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Author SHA1 Message Date
John Cupitt
646960077d fix cache hint for shrink 
shrink had UNBUFFERED as a cache hint, but for non-int shrinks it used
affine, so you could get out of order reads

set regular SEQ as the cache hint, and switch to reduce for the final
resize in the non-int case

see https://github.com/jcupitt/libvips/issues/596
 2017-02-09 09:10:03 +00:00
John Cupitt
8834b55c47 oops 
ahem missed a rename
 2017-01-30 11:28:23 +00:00
John Cupitt
21a5d0dfe4 speeling 2017-01-29 12:24:25 +00:00
John Cupitt
e210411404 enable bigtiff for large, uncompressed writes 
if compression is off and the image is >4gb, make sure bigtiff is
enabled

this won't always work: if the image is just under the 4gb limit, it
could be pushed over the edge by a lot of metadata. And of course the
libtiff vips is using could be missing bigtiff support

see https://github.com/jcupitt/libvips/issues/591
 2017-01-29 12:20:57 +00:00
John Cupitt
2b482fc2cf seems to work! 2017-01-27 16:43:37 +00:00
John Cupitt
9cc868a7e3 Merge branch 'master' into add-tiff-scanline-load 2017-01-27 11:36:28 +00:00
John Cupitt
756e69cf96 make pngload from buffer set flags 
and remove some dead code from jpegload
 2017-01-27 11:15:48 +00:00
John Cupitt
94434c2359 tiff buffer loader supports get_flags 
the tiff buffer loader was not setting any flags, so seq was using a
temp file (for example)

see https://github.com/jcupitt/libvips/issues/590
 2017-01-27 10:32:47 +00:00
John Cupitt
ec093100fb use fits_open_diskfile(), not fits_open_file() 
so we can open any filename ... fits_open_file() parses fits extended
filename formats

see https://github.com/jcupitt/libvips/issues/584
 2017-01-26 20:17:29 +00:00
John Cupitt
386d44ef38 more dbg in foreign.c 2017-01-26 18:29:43 +00:00
John Cupitt
a34cc2fdf3 notes 2017-01-26 12:07:14 +00:00
John Cupitt
0108d1d605 experiment with scanline load for tiff 
trying to get memuse down for images with huge rows-per-strip
 2017-01-26 12:05:14 +00:00
John Cupitt
276fc83fa1 more VIPS_INIT() docs 
see https://github.com/jcupitt/libvips/issues/588
 2017-01-26 08:46:27 +00:00
John Cupitt
7136053451 sort max/min results by y and x coordinate 
previously the list of maxima or minima found by max/min were in found
order, so essentially random

they now sort equal values by y then x coordinate, so the results are
consistent between runs, provided there are fewer maxima / minima than
are being tracked
 2017-01-24 14:25:15 +00:00
John Cupitt
fb544e3f25 add note about non-determinism in stats 
added a note to the docs for max/min/stats about non-determinism in the
results if there are many maxima/minima

thanks Mark
 2017-01-24 12:14:55 +00:00
John Cupitt
61d9f03ef8 tiny fixes 2017-01-24 11:02:40 +00:00
John Cupitt
c9ce8f70a1 fix an off-by-one error in hist_local 
an odd window width caused an off-by-one error in histogram construction
 2017-01-24 10:51:12 +00:00
John Cupitt
36761bcfd7 make vips_gaussnoise() pixels reproducible 
previously, pixel values were regenerated on every calculation, so they
changed on recomputation

pixel values are now generated from the pixel (x, y) coordinate plus a per-call
seed

thanks MvGulik, see

https://github.com/jcupitt/nip2/issues/60

https://github.com/jcupitt/libvips/issues/583
 2017-01-24 09:36:25 +00:00
John Cupitt
c963678549 more hist_local fixups 
add tests, add restrict
 2017-01-22 10:36:07 +00:00
John Cupitt
9660036216 credit hunter-87 
see https://github.com/jcupitt/libvips/issues/268
 2017-01-22 10:09:40 +00:00
John Cupitt
fa3c92c19b add CLAHE 
vips_hist_local() has a new param, max_slope, which sets the maximum
amount that the local contrast can be boosted by -- CLAHE

see https://github.com/jcupitt/libvips/issues/268

also fix a couple of small range problems

- scale by 255, not 256, to avoid an overflow
- cum hist includes the current value, so sum to <= target, not < target
 2017-01-22 10:05:58 +00:00
John Cupitt
c89014fb3f first hack 2017-01-20 14:59:24 +00:00
John Cupitt
d05018155d adjust notes for coverity changes 2017-01-20 09:16:46 +00:00
John Cupitt
8d49dee32c travis OS X done 
clean up, don't allow fail
 2017-01-20 08:56:23 +00:00
John Cupitt
b140c18a37 various tweaks to calm coverity 
passes cleanly now
 2017-01-20 08:55:13 +00:00
John Cupitt
0de517ed23 more travis 
don't reinstall libtiff
 2017-01-19 18:39:57 +00:00
John Cupitt
1f68e690fc more travis for OS X 
need to unlink sys py before installing
 2017-01-19 16:43:42 +00:00
John Cupitt
9223004377 more travis tweaking 
try brew install rather than reinstall. The .pc files are often
created by the install method, which might explain why libpng.pc was
missing.
 2017-01-19 15:31:33 +00:00
John Cupitt
95793926b5 argh 2017-01-19 14:31:46 +00:00
John Cupitt
fb64671b3e argh more travis 
perhaps `pkg-config --debug` will show something useful
 2017-01-19 14:13:53 +00:00
John Cupitt
721fae73fa tweak travis os x again 
try without PKG_CONFIG_PATH, latest brew seems to not need it
 2017-01-19 13:11:58 +00:00
John Cupitt
0bfcf2efc2 add note about vips_hist_find_ndim() 2017-01-19 09:23:05 +00:00
John Cupitt
5111246a1c oops argh travis 2017-01-18 20:41:10 +00:00
John Cupitt
a0d9a0794e more dbg in travis.yml 2017-01-18 20:34:43 +00:00
John Cupitt
d91396649f trying to fix travis OS X 
try catting config.log
 2017-01-18 16:20:22 +00:00
John Cupitt
79c21dfcf8 seems to be done! 2017-01-18 14:39:27 +00:00
John Cupitt
2b72244a45 fix fitsload 2017-01-17 19:09:00 +00:00
John Cupitt
0231b512b4 fits isn't quite working still 2017-01-17 14:53:40 +00:00
John Cupitt
c464503510 Merge branch 'master' into invalidate-on-load-error 2017-01-17 13:47:14 +00:00
John Cupitt
fb88d037fc Merge branch 'master' into add-thumbnail-geometry 2017-01-17 11:51:10 +00:00
John Cupitt
84270ce787 Merge branch 'master' into prepare-reorder 2017-01-15 10:40:25 +00:00
John Cupitt
dafa26435e only use webp presets in lossy mode 
it seems lossless and near-lossless modes have a separate preset system

see https://github.com/jcupitt/libvips/issues/578
 2017-01-13 12:37:19 +00:00
John Cupitt
2f8a279f2d ooops, forgot convasep 2017-01-12 21:53:24 +00:00
John Cupitt
6b325145e4 use new hints and prepare everywhere 2017-01-12 14:36:44 +00:00
John Cupitt
f302bd6570 all working! 2017-01-12 14:06:54 +00:00
John Cupitt
3d216da8c9 rename recomp as reorder 2017-01-12 09:15:10 +00:00
John Cupitt
d1ef5a6890 compiles, needs more testing 2017-01-11 14:05:50 +00:00
John Cupitt
c5e675f7db fix --vips-cache-max etc. 
--vips-cache-max, --vips-cache-max-memory and --vips-cache-max-files were not
working and probably hadn't been for a while

vipsthumbnail.c turns off the operation cache, it's not useful for
the same operation repeated across many files
 2017-01-10 14:12:24 +00:00
John Cupitt
8bbba73d73 try to fix soname.h again 
now make in install-exec-hook so we are certain libvips.la has been built
 2017-01-06 19:37:36 +00:00
John Cupitt
ec79682215 small fixes 2017-01-06 14:01:55 +00:00