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Author SHA1 Message Date
Kleis Auke Wolthuizen
7e9c7059be Remove redundant -lstdc++ configure check 
This became unused after commit 346a9e7.
 2020-12-29 13:40:36 +01:00
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
158e9e153a add some more ppm tests 2020-12-26 18:35:11 +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
86fa9277e7 note PDFium build in README 2020-12-24 05:44:07 +00:00
John Cupitt
94ecb8d38d version bump 
and fix changelog dates
 2020-12-22 14:28:55 +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
782c0b2f7e
Merge pull request #1938 from kleisauke/ensure-memory-source 
Avoid seeking on bad file descriptors
 2020-12-22 12:52:20 +00:00
Kleis Auke Wolthuizen
e437805fc1 Move descriptor test to vips_source_seek_real 
Since subclasses could override the seek method without setting the file descriptor.
 2020-12-22 13:34:14 +01:00
Kleis Auke Wolthuizen
2eeeedc957 Avoid seeking on bad file descriptors 2020-12-22 11:20:03 +01:00
Kleis Auke Wolthuizen
cc8f93a3ff Ensure memory source is non-null 2020-12-22 11:19:52 +01:00
John Cupitt
230f5924cf duplicate "svgload" operation 2020-12-18 11:30:03 +00:00
John Cupitt
460efa73fa bump version for animated webp load fix 2020-12-18 10:12:26 +00:00
John Cupitt
787c4ebd88
Merge pull request #1935 from lovell/webpload-blend-pixel-prevent-div-zero 
webpload: prevent divide-by-zero when blending pixels
 2020-12-18 10:08:07 +00:00
Lovell Fuller
45fd740130 webpload: prevent divide-by-zero when blending pixels 
Adds a test case to prevent regression - see commit 6eaf1ed
 2020-12-17 20:23:06 +00:00
John Cupitt
ff3c4acbb2 allow spng.pc and libspng.ps for libspng discovery 2020-12-14 10:24:25 +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
31a4d1419c fix spng detection 
This patch was dropped from 8.10.3 release 1, annoyingly.
 2020-12-14 09:17:38 +00:00
John Cupitt
5e26f1ec16 improve website link in docs 
it was being rewritten by the export script

see https://github.com/libvips/libvips/issues/1928
 2020-12-14 09:08:27 +00:00
John Cupitt
c12730748d forgot changelog update 2020-12-13 03:43:03 +00:00
John Cupitt
cb9b0a4318 note HEIC fix in changelog 
see https://github.com/libvips/libvips/pull/1921
 2020-12-12 15:10:42 +00:00
Daniel Dennedy
21f37037fa fix heif load fails with 0 length metadata 
fixes #1901
 2020-12-12 15:09:33 +00:00
John Cupitt
a54cec93ac
Merge pull request #1872 from kleisauke/fix-rounding-reduce 
Resolve rounding issues in reduce
 2020-12-12 14:51:15 +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
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
aa9906184a
Merge pull request #1918 from lovell/webpload-single-frame-noblend 
webpload: ensure first frame is not blended
 2020-12-04 13:14:29 +00:00
Lovell Fuller
f9dc3177c7 webpload: ensure first frame is not blended 2020-12-04 11:50:58 +00:00
John Cupitt
1f71c7ae07 n comment 2020-12-03 13:34:21 +00:00
John Cupitt
587a7c2d63 note ppmload fix 2020-12-02 21:03:44 +00:00
John Cupitt
4c1aeaacd9 add is_a_source to ppmload 
ppmload_source was missing an ia_a test

see https://github.com/libvips/libvips/issues/1915
 2020-12-02 21:02:05 +00:00
John Cupitt
f99da5f3e1 docs clarification 
https://github.com/libvips/libvips/issues/1912
 2020-12-01 18:33:40 +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
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
eddc99e6d8
Merge pull request #1899 from kleisauke/byteswap-vipsload 
Ensure vipsload only byte swaps if necessary
 2020-11-23 14:07:23 +00:00
Kleis Auke Wolthuizen
ea53660a6b Port Ruby test case to Python 2020-11-23 14:40:59 +01:00
Kleis Auke Wolthuizen
77de1c473a Determine endianness at compile time 2020-11-23 14:39:06 +01:00
Kleis Auke Wolthuizen
d9dec2c027 Simplify MSB-ordered image check 2020-11-23 14:35:03 +01:00
Kleis Auke Wolthuizen
9bb86119e3 Ensure vipsload only byte swaps if necessary 
Prior to this commit, MSB-ordered vips images were always byte swapped
on both little- and big endian systems. And LSB-ordered vips images
were loaded without a byte swap. This works correctly on little endian
systems, but will not work on big endian systems where the byte swap
must be done vice versa.

This commit ensures that the byte swap only takes place when needed.

See https://github.com/libvips/libvips/issues/1847.
 2020-11-23 14:32:36 +01:00
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
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
a446f2d6d9 oops typo in magick7 load 2020-11-22 06:33:11 +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
1e5ac06f84 fix a possible read loop for truncated gifs 2020-11-20 13:46:24 +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
98641ba153 add read loops to gifload 
and check for error in ppnmload.
 2020-11-12 13:21:33 +00:00
John Cupitt
a09027b2a5 forgot to advance the buffer pointers 
thanks kleis

see https://github.com/kleisauke/net-vips/issues/101#issuecomment-726046152
 2020-11-12 12:32:51 +00:00
John Cupitt
2dd6fc1f36 note read fixes in changelog 2020-11-12 12:18:22 +00:00
John Cupitt
ff450497ff add read loops to heif and ppm as well 
We were not looping on vips_source_read() in these loaders, so they
could fail when reading from very slow pipes.

See https://github.com/kleisauke/net-vips/issues/101
 2020-11-12 12:11:35 +00:00