_file_t *ppd, int number, char *line,
- size_t linelen, size_t linesize);
-static size_t copy_prolog(cups_file_t *fp, pstops_doc_t *doc,
+ ssize_t linelen, size_t linesize);
+static ssize_t copy_prolog(cups_file_t *fp, pstops_doc_t *doc,
ppd_file_t *ppd, char *line,
- size_t linelen, size_t linesize);
-static size_t copy_setup(cups_file_t *fp, pstops_doc_t *doc,
+ ssize_t linelen, size_t linesize);
+static ssize_t copy_setup(cups_file_t *fp, pstops_doc_t *doc,
ppd_file_t *ppd, char *line,
- size_t linelen, size_t linesize);
-static size_t copy_trailer(cups_file_t *fp, pstops_doc_t *doc,
+ ssize_t linelen, size_t linesize);
+static ssize_t copy_trailer(cups_file_t *fp, pstops_doc_t *doc,
ppd_file_t *ppd, int number, char *line,
- size_t linelen, size_t linesize);
+ ssize_t linelen, size_t linesize);
static void do_prolog(pstops_doc_t *doc, ppd_file_t *ppd);
static void do_setup(pstops_doc_t *doc, ppd_file_t *ppd);
static void doc_printf(pstops_doc_t *doc, const char *format, ...)
static void set_pstops_options(pstops_doc_t *doc, ppd_file_t *ppd,
char *argv[], int num_options,
cups_option_t *options);
-static size_t skip_page(cups_file_t *fp, char *line, size_t linelen,
+static ssize_t skip_page(cups_file_t *fp, char *line, ssize_t linelen,
size_t linesize);
static void start_nup(pstops_doc_t *doc, int number,
int show_border, const int *bounding_box);
cups_option_t *options; /* Print options */
char line[8192]; /* Line buffer */
size_t len; /* Length of line buffer */
+#if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET)
+ struct sigaction action; /* Actions for POSIX signals */
+#endif /* HAVE_SIGACTION && !HAVE_SIGSET */
/*
return (1);
}
+ /*
+ * Register a signal handler to cleanly cancel a job.
+ */
+
+#ifdef HAVE_SIGSET /* Use System V signals over POSIX to avoid bugs */
+ sigset(SIGTERM, cancel_job);
+#elif defined(HAVE_SIGACTION)
+ memset(&action, 0, sizeof(action));
+
+ sigemptyset(&action.sa_mask);
+ action.sa_handler = cancel_job;
+ sigaction(SIGTERM, &action, NULL);
+#else
+ signal(SIGTERM, cancel_job);
+#endif /* HAVE_SIGSET */
+
/*
* If we have 7 arguments, print the file named on the command-line.
* Otherwise, send stdin instead...
}
+/*
+ * 'cancel_job()' - Flag the job as canceled.
+ */
+
+static void
+cancel_job(int sig) /* I - Signal number (unused) */
+{
+ (void)sig;
+
+ JobCanceled = 1;
+}
+
+
/*
* 'check_range()' - Check to see if the current page is selected for
* printing.
* On return, "line" will contain the next line in the file, if any.
*/
-static size_t /* O - Length of next line */
+static ssize_t /* O - Length of next line */
copy_comments(cups_file_t *fp, /* I - File to read from */
pstops_doc_t *doc, /* I - Document info */
ppd_file_t *ppd, /* I - PPD file */
char *line, /* I - Line buffer */
- size_t linelen, /* I - Length of initial line */
+ ssize_t linelen, /* I - Length of initial line */
size_t linesize) /* I - Size of line buffer */
{
int saw_bounding_box, /* Saw %%BoundingBox: comment? */
pstops_doc_t *doc, /* I - Document info */
ppd_file_t *ppd, /* I - PPD file */
char *line, /* I - Line buffer */
- size_t linelen, /* I - Length of initial line */
+ ssize_t linelen, /* I - Length of initial line */
size_t linesize) /* I - Size of line buffer */
{
int number; /* Page number */
fprintf(stderr, "DEBUG: Before page loop - %s", line);
while (!strncmp(line, "%%Page:", 7))
{
+ if (JobCanceled)
+ break;
+
number ++;
if (check_range(doc, (number - 1) / doc->number_up + 1))
* Finish up the last page(s)...
*/
- if (number && is_not_last_page(number) && cupsArrayLast(doc->pages))
+ if (number && is_not_last_page(number) && cupsArrayLast(doc->pages) &&
+ check_range(doc, (number - 1) / doc->number_up + 1))
{
pageinfo = (pstops_page_t *)cupsArrayLast(doc->pages);
number = doc->slow_order ? 0 : doc->page;
- if (doc->temp)
+ if (doc->temp && !JobCanceled && cupsArrayCount(doc->pages) > 0)
{
int copy; /* Current copy */
* Make the copies...
*/
- for (copy = !doc->slow_order; copy < doc->copies; copy ++)
+ if (doc->slow_collate)
+ copy = !doc->slow_order;
+ else
+ copy = doc->copies - 1;
+
+ for (; copy < doc->copies; copy ++)
{
+ if (JobCanceled)
+ break;
+
/*
* Send end-of-job stuff followed by any start-of-job stuff required
* for the JCL options...
while (pageinfo)
{
+ if (JobCanceled)
+ break;
+
number ++;
if (!ppd || !ppd->num_filters)
- fprintf(stderr, "PAGE: %d 1\n", number);
+ fprintf(stderr, "PAGE: %d %d\n", number,
+ doc->slow_collate ? 1 : doc->copies);
if (doc->number_up > 1)
{
* Write/copy the trailer...
*/
- linelen = copy_trailer(fp, doc, ppd, number, line, linelen, linesize);
+ if (!JobCanceled)
+ linelen = copy_trailer(fp, doc, ppd, number, line, linelen, linesize);
}
pstops_doc_t *doc, /* I - Document info */
ppd_file_t *ppd, /* I - PPD file */
char *line, /* I - Line buffer */
- size_t linelen, /* I - Length of initial line */
+ ssize_t linelen, /* I - Length of initial line */
size_t linesize) /* I - Size of line buffer */
{
int copy; /* Current copy */
puts("ESPshowpage");
}
- if (doc->temp)
+ if (doc->temp && !JobCanceled)
{
/*
* Reopen the temporary file for reading...
for (copy = 1; copy < doc->copies; copy ++)
{
+ if (JobCanceled)
+ break;
+
if (!ppd || !ppd->num_filters)
fputs("PAGE: 1 1\n", stderr);
* On return, "line" will contain the next line in the file, if any.
*/
-static size_t /* O - Length of next line */
+static ssize_t /* O - Length of next line */
copy_page(cups_file_t *fp, /* I - File to read from */
pstops_doc_t *doc, /* I - Document info */
ppd_file_t *ppd, /* I - PPD file */
int number, /* I - Current page number */
char *line, /* I - Line buffer */
- size_t linelen, /* I - Length of initial line */
+ ssize_t linelen, /* I - Length of initial line */
size_t linesize) /* I - Size of line buffer */
{
char label[256], /* Page label string */
* On return, "line" will contain the next line in the file, if any.
*/
-static size_t /* O - Length of next line */
+static ssize_t /* O - Length of next line */
copy_prolog(cups_file_t *fp, /* I - File to read from */
pstops_doc_t *doc, /* I - Document info */
ppd_file_t *ppd, /* I - PPD file */
char *line, /* I - Line buffer */
- size_t linelen, /* I - Length of initial line */
+ ssize_t linelen, /* I - Length of initial line */
size_t linesize) /* I - Size of line buffer */
{
while (strncmp(line, "%%BeginProlog", 13))
* On return, "line" will contain the next line in the file, if any.
*/
-static size_t /* O - Length of next line */
+static ssize_t /* O - Length of next line */
copy_setup(cups_file_t *fp, /* I - File to read from */
pstops_doc_t *doc, /* I - Document info */
ppd_file_t *ppd, /* I - PPD file */
char *line, /* I - Line buffer */
- size_t linelen, /* I - Length of initial line */
+ ssize_t linelen, /* I - Length of initial line */
size_t linesize) /* I - Size of line buffer */
{
while (strncmp(line, "%%BeginSetup", 12))
* On return, "line" will contain the next line in the file, if any.
*/
-static size_t /* O - Length of next line */
+static ssize_t /* O - Length of next line */
copy_trailer(cups_file_t *fp, /* I - File to read from */
pstops_doc_t *doc, /* I - Document info */
ppd_file_t *ppd, /* I - PPD file */
int number, /* I - Number of pages */
char *line, /* I - Line buffer */
- size_t linelen, /* I - Length of initial line */
+ ssize_t linelen, /* I - Length of initial line */
size_t linesize) /* I - Size of line buffer */
{
/*
* 'skip_page()' - Skip past a page that won't be printed...
*/
-static size_t /* O - Length of next line */
+static ssize_t /* O - Length of next line */
skip_page(cups_file_t *fp, /* I - File to read from */
char *line, /* I - Line buffer */
- size_t linelen, /* I - Length of initial line */
+ ssize_t linelen, /* I - Length of initial line */
size_t linesize) /* I - Size of line buffer */
{
int level; /* Embedded document level */
tx, ty; /* Translation values for subpage */
float pagew, /* Printable width of page */
pagel; /* Printable height of page */
- int bboxw, /* BoundingBox width */
+ int bboxx, /* BoundingBox X origin */
+ bboxy, /* BoundingBox Y origin */
+ bboxw, /* BoundingBox width */
bboxl; /* BoundingBox height */
+ float margin = 0; /* Current margin for border */
if (doc->number_up > 1)
if (doc->fitplot)
{
+ bboxx = bounding_box[0];
+ bboxy = bounding_box[1];
bboxw = bounding_box[2] - bounding_box[0];
bboxl = bounding_box[3] - bounding_box[1];
}
else
{
+ bboxx = 0;
+ bboxy = 0;
bboxw = PageWidth;
bboxl = PageLength;
}
fprintf(stderr, "DEBUG: pagew = %.1f, pagel = %.1f\n", pagew, pagel);
- fprintf(stderr, "DEBUG: bboxw = %d, bboxl = %d\n", bboxw, bboxl);
+ fprintf(stderr, "DEBUG: bboxx = %d, bboxy = %d, bboxw = %d, bboxl = %d\n",
+ bboxx, bboxy, bboxw, bboxl);
fprintf(stderr, "DEBUG: PageLeft = %.1f, PageRight = %.1f\n",
PageLeft, PageRight);
fprintf(stderr, "DEBUG: PageTop = %.1f, PageBottom = %.1f\n",
if (doc->page_border && show_border)
{
int rects; /* Number of border rectangles */
- float fscale, /* Scaling value for points */
- margin; /* Current margin for borders */
+ float fscale; /* Scaling value for points */
rects = (doc->page_border & PSTOPS_BORDERDOUBLE) ? 2 : 1;
for (; rects > 0; rects --, margin += 2 * fscale)
if (doc->number_up > 1)
doc_printf(doc, "%.1f %.1f %.1f %.1f ESPrs\n",
- margin - 2.25 * fscale,
- margin - 2.25 * fscale,
- bboxw + 4.5 * fscale - 2 * margin,
- bboxl + 4.5 * fscale - 2 * margin);
+ margin,
+ margin,
+ bboxw - 2 * margin,
+ bboxl - 2 * margin);
else
doc_printf(doc, "%.1f %.1f %.1f %.1f ESPrs\n",
PageLeft + margin,
if (doc->fitplot)
{
/*
- * Clip the page that follows to the bounding box of the page...
+ * Offset the page by its bounding box...
*/
doc_printf(doc, "%d %d translate\n", -bounding_box[0],
-bounding_box[1]);
- doc_printf(doc, "%d %d %d %d ESPrc\n", bounding_box[0], bounding_box[1],
- bboxw, bboxl);
}
- else if (doc->number_up > 1)
+
+ if (doc->fitplot || doc->number_up > 1)
{
/*
- * Clip the page that follows to the default page size...
+ * Clip the page to the page's bounding box...
*/
- doc_printf(doc, "0 0 %d %d ESPrc\n", bboxw, bboxl);
+ doc_printf(doc, "%.1f %.1f %.1f %.1f ESPrc\n",
+ bboxx + margin, bboxy + margin,
+ bboxw - 2 * margin, bboxl - 2 * margin);
}
}
/*
- * End of "$Id: pstops.c 6649 2007-07-11 21:46:42Z mike $".
+ * End of "$Id: pstops.c 7006 2007-10-04 17:43:38Z mike $".
*/
projects / thirdparty / cups.git / blobdiff