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// Define list of available attributes for stroke and fill
var sugar = {
stroke: ['color', 'width', 'opacity', 'linecap', 'linejoin', 'miterlimit', 'dasharray', 'dashoffset']
, fill: ['color', 'opacity', 'rule']
, prefix: function(t, a) {
return a == 'color' ? t : t + '-' + a
}
}
/* Add sugar for fill and stroke */
;['fill', 'stroke'].forEach(function(m) {
var i, extension = {}
extension[m] = function(o) {
if (typeof o == 'string' || SVG.Color.isRgb(o) || (o && typeof o.fill === 'function'))
this.attr(m, o)
else
/* set all attributes from sugar.fill and sugar.stroke list */
for (i = sugar[m].length - 1; i >= 0; i--)
if (o[sugar[m][i]] != null)
this.attr(sugar.prefix(m, sugar[m][i]), o[sugar[m][i]])
return this
}
SVG.extend(SVG.Element, SVG.FX, extension)
})
SVG.extend(SVG.Element, SVG.FX, {
// Rotation
rotate: function(deg, x, y) {
return this.transform({
rotation: deg || 0
, cx: x
, cy: y
})
}
// Skew
, skew: function(x, y) {
return this.transform({
skewX: x || 0
, skewY: y || 0
})
}
// Scale
, scale: function(x, y) {
return this.transform({
scaleX: x
, scaleY: y == null ? x : y
})
}
// Translate
, translate: function(x, y) {
return this.transform({
x: x
, y: y
})
}
// Matrix
, matrix: function(m) {
return this.transform({ matrix: m })
}
// Opacity
, opacity: function(value) {
return this.attr('opacity', value)
}
})
SVG.extend(SVG.Rect, SVG.Ellipse, SVG.FX, {
// Add x and y radius
radius: function(x, y) {
return this.attr({ rx: x, ry: y || x })
}
})
SVG.extend(SVG.Path, {
// Get path length
length: function() {
return this.node.getTotalLength()
}
// Get point at length
, pointAt: function(length) {
return this.node.getPointAtLength(length)
}
})
SVG.extend(SVG.Text, SVG.FX, {
// Set font
font: function(o) {
for (var k in o)
k == 'leading' ?
this.leading(o[k]) :
k == 'anchor' ?
this.attr('text-anchor', o[k]) :
k == 'size' || k == 'family' || k == 'weight' || k == 'stretch' || k == 'variant' || k == 'style' ?
this.attr('font-'+ k, o[k]) :
this.attr(k, o[k])
return this
}
})
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