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Author SHA1 Message Date
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
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
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
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
66f1b4408c never use tiff memcpy mode for ycbcr images 
We were still using memcpy mode for some strip YCbCr images. Clean up
read var naming to make the logic easier to follow.
 2019-04-01 17:10:10 +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
8e55732bcd
Merge pull request #1265 from crashoz/master 
Fixed vips_rect function
 2019-03-22 15:02:53 +00:00
Crashoz
9967ed2455
Fixed vips_rect 
Fixed typo that broke function vips_rect
 2019-03-22 15:43:10 +01:00
John Cupitt
57ce5a3343 set interlace flag for interlaced pngs 
if libpng is recent enough
 2019-03-20 21:50:56 +00:00
John Cupitt
640994b64a fix a possible segv writing images to buffers 
if write failed, vips_image_write_to_buffer() could segv

thanks @dbouron !

see https://github.com/libvips/libvips/issues/1248
 2019-03-20 17:32:44 +00:00
John Cupitt
18c12fd66d remove some old sanity-checks 
regions can have null generate now
 2019-03-20 16:28:22 +00:00
John Cupitt
71a90997ab
Merge pull request #1262 from hroncok/vipsprofile_py3 
Convert tools/vipsprofile to Python 3+2
 2019-03-20 16:11:03 +00:00
Miro Hrončok
8685f977ec Convert tools/vipsprofile to Python 3+2 2019-03-20 16:06:36 +01:00
John Cupitt
af0dc5265f use glib's b64 encode/decode, if available 
see https://github.com/libvips/libvips/issues/1263
 2019-03-20 13:51:41 +00:00
John Cupitt
d7f9ad8b41 improve base64 encode 
- better data source too large check
- could write up to three bytes too far in worst case
- remove dead base64.h
- add an assert for overflow

see https://github.com/libvips/libvips/issues/1263
 2019-03-20 12:50:44 +00:00
John Cupitt
16d6e995a3 update assert in png read 
Strip height in PNG read assert was out of date, casuing errors when
built with debug enabled.

see https://github.com/libvips/libvips/issues/1260
 2019-03-19 14:04:32 +00:00
John Cupitt
8db4373be0 revert debugging change committed by mistake 2019-03-18 17:08:30 +00:00
Kirk Martinez
86cfbc221d
removed broken links and updated 2019-03-18 11:53:27 +00:00
John Cupitt
8c2fff0a44 Merge branch 'master' of github.com:libvips/libvips 2019-03-16 11:53:53 +00:00
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