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| author | Jay Berkenbilt <ejb@ql.org> | 2018-02-03 00:21:34 +0100 |
|---|---|---|
| committer | Jay Berkenbilt <ejb@ql.org> | 2018-02-19 03:05:46 +0100 |
| commit | 99101044429c3c91bd11bdd1b26e5b6c2ceb140b (patch) | |
| tree | 5ab366eab31ddf76e80f99bd1d34c421291f1c4e /libqpdf/QPDFWriter.cc | |
| parent | b8723e97f4b94fe03e631aab0309382ead3137ed (diff) | |
| download | qpdf-99101044429c3c91bd11bdd1b26e5b6c2ceb140b.tar.zst | |
Implement TokenFilter and refactor Pl_QPDFTokenizer
Implement a TokenFilter class and refactor Pl_QPDFTokenizer to use a
TokenFilter class called ContentNormalizer. Pl_QPDFTokenizer is now a
general filter that passes data through a TokenFilter.
Diffstat (limited to 'libqpdf/QPDFWriter.cc')
| -rw-r--r-- | libqpdf/QPDFWriter.cc | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/libqpdf/QPDFWriter.cc b/libqpdf/QPDFWriter.cc index f7f834b5..f277189a 100644 --- a/libqpdf/QPDFWriter.cc +++ b/libqpdf/QPDFWriter.cc @@ -1591,7 +1591,8 @@ QPDFWriter::unparseObject(QPDFObjectHandle object, int level, { is_metadata = true; } - bool filter = (this->m->compress_streams || + bool filter = (object.isDataModified() || + this->m->compress_streams || this->m->stream_decode_level); if (this->m->compress_streams) { @@ -1602,7 +1603,8 @@ QPDFWriter::unparseObject(QPDFObjectHandle object, int level, // compressed with a lossy compression scheme, but we // don't support any of those right now. QPDFObjectHandle filter_obj = stream_dict.getKey("/Filter"); - if (filter_obj.isName() && + if ((! object.isDataModified()) && + filter_obj.isName() && ((filter_obj.getName() == "/FlateDecode") || (filter_obj.getName() == "/Fl"))) { |