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SVG.ClipPath = SVG.invent({
// Initialize node
create: function() {
this.constructor.call(this, SVG.create('clipPath'))
// keep references to clipped elements
this.targets = []
}
// Inherit from
, inherit: SVG.Container
// Add class methods
, extend: {
// Unclip all clipped elements and remove itself
remove: function() {
// unclip all targets
for (var i = this.targets.length - 1; i >= 0; i--)
if (this.targets[i])
this.targets[i].unclip()
this.targets = []
// remove clipPath from parent
this.parent().removeElement(this)
return this
}
}
// Add parent method
, construct: {
// Create clipping element
clip: function() {
return this.defs().put(new SVG.ClipPath)
}
}
})
//
SVG.extend(SVG.Element, {
// Distribute clipPath to svg element
clipWith: function(element) {
// use given clip or create a new one
this.clipper = element instanceof SVG.ClipPath ? element : this.parent().clip().add(element)
// store reverence on self in mask
this.clipper.targets.push(this)
// apply mask
return this.attr('clip-path', 'url("#' + this.clipper.attr('id') + '")')
}
// Unclip element
, unclip: function() {
delete this.clipper
return this.attr('clip-path', null)
}
})
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