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// define list of available attributes for stroke and fill
var _strokeAttr = ['width', 'opacity', 'linecap', 'linejoin', 'miterlimit', 'dasharray', 'dashoffset'],
_fillAttr = ['opacity', 'rule'];
// Add shape-specific functions
SVG.extend(SVG.Shape, {
// set fill color and opacity
fill: function(f) {
var i;
// set fill color if not null
if (f.color != null)
this.attr('fill', f.color);
// set all attributes from _fillAttr list with prependes 'fill-' if not null
for (i = _fillAttr.length - 1; i >= 0; i--)
if (f[_fillAttr[i]] != null)
this.attr('fill-' + _fillAttr[i], f[_fillAttr[i]]);
return this;
},
// set stroke color and opacity
stroke: function(s) {
var i;
// set stroke color if not null
if (s.color)
this.attr('stroke', s.color);
// set all attributes from _strokeAttr list with prependes 'stroke-' if not null
for (i = _strokeAttr.length - 1; i >= 0; i--)
if (s[_strokeAttr[i]] != null)
this.attr('stroke-' + _strokeAttr[i], s[_strokeAttr[i]]);
return this;
}
});
// Add element-specific functions
SVG.extend(SVG.Element, {
// rotation
rotate: function(d, x, y) {
var b = this.bbox();
return this.transform({
rotation: d || 0,
cx: x == null ? b.cx : x,
cy: y == null ? b.cx : y
});
},
// skew
skew: function(x, y) {
return this.transform({
skewX: x || 0,
skewY: y || 0
});
}
});
// Add group-specific functions
SVG.extend(SVG.G, {
// move using translate
move: function(x, y) {
return this.transform({ x: x, y: y });
}
});
// Add text-specific functions
SVG.extend(SVG.Text, {
// set font
font: function(o) {
var k, a = {};
for (k in o)
k == 'leading' ?
a[k] = o[k] :
k == 'anchor' ?
a['text-anchor'] = o[k] :
_styleAttr.indexOf(k) > -1 ?
a['font-'+ k] = o[k] :
void 0;
return this.attr(a).text(this.content);
}
});
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