Commit Graph

1989 Commits

Author SHA1 Message Date
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
John Cupitt 587a7c2d63 note ppmload fix 2020-12-02 21:03:44 +00:00
John Cupitt deab095b3c Merge branch '8.10' 2020-11-29 14:03:22 +00:00
John Cupitt 2585565b3e better test for output to target
We used to enable write to stdout if the first character of an output filename
was ".", eg.:

	vips copy x.jpg .png

But this will also enable write to stdout for things like:

	vips copy x.jpg ./y.png

This patch also tests that the rightmost "." in a filename is also the
first character.

Thanks barryspearce

See https://github.com/libvips/libvips/issues/1906
2020-11-29 13:59:30 +00:00
John Cupitt 864075c4f4 Merge branch '8.10' 2020-11-26 10:18:27 +00:00
John Cupitt acc579cc9d force binary mode for connections on win
stdin / stdout (for example) are created in text mode by default on
win. We need to flip them to binary mode for connection read and write.

See https://stackoverflow.com/questions/65014352/pipe-libvips-cli-output-to-stdout-in-windows
2020-11-26 10:15:48 +00:00
John Cupitt 7948b979a5 Merge branch '8.10' 2020-11-22 16:39:04 +00:00
John Cupitt 6340e14303 byteswap on ppm save, if necessary
this was missing, thanks ewelot

see https://github.com/libvips/libvips/issues/1894
2020-11-22 16:37:24 +00:00
John Cupitt c0bace8f91 Merge branch '8.10' of github.com:libvips/libvips into 8.10 2020-11-22 16:05:57 +00:00
John Cupitt 9f22c5dbf3 Merge branch 'master' of github.com:libvips/libvips 2020-11-22 16:05:19 +00:00
John Cupitt 3b9f9d3a12 Merge branch '8.10' 2020-11-22 16:01:58 +00:00
John Cupitt 8e25eef3d0 make ppm load default to msb first
We has lsb first as the default, breaking 16-bit PPM load. Thanks ewelot.

see https://github.com/libvips/libvips/issues/1894
2020-11-22 16:00:34 +00:00
John Cupitt e8ff67376d Merge branch '8.10' 2020-11-21 14:26:02 +00:00
John Cupitt c17e696243 backport gifheight check
ensure gifheight can't oevrflow

see https://github.com/libvips/libvips/pull/1892
2020-11-21 14:25:09 +00:00
John Cupitt d7e988d16f Merge branch '8.10' 2020-11-20 12:19:01 +00:00
John Cupitt d971c75d6f block 0 width or height images from imagemagick
IM could return 0 width and/or height for some crafted images. Block
these.

Thanks @Koen1999.

See https://github.com/libvips/libvips/issues/1890
2020-11-20 12:17:42 +00:00
John Cupitt 2772ecbb9e add "seed" param to perlin, worley and gaussnoise
see https://github.com/libvips/libvips/issues/1884
2020-11-16 09:14:06 +00:00
John Cupitt a43e9d3982 Merge branch '8.10' 2020-11-12 13:22:30 +00:00
John Cupitt 98641ba153 add read loops to gifload
and check for error in ppnmload.
2020-11-12 13:21:33 +00:00
John Cupitt 64e384d3ac Merge branch '8.10' 2020-11-12 12:18:49 +00:00
John Cupitt 2dd6fc1f36 note read fixes in changelog 2020-11-12 12:18:22 +00:00