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Author SHA1 Message Date
John Cupitt
f0eb493643 fix thumbnail with cmyk output 
see https://github.com/libvips/php-vips/issues/138

thanks AdamGaskins
 2022-03-11 16:21:12 +00:00
John Cupitt
68a8bf42a7 better arg checking for hist_find_ndim 
we were not checking the number of input bands

move checks to _build

thanks travisbell

see https://github.com/libvips/libvips/issues/2634
 2022-01-28 08:47:30 +00:00
John Cupitt
5c249e0e8e note pipe read fix in changelog 2022-01-24 12:12:32 +00:00
John Cupitt
646f2d7fd7 Fix read from pipe with variable chunk sizes 
free the header cache only once it's exhausted
 2022-01-24 12:12:03 +00:00
John Cupitt
774c969d43 fix GIF save change detector 
We were only using the top 25% of the frame for GIF pallette change
detection.

Thanks TheEssem

See: https://github.com/libvips/libvips/issues/2622
 2022-01-18 18:15:38 +00:00
John Cupitt
6b475c92a2 raise linpng size limit 
By default libpng is limited to 1m pixels per axis. Raise this to
VIPS_MAX_COORD, ie. 10m pixels.
 2022-01-13 11:44:28 +00:00
John Cupitt
f75b3c1ee9 adjust GIF alpha threshold 
see https://github.com/libvips/libvips/discussions/2604
 2021-12-31 20:20:56 +00:00
John Cupitt
d3f77e4433 add a sniffer for TTF 
since TTF files can be caught by the almost unfixably overgenerous TGA sniffer

see https://github.com/libvips/php-vips/issues/127
 2021-12-22 10:25:52 +00:00
Joel Larsson
93ff76ce53 Fix documentation typo (#2591) 
A small typo fix on the documenation of `vips_percent`
 2021-12-21 14:54:02 +00:00
John Cupitt
6020d25be4 update changelog for iiif change 2021-12-21 09:47:23 +00:00
Aaron
b6ca9eeff3 dzsave.c: Remove trailing comma from IIIFv3 folder names (#2590) 
Fixes #2589.

Signed-off-by: Aaron <admin@datahoarder.dev>
 2021-12-21 09:46:04 +00:00
John Cupitt
1502b4af0c oop, dropped patch 2021-12-18 18:24:13 +00:00
John Cupitt
9420911ba8 change default GIF frame delay from 1s to 0.1s 
This is the delay if the GCB is missing.

See https://github.com/libvips/libvips/issues/2582
 2021-12-18 18:08:30 +00:00
John Cupitt
65d84d1cbe fix a crash with 0 length vectors 2021-12-16 10:45:10 +00:00
John Cupitt
1fe283cc85 remove GIF frame size limit 
We limited GIFs to 16k on an axis, but there are a few larger than
this. Check for 64k instead (the GIF format limit).
 2021-12-12 10:12:00 +00:00
John Cupitt
6d23a3615e add a fallback path for gif save if no cgif 
Via imagemagick. See https://github.com/libvips/libvips/issues/2574
 2021-12-09 13:00:58 +00:00
John Cupitt
cd80b5ae94 note win fd change in changelog 2021-12-06 13:58:46 +00:00
Lovell Fuller
b28ee777ab
Windows: don't set create time for invalid/stream fd (#2571) 2021-12-06 13:52:02 +00:00
John Cupitt
e0bb8e5d58 make exif resunit optional and default to inch 
Some images don't set the exif resolution unit. We were ignoring exif
resolution in this case, but that's not correct, it's supposed to
default to inch.

See https://web.archive.org/web/20190624045241if_/http://www.cipa.jp:80/std/documents/e/DC-008-Translation-2019-E.pdf for the full spec.
 2021-11-26 11:10:29 +00:00
John Cupitt
edf63dfeeb fix insert 
We were not detecting the shortcut cases for insert correctly, thanks
chreru.

See https://github.com/libvips/libvips/issues/2548
 2021-11-21 14:50:55 +00:00
John Cupitt
f352bcd191 Revert "switch macos CI to the new cgif formula" 
This reverts commit 6cdb199646.
 2021-11-19 18:13:23 +00:00
John Cupitt
6cdb199646 switch macos CI to the new cgif formula 2021-11-19 16:24:19 +00:00
John Cupitt
7ed9760ab9 enable debug for CI 
It turns on quite a few useful asserts.
 2021-11-19 14:57:34 +00:00
John Cupitt
cb58d7d960 _source loaders should all be nocache 
When we image_new_from_source, the source object has some of the loader
state: it tracks the current read position of the load library. This
means that we mustn't keep source loaders in the operation cache, since
a second call could give a different result because the source object
read position might have changed.

Also: add a rewind to get_flags_source in spngload, and jp2k needs to
tag its load region as having no thread ownership or you'll get assert
fails in the test suite with debug enabled.
 2021-11-19 13:55:49 +00:00
John Cupitt
4fd2de5754 fix function list 
jxl/jp2k had dropped from the list for some reason
 2021-11-16 14:15:22 +00:00
John Cupitt
80f2581e0c expand the docs for vips_shutdown() 
see https://github.com/libvips/libvips/discussions/2540
 2021-11-16 10:56:43 +00:00
John Cupitt
7544b27e90 small typos 2021-11-16 10:49:16 +00:00
Remi Collet
407bd1391d
allow libjxl 0.5 (#2539) 2021-11-16 09:51:19 +00:00
John Cupitt
57a0bd82f9 small fixes 
update func list in docs
add missing C decls for hyperbolic trig funcs
 2021-11-15 11:17:36 +00:00
John Cupitt
09771a54ea fix typos 2021-11-14 21:47:43 +00:00
John Cupitt
fef024061f layout fixes for tga sniff 2021-11-14 04:09:23 +00:00
Moggers
b3ff4d9ed6
Implement Header Sniffing For Magickload Tga (#2533) 
Add TGA sniffing
 2021-11-14 04:04:32 +00:00
John Cupitt
01e3f1fc33
set libvips orientation on magickload (#2535) 
Pick up the imagemagick / graphicsmagick orientation field for libvips.

Tested with graphicsmagick, magick6 and magick7.

see https://github.com/libvips/libvips/issues/2528
 2021-11-13 14:38:30 +00:00
John Cupitt
ad295b5d41 add changelog notes 2021-11-13 14:36:38 +00:00
Kleis Auke Wolthuizen
008fe2d2f5 Add unit test 2021-11-13 11:29:46 +01:00
John Cupitt
8195b67d83 better exif string value change detection 
see https://github.com/libvips/libvips/pull/2518
 2021-11-09 19:28:55 +00:00
John Cupitt
296fd99925 clarify doc comments for hist_find_ 
Say when u8 or u16 are picked.

See https://github.com/libvips/libvips/issues/2519
 2021-11-07 11:14:52 +00:00
John Cupitt
6f081de0a0 add minimise to insert 
This patch makes "insert" issue minimise signals for inputs in sequential
mode. This can drop memory use in some programs, for example:

```python

import sys
import random
import pyvips

image = pyvips.Image.black(20000, 20000)

for filename in sys.argv[2:]:
    tile = pyvips.Image.new_from_file(filename, access='sequential')
    x = random.randint(0, image.width - tile.width)
    y = random.randint(0, image.height - tile.height)
    image = image.insert(tile, x, y)

image.write_to_file(sys.argv[1])
```

Before this patch:

```
$ for i in {0..1000}; do cp ~/pics/k2.jpg $i.jpg; done
$ /usr/bin/time -f %M:%e ../manyjoin.py ../x.jpg *.jpg
5456256:4.34
```

With this patch:

```
$ /usr/bin/time -f %M:%e ../manyjoin.py ../x.jpg *.jpg
2475324:3.38
```
 2021-11-05 12:14:50 +00:00
John Cupitt
41e92b9ada tiny arrayjoin polish 2021-11-05 10:09:16 +00:00
John Cupitt
f0e89ac29b Merge branch 'master' of github.com:libvips/libvips 2021-11-04 17:19:15 +00:00
John Cupitt
778ff7fce5 wider margin for arrayjoin minimise 
This patch makes arrayjoin leave a bigger margin off the end of each
input image. This can help some loaders which have large output caches.

See https://github.com/libvips/libvips/issues/2440
 2021-11-04 17:17:17 +00:00
Lovell Fuller
a274a2f7e6
pngsave: allow valid bitdepth of 16 (#2515) 2021-11-04 16:39:12 +00:00
John Cupitt
30fdc3df77 add jp2k load of untiled images 
with this patch, untiled jp2k images are loaded in chunks, saving loads
of memory (but runs much slower)
 2021-11-04 15:26:04 +00:00
John Cupitt
3488c6b410 reorder hyperbolic enums to fix an ABI break 2021-11-03 17:57:42 +00:00
John Cupitt
4b7915994f better test for hyperbolics 2021-11-02 23:03:05 +00:00
John Cupitt
c6d863f9d3 fix inverse hyperbolics 
oop, typo
 2021-11-02 22:58:19 +00:00
Heshy Roskes
d8c04011ea
Add hyperbolic functions (#2508) 
* add hyperbolic functions
* add hyperbolic function tests
* changelog
* add inverse hyperbolic functions for old compilers
 2021-11-02 15:05:37 +00:00
Kleis Auke Wolthuizen
fc92290bb9
Try the new target API first in VImage::write_to_buffer (#2511) 
Needed after PR #2499.
 2021-11-02 13:36:27 +00:00
Kleis Auke Wolthuizen
e95e8c5155
Fix typo in magick7load (#2512) 
Introduced in commit f92069b.
 2021-11-02 12:04:19 +00:00
Kleis Auke Wolthuizen
f92069b035
Incorporate #2506 also in {webp,magick7}load (#2507) 2021-11-01 18:33:27 +00:00