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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 extension = {}
var i
extension[m] = function (o) {
if (typeof o === 'undefined') {
return this
}
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.Timeline], extension)
})
SVG.extend([SVG.Element, SVG.Timeline], {
// Let the user set the matrix directly
matrix: function (mat, b, c, d, e, f) {
// Act as a getter
if (mat == null) {
return new SVG.Matrix(this)
}
// Act as a setter, the user can pass a matrix or a set of numbers
return this.attr('transform', new SVG.Matrix(mat, b, c, d, e, f))
},
// Map rotation to transform
rotate: function (angle, cx, cy) {
return this.transform({rotate: angle, ox: cx, oy: cy}, true)
},
// Map skew to transform
skew: function (x, y, cx, cy) {
return arguments.length === 1 || arguments.length === 3
? this.transform({skew: x, ox: y, oy: cx}, true)
: this.transform({skew: [x, y], ox: cx, oy: cy}, true)
},
shear: function (lam, cx, cy) {
return this.transform({shear: lam, ox: cx, oy: cy}, true)
},
// Map scale to transform
scale: function (x, y, cx, cy) {
return arguments.length === 1 || arguments.length === 3
? this.transform({ scale: x, ox: y, oy: cx }, true)
: this.transform({ scale: [x, y], ox: cx, oy: cy }, true)
},
// Map translate to transform
translate: function (x, y) {
return this.transform({ translate: [x, y] }, true)
},
// Map relative translations to transform
relative: function (x, y) {
return this.transform({ relative: [x, y] }, true)
},
// Map flip to transform
flip: function (direction, around) {
var directionString = typeof direction === 'string' ? direction
: isFinite(direction) ? 'both'
: 'both'
var origin = (direction === 'both' && isFinite(around)) ? [around, around]
: (direction === 'x') ? [around, 0]
: (direction === 'y') ? [0, around]
: isFinite(direction) ? [direction, direction]
: [0, 0]
this.transform({flip: directionString, origin: origin}, true)
},
// Opacity
opacity: function (value) {
return this.attr('opacity', value)
},
// Relative move over x axis
dx: function (x) {
return this.x(new SVG.Number(x).plus(this instanceof SVG.Timeline ? 0 : this.x()), true)
},
// Relative move over y axis
dy: function (y) {
return this.y(new SVG.Number(y).plus(this instanceof SVG.Timeline ? 0 : this.y()), true)
},
// Relative move over x and y axes
dmove: function (x, y) {
return this.dx(x).dy(y)
}
})
SVG.extend([SVG.Rect, SVG.Ellipse, SVG.Circle, SVG.Gradient, SVG.Timeline], {
// Add x and y radius
radius: function (x, y) {
var type = (this._target || this).type
return type === 'radialGradient' || type === 'radialGradient'
? this.attr('r', new SVG.Number(x))
: this.rx(x).ry(y == null ? x : y)
}
})
SVG.extend(SVG.Path, {
// Get path length
length: function () {
return this.node.getTotalLength()
},
// Get point at length
pointAt: function (length) {
return new SVG.Point(this.node.getPointAtLength(length))
}
})
SVG.extend([SVG.Parent, SVG.Text, SVG.Tspan, SVG.Timeline], {
// Set font
font: function (a, v) {
if (typeof a === 'object') {
for (v in a) this.font(v, a[v])
}
return a === 'leading'
? this.leading(v)
: a === 'anchor'
? this.attr('text-anchor', v)
: a === 'size' || a === 'family' || a === 'weight' || a === 'stretch' || a === 'variant' || a === 'style'
? this.attr('font-' + a, v)
: this.attr(a, v)
}
})
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