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Author SHA1 Message Date
John Cupitt
474bfe3782 pytest and valgrind pass 
remove some dbg code
 2020-05-24 17:04:55 +01:00
John Cupitt
a2d196b736 add subifd support to the TIFF writer 
A new subifd switch enables the writing of pyramids layers into subifds
(rather than the default successive pages). This switch is enabled
automatically for multi-page pyramids.

seems to work in quick tests
 2020-05-24 15:21:41 +01:00
John Cupitt
6a8f128831 Merge branch 'master' into ome-tiff-pyramid 2020-05-22 16:12:00 +01:00
John Cupitt
ba0dea001d sort out premultiply rules for upsizing 
vips_resize() uses vips_affine() for upsizing and vips_reduce() for
downsizing. Affine automaticaly does a vips_premultiply() for images
with an alpha channel, but reduce does not. This meant that we could
sometimes premultiply twice.

This patch adds a "premultiplied" flag for affine which turns automatic
premultiuplication off, vips_resize() uses this to block affine's auto
premul feature, and the resize docs are clarified to stress that the
operation does not do premultiplication for you.

See https://github.com/libvips/libvips/issues/1629
 2020-05-19 14:31:34 +01:00
John Cupitt
44db1742fd tiny doc polish 2020-05-19 14:31:22 +01:00
John Cupitt
b4a9636e51
Merge pull request #1657 from lovell/improve-avif-detection 
Improve compile-time libheif and runtime AVIF detection
 2020-05-18 22:38:11 +01:00
Lovell Fuller
00dcfa40f1 Improve compile-time libheif and runtime AVIF detection 2020-05-18 19:43:43 +01:00
John Cupitt
951540f4fe revise text docs 
To clarify the meaning of VipsAlign in this context.

See https://github.com/libvips/libvips/issues/1654#issuecomment-629671463
 2020-05-16 17:57:31 +01:00
John Cupitt
63649629e0 fix doc error 
Hopefully clearer, see https://github.com/libvips/libvips/issues/1654
 2020-05-16 12:37:20 +01:00
John Cupitt
9cdbf3ee07 don't add fontfiles repeatedly in text 
It seems fontconfig will let you add a file repeatedly. This patch adds a
table which is used to block repeated additions and prevents memory growth
and slowdown.

see https://github.com/libvips/libvips/issues/1655
 2020-05-16 12:28:12 +01:00
John Cupitt
84b9d1f638 seems to make an OME pyramid correctly 
```
$ vips tiffsave ../k2.jpg x.tif --tile --pyramid --subifd && tiffinfo x.tif
TIFF Directory at offset 0x900008 (9437192)
  Image Width: 1450 Image Length: 2048
  Tile Width: 128 Tile Length: 128
  Resolution: 72.009, 72.009 pixels/inch
  Bits/Sample: 8
  Sample Format: unsigned integer
  Compression Scheme: None
  Photometric Interpretation: RGB color
  Orientation: row 0 top, col 0 lhs
  Samples/Pixel: 3
  Planar Configuration: single image plane
  SubIFD Offsets: 11797898 12388230 12585130 12634526     0
```
 2020-05-15 17:16:04 +01:00
John Cupitt
c2165671e2 update benchmark result 2020-05-13 16:38:35 +01:00
John Cupitt
d78480c846 update for SPNG_FMT_PNG 
We can now decode PNG to g8/g16/ga8/ga16/rgb8/rgb16 etc.
 2020-05-13 15:25:01 +01:00
John Cupitt
df4f03863e Merge branch 'master' into libspng-experiment 2020-05-13 14:37:00 +01:00
John Cupitt
ffa10eb148 default JFIF res to 72dpi 
We were 1ppm before. 72dpi is the EXIF default.
 2020-05-13 14:34:59 +01:00
John Cupitt
7deead8911 add a subifd flag to tiffsave 2020-05-13 12:45:28 +01:00
elad laufer
c993a7ad2a - use jpeg in test target 2020-05-13 11:12:01 +03:00
elad laufer
b31523b470 Merge branch 'libvipsd-master' 2020-05-12 13:03:31 +03:00
Elad Laufer
b05cf39df8
Handle mirroring in autorot (#8) 
* handle mirroring in autorot
* added tests for autorot
 2020-05-12 13:01:48 +03:00
John Cupitt
5549175b5e add docs for option_string arg to thumbnail 
We'd forgotten to add docs for option_string, thanks zhaohuxing.
 2020-05-12 10:27:48 +01:00
John Cupitt
b9385b9d35 only warn on png save with a bad profile 
Previously we failed. This is very ugly, but it seems to be the only
obvious way to fix this.

See https://github.com/libvips/libvips/issues/1578
 2020-05-11 18:00:26 +01:00
John Cupitt
0c9f311f1e
Merge pull request #1647 from libvips/revise-kernel-calculation 
revise kernel mask calculations
 2020-05-11 13:55:24 +01:00
John Cupitt
e1835d59cd Merge remote-tracking branch 'kleis/fix-regression' 
Fix regression in cast
 2020-05-11 11:45:06 +01:00
John Cupitt
2265ad70a3 revise cast again 
fixes saturated cast to integer
 2020-05-11 11:42:12 +01:00
John Cupitt
d64385ae99 revise kernel mask calculations 
We were seeing small displacements at some shrink factors because of
rounding in the mask size calcualation. This PR takes the rounding into
account when positioning the mask.

See https://github.com/libvips/libvips/pull/1592#issuecomment-626363031
 2020-05-10 18:45:27 +01:00
Kleis Auke Wolthuizen
23bd5bd54c Fix regression introduced in #1619 2020-05-10 13:11:39 +02:00
John Cupitt
b9eddecca3 prevent /0 in jfif res decode 2020-05-06 20:08:36 +01:00
John Cupitt
a2cd5215f1
Merge pull request #1642 from lovell/magick7-is-a-buffer-min-len 
Ensure magick7 buffer+file checks use consistent min length guard
 2020-05-05 14:04:21 +01:00
Lovell Fuller
20bdc41225 Ensure magick7 buffer+file checks use consistent min length guard 
Prevents a zero-length buffer from crashing GetImageMagick
 2020-05-05 13:06:57 +01:00
John Cupitt
77365a8a6f better handling of JFIF res unit 0 
res unit 0 sets the aspect ratio, rather than being unitless

thanks angelmixu

see https://github.com/libvips/libvips/issues/1641
 2020-05-05 11:47:31 +01:00
John Cupitt
8281416ca4 fix hist_norm range 
the cast change broke hist_norm
 2020-05-04 17:04:37 +01:00
John Cupitt
29d9fcb0c8 update docs for --delete deprecation 
see https://github.com/libvips/libvips/pull/1564
 2020-05-03 16:10:59 +01:00
John Cupitt
9558563353
Merge pull request #1564 from UweOhse/master 
deprecate unused option --delete
 2020-05-03 16:03:32 +01:00
John Cupitt
54bfa23025 warn against thumbnail_image 
see https://github.com/libvips/libvips/issues/1637#issuecomment-623094732
 2020-05-03 12:31:17 +01:00
John Cupitt
10f1352f6f clean up, add benchmarks 2020-05-01 23:20:48 +01:00
John Cupitt
53101929c5 workinig! 2020-05-01 20:28:03 +01:00
John Cupitt
02327b6214 add an experimental libspng reader 
it compiles, but I've not tried running it yet heh
 2020-05-01 16:05:48 +01:00
John Cupitt
a5680abbd6
Merge pull request #1619 from kleisauke/compiler-warnings 
Fix two compiler warnings
 2020-05-01 11:30:41 +01:00
Kleis Auke Wolthuizen
7fecd79b0a Fix two compiler warnings 2020-05-01 09:46:26 +02:00
John Cupitt
383be359e8
Merge pull request #1626 from kleisauke/remove-varargs-open 
Remove use of varargs in vips_*_open
 2020-04-30 14:02:37 +01:00
John Cupitt
3aef92bc51
Merge pull request #1627 from kleisauke/temp-name-atomic 
Ensure vips__temp_name creates unique filenames
 2020-04-30 13:53:54 +01:00
John Cupitt
2ad29ed09e better error msg in magicksave 2020-04-27 17:03:18 +01:00
Kleis Auke Wolthuizen
cdf0269871 Ensure vips__temp_name creates unique filenames 
There was a possible chance that vips__temp_name could generate the
same filename twice if it is called concurrently.

This commit ensures that the serial increment is an atomic operation,
similar to #1211.
 2020-04-27 15:27:33 +02:00
Kleis Auke Wolthuizen
6fc2015783 Remove use of varargs in vips_*_open 
This matches the declaration of g_open and helps tools (such as ASan) when
running on non-native platforms.
 2020-04-27 11:56:32 +02:00
John Cupitt
489810989e Merge branch '8.9' 2020-04-24 19:32:40 +01:00
John Cupitt
efd62acccd better iiif tile naming 
We were clipping edge tiles against the size of the scaled up layer.
Instead, clip against the size of the top level image.

See https://github.com/libvips/libvips/issues/1621
 2020-04-24 19:29:35 +01:00
John Cupitt
c2094fcd7c relax thresh for jpegload 
some lib jpegs have slightly different rounding behaviour
 2020-04-24 19:26:17 +01:00
John Cupitt
93337f8eee
Merge pull request #1617 from kleisauke/travis-updates 
Upgrade Python and Clang to latest version on Travis
 2020-04-22 12:12:15 +01:00
John Cupitt
5229061360 fix doc error 
Thanks MathemanFlo

see https://github.com/libvips/libvips/issues/1618
 2020-04-22 11:32:21 +01:00
Kleis Auke Wolthuizen
5f7502ebf7 Upgrade Python and Clang to latest version on Travis 
- Python 2.7 reached the end of its life on January 1st, 2020.
- The ASAN suppression parse errors seems to be fixed within Clang 10.
- Fix macOS build by updating the base 'osx_image' to 'xcode11'.
 2020-04-22 09:39:23 +02:00