Upgrade to libvips 8.3.x

Add support for libvips' new native loaders, including GIF and SVG
Pre-built binaries now include giflib and librsvg, exclude *magick

docs/api.md

@@ -13,7 +13,7 @@ Constructor to which further methods are chained.
 `input`, if present, can be one of:
 
 * Buffer containing JPEG, PNG, WebP, GIF, SVG, TIFF or raw pixel image data, or
-* String containing the path to an image file, with most major formats supported.
+* String containing the path to an JPEG, PNG, WebP, GIF, SVG or TIFF image file.
 
 JPEG, PNG, WebP, GIF, SVG, TIFF or raw pixel image data
 can be streamed into the object when `input` is `null` or `undefined`.
@@ -57,7 +57,7 @@ Fast access to image metadata without decoding any compressed image data.
 
 `callback`, if present, gets the arguments `(err, metadata)` where `metadata` has the attributes:
 
-* `format`: Name of decoder to be used to decompress image data e.g. `jpeg`, `png`, `webp` (for file-based input additionally `tiff`, `magick`, `openslide`, `ppm`, `fits`)
+* `format`: Name of decoder used to decompress image data e.g. `jpeg`, `png`, `webp`, `gif`, `svg`
 * `width`: Number of pixels wide
 * `height`: Number of pixels high
 * `space`: Name of colour space interpretation e.g. `srgb`, `rgb`, `scrgb`, `cmyk`, `lab`, `xyz`, `b-w` [...](https://github.com/jcupitt/libvips/blob/master/libvips/iofuncs/enumtypes.c#L522)
@@ -615,9 +615,6 @@ for example:
   tiff: { id: 'tiff',
     input: { file: true, buffer: true, stream: true },
     output: { file: true, buffer: false, stream: false } },
-  magick: { id: 'magick',
-    input: { file: true, buffer: true, stream: true },
-    output: { file: false, buffer: false, stream: false } },
   raw: { id: 'raw',
     input: { file: false, buffer: false, stream: false },
     output: { file: false, buffer: true, stream: true } } }
@@ -641,22 +638,7 @@ sharp.queue.on('change', function(queueLength) {
 An Object containing the version numbers of libvips and, on Linux, its dependencies.
 
 ```javascript
-> console.log(sharp.versions);
-
-{ zlib: '1.2.8',
-  ffi: '3.2.1',
-  glib: '2.46.2',
-  xml: '2.9.2',
-  gsf: '1.14.34',
-  exif: '0.6.21',
-  jpeg: '1.4.2',
-  png: '1.6.19',
-  lcms: '2.7',
-  webp: '0.4.4',
-  tiff: '4.0.6',
-  magick: '6.9.2-6',
-  orc: '0.4.24',
-  vips: '8.1.1' }
+console.log(sharp.versions);
 ```
 
 ### Utilities

docs/changelog.md

@@ -3,6 +3,8 @@
 ### v0.15 - "*outfit*"
 
 * Take advantage of libvips 8.3 features.
+  Add support for libvips' new native loaders, including GIF and SVG.
+  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](https://github.com/lovell/sharp/issues/369)

docs/index.md

@@ -1,7 +1,7 @@
 # sharp
 
 The typical use case for this high speed Node.js module
-is to convert large images of many formats to
+is to convert large images in common formats to
 smaller, web-friendly JPEG, PNG and WebP images of varying dimensions.
 
 Resizing an image is typically 4x faster than using the
@@ -23,8 +23,7 @@ to install the libvips dependency.
 
 ### Formats
 
-This module supports reading JPEG, PNG, WebP, TIFF, OpenSlide,
-GIF and most other libmagick-supported formats.
+This module supports reading JPEG, PNG, WebP, TIFF, GIF and SVG images.
 
 Output images can be in JPEG, PNG and WebP formats as well as uncompressed raw pixel data.
 

docs/install.md

@@ -6,7 +6,7 @@ npm install sharp
 
 ### Prerequisites
 
-* C++11 compatible compiler such as gcc 4.6+ (Node v4+ requires gcc 4.8+), clang 3.0+ or MSVC 2013
+* C++11 compatible compiler such as gcc 4.8+, clang 3.0+ or MSVC 2013+
 * [node-gyp](https://github.com/TooTallNate/node-gyp#installation)
 
 ### Linux
@@ -15,12 +15,12 @@ npm install sharp
 [![Linux Build Status](https://circleci.com/gh/lovell/sharp.svg?style=svg&circle-token=6cb6d1d287a51af83722b19ed8885377fbc85e5c)](https://circleci.com/gh/lovell/sharp)
 
 libvips and its dependencies are fetched and stored within `node_modules/sharp/lib` during `npm install`.
-This involves an automated HTTPS download of approximately 6MB.
+This involves an automated HTTPS download of approximately 7MB.
 
 Most recent Linux-based operating systems with glibc running on x64 and ARMv6+ CPUs should "just work", e.g.:
 
 * Debian 7, 8
-* Ubuntu 12.04, 14.04, 14.10, 15.04, 15.10
+* Ubuntu 12.04, 14.04, 15.04, 15.10, 16.04
 * Centos 7
 * Fedora 21, 22, 23
 * openSUSE 13.2
@@ -69,10 +69,10 @@ This can be achieved via homebrew:
 brew install homebrew/science/vips
 ```
 
-For GIF input and WebP output suppport use:
+For WebP suppport use:
 
 ```sh
-brew install homebrew/science/vips --with-imagemagick --with-webp
+brew install homebrew/science/vips --with-webp
 ```
 
 A missing or incorrectly configured _Xcode Command Line Tools_ installation
@@ -93,7 +93,6 @@ libvips and its dependencies are fetched and stored within `node_modules\sharp`
 This involves an automated HTTPS download of approximately 9MB.
 
 Only 64-bit (x64) `node.exe` is supported.
-The WebP format is currently unavailable on Windows.
 
 ### FreeBSD