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The "JavaScript Image Manipulation Program" :-) #JIMP #Node #JavaScript
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| // npm install --save jimp | |
| var Jimp = require("jimp"); | |
| // Example usage (Promise will never resolve if callback is passed): | |
| // open a file called "lenna.png" | |
| Jimp.read("lenna.png", (err, lenna) => { | |
| if (err) throw err; | |
| lenna | |
| .resize(256, 256) // resize | |
| .quality(60) // set JPEG quality | |
| .greyscale() // set greyscale | |
| .write("lena-small-bw.jpg"); // save | |
| }); | |
| // Using promises: | |
| Jimp.read("lenna.png") | |
| .then((lenna) => { | |
| return lenna | |
| .resize(256, 256) // resize | |
| .quality(60) // set JPEG quality | |
| .greyscale() // set greyscale | |
| .write("lena-small-bw.jpg"); // save | |
| }) | |
| .catch((err) => { | |
| console.error(err); | |
| }); | |
| // Basic Usage | |
| Jimp.read("./path/to/image.jpg") | |
| .then((image) => { | |
| // Do stuff with the image. | |
| }) | |
| .catch((err) => { | |
| // Handle an exception. | |
| }); | |
| Jimp.read("http://www.example.com/path/to/lenna.jpg") | |
| .then((image) => { | |
| // Do stuff with the image. | |
| }) | |
| .catch((err) => { | |
| // Handle an exception. | |
| }); | |
| Jimp.read(jimpInstance) | |
| .then((image) => { | |
| // Do stuff with the image. | |
| }) | |
| .catch((err) => { | |
| // Handle an exception. | |
| }); | |
| Jimp.read(buffer) | |
| .then((image) => { | |
| // Do stuff with the image. | |
| }) | |
| .catch((err) => { | |
| // Handle an exception. | |
| }); |
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