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Author SHA1 Message Date
Kleis Auke Wolthuizen
2735b71292 Simplify preprocessor directives 2021-04-22 12:04:05 +02:00
Kleis Auke Wolthuizen
d9faf3fe01 Fix autogen warning 2021-04-22 12:02:29 +02:00
Kleis Auke Wolthuizen
221a5f7e8b Remove remnant of gmic 
This was moved to a plugin with commit 927b2d7.
 2021-04-22 12:01:42 +02:00
Kleis Auke Wolthuizen
628d91fd76 gitignore: ignore .dirstamp files 2021-04-22 12:00:41 +02:00
Kleis Auke Wolthuizen
1a821f0360 Fix make uninstall with Doxygen 2021-04-22 11:59:16 +02:00
John Cupitt
74471ba258
Merge pull request #2212 from kleisauke/cpp-function-list-2 
Update C++ binding and function list
 2021-04-21 20:15:55 +01:00
John Cupitt
f5d73170e8
Merge pull request #2213 from kleisauke/cpp-array-double 
C++: add set/get for an array of doubles
 2021-04-21 20:15:29 +01:00
Kleis Auke Wolthuizen
526cf4ec37 C++: add set/get for an array of doubles 2021-04-21 18:49:56 +02:00
Kleis Auke Wolthuizen
c294835200 Update C++ binding and function list 2021-04-21 18:09:34 +02:00
John Cupitt
e8cfc6b5a2
Merge branch 'master' into add-jxl 2021-04-21 14:00:06 +01:00
John Cupitt
57ab63f9f1
Merge pull request #2211 from kleisauke/fix-ci-2 
CI: fix failures in macOS runner
 2021-04-21 13:59:03 +01:00
Kleis Auke Wolthuizen
4af8b9b265 Add fontconfig as dependency 
pangocairo does not list fontconfig as a dependency.
 2021-04-21 14:20:51 +02:00
Kleis Auke Wolthuizen
19e0d0cda1 Use imagemagick@6 on the macOS CI runner 
To avoid a dependency on OpenMP.
 2021-04-21 14:20:48 +02:00
John Cupitt
ac3d9131ca
Merge pull request #2171 from libvips/add-black-point-compensation 
add support for lcms black point compensation
 2021-04-19 18:53:50 +01:00
John Cupitt
693bc3ccbf
Merge branch 'master' into add-black-point-compensation 2021-04-19 18:53:35 +01:00
John Cupitt
4e28039c02 fix distance 0 save, better error messages 2021-04-19 10:12:28 +01:00
Lovell Fuller
76fa92cd17 CI: ensure brew install as a single line, split into base vs formats 2021-04-18 21:25:34 +01:00
John Cupitt
4cd5da2303 update libnsgif from upstream 2021-04-18 18:58:09 +01:00
John Cupitt
c933f8379d
Merge pull request #2203 from tlsa/update-libnsgif 
Update libnsgif
 2021-04-18 18:42:41 +01:00
John Cupitt
63d2da6a1d note JPEG-XL in README.md 2021-04-18 17:57:09 +01:00
John Cupitt
0cdfb851b9 incorporate comments from @lovell review 2021-04-18 17:53:15 +01:00
Michael Drake
a373fd766e lzw: Always read three bytes on fast path to avoid swtich. 2021-04-18 17:50:42 +01:00
Michael Drake
98e8673dbc lzw: Restrict pointers through code reader. 2021-04-18 17:50:42 +01:00
Michael Drake
71eb67ba7c lzw: Constify table pointers in writer functions. 2021-04-18 17:50:42 +01:00
Michael Drake
020fc32108 gif: Switch complex decoder over to continuous lzw API. 2021-04-18 17:50:42 +01:00
Michael Drake
05fddf49e3 lzw: Direct output into frame data, avoiding stack. 
If the frame is non-interlaced, and has the same rowstride as the
full image, then we can decode lzw directly into the output image.
 2021-04-18 17:50:42 +01:00
Michael Drake
0d394487c1 gif: Handle any uncompressed output before exiting due to error. 2021-04-18 17:50:42 +01:00
Michael Drake
5426e9b81a lzw: Add function for decoding multiple LZW codes at a time. 2021-04-18 17:50:42 +01:00
Michael Drake
ed3363b899 lzw: Add support for resumable output of a single code. 
This allows handling of insufficient output buffer space.
 2021-04-18 17:50:42 +01:00
Michael Drake
abd8619bef lzw: Return output array from decode function instead of init. 2021-04-18 17:50:42 +01:00
Michael Drake
01fde32f99 gif: Frame decoding: Rearrange for readability. 2021-04-18 17:50:42 +01:00
Michael Drake
7426c3d500 gif: Frame decoding: Simplify transparency check. 2021-04-18 17:50:42 +01:00
Michael Drake
663bf07aac lzw: Remove written member from context. 
Not needed now that clear codes are handled normally.
 2021-04-18 17:50:42 +01:00
Michael Drake
64ddf20599 lzw: Adapt main code handling to handle clear codes too. 2021-04-18 17:50:42 +01:00
Michael Drake
367f64c5bc lzw: Output values in picture order. 2021-04-18 17:50:42 +01:00
Michael Drake
06443e64e9 lzw: Store code's value count in table. 2021-04-18 17:50:42 +01:00
Michael Drake
8d8aa0dd46 gif: Split out gif frame data decode. 2021-04-18 17:50:42 +01:00
Michael Drake
c9a639d2bd lzw: Rename a bunch of structures, functions and variables. 
new_code              -> code
    last_value            -> value
    first_value           -> first
    previous_entry        -> extends
    current_entry         -> table_size
    previous_code         -> prev_code
    previous_code_first   -> prev_code_first
    current_code_size     -> code_size
    current_code_size_max -> code_max
    lzw__next_code        -> lzw_read_code
 2021-04-18 17:50:42 +01:00
Michael Drake
26c83999cc lzw: Split out output writing. 2021-04-18 17:50:42 +01:00
Michael Drake
92d53337d8 lzw: Rename minimum_code_size to match what it's called in spec. 2021-04-18 17:50:42 +01:00
Michael Drake
ac2d57c288 lzw: Slight simplification of clear code handling. 2021-04-18 17:50:42 +01:00
Michael Drake
eb07e204e7 lzw: Avoid code size increment check when dictionary is full. 2021-04-18 17:50:42 +01:00
Michael Drake
1714cf6c3a lzw: Split out dictionary augmentation. 2021-04-18 17:50:42 +01:00
Michael Drake
47a441f86b lzw: Create #define for number of dictionary entry slots. 2021-04-18 17:50:42 +01:00
Michael Drake
f66e20e017 lzw: Simplify new code handling. 
The tiny overhead of an extra time through the output loop
is worth the simpler code.
 2021-04-18 17:50:42 +01:00
John Cupitt
b1abb2d824 comment spelling 2021-04-15 12:55:14 +01:00
John Cupitt
2a51cf23a3 better Q computation 
stolen from cjxl.cc
 2021-04-14 17:34:30 +01:00
John Cupitt
c48a82d937 cleanups 2021-04-14 16:39:57 +01:00
John Cupitt
4483a2edbc Merge branch 'master' into add-jxl 2021-04-14 15:08:46 +01:00
John Cupitt
f4046a95f1 more dbg output for jxlsave 2021-04-14 12:50:09 +01:00