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Docs: fastShrinkOnLoad can round-down when auto-scaling

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Lovell Fuller 2023-01-16 12:06:50 +00:00
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docs/api-resize.md
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@ -53,7 +53,7 @@ Previous calls to `resize` in the same pipeline will be ignored.
| [options.kernel] | <code>String</code> | <code>&#x27;lanczos3&#x27;</code> | the kernel to use for image reduction. Use the `fastShrinkOnLoad` option to control kernel vs shrink-on-load. |
| [options.withoutEnlargement] | <code>Boolean</code> | <code>false</code> | do not enlarge if the width *or* height are already less than the specified dimensions, equivalent to GraphicsMagick's `>` geometry option. |
| [options.withoutReduction] | <code>Boolean</code> | <code>false</code> | do not reduce if the width *or* height are already greater than the specified dimensions, equivalent to GraphicsMagick's `<` geometry option. |
| [options.fastShrinkOnLoad] | <code>Boolean</code> | <code>true</code> | take greater advantage of the JPEG and WebP shrink-on-load feature, which can lead to a slight moiré pattern on some images. |
| [options.fastShrinkOnLoad] | <code>Boolean</code> | <code>true</code> | take greater advantage of the JPEG and WebP shrink-on-load feature, which can lead to a slight moiré pattern or round-down of an auto-scaled dimension. |
**Example**
```js

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lib/resize.js
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@ -227,7 +227,7 @@ function isResizeExpected (options) {
* @param {String} [options.kernel='lanczos3'] - the kernel to use for image reduction. Use the `fastShrinkOnLoad` option to control kernel vs shrink-on-load.
* @param {Boolean} [options.withoutEnlargement=false] - do not enlarge if the width *or* height are already less than the specified dimensions, equivalent to GraphicsMagick's `>` geometry option.
* @param {Boolean} [options.withoutReduction=false] - do not reduce if the width *or* height are already greater than the specified dimensions, equivalent to GraphicsMagick's `<` geometry option.
* @param {Boolean} [options.fastShrinkOnLoad=true] - take greater advantage of the JPEG and WebP shrink-on-load feature, which can lead to a slight moiré pattern on some images.
* @param {Boolean} [options.fastShrinkOnLoad=true] - take greater advantage of the JPEG and WebP shrink-on-load feature, which can lead to a slight moiré pattern or round-down of an auto-scaled dimension.
* @returns {Sharp}
* @throws {Error} Invalid parameters
*/