static void
xps_add_link(fz_context *ctx, xps_document *doc, const fz_rect *area, char *base_uri, char *target_uri, fz_link **head)
{
fz_link *link = fz_new_link(ctx, area, doc, target_uri);
link->next = *head;
*head = link;
}
static fz_link *
pdf_load_link(fz_context *ctx, pdf_document *doc, pdf_obj *dict, int pagenum, const fz_matrix *page_ctm)
{
pdf_obj *action;
pdf_obj *obj;
fz_rect bbox;
char *uri;
fz_link *link = NULL;
obj = pdf_dict_get(ctx, dict, PDF_NAME_Subtype);
if (!pdf_name_eq(ctx, obj, PDF_NAME_Link))
return NULL;
obj = pdf_dict_get(ctx, dict, PDF_NAME_Rect);
if (!obj)
return NULL;
pdf_to_rect(ctx, obj, &bbox);
fz_transform_rect(&bbox, page_ctm);
obj = pdf_dict_get(ctx, dict, PDF_NAME_Dest);
if (obj)
uri = pdf_parse_link_dest(ctx, doc, obj);
else
{
action = pdf_dict_get(ctx, dict, PDF_NAME_A);
/* fall back to additional action button's down/up action */
if (!action)
action = pdf_dict_geta(ctx, pdf_dict_get(ctx, dict, PDF_NAME_AA), PDF_NAME_U, PDF_NAME_D);
uri = pdf_parse_link_action(ctx, doc, action, pagenum);
}
if (!uri)
return NULL;
fz_try(ctx)
link = fz_new_link(ctx, &bbox, doc, uri);
fz_always(ctx)
fz_free(ctx, uri);
fz_catch(ctx)
fz_rethrow(ctx);
return link;
}
static fz_link *
pdf_load_link(pdf_document *xref, pdf_obj *dict, fz_matrix page_ctm)
{
pdf_obj *dest = NULL;
pdf_obj *action;
pdf_obj *obj;
fz_rect bbox;
fz_context *ctx = xref->ctx;
fz_link_dest ld;
dest = NULL;
obj = pdf_dict_gets(dict, "Rect");
if (obj)
bbox = pdf_to_rect(ctx, obj);
else
bbox = fz_empty_rect;
bbox = fz_transform_rect(page_ctm, bbox);
obj = pdf_dict_gets(dict, "Dest");
if (obj)
{
dest = resolve_dest(xref, obj);
ld = pdf_parse_link_dest(xref, dest);
}
else
{
action = pdf_dict_gets(dict, "A");
/* fall back to additional action button's down/up action */
if (!action)
action = pdf_dict_getsa(pdf_dict_gets(dict, "AA"), "U", "D");
ld = pdf_parse_action(xref, action);
}
if (ld.kind == FZ_LINK_NONE)
return NULL;
return fz_new_link(ctx, bbox, ld);
}
