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Author SHA1 Message Date
John Cupitt
a560d7df50 better vips7 compat 
revise the vips7 PNG wrapper to work with libspng, though performance
may be poor

thanks SkyDiverCool

https://github.com/libvips/libvips/issues/2233
 2021-04-30 08:20:19 +01:00
John Cupitt
2df5768d99 note vector fix in changelog 2021-03-23 20:53:06 +00:00
John Cupitt
0f86453f76
Merge pull request #2144 from kleisauke/ensure-composite-alignment 
Ensure max_band vector is aligned on a 16-byte boundary
 2021-03-23 16:15:02 +00:00
Kleis Auke Wolthuizen
305714c978 Move max_band_vec to first position 2021-03-23 16:47:53 +01:00
Kleis Auke Wolthuizen
e7faebf6af Tell the compiler that v4f is aligned 
It's guaranteed that this is now aligned on a 16-byte boundary.
 2021-03-20 11:33:37 +01:00
Kleis Auke Wolthuizen
5ef9c84f97 Use cross-platform functions for allocating aligned memory 
A malloc library is expected to provide a better implementation.
 2021-03-15 11:10:16 +01:00
John Cupitt
3dad98952c
Merge pull request #2145 from kleisauke/force-100ms 
vips2webp: force low duration frames to 100ms
 2021-03-14 10:37:44 +00:00
Kleis Auke Wolthuizen
62b0939c4b vips2webp: force low duration frames to 100ms 2021-03-13 22:04:37 +01:00
Kleis Auke Wolthuizen
a55513a194 Ensure max_band vector is aligned on a 16-byte boundary 
See https://github.com/mstorsjo/llvm-mingw/issues/190
 2021-03-12 14:27:19 +01:00
John Cupitt
6666b941bf fix a ref leak in vipsthumbnail 
from the previous refactoring
 2021-03-06 13:33:00 +00:00
John Cupitt
ec16c761df revise changelog for clarity 2021-03-06 12:56:35 +00:00
John Cupitt
94503c1aca update for newer pandoc 
"smart" extension is no longer supported for docbook
 2021-03-06 12:47:31 +00:00
John Cupitt
81dffdd571
Merge pull request #2120 from libvips/revise-premultiply 
Revise premultiply
 2021-03-06 10:25:20 +00:00
John Cupitt
0623a05f48 remove vips_recip() 
it wasn't really necessary, and it was rather slow
 2021-03-05 20:19:05 +00:00
John Cupitt
a4d89b852a Merge branch '8.10' into revise-premultiply 2021-03-05 12:17:20 +00:00
John Cupitt
b14bac53a3 guard refs to ZSTD 
so we work on older libtiffs
 2021-03-05 12:16:38 +00:00
John Cupitt
6db234fae8 Merge branch 'revise-premultiply' of github.com:libvips/libvips into revise-premultiply 2021-03-05 11:24:14 +00:00
John Cupitt
726fded66c formatting 2021-03-05 11:24:00 +00:00
John Cupitt
1f18963cb4
Merge branch '8.10' into revise-premultiply 2021-03-05 11:17:40 +00:00
John Cupitt
9585feb5a8 allow thumbnail colourspace export with no import 
allow this case:

	vipsthumbnail k2.jpg --export-profile cmyk

for an image with no embedded profile
 2021-03-05 11:11:49 +00:00
John Cupitt
c4d56fd475 Merge branch 'revise-premultiply' of github.com:libvips/libvips into revise-premultiply 2021-03-05 10:46:21 +00:00
John Cupitt
ef4f95cddc cleanup for Kleis comments 2021-03-05 10:46:06 +00:00
John Cupitt
ea2264ea2e
Update libvips/resample/thumbnail.c 
Co-authored-by: Kleis Auke Wolthuizen <github@kleisauke.nl>
 2021-03-05 10:44:31 +00:00
John Cupitt
495b54dfcf grou predictor settings 2021-03-04 17:31:08 +00:00
John Cupitt
4eb3c86045
Merge pull request #2129 from Adios/8.10-add-tiff-zstd-predictor 
Add tiff zstd predictor support
 2021-03-04 17:27:42 +00:00
AdiosF6F
4d0252f31c
add tiff zstd predictor support 2021-03-04 22:38:47 +08:00
John Cupitt
86a6fd9d18 fix tiff deflate predictor setting 
the enums were mixed up, thanks Adios

see https://github.com/libvips/libvips/issues/2128
 2021-03-04 09:39:50 +00:00
John Cupitt
0407c365d1 better again 2021-02-27 20:47:29 +00:00
John Cupitt
e1fc576252 back to srgb/b-w processing space 
for compat in thumbnail behaviour
 2021-02-27 16:34:50 +00:00
John Cupitt
303513e52d small comment polish 2021-02-27 16:00:33 +00:00
John Cupitt
0b74acf7ba add a test for unpremultiply 
we actually test vipsthumbnail --linear on an RGBA image, which should
catch everything, hopefully
 2021-02-27 15:48:02 +00:00
John Cupitt
d3ccadf212 revise unpremultiply, again 
We were not detecting division by zero carefully enough, nor clipping
the alpha range sufficiently in unpremultiply.

see https://github.com/libvips/libvips/issues/1941

also see https://github.com/libvips/libvips/pull/1675 for another
difficult test case
 2021-02-27 15:16:25 +00:00
John Cupitt
3c60e9de60 start tinkering 2021-02-24 14:48:50 +00:00
John Cupitt
ec67002493 update changelog 2021-02-22 10:06:14 +00:00
John Cupitt
44688e2702 fix int overflow in vips_region_copy 
this could cause crashes with very wide images, see:

https://github.com/libvips/libvips/issues/1989
 2021-02-22 10:03:10 +00:00
John Cupitt
75959ece6a note librsvg change 2021-02-09 16:23:13 +00:00
John Cupitt
d70ab8f5b7 Merge branch '8.10' of github.com:libvips/libvips into 8.10 2021-02-09 16:22:30 +00:00
John Cupitt
b30a90e3bc fix includes of glib headers in C++ 
see https://github.com/libvips/libvips/issues/1987
 2021-02-09 16:21:56 +00:00
John Cupitt
e1f22095a0 don't put glib includes inside extern "C" blocks 
see https://github.com/libvips/libvips/issues/1987
 2021-02-09 16:21:25 +00:00
John Cupitt
85f7cb6ded
Merge pull request #1985 from lovell/svgload-remove-deprecated-librsvg-include 
svgload: remove was-deprecated, now-removed librsvg-features.h include
 2021-02-09 15:47:28 +00:00
Lovell Fuller
a8dd8379ac svgload: remove deprecated librsvg include 
librsvg >= 2.40.3 includes it for you

librsvg >= 2.51.0 removes it entirely
 2021-02-08 20:22:12 +00:00
John Cupitt
a0663ddce7 fix build with spng 2021-01-05 15:45:28 +00:00
John Cupitt
e1a9397c15 better error detection in spngload 
Do a speculative spng_get_trns() in header read to force all chunks to
be parsed.

Thanks randy408

See https://github.com/randy408/libspng/issues/145#issuecomment-744495084
 2021-01-05 03:54:48 +00:00
John Cupitt
7a33be716b
Merge pull request #1947 from kleisauke/clip-scrgb 
Switch VIPS_FCLIP to VIPS_CLIP in vips_scRGB2{BW,sRGB}
 2020-12-29 14:36:41 +00:00
John Cupitt
762d581f72
Merge pull request #1949 from kleisauke/disable-libpng-read 
Exclude libpng load when building with libspng
 2020-12-29 14:12:35 +00:00
John Cupitt
0d01324205
Merge pull request #1950 from kleisauke/remove-stdc++-check 
Remove redundant -lstdc++ configure check
 2020-12-29 13:30:59 +00:00
John Cupitt
7a1fb2a627 slight formatting improvement 2020-12-29 13:29:27 +00:00
Kleis Auke Wolthuizen
7e9c7059be Remove redundant -lstdc++ configure check 
This became unused after commit 346a9e7.
 2020-12-29 13:40:36 +01:00
Kleis Auke Wolthuizen
9b9843f698 Exclude libpng load when building with libspng 
Similar to ce63fc1, but allowing libpng to be configured with
-DPNG_NO_READ (i.e reading functionally disabled).
 2020-12-29 13:34:22 +01:00
Kleis Auke Wolthuizen
7cda6e5957 Switch VIPS_FCLIP to VIPS_CLIP in vips_scRGB2{BW,sRGB} 2020-12-29 13:02:08 +01:00