- version update to 1.3.39
  Special Issues:
  * GraphicsMagick really does need some additional productive
    volunteers.  For several years now, the burden has entirely been on
    me (Bob Friesenhahn).  I have been sheparding the project for 20
    years already (and contributed to ImageMagick and GraphicsMagick
    combined for 26 years already).  It is not reasonable to expect
    someone with a full time job (and expecting to retire in a few
    years) to do all of the work.
  Security Fixes:
  * GraphicsMagick is participating in Google's oss-fuzz project since
    February 4 2018 due to the contributions and assistance of Alex
    Gaynor and Paul Kehrer. The issues list is available at
    https://bugs.chromium.org/p/oss-fuzz/issues/list under search term
    "graphicsmagick".  Issues are available for anyone to view and
    duplicate if they have been in "Verified" status for 30 days, or if
    they have been in "New" status for 90 days.  Please consult the
    GraphicsMagick ChangeLog file, Mercurial repository commit log, and
    the oss-fuzz issues list for details.
  Security Fixes:
  * oss-fuzz: Several security fixes originating from oss-fuzz testing.
  * ALL: Replace strcpy() with strlcpy(), replace strcat() with
    strlcat(), replace sprintf() with snprintf().  Prefer using bounded
    string functions.  This change is made for the purpose of increasing
    safety than to address any existing demonstrated concern.
  Bug fixes:
  * Coverity: Several fixes for issues found by Coverity to reduce the
    number of reported issues back down to zero.
  * Clang Analyzer 12: Fix most discovered issues.
  * PNG: Fix possible use of uninitialized 'ping_num_trans' value in
    ReadOnePNGImage().
  * MinGW: Eliminate overwrite of existing _MSC_VER value in MinGW compile.
  * MNG: Fix heap-use-after-free in CloseBlob.
  * MNG: Fix indirect leak in MagickMallocCleared().
  * PS: Assure that 'bounds' structure is initialized.
  * EPT: Assure that 'bounds' structure is initialized.
  * HEIF: If heif_image_handle_get_metadata_size() returns 0, then
    carrying on with reading image data.
  * configure.ac: Fix Bashism in maintainer-mode check.
  * TGA: Remove a defective validation of comment length, which blocked
    reading some sample TGA files from the "Encyclopedia Of Graphics
    File Formats" book.  Monochromatic bilevel TGA can now be read and
    written.  TGA "Footers" are now read and used when logging as well
    as converted to Image attributes.
  * WebP: Add configure.ac updates to check for libsharpyuv so that
    builds with the development version work again.
  * Visual Studio Build (VisualMagick): Fix project file generation.
    Improve portability of code for configure.exe.
  * Fixed mixed encoding (non-UTF-8) errors in text and source files.
  * DrawPrimitive(): Fix composition using "0,0" for image size.  This
    became broken in GraphicsMagick 1.3.36.
  * Blob API: Fixed SEEK_END validation.  SEEK_END was not used before,
    but now it is.
  New Features:
  * AVIF: Support reading AVIF via libheif if it supports decoding AVIF
    (still no writer support).
  * LOG: Added function IsEventLogged() to report if a particular event
    will be logged.  Us this as much as possible throughout the software
    to replace use of IsEventLogging().  This avoids a possible
    performance hit if any logging is enabled at all and logging
    statements are executed which are filtered and produce no output.
  * FITS: Support storing multiple scenes in one file (non-standard
    extension).
  * JPEG: Optionally enable arithmetic coder in JPG images using
    '-define jpeg:arithmetic-coding=true'.
  * JPEG: Add support for reading deep gray images.
  * HEIF: Support reading ICC color profiles.
  * Produce ASCII armored ".asc" format GPG signature files.
  * Support reading directly from .bz2, .gz, .svgz, and .Z files
    (without creating a temporary file), if possible.
  API Updates:
  * Magick++: Provide a version of Image::colorMapSize() which is a
    'const' method.  Continue to provide the non-const version in order
    to avoid an ABI change.  The compiler should choose the appropriate
    version.
  Feature improvements:
  * HTML documentation generation based on Docutils is significantly
    updated and improved.
  * PerlMagick: Added more sample input files and changed many reader
    tests to use hash signature rather than comparison to reduce the
    distribution size.
  * Blob: The ReadBlobString() function has been re-written to perform
    better when reading from files.
  * JXL: The JXL coder is updated to compile with what will likely
    become JXL 0.8.0.  Support for 16-bit 'short' samples, 16-bit
    'float' samples, and 32-bit float samples added.  Support for
    reading and writing ICC, EXIF, and XMP profiles added.
  * MIME: GM "magick" to MIME mappings have been added for apng, avif,
    bmp, ico, and webp (regardless of if they are supported).
  * XPM: The XPM reader performance is dramatically improved and is
    observed to be 32x faster when reading a medium-sized XPM file
    (e.g. the GraphicsMagick logo).
  * XPM: Support reading "deep" images with more pallete entries than
    the maximum colormap size.
  Windows Delegate Updates/Additions:
  * Update bundled libjasper to version 1.900.26. Please note that 4.0.0
    is the latest version at this time and fixes a great many security
    and stability issues which are present in 1.900.26.
  * Update bundled libjpeg to version 9e.
  * Update bundled libtiff to version 4.5.0.
  Build Changes:
  * MSVC: Added porting function to emulate C'99 snprintf for MSVC older
    than 2015.
  * MSVC: Successfully compiles using Visual Studio 2008 and 2019.
    Compiles successfully using Visual Studio 2022 if optimization is
    disabled (otherwise there is an internal compiler error in effect.c).
- Enable JPEG-XL on Tumbleweed. (forwarded request 1056878 from munix9)

• Files Changed
• Browse Source