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Version 1.88 1.Jul.2015
* Fix bug where long comments were read incorrectly. Reported by
kazarny.
* Add --no-ignore-errors option.
Version 1.87 9.Dec.2014
* Always optimize as if the background is transparent. This fixes some
rare bugs reported by Lars Dieckow.
* Fix --crop issue with must-be-preserved frames that are out of the
crop window.
Version 1.86 14.Oct.2014
* Further fix --rotate + --crop.
Version 1.85 14.Oct.2014
* Greatly improve optimization time for images with many colors.
* Add --no-extensions (with the s) and document those options more.
* Fix bug in interaction of --resize and --rotate reported by Michał
Ziemba.
Version 1.84 29.Jun.2014
* Correct optimizer bug that affected GIFs with 65535 or more total
colors. Reported by Jernej Simončič.
Version 1.83 21.Apr.2014
* Correct bug in custom gamma values reported by Kornel Lesiński.
* Update Windows build.
Version 1.82 27.Mar.2014
* Correct bug in `mix` sampling method reported by Bryan Stillwell.
Version 1.81 24.Mar.2014
* Correct bug in `mix` sampling method reported by Bryan Stillwell.
Version 1.80 18.Mar.2014
* Bug fixes and improved error messages.
Version 1.79 17.Mar.2014
* Major improvements in image scaling. Work sponsored by Tumblr via
Mike Hurwitz.
** Add new resize sampling methods `mix`, `box`, `catrom`, `mitchell`,
`lanczos2`, and `lanczos3`, selectable by `--resize-method`. The
`catrom` filter often gives good results; the slightly faster `mix`
method (a bilinear interpolator) is now the default. These new
sampling methods consider all of the image's input colors when
shrinking the image, producing better, less noisy output for most
images.
** Add `--resize-colors`, which allows Gifsicle to enlarge the palette
when resizing images. This is particularly important when shrinking
images with small colormaps---e.g., shrinking a black-and-white
image should probably introduce shades of gray.
* Support extensions such as XMP4 in which extension packet boundaries
matter. Reported by `ata4`.
* Many bug fixes, especially to cropping. Thanks to Tumblr and to
Bryan Stillwell, Tal Lev-Ami, "Marco," and others.
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Problems found with existing digests:
Package fotoxx distfile fotoxx-14.03.1.tar.gz
ac2033f87de2c23941261f7c50160cddf872c110 [recorded]
118e98a8cc0414676b3c4d37b8df407c28a1407c [calculated]
Package ploticus-examples distfile ploticus-2.00/plnode200.tar.gz
34274a03d0c41fae5690633663e3d4114b9d7a6d [recorded]
da39a3ee5e6b4b0d3255bfef95601890afd80709 [calculated]
Problems found locating distfiles:
Package AfterShotPro: missing distfile AfterShotPro-1.1.0.30/AfterShotPro_i386.deb
Package pgraf: missing distfile pgraf-20010131.tar.gz
Package qvplay: missing distfile qvplay-0.95.tar.gz
Otherwise, existing SHA1 digests verified and found to be the same on
the machine holding the existing distfiles (morden). All existing
SHA1 digests retained for now as an audit trail.
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* Correct an optimization bug introduced in 1.76. Reported by Tom
Roostan.
* Major improvements to color selection (important when reducing
colormap size). Use gamma-corrected colors in selection and
dithering; this makes image quality much better. Also, when reducing
colors with dithering, prefer to select colors that dithering can't
approximate.
* Add ordered dithering modes, which avoid animation artifacts. The
default ordered dithering mode (`--dither=ordered`) is a novel mode
that combines some of the visual advantages of error diffusion with
the artifact avoidance of ordered dithering.
* Add halftone dithering (`--dither=halftone`).
* gifview: Improved cache memory management for better animations.
Collect memory for old frames based on an explicit --memory-limit
(default 40MB).
* gifview: Add `--fallback-delay` option, to specify a fallback delay
for frames with delay 0. Thanks to Sung Pae.
* Fix `-O2` crashes introduced with `--resize` improvements. Reported
by Bryan Stillwell.
* Improve `--careful` (fewer crashes). Reported by Bryan Stillwell.
* Improve `-O2`: again, don't refuse to optimize images with local
color tables. Reported by Bryan Stillwell.
* Greatly improve `--dither` speed.
* Improve `--resize` behavior: avoid animation artifacts due to
different rounding decisions. Also speed it up. Reported by Bryan
Stillwell.
* Fix bug where `-O2` would refuse to optimize some images with local
color tables, claiming that "more than 256 colors were required".
What was really required is previous disposal. Reported by Bryan
Stillwell.
* Fix crash bugs on some combinations of `--crop` and `--resize`
(prevalent on images whose first frame didn't cover the whole
logical screen). Reported by Bryan Stillwell.
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* Avoid rounding errors in '--resize'.
* Report error when '-I' is combined with '-b'.
* Frame selections also apply in batch mode.
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Name service error for name=wongs.net type=MX: Host not found, try again.
for five days in a row, on two separate occasions (more than a week apart).
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Several changes are involved since they are all interrelated. These
changes affect about 1000 files.
The first major change is rewriting bsd.builtin.mk as well as all of
the builtin.mk files to follow the new example in bsd.builtin.mk.
The loop to include all of the builtin.mk files needed by the package
is moved from bsd.builtin.mk and into bsd.buildlink3.mk. bsd.builtin.mk
is now included by each of the individual builtin.mk files and provides
some common logic for all of the builtin.mk files. Currently, this
includes the computation for whether the native or pkgsrc version of
the package is preferred. This causes USE_BUILTIN.* to be correctly
set when one builtin.mk file includes another.
The second major change is teach the builtin.mk files to consider
files under ${LOCALBASE} to be from pkgsrc-controlled packages. Most
of the builtin.mk files test for the presence of built-in software by
checking for the existence of certain files, e.g. <pthread.h>, and we
now assume that if that file is under ${LOCALBASE}, then it must be
from pkgsrc. This modification is a nod toward LOCALBASE=/usr. The
exceptions to this new check are the X11 distribution packages, which
are handled specially as noted below.
The third major change is providing builtin.mk and version.mk files
for each of the X11 distribution packages in pkgsrc. The builtin.mk
file can detect whether the native X11 distribution is the same as
the one provided by pkgsrc, and the version.mk file computes the
version of the X11 distribution package, whether it's built-in or not.
The fourth major change is that the buildlink3.mk files for X11 packages
that install parts which are part of X11 distribution packages, e.g.
Xpm, Xcursor, etc., now use imake to query the X11 distribution for
whether the software is already provided by the X11 distribution.
This is more accurate than grepping for a symbol name in the imake
config files. Using imake required sprinkling various builtin-imake.mk
helper files into pkgsrc directories. These files are used as input
to imake since imake can't use stdin for that purpose.
The fifth major change is in how packages note that they use X11.
Instead of setting USE_X11, package Makefiles should now include
x11.buildlink3.mk instead. This causes the X11 package buildlink3
and builtin logic to be executed at the correct place for buildlink3.mk
and builtin.mk files that previously set USE_X11, and fixes packages
that relied on buildlink3.mk files to implicitly note that X11 is
needed. Package buildlink3.mk should also include x11.buildlink3.mk
when linking against the package libraries requires also linking
against the X11 libraries. Where it was obvious, redundant inclusions
of x11.buildlink3.mk have been removed.
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Changes:
- DESCR has 80 culumns
- whitespace
1.37:
=====
- Fix bug where combining `--rotate-X' and `-O' options would cause a
segmentation fault. Reported by Dan Lasley <Dan_Lasley@hilton.com>.
- Rearrange source tree.
1.36:
=====
* Fix subscript-out-of-range error in main.c reported by Andrea Suatoni.
1.35:
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- Fixed bug where `--crop' could cause a segmentation fault, present since
1.32 or 1.33. Reported by Tom Schumm <phong@phong.org>.
1.34:
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- Fixed bug where combining `--crop' and `-O' options could corrupt output.
Reported by Tom Schumm <phong@phong.org>.
1.33:
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- Be more careful about time while animating. In particular, prepare frames
before they are needed, so that they can be displayed exactly when
required. Problem reported by Walter Harms <WHarms@bfs.de>.
- More warning fixes.
1.32:
=====
- Add `--multifile' option handling concatenated GIF files. This is useful
for scripts. For example, `gifsicle --multifile -' will merge all GIF
files written to its standard input into a single animation.
- More fixes for spurious background warnings.
1.31:
=====
- Changed behavior of `--crop X,Y+WIDTHxHEIGHT' option when WIDTH or HEIGHT
is negative. Previously, zero or negative WIDTH and HEIGHT referred to
the image's entire width or height. Thus, the option `--crop 10,0+0x0'
would always lead to an error, because the crop left position (10) plus
the crop width (the image width) was 10 pixels beyond the image edge. The
new behavior measures zero or negative WIDTH and HEIGHT relative to the
image's bottom-right corner.
- Changed background behavior. Hopefully the only user-visible effect will
be fewer spurious warnings.
- Fixed a bug that could corrupt output when optimizing images with `-O2'
that had more than 256 colors.
1.30:
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- Fixed bug in ungif code: Writing a large ungif could corrupt memory,
leading eventually to bad output. This bug has been present since
Gifsicle could write ungifs! Bad files and assistance provided by Jeff
Brown <jabrown@ipn.caida.org>.
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to ${X11BASE} in the header and library search paths into references to
${LOCALBASE}/share/x11-links. These packages should now be strongly-
buildlinked regardless of whether xpkgwedge is installed.
Changes well-tested on NetBSD-1.5X/i386 with and without xpkgwedge and
lightly-tested on NetBSD-1.5.1/alpha without xpkgwedge.
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GIF animations.
Package provided by Ben Wong in pkg/13467.
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