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Author SHA1 Message Date
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
John Cupitt
80f247cfb2 Merge branch '8.8' 2019-07-03 15:33:43 +01:00
John Cupitt
8cb2b613b7 note new heifsave param in changelog 
plus tiny reformatting
 2019-07-03 15:04:58 +01:00
John Cupitt
26100041e7 fewer warnings on tiffload 
We were setting TIFFTAG_JPEGCOLORMODE == JPEGCOLORMODE_RGB for *all*
images, but libtiff warns if you use it on an image which is not
jpg-compressed.

Only set it for jpg-compressed images.

See https://github.com/libvips/libvips/issues/1329
 2019-07-02 12:23:53 +01:00
John Cupitt
e596fe5cd3 Merge branch 'master' into add-unlimited-to-svgload 2019-07-01 12:04:54 +01:00
John Cupitt
55e49831b8 add "unlimited" to svgload 
By default librsvg blocks SVGs > 10MB for security. This patch adds an
"unlimited" flag to remove this check.

We have to switch to using gio to get the librsvg API for this This
needs testing on the platforms we support.

We'll also need to bump the min version of librsvg we require in
configure.ac.

See https://github.com/libvips/libvips/issues/1354
 2019-06-28 13:48:18 +01:00
John Cupitt
8a354c5aec improve webp rgba handling 
disable webp alpha output if all frame fill the canvas and are solid

see https://github.com/libvips/libvips/issues/1351
 2019-06-27 18:44:38 +01:00
John Cupitt
72c103f95a Revert "remove no-alpha webp support" 
This reverts commit d1094847a3.
 2019-06-27 17:27:53 +01:00
John Cupitt
80648c2d2f text autofit could sometimes underfit 
The autofit loop would terminate if either width or height fitted exactly,
but this could happen very early by chance. This patch makes it keep
looping until it finds a dpi which just fits.

See https://github.com/libvips/libvips/issues/1352
 2019-06-27 17:19:53 +01:00
John Cupitt
d1094847a3 remove no-alpha webp support 
We used to try to spot webp images with no alpha and load them as plain
RGB, but it turns out this is difficult to do reliably, especially
for animated images.

This patch simply removes support, so all webp images now load as RGBA.

See https://github.com/libvips/libvips/issues/1351
 2019-06-27 16:37:11 +01:00
John Cupitt
2aef873fcd add vips_image_get/set_array_int() 2019-06-20 11:32:47 +01:00
John Cupitt
8a98bea063 fix vipsthumbnail for pyr tiff files 
thumbnail was not testing pyramidal tiff images for pyramidness correctly.

see https://github.com/libvips/libvips/issues/1297
 2019-06-19 17:56:09 +01:00
John Cupitt
75e69cc1e5 disable Orc if CET is on 
If we are building with -fcf-protection (run-time checking of
indirect jumps) then Orc won't work. Make sure it's off.

Orc may support -fcf-protection in the future, but does not in June 2019.

https://gcc.gnu.org/onlinedocs/gcc/Instrumentation-Options.html#index-fcf-protection
https://gitlab.freedesktop.org/gstreamer/orc/issues/17

see https://github.com/libvips/libvips/issues/1006#issuecomment-501802550
 2019-06-14 14:22:00 +01:00
John Cupitt
37a3a6322c remove 256 band limit from arithmetic.c 
there was a fixed-size array in vips__bandup()

see https://github.com/libvips/libvips/issues/1335
 2019-06-12 09:22:30 +01:00
John Cupitt
ad98222073 better behaviour for vips_region_fetch() 
we weren't clipping the fetch area against region valid, so in some
cases we could return many more pixels than expected

see https://github.com/libvips/pyvips/issues/103
 2019-06-09 20:38:13 +01:00
John Cupitt
bb75535151 much faster ismagick 
We used to Ping files to see if IM would load them, but this can be
extremely slow for file formats like ARW.

Instead, use GetImageMagick() ... it just checks the magic number.
 2019-06-08 16:47:40 +01:00
John Cupitt
eb6c803481 istiff tests first dir rather than magic number 
We were testing for TIFF by checking the magic number at the head of the
file. However, formats like ARW are TIFF-like without being TIFF, and
will not load with tiffload.

Instead, try reading the whole of the first directory. This is enough to
stop tiffload trying to load files where it will simply fail
immediately, and make libvips fall back to eg. imagemagick.

see https://github.com/libvips/libvips/issues/1304
 2019-06-07 17:52:13 +01:00
John Cupitt
dc16f1253a fix a memleak in tiff pyr to memory 
we were not freeing layers other than the top layer
 2019-06-06 10:20:14 +01:00
John Cupitt
5657099223 fix composite for some combinations of blend modes 
composite could get mixed up blend modes if:

- many images being composited
- some small and positioned with x/y
- at least one unskippable blend mode

phew!
 2019-06-04 15:24:54 +01:00
John Cupitt
bd8a6980f5 more consistent behaviour for multi-page load 
Some loaders were setting page-height even when the user was loading a
single page triggering unexpected multi-page behaviour from later
savers.

New rule: only set page-height when loading more than one page.

See https://github.com/libvips/libvips/issues/1318
 2019-05-29 10:10:28 +01:00
John Cupitt
02bdb8b96c better error message for "unsupported colorspace" 
we just printed the enum number before
 2019-05-24 17:42:10 +01:00
John Cupitt
5855321638 improve realpath() compat on older libc 
older libc didn't allow a NULL for the second param
 2019-05-24 15:24:18 +01:00
John Cupitt
394f9baa5e deprecate webpload @shrink, use @scale instead 
We need a fractional scale for thumbnail on webp to work well. @shrink
still works, but @scale overrides it.
 2019-04-30 18:29:16 +01:00
John Cupitt
3245dd301b Merge branch 'master' into szi-associated 2019-04-25 17:25:32 +01:00
John Cupitt
0102a10b49 seems to work 2019-04-24 17:04:31 +01:00
John Cupitt
27aae32ff6 oops 2019-04-22 11:34:45 +01:00
John Cupitt
c98da89ac9 Merge branch '8.7' 2019-04-19 12:47:35 +01:00
John Cupitt
bae484ba2c remove old c++ and py interfaces 
Instead, use the new(er) vips8 C++ interface, and the new(er) python
interface in pypi.

https://pypi.org/project/pyvips
 2019-04-12 16:27:28 +01:00
John Cupitt
080ab87d37 Merge branch 'master' into HEAD 2019-04-11 16:18:39 +01:00
John Cupitt
91d0e7e3d0 move kill mechanism to public API 
the vips_image_set_kill() system was internal. Move it to the public
API.

See eg.:

https://github.com/kleisauke/net-vips/issues/31
 2019-04-06 16:53:42 +01:00
John Cupitt
1f100c0c42 better buffer sizing in tiff reader 
We were not setting JPEGCOLORMODE_RGB early enough, so buffers could be
undersized in some circumstances.

Thanks omira-sch.
 2019-03-31 12:55:30 +01:00
John Cupitt
da15285bf9 add support for justified text 
And set xoffset/yoffset to the top line of text output.

https://github.com/libvips/libvips/issues/1258
 2019-03-16 11:53:09 +00:00
John Cupitt
a663a1bb1c add vips_region_fetch() etc. 
to help ML applications ... they let us generate lots of small rectangular
areas of images very quickly
 2019-03-12 16:00:24 +00:00
John Cupitt
a05a2cb52d mild refactoring of threadpool 
clean up and simplify after https://github.com/libvips/libvips/pull/1240
 2019-02-27 14:23:43 +00:00
John Cupitt
793cbeeaa7 add note abut region_shrink to changes 
somehow got dropped
 2019-02-24 20:13:18 +00:00
John Cupitt
27195cc92c add vips_foreign_get_suffixes() 
Add vips_foreign_get_suffixes(), get an array of all the filename suffixes that
libvips recognises.

See https://github.com/libvips/ruby-vips/issues/186
 2019-02-23 13:50:10 +00:00
John Cupitt
1a83605238 Merge branch 'add-heifload' 2019-02-17 17:11:14 +00:00
John Cupitt
044abe7986 fix some tilecache issues too 2019-02-16 15:32:45 +00:00
John Cupitt
bfa1f22520 works! 
tuned a bit too
 2019-02-14 15:22:51 +00:00
John Cupitt
931b661d2b fix up and test with im6/im7/gm 
seems to work! phew
 2019-02-07 18:35:51 +00:00
John Cupitt
8d5af9fe8a add xmp/ipct/icc etc. to magickload 
ImageMagick supports binary metadata with `ResetImageProfileIterator()`
etc.

Implementing support gives us xmp / ipct / icc support, plus perhaps
some others.
 2019-02-04 17:54:57 +00:00
John Cupitt
f23d0fd754 note new option_string param in changelog 2019-02-03 12:27:58 +00:00
John Cupitt
308c85c004 add support for stored heif thumbnails 2019-01-30 16:19:11 +00:00
John Cupitt
cae7838f86 heifsave seems to work 2019-01-29 16:40:34 +00:00
John Cupitt
33fd2a48f0 basic load works 
no metadata, no options
 2019-01-20 11:33:12 +00:00
John Cupitt
849d24472e revise changelog 
had Klies' magickload fix in there twice
 2019-01-18 12:52:04 +00:00
John Cupitt
dcba364efa Merge branch 'zero-mem-on-malloc' 2019-01-18 11:31:11 +00:00
John Cupitt
00622428bd zero memory on malloc 
to prevent write of uninit memory under some error conditions

thanks Balint
 2019-01-18 10:10:43 +00:00
John Cupitt
00982f6297 add changelog notes 
and small formatting issues
 2019-01-15 09:36:31 +00:00
John Cupitt
bcc76c6edb Merge branch 'master' into tiff-pyr-stop-at-1-pixel 2019-01-12 15:48:17 +00:00
John Cupitt
f768029298 make the savers use profile_load 
tiff, jpeg and png save all use profile_load to attach profiles
 2019-01-11 06:30:06 +00:00
John Cupitt
28999aa5b6 add vips_profile_load() 
and use it in icc_transform
 2019-01-10 22:48:21 +00:00
John Cupitt
960324b08a Merge branch 'master' into add-icc-fallbacks 2019-01-10 15:48:37 +00:00
John Cupitt
5bc342b9b2 revise changelog in magickload fix 2019-01-08 09:05:39 +00:00
John Cupitt
a293da4b5a Merge branch '8.7' 2019-01-04 10:36:59 +00:00
John Cupitt
63c6c7ae30 fix small magicksave error 
copy-paste fail meant that IM exceptions were not inherited correctly

see 1619c8b1a1 (commitcomment-31838043)
 2019-01-04 10:34:30 +00:00
John Cupitt
87062c4a4f Merge branch '8.7' 2019-01-04 09:19:04 +00:00
John Cupitt
1619c8b1a1 fix memleak in magick6load 
IM ExceptionInfo were not being freed correctly. This patch
adds a small wrapper function and uses it to allocate and free all IM
exception objects.

Tested with im 6.9 and gm 1.3.

See:

https://github.com/libvips/lua-vips/issues/24

https://github.com/libvips/libvips/issues/1203
 2019-01-04 08:38:58 +00:00
John Cupitt
b8a158b69b seems to work 
added some more consts as well
 2019-01-03 13:34:13 +00:00
John Cupitt
020ff88f6a Merge branch 'master' into dzsave-skip-blanks 2019-01-02 11:00:42 +00:00
John Cupitt
f611845698 Merge branch 'master' into add-CMYK2XYZ 2018-12-31 14:02:51 +00:00
John Cupitt
6c72ca45b7 Merge branch '8.7' 2018-12-29 22:56:58 +00:00
John Cupitt
9d66420ad5 round to nearest in log scale 
we were doing round to nearest in linear mode, but not log

see https://github.com/libvips/build-win64-mxe/issues/3
 2018-12-29 20:19:38 +00:00
John Cupitt
c5d0ca8300 add cmyk2xyz and back 
seems to work, still to do:

- tests
- try:

```
$ vipsthumbnail NordicsLIQUOR-SFBag_300_cmyk.JPG

(vipsthumbnail:7868): VIPS-WARNING **: 16:53:17.166: profile incompatible with image
```

see https://github.com/libvips/libvips/issues/1186
 2018-12-27 17:35:35 +00:00
John Cupitt
d35343f817 stop making tiff pyr if axis drops to 1 
TIFF pyramids of images with a very extreme aspect raio could see layer
width or height drop to 0 before the image fitted in a single tile. This
change stops pyramid creation when width or height drop to 1.

See https://github.com/libvips/libvips/issues/1188
 2018-12-21 14:47:28 +00:00
John Cupitt
51dbf607dd add skip-blanks option to dzsave 
Skip-blanks was a feature of google layout. This patch makes it into an
option you can control which defaults on in gm mode.

See https://github.com/libvips/libvips/issues/1185
 2018-12-19 14:52:33 +00:00
John Cupitt
1ee5b13205 Merge branch '8.7' 2018-12-17 13:21:28 +00:00
John Cupitt
582b224125 oops revert version bump 2018-12-17 13:20:14 +00:00
John Cupitt
962cab2d0f Merge branch '8.7' 2018-12-17 13:18:58 +00:00
John Cupitt
db4fe60405 fix mapim offsets 
pixels were not being offset by the stencil origin, so interpolators
like bicubic could fail

thanks @erdmann

https://github.com/libvips/libvips/issues/1180
 2018-12-17 12:42:34 +00:00
John Cupitt
6bc564a1e1 turn on smalltile 
2D locality helps a lot with many subimages
 2018-12-07 16:43:44 +00:00
John Cupitt
58776970ec Merge branch 'master' into revise-composite 2018-12-07 14:31:56 +00:00
John Cupitt
0dccfc87b6 Merge branch '8.7' 2018-12-07 14:30:00 +00:00
John Cupitt
da31d0f31a fix autofit loop on non-scaleable fonts 
see https://github.com/libvips/libvips/issues/1178
 2018-12-07 12:57:44 +00:00
John Cupitt
7b19ad8dc1 composite subimage positioning almost done 
--x fails though? odd

vips composite2 Gugg_coloured.jpg PNG_transparency.png x.jpg over --x 600 --y 100

--x causes the dice to clip, but not translate
 2018-12-06 18:28:55 +00:00
John Cupitt
d550016610 Merge branch 'master' into revise-composite 2018-12-06 16:05:25 +00:00
John Cupitt
5fa4ae08da Merge branch '8.7' 2018-12-05 17:37:25 +00:00
John Cupitt
ac4897abee Fix up vips_text() 
Fixes two issues:

1. vips_text() in autofit mode could set the wrong DPI, since it set the
DPI in its own copy of the variable, but did not do a final update on
the DPI setting that FT uses for rendering.

2. vips_text() in autofit mode allocated a new context each time, rather
than reusing the context for that call. This caused a small memory leak.

See https://github.com/libvips/libvips/issues/1174
 2018-12-05 14:24:26 +00:00
John Cupitt
2c26c23163 composite in scanlines, not pixels 
try compositing a scanline at a time, should improve cache locality for
deep image stacks

seems to work, needs benchmarking
 2018-11-27 18:27:38 +00:00
John Cupitt
0669cf2a23 Merge branch 'master' into add-webp-animated 2018-11-23 17:41:09 +00:00
John Cupitt
cff4af34ca add vips_image_set_blob_copy() 
and use it where we can
 2018-11-23 16:27:39 +00:00
John Cupitt
d4815e8b7e more info output for tmpfile open 
to help diagnose problems
 2018-11-21 14:26:52 +00:00
John Cupitt
6b9d89b103 add pyr tiff shrink-on-load for thumbnail 2018-11-16 18:00:25 +00:00
John Cupitt
26d0e312c6 add bandand/or/eor to the cpp binding 
oops, they had been dropped

thanks clcaalu

see https://github.com/libvips/libvips/issues/1165
 2018-11-16 13:10:22 +00:00
John Cupitt
07d58f81b3 fix cast on uint images 
we could get sign and overflow mixed up for casts on uint images

see https://github.com/libvips/nip2/issues/74
 2018-11-14 17:07:49 +00:00
John Cupitt
3e070cbcdf Merge branch 'master' into add-webp-animated 2018-11-05 16:26:45 +00:00
John Cupitt
17c9856e38 add n/page support for webp read 2018-11-05 16:21:21 +00:00
John Cupitt
d6c7d86e12 Merge branch '8.7' 2018-11-05 10:41:46 +00:00
John Cupitt
0bea76d364 fix temp file open 
was not auto-deleteing on windows, needs a fallback on linux

see https://github.com/libvips/libvips/pull/1155
 2018-11-05 10:40:51 +00:00
John Cupitt
7c6f417e68 fix some typos ... it works! 
need to add support for delay and loop still
 2018-10-31 16:52:09 +00:00
John Cupitt
22ba9106b5 implement shrink-on-load for openslide thumbs 
makes vipsthumbnail much quicker on openslide images, obviously

see https://github.com/libvips/libvips/issues/1149
 2018-10-31 14:07:13 +00:00
John Cupitt
0b050f4046 deprecate thumbnail auto_rotate, add no_rotate 
the auto_rotate option of thumbnail was default TRUE which made it
useless from the CLI, since GOption only allows --switch, not
--switch=false

deprecate auto_rotate, add no_rotate, but allow either to be used

see https://github.com/libvips/libvips/issues/1146
 2018-10-31 12:30:37 +00:00
John Cupitt
6be70e6799 add xmp load/save for png 
plus a test
 2018-10-06 11:54:27 +01:00
John Cupitt
703498aa81 Merge branch '8.7' 2018-10-01 21:23:48 +01:00
John Cupitt
0fea113bbf fix build on older glibs 
we were using g_str_to_ascii(), but it was only added in glib 2.40

see https://github.com/libvips/libvips/issues/1117
 2018-10-01 20:15:34 +01:00
John Cupitt
9ac5a449f2 add low/high to smartcrop 
smartcrop attention had a centre setting, but not low or high

see https://github.com/libvips/libvips/issues/1089
 2018-09-22 14:47:40 +01:00
John Cupitt
b552dd0503 version bump to get ready for the vips 8.8 cycle 2018-09-21 15:10:39 +01:00
John Cupitt
f3de6a9521 update function list in docs 
thanks janko-m

see https://github.com/jcupitt/libvips/issues/1097
 2018-09-20 08:26:51 +01:00
Kleis Auke Wolthuizen
b5b756b817 Add vips_object_get_args 
Handy for language bindings.
 2018-08-19 22:42:26 +02:00
John Cupitt
f4250ab7ab scale openexr alpha up 
scale alpha up to 0 - 255 to match the rest of libvips
 2018-08-19 10:53:54 +01:00
John Cupitt
643e7c0ea2 mapim fix for strange float values 
mapim could fail for float index images outside the int range

minor speedup too
 2018-08-12 17:10:23 +01:00
John Cupitt
0b3565c04d update radiance load from upstream 
thanks Greg Ward
 2018-08-03 18:31:31 +01:00
John Cupitt
e89dac20bb add sniffing framework to magickload 
though it only spots ICO for now

see https://github.com/jcupitt/pyvips/issues/39
 2018-07-24 17:38:36 +01:00
John Cupitt
72f589764a remove the @format param to magickload 2018-07-24 17:03:38 +01:00
John Cupitt
2d94fe732a escape ASCII control chars in xml 
stops some XML parse errors on corrupt metadata

see https://github.com/jcupitt/libvips/issues/1039
 2018-07-23 14:55:37 +01:00
John Cupitt
3d5b0b814f merge in test suite 2018-07-20 13:58:27 +01:00
John Cupitt
3201b4373d Merge branch 'master' into add-nifti-support 2018-07-20 13:57:51 +01:00
John Cupitt
d03416d386 works! 
just needs some tests

could be faster too
 2018-07-19 17:45:54 +01:00
John Cupitt
d06c2fee22 use exif_tag_get_name_in_ifd() everywhere 
exif tag names change with the ids they appear in, so you must always
use exif_tag_get_name_in_ifd(), not exif_tag_get_name()

see: https://github.com/jcupitt/libvips/pull/1030
 2018-07-09 09:35:39 +01:00
John Cupitt
d510807e90 vmoe the test suite back into libvips 2018-07-06 15:43:20 +01:00
John Cupitt
3a9adbcea9 seems to work 
could probably add some more fields
 2018-07-03 16:36:39 +01:00
John Cupitt
35b4a1a3b5 fix mem leak in pngsave 
and some reformatting and changelog notes
 2018-06-20 14:20:22 +01:00
John Cupitt
a373d2c876 add changelog notes for region_shrink 2018-06-13 17:36:36 +01:00
John Cupitt
539cc0616c Merge branch '8.6' 2018-06-13 16:24:20 +01:00
John Cupitt
e6edcfe20d improve accuracy of vector path 2018-06-13 16:23:21 +01:00
John Cupitt
3b1e3e1841 add Mitchell kernel 
see https://github.com/jcupitt/libvips/issues/966
 2018-06-12 12:55:10 +01:00
John Cupitt
cc29a13cc7 revise composite position code slightly 
- move x/y into composite and out of composite base, have separate x/y int
params for composite2
- upsize later for a small speed improvement
- doc comment
- note in changelog

see https://github.com/jcupitt/libvips/pull/934
 2018-06-11 17:04:29 +01:00
John Cupitt
0e3cac1a72 make cpp overloads const 
all overloads are declared const now, where possible

also revised cpp examples and ran them to check

see https://github.com/jcupitt/libvips/issues/983
 2018-06-11 15:24:11 +01:00
John Cupitt
ca6410e1a6 make members and getters "const" in cpp api 
eg. VImage::width() is now

	int VImage::width() const;

ie. it does not alter the image objects. In factr we can mark almost all
members const.

see https://github.com/jcupitt/libvips/issues/983
 2018-06-11 14:30:17 +01:00
John Cupitt
87b3f17846 vips7 API defaults off 2018-06-11 12:44:28 +01:00
John Cupitt
fb64d3607a add @background option to pdfload 
Add a "background" option to pdfload to help support PDFs with a
transparent background. For example:

	vips copy transparent.pdf[background=0] x.png

see https://github.com/jcupitt/libvips/issues/995
 2018-06-08 10:28:00 +01:00
John Cupitt
5ec605c98c Merge branch '8.6' 2018-06-01 23:05:16 +01:00
John Cupitt
a3394dc756 fix webp metadata save with webpmux 
see https://github.com/jcupitt/libvips/pull/989
 2018-06-01 23:01:33 +01:00
John Cupitt
e9aaedc60a fix some compiler warnings 
from the msvc patch
 2018-06-01 19:44:43 +01:00
John Cupitt
86a1a0a7e2 Merge branch '8.6' 2018-05-29 19:30:46 +01:00
John Cupitt
7e95ae514d don't use ping in magickload 
too unreliable, sadly
 2018-05-29 19:29:11 +01:00
John Cupitt
0486218ff5 don't use Ping in magickload 
it's too unreliable :-( we are forced to read every time
 2018-05-29 17:20:46 +01:00
John Cupitt
d251b37d92 add vips_argument_get_id() 
We had a global we incremented to allocate property ids, but of course that
won't work with DLLs. Instead, add vips_argument_get_id() and call that to
allocate new prop ids.

See:

https://github.com/jcupitt/libvips/issues/985
 2018-05-29 16:49:20 +01:00
John Cupitt
4058312aee fix a TGA ping crash 
see https://github.com/jcupitt/libvips/issues/980
 2018-05-25 16:40:50 +01:00
John Cupitt
73a55e0322 update ChangeLog 2018-05-25 16:06:05 +01:00
John Cupitt
b085908558 remove vips7 stuff from API 
You must now include vips7 support explicitly with

	#include <vips/vips7compat.h>

in your code just after including `vips.h`.

The old vips7 names, such as `Rect`, were starting to cause problems
with other packages like opencv.
 2018-05-16 15:08:21 +01:00
John Cupitt
fd7b04fb9d Merge branch '8.6' 2018-05-14 18:10:13 +01:00
John Cupitt
5b132ccbdc note new config test in changelog 2018-05-14 17:19:06 +01:00
John Cupitt
e496df598b working! 2018-05-01 15:50:48 +01:00
John Cupitt
4d683559aa add a fontfile option to text 
use @fontfile to give a font to load ... note that this just loads the
font, you'll need to set it with @font as well

see https://github.com/jcupitt/libvips/issues/950
 2018-04-26 21:03:40 +01:00
John Cupitt
da6f4fd043 add n-pages metadata item 
tiff, magick and pdf load now attach an n-pages metadata item recording
the number of pages in the orginal file

see https://github.com/jcupitt/libvips/issues/953
 2018-04-26 08:55:31 +01:00
John Cupitt
4f22e8d1dc add jpeg-chroma-subsample to jpegload 
The jpeg loader now sets the field jpeg-chroma-subsample to record
chroma subsample.

See https://github.com/jcupitt/libvips/issues/954
 2018-04-25 16:04:20 +01:00
John Cupitt
c410dc2db8 add format option to magickload 
Some magick coders (eg. ICO) don't sniff the filetype from the data, so
when you try to load from a string, imagemagick is unable to pick the
right decode path.

Add a @format option so callers can hint the filetype.

see https://github.com/jcupitt/pyvips/issues/39
 2018-04-24 15:06:52 +01:00
John Cupitt
c0569d25bf final fixups 
- add buffer load
- test under valgrind
- code sharing with the poppler pdf loader
 2018-04-11 18:53:38 +01:00
John Cupitt
5b55dd8ed4 Merge branch '8.6' 2018-04-11 09:38:59 +01:00
John Cupitt
d1dd41a21f strict round down on jpeg shrink 
libjpeg rounds up on shrink-on-load. In some cases this can leave a dark
line along the right and bottom edge, since it only contains (for
example) 1/4 of a pixel of data.

This change adds a crop after jpeg load so that only complete pixels are
output.

See https://github.com/lovell/sharp/issues/1185
 2018-04-10 15:18:18 +01:00
John Cupitt
15abbbe986 set "interlaced" for jpg and png 
set "interlaced" for interlaced png and jpg images
 2018-04-09 17:14:38 +01:00
John Cupitt
06802e4110 use O_TMPFILE, if available 
If O_TNMPFILE is available, use it. This is a linux extension that
creates an unlinked file, so it'll be closed by the system when the last
associated fd is closed.

see https://github.com/jcupitt/libvips/pull/930
 2018-04-09 13:27:57 +01:00
John Cupitt
f3842dcc4b update cpp example 
thanks fangqiao

see https://github.com/jcupitt/libvips/issues/932
 2018-04-08 11:44:15 +01:00
John Cupitt
5f3bcd88ae Merge branch '8.6' 2018-04-04 17:11:16 +01:00
John Cupitt
632bce3c78 reduce stack use for radsave 
fixes a crash on very low stack libcs like musl
 2018-04-04 16:25:35 +01:00
John Cupitt
aebb8af803 create funcs always make MULTIBAND 
Before, they could make B_W for one-band output. This caused problems
with (for example) two black image bandjoined: the second band then
looked like an alpha to hasalpha() and enabled premultiply/unpremultiply
for operations like affine.

Now, it's always MULTIBAND. This is the generic multiband image type, so
you don't get any unexpected alpha handling.
 2018-04-04 09:22:57 +01:00
John Cupitt
0dd6b095aa more conservative hasalpha 
The result of hasalpha is used to turn on things like
premultiplication, so we should be rather conservative
about when we signal this. We don't want to premultiply
things that should not be premultiplied.

Check Type as well as bands.

See: https://github.com/jcupitt/libvips/issues/918
 2018-04-03 14:36:43 +01:00
John Cupitt
e686614f2c drop incompatible profiles from save 
libpng has started throwing hard errors if the profile does not match
the image -- this can happen all the time with perofiles inherited from
images that have been processed.

Test profiles before save and drop them (with a warning) if they are
incompatible with the image.
 2018-04-01 10:32:48 +01:00
John Cupitt
5176b4a17e better header sniffing for small files 
vips__get_bytes() used to fail if the file was too small for the
allocated buffer, which was a problem for svg, since files can be extremely
small.

This change makes vips__get_bytes() return the number of bytes read, so
the is_a testers can work on files smaller than the max header size.
 2018-03-22 12:08:39 +00:00
John Cupitt
5a1ab5968b move svg_ia_a into the base class 
feels a bit more logical
 2018-03-22 10:43:01 +00:00
John Cupitt
754a1e5419 Merge branch 'master' into add-canny 2018-03-14 14:18:39 +00:00
John Cupitt
206f158a77 Merge branch '8.6' 2018-03-12 18:12:56 +00:00
John Cupitt
878c77a035 better handling of some fonts 
fonts with very large overlapping edges copuld clip in `text`, see
https://stackoverflow.com/a/49169747/894763
 2018-03-12 18:11:25 +00:00
John Cupitt
08dcf29b10 add vips_rotate() 
vips_similarity() was a little hatrd to discover, so add vips_rotate()
as a more obvious name for it
 2018-03-10 18:45:39 +00:00
John Cupitt
5834779ac6 Merge branch 'master' into add-canny 2018-03-10 15:13:49 +00:00