1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
|
#include "fitz.h"
#include "mupdf.h"
static fz_outline *
pdf_load_outline_imp(pdf_xref *xref, fz_obj *dict)
{
fz_context *ctx = xref->ctx;
pdf_link *link;
fz_outline *node;
fz_obj *obj;
if (fz_is_null(dict))
return NULL;
node = fz_malloc_struct(ctx, fz_outline);
node->ctx = ctx;
node->title = NULL;
node->page = 0;
node->down = NULL;
node->next = NULL;
obj = fz_dict_gets(dict, "Title");
if (obj)
node->title = pdf_to_utf8(ctx, obj);
if (fz_dict_gets(dict, "Dest") || fz_dict_gets(dict, "A"))
{
link = pdf_load_link(xref, dict);
if (link->kind == PDF_LINK_GOTO)
node->page = pdf_find_page_number(xref, fz_array_get(link->dest, 0));
pdf_free_link(xref->ctx, link);
}
obj = fz_dict_gets(dict, "First");
if (obj)
node->down = pdf_load_outline_imp(xref, obj);
obj = fz_dict_gets(dict, "Next");
if (obj)
node->next = pdf_load_outline_imp(xref, obj);
return node;
}
fz_outline *
pdf_load_outline(pdf_xref *xref)
{
fz_obj *root, *obj, *first;
root = fz_dict_gets(xref->trailer, "Root");
obj = fz_dict_gets(root, "Outlines");
first = fz_dict_gets(obj, "First");
if (first)
return pdf_load_outline_imp(xref, first);
return NULL;
}
|
