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1548 Commits

Author SHA1 Message Date
John Cupitt
7f5b0b94c3 Merge branch '8.6' into add-canny 2018-03-04 18:45:59 +00:00
John Cupitt
eefb2dad98 improve rounding in convi intize 
We were rounding up with ceil() when intize-ing convolution masks.
However, the vector path has a true range of (1.0, -1.0], so a mask with
1.0 as the max (for example) was actually triggering the overflow detector
and falling back to the C path.

Round up with ceil(x + 1) instead, so 1.0 (for example) will be mapped
to 0.5 and won't overflow.
 2018-03-04 18:30:25 +00:00
John Cupitt
bca2418d9a Merge branch 'master' into add-canny 2018-03-04 15:31:19 +00:00
John Cupitt
e7a5a8af4a Merge branch '8.6' 2018-03-04 15:31:08 +00:00
John Cupitt
6cff74b602 vips_image_write() could crash if called twice 
two writes in a row could trigger a crash in some circumstances, thanks
@dirceupj

see https://github.com/jcupitt/ruby-vips/issues/156
 2018-03-04 15:14:06 +00:00
John Cupitt
4a59fa652c make vips_sobel() 
cut out of vips_canny()
 2018-02-26 18:33:20 +00:00
John Cupitt
a9b4aeb13a Merge branch '8.6' 2018-02-21 19:01:43 +00:00
John Cupitt
bbe42e13fa version bump 2018-02-12 12:39:53 +00:00
John Cupitt
ce1f236c4d another 2x faster on hough_line 2018-02-02 09:12:31 +00:00
John Cupitt
78db92e60e better hough_line 
2x faster, better parameter space, but breaks compat :( sorry
 2018-02-01 20:41:14 +00:00
John Cupitt
5a4b4e196d allow remove thumbnail from exif 
if the user has removed (or set to NULL) the "jpeg-thumbnail-data" tag,
remove it from the image EXIF on save

see https://github.com/jcupitt/ruby-vips/issues/147
 2018-02-01 16:15:02 +00:00
John Cupitt
749f4a902a Merge branch '8.6' 2018-01-31 20:47:01 +00:00
John Cupitt
e8958cb8ae improve changelog 2018-01-31 20:45:14 +00:00
John Cupitt
01eed391ab add sync locks to vips_sink() 
vips_sink() used to just fire off threads willy nilly -- this could
cause problems with sequential images if a worker fell too far behind
the pack

copy over the area locking mechanism from vips_sink_memory(): new
threads are now stalled if an old thread has not finished
 2018-01-31 16:25:06 +00:00
John Cupitt
421f659d33 allow 1 mode in composite 
reused for all joins

see https://github.com/jcupitt/pyvips/issues/30
 2018-01-30 10:12:03 +00:00
John Cupitt
5fd2ecf81d remove limit on n image in composite 
composite was limited to a max of 64 images ... remove the limit

see https://github.com/jcupitt/pyvips/issues/30
 2018-01-30 09:48:34 +00:00
John Cupitt
97a4ed2ca9 fix a c++ warning 
see https://github.com/jcupitt/libvips/pull/864
 2018-01-26 07:56:43 +00:00
John Cupitt
39406877a2 Merge branch '8.6' 2018-01-12 17:23:24 +00:00
John Cupitt
94daa18884 fix read of plane-separate, large-strip tiff 
TIFFReadScanline() is too fiddly to use on plane-separate, large-strip
images ... ban it!

see https://github.com/jcupitt/libvips/issues/855
 2018-01-12 17:04:47 +00:00
John Cupitt
18f530c724 Merge branch '8.6' 2018-01-12 12:02:41 +00:00
John Cupitt
24c07cfde2 revert an accidental ABI break 
the new window manager code in 8.6.1 changed the prototype of an internal
function which was visible in the public API

this patch renames the function, adds it to an internal header instead,
and adds a stub for the old prototype

see https://github.com/jcupitt/libvips/issues/854
 2018-01-12 11:56:17 +00:00
John Cupitt
925667f8d3 Merge branch '8.6' 2018-01-05 16:29:56 +00:00
John Cupitt
1b89d62eb5 fix a race associated with sink_screen 
sink_screen was not keeping a ref to its input, so in rare conditions
it could try to make a region on a dead image
 2018-01-05 16:27:44 +00:00
John Cupitt
68e0067840 note rgb->g improvement 2018-01-03 08:34:15 +00:00
John Cupitt
4c2434ab67 fix memleak in dzsave 
tree elements were not being freed, thanks lovell

see https://github.com/jcupitt/libvips/issues/837
 2018-01-01 11:40:04 +00:00
John Cupitt
39ab05469f Merge branch '8.6' 2017-12-31 12:57:57 +00:00
John Cupitt
9febc3ac3e seq could be set on small random images 
images under the disc threshold opened in random access mode from
sequential loaders would have the seq tag set on them, causing
performance problems with vips_resize()

see https://github.com/jcupitt/libvips/issues/840
 2017-12-31 12:56:11 +00:00
John Cupitt
a128149009 Merge branch '8.6' 2017-12-31 10:39:36 +00:00
John Cupitt
77287a938f fix misspelling of IPTC as IPCT 
the letters have been accidentally swapped for years

add a compat macro so older code still works
 2017-12-31 10:23:27 +00:00
John Cupitt
e12df167e6 Merge branch 'magicksave' of https://github.com/dlemstra/libvips into dlemstra-magicksave 2017-12-23 12:39:50 +00:00
John Cupitt
eea8b61f3f tiny cleanup 
make the code for error during jpeg buffer write a little cleaner --
rather than calling the jpeg term method ourselves, have a separate
destroy function for the write buffer
 2017-12-19 08:56:51 +00:00
John Cupitt
424b359d33 bump wrapper script version 
and add a test too

see https://github.com/jcupitt/libvips/issues/834
 2017-12-17 10:50:57 +00:00
John Cupitt
19e2e2e208 add credit to changelog 2017-12-16 10:01:04 +00:00
John Cupitt
f4f9667406 remove the 64 image limit on bandary 
any number of input images now

see https://github.com/jcupitt/libvips/issues/822
 2017-12-15 14:21:31 +00:00
John Cupitt
3c0a2e4837 fix window cycling 
we were repeatedly free-ing and new-ing input mmap windows ... this made
things like zoom out on large images in nip2 much slower than they
needed to be
 2017-12-10 17:37:07 +00:00
John Cupitt
e9b7231ac0 add "extend" option to affine 
so for upsizing with displacement (like resize) we can prevent dark
edges on bright images

see

https://github.com/jcupitt/php-vips/issues/61
 2017-12-07 14:51:07 +00:00
John Cupitt
60bd5f6512 add composite2 to notes 2017-12-01 13:37:15 +00:00
John Cupitt
13a693c8bc Merge branch 'master' into add-extra-dzsave-tiles 2017-12-01 13:33:54 +00:00
John Cupitt
9c8790b40a setting EXIF data blocks sets other tags too 
calling vips_image_set() to set the EXIF data block VIPS_META_EXIF_NAME
will automaticaly set other tags, like orientation etc.
 2017-11-27 15:15:21 +00:00
John Cupitt
10eef89a7f update c++ bindings 2017-11-26 17:45:04 +00:00
John Cupitt
406e228c9b vips_resize() is always centre convention 
it was corner for downsize, but should be centre to match imagemagick
 2017-11-26 15:24:40 +00:00
John Cupitt
7db13412e5 deprecate centre option to resize 
it's now centre on upsize, corner on downsize

see https://github.com/jcupitt/libvips/issues/705
 2017-11-25 14:22:20 +00:00
John Cupitt
5664a0d9b1 dzsave outputs extra tiles along right and bottom 
the deepzoom spec wants tiles to be written along the right and bottom,
even of those tiles contain no new pixels

this patch seems to work, but needs testing

see: https://github.com/jcupitt/libvips/issues/795
 2017-11-24 15:54:22 +00:00
John Cupitt
6a4b249445 add dispose handling 
see https://github.com/jcupitt/php-vips/issues/59
 2017-11-22 17:37:31 +00:00
John Cupitt
27621733f2 add gif-comment 2017-11-22 13:10:06 +00:00
John Cupitt
e56282e1fd add gif-loop metadata 
see https://github.com/rokka-io/imagine-vips/issues/3
 2017-11-21 16:04:18 +00:00
John Cupitt
a4b89aa370 credit for affine fixup 2017-11-18 15:11:02 +00:00
John Cupitt
fcec6d639b fix jaggies on the edge of affine output 
and add a "background" param
 2017-11-17 16:30:25 +00:00
John Cupitt
4ea743f5e6 add combine mode to find_indexed 2017-11-03 16:36:09 +00:00
John Cupitt
487c112807 add VIPS_COMBINE_MIN combining mode 
for vips_compass()
 2017-11-02 12:34:01 +00:00