OpenSystemsDevelopment / qpdf

Commit fc4c82a9501d13a398682c308fc24c4427cfd77e

Authored by Jay Berkenbilt
1 parent 8d2b29ef

Reset state in QPDF::calculateLinearizationData 

This makes it possible to use two different writers to write
linearized files from the same QPDF object.
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Showing 2 changed files with 15 additions and 0 deletions
ChangeLog
  View file @fc4c82a
1 1 2012-09-06 Jay Berkenbilt <ejb@ql.org>
2 2  
  3 + * Make it possible to write the same QPDF object with two
  4 + different QPDFWriter objects that have both called
  5 + setLinearization(true) by making private method
  6 + QPDF::calculateLinearizationData() properly initialize its state.
  7 +
3 8 * Bug fix: Writing after calling QPDFWriter::setOutputMemory()
4 9 would cause a segmentation fault because of an internal field not
5 10 being initialized, rendering that method useless. This has been
... ...
libqpdf/QPDF_linearization.cc
  View file @fc4c82a
... ... @@ -1241,6 +1241,16 @@ QPDF::calculateLinearizationData(std::map&lt;int, int&gt; const&amp; object_stream_data)
1241 1241  
1242 1242 // * outlines: part 6 or 9
1243 1243  
  1244 + this->part4.clear();
  1245 + this->part6.clear();
  1246 + this->part7.clear();
  1247 + this->part8.clear();
  1248 + this->part9.clear();
  1249 + this->c_linp = LinParameters();
  1250 + this->c_page_offset_data = CHPageOffset();
  1251 + this->c_shared_object_data = CHSharedObject();
  1252 + this->c_outline_data = HGeneric();
  1253 +
1244 1254 QPDFObjectHandle root = getRoot();
1245 1255 bool outlines_in_first_page = false;
1246 1256 QPDFObjectHandle pagemode = root.getKey("/PageMode");
... ...