thedesk/app/node_modules/@jimp/plugin-crop/README.md
2019-09-12 23:38:13 +09:00

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<img width="200" height="200"
src="https://s3.amazonaws.com/pix.iemoji.com/images/emoji/apple/ios-11/256/crayon.png">
<h1>@jimp/plugin-crop</h1>
<p>Crop an image.</p>
</div>
## Crop
Crops the image at a given point to a give size
- @param {number} x the x coordinate to crop form
- @param {number} y the y coordinate to crop form
- @param w the width of the crop region
- @param h the height of the crop region
- @param {function(Error, Jimp)} cb (optional) a callback for when complete
```js
import jimp from 'jimp';
async function main() {
const image = await jimp.read('test/image.png');
image.crop(150, 150);
}
main();
```
## AutoCrop
AutoCrop same color borders from this image
- @param {number} tolerance (optional): a percent value of tolerance for pixels color difference (default: 0.0002%)
- @param {boolean} cropOnlyFrames (optional): flag to crop only real frames: all 4 sides of the image must have some border (default: true)
or
- @param {object} options object
- tolerance (optional): a percent value of tolerance for pixels color difference (default: 0.0002%)
- cropOnlyFrames (optional): flag to crop only real frames: all 4 sides of the image must have some border (default: true)
- cropSymmetric (optional): flag to force cropping top be symmetric. north and south / east and west are cropped by the same value
- leaveBorder (optional): integer of how many pixels of the background color to leave around the image
```js
import jimp from 'jimp';
async function main() {
const image = await jimp.read('test/image.png');
image.autocrop();
image.autocrop({ cropOnlyFrames: false, cropSymmetric: true });
}
main();
```