Changelog for leptonica-devel-1.84.1-54.1.i586.rpm :

* Mon Mar 18 2024 Dirk Müller - update to 1.84.1:
* This is a configure-ready release, derived from the master on 3 Jan 2024
* Tue Jan 02 2024 jun wang - Update to version 1.84.0
* Add getPdfPageCount() to find the number of pages in a pdf file.
* Add getPdfPageSizes() and getPdfMediaBoxSizes() to find the information necessary to render images properly. Modify cleanpdf.c and concatpdf.c to use this information.
* Add prog/splitpdf.c to split a pdf file into nearly equal page sets.
* Add ability to read and write rgba in bmp format, and test in ioformats_reg.
* Add regression test prog/partition_reg.c
* Change the autotools library name from liblept to libleptonica, to be consistent with the cmake library name. (Apologies to Jeff!)
* Add tests for 24 bit pix reading and writing in bmp and png in ioformats_reg. Test new pixDisplayDiff() for visualizing diffs.
* Allow prog/concatpdf to output pdf with tiffg4 encoding and with mixed tiffg4 and DCT encoding depending on image color content.
* Rename prog/concatpdf --> prog/compresspdf
* Put image processing and generation of output pdf from compresspdf and cleanpdf into functions in new files: pdfapp.c, pdfappstub.c.
* Add versatile function for cropping an image and filling to page size, along with prog/croppdf to do this on pdf file.
* Tue Mar 14 2023 Dirk Müller - update to 1.83.1:
* Fix jp2k header reader for header offset larger than assumed 44 bytes
* Fix issue 659: pdf generation for 1 bpp images fails, breaking tesseract
* Mon Jan 09 2023 Mia Herkt - Update to 1.83.0:
* Simplify setting the title of pdf files.
* Catch tiff failure to open stream in fopenTiffMemStream()
* Check for POSIX functions fstatat() and dirfd() before use.
* In prog/cleanpdf: do not allow threshold to exceed 190. Make all parameters required; do not use default values for invalid parameters.
* In prog/concatpdf: add input param for title; add jpeg quality factor
* Fix flaky hash_reg test on i686: sets generated from SelectRange() can depend slightly on platform.
* Convenience function for adding multiple black and white borders.
* Fix oss-fuzz issue 42202: underined shift in l_convertCharstrToInt().
* Fix oss-fuzz issue 43841: made pixCountPixels() more efficient.
* Fix oss-fuzz issue 44008: pixCountArbInRect() used wrong depth.
* Always return tiff resolution of 0 (unknown) if not set.
* Simplify operations on pix memory to help avoid mem leaks
* Make bmp non-support of 32-bit bmp (rgba) files explicit.
* Improve tiff read resolution conversion by rounding.
* Use stdatomic.h to make cloning string safe. Remove all
*GetRefcount() and
*ChangeRefcount() accessors.
* Replace procName and mainName strings by __func__.
* Remove information about fields in many structs from the public interface allheaders.h, instead putting them in internal files pix_internal.h, array_internal.h and ccbord_internal.h.
* Increase the .so number from 5.4.0 to 6.0.0.
* Rename the autotools generated libraries from liblept to libleptonica
* Fix potential memory leaks from recogAverageSamples() and recogDebugAverages() by not destroying a recog.- Drop ea2bb8c9cf61d3eba2589cfaac05f59a33b4110d.patch (applied upstream)
* Fri Nov 26 2021 Dirk Müller - update to 1.82.0:
* Fix issue-585: reading tiff rgb with tiffbpl = 1.5
* packedbpl.
* Fix issue-586: failure to properly wrap tiff-g4 in pdf without transcoding. The fix is to do transcoding for tiff-g4, as was done before April 2021.- add ea2bb8c9cf61d3eba2589cfaac05f59a33b4110d.patch to fix test failures to i586
* Thu Jun 24 2021 Kyrill Detinov - Update to 1.81.1.
* Added choice of codec (JP2 or J2K) when writing jp2k files.
* Fix use of hashmap with key based on dna.- Changes in 1.81.0.
* Fixed problems with tiff pdf wrapping photometry.
* Fixed scaling issues in prog/cleanpdf for printing.
* New progs: tiffpdftest, hashtest.
* Fixed uninitialized data error in pixAddBorderGeneral() and pixRemoveBorderGeneral().
* Rewrote Numa functions that discretize into bins. Have binning by both sorting and histogram.
* Rewrote and simplified pixGetRankColorArray() and pixGetBinnedColor().
* Added tests to prog/rankbin_reg.c.
* Simplified fpixCopy() and dpixCopy(), and functions that use them.
* Check input for bilateral transforms.
* Add function for splitting a file evenly by lines.
* Check input for getFilenamesInDirectory().
* Many new fuzzers.
* Use size_t for all size inputs to ascii85 encoding/decoding.
* New regression tests: encoding_reg.c, binmorph6_reg.c, flipdetect_reg.c.
* Reworked concatpdf for generality, using the Poppler package.
* Removed dwa flipdetection from the library. All the dwa code is now in flipdetectdwa.c.notused. Likewise prog/flipselgen.c is retained for completeness, renamed flipselgen.c.notused, and is not compiled.
* Added hashmap utility (hashmap.c, hashmap.h).
* Removed functions using dnahash on strings, pts and doubles.
* Improved the speed of hashing for strings and doubles.
* Added function for tiling images in pairs for comparison.
* Added null terminations to serialized strings written to memory, preventing buffer overrun by strlen() [fixed by Stefan Weil].
* No longer use \"NoInit\" versions of pix creation in leptonica. because they risk reading uninitialized data. These functions remain in the library because they are in use in applications.
* Add two composite binarization functions, from prog/binarize_set.
* Giulio Lunati fixed pnm reading to work with stdin input.
* Removed several of the boxa compare and modify functions.
* Implemented reading jpeg200 data encded in j2k \"codestream\" format. Can now read data in both jp2 and j2k.
* Wed Jul 29 2020 Kyrill Detinov - Update to 1.80.0.
* Improve bmp handling of 1 bpp images and sanity checking of params.
* Add function to display all rgb gamut colors.
* In Makefile.am, use option serial-tests to avoid races in testing.
* Make md subdirectory and add ax_split_version.md there.
* Simple function for hue-invariant mapping (pixMapWithInvariantHue).
* Fixed bug in limit of ptra size when used for sorting by bins.
* Use hashmap to count pixel colors in RGB(A) images.
* Convert hashtest program to regression test hash_reg.
* Convert croptest program to regression test crop_reg.
* New color segmentation by region growing (colorfill.c).
* New regression tests: colorfill_reg, circle_reg, ccbord_reg.
* Set maxima for all allocations for common leptonica data structures.
* Don\'t fail when downscaling 2, 4, 8, and 32 bpp images, even to one pixel, invoking pixScaleSmooth().
* New functions that select 1 bpp components based on their area.
* Incremental addition to sorted array of numbers.
* New prog/fuzzing directory for oss-fuzz based fuzzing programs.
* Ue of pixcmapIsValid() with extra argument to determine validity with the pix it is attached to.
* Use lept_stderr() in all programs in the prog directory.
* New program rasteroptest() for thorough testing of rasterop functions.
* Removed the pixSaveTiled
*() functions.
* Stubbed pixDisplayWrite(). Last used in tesseract 3.04.01 (2/2016).
* Sat Jan 25 2020 Kyrill Detinov - Update to 1.79.0.
* Clean up auto-generation of files; removed \'register\'.
* Some fixes for issues identified by fuzzer.
* New source files: checkerboard.c.
* New programs: replacebytes.c, webpanimio_reg.c, partifytest.c, rectangle_reg.c, lowsat_reg.c, rotate_it.c, scale_it.c, dewarp_it.c, pdfio1_reg.c, pdfio2_reg.c, checkerboard_reg.c, underlinetest.c.
* Convert to standard reg test: heap_reg.c, pixa1_reg.c, smallpix_reg.c.
* Improve data checking when reading image file headers (pnm, png, jpeg, tiff).
* Fix some bugs in pnm reading.
* Fix inconsistencies with the encoding type flags in pdf writing.
* Allow tiff to write images with colormaps.
* Fix errors in PS code; made some functions static.
* Add code for animated webp (requires webp mux and demux libraries).
* Add \"partify\" application for separating parts in a musical score.
* Enable tif read/write of gray+alpha and rgba; filter out tiff pixels that are not uint and compression by tile.
* Apply consistent formatting of static const variables.
* Add programs for scaling, rotation and deskew, named dewkew_it, rotate_it and scale_it, for useful operations on arbitrary images.
* Convert pdfiotest program to two regression tests: pdfio1_reg and pdfio2_reg.
* Remove all use of strncat; use stringCat().
* New functions from removing outliers in sequences of boxes.
* Generalize pixAverageInRect(): mask, region and range filters, and subsampling. New pixAverageInRectRGB().
* Fix int overflow bug in pixMedianCut(); required new heap accessor.
* New pixMultiplyGray() allows pix to be multiplied by an array (or another pix).
* Better routines for counting color.
* Lossless conversion for RGB to cmap with not more than 256 colors.
* New histo based global thresholding: pixThresholdByHisto().
* Allow most reg tests to run even if external libraries are not available.
* New one-line gplot functions that return a pix.
* New application to find where corners meet in a checkerboard.
* Add utility functions for painting through mask in cmap pix, creating a hit-miss sela from a color pix, equality of two pta.
* Proper handling of 1 bpp colormap tiffs: remove when reading, preserve when writing.
* Deprecate three pixSaveTile
*() functions; removed all calls to these from the library and progs.
* Include auto_config.h explicitly in all src and prog files.
* Improve input data checking for bmp files.
* Tue Apr 02 2019 Kyrill Detinov - Update to 1.78.0.
* Various improvements in handling boxa sequences and transforms.
* New regression tests: boxa4_reg, string_reg.
* New function for copying a pix, filtered by a boxa.
* Modify histogram method for image comparison.
* More careful attention to invalid boxes in box geometry functions.
* Better string and array functions for search and replace.
* Convenience functions for generating simple masks.
* Allow pdf writing of jp2k images, in full generality.
* Allow writing compressed ps images for printing.
* Modified enum comments to include a suggested enum name.
* New program: imagetops.
* Mon Dec 17 2018 Karol Babioch - Update to 1.77.0
* CVE-2018-7442: potential injection attack because \'/\' is allowed in gplot rootdir. (bsc#1082748)
* CVE-2018-7186: number of characters not limited in fscanf or sscanf, allowing possible attack with buffer overflow. (bsc#1081576)
* CVE-2018-3836: command injection vulnerability in gplotMakeOutput(). (bsc#1079358)
* CVE-2017-18196: duplicated path components. (bsc#1082843)
* CVE-2018-7441: hardcoded /tmp pathnames. (bsc#1082749)
* CVE-2018-7247: input \'rootname\' can overflow a buffer. (bsc#1081631)
* CVE-2018-7440: command injection in gplotMakeOutput using $(command). (bsc#1082747)
* Using a packed struct for bmp headers to avoid crash on some big-endians.
* Fixed a bug in the prototype parser for xtractprotos that was surfaced by a typedef declaration for the bmp headers.
* Added some basic pixa functions for rotation and translation.
* Added an iterative method to find rectangular coverings for arbitrary connected components.
* Enabled read/write for standard jpeg compressed tiff images.
* Enabled reading for the old (deprecated) jpeg-encoded tiffs.
* Fix range selectors for pixa, pixaa, boxa, boxaa, pta: Now, last = -1 goes to the end.
* When reading tiff --> pix, insert IMAGEDESCRIPTION into text field.