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42 commits

Author SHA1 Message Date
Rémi Lauzier
286aaffa31 small fix 2021-06-24 19:47:21 -04:00
Rémi Lauzier
91a18ebe97 Fix some clippy warnings 2021-06-24 15:57:41 -04:00
Kornel
3e996a0f82 Make sure passes clear last line 2021-06-16 19:39:05 -04:00
Kornel
b6cc8e2414
Optimize unfiltering (#400) 
* Clippy lints

* Fewer pushes

* Remove special case for empty last line

* Zip with last line

* Combine bound checks
 2021-05-19 15:16:14 -04:00
Kornel
14867c7abc
Clippy lints (#401) 2021-05-19 10:04:31 -04:00
Kornel
04010978a0 Use optimized copy 2021-01-20 14:33:27 -05:00
Kornel
53ddd721a7 Reject truncated image data instead of panicking 2021-01-20 14:33:27 -05:00
Josh Holmer
b446a8a92e Optimize reading in files 2020-10-22 09:51:25 -04:00
Ingvar Stepanyan
878bbedb37
Improve performance consistency (#202) 
* Improve performance consistency

Switch from HashMap / HashSet to IndexMap / IndexSet for consistent iteration order of various options and, as a result, more predictable performance.
 2020-03-31 21:54:05 -04:00
Josh Holmer
0e3c0b922d Enable more clippy lints and fix some clippy issues 2020-01-19 05:22:14 -05:00
Josh Holmer
139d29cc9b Version 2.3.0 2019-10-07 23:34:23 -04:00
Kamal Ahmad
68b763bcdd Reduce alloc in filtering/unfiltering by reusing buffers (#191) 2019-09-04 11:09:54 -04:00
Felix Hanau
56b94542a6 Fix decoding interlaced images with height or width <= 2 (#175) 2019-06-27 13:44:34 -04:00
Josh Holmer
5b1121c9dd Make order of chunks deterministic by sorting chunks 
Closes #174
 2019-06-18 13:29:17 -04:00
Josh Holmer
d86bc80f43 Prepare for next release 2019-02-01 17:27:03 -05:00
Kornel
9af874d21b Make reductions return a new uncompressed image (#158) 
* Fix verbose message

* No cloning when restoring original data

* Make reductions return a new uncompressed image

Partially fixes #145

* Async reduction evaluator

* Assert

* Faster bit depth check

* Also try 4-bit depth for small-depth images

* Skip test when using miniz

* Ensure palette is trimmed after depth reduction

Fixes #159

* Fudge factor for reductions to prefer better reductions even if gzip estimation says otherwise
 2019-01-27 03:22:49 -05:00
Kornel
55d85df9fc Non-self-mutable reductions (#154) 
* Move reductions to a module. Make copy instead of changing in-place.

* Alpha reductions

* Immutable color reductions

* Immutable interlace reductions
 2019-01-12 05:07:57 -05:00
Joshua Holmer
1305b5cf17 Fix clippy lints and run rustfmt 2018-11-26 13:41:14 -05:00
Kornel
602cd6991e 80× faster palette reduction (#150) 
* Faster palette reduction

* Simplified iterator

* Mutable scanline iterator
 2018-11-25 01:31:43 -05:00
Kornel
686adcdebd Optimize RGB/A to palette conversion (#148) 2018-11-22 21:52:02 -05:00
Kornel
588d5bd52b Tweaks and Microoptimizations (#146) 
* Fixed alpha benchmark

* Dedupe function

* Use integer math when rounding

* Fewer temporaries when slicing palette

* Filtering microoptimizations
 2018-11-20 08:39:46 -05:00
Kornel
4765eaa7f3 Alpha heuristic improvements (#144) 
* Compress alpha with strategy sensitive to repetitions

* Update reductions flag when alpha changed

* Avoid needlessly cloning out-of-date idat_data and temp raw_data
 2018-11-14 08:30:15 -05:00
Kornel
3c466df80e Chunk name as 4 bytes (#135) 2018-09-16 16:09:55 -04:00
Josh Holmer
7895e42687 Version 2.1.1 2018-08-11 20:34:04 -04:00
Josh Holmer
71d0f6fa31 Fix more issues with alpha optim on interlaced images 
Closes #133
 2018-08-11 20:27:45 -04:00
Josh Holmer
f862a0df24 Apply clippy fixes 2018-07-28 16:51:54 -04:00
Matthias Krüger
868fd502b9 reduce_alpha_to_up(): simplify code, don't convert Vec -> iter -> Vec in order to reverse elts, just vec.reverse(). (#127) 2018-07-28 11:19:56 -04:00
Josh Holmer
7303b94afc Fix issue with alpha optim on interlaced images 
Closes #113
 2018-07-27 23:03:36 -04:00
Josh Holmer
d110949d2a Version 2.0.0 2018-07-20 19:19:20 -04:00
Kornel
76a2e51c15 Reduce allocations (#122) 
* Iterate with fewer temp allocations

* Avoid allocation when not reducing

* Avoid slow modulo
 2018-07-20 18:40:51 -04:00
Kornel
efde5747c4 Parse without temporary allocation (#119) 2018-07-15 09:11:26 -04:00
Kornel
d2b1d56e8b Improved limiting of max gzip size (#116) 2018-07-10 22:36:43 -04:00
myfreeweb
ae65e4be8d Make Rayon an optional dependency (#112) 
On WebAssembly, Rayon does not work (thread pool fails to initialize since threads are stubbed out).
 2018-07-06 10:50:36 -04:00
Kornel
442eaf766c Bail early (#104) 2018-06-08 00:09:22 -04:00
Kornel
e472c82876 Option to use Cloudflare's zlib for compression (#103) 
Behind the nightly feature flag for now--stable ASM is coming in Rust 1.27
 2018-06-04 15:39:51 -04:00
Josh Holmer
d7369707ba Fix a change that breaks itertools with newer versions of Rust nightly 2018-03-04 23:47:06 -05:00
Josh Holmer
fe9cd01b82 Replace miniz_sys with miniz_oxide, a Rust implementation of miniz 
This also improves decompression performance by 15%, and obsoletes the
`--zm` parameter.

Closes #57
 2018-01-30 23:52:37 -05:00
Josh Holmer
0c2e3777b1 Refactor an if statement 2018-01-30 22:27:34 -05:00
Josh Holmer
348c7dbc56 Extract a function into a submodule 2018-01-30 22:21:31 -05:00
Josh Holmer
3497040b78 Remove useless annotation 2018-01-30 22:18:22 -05:00
Josh Holmer
cf5b90b444 Preallocate vector on reading in file 
Provides 1.5% overall speedup on -o4
 2018-01-30 22:15:03 -05:00
Josh Holmer
ece85e6d15 Refactoring of internal code into smaller chunks. 
There is still more to be done.
 2018-01-30 09:35:03 -05:00