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| author | Tor Andersson <tor.andersson@artifex.com> | 2012-05-23 14:59:26 +0200 |
|---|---|---|
| committer | Tor Andersson <tor.andersson@artifex.com> | 2012-05-23 14:59:26 +0200 |
| commit | d7d281dea2f9816730337d97d110c6ddc20ff5c0 (patch) | |
| tree | e140c436af23778ce1ea060bd3f3f461d95883bd /pdf/pdf_stream.c | |
| parent | fc3dfd623ec30e912bed9615126e0656406a5b75 (diff) | |
| download | mupdf-d7d281dea2f9816730337d97d110c6ddc20ff5c0.tar.xz | |
Bring xref object and stream mutation functions back from the dead.
Needs more work to use the linked list of free xref slots.
Diffstat (limited to 'pdf/pdf_stream.c')
| -rw-r--r-- | pdf/pdf_stream.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/pdf/pdf_stream.c b/pdf/pdf_stream.c index 8cc755f2..e312006c 100644 --- a/pdf/pdf_stream.c +++ b/pdf/pdf_stream.c @@ -13,7 +13,7 @@ pdf_is_stream(pdf_document *xref, int num, int gen) pdf_cache_object(xref, num, gen); /* RJW: "cannot load object, ignoring error" */ - return xref->table[num].stm_ofs > 0; + return xref->table[num].stm_ofs > 0 || xref->table[num].stm_buf; } /* @@ -231,9 +231,12 @@ build_filter_chain(fz_stream *chain, pdf_document *xref, pdf_obj *fs, pdf_obj *p static fz_stream * pdf_open_raw_filter(fz_stream *chain, pdf_document *xref, pdf_obj *stmobj, int num, int gen, int offset) { + fz_context *ctx = chain->ctx; int hascrypt; int len; - fz_context *ctx = chain->ctx; + + if (num > 0 && num < xref->len && xref->table[num].stm_buf) + return fz_open_buffer(ctx, xref->table[num].stm_buf); /* don't close chain when we close this filter */ fz_keep_stream(chain); @@ -431,6 +434,9 @@ pdf_load_raw_renumbered_stream(pdf_document *xref, int num, int gen, int orig_nu int len; fz_buffer *buf; + if (num > 0 && num < xref->len && xref->table[num].stm_buf) + return fz_keep_buffer(xref->ctx, xref->table[num].stm_buf); + dict = pdf_load_object(xref, num, gen); /* RJW: "cannot load stream dictionary (%d %d R)", num, gen */ |