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// Convert dash-separated-string to camelCase
function camelCase(s) {
return s.toLowerCase().replace(/-(.)/g, function(m, g) {
return g.toUpperCase()
})
}
// Capitalize first letter of a string
function capitalize(s) {
return s.charAt(0).toUpperCase() + s.slice(1)
}
// Ensure to six-based hex
function fullHex(hex) {
return hex.length == 4 ?
[ '#',
hex.substring(1, 2), hex.substring(1, 2)
, hex.substring(2, 3), hex.substring(2, 3)
, hex.substring(3, 4), hex.substring(3, 4)
].join('') : hex
}
// Component to hex value
function compToHex(comp) {
var hex = comp.toString(16)
return hex.length == 1 ? '0' + hex : hex
}
// Calculate proportional width and height values when necessary
function proportionalSize(box, width, height) {
if (width == null || height == null) {
if (height == null)
height = box.height / box.width * width
else if (width == null)
width = box.width / box.height * height
}
return {
width: width
, height: height
}
}
// Delta transform point
function deltaTransformPoint(matrix, x, y) {
return {
x: x * matrix.a + y * matrix.c + 0
, y: x * matrix.b + y * matrix.d + 0
}
}
// Map matrix array to object
function arrayToMatrix(a) {
return { a: a[0], b: a[1], c: a[2], d: a[3], e: a[4], f: a[5] }
}
// Calculate position according to from and to
function at(o, pos) {
/* number recalculation (don't bother converting to SVG.Number for performance reasons) */
return typeof o.from == 'number' ?
o.from + (o.to - o.from) * pos :
/* instance recalculation */
o instanceof SVG.Color || o instanceof SVG.Number ? o.at(pos) :
/* for all other values wait until pos has reached 1 to return the final value */
pos < 1 ? o.from : o.to
}
// PathArray Helpers
function arrayToString(a) {
for (var i = 0, il = a.length, s = ''; i < il; i++) {
s += a[i][0]
if (a[i][1] != null) {
s += a[i][1]
if (a[i][2] != null) {
s += ' '
s += a[i][2]
if (a[i][3] != null) {
s += ' '
s += a[i][3]
s += ' '
s += a[i][4]
if (a[i][5] != null) {
s += ' '
s += a[i][5]
s += ' '
s += a[i][6]
if (a[i][7] != null) {
s += ' '
s += a[i][7]
}
}
}
}
}
}
return s + ' '
}
// Deep new id assignment
function assignNewId(node) {
// Do the same for SVG child nodes as well
for (var i = node.childNodes.length - 1; i >= 0; i--)
if (node.childNodes[i] instanceof SVGElement)
assignNewId(node.childNodes[i])
return SVG.adopt(node).id(SVG.eid(node.nodeName))
}
// Add more bounding box properties
function fullBox(b) {
b.x2 = b.x + b.width
b.y2 = b.y + b.height
b.cx = b.x + b.width / 2
b.cy = b.y + b.height / 2
return b
}
// Get id from reference string
function idFromReference(url) {
var m = url.toString().match(SVG.regex.reference)
if (m) return m[1]
}
// Create matrix array for looping
var abcdef = 'abcdef'.split('')
// Shim layer with setTimeout fallback by Paul Irish
window.requestAnimFrame = (function(){
return window.requestAnimationFrame ||
window.webkitRequestAnimationFrame ||
window.mozRequestAnimationFrame ||
window.msRequestAnimationFrame ||
function (c) { window.setTimeout(c, 1000 / 60) }
})()
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