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Author SHA1 Message Date
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
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
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
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
4de9b56725 flush target at end of write 
we were missing end-of-write flushes on four save operations

thanks harukizaemon

see https://github.com/libvips/ruby-vips/issues/256
 2020-11-04 09:28:25 +00:00
John Cupitt
39899582d4 add tests for tiff pyr save region-shrink flag 
we were testing the flag before, but not that the result was correct

see https://github.com/libvips/libvips/issues/1875
 2020-11-03 23:44:11 +00:00
John Cupitt
85f3ac6d8f fix tiff pyramid save region-shrink 
we'd forgotton to connect it up

thanks imgifty

see https://github.com/libvips/libvips/issues/1875
 2020-11-03 23:14:44 +00:00
John Cupitt
91d9610a55 fix out of bounds read in tiffload 
libtiff can change the value of some fields while scanning a corrupt
TIFF file and this could trigger an out of bounds read.

This patch makes tiffload more cautious about rescanning a TIFF
directory before reading out header fields.
 2020-11-03 11:48:21 +00:00
John Cupitt
ae82bcc3e8 fix out of bounds exif read in heifload 
We were subtracting 4 from the length of the exif data block without
checking that there were 4 or more bytes there.
 2020-10-20 08:54:54 +01:00
John Cupitt
0131d4d3eb fix vips7 webp load 
webp load using the vips7 interface was crashing, thanks barryspearce

see https://github.com/libvips/libvips/issues/1860
 2020-10-19 14:34:02 +01:00
John Cupitt
b1e636346a relax is_a heic test rules 
32 was a little too small, see https://github.com/libvips/libvips/issues/1861
 2020-10-18 22:36:15 +01:00
John Cupitt
f1d2d4030e fix build with libheif save buit not load 
We had some definitions inside the #ifdef HEIFLOAD.

Thanks estepnv

https://github.com/libvips/libvips/issues/1844
 2020-10-09 14:02:53 +01:00
John Cupitt
678b6d5c95 fix a regression in the C path for dilate/erode 
A ++ had been dropped in the recent refactoring. Credit to kleisauke.

See https://github.com/libvips/libvips/issues/1846
 2020-10-07 15:23:40 +01:00
John Cupitt
80b73af225 note new "speed" param in heifsave 
To help support the rapid move to AVIF.

see https://github.com/libvips/libvips/pull/1819#issuecomment-704145244
 2020-10-06 10:50:06 +01:00
Lovell Fuller
fc1e609f44 libheif: expose speed parameter (currently AV1 compression only) 
Supports both aom and rav1e encoders by limiting to a 0-8 range.

(The rav1e encoder accepts speed values of 9 and 10 but these
use 64x64 blocks more suited to video than images.)
 2020-10-06 10:48:54 +01:00
John Cupitt
5b119e183f pdfload was missing a rewind on source 2020-10-04 14:26:13 +01:00
John Cupitt
edbe9bf8ef revise pipe sources (again) 
Simplify and cleanup.
 2020-10-04 14:05:53 +01:00
John Cupitt
0ee8b1e844 improve seek on pipes 
There were a few issues in VipsSource around seeking on pipes. With this
patch, EOF detection is better, and pipe sources automatically turn into memory
sources when EOF is hit.

see https://github.com/libvips/libvips/issues/1829
 2020-10-03 18:25:24 +01:00
John Cupitt
e3181e0579 get docs building with goi 1.66+ 
It builds now, but some doc sections are missing. Fix this properly in
8.11.

See https://github.com/libvips/libvips/issues/1836
 2020-09-28 12:32:06 +01:00
John Cupitt
b3f77634df Merge branch '8.10' of github.com:libvips/libvips into 8.10 2020-09-27 10:03:29 +01:00
John Cupitt
237604bb07 revise heifload EOF detection 
VipsSource used a unix-style model where read() returns 0 to mean EOF.
libheif uses a model where a separate call to wait_for_file_size()
beforehand is used to check thaht the read will be OK, and then the
read() is expected to never fail.

We were trying to put EOF detection into libheif read(), but that's not
the right way to do it. Instead, test for EOF in wait_for_file_size().

see https://github.com/libvips/libvips/pull/1833
 2020-09-26 13:00:52 +01:00
Lovell Fuller
7829518847 heifload: prevent reading beyond end of source buffer 2020-09-26 12:03:06 +01:00
Lovell Fuller
c714a2b315 heifload: prevent reading beyond end of source buffer 2020-09-26 04:02:29 +01:00
John Cupitt
cdae2c1995 note fractsurf fix in changelog 2020-09-25 12:43:04 +01:00
Kleis Auke Wolthuizen
01765df53c Fix test failure on ARM-based Windows 
The optional parameters of vips_gaussnoise were incorrectly
passed within vips_fractsurf. This was discovered when running
the libvips testsuite on Windows 10 IoT (ARM32).
 2020-09-25 12:41:22 +01:00
John Cupitt
8d52c8b761 revise heif sniffing again 2020-09-23 21:03:22 +01:00
Lovell Fuller
b6276dd44d heifload: simplify is_a check of first 4 bytes 
Allow multiples of 4, up to 32, as chunk length
 2020-09-23 20:49:48 +01:00
John Cupitt
e4b711a358 better heif signature detection 2020-09-23 08:13:52 +01:00
Lovell Fuller
553eb73965 Verify ISO/3GPP2 signature in heifload is_a check 2020-09-23 08:12:14 +01:00
John Cupitt
ffe574399e oop typo 2020-09-21 10:07:25 +01:00
John Cupitt
54144a8bc5 allow gaussblur sigma 0 
meaning no blur (obviosuly)
 2020-09-21 09:45:08 +01:00
John Cupitt
10bada0161 tiny thumbnail speedup 
thumbnail can skip premultiply/unpre if there's no residual resize
 2020-09-21 09:38:11 +01:00
John Cupitt
0c7b65e156 allow both dpi and scale to be set for pdfload 
pdfload didn't allow both dpi and scale to be set. This patch makes the
two settings combine if both are given.

thanks le0daniel

see https://github.com/libvips/libvips/issues/1824
 2020-09-21 09:29:25 +01:00
John Cupitt
dc88d6c1e1 fix dzsave iiif dimensions 
dzsave in iiif mode could set info.json dimensions off by one

thanks Linden6

see https://github.com/libvips/libvips/issues/1818
 2020-09-17 17:07:08 +01:00
John Cupitt
7a5a3a31fc block doxy latex output too 2020-09-15 12:08:55 +01:00
John Cupitt
0617165c66 raise minimum libheif version to 1.3 
We didn't compile with anything less than 1.3 anyway.

see https://github.com/libvips/libvips/issues/1817
 2020-09-15 10:18:38 +01:00
John Cupitt
fe7086b173 add a .gitignore for the new cpp api 
to stop accidentally adding it to 8.10
 2020-09-15 10:18:09 +01:00
John Cupitt
96b6c6ba7a Merge branch '8.10' of github.com:libvips/libvips into 8.10 2020-09-14 17:39:58 +01:00
John Cupitt
4227606f5a fix tiff thumbnail from buffer and source 
We were missing the new tiff thumbnail logic on the source and buffer
paths.

see https://github.com/libvips/libvips/issues/1815
 2020-09-14 17:38:20 +01:00
John Cupitt
48a2551957 fix TIFF thumbnail of buffer and source 
We had dropped a couple of patches.

see https://github.com/libvips/libvips/issues/1815
 2020-09-14 17:26:19 +01:00