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Author SHA1 Message Date
John Cupitt
7561d4e52c add libnsgif COPYING 
oops, we were missing the COPYING file

see https://github.com/libvips/libvips/issues/2800

thanks mika-fischer
 2022-05-12 09:48:58 +01:00
John Cupitt
dd9f42269f Merge branch '8.12' 2022-05-11 22:31:13 +01:00
John Cupitt
36cc50500b update changelog for ssize_t fix 2022-05-11 22:30:42 +01:00
John Cupitt
e2c50d07c6 fix ssize_t / ssize_t confusion 2022-05-11 22:29:37 +01:00
John Cupitt
5221df224f fix ssize_t / ssize_t confusion 2022-05-11 22:28:34 +01:00
Kleis Auke Wolthuizen
9cbc361269
Allow to modify/create EXIF OffsetTime* tags (#2796) 
Available since libexif 0.6.23.
 2022-05-10 13:26:09 +01:00
Lovell Fuller
7e64c48ca9
heifsave: allow creation of EXIF metadata (#2794) 
Previously only update of input EXIF was possible
 2022-05-10 08:14:53 +01:00
Kleis Auke Wolthuizen
d91cfa4e53
Allow to modify/create EXIF 2.3 ASCII tags (#2795) 
* Allow to modify/create EXIF 2.3 ASCII tags

Make `tag_is_ascii` aware of the EXIF 2.3 ASCII tags that are
available since libexif 0.6.22.

See: https://github.com/kleisauke/net-vips/issues/167

* Fix CI
 2022-05-10 08:13:22 +01:00
Michael Drake
ceaa2d2096
Update LibNSGIF to latest upstream (#2791) 
* libnsgif: Update to latest upstream

* nsgifload: Add palette info to debug output.
 2022-05-09 10:20:57 +01:00
John Cupitt
460a19b78e revise arg names 
use _ everywhere (we have a few uses of - as a separator)
 2022-05-07 14:50:05 +01:00
John Cupitt
cdcafbc4c5 add changelog notes 
and linewrap for 80 column limit
 2022-05-07 12:51:58 +01:00
Kleis Auke Wolthuizen
894ed1cb13
Resize improvements; add ceil and gap options (#1769) 
* Add a round-up option to shrink

* Only leave the final 200% to reduce

* Add gap option to reduce and resize

* Add unit tests

* Incorporate feedback
 2022-05-07 12:45:38 +01:00
Daniel Löbl
cb55fdcfd8
allow to apply maxerror optimization to frames with alpha channel (#2778) 2022-05-07 12:16:13 +01:00
John Cupitt
20fd8ac0fc support rsvg_handle_get_intrinsic_size_in_pixels 
librsvg 2.52+ has this new bit of API for finding the SVG dimensions
 2022-04-28 13:01:17 +01:00
John Cupitt
f06c9f3bcf add fail-on to thumbnail 
see https://github.com/libvips/libvips/discussions/2781
 2022-04-28 09:08:34 +01:00
John Cupitt
43db3985d0 try to always set the min stack size 
since musl users often don't know about this

see https://github.com/libvips/libvips/issues/2761
 2022-04-19 16:41:18 +01:00
John Cupitt
94d8a7d993 tried (and failed) to build against ubuntu nifti 
the ubuntu cmake dev files for nifti seem to be broken, and I can't get meson
to add the dependency manually
 2022-04-18 15:13:55 +01:00
Kleis Auke Wolthuizen
07edfe37b1
Improve symbol visibility (#2688) 
* Improve symbol visibility

* Decorate required internal symbols with VIPS_API

* Remove a couple of stray header decls

* Incorporate review comment

- Ensure symbol visibility is also set on static libraries.
- Prefer to use `cc.has_function_attribute('visibility:hidden')`.

* Don't export internal deprecated symbols

* Move deprecated symbols to vips7compat.h

* `IM_FORMAT_H` -> `VIPS_FORMAT_H`

* Move `vips_window_ref` compat stub to `vips7compat.c`

* Disable deprecation warnings internally

* `vips_image_get_kill` -> `vips_image_iskilled`

* Ensure API compatibility

* Add missing include directives

* Move `vips__init` decl to vips7compat

* Move `vips__get_sizeof_vipsobject` to vips7compat

* Fix introspection build

* Fix 2 introspection warnings

* Ensure compatibility with vipsdisp

/usr/bin/ld: tilesource.o: in function `tile_source_new_from_source':
vipsdisp/tilesource.c:1627: undefined reference to `vips__region_no_ownership'
 2022-04-16 10:58:55 +01:00
Michael Drake
0c3092fa94
libnsgif: Update to latest upstream (#2766) 
That's great! Thank you for doing this, Michael.
 2022-04-15 18:23:56 +01:00
John Cupitt
55723a980f add a seq to thumbnail_image 
otherwise we can get horrible cache thrashing as the shrink will run
without any locality
 2022-04-14 10:37:17 +01:00
John Cupitt
eba9ec0dd7
Add a way to disable less well tested operations (#2636) 
* quick proposal

warn on startup if untrusted operations might run

use vips_block_untrusted_set() to block untrusted operations, set an env
var or make a file to stop the warning

* mark fits, nifti and svg as untrusted

* remove the annoying "untrusted" warning message

better to warn on the download page

leave vips_block_untrusted_set() since it's obviously useful

* separate UNTRUSTED and BLOCKED

* typos

* add VIPS_BLOCK_UNTRUSTED env var

* move BLOCK_UNTRUSTED after plugin load

obviously, ooops

* add a test, disable *magick

although *magick is fuzzed, it's probably safer to disable it in
untrusted environments

* mark some more operations as untrusted
 2022-04-11 11:32:32 +01:00
John Cupitt
6eae6fcf4b stop strip tiff read using tiny tiles 
Strip TIFFs with rowperstrip of 1 used to use 1-pixel high cache tiles.
This could slow reading. This patch sets a minimum tile height near 16
but a multiple of the strip size.
 2022-04-09 16:38:47 +01:00
Kleis Auke Wolthuizen
6c03343581
Add comments to setjmp invocations (#2751) 
Also, pre-increment `num_warnings` to ensure that we really stop
at 100 warnings.
 2022-04-06 12:01:18 +01:00
John Cupitt
57cd94278a revise interpretation guesser 
This patch pushes the new pyvips interpretation guess rules down into
libvips.

See https://github.com/libvips/pyvips/pull/316
 2022-04-05 18:32:25 +01:00
Kleis Auke Wolthuizen
df26bd1e46 Stop JPEG load after 100 warnings (#2749) 
See: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=24383
 2022-04-05 11:07:29 +02:00
John Cupitt
2dc319b1b1 Revert "stop JPEG load after 20 warnings" 
This reverts commit 89bd46d1c4.
 2022-04-05 08:34:45 +01:00
John Cupitt
1aebd95387 Revert "improve fail on too many warings" 
This reverts commit ae7e5e7a54.
 2022-04-05 08:34:20 +01:00
John Cupitt
ae7e5e7a54 improve fail on too many warings 
thanks lovell, see 89bd46d1c4 (commitcomment-70409015)
 2022-04-04 15:44:37 +01:00
Michael Drake
0f30690360
Update to latest libnsgif (#2747) 
* libnsgif: Update to latest upstream.

* nsgifload: Update for new pixel format API.

LibNSGIF now lets the client select a pixel colour component
order. We use NSGIF_BITMAP_FMT_R8G8B8A8, which is the same
format LibNSGIF always decoded to.

* nsgifload: Remove loop_count from VERBOSE output.

This was internal state for a nsgif_frame_prepare() managed
animation, but VIPS doesn't use nsgif_frame_prepare(). The
loop_count member has been removed from the public structure.
 2022-04-04 13:57:20 +01:00
John Cupitt
89bd46d1c4 stop JPEG load after 20 warnings 
mitigates some DoS attacks somewhat

see https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=24383
 2022-04-03 19:21:06 +01:00
John Cupitt
55b857d446 revise cast asserts 
since we allow casting between formats ofthe same size with shift enabled

fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=45016&q=libvips&can=2
 2022-04-03 15:32:25 +01:00
Lovell Fuller
9228e50f46
vipsload: ensure resolution is positive (#2742) 2022-04-03 11:00:44 +01:00
John Cupitt
dc07b00059 set vips-sequential as a simple int 
to avoid trouble with bindings which don't implement get for an empty
VipsArea
 2022-03-31 17:05:02 +01:00
John Cupitt
39e75e07a2 deprecate "properties", register ".szi" as a suff 2022-03-29 17:50:48 +01:00
John Cupitt
d58b3410c4 tiny perf improvement 2022-03-28 12:35:25 +01:00
John Cupitt
a77a1071a2 fix a crash with empty image arrays in bandjoin 
see https://github.com/libvips/pyvips/pull/310
 2022-03-24 22:38:03 +00:00
John Cupitt
62fee01f3a add notes on cast and copy to arithmetic 2022-03-23 10:24:24 +00:00
John Cupitt
9f351c9c58 tiny doc polish 2022-03-22 15:38:24 +00:00
John Cupitt
75e6906f52 improve morph docs 2022-03-22 15:36:11 +00:00
John Cupitt
9713a71bf0 block resolutions < 0 
since they can trigger a sanity failure in the test suite
 2022-03-22 15:09:13 +00:00
John Cupitt
1b97b52318 clarify draw docs 
see https://github.com/libvips/libvips/discussions/2733
 2022-03-22 10:03:36 +00:00
John Cupitt
a77519f7c3 try to improve docs 
see https://github.com/libvips/libvips/discussions/2733#discussioncomment-2412590
 2022-03-22 09:10:34 +00:00
John Cupitt
eaf34b8f13 remove openjpeg bpp handling 
it's deprecated
 2022-03-17 15:02:29 +00:00
John Cupitt
168d7652c2 Merge branch '8.12' 2022-03-11 16:25:11 +00:00
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
Essem
d4eb2e82d2
cgifsave: Make loop counts more accurate (#2709) 
* cgifsave: Added "noloop" option

* cgifsave: Change loop count logic

* make sure nsgifload returns the correct loop count

* Revert "make sure nsgifload returns the correct loop count"

This reverts commit 77550f097940944492d4178a783fc4e73c7a769f.

* Add fallback
 2022-03-10 12:30:57 +00:00
John Cupitt
356edc3779 revise tests for new libnsgif loop behaviour 
see https://github.com/libvips/libvips/pull/2712
 2022-03-09 10:20:41 +00:00
Michael Drake
292ee9a47e
libnsgif: Update to latest upstream. (#2712) 2022-03-09 10:13:48 +00:00
John Cupitt
2fdab9ba70 check page size from pdfium 
PDFium allows page width and height to be less than 1, which will cause
libvips severe indegestion.
 2022-03-08 10:21:08 +00:00
John Cupitt
ede67090cb revise resample docs 
see https://github.com/libvips/libvips/discussions/2711
 2022-03-06 11:42:27 +00:00