Release v0.23.0

Utilises common path of existing invalidParameterError

.github/CONTRIBUTING.md

@@ -12,9 +12,12 @@ New bugs are assigned a `triage` label whilst under investigation.
 
 ## Submit a new feature request
 
-If a [similar request](https://github.com/lovell/sharp/labels/enhancement) exists, it's probably fastest to add a comment to it about your requirement.
+If a [similar request](https://github.com/lovell/sharp/labels/enhancement) exists,
+it's probably fastest to add a comment to it about your requirement.
 
-Implementation is usually straightforward if _libvips_ [already supports](https://libvips.github.io/libvips/API/current/) the feature you need.
+Implementation is usually straightforward if libvips
+[already supports](https://libvips.github.io/libvips/API/current/func-list.html)
+the feature you need.
 
 ## Submit a Pull Request to fix a bug
 
@@ -41,18 +44,18 @@ Any change that modifies the existing public API should be added to the relevant
 
 | Release | WIP branch |
 | ------: | :--------- |
-| v0.22.0 | uptake     |
-| v0.23.0 | vision     |
+| v0.24.0 | wit        |
+| v0.25.0 | yield      |
 
 Please squash your changes into a single commit using a command like `git rebase -i upstream/<wip-branch>`.
 
 ### Add a new public method
 
-The API tries to be as fluent as possible. Image processing concepts follow the naming conventions from _libvips_ and, to a lesser extent, _ImageMagick_.
+The API tries to be as fluent as possible.
+Image processing concepts follow the naming conventions from libvips and, to a lesser extent, ImageMagick.
 
-Most methods have optional parameters and assume sensible defaults. Methods with mandatory parameters often have names like `doSomethingWith(X)`.
-
-Please ensure backwards compatibility where possible. Methods to modify previously default behaviour often have names like `withoutOptionY()` or `withExtraZ()`.
+Most methods have optional parameters and assume sensible defaults.
+Please ensure backwards compatibility where possible.
 
 Feel free to create a [new issue](https://github.com/lovell/sharp/issues/new) to gather feedback on a potential API change.
 
@@ -60,7 +63,7 @@ Feel free to create a [new issue](https://github.com/lovell/sharp/issues/new) to
 
 A method to be removed should be deprecated in the next major version then removed in the following major version.
 
-By way of example, the [bilinearInterpolation method](https://github.com/lovell/sharp/blob/v0.6.0/index.js#L155) present in v0.5.0 was deprecated in v0.6.0 and removed in v0.7.0.
+By way of example, the `background()` method present in v0.20.0 was deprecated in v0.21.0 and removed in v0.22.0.
 
 ## Documentation
 
@@ -95,5 +98,5 @@ Please feel free to ask any questions via a
 [new issue](https://github.com/lovell/sharp/issues/new).
 
 If you're unable to post details publicly, please
-[e-mail](https://github.com/lovell/sharp/blob/master/package.json#L4)
+[e-mail](https://github.com/lovell/sharp/blob/master/package.json#L5)
 for private, paid consulting.

.github/ISSUE_TEMPLATE/feature_request.md

@@ -0,0 +1,18 @@
+---
+name: Feature request
+about: Suggest an idea
+title: ''
+labels: enhancement
+assignees: ''
+
+---
+
+What are you trying to achieve?
+
+Have you searched for similar feature requests?
+
+What would you expect the API to look like?
+
+What alternatives have you considered?
+
+Is there a sample image that helps explain?

.github/ISSUE_TEMPLATE/installation.md

@@ -0,0 +1,16 @@
+---
+name: Installation
+about: For help if something went wrong installing sharp
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+What is the output of running `npm install --verbose sharp`?
+
+What is the output of running `npx envinfo --binaries --languages --system --utilities`?
+
+Have you ensured the platform and version of Node.js used for `npm install` is the same as the platform and version of Node.js used at runtime?
+
+If you're using `sudo npm install` have you tried with the `sudo npm install --unsafe-perm` flag?

.github/ISSUE_TEMPLATE/possible-bug.md

@@ -0,0 +1,18 @@
+---
+name: Possible bug
+about: Please provide steps to reproduce
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+What is the output of running `npx envinfo --binaries --languages --system --utilities`?
+
+What are the steps to reproduce?
+
+What is the expected behaviour?
+
+Are you able to provide a standalone code sample, without other dependencies, that demonstrates this problem?
+
+Are you able to provide a sample image that helps explain the problem?

.github/ISSUE_TEMPLATE/question.md

@@ -0,0 +1,16 @@
+---
+name: Question
+about: For help with an existing feature
+title: ''
+labels: question
+assignees: ''
+
+---
+
+What are you trying to achieve?
+
+Have you searched for similar questions?
+
+Are you able to provide a standalone code sample that demonstrates this question?
+
+Are you able to provide a sample image that helps explain the question?

.gitignore

@@ -12,4 +12,5 @@ vendor
 .gitattributes
 .DS_Store
 .nyc_output
+.vscode/
 package-lock.json

.npmignore

@@ -12,4 +12,5 @@ docs/css/
 vendor
 .prebuildrc
 .nyc_output
-CONTRIBUTING.md
+.github/
+.vscode/

.travis.yml

@@ -1,11 +1,5 @@
 matrix:
   include:
-    - name: "Linux (glibc) - Node 6"
-      os: linux
-      dist: trusty
-      sudo: false
-      language: node_js
-      node_js: "6"
     - name: "Linux (glibc) - Node 8"
       os: linux
       dist: trusty
@@ -18,15 +12,15 @@ matrix:
       sudo: false
       language: node_js
       node_js: "10"
-      after_success:
-        - npm install coveralls
-        - cat ./coverage/lcov.info | ./node_modules/coveralls/bin/coveralls.js
-    - name: "Linux (glibc) - Node 11"
+    - name: "Linux (glibc) - Node 12"
       os: linux
       dist: trusty
       sudo: false
       language: node_js
-      node_js: "11"
+      node_js: "12"
+      after_success:
+        - npm install coveralls
+        - cat ./coverage/lcov.info | ./node_modules/coveralls/bin/coveralls.js
     - name: "Linux (musl) - Node 8"
       os: linux
       dist: trusty
@@ -47,21 +41,16 @@ matrix:
         - sudo docker exec sharp apk add build-base git python2 --update-cache
       install: sudo docker exec sharp sh -c "npm install --unsafe-perm"
       script: sudo docker exec sharp sh -c "npm test"
-    - name: "Linux (musl) - Node 11"
+    - name: "Linux (musl) - Node 12"
       os: linux
       dist: trusty
       sudo: true
       language: minimal
       before_install:
-        - sudo docker run -dit --name sharp --env CI --env PREBUILD_TOKEN --volume "${PWD}:/mnt/sharp" --workdir /mnt/sharp node:11-alpine
+        - sudo docker run -dit --name sharp --env CI --env PREBUILD_TOKEN --volume "${PWD}:/mnt/sharp" --workdir /mnt/sharp node:12.0-alpine
         - sudo docker exec sharp apk add build-base git python2 --update-cache
       install: sudo docker exec sharp sh -c "npm install --unsafe-perm"
       script: sudo docker exec sharp sh -c "npm test"
-    - name: "OS X - Node 6"
-      os: osx
-      osx_image: xcode9.2
-      language: node_js
-      node_js: "6"
     - name: "OS X - Node 8"
       os: osx
       osx_image: xcode9.2
@@ -72,8 +61,8 @@ matrix:
       osx_image: xcode9.2
       language: node_js
       node_js: "10"
-    - name: "OS X - Node 11"
+    - name: "OS X - Node 12"
       os: osx
       osx_image: xcode9.2
       language: node_js
-      node_js: "11"
+      node_js: "12"

README.md

@@ -20,7 +20,7 @@ As well as image resizing, operations such as
 rotation, extraction, compositing and gamma correction are available.
 
 Most modern 64-bit OS X, Windows and Linux systems running
-Node versions 6, 8, 10 and 11
+Node versions 8, 10 and 12
 do not require any additional install or runtime dependencies.
 
 ## Examples
@@ -96,7 +96,7 @@ Visit [sharp.pixelplumbing.com](https://sharp.pixelplumbing.com/) for complete
 
 ### Contributing
 
-A [guide for contributors](https://github.com/lovell/sharp/blob/master/CONTRIBUTING.md)
+A [guide for contributors](https://github.com/lovell/sharp/blob/master/.github/CONTRIBUTING.md)
 covers reporting bugs, requesting features and submitting code changes.
 
 ### Licensing

appveyor.yml

@@ -4,13 +4,12 @@ build: off
 platform: x64
 environment:
   matrix:
-  - nodejs_version: "6"
   - nodejs_version: "8"
   - nodejs_version: "10"
-  - nodejs_version: "11"
+  - nodejs_version: "12"
 install:
-  - ps: Install-Product node $env:nodejs_version x64
-  - npm install -g npm@5
+  - ps: Update-NodeJsInstallation (Get-NodeJsLatestBuild $env:nodejs_version) x64
+  - npm install -g npm@6
   - npm install
 test_script:
   - npm test

binding.gyp

@@ -97,7 +97,8 @@
         'conditions': [
           ['OS == "win"', {
             'defines': [
-              '_ALLOW_KEYWORD_MACROS'
+              '_ALLOW_KEYWORD_MACROS',
+              '_FILE_OFFSET_BITS=64'
             ],
             'libraries': [
               '../vendor/lib/libvips.lib',
@@ -183,22 +184,15 @@
     'configurations': {
       'Release': {
         'cflags_cc': [
-          '-Wno-cast-function-type',
-          '-Wno-deprecated-declarations'
+          '-Wno-cast-function-type'
         ],
-        'xcode_settings': {
-          'OTHER_CPLUSPLUSFLAGS': [
-            '-Wno-deprecated-declarations'
-          ]
-        },
         'msvs_settings': {
           'VCCLCompilerTool': {
             'ExceptionHandling': 1
           }
         },
         'msvs_disabled_warnings': [
-          4275,
-          4996
+          4275
         ]
       }
     },

docs/api-composite.md

@@ -20,22 +20,22 @@ and [https://www.cairographics.org/operators/][2]
 ### Parameters
 
 -   `images` **[Array][3]<[Object][4]>** Ordered list of images to composite
-    -   `images[].input` **([Buffer][5] \| [String][6])?** Buffer containing image data or String containing the path to an image file.
+    -   `images[].input` **([Buffer][5] \| [String][6])?** Buffer containing image data, String containing the path to an image file, or Create object (see bellow)
+        -   `images[].input.create` **[Object][4]?** describes a blank overlay to be created.
+            -   `images[].input.create.width` **[Number][7]?** 
+            -   `images[].input.create.height` **[Number][7]?** 
+            -   `images[].input.create.channels` **[Number][7]?** 3-4
+            -   `images[].input.create.background` **([String][6] \| [Object][4])?** parsed by the [color][8] module to extract values for red, green, blue and alpha.
     -   `images[].blend` **[String][6]** how to blend this image with the image below. (optional, default `'over'`)
     -   `images[].gravity` **[String][6]** gravity at which to place the overlay. (optional, default `'centre'`)
     -   `images[].top` **[Number][7]?** the pixel offset from the top edge.
     -   `images[].left` **[Number][7]?** the pixel offset from the left edge.
-    -   `images[].tile` **[Boolean][8]** set to true to repeat the overlay image across the entire image with the given `gravity`. (optional, default `false`)
+    -   `images[].tile` **[Boolean][9]** set to true to repeat the overlay image across the entire image with the given `gravity`. (optional, default `false`)
     -   `images[].density` **[Number][7]** number representing the DPI for vector overlay image. (optional, default `72`)
     -   `images[].raw` **[Object][4]?** describes overlay when using raw pixel data.
         -   `images[].raw.width` **[Number][7]?** 
         -   `images[].raw.height` **[Number][7]?** 
         -   `images[].raw.channels` **[Number][7]?** 
-    -   `images[].create` **[Object][4]?** describes a blank overlay to be created.
-        -   `images[].create.width` **[Number][7]?** 
-        -   `images[].create.height` **[Number][7]?** 
-        -   `images[].create.channels` **[Number][7]?** 3-4
-        -   `images[].create.background` **([String][6] \| [Object][4])?** parsed by the [color][9] module to extract values for red, green, blue and alpha.
 
 ### Examples
 
@@ -74,8 +74,8 @@ Returns **Sharp**
 
 [7]: https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Number
 
-[8]: https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Boolean
+[8]: https://www.npmjs.org/package/color
 
-[9]: https://www.npmjs.org/package/color
+[9]: https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Boolean
 
 [10]: https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Error

docs/api-input.md

@@ -34,8 +34,9 @@ A `Promise` is returned when `callback` is not provided.
 -   `density`: Number of pixels per inch (DPI), if present
 -   `chromaSubsampling`: String containing JPEG chroma subsampling, `4:2:0` or `4:4:4` for RGB, `4:2:0:4` or `4:4:4:4` for CMYK
 -   `isProgressive`: Boolean indicating whether the image is interlaced using a progressive scan
--   `pages`: Number of pages/frames contained within the image, with support for TIFF, PDF, animated GIF and animated WebP
+-   `pages`: Number of pages/frames contained within the image, with support for TIFF, HEIF, PDF, animated GIF and animated WebP
 -   `pageHeight`: Number of pixels high each page in this PDF image will be.
+-   `pagePrimary`: Number of the primary page in a HEIF image
 -   `hasProfile`: Boolean indicating the presence of an embedded ICC profile
 -   `hasAlpha`: Boolean indicating the presence of an alpha transparency channel
 -   `orientation`: Number value of the EXIF Orientation header, if present

docs/api-operation.md

@@ -287,6 +287,41 @@ sharp(input)
 
 Returns **Sharp** 
 
+## modulate
+
+Transforms the image using brightness, saturation and hue rotation.
+
+### Parameters
+
+-   `options` **[Object][2]?** 
+    -   `options.brightness` **[Number][1]?** Brightness multiplier
+    -   `options.saturation` **[Number][1]?** Saturation multiplier
+    -   `options.hue` **[Number][1]?** Degrees for hue rotation
+
+### Examples
+
+```javascript
+sharp(input)
+  .modulate({
+    brightness: 2 // increase lightness by a factor of 2
+  });
+
+sharp(input)
+  .modulate({
+    hue: 180 // hue-rotate by 180 degrees
+  });
+
+// decreate brightness and saturation while also hue-rotating by 90 degrees
+sharp(input)
+  .modulate({
+    brightness: 0.5,
+    saturation: 0.5,
+    hue: 90
+  });
+```
+
+Returns **Sharp** 
+
 [1]: https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Number
 
 [2]: https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Object

docs/api-output.md

@@ -89,8 +89,8 @@ This will also convert to and add a web-friendly sRGB ICC profile.
 
 ### Parameters
 
--   `withMetadata` **[Object][5]?** 
-    -   `withMetadata.orientation` **[Number][8]?** value between 1 and 8, used to update the EXIF `Orientation` tag.
+-   `options` **[Object][5]?** 
+    -   `options.orientation` **[Number][8]?** value between 1 and 8, used to update the EXIF `Orientation` tag.
 
 ### Examples
 
@@ -115,13 +115,13 @@ Use these JPEG options for output image.
     -   `options.quality` **[Number][8]** quality, integer 1-100 (optional, default `80`)
     -   `options.progressive` **[Boolean][6]** use progressive (interlace) scan (optional, default `false`)
     -   `options.chromaSubsampling` **[String][1]** set to '4:4:4' to prevent chroma subsampling when quality <= 90 (optional, default `'4:2:0'`)
-    -   `options.trellisQuantisation` **[Boolean][6]** apply trellis quantisation, requires mozjpeg (optional, default `false`)
-    -   `options.overshootDeringing` **[Boolean][6]** apply overshoot deringing, requires mozjpeg (optional, default `false`)
-    -   `options.optimiseScans` **[Boolean][6]** optimise progressive scans, forces progressive, requires mozjpeg (optional, default `false`)
+    -   `options.trellisQuantisation` **[Boolean][6]** apply trellis quantisation, requires libvips compiled with support for mozjpeg (optional, default `false`)
+    -   `options.overshootDeringing` **[Boolean][6]** apply overshoot deringing, requires libvips compiled with support for mozjpeg (optional, default `false`)
+    -   `options.optimiseScans` **[Boolean][6]** optimise progressive scans, forces progressive, requires libvips compiled with support for mozjpeg (optional, default `false`)
     -   `options.optimizeScans` **[Boolean][6]** alternative spelling of optimiseScans (optional, default `false`)
     -   `options.optimiseCoding` **[Boolean][6]** optimise Huffman coding tables (optional, default `true`)
     -   `options.optimizeCoding` **[Boolean][6]** alternative spelling of optimiseCoding (optional, default `true`)
-    -   `options.quantisationTable` **[Number][8]** quantization table to use, integer 0-8, requires mozjpeg (optional, default `0`)
+    -   `options.quantisationTable` **[Number][8]** quantization table to use, integer 0-8, requires libvips compiled with support for mozjpeg (optional, default `0`)
     -   `options.quantizationTable` **[Number][8]** alternative spelling of quantisationTable (optional, default `0`)
     -   `options.force` **[Boolean][6]** force JPEG output, otherwise attempt to use input format (optional, default `true`)
 
@@ -154,11 +154,11 @@ Indexed PNG input at 1, 2 or 4 bits per pixel is converted to 8 bits per pixel.
     -   `options.progressive` **[Boolean][6]** use progressive (interlace) scan (optional, default `false`)
     -   `options.compressionLevel` **[Number][8]** zlib compression level, 0-9 (optional, default `9`)
     -   `options.adaptiveFiltering` **[Boolean][6]** use adaptive row filtering (optional, default `false`)
-    -   `options.palette` **[Boolean][6]** quantise to a palette-based image with alpha transparency support, requires libimagequant (optional, default `false`)
-    -   `options.quality` **[Number][8]** use the lowest number of colours needed to achieve given quality, requires libimagequant (optional, default `100`)
-    -   `options.colours` **[Number][8]** maximum number of palette entries, requires libimagequant (optional, default `256`)
-    -   `options.colors` **[Number][8]** alternative spelling of `options.colours`, requires libimagequant (optional, default `256`)
-    -   `options.dither` **[Number][8]** level of Floyd-Steinberg error diffusion, requires libimagequant (optional, default `1.0`)
+    -   `options.palette` **[Boolean][6]** quantise to a palette-based image with alpha transparency support, requires libvips compiled with support for libimagequant (optional, default `false`)
+    -   `options.quality` **[Number][8]** use the lowest number of colours needed to achieve given quality, requires libvips compiled with support for libimagequant (optional, default `100`)
+    -   `options.colours` **[Number][8]** maximum number of palette entries, requires libvips compiled with support for libimagequant (optional, default `256`)
+    -   `options.colors` **[Number][8]** alternative spelling of `options.colours`, requires libvips compiled with support for libimagequant (optional, default `256`)
+    -   `options.dither` **[Number][8]** level of Floyd-Steinberg error diffusion, requires libvips compiled with support for libimagequant (optional, default `1.0`)
     -   `options.force` **[Boolean][6]** force PNG output, otherwise attempt to use input format (optional, default `true`)
 
 ### Examples
@@ -185,6 +185,8 @@ Use these WebP options for output image.
     -   `options.alphaQuality` **[Number][8]** quality of alpha layer, integer 0-100 (optional, default `100`)
     -   `options.lossless` **[Boolean][6]** use lossless compression mode (optional, default `false`)
     -   `options.nearLossless` **[Boolean][6]** use near_lossless compression mode (optional, default `false`)
+    -   `options.smartSubsample` **[Boolean][6]** use high quality chroma subsampling (optional, default `false`)
+    -   `options.reductionEffort` **[Number][8]** level of CPU effort to reduce file size, integer 0-6 (optional, default `4`)
     -   `options.force` **[Boolean][6]** force WebP output, otherwise attempt to use input format (optional, default `true`)
 
 ### Examples
@@ -232,6 +234,29 @@ sharp('input.svg')
   .then(info => { ... });
 ```
 
+-   Throws **[Error][3]** Invalid options
+
+Returns **Sharp** 
+
+## heif
+
+Use these HEIF options for output image.
+
+Support for HEIF (HEIC/AVIF) is experimental.
+Do not use this in production systems.
+
+Requires a custom, globally-installed libvips compiled with support for libheif.
+
+Most versions of libheif support only the patent-encumbered HEVC compression format.
+
+### Parameters
+
+-   `options` **[Object][5]?** output options
+    -   `options.quality` **[Number][8]** quality, integer 1-100 (optional, default `80`)
+    -   `options.compression` **[Boolean][6]** compression format: hevc, avc, jpeg, av1 (optional, default `'hevc'`)
+    -   `options.lossless` **[Boolean][6]** use lossless compression (optional, default `false`)
+
+
 -   Throws **[Error][3]** Invalid options
 
 Returns **Sharp** 
@@ -283,13 +308,14 @@ Warning: multiple sharp instances concurrently producing tile output can expose
 
 ### Parameters
 
--   `tile` **[Object][5]?** 
-    -   `tile.size` **[Number][8]** tile size in pixels, a value between 1 and 8192. (optional, default `256`)
-    -   `tile.overlap` **[Number][8]** tile overlap in pixels, a value between 0 and 8192. (optional, default `0`)
-    -   `tile.angle` **[Number][8]** tile angle of rotation, must be a multiple of 90. (optional, default `0`)
-    -   `tile.depth` **[String][1]?** how deep to make the pyramid, possible values are `onepixel`, `onetile` or `one`, default based on layout.
-    -   `tile.container` **[String][1]** tile container, with value `fs` (filesystem) or `zip` (compressed file). (optional, default `'fs'`)
-    -   `tile.layout` **[String][1]** filesystem layout, possible values are `dz`, `zoomify` or `google`. (optional, default `'dz'`)
+-   `options` **[Object][5]?** 
+    -   `options.size` **[Number][8]** tile size in pixels, a value between 1 and 8192. (optional, default `256`)
+    -   `options.overlap` **[Number][8]** tile overlap in pixels, a value between 0 and 8192. (optional, default `0`)
+    -   `options.angle` **[Number][8]** tile angle of rotation, must be a multiple of 90. (optional, default `0`)
+    -   `options.depth` **[String][1]?** how deep to make the pyramid, possible values are `onepixel`, `onetile` or `one`, default based on layout.
+    -   `options.skipBlanks` **[Number][8]** threshold to skip tile generation, a value 0 - 255 for 8-bit images or 0 - 65535 for 16-bit images (optional, default `-1`)
+    -   `options.container` **[String][1]** tile container, with value `fs` (filesystem) or `zip` (compressed file). (optional, default `'fs'`)
+    -   `options.layout` **[String][1]** filesystem layout, possible values are `dz`, `zoomify` or `google`. (optional, default `'dz'`)
 
 ### Examples
 

docs/api-resize.md

@@ -163,11 +163,11 @@ Extract a region of the image.
 
 ### Parameters
 
--   `options` **[Object][9]** 
+-   `options` **[Object][9]** describes the region to extract using integral pixel values
     -   `options.left` **[Number][8]** zero-indexed offset from left edge
     -   `options.top` **[Number][8]** zero-indexed offset from top edge
-    -   `options.width` **[Number][8]** dimension of extracted image
-    -   `options.height` **[Number][8]** dimension of extracted image
+    -   `options.width` **[Number][8]** width of region to extract
+    -   `options.height` **[Number][8]** height of region to extract
 
 ### Examples
 

docs/changelog.md

@@ -1,9 +1,56 @@
 # Changelog
 
+### v0.23 - "*vision*"
+
+Requires libvips v8.8.1.
+
+#### v0.23.0 - 29<sup>th</sup> July 2019
+
+* Remove `overlayWith` previously deprecated in v0.22.0.
+
+* Add experimental support for HEIF images. Requires libvips compiled with libheif.
+  [#1105](https://github.com/lovell/sharp/issues/1105)
+
+* Expose libwebp `smartSubsample` and `reductionEffort` options.
+  [#1545](https://github.com/lovell/sharp/issues/1545)
+
+* Add experimental support for Worker Threads.
+  [#1558](https://github.com/lovell/sharp/issues/1558)
+
+* Use libvips' built-in CMYK and sRGB profiles when required.
+  [#1619](https://github.com/lovell/sharp/issues/1619)
+
+* Drop support for Node.js versions 6 and 11.
+  [#1674](https://github.com/lovell/sharp/issues/1674)
+
+* Expose `skipBlanks` option for tile-based output.
+  [#1687](https://github.com/lovell/sharp/pull/1687)
+  [@RaboliotTheGrey](https://github.com/RaboliotTheGrey)
+
+* Allow use of `failOnError` option with Stream-based input.
+  [#1691](https://github.com/lovell/sharp/issues/1691)
+
+* Fix rotate/extract ordering for non-90 angles.
+  [#1755](https://github.com/lovell/sharp/pull/1755)
+  [@iovdin](https://github.com/iovdin)
+
 ### v0.22 - "*uptake*"
 
 Requires libvips v8.7.4.
 
+#### v0.22.1 - 25<sup>th</sup> April 2019
+
+* Add `modulate` operation for brightness, saturation and hue.
+  [#1601](https://github.com/lovell/sharp/pull/1601)
+  [@Goues](https://github.com/Goues)
+
+* Improve help messaging should `require("sharp")` fail.
+  [#1638](https://github.com/lovell/sharp/pull/1638)
+  [@sidharthachatterjee](https://github.com/sidharthachatterjee)
+
+* Add support for Node 12.
+  [#1668](https://github.com/lovell/sharp/issues/1668)
+
 #### v0.22.0 - 18<sup>th</sup> March 2019
 
 * Remove functions previously deprecated in v0.21.0:

docs/index.md

@@ -16,7 +16,7 @@ As well as image resizing, operations such as
 rotation, extraction, compositing and gamma correction are available.
 
 Most modern 64-bit OS X, Windows and Linux systems running
-Node versions 6, 8 and 10
+Node versions 8, 10 and 12
 do not require any additional install or runtime dependencies.
 
 [![Test Coverage](https://coveralls.io/repos/lovell/sharp/badge.png?branch=master)](https://coveralls.io/r/lovell/sharp?branch=master)
@@ -64,7 +64,7 @@ as [pngcrush](https://pmt.sourceforge.io/pngcrush/).
 
 ### Contributing
 
-A [guide for contributors](https://github.com/lovell/sharp/blob/master/CONTRIBUTING.md)
+A [guide for contributors](https://github.com/lovell/sharp/blob/master/.github/CONTRIBUTING.md)
 covers reporting bugs, requesting features and submitting code changes.
 
 ### Credits
@@ -124,6 +124,8 @@ the help and code contributions of the following people:
 * [Julian Aubourg](https://github.com/jaubourg)
 * [Keith Belovay](https://github.com/fromkeith)
 * [Michael B. Klein](https://github.com/mbklein)
+* [Jakub Michálek](https://github.com/Goues)
+* [Ilya Ovdin](https://github.com/iovdin)
 
 Thank you!
 

docs/install.md

@@ -10,12 +10,12 @@ yarn add sharp
 
 ## Prerequisites
 
-* Node v4.5.0+
+* Node.js v8.5.0+
 
 ### Building from source
 
 Pre-compiled binaries for sharp are provided for use with
-Node versions 6, 8, 10 and 11 on
+Node versions 8, 10 and 12 on
 64-bit Windows, OS X and Linux platforms.
 
 Sharp will be built from source at install time when:
@@ -36,15 +36,16 @@ Building from source requires:
 [![Ubuntu 16.04 Build Status](https://travis-ci.org/lovell/sharp.png?branch=master)](https://travis-ci.org/lovell/sharp)
 
 libvips and its dependencies are fetched and stored within `node_modules/sharp/vendor` during `npm install`.
-This involves an automated HTTPS download of approximately 9MB.
+This involves an automated HTTPS download of approximately 10MB.
 
 Most Linux-based (glibc, musl) operating systems running on x64 and ARMv6+ CPUs should "just work", e.g.:
 
-* Debian 7+
+* Debian 8+
 * Ubuntu 14.04+
-* Centos 7+
-* Alpine 3.8+ (Node 8 and 10)
-* Fedora
+* Red Hat Enterprise 7+
+* CentOS 7+
+* Alpine 3.10+
+* Fedora 21+
 * openSUSE 13.2+
 * Archlinux
 * Raspbian Jessie
@@ -61,7 +62,8 @@ and `LD_LIBRARY_PATH` at runtime.
 
 This allows the use of newer versions of libvips with older versions of sharp.
 
-For 32-bit Intel CPUs and older Linux-based operating systems such as Centos 6,
+For 32-bit Intel CPUs and older Linux-based operating systems such as
+those based on Red Hat Enterprise 6 (e.g. CentOS 6)
 compiling libvips from source is recommended.
 
 [https://libvips.github.io/libvips/install.html#building-libvips-from-a-source-tarball](https://libvips.github.io/libvips/install.html#building-libvips-from-a-source-tarball)
@@ -69,11 +71,11 @@ compiling libvips from source is recommended.
 #### Alpine Linux
 
 libvips is available in the
-[testing repository](https://pkgs.alpinelinux.org/packages?name=vips-dev):
+[community repository](https://pkgs.alpinelinux.org/packages?name=vips-dev):
 
 ```sh
 apk add vips-dev fftw-dev build-base --update-cache \
-    --repository https://alpine.global.ssl.fastly.net/alpine/edge/testing/ \
+    --repository https://alpine.global.ssl.fastly.net/alpine/edge/community/ \
     --repository https://alpine.global.ssl.fastly.net/alpine/edge/main
 ```
 
@@ -97,7 +99,7 @@ that it can be located using `pkg-config --modversion vips-cpp`.
 [![Windows x64 Build Status](https://ci.appveyor.com/api/projects/status/pgtul704nkhhg6sg)](https://ci.appveyor.com/project/lovell/sharp)
 
 libvips and its dependencies are fetched and stored within `node_modules\sharp\vendor` during `npm install`.
-This involves an automated HTTPS download of approximately 14MB.
+This involves an automated HTTPS download of approximately 10MB.
 If you are having issues during installation consider removing the directory
 `C:\Users\[user]\AppData\Roaming\npm-cache\_libvips`.
 
@@ -150,7 +152,7 @@ docker pull tailor/docker-libvips
 
 ### AWS Lambda
 
-Set the Lambda runtime to Node.js 8.10.
+Set the Lambda runtime to `nodejs10.x`.
 
 The binaries in the `node_modules` directory of the
 [deployment package](https://docs.aws.amazon.com/lambda/latest/dg/nodejs-create-deployment-pkg.html)
@@ -160,14 +162,14 @@ On non-Linux machines such as OS X and Windows run the following:
 
 ```sh
 rm -rf node_modules/sharp
-npm install --arch=x64 --platform=linux --target=8.10.0 sharp
+npm install --arch=x64 --platform=linux --target=10.15.0 sharp
 ```
 
 Alternatively a Docker container closely matching the Lambda runtime can be used:
 
 ```sh
 rm -rf node_modules/sharp
-docker run -v "$PWD":/var/task lambci/lambda:build-nodejs8.10 npm install sharp
+docker run -v "$PWD":/var/task lambci/lambda:build-nodejs10.x npm install sharp
 ```
 
 To get the best performance select the largest memory available.

install/dll-copy.js

@@ -3,7 +3,6 @@
 const fs = require('fs');
 const path = require('path');
 
-const copyFileSync = require('fs-copy-file-sync');
 const libvips = require('../lib/libvips');
 const npmLog = require('npmlog');
 
@@ -24,7 +23,7 @@ if (process.platform === 'win32') {
         return /\.dll$/.test(filename);
       })
       .forEach(function (filename) {
-        copyFileSync(
+        fs.copyFileSync(
           path.join(vendorLibDir, filename),
           path.join(buildReleaseDir, filename)
         );

install/libvips.js

@@ -9,7 +9,6 @@ const npmLog = require('npmlog');
 const semver = require('semver');
 const simpleGet = require('simple-get');
 const tar = require('tar');
-const copyFileSync = require('fs-copy-file-sync');
 
 const agent = require('../lib/agent');
 const libvips = require('../lib/libvips');
@@ -64,7 +63,7 @@ try {
     if (platformAndArch === 'freebsd-x64' || platformAndArch === 'openbsd-x64' || platformAndArch === 'sunos-x64') {
       throw new Error(`BSD/SunOS systems require manual installation of libvips >= ${minimumLibvipsVersion}`);
     }
-    if (detectLibc.family === detectLibc.GLIBC && detectLibc.version && semver.lt(`${detectLibc.version}.0`, '2.13.0')) {
+    if (detectLibc.family === detectLibc.GLIBC && detectLibc.version && semver.lt(`${detectLibc.version}.0`, '2.17.0')) {
       throw new Error(`Use with glibc version ${detectLibc.version} requires manual installation of libvips >= ${minimumLibvipsVersion}`);
     }
     // Download to per-process temporary file
@@ -97,7 +96,7 @@ try {
             fs.renameSync(tarPathTemp, tarPathCache);
           } catch (err) {
             // Fall back to copy and unlink
-            copyFileSync(tarPathTemp, tarPathCache);
+            fs.copyFileSync(tarPathTemp, tarPathCache);
             fs.unlinkSync(tarPathTemp);
           }
           extractTarball(tarPathCache);

lib/channel.js

@@ -72,7 +72,7 @@ function extractChannel (channel) {
   if (is.integer(channel) && is.inRange(channel, 0, 4)) {
     this.options.extractChannel = channel;
   } else {
-    throw new Error('Cannot extract invalid channel ' + channel);
+    throw is.invalidParameterError('channel', 'integer or one of: red, green, blue', channel);
   }
   return this;
 }
@@ -124,7 +124,7 @@ function bandbool (boolOp) {
   if (is.string(boolOp) && is.inArray(boolOp, ['and', 'or', 'eor'])) {
     this.options.bandBoolOp = boolOp;
   } else {
-    throw new Error('Invalid bandbool operation ' + boolOp);
+    throw is.invalidParameterError('boolOp', 'one of: and, or, eor', boolOp);
   }
   return this;
 }

lib/colour.js

@@ -63,7 +63,7 @@ function grayscale (grayscale) {
  */
 function toColourspace (colourspace) {
   if (!is.string(colourspace)) {
-    throw new Error('Invalid output colourspace ' + colourspace);
+    throw is.invalidParameterError('colourspace', 'string', colourspace);
   }
   this.options.colourspace = colourspace;
   return this;

lib/composite.js

@@ -1,7 +1,5 @@
 'use strict';
 
-const deprecate = require('util').deprecate;
-
 const is = require('./is');
 
 /**
@@ -72,7 +70,12 @@ const blend = {
  *   });
  *
  * @param {Object[]} images - Ordered list of images to composite
- * @param {Buffer|String} [images[].input] - Buffer containing image data or String containing the path to an image file.
+ * @param {Buffer|String} [images[].input] - Buffer containing image data, String containing the path to an image file, or Create object (see bellow)
+ * @param {Object} [images[].input.create] - describes a blank overlay to be created.
+ * @param {Number} [images[].input.create.width]
+ * @param {Number} [images[].input.create.height]
+ * @param {Number} [images[].input.create.channels] - 3-4
+ * @param {String|Object} [images[].input.create.background] - parsed by the [color](https://www.npmjs.org/package/color) module to extract values for red, green, blue and alpha.
  * @param {String} [images[].blend='over'] - how to blend this image with the image below.
  * @param {String} [images[].gravity='centre'] - gravity at which to place the overlay.
  * @param {Number} [images[].top] - the pixel offset from the top edge.
@@ -83,11 +86,6 @@ const blend = {
  * @param {Number} [images[].raw.width]
  * @param {Number} [images[].raw.height]
  * @param {Number} [images[].raw.channels]
- * @param {Object} [images[].create] - describes a blank overlay to be created.
- * @param {Number} [images[].create.width]
- * @param {Number} [images[].create.height]
- * @param {Number} [images[].create.channels] - 3-4
- * @param {String|Object} [images[].create.background] - parsed by the [color](https://www.npmjs.org/package/color) module to extract values for red, green, blue and alpha.
  * @returns {Sharp}
  * @throws {Error} Invalid parameters
  */
@@ -154,21 +152,11 @@ function composite (images) {
   return this;
 }
 
-/**
- * @deprecated
- * @private
- */
-function overlayWith (input, options) {
-  const blend = (is.object(options) && options.cutout) ? 'dest-in' : 'over';
-  return this.composite([Object.assign({ input, blend }, options)]);
-}
-
 /**
  * Decorate the Sharp prototype with composite-related functions.
  * @private
  */
 module.exports = function (Sharp) {
   Sharp.prototype.composite = composite;
-  Sharp.prototype.overlayWith = deprecate(overlayWith, 'overlayWith(input, options) is deprecated, use composite([{ input, ...options }]) instead');
   Sharp.blend = blend;
 };

lib/constructor.js

@@ -1,13 +1,33 @@
 'use strict';
 
-const path = require('path');
 const util = require('util');
 const stream = require('stream');
 const events = require('events');
 const is = require('./is');
 
 require('./libvips').hasVendoredLibvips();
-const sharp = require('bindings')('sharp.node');
+
+let sharp;
+/* istanbul ignore next */
+try {
+  sharp = require('../build/Release/sharp.node');
+} catch (err) {
+  // Bail early if bindings aren't available
+  const help = ['', 'Something went wrong installing the "sharp" module', '', err.message, ''];
+  if (/NODE_MODULE_VERSION/.test(err.message)) {
+    help.push('- Ensure the version of Node.js used at install time matches that used at runtime');
+  } else if (/invalid ELF header/.test(err.message)) {
+    help.push(`- Ensure "${process.platform}" is used at install time as well as runtime`);
+  } else {
+    help.push('- Remove the "node_modules/sharp" directory, run "npm install" and look for errors');
+  }
+  help.push(
+    '- Consult the installation documentation at https://sharp.pixelplumbing.com/en/stable/install/',
+    '- Search for this error at https://github.com/lovell/sharp/issues', ''
+  );
+  console.error(help.join('\n'));
+  process.exit(1);
+}
 
 // Use NODE_DEBUG=sharp to enable libvips warnings
 const debuglog = util.debuglog('sharp');
@@ -90,8 +110,6 @@ const Sharp = function (input, options) {
     // input options
     sequentialRead: false,
     limitInputPixels: Math.pow(0x3FFF, 2),
-    // ICC profiles
-    iccProfilePath: path.join(__dirname, 'icc') + path.sep,
     // resize options
     topOffsetPre: -1,
     leftOffsetPre: -1,
@@ -139,6 +157,9 @@ const Sharp = function (input, options) {
     gammaOut: 0,
     greyscale: false,
     normalise: 0,
+    brightness: 1,
+    saturation: 1,
+    hue: 0,
     booleanBufferIn: null,
     booleanFileIn: '',
     joinChannelIn: [],
@@ -174,6 +195,8 @@ const Sharp = function (input, options) {
     webpAlphaQuality: 100,
     webpLossless: false,
     webpNearLossless: false,
+    webpSmartSubsample: false,
+    webpReductionEffort: 4,
     tiffQuality: 80,
     tiffCompression: 'jpeg',
     tiffPredictor: 'horizontal',
@@ -184,8 +207,12 @@ const Sharp = function (input, options) {
     tiffTileWidth: 256,
     tiffXres: 1.0,
     tiffYres: 1.0,
+    heifQuality: 80,
+    heifLossless: false,
+    heifCompression: 'hevc',
     tileSize: 256,
     tileOverlap: 0,
+    tileSkipBlanks: -1,
     linearA: 1,
     linearB: 0,
     // Function to notify of libvips warnings

lib/input.js

@@ -19,7 +19,7 @@ function _createInputDescriptor (input, inputOptions, containerOptions) {
   } else if (is.plainObject(input) && !is.defined(inputOptions)) {
     // Plain Object descriptor, e.g. create
     inputOptions = input;
-    if (is.plainObject(inputOptions.raw)) {
+    if (is.plainObject(inputOptions.raw) || is.bool(inputOptions.failOnError)) {
       // Raw Stream
       inputDescriptor.buffer = [];
     }
@@ -35,7 +35,7 @@ function _createInputDescriptor (input, inputOptions, containerOptions) {
       if (is.bool(inputOptions.failOnError)) {
         inputDescriptor.failOnError = inputOptions.failOnError;
       } else {
-        throw new Error('Invalid failOnError (boolean) ' + inputOptions.failOnError);
+        throw is.invalidParameterError('failOnError', 'boolean', inputOptions.failOnError);
       }
     }
     // Density
@@ -43,7 +43,7 @@ function _createInputDescriptor (input, inputOptions, containerOptions) {
       if (is.inRange(inputOptions.density, 1, 2400)) {
         inputDescriptor.density = inputOptions.density;
       } else {
-        throw new Error('Invalid density (1 to 2400) ' + inputOptions.density);
+        throw is.invalidParameterError('density', 'number between 1 and 2400', inputOptions.density);
       }
     }
     // Raw pixel input
@@ -115,9 +115,8 @@ function _write (chunk, encoding, callback) {
     /* istanbul ignore else */
     if (is.buffer(chunk)) {
       if (this.options.input.buffer.length === 0) {
-        const that = this;
-        this.on('finish', function () {
-          that.streamInFinished = true;
+        this.on('finish', () => {
+          this.streamInFinished = true;
         });
       }
       this.options.input.buffer.push(chunk);
@@ -165,16 +164,15 @@ function _isStreamInput () {
  * @returns {Sharp}
  */
 function clone () {
-  const that = this;
   // Clone existing options
   const clone = this.constructor.call();
   clone.options = Object.assign({}, this.options);
   // Pass 'finish' event to clone for Stream-based input
   if (this._isStreamInput()) {
-    this.on('finish', function () {
+    this.on('finish', () => {
       // Clone inherits input data
-      that._flattenBufferIn();
-      clone.options.bufferIn = that.options.bufferIn;
+      this._flattenBufferIn();
+      clone.options.bufferIn = this.options.bufferIn;
       clone.emit('finish');
     });
   }
@@ -195,8 +193,9 @@ function clone () {
  * - `density`: Number of pixels per inch (DPI), if present
  * - `chromaSubsampling`: String containing JPEG chroma subsampling, `4:2:0` or `4:4:4` for RGB, `4:2:0:4` or `4:4:4:4` for CMYK
  * - `isProgressive`: Boolean indicating whether the image is interlaced using a progressive scan
- * - `pages`: Number of pages/frames contained within the image, with support for TIFF, PDF, animated GIF and animated WebP
+ * - `pages`: Number of pages/frames contained within the image, with support for TIFF, HEIF, PDF, animated GIF and animated WebP
  * - `pageHeight`: Number of pixels high each page in this PDF image will be.
+ * - `pagePrimary`: Number of the primary page in a HEIF image
  * - `hasProfile`: Boolean indicating the presence of an embedded ICC profile
  * - `hasAlpha`: Boolean indicating the presence of an alpha transparency channel
  * - `orientation`: Number value of the EXIF Orientation header, if present
@@ -223,12 +222,11 @@ function clone () {
  * @returns {Promise<Object>|Sharp}
  */
 function metadata (callback) {
-  const that = this;
   if (is.fn(callback)) {
     if (this._isStreamInput()) {
-      this.on('finish', function () {
-        that._flattenBufferIn();
-        sharp.metadata(that.options, callback);
+      this.on('finish', () => {
+        this._flattenBufferIn();
+        sharp.metadata(this.options, callback);
       });
     } else {
       sharp.metadata(this.options, callback);
@@ -236,10 +234,10 @@ function metadata (callback) {
     return this;
   } else {
     if (this._isStreamInput()) {
-      return new Promise(function (resolve, reject) {
-        that.on('finish', function () {
-          that._flattenBufferIn();
-          sharp.metadata(that.options, function (err, metadata) {
+      return new Promise((resolve, reject) => {
+        this.on('finish', () => {
+          this._flattenBufferIn();
+          sharp.metadata(this.options, (err, metadata) => {
             if (err) {
               reject(err);
             } else {
@@ -249,8 +247,8 @@ function metadata (callback) {
         });
       });
     } else {
-      return new Promise(function (resolve, reject) {
-        sharp.metadata(that.options, function (err, metadata) {
+      return new Promise((resolve, reject) => {
+        sharp.metadata(this.options, (err, metadata) => {
           if (err) {
             reject(err);
           } else {
@@ -292,12 +290,11 @@ function metadata (callback) {
  * @returns {Promise<Object>}
  */
 function stats (callback) {
-  const that = this;
   if (is.fn(callback)) {
     if (this._isStreamInput()) {
-      this.on('finish', function () {
-        that._flattenBufferIn();
-        sharp.stats(that.options, callback);
+      this.on('finish', () => {
+        this._flattenBufferIn();
+        sharp.stats(this.options, callback);
       });
     } else {
       sharp.stats(this.options, callback);
@@ -305,10 +302,10 @@ function stats (callback) {
     return this;
   } else {
     if (this._isStreamInput()) {
-      return new Promise(function (resolve, reject) {
-        that.on('finish', function () {
-          that._flattenBufferIn();
-          sharp.stats(that.options, function (err, stats) {
+      return new Promise((resolve, reject) => {
+        this.on('finish', function () {
+          this._flattenBufferIn();
+          sharp.stats(this.options, (err, stats) => {
             if (err) {
               reject(err);
             } else {
@@ -318,8 +315,8 @@ function stats (callback) {
         });
       });
     } else {
-      return new Promise(function (resolve, reject) {
-        sharp.stats(that.options, function (err, stats) {
+      return new Promise((resolve, reject) => {
+        sharp.stats(this.options, (err, stats) => {
           if (err) {
             reject(err);
           } else {

lib/libvips.js

@@ -8,7 +8,8 @@ const semver = require('semver');
 const platform = require('./platform');
 
 const env = process.env;
-const minimumLibvipsVersion = env.npm_package_config_libvips || require('../package.json').config.libvips;
+const minimumLibvipsVersion = env.npm_package_config_libvips || /* istanbul ignore next */
+  require('../package.json').config.libvips;
 
 const spawnSyncOptions = {
   encoding: 'utf8',
@@ -19,6 +20,7 @@ const mkdirSync = function (dirPath) {
   try {
     fs.mkdirSync(dirPath);
   } catch (err) {
+    /* istanbul ignore if */
     if (err.code !== 'EEXIST') {
       throw err;
     }
@@ -26,7 +28,8 @@ const mkdirSync = function (dirPath) {
 };
 
 const cachePath = function () {
-  const npmCachePath = env.npm_config_cache || (env.APPDATA ? path.join(env.APPDATA, 'npm-cache') : path.join(os.homedir(), '.npm'));
+  const npmCachePath = env.npm_config_cache || /* istanbul ignore next */
+    (env.APPDATA ? path.join(env.APPDATA, 'npm-cache') : path.join(os.homedir(), '.npm'));
   mkdirSync(npmCachePath);
   const libvipsCachePath = path.join(npmCachePath, '_libvips');
   mkdirSync(libvipsCachePath);
@@ -51,17 +54,21 @@ const hasVendoredLibvips = function () {
     vendorVersionId = require(path.join(vendorPath, 'versions.json')).vips;
     vendorPlatformId = require(path.join(vendorPath, 'platform.json'));
   } catch (err) {}
+  /* istanbul ignore if */
   if (vendorVersionId && vendorVersionId !== minimumLibvipsVersion) {
     throw new Error(`Found vendored libvips v${vendorVersionId} but require v${minimumLibvipsVersion}. Please remove the 'node_modules/sharp/vendor' directory and run 'npm install'.`);
   }
+  /* istanbul ignore else */
   if (vendorPlatformId) {
+    /* istanbul ignore else */
     if (currentPlatformId === vendorPlatformId) {
       return true;
     } else {
       throw new Error(`'${vendorPlatformId}' binaries cannot be used on the '${currentPlatformId}' platform. Please remove the 'node_modules/sharp/vendor' directory and run 'npm install'.`);
     }
+  } else {
+    return false;
   }
-  return false;
 };
 
 const pkgConfigPath = function () {
@@ -81,7 +88,8 @@ const useGlobalLibvips = function () {
   }
 
   const globalVipsVersion = globalLibvipsVersion();
-  return !!globalVipsVersion && semver.gte(globalVipsVersion, minimumLibvipsVersion);
+  return !!globalVipsVersion && /* istanbul ignore next */
+    semver.gte(globalVipsVersion, minimumLibvipsVersion);
 };
 
 module.exports = {

lib/operation.js

@@ -55,7 +55,7 @@ function rotate (angle, options) {
       ];
     }
   } else {
-    throw new Error('Unsupported angle: must be a number.');
+    throw is.invalidParameterError('angle', 'numeric', angle);
   }
   return this;
 }
@@ -109,7 +109,7 @@ function sharpen (sigma, flat, jagged) {
       if (is.number(flat) && is.inRange(flat, 0, 10000)) {
         this.options.sharpenFlat = flat;
       } else {
-        throw new Error('Invalid sharpen level for flat areas (0.0 - 10000.0) ' + flat);
+        throw is.invalidParameterError('flat', 'number between 0 and 10000', flat);
       }
     }
     // Control over jagged areas
@@ -117,11 +117,11 @@ function sharpen (sigma, flat, jagged) {
       if (is.number(jagged) && is.inRange(jagged, 0, 10000)) {
         this.options.sharpenJagged = jagged;
       } else {
-        throw new Error('Invalid sharpen level for jagged areas (0.0 - 10000.0) ' + jagged);
+        throw is.invalidParameterError('jagged', 'number between 0 and 10000', jagged);
       }
     }
   } else {
-    throw new Error('Invalid sharpen sigma (0.01 - 10000) ' + sigma);
+    throw is.invalidParameterError('sigma', 'number between 0.01 and 10000', sigma);
   }
   return this;
 }
@@ -141,7 +141,7 @@ function median (size) {
     // Numeric argument: specific sigma
     this.options.medianSize = size;
   } else {
-    throw new Error('Invalid median size ' + size);
+    throw is.invalidParameterError('size', 'integer between 1 and 1000', size);
   }
   return this;
 }
@@ -165,7 +165,7 @@ function blur (sigma) {
     // Numeric argument: specific sigma
     this.options.blurSigma = sigma;
   } else {
-    throw new Error('Invalid blur sigma (0.3 - 1000.0) ' + sigma);
+    throw is.invalidParameterError('sigma', 'number between 0.3 and 1000', sigma);
   }
   return this;
 }
@@ -205,7 +205,7 @@ function gamma (gamma, gammaOut) {
   } else if (is.number(gamma) && is.inRange(gamma, 1, 3)) {
     this.options.gamma = gamma;
   } else {
-    throw new Error('Invalid gamma correction (1.0 to 3.0) ' + gamma);
+    throw is.invalidParameterError('gamma', 'number between 1.0 and 3.0', gamma);
   }
   if (!is.defined(gammaOut)) {
     // Default gamma correction for output is same as input
@@ -213,7 +213,7 @@ function gamma (gamma, gammaOut) {
   } else if (is.number(gammaOut) && is.inRange(gammaOut, 1, 3)) {
     this.options.gammaOut = gammaOut;
   } else {
-    throw new Error('Invalid output gamma correction (1.0 to 3.0) ' + gammaOut);
+    throw is.invalidParameterError('gammaOut', 'number between 1.0 and 3.0', gammaOut);
   }
   return this;
 }
@@ -315,7 +315,7 @@ function threshold (threshold, options) {
   } else if (is.integer(threshold) && is.inRange(threshold, 0, 255)) {
     this.options.threshold = threshold;
   } else {
-    throw new Error('Invalid threshold (0 to 255) ' + threshold);
+    throw is.invalidParameterError('threshold', 'integer between 0 and 255', threshold);
   }
   if (!is.object(options) || options.greyscale === true || options.grayscale === true) {
     this.options.thresholdGrayscale = true;
@@ -346,7 +346,7 @@ function boolean (operand, operator, options) {
   if (is.string(operator) && is.inArray(operator, ['and', 'or', 'eor'])) {
     this.options.booleanOp = operator;
   } else {
-    throw new Error('Invalid boolean operator ' + operator);
+    throw is.invalidParameterError('operator', 'one of: and, or, eor', operator);
   }
   return this;
 }
@@ -364,17 +364,15 @@ function linear (a, b) {
   } else if (is.number(a)) {
     this.options.linearA = a;
   } else {
-    throw new Error('Invalid linear transform multiplier ' + a);
+    throw is.invalidParameterError('a', 'numeric', a);
   }
-
   if (!is.defined(b)) {
     this.options.linearB = 0.0;
   } else if (is.number(b)) {
     this.options.linearB = b;
   } else {
-    throw new Error('Invalid linear transform offset ' + b);
+    throw is.invalidParameterError('b', 'numeric', b);
   }
-
   return this;
 }
 
@@ -405,7 +403,7 @@ function recomb (inputMatrix) {
       inputMatrix[2].length !== 3
   ) {
     // must pass in a kernel
-    throw new Error('Invalid Recomb Matrix');
+    throw new Error('Invalid recombination matrix');
   }
   this.options.recombMatrix = [
     inputMatrix[0][0], inputMatrix[0][1], inputMatrix[0][2],
@@ -415,6 +413,62 @@ function recomb (inputMatrix) {
   return this;
 }
 
+/**
+ * Transforms the image using brightness, saturation and hue rotation.
+ *
+ * @example
+ * sharp(input)
+ *   .modulate({
+ *     brightness: 2 // increase lightness by a factor of 2
+ *   });
+ *
+ * sharp(input)
+ *   .modulate({
+ *     hue: 180 // hue-rotate by 180 degrees
+ *   });
+ *
+ * // decreate brightness and saturation while also hue-rotating by 90 degrees
+ * sharp(input)
+ *   .modulate({
+ *     brightness: 0.5,
+ *     saturation: 0.5,
+ *     hue: 90
+ *   });
+ *
+ * @param {Object} [options]
+ * @param {Number} [options.brightness] Brightness multiplier
+ * @param {Number} [options.saturation] Saturation multiplier
+ * @param {Number} [options.hue] Degrees for hue rotation
+ * @returns {Sharp}
+ */
+function modulate (options) {
+  if (!is.plainObject(options)) {
+    throw is.invalidParameterError('options', 'plain object', options);
+  }
+  if ('brightness' in options) {
+    if (is.number(options.brightness) && options.brightness >= 0) {
+      this.options.brightness = options.brightness;
+    } else {
+      throw is.invalidParameterError('brightness', 'number above zero', options.brightness);
+    }
+  }
+  if ('saturation' in options) {
+    if (is.number(options.saturation) && options.saturation >= 0) {
+      this.options.saturation = options.saturation;
+    } else {
+      throw is.invalidParameterError('saturation', 'number above zero', options.saturation);
+    }
+  }
+  if ('hue' in options) {
+    if (is.integer(options.hue)) {
+      this.options.hue = options.hue % 360;
+    } else {
+      throw is.invalidParameterError('hue', 'number', options.hue);
+    }
+  }
+  return this;
+}
+
 /**
  * Decorate the Sharp prototype with operation-related functions.
  * @private
@@ -436,6 +490,7 @@ module.exports = function (Sharp) {
     threshold,
     boolean,
     linear,
-    recomb
+    recomb,
+    modulate
   });
 };

lib/output.js

@@ -91,9 +91,7 @@ function toFile (fileOut, callback) {
  */
 function toBuffer (options, callback) {
   if (is.object(options)) {
-    if (is.bool(options.resolveWithObject)) {
-      this.options.resolveWithObject = options.resolveWithObject;
-    }
+    this._setBooleanOption('resolveWithObject', options.resolveWithObject);
   }
   return this._pipeline(is.fn(options) ? options : callback);
 }
@@ -109,19 +107,19 @@ function toBuffer (options, callback) {
  *   .toFile('output-with-metadata.jpg')
  *   .then(info => { ... });
  *
- * @param {Object} [withMetadata]
- * @param {Number} [withMetadata.orientation] value between 1 and 8, used to update the EXIF `Orientation` tag.
+ * @param {Object} [options]
+ * @param {Number} [options.orientation] value between 1 and 8, used to update the EXIF `Orientation` tag.
  * @returns {Sharp}
  * @throws {Error} Invalid parameters
  */
-function withMetadata (withMetadata) {
-  this.options.withMetadata = is.bool(withMetadata) ? withMetadata : true;
-  if (is.object(withMetadata)) {
-    if (is.defined(withMetadata.orientation)) {
-      if (is.integer(withMetadata.orientation) && is.inRange(withMetadata.orientation, 1, 8)) {
-        this.options.withMetadataOrientation = withMetadata.orientation;
+function withMetadata (options) {
+  this.options.withMetadata = is.bool(options) ? options : true;
+  if (is.object(options)) {
+    if (is.defined(options.orientation)) {
+      if (is.integer(options.orientation) && is.inRange(options.orientation, 1, 8)) {
+        this.options.withMetadataOrientation = options.orientation;
       } else {
-        throw new Error('Invalid orientation (1 to 8) ' + withMetadata.orientation);
+        throw is.invalidParameterError('orientation', 'integer between 1 and 8', options.orientation);
       }
     }
   }
@@ -144,13 +142,13 @@ function withMetadata (withMetadata) {
  * @param {Number} [options.quality=80] - quality, integer 1-100
  * @param {Boolean} [options.progressive=false] - use progressive (interlace) scan
  * @param {String} [options.chromaSubsampling='4:2:0'] - set to '4:4:4' to prevent chroma subsampling when quality <= 90
- * @param {Boolean} [options.trellisQuantisation=false] - apply trellis quantisation, requires mozjpeg
- * @param {Boolean} [options.overshootDeringing=false] - apply overshoot deringing, requires mozjpeg
- * @param {Boolean} [options.optimiseScans=false] - optimise progressive scans, forces progressive, requires mozjpeg
+ * @param {Boolean} [options.trellisQuantisation=false] - apply trellis quantisation, requires libvips compiled with support for mozjpeg
+ * @param {Boolean} [options.overshootDeringing=false] - apply overshoot deringing, requires libvips compiled with support for mozjpeg
+ * @param {Boolean} [options.optimiseScans=false] - optimise progressive scans, forces progressive, requires libvips compiled with support for mozjpeg
  * @param {Boolean} [options.optimizeScans=false] - alternative spelling of optimiseScans
  * @param {Boolean} [options.optimiseCoding=true] - optimise Huffman coding tables
  * @param {Boolean} [options.optimizeCoding=true] - alternative spelling of optimiseCoding
- * @param {Number} [options.quantisationTable=0] - quantization table to use, integer 0-8, requires mozjpeg
+ * @param {Number} [options.quantisationTable=0] - quantization table to use, integer 0-8, requires libvips compiled with support for mozjpeg
  * @param {Number} [options.quantizationTable=0] - alternative spelling of quantisationTable
  * @param {Boolean} [options.force=true] - force JPEG output, otherwise attempt to use input format
  * @returns {Sharp}
@@ -162,7 +160,7 @@ function jpeg (options) {
       if (is.integer(options.quality) && is.inRange(options.quality, 1, 100)) {
         this.options.jpegQuality = options.quality;
       } else {
-        throw new Error('Invalid quality (integer, 1-100) ' + options.quality);
+        throw is.invalidParameterError('quality', 'integer between 1 and 100', options.quality);
       }
     }
     if (is.defined(options.progressive)) {
@@ -172,7 +170,7 @@ function jpeg (options) {
       if (is.string(options.chromaSubsampling) && is.inArray(options.chromaSubsampling, ['4:2:0', '4:4:4'])) {
         this.options.jpegChromaSubsampling = options.chromaSubsampling;
       } else {
-        throw new Error('Invalid chromaSubsampling (4:2:0, 4:4:4) ' + options.chromaSubsampling);
+        throw is.invalidParameterError('chromaSubsampling', 'one of: 4:2:0, 4:4:4', options.chromaSubsampling);
       }
     }
     const trellisQuantisation = is.bool(options.trellisQuantization) ? options.trellisQuantization : options.trellisQuantisation;
@@ -198,7 +196,7 @@ function jpeg (options) {
       if (is.integer(quantisationTable) && is.inRange(quantisationTable, 0, 8)) {
         this.options.jpegQuantisationTable = quantisationTable;
       } else {
-        throw new Error('Invalid quantisation table (integer, 0-8) ' + quantisationTable);
+        throw is.invalidParameterError('quantisationTable', 'integer between 0 and 8', quantisationTable);
       }
     }
   }
@@ -221,11 +219,11 @@ function jpeg (options) {
  * @param {Boolean} [options.progressive=false] - use progressive (interlace) scan
  * @param {Number} [options.compressionLevel=9] - zlib compression level, 0-9
  * @param {Boolean} [options.adaptiveFiltering=false] - use adaptive row filtering
- * @param {Boolean} [options.palette=false] - quantise to a palette-based image with alpha transparency support, requires libimagequant
- * @param {Number} [options.quality=100] - use the lowest number of colours needed to achieve given quality, requires libimagequant
- * @param {Number} [options.colours=256] - maximum number of palette entries, requires libimagequant
- * @param {Number} [options.colors=256] - alternative spelling of `options.colours`, requires libimagequant
- * @param {Number} [options.dither=1.0] - level of Floyd-Steinberg error diffusion, requires libimagequant
+ * @param {Boolean} [options.palette=false] - quantise to a palette-based image with alpha transparency support, requires libvips compiled with support for libimagequant
+ * @param {Number} [options.quality=100] - use the lowest number of colours needed to achieve given quality, requires libvips compiled with support for libimagequant
+ * @param {Number} [options.colours=256] - maximum number of palette entries, requires libvips compiled with support for libimagequant
+ * @param {Number} [options.colors=256] - alternative spelling of `options.colours`, requires libvips compiled with support for libimagequant
+ * @param {Number} [options.dither=1.0] - level of Floyd-Steinberg error diffusion, requires libvips compiled with support for libimagequant
  * @param {Boolean} [options.force=true] - force PNG output, otherwise attempt to use input format
  * @returns {Sharp}
  * @throws {Error} Invalid options
@@ -239,7 +237,7 @@ function png (options) {
       if (is.integer(options.compressionLevel) && is.inRange(options.compressionLevel, 0, 9)) {
         this.options.pngCompressionLevel = options.compressionLevel;
       } else {
-        throw new Error('Invalid compressionLevel (integer, 0-9) ' + options.compressionLevel);
+        throw is.invalidParameterError('compressionLevel', 'integer between 0 and 9', options.compressionLevel);
       }
     }
     if (is.defined(options.adaptiveFiltering)) {
@@ -290,6 +288,8 @@ function png (options) {
  * @param {Number} [options.alphaQuality=100] - quality of alpha layer, integer 0-100
  * @param {Boolean} [options.lossless=false] - use lossless compression mode
  * @param {Boolean} [options.nearLossless=false] - use near_lossless compression mode
+ * @param {Boolean} [options.smartSubsample=false] - use high quality chroma subsampling
+ * @param {Number} [options.reductionEffort=4] - level of CPU effort to reduce file size, integer 0-6
  * @param {Boolean} [options.force=true] - force WebP output, otherwise attempt to use input format
  * @returns {Sharp}
  * @throws {Error} Invalid options
@@ -299,14 +299,14 @@ function webp (options) {
     if (is.integer(options.quality) && is.inRange(options.quality, 1, 100)) {
       this.options.webpQuality = options.quality;
     } else {
-      throw new Error('Invalid quality (integer, 1-100) ' + options.quality);
+      throw is.invalidParameterError('quality', 'integer between 1 and 100', options.quality);
     }
   }
   if (is.object(options) && is.defined(options.alphaQuality)) {
     if (is.integer(options.alphaQuality) && is.inRange(options.alphaQuality, 0, 100)) {
       this.options.webpAlphaQuality = options.alphaQuality;
     } else {
-      throw new Error('Invalid webp alpha quality (integer, 0-100) ' + options.alphaQuality);
+      throw is.invalidParameterError('alphaQuality', 'integer between 0 and 100', options.alphaQuality);
     }
   }
   if (is.object(options) && is.defined(options.lossless)) {
@@ -315,6 +315,16 @@ function webp (options) {
   if (is.object(options) && is.defined(options.nearLossless)) {
     this._setBooleanOption('webpNearLossless', options.nearLossless);
   }
+  if (is.object(options) && is.defined(options.smartSubsample)) {
+    this._setBooleanOption('webpSmartSubsample', options.smartSubsample);
+  }
+  if (is.object(options) && is.defined(options.reductionEffort)) {
+    if (is.integer(options.reductionEffort) && is.inRange(options.reductionEffort, 0, 6)) {
+      this.options.webpReductionEffort = options.reductionEffort;
+    } else {
+      throw is.invalidParameterError('reductionEffort', 'integer between 0 and 6', options.reductionEffort);
+    }
+  }
   return this._updateFormatOut('webp', options);
 }
 
@@ -352,59 +362,47 @@ function tiff (options) {
       if (is.integer(options.quality) && is.inRange(options.quality, 1, 100)) {
         this.options.tiffQuality = options.quality;
       } else {
-        throw new Error('Invalid quality (integer, 1-100) ' + options.quality);
+        throw is.invalidParameterError('quality', 'integer between 1 and 100', options.quality);
       }
     }
     if (is.defined(options.squash)) {
-      if (is.bool(options.squash)) {
-        this.options.tiffSquash = options.squash;
-      } else {
-        throw new Error('Invalid Value for squash ' + options.squash + ' Only Boolean Values allowed for options.squash.');
-      }
+      this._setBooleanOption('tiffSquash', options.squash);
     }
     // tiling
     if (is.defined(options.tile)) {
-      if (is.bool(options.tile)) {
-        this.options.tiffTile = options.tile;
-      } else {
-        throw new Error('Invalid Value for tile ' + options.tile + ' Only Boolean values allowed for options.tile');
-      }
+      this._setBooleanOption('tiffTile', options.tile);
     }
     if (is.defined(options.tileWidth)) {
-      if (is.number(options.tileWidth) && options.tileWidth > 0) {
+      if (is.integer(options.tileWidth) && options.tileWidth > 0) {
         this.options.tiffTileWidth = options.tileWidth;
       } else {
-        throw new Error('Invalid Value for tileWidth ' + options.tileWidth + ' Only positive numeric values allowed for options.tileWidth');
+        throw is.invalidParameterError('tileWidth', 'integer greater than zero', options.tileWidth);
       }
     }
     if (is.defined(options.tileHeight)) {
-      if (is.number(options.tileHeight) && options.tileHeight > 0) {
+      if (is.integer(options.tileHeight) && options.tileHeight > 0) {
         this.options.tiffTileHeight = options.tileHeight;
       } else {
-        throw new Error('Invalid Value for tileHeight ' + options.tileHeight + ' Only positive numeric values allowed for options.tileHeight');
+        throw is.invalidParameterError('tileHeight', 'integer greater than zero', options.tileHeight);
       }
     }
     // pyramid
     if (is.defined(options.pyramid)) {
-      if (is.bool(options.pyramid)) {
-        this.options.tiffPyramid = options.pyramid;
-      } else {
-        throw new Error('Invalid Value for pyramid ' + options.pyramid + ' Only Boolean values allowed for options.pyramid');
-      }
+      this._setBooleanOption('tiffPyramid', options.pyramid);
     }
     // resolution
     if (is.defined(options.xres)) {
-      if (is.number(options.xres)) {
+      if (is.number(options.xres) && options.xres > 0) {
         this.options.tiffXres = options.xres;
       } else {
-        throw new Error('Invalid Value for xres ' + options.xres + ' Only numeric values allowed for options.xres');
+        throw is.invalidParameterError('xres', 'number greater than zero', options.xres);
       }
     }
     if (is.defined(options.yres)) {
-      if (is.number(options.yres)) {
+      if (is.number(options.yres) && options.yres > 0) {
         this.options.tiffYres = options.yres;
       } else {
-        throw new Error('Invalid Value for yres ' + options.yres + ' Only numeric values allowed for options.yres');
+        throw is.invalidParameterError('yres', 'number greater than zero', options.yres);
       }
     }
     // compression
@@ -412,8 +410,7 @@ function tiff (options) {
       if (is.string(options.compression) && is.inArray(options.compression, ['lzw', 'deflate', 'jpeg', 'ccittfax4', 'none'])) {
         this.options.tiffCompression = options.compression;
       } else {
-        const message = `Invalid compression option "${options.compression}". Should be one of: lzw, deflate, jpeg, ccittfax4, none`;
-        throw new Error(message);
+        throw is.invalidParameterError('compression', 'one of: lzw, deflate, jpeg, ccittfax4, none', options.compression);
       }
     }
     // predictor
@@ -421,14 +418,60 @@ function tiff (options) {
       if (is.string(options.predictor) && is.inArray(options.predictor, ['none', 'horizontal', 'float'])) {
         this.options.tiffPredictor = options.predictor;
       } else {
-        const message = `Invalid predictor option "${options.predictor}". Should be one of: none, horizontal, float`;
-        throw new Error(message);
+        throw is.invalidParameterError('predictor', 'one of: none, horizontal, float', options.predictor);
       }
     }
   }
   return this._updateFormatOut('tiff', options);
 }
 
+/**
+ * Use these HEIF options for output image.
+ *
+ * Support for HEIF (HEIC/AVIF) is experimental.
+ * Do not use this in production systems.
+ *
+ * Requires a custom, globally-installed libvips compiled with support for libheif.
+ *
+ * Most versions of libheif support only the patent-encumbered HEVC compression format.
+ *
+ * @param {Object} [options] - output options
+ * @param {Number} [options.quality=80] - quality, integer 1-100
+ * @param {Boolean} [options.compression='hevc'] - compression format: hevc, avc, jpeg, av1
+ * @param {Boolean} [options.lossless=false] - use lossless compression
+ * @returns {Sharp}
+ * @throws {Error} Invalid options
+ */
+function heif (options) {
+  if (!this.constructor.format.heif.output.buffer) {
+    throw new Error('The heif operation requires libvips to have been installed with support for libheif');
+  }
+  if (is.object(options)) {
+    if (is.defined(options.quality)) {
+      if (is.integer(options.quality) && is.inRange(options.quality, 1, 100)) {
+        this.options.heifQuality = options.quality;
+      } else {
+        throw is.invalidParameterError('quality', 'integer between 1 and 100', options.quality);
+      }
+    }
+    if (is.defined(options.lossless)) {
+      if (is.bool(options.lossless)) {
+        this.options.heifLossless = options.lossless;
+      } else {
+        throw is.invalidParameterError('lossless', 'boolean', options.lossless);
+      }
+    }
+    if (is.defined(options.compression)) {
+      if (is.string(options.compression) && is.inArray(options.compression, ['hevc', 'avc', 'jpeg', 'av1'])) {
+        this.options.heifCompression = options.compression;
+      } else {
+        throw is.invalidParameterError('compression', 'one of: hevc, avc, jpeg, av1', options.compression);
+      }
+    }
+  }
+  return this._updateFormatOut('heif', options);
+}
+
 /**
  * Force output to be raw, uncompressed uint8 pixel data.
  *
@@ -464,7 +507,7 @@ function toFormat (format, options) {
   }
   if (format === 'jpg') format = 'jpeg';
   if (!is.inArray(format, ['jpeg', 'png', 'webp', 'tiff', 'raw'])) {
-    throw new Error('Unsupported output format ' + format);
+    throw is.invalidParameterError('format', 'one of: jpeg, png, webp, tiff, raw', format);
   }
   return this[format](options);
 }
@@ -487,79 +530,87 @@ function toFormat (format, options) {
  *     // output_files contains 512x512 tiles grouped by zoom level
  *   });
  *
- * @param {Object} [tile]
- * @param {Number} [tile.size=256] tile size in pixels, a value between 1 and 8192.
- * @param {Number} [tile.overlap=0] tile overlap in pixels, a value between 0 and 8192.
- * @param {Number} [tile.angle=0] tile angle of rotation, must be a multiple of 90.
- * @param {String} [tile.depth] how deep to make the pyramid, possible values are `onepixel`, `onetile` or `one`, default based on layout.
- * @param {String} [tile.container='fs'] tile container, with value `fs` (filesystem) or `zip` (compressed file).
- * @param {String} [tile.layout='dz'] filesystem layout, possible values are `dz`, `zoomify` or `google`.
+ * @param {Object} [options]
+ * @param {Number} [options.size=256] tile size in pixels, a value between 1 and 8192.
+ * @param {Number} [options.overlap=0] tile overlap in pixels, a value between 0 and 8192.
+ * @param {Number} [options.angle=0] tile angle of rotation, must be a multiple of 90.
+ * @param {String} [options.depth] how deep to make the pyramid, possible values are `onepixel`, `onetile` or `one`, default based on layout.
+ * @param {Number} [options.skipBlanks=-1] threshold to skip tile generation, a value 0 - 255 for 8-bit images or 0 - 65535 for 16-bit images
+ * @param {String} [options.container='fs'] tile container, with value `fs` (filesystem) or `zip` (compressed file).
+ * @param {String} [options.layout='dz'] filesystem layout, possible values are `dz`, `zoomify` or `google`.
  * @returns {Sharp}
  * @throws {Error} Invalid parameters
  */
-function tile (tile) {
-  if (is.object(tile)) {
+function tile (options) {
+  if (is.object(options)) {
     // Size of square tiles, in pixels
-    if (is.defined(tile.size)) {
-      if (is.integer(tile.size) && is.inRange(tile.size, 1, 8192)) {
-        this.options.tileSize = tile.size;
+    if (is.defined(options.size)) {
+      if (is.integer(options.size) && is.inRange(options.size, 1, 8192)) {
+        this.options.tileSize = options.size;
       } else {
-        throw new Error('Invalid tile size (1 to 8192) ' + tile.size);
+        throw is.invalidParameterError('size', 'integer between 1 and 8192', options.size);
       }
     }
     // Overlap of tiles, in pixels
-    if (is.defined(tile.overlap)) {
-      if (is.integer(tile.overlap) && is.inRange(tile.overlap, 0, 8192)) {
-        if (tile.overlap > this.options.tileSize) {
-          throw new Error('Tile overlap ' + tile.overlap + ' cannot be larger than tile size ' + this.options.tileSize);
+    if (is.defined(options.overlap)) {
+      if (is.integer(options.overlap) && is.inRange(options.overlap, 0, 8192)) {
+        if (options.overlap > this.options.tileSize) {
+          throw is.invalidParameterError('overlap', `<= size (${this.options.tileSize})`, options.overlap);
         }
         this.options.tileOverlap = tile.overlap;
       } else {
-        throw new Error('Invalid tile overlap (0 to 8192) ' + tile.overlap);
+        throw is.invalidParameterError('overlap', 'integer between 0 and 8192', options.overlap);
       }
     }
     // Container
-    if (is.defined(tile.container)) {
-      if (is.string(tile.container) && is.inArray(tile.container, ['fs', 'zip'])) {
-        this.options.tileContainer = tile.container;
+    if (is.defined(options.container)) {
+      if (is.string(options.container) && is.inArray(options.container, ['fs', 'zip'])) {
+        this.options.tileContainer = options.container;
       } else {
-        throw new Error('Invalid tile container ' + tile.container);
+        throw is.invalidParameterError('container', 'one of: fs, zip', options.container);
       }
     }
     // Layout
-    if (is.defined(tile.layout)) {
-      if (is.string(tile.layout) && is.inArray(tile.layout, ['dz', 'google', 'zoomify'])) {
-        this.options.tileLayout = tile.layout;
+    if (is.defined(options.layout)) {
+      if (is.string(options.layout) && is.inArray(options.layout, ['dz', 'google', 'zoomify'])) {
+        this.options.tileLayout = options.layout;
       } else {
-        throw new Error('Invalid tile layout ' + tile.layout);
+        throw is.invalidParameterError('layout', 'one of: dz, google, zoomify', options.layout);
       }
     }
-
     // Angle of rotation,
-    if (is.defined(tile.angle)) {
-      if (is.integer(tile.angle) && !(tile.angle % 90)) {
-        this.options.tileAngle = tile.angle;
+    if (is.defined(options.angle)) {
+      if (is.integer(options.angle) && !(options.angle % 90)) {
+        this.options.tileAngle = options.angle;
       } else {
-        throw new Error('Unsupported angle: angle must be a positive/negative multiple of 90 ' + tile.angle);
+        throw is.invalidParameterError('angle', 'positive/negative multiple of 90', options.angle);
       }
     }
-
     // Depth of tiles
-    if (is.defined(tile.depth)) {
-      if (is.string(tile.depth) && is.inArray(tile.depth, ['onepixel', 'onetile', 'one'])) {
-        this.options.tileDepth = tile.depth;
+    if (is.defined(options.depth)) {
+      if (is.string(options.depth) && is.inArray(options.depth, ['onepixel', 'onetile', 'one'])) {
+        this.options.tileDepth = options.depth;
       } else {
-        throw new Error("Invalid tile depth '" + tile.depth + "', should be one of 'onepixel', 'onetile' or 'one'");
+        throw is.invalidParameterError('depth', 'one of: onepixel, onetile, one', options.depth);
       }
     }
+    // Threshold to skip blank tiles
+    if (is.defined(options.skipBlanks)) {
+      if (is.integer(options.skipBlanks) && is.inRange(options.skipBlanks, -1, 65535)) {
+        this.options.tileSkipBlanks = options.skipBlanks;
+      } else {
+        throw is.invalidParameterError('skipBlanks', 'integer between -1 and 255/65535', options.skipBlanks);
+      }
+    } else if (is.defined(options.layout) && options.layout === 'google') {
+      this.options.tileSkipBlanks = 5;
+    }
   }
   // Format
   if (is.inArray(this.options.formatOut, ['jpeg', 'png', 'webp'])) {
     this.options.tileFormat = this.options.formatOut;
   } else if (this.options.formatOut !== 'input') {
-    throw new Error('Invalid tile format ' + this.options.formatOut);
+    throw is.invalidParameterError('format', 'one of: jpeg, png, webp', this.options.formatOut);
   }
-
   return this._updateFormatOut('dz');
 }
 
@@ -590,7 +641,7 @@ function _setBooleanOption (key, val) {
   if (is.bool(val)) {
     this.options[key] = val;
   } else {
-    throw new Error('Invalid ' + key + ' (boolean) ' + val);
+    throw is.invalidParameterError(key, 'boolean', val);
   }
 }
 
@@ -599,6 +650,7 @@ function _setBooleanOption (key, val) {
  * @private
  */
 function _read () {
+  /* istanbul ignore else */
   if (!this.options.streamOut) {
     this.options.streamOut = true;
     this._pipeline();
@@ -611,14 +663,13 @@ function _read () {
  * @private
  */
 function _pipeline (callback) {
-  const that = this;
   if (typeof callback === 'function') {
     // output=file/buffer
     if (this._isStreamInput()) {
       // output=file/buffer, input=stream
-      this.on('finish', function () {
-        that._flattenBufferIn();
-        sharp.pipeline(that.options, callback);
+      this.on('finish', () => {
+        this._flattenBufferIn();
+        sharp.pipeline(this.options, callback);
       });
     } else {
       // output=file/buffer, input=file/buffer
@@ -629,41 +680,31 @@ function _pipeline (callback) {
     // output=stream
     if (this._isStreamInput()) {
       // output=stream, input=stream
-      if (this.streamInFinished) {
+      this.once('finish', () => {
         this._flattenBufferIn();
-        sharp.pipeline(this.options, function (err, data, info) {
+        sharp.pipeline(this.options, (err, data, info) => {
           if (err) {
-            that.emit('error', err);
+            this.emit('error', err);
           } else {
-            that.emit('info', info);
-            that.push(data);
+            this.emit('info', info);
+            this.push(data);
           }
-          that.push(null);
-        });
-      } else {
-        this.on('finish', function () {
-          that._flattenBufferIn();
-          sharp.pipeline(that.options, function (err, data, info) {
-            if (err) {
-              that.emit('error', err);
-            } else {
-              that.emit('info', info);
-              that.push(data);
-            }
-            that.push(null);
-          });
+          this.push(null);
         });
+      });
+      if (this.streamInFinished) {
+        this.emit('finish');
       }
     } else {
       // output=stream, input=file/buffer
-      sharp.pipeline(this.options, function (err, data, info) {
+      sharp.pipeline(this.options, (err, data, info) => {
         if (err) {
-          that.emit('error', err);
+          this.emit('error', err);
         } else {
-          that.emit('info', info);
-          that.push(data);
+          this.emit('info', info);
+          this.push(data);
         }
-        that.push(null);
+        this.push(null);
       });
     }
     return this;
@@ -671,15 +712,15 @@ function _pipeline (callback) {
     // output=promise
     if (this._isStreamInput()) {
       // output=promise, input=stream
-      return new Promise(function (resolve, reject) {
-        that.on('finish', function () {
-          that._flattenBufferIn();
-          sharp.pipeline(that.options, function (err, data, info) {
+      return new Promise((resolve, reject) => {
+        this.once('finish', () => {
+          this._flattenBufferIn();
+          sharp.pipeline(this.options, (err, data, info) => {
             if (err) {
               reject(err);
             } else {
-              if (that.options.resolveWithObject) {
-                resolve({ data: data, info: info });
+              if (this.options.resolveWithObject) {
+                resolve({ data, info });
               } else {
                 resolve(data);
               }
@@ -689,12 +730,12 @@ function _pipeline (callback) {
       });
     } else {
       // output=promise, input=file/buffer
-      return new Promise(function (resolve, reject) {
-        sharp.pipeline(that.options, function (err, data, info) {
+      return new Promise((resolve, reject) => {
+        sharp.pipeline(this.options, (err, data, info) => {
           if (err) {
             reject(err);
           } else {
-            if (that.options.resolveWithObject) {
+            if (this.options.resolveWithObject) {
               resolve({ data: data, info: info });
             } else {
               resolve(data);
@@ -720,6 +761,7 @@ module.exports = function (Sharp) {
     png,
     webp,
     tiff,
+    heif,
     raw,
     toFormat,
     tile,

lib/resize.js

@@ -307,7 +307,7 @@ function extend (extend) {
     this.options.extendRight = extend.right;
     this._setColourOption('extendBackground', extend.background);
   } else {
-    throw new Error('Invalid edge extension ' + extend);
+    throw is.invalidParameterError('extend', 'integer or object', extend);
   }
   return this;
 }
@@ -334,11 +334,11 @@ function extend (extend) {
  *     // Extract a region, resize, then extract from the resized image
  *   });
  *
- * @param {Object} options
+ * @param {Object} options - describes the region to extract using integral pixel values
  * @param {Number} options.left - zero-indexed offset from left edge
  * @param {Number} options.top - zero-indexed offset from top edge
- * @param {Number} options.width - dimension of extracted image
- * @param {Number} options.height - dimension of extracted image
+ * @param {Number} options.width - width of region to extract
+ * @param {Number} options.height - height of region to extract
  * @returns {Sharp}
  * @throws {Error} Invalid parameters
  */
@@ -349,11 +349,11 @@ function extract (options) {
     if (is.integer(value) && value >= 0) {
       this.options[name + (name === 'left' || name === 'top' ? 'Offset' : '') + suffix] = value;
     } else {
-      throw new Error('Non-integer value for ' + name + ' of ' + value);
+      throw is.invalidParameterError(name, 'integer', value);
     }
   }, this);
   // Ensure existing rotation occurs before pre-resize extraction
-  if (suffix === 'Pre' && ((this.options.angle % 360) !== 0 || this.options.useExifOrientation === true)) {
+  if (suffix === 'Pre' && ((this.options.angle % 360) !== 0 || this.options.useExifOrientation === true || this.options.rotationAngle !== 0)) {
     this.options.rotateBeforePreExtract = true;
   }
   return this;

package.json

@@ -1,7 +1,7 @@
 {
   "name": "sharp",
   "description": "High performance Node.js image processing, the fastest module to resize JPEG, PNG, WebP and TIFF images",
-  "version": "0.22.0",
+  "version": "0.23.0",
   "author": "Lovell Fuller <npm@lovell.info>",
   "homepage": "https://github.com/lovell/sharp",
   "contributors": [
@@ -59,7 +59,9 @@
     "Daiz <taneli.vatanen@gmail.com>",
     "Julian Aubourg <j@ubourg.net>",
     "Keith Belovay <keith@picthrive.com>",
-    "Michael B. Klein <mbklein@gmail.com>"
+    "Michael B. Klein <mbklein@gmail.com>",
+    "Jordan Prudhomme <jordan@raboland.fr>",
+    "Ilya Ovdin <iovdin@gmail.com>"
   ],
   "scripts": {
     "install": "(node install/libvips && node install/dll-copy && prebuild-install) || (node-gyp rebuild && node install/dll-copy)",
@@ -93,40 +95,38 @@
     "vips"
   ],
   "dependencies": {
-    "bindings": "^1.5.0",
-    "color": "^3.1.0",
+    "color": "^3.1.2",
     "detect-libc": "^1.0.3",
-    "fs-copy-file-sync": "^1.1.1",
-    "nan": "^2.13.1",
+    "nan": "^2.14.0",
     "npmlog": "^4.1.2",
-    "prebuild-install": "^5.2.5",
-    "semver": "^5.6.0",
+    "prebuild-install": "^5.3.0",
+    "semver": "^6.3.0",
     "simple-get": "^3.0.3",
-    "tar": "^4.4.8",
+    "tar": "^4.4.10",
     "tunnel-agent": "^0.6.0"
   },
   "devDependencies": {
-    "async": "^2.6.2",
+    "async": "^3.1.0",
     "cc": "^1.0.2",
     "decompress-zip": "^0.3.2",
-    "documentation": "^9.3.1",
+    "documentation": "^12.0.3",
     "exif-reader": "^1.0.2",
     "icc": "^1.0.0",
     "license-checker": "^25.0.1",
-    "mocha": "^6.0.2",
-    "mock-fs": "^4.8.0",
-    "nyc": "^13.3.0",
-    "prebuild": "8.1.0",
-    "prebuild-ci": "^2.3.0",
+    "mocha": "^6.2.0",
+    "mock-fs": "^4.10.1",
+    "nyc": "^14.1.1",
+    "prebuild": "^9.0.1",
+    "prebuild-ci": "^3.1.0",
     "rimraf": "^2.6.3",
     "semistandard": "^13.0.1"
   },
   "license": "Apache-2.0",
   "config": {
-    "libvips": "8.7.4"
+    "libvips": "8.8.1"
   },
   "engines": {
-    "node": ">=6"
+    "node": ">=8.5.0"
   },
   "semistandard": {
     "env": [

src/common.cc

@@ -31,13 +31,13 @@ using vips::VImage;
 namespace sharp {
 
   // Convenience methods to access the attributes of a v8::Object
-  bool HasAttr(v8::Handle<v8::Object> obj, std::string attr) {
+  bool HasAttr(v8::Local<v8::Object> obj, std::string attr) {
     return Nan::Has(obj, Nan::New(attr).ToLocalChecked()).FromJust();
   }
-  std::string AttrAsStr(v8::Handle<v8::Object> obj, std::string attr) {
+  std::string AttrAsStr(v8::Local<v8::Object> obj, std::string attr) {
     return *Nan::Utf8String(Nan::Get(obj, Nan::New(attr).ToLocalChecked()).ToLocalChecked());
   }
-  std::vector<double> AttrAsRgba(v8::Handle<v8::Object> obj, std::string attr) {
+  std::vector<double> AttrAsRgba(v8::Local<v8::Object> obj, std::string attr) {
     v8::Local<v8::Object> background = AttrAs<v8::Object>(obj, attr);
     std::vector<double> rgba(4);
     for (unsigned int i = 0; i < 4; i++) {
@@ -48,7 +48,7 @@ namespace sharp {
 
   // Create an InputDescriptor instance from a v8::Object describing an input image
   InputDescriptor* CreateInputDescriptor(
-    v8::Handle<v8::Object> input, std::vector<v8::Local<v8::Object>> &buffersToPersist
+    v8::Local<v8::Object> input, std::vector<v8::Local<v8::Object>> &buffersToPersist
   ) {
     Nan::HandleScope();
     InputDescriptor *descriptor = new InputDescriptor;
@@ -110,6 +110,15 @@ namespace sharp {
   bool IsTiff(std::string const &str) {
     return EndsWith(str, ".tif") || EndsWith(str, ".tiff") || EndsWith(str, ".TIF") || EndsWith(str, ".TIFF");
   }
+  bool IsHeic(std::string const &str) {
+    return EndsWith(str, ".heic") || EndsWith(str, ".HEIC");
+  }
+  bool IsHeif(std::string const &str) {
+    return EndsWith(str, ".heif") || EndsWith(str, ".HEIF") || IsHeic(str) || IsAvif(str);
+  }
+  bool IsAvif(std::string const &str) {
+    return EndsWith(str, ".avif") || EndsWith(str, ".AVIF");
+  }
   bool IsDz(std::string const &str) {
     return EndsWith(str, ".dzi") || EndsWith(str, ".DZI");
   }
@@ -132,6 +141,7 @@ namespace sharp {
       case ImageType::TIFF: id = "tiff"; break;
       case ImageType::GIF: id = "gif"; break;
       case ImageType::SVG: id = "svg"; break;
+      case ImageType::HEIF: id = "heif"; break;
       case ImageType::PDF: id = "pdf"; break;
       case ImageType::MAGICK: id = "magick"; break;
       case ImageType::OPENSLIDE: id = "openslide"; break;
@@ -165,6 +175,8 @@ namespace sharp {
         imageType = ImageType::GIF;
       } else if (EndsWith(loader, "SvgBuffer")) {
         imageType = ImageType::SVG;
+      } else if (EndsWith(loader, "HeifBuffer")) {
+        imageType = ImageType::HEIF;
       } else if (EndsWith(loader, "PdfBuffer")) {
         imageType = ImageType::PDF;
       } else if (EndsWith(loader, "MagickBuffer")) {
@@ -196,6 +208,8 @@ namespace sharp {
         imageType = ImageType::GIF;
       } else if (EndsWith(loader, "SvgFile")) {
         imageType = ImageType::SVG;
+      } else if (EndsWith(loader, "HeifFile")) {
+        imageType = ImageType::HEIF;
       } else if (EndsWith(loader, "PdfFile")) {
         imageType = ImageType::PDF;
       } else if (EndsWith(loader, "Ppm")) {
@@ -222,6 +236,7 @@ namespace sharp {
     return
       imageType == ImageType::GIF ||
       imageType == ImageType::TIFF ||
+      imageType == ImageType::HEIF ||
       imageType == ImageType::PDF;
   }
 

src/common.h

@@ -25,8 +25,8 @@
 
 // Verify platform and compiler compatibility
 
-#if (VIPS_MAJOR_VERSION < 8 || (VIPS_MAJOR_VERSION == 8 && VIPS_MINOR_VERSION < 7))
-#error libvips version 8.7.0+ is required - see sharp.pixelplumbing.com/page/install
+#if (VIPS_MAJOR_VERSION < 8 || (VIPS_MAJOR_VERSION == 8 && VIPS_MINOR_VERSION < 8))
+#error libvips version 8.8.0+ is required - see sharp.pixelplumbing.com/page/install
 #endif
 
 #if ((!defined(__clang__)) && defined(__GNUC__) && (__GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 6)))
@@ -77,22 +77,22 @@ namespace sharp {
   };
 
   // Convenience methods to access the attributes of a v8::Object
-  bool HasAttr(v8::Handle<v8::Object> obj, std::string attr);
-  std::string AttrAsStr(v8::Handle<v8::Object> obj, std::string attr);
-  std::vector<double> AttrAsRgba(v8::Handle<v8::Object> obj, std::string attr);
-  template<typename T> v8::Local<T> AttrAs(v8::Handle<v8::Object> obj, std::string attr) {
+  bool HasAttr(v8::Local<v8::Object> obj, std::string attr);
+  std::string AttrAsStr(v8::Local<v8::Object> obj, std::string attr);
+  std::vector<double> AttrAsRgba(v8::Local<v8::Object> obj, std::string attr);
+  template<typename T> v8::Local<T> AttrAs(v8::Local<v8::Object> obj, std::string attr) {
     return Nan::Get(obj, Nan::New(attr).ToLocalChecked()).ToLocalChecked().As<T>();
   }
-  template<typename T> T AttrTo(v8::Handle<v8::Object> obj, std::string attr) {
+  template<typename T> T AttrTo(v8::Local<v8::Object> obj, std::string attr) {
     return Nan::To<T>(Nan::Get(obj, Nan::New(attr).ToLocalChecked()).ToLocalChecked()).FromJust();
   }
-  template<typename T> T AttrTo(v8::Handle<v8::Object> obj, int attr) {
+  template<typename T> T AttrTo(v8::Local<v8::Object> obj, int attr) {
     return Nan::To<T>(Nan::Get(obj, attr).ToLocalChecked()).FromJust();
   }
 
   // Create an InputDescriptor instance from a v8::Object describing an input image
   InputDescriptor* CreateInputDescriptor(
-    v8::Handle<v8::Object> input, std::vector<v8::Local<v8::Object>> &buffersToPersist);
+    v8::Local<v8::Object> input, std::vector<v8::Local<v8::Object>> &buffersToPersist);
 
   enum class ImageType {
     JPEG,
@@ -101,6 +101,7 @@ namespace sharp {
     TIFF,
     GIF,
     SVG,
+    HEIF,
     PDF,
     MAGICK,
     OPENSLIDE,
@@ -123,6 +124,9 @@ namespace sharp {
   bool IsPng(std::string const &str);
   bool IsWebp(std::string const &str);
   bool IsTiff(std::string const &str);
+  bool IsHeic(std::string const &str);
+  bool IsHeif(std::string const &str);
+  bool IsAvif(std::string const &str);
   bool IsDz(std::string const &str);
   bool IsDzZip(std::string const &str);
   bool IsV(std::string const &str);

src/libvips/cplusplus/VError.cpp

@@ -32,8 +32,6 @@
 #endif /*HAVE_CONFIG_H*/
 #include <vips/intl.h>
 
-#include <iostream>
-
 #include <vips/vips8>
 
 VIPS_NAMESPACE_START

src/libvips/cplusplus/VImage.cpp

@@ -563,7 +563,7 @@ VImage::new_from_file( const char *name, VOption *options )
 }
 
 VImage 
-VImage::new_from_buffer( void *buf, size_t len, const char *option_string, 
+VImage::new_from_buffer( const void *buf, size_t len, const char *option_string, 
 	VOption *options )
 {
 	const char *operation_name;
@@ -588,6 +588,13 @@ VImage::new_from_buffer( void *buf, size_t len, const char *option_string,
 	return( out );
 }
 
+VImage 
+VImage::new_from_buffer( const std::string &buf, const char *option_string, 
+	VOption *options )
+{
+	return( new_from_buffer( buf.c_str(), buf.size(), option_string, options ) );
+}
+
 VImage 
 VImage::new_matrix( int width, int height ) 
 {

src/metadata.cc

@@ -77,6 +77,9 @@ class MetadataWorker : public Nan::AsyncWorker {
       if (image.get_typeof(VIPS_META_PAGE_HEIGHT) == G_TYPE_INT) {
         baton->pageHeight = image.get_int(VIPS_META_PAGE_HEIGHT);
       }
+      if (image.get_typeof("heif-primary") == G_TYPE_INT) {
+        baton->pagePrimary = image.get_int("heif-primary");
+      }
       baton->hasProfile = sharp::HasProfile(image);
       // Derived attributes
       baton->hasAlpha = sharp::HasAlpha(image);
@@ -158,6 +161,9 @@ class MetadataWorker : public Nan::AsyncWorker {
       if (baton->pageHeight > 0) {
         Set(info, New("pageHeight").ToLocalChecked(), New<v8::Uint32>(baton->pageHeight));
       }
+      if (baton->pagePrimary > -1) {
+        Set(info, New("pagePrimary").ToLocalChecked(), New<v8::Uint32>(baton->pagePrimary));
+      }
       Set(info, New("hasProfile").ToLocalChecked(), New<v8::Boolean>(baton->hasProfile));
       Set(info, New("hasAlpha").ToLocalChecked(), New<v8::Boolean>(baton->hasAlpha));
       if (baton->orientation > 0) {

src/metadata.h

@@ -36,6 +36,7 @@ struct MetadataBaton {
   int paletteBitDepth;
   int pages;
   int pageHeight;
+  int pagePrimary;
   bool hasProfile;
   bool hasAlpha;
   int orientation;
@@ -59,6 +60,7 @@ struct MetadataBaton {
     paletteBitDepth(0),
     pages(0),
     pageHeight(0),
+    pagePrimary(-1),
     hasProfile(false),
     hasAlpha(false),
     orientation(0),

src/operations.cc

@@ -185,6 +185,21 @@ namespace sharp {
           0.0, 0.0, 0.0, 1.0));
   }
 
+  VImage Modulate(VImage image, double const brightness, double const saturation, int const hue) {
+    if (HasAlpha(image)) {
+      // Separate alpha channel
+      VImage alpha = image[image.bands() - 1];
+      return RemoveAlpha(image)
+        .colourspace(VIPS_INTERPRETATION_LCH)
+        .linear({brightness, saturation, 1}, {0, 0, static_cast<double>(hue)})
+        .bandjoin(alpha);
+    } else {
+      return image
+        .colourspace(VIPS_INTERPRETATION_LCH)
+        .linear({brightness, saturation, 1}, {0, 0, static_cast<double>(hue)});
+    }
+  }
+
   /*
    * Sharpen flat and jagged areas. Use sigma of -1.0 for fast sharpen.
    */

src/operations.h

@@ -97,6 +97,11 @@ namespace sharp {
    */
   VImage Recomb(VImage image, std::unique_ptr<double[]> const &matrix);
 
+  /*
+   * Modulate brightness, saturation and hue
+   */
+  VImage Modulate(VImage image, double const brightness, double const saturation, int const hue);
+
 }  // namespace sharp
 
 #endif  // SRC_OPERATIONS_H_

src/pipeline.cc

@@ -21,6 +21,8 @@
 #include <tuple>
 #include <utility>
 #include <vector>
+#include <sys/types.h>
+#include <sys/stat.h>
 
 #include <vips/vips8>
 #include <node.h>
@@ -30,6 +32,17 @@
 #include "operations.h"
 #include "pipeline.h"
 
+#if defined(WIN32)
+#define STAT64_STRUCT __stat64
+#define STAT64_FUNCTION _stat64
+#elif defined(__APPLE__)
+#define STAT64_STRUCT stat
+#define STAT64_FUNCTION stat
+#else
+#define STAT64_STRUCT stat64
+#define STAT64_FUNCTION stat64
+#endif
+
 class PipelineWorker : public Nan::AsyncWorker {
  public:
   PipelineWorker(
@@ -57,16 +70,6 @@ class PipelineWorker : public Nan::AsyncWorker {
     // Increment processing task counter
     g_atomic_int_inc(&sharp::counterProcess);
 
-    std::map<VipsInterpretation, std::string> profileMap;
-    // Default sRGB ICC profile from https://packages.debian.org/sid/all/icc-profiles-free/filelist
-    profileMap.insert(
-      std::pair<VipsInterpretation, std::string>(VIPS_INTERPRETATION_sRGB,
-                                                 baton->iccProfilePath + "sRGB.icc"));
-    // Convert to sRGB using default CMYK profile from http://www.argyllcms.com/cmyk.icm
-    profileMap.insert(
-      std::pair<VipsInterpretation, std::string>(VIPS_INTERPRETATION_CMYK,
-                                                 baton->iccProfilePath + "cmyk.icm"));
-
     try {
       // Open input
       vips::VImage image;
@@ -75,7 +78,8 @@ class PipelineWorker : public Nan::AsyncWorker {
 
       // Limit input images to a given number of pixels, where pixels = width * height
       // Ignore if 0
-      if (baton->limitInputPixels > 0 && image.width() * image.height() > baton->limitInputPixels) {
+      if (baton->limitInputPixels > 0 &&
+        static_cast<uint64_t>(image.width() * image.height()) > static_cast<uint64_t>(baton->limitInputPixels)) {
         (baton->err).append("Input image exceeds pixel limit");
         return Error();
       }
@@ -94,9 +98,16 @@ class PipelineWorker : public Nan::AsyncWorker {
       }
 
       // Rotate pre-extract
-      if (baton->rotateBeforePreExtract && rotation != VIPS_ANGLE_D0) {
-        image = image.rot(rotation);
-        sharp::RemoveExifOrientation(image);
+      if (baton->rotateBeforePreExtract) {
+        if (rotation != VIPS_ANGLE_D0) {
+          image = image.rot(rotation);
+          sharp::RemoveExifOrientation(image);
+        }
+        if (baton->rotationAngle != 0.0) {
+          std::vector<double> background;
+          std::tie(image, background) = sharp::ApplyAlpha(image, baton->rotationBackground);
+          image = image.rotate(baton->rotationAngle, VImage::option()->set("background", background));
+        }
       }
 
       // Trim
@@ -300,17 +311,15 @@ class PipelineWorker : public Nan::AsyncWorker {
       if (sharp::HasProfile(image) && image.interpretation() != VIPS_INTERPRETATION_LABS) {
         // Convert to sRGB using embedded profile
         try {
-          image = image.icc_transform(
-            const_cast<char*>(profileMap[VIPS_INTERPRETATION_sRGB].data()), VImage::option()
+          image = image.icc_transform("srgb", VImage::option()
             ->set("embedded", TRUE)
             ->set("intent", VIPS_INTENT_PERCEPTUAL));
         } catch(...) {
           // Ignore failure of embedded profile
         }
       } else if (image.interpretation() == VIPS_INTERPRETATION_CMYK) {
-        image = image.icc_transform(
-          const_cast<char*>(profileMap[VIPS_INTERPRETATION_sRGB].data()), VImage::option()
-          ->set("input_profile", profileMap[VIPS_INTERPRETATION_CMYK].data())
+        image = image.icc_transform("srgb", VImage::option()
+          ->set("input_profile", "cmyk")
           ->set("intent", VIPS_INTENT_PERCEPTUAL));
       }
 
@@ -349,6 +358,7 @@ class PipelineWorker : public Nan::AsyncWorker {
       bool const shouldSharpen = baton->sharpenSigma != 0.0;
       bool const shouldApplyMedian = baton->medianSize > 0;
       bool const shouldComposite = !baton->composite.empty();
+      bool const shouldModulate = baton->brightness != 1.0 || baton->saturation != 1.0 || baton->hue != 0.0;
 
       if (shouldComposite && !HasAlpha(image)) {
         image = sharp::EnsureAlpha(image);
@@ -388,12 +398,13 @@ class PipelineWorker : public Nan::AsyncWorker {
           ->set("kernel", kernel));
       }
 
-      // Rotate
-      if (!baton->rotateBeforePreExtract && rotation != VIPS_ANGLE_D0) {
-        image = image.rot(rotation);
-        sharp::RemoveExifOrientation(image);
+      // Rotate post-extract 90-angle
+      if (!baton->rotateBeforePreExtract &&  rotation != VIPS_ANGLE_D0) {
+          image = image.rot(rotation);
+          sharp::RemoveExifOrientation(image);
       }
 
+
       // Flip (mirror about Y axis)
       if (baton->flip) {
         image = image.flip(VIPS_DIRECTION_VERTICAL);
@@ -476,8 +487,8 @@ class PipelineWorker : public Nan::AsyncWorker {
         }
       }
 
-      // Rotate by degree
-      if (baton->rotationAngle != 0.0) {
+      // Rotate post-extract non-90 angle
+      if (!baton->rotateBeforePreExtract && baton->rotationAngle != 0.0) {
         std::vector<double> background;
         std::tie(image, background) = sharp::ApplyAlpha(image, baton->rotationBackground);
         image = image.rotate(baton->rotationAngle, VImage::option()->set("background", background));
@@ -528,6 +539,10 @@ class PipelineWorker : public Nan::AsyncWorker {
         image = sharp::Recomb(image, baton->recombMatrix);
       }
 
+      if (shouldModulate) {
+        image = sharp::Modulate(image, baton->brightness, baton->saturation, baton->hue);
+      }
+
       // Sharpen
       if (shouldSharpen) {
         image = sharp::Sharpen(image, baton->sharpenSigma, baton->sharpenFlat, baton->sharpenJagged);
@@ -674,8 +689,8 @@ class PipelineWorker : public Nan::AsyncWorker {
         // Convert colourspace, pass the current known interpretation so libvips doesn't have to guess
         image = image.colourspace(baton->colourspace, VImage::option()->set("source_space", image.interpretation()));
         // Transform colours from embedded profile to output profile
-        if (baton->withMetadata && sharp::HasProfile(image) && profileMap[baton->colourspace] != std::string()) {
-          image = image.icc_transform(const_cast<char*>(profileMap[baton->colourspace].data()),
+        if (baton->withMetadata && sharp::HasProfile(image)) {
+          image = image.icc_transform(vips_enum_nick(VIPS_TYPE_INTERPRETATION, baton->colourspace),
             VImage::option()->set("embedded", TRUE));
         }
       }
@@ -741,6 +756,8 @@ class PipelineWorker : public Nan::AsyncWorker {
             ->set("Q", baton->webpQuality)
             ->set("lossless", baton->webpLossless)
             ->set("near_lossless", baton->webpNearLossless)
+            ->set("smart_subsample", baton->webpSmartSubsample)
+            ->set("reduction_effort", baton->webpReductionEffort)
             ->set("alpha_q", baton->webpAlphaQuality)));
           baton->bufferOut = static_cast<char*>(area->data);
           baton->bufferOutLength = area->length;
@@ -774,6 +791,18 @@ class PipelineWorker : public Nan::AsyncWorker {
           vips_area_unref(area);
           baton->formatOut = "tiff";
           baton->channels = std::min(baton->channels, 3);
+        } else if (baton->formatOut == "heif" || (baton->formatOut == "input" && inputImageType == ImageType::HEIF)) {
+          // Write HEIF to buffer
+          VipsArea *area = VIPS_AREA(image.heifsave_buffer(VImage::option()
+            ->set("strip", !baton->withMetadata)
+            ->set("compression", baton->heifCompression)
+            ->set("Q", baton->heifQuality)
+            ->set("lossless", baton->heifLossless)));
+          baton->bufferOut = static_cast<char*>(area->data);
+          baton->bufferOutLength = area->length;
+          area->free_fn = nullptr;
+          vips_area_unref(area);
+          baton->formatOut = "heif";
         } else if (baton->formatOut == "raw" || (baton->formatOut == "input" && inputImageType == ImageType::RAW)) {
           // Write raw, uncompressed image data to buffer
           if (baton->greyscale || image.interpretation() == VIPS_INTERPRETATION_B_W) {
@@ -808,6 +837,7 @@ class PipelineWorker : public Nan::AsyncWorker {
         bool const isPng = sharp::IsPng(baton->fileOut);
         bool const isWebp = sharp::IsWebp(baton->fileOut);
         bool const isTiff = sharp::IsTiff(baton->fileOut);
+        bool const isHeif = sharp::IsHeif(baton->fileOut);
         bool const isDz = sharp::IsDz(baton->fileOut);
         bool const isDzZip = sharp::IsDzZip(baton->fileOut);
         bool const isV = sharp::IsV(baton->fileOut);
@@ -852,6 +882,8 @@ class PipelineWorker : public Nan::AsyncWorker {
             ->set("Q", baton->webpQuality)
             ->set("lossless", baton->webpLossless)
             ->set("near_lossless", baton->webpNearLossless)
+            ->set("smart_subsample", baton->webpSmartSubsample)
+            ->set("reduction_effort", baton->webpReductionEffort)
             ->set("alpha_q", baton->webpAlphaQuality));
           baton->formatOut = "webp";
         } else if (baton->formatOut == "tiff" || (mightMatchInput && isTiff) ||
@@ -874,6 +906,20 @@ class PipelineWorker : public Nan::AsyncWorker {
             ->set("yres", baton->tiffYres));
           baton->formatOut = "tiff";
           baton->channels = std::min(baton->channels, 3);
+        } else if (baton->formatOut == "heif" || (mightMatchInput && isHeif) ||
+          (willMatchInput && inputImageType == ImageType::HEIF)) {
+          // Write HEIF to file
+          #ifdef VIPS_TYPE_FOREIGN_HEIF_COMPRESSION
+          if (sharp::IsAvif(baton->fileOut)) {
+            baton->heifCompression = VIPS_FOREIGN_HEIF_COMPRESSION_AV1;
+          }
+          #endif
+          image.heifsave(const_cast<char*>(baton->fileOut.data()), VImage::option()
+            ->set("strip", !baton->withMetadata)
+            ->set("Q", baton->heifQuality)
+            ->set("compression", baton->heifCompression)
+            ->set("lossless", baton->heifLossless));
+          baton->formatOut = "heif";
         } else if (baton->formatOut == "dz" || isDz || isDzZip) {
           if (isDzZip) {
             baton->tileContainer = VIPS_FOREIGN_DZ_CONTAINER_ZIP;
@@ -892,7 +938,9 @@ class PipelineWorker : public Nan::AsyncWorker {
               {"Q", std::to_string(baton->webpQuality)},
               {"alpha_q", std::to_string(baton->webpAlphaQuality)},
               {"lossless", baton->webpLossless ? "TRUE" : "FALSE"},
-              {"near_lossless", baton->webpNearLossless ? "TRUE" : "FALSE"}
+              {"near_lossless", baton->webpNearLossless ? "TRUE" : "FALSE"},
+              {"smart_subsample", baton->webpSmartSubsample ? "TRUE" : "FALSE"},
+              {"reduction_effort", std::to_string(baton->webpReductionEffort)}
             };
             suffix = AssembleSuffixString(".webp", options);
           } else {
@@ -919,7 +967,8 @@ class PipelineWorker : public Nan::AsyncWorker {
                                        ->set("container", baton->tileContainer)
                                        ->set("layout", baton->tileLayout)
                                        ->set("suffix", const_cast<char*>(suffix.data()))
-                                       ->set("angle", CalculateAngleRotation(baton->tileAngle));
+                                       ->set("angle", CalculateAngleRotation(baton->tileAngle))
+                                       ->set("skip_blanks", baton->tileSkipBlanks);
 
           // libvips chooses a default depth based on layout. Instead of replicating that logic here by
           // not passing anything - libvips will handle choice
@@ -999,8 +1048,8 @@ class PipelineWorker : public Nan::AsyncWorker {
         argv[2] = info;
       } else {
         // Add file size to info
-        GStatBuf st;
-        if (g_stat(baton->fileOut.data(), &st) == 0) {
+        struct STAT64_STRUCT st;
+        if (STAT64_FUNCTION(baton->fileOut.data(), &st) == 0) {
           Set(info, New("size").ToLocalChecked(), New<v8::Uint32>(static_cast<uint32_t>(st.st_size)));
         }
         argv[1] = info;
@@ -1135,9 +1184,6 @@ NAN_METHOD(pipeline) {
 
   // Input
   baton->input = CreateInputDescriptor(AttrAs<v8::Object>(options, "input"), buffersToPersist);
-
-  // ICC profile to use when input CMYK image has no embedded profile
-  baton->iccProfilePath = AttrAsStr(options, "iccProfilePath");
   baton->accessMethod = AttrTo<bool>(options, "sequentialRead") ?
     VIPS_ACCESS_SEQUENTIAL : VIPS_ACCESS_RANDOM;
   // Limit input images to a given number of pixels, where pixels = width * height
@@ -1210,6 +1256,9 @@ NAN_METHOD(pipeline) {
   baton->flattenBackground = AttrAsRgba(options, "flattenBackground");
   baton->negate = AttrTo<bool>(options, "negate");
   baton->blurSigma = AttrTo<double>(options, "blurSigma");
+  baton->brightness = AttrTo<double>(options, "brightness");
+  baton->saturation = AttrTo<double>(options, "saturation");
+  baton->hue = AttrTo<int32_t>(options, "hue");
   baton->medianSize = AttrTo<uint32_t>(options, "medianSize");
   baton->sharpenSigma = AttrTo<double>(options, "sharpenSigma");
   baton->sharpenFlat = AttrTo<double>(options, "sharpenFlat");
@@ -1295,6 +1344,8 @@ NAN_METHOD(pipeline) {
   baton->webpAlphaQuality = AttrTo<uint32_t>(options, "webpAlphaQuality");
   baton->webpLossless = AttrTo<bool>(options, "webpLossless");
   baton->webpNearLossless = AttrTo<bool>(options, "webpNearLossless");
+  baton->webpSmartSubsample = AttrTo<bool>(options, "webpSmartSubsample");
+  baton->webpReductionEffort = AttrTo<uint32_t>(options, "webpReductionEffort");
   baton->tiffQuality = AttrTo<uint32_t>(options, "tiffQuality");
   baton->tiffPyramid = AttrTo<bool>(options, "tiffPyramid");
   baton->tiffSquash = AttrTo<bool>(options, "tiffSquash");
@@ -1310,12 +1361,19 @@ NAN_METHOD(pipeline) {
   baton->tiffPredictor = static_cast<VipsForeignTiffPredictor>(
   vips_enum_from_nick(nullptr, VIPS_TYPE_FOREIGN_TIFF_PREDICTOR,
     AttrAsStr(options, "tiffPredictor").data()));
-
+  baton->heifQuality = AttrTo<uint32_t>(options, "heifQuality");
+  baton->heifLossless = AttrTo<bool>(options, "heifLossless");
+  #ifdef VIPS_TYPE_FOREIGN_HEIF_COMPRESSION
+  baton->heifCompression = static_cast<VipsForeignHeifCompression>(
+  vips_enum_from_nick(nullptr, VIPS_TYPE_FOREIGN_HEIF_COMPRESSION,
+    AttrAsStr(options, "heifCompression").data()));
+  #endif
   // Tile output
   baton->tileSize = AttrTo<uint32_t>(options, "tileSize");
   baton->tileOverlap = AttrTo<uint32_t>(options, "tileOverlap");
   std::string tileContainer = AttrAsStr(options, "tileContainer");
   baton->tileAngle = AttrTo<int32_t>(options, "tileAngle");
+  baton->tileSkipBlanks = AttrTo<int32_t>(options, "tileSkipBlanks");
   if (tileContainer == "zip") {
     baton->tileContainer = VIPS_FOREIGN_DZ_CONTAINER_ZIP;
   } else {

src/pipeline.h

@@ -53,7 +53,6 @@ struct Composite {
 
 struct PipelineBaton {
   sharp::InputDescriptor *input;
-  std::string iccProfilePath;
   int limitInputPixels;
   std::string formatOut;
   std::string fileOut;
@@ -87,6 +86,9 @@ struct PipelineBaton {
   std::vector<double> flattenBackground;
   bool negate;
   double blurSigma;
+  double brightness;
+  double saturation;
+  int hue;
   int medianSize;
   double sharpenSigma;
   double sharpenFlat;
@@ -135,6 +137,8 @@ struct PipelineBaton {
   int webpAlphaQuality;
   bool webpNearLossless;
   bool webpLossless;
+  bool webpSmartSubsample;
+  int webpReductionEffort;
   int tiffQuality;
   VipsForeignTiffCompression tiffCompression;
   VipsForeignTiffPredictor tiffPredictor;
@@ -145,6 +149,9 @@ struct PipelineBaton {
   int tiffTileWidth;
   double tiffXres;
   double tiffYres;
+  int heifQuality;
+  int heifCompression;  // TODO(libvips 8.9.0): VipsForeignHeifCompression
+  bool heifLossless;
   std::string err;
   bool withMetadata;
   int withMetadataOrientation;
@@ -166,6 +173,7 @@ struct PipelineBaton {
   VipsForeignDzLayout tileLayout;
   std::string tileFormat;
   int tileAngle;
+  int tileSkipBlanks;
   VipsForeignDzDepth tileDepth;
   std::unique_ptr<double[]> recombMatrix;
 
@@ -189,6 +197,9 @@ struct PipelineBaton {
     flattenBackground{ 0.0, 0.0, 0.0 },
     negate(false),
     blurSigma(0.0),
+    brightness(1.0),
+    saturation(1.0),
+    hue(0),
     medianSize(0),
     sharpenSigma(0.0),
     sharpenFlat(1.0),
@@ -231,6 +242,11 @@ struct PipelineBaton {
     pngColours(256),
     pngDither(1.0),
     webpQuality(80),
+    webpAlphaQuality(100),
+    webpNearLossless(false),
+    webpLossless(false),
+    webpSmartSubsample(false),
+    webpReductionEffort(4),
     tiffQuality(80),
     tiffCompression(VIPS_FOREIGN_TIFF_COMPRESSION_JPEG),
     tiffPredictor(VIPS_FOREIGN_TIFF_PREDICTOR_HORIZONTAL),
@@ -241,6 +257,9 @@ struct PipelineBaton {
     tiffTileWidth(256),
     tiffXres(1.0),
     tiffYres(1.0),
+    heifQuality(80),
+    heifCompression(1),  // TODO(libvips 8.9.0): VIPS_FOREIGN_HEIF_COMPRESSION_HEVC
+    heifLossless(false),
     withMetadata(false),
     withMetadataOrientation(-1),
     convKernelWidth(0),
@@ -259,6 +278,7 @@ struct PipelineBaton {
     tileContainer(VIPS_FOREIGN_DZ_CONTAINER_FS),
     tileLayout(VIPS_FOREIGN_DZ_LAYOUT_DZ),
     tileAngle(0),
+    tileSkipBlanks(-1),
     tileDepth(VIPS_FOREIGN_DZ_DEPTH_LAST) {}
 };
 

src/sharp.cc

@@ -51,4 +51,4 @@ NAN_MODULE_INIT(init) {
     Nan::GetFunction(Nan::New<v8::FunctionTemplate>(stats)).ToLocalChecked());
 }
 
-NODE_MODULE(sharp, init)
+NAN_MODULE_WORKER_ENABLED(sharp, init)

src/stats.cc

@@ -115,7 +115,7 @@ class StatsWorker : public Nan::AsyncWorker {
 
       std::vector<ChannelStats>::iterator it;
       int i = 0;
-      for (it=baton->channelStats.begin() ; it < baton->channelStats.end(); it++, i++) {
+      for (it = baton->channelStats.begin(); it < baton->channelStats.end(); it++, i++) {
         v8::Local<v8::Object> channelStat = New<v8::Object>();
         Set(channelStat, New("min").ToLocalChecked(), New<v8::Number>(it->min));
         Set(channelStat, New("max").ToLocalChecked(), New<v8::Number>(it->max));
@@ -127,7 +127,7 @@ class StatsWorker : public Nan::AsyncWorker {
         Set(channelStat, New("minY").ToLocalChecked(), New<v8::Number>(it->minY));
         Set(channelStat, New("maxX").ToLocalChecked(), New<v8::Number>(it->maxX));
         Set(channelStat, New("maxY").ToLocalChecked(), New<v8::Number>(it->maxY));
-        channels->Set(i, channelStat);
+        Set(channels, i, channelStat);
       }
 
       Set(info, New("channels").ToLocalChecked(), channels);

src/utilities.cc

@@ -151,7 +151,7 @@ NAN_METHOD(format) {
   // Which load/save operations are available for each compressed format?
   Local<Object> format = New<Object>();
   for (std::string f : {
-    "jpeg", "png", "webp", "tiff", "magick", "openslide", "dz", "ppm", "fits", "gif", "svg", "pdf", "v"
+    "jpeg", "png", "webp", "tiff", "magick", "openslide", "dz", "ppm", "fits", "gif", "svg", "heif", "pdf", "v"
   }) {
     // Input
     Local<Boolean> hasInputFile =

test/bench/package.json

@@ -8,17 +8,17 @@
     "test": "node perf && node random && node parallel"
   },
   "devDependencies": {
-    "async": "^2.6.1",
+    "async": "^3.1.0",
     "benchmark": "^2.1.4",
     "gm": "^1.23.1",
     "imagemagick": "^0.1.3",
     "imagemagick-native": "^1.9.3",
-    "jimp": "^0.5.3",
-    "mapnik": "^4.0.1",
-    "semver": "^5.5.1"
+    "jimp": "^0.6.4",
+    "mapnik": "^4.2.1",
+    "semver": "^6.1.2"
   },
   "license": "Apache-2.0",
   "engines": {
-    "node": ">=6"
+    "node": ">=8.5.0"
   }
 }

test/fixtures/index.js

@@ -80,9 +80,6 @@ module.exports = {
   inputPngWithTransparency16bit: getPath('tbgn2c16.png'), // http://www.schaik.com/pngsuite/tbgn2c16.png
   inputPngOverlayLayer0: getPath('alpha-layer-0-background.png'),
   inputPngOverlayLayer1: getPath('alpha-layer-1-fill.png'),
-  inputPngOverlayLayer2: getPath('alpha-layer-2-ink.png'),
-  inputPngOverlayLayer1LowAlpha: getPath('alpha-layer-1-fill-low-alpha.png'),
-  inputPngOverlayLayer2LowAlpha: getPath('alpha-layer-2-ink-low-alpha.png'),
   inputPngAlphaPremultiplicationSmall: getPath('alpha-premultiply-1024x768-paper.png'),
   inputPngAlphaPremultiplicationLarge: getPath('alpha-premultiply-2048x1536-paper.png'),
   inputPngBooleanNoAlpha: getPath('bandbool.png'),
@@ -120,6 +117,8 @@ module.exports = {
   outputTiff: getPath('output.tiff'),
   outputZoinks: getPath('output.zoinks'), // an 'unknown' file extension
 
+  testPattern: getPath('test-pattern.png'),
+
   // Path for tests requiring human inspection
   path: getPath,
 

test/leak/leak.sh

@@ -16,5 +16,5 @@ for test in ./test/unit/*.js; do
     --show-leak-kinds=definite,indirect,possible \
     --num-callers=20 \
     --trace-children=yes \
-    node node_modules/.bin/mocha --slow=60000 --timeout=120000 --file test/unit/beforeEach.js "$test";
+    node --expose-gc node_modules/.bin/mocha --slow=60000 --timeout=120000 --file test/unit/beforeEach.js "$test";
 done

test/leak/sharp.supp

@@ -150,7 +150,7 @@
 {
   cond_libwebp_generic
   Memcheck:Cond
-  obj:/usr/lib/x86_64-linux-gnu/libwebp.so.6.0.2
+  obj:*/libwebp.so.*
 }
 
 # tiff
@@ -188,6 +188,14 @@
   ...
   fun:FcConfigSubstituteWithPat
 }
+{
+  leak_fontconfig_init
+  Memcheck:Leak
+  match-leak-kinds: indirect
+  fun:calloc
+  ...
+  fun:FcInitLoadConfigAndFonts
+}
 
 # libvips
 {
@@ -220,6 +228,13 @@
   fun:write_webp.constprop.1
   fun:vips__webp_write_buffer
 }
+{
+  value_libvips_start_thread
+  Memcheck:Value8
+  obj:*/libvips.so.*
+  fun:start_thread
+  fun:clone
+}
 {
   cond_libvips_vips_cast_gen
   Memcheck:Cond
@@ -261,6 +276,14 @@
   ...
   fun:write_webp_image
 }
+{
+  param_libvips_write_buf
+  Memcheck:Param
+  write(buf)
+  fun:write
+  ...
+  fun:start_thread
+}
 {
   leak_libvips_init
   Memcheck:Leak
@@ -284,6 +307,13 @@
   ...
   fun:uv__fs_work
 }
+{
+  param_libuv_epoll_ctl
+  Memcheck:Param
+  epoll_ctl(event)
+  fun:epoll_ctl
+  fun:uv__io_poll
+}
 {
   cond_libuv_work_done
   Memcheck:Cond
@@ -434,6 +464,30 @@
   ...
   fun:_ZN4node12NodePlatformC1EiPN2v817TracingControllerE
 }
+{
+  leak_nodejs_start_isolate_data
+  Memcheck:Leak
+  match-leak-kinds: possible
+  fun:_Znwm
+  ...
+  fun:_ZN4node5StartEPN2v87IsolateEPNS_11IsolateDataERKSt6vectorISsSaISsEES9_
+}
+{
+  leak_nodejs_runtime_stackguard_object_isolate
+  Memcheck:Leak
+  match-leak-kinds: possible
+  fun:_Znwm
+  ...
+  fun:_ZN2v88internal18Runtime_StackGuardEiPPNS0_6ObjectEPNS0_7IsolateE
+}
+{
+  leak_nodejs_builtin_handleapicall_object_isolate
+  Memcheck:Leak
+  match-leak-kinds: possible
+  fun:_Znwm
+  ...
+  fun:_ZN2v88internal21Builtin_HandleApiCallEiPPNS0_6ObjectEPNS0_7IsolateE
+}
 {
   param_nodejs_delayed_task_scheduler
   Memcheck:Param

test/unit/beforeEach.js

@@ -5,8 +5,16 @@ const sharp = require('../../');
 
 const usingCache = detectLibc.family !== detectLibc.MUSL;
 const usingSimd = !process.env.G_DEBUG;
+const concurrency = detectLibc.family === detectLibc.MUSL ? 1 : undefined;
 
 beforeEach(function () {
   sharp.cache(usingCache);
   sharp.simd(usingSimd);
+  sharp.concurrency(concurrency);
+});
+
+afterEach(function () {
+  if (global.gc) {
+    global.gc();
+  }
 });

test/unit/extend.js

@@ -6,6 +6,18 @@ const sharp = require('../../');
 const fixtures = require('../fixtures');
 
 describe('Extend', function () {
+  it('extend all sides equally via a single value', function (done) {
+    sharp(fixtures.inputJpg)
+      .resize(120)
+      .extend(10)
+      .toBuffer(function (err, data, info) {
+        if (err) throw err;
+        assert.strictEqual(140, info.width);
+        assert.strictEqual(118, info.height);
+        fixtures.assertSimilar(fixtures.expected('extend-equal-single.jpg'), data, done);
+      });
+  });
+
   it('extend all sides equally with RGB', function (done) {
     sharp(fixtures.inputJpg)
       .resize(120)

test/unit/extract.js

@@ -121,6 +121,32 @@ describe('Partial image extraction', function () {
       });
   });
 
+  it('Extract then rotate non-90 anagle', function (done) {
+    sharp(fixtures.inputPngWithGreyAlpha)
+      .extract({ left: 20, top: 10, width: 380, height: 280 })
+      .rotate(45)
+      .jpeg()
+      .toBuffer(function (err, data, info) {
+        if (err) throw err;
+        assert.strictEqual(467, info.width);
+        assert.strictEqual(467, info.height);
+        fixtures.assertSimilar(fixtures.expected('extract-rotate-45.jpg'), data, done);
+      });
+  });
+
+  it('Rotate then extract non-90 angle', function (done) {
+    sharp(fixtures.inputPngWithGreyAlpha)
+      .rotate(45)
+      .extract({ left: 20, top: 10, width: 380, height: 280 })
+      .jpeg()
+      .toBuffer(function (err, data, info) {
+        if (err) throw err;
+        assert.strictEqual(380, info.width);
+        assert.strictEqual(280, info.height);
+        fixtures.assertSimilar(fixtures.expected('rotate-extract-45.jpg'), data, { threshold: 7 }, done);
+      });
+  });
+
   describe('Invalid parameters', function () {
     describe('using the legacy extract(top,left,width,height) syntax', function () {
       it('String top', function () {

test/unit/failOnError.js

@@ -1,6 +1,7 @@
 'use strict';
 
 const assert = require('assert');
+const fs = require('fs');
 
 const sharp = require('../../');
 const fixtures = require('../fixtures');
@@ -72,4 +73,10 @@ describe('failOnError', function () {
         done(err.message.includes('VipsJpeg: Premature end of JPEG file') ? undefined : err);
       });
   });
+
+  it('handles stream-based input', function () {
+    const writable = sharp({ failOnError: false });
+    fs.createReadStream(fixtures.inputJpgTruncated).pipe(writable);
+    return writable.toBuffer();
+  });
 });

test/unit/heif.js

@@ -0,0 +1,79 @@
+'use strict';
+
+const assert = require('assert');
+
+const sharp = require('../../');
+
+const formatHeifOutputBuffer = sharp.format.heif.output.buffer;
+
+describe('HEIF (experimental)', () => {
+  describe('Stubbed without support for HEIF', () => {
+    before(() => {
+      sharp.format.heif.output.buffer = false;
+    });
+    after(() => {
+      sharp.format.heif.output.buffer = formatHeifOutputBuffer;
+    });
+
+    it('should throw an error', () => {
+      assert.throws(() => {
+        sharp().heif();
+      });
+    });
+  });
+
+  describe('Stubbed with support for HEIF', () => {
+    before(() => {
+      sharp.format.heif.output.buffer = true;
+    });
+    after(() => {
+      sharp.format.heif.output.buffer = formatHeifOutputBuffer;
+    });
+
+    it('called without options does not throw an error', () => {
+      assert.doesNotThrow(() => {
+        sharp().heif();
+      });
+    });
+    it('valid quality does not throw an error', () => {
+      assert.doesNotThrow(() => {
+        sharp().heif({ quality: 50 });
+      });
+    });
+    it('invalid quality should throw an error', () => {
+      assert.throws(() => {
+        sharp().heif({ quality: 101 });
+      });
+    });
+    it('non-numeric quality should throw an error', () => {
+      assert.throws(() => {
+        sharp().heif({ quality: 'fail' });
+      });
+    });
+    it('valid lossless does not throw an error', () => {
+      assert.doesNotThrow(() => {
+        sharp().heif({ lossless: true });
+      });
+    });
+    it('non-boolean lossless should throw an error', () => {
+      assert.throws(() => {
+        sharp().heif({ lossless: 'fail' });
+      });
+    });
+    it('valid compression does not throw an error', () => {
+      assert.doesNotThrow(() => {
+        sharp().heif({ compression: 'avc' });
+      });
+    });
+    it('unknown compression should throw an error', () => {
+      assert.throws(() => {
+        sharp().heif({ compression: 'fail' });
+      });
+    });
+    it('invalid compression should throw an error', () => {
+      assert.throws(() => {
+        sharp().heif({ compression: 1 });
+      });
+    });
+  });
+});

test/unit/io.js

@@ -392,6 +392,22 @@ describe('Input/output', function () {
       });
   });
 
+  it('Stream input with corrupt header fails gracefully', function (done) {
+    const transformer = sharp();
+    transformer
+      .toBuffer()
+      .then(function () {
+        done(new Error('Unexpectedly resolved Promise'));
+      })
+      .catch(function (err) {
+        assert.strictEqual(true, !!err);
+        done();
+      });
+    fs
+      .createReadStream(fixtures.inputJpgWithCorruptHeader)
+      .pipe(transformer);
+  });
+
   describe('Output filename with unknown extension', function () {
     it('Match JPEG input', function (done) {
       sharp(fixtures.inputJpg)

test/unit/metadata.js

@@ -75,8 +75,8 @@ describe('Image metadata', function () {
       // XMP
       assert.strictEqual('object', typeof metadata.xmp);
       assert.strictEqual(true, metadata.xmp instanceof Buffer);
-      assert.strictEqual(12495, metadata.xmp.byteLength);
-      assert.strictEqual(metadata.xmp.indexOf(Buffer.from('http://ns.adobe.com/xap/1.0')), 0);
+      assert.strictEqual(12466, metadata.xmp.byteLength);
+      assert.strictEqual(metadata.xmp.indexOf(Buffer.from('<?xpacket begin="')), 0);
       done();
     });
   });

test/unit/modulate.js

@@ -0,0 +1,125 @@
+'use strict';
+
+const sharp = require('../../');
+const assert = require('assert');
+const fixtures = require('../fixtures');
+
+describe('Modulate', function () {
+  describe('Invalid options', function () {
+    [
+      null,
+      undefined,
+      10,
+      { brightness: -1 },
+      { brightness: '50%' },
+      { brightness: null },
+      { saturation: -1 },
+      { saturation: '50%' },
+      { saturation: null },
+      { hue: '50deg' },
+      { hue: 1.5 },
+      { hue: null }
+    ].forEach(function (options) {
+      it('should throw', function () {
+        assert.throws(function () {
+          sharp(fixtures.inputJpg).modulate(options);
+        });
+      });
+    });
+  });
+
+  it('should be able to hue-rotate', function () {
+    const base = 'modulate-hue-120.jpg';
+    const actual = fixtures.path('output.' + base);
+    const expected = fixtures.expected(base);
+
+    return sharp(fixtures.inputJpg)
+      .modulate({ hue: 120 })
+      .toFile(actual)
+      .then(function () {
+        fixtures.assertMaxColourDistance(actual, expected, 25);
+      });
+  });
+
+  it('should be able to brighten', function () {
+    const base = 'modulate-brightness-2.jpg';
+    const actual = fixtures.path('output.' + base);
+    const expected = fixtures.expected(base);
+
+    return sharp(fixtures.inputJpg)
+      .modulate({ brightness: 2 })
+      .toFile(actual)
+      .then(function () {
+        fixtures.assertMaxColourDistance(actual, expected, 25);
+      });
+  });
+
+  it('should be able to unbrighten', function () {
+    const base = 'modulate-brightness-0-5.jpg';
+    const actual = fixtures.path('output.' + base);
+    const expected = fixtures.expected(base);
+
+    return sharp(fixtures.inputJpg)
+      .modulate({ brightness: 0.5 })
+      .toFile(actual)
+      .then(function () {
+        fixtures.assertMaxColourDistance(actual, expected, 25);
+      });
+  });
+
+  it('should be able to saturate', function () {
+    const base = 'modulate-saturation-2.jpg';
+    const actual = fixtures.path('output.' + base);
+    const expected = fixtures.expected(base);
+
+    return sharp(fixtures.inputJpg)
+      .modulate({ saturation: 2 })
+      .toFile(actual)
+      .then(function () {
+        fixtures.assertMaxColourDistance(actual, expected, 30);
+      });
+  });
+
+  it('should be able to desaturate', function () {
+    const base = 'modulate-saturation-0.5.jpg';
+    const actual = fixtures.path('output.' + base);
+    const expected = fixtures.expected(base);
+
+    return sharp(fixtures.inputJpg)
+      .modulate({ saturation: 0.5 })
+      .toFile(actual)
+      .then(function () {
+        fixtures.assertMaxColourDistance(actual, expected, 25);
+      });
+  });
+
+  it('should be able to modulate all channels', function () {
+    const base = 'modulate-all.jpg';
+    const actual = fixtures.path('output.' + base);
+    const expected = fixtures.expected(base);
+
+    return sharp(fixtures.inputJpg)
+      .modulate({ brightness: 2, saturation: 0.5, hue: 180 })
+      .toFile(actual)
+      .then(function () {
+        fixtures.assertMaxColourDistance(actual, expected, 25);
+      });
+  });
+
+  describe('hue-rotate', function (done) {
+    [30, 60, 90, 120, 150, 180, 210, 240, 270, 300, 330, 360].forEach(function (angle) {
+      it('should properly hue rotate by ' + angle + 'deg', function () {
+        const base = 'modulate-hue-angle-' + angle + '.png';
+        const actual = fixtures.path('output.' + base);
+        const expected = fixtures.expected(base);
+
+        return sharp(fixtures.testPattern)
+          .modulate({ hue: angle })
+          .toFile(actual)
+          .then(function () {
+            fixtures.assertMaxColourDistance(actual, expected, 25);
+          });
+      });
+    });
+  });
+});

test/unit/overlay.js

@@ -1,589 +0,0 @@
-'use strict';
-
-const fs = require('fs');
-const assert = require('assert');
-
-const fixtures = require('../fixtures');
-const sharp = require('../../');
-
-// Helpers
-const getPaths = function (baseName, extension) {
-  if (typeof extension === 'undefined') {
-    extension = 'png';
-  }
-  return {
-    actual: fixtures.path('output.' + baseName + '.' + extension),
-    expected: fixtures.expected(baseName + '.' + extension)
-  };
-};
-
-// Test
-describe('Overlays', function () {
-  it('Overlay transparent PNG file on solid background', function (done) {
-    const paths = getPaths('alpha-layer-01');
-
-    sharp(fixtures.inputPngOverlayLayer0)
-      .overlayWith(fixtures.inputPngOverlayLayer1)
-      .toFile(paths.actual, function (error) {
-        if (error) return done(error);
-        fixtures.assertMaxColourDistance(paths.actual, paths.expected);
-        done();
-      });
-  });
-
-  it('Overlay transparent PNG Buffer on solid background', function (done) {
-    const paths = getPaths('alpha-layer-01');
-
-    sharp(fixtures.inputPngOverlayLayer0)
-      .overlayWith(fs.readFileSync(fixtures.inputPngOverlayLayer1))
-      .toFile(paths.actual, function (error) {
-        if (error) return done(error);
-        fixtures.assertMaxColourDistance(paths.actual, paths.expected);
-        done();
-      });
-  });
-
-  it('Overlay low-alpha transparent PNG on solid background', function (done) {
-    const paths = getPaths('alpha-layer-01-low-alpha');
-
-    sharp(fixtures.inputPngOverlayLayer0)
-      .overlayWith(fixtures.inputPngOverlayLayer1LowAlpha)
-      .toFile(paths.actual, function (error) {
-        if (error) return done(error);
-        fixtures.assertMaxColourDistance(paths.actual, paths.expected);
-        done();
-      });
-  });
-
-  it('Composite three transparent PNGs into one', function (done) {
-    const paths = getPaths('alpha-layer-012');
-
-    sharp(fixtures.inputPngOverlayLayer0)
-      .overlayWith(fixtures.inputPngOverlayLayer1)
-      .toBuffer(function (error, data) {
-        if (error) return done(error);
-        sharp(data)
-          .overlayWith(fixtures.inputPngOverlayLayer2)
-          .toFile(paths.actual, function (error) {
-            if (error) return done(error);
-            fixtures.assertMaxColourDistance(paths.actual, paths.expected);
-            done();
-          });
-      });
-  });
-
-  it('Composite two transparent PNGs into one', function (done) {
-    const paths = getPaths('alpha-layer-12');
-
-    sharp(fixtures.inputPngOverlayLayer1)
-      .overlayWith(fixtures.inputPngOverlayLayer2)
-      .toFile(paths.actual, function (error) {
-        if (error) return done(error);
-        fixtures.assertMaxColourDistance(paths.actual, paths.expected);
-        done();
-      });
-  });
-
-  it('Composite two low-alpha transparent PNGs into one', function (done) {
-    const paths = getPaths('alpha-layer-12-low-alpha');
-
-    sharp(fixtures.inputPngOverlayLayer1LowAlpha)
-      .overlayWith(fixtures.inputPngOverlayLayer2LowAlpha)
-      .toFile(paths.actual, function (error) {
-        if (error) return done(error);
-        fixtures.assertMaxColourDistance(paths.actual, paths.expected, 2);
-        done();
-      });
-  });
-
-  it('Composite three low-alpha transparent PNGs into one', function (done) {
-    const paths = getPaths('alpha-layer-012-low-alpha');
-
-    sharp(fixtures.inputPngOverlayLayer0)
-      .overlayWith(fixtures.inputPngOverlayLayer1LowAlpha)
-      .toBuffer(function (error, data) {
-        if (error) return done(error);
-
-        sharp(data)
-          .overlayWith(fixtures.inputPngOverlayLayer2LowAlpha)
-          .toFile(paths.actual, function (error) {
-            if (error) return done(error);
-            fixtures.assertMaxColourDistance(paths.actual, paths.expected);
-            done();
-          });
-      });
-  });
-
-  it('Composite rgb+alpha PNG onto JPEG', function (done) {
-    const paths = getPaths('overlay-jpeg-with-rgb', 'jpg');
-
-    sharp(fixtures.inputJpg)
-      .resize(2048, 1536)
-      .overlayWith(fixtures.inputPngOverlayLayer1)
-      .toFile(paths.actual, function (error, info) {
-        if (error) return done(error);
-        fixtures.assertMaxColourDistance(paths.actual, paths.expected, 102);
-        done();
-      });
-  });
-
-  it('Composite greyscale+alpha PNG onto JPEG', function (done) {
-    const paths = getPaths('overlay-jpeg-with-greyscale', 'jpg');
-
-    sharp(fixtures.inputJpg)
-      .resize(400, 300)
-      .overlayWith(fixtures.inputPngWithGreyAlpha)
-      .toFile(paths.actual, function (error, info) {
-        if (error) return done(error);
-        fixtures.assertMaxColourDistance(paths.actual, paths.expected, 102);
-        done();
-      });
-  });
-
-  it('Composite WebP onto JPEG', function (done) {
-    const paths = getPaths('overlay-jpeg-with-webp', 'jpg');
-
-    sharp(fixtures.inputJpg)
-      .resize(300, 300)
-      .overlayWith(fixtures.inputWebPWithTransparency)
-      .toFile(paths.actual, function (error, info) {
-        if (error) return done(error);
-        fixtures.assertMaxColourDistance(paths.actual, paths.expected, 102);
-        done();
-      });
-  });
-
-  it('Composite JPEG onto PNG, ensure premultiply', function (done) {
-    sharp(fixtures.inputPngOverlayLayer1)
-      .overlayWith(fixtures.inputJpgWithLandscapeExif1)
-      .toBuffer(function (err, data, info) {
-        if (err) throw err;
-        assert.strictEqual(true, info.premultiplied);
-        done();
-      });
-  });
-
-  it('Composite opaque JPEG onto JPEG, ensure premultiply', function (done) {
-    sharp(fixtures.inputJpg)
-      .overlayWith(fixtures.inputJpgWithLandscapeExif1)
-      .toBuffer(function (err, data, info) {
-        if (err) throw err;
-        assert.strictEqual(true, info.premultiplied);
-        done();
-      });
-  });
-
-  it('Fail when overlay is larger', function (done) {
-    sharp(fixtures.inputJpg)
-      .resize(320)
-      .overlayWith(fixtures.inputPngOverlayLayer1)
-      .toBuffer(function (error) {
-        assert.strictEqual(true, error instanceof Error);
-        done();
-      });
-  });
-
-  it('Fail with empty String parameter', function () {
-    assert.throws(function () {
-      sharp().overlayWith('');
-    });
-  });
-
-  it('Fail with non-String parameter', function () {
-    assert.throws(function () {
-      sharp().overlayWith(1);
-    });
-  });
-
-  it('Fail with unsupported gravity', function () {
-    assert.throws(function () {
-      sharp()
-        .overlayWith(fixtures.inputPngOverlayLayer1, {
-          gravity: 9
-        });
-    });
-  });
-
-  it('Empty options', function () {
-    assert.doesNotThrow(function () {
-      sharp().overlayWith(fixtures.inputPngOverlayLayer1, {});
-    });
-  });
-
-  describe('Overlay with numeric gravity', function () {
-    Object.keys(sharp.gravity).forEach(function (gravity) {
-      it(gravity, function (done) {
-        const expected = fixtures.expected('overlay-gravity-' + gravity + '.jpg');
-        sharp(fixtures.inputJpg)
-          .resize(80)
-          .overlayWith(fixtures.inputPngWithTransparency16bit, {
-            gravity: gravity
-          })
-          .toBuffer(function (err, data, info) {
-            if (err) throw err;
-            assert.strictEqual('jpeg', info.format);
-            assert.strictEqual(80, info.width);
-            assert.strictEqual(65, info.height);
-            assert.strictEqual(3, info.channels);
-            fixtures.assertSimilar(expected, data, done);
-          });
-      });
-    });
-  });
-
-  describe('Overlay with string-based gravity', function () {
-    Object.keys(sharp.gravity).forEach(function (gravity) {
-      it(gravity, function (done) {
-        const expected = fixtures.expected('overlay-gravity-' + gravity + '.jpg');
-        sharp(fixtures.inputJpg)
-          .resize(80)
-          .overlayWith(fixtures.inputPngWithTransparency16bit, {
-            gravity: sharp.gravity[gravity]
-          })
-          .toBuffer(function (err, data, info) {
-            if (err) throw err;
-            assert.strictEqual('jpeg', info.format);
-            assert.strictEqual(80, info.width);
-            assert.strictEqual(65, info.height);
-            assert.strictEqual(3, info.channels);
-            fixtures.assertSimilar(expected, data, done);
-          });
-      });
-    });
-  });
-
-  describe('Overlay with tile enabled and gravity', function () {
-    Object.keys(sharp.gravity).forEach(function (gravity) {
-      it(gravity, function (done) {
-        const expected = fixtures.expected('overlay-tile-gravity-' + gravity + '.jpg');
-        sharp(fixtures.inputJpg)
-          .resize(80)
-          .overlayWith(fixtures.inputPngWithTransparency16bit, {
-            tile: true,
-            gravity: gravity
-          })
-          .toBuffer(function (err, data, info) {
-            if (err) throw err;
-            assert.strictEqual('jpeg', info.format);
-            assert.strictEqual(80, info.width);
-            assert.strictEqual(65, info.height);
-            assert.strictEqual(3, info.channels);
-            fixtures.assertSimilar(expected, data, done);
-          });
-      });
-    });
-  });
-
-  describe('Overlay with top-left offsets', function () {
-    it('Overlay with 10px top & 10px left offsets', function (done) {
-      const expected = fixtures.expected('overlay-valid-offsets-10-10.jpg');
-      sharp(fixtures.inputJpg)
-        .resize(400)
-        .overlayWith(fixtures.inputPngWithTransparency16bit, {
-          top: 10,
-          left: 10
-        })
-        .toBuffer(function (err, data, info) {
-          if (err) throw err;
-          assert.strictEqual('jpeg', info.format);
-          assert.strictEqual(3, info.channels);
-          fixtures.assertSimilar(expected, data, done);
-        });
-    });
-
-    it('Overlay with 100px top & 300px left offsets', function (done) {
-      const expected = fixtures.expected('overlay-valid-offsets-100-300.jpg');
-      sharp(fixtures.inputJpg)
-        .resize(400)
-        .overlayWith(fixtures.inputPngWithTransparency16bit, {
-          top: 100,
-          left: 300
-        })
-        .toBuffer(function (err, data, info) {
-          if (err) throw err;
-          assert.strictEqual('jpeg', info.format);
-          assert.strictEqual(3, info.channels);
-          fixtures.assertSimilar(expected, data, done);
-        });
-    });
-
-    it('Overlay with only top offset', function () {
-      assert.throws(function () {
-        sharp(fixtures.inputJpg)
-          .resize(400)
-          .overlayWith(fixtures.inputPngWithTransparency16bit, {
-            top: 1000
-          });
-      });
-    });
-
-    it('Overlay with only left offset', function () {
-      assert.throws(function () {
-        sharp(fixtures.inputJpg)
-          .resize(400)
-          .overlayWith(fixtures.inputPngWithTransparency16bit, {
-            left: 1000
-          });
-      });
-    });
-
-    it('Overlay with negative offsets', function () {
-      assert.throws(function () {
-        sharp(fixtures.inputJpg)
-          .resize(400)
-          .overlayWith(fixtures.inputPngWithTransparency16bit, {
-            top: -1000,
-            left: -1000
-          });
-      });
-    });
-
-    it('Overlay with 0 offset', function (done) {
-      const expected = fixtures.expected('overlay-offset-0.jpg');
-      sharp(fixtures.inputJpg)
-        .resize(400)
-        .overlayWith(fixtures.inputPngWithTransparency16bit, {
-          top: 0,
-          left: 0
-        })
-        .toBuffer(function (err, data, info) {
-          if (err) throw err;
-          assert.strictEqual('jpeg', info.format);
-          assert.strictEqual(3, info.channels);
-          fixtures.assertSimilar(expected, data, done);
-        });
-    });
-
-    it('Overlay with offset and gravity', function (done) {
-      const expected = fixtures.expected('overlay-offset-with-gravity.jpg');
-      sharp(fixtures.inputJpg)
-        .resize(400)
-        .overlayWith(fixtures.inputPngWithTransparency16bit, {
-          left: 10,
-          top: 10,
-          gravity: 4
-
-        })
-        .toBuffer(function (err, data, info) {
-          if (err) throw err;
-          assert.strictEqual('jpeg', info.format);
-          assert.strictEqual(3, info.channels);
-          fixtures.assertSimilar(expected, data, done);
-        });
-    });
-
-    it('Overlay with offset and gravity and tile', function (done) {
-      const expected = fixtures.expected('overlay-offset-with-gravity-tile.jpg');
-      sharp(fixtures.inputJpg)
-        .resize(400)
-        .overlayWith(fixtures.inputPngWithTransparency16bit, {
-          left: 10,
-          top: 10,
-          gravity: 4,
-          tile: true
-        })
-        .toBuffer(function (err, data, info) {
-          if (err) throw err;
-          assert.strictEqual('jpeg', info.format);
-          assert.strictEqual(3, info.channels);
-          fixtures.assertSimilar(expected, data, done);
-        });
-    });
-
-    it('Overlay with offset and tile', function (done) {
-      const expected = fixtures.expected('overlay-offset-with-tile.jpg');
-      sharp(fixtures.inputJpg)
-        .resize(400)
-        .overlayWith(fixtures.inputPngWithTransparency16bit, {
-          left: 10,
-          top: 10,
-          tile: true
-        })
-        .toBuffer(function (err, data, info) {
-          if (err) throw err;
-          assert.strictEqual('jpeg', info.format);
-          assert.strictEqual(3, info.channels);
-          fixtures.assertSimilar(expected, data, done);
-        });
-    });
-
-    it('Overlay with invalid tile option', function () {
-      assert.throws(function () {
-        sharp().overlayWith('ignore', { tile: 1 });
-      });
-    });
-
-    it('Overlay with very large offset', function (done) {
-      const expected = fixtures.expected('overlay-very-large-offset.jpg');
-      sharp(fixtures.inputJpg)
-        .resize(400)
-        .overlayWith(fixtures.inputPngWithTransparency16bit, {
-          left: 10000,
-          top: 10000
-        })
-        .toBuffer(function (err, data, info) {
-          if (err) throw err;
-          assert.strictEqual('jpeg', info.format);
-          assert.strictEqual(3, info.channels);
-          fixtures.assertSimilar(expected, data, done);
-        });
-    });
-
-    it('Overlay 100x100 with 50x50 so bottom edges meet', function (done) {
-      sharp(fixtures.inputJpg)
-        .resize(50, 50)
-        .toBuffer(function (err, overlay) {
-          if (err) throw err;
-          sharp(fixtures.inputJpgWithLandscapeExif1)
-            .resize(100, 100)
-            .overlayWith(overlay, {
-              top: 50,
-              left: 40
-            })
-            .toBuffer(function (err, data, info) {
-              if (err) throw err;
-              assert.strictEqual('jpeg', info.format);
-              assert.strictEqual(100, info.width);
-              assert.strictEqual(100, info.height);
-              fixtures.assertSimilar(fixtures.expected('overlay-bottom-edges-meet.jpg'), data, done);
-            });
-        });
-    });
-  });
-
-  it('With tile enabled and image rotated 90 degrees', function (done) {
-    const expected = fixtures.expected('overlay-tile-rotated90.jpg');
-    sharp(fixtures.inputJpg)
-      .rotate(90)
-      .resize(80)
-      .overlayWith(fixtures.inputPngWithTransparency16bit, {
-        tile: true
-      })
-      .toBuffer(function (err, data, info) {
-        if (err) throw err;
-        assert.strictEqual('jpeg', info.format);
-        assert.strictEqual(80, info.width);
-        assert.strictEqual(98, info.height);
-        assert.strictEqual(3, info.channels);
-        fixtures.assertSimilar(expected, data, done);
-      });
-  });
-
-  it('With tile enabled and image rotated 90 degrees and gravity northwest', function (done) {
-    const expected = fixtures.expected('overlay-tile-rotated90-gravity-northwest.jpg');
-    sharp(fixtures.inputJpg)
-      .rotate(90)
-      .resize(80)
-      .overlayWith(fixtures.inputPngWithTransparency16bit, {
-        tile: true,
-        gravity: 'northwest'
-      })
-      .toBuffer(function (err, data, info) {
-        if (err) throw err;
-        assert.strictEqual('jpeg', info.format);
-        assert.strictEqual(80, info.width);
-        assert.strictEqual(98, info.height);
-        assert.strictEqual(3, info.channels);
-        fixtures.assertSimilar(expected, data, done);
-      });
-  });
-
-  describe('Overlay with cutout enabled and gravity', function () {
-    Object.keys(sharp.gravity).forEach(function (gravity) {
-      it(gravity, function (done) {
-        const expected = fixtures.expected('overlay-cutout-gravity-' + gravity + '.jpg');
-        sharp(fixtures.inputJpg)
-          .resize(80)
-          .overlayWith(fixtures.inputPngWithTransparency16bit, {
-            cutout: true,
-            gravity: gravity
-          })
-          .toBuffer(function (err, data, info) {
-            if (err) throw err;
-            assert.strictEqual('jpeg', info.format);
-            assert.strictEqual(80, info.width);
-            assert.strictEqual(65, info.height);
-            assert.strictEqual(3, info.channels);
-            fixtures.assertSimilar(expected, data, done);
-          });
-      });
-    });
-  });
-
-  it('With cutout enabled and image rotated 90 degrees', function (done) {
-    const expected = fixtures.expected('overlay-cutout-rotated90.jpg');
-    sharp(fixtures.inputJpg)
-      .rotate(90)
-      .resize(80)
-      .overlayWith(fixtures.inputPngWithTransparency16bit, {
-        cutout: true
-      })
-      .toBuffer(function (err, data, info) {
-        if (err) throw err;
-        assert.strictEqual('jpeg', info.format);
-        assert.strictEqual(80, info.width);
-        assert.strictEqual(98, info.height);
-        assert.strictEqual(3, info.channels);
-        fixtures.assertSimilar(expected, data, done);
-      });
-  });
-
-  it('With cutout enabled and image rotated 90 degrees and gravity northwest', function (done) {
-    const expected = fixtures.expected('overlay-cutout-rotated90-gravity-northwest.jpg');
-    sharp(fixtures.inputJpg)
-      .rotate(90)
-      .resize(80)
-      .overlayWith(fixtures.inputPngWithTransparency16bit, {
-        cutout: true,
-        gravity: 'northwest'
-      })
-      .toBuffer(function (err, data, info) {
-        if (err) throw err;
-        assert.strictEqual('jpeg', info.format);
-        assert.strictEqual(80, info.width);
-        assert.strictEqual(98, info.height);
-        assert.strictEqual(3, info.channels);
-        fixtures.assertSimilar(expected, data, done);
-      });
-  });
-
-  it('Composite RGBA raw buffer onto JPEG', function (done) {
-    sharp(fixtures.inputPngOverlayLayer1)
-      .raw()
-      .toBuffer(function (err, data, info) {
-        if (err) throw err;
-        sharp(fixtures.inputJpg)
-          .resize(2048, 1536)
-          .overlayWith(data, { raw: info })
-          .toBuffer(function (err, data, info) {
-            if (err) throw err;
-            assert.strictEqual(true, info.premultiplied);
-            fixtures.assertSimilar(fixtures.expected('overlay-jpeg-with-rgb.jpg'), data, done);
-          });
-      });
-  });
-
-  it('Returns an error when called with an invalid file', function (done) {
-    sharp(fixtures.inputJpg)
-      .overlayWith('notfound.png')
-      .toBuffer(function (err) {
-        assert(err instanceof Error);
-        done();
-      });
-  });
-
-  it('Composite JPEG onto JPEG', function (done) {
-    sharp(fixtures.inputJpg)
-      .resize(480, 320)
-      .overlayWith(fixtures.inputJpgBooleanTest)
-      .toBuffer(function (err, data, info) {
-        if (err) throw err;
-        assert.strictEqual('jpeg', info.format);
-        assert.strictEqual(480, info.width);
-        assert.strictEqual(320, info.height);
-        assert.strictEqual(3, info.channels);
-        assert.strictEqual(true, info.premultiplied);
-        fixtures.assertSimilar(fixtures.expected('overlay-jpeg-with-jpeg.jpg'), data, done);
-      });
-  });
-});

test/unit/resize-cover.js

@@ -338,7 +338,7 @@ describe('Resize fit=cover', function () {
           assert.strictEqual(3, info.channels);
           assert.strictEqual(80, info.width);
           assert.strictEqual(320, info.height);
-          assert.strictEqual(-143, info.cropOffsetLeft);
+          assert.strictEqual(-107, info.cropOffsetLeft);
           assert.strictEqual(0, info.cropOffsetTop);
           fixtures.assertSimilar(fixtures.expected('crop-strategy-attention.jpg'), data, done);
         });