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Author SHA1 Message Date
John Cupitt
bcdaeca578 fix anim webp load for some sizes 
rounding on resize for each frame needs to match resize for whole image
 2019-05-01 16:34:58 +01:00
John Cupitt
b1c995b2d9 more animated webp load fixes 
webpload scale on load works for animated images
 2019-05-01 16:25:13 +01:00
John Cupitt
37865e34f8 oop silly webp jpg mixup in last commit 2019-04-30 20:07:08 +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
ec0b7e7bdf fix pdf test 
for new sizing rules
 2019-04-30 16:24:36 +01:00
John Cupitt
29d29533d4 better pdfload page size rounding 
We were doing simple round down for page size with @scale param. But
this makes it very sensitive to rounding errors, so do rint() instead.

vips-resize() does rint() on the output size as well for the same
reason.

See https://github.com/libvips/libvips/issues/1297#issuecomment-487682785
 2019-04-30 16:08:26 +01:00
John Cupitt
7326a409c6 reenable webp shrink-on-load in thumbnail 
the breakage is in animated webp load with preshrink rather than
thumbnail
 2019-04-29 17:30:34 +01:00
John Cupitt
ea9e477ad3 better gif-loop handling (again) 
setting loops to 0 was broken
 2019-04-29 17:12:20 +01:00
John Cupitt
522ddc1430 better thumbnailing of multipage docs 
shrink-on-load should now work for multipage PDF thumbnailing

see https://github.com/libvips/libvips/issues/1297
 2019-04-29 17:05:19 +01:00
John Cupitt
8482aa3ff1 tiny cleanup 
some left-over pyramid detection code in tiff2vips
 2019-04-29 12:52:47 +01:00
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