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index.html
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<!DOCTYPE html>
<html lang="en-US" prefix="og: http://ogp.me/ns#">
<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width,initial-scale=1">
<title>#SaveASEANSeas</title>
<link rel="apple-touch-icon" sizes="180x180" href="apple-touch-icon.png">
<link rel="icon" type="image/png" href="favicon-32x32.png" sizes="32x32">
<link rel="icon" type="image/png" href="favicon-16x16.png" sizes="16x16">
<link rel="manifest" href="manifest.json">
<link rel="mask-icon" href="safari-pinned-tab.svg" color="#068dba">
<meta name="theme-color" content="#ffffff">
<link rel="stylesheet" href="bower_components/bootstrap/dist/css/bootstrap.min.css">
<link rel="stylesheet" href="bower_components/spectrum/spectrum.css">
<link rel="stylesheet" href="css/style.css">
</head>
<body>
<div class="container">
<div class="row">
<div class="header col-md-12">
<div class="title">
#SaveASEANSeas
</div>
<div class="tagline">
Support us to #SaveASEANSeas
</div>
</div><!-- .header -->
<div class="app col-md-12">
<div class="row">
<div class="col-md-6">
<div class="preview-box widget">
<div class="board">
<div id="preview">
<div class="name gochi-hand"></div>
<div class="image"></div>
</div><!-- #preview -->
</div>
</div><!-- .widget -->
<div class="canvas-preview-box widget">
<div class="board">
<canvas id="canvas-preview300" class="canvas-preview"></canvas>
</div>
</div><!-- .widget -->
<div class="canvas-preview-box widget">
<div class="board">
<canvas id="canvas-preview960" class="canvas-preview"></canvas>
</div>
</div><!-- .widget -->
<div class="recommended-colors clearfix widget">
<div class="title">
Recommended colors
</div>
<div class="colors board">
</div>
</div><!-- .recommended-colors -->
</div><!-- .col-md-6 -->
<div class="col-md-6">
<div class="inputs clearfix widget">
<div class="board">
<div class="input-row">
<span class="input-label">Image: </span>
<div class="upload-btn input-field">
<span>
Choose image
</span>
<input type="file" id="input-upload" value="Choose image" accept="image/*" />
</div>
</div>
<div class="input-row">
<span class="input-label">Name: </span>
<input type="text" id="input-name" name="name" class="input-field" placeholder="Name">
</div>
<div class="input-row">
<span class="input-label">Color: </span>
<input id="colorpicker" class="input-field">
</div>
<div class="input-row">
<span class="input-label">Black name: </span>
<div class="switch input-field">
<input id="black-name" class="cmn-toggle cmn-toggle-round-flat" type="checkbox">
<label for="black-name"></label>
</div><!-- .switch -->
</div>
</div><!-- .board -->
</div><!-- .inputs -->
</div><!-- .col-md-6 -->
</div><!-- .row -->
</div><!-- .app -->
</div><!-- .row -->
</div><!-- .container -->
<script src="bower_components/jquery/dist/jquery.min.js"></script>
<script src="bower_components/spectrum/spectrum.js"></script>
<script src="bower_components/localforage/dist/localforage.min.js"></script>
<script src="js/script.js"></script>
<script>
var appName = '#SaveASEANSeas',
$colorpicker = $('#colorpicker'),
initColor = '#4194e0',
initName = appName,
isDebugMode = true,
dataUriBase64, // original image data
canvasPreview960Id = 'canvas-preview960',
canvas960 = document.getElementById(canvasPreview960Id),
$canvas960 = $('#' + canvasPreview960Id),
ctx960 = canvas960.getContext('2d'),
canvas960Width = 960,
canvas960Height = 960,
canvasPreview300Id = 'canvas-preview300',
canvas300 = document.getElementById(canvasPreview300Id),
$canvas300 = $('#' + canvasPreview300Id),
ctx300 = canvas300.getContext('2d'),
canvas300Width = 300,
canvas300Height = 300,
defaultImagePath = 'images/baby.png';
html = '';
canvas960.width = canvas960Width;
canvas960.height = canvas960Height;
canvas300.width = canvas300Width;
canvas300.height = canvas300Height;
function appLog(msg) {
if (isDebugMode) console.log(msg);
}
function handleImage(e) {
var reader = new FileReader();
reader.onload = function(event) {
var img = new Image(),
imgWidth,
imgHeight;
img.onload = function() {
imgWidth = img.width;
imgHeight = img.height;
// local
var localCanvas = document.createElement('canvas'),
localCtx = localCanvas.getContext('2d');
localCanvas.width = img.width;
localCanvas.height = img.height;
localCtx.drawImage(img, 0, 0);
// global 300
ctx300.clearRect(0, 0, canvas300.width, canvas300.height);
ctx300.drawImage(img, 0, 0, imgWidth, imgHeight, 0, 0, imgWidth, imgHeight);
dataUriBase64 = localCanvas.toDataURL('image/png');
// global 960
ctx960.clearRect(0, 0, canvas960.width, canvas960.height);
ctx960.drawImage(img, 0, 0, imgWidth, imgHeight, 0, 0, imgWidth, imgHeight);
dataUriBase64 = localCanvas.toDataURL('image/png');
Storage.updateImage(dataUriBase64);
Preview.updateImage(dataUriBase64);
}
img.src = event.target.result;
}
reader.readAsDataURL(e.target.files[0]);
}
/**
* Get ImageData
* used for default image only
* used for this app only
*
* @see https://davidwalsh.name/convert-image-data-uri-javascript
* @see http://stackoverflow.com/questions/934012/get-image-data-in-javascript
*
* @param {string} url
* @param {Function} callback callback function
*/
function getImageDataUriBase64(url, cb) {
var image = new Image();
image.onload = function() {
var canvas = document.createElement('canvas'),
ctx = canvas.getContext('2d'),
dataUriBase64;
canvas.width = this.width;
canvas.height = this.height;
ctx.drawImage(this, 0, 0);
dataUriBase64 = canvas.toDataURL('image/png');
if (typeof cb === 'function') cb(dataUriBase64);
};
image.src = url;
image.style.display = 'none';
}
var Storage = {
appPrefix: 'sas-',
storageImageKey: this.appPrefix + 'image',
getImage: function(cb) {
localforage.getItem(this.storageImageKey, function(err, value) {
cb(err, value);
});
},
updateImage: function(dataUriBase64, cb) {
localforage.setItem(this.storageImageKey, dataUriBase64, function(err) {
if (err) appLog(err);
if (typeof cb === 'function') cb();
});
},
};
var Convert = {
base64ToDataUri: function(base64) {
return base64.replace(/^data:image\/(png|jpg);base64,/, '');
},
// http://stackoverflow.com/questions/17591148/converting-data-uri-to-image-data
dataUriToImageData: function(dataUri) {
return new Promise(function(resolve, reject) {
if (dataUri == null) return reject();
var canvas = document.createElement('canvas'),
ctx = canvas.getContext('2d'),
image = new Image();
image.addEventListener('load', function() {
canvas.width = image.width;
canvas.height = image.height;
ctx.drawImage(image, 0, 0, canvas.width, canvas.height);
resolve(ctx.getImageData(0, 0, canvas.width, canvas.height));
}, false);
image.src = dataUri;
});
},
};
var Preview = {
self: this,
recommendedColors: [
'#fdda40',
'#ffef51',
'#fba2b6',
'#fdcff4',
'#fbafed',
'#fd6da0',
'#0bc5ba',
'#88d85d',
'#4cffd7',
'#96fd87',
'#006c54',
'#3e468f',
'#bdfdfc',
'#4194e0',
'#10a2b9',
'#068dba',
'#ff7f2b',
'#ff6f2e',
'#770330',
'#ff3131',
],
$recommendedColorsWidget: $('.recommended-colors'),
$recommendedColors: $('.recommended-colors .colors'),
$preview: $('#preview'),
$previewName: $('#preview .name'),
$previewImage: $('#preview .image'),
$color: $('.recommended-colors .colors .color'),
updateImage: function(dataUriBase64) {
this.$previewImage.css({
'background-image': 'url(' + dataUriBase64 + ')',
});
},
/**
* Update #preview
*
* @param {string} hexCode
*/
updateBackgroundColor: function(hexCode) {
this.$preview.css({
'background-color': hexCode,
});
},
/**
* Update preview name
*
* @param {string} name
*/
updateName: function(name) {
this.$previewName.html(name);
},
updateNameColor: function(hexCode) {
this.$previewName.css({
'color': hexCode,
});
},
// reset to init state
// - remove additional class
resetRecommendedColors: function() {
$('.color').removeClass('active');
},
init: function() {
var self = this;
// render recommended colors
var html = '';
this.recommendedColors.forEach(function(color) {
html += getColorDiv(color);
});
this.$recommendedColors.html(html);
// color
this.$color = $('.recommended-colors .colors .color');
this.$color.on('click', function() {
var hexCode;
// set css class
self.resetRecommendedColors();
$(this).addClass('active');
// set preview
hexCode = $(this).data('hex-code');
updateAllBackgroundColor(hexCode);
});
}
};
var CanvasPreview = {
updateBackgroundImage: function(hexCode) {
this.render();
},
render: function() {
},
};
var Inputs = {
$inputUpload: $('input#input-upload').first(),
$inputName: $('input[name=name]').first(),
$inputBlackNameCheckbox: $('input#black-name').first(),
/**
* Update input name
*
* @param {string} name
*/
updateName: function(name) {
this.$inputName.val(name);
},
init: function() {
// image
this.$inputUpload.on('change', handleImage);
// name
this.$inputName.keyup(function() {
var name = $(this).val();
Preview.updateName(name);
});
// black name
this.$inputBlackNameCheckbox.change(function() {
var hexCode = ($(this).is(':checked')) ? '#000000' : '#ffffff';
Preview.updateNameColor(hexCode);
});
},
};
/**
* This function will set all previews with hexCode
*/
function updateAllBackgroundColor(hexCode) {
Preview.updateBackgroundColor(hexCode);
CanvasPreview.updateBackgroundImage(hexCode);
$colorpicker.spectrum('set', hexCode);
}
/**
* This function will set all previews with hexCode
*
* @param {string} name
*/
function updateAllNames(name) {
Preview.updateName(name);
Inputs.updateName(name);
}
function getColorDiv(hexCode) {
return '<div class="color" style="background-color: ' + hexCode + ';" data-hex-code="' + hexCode + '"></div>';
}
$(function() {
if (isDebugMode) {
$canvas960.addClass('show');
$canvas300.addClass('show');
}
// setup input - color
$colorpicker.spectrum({
color: initColor,
move: function(color) {
var hexCode = color.toHexString();
Preview.updateBackgroundColor(hexCode);
Preview.resetRecommendedColors();
}
});
Preview.init();
Inputs.init();
Storage.getImage(function(err, value) {
// http://stackoverflow.com/questions/4773966/drawing-an-image-from-a-data-url-to-a-canvas
var img = new Image();
if (value) {
dataUriBase64 = value;
// TODO: refactor
img.src = dataUriBase64;
ctx960.drawImage(img, 0, 0, img.width, img.height);
ctx300.drawImage(img, 0, 0, img.width, img.height);
Preview.updateImage(dataUriBase64);
} else {
// load default image instead
getImageDataUriBase64(defaultImagePath, function(base64) {
dataUriBase64 = base64;
// TODO: refactor
img.src = dataUriBase64;
ctx960.drawImage(img, 0, 0, img.width, img.height);
ctx300.drawImage(img, 0, 0, img.width, img.height);
Preview.updateImage(dataUriBase64);
// save
Storage.updateImage(dataUriBase64);
});
}
});
updateAllBackgroundColor(initColor);
updateAllNames(initName);
});
</script>
</body>
</html>