Changelog entry, credit and doc update for #1835

docs/changelog.md

@@ -13,6 +13,10 @@ Requires libvips v8.8.1.
   [#1834](https://github.com/lovell/sharp/pull/1834)
   [@jaubourg](https://github.com/jaubourg)
 
+* Add `premultiplied` option to `composite` operation.
+  [#1835](https://github.com/lovell/sharp/pull/1835)
+  [@Andargor](https://github.com/Andargor)
+
 * Ensure image is at least 3x3 pixels before attempting trim operation.
 
 #### v0.23.0 - 29<sup>th</sup> July 2019

docs/index.md

@@ -126,6 +126,7 @@ the help and code contributions of the following people:
 * [Michael B. Klein](https://github.com/mbklein)
 * [Jakub Michálek](https://github.com/Goues)
 * [Ilya Ovdin](https://github.com/iovdin)
+* [Andargor](https://github.com/Andargor)
 
 Thank you!
 

lib/composite.js

@@ -81,6 +81,7 @@ const blend = {
  * @param {Number} [images[].top] - the pixel offset from the top edge.
  * @param {Number} [images[].left] - the pixel offset from the left edge.
  * @param {Boolean} [images[].tile=false] - set to true to repeat the overlay image across the entire image with the given `gravity`.
+ * @param {Boolean} [images[].premultiplied=false] - set to true to avoid premultipling the image below. Equivalent to the `--premultiplied` vips option.
  * @param {Number} [images[].density=72] - number representing the DPI for vector overlay image.
  * @param {Object} [images[].raw] - describes overlay when using raw pixel data.
  * @param {Number} [images[].raw.width]

package.json

@@ -61,7 +61,8 @@
     "Keith Belovay <keith@picthrive.com>",
     "Michael B. Klein <mbklein@gmail.com>",
     "Jordan Prudhomme <jordan@raboland.fr>",
-    "Ilya Ovdin <iovdin@gmail.com>"
+    "Ilya Ovdin <iovdin@gmail.com>",
+    "Andargor <andargor@yahoo.com>"
   ],
   "scripts": {
     "install": "(node install/libvips && node install/dll-copy && prebuild-install) || (node-gyp rebuild && node install/dll-copy)",