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Author SHA1 Message Date
John Cupitt
0deb640bc4 load and save TIFFTAG_IMAGEDESCRIPTION 
this often has useful metadata in, for example the OME spec has all the
metadata in there as an XML document

see https://github.com/jcupitt/libvips/issues/358
 2015-12-21 13:53:33 +00:00
John Cupitt
7267ca4a28 lower max threads in make check 
seems to annoy travis
 2015-12-18 09:11:15 +00:00
John Cupitt
e40a3d166e oops 2015-12-17 13:49:39 +00:00
John Cupitt
efed79f298 Merge branch 'new-bilinear' 2015-12-17 13:43:51 +00:00
John Cupitt
fb084ef6a6 working 2015-12-17 13:43:34 +00:00
John Cupitt
c74f7457a6 Merge branch 'master' of github.com:jcupitt/libvips 2015-12-17 12:58:04 +00:00
John Cupitt
253cb8e2e3 fix up dzsave overlap handling 
There was a mixup with the previous fix to dzsave overlap handling,
correct it and update the test suite.

In the previous revision, dzsave overlapped tiles by overlap and sized
them by tile_size. In fact, tiles should be sized as (tile_size + overlap
* 2), ie. tile_size refers to the number of unique pixels per tile.

See https://github.com/jcupitt/libvips/issues/357
 2015-12-17 11:54:38 +00:00
John Cupitt
bf7bca1851 correct default overlap value 
should be 1 for default layouot mode

see https://github.com/jcupitt/libvips/issues/357
 2015-12-16 16:26:30 +00:00
John Cupitt
7068fbb20b new bilinear interpolator 2015-12-16 14:48:00 +00:00
John Cupitt
42f5403cfa notes 2015-12-15 10:49:02 +00:00
John Cupitt
af6e00e10f Merge branch 'master' of github.com:jcupitt/libvips 2015-12-15 10:45:23 +00:00
John Cupitt
70cf12d034 notes 2015-12-15 10:44:30 +00:00
John Cupitt
7c506b4351 stupid gtk-doc 2015-12-14 14:08:45 +00:00
John Cupitt
d093b6447b make sure tiff load is THINSTRIP 
it was always SMALLTILE before, since it was the result of _header which
set downstream behaviour, not the actual load
 2015-12-14 14:07:48 +00:00
John Cupitt
26ae034389 speeling 2015-12-14 14:07:32 +00:00
John Cupitt
3d163bb4e5 oops, DEBUG was left on in buffer.c 
argh, this was burning a lot of CPU for no reason

added a thing to warn if this is left on again
 2015-12-14 14:06:16 +00:00
John Cupitt
66a6a96c61 why not 2015-12-13 18:12:17 +00:00
John Cupitt
1593b23fc4 allow smaller rowsperstrip 
and some other tiny things
 2015-12-13 14:55:56 +00:00
John Cupitt
ff1dd39432 more tests for arrayjoin 2015-12-12 12:38:29 +00:00
John Cupitt
5916e25c31 rename python bandjoin as ibandjoin 
oh argh class and instance methods are in the same namespace, so we have
to rename the instance one as ibandjoin

also, start adding a test for arrayjoin
 2015-12-12 12:29:20 +00:00
John Cupitt
6e9834e623 add vips_arrayjoin() 2015-12-11 15:14:08 +00:00
John Cupitt
a649ae111d make join use a bit less stack 
helps us join slightly larger image arrays
 2015-12-11 12:35:12 +00:00
John Cupitt
a57cccbf0f fix with orc-0.4.11 2015-12-08 15:33:57 +00:00
John Cupitt
06a627fc51 fix against older orcs 
oops, older orcs don't have those limit constants
 2015-12-08 15:16:52 +00:00
John Cupitt
a0ead35bbb possible improve orc stability 
mutex around calls to the orc compiler, check more error returns, use
limits from the orc headers
 2015-12-08 14:57:48 +00:00
John Cupitt
3570f61f3d Merge branch 'master' of github.com:jcupitt/libvips 2015-12-04 07:28:52 +00:00
John Cupitt
1504ca7cdc have a more formal max image dimension 
we now have VIPS_MAX_COORD for maximum image dimension, set to 10m
pixels ... we could go up to 2bn, but 10m seems a reasonable max, at
least for now

see https://github.com/jcupitt/libvips/issues/355
 2015-12-03 12:14:39 +00:00
John Cupitt
848adca836 fix an off-by-one error in mapim 2015-12-02 16:09:39 +00:00
John Cupitt
8ebed8fe03 fix the bg render thread in sinkscreen 
it could exit under heavy load, resulting in black everywhere ... now
let it exit when there's no work, and restart next time a dirty tile
appears
 2015-12-02 15:51:25 +00:00
John Cupitt
c57a03d8a6 improve vips_sink_screen() shutdown 
is now very careful not to do anything to output images after they've
been unreffed ... fixes a crash in vipsdisp
 2015-12-01 13:12:07 +00:00
John Cupitt
2409767679 add vips_image_new_from_memory_copy() 
takes a copy of a memory area when making an image ... this helps bindings
for languages which don't have much control over memory

see https://github.com/jcupitt/libvips/issues/346
 2015-11-25 17:05:59 +00:00
John Cupitt
6573af3c2a always strip dzsave tile metadata 
dzsave now uses :strip => true for all tiles. There's no point adding
all the metadata to every tile, so hopefully this won't break anything.

Thanks Benjamin, see: https://github.com/jcupitt/libvips/issues/349
 2015-11-25 13:29:23 +00:00
John Cupitt
9b03b27b9c don't write JFIF headers with [strip] 
saving a jpg with [strip] turned on now stops the APP0 jfif headers
being written

thanks Benjamin, see: https://github.com/jcupitt/libvips/issues/349
 2015-11-25 13:17:30 +00:00
John Cupitt
d42caca820 Merge branch 'master' of github.com:jcupitt/libvips 2015-11-24 14:54:29 +00:00
John Cupitt
c79e77438f add restrict tags 2015-11-24 14:53:40 +00:00
John Cupitt
18baf40b1a fix mapim typo 
oops! typo ... also an off-by-one issue for larger stencils

more error checking in interpolators

fix rounding in nohalo/lbb ... they were rounding to nearest in the
interpolator, rather than using floor. This broke assumptions about
stencil position elsewhere. The right way to do centre convention is to offset
the whole input by 0.5 pixels.
 2015-11-22 10:29:45 +00:00
John Cupitt
16c4eeabad python does auto complx/uncomplx 
this is a bit ugly :-(
 2015-11-20 16:29:43 +00:00
John Cupitt
a8b78371f8 better run_cmplx() 
ready to go into Vips.py
 2015-11-20 14:55:28 +00:00
John Cupitt
32f6f5ed22 fix atan() for -ve angles 2015-11-20 14:45:51 +00:00
John Cupitt
2620f3b8c9 allow non-square vips_resize() 
in a very crude way
 2015-11-19 17:09:18 +00:00
John Cupitt
8506ff13a6 try to improve vips_resize() quality 
small improvements to vips_resize() quality:

* turn down the anti-alias filter a little so we don't smudge out texture
* don't do the final sharpening pass if we skipped the anti-alias filter
* fix a >/>= mixup which meant we didn't sharpen for small resizes
 2015-11-19 15:22:23 +00:00
John Cupitt
40173838d1 use atan2 and hypot more 
might be a little quicker
 2015-11-19 14:34:03 +00:00
John Cupitt
743b21e83e fix off by 1 error 2015-11-19 13:25:52 +00:00
John Cupitt
d27bbd6803 add mapim test 
and a python mapim example
 2015-11-19 11:44:58 +00:00
John Cupitt
e47b631105 add notes 2015-11-19 09:55:03 +00:00
John Cupitt
bfbe254ece sync 2015-11-17 10:13:48 +00:00
John Cupitt
cdccf01c46 rename as mapim 2015-11-16 20:32:48 +00:00
John Cupitt
c858066fe0 works, but needs testing 2015-11-16 20:09:27 +00:00
John Cupitt
8e6ed3ef30 compiles 2015-11-16 14:58:51 +00:00
John Cupitt
d32bc97ccb start hacking it in 2015-11-16 11:08:10 +00:00