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2021-01-19 Bob Friesenhahn <bfriesen@simple.dallas.tx.us>

> * magick/render.c (InverseAffineMatrix): Avoid possible division by zero or absurdly extreme scaling in InverseAffineMatrix(). Fixes oss-fuzz 28293 "Divide-by-zero - InverseAffineMatrix".

2021-01-13 Bob Friesenhahn <bfriesen@simple.dallas.tx.us>

> * configure.ac (CONFIG_STATUS_DEPENDENCIES): Regenerate configure.ac if ChangeLog or version.sh is updated.

2021-01-10 Bob Friesenhahn <bfriesen@simple.dallas.tx.us>

> * coders/pdf.c (WritePDFImage): Converting a TIF to a PDF set the page MediaBox to the TIFF dimensions in pixels while the CropBox is set in local context dimensions. The latter is correct, the former is not. Set the MediaBox to the proper dimension in local context. Should be the same in this context. Patch by Hubert Figuiere and retrieved from SourceForge patch #64 "Incorrect MediaBox in PDF export".

> * magick/pixel_cache.c: Memory cache implementation of pixel cache now uses resource limited memory allocator. It was previously resource limited, but by using the resource allocation APIs directly.

2021-01-09 Bob Friesenhahn <bfriesen@simple.dallas.tx.us>

> * coders/tiff.c: Remove unintended double-charging for memory resource. Remove explicit memset where possible.

2021-01-07 Bob Friesenhahn <bfriesen@simple.dallas.tx.us>

> * coders/gif.c (ReadGIFImage): Fix memory leak of global_colormap if realloc of memory for comment fails. Fixes oss-fuzz 29316 "Direct-leak in MagickMalloc".

> * coders/meta.c (ReadMETAImage): Fix double-free if blob buffer was reallocated after being attached to blob. Fixes oss-fuzz 29193 "Heap-double-free in MagickFree".

2021-01-06 Bob Friesenhahn <bfriesen@simple.dallas.tx.us>

> * configure.ac: Updates to use recommended forms of AC_INIT and AM_INIT_AUTOMAKE. This was/is painful due to how development snapshot versioning is handled. The version string produced for the snapshot version will now contain the snapshot date. Effort has been made to avoid other impacts due to AC_INIT's enforcements for how version information is used.

2021-01-02 Bob Friesenhahn <bfriesen@simple.dallas.tx.us>

> * PerlMagick/Magick.xs: Remove GCC warnings which spewed out at increased warning levels.

> * magick/magick_types.h.in: Hide definitions not intended for the rest of the world under "if defined(MAGICK_IMPLEMENTATION)".

2021-01-01 Bob Friesenhahn <bfriesen@simple.dallas.tx.us>

> * configure.ac: Skip library symbol tests for gdi32 since these fail with the MSYS2 w64-i686 compiler and well as i686 Cygwin. The failures caused a build regression for i686 MSYS2/Cygwin.

> * Copyright.txt: Copyright year updates and ChangeLog rotation for the new year.

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