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/*jshint esversion:6,browser:true,devel: true*/
document.addEventListener('DOMContentLoaded', function () {
const canvas = document.getElementById('meme');
const canvasBtnDownload = document.getElementById('btn-download');
const canvasBtnGenerate = document.getElementById('btn-generate');
const canvasLine1 = document.getElementById('line1');
const canvasLine2 = document.getElementById('line2');
const canvasPic = document.getElementById('img');
const canvasBg = document.getElementById('color');
const ctx = canvas.getContext('2d');
const jsMemeBg = function (color) {
ctx.fillStyle = color;
ctx.fillRect(0, 0, canvas.width, canvas.height);
};
const jsMemeGenerate = function () {
const imageObj = new Image();
let X, Y, sourceWidth, sourceHeight, destWidth, destHeight;
imageObj.src = canvasPic.value;
X = Y = 10;
sourceWidth = imageObj.width;
sourceHeight = imageObj.height;
destWidth = sourceWidth - 10;
destHeight = sourceHeight - 100;
ctx.drawImage(imageObj, X, Y, sourceWidth, sourceHeight, X, Y, destWidth, destHeight);
ctx.font = "35px Arial";
ctx.fillStyle = '#fff';
ctx.textAlign = "center";
ctx.fillText(canvasLine1.value.toUpperCase(), canvas.width / 2, canvas.height - 55);
ctx.font = "25px Arial";
ctx.fillText(canvasLine2.value.toUpperCase(), canvas.width / 2, canvas.height - 15);
};
jsMemeBg('#000');
canvasBg.addEventListener('change', function () {
jsMemeBg(canvasBg.value);
jsMemeGenerate();
});
canvasBtnGenerate.addEventListener('click', function () {
jsMemeGenerate();
});
canvasBtnDownload.addEventListener('click', function () {
canvasBtnDownload.href = canvas.toDataURL();
},false);
});