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Author SHA1 Message Date
John Cupitt
4bcbcbbf49 try to fix IM load of ico files 
8-bit ico files were being reported at 32-bit, because we used the
->depth field to get pixel depth

try using GetImageChannelDepth() instead, who knows, it might work

see https://github.com/jcupitt/php-vips/issues/34
 2017-02-23 20:05:35 +00:00
John Cupitt
156f729d75 note new seq thing 2017-02-23 20:05:11 +00:00
John Cupitt
12805808da better fix for the reorder memleak 
we could try reordering during image close, and after the arrays had
been freed
 2017-02-23 17:35:52 +00:00
John Cupitt
4bbd56fb0a handle transparency in vips_region_shrink() 
we weren't multiplying through alpha in vips_region_shrink(), causing
fringing on pyramids with transparent elements

thanks sickrandir!

see https://github.com/jcupitt/libvips/issues/599
 2017-02-23 17:04:25 +00:00
John Cupitt
f84825a634 fix a small memleak in reorder 
if set_input was called more than once, it could leak the arrays

thanks @gczuba!

see https://github.com/jcupitt/libvips/issues/607
 2017-02-23 07:50:35 +00:00
John Cupitt
09774740a7 better cache sizing 2017-02-22 20:11:52 +00:00
John Cupitt
4a9d10a0c8 Merge branch 'master' into remove-seq-stalling 2017-02-22 16:11:49 +00:00
John Cupitt
abfabd98ce tiny docs update 2017-02-22 13:31:27 +00:00
John Cupitt
a155521baf fix translation files 2017-02-22 13:28:17 +00:00
John Cupitt
3564339362 notes 2017-02-22 11:41:41 +00:00
John Cupitt
2a85d41570 Merge branch 'master' into remove-seq-stalling 2017-02-22 10:37:54 +00:00
John Cupitt
09eafa4f9f fix xoff/yoff in mosaic output 
we didn't record xoff / yoff correctly for negative offsets

see https://github.com/jcupitt/libvips/issues/606
 2017-02-22 10:27:01 +00:00
John Cupitt
ec75e3a2cc notes 2017-02-22 09:53:13 +00:00
John Cupitt
cb83918a3f remove readbehind 2017-02-21 17:14:33 +00:00
John Cupitt
a4d3c2a754 more UNBUF fixes 
try to keep compat better, remove the single-thread-first-tile idea
 2017-02-21 16:53:48 +00:00
John Cupitt
959f412380 remove stalling 2017-02-21 15:03:15 +00:00
John Cupitt
c6eb9ee0f2 experiment with removal of seq stall 2017-02-21 09:44:21 +00:00
John Cupitt
6691e07d72 notes on seq removal 2017-02-21 09:14:26 +00:00
John Cupitt
f45f6ad52f oop, forgot to comment out DEBUG 
thanks Lovell
 2017-02-21 08:24:46 +00:00
John Cupitt
197a21ed0e don't load 0 length profiles 
some tiffs have 0 length icc profiles ... test profile length before we
try to load it

see https://github.com/jcupitt/libvips/issues/605
 2017-02-20 22:36:35 +00:00
John Cupitt
3f92cfc935 oops, don't copy header fields 
in prev commit
 2017-02-20 13:42:19 +00:00
John Cupitt
abf6a250c2 fix wrapmany compat 
it was not setting reorder hints, then failing on recomp

the nip2 display control bar was broken by this, for example
 2017-02-20 13:32:12 +00:00
John Cupitt
6d95cfd0c5 tweak docs 
see https://github.com/jcupitt/libvips/issues/558
 2017-02-20 11:10:04 +00:00
John Cupitt
6fb2122a5f notes 2017-02-19 17:51:36 +00:00
John Cupitt
53f374434d fix build on centos7 
see https://github.com/jcupitt/libvips/issues/601
 2017-02-19 10:20:37 +00:00
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