1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
|
// Module for array conversion
SVG.Array = function(array, fallback) {
array = (array || []).valueOf()
// if array is empty and fallback is provided, use fallback
if (array.length == 0 && fallback)
array = fallback.valueOf()
// parse array
this.value = this.parse(array)
}
SVG.extend(SVG.Array, {
// Make array morphable
morph: function(array) {
this.destination = this.parse(array)
// normalize length of arrays
if (this.value.length != this.destination.length) {
var lastValue = this.value[this.value.length - 1]
, lastDestination = this.destination[this.destination.length - 1]
while(this.value.length > this.destination.length)
this.destination.push(lastDestination)
while(this.value.length < this.destination.length)
this.value.push(lastValue)
}
return this
}
// Clean up any duplicate points
, settle: function() {
// find all unique values
for (var i = 0, il = this.value.length, seen = []; i < il; i++)
if (seen.indexOf(this.value[i]) == -1)
seen.push(this.value[i])
// set new value
return this.value = seen
}
// Get morphed array at given position
, at: function(pos) {
// make sure a destination is defined
if (!this.destination) return this
// generate morphed array
for (var i = 0, il = this.value.length, array = []; i < il; i++)
array.push(this.value[i] + (this.destination[i] - this.value[i]) * pos)
return new SVG.Array(array)
}
// Convert array to string
, toString: function() {
return this.value.join(' ')
}
// Real value
, valueOf: function() {
return this.value
}
// Parse whitespace separated string
, parse: function(array) {
array = array.valueOf()
// if already is an array, no need to parse it
if (Array.isArray(array)) return array
return this.split(array)
}
// Strip unnecessary whitespace
, split: function(string) {
return string.trim().split(/[\s,]+/).map(parseFloat)
}
// Reverse array
, reverse: function() {
this.value.reverse()
return this
}
, clone: function() {
var clone = new this.constructor()
clone.value = array_clone(this.value)
return clone
}
})
|
