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background: transparent;
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color: transparent;
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border: 0px solid #ffffff;
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border: 0px solid #ffffff;
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box-shadow: 0px 0px 0px #000000, 0px 0px 0px #0d0d0d;
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box-shadow: 0px 0px 0px #333333, 0px 0px 0px #404040;
height: 20px;
width: 20px;
border-radius: 20px;
background: #696969;
cursor: pointer;
height: 8px;
}
input[type=range]:focus::-ms-fill-lower {
background: #dc143c;
}
input[type=range]:focus::-ms-fill-upper {
background: #dc143c;
}
/*LAYOUT*/
.box {
display: block;
width: 100%;
}
.box::after {
visibility: hidden;
display: block;
font-size: 0;
content: '';
clear: both;
height: 0;
}
.box > div {
display: inline-block;
width: 50%;
overflow: auto;
float: left;
}
.box > div:nth-child(odd) {
padding-right: .5em;
}
.box > div:nth-child(even) {
padding-left: .5em;
}
/*MEDIA*/
@media only screen and (max-width: 720px) {
body {
padding: 15px;
}
.box > div {
display: block;
width: 100%;
padding: 0 0 !important;
float: none;
}
}
.fullwidth {
width: 100%;
max-width: 500px;
max-height: 800px;
}
#imgFile {
display: none;
}
input[type='text'], input[type='range'] {
width: 100%;
}
h3 > i.fa {
margin-right: .2em;
}
</style></head><body>
<h1>Meme Generator</h1>
<div class="box">
<div>
<div id="canvasWrapper">
</div>
</div>
<div>
<h3><i class="fa fa-picture-o fa-fw" aria-hidden="true"></i>Source Image</h3>
<div class="box">
<div>
<p>From URL</p>
<input id="imgURL" class="block" type="text" placeholder="Link to image" />
<a href="http://memeful.com/" target="_blank">Memeful.com</a>
</div>
<div>
<p>From Local Disk</p>
<input id="imgFile" type="file" accept="image/*"/>
<label for="imgFile" class="btn"><i class="fa fa-upload fa-fw"></i></label>
</div>
</div>
<h3><i class="fa fa-commenting-o fa-fw" aria-hidden="true"></i>Meme Text</h3>
<div class="box">
<div>
<p>Top Text</p>
<input id="textTop" type="text" class="block" placeholder="Top text" />
</div>
<div>
<p>Bottom Text</p>
<input id="textBottom" type="text" class="block" placeholder="Bottom text" />
</div>
</div>
<h3><i class="fa fa-text-height fa-fw" aria-hidden="true"></i>Text Size</h3>
<div class="box">
<div>
<p>Top Text: <span id="textSizeTopOut">10</span></p>
<input id="textSizeTop" type="range" min="2" max="50" step="2" />
</div>
<div>
<p>Bottom Text: <span id="textSizeBottomOut">10</span></p>
<input id="textSizeBottom" type="range" min="2" max="50" step="2" />
</div>
</div>
<div class="box">
<div>
<h3><i class="fa fa-eye fa-fw" aria-hidden="true"></i>Preview Size</h3>
<input id="trueSize" type="checkbox"/>
<label for="trueSize"><span>Show true size</span></label>
</div>
<div>
<h3><i class="fa fa-download fa-fw" aria-hidden="true"></i>Export</h3>
<p>If the button doesn't work, right-click the image and save it</p>
<p>If you are one mobile, download the source image and directly upload it</p>
<button id="export">Export!</button>
</div>
</div>
</div>
</div>
<script src='//production-assets.codepen.io/assets/common/stopExecutionOnTimeout-b2a7b3fe212eaa732349046d8416e00a9dec26eb7fd347590fbced3ab38af52e.js'></script>
<script >// CAN\NVAS.js plugin
// ninivert, december 2016
(function (window, document) {
/**
* CAN\VAS Plugin - Adding line breaks to canvas
* @arg {string} [str=Hello World] - text to be drawn
* @arg {number} [x=0] - top left x coordinate of the text
* @arg {number} [y=textSize] - top left y coordinate of the text
* @arg {number} [w=canvasWidth] - maximum width of drawn text
* @arg {number} [lh=1] - line height
* @arg {number} [method=fill] - text drawing method, if 'none', text will not be rendered
*/
CanvasRenderingContext2D.prototype.drawBreakingText = function (str, x, y, w, lh, method) {
// local variables and defaults
var textSize = parseInt(this.font.replace(/\D/gi, ''));
var textParts = [];
var textPartsNo = 0;
var words = [];
var currLine = '';
var testLine = '';
str = str || '';
x = x || 0;
y = y || 0;
w = w || this.canvas.width;
lh = lh || 1;
method = method || 'fill';
// manual linebreaks
textParts = str.split('\n');
textPartsNo = textParts.length;
// split the words of the parts
for (var i = 0; i < textParts.length; i++) {if (window.CP.shouldStopExecution(1)){break;}
words[i] = textParts[i].split(' ');
}
window.CP.exitedLoop(1);
// now that we have extracted the words
// we reset the textParts
textParts = [];
// calculate recommended line breaks
// split between the words
for (var i = 0; i < textPartsNo; i++) {if (window.CP.shouldStopExecution(3)){break;}
// clear the testline for the next manually broken line
currLine = '';
for (var j = 0; j < words[i].length; j++) {if (window.CP.shouldStopExecution(2)){break;}
testLine = currLine + words[i][j] + ' ';
// check if the testLine is of good width
if (this.measureText(testLine).width > w && j > 0) {
textParts.push(currLine);
currLine = words[i][j] + ' ';
} else {
currLine = testLine;
}
}
window.CP.exitedLoop(2);
// replace is to remove trailing whitespace
textParts.push(currLine);
}
window.CP.exitedLoop(3);
// render the text on the canvas
for (var i = 0; i < textParts.length; i++) {if (window.CP.shouldStopExecution(4)){break;}
if (method === 'fill') {
this.fillText(textParts[i].replace(/((\s*\S+)*)\s*/, '$1'), x, y+(textSize*lh*i));
} else if (method === 'stroke') {
this.strokeText(textParts[i].replace(/((\s*\S+)*)\s*/, '$1'), x, y+(textSize*lh*i));
} else if (method === 'none') {
return {'textParts': textParts, 'textHeight': textSize*lh*textParts.length};
} else {
console.warn('drawBreakingText: ' + method + 'Text() does not exist');
return false;
}
}
window.CP.exitedLoop(4);
return {'textParts': textParts, 'textHeight': textSize*lh*textParts.length};
};
}) (window, document);
var canvas = document.createElement('canvas');
var canvasWrapper = document.getElementById('canvasWrapper');
canvasWrapper.appendChild(canvas);
canvas.width = 500;
canvas.height = 500;
var ctx = canvas.getContext('2d');
var padding = 15;
var textTop = 'i don\'t always make a meme';
var textBottom = 'but when i do, i use ninivert\'s generator';
var textSizeTop = 10;
var textSizeBottom = 10;
var image = document.createElement('img');
image.onload = function (ev) {
// delete and recreate canvas do untaint it
canvas.outerHTML = '';
canvas = document.createElement('canvas');
canvasWrapper.appendChild(canvas);
ctx = canvas.getContext('2d');
document.getElementById('trueSize').click();
document.getElementById('trueSize').click();
draw();
};
document.getElementById('imgURL').oninput = function(ev) {
image.src = this.value;
};
document.getElementById('imgFile').onchange = function(ev) {
var reader = new FileReader();
reader.onload = function(ev) {
image.src = reader.result;
};
reader.readAsDataURL(this.files[0]);
};
document.getElementById('textTop').oninput = function(ev) {
textTop = this.value;
draw();
};
document.getElementById('textBottom').oninput = function(ev) {
textBottom = this.value;
draw();
};
document.getElementById('textSizeTop').oninput = function(ev) {
textSizeTop = parseInt(this.value);
draw();
document.getElementById('textSizeTopOut').innerHTML = this.value;
};
document.getElementById('textSizeBottom').oninput = function(ev) {
textSizeBottom = parseInt(this.value);
draw();
document.getElementById('textSizeBottomOut').innerHTML = this.value;
};
document.getElementById('trueSize').onchange = function(ev) {
if (document.getElementById('trueSize').checked) {
canvas.classList.remove('fullwidth');
} else {
canvas.classList.add('fullwidth');
}
};
document.getElementById('export').onclick = function () {
var img = canvas.toDataURL('image/png');
var link = document.createElement("a");
link.download = 'My Meme';
link.href = img;
link.click();
var win = window.open('', '_blank');
win.document.write('<img style="box-shadow: 0 0 1em 0 dimgrey;" src="' + img + '"/>');
win.document.write('<h1 style="font-family: Helvetica; font-weight: 300">Right Click > Save As<h1>');
win.document.body.style.padding = '1em';
};
function style(font, size, align, base) {
ctx.font = size + 'px ' + font;
ctx.textAlign = align;
ctx.textBaseline = base;
}
function draw() {
// uppercase the text
var top = textTop.toUpperCase();
var bottom = textBottom.toUpperCase();
// set appropriate canvas size
canvas.width = image.width;
canvas.height = image.height;
// draw the image
ctx.drawImage(image, 0, 0, canvas.width, canvas.height);
// styles
ctx.fillStyle = '#fff';
ctx.strokeStyle = '#000';
ctx.lineWidth = canvas.width*0.004;
var _textSizeTop = textSizeTop/100*canvas.width;
var _textSizeBottom = textSizeBottom/100*canvas.width;
// draw top text
style('Impact', _textSizeTop, 'center', 'bottom');
ctx.drawBreakingText(top, canvas.width/2, _textSizeTop+padding, null, 1, 'fill');
ctx.drawBreakingText(top, canvas.width/2, _textSizeTop+padding, null, 1, 'stroke');
// draw bottom text
style('Impact', _textSizeBottom, 'center', 'top');
var height = ctx.drawBreakingText(bottom, 0, 0, null, 1, 'none').textHeight;
console.log(ctx.drawBreakingText(bottom, 0, 0, null, 1, 'none'));
ctx.drawBreakingText(bottom, canvas.width/2, canvas.height-padding-height, null, 1, 'fill');
ctx.drawBreakingText(bottom, canvas.width/2, canvas.height-padding-height, null, 1, 'stroke');
}
image.src = 'https://imgflip.com/s/meme/The-Most-Interesting-Man-In-The-World.jpg';
document.getElementById('textSizeTop').value = textSizeTop;
document.getElementById('textSizeBottom').value = textSizeBottom;
document.getElementById('textSizeTopOut').innerHTML = textSizeTop;
document.getElementById('textSizeBottomOut').innerHTML = textSizeBottom;
//# sourceURL=pen.js
</script>
</body></html>
