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1802 Commits

Author SHA1 Message Date
John Cupitt
c14d7c254b add max and min to region_shrink 
Add max and min to region_shrink. Useful with tiffsave and dzsave when
the image is (for example) line art. Thanks rgluskin.

See: https://github.com/libvips/libvips/issues/1490
 2020-01-24 17:55:11 +00:00
John Cupitt
df6ff62cde add @id arg to dzsave 
So you can now set the base of the id property in info.json in IIIF
output. Thanks regisrob.

See https://github.com/libvips/libvips/issues/1531
 2020-01-24 17:12:46 +00:00
John Cupitt
767c87d6e6 better iiif json 
Change "scalefactor" to "scaleFactor", thanks regisrob.

See https://github.com/libvips/libvips/issues/1530
 2020-01-24 16:28:52 +00:00
John Cupitt
53407206cf start 8.10 cycle 2020-01-24 16:26:28 +00:00
John Cupitt
fc9edfe593 improve imagemagick init 
graphicsmagick, in some configurations, needs to be told to init the
various loaders.

Thanks @LebronCurry

See https://github.com/libvips/libvips/issues/1528
 2020-01-15 14:42:58 +00:00
John Cupitt
8752a76e66 fix a race in tiled tiffload and pdfload 
We weer minimising sources in the ::minimise handler, but this is called
outside the lock that protects _generate. This patch removes minimise in
this case.

See https://github.com/kleisauke/net-vips/issues/53
 2020-01-14 18:06:12 +00:00
John Cupitt
8c1c8b6c9f fix a warning from magicksave on some platforms 
we were leaving delay_gvalue as {0} then unsetting it, which will
produce a warning with some versions of glib.

Thanks chregu.

See https://github.com/libvips/libvips/issues/1524
 2020-01-13 16:23:58 +00:00
John Cupitt
34fcd1fe69 fix autorot in thumbnail 
`vips_thumbnail()` was not taking a private copy of the image before
modifying metadata during auto-rotate.

Thanks janko.

See https://github.com/libvips/libvips/issues/1523
 2020-01-12 14:24:23 +00:00
John Cupitt
51fc2ff64e don't use new source API for new_from_file etc. 
We were attempting to load images in new_from_file using the new source
API first, then only falling back to the file loaders if that failed.

However, this meant that we did not respect the priority ordering on
loaders, so openslide iamges (for example) were being loaded by the tiff
loader.
 2020-01-09 14:47:14 +00:00
John Cupitt
06b52da52a update ChangeLog for stream rename 2019-12-29 21:48:14 +00:00
John Cupitt
e48f45187b make RGB and sRGB synonmous 
We had a half-baked idea that RGB could mean generic RGB space and sRGB
would mean strict sRGB interpretation.

Unfortunately, this did not work well in practice. For example,
`icc_transform("srgb")` would tag the result as RGB rather than sRGB
(the converter didn't know it was writing sRGB pixels, it just saw
conversion to RGB with an ICC profile), and then later stages would do
unnecessary icc_imports, or worse, fail.

This patch makes RGB and sRGB strict synonyms. If you want to treat an
RGB image as something other than sRGB, you'll need to do it by hand
with the icc_ functions.

See

https://github.com/libvips/pyvips/issues/144

46212e92b1 (r34904985)

https://github.com/libvips/libvips/issues/1494
 2019-12-22 11:40:09 +00:00
John Cupitt
acd9101037 always copy before exif_update 
During write, we often call vips__exif_update(). This updates the exif
block from the other image metadata prior to save.

Always copy the image before calling this.

See https://github.com/lovell/sharp/issues/1986
 2019-11-28 14:45:02 +00:00
John Cupitt
b003b36d7a Merge branch '8.8' 2019-11-27 15:30:33 +00:00
John Cupitt
0bc49a485e remove use of realpath 
It won't work on linux systems with grsec.
 2019-11-27 15:14:42 +00:00
John Cupitt
49a8f0779d Merge branch '8.8' 2019-11-26 09:15:39 +00:00
John Cupitt
298002c530 fix build with imagemagick 6.7.8.9 
Ships with centos7, so an important version to support.

See https://github.com/libvips/libvips/issues/1479
 2019-11-25 15:44:28 +00:00
John Cupitt
486b95eb7b
Merge branch 'master' into add-stream-object 2019-11-19 17:08:03 +00:00
John Cupitt
712157cd16 better support for TIFFs with many alphas 
The premultiplied alpha can be in any position, and it checks if there
is more than one ASSOCALPHA.

See https://github.com/libvips/libvips/issues/1471
 2019-11-18 16:48:34 +00:00
John Cupitt
6b5035c160 update changelog 2019-11-15 17:30:31 +00:00
John Cupitt
c1a027c8d7 ppm load uses streams 2019-11-14 12:57:39 +00:00
John Cupitt
cb7bc24b2a note in changelog 2019-11-12 18:05:17 +00:00
John Cupitt
55024c71ce
Merge branch 'master' into add-stream-object 2019-11-12 14:08:02 +00:00
John Cupitt
ceb2db513d Merge branch '8.8' 2019-11-11 18:05:57 +00:00
John Cupitt
b8ea3f8442 update cpp interface for stream variable rename 2019-11-11 09:24:45 +00:00
John Cupitt
b65a9d7328 oop, missing ! on tiff save 
resolution-unit metadata was not being checked correctly on tiff save,
thanks @kayarre

see https://github.com/libvips/pyvips/issues/133
 2019-11-10 10:26:13 +00:00
John Cupitt
f499cefb0e add iiif layout to dzsave 2019-11-09 20:40:39 +00:00
John Cupitt
edca486f19 revise buffered input 
rad load works now
 2019-11-06 16:35:19 +00:00
John Cupitt
8eeb415b09 Merge branch 'master' into add-stream-object 2019-10-28 05:10:11 +00:00
John Cupitt
8337e17428 add no_strip option to dzsave 
it's sometimes useful to have pyramid tiles with ICC profiles

see https://github.com/libvips/libvips/issues/1451
 2019-10-21 16:46:20 +01:00
John Cupitt
20cb0da247 test suite passes 
with all jpegload coming via VipsStreamInput
 2019-10-11 14:03:10 +01:00
John Cupitt
c9a7b92eeb version bump 2019-09-17 17:16:26 +01:00
John Cupitt
efdf33f3de add vips_error_buffer_copy() 
Add vips_error_buffer_copy() to fix a race in error buffer fetch.

See https://github.com/libvips/libvips/issues/1423

Thanks @dineshkannaa
 2019-09-12 09:49:49 +01:00
John Cupitt
7b2729adfa fix up nifti load/save 
- use double for all floating point scalar metadata, like other loaders
- remove use of stray "n" property
 2019-09-09 16:06:22 +01:00
John Cupitt
dd9eba9e26 add @format and @interpretation to rawload 2019-09-05 16:25:55 +01:00
John Cupitt
1ee54bfa80 Merge branch '8.8' 2019-09-05 12:45:08 +01:00
John Cupitt
06fdc95038 xres/yres params in tiffsave were in cm 
and should have been in pixels/mm

thanks f--f

see https://github.com/libvips/libvips/issues/1421
 2019-09-04 17:02:24 +01:00
John Cupitt
da8cee048f enable alpha in heifsave 
Check for image alpha and enable it. There seem to be some
non-transparent tiles, curiously.

See https://github.com/libvips/libvips/issues/1411
 2019-09-01 16:58:50 +01:00
John Cupitt
75b45cc2ef enable alpha handling in heic load 
use RGBA decoding, when appropriate

see https://github.com/libvips/libvips/issues/1411
 2019-09-01 16:37:43 +01:00
John Cupitt
4b5b982711 merge 8.8 2019-08-31 12:29:50 +01:00
John Cupitt
574be4380e revert sharpen restoring the input colourspace 
icc_export can make _RGB images, so the input can be outside the set of
supported colourspace transforms.

See 46212e92b1 (r34904985)

bump version too.
 2019-08-31 11:29:36 +01:00
John Cupitt
5d19bcf955 Merge branch '8.8' 2019-08-30 11:03:24 +01:00
John Cupitt
6ea76f9632 improve data_length handling in jpg load 
libjpeg uses unsigned ints for data length, so we must use size_t
everywhere.
 2019-08-30 11:00:25 +01:00
John Cupitt
349e76bb85 Merge branch '8.8' 2019-08-29 15:30:20 +01:00
John Cupitt
3161de3b52 verify bands/format for coded vips images 
WHen loading a vips image with Coding set, make sure that Bands and
BandFmt are correct.
 2019-08-29 15:28:55 +01:00
John Cupitt
9a5dca1ef8 Merge branch '8.8' 2019-08-28 10:05:12 +01:00
John Cupitt
46212e92b1 fix default sharpen 
sharpen with sigma 0.5 was doing nothing, since the new int precision
rules meant that we generated a point-point convolution.

This patch increases the int precision for sharpen, so we now work with
sigma down to 0.5.

Also: restore input colourspace. Previously, the output image was always
LabS (the computation space for sharpen). Now, it transforms back to the
input space. This is more in line with how other operators work.

Thanks 2h4dl for pointing this out.

See https://github.com/libvips/pyvips/issues/123
 2019-08-28 09:16:40 +01:00
John Cupitt
2f6cc1fad9 Merge branch '8.8' 2019-08-27 14:49:42 +01:00
John Cupitt
d61a85f6c9 prevent over-pre-shrink in thumbnail 
We could pre-shrink so much that an axis went to 0.

See https://github.com/lovell/sharp/issues/1782#issuecomment-525249430
 2019-08-27 14:47:36 +01:00
John Cupitt
d2ab993931 Merge branch '8.8' 2019-08-27 13:06:27 +01:00
John Cupitt
5cce83a294 check image bounds for GIF load 
It seems giflib does no checking of image dimensions at all, not even
height == 0.
 2019-08-27 13:04:28 +01:00