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| author | Tor Andersson <tor.andersson@artifex.com> | 2018-05-15 10:20:15 +0200 |
|---|---|---|
| committer | Tor Andersson <tor.andersson@artifex.com> | 2018-05-16 12:48:07 +0200 |
| commit | 085b6f8a6c2519c132dc328e5a73da334f3bd16d (patch) | |
| tree | 61ac0343b08c1e8b9d6ef7583d16144d485c6adf /source/pdf | |
| parent | 756835b8388c93b30831c84b7208a47d6849920d (diff) | |
| download | mupdf-085b6f8a6c2519c132dc328e5a73da334f3bd16d.tar.xz | |
Remove needless deep copy of resource dictionary.
Also don't bother adding an indirect object for the top resource dict.
Diffstat (limited to 'source/pdf')
| -rw-r--r-- | source/pdf/pdf-clean.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/source/pdf/pdf-clean.c b/source/pdf/pdf-clean.c index 19ddd3b4..35eb27bb 100644 --- a/source/pdf/pdf-clean.c +++ b/source/pdf/pdf-clean.c @@ -148,7 +148,6 @@ void pdf_filter_page_contents(fz_context *ctx, pdf_document *doc, pdf_page *page pdf_processor *proc_filter = NULL; pdf_obj *new_obj = NULL; pdf_obj *new_ref = NULL; - pdf_obj *res_ref = NULL; pdf_obj *res = NULL; pdf_obj *obj; pdf_obj *contents; @@ -158,7 +157,6 @@ void pdf_filter_page_contents(fz_context *ctx, pdf_document *doc, pdf_page *page fz_var(new_obj); fz_var(new_ref); fz_var(res); - fz_var(res_ref); fz_var(proc_buffer); fz_var(proc_filter); @@ -174,13 +172,12 @@ void pdf_filter_page_contents(fz_context *ctx, pdf_document *doc, pdf_page *page { res = pdf_new_dict(ctx, doc, 1); proc_filter = pdf_new_filter_processor_with_text_filter(ctx, doc, proc_buffer, resources, res, text_filter, after_text, proc_arg); - pdf_process_contents(ctx, proc_filter, doc, resources, contents, cookie); pdf_close_processor(ctx, proc_filter); } else { - res = pdf_deep_copy_obj(ctx, resources); + res = pdf_keep_obj(ctx, resources); pdf_process_contents(ctx, proc_buffer, doc, resources, contents, cookie); } pdf_close_processor(ctx, proc_buffer); @@ -296,8 +293,10 @@ void pdf_filter_page_contents(fz_context *ctx, pdf_document *doc, pdf_page *page (*proc_fn)(ctx, buffer, res, proc_arg); /* Update resource dictionary */ - res_ref = pdf_add_object(ctx, doc, res); - pdf_dict_put(ctx, page->obj, PDF_NAME(Resources), res_ref); + if (sanitize) + { + pdf_dict_put(ctx, page->obj, PDF_NAME(Resources), res); + } } fz_always(ctx) { @@ -306,7 +305,6 @@ void pdf_filter_page_contents(fz_context *ctx, pdf_document *doc, pdf_page *page fz_drop_buffer(ctx, buffer); pdf_drop_obj(ctx, new_obj); pdf_drop_obj(ctx, new_ref); - pdf_drop_obj(ctx, res_ref); pdf_drop_obj(ctx, res); } fz_catch(ctx) |