split-images is a simple package that allows you to split an image to chunksthe chunks are returned as an Array (Array of buffers) of the image type provided.
Image paths, urls and buffers can be used, supported image types are jpeg, png, bmp, tiff and gif.
npm i split-images --save
Node >= 7.10
imageToChunks(image,chunkSize)
Splits the image horizontaly depending of the chunkSize
image can be a path, a url or a bufferchunkSize the height in pixels each chunk will be
returnsArray<Buffer>
Read from a local file
const fs = require('fs');const { imageToChunks } = require('split-images');(async()=> {try { const chunckSize = 1000; const chuncks = await imageToChunks('imgs/test.png',chunckSize); console.log('Number of chunks', chuncks.length); let i = 0; chuncks.forEach(c => { i++; fs.writeFileSync(`slice_${i}.png`,c); });} catch (e) { console.log(e);}})();
Read from a url
const fs = require('fs');const { imageToChunks } = require('split-images');(async()=> {try { const chunckSize = 1000; const chuncks = await imageToChunks('http://example.com/images/test.png',chunckSize); console.log('Number of chunks', chuncks.length); let i = 0; chuncks.forEach(c => { i++; fs.writeFileSync(`slice_${i}.png`,c); });} catch (e) { console.log(e);}})();