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pdf: set default create date

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This commit is contained in:
Adrian Johnson 2017-10-24 21:26:56 +10:30
parent 378e8e2f59
commit 1674d2b885
4 changed files with 52 additions and 2 deletions
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1
boilerplate/cairo-boilerplate-pdf.c
View file

@ -84,6 +84,7 @@ _cairo_boilerplate_pdf_create_surface (const char *name,
if (cairo_surface_status (surface))
goto CLEANUP_FILENAME;
cairo_pdf_surface_set_metadata (surface, CAIRO_PDF_METADATA_CREATE_DATE, NULL);
cairo_surface_set_fallback_resolution (surface, 72., 72.);
if (content == CAIRO_CONTENT_COLOR) {

2
build/configure.ac.system
View file

@ -108,7 +108,7 @@ AC_CHECK_HEADER(fenv.h,
dnl check for misc headers and functions
AC_CHECK_HEADERS([libgen.h byteswap.h signal.h setjmp.h fenv.h sys/wait.h])
AC_CHECK_FUNCS([ctime_r drand48 flockfile funlockfile getline link strndup])
AC_CHECK_FUNCS([ctime_r localtime_r gmtime_r drand48 flockfile funlockfile getline link strndup])
dnl Check if the runtime platform is a native Win32 host.
AC_COMPILE_IFELSE([[

50
src/cairo-pdf-interchange.c
View file

@ -43,6 +43,7 @@
* - page labels
*/
#define _DEFAULT_SOURCE /* for localtime_r(), gmtime_r(), snprintf(), strdup() */
#include "cairoint.h"
#include "cairo-pdf.h"
@ -52,6 +53,15 @@
#include "cairo-error-private.h"
#include "cairo-output-stream-private.h"
#include <time.h>
#ifndef HAVE_LOCALTIME_R
#define localtime_r(T, BUF) (*(BUF) = *localtime (T))
#endif
#ifndef HAVE_GMTIME_R
#define gmtime_r(T, BUF) (*(BUF) = *gmtime (T))
#endif
static void
write_rect_to_pdf_quad_points (cairo_output_stream_t *stream,
const cairo_rectangle_t *rect,
@ -1312,6 +1322,45 @@ _cairo_pdf_interchange_write_document_objects (cairo_pdf_surface_t *surface)
return status;
}
static void
_cairo_pdf_interchange_set_create_date (cairo_pdf_surface_t *surface)
{
time_t utc, local, offset;
struct tm tm_local, tm_utc;
char buf[50];
int buf_size;
char *p;
cairo_pdf_interchange_t *ic = &surface->interchange;
utc = time (NULL);
localtime_r (&utc, &tm_local);
strftime (buf, sizeof(buf), "(D:%Y%m%d%H%M%S", &tm_local);
/* strftime "%z" is non standard and does not work on windows (it prints zone name, not offset).
* Calculate time zone offset by comparing local and utc time_t values for the same time.
*/
gmtime_r (&utc, &tm_utc);
tm_utc.tm_isdst = tm_local.tm_isdst;
local = mktime (&tm_utc);
offset = difftime (utc, local);
if (offset == 0) {
strcat (buf, "Z");
} else {
if (offset > 0) {
strcat (buf, "+");
} else {
strcat (buf, "-");
offset = -offset;
}
p = buf + strlen (buf);
buf_size = sizeof (buf) - strlen (buf);
snprintf (p, buf_size, "%02d'%02d", (int)(offset/3600), (int)(offset%3600)/60);
}
strcat (buf, ")");
ic->docinfo.create_date = strdup (buf);
}
cairo_int_status_t
_cairo_pdf_interchange_init (cairo_pdf_surface_t *surface)
{
@ -1349,6 +1398,7 @@ _cairo_pdf_interchange_init (cairo_pdf_surface_t *surface)
return _cairo_error (CAIRO_STATUS_NO_MEMORY);
memset (&ic->docinfo, 0, sizeof (ic->docinfo));
_cairo_pdf_interchange_set_create_date (surface);
status = _cairo_array_append (&ic->outline, &outline_root);
return status;

1
src/cairo-pdf-surface.c
View file

@ -63,7 +63,6 @@
#include "cairo-surface-subsurface-private.h"
#include "cairo-type3-glyph-surface-private.h"
#include <time.h>
#include <zlib.h>
/* Issues: