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477 lines
16 KiB
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477 lines
16 KiB
Plaintext
2012-06-21 Jay Berkenbilt <ejb@ql.org>
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* libqpdf/QPDF.cc: new processFile method that takes an open FILE*
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instead of a filename.
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2012-06-20 Jay Berkenbilt <ejb@ql.org>
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* Add new array mutation routines to QPDFObjectHandle.
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Implemented by Tobias Hoffmann.
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* Rework APIs that use size_t, off_t, and primative integer types
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so that size_t is used for sizes of memory and off_t is used for
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file offsets. Also set _FILE_OFFSET_BITS so that large files can
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be supported on 32-bit UNIX/Linux platforms. The code assumes in
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places that sizeof(off_t) >= sizeof(size_t). This resulted in
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non-compatible ABI changes and hopefully clears the way for QPDF
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to work with files that are larger than 4 GiB in size.
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* Add support for versioned symbols on ELF platforms.
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* Various fixes for gcc 4.7
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2011-04-06 Jay Berkenbilt <ejb@ql.org>
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* Fix PCRE to stop using deprecated (and now dropped) interfaces.
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2011-12-28 Jay Berkenbilt <ejb@ql.org>
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* 2.3.1: release
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* include <stdint.h> if available to support MSVC 2010
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* Since PCRE is not necessarily thread safe, don't declare any
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PCRE objects to be static.
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* Disregard stderr output from ghostscript when using it to
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compare images in the test suite; see comments in qpdf.test for
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details.
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* Fixed a few documentation errors.
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2011-08-11 Jay Berkenbilt <ejb@ql.org>
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* 2.3.0: release
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* include/qpdf/qpdf-c.h ("C"): add new methods
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qpdf_init_write_memory, qpdf_get_buffer_length, and
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qpdf_get_buffer to support writing to memory from the C API.
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* include/qpdf/qpdf-c.h ("C"): add new methods qpdf_get_info_key
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and qpdf_set_info_key for manipulating text fields of the /Info
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dictionary.
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2011-08-10 Jay Berkenbilt <ejb@ql.org>
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* libqpdf/QPDFWriter.cc (copyEncryptionParameters): preserve
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whether metadata is encryption. This fixes part of bug 3173659:
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the password becomes invalid if qpdf copies an encrypted file with
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cleartext-metadata.
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* include/qpdf/QPDFWriter.hh: add a new constructor that takes
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only a QPDF reference and leaves specification of output for
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later. Add methods setOutputFilename() to set the output to a
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filename or stdout, and setOutputMemory() to indicate that output
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should go to a memory buffer. Add method getBuffer() to retrieve
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the buffer used if output was saved to a memory buffer.
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* include/qpdf/QPDF.hh: add methods replaceObject() and
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swapObjects() to allow replacement of an object and swapping of
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two objects by object ID.
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* include/qpdf/QPDFObjectHandle.hh: add new methods getDictAsMap()
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and getArrayAsVector() for returning the elements of a dictionary
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or an array as a map or vector.
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2011-06-25 Jay Berkenbilt <ejb@ql.org>
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* 2.2.4: release
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2011-06-23 Jay Berkenbilt <ejb@ql.org>
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* make/libtool.mk (install): Do not strip executables and shared
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libraries during installation. Leave that up to the packager.
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* configure.ac: disable -Werror by default.
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2011-05-07 Jay Berkenbilt <ejb@ql.org>
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* libqpdf/QPDF_linearization.cc (isLinearized): remove unused
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offset variable, found by a gcc 4.6 warning.
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2011-04-30 Jay Berkenbilt <ejb@ql.org>
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* 2.2.3: release
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* libqpdf/QPDF.cc (readObjectInternal): Accept the case of the
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stream keyword being followed by carriage return by itself. While
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this is not permitted by the specification, there are PDF files
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that do this, and other readers can read them.
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* libqpdf/Pl_QPDFTokenizer.cc (processChar): When an inline image
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is detected, suspend normalization only up to the end of the
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inline image rather than for the remainder of the content stream.
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(Fixes qpdf-Bugs 3152169.)
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2011-01-31 Jay Berkenbilt <ejb@ql.org>
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* libqpdf/QPDF.cc (readObjectAtOffset): use -1 rather than 0 when
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reading an object at a given to indicate that no object number is
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expected. This allows xref recovery to proceed even if a file
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uses the invalid object number 0 as a regular object.
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* libqpdf/QPDF_linearization.cc (isLinearized): use -1 rather than
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0 as a sentintel for not having found the first object in the
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file. Since -1 can never match the regular expression, this
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prevents an infinite loop when checking a file that starts with
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(erroneous) 0 0 obj. (Fixes qpdf-Bugs-3159950.)
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2010-10-04 Jay Berkenbilt <ejb@ql.org>
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* 2.2.2: release
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* include/qpdf/qpdf-c.h: Add qpdf_read_memory to C API to call
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QPDF::processMemoryFile.
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2010-10-01 Jay Berkenbilt <ejb@ql.org>
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* 2.2.1: release
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* include/qpdf/QPDF.hh: Add setOutputStreams method to allow
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redirection of library-generated output/error to alternative
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streams.
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* include/qpdf/QPDF.hh: Add processMemoryFile method for
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processing a PDF file from a memory buffer instead of a file.
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2010-09-24 Jay Berkenbilt <ejb@ql.org>
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* libqpdf/QPDF.cc: change private "file" method to be a
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PointerHolder<InputSource> to prepare qpdf for being able to work
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with PDF files loaded into memory in addition to working with
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files on disk.
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* include/qpdf/PointerHolder.hh: add operator* and operator->
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methods so that PointerHolder objects can be used like pointers.
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This is consistent with the smart pointer objects in the next
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revision of C++.
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2010-09-05 Jay Berkenbilt <ejb@ql.org>
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* libqpdf/QPDF.cc (readObjectInternal): Recognize empty objects
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and treat them as null.
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* libqpdf/QPDF_Stream.cc (filterable): Handle inline image filter
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abbreviations as stream filter abbreviations. Although this is
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not technically allowed by the PDF specification, table H.1 in the
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pre-ISO spec indicates that Adobe's readers accept them. Thanks
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to Jian Ma <stronghorse@tom.com> for bringing this to my
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attention.
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2010-08-14 Jay Berkenbilt <ejb@ql.org>
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* 2.2.0: release
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* Rename README.windows to README-windows.txt and convert its line
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endings to Windows-style line endings. Also mention Jian Ma's VC6
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port in the manual and README-windows.txt.
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2010-08-09 Jay Berkenbilt <ejb@ql.org>
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* Add QPDFObjectHandle::getRawStreamData to return raw
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(unfiltered) stream data.
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2010-08-08 Jay Berkenbilt <ejb@ql.org>
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* 2.2.rc1: release
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2010-08-05 Jay Berkenbilt <ejb@ql.org>
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* Add QPDFObjectHandle::addPageContents, a convenience routine for
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appending or prepending new streams to a page's content streams.
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The "pdf-double-page-size" example illustrates its use.
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* Add new methods to QPDFObjectHandle: replaceStreamData and
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newStream. These methods allow users of the qpdf library to add
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new streams and to replace data of existing streams. The
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"pdf-double-page-size" and "pdf-invert-images" examples illustrate
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their use.
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2010-06-06 Jay Berkenbilt <ejb@ql.org>
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* Fix memory leak for QPDF objects whose underlying PDF objects
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contain circular references. Thanks to Jian Ma
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<stronghorse@tom.com> for calling my attention to the memory leak.
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2010-04-25 Jay Berkenbilt <ejb@ql.org>
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* 2.1.5: release
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* libqpdf/QPDF_encryption.cc (compute_encryption_key): remove
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restrictions on length of file identifier string. (Fixes
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qpdf-Bugs-2991412.)
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2010-04-18 Jay Berkenbilt <ejb@ql.org>
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* 2.1.4: release
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* libqpdf/QPDFWriter.cc (writeLinearized): the padding calculation
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fix in 2.1.2 was applied in only one place but it was needed in
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two places since there are actually two cross reference streams in
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a linearized file. The new padding calculation is now used for
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both streams. Hopefully this should put an end to linearization
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padding problems. (Fixes qpdf-Bugs-2979219.)
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2010-04-10 Jay Berkenbilt <ejb@ql.org>
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* qpdf/qpdf.cc (main): Since qpdf --check only checks syntax and
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stream encoding without doing any semantic checks, make the output
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clearer when no errors around found. This is inspired by
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qpdf-Bugs-2983225.
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2010-03-27 Jay Berkenbilt <ejb@ql.org>
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* 2.1.3: release
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* libqpdf/QPDF_optimization.cc (flattenScalarReferences): Flatten
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scalar references for unreferenced objects as well as those seen
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during traversal of the file. This matters when preserving object
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streams that contain unreferenced objects with indirect scalars.
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(Fixes qpdf-Bugs-2974522.) Updated TODO with a description of a
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possibly better fix involving removal of flattenScalarReferences.
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* libqpdf/Pl_AES_PDF.cc (finish): Don't complain if an AES input
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buffer is not a multiple of 16 bytes. Instead, just pad with
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nulls and hope for the best. PDF files have been encountered "in
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the wild" that contain AES buffers that aren't a multiple of 16
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bytes.
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2010-01-24 Jay Berkenbilt <ejb@ql.org>
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* 2.1.2: release
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* libqpdf/QPDFWriter.cc: fix logic error in padding calculation.
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When writing linearized files with cross reference streams, the
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padding calculation failed to take differences in sizes of
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compressed data between pass 1 and pass 2 into consideration.
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2009-12-14 Jay Berkenbilt <ejb@ql.org>
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* 2.1.1: release
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* qpdf/qtest/qpdf.test: improve test for acroread to make sure it
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actually works and is not just present in the path.
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2009-12-13 Jay Berkenbilt <ejb@ql.org>
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* libqpdf/qpdf/Pl_AES_PDF.hh: include <stdint.h>, if available, so
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we have valid definitions of uint32_t.
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2009-10-30 Jay Berkenbilt <ejb@ql.org>
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* 2.1: release
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* libqpdf/QPDF.cc: be more forgiving of extraneous whitespace in
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the xref table and while recovering from error conditions.
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2009-10-26 Jay Berkenbilt <ejb@ql.org>
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* Work around failure of PCRE test case; this test case exercises
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an aspect of PCRE that qpdf does not use, and the test fails with
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the version of PCRE on Red Hat Enterprise Linux 5, so we ignore
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failure on this particular test case.
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* Fix RPM .spec file to include "C" examples
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2009-10-24 Jay Berkenbilt <ejb@ql.org>
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* 2.1.rc1: release
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* Provide interfaces for getting qpdf's own version number
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2009-10-19 Jay Berkenbilt <ejb@ql.org>
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* include/qpdf/QPDF.hh (QPDF): getWarnings now returns a list of
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QPDFExc rather than a list of strings. This way, warnings may be
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inspected in more detail.
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* Include information about the last object read in most error
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messages. Most of the time, this will provide a good hint as to
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which object contains the error, but it's possible that the last
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object read may not necessarily be the one that has the error if
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the erroneous object was previously read and cached.
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2009-10-18 Jay Berkenbilt <ejb@ql.org>
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* If forcing version, disable object stream creation and/or
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encryption if previous specifications are incompatible with new
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version. It is still possible that PDF content, compression
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schemes, etc., may be incompatible with the new version, but at
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least this way, older viewers will at least have a chance.
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* libqpdf/QPDFWriter.cc (unparseObject): avoid compressing
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Metadata streams if possible.
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2009-10-13 Jay Berkenbilt <ejb@ql.org>
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* Upgrade embedded qtest to version 1.4, which allows the test
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suite to be run in Windows with MSYS and ActiveState Perl rather
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than requiring Cygwin perl.
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2009-10-04 Jay Berkenbilt <ejb@ql.org>
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* Implement support AES encrypt and crypt filters. Implementation
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is not fully tested due to lack of test data but has been tested
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for several cases.
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2009-10-04 Jay Berkenbilt <ejb@ql.org>
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* Add methods to QPDFWriter and corresponding command line
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arguments to qpdf to set the minimum output PDF version and also
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to force the version to a particular value.
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* libqpdf/QPDF.cc (processXRefStream): warn and ignore extra xref
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stream entries when stream is larger than reported size. This
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used to be a fatal error. (Fixes qpdf-Bugs-2872265.)
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2009-09-27 Jay Berkenbilt <ejb@ql.org>
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* Add several methods to query permissions controlled by the
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encryption dictionary. Note that qpdf does not enforce these
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permissions even though it allows the user to query them.
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* The function QPDF::getUserPassword returned the user password
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with the required padding as specified by the PDF specification.
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This is seldom useful to users. This function has been replaced
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by QPDF::getPaddedUserPassword. Call the new
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QPDF::getTrimmedUserPassword to retreive the user password in a
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human-readable format.
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* qpdf/qpdf.cc (main): qpdf --check now prints the PDF version
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number in addition to its other output.
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2009-09-26 Jay Berkenbilt <ejb@ql.org>
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* Removed all references to QEXC; now using std::runtime_error and
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std::logic_error and their subclasses for all exceptions.
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2009-05-03 Jay Berkenbilt <ejb@ql.org>
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* 2.0.6: release
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* libqpdf/QPDF_Stream.cc (filterable): ignore /DecodeParms if it's
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not a type we recognize. (Fixes qpdf-Bugs-2779746.)
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2009-03-10 Jay Berkenbilt <ejb@ql.org>
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* 2.0.5: release
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2009-03-09 Jay Berkenbilt <ejb@ql.org>
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* libqpdf/Pl_LZWDecoder.cc: adjust LZWDecoder full table
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detection, now having been able to adequately test boundary
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conditions both and with and without early code change. Also
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compared implementation with other LZW decoders.
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2009-03-08 Jay Berkenbilt <ejb@ql.org>
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* qpdf/fix-qdf (write_ostream): Adjust offsets while writing
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object streams to account for changes in the length of the
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dictionary and offset tables.
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* qpdf/qpdf.cc (main): In check mode, in addition to checking
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structure of file, attempt to decode all stream data.
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* libqpdf/QPDFWriter.cc (QPDFWriter::writeObject): In QDF mode,
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write a comment to the QDF file before each object that indicates
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the object ID of the corresponding object from the original file.
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Add --no-original-object-ids flag to qpdf and
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setSuppressOriginalObjectIDs() method to QPDFWriter to turn this
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behavior off.
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* libqpdf/QPDF.cc (QPDF::pipeStreamData): Issue a warning instead
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of failing if there is a problem found while decoding stream.
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* qpdf/qpdf.cc: Exit with a status of 3 if warnings were found
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regardless of what mode we're in.
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2009-02-21 Jay Berkenbilt <ejb@ql.org>
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* 2.0.4: release
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2009-02-20 Jay Berkenbilt <ejb@ql.org>
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* Fix many typos in comments and strings.
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* qpdf/qpdf.cc: in --check mode, if there are warnings but no
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errors, exit with a status of 3.
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* libqpdf/QPDF.cc (QPDF::insertXrefEntry): when recovering the
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cross-reference table, have objects we encounter later in the file
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supersede those we found earlier. This improves the chances of
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being able to recover appended files with damaged cross-reference
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tables.
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2009-02-19 Jay Berkenbilt <ejb@ql.org>
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* libqpdf/Pl_LZWDecoder.cc: correct logic error for previously
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untested case of running the LZW decoder without the "early code
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change" flag. Thanks to a bug report from "Atom Smasher", I
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finally was able to obtain an input stream compressed in this way.
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2009-02-15 Jay Berkenbilt <ejb@ql.org>
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* 2.0.3: release
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2008-12-11 Jay Berkenbilt <ejb@ql.org>
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* qpdf/qpdf.cc (main): Accept -help and -version as well as --help
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and --version
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2008-11-23 Jay Berkenbilt <ejb@ql.org>
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* Include stdio.h in a few files for proper compilation with (yet
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to be released) gcc 4.4
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* updated embedded qtest to version 1.3
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* libqpdf/QPDF_String.cc (QPDF_String::getUTF8Val): handle
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UTF-16BE properly rather than just treating the string as a string
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of 16-bit characters.
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2008-06-30 Jay Berkenbilt <ejb@ql.org>
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* 2.0.2: release
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* updated embedded qtest to version 1.2 (includes previous
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changes)
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2008-06-07 Jay Berkenbilt <ejb@ql.org>
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* qpdf/qtest/qpdf/diff-encrypted: change == to = so that the test
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suite passes when /bin/sh is not bash
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2008-05-07 Jay Berkenbilt <ejb@ql.org>
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* qtest/bin/qtest-driver (run_test): increase timeout for qtest to
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be more tolerant of slow machines
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2008-05-06 Jay Berkenbilt <ejb@ql.org>
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* 2.0.1: release
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* make/rules.mk: fix logic with .dep generation for .lo files so
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that dependencies work properly with libtool
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2008-05-05 Jay Berkenbilt <ejb@ql.org>
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* libqpdf/qpdf/MD5.hh: fix header to be 64-bit clean
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* configure.ac: add tests for sized integer types
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2008-05-04 Jay Berkenbilt <ejb@ql.org>
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* libqpdf/QPDF_encryption.cc: do not assume size_t is unsigned int
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* qpdf/qtest/qpdf.test: removed locale-specific tests. These were
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really to check bugs in perl 5.8.0 and are obsolete now. They
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also make the test suite fail in some environments that don't have
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all the locales fully configured.
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* various: updated several files for gcc 4.3 by adding missing
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includes (string.h, stdlib.h)
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2008-04-26 Jay Berkenbilt <ejb@ql.org>
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* 2.0: initial public release
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