Created by
Aidan Harding
| save : function(component, file) {
const fileReader = new FileReader();
const helper = this;
fileReader.onload = $A.getCallback(function() {
const img = document.createElement('img');
const canvas = document.createElement('canvas');
img.src = fileReader.result;
img.onload = $A.getCallback(function () {
canvas.width = img.width/2;
canvas.height = img.height/2;
canvas.getContext("2d").drawImage(img, 0, 0, canvas.width, canvas.height);
let fileContents = canvas.toDataURL('image/jpeg', 0.9);
const base64Mark = 'base64,';
const dataStart = fileContents.indexOf(base64Mark) + base64Mark.length;
fileContents = fileContents.substring(dataStart);
helper.upload(component, file, fileContents);
});
});
fileReader.readAsDataURL(file);
}
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