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75 Commits

Author SHA1 Message Date
Lovell Fuller
3f7313d031
Improve tint luminance with weighting function (#3859) 
Co-authored-by: John Cupitt <jcupitt@gmail.com>
 2023-11-19 13:19:34 +00:00
Lovell Fuller
0bd1715f36 Options for trim op must be an Object, add lineArt #2363 2023-11-04 14:09:50 +00:00
Lovell Fuller
2e7c60675b Upgrade to libvips 8.15.0-rc2 2023-11-04 11:36:18 +00:00
Lovell Fuller
655da113c8 Ensure multi-page extract remains sequential #3837 2023-11-01 13:54:33 +00:00
Lovell Fuller
8408e99aa3 Ensure trim op works with CMYK input #3636 2023-04-20 10:49:39 +01:00
Lovell Fuller
5f8646d937 Support modulate op with non-sRGB pipeline colourspace #3620 2023-04-17 19:53:48 +01:00
Anton Marsden
a4c6eba7d4
Add unflatten operation to create an alpha channel (#3461) 2023-04-07 11:01:29 +01:00
Lovell Fuller
b9c3851515 Ensure linear op works with 16-bit input #3605 2023-04-01 12:08:14 +01:00
LachlanNewman
d7776e3b98 Add support to normalise for lower and upper percentiles (#3583) 2023-03-21 10:13:12 +00:00
Lovell Fuller
6c61ad256f Ensure all source code files contain SPDX licence 2023-02-28 17:01:58 +00:00
Tomasz Janowski
6f0e6f2e65
Add support to extend for extendWith, allows copy/mirror/repeat (#3556) 2023-02-17 14:01:24 +00:00
Lovell Fuller
0265d305fe Ensure integral output of linear op #3468 2022-12-04 21:41:15 +00:00
Lovell Fuller
d1004eed02 Ensure greyscale images can be trimmed #3386 2022-09-26 10:15:25 +01:00
Lovell Fuller
55c4d8807c Improve normalise op with use of histogram #200 2022-09-04 10:31:43 +01:00
Lovell Fuller
f5109560d6 Standardise approach for string to enum conversion 2022-09-02 12:20:09 +01:00
Mart
c3a852eecf
Add trim option to provide a specific background colour (#3332) 
Co-authored-by: Mart Jansink <mart@cinemait.nl>
 2022-08-23 12:28:02 +01:00
Anton Marsden
74e3f73934 Expand linear operation to allow use of per-channel arrays #3303 2022-08-20 10:27:04 +01:00
Lovell Fuller
cbf741cac7 Ensure trim is no-op when it would reduce to nothing #3223 2022-07-08 21:06:58 +01:00
Lovell Fuller
e0d3c6e05d Use bounding box of alpha+non-alpha for trim op #2166 2022-07-05 18:19:17 +01:00
Lovell Fuller
ea599ade10 Allow sharpen options to be provided as an Object 
Also exposes x1, y2, y3 parameters #2561 #2935
 2022-03-09 19:07:08 +00:00
Kleis Auke Wolthuizen
513fb40f40
Improve multi-frame image resizing (#2789) 
* Ports vips_thumbnail logic to sharp 
* Deprecates the pageHeight output option for WebP/GIF
 2021-12-10 20:32:04 +00:00
Tenpi
4a9267ce12 Add lightness option to modulate operation 2021-08-30 20:22:41 +01:00
Espen Hovlandsdal
b7ddbe71f7 Add support for negating only non-alpha channels 
Fixes #1035
 2021-08-02 21:19:56 +01:00
Lovell Fuller
a9aa55c32d Ensure pipelineColourspace is applied to all inputs #2704 2021-07-14 19:22:31 +01:00
Brad Parham
4b6b6189bf
Add contrast limiting adaptive histogram equalization (CLAHE) operator (#2726) 2021-05-23 17:36:04 +01:00
Lovell Fuller
f6f16b91db Allow use of recomb op with 1/2 channel input #2584 2021-02-19 16:37:29 +00:00
Lovell Fuller
c42de19d2a Add most dominant colour to image stats #640 2020-07-15 21:57:37 +01:00
Lovell Fuller
4b8cc13a05 Add 2020 to list of copyright years 2020-01-08 21:20:53 +00:00
Lovell Fuller
c41b87303d Ensure trim op supports image-in-alpha #1597 2019-11-14 11:29:45 +00:00
Lovell Fuller
833aaead56 Ensure modulate can co-exist with other colour ops #1958 2019-11-11 22:16:28 +00:00
Lovell Fuller
3fa91bb4ce Ensure image >= 3x3 before attempting trim operation 
See https://github.com/libvips/libvips/issues/1392
 2019-08-13 21:34:49 +01:00
Jakub Michálek
b494b2e872 Add brightness, saturation and hue modulation #609 (#1601) 2019-03-25 07:44:07 +00:00
Lovell Fuller
7cafd4386c Add composite op, supporting multiple images and blend modes #728 2019-03-09 22:46:23 +00:00
Lovell Fuller
4c01a099ea Add ensureAlpha op, adds alpha channel if missing #1153 2019-01-05 21:12:33 +00:00
Lovell Fuller
ee8bfa3980 Add 2019 to list of years of copyright 2019-01-04 16:05:26 +00:00
Keith
541e7104fd Expose libvips recombination matrix operation #1477 2018-12-04 23:06:34 +01:00
Lovell Fuller
60438ebfe5 Ensure precision of trim threshold, update docs #914 2018-10-02 12:45:37 +01:00
Lovell Fuller
21fbe546b8 Switch from custom trim op to vips_find_trim #914 2018-10-02 11:24:32 +01:00
Lovell Fuller
2ce166ab0a Update links to libvips, now in its own GitHub org 2018-09-21 20:33:01 +01:00
Lovell Fuller
c14434f9e7 Add removeAlpha op, removes alpha channel if any #1248 2018-08-07 20:32:11 +01:00
Lovell Fuller
54a71fc142 Fix tint op by ensuring LAB and allowing negative values #1235 
Add test cases for more tint colours and input interpretations
 2018-05-23 20:51:47 +01:00
Rik Heywood
dbac4b9a63 Add tint operation to set image chroma 2018-04-11 20:05:48 +01:00
Marcel
d599d1f29e Expose linear transform feature of libvips (#1024) 2018-02-04 10:36:04 +00:00
Lovell Fuller
1fec132dee Add tilecache before smartcrop to avoid over-computation 2017-11-17 19:53:50 +00:00
Lovell Fuller
36078f9903 Switch to the libvips crop strategy implementations 2017-05-06 14:46:28 +01:00
Lovell Fuller
1169afbe90 Avoid (un)premultiplication for overlay image without alpha channel 
Add 'premultiplied' boolean attribute to output info, helps test
 2017-04-26 21:37:43 +01:00
Lovell Fuller
81f5589411 Add use of 'cc' to improve C++ code style linting 2017-02-11 09:59:23 +00:00
Lovell Fuller
d3c78f825c Ensure premultiply op occurs before box shrink #605 2016-12-04 18:25:44 +00:00
Lovell Fuller
8717ecc429 Modularise JS source in 'lib' subdirectory. 
Generate public API documention via jsdoc comments.
 2016-11-02 09:25:20 +00:00
Lovell Fuller
18b9991fe7 Add experimental 'attention' crop strategy 2016-10-12 11:18:58 +01:00