kolibrios/contrib/media/updf/pdf/pdf_outline.c
right-hearted 4f7ee97ec9 uPDF with buttons
git-svn-id: svn://kolibrios.org@4680 a494cfbc-eb01-0410-851d-a64ba20cac60
2014-03-22 21:00:40 +00:00

94 lines
1.7 KiB
C

#include "fitz.h"
#include "mupdf.h"
static pdf_outline *
pdf_load_outline_imp(pdf_xref *xref, fz_obj *dict)
{
pdf_outline *node;
fz_obj *obj;
if (fz_is_null(dict))
return NULL;
node = fz_malloc(sizeof(pdf_outline));
node->title = NULL;
node->link = NULL;
node->child = NULL;
node->next = NULL;
node->count = 0;
obj = fz_dict_gets(dict, "Title");
if (obj)
node->title = pdf_to_utf8(obj);
obj = fz_dict_gets(dict, "Count");
if (obj)
node->count = fz_to_int(obj);
if (fz_dict_gets(dict, "Dest") || fz_dict_gets(dict, "A"))
node->link = pdf_load_link(xref, dict);
obj = fz_dict_gets(dict, "First");
if (obj)
node->child = pdf_load_outline_imp(xref, obj);
obj = fz_dict_gets(dict, "Next");
if (obj)
node->next = pdf_load_outline_imp(xref, obj);
return node;
}
pdf_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;
}
void
pdf_free_outline(pdf_outline *outline)
{
if (outline->child)
pdf_free_outline(outline->child);
if (outline->next)
pdf_free_outline(outline->next);
if (outline->link)
pdf_free_link(outline->link);
fz_free(outline->title);
fz_free(outline);
}
void
pdf_debug_outline(pdf_outline *outline, int level)
{
int i;
while (outline)
{
for (i = 0; i < level; i++)
putchar(' ');
if (outline->title)
printf("%s ", outline->title);
else
printf("<NULL> ");
if (outline->link)
fz_debug_obj(outline->link->dest);
else
printf("<NULL>\n");
if (outline->child)
pdf_debug_outline(outline->child, level + 2);
outline = outline->next;
}
}