53 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
Anton Marsden	a4c6eba7d4	Add unflatten operation to create an alpha channel (#3461)	2023-04-07 11:01:29 +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	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	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	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
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	c14434f9e7	Add removeAlpha op, removes alpha channel if any #1248	2018-08-07 20:32:11 +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	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
Matt Hirsch	d17e8d3450	Add boolean feature for bitwise image operations (#501)	2016-07-11 09:51:43 +01:00
Kleis Auke Wolthuizen	b69627891d	Add trim operation to remove "boring" edges (#491 #492)	2016-07-08 22:19:10 +01:00
Matt Hirsch	65b7f7d7d5	Add bandbool feature for channel-wise boolean operations (#496)	2016-07-07 21:03:49 +01:00
Rahul Nanwani	278273b5c3	Add top/left offset support to overlayWith operation (#473)	2016-07-05 10:12:02 +01:00
Lovell Fuller	a5d85b8a54	Changelog plus tidy of code/docs for convolve operation	2016-07-04 22:13:47 +01:00
Matt Hirsch	b70a7d9a3b	Add convolve operation for kernel-based convolution (#479)	2016-07-04 20:48:00 +01:00
Matt Hirsch	85f20c6e1b	Add greyscale option to threshold operation (#480)	2016-07-03 19:32:07 +01:00
Kleis Auke Wolthuizen	2e9cd83ed2	Add support for clipping/cutting out (#435) (#448) ... USAGE: overlayWith('overlayimage.png', { cutout: true } )	2016-06-25 16:48:01 +01:00
Lovell Fuller	cdb2894bd9	Use libvips' new lanczos3 kernel as default for image reduce ... Deprecate interpolateWith method, now provided as an option	2016-05-18 19:57:22 +01:00
Lovell Fuller	b7a098fb28	Break existing sharpen API to accept sigma and improve precision	2016-05-07 20:04:17 +01:00
Lovell Fuller	185fcfe635	Improve entropy-based crop docs based on feedback. ... Fix includes to keep MSVC compiler happy. Additional memory leak suppressions for latest V8.	2016-03-05 18:30:38 +00:00
Lovell Fuller	2034efcf55	Add experimental, entropy-based auto-crop ... Remove deprecated extract API	2016-03-05 12:29:16 +00:00
Lovell Fuller	bb37dc1ea6	Expose density metadata; set density of images from vector input	2016-03-01 19:33:54 +00:00
Lovell Fuller	d92ea31858	overlayWith improvements: diff sizes/formats, gravity, buffer input	2016-02-29 15:15:27 +00:00
Lovell Fuller	2675b2265b	Ensure 16-bit input images embed onto alpha background ... Support gamma correction of images with alpha channel Favour shrink over affine when reducing by integral factor	2016-02-03 17:48:22 +00:00
Lovell Fuller	5c9c17f1f6	Switch from libvips' C to C++ binding ... Requires upgrade to libvips 8.2.1	2016-02-03 17:48:22 +00:00
David Carley	3af62446fc	Implements greyscale thresholding	2015-11-17 12:15:34 -06:00