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Expose WebP alpha quality, lossless and near-lossless output options (#685)

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Rahul Nanwani
2017-01-19 19:15:32 +05:30
committed by Lovell Fuller
parent 815d076b35
commit a1b8efe721
9 changed files with 88 additions and 1 deletions
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docs/api-output.md
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@@ -115,6 +115,9 @@ Use these WebP options for output image.
- `options` **[Object](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object)?** output options
- `options.quality` **[Number](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number)?** quality, integer 1-100 (optional, default `80`)
- `options.alphaQuality` **[Number](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number)?** quality of alpha layer, integer 0-100 (optional, default `100`)
- `options.lossless` **[Boolean](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Boolean)?** use lossless compression mode (optional, default `false`)
- `options.nearLossless` **[Boolean](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Boolean)?** use near_lossless compression mode (optional, default `false`)
- `options.force` **[Boolean](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Boolean)?** force WebP output, otherwise attempt to use input format (optional, default `true`)