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2064 Commits

Author SHA1 Message Date
John Cupitt
678b6d5c95 fix a regression in the C path for dilate/erode 
A ++ had been dropped in the recent refactoring. Credit to kleisauke.

See https://github.com/libvips/libvips/issues/1846
 2020-10-07 15:23:40 +01:00
John Cupitt
9fbf49cf60 Merge branch '8.10' 2020-10-06 11:43:13 +01:00
John Cupitt
80b73af225 note new "speed" param in heifsave 
To help support the rapid move to AVIF.

see https://github.com/libvips/libvips/pull/1819#issuecomment-704145244
 2020-10-06 10:50:06 +01:00
John Cupitt
727eb2ee39 Merge branch '8.10' 2020-10-03 18:29:23 +01:00
John Cupitt
0ee8b1e844 improve seek on pipes 
There were a few issues in VipsSource around seeking on pipes. With this
patch, EOF detection is better, and pipe sources automatically turn into memory
sources when EOF is hit.

see https://github.com/libvips/libvips/issues/1829
 2020-10-03 18:25:24 +01:00
John Cupitt
a1505c6f72 add stdin, stdout to vipsthumbnail 
eg.

	vipsthumbnail stdin[page=2] -o .jpg[Q=90]

mirror of syntax in new_from_file etc.
 2020-10-02 16:46:03 +01:00
John Cupitt
c27c471e28 Merge branch '8.10' 2020-09-28 12:33:32 +01:00
John Cupitt
e3181e0579 get docs building with goi 1.66+ 
It builds now, but some doc sections are missing. Fix this properly in
8.11.

See https://github.com/libvips/libvips/issues/1836
 2020-09-28 12:32:06 +01:00
John Cupitt
b078c3c164 Merge branch '8.10' 2020-09-26 13:15:45 +01:00
John Cupitt
237604bb07 revise heifload EOF detection 
VipsSource used a unix-style model where read() returns 0 to mean EOF.
libheif uses a model where a separate call to wait_for_file_size()
beforehand is used to check thaht the read will be OK, and then the
read() is expected to never fail.

We were trying to put EOF detection into libheif read(), but that's not
the right way to do it. Instead, test for EOF in wait_for_file_size().

see https://github.com/libvips/libvips/pull/1833
 2020-09-26 13:00:52 +01:00
John Cupitt
d967f2bf65 Merge branch '8.10' 2020-09-25 12:43:24 +01:00
John Cupitt
cdae2c1995 note fractsurf fix in changelog 2020-09-25 12:43:04 +01:00
John Cupitt
fd0a0905ff note VImage::new_from_memory_steal() in ChangeLog 
plus doxy commnets etc., see https://github.com/libvips/libvips/pull/1758/
 2020-09-24 10:44:49 +01:00
John Cupitt
01bbef36d5 Merge branch '8.10' 2020-09-23 08:14:47 +01:00
John Cupitt
e4b711a358 better heif signature detection 2020-09-23 08:13:52 +01:00
John Cupitt
fa260df262 Merge branch '8.10' 2020-09-21 09:45:34 +01:00
John Cupitt
54144a8bc5 allow gaussblur sigma 0 
meaning no blur (obviosuly)
 2020-09-21 09:45:08 +01:00
John Cupitt
0c7b65e156 allow both dpi and scale to be set for pdfload 
pdfload didn't allow both dpi and scale to be set. This patch makes the
two settings combine if both are given.

thanks le0daniel

see https://github.com/libvips/libvips/issues/1824
 2020-09-21 09:29:25 +01:00
John Cupitt
d87a72c40d Merge branch '8.10' 2020-09-17 18:22:58 +01:00
John Cupitt
dc88d6c1e1 fix dzsave iiif dimensions 
dzsave in iiif mode could set info.json dimensions off by one

thanks Linden6

see https://github.com/libvips/libvips/issues/1818
 2020-09-17 17:07:08 +01:00
John Cupitt
a88c88bb7b Merge branch '8.10' 2020-09-15 10:20:15 +01:00
John Cupitt
0617165c66 raise minimum libheif version to 1.3 
We didn't compile with anything less than 1.3 anyway.

see https://github.com/libvips/libvips/issues/1817
 2020-09-15 10:18:38 +01:00
John Cupitt
7514afa1fa Merge branch '8.10' 2020-09-14 17:40:18 +01:00
John Cupitt
4227606f5a fix tiff thumbnail from buffer and source 
We were missing the new tiff thumbnail logic on the source and buffer
paths.

see https://github.com/libvips/libvips/issues/1815
 2020-09-14 17:38:20 +01:00
John Cupitt
48a2551957 fix TIFF thumbnail of buffer and source 
We had dropped a couple of patches.

see https://github.com/libvips/libvips/issues/1815
 2020-09-14 17:26:19 +01:00
John Cupitt
f116d0b8e2 Merge branch '8.10' 2020-09-14 12:35:24 +01:00
John Cupitt
348e5e1523 don't set JFIF res if we will set EXIF res 
Some JPEG loaders give priority to JFIF resolution over EXIF resolution
tags. This patch makes libvips not write the JFIF res tags if it will be
writing the EXIF res tags.

See https://github.com/libvips/ruby-vips/issues/247
 2020-09-14 12:33:31 +01:00
John Cupitt
801111a2fa better dint rules 
We had some special cases coded for dhint inheritance, but they could
fail in some edge cases. Revert to something simpler and more
predictable.

see https://github.com/libvips/libvips/issues/1810
 2020-09-08 13:50:14 +01:00
John Cupitt
1864729771 Merge branch 'add-doxygen' 2020-09-06 14:03:29 +01:00
John Cupitt
17c16c0bb6 Merge branch '8.10' 2020-09-06 13:02:34 +01:00
John Cupitt
6b2079bfd3 update magick metadata naming 
IM seem to have changed their rules for naming metadata chunks. They are
now lowercase and ICM is renamed to ICC. Add a simple test too.

See https://github.com/libvips/ruby-vips/issues/246
 2020-09-06 12:59:10 +01:00
John Cupitt
8bdc327320 Merge branch '8.10' 2020-09-04 17:12:45 +01:00
John Cupitt
00096813da note render thread change in changelog 2020-09-04 12:41:19 +01:00
John Cupitt
610eea5462 Merge branch '8.10' 2020-09-03 19:33:09 +01:00
John Cupitt
a88061dfec fix jpegload autorotate 
thanks chregu

see https://github.com/libvips/php-vips/issues/105
 2020-09-03 19:31:56 +01:00
John Cupitt
55d5837f0c Merge branch '8.10' 2020-09-01 12:38:58 +01:00
John Cupitt
20a5448da1 fix handling of "squash" param in tiffsave 
the deprecated param was not being detected correctly, breaking vips7
compat in some cases

see https://github.com/libvips/libvips/issues/1801
 2020-09-01 12:34:09 +01:00
John Cupitt
a3dfa3911e Merge branch '8.10' 2020-08-31 14:10:43 +01:00
John Cupitt
285ab2e6cc better mask sizing for gaussmat 
We were calculating the mask size incorrectly for small masks.

Thanks johntrunc

see https://github.com/libvips/libvips/issues/1793
 2020-08-31 13:37:08 +01:00
John Cupitt
2c4c4132e8 Merge branch '8.10' 2020-08-28 17:47:40 +01:00
John Cupitt
b07cfa858a note svg fix 2020-08-21 11:39:33 +01:00
John Cupitt
409301a200 improve C++ API 
Make VObject inheritance public, so we can have a single set() for all
VObject-derived types.
 2020-08-19 15:08:28 +01:00
John Cupitt
f8faa5f7f7 Merge branch '8.10' 2020-08-19 11:12:18 +01:00
John Cupitt
270933c281 convert no-profile CMYK to RGB on save 
Use the fallback cmyk profile to convert to RGB on save if the image has
no embedded profile.

Thanks augustocdias.

See https://github.com/libvips/libvips/issues/1767
 2020-08-19 11:09:38 +01:00
John Cupitt
182e88957e prevent 0-length buffers reaching imagemagick 
im6 seems to have added an assert for this

see https://github.com/libvips/libvips/pull/1785
 2020-08-17 14:18:59 +01:00
John Cupitt
cdcf63f8e5 fix regression in thumbnail of pyr tiff 
The new subifd pyramid thumbnail code broke the old page-based pyramid
detector.

Thanks tand826

See https://github.com/libvips/libvips/issues/1784
 2020-08-17 10:10:23 +01:00
John Cupitt
633abe7be8 add missing funcs to public C API 
The C API was missing vips_jpegload_source and vips_svgload_source.
Thanks to augustocdias.

See https://github.com/libvips/libvips/issues/1780
 2020-08-14 13:36:12 +01:00
John Cupitt
b981911f67 remove redefinition of typedefs 
We had this in a couple of places:

	typedef struct _A A;
	typedef struct _A A;

Some old gccs (eg. centos6) throw errors for this.

See https://github.com/libvips/libvips/issues/1774
 2020-08-13 12:51:56 +01:00
John Cupitt
fdded88cf7 start 8.10.1 
following the doc generation fix
 2020-08-09 14:39:37 +01:00
John Cupitt
fcaba0e6ba add @profile to webpsave 
small tiffsave fixes too
 2020-07-18 14:49:37 +01:00
John Cupitt
7c2c152a74 note wasm patch in changelog 2020-07-03 02:21:16 +01:00
John Cupitt
e4d38d1d3e clip out of bounds GIF images against the canvas 
Some malformed GIFs have images which lie outside or partly outside the canvas.
With this patch, these frames are clipped and rendered.

Previously, these GIFs were rejected.

See https://github.com/libvips/libvips/issues/1701
 2020-07-02 16:41:37 +01:00
John Cupitt
15e44f731f add spng in there twice 2020-06-30 11:31:33 +01:00
John Cupitt
2b2fabcd3b vipsheader allows stdin as a filename 
```
$ cat k2.jpg | vipsheader stdin
1450x2048 uchar, 3 bands, srgb, jpegload_source
```

See https://github.com/libvips/libvips/issues/1594
 2020-06-29 12:06:34 +01:00
John Cupitt
5540fa97f4 small cleanups for disable deprecated 
- move matrixinvert to mosaicing, fix a leak
- add note to changelog
- small fixes

see https://github.com/libvips/libvips/pull/1593
 2020-06-28 12:14:13 +01:00
John Cupitt
90e61a816b ... note change in ChangeLog 
see https://github.com/libvips/libvips/issues/1585
 2020-06-28 09:53:49 +01:00
John Cupitt
d831ad34d5 add ppm load/save to a connection 
plus some more tests
 2020-06-27 15:23:18 +01:00
John Cupitt
4bf27acccb add 1/2/4 bit PNG save 
- new @bitdepth param
- deprecate @colours param
 2020-06-25 10:40:43 +01:00
John Cupitt
1f8d007d19 rename ppmsave "squash" as "bitdepth" 
in line with the tiffsave change
 2020-06-18 11:57:33 +01:00
John Cupitt
8b469b4516 adjust formatting of 2, 4 bit tiff load/save 
To make it libvipsey. Small fixes as well.
 2020-06-16 18:58:27 +01:00
John Cupitt
95406c7888
Merge pull request #1682 from libvips/libspng-experiment 
Load PNGs with libspng
 2020-06-12 19:11:42 +01:00
John Cupitt
8c19e07ae3 add --vips-config flag 
so "vips --vips-config" now displays:

```
$ vips --vips-config
native win32: no, native OS X: no, open files in binary mode: no, ...
```
 2020-06-12 17:30:57 +01:00
John Cupitt
d5fcb6baaf
Merge branch 'master' into libspng-experiment 2020-06-12 12:42:11 +01:00
John Cupitt
4ae4be7046 note resize work in ChangeLog 2020-06-12 12:40:44 +01:00
John Cupitt
61628eefdf final fixes for spng loader 2020-06-11 13:24:27 +01:00
John Cupitt
1e015654c3 deprecate heifload autorotate 
heifload autorotate is now always on, and we always delete EXIF
orientation tags. If a HEIC image fails to rotate upright, at least it's
someone else's fault.

see https://github.com/libvips/libvips/pull/1680
 2020-06-10 19:57:50 +01:00
John Cupitt
a44814018d Merge branch 'master' into libspng-experiment 2020-06-07 11:56:16 +01:00
John Cupitt
981d5c4b16 revise autorot system 
- deprecate vips_autorot_get_angle() since orientation is no longer a
simple rotate
- add vips_image_get_orientation() and vips_image_get_orientation_swap()
- revise tiff and jpeg loader autorotate to just call vips_autorot(),
but only if necessary
- revise thumbnail autorotate too
 2020-06-06 17:25:46 +01:00
John Cupitt
cff84f4606 add subifd pyr support to thumbnail 
thumbnail can spot subifd pyramids and load lower levels if necessary
 2020-06-02 12:53:36 +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
df4f03863e Merge branch 'master' into libspng-experiment 2020-05-13 14:37:00 +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
29d9fcb0c8 update docs for --delete deprecation 
see https://github.com/libvips/libvips/pull/1564
 2020-05-03 16:10:59 +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
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
fada5f2a44 Merge branch '8.9' 2020-04-21 10:17:57 +01:00
John Cupitt
6f0548dc5c thumbnail could fail on HEIC in some modes 
in locked UP or DOWN mode, vips_thumbnail() could incorrectly select the
thumbnail from a HEIC image even when it was not large enough to
generate the output image.

Thanks ZorinArsenij

See https://github.com/libvips/libvips/issues/1614
 2020-04-21 10:15:02 +01:00
John Cupitt
681271e7b1 Merge branch '8.9' 2020-04-18 12:10:29 +01:00
John Cupitt
0897a77515 update changelog 2020-04-18 11:41:43 +01:00
John Cupitt
86bfadd101 better handling of unaligned tiff tile reads 
We were not checking for alignment correctly in multi-page tiff reads.

Thanks petoor.

See: https://github.com/libvips/pyvips/issues/172
 2020-04-11 14:36:44 +01:00
John Cupitt
471ec9bcc0 fix flood fill on some complex shapes 
could fail to paint everything sometimes
 2020-04-05 12:33:55 +01:00
John Cupitt
834234c23c add all smartcrop mode 
So you can crop to fill as well as crop to fit.

see https://github.com/libvips/libvips/issues/1583
 2020-03-19 18:57:40 +00:00
John Cupitt
3b57e13452 move heifsave to new target API 
and add heifsave_target
 2020-03-15 18:17:08 +00:00
John Cupitt
0badb7c603 add heifload_source 2020-03-15 11:45:56 +00:00
John Cupitt
764b196d50 move pdfload on top of source API 
and add pdfload_source

see https://github.com/libvips/libvips/issues/1541
 2020-03-11 18:15:15 +00:00
John Cupitt
03399b4d7e tiff write sets page number 
tiffsave sets `PAGENUMBER` and `FILETYPE_PAGE`, thanks jclavoie-jive

see https://github.com/libvips/libvips/issues/1565
 2020-03-08 11:06:19 +00:00
John Cupitt
a592d99bb2 add dir detector 
useful for blocking open for read of directories
 2020-03-06 18:05:16 +00:00
John Cupitt
68f766b482 Merge branch '8.9' 2020-03-05 15:03:00 +00:00
John Cupitt
b3a7929247 detect read errors in sniff correctly 
we has a signed/unsigned mixup :(
 2020-03-05 15:02:16 +00:00
John Cupitt
7d3a7e9c29 Merge branch '8.9' 2020-02-28 15:23:31 +00:00
John Cupitt
ab5d511123 add fuzz corpus 2020-02-28 15:22:10 +00:00
John Cupitt
1a0e61510b rewrite matrixsave 
uses new target API
 2020-02-22 17:55:04 +00:00
John Cupitt
ce240b1ca2 revise matrixload for source API 2020-02-22 15:02:12 +00:00
John Cupitt
d68e02a3c4 Merge branch 'revise-csvload' 2020-02-21 18:23:13 +00:00
John Cupitt
bab3486aca fix lines param to csvload 
we had lines and skip mixed up
 2020-02-21 18:22:39 +00:00
John Cupitt
0a23bf3578 revise formatting, add docs 
fix up some formatting from https://github.com/libvips/libvips/pull/1552

plus some other small changes
 2020-02-18 17:37:56 +00:00
John Cupitt
d8ee83e35e Merge branch 'master' of https://github.com/wix-playground/libvips into wix-playground-master 2020-02-07 16:30:26 +00:00
alon-ne
f88dab9ccd
Fix gif dispose handling for DISPOSE_BACKGROUND and DISPOSE_PREVIOUS 
- Add 'scratch' field to gif that holds temporary 'scratch buffer' used for rendering frames
- For DISPOSE_BACKGROUND: Set background color to transparent instead of 0
- For DISPOSE_BACKGROUND: Write background pixels into scratch after rendering current frame, so it will be used in next frame
- For DISPOSE_PREVIOUS: Save frames that are not disposed into 'previous' field in gif, when DISPOSE_PREVIOUS is specified start with that previous frame. see http://webreference.com/content/studio/disposal.html
- Add "ANIMEXTS1.0" to Application Extension parser
- Graphic Control Extension parser refactor
- Compare file contents to expected images for animated gifs in foreign tests
 2020-02-06 17:36:13 +02:00
John Cupitt
862e1ae214 add VIPS_LEAK env var 2020-02-03 17:01:57 +00:00
John Cupitt
559ae542ac revise flags for vipsthumbnail 
The --rotate flag no longer did anything, so add a new --no-rotate flag
connected to the new no-rotate property. --rotate is still there, but
hidden and does nothing.

-o was much easier to remember than -f, so flip back to -o. -f still
works, but is a hidden synonym.

--iprofile, --eprofile were hard to remember. Add --import-profile and
--export-profile synonyms. iprofile / eprofile are still there and still
work, but are hidden.
 2020-02-03 14:49:21 +00:00
John Cupitt
05a45c3418 Merge branch '8.9' 2020-02-02 11:15:09 +00:00
John Cupitt
bb20556b6d ban ppm max_value < 0 
Not allowed by spec, since pixels should be unsigned.
 2020-02-02 11:13:41 +00:00
John Cupitt
46da95f30f Merge branch '8.9' 2020-01-31 16:00:22 +00:00
John Cupitt
8a21f6ea52 fix gif rendering for "waterfall.gif" 
This GIF has dispose set to DISPOSAL_UNSPECIFIED and seems to mean
transparent.

This patch makes gifload use DISPOSAL_UNSPECIFIED as well as _DO_NOT to
mean reuse previous frame.

Thanks DarthSim.

See https://github.com/libvips/libvips/issues/1543
 2020-01-31 15:51:44 +00:00
John Cupitt
e4db74746a fix a deadlock with --vips-leak 
We were usingh a global lock for metadata changes, but some functions
triggered from callbacks in the metadata hash table could also attempt
to acquire the same mutex, leading to deadlock.

This patch gives metadata change it's own lock. Thanks DarthSim.

See https://github.com/libvips/libvips/issues/1542
 2020-01-31 15:25:05 +00:00
John Cupitt
acabd2dc08 add gifload_source 2020-01-30 22:15:48 +00:00
John Cupitt
81fa983121 oop, dropped an "else" 2020-01-29 18:12:37 +00:00
John Cupitt
165a3a3855 Merge branch '8.9' 2020-01-28 13:36:46 +00:00
John Cupitt
42930e8d87 add "depth" param to tiffsave 
Add a "depth" param to tiffsave to set pyramid depth, just like the
"depth" param on dzsave.

See https://github.com/libvips/libvips/issues/1485
 2020-01-26 18:39:47 +00:00
John Cupitt
f8c7f9dac9 interpret \ as an escape char in break_token 
So:

	vips_break_token( "hello\ world", " " )

Sees a single token, `"hello world"`.

This means you can now do things like:

	$ vips arrayjoin "k\ 2.jpg" x.png

Where "k 2.jpg" is a filename containing a space.

See https://github.com/libvips/libvips/issues/1493
 2020-01-26 13:59:04 +00:00
John Cupitt
c14d7c254b add max and min to region_shrink 
Add max and min to region_shrink. Useful with tiffsave and dzsave when
the image is (for example) line art. Thanks rgluskin.

See: https://github.com/libvips/libvips/issues/1490
 2020-01-24 17:55:11 +00:00
John Cupitt
df6ff62cde add @id arg to dzsave 
So you can now set the base of the id property in info.json in IIIF
output. Thanks regisrob.

See https://github.com/libvips/libvips/issues/1531
 2020-01-24 17:12:46 +00:00
John Cupitt
767c87d6e6 better iiif json 
Change "scalefactor" to "scaleFactor", thanks regisrob.

See https://github.com/libvips/libvips/issues/1530
 2020-01-24 16:28:52 +00:00
John Cupitt
53407206cf start 8.10 cycle 2020-01-24 16:26:28 +00:00
John Cupitt
fda5e5c402 lock for metadata changes 
Another attempt at fixing crashes on metadata chenage in highly threaded
applications.

Global lock around set, remove and copy metadata. This is crude, but
simple, the performance impact should be small, and ought to resolve the
problem.

We'll do something better for the next version.

see https://github.com/lovell/sharp/issues/1986
 2020-01-21 08:29:59 +00:00
John Cupitt
fc9edfe593 improve imagemagick init 
graphicsmagick, in some configurations, needs to be told to init the
various loaders.

Thanks @LebronCurry

See https://github.com/libvips/libvips/issues/1528
 2020-01-15 14:42:58 +00:00
John Cupitt
8752a76e66 fix a race in tiled tiffload and pdfload 
We weer minimising sources in the ::minimise handler, but this is called
outside the lock that protects _generate. This patch removes minimise in
this case.

See https://github.com/kleisauke/net-vips/issues/53
 2020-01-14 18:06:12 +00:00
John Cupitt
8c1c8b6c9f fix a warning from magicksave on some platforms 
we were leaving delay_gvalue as {0} then unsetting it, which will
produce a warning with some versions of glib.

Thanks chregu.

See https://github.com/libvips/libvips/issues/1524
 2020-01-13 16:23:58 +00:00
John Cupitt
34fcd1fe69 fix autorot in thumbnail 
`vips_thumbnail()` was not taking a private copy of the image before
modifying metadata during auto-rotate.

Thanks janko.

See https://github.com/libvips/libvips/issues/1523
 2020-01-12 14:24:23 +00:00
John Cupitt
51fc2ff64e don't use new source API for new_from_file etc. 
We were attempting to load images in new_from_file using the new source
API first, then only falling back to the file loaders if that failed.

However, this meant that we did not respect the priority ordering on
loaders, so openslide iamges (for example) were being loaded by the tiff
loader.
 2020-01-09 14:47:14 +00:00
John Cupitt
06b52da52a update ChangeLog for stream rename 2019-12-29 21:48:14 +00:00
John Cupitt
e48f45187b make RGB and sRGB synonmous 
We had a half-baked idea that RGB could mean generic RGB space and sRGB
would mean strict sRGB interpretation.

Unfortunately, this did not work well in practice. For example,
`icc_transform("srgb")` would tag the result as RGB rather than sRGB
(the converter didn't know it was writing sRGB pixels, it just saw
conversion to RGB with an ICC profile), and then later stages would do
unnecessary icc_imports, or worse, fail.

This patch makes RGB and sRGB strict synonyms. If you want to treat an
RGB image as something other than sRGB, you'll need to do it by hand
with the icc_ functions.

See

https://github.com/libvips/pyvips/issues/144

46212e92b1 (r34904985)

https://github.com/libvips/libvips/issues/1494
 2019-12-22 11:40:09 +00:00
John Cupitt
acd9101037 always copy before exif_update 
During write, we often call vips__exif_update(). This updates the exif
block from the other image metadata prior to save.

Always copy the image before calling this.

See https://github.com/lovell/sharp/issues/1986
 2019-11-28 14:45:02 +00:00
John Cupitt
b003b36d7a Merge branch '8.8' 2019-11-27 15:30:33 +00:00
John Cupitt
0bc49a485e remove use of realpath 
It won't work on linux systems with grsec.
 2019-11-27 15:14:42 +00:00
John Cupitt
49a8f0779d Merge branch '8.8' 2019-11-26 09:15:39 +00:00
John Cupitt
298002c530 fix build with imagemagick 6.7.8.9 
Ships with centos7, so an important version to support.

See https://github.com/libvips/libvips/issues/1479
 2019-11-25 15:44:28 +00:00
John Cupitt
486b95eb7b
Merge branch 'master' into add-stream-object 2019-11-19 17:08:03 +00:00
John Cupitt
712157cd16 better support for TIFFs with many alphas 
The premultiplied alpha can be in any position, and it checks if there
is more than one ASSOCALPHA.

See https://github.com/libvips/libvips/issues/1471
 2019-11-18 16:48:34 +00:00
John Cupitt
6b5035c160 update changelog 2019-11-15 17:30:31 +00:00
John Cupitt
c1a027c8d7 ppm load uses streams 2019-11-14 12:57:39 +00:00
John Cupitt
cb7bc24b2a note in changelog 2019-11-12 18:05:17 +00:00
John Cupitt
55024c71ce
Merge branch 'master' into add-stream-object 2019-11-12 14:08:02 +00:00
John Cupitt
ceb2db513d Merge branch '8.8' 2019-11-11 18:05:57 +00:00
John Cupitt
b8ea3f8442 update cpp interface for stream variable rename 2019-11-11 09:24:45 +00:00
John Cupitt
b65a9d7328 oop, missing ! on tiff save 
resolution-unit metadata was not being checked correctly on tiff save,
thanks @kayarre

see https://github.com/libvips/pyvips/issues/133
 2019-11-10 10:26:13 +00:00
John Cupitt
f499cefb0e add iiif layout to dzsave 2019-11-09 20:40:39 +00:00
John Cupitt
edca486f19 revise buffered input 
rad load works now
 2019-11-06 16:35:19 +00:00
John Cupitt
8eeb415b09 Merge branch 'master' into add-stream-object 2019-10-28 05:10:11 +00:00
John Cupitt
8337e17428 add no_strip option to dzsave 
it's sometimes useful to have pyramid tiles with ICC profiles

see https://github.com/libvips/libvips/issues/1451
 2019-10-21 16:46:20 +01:00
John Cupitt
20cb0da247 test suite passes 
with all jpegload coming via VipsStreamInput
 2019-10-11 14:03:10 +01:00
John Cupitt
c9a7b92eeb version bump 2019-09-17 17:16:26 +01:00
John Cupitt
efdf33f3de add vips_error_buffer_copy() 
Add vips_error_buffer_copy() to fix a race in error buffer fetch.

See https://github.com/libvips/libvips/issues/1423

Thanks @dineshkannaa
 2019-09-12 09:49:49 +01:00
John Cupitt
7b2729adfa fix up nifti load/save 
- use double for all floating point scalar metadata, like other loaders
- remove use of stray "n" property
 2019-09-09 16:06:22 +01:00
John Cupitt
dd9eba9e26 add @format and @interpretation to rawload 2019-09-05 16:25:55 +01:00
John Cupitt
1ee54bfa80 Merge branch '8.8' 2019-09-05 12:45:08 +01:00
John Cupitt
06fdc95038 xres/yres params in tiffsave were in cm 
and should have been in pixels/mm

thanks f--f

see https://github.com/libvips/libvips/issues/1421
 2019-09-04 17:02:24 +01:00
John Cupitt
da8cee048f enable alpha in heifsave 
Check for image alpha and enable it. There seem to be some
non-transparent tiles, curiously.

See https://github.com/libvips/libvips/issues/1411
 2019-09-01 16:58:50 +01:00
John Cupitt
75b45cc2ef enable alpha handling in heic load 
use RGBA decoding, when appropriate

see https://github.com/libvips/libvips/issues/1411
 2019-09-01 16:37:43 +01:00
John Cupitt
4b5b982711 merge 8.8 2019-08-31 12:29:50 +01:00
John Cupitt
574be4380e revert sharpen restoring the input colourspace 
icc_export can make _RGB images, so the input can be outside the set of
supported colourspace transforms.

See 46212e92b1 (r34904985)

bump version too.
 2019-08-31 11:29:36 +01:00
John Cupitt
5d19bcf955 Merge branch '8.8' 2019-08-30 11:03:24 +01:00
John Cupitt
6ea76f9632 improve data_length handling in jpg load 
libjpeg uses unsigned ints for data length, so we must use size_t
everywhere.
 2019-08-30 11:00:25 +01:00
John Cupitt
349e76bb85 Merge branch '8.8' 2019-08-29 15:30:20 +01:00
John Cupitt
3161de3b52 verify bands/format for coded vips images 
WHen loading a vips image with Coding set, make sure that Bands and
BandFmt are correct.
 2019-08-29 15:28:55 +01:00
John Cupitt
9a5dca1ef8 Merge branch '8.8' 2019-08-28 10:05:12 +01:00
John Cupitt
46212e92b1 fix default sharpen 
sharpen with sigma 0.5 was doing nothing, since the new int precision
rules meant that we generated a point-point convolution.

This patch increases the int precision for sharpen, so we now work with
sigma down to 0.5.

Also: restore input colourspace. Previously, the output image was always
LabS (the computation space for sharpen). Now, it transforms back to the
input space. This is more in line with how other operators work.

Thanks 2h4dl for pointing this out.

See https://github.com/libvips/pyvips/issues/123
 2019-08-28 09:16:40 +01:00
John Cupitt
2f6cc1fad9 Merge branch '8.8' 2019-08-27 14:49:42 +01:00
John Cupitt
d61a85f6c9 prevent over-pre-shrink in thumbnail 
We could pre-shrink so much that an axis went to 0.

See https://github.com/lovell/sharp/issues/1782#issuecomment-525249430
 2019-08-27 14:47:36 +01:00
John Cupitt
d2ab993931 Merge branch '8.8' 2019-08-27 13:06:27 +01:00
John Cupitt
5cce83a294 check image bounds for GIF load 
It seems giflib does no checking of image dimensions at all, not even
height == 0.
 2019-08-27 13:04:28 +01:00
John Cupitt
23d0d5603d Merge branch '8.8' 2019-08-24 17:15:45 +01:00
John Cupitt
4691260540 better feof() handling in gif load 
Relaxing the read error rules made looping possible .. make sure we
always stop explicitly on eof.
 2019-08-24 17:14:10 +01:00
John Cupitt
77de39320a Merge branch '8.8' 2019-08-24 11:21:48 +01:00
John Cupitt
038409093f clip coding and interpretation on image read 
They could be out of bounds enums. This used not to matter, but we use
them more now, so out of bounds values can cause coredumps.
 2019-08-24 11:20:45 +01:00
John Cupitt
1b57c6d066 Merge branch '8.8' 2019-08-23 15:43:12 +01:00
John Cupitt
4b677fb16a make GIF parse less strict 
Some GIFs don't follow the standard very closely. Let them through.

See https://github.com/libvips/libvips/issues/1404
 2019-08-23 15:40:48 +01:00
John Cupitt
19a80e4efb Merge branch '8.8' 2019-08-21 17:37:16 +01:00
John Cupitt
b5e8e99746 fix a read-one-byte-beyond issue in jpeg load 
libvips could harmlessly read beyond the end of a string with a crafted jpg
file
 2019-08-21 17:17:54 +01:00
John Cupitt
ed2054dbbc revise arithmetic with const 
there's a problem with out of bounds values, for example:

	vips relational_const k2.jpg x.v equal 1000

actually finds pixels == 255, since 1000 is saturated converted to 255
before the test starts.

This patch reworks arithmetic against const values to fix this.
 2019-08-21 10:35:48 +01:00
John Cupitt
2d0c21279a add tests 2019-08-19 16:27:44 +01:00
John Cupitt
d80ce4bf15 fix a problem with shrinkv tail processing 
Tail processing in shrinkv had an implicit assumption of round-down, but of
course we round to nearest. Thanks angelmixu.

see https://github.com/libvips/libvips/issues/1396
 2019-08-13 11:21:01 +01:00
John Cupitt
cdee0feb93 Merge branch '8.8' 2019-08-09 10:12:55 +01:00
John Cupitt
aafc2c7948 add changelog note for profiles.c fix 2019-08-09 10:11:45 +01:00
John Cupitt
988f9594f4 Merge branch '8.8' 2019-08-08 16:11:02 +01:00
John Cupitt
ff58c67e33 add locks for pdfium load 
We used to lock within documents, ie. we did not allow two threads to
work on the same file.

However pdfium is not threadsafe in any way, and this is not supported,
see:

	https://groups.google.com/forum/#!msg/pdfium/kyIdh_J4csg/K1LvfPiHDwAJ

This patch adds locks around pdfium calls.

see:

	https://github.com/libvips/libvips/issues/1380
	https://github.com/libvips/libvips/issues/1275
 2019-08-08 15:54:16 +01:00
John Cupitt
7250b169d4 Merge branch '8.8' 2019-08-07 16:19:23 +01:00
John Cupitt
f36927e78d fix build against graphicsmagick 
- add tests for more features missing in GM
- simplify the IM/GM configure tests
- revise the test suite to pass with GM and IM
 2019-08-07 16:17:27 +01:00
John Cupitt
f0d1a5d82b note PNG comment fix 2019-08-02 10:11:16 +01:00
John Cupitt
332e97272a Merge branch '8.8' 2019-07-29 10:07:29 +01:00
John Cupitt
5e77ab948b fix loop with malformed ppm 
skip_line in ppm parse was not testing for EOF, so it could get stuck
with malformed files

thanks Kyle-Kyle

see https://github.com/libvips/libvips/issues/1377
 2019-07-29 10:05:55 +01:00
John Cupitt
6a75776272 Merge branch 'loader-minimise-experiment' 2019-07-28 17:23:01 +01:00
John Cupitt
0e5447e537 final cleanup 2019-07-28 17:15:54 +01:00
John Cupitt
264f41df1c Merge branch '8.8' 2019-07-24 16:07:39 +01:00
John Cupitt
3510e7abcf fetch HEIC metadata from the main image 
since thumbs don't have it, see https://github.com/libvips/libvips/issues/1373
 2019-07-24 16:06:49 +01:00
John Cupitt
7f3174c3e5 Merge branch 'master' into loader-minimise-experiment 2019-07-23 11:45:24 +01:00
John Cupitt
03bf5a05fa note fuzz in ChangeLog 2019-07-21 18:02:57 +01:00
John Cupitt
2c654060f9 experiment with a different early-close strategy 
We close loaders early in order to save file handles, and on Windows to
make sure that files can be deleted as soon as possible.

Currently loaders do this by watching the Y coordinate of requests and
freeing the fd when the final line of the file is fetched. This is messy
and does not always work, since there are cases when the final line is
not fetched.

Instead, this patch gets loaders to listen for "minimise" on their
output and close on that. This signal is emitted on all upstream images
whenever a threadpool finishes a scan of an image and is usually used to
trim caches after computation.

See https://github.com/libvips/libvips/issues/1370
 2019-07-20 16:31:30 +01:00
John Cupitt
64a6a27326 Merge branch '8.8' 2019-07-19 11:59:38 +01:00
John Cupitt
8cf6a9f9ca don't attempt to save large XMP to JPG 
jpeg_write_marker() with some libjpeg versions will throw a fatal
error with large chunks.

To write >64kb XMP it you need to parse the whole XMP object,
pull out the most important fields, code just them into the main
XMP block, then write any remaining XMP objects into a set of
extended XMP markers.

http://wwwimages.adobe.com/content/dam/Adobe/en/devnet/xmp/pdfs/XMPSpecificationPart3.pdf

Instead, just warn and skip large XMP blocks.

see https://github.com/libvips/libvips/issues/1372
 2019-07-19 11:37:36 +01:00
John Cupitt
044f8b74f6 Merge branch 'master' into add-tiff-webp-zstd 2019-07-11 13:50:47 +01:00
John Cupitt
c3e7504835 Merge branch '8.8' 2019-07-10 17:44:39 +01:00
John Cupitt
5e2d66d14b better early shutdown behaviour in shrinkv 
read the tail of the input to force early shutdown in seq readers

does reducev need something similar?

see https://github.com/kleisauke/net-vips/issues/12
 2019-07-09 16:58:30 +01:00
John Cupitt
52ee3b083f add webp and zstd support to tiffsave 
needs some tests still
 2019-07-08 10:39:44 +01:00
John Cupitt
c7f98ad0a5 Merge branch '8.8' 2019-07-07 13:12:51 +01:00
John Cupitt
e4cff876a8 fix make dist 
we'd renamed a file
 2019-07-07 11:20:28 +01:00
John Cupitt
f45f0ecef4 limit resize if shrink would drop axis <1px 
vips_resize() will break the aspect ratio and limit resize on an axis if
it would result in an image of less than 1px on that axis

see https://github.com/lovell/sharp/issues/1782#issuecomment-508921306
 2019-07-07 10:19:33 +01:00
John Cupitt
3871369d3e Merge branch 'master' into deftomat-master 2019-07-06 14:50:40 +01:00
John Cupitt
777c360774 safer gifload delay array init 
- remove assumptions about n_pages
- minor reformatting
 2019-07-06 11:34:20 +01:00