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sharp/docs/changelog.md
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

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# Changelog
### v0.14 - "*needle*"
* Add ability to extend (pad) the edges of an image.
[#128](https://github.com/lovell/sharp/issues/128)
[@blowsie](https://github.com/blowsie)
* Add support for Zoomify and Google tile layouts. Breaks existing tile API.
[#223](https://github.com/lovell/sharp/issues/223)
[@bdunnette](https://github.com/bdunnette)
* Improvements to overlayWith: differing sizes/formats, gravity, buffer input.
[#239](https://github.com/lovell/sharp/issues/239)
[@chrisriley](https://github.com/chrisriley)
* Add entropy-based crop strategy to remove least interesting edges.
[#295](https://github.com/lovell/sharp/issues/295)
[@rightaway](https://github.com/rightaway)
* Expose density metadata; set density of images from vector input.
[#338](https://github.com/lovell/sharp/issues/338)
[@lookfirst](https://github.com/lookfirst)
* Emit post-processing 'info' event for Stream output.
[#367](https://github.com/lovell/sharp/issues/367)
[@salzhrani](https://github.com/salzhrani)
### v0.13 - "*mind*"
#### v0.13.1 - 27<sup>th</sup> February 2016
* Fix embedding onto transparent backgrounds; regression introduced in v0.13.0.
[#366](https://github.com/lovell/sharp/issues/366)
[@diegocsandrim](https://github.com/diegocsandrim)
#### v0.13.0 - 15<sup>th</sup> February 2016
* Improve vector image support by allowing control of density/DPI.
Switch pre-built libs from Imagemagick to Graphicsmagick.
[#110](https://github.com/lovell/sharp/issues/110)
[@bradisbell](https://github.com/bradisbell)
* Add support for raw, uncompressed pixel Buffer/Stream input.
[#220](https://github.com/lovell/sharp/issues/220)
[@mikemorris](https://github.com/mikemorris)
* Switch from libvips' C to C++ bindings, requires upgrade to v8.2.2.
[#299](https://github.com/lovell/sharp/issues/299)
* Control number of open files in libvips' cache; breaks existing `cache` behaviour.
[#315](https://github.com/lovell/sharp/issues/315)
[@impomezia](https://github.com/impomezia)
* Ensure 16-bit input images can be normalised and embedded onto transparent backgrounds.
[#339](https://github.com/lovell/sharp/issues/339)
[#340](https://github.com/lovell/sharp/issues/340)
[@janaz](https://github.com/janaz)
* Ensure selected format takes precedence over any unknown output filename extension.
[#344](https://github.com/lovell/sharp/issues/344)
[@ubaltaci](https://github.com/ubaltaci)
* Add support for libvips' PBM, PGM, PPM and FITS image format loaders.
[#347](https://github.com/lovell/sharp/issues/347)
[@oaleynik](https://github.com/oaleynik)
* Ensure default crop gravity is center/centre.
[#351](https://github.com/lovell/sharp/pull/351)
[@joelmukuthu](https://github.com/joelmukuthu)
* Improve support for musl libc systems e.g. Alpine Linux.
[#354](https://github.com/lovell/sharp/issues/354)
[#359](https://github.com/lovell/sharp/pull/359)
[@download13](https://github.com/download13)
[@wjordan](https://github.com/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*"
#### v0.12.2 - 16<sup>th</sup> 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](https://github.com/lovell/sharp/issues/325)
[@janaz](https://github.com/janaz)
* Allow compilation with gmake to provide FreeBSD support.
[#326](https://github.com/lovell/sharp/issues/326)
[@c0decafe](https://github.com/c0decafe)
* Attempt to remove temporary file after installation.
[#331](https://github.com/lovell/sharp/issues/331)
[@dtoubelis](https://github.com/dtoubelis)
#### v0.12.1 - 12<sup>th</sup> December 2015
* Allow use of SIMD vector instructions (via liborc) to be toggled on/off.
[#172](https://github.com/lovell/sharp/issues/172)
[@bkw](https://github.com/bkw)
[@puzrin](https://github.com/puzrin)
* Ensure embedded ICC profiles output with perceptual intent.
[#321](https://github.com/lovell/sharp/issues/321)
[@vlapo](https://github.com/vlapo)
* Use the NPM-configured HTTPS proxy, if any, for binary downloads.
#### v0.12.0 - 23<sup>rd</sup> November 2015
* Bundle pre-compiled libvips and its dependencies for 64-bit Linux and Windows.
[#42](https://github.com/lovell/sharp/issues/42)
* Take advantage of libvips v8.1.0+ features.
[#152](https://github.com/lovell/sharp/issues/152)
* Add support for 64-bit Windows. Drop support for 32-bit Windows.
[#224](https://github.com/lovell/sharp/issues/224)
[@sabrehagen](https://github.com/sabrehagen)
* Switch default interpolator to bicubic.
[#289](https://github.com/lovell/sharp/issues/289)
[@mahnunchik](https://github.com/mahnunchik)
* Pre-extract rotatation should not swap width/height.
[#296](https://github.com/lovell/sharp/issues/296)
[@asilvas](https://github.com/asilvas)
* Ensure 16-bit+alpha input images are (un)premultiplied correctly.
[#301](https://github.com/lovell/sharp/issues/301)
[@izaakschroeder](https://github.com/izaakschroeder)
* Add `threshold` operation.
[#303](https://github.com/lovell/sharp/pull/303)
[@dacarley](https://github.com/dacarley)
* Add `negate` operation.
[#306](https://github.com/lovell/sharp/pull/306)
[@dacarley](https://github.com/dacarley)
* Support `options` Object with existing `extract` operation.
[#309](https://github.com/lovell/sharp/pull/309)
[@papandreou](https://github.com/papandreou)
### v0.11 - "*knife*"
#### v0.11.4 - 5<sup>th</sup> November 2015
* Add corners, e.g. `northeast`, to existing `gravity` option.
[#291](https://github.com/lovell/sharp/pull/291)
[@brandonaaron](https://github.com/brandonaaron)
* Ensure correct auto-rotation for EXIF Orientation values 2 and 4.
[#288](https://github.com/lovell/sharp/pull/288)
[@brandonaaron](https://github.com/brandonaaron)
* Make static linking possible via `--runtime_link` install option.
[#287](https://github.com/lovell/sharp/pull/287)
[@vlapo](https://github.com/vlapo)
#### v0.11.3 - 8<sup>th</sup> September 2015
* Intrepret blurSigma, sharpenFlat, and sharpenJagged as double precision.
[#263](https://github.com/lovell/sharp/pull/263)
[@chrisriley](https://github.com/chrisriley)
#### v0.11.2 - 28<sup>th</sup> August 2015
* Allow crop gravity to be provided as a String.
[#255](https://github.com/lovell/sharp/pull/255)
[@papandreou](https://github.com/papandreou)
* Add support for io.js v3 and Node v4.
[#246](https://github.com/lovell/sharp/issues/246)
#### v0.11.1 - 12<sup>th</sup> August 2015
* Silence MSVC warning: "C4530: C++ exception handler used, but unwind semantics are not enabled".
[#244](https://github.com/lovell/sharp/pull/244)
[@TheThing](https://github.com/TheThing)
* Suppress gamma correction for input image with alpha transparency.
[#249](https://github.com/lovell/sharp/issues/249)
[@compeak](https://github.com/compeak)
#### v0.11.0 - 15<sup>th</sup> July 2015
* Allow alpha transparency compositing via new `overlayWith` method.
[#97](https://github.com/lovell/sharp/issues/97)
[@gasi](https://github.com/gasi)
* Expose raw ICC profile data as a Buffer when using `metadata`.
[#129](https://github.com/lovell/sharp/issues/129)
[@homerjam](https://github.com/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](https://github.com/lovell/sharp/issues/189)
[@h2non](https://github.com/h2non)
* Tighten constructor parameter checks.
[#221](https://github.com/lovell/sharp/issues/221)
[@mikemorris](https://github.com/mikemorris)
* Allow one input Stream to be shared with two or more output Streams via new `clone` method.
[#235](https://github.com/lovell/sharp/issues/235)
[@jaubourg](https://github.com/jaubourg)
* Use `round` instead of `floor` when auto-scaling dimensions to avoid floating-point rounding errors.
[#238](https://github.com/lovell/sharp/issues/238)
[@richardadjogah](https://github.com/richardadjogah)
### v0.10 - "*judgment*"
#### v0.10.1 - 1<sup>st</sup> June 2015
* Allow embed of image with alpha transparency onto non-transparent background.
[#204](https://github.com/lovell/sharp/issues/204)
[@mikemliu](https://github.com/mikemliu)
* Include C standard library for `atoi` as Xcode 6.3 appears to no longer do this.
[#228](https://github.com/lovell/sharp/issues/228)
[@doggan](https://github.com/doggan)
#### v0.10.0 - 23<sup>rd</sup> April 2015
* Add support for Windows (x86).
[#19](https://github.com/lovell/sharp/issues/19)
[@DullReferenceException](https://github.com/DullReferenceException)
[@itsananderson](https://github.com/itsananderson)
* Add support for Openslide input and DeepZoom output.
[#146](https://github.com/lovell/sharp/issues/146)
[@mvictoras](https://github.com/mvictoras)
* Allow arbitrary aspect ratios when resizing images via new `ignoreAspectRatio` method.
[#192](https://github.com/lovell/sharp/issues/192)
[@skedastik](https://github.com/skedastik)
* Enhance output image contrast by stretching its luminance to cover the full dynamic range via new `normalize` method.
[#194](https://github.com/lovell/sharp/issues/194)
[@bkw](https://github.com/bkw)
[@codingforce](https://github.com/codingforce)
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