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scripts.js
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scripts.js
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let fileInput = document.getElementById('image-input');
var canvas = document.getElementById('meme-canvas');
var ctx = canvas.getContext('2d');
let generateBtn = document.getElementById('generate-btn');
let topTextInput = document.getElementById('top-text');
let bottomTextInput = document.getElementById('bottom-text');
fileInput.addEventListener('change', function (ev) {
console.log("hi");
console.log(ev.target); // logs uploaded files
if (ev.target.files) {
let file = ev.target.files[0];
console.log(file); // we only accept one file, the first one
var reader = new FileReader();
reader.onload = function (e) {
var image = new Image();
image.src = e.target.result;
console.log(image);
console.log(e.target);
image.onload = function () {
console.log("loading");
// var canvas = document.getElementById('meme-canvas');
canvas.width = image.width;
canvas.height = image.height;
// var ctx = canvas.getContext('2d');
ctx.drawImage(image, 0, 0);
}
}
reader.readAsDataURL(file);
}
})
function captionMeme(topText, bottomText) {
let fontSize;
ctx.fillStyle = 'white';
ctx.strokeStyle = 'black';
ctx.textAlign = 'center';
fontSize = canvas.width / 15;
ctx.font = fontSize + 'px Arial';
ctx.lineWidth = 2;
// draw top text
ctx.textBaseline = 'top';
topText.split('\n').forEach(function (t, i) {
ctx.fillText(t, canvas.width / 2, i * fontSize, canvas.width);
ctx.strokeText(t, canvas.width / 2, i * fontSize, canvas.width);
});
// bottom text font size
fontSize = canvas.width / 15;
ctx.font = fontSize + 'px Arial';
ctx.lineWidth = 2;
ctx.textBaseline = 'bottom';
bottomText.split('\n').reverse().forEach(function (t, i) {
ctx.fillText(t, canvas.width / 2, canvas.height - i * fontSize, canvas.width);
ctx.strokeText(t, canvas.width / 2, canvas.height - i * fontSize, canvas.width);
});
}
generateBtn.addEventListener('click', function (e) {
e.preventDefault();
captionMeme(topTextInput.value, bottomTextInput.value);
});