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Author SHA1 Message Date
John Cupitt
1ff9800958 improve hough_circle docs 
we were not actually saying what the output axes represented

see https://github.com/libvips/ruby-vips/issues/237
 2020-06-15 12:40:43 +01:00
John Cupitt
05b0359897 fix regression of multipage tiff thumbnail 
the recent subifd addition had broken thumbnail of multipage tiffs,
thanks @petoor

see https://github.com/libvips/pyvips/issues/192
 2020-06-15 10:22:01 +01:00
John Cupitt
eb8ec27c86 fix binary ppm read for some width 2020-06-13 11:40:45 +01:00
John Cupitt
72b73e069e Merge branch 'master' of github.com:libvips/libvips 2020-06-13 10:29:58 +01:00
John Cupitt
83bf4804f7
Merge pull request #1687 from libvips/revert-1686-heif-nclx-bt709 
Revert "Add BT.709 ICC profile and use for HEIF "nclx""
 2020-06-13 10:29:33 +01:00
John Cupitt
e9b1f538db
Revert "Add BT.709 ICC profile and use for HEIF "nclx"" 2020-06-13 04:10:13 +01:00
John Cupitt
99f495a5ed Merge branch 'master' of github.com:libvips/libvips 2020-06-13 03:55:31 +01:00
John Cupitt
b33178d2aa
Merge pull request #1686 from lovell/heif-nclx-bt709 
Add BT.709 ICC profile and use for HEIF "nclx"
 2020-06-13 03:55:11 +01:00
John Cupitt
dfb714e8fe minor reformat 2020-06-13 03:51:40 +01:00
Lovell Fuller
fc20a7a654 Add bt709 ICC profile, use for heif 'nclx' 2020-06-12 20:20:25 +01:00
John Cupitt
95406c7888
Merge pull request #1682 from libvips/libspng-experiment 
Load PNGs with libspng
 2020-06-12 19:11:42 +01:00
John Cupitt
8c19e07ae3 add --vips-config flag 
so "vips --vips-config" now displays:

```
$ vips --vips-config
native win32: no, native OS X: no, open files in binary mode: no, ...
```
 2020-06-12 17:30:57 +01:00
John Cupitt
d5fcb6baaf
Merge branch 'master' into libspng-experiment 2020-06-12 12:42:11 +01:00
John Cupitt
4ae4be7046 note resize work in ChangeLog 2020-06-12 12:40:44 +01:00
John Cupitt
75632a5641
Merge pull request #1592 from kleisauke/issue-703 
Fix the pixel shift within reduce (#703)
 2020-06-12 12:36:22 +01:00
John Cupitt
4469afaeb0 better handling of "nearest" in resize 
we now use vips_subsample() for this case
 2020-06-12 12:03:15 +01:00
John Cupitt
675c72b07f
Merge pull request #1681 from libvips/remove-libheif-autorotate 
deprecate heifload autorotate
 2020-06-11 15:35:12 +01:00
John Cupitt
b643bd9448 guard against read zero bytes from libheif 2020-06-11 14:59:06 +01:00
John Cupitt
f96f2d3014 SPNG_DECODE_TRNS flag was missing 
see https://github.com/libvips/libvips/pull/1682#pullrequestreview-428866084
 2020-06-11 13:49:51 +01:00
John Cupitt
61628eefdf final fixes for spng loader 2020-06-11 13:24:27 +01:00
John Cupitt
b8be8ec659 pngsuite passes 2020-06-11 12:53:46 +01:00
John Cupitt
49df5f54c1 Randy's loader patch compiles 2020-06-11 12:17:58 +01:00
John Cupitt
49b35f708f
Merge pull request #1678 from randy408/spng-fix 
Revise spngloader
 2020-06-11 11:38:26 +01:00
John Cupitt
1e015654c3 deprecate heifload autorotate 
heifload autorotate is now always on, and we always delete EXIF
orientation tags. If a HEIC image fails to rotate upright, at least it's
someone else's fault.

see https://github.com/libvips/libvips/pull/1680
 2020-06-10 19:57:50 +01:00
John Cupitt
f2688ee6c1
Merge pull request #1679 from lovell/heifload-fixes-nclx-hdr 
heifload: ignore nclx colour profiles, ensure assumed uchar format
 2020-06-10 13:51:50 +01:00
Lovell Fuller
221ad1b9b3 heifload: ignore nclx profiles, ensure uchar format 2020-06-10 12:23:17 +01:00
Randy
2457e6768a fix enums 2020-06-09 20:04:03 +02:00
Randy
0ff30f972d revise spngload 2020-06-09 19:56:23 +02:00
John Cupitt
ce63fc1145 use libspng for load, libpng for save 2020-06-09 14:38:04 +01:00
Florian Heinrich
17a9bf393f Merge branch 'master' of https://github.com/libvips/libvips 2020-06-09 11:25:05 +02:00
Florian Heinrich
035e0bc756 Added read and write functionality for 2 and 4 bit greyscale TIF images 2020-06-09 11:23:28 +02:00
John Cupitt
ac96bb80b5 try revising spng FMT handling again 2020-06-09 02:38:38 +01:00
John Cupitt
f113e64515 update for latest spng 1/2/4 bit handling 2020-06-09 02:27:46 +01:00
John Cupitt
70a1dc0926 Revert "improve transparency support" 
This reverts commit 20c9a7f7cc.
 2020-06-09 02:04:55 +01:00
John Cupitt
ad73034a30 Merge branch 'master' into libspng-experiment 2020-06-09 02:03:40 +01:00
John Cupitt
dbae22ab58 revise unpremultiply 
We were clipping alpha very aggressively. With over- and under-shoot
ringing on edges, this could introduce extra fringes.

see https://github.com/libvips/libvips/pull/1675
 2020-06-08 18:47:28 +01:00
John Cupitt
20c9a7f7cc improve transparency support 2020-06-07 17:27:24 +01:00
John Cupitt
6705ff85b5 use INTERLACE_NONE 2020-06-07 15:29:48 +01:00
John Cupitt
fc872421aa add exif/icc/text text chunk read 
using new libspng 0.6 features
 2020-06-07 15:17:37 +01:00
John Cupitt
ef408d630b start adding ICC and XMP support 
not quite working though ... seems to need a fix in libspng still
 2020-06-07 14:00:10 +01:00
John Cupitt
a44814018d Merge branch 'master' into libspng-experiment 2020-06-07 11:56:16 +01:00
John Cupitt
981d5c4b16 revise autorot system 
- deprecate vips_autorot_get_angle() since orientation is no longer a
simple rotate
- add vips_image_get_orientation() and vips_image_get_orientation_swap()
- revise tiff and jpeg loader autorotate to just call vips_autorot(),
but only if necessary
- revise thumbnail autorotate too
 2020-06-06 17:25:46 +01:00
John Cupitt
30386db775
Merge pull request #1650 from wix-playground/master 
Handle mirrored orientations in autorot
 2020-06-06 14:46:15 +01:00
Kleis Auke Wolthuizen
d7a735400a reducev: Fix undefined-behaviour within the vector path 
Found by UBSan.
 2020-06-06 14:50:32 +02:00
Kleis Auke Wolthuizen
ac30bad695 Remove round-to-nearest behaviour 
It seems that it generates the same image, with or without this change.

Tested with https://github.com/kleisauke/vips-issue-703.
 2020-06-06 14:29:57 +02:00
Kleis Auke Wolthuizen
c0ed106079 Formatting and whitespace changes 2020-06-06 14:25:03 +02:00
Kleis Auke Wolthuizen
369b098096 Prefer an immediate calculation where possible 
In line with reducev.
 2020-06-06 14:21:15 +02:00
Kleis Auke Wolthuizen
dfdf899c92 Ensure reducev is THINSTRIP 
In line with reduceh.
 2020-06-06 14:16:24 +02:00
Kleis Auke Wolthuizen
b6e4e9e74b Speed up the mask construction for uchar/ushort images 
By not calling vips_vector_to_fixed_point repeatedly.
 2020-06-06 14:12:37 +02:00
Kleis Auke Wolthuizen
ac358ff4b8 Fix the pixel shift within reduce (#703) 2020-06-06 14:01:34 +02:00