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// The main wrapping element
var SVG = this.SVG = function(element) {
if (SVG.supported) {
element = new SVG.Doc(element)
if (!SVG.parser)
SVG.prepare(element)
return element
}
}
// Default namespaces
SVG.ns = 'http://www.w3.org/2000/svg'
SVG.xmlns = 'http://www.w3.org/2000/xmlns/'
SVG.xlink = 'http://www.w3.org/1999/xlink'
// Element id sequence
SVG.did = 1000
// Get next named element id
SVG.eid = function(name) {
return 'Svgjs' + name.charAt(0).toUpperCase() + name.slice(1) + (SVG.did++)
}
// Method for element creation
SVG.create = function(name) {
/* create element */
var element = document.createElementNS(this.ns, name)
/* apply unique id */
element.setAttribute('id', this.eid(name))
return element
}
// Method for extending objects
SVG.extend = function() {
var modules, methods, key, i
/* get list of modules */
modules = [].slice.call(arguments)
/* get object with extensions */
methods = modules.pop()
for (i = modules.length - 1; i >= 0; i--)
if (modules[i])
for (key in methods)
modules[i].prototype[key] = methods[key]
/* make sure SVG.Set inherits any newly added methods */
if (SVG.Set && SVG.Set.inherit)
SVG.Set.inherit()
}
// Initialize parsing element
SVG.prepare = function(element) {
/* select document body and create invisible svg element */
var body = document.getElementsByTagName('body')[0]
, draw = (body ? new SVG.Doc(body) : element.nested()).size(2, 0)
, path = SVG.create('path')
/* insert parsers */
draw.node.appendChild(path)
/* create parser object */
SVG.parser = {
body: body || element.parent()
, draw: draw.style('opacity:0;position:fixed;left:100%;top:100%;overflow:hidden')
, poly: draw.polyline().node
, path: path
}
}
// svg support test
SVG.supported = (function() {
return !! document.createElementNS &&
!! document.createElementNS(SVG.ns,'svg').createSVGRect
})()
if (!SVG.supported) return false
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