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Add document information dictionary to output.

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Signed-off-by: yzrh <yzrh@noema.org>
This commit is contained in:
yzrh 2023-01-05 19:13:37 +00:00
parent 283446dba5
commit 123d62141c
2 changed files with 27 additions and 14 deletions
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37
src/pdf_writer.c
View file

@ -1,19 +1,39 @@
/*
* Copyright (c) 2020-2022, yzrh <yzrh@noema.org>
* Copyright (c) 2020-2023, yzrh <yzrh@noema.org>
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include "version.h"
#include "md5.h"
#include "pdf.h"
static int
_info_obj(pdf_object_t **pdf)
{
char dictionary[128] = "<<\n"
"/Producer (Melon " VERSION "." RELEASE "." PATCH EXTRA ")\n"
"/CreationDate (D:";
char buf[64];
time_t timestamp = time(NULL);
strftime(buf, 64, "%Y%m%d%H%M%S", gmtime(&timestamp));
strcat(dictionary, buf);
strcat(dictionary, "+00'00')\n>>");
return pdf_obj_append(pdf, 0, NULL, dictionary, NULL, 0);
}
int
pdf_dump_obj(pdf_object_t **pdf, FILE **fp)
{
if (*pdf == NULL || *fp == NULL)
if (*pdf == NULL || *fp == NULL || _info_obj(pdf) != 0)
return 1;
long cur;
@ -152,18 +172,11 @@ pdf_dump_trailer(pdf_object_t **pdf, FILE **fp, int xref)
while (ptr->next != NULL)
ptr = ptr->next;
/*
* TODO: Document information dictionary
* `"/Producer (Melon)"'
* `"/CreationDate (D:YYYYMMDDHHmmSS+00'00')"'
*
* Trailer dictionary
* `"/Info %d 0 R"'
*/
fprintf(*fp,
"/Size %d\n/Root %d 0 R\n",
"/Size %d\n/Root %d 0 R\n/Info %d 0 R\n",
ptr->id + 1,
pdf_get_catalog_id(pdf));
pdf_get_catalog_id(pdf),
ptr->id);
fputs("/ID [", *fp);

4
src/version.h
View file

@ -5,6 +5,6 @@
*/
#define VERSION "0"
#define RELEASE "2"
#define PATCH "5"
#define RELEASE "3"
#define PATCH "0"
#define EXTRA ""