void
pdf_drop_annots(fz_context *ctx, pdf_annot *annot)
{
while (annot)
{
pdf_annot *next = annot->next;
fz_drop_annot(ctx, &annot->super);
annot = next;
}
}
void
pdf_delete_annot(fz_context *ctx, pdf_page *page, pdf_annot *annot)
{
pdf_document *doc = annot->page->doc;
pdf_annot **annotptr;
pdf_obj *annot_arr;
int i;
if (annot == NULL)
return;
/* Remove annot from page's list */
for (annotptr = &page->annots; *annotptr; annotptr = &(*annotptr)->next)
{
if (*annotptr == annot)
break;
}
/* Check the passed annotation was of this page */
if (*annotptr == NULL)
return;
*annotptr = annot->next;
/* If the removed annotation was the last in the list adjust the end pointer */
if (*annotptr == NULL)
page->annot_tailp = annotptr;
/* If the removed annotation has the focus, blur it. */
if (doc->focus == annot)
{
doc->focus = NULL;
doc->focus_obj = NULL;
}
/* Remove the annot from the "Annots" array. */
annot_arr = pdf_dict_get(ctx, page->obj, PDF_NAME_Annots);
i = pdf_array_find(ctx, annot_arr, annot->obj);
if (i >= 0)
pdf_array_delete(ctx, annot_arr, i);
/* The garbage collection pass when saving will remove the annot object,
* removing it here may break files if multiple pages use the same annot. */
/* And free it. */
fz_drop_annot(ctx, &annot->super);
doc->dirty = 1;
}
