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2019-01-30Clean up some private functionsJay Berkenbilt
2019-01-29Handle direct page objects (fixes #164)Jay Berkenbilt
2019-01-29Clarify documentation for copyForeignObject regarding pagesJay Berkenbilt
Make explicit that copyForeignObject can be used on page objects and will copy them properly but not update the pages tree.
2019-01-29Resolve duplicated page objects (fixes #268)Jay Berkenbilt
When linearizing a file or getting the list of all pages in a file, detect if the pages tree contains a duplicated page object and, if so, shallow copy it. This makes it possible to have a one to one mapping of page positions to page objects.
2018-03-06Properly handle pages with no contents (fixes #194)Jay Berkenbilt
Remove calls to assertPageObject(). All cases in the library that called assertPageObject() work fine if you don't call assertPageObject() because nothing assumes anything that was being checked by that call. Removing the calls enables more files to be successfully processed.
2017-08-22Push QPDF member variables into a nested classJay Berkenbilt
Pushing member variables into a nested class enables addition of new member variables without breaking binary compatibility.
2015-02-22Detect loops in /Pages structureJay Berkenbilt
Pushing inherited objects to pages and getting all pages were both prone to stack overflow infinite loops if there were loops in the Pages dictionary. There is a general weakness in the code in that any part of the code that traverses the Pages structure would be prone to this and would have to implement its own loop detection. A more robust fix may provide some general method for handling the Pages structure, but it's probably not worth doing. Note: addition of *Internal2 private functions was done rather than changing signatures of existing methods to avoid breaking compatibility.
2014-12-29Handle page tree node with no /TypeJay Berkenbilt
Original reported here: https://bugs.launchpad.net/ubuntu/+source/qpdf/+bug/1397413 The PDF specification says that the /Type key for nodes in the pages dictionary (both /Page and /Pages) is required, but some PDF files omit them. Use the presence of other keys to determine the type of pages tree node this is if the type key is not found.
2013-10-18Security: replace operator[] with atJay Berkenbilt
For std::string and std::vector, replace operator[] with at. This was done using an automated process. See README.hardening for details.
2013-10-10Replace some assertions with std::logic_errorJay Berkenbilt
Ideally, the library should never call assert outside of test code, but it does in several places. For some cases where the assertion might conceivably fail because of a problem with the input data, replace assertions with exceptions so that they can be trapped by the calling application. This commit surely misses some cases and replaced some cases unnecessarily, but it should still be an improvement.
2013-06-14Use QPDFObjectHandle::getObjGen() where appropriateJay Berkenbilt
In internal code and examples, replace calls to getObjectID() and getGeneration() with calls to getObjGen() where possible.
2013-06-14Promote QPDF::ObjGen to top-level object QPDFObjGenJay Berkenbilt
2013-03-04Remove all old-style casts from C++ codeJay Berkenbilt
2012-07-29Fix spelling errorsJay Berkenbilt
2012-07-11Support copying objects from another QPDF objectJay Berkenbilt
This includes QPDF::copyForeignObject and supporting foreign objects as arguments to addPage*.
2012-07-07Build this->all_pages while traversing with pushInheritedAttributesToPageTobias Hoffmann
2012-07-05Limited inheritance to the attributes explicitly listed in the PDF specTobias Hoffmann
Previous versions of qpdf incorrectly passed arbitrary objects from /Pages objects down to individual pages in direct contradition with the PDF specification. These are now left in /Pages. When intermediate /Pages nodes are being discarded as when the /Pages tree is being flattened, a warning is issued when unknown keys are encountered.
2012-07-04Added public method QPDF::pushInheritedAttributesToPageTobias Hoffmann
Refactored optimizePagesTree to pushInheritedAttributesToPage and made public
2012-06-24Fixed missing throwTobias Hoffmann
2012-06-22Add QPDF::emptyPDF() and pdf_from_scratch test codeJay Berkenbilt
2012-06-21Use getRoot() instead of looking it up in the trailerJay Berkenbilt
2012-06-21Add testing for page APIsJay Berkenbilt
2012-06-21Implement page manipulation APIsJay Berkenbilt
2012-06-21Split page handling APIs into a separate source fileJay Berkenbilt