* cgifsave: theshold alpha and check alpha constraint in one pass

* cgifsave: get rid of sqrt()

one was <, one was <= for HARD_LIGHT
no effect on result, but it's better if they are consistent

* add ICC and scRGB support

see https://github.com/libvips/libvips/issues/2568

* final polish

* flag to save bmp with bitdepth 1

* magicksave: add bitdepth option

* update comments

...

* doc: add missing files and use full paths

It seems that private_headers didn't work for out...

Because signals can be delayed, progress isn't always 100% in posteval.
Lock it to 100%.

See ht...

We were calling it a sum and looking for a change threshold, but really
it's only useful as a ch...

* save GIF palette as metadata

... if there are no local colour tables.

See https://github...

It was all mixed up. We don't need to call colourspace -- this is done
for us by the SAVEABLE sy...

Rather than defaulting to 1928x1080. Also, prefer to use the
`LIBRSVG_CHECK_VERSION` macro inst...

it was rejecting int LABS

see https://github.com/libvips/libvips/pull/2802#pullrequestreview-980832505

This ensures child processes do not inherit open file descriptors
and will close a small but lo...

slightly quicker, works with any byte order

note in changelog

see https://github.com/libvips/libvips/pull/2813

* webpsave: add mixed parameter

* update changelog

* update webpsave documentation

* start adding dzsave to a target

made a thing for gsf to write to a target

* fix stray ta...

* compiles, but untested

* works, but libtiff needs seek for write

next: add seek methods ...

since finish did not return an error code

also make sure we don't call target_end from inside...

Also, use the correct conditional directive in spngsave.

we were not defaulting width and height correctly

see https://github.com/lovell/sharp/pull/3230

This is similar to commit 5221df224f573653045799fdb98f8fdc19922f2d.

- disable deprecated warnings for /deprecated
- detect librsvg rsvg_handle_get_intrinsic_size_in...

the `background` param was BGRA rather than vips-style RGBA

see https://github.com/libvips/libv...

Only warn if PNG contains too many text chunks

Update spngload.c

oops, we were missing the COPYING file

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

than...

Available since libexif 0.6.23.

Previously only update of input EXIF was possible

* Allow to modify/create EXIF 2.3 ASCII tags

Make `tag_is_ascii` aware of the EXIF 2.3 ASCII ...

* libnsgif: Update to latest upstream

* nsgifload: Add palette info to debug output.

use _ everywhere (we have a few uses of - as a separator)

and linewrap for 80 column limit

* Add a round-up option to shrink

* Only leave the final 200% to reduce

* Add gap option t...

librsvg 2.52+ has this new bit of API for finding the SVG dimensions

see https://github.com/libvips/libvips/discussions/2781

since musl users often don't know about this

see https://github.com/libvips/libvips/issues/2761

the ubuntu cmake dev files for nifti seem to be broken, and I can't get meson
to add the depende...

* Improve symbol visibility

* Decorate required internal symbols with VIPS_API

* Remove a ...

That's great! Thank you for doing this, Michael.

otherwise we can get horrible cache thrashing as the shrink will run
without any locality

* quick proposal

warn on startup if untrusted operations might run

use vips_block_untruste...

Strip TIFFs with rowperstrip of 1 used to use 1-pixel high cache tiles.
This could slow reading....

Also, pre-increment `num_warnings` to ensure that we really stop
at 100 warnings.

This patch pushes the new pyvips interpretation guess rules down into
libvips.

See https://gith...

See: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=24383

This reverts commit 89bd46d1c4e0465974b886ef5b5021e988f111a2.

This reverts commit ae7e5e7a54208c5ed4b35921850dd29e2e7a34f7.

thanks lovell, see https://github.com/libvips/libvips/commit/89bd46d1c4e0465974b886ef5b5021e988f...

* libnsgif: Update to latest upstream.

* nsgifload: Update for new pixel format API.

LibNS...

mitigates some DoS attacks somewhat

see https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=2...

since we allow casting between formats ofthe same size with shift enabled

fixes https://bugs.ch...

to avoid trouble with bindings which don't implement get for an empty
VipsArea

see https://github.com/libvips/pyvips/pull/310

since they can trigger a sanity failure in the test suite

see https://github.com/libvips/libvips/discussions/2733

see https://github.com/libvips/libvips/discussions/2733#discussioncomment-2412590

it's deprecated

see https://github.com/libvips/php-vips/issues/138

thanks AdamGaskins

* cgifsave: Added "noloop" option

* cgifsave: Change loop count logic

* make sure nsgifloa...

see https://github.com/libvips/libvips/pull/2712

PDFium allows page width and height to be less than 1, which will cause
libvips severe indegestion.

see https://github.com/libvips/libvips/discussions/2711

Shut down cgif before we shut down the target it is writing to so that
flush in cgif has somewhe...

* Fix segv in `vips_mosaic1`

* Fix ref handling in `rotjoin_search`

* Pass `oarea` to `vip...

nip2 uses the `VIPS_EXEEXT` definition.

The nsgif_data_scan() call returns an error code that says
if anything was wrong with the sourc...

- add note to changelog
- remove dead code
- improve debug output
- track current page number

s...