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lqs469/XmasHat.html

Created December 25, 2017 08:13
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give your a Chirstmas hat
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XmasHat.html
<!DOCTYPE html>
<html lang='en'>
<head>
<meta charset='UTF-8'>
<meta name='viewport' content='width=device-width,maximum-scale=1.0,minimum-scale=1.0'>
<meta http-equiv='X-UA-Compatible' content='ie=edge'>
<title>X'mas Hat</title>
<style>
body {
font-size: 20px;
text-align: center;
margin: 0;
}
label {
position: fixed;
bottom: 0;
left: 0;
font-size: 10px;
}
.header {
color: #108757;
height: 3rem;
}
#cvs {
display: none;
margin: 0 auto;
}
.canvas-container {
margin: 0 auto;
}
.hide, #exportBtn {
display: none;
}
.body {
margin: 4rem auto 3rem;
height: 10rem;
width: 10rem;
border: solid 1px #aaa;
box-shadow: 0 0 5px #aaa;
border-radius: 1rem;
line-height: 10rem;
position: relative;
}
#export {
display: none;
margin: 0 auto;
width: 250px;
height: 250px;
}
.footer {
display: flex;
justify-content: space-around;
}
button {
font-size: 18px;
color: #fff;
padding: 0 30px;
height: 2.3rem;
background: #8fd16f;
border: 0;
border-radius: 20px;
}
</style>
</head>
<body>
<div class='header'>
<h2>Marry X'mas</h2>
</div>
<div class='body' id='uploadContainer'>
<small id='uploadText'>Upload</small>
<input id='upload' type='file' onchange='viewer()' style='height: 10rem; width: 10rem; position: absolute; top: 0; left: 0; opacity: 0'>
</div>
<img id='export' alt='marry christmas' src='' />
<canvas id='cvs'></canvas>
<p id='tip' style='opacity: 0'>Click hat to set position and size</p>
<div class='footer'>
<button id='change' onClick='changeHat()' style='display: none;'>Next hat</button>
<button id='exportBtn' onClick='exportFunc()'>Export portrait</button>
</div>
<label> 💻 with ❤️ by <a href='https://github.com/lqs469/X-mas-hat'>lqs469</a></label>
<div style='display: none'>
<img id='img' src='' alt='' />
<img class='hide' id='hat0' src='./hat0.png' />
<img class='hide' id='hat1' src='./hat1.png' />
<img class='hide' id='hat2' src='./hat2.png' />
<img class='hide' id='hat3' src='./hat3.png' />
<img class='hide' id='hat4' src='./hat4.png' />
<img class='hide' id='hat5' src='./hat5.png' />
<img class='hide' id='hat6' src='./hat6.png' />
<img class='hide' id='hat7' src='./hat7.png' />
<img class='hide' id='hat8' src='./hat8.png' />
<img class='hide' id='hat9' src='./hat9.png' />
</div>
<script src="https://cdn.bootcss.com/fabric.js/2.0.0-rc.3/fabric.min.js"></script>
<script>
var cvs = document.getElementById("cvs");
var ctx = cvs.getContext("2d");
var exportImage = document.getElementById("export");
var img = document.getElementById("img");
var hat = "hat6";
var canvasFabric;
var hatInstance;
var screenWidth = window.screen.width < 500 ? window.screen.width : 300;
function viewer() {
var file = document.getElementById("upload").files[0];
console.log(file);
var reader = new FileReader;
if (file) {
reader.readAsDataURL(file);
reader.onload = function(e) {
img.src = reader.result;
img.onload = function() {
img2Cvs(img)
}
}
} else {
img.src = ""
}
}
function img2Cvs(img) {
cvs.width = img.width;
cvs.height = img.height;
cvs.style.display = "block";
canvasFabric = new fabric.Canvas("cvs", {
width: screenWidth,
height: screenWidth,
backgroundImage: new fabric.Image(img, {
scaleX: screenWidth / img.width,
scaleY: screenWidth / img.height
})
});
changeHat();
document.getElementById("uploadContainer").style.display = "none";
document.getElementById("uploadText").style.display = "none";
document.getElementById("upload").style.display = "none";
document.getElementById("change").style.display = "block";
document.getElementById("exportBtn").style.display = "block";
document.getElementById("tip").style.opacity = 1
}
function changeHat() {
document.getElementById(hat).style.display = "none";
var hats = document.getElementsByClassName("hide");
hat = "hat" + (+hat.replace("hat", "") + 1) % hats.length;
var hatImage = document.getElementById(hat);
hatImage.style.display = "block";
if (hatInstance) {
canvasFabric.remove(hatInstance)
}
hatInstance = new fabric.Image(hatImage, {
top: 40,
left: screenWidth / 3,
scaleX: 100 / hatImage.width,
scaleY: 100 / hatImage.height,
cornerColor: "#0b3a42",
cornerStrokeColor: "#fff",
cornerStyle: "circle",
transparentCorners: false,
rotatingPointOffset: 30
});
hatInstance.setControlVisible("bl", false);
hatInstance.setControlVisible("tr", false);
hatInstance.setControlVisible("tl", false);
hatInstance.setControlVisible("mr", false);
hatInstance.setControlVisible("mt", false);
canvasFabric.add(hatInstance)
}
function exportFunc() {
document.getElementsByClassName("canvas-container")[0].style.display = "none";
document.getElementById("exportBtn").style.display = "none";
document.getElementById("tip").innerHTML = "Hold to share or save";
document.getElementById("change").style.display = "none";
cvs.style.display = "none";
exportImage.style.display = "block";
exportImage.src = canvasFabric.toDataURL({
width: screenWidth,
height: screenWidth
})
}
</script>
</body>
</html>
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