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Author SHA1 Message Date
John Cupitt
7a8e891632
Merge pull request #1787 from lovell/svg-loader-skip-control-chars 
Ensure SVG loader skips input with chars outside x09-x7F range
 2020-08-21 11:37:10 +01:00
Lovell Fuller
489324f392 Ensure SVG loader skips input with chars outside x09-x7F range 
Add test with example valid WebP image that happens to contain
the string '<svg' within its compressed image data.
 2020-08-21 10:17:08 +01:00
John Cupitt
f8faa5f7f7 Merge branch '8.10' 2020-08-19 11:12:18 +01:00
John Cupitt
270933c281 convert no-profile CMYK to RGB on save 
Use the fallback cmyk profile to convert to RGB on save if the image has
no embedded profile.

Thanks augustocdias.

See https://github.com/libvips/libvips/issues/1767
 2020-08-19 11:09:38 +01:00
John Cupitt
182e88957e prevent 0-length buffers reaching imagemagick 
im6 seems to have added an assert for this

see https://github.com/libvips/libvips/pull/1785
 2020-08-17 14:18:59 +01:00
Lovell Fuller
b73bc3a855 Ensure magick buffer+file checks use consistent min length guard 
Prevents a zero-length buffer from crashing GetImageMagick

It looks like the fix for magick7 in #1642 is also now required
for magick6 as the assertion appears to have been backported.
 2020-08-17 14:17:55 +01:00
John Cupitt
98fdc17d2d
Merge pull request #1785 from lovell/magick-is-a-buffer-min-len 
Ensure magick buffer+file checks use consistent min length guard
 2020-08-17 12:51:37 +01:00
Lovell Fuller
f844dbb623 Ensure magick buffer+file checks use consistent min length guard 
Prevents a zero-length buffer from crashing GetImageMagick

It looks like the fix for magick7 in #1642 is also now required
for magick6 as the assertion appears to have been backported.
 2020-08-17 12:29:19 +01:00
John Cupitt
cdcf63f8e5 fix regression in thumbnail of pyr tiff 
The new subifd pyramid thumbnail code broke the old page-based pyramid
detector.

Thanks tand826

See https://github.com/libvips/libvips/issues/1784
 2020-08-17 10:10:23 +01:00
John Cupitt
e4f1210d20 update wrapper script 
fixes "make check".
 2020-08-14 14:02:55 +01:00
John Cupitt
633abe7be8 add missing funcs to public C API 
The C API was missing vips_jpegload_source and vips_svgload_source.
Thanks to augustocdias.

See https://github.com/libvips/libvips/issues/1780
 2020-08-14 13:36:12 +01:00
John Cupitt
b981911f67 remove redefinition of typedefs 
We had this in a couple of places:

	typedef struct _A A;
	typedef struct _A A;

Some old gccs (eg. centos6) throw errors for this.

See https://github.com/libvips/libvips/issues/1774
 2020-08-13 12:51:56 +01:00
John Cupitt
fdded88cf7 start 8.10.1 
following the doc generation fix
 2020-08-09 14:39:37 +01:00
John Cupitt
603036a315 docs fix 
pandoc changed the name of their top-level section node
 2020-08-09 14:21:26 +01:00
John Cupitt
b40baec28b fix write ICC profile to webp 
ooops, a typo broke ICC profile write to webp 18 days ago

thanks augustocdias

see https://github.com/libvips/libvips/issues/1767
 2020-08-05 15:29:54 +01:00
John Cupitt
420daf892b fix typo 
see https://github.com/libvips/pyvips/issues/198#issuecomment-668789846

thanks Tremeschin
 2020-08-05 15:15:33 +01:00
John Cupitt
7a2b2f89a1
Merge pull request #1756 from libvips/heif-workaround 
try to work around some broken heic images
 2020-08-01 12:54:57 +01:00
John Cupitt
1099bd068c revise heic thumbnail workaround 2020-08-01 11:49:01 +01:00
John Cupitt
80abdce923 try to work around some broken heic images 
see https://github.com/libvips/libvips/issues/1574
 2020-07-31 17:41:23 +01:00
John Cupitt
95a221dd6e better dbg msg in spngload 2020-07-31 17:37:12 +01:00
John Cupitt
ba45c87b50 detect RLE overflow in radiance 
old-style radiance RLE could overflow harmlessly

see https://oss-fuzz.com/testcase-detail/4918518961930240
 2020-07-28 14:03:58 +01:00
John Cupitt
58b6d73a70 deprecate vips_popen() 
it didn't work well on win, and we no longer use it anyway
 2020-07-27 15:21:59 +01:00
John Cupitt
cb1634dd31 block fuzz data over 100kb 
Many codecs can take a huge amount of time attempting to read large
random objects. jpeg_read_header(), for example, can take ~10s on a 1mb
of random data.

Ignore fuzz objects over 100kb.

See https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=24383
 2020-07-25 14:46:44 +01:00
John Cupitt
213533e03c better webp load sanity checking 
see d93d9bb43b (r40846309)
 2020-07-23 15:46:53 +01:00
John Cupitt
9a88b25aaa Merge branch 'master' of github.com:libvips/libvips 2020-07-23 15:42:04 +01:00
John Cupitt
17cddc196b improve pngload error messages too 
see https://github.com/libvips/libvips/issues/1578
 2020-07-23 15:41:20 +01:00
John Cupitt
70c0b36d4f better pngsave error message 
add a target name to png's "unable to write to target" message

see https://github.com/libvips/libvips/issues/1578
 2020-07-23 15:26:11 +01:00
John Cupitt
7c413f8872
Merge pull request #1727 from kleisauke/oss-fuzz-24230 
Fix undefined-shift in scanline_read_old
 2020-07-21 18:05:32 +01:00
John Cupitt
d203a3fb89 small comment improvements 2020-07-21 18:03:45 +01:00
John Cupitt
c4d093b01f
Merge pull request #1735 from lovell/perf-scrgb-to-rgb 
Performance: improve scRGB to sRGB conversion by ~8%
 2020-07-21 17:58:12 +01:00
John Cupitt
a6557eb94f
Merge pull request #1733 from lovell/perf-xyz2lab-clip 
Performance: safely improve XYZ to LAB conversion by ~12%
 2020-07-21 15:16:11 +01:00
Lovell Fuller
e508ea6511 Performance: improve scRGB to sRGB conversion by ~8% 
- Remove unnecessary isinf checks as values are clipped
- Remove any ignored out-of-gamut tracking
 2020-07-21 14:36:57 +01:00
Lovell Fuller
3659655750 Performance: improve XYZ to LAB conversion by ~15% 
- VIPS_CLIP is faster than fmin/fmax based library calls
- Cast to int to ensure the cubed root LUT is not referenced by NaN
 2020-07-21 14:21:27 +01:00
John Cupitt
b845d4a20d
Merge pull request #1732 from libvips/revert-1729-perf-lab-clip 
Revert "Performance: improve XYZ to LAB conversion by ~15%"
 2020-07-21 11:01:44 +01:00
John Cupitt
e82b1689c7
Revert "Performance: improve XYZ to LAB conversion by ~15%" 2020-07-21 11:00:35 +01:00
John Cupitt
54791b221c Merge branch 'master' of github.com:libvips/libvips 2020-07-20 15:01:19 +01:00
John Cupitt
d93d9bb43b fix large animated web support 
we were not checking image bounds correctly for very large animated webp
images

thanks pomirleanu

see https://github.com/libvips/libvips/issues/1730
 2020-07-20 14:59:36 +01:00
John Cupitt
ef6ad7f4bb
Merge pull request #1729 from lovell/perf-lab-clip 
Performance: improve XYZ to LAB conversion by ~15%
 2020-07-20 13:36:03 +01:00
John Cupitt
cba371a9ba add a note about atan2() use in complex.c 
see https://github.com/libvips/libvips/pull/1728
 2020-07-20 13:34:41 +01:00
John Cupitt
8eefe9f4fb
Merge pull request #1728 from lovell/lch-prefer-atan-over-atan2 
Performance: improve LAB to LCH conversion by ~30%
 2020-07-20 13:31:07 +01:00
Lovell Fuller
4aaa39502b Improve performance of conversion to LAB by ~15% 2020-07-19 21:20:21 +01:00
Kleis Auke Wolthuizen
aac1748615 Explicitly cast to unsigned int before left-shifting 
To avoid potential signed integer overflow (undefined behavior), as
implicit integer promotion means the operand becomes a (signed) int.
 2020-07-19 19:14:48 +02:00
Lovell Fuller
a7357c5757 Perf: improve conversion to LCH by ~30%, avoid costly atan2 2020-07-19 15:29:03 +01:00
Kleis Auke Wolthuizen
3460814b98 Add test case for undefined shift in rad2vips 2020-07-19 13:48:21 +02:00
John Cupitt
72ca38cab0 only rebuild heif exif if we have to 
and fix write of XMP write in heic
 2020-07-19 02:06:36 +01:00
John Cupitt
fcaba0e6ba add @profile to webpsave 
small tiffsave fixes too
 2020-07-18 14:49:37 +01:00
John Cupitt
a69c998ff0 avoid exif rebuild when stripping jpg 
don't rebuild the exif data block if we don't need it

see https://github.com/libvips/libvips/issues/394
 2020-07-18 14:07:21 +01:00
John Cupitt
63a549a3b2 Ugly hack to hide the GPSVersionID bug 
see https://github.com/libvips/libvips/issues/394
 2020-07-18 11:59:42 +01:00
John Cupitt
43385c928d fix crash with some openslide images 
some openslide images seem to have null properties

see https://github.com/libvips/libvips/issues/1723
 2020-07-17 10:50:09 +01:00
John Cupitt
0a4d4daf5e Merge branch 'master' of github.com:libvips/libvips 2020-07-15 12:22:37 +01:00