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1402 Commits

Author SHA1 Message Date
John Cupitt
d7da3c7de7 fix vips_resize() bug 
if hscale and vscale were very different, resize could fail with "reduce
factor too large" ... just a silly typo
 2017-03-10 10:22:40 +00:00
John Cupitt
55dcaa4ae4 add vips_rot90() etc. convenience funcs 
90/180/270 rotate as convenience functions
 2017-03-07 17:36:49 +00:00
John Cupitt
205fb817e8 change three C API funcs to match Python/C++/CLI 
vips_math2_const(), vips_boolean_const() and vips_relational_const() had
the const and oper args reversed from the Python/CLI/C++ API

add something to check for arg priority conflicts and resolve the
conflicts it found
 2017-03-07 14:28:31 +00:00
John Cupitt
47a4a78a33 Merge branch 'try-expat' 2017-02-28 17:19:21 +00:00
John Cupitt
1912a30bec Revert "note new seq thing" 
This reverts commit 156f729d75.
 2017-02-27 10:23:19 +00:00
John Cupitt
e1b9c789cb add dbuf object 
dynamically expanding buffer

also, escape "<>& appropriately when we write xml
 2017-02-26 17:37:46 +00:00
John Cupitt
e87654fcd9 use printf for xml write 2017-02-25 17:28:48 +00:00
John Cupitt
134ce0560c use expat for xml read 
we were using libxml for xml load, use expat instead, we get it for free
with glib
 2017-02-25 13:07:43 +00:00
John Cupitt
156f729d75 note new seq thing 2017-02-23 20:05:11 +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
21a5d0dfe4 speeling 2017-01-29 12:24:25 +00:00
John Cupitt
2b482fc2cf seems to work! 2017-01-27 16:43:37 +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
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
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
d05018155d adjust notes for coverity changes 2017-01-20 09:16:46 +00:00
John Cupitt
79c21dfcf8 seems to be done! 2017-01-18 14:39:27 +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
6b325145e4 use new hints and prepare everywhere 2017-01-12 14:36:44 +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
2fa3736722 all done, I think 2017-01-06 13:43:43 +00:00
John Cupitt
5d61bd4982 Merge branch 'master' into add-webp-metadata 2017-01-04 16:13:39 +00:00
John Cupitt
c4640b61c7 Merge branch 'glib-logging' 2017-01-04 14:58:11 +00:00
John Cupitt
9581e14dee all done 2017-01-04 14:45:35 +00:00
John Cupitt
b29201595d note fits improvements in changelog 2017-01-04 12:56:04 +00:00
John Cupitt
2be0b97dce switch to g_warning()_/g_info() 
we had vips_warn() and vips_info(), but they are a bit crappy ... switch
to g_warning() and g_info() instead

see https://github.com/jcupitt/libvips/issues/544
 2017-01-03 15:52:27 +00:00
John Cupitt
c31f4ec2d7 add VIPS_SONAME etc. 
helps check ABI and php-vips-ext lock the right library
 2016-12-31 17:58:33 +00:00
John Cupitt
c1ca76f6a2 Merge branch '8.4' 2016-12-09 15:46:02 +00:00
John Cupitt
4f85a5d7cd lower libgsf requirement to 1.14.26 
1.14.16 seems to more or less work, and is the most recent version on
centos

see https://github.com/jcupitt/libvips/issues/528
 2016-12-08 13:54:05 +00:00
John Cupitt
0d9bf6a81e gifload supports n and page-height 2016-11-26 15:07:12 +00:00
John Cupitt
6e968d46f2 magick7 now supports page/n 2016-11-25 18:19:36 +00:00
John Cupitt
6e26e317e0 update magick6 loader 
now supports page/n/page-height
 2016-11-25 14:46:46 +00:00
John Cupitt
25dd60c781 add tests 
all done, I think
 2016-11-23 17:20:04 +00:00
John Cupitt
5a61374bbf Merge branch 'master' into add-tiffload-n-pages 2016-11-22 21:38:31 +00:00
John Cupitt
64d02a7a15 strip read works 
tile next
 2016-11-17 14:50:21 +00:00
John Cupitt
e213a9ded6 remove @fail machinery from openslideload 
since openslide load errors are fatal ... see

bb0a6643f9 (commitcomment-19838911)
 2016-11-16 07:41:31 +00:00
John Cupitt
85be55fe4f add vips_image_get_fields() 
helps bindings (which struglle with vips_image_map()) get a list of
header fields

works from py, but not ruby, I guess gchar** isn't a supported type for
ruby-gnome

see https://github.com/jcupitt/libvips/issues/533
 2016-11-12 16:37:13 +00:00
John Cupitt
bb0a6643f9 move @fail from jpegload into the base load class 
and add fail support to csv and openslide

see https://github.com/jcupitt/libvips/issues/546
 2016-11-12 15:33:35 +00:00
John Cupitt
e72d145ae9 better >4gb detection for zip dzsave 
older libgsfs can't save zip64 and will fail silently for very large
output trees ... improve the slightly sketchy >4gb detection in dzsave

this a a version of the patch in https://github.com/jcupitt/libvips/pull/462
 2016-11-11 16:24:18 +00:00
John Cupitt
4df18c2a33 Merge branch '8.4' 2016-11-11 12:31:18 +00:00
John Cupitt
96ef05a9d1 fix a crash in arg handling on Windows 
we were not updating argc in vips.c after all calls to
g_option_context_parse_strv() on Windows, leading to a crash in some cases

see https://github.com/jcupitt/libvips/issues/553
 2016-11-11 10:14:03 +00:00
John Cupitt
b56b888bf0 add webp metadata write 
untested, but it does compile
 2016-11-08 12:30:02 +00:00
John Cupitt
47222bc1f5 move exif handling out to exif.c 
now used by webpload as well
 2016-11-07 12:20:56 +00:00
John Cupitt
d4b4eb44a3 works! 2016-11-02 11:07:30 +00:00
John Cupitt
a96d851ff2 fix up vipsheader with complex field types 
"-f name" displays a detailed form, "-a" displays a summary of each
field

fix a problem with string fields as well
 2016-11-01 11:51:20 +00:00
John Cupitt
3f1f950bff add vips_image_hasalpha() 2016-10-31 11:14:27 +00:00