changelog.md

Changelog

v0.20 - "prebuild"

Requires libvips v8.6.1.

v0.20.4 - 20^th June 2018

• Prevent possible rounding error when using shrink-on-load and 90/270 degree rotation. #1241 @anahit42

• Ensure extractChannel sets correct single-channel colour space interpretation. #1257 @jeremychone

v0.20.3 - 29^th May 2018

• Fix tint operation by ensuring LAB interpretation and allowing negative values. #1235 @wezside

v0.20.2 - 28^th April 2018

• Add tint operation to set image chroma. #825 @rikh42

• Add environment variable to ignore globally-installed libvips. #1165 @oncletom

• Add support for page selection with multi-page input (GIF/TIFF). #1204 @woolite64

• Add support for Group4 (CCITTFAX4) compression with TIFF output. #1208 @woolite64

v0.20.1 - 17^th March 2018

• Improve installation experience when a globally-installed libvips below the minimum required version is found. #1148

• Prevent smartcrop error when cumulative rounding is below target size. #1154 @ralrom

• Expose libvips' median filter operation. #1161 @BiancoA

v0.20.0 - 5^th March 2018

• Add support for prebuilt sharp binaries on common platforms. #186

v0.19 - "suit"

Requires libvips v8.6.1.

v0.19.1 - 24^th February 2018

• Expose libvips' linear transform feature. #1024 @3epnm

• Expose angle option for tile-based output. #1121 @BiancoA

• Prevent crop operation when image already at or below target dimensions. #1134 @pieh

v0.19.0 - 11^th January 2018

• Expose offset coordinates of strategy-based crop. #868 @mirohristov-com

• PNG output now defaults to adaptiveFiltering=false, compressionLevel=9 #872 @wmertens

• Add stats feature for pixel-derived image statistics. #915 @rnanwani

• Add failOnError option to fail-fast on bad input image data. #976 @mceachen

• Resize: switch to libvips' implementation, make fastShrinkOnLoad optional, remove interpolator and centreSampling options. #977 @jardakotesovec

• Attach finish event listener to a clone only for Stream-based input. #995 @whmountains

• Add tilecache before smartcrop to avoid over-computation of previous operations. #1028 @coffeebite

• Prevent toFile extension taking precedence over requested format. #1037 @tomgallagher

• Add support for gravity option to existing embed feature. #1038 @AzureByte

• Expose IPTC and XMP metadata when available. #1079 @oaleynik

• TIFF output: switch default predictor from 'none' to 'horizontal' to match libvips' behaviour.

v0.18 - "ridge"

Requires libvips v8.5.5.

v0.18.4 - 18^th September 2017

• Ensure input Buffer really is marked as Persistent, prevents mark-sweep GC. #950 @lfdoherty

v0.18.3 - 13^th September 2017

• Skip shrink-on-load when trimming. #888 @kleisauke

• Migrate from got to simple-get for basic auth support. #945 @pbomb

v0.18.2 - 1^st July 2017

• Expose libvips' xres and yres properties for TIFF output. #828 @YvesBos

• Ensure flip and flop operations work with auto-rotate. #837 @rexxars

• Allow binary download URL override via SHARP_DIST_BASE_URL env variable. #841

• Add support for Solus Linux. #857 @ekremkaraca

v0.18.1 - 30^th May 2017

• Remove regression from #781 that could cause incorrect shrink calculation. #831 @suprMax

v0.18.0 - 30^th May 2017

• Remove the previously-deprecated output format "option" functions: quality, progressive, compressionLevel, withoutAdaptiveFiltering, withoutChromaSubsampling, trellisQuantisation, trellisQuantization, overshootDeringing, optimiseScans and optimizeScans.

• Ensure maximum output dimensions are based on the format to be used. #176 @stephanebachelier

• Avoid costly (un)premultiply when using overlayWith without alpha channel. #573 @strarsis

• Include pixel depth (e.g. "uchar") when reading metadata. #577 @moedusa

• Add support for Buffer and Stream-based TIFF output. #587 @strarsis

• Expose warnings from libvips via NODE_DEBUG=sharp environment variable. #607 @puzrin

• Switch to the libvips implementation of "attention" and "entropy" crop strategies. #727

• Improve performance and accuracy of nearest neighbour integral upsampling. #752 @MrIbby

• Constructor single argument API: allow plain object, reject null/undefined. #768 @kub1x

• Ensure ARM64 pre-built binaries use correct C++11 ABI version. #772 @ajiratech2

• Prevent aliasing by using dynamic values for shrink(-on-load). #781 @kleisauke

• Expose libvips' "squash" parameter to enable 1-bit TIFF output. #783 @YvesBos

• Add support for rotation using any multiple of +/-90 degrees. #791 @ncoden

• Add "jpg" alias to toFormat as shortened form of "jpeg". #814 @jingsam

v0.17 - "quill"

Requires libvips v8.4.2.

v0.17.3 - 1^st April 2017

• Allow toBuffer to optionally resolve a Promise with both info and data. #143 @salzhrani

• Create blank image of given width, height, channels and background. #470 @pjarts

• Add support for the "nearest" kernel for image reductions. #732 @alice0meta

• Add support for TIFF compression and predictor options. #738 @kristojorg

v0.17.2 - 11^th February 2017

• Ensure Readable side of Stream can start flowing after Writable side has finished. #671 @danhaller

• Expose WebP alpha quality, lossless and near-lossless output options. #685 @rnanwani

v0.17.1 - 15^th January 2017

• Improve error messages for invalid parameters. @spikeon #644

• Simplify expression for finding vips-cpp libdir. #656

• Allow HTTPS-over-HTTP proxy when downloading pre-compiled dependencies. @wangzhiwei1888 #679

v0.17.0 - 11^th December 2016

• Drop support for versions of Node prior to v4.

• Deprecate the following output format "option" functions: quality, progressive, compressionLevel, withoutAdaptiveFiltering, withoutChromaSubsampling, trellisQuantisation, trellisQuantization, overshootDeringing, optimiseScans and optimizeScans. Access to these is now via output format functions, for example quality(n) is now jpeg({quality: n}) and/or webp({quality: n}).

• Autoconvert GIF and SVG input to PNG output if no other format is specified.

• Expose libvips' "centre" resize option to mimic *magick's +0.5px convention. #568

• Ensure support for embedded base64 PNG and JPEG images within an SVG. #601 @dynamite-ready

• Ensure premultiply operation occurs before box filter shrink. #605 @CmdrShepardsPie @teroparvinen

• Add support for PNG and WebP tile-based output formats (in addition to JPEG). #622 @ppaskaris

• Allow use of extend with greyscale input. #623 @ppaskaris

• Allow non-RGB input to embed/extend onto background with an alpha channel. #646 @DaGaMs

v0.16 - "pencil"

Requires libvips v8.3.3

v0.16.2 - 22^nd October 2016

• Restrict readelf usage to Linux only when detecting global libvips version. #602 @caoko

v0.16.1 - 13^th October 2016

• C++11 ABI version is now auto-detected, remove sharp-cxx11 installation flag.

• Add experimental 'attention' crop strategy. #295

• Include .node extension for Meteor's require() implementation. #537 @isjackwild

• Ensure convolution kernel scale is clamped to a minimum value of 1. #561 @abagshaw

• Correct calculation of y-axis placement when overlaying image at a fixed point. #566 @Nateowami

v0.16.0 - 18^th August 2016

• Add pre-compiled libvips for OS X, ARMv7 and ARMv8. #312

• Ensure boolean, bandbool, extractChannel ops occur before sRGB conversion. #504 @mhirsch

• Recalculate factors after WebP shrink-on-load to avoid round-to-zero errors. #508 @asilvas

• Prevent boolean errors during extract operation. #511 @mhirsch

• Add joinChannel and toColourspace/toColorspace operations. #513 @mhirsch

• Add support for raw pixel data with boolean and withOverlay operations. #516 @mhirsch

• Prevent bandbool creating a single channel sRGB image. #519 @mhirsch

• Ensure ICC profiles are removed from PNG output unless withMetadata used. #521 @ChrisPinewood

• Add alpha channels, if missing, to overlayWith images. #540 @cmtt

• Remove deprecated interpolateWith method - use resize(w, h, { interpolator: ... }) #310

v0.15 - "outfit"

Requires libvips v8.3.1

v0.15.1 - 12^th July 2016

• Concat Stream-based input in single operation for ~+3% perf and less GC. #429 @papandreou

• Add alpha channel, if required, before extend operation. #439 @frulo

• Allow overlay image to be repeated across entire image via tile option. #443 @lemnisk8

• Add cutout option to overlayWith feature, applies only the alpha channel of the overlay image. #448 @kleisauke

• Ensure scaling factors are calculated independently to prevent rounding errors. #452 @puzrin

• Add --sharp-cxx11 flag to compile with gcc's new C++11 ABI. #456 @kapouer

• Add top/left offset support to overlayWith operation. #473 @rnanwani

• Add convolve operation for kernel-based convolution. #479 @mhirsch

• Add greyscale option to threshold operation for colourspace conversion control. #480 @mhirsch

• Ensure ICC profiles are licenced for distribution. #486 @kapouer

• Allow images with an alpha channel to work with LAB-colourspace based sharpen. #490 @jwagner

• Add trim operation to remove "boring" edges. #492 @kleisauke

• Add bandbool feature for channel-wise boolean operations. #496 @mhirsch

• Add extractChannel operation to extract a channel from an image. #497 @mhirsch

• Add ability to read and write native libvips .v files. #500 @mhirsch

• Add boolean feature for bitwise image operations. #501 @mhirsch

v0.15.0 - 21^st May 2016

• Use libvips' new Lanczos 3 kernel as default for image reduction. Deprecate interpolateWith method, now provided as a resize option. #310 @jcupitt

• Take advantage of libvips v8.3 features. Add support for libvips' new GIF and SVG loaders. Pre-built binaries now include giflib and librsvg, exclude *magick. Use shrink-on-load for WebP input. Break existing sharpen API to accept sigma and improve precision. #369

• Remove unnecessary (un)premultiply operations when not resizing/compositing. #413 @jardakotesovec

v0.14 - "needle"

Requires libvips v8.2.3

v0.14.1 - 16^th April 2016

• Allow removal of limitation on input pixel count via limitInputPixels. Use with care. #250 #316 @anandthakker @kentongray

• Use final output image for metadata passed to callback. #399 @salzhrani

• Add support for writing tiled images to a zip container. #402 @felixbuenemann

• Allow use of embed with 1 and 2 channel images. #411 @janaz

• Improve Electron compatibility by allowing node-gyp rebuilds without npm. #412 @nouh

v0.14.0 - 2^nd April 2016

• Add ability to extend (pad) the edges of an image. #128 @blowsie

• Add support for Zoomify and Google tile layouts. Breaks existing tile API. #223 @bdunnette

• Improvements to overlayWith: differing sizes/formats, gravity, buffer input. #239 @chrisriley

• Add entropy-based crop strategy to remove least interesting edges. #295 @rightaway

• Expose density metadata; set density of images from vector input. #338 @lookfirst

• Emit post-processing 'info' event for Stream output. #367 @salzhrani

• Ensure output image EXIF Orientation values are within 1-8 range. #385 @jtobinisaniceguy

• Ensure ratios are not swapped when rotating 90/270 and ignoring aspect. #387 @kleisauke

• Remove deprecated style of calling extract API. Breaks calls using positional arguments. #276

v0.13 - "mind"

Requires libvips v8.2.2

v0.13.1 - 27^th February 2016

• Fix embedding onto transparent backgrounds; regression introduced in v0.13.0. #366 @diegocsandrim

v0.13.0 - 15^th February 2016

• Improve vector image support by allowing control of density/DPI. Switch pre-built libs from Imagemagick to Graphicsmagick. #110 @bradisbell

• Add support for raw, uncompressed pixel Buffer/Stream input. #220 @mikemorris

• Switch from libvips' C to C++ bindings, requires upgrade to v8.2.2. #299

• Control number of open files in libvips' cache; breaks existing cache behaviour. #315 @impomezia

• Ensure 16-bit input images can be normalised and embedded onto transparent backgrounds. #339 #340 @janaz

• Ensure selected format takes precedence over any unknown output filename extension. #344 @ubaltaci

• Add support for libvips' PBM, PGM, PPM and FITS image format loaders. #347 @oaleynik

• Ensure default crop gravity is center/centre. #351 @joelmukuthu

• Improve support for musl libc systems e.g. Alpine Linux. #354 #359 @download13 @wjordan

• Small optimisation when reducing by an integral factor to favour shrink over affine.

• Add support for gamma correction of images with an alpha channel.

v0.12 - "look"

Requires libvips v8.2.0

v0.12.2 - 16^th January 2016

• Upgrade libvips to v8.2.0 for improved vips_shrink.

• Add pre-compiled libvips for ARMv6+ CPUs.

• Ensure 16-bit input images work with embed option. #325 @janaz

• Allow compilation with gmake to provide FreeBSD support. #326 @c0decafe

• Attempt to remove temporary file after installation. #331 @dtoubelis

v0.12.1 - 12^th December 2015

• Allow use of SIMD vector instructions (via liborc) to be toggled on/off. #172 @bkw @puzrin

• Ensure embedded ICC profiles output with perceptual intent. #321 @vlapo

• Use the NPM-configured HTTPS proxy, if any, for binary downloads.

v0.12.0 - 23^rd November 2015

• Bundle pre-compiled libvips and its dependencies for 64-bit Linux and Windows. #42

• Take advantage of libvips v8.1.0+ features. #152

• Add support for 64-bit Windows. Drop support for 32-bit Windows. #224 @sabrehagen

• Switch default interpolator to bicubic. #289 @mahnunchik

• Pre-extract rotatation should not swap width/height. #296 @asilvas

• Ensure 16-bit+alpha input images are (un)premultiplied correctly. #301 @izaakschroeder

• Add threshold operation. #303 @dacarley

• Add negate operation. #306 @dacarley

• Support options Object with existing extract operation. #309 @papandreou

v0.11 - "knife"

v0.11.4 - 5^th November 2015

• Add corners, e.g. northeast, to existing gravity option. #291 @brandonaaron

• Ensure correct auto-rotation for EXIF Orientation values 2 and 4. #288 @brandonaaron

• Make static linking possible via --runtime_link install option. #287 @vlapo

v0.11.3 - 8^th September 2015

• Intrepret blurSigma, sharpenFlat, and sharpenJagged as double precision. #263 @chrisriley

v0.11.2 - 28^th August 2015

• Allow crop gravity to be provided as a String. #255 @papandreou
• Add support for io.js v3 and Node v4. #246

v0.11.1 - 12^th August 2015

• Silence MSVC warning: "C4530: C++ exception handler used, but unwind semantics are not enabled". #244 @TheThing

• Suppress gamma correction for input image with alpha transparency. #249 @compeak

v0.11.0 - 15^th July 2015

• Allow alpha transparency compositing via new overlayWith method. #97 @gasi

• Expose raw ICC profile data as a Buffer when using metadata. #129 @homerjam

• Allow image header updates via a parameter passed to existing withMetadata method. Provide initial support for EXIF Orientation tag, which if present is now removed when using rotate, flip or flop. #189 @h2non

• Tighten constructor parameter checks. #221 @mikemorris

• Allow one input Stream to be shared with two or more output Streams via new clone method. #235 @jaubourg

• Use round instead of floor when auto-scaling dimensions to avoid floating-point rounding errors. #238 @richardadjogah

v0.10 - "judgment"

v0.10.1 - 1^st June 2015

• Allow embed of image with alpha transparency onto non-transparent background. #204 @mikemliu

• Include C standard library for atoi as Xcode 6.3 appears to no longer do this. #228 @doggan

v0.10.0 - 23^rd April 2015

• Add support for Windows (x86). #19 @DullReferenceException @itsananderson

• Add support for Openslide input and DeepZoom output. #146 @mvictoras

• Allow arbitrary aspect ratios when resizing images via new ignoreAspectRatio method. #192 @skedastik

• Enhance output image contrast by stretching its luminance to cover the full dynamic range via new normalize method. #194 @bkw @codingforce