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only contain 1 or 2... Change the implementation of add/find object to use a custom binary insertion sort algorithm rather than doing a qsort after every addition. This results in a significant improvement in open speed - from 2371 seconds (about 39.5 minutes) to 3.1 seconds for one large test file (an ESRI standard).
119 lines
3.7 KiB
Markdown
119 lines
3.7 KiB
Markdown
Changes in PDFio
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================
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v1.2.0 (Month DD, YYYY)
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-----------------------
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- Now use autoconf to configure the PDFio sources (Issue #54)
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- Added `pdfioFileCreateNumberObj` and `pdfioFileCreateStringObj` functions
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(Issue #14)
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- Added `pdfioContentTextMeasure` function (Issue #17)
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- Added `pdfioContentTextNewLineShow` and `pdfioContentTextNewLineShowf`
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functions (Issue #24)
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- Renamed `pdfioContentTextNextLine` to `pdfioContentTextNewLine`.
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- Updated the maximum number of object streams in a single file from 4096 to
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8192 (Issue #58)
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- Updated the token reading code to protect against some obvious abuses of the
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PDF format.
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- Updated the xref reading code to protect against loops.
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- Updated the object handling code to use a binary insertion algorithm -
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provides a significant (~800x) improvement in open times.
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- Fixed handling of encrypted PDFs with per-object file IDs (Issue #42)
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- Fixed handling of of trailer dictionaries that started immediately after the
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"trailer" keyword (Issue #58)
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- Fixed handling of invalid, but common, PDF files with a generation number of
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65536 in the xref table (Issue #59)
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v1.1.4 (December 3, 2023)
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-------------------------
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- Fixed detection of encrypted strings that are too short (Issue #52)
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- Fixed a TrueType CMAP decoding bug.
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- Fixed a text rendering issue for Asian text.
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- Added a ToUnicode map for Unicode text to support text copying.
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v1.1.3 (November 15, 2023)
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--------------------------
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- Fixed Unicode font support (Issue #16)
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- Fixed missing initializer for 40-bit RC4 encryption (Issue #51)
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v1.1.2 (October 10, 2023)
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-------------------------
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- Updated `pdfioContentSetDashPattern` to support setting a solid (0 length)
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dash pattern (Issue #41)
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- Fixed an issue with broken PDF files containing extra CR and/or LF separators
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after the object stream token (Issue #40)
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- Fixed an issue with PDF files produced by Crystal Reports (Issue #45)
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- Fixed an issue with PDF files produced by Microsoft Reporting Services
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(Issue #46)
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- Fixed support for compound filters where the filter array consists of a
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single named filter (Issue #47)
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- Fixed builds on Windows - needed windows.h header for temporary files
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(Issue #48)
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v1.1.1 (March 20, 2023)
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-----------------------
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- CVE-2023-28428: Fixed a potential denial-of-service with corrupt PDF files.
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- Fixed a few build issues.
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v1.1.0 (February 6, 2023)
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-------------------------
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- CVE-2023-24808: Fixed a potential denial-of-service with corrupt PDF files.
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- Added `pdfioFileCreateTemporary` function (Issue #29)
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- Added `pdfioDictIterateKeys` function (Issue #31)
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- Added `pdfioContentPathEnd` function.
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- Added protection against opening multiple streams in the same file at the
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same time.
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- Documentation updates (Issue #37)
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- Fixed "install-shared" target (Issue #32)
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- Fixed `pdfioFileGet...` metadata APIs (Issue #33)
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- Fixed `pdfioContentMatrixRotate` function.
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v1.0.1 (March 2, 2022)
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----------------------
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- Added missing `pdfioPageGetNumStreams` and `pdfioPageOpenStream` functions.
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- Added demo pdfiototext utility.
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- Fixed bug in `pdfioStreamGetToken`.
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v1.0.0 (December 14, 2021)
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--------------------------
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- First stable release.
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v1.0rc1 (November 30, 2021)
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---------------------------
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- Fixed a few stack/buffer overflow bugs discovered via fuzzing.
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v1.0b2 (November 7, 2021)
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-------------------------
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- Added `pdfioFileCreateOutput` API to support streaming output of PDF
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(Issue #21)
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- Fixed `all-shared` target (Issue #22)
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- Fixed memory leaks (Issue #23)
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- Updated `pdfioContentSetDashPattern` to accept `double` values (Issue #25)
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- Added support for reading and writing encrypted PDFs (Issue #26)
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- Fixed some issues identified by a Coverity scan.
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v1.0b1 (August 30, 2021)
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------------------------
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- Initial release
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