diff options
| author | Robin Watts <robin.watts@artifex.com> | 2018-06-22 17:08:29 +0100 |
|---|---|---|
| committer | Robin Watts <robin.watts@artifex.com> | 2018-06-22 18:07:58 +0100 |
| commit | 15c54ec8241c224b39793f2e73b75c9832636a6f (patch) | |
| tree | 79f4987960963bf985b746c56e620a13ea6408be /source/pdf | |
| parent | 776c75656186a7f087832d4befc5d83154a132cb (diff) | |
| download | mupdf-15c54ec8241c224b39793f2e73b75c9832636a6f.tar.xz | |
Improve reference handling.
Diffstat (limited to 'source/pdf')
| -rw-r--r-- | source/pdf/pdf-appearance.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/source/pdf/pdf-appearance.c b/source/pdf/pdf-appearance.c index 01c18b47..b80b2764 100644 --- a/source/pdf/pdf-appearance.c +++ b/source/pdf/pdf-appearance.c @@ -1203,7 +1203,9 @@ void pdf_update_appearance(fz_context *ctx, pdf_annot *annot) fz_matrix matrix = fz_identity; fz_buffer *buf = fz_new_buffer(ctx, 1024); pdf_obj *res = NULL; + pdf_obj *new_ap_n = NULL; fz_var(res); + fz_var(new_ap_n); fz_try(ctx) { pdf_to_rect(ctx, pdf_dict_get(ctx, annot->obj, PDF_NAME(Rect)), &rect); @@ -1217,22 +1219,24 @@ void pdf_update_appearance(fz_context *ctx, pdf_annot *annot) ap = pdf_new_dict(ctx, annot->page->doc, 1); pdf_dict_put_drop(ctx, annot->obj, PDF_NAME(AP), ap); } - ap_n = pdf_new_xobject(ctx, annot->page->doc, &bbox, &matrix, res, buf); - pdf_dict_put_drop(ctx, ap, PDF_NAME(N), ap_n); + new_ap_n = pdf_new_xobject(ctx, annot->page->doc, &bbox, &matrix, res, buf); + pdf_dict_put(ctx, ap, PDF_NAME(N), new_ap_n); } else { + new_ap_n = pdf_keep_obj(ctx, ap_n); pdf_update_xobject(ctx, annot->page->doc, ap_n, &bbox, &matrix, res, buf); } pdf_drop_obj(ctx, annot->ap); annot->ap = NULL; - annot->ap = pdf_keep_obj(ctx, ap_n); + annot->ap = pdf_keep_obj(ctx, new_ap_n); } fz_always(ctx) { fz_drop_buffer(ctx, buf); pdf_drop_obj(ctx, res); + pdf_drop_obj(ctx, new_ap_n); } fz_catch(ctx) fz_warn(ctx, "cannot create appearance stream"); |