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1776 Commits

Author SHA1 Message Date
John Cupitt
ceb2db513d Merge branch '8.8' 2019-11-11 18:05:57 +00:00
John Cupitt
b65a9d7328 oop, missing ! on tiff save 
resolution-unit metadata was not being checked correctly on tiff save,
thanks @kayarre

see https://github.com/libvips/pyvips/issues/133
 2019-11-10 10:26:13 +00:00
John Cupitt
f499cefb0e add iiif layout to dzsave 2019-11-09 20:40:39 +00:00
John Cupitt
8337e17428 add no_strip option to dzsave 
it's sometimes useful to have pyramid tiles with ICC profiles

see https://github.com/libvips/libvips/issues/1451
 2019-10-21 16:46:20 +01:00
John Cupitt
c9a7b92eeb version bump 2019-09-17 17:16:26 +01:00
John Cupitt
efdf33f3de add vips_error_buffer_copy() 
Add vips_error_buffer_copy() to fix a race in error buffer fetch.

See https://github.com/libvips/libvips/issues/1423

Thanks @dineshkannaa
 2019-09-12 09:49:49 +01:00
John Cupitt
7b2729adfa fix up nifti load/save 
- use double for all floating point scalar metadata, like other loaders
- remove use of stray "n" property
 2019-09-09 16:06:22 +01:00
John Cupitt
dd9eba9e26 add @format and @interpretation to rawload 2019-09-05 16:25:55 +01:00
John Cupitt
1ee54bfa80 Merge branch '8.8' 2019-09-05 12:45:08 +01:00
John Cupitt
06fdc95038 xres/yres params in tiffsave were in cm 
and should have been in pixels/mm

thanks f--f

see https://github.com/libvips/libvips/issues/1421
 2019-09-04 17:02:24 +01:00
John Cupitt
da8cee048f enable alpha in heifsave 
Check for image alpha and enable it. There seem to be some
non-transparent tiles, curiously.

See https://github.com/libvips/libvips/issues/1411
 2019-09-01 16:58:50 +01:00
John Cupitt
75b45cc2ef enable alpha handling in heic load 
use RGBA decoding, when appropriate

see https://github.com/libvips/libvips/issues/1411
 2019-09-01 16:37:43 +01:00
John Cupitt
4b5b982711 merge 8.8 2019-08-31 12:29:50 +01:00
John Cupitt
574be4380e revert sharpen restoring the input colourspace 
icc_export can make _RGB images, so the input can be outside the set of
supported colourspace transforms.

See 46212e92b1 (r34904985)

bump version too.
 2019-08-31 11:29:36 +01:00
John Cupitt
5d19bcf955 Merge branch '8.8' 2019-08-30 11:03:24 +01:00
John Cupitt
6ea76f9632 improve data_length handling in jpg load 
libjpeg uses unsigned ints for data length, so we must use size_t
everywhere.
 2019-08-30 11:00:25 +01:00
John Cupitt
349e76bb85 Merge branch '8.8' 2019-08-29 15:30:20 +01:00
John Cupitt
3161de3b52 verify bands/format for coded vips images 
WHen loading a vips image with Coding set, make sure that Bands and
BandFmt are correct.
 2019-08-29 15:28:55 +01:00
John Cupitt
9a5dca1ef8 Merge branch '8.8' 2019-08-28 10:05:12 +01:00
John Cupitt
46212e92b1 fix default sharpen 
sharpen with sigma 0.5 was doing nothing, since the new int precision
rules meant that we generated a point-point convolution.

This patch increases the int precision for sharpen, so we now work with
sigma down to 0.5.

Also: restore input colourspace. Previously, the output image was always
LabS (the computation space for sharpen). Now, it transforms back to the
input space. This is more in line with how other operators work.

Thanks 2h4dl for pointing this out.

See https://github.com/libvips/pyvips/issues/123
 2019-08-28 09:16:40 +01:00
John Cupitt
2f6cc1fad9 Merge branch '8.8' 2019-08-27 14:49:42 +01:00
John Cupitt
d61a85f6c9 prevent over-pre-shrink in thumbnail 
We could pre-shrink so much that an axis went to 0.

See https://github.com/lovell/sharp/issues/1782#issuecomment-525249430
 2019-08-27 14:47:36 +01:00
John Cupitt
d2ab993931 Merge branch '8.8' 2019-08-27 13:06:27 +01:00
John Cupitt
5cce83a294 check image bounds for GIF load 
It seems giflib does no checking of image dimensions at all, not even
height == 0.
 2019-08-27 13:04:28 +01:00
John Cupitt
23d0d5603d Merge branch '8.8' 2019-08-24 17:15:45 +01:00
John Cupitt
4691260540 better feof() handling in gif load 
Relaxing the read error rules made looping possible .. make sure we
always stop explicitly on eof.
 2019-08-24 17:14:10 +01:00
John Cupitt
77de39320a Merge branch '8.8' 2019-08-24 11:21:48 +01:00
John Cupitt
038409093f clip coding and interpretation on image read 
They could be out of bounds enums. This used not to matter, but we use
them more now, so out of bounds values can cause coredumps.
 2019-08-24 11:20:45 +01:00
John Cupitt
1b57c6d066 Merge branch '8.8' 2019-08-23 15:43:12 +01:00
John Cupitt
4b677fb16a make GIF parse less strict 
Some GIFs don't follow the standard very closely. Let them through.

See https://github.com/libvips/libvips/issues/1404
 2019-08-23 15:40:48 +01:00
John Cupitt
19a80e4efb Merge branch '8.8' 2019-08-21 17:37:16 +01:00
John Cupitt
b5e8e99746 fix a read-one-byte-beyond issue in jpeg load 
libvips could harmlessly read beyond the end of a string with a crafted jpg
file
 2019-08-21 17:17:54 +01:00
John Cupitt
ed2054dbbc revise arithmetic with const 
there's a problem with out of bounds values, for example:

	vips relational_const k2.jpg x.v equal 1000

actually finds pixels == 255, since 1000 is saturated converted to 255
before the test starts.

This patch reworks arithmetic against const values to fix this.
 2019-08-21 10:35:48 +01:00
John Cupitt
2d0c21279a add tests 2019-08-19 16:27:44 +01:00
John Cupitt
d80ce4bf15 fix a problem with shrinkv tail processing 
Tail processing in shrinkv had an implicit assumption of round-down, but of
course we round to nearest. Thanks angelmixu.

see https://github.com/libvips/libvips/issues/1396
 2019-08-13 11:21:01 +01:00
John Cupitt
cdee0feb93 Merge branch '8.8' 2019-08-09 10:12:55 +01:00
John Cupitt
aafc2c7948 add changelog note for profiles.c fix 2019-08-09 10:11:45 +01:00
John Cupitt
988f9594f4 Merge branch '8.8' 2019-08-08 16:11:02 +01:00
John Cupitt
ff58c67e33 add locks for pdfium load 
We used to lock within documents, ie. we did not allow two threads to
work on the same file.

However pdfium is not threadsafe in any way, and this is not supported,
see:

	https://groups.google.com/forum/#!msg/pdfium/kyIdh_J4csg/K1LvfPiHDwAJ

This patch adds locks around pdfium calls.

see:

	https://github.com/libvips/libvips/issues/1380
	https://github.com/libvips/libvips/issues/1275
 2019-08-08 15:54:16 +01:00
John Cupitt
7250b169d4 Merge branch '8.8' 2019-08-07 16:19:23 +01:00
John Cupitt
f36927e78d fix build against graphicsmagick 
- add tests for more features missing in GM
- simplify the IM/GM configure tests
- revise the test suite to pass with GM and IM
 2019-08-07 16:17:27 +01:00
John Cupitt
f0d1a5d82b note PNG comment fix 2019-08-02 10:11:16 +01:00
John Cupitt
332e97272a Merge branch '8.8' 2019-07-29 10:07:29 +01:00
John Cupitt
5e77ab948b fix loop with malformed ppm 
skip_line in ppm parse was not testing for EOF, so it could get stuck
with malformed files

thanks Kyle-Kyle

see https://github.com/libvips/libvips/issues/1377
 2019-07-29 10:05:55 +01:00
John Cupitt
6a75776272 Merge branch 'loader-minimise-experiment' 2019-07-28 17:23:01 +01:00
John Cupitt
0e5447e537 final cleanup 2019-07-28 17:15:54 +01:00
John Cupitt
264f41df1c Merge branch '8.8' 2019-07-24 16:07:39 +01:00
John Cupitt
3510e7abcf fetch HEIC metadata from the main image 
since thumbs don't have it, see https://github.com/libvips/libvips/issues/1373
 2019-07-24 16:06:49 +01:00
John Cupitt
7f3174c3e5 Merge branch 'master' into loader-minimise-experiment 2019-07-23 11:45:24 +01:00
John Cupitt
03bf5a05fa note fuzz in ChangeLog 2019-07-21 18:02:57 +01:00