Separate pdf_drop_annots (that drops lists) and fz_drop_annot.

1 files changed, 21 insertions, 0 deletions

diff --git a/source/fitz/document.c b/source/fitz/document.c
index b902161c..319ac83b 100644
--- a/source/fitz/document.c
+++ b/source/fitz/document.c
@@ -369,6 +369,27 @@ fz_new_annot(fz_context *ctx, int size)
 	return page;
 }
 
+fz_annot *
+fz_keep_annot(fz_context *ctx, fz_annot *annot)
+{
+	if (annot)
+		++annot->refs;
+	return annot;
+}
+
+void
+fz_drop_annot(fz_context *ctx, fz_annot *annot)
+{
+	if (annot)
+	{
+		if (--annot->refs == 0 && annot->drop_annot_imp)
+		{
+			annot->drop_annot_imp(ctx, annot);
+			fz_free(ctx, annot);
+		}
+	}
+}
+
 void *
 fz_new_page(fz_context *ctx, int size)
 {