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2009 Commits

Author SHA1 Message Date
John Cupitt
454f448c5b add jp2ksave 
works, but not quite done
 2021-03-19 11:49:07 +00:00
John Cupitt
c0ec1757cb works at a basic level 
need to add shrink-on-load etc.
 2021-03-17 16:38:55 +00:00
John Cupitt
fc4ad15f97 Merge branch '8.10' 2021-03-07 12:26:24 +00:00
John Cupitt
ec16c761df revise changelog for clarity 2021-03-06 12:56:35 +00:00
John Cupitt
2e56828053 Merge branch '8.10' 2021-03-06 11:47:02 +00:00
John Cupitt
1f18963cb4
Merge branch '8.10' into revise-premultiply 2021-03-05 11:17:40 +00:00
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
303513e52d small comment polish 2021-02-27 16:00:33 +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
e5e2e8d1eb Merge branch '8.10' 2021-02-22 10:06:43 +00:00
John Cupitt
ec67002493 update changelog 2021-02-22 10:06:14 +00:00
John Cupitt
8dc2db9789 add gif background colour as metadata 2021-02-20 04:52:02 +00:00
John Cupitt
d6201fc32d note PNG background colour in metadata 
see https://github.com/libvips/libvips/issues/2111
 2021-02-19 16:51:46 +00:00
John Cupitt
4f762d6609 add vips_niftiload_source() 2021-02-12 15:29:58 +00:00
John Cupitt
498e9c2829 add fitsload_source 
and fix some small fits loading issues
 2021-02-11 16:44:53 +00:00
John Cupitt
15f4d935aa Merge branch '8.10' 2021-02-09 16:23:46 +00:00
John Cupitt
75959ece6a note librsvg change 2021-02-09 16:23:13 +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
1f4f975e7d make leak test exit with an error code 
and run the libvips leak test in CI
 2021-02-08 11:25:56 +00:00
John Cupitt
4605ad6993 fix another ref leak in globalbalance 2021-02-06 19:01:26 +00:00
John Cupitt
2ce79d76a0 output double histogranms for large images 
since images with more than 2*32 pixels will overflow a uint accumulator

thanks @erdmann

see https://github.com/libvips/libvips/issues/1976
 2021-02-01 15:51:31 +00:00
John Cupitt
29599e00eb avoid NaN in mapim 
We were not avoiding NaN in float transform images, leading to segvs in
some cases.

Thanks afontenot

see https://github.com/libvips/libvips/issues/1971
 2021-01-30 15:17:25 +00:00
John Cupitt
d8ed630d77 better 8/16 bit casting for pngsave 
pngsave was just using the image format to decide whether to save as 8
or 16 bit PNG. With this patch it checks Type as well.

This means that eg. a uint32 image tagged as sRGB will save as png8, but
a uint32 image tagged as RGB16 will save as png16.
 2021-01-16 15:45:59 +00:00
John Cupitt
3cd774a10c add fast path to rank filter for uchar images 
around 10x faster for 20x20 windows, the same speed for 3x3
 2021-01-12 20:36:13 +00:00
John Cupitt
0be1370661 Merge branch '8.10' 2021-01-05 03:57:06 +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
5d229e0b9e update changelog 
ooops, forgot
 2021-01-02 17:48:26 +00:00
John Cupitt
6fb7ca73a4 Merge branch '8.10' 2021-01-01 10:13:12 +00:00
John Cupitt
42af1cec36 add vipsload_source 
plus small openslideload_source fixes
 2020-12-31 19:47:36 +00:00
John Cupitt
babbb086f9 add openslideload_source 2020-12-30 14:14:08 +00:00
John Cupitt
0982d0efbb signal error on EOF in jpegload more reliably 
we were only warning on EOF in the read stub, even if fail was set

thanks bozaro

see https://github.com/libvips/libvips/issues/1946
 2020-12-28 22:46:33 +00:00
John Cupitt
98be88bf80 add sourceginput 
This is a source which wraps a GInputStream. You can use this to eg.
efficiently load a PNG file from a GFile object.
 2020-12-28 15:14:36 +00:00
John Cupitt
ac1417b410 Merge branch '8.10' 2020-12-26 17:07:17 +00:00
John Cupitt
b2fa1f89e8 revise ppmload, fixing a couple of bugs 
- ppmload was not setting interpretation, filename, etc. for files read via
  mmap
- files not read via mmap were never byteswapped
- some cleanups

see https://github.com/libvips/libvips/issues/1916
 2020-12-26 17:02:07 +00:00
John Cupitt
c3c9f281c0 Merge branch '8.10' 2020-12-22 14:31:08 +00:00
John Cupitt
94ecb8d38d version bump 
and fix changelog dates
 2020-12-22 14:28:55 +00:00
John Cupitt
eeb0fb3ac1 Merge branch '8.10' 2020-12-22 12:56:32 +00:00
John Cupitt
c3159e209d note in changelog 
see https://github.com/libvips/libvips/pull/1938
 2020-12-22 12:55:44 +00:00
John Cupitt
2348a02351 Merge branch '8.10' 2020-12-18 10:14:03 +00:00
John Cupitt
460efa73fa bump version for animated webp load fix 2020-12-18 10:12:26 +00:00
John Cupitt
728397d76c Merge branch '8.10' 2020-12-15 13:22:56 +00:00
John Cupitt
1b19e6f832 start 8.10.4 
with a dropped patch from 8.10.3
 2020-12-14 09:20:44 +00:00
John Cupitt
2db2b24200 Merge branch '8.10' 2020-12-13 03:43:51 +00:00
John Cupitt
c12730748d forgot changelog update 2020-12-13 03:43:03 +00:00
John Cupitt
7839792c1a Merge branch '8.10' 2020-12-13 03:40:03 +00:00
John Cupitt
1d2864cc41 note HEIC fix in changelog 
see https://github.com/libvips/libvips/pull/1921
 2020-12-10 17:54:58 +00:00
John Cupitt
25db7849e7 Merge branch '8.10' 2020-12-09 15:19:18 +00:00
John Cupitt
3996f3279b fix range clips for casts to and from int 
Fix two bugs:

- clip in casts from int32 and uint32 could overflow -- do these as gint64 now

- clip in casts from float to int could overflow since float32 can't
  represent the full range of int32 without losing precision -- do these
  as double

And add some more tests.

Thanks ewelot.

see https://github.com/libvips/libvips/issues/1922
 2020-12-09 15:14:59 +00:00
John Cupitt
6eaf1eda30 make webp frame blend do doround to nearest 
see https://github.com/libvips/libvips/pull/1918
 2020-12-04 13:53:24 +00:00
John Cupitt
5f3482bff5 Merge branch '8.10' 2020-12-03 13:58:33 +00:00