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Author SHA1 Message Date
John Cupitt
53b43e0497 fix setting of iterations in magicksave 
ImageMagick uses 0 to mean unset, so we must always add 1. See
coders/gif.c.

See https://github.com/libvips/libvips/issues/1302
 2019-04-29 08:43:39 +01:00
John Cupitt
b100f5a025 start revising composite again 
we can get ugly sparkles in transparent areas in some cases ... start
reworking some modes

see https://github.com/libvips/libvips/issues/1301
 2019-04-29 07:43:14 +01:00
John Cupitt
efadb5dc42 fix thumbnail shrink-on-load 
we had the alignment check in the wrong place
 2019-04-27 22:33:20 +01:00
John Cupitt
120c3b62d9 more cmyk jpg tweaks 
passes tes_formats.sh now
 2019-04-27 13:27:18 +01:00
John Cupitt
5d907bdd17 final update for 8.8.0-rc1 2019-04-27 11:41:26 +01:00
John Cupitt
536c76f966 Merge branch 'master' into improve-cmyk-jpg 2019-04-27 11:02:26 +01:00
John Cupitt
4132623024 add test for PNG interlace handling 
see https://github.com/libvips/libvips/pull/1296
 2019-04-27 09:34:49 +01:00
John Cupitt
ce8aff8dd8
Merge pull request #1296 from lovell/png-interlace-handling-ordering 
master: fix interlaced PNG input handling with newer libpng versions
 2019-04-27 09:16:50 +01:00
Lovell Fuller
aff0c4cde5 Ensure png_set_interlace_handling before png_read_update_info 2019-04-26 22:29:16 +01:00
John Cupitt
3245dd301b Merge branch 'master' into szi-associated 2019-04-25 17:25:32 +01:00
John Cupitt
4a9db0e83f fix animated webp background handling 
We were using WEBP_FF_BACKGROUND_COLOR as the background colour, but
that's not correct, it should always be zero (transparent).
WEBP_FF_BACKGROUND_COLOR is there just as a hint when flattening down to
plain RGB.
 2019-04-24 18:18:21 +01:00
John Cupitt
0102a10b49 seems to work 2019-04-24 17:04:31 +01:00
John Cupitt
0df3f0268c Merge branch 'master' into revise-thumbnail 2019-04-24 16:11:25 +01:00
John Cupitt
bb22f66453 oop remove git markup 2019-04-24 16:11:08 +01:00
John Cupitt
b5b7e75b66
Merge pull request #1294 from kleisauke/cpp-const-char 
Change 'char *' to 'const char *' in the C++ binding
 2019-04-24 15:27:05 +01:00
Kleis Auke Wolthuizen
8ac6574560 Change 'char *' to 'const char *' in the C++ binding 
+ some documentation improvements.
 2019-04-24 16:02:52 +02:00
John Cupitt
8b71d0179c Merge branch 'master' into revise-thumbnail 2019-04-23 20:27:30 +01:00
John Cupitt
d2a9a20a78 fix thumbnail regression with cmyk in and out 
56d98f3ef0 broke cmyk->cymk thumbnails
 2019-04-23 17:09:20 +01:00
John Cupitt
56d98f3ef0 thumbnail no longer needs to import cmyk 
since colourspace knows about cmyk now
 2019-04-23 11:35:13 +01:00
John Cupitt
12bc5fbbe3 revise set_stacksize() once more 
so we g_info() if we change it
 2019-04-23 10:12:08 +01:00
John Cupitt
76aca0370f revise set_stacksize() again 2019-04-23 10:01:35 +01:00
John Cupitt
90e1b1cc49
Merge pull request #1293 from abdollar/fix_stack_size 
fixes set_stacksize which broke during merge
 2019-04-22 17:29:19 +01:00
Abdul Chaudhry
c6b9015799
fixes set_stacksize 2019-04-22 09:09:05 -07:00
John Cupitt
27aae32ff6 oops 2019-04-22 11:34:45 +01:00
John Cupitt
23955c8511 Merge branch '8.7' 2019-04-21 11:41:26 +01:00
John Cupitt
4a7b80cc26 ban chroma subsample in non-jpg tiffs 
tiffcp barfs on these too
 2019-04-21 11:39:31 +01:00
John Cupitt
27d8cd40fe Merge branch '8.7' 2019-04-20 17:35:39 +01:00
John Cupitt
472293c8ed rationalize member names in tiff read 
they were rather confusing
 2019-04-20 17:34:59 +01:00
John Cupitt
b26b2105dc oop dbg code committed by mistake 2019-04-20 12:14:27 +01:00
John Cupitt
7e4ebb3a94 fix stacksize on glibc 
- need to define _GNU_SOURCE for glibc to get pthread_setattr_default_np()
- don't warn if we already have enough stack
- reformat to libvips standard
- add note to docs

see: https://github.com/libvips/libvips/pull/1291
 2019-04-20 12:07:27 +01:00
John Cupitt
36bd9dfe4a
Merge pull request #1291 from abdollar/set_stack_size_linux 
provide an option to set the default stack size on linux
 2019-04-20 11:29:05 +01:00
John Cupitt
8fbbfd752f set png chunk limit to 50mb 
we did have it unlimited, which could perhaps leave us open to DOS
attacks
 2019-04-20 10:29:24 +01:00
John Cupitt
ee854d43c4 add configure test for png_set_chunk_malloc_max 2019-04-20 06:07:18 +01:00
John Cupitt
8d7e03237a allow huge png metadata chunks 
By default, libpng refuses to open files with a metadata chunk larger than
8mb. Disable this sanity check.

See: https://github.com/lovell/sharp/issues/1664
 2019-04-20 05:54:37 +01:00
Abdul Chaudhry
25bfad1306
provide an option to set the default stack size on linux 2019-04-19 08:59:45 -07:00
John Cupitt
5301df3d6b Merge branch '8.7' 2019-04-19 16:47:51 +01:00
John Cupitt
6acfcb0506 don't attempt to read YCBCR tiffs in scanlines 
scanline read of YCBCR images will crash libtiff
 2019-04-19 16:46:53 +01:00
John Cupitt
56e5e3c714 fix memleak on read error in webp 
webp read could leak under some error conditions
 2019-04-19 15:17:27 +01:00
John Cupitt
3a940e7080 note leak fix 2019-04-19 15:10:56 +01:00
John Cupitt
da2773000a oop remove dbg code 2019-04-19 15:03:33 +01:00
John Cupitt
7aa46b258a fix memleak in jpegsave_buffer with some errors 
under some error conditions, jpegsave_buffer could forget to release a
half-built image
 2019-04-19 15:01:20 +01:00
John Cupitt
c98da89ac9 Merge branch '8.7' 2019-04-19 12:47:35 +01:00
John Cupitt
691383c2b8 better rejection of broken embedded profiles 
icc_import and _transform now test the embedded profile more carefully.
It must now be a valid profile and must be compatible with the image.

see https://github.com/libvips/libvips/issues/1286
 2019-04-17 16:19:38 +01:00
John Cupitt
c8ba6fcae5 tiny cleanups 2019-04-16 18:11:37 +01:00
John Cupitt
ce24917d4a only read webp bg in anim 
non-anim webp does not use the background property

see https://github.com/libvips/libvips/issues/1261
 2019-04-16 17:52:09 +01:00
John Cupitt
bafc5775f0 fix ms/cs mixup in webp load/save 
there was a mixup between milliseconds (what webp uses for timestamps)
and centiseconds (what gif uses for delay times)
 2019-04-16 17:12:57 +01:00
John Cupitt
670d109a67 fix webp anim load 
we were dropping the first frame and duplicating the last frame, thanks
to a < / <= mixup

see https://github.com/libvips/libvips/issues/1261
 2019-04-16 16:54:47 +01:00
John Cupitt
e081ae2d99 experiment with app14 decode 2019-04-15 10:50:42 +01:00
John Cupitt
c351c665a1 more fixups from the vips7 removal 2019-04-14 12:48:02 +01:00
John Cupitt
6a3b197f31 smoother aniamted webp write 
set the timestamp for the fake final frame equal to the last actual
frame ... removes the anim hitch

we are still mysteriously dropping a frame though

see https://github.com/libvips/libvips/issues/1261
 2019-04-12 17:06:42 +01:00