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/* global proportionalSize */
SVG.Circle = SVG.invent({
// Initialize node
create: 'circle',
// Inherit from
inherit: SVG.Shape,
// Add parent method
construct: {
// Create circle element, based on ellipse
circle: function (size) {
return this.put(new SVG.Circle()).rx(new SVG.Number(size).divide(2)).move(0, 0)
}
}
})
SVG.extend([SVG.Circle, SVG.Timeline], {
// Radius x value
rx: function (rx) {
return this.attr('r', rx)
},
// Alias radius x value
ry: function (ry) {
return this.rx(ry)
}
})
SVG.Ellipse = SVG.invent({
// Initialize node
create: 'ellipse',
// Inherit from
inherit: SVG.Shape,
// Add parent method
construct: {
// Create an ellipse
ellipse: function (width, height) {
return this.put(new SVG.Ellipse()).size(width, height).move(0, 0)
}
}
})
SVG.extend([SVG.Ellipse, SVG.Rect, SVG.Timeline], {
// Radius x value
rx: function (rx) {
return this.attr('rx', rx)
},
// Radius y value
ry: function (ry) {
return this.attr('ry', ry)
}
})
// Add common method
SVG.extend([SVG.Circle, SVG.Ellipse], {
// Move over x-axis
x: function (x) {
return x == null ? this.cx() - this.rx() : this.cx(x + this.rx())
},
// Move over y-axis
y: function (y) {
return y == null ? this.cy() - this.ry() : this.cy(y + this.ry())
},
// Move by center over x-axis
cx: function (x) {
return x == null ? this.attr('cx') : this.attr('cx', x)
},
// Move by center over y-axis
cy: function (y) {
return y == null ? this.attr('cy') : this.attr('cy', y)
},
// Set width of element
width: function (width) {
return width == null ? this.rx() * 2 : this.rx(new SVG.Number(width).divide(2))
},
// Set height of element
height: function (height) {
return height == null ? this.ry() * 2 : this.ry(new SVG.Number(height).divide(2))
},
// Custom size function
size: function (width, height) {
var p = proportionalSize(this, width, height)
return this
.rx(new SVG.Number(p.width).divide(2))
.ry(new SVG.Number(p.height).divide(2))
}
})
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