int pdf_xobject_knockout(fz_context *ctx, pdf_obj *xobj)
{
pdf_obj *group = pdf_dict_get(ctx, xobj, PDF_NAME(Group));
if (group)
return pdf_dict_get_bool(ctx, group, PDF_NAME(K));
return 0;
}
int pdf_xobject_isolated(fz_context *ctx, pdf_obj *xobj)
{
pdf_obj *group = pdf_dict_get(ctx, xobj, PDF_NAME(Group));
if (group)
return pdf_dict_get_bool(ctx, group, PDF_NAME(I));
return 0;
}
int
pdf_annot_is_open(fz_context *ctx, pdf_annot *annot)
{
check_allowed_subtypes(ctx, annot, PDF_NAME(Open), open_subtypes);
return pdf_dict_get_bool(ctx, annot->obj, PDF_NAME(Open));
}