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core_demo.html
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core_demo.html
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<!doctype html>
<html>
<head>
<title>Literally Canvas</title>
<link href="/lib/css/literallycanvas.css" rel="stylesheet">
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, user-scalable=no" />
<style type="text/css">
body {
font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
margin: 0;
background-color: gray;
height: 2000px;
}
.fs-container {
width: 1000px;
margin: 50px;
}
.literally {
width: 100%;
height: 100%;
}
.literally img.background, .literally > canvas {
position: absolute;
}
.toolset {
margin: 1rem;
}
.tool {
background: hsla(199, 26%, 44%, 0.5);
padding: 0.25rem;
margin: 0.25rem;
border-radius: 0.25rem;
color: #000;
text-align: center;
text-decoration: none;
position: relative; // give after context later
}
.tool.current {
color: #fff;
background: hsla(199, 26%, 44%, 1);
}
.tool:hover {
text-decoration: underline;
background: hsla(199, 26%, 44%, 0.75);
}
.toolLabel {
font-size: 1.25rem;
}
#tools-sizes.disabled {
pointer-events: none;
}
#tools-sizes.disabled .tool:after {
content: ' ';
background: hsla(0, 100%, 100%, 0.75);
position: absolute;
top: 0;
right: 0;
bottom: 0;
left: 0;
border-radius: 0.25rem;
}
</style>
</head>
<body>
<div class="fs-container">
<div class="literally"></div>
<div class="toolset">
<span class='toolLabel'>Actions:</span>
<a href="javascript:void(0);" class='tool' id="open-image">Open image</a>
<a href="javascript:void(0);" class='tool' id="change-size">Change size</a>
<a href="javascript:void(0);" class='tool' id="reset-size">Reset size</a>
<a href="javascript:void(0);" class='tool' id="hide-lc">Teardown</a>
<a href="javascript:void(0);" class='tool' id="show-lc">Setup</a>
<a href="javascript:void(0);" class='tool' id="clear-lc">Clear</a>
<a href="javascript:void(0);" class='tool' id="undo-lc">Undo</a>
<a href="javascript:void(0);" class='tool' id="redo-lc">Redo</a>
</div>
<div class="toolset">
<span class='toolLabel'>Tools:</span>
<a href="javascript:void(0);" class='tool' id="tool-pencil">Pencil</a>
<a href="javascript:void(0);" class='tool' id="tool-eraser">Eraser</a>
<a href="javascript:void(0);" class='tool' id="tool-text">Text</a>
<a href="javascript:void(0);" class='tool' id="tool-line">Line</a>
<a href="javascript:void(0);" class='tool' id="tool-arrow">Arrow</a>
<a href="javascript:void(0);" class='tool' id="tool-dashed">Dashed Line</a>
<a href="javascript:void(0);" class='tool' id="tool-ellipse">Ellipse</a>
<a href="javascript:void(0);" class='tool' id="tool-rectangle">Rectangle</a>
<a href="javascript:void(0);" class='tool' id="tool-polygon">Polygon</a>
<a href="javascript:void(0);" class='tool' id="tool-select">Select</a>
</div>
<!-- SIZES WON'T WORK UNTIL SIZE EVENT PR IS MERGED! -->
<!-- <div class="toolset" id="tools-sizes">
<span class='toolLabel'>Sizes:</span>
<a href="javascript:void(0);" class='tool' id="sizeTool-1">Small</a>
<a href="javascript:void(0);" class='tool' id="sizeTool-2">Medium</a>
<a href="javascript:void(0);" class='tool' id="sizeTool-3">Large</a>
</div> -->
<div class="toolset" id="tools-colors">
<span class='toolLabel'>Colors:</span>
<a href="javascript:void(0);" class='tool' id="colorTool-black">Black</a>
<a href="javascript:void(0);" class='tool' id="colorTool-blue">Blue</a>
<a href="javascript:void(0);" class='tool' id="colorTool-red">Red</a>
</div>
<br>
<div class="svg-container"
style="display: inline-block; border: 1px solid yellow"></div>
</div>
<script src="/demo/jquery-1.8.2.js"></script>
<script src="/demo/fastclick.js"></script>
<script src="/lib/js/literallycanvas-core.js"></script>
<script type="text/javascript">
var lc = null;
var tools;
var strokeWidths;
var colors;
var setCurrentByName;
var findByName;
var updateSVG = function() {
if (!lc) return;
$('.svg-container')[0].innerHTML = lc.getSVGString();
}
var backgroundImage = new Image();
window.debugImage = backgroundImage;
LC.util.addImageOnload(backgroundImage, updateSVG);
backgroundImage.src = '/demo/bear.png';
var watermarkImage = new Image();
watermarkImage.src = '/demo/watermark.png';
// the only LC-specific thing we have to do
var containerOne = document.getElementsByClassName('literally')[0];
var showLC = function() {
// disable scrolling on touch devices so we can actually draw
$(document).bind('touchmove', function(e) {
if (e.target === document.documentElement) {
return e.preventDefault();
}
});
lc = LC.init(containerOne, {
snapshot: JSON.parse(localStorage.getItem('drawing')),
defaultStrokeWidth: 10,
strokeWidths: [10, 20, 50],
secondaryColor: 'transparent',
backgroundShapes: [
LC.createShape(
'Image', {image: backgroundImage, x: 100, y: 100, scale: 2}),
LC.createShape(
'Rectangle',
{x: 0, y: 0, width: 100, height: 100, strokeColor: '#000'})
],
});
window.demoLC = lc;
lc.setWatermarkImage(watermarkImage);
var save = function() {
localStorage.setItem('drawing', JSON.stringify(lc.getSnapshot()));
updateSVG();
}
lc.on('drawingChange', save);
lc.on('pan', save);
lc.on('zoom', save);
$("#open-image").click(function() {
window.open(lc.getImage({
scale: 1, margin: {top: 10, right: 10, bottom: 10, left: 10}
}).toDataURL());
});
$("#change-size").click(function() {
lc.setImageSize(null, 200);
});
$("#reset-size").click(function() {
lc.setImageSize(null, null);
});
$("#clear-lc").click(function() {
lc.clear();
});
$("#undo-lc").click(function() {
lc.undo();
});
$("#redo-lc").click(function() {
lc.redo();
});
// Set up our own tools...
tools = [
{
name: 'pencil',
el: document.getElementById('tool-pencil'),
tool: new LC.tools.Pencil(lc)
},{
name: 'eraser',
el: document.getElementById('tool-eraser'),
tool: new LC.tools.Eraser(lc)
},{
name: 'text',
el: document.getElementById('tool-text'),
tool: new LC.tools.Text(lc)
},{
name: 'line',
el: document.getElementById('tool-line'),
tool: new LC.tools.Line(lc)
},{
name: 'arrow',
el: document.getElementById('tool-arrow'),
tool: function() {
arrow = new LC.tools.Line(lc);
arrow.hasEndArrow = true;
return arrow;
}()
},{
name: 'dashed',
el: document.getElementById('tool-dashed'),
tool: function() {
dashed = new LC.tools.Line(lc);
dashed.isDashed = true;
return dashed;
}()
},{
name: 'ellipse',
el: document.getElementById('tool-ellipse'),
tool: new LC.tools.Ellipse(lc)
},{
name: 'tool-rectangle',
el: document.getElementById('tool-rectangle'),
tool: new LC.tools.Rectangle(lc)
},{
name: 'tool-polygon',
el: document.getElementById('tool-polygon'),
tool: new LC.tools.Polygon(lc)
},{
name: 'tool-select',
el: document.getElementById('tool-select'),
tool: new LC.tools.SelectShape(lc)
}
];
strokeWidths = [
{
name: 10,
el: document.getElementById('sizeTool-1'),
size: 10
},{
name: 20,
el: document.getElementById('sizeTool-2'),
size: 20
},{
name: 50,
el: document.getElementById('sizeTool-3'),
size: 50
}
];
colors = [
{
name: 'black',
el: document.getElementById('colorTool-black'),
color: '#000000'
},{
name: 'blue',
el: document.getElementById('colorTool-blue'),
color: '#0000ff'
},{
name: 'red',
el: document.getElementById('colorTool-red'),
color: '#ff0000'
}
];
setCurrentByName = function(ary, val) {
ary.forEach(function(i) {
$(i.el).toggleClass('current', (i.name == val));
});
};
findByName = function(ary, val) {
var vals;
vals = ary.filter(function(v){
return v.name == val;
});
if ( vals.length == 0 )
return null;
else
return vals[0];
};
// Wire tools
tools.forEach(function(t) {
$(t.el).click(function() {
var sw;
lc.setTool(t.tool);
setCurrentByName(tools, t.name);
setCurrentByName(strokeWidths, t.tool.strokeWidth);
$('#tools-sizes').toggleClass('disabled', (t.name == 'text'));
});
});
setCurrentByName(tools, tools[0].name);
// Wire Stroke Widths
// NOTE: This will not work until the stroke width PR is merged...
strokeWidths.forEach(function(sw) {
$(sw.el).click(function() {
lc.trigger('setStrokeWidth', sw.size);
setCurrentByName(strokeWidths, sw.name);
})
})
setCurrentByName(strokeWidths, strokeWidths[0].name);
// Wire Colors
colors.forEach(function(clr) {
$(clr.el).click(function() {
lc.setColor('primary', clr.color)
setCurrentByName(colors, clr.name);
})
})
setCurrentByName(colors, colors[0].name);
updateSVG();
};
$(document).ready(function() {
// disable scrolling on touch devices so we can actually draw
$(document).bind('touchmove', function(e) {
if (e.target === document.documentElement) {
return e.preventDefault();
}
});
showLC();
});
$('#hide-lc').click(function() {
if (lc) {
lc.teardown();
lc = null;
}
});
$('#show-lc').click(function() {
if (!lc) { showLC(); }
});
</script>
<script src="//localhost:35728/livereload.js"></script>
</body>
</html>