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SVG.G = SVG.invent({
// Initialize node
create: 'g'
// Inherit from
, inherit: SVG.Container
// Add class methods
, extend: {
// Move over x-axis
x: function(x) {
return x == null ? this.transform('x') : this.transform({ x: x - this.x() }, true)
}
// Move over y-axis
, y: function(y) {
return y == null ? this.transform('y') : this.transform({ y: y - this.y() }, true)
}
// Move by center over x-axis
, cx: function(x) {
return x == null ? this.tbox().cx : this.x(x - this.tbox().width / 2)
}
// Move by center over y-axis
, cy: function(y) {
return y == null ? this.tbox().cy : this.y(y - this.tbox().height / 2)
}
, gbox: function() {
var bbox = this.bbox()
, trans = this.transform()
bbox.x += trans.x
bbox.x2 += trans.x
bbox.cx += trans.x
bbox.y += trans.y
bbox.y2 += trans.y
bbox.cy += trans.y
return bbox
}
}
// Add parent method
, construct: {
// Create a group element
group: function() {
return this.put(new SVG.G)
}
}
})
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