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Expose libwebp smartSubsample and reductionEffort #1545

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Lovell Fuller
2019-07-14 22:52:38 +01:00
parent 119d16cad3
commit 36e8a3da88
7 changed files with 88 additions and 3 deletions
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2
docs/api-output.md
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@@ -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

3
docs/changelog.md
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@@ -11,6 +11,9 @@ Requires libvips v8.8.0.
* 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)