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SVG.Image = SVG.invent({
// Initialize node
create: 'image'
// Inherit from
, inherit: SVG.Shape
// Add class methods
, extend: {
// (re)load image
load: function(url) {
if (!url) return this
var self = this
, img = document.createElement('img')
// preload image
img.onload = function() {
var p = self.parent(SVG.Pattern)
// ensure image size
if (self.width() == 0 && self.height() == 0)
self.size(img.width, img.height)
// ensure pattern size if not set
if (p && p.width() == 0 && p.height() == 0)
p.size(self.width(), self.height())
// callback
if (typeof self._loaded === 'function')
self._loaded.call(self, {
width: img.width
, height: img.height
, ratio: img.width / img.height
, url: url
})
}
return this.attr('href', (img.src = this.src = url), SVG.xlink)
}
// Add loaded callback
, loaded: function(loaded) {
this._loaded = loaded
return this
}
}
// Add parent method
, construct: {
// create image element, load image and set its size
image: function(source, width, height) {
return this.put(new SVG.Image).load(source).size(width || 0, height || width || 0)
}
}
})
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