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1714 Commits

Author SHA1 Message Date
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
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
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
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
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
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
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
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
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