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Author SHA1 Message Date
John Cupitt
d58105aac6 fix ppmsave regression 
ppm strip dropped magic number
 2020-12-03 10:30:03 +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
970ba8cfcc don't add date in ppmsave if @strip is set 
see https://github.com/libvips/libvips/issues/1913
 2020-12-02 07:35:36 +00:00
John Cupitt
f99da5f3e1 docs clarification 
https://github.com/libvips/libvips/issues/1912
 2020-12-01 18:33:40 +00:00
John Cupitt
c088097b50 block deprecation warnings from libgsf 
with an uglu gcc progma
 2020-11-29 14:41:19 +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
f6d7af46b8 Merge branch '8.10' 2020-11-24 11:15:45 +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
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
02eb3bb872 Merge branch '8.10' 2020-11-22 06:33:31 +00:00
John Cupitt
a446f2d6d9 oops typo in magick7 load 2020-11-22 06:33:11 +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
414b849aef reformat 2020-11-21 14:23:58 +00:00
John Cupitt
0e38b7b342
Merge pull request #1892 from lovell/gifload-sanitise-total-height 
gifload: ensure total height of all pages is sanitised
 2020-11-21 14:21:43 +00:00
Lovell Fuller
82c9a820d7 gifload: ensure total height of all pages is sanitised 2020-11-21 11:55:18 +00:00
John Cupitt
e8660a7426 Merge branch '8.10' 2020-11-20 13:46:59 +00:00
John Cupitt
1e5ac06f84 fix a possible read loop for truncated gifs 2020-11-20 13:46:24 +00:00
John Cupitt
b5aa045ee9 oops typo in magick7 load 2020-11-20 13:14:57 +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
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
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
John Cupitt
e590a6919d fix changelog after GM backport 2020-11-12 12:16:36 +00:00
John Cupitt
09e0d5bff6 Merge branch '8.10' 2020-11-12 12:16:07 +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
John Cupitt
c0102c5814 better GraphicsMagick image write 
We were not setting matte or depth correctly, thanks bfriesen.
 2020-11-12 12:00:11 +00:00
Kleis Auke Wolthuizen
0a91e2d8c7 Ensure that streams are properly read in spngload 2020-11-11 21:17:07 +00:00
John Cupitt
013e8beba7 Merge branch '8.10' 2020-11-11 10:06:22 +00:00
John Cupitt
6894159ad5 fix icc-profiles and dzsave --no-strip 
We were not copying metadata down pyramid layers in dzsave, so
--no-strip didn't allow icc profiles on tiles.

Thanks altert

See https://github.com/libvips/libvips/issues/1879
 2020-11-11 10:02:46 +00:00
John Cupitt
3e40f19efc Merge branch '8.10' 2020-11-10 11:07:41 +00:00
John Cupitt
1686725117 block annoying INFO messages on some older glibs 
Some old glibs can display INFO messages by default. Block these
ourselves.

See https://github.com/libvips/libvips/issues/1876
 2020-11-10 11:03:18 +00:00
John Cupitt
630270095d fix compiler warning 2020-11-10 11:00:21 +00:00