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SVG.extend(SVG.Element, SVG.FX, {
// Add transformations
transform: function(o) {
// get target in case of the fx module, otherwise reference this
var target = this.target || this
// full getter
if (o == null)
return target.ctm().extract()
// singular getter
else if (typeof o === 'string')
return target.ctm().extract()[o]
// get current matrix
var matrix = new SVG.Matrix(target)
// act on matrix
if (o.a != null)
matrix = matrix.multiply(new SVG.Matrix(o))
// act on rotate
else if (o.rotation)
matrix = matrix.rotate(
o.rotation
, o.cx == null ? target.bbox().cx : o.cx
, o.cy == null ? target.bbox().cy : o.cy
)
// act on scale
else if (o.scale != null || o.scaleX != null || o.scaleY != null)
matrix = matrix.scale(
o.scale != null ? o.scale : o.scaleX != null ? o.scaleX : 1
, o.scale != null ? o.scale : o.scaleY != null ? o.scaleY : 1
, o.cx == null ? target.bbox().x : o.cx
, o.cy == null ? target.bbox().y : o.cy
)
// act on skew
else if (o.skewX || o.skewY)
matrix = matrix.skew(
o.skewX
, o.skewY
, o.cx == null ? target.bbox().cx : o.cx
, o.cy == null ? target.bbox().cy : o.cy
)
// act on flip
else if (o.flip)
matrix = matrix.flip(
o.flip
, o.offset == null ? target.bbox()['c' + o.flip] : o.offset
)
// act on translate
else if (o.x || o.y)
matrix = matrix.translate(o.x, o.y)
return this.attr('transform', matrix)
}
})
SVG.extend(SVG.Element, {
// Reset all transformations
untransform: function() {
return this.attr('transform', null)
}
})
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