55 lines
1.3 KiB
Markdown
55 lines
1.3 KiB
Markdown
<div align="center">
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<img width="200" height="200"
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src="https://s3.amazonaws.com/pix.iemoji.com/images/emoji/apple/ios-11/256/crayon.png">
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<h1>@jimp/plugin-cover</h1>
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</div>
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Scale the image so the given width and height keeping the aspect ratio. Some parts of the image may be clipped.
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## Usage
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- @param {number} w the width to resize the image to
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- @param {number} h the height to resize the image to
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- @param {number} alignBits (optional) A bitmask for horizontal and vertical alignment
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- @param {string} mode (optional) a scaling method (e.g. Jimp.RESIZE_BEZIER)
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- @param {function(Error, Jimp)} cb (optional) a callback for when complete
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```js
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import jimp from 'jimp';
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async function main() {
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const image = await jimp.read('test/image.png');
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image.cover(150, 100);
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}
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main();
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```
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### Align modes
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The following constants can be passed to `image.cover`:
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```js
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Jimp.HORIZONTAL_ALIGN_LEFT;
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Jimp.HORIZONTAL_ALIGN_CENTER;
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Jimp.HORIZONTAL_ALIGN_RIGHT;
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Jimp.VERTICAL_ALIGN_TOP;
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Jimp.VERTICAL_ALIGN_MIDDLE;
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Jimp.VERTICAL_ALIGN_BOTTOM;
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```
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For example:
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```js
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image.cover(250, 250, Jimp.HORIZONTAL_ALIGN_LEFT | Jimp.VERTICAL_ALIGN_TOP);
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image.cover(250, 250, Jimp.HORIZONTAL_ALIGN_RIGHT | Jimp.VERTICAL_ALIGN_BOTTOM);
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```
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Default align mode for `image.cover` is:
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```js
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Jimp.HORIZONTAL_ALIGN_CENTER | Jimp.VERTICAL_ALIGN_MIDDLE;
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```
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