diff options
Diffstat (limited to 'dist')
| -rw-r--r-- | dist/svg.js | 5320 | ||||
| -rw-r--r-- | dist/svg.min.js | 2 |
2 files changed, 5322 insertions, 0 deletions
diff --git a/dist/svg.js b/dist/svg.js new file mode 100644 index 0000000..71d39a6 --- /dev/null +++ b/dist/svg.js @@ -0,0 +1,5320 @@ +/*! +* svg.js - A lightweight library for manipulating and animating SVG. +* @version 2.3.4 +* http://www.svgjs.com +* +* @copyright Wout Fierens <wout@woutfierens.com> +* @license MIT +* +* BUILT: Tue Oct 04 2016 13:44:15 GMT+0200 (CEST) +*/ +(function(root, factory) { + if (typeof define === 'function' && define.amd) { + define(function(){ + return factory(root, root.document) + }) + } else if (typeof exports === 'object') { + module.exports = root.document ? factory(root, root.document) : function(w){ return factory(w, w.document) } + } else { + root.SVG = factory(root, root.document) + } +}(typeof window !== "undefined" ? window : this, function(window, document) { + +// The main wrapping element +var SVG = this.SVG = function(element) { + if (SVG.supported) { + element = new SVG.Doc(element) + + if(!SVG.parser.draw) + SVG.prepare() + + return element + } +} + +// Default namespaces +SVG.ns = 'http://www.w3.org/2000/svg' +SVG.xmlns = 'http://www.w3.org/2000/xmlns/' +SVG.xlink = 'http://www.w3.org/1999/xlink' +SVG.svgjs = 'http://svgjs.com/svgjs' + +// Svg support test +SVG.supported = (function() { + return !! document.createElementNS && + !! document.createElementNS(SVG.ns,'svg').createSVGRect +})() + +// Don't bother to continue if SVG is not supported +if (!SVG.supported) return false + +// Element id sequence +SVG.did = 1000 + +// Get next named element id +SVG.eid = function(name) { + return 'Svgjs' + capitalize(name) + (SVG.did++) +} + +// Method for element creation +SVG.create = function(name) { + // create element + var element = document.createElementNS(this.ns, name) + + // apply unique id + element.setAttribute('id', this.eid(name)) + + return element +} + +// Method for extending objects +SVG.extend = function() { + var modules, methods, key, i + + // Get list of modules + modules = [].slice.call(arguments) + + // Get object with extensions + methods = modules.pop() + + for (i = modules.length - 1; i >= 0; i--) + if (modules[i]) + for (key in methods) + modules[i].prototype[key] = methods[key] + + // Make sure SVG.Set inherits any newly added methods + if (SVG.Set && SVG.Set.inherit) + SVG.Set.inherit() +} + +// Invent new element +SVG.invent = function(config) { + // Create element initializer + var initializer = typeof config.create == 'function' ? + config.create : + function() { + this.constructor.call(this, SVG.create(config.create)) + } + + // Inherit prototype + if (config.inherit) + initializer.prototype = new config.inherit + + // Extend with methods + if (config.extend) + SVG.extend(initializer, config.extend) + + // Attach construct method to parent + if (config.construct) + SVG.extend(config.parent || SVG.Container, config.construct) + + return initializer +} + +// Adopt existing svg elements +SVG.adopt = function(node) { + // check for presence of node + if (!node) return null + + // make sure a node isn't already adopted + if (node.instance) return node.instance + + // initialize variables + var element + + // adopt with element-specific settings + if (node.nodeName == 'svg') + element = node.parentNode instanceof SVGElement ? new SVG.Nested : new SVG.Doc + else if (node.nodeName == 'linearGradient') + element = new SVG.Gradient('linear') + else if (node.nodeName == 'radialGradient') + element = new SVG.Gradient('radial') + else if (SVG[capitalize(node.nodeName)]) + element = new SVG[capitalize(node.nodeName)] + else + element = new SVG.Element(node) + + // ensure references + element.type = node.nodeName + element.node = node + node.instance = element + + // SVG.Class specific preparations + if (element instanceof SVG.Doc) + element.namespace().defs() + + // pull svgjs data from the dom (getAttributeNS doesn't work in html5) + element.setData(JSON.parse(node.getAttribute('svgjs:data')) || {}) + + return element +} + +// Initialize parsing element +SVG.prepare = function() { + // Select document body and create invisible svg element + var body = document.getElementsByTagName('body')[0] + , draw = (body ? new SVG.Doc(body) : new SVG.Doc(document.documentElement).nested()).size(2, 0) + + // Create parser object + SVG.parser = { + body: body || document.documentElement + , draw: draw.style('opacity:0;position:fixed;left:100%;top:100%;overflow:hidden') + , poly: draw.polyline().node + , path: draw.path().node + , native: SVG.create('svg') + } +} + +SVG.parser = { + native: SVG.create('svg') +} + +document.addEventListener('DOMContentLoaded', function() { + if(!SVG.parser.draw) + SVG.prepare() +}, false) + +// Storage for regular expressions +SVG.regex = { + // Parse unit value + numberAndUnit: /^([+-]?(\d+(\.\d*)?|\.\d+)(e[+-]?\d+)?)([a-z%]*)$/i + + // Parse hex value +, hex: /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i + + // Parse rgb value +, rgb: /rgb\((\d+),(\d+),(\d+)\)/ + + // Parse reference id +, reference: /#([a-z0-9\-_]+)/i + + // Parse matrix wrapper +, matrix: /matrix\(|\)/g + + // Elements of a matrix +, matrixElements: /,*\s+|,/ + + // Whitespace +, whitespace: /\s/g + + // Test hex value +, isHex: /^#[a-f0-9]{3,6}$/i + + // Test rgb value +, isRgb: /^rgb\(/ + + // Test css declaration +, isCss: /[^:]+:[^;]+;?/ + + // Test for blank string +, isBlank: /^(\s+)?$/ + + // Test for numeric string +, isNumber: /^[+-]?(\d+(\.\d*)?|\.\d+)(e[+-]?\d+)?$/i + + // Test for percent value +, isPercent: /^-?[\d\.]+%$/ + + // Test for image url +, isImage: /\.(jpg|jpeg|png|gif|svg)(\?[^=]+.*)?/i + + // The following regex are used to parse the d attribute of a path + + // Replaces all negative exponents +, negExp: /e\-/gi + + // Replaces all comma +, comma: /,/g + + // Replaces all hyphens +, hyphen: /\-/g + + // Replaces and tests for all path letters +, pathLetters: /[MLHVCSQTAZ]/gi + + // yes we need this one, too +, isPathLetter: /[MLHVCSQTAZ]/i + + // split at whitespaces +, whitespaces: /\s+/ + + // matches X +, X: /X/g +} + +SVG.utils = { + // Map function + map: function(array, block) { + var i + , il = array.length + , result = [] + + for (i = 0; i < il; i++) + result.push(block(array[i])) + + return result + } + + // Filter function +, filter: function(array, block) { + var i + , il = array.length + , result = [] + + for (i = 0; i < il; i++) + if (block(array[i])) + result.push(array[i]) + + return result + } + + // Degrees to radians +, radians: function(d) { + return d % 360 * Math.PI / 180 + } + + // Radians to degrees +, degrees: function(r) { + return r * 180 / Math.PI % 360 + } + +, filterSVGElements: function(nodes) { + return this.filter( nodes, function(el) { return el instanceof SVGElement }) + } + +} + +SVG.defaults = { + // Default attribute values + attrs: { + // fill and stroke + 'fill-opacity': 1 + , 'stroke-opacity': 1 + , 'stroke-width': 0 + , 'stroke-linejoin': 'miter' + , 'stroke-linecap': 'butt' + , fill: '#000000' + , stroke: '#000000' + , opacity: 1 + // position + , x: 0 + , y: 0 + , cx: 0 + , cy: 0 + // size + , width: 0 + , height: 0 + // radius + , r: 0 + , rx: 0 + , ry: 0 + // gradient + , offset: 0 + , 'stop-opacity': 1 + , 'stop-color': '#000000' + // text + , 'font-size': 16 + , 'font-family': 'Helvetica, Arial, sans-serif' + , 'text-anchor': 'start' + } + +} +// Module for color convertions +SVG.Color = function(color) { + var match + + // initialize defaults + this.r = 0 + this.g = 0 + this.b = 0 + + if(!color) return + + // parse color + if (typeof color === 'string') { + if (SVG.regex.isRgb.test(color)) { + // get rgb values + match = SVG.regex.rgb.exec(color.replace(/\s/g,'')) + + // parse numeric values + this.r = parseInt(match[1]) + this.g = parseInt(match[2]) + this.b = parseInt(match[3]) + + } else if (SVG.regex.isHex.test(color)) { + // get hex values + match = SVG.regex.hex.exec(fullHex(color)) + + // parse numeric values + this.r = parseInt(match[1], 16) + this.g = parseInt(match[2], 16) + this.b = parseInt(match[3], 16) + + } + + } else if (typeof color === 'object') { + this.r = color.r + this.g = color.g + this.b = color.b + + } + +} + +SVG.extend(SVG.Color, { + // Default to hex conversion + toString: function() { + return this.toHex() + } + // Build hex value +, toHex: function() { + return '#' + + compToHex(this.r) + + compToHex(this.g) + + compToHex(this.b) + } + // Build rgb value +, toRgb: function() { + return 'rgb(' + [this.r, this.g, this.b].join() + ')' + } + // Calculate true brightness +, brightness: function() { + return (this.r / 255 * 0.30) + + (this.g / 255 * 0.59) + + (this.b / 255 * 0.11) + } + // Make color morphable +, morph: function(color) { + this.destination = new SVG.Color(color) + + return this + } + // Get morphed color at given position +, at: function(pos) { + // make sure a destination is defined + if (!this.destination) return this + + // normalise pos + pos = pos < 0 ? 0 : pos > 1 ? 1 : pos + + // generate morphed color + return new SVG.Color({ + r: ~~(this.r + (this.destination.r - this.r) * pos) + , g: ~~(this.g + (this.destination.g - this.g) * pos) + , b: ~~(this.b + (this.destination.b - this.b) * pos) + }) + } + +}) + +// Testers + +// Test if given value is a color string +SVG.Color.test = function(color) { + color += '' + return SVG.regex.isHex.test(color) + || SVG.regex.isRgb.test(color) +} + +// Test if given value is a rgb object +SVG.Color.isRgb = function(color) { + return color && typeof color.r == 'number' + && typeof color.g == 'number' + && typeof color.b == 'number' +} + +// Test if given value is a color +SVG.Color.isColor = function(color) { + return SVG.Color.isRgb(color) || SVG.Color.test(color) +} +// 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+/) + } + // Reverse array +, reverse: function() { + this.value.reverse() + + return this + } + +}) +// Poly points array +SVG.PointArray = function(array, fallback) { + this.constructor.call(this, array, fallback || [[0,0]]) +} + +// Inherit from SVG.Array +SVG.PointArray.prototype = new SVG.Array + +SVG.extend(SVG.PointArray, { + // Convert array to string + toString: function() { + // convert to a poly point string + for (var i = 0, il = this.value.length, array = []; i < il; i++) + array.push(this.value[i].join(',')) + + return array.join(' ') + } + // Convert array to line object +, toLine: function() { + return { + x1: this.value[0][0] + , y1: this.value[0][1] + , x2: this.value[1][0] + , y2: this.value[1][1] + } + } + // Get morphed array at given position +, at: function(pos) { + // make sure a destination is defined + if (!this.destination) return this + + // generate morphed point string + for (var i = 0, il = this.value.length, array = []; i < il; i++) + array.push([ + this.value[i][0] + (this.destination[i][0] - this.value[i][0]) * pos + , this.value[i][1] + (this.destination[i][1] - this.value[i][1]) * pos + ]) + + return new SVG.PointArray(array) + } + // Parse point string +, parse: function(array) { + array = array.valueOf() + + // if already is an array, no need to parse it + if (Array.isArray(array)) return array + + // split points + array = this.split(array) + + // parse points + for (var i = 0, il = array.length, p, points = []; i < il; i++) { + p = array[i].split(',') + points.push([parseFloat(p[0]), parseFloat(p[1])]) + } + + return points + } + // Move point string +, move: function(x, y) { + var box = this.bbox() + + // get relative offset + x -= box.x + y -= box.y + + // move every point + if (!isNaN(x) && !isNaN(y)) + for (var i = this.value.length - 1; i >= 0; i--) + this.value[i] = [this.value[i][0] + x, this.value[i][1] + y] + + return this + } + // Resize poly string +, size: function(width, height) { + var i, box = this.bbox() + + // recalculate position of all points according to new size + for (i = this.value.length - 1; i >= 0; i--) { + this.value[i][0] = ((this.value[i][0] - box.x) * width) / box.width + box.x + this.value[i][1] = ((this.value[i][1] - box.y) * height) / box.height + box.y + } + + return this + } + // Get bounding box of points +, bbox: function() { + SVG.parser.poly.setAttribute('points', this.toString()) + + return SVG.parser.poly.getBBox() + } + +}) +// Path points array +SVG.PathArray = function(array, fallback) { + this.constructor.call(this, array, fallback || [['M', 0, 0]]) +} + +// Inherit from SVG.Array +SVG.PathArray.prototype = new SVG.Array + +SVG.extend(SVG.PathArray, { + // Convert array to string + toString: function() { + return arrayToString(this.value) + } + // Move path string +, move: function(x, y) { + // get bounding box of current situation + var box = this.bbox() + + // get relative offset + x -= box.x + y -= box.y + + if (!isNaN(x) && !isNaN(y)) { + // move every point + for (var l, i = this.value.length - 1; i >= 0; i--) { + l = this.value[i][0] + + if (l == 'M' || l == 'L' || l == 'T') { + this.value[i][1] += x + this.value[i][2] += y + + } else if (l == 'H') { + this.value[i][1] += x + + } else if (l == 'V') { + this.value[i][1] += y + + } else if (l == 'C' || l == 'S' || l == 'Q') { + this.value[i][1] += x + this.value[i][2] += y + this.value[i][3] += x + this.value[i][4] += y + + if (l == 'C') { + this.value[i][5] += x + this.value[i][6] += y + } + + } else if (l == 'A') { + this.value[i][6] += x + this.value[i][7] += y + } + + } + } + + return this + } + // Resize path string +, size: function(width, height) { + // get bounding box of current situation + var i, l, box = this.bbox() + + // recalculate position of all points according to new size + for (i = this.value.length - 1; i >= 0; i--) { + l = this.value[i][0] + + if (l == 'M' || l == 'L' || l == 'T') { + this.value[i][1] = ((this.value[i][1] - box.x) * width) / box.width + box.x + this.value[i][2] = ((this.value[i][2] - box.y) * height) / box.height + box.y + + } else if (l == 'H') { + this.value[i][1] = ((this.value[i][1] - box.x) * width) / box.width + box.x + + } else if (l == 'V') { + this.value[i][1] = ((this.value[i][1] - box.y) * height) / box.height + box.y + + } else if (l == 'C' || l == 'S' || l == 'Q') { + this.value[i][1] = ((this.value[i][1] - box.x) * width) / box.width + box.x + this.value[i][2] = ((this.value[i][2] - box.y) * height) / box.height + box.y + this.value[i][3] = ((this.value[i][3] - box.x) * width) / box.width + box.x + this.value[i][4] = ((this.value[i][4] - box.y) * height) / box.height + box.y + + if (l == 'C') { + this.value[i][5] = ((this.value[i][5] - box.x) * width) / box.width + box.x + this.value[i][6] = ((this.value[i][6] - box.y) * height) / box.height + box.y + } + + } else if (l == 'A') { + // resize radii + this.value[i][1] = (this.value[i][1] * width) / box.width + this.value[i][2] = (this.value[i][2] * height) / box.height + + // move position values + this.value[i][6] = ((this.value[i][6] - box.x) * width) / box.width + box.x + this.value[i][7] = ((this.value[i][7] - box.y) * height) / box.height + box.y + } + + } + + return this + } + // Absolutize and parse path to array +, parse: function(array) { + // if it's already a patharray, no need to parse it + if (array instanceof SVG.PathArray) return array.valueOf() + + // prepare for parsing + var i, x0, y0, s, seg, arr + , x = 0 + , y = 0 + , paramCnt = { 'M':2, 'L':2, 'H':1, 'V':1, 'C':6, 'S':4, 'Q':4, 'T':2, 'A':7 } + + if(typeof array == 'string'){ + + array = array + .replace(SVG.regex.negExp, 'X') // replace all negative exponents with certain char + .replace(SVG.regex.pathLetters, ' $& ') // put some room between letters and numbers + .replace(SVG.regex.hyphen, ' -') // add space before hyphen + .replace(SVG.regex.comma, ' ') // unify all spaces + .replace(SVG.regex.X, 'e-') // add back the expoent + .trim() // trim + .split(SVG.regex.whitespaces) // split into array + + // at this place there could be parts like ['3.124.854.32'] because we could not determine the point as seperator till now + // we fix this elements in the next loop + for(i = array.length; --i;){ + if(array[i].indexOf('.') != array[i].lastIndexOf('.')){ + var split = array[i].split('.') // split at the point + var first = [split.shift(), split.shift()].join('.') // join the first number together + array.splice.apply(array, [i, 1].concat(first, split.map(function(el){ return '.'+el }))) // add first and all other entries back to array + } + } + + }else{ + array = array.reduce(function(prev, curr){ + return [].concat.apply(prev, curr) + }, []) + } + + // array now is an array containing all parts of a path e.g. ['M', '0', '0', 'L', '30', '30' ...] + + var arr = [] + + do{ + + // Test if we have a path letter + if(SVG.regex.isPathLetter.test(array[0])){ + s = array[0] + array.shift() + // If last letter was a move command and we got no new, it defaults to [L]ine + }else if(s == 'M'){ + s = 'L' + }else if(s == 'm'){ + s = 'l' + } + + // add path letter as first element + seg = [s.toUpperCase()] + + // push all necessary parameters to segment + for(i = 0; i < paramCnt[seg[0]]; ++i){ + seg.push(parseFloat(array.shift())) + } + + // upper case + if(s == seg[0]){ + + if(s == 'M' || s == 'L' || s == 'C' || s == 'Q' || s == 'S' || s == 'T'){ + x = seg[paramCnt[seg[0]]-1] + y = seg[paramCnt[seg[0]]] + }else if(s == 'V'){ + y = seg[1] + }else if(s == 'H'){ + x = seg[1] + }else if(s == 'A'){ + x = seg[6] + y = seg[7] + } + + // lower case + }else{ + + // convert relative to absolute values + if(s == 'm' || s == 'l' || s == 'c' || s == 's' || s == 'q' || s == 't'){ + + seg[1] += x + seg[2] += y + + if(seg[3] != null){ + seg[3] += x + seg[4] += y + } + + if(seg[5] != null){ + seg[5] += x + seg[6] += y + } + + // move pointer + x = seg[paramCnt[seg[0]]-1] + y = seg[paramCnt[seg[0]]] + + }else if(s == 'v'){ + seg[1] += y + y = seg[1] + }else if(s == 'h'){ + seg[1] += x + x = seg[1] + }else if(s == 'a'){ + seg[6] += x + seg[7] += y + x = seg[6] + y = seg[7] + } + + } + + if(seg[0] == 'M'){ + x0 = x + y0 = y + } + + if(seg[0] == 'Z'){ + x = x0 + y = y0 + } + + arr.push(seg) + + }while(array.length) + + return arr + + } + // Get bounding box of path +, bbox: function() { + SVG.parser.path.setAttribute('d', this.toString()) + + return SVG.parser.path.getBBox() + } + +}) +// Module for unit convertions +SVG.Number = SVG.invent({ + // Initialize + create: function(value, unit) { + // initialize defaults + this.value = 0 + this.unit = unit || '' + + // parse value + if (typeof value === 'number') { + // ensure a valid numeric value + this.value = isNaN(value) ? 0 : !isFinite(value) ? (value < 0 ? -3.4e+38 : +3.4e+38) : value + + } else if (typeof value === 'string') { + unit = value.match(SVG.regex.numberAndUnit) + + if (unit) { + // make value numeric + this.value = parseFloat(unit[1]) + + // normalize + if (unit[5] == '%') + this.value /= 100 + else if (unit[5] == 's') + this.value *= 1000 + + // store unit + this.unit = unit[5] + } + + } else { + if (value instanceof SVG.Number) { + this.value = value.valueOf() + this.unit = value.unit + } + } + + } + // Add methods +, extend: { + // Stringalize + toString: function() { + return ( + this.unit == '%' ? + ~~(this.value * 1e8) / 1e6: + this.unit == 's' ? + this.value / 1e3 : + this.value + ) + this.unit + } + , toJSON: function() { + return this.toString() + } + , // Convert to primitive + valueOf: function() { + return this.value + } + // Add number + , plus: function(number) { + return new SVG.Number(this + new SVG.Number(number), this.unit) + } + // Subtract number + , minus: function(number) { + return this.plus(-new SVG.Number(number)) + } + // Multiply number + , times: function(number) { + return new SVG.Number(this * new SVG.Number(number), this.unit) + } + // Divide number + , divide: function(number) { + return new SVG.Number(this / new SVG.Number(number), this.unit) + } + // Convert to different unit + , to: function(unit) { + var number = new SVG.Number(this) + + if (typeof unit === 'string') + number.unit = unit + + return number + } + // Make number morphable + , morph: function(number) { + this.destination = new SVG.Number(number) + + return this + } + // Get morphed number at given position + , at: function(pos) { + // Make sure a destination is defined + if (!this.destination) return this + + // Generate new morphed number + return new SVG.Number(this.destination) + .minus(this) + .times(pos) + .plus(this) + } + + } +}) + +SVG.Element = SVG.invent({ + // Initialize node + create: function(node) { + // make stroke value accessible dynamically + this._stroke = SVG.defaults.attrs.stroke + + // initialize data object + this.dom = {} + + // create circular reference + if (this.node = node) { + this.type = node.nodeName + this.node.instance = this + + // store current attribute value + this._stroke = node.getAttribute('stroke') || this._stroke + } + } + + // Add class methods +, extend: { + // Move over x-axis + x: function(x) { + return this.attr('x', x) + } + // Move over y-axis + , y: function(y) { + return this.attr('y', y) + } + // Move by center over x-axis + , cx: function(x) { + return x == null ? this.x() + this.width() / 2 : this.x(x - this.width() / 2) + } + // Move by center over y-axis + , cy: function(y) { + return y == null ? this.y() + this.height() / 2 : this.y(y - this.height() / 2) + } + // Move element to given x and y values + , move: function(x, y) { + return this.x(x).y(y) + } + // Move element by its center + , center: function(x, y) { + return this.cx(x).cy(y) + } + // Set width of element + , width: function(width) { + return this.attr('width', width) + } + // Set height of element + , height: function(height) { + return this.attr('height', height) + } + // Set element size to given width and height + , size: function(width, height) { + var p = proportionalSize(this, width, height) + + return this + .width(new SVG.Number(p.width)) + .height(new SVG.Number(p.height)) + } + // Clone element + , clone: function(parent) { + // clone element and assign new id + var clone = assignNewId(this.node.cloneNode(true)) + + // insert the clone in the given parent or after myself + if(parent) parent.add(clone) + else this.after(clone) + + return clone + } + // Remove element + , remove: function() { + if (this.parent()) + this.parent().removeElement(this) + + return this + } + // Replace element + , replace: function(element) { + this.after(element).remove() + + return element + } + // Add element to given container and return self + , addTo: function(parent) { + return parent.put(this) + } + // Add element to given container and return container + , putIn: function(parent) { + return parent.add(this) + } + // Get / set id + , id: function(id) { + return this.attr('id', id) + } + // Checks whether the given point inside the bounding box of the element + , inside: function(x, y) { + var box = this.bbox() + + return x > box.x + && y > box.y + && x < box.x + box.width + && y < box.y + box.height + } + // Show element + , show: function() { + return this.style('display', '') + } + // Hide element + , hide: function() { + return this.style('display', 'none') + } + // Is element visible? + , visible: function() { + return this.style('display') != 'none' + } + // Return id on string conversion + , toString: function() { + return this.attr('id') + } + // Return array of classes on the node + , classes: function() { + var attr = this.attr('class') + + return attr == null ? [] : attr.trim().split(/\s+/) + } + // Return true if class exists on the node, false otherwise + , hasClass: function(name) { + return this.classes().indexOf(name) != -1 + } + // Add class to the node + , addClass: function(name) { + if (!this.hasClass(name)) { + var array = this.classes() + array.push(name) + this.attr('class', array.join(' ')) + } + + return this + } + // Remove class from the node + , removeClass: function(name) { + if (this.hasClass(name)) { + this.attr('class', this.classes().filter(function(c) { + return c != name + }).join(' ')) + } + + return this + } + // Toggle the presence of a class on the node + , toggleClass: function(name) { + return this.hasClass(name) ? this.removeClass(name) : this.addClass(name) + } + // Get referenced element form attribute value + , reference: function(attr) { + return SVG.get(this.attr(attr)) + } + // Returns the parent element instance + , parent: function(type) { + var parent = this + + // check for parent + if(!parent.node.parentNode) return null + + // get parent element + parent = SVG.adopt(parent.node.parentNode) + + if(!type) return parent + + // loop trough ancestors if type is given + while(parent && parent.node instanceof SVGElement){ + if(typeof type === 'string' ? parent.matches(type) : parent instanceof type) return parent + parent = SVG.adopt(parent.node.parentNode) + } + } + // Get parent document + , doc: function() { + return this instanceof SVG.Doc ? this : this.parent(SVG.Doc) + } + // return array of all ancestors of given type up to the root svg + , parents: function(type) { + var parents = [], parent = this + + do{ + parent = parent.parent(type) + if(!parent || !parent.node) break + + parents.push(parent) + } while(parent.parent) + + return parents + } + // matches the element vs a css selector + , matches: function(selector){ + return matches(this.node, selector) + } + // Returns the svg node to call native svg methods on it + , native: function() { + return this.node + } + // Import raw svg + , svg: function(svg) { + // create temporary holder + var well = document.createElement('svg') + + // act as a setter if svg is given + if (svg && this instanceof SVG.Parent) { + // dump raw svg + well.innerHTML = '<svg>' + svg.replace(/\n/, '').replace(/<(\w+)([^<]+?)\/>/g, '<$1$2></$1>') + '</svg>' + + // transplant nodes + for (var i = 0, il = well.firstChild.childNodes.length; i < il; i++) + this.node.appendChild(well.firstChild.firstChild) + + // otherwise act as a getter + } else { + // create a wrapping svg element in case of partial content + well.appendChild(svg = document.createElement('svg')) + + // write svgjs data to the dom + this.writeDataToDom() + + // insert a copy of this node + svg.appendChild(this.node.cloneNode(true)) + + // return target element + return well.innerHTML.replace(/^<svg>/, '').replace(/<\/svg>$/, '') + } + + return this + } + // write svgjs data to the dom + , writeDataToDom: function() { + + // dump variables recursively + if(this.each || this.lines){ + var fn = this.each ? this : this.lines(); + fn.each(function(){ + this.writeDataToDom() + }) + } + + // remove previously set data + this.node.removeAttribute('svgjs:data') + + if(Object.keys(this.dom).length) + this.node.setAttribute('svgjs:data', JSON.stringify(this.dom)) // see #428 + + return this + } + // set given data to the elements data property + , setData: function(o){ + this.dom = o + return this + } + , is: function(obj){ + return is(this, obj) + } + } +}) + +SVG.easing = { + '-': function(pos){return pos} +, '<>':function(pos){return -Math.cos(pos * Math.PI) / 2 + 0.5} +, '>': function(pos){return Math.sin(pos * Math.PI / 2)} +, '<': function(pos){return -Math.cos(pos * Math.PI / 2) + 1} +} + +SVG.morph = function(pos){ + return function(from, to) { + return new SVG.MorphObj(from, to).at(pos) + } +} + +SVG.Situation = SVG.invent({ + + create: function(o){ + this.init = false + this.reversed = false + this.reversing = false + + this.duration = new SVG.Number(o.duration).valueOf() + this.delay = new SVG.Number(o.delay).valueOf() + + this.start = +new Date() + this.delay + this.finish = this.start + this.duration + this.ease = o.ease + + this.loop = false + this.loops = false + + this.animations = { + // functionToCall: [list of morphable objects] + // e.g. move: [SVG.Number, SVG.Number] + } + + this.attrs = { + // holds all attributes which are not represented from a function svg.js provides + // e.g. someAttr: SVG.Number + } + + this.styles = { + // holds all styles which should be animated + // e.g. fill-color: SVG.Color + } + + this.transforms = [ + // holds all transformations as transformation objects + // e.g. [SVG.Rotate, SVG.Translate, SVG.Matrix] + ] + + this.once = { + // functions to fire at a specific position + // e.g. "0.5": function foo(){} + } + + } + +}) + +SVG.Delay = function(delay){ + this.delay = new SVG.Number(delay).valueOf() +} + +SVG.FX = SVG.invent({ + + create: function(element) { + this._target = element + this.situations = [] + this.active = false + this.situation = null + this.paused = false + this.lastPos = 0 + this.pos = 0 + } + +, extend: { + + /** + * sets or returns the target of this animation + * @param o object || number In case of Object it holds all parameters. In case of number its the duration of the animation + * @param ease function || string Function which should be used for easing or easing keyword + * @param delay Number indicating the delay before the animation starts + * @return target || this + */ + animate: function(o, ease, delay){ + + if(typeof o == 'object'){ + ease = o.ease + delay = o.delay + o = o.duration + } + + var situation = new SVG.Situation({ + duration: o || 1000, + delay: delay || 0, + ease: SVG.easing[ease || '-'] || ease + }) + + this.queue(situation) + + return this + } + + /** + * sets a delay before the next element of the queue is called + * @param delay Duration of delay in milliseconds + * @return this.target() + */ + , delay: function(delay){ + var delay = new SVG.Delay(delay) + + return this.queue(delay) + } + + /** + * sets or returns the target of this animation + * @param null || target SVG.Elemenet which should be set as new target + * @return target || this + */ + , target: function(target){ + if(target && target instanceof SVG.Element){ + this._target = target + return this + } + + return this._target + } + + // returns the position at a given time + , timeToPos: function(timestamp){ + return (timestamp - this.situation.start) / (this.situation.duration) + } + + // returns the timestamp from a given positon + , posToTime: function(pos){ + return this.situation.duration * pos + this.situation.start + } + + // starts the animationloop + , startAnimFrame: function(){ + this.stopAnimFrame() + this.animationFrame = requestAnimationFrame(function(){ this.step() }.bind(this)) + } + + // cancels the animationframe + , stopAnimFrame: function(){ + cancelAnimationFrame(this.animationFrame) + } + + // kicks off the animation - only does something when the queue is curretly not active and at least one situation is set + , start: function(){ + // dont start if already started + if(!this.active && this.situation){ + this.situation.start = +new Date + this.situation.delay + this.situation.finish = this.situation.start + this.situation.duration + + this.initAnimations() + this.active = true + this.startAnimFrame() + } + + return this + } + + /** + * adds a function / Situation to the animation queue + * @param fn function / situation to add + * @return this + */ + , queue: function(fn){ + if(typeof fn == 'function' || fn instanceof SVG.Situation || fn instanceof SVG.Delay) + this.situations.push(fn) + + if(!this.situation) this.situation = this.situations.shift() + + return this + } + + /** + * pulls next element from the queue and execute it + * @return this + */ + , dequeue: function(){ + // stop current animation + this.situation && this.situation.stop && this.situation.stop() + + // get next animation from queue + this.situation = this.situations.shift() + + if(this.situation){ + + var fn = function(){ + if(this.situation instanceof SVG.Situation) + this.initAnimations().at(0) + else if(this.situation instanceof SVG.Delay) + this.dequeue() + else + this.situation.call(this) + }.bind(this) + + // start next animation + if(this.situation.delay){ + setTimeout(function(){fn()}, this.situation.delay) + }else{ + fn() + } + + } + + return this + } + + // updates all animations to the current state of the element + // this is important when one property could be changed from another property + , initAnimations: function() { + var i + var s = this.situation + + if(s.init) return this + + for(i in s.animations){ + + if(i == 'viewbox'){ + s.animations[i] = this.target().viewbox().morph(s.animations[i]) + }else{ + + // TODO: this is not a clean clone of the array. We may have some unchecked references + s.animations[i].value = (i == 'plot' ? this.target().array().value : this.target()[i]()) + + // sometimes we get back an object and not the real value, fix this + if(s.animations[i].value.value){ + s.animations[i].value = s.animations[i].value.value + } + + if(s.animations[i].relative) + s.animations[i].destination.value = s.animations[i].destination.value + s.animations[i].value + + } + + } + + for(i in s.attrs){ + if(s.attrs[i] instanceof SVG.Color){ + var color = new SVG.Color(this.target().attr(i)) + s.attrs[i].r = color.r + s.attrs[i].g = color.g + s.attrs[i].b = color.b + }else{ + s.attrs[i].value = this.target().attr(i)// + s.attrs[i].value + } + } + + for(i in s.styles){ + s.styles[i].value = this.target().style(i) + } + + s.initialTransformation = this.target().matrixify() + + s.init = true + return this + } + , clearQueue: function(){ + this.situations = [] + return this + } + , clearCurrent: function(){ + this.situation = null + return this + } + /** stops the animation immediately + * @param jumpToEnd A Boolean indicating whether to complete the current animation immediately. + * @param clearQueue A Boolean indicating whether to remove queued animation as well. + * @return this + */ + , stop: function(jumpToEnd, clearQueue){ + if(!this.active) this.start() + + if(clearQueue){ + this.clearQueue() + } + + this.active = false + + if(jumpToEnd && this.situation){ + + this.situation.loop = false + + if(this.situation.loops % 2 == 0 && this.situation.reversing){ + this.situation.reversed = true + } + + this.at(1) + + } + + this.stopAnimFrame() + clearTimeout(this.timeout) + + return this.clearCurrent() + } + + /** resets the element to the state where the current element has started + * @return this + */ + , reset: function(){ + if(this.situation){ + var temp = this.situation + this.stop() + this.situation = temp + this.at(0) + } + return this + } + + // Stop the currently-running animation, remove all queued animations, and complete all animations for the element. + , finish: function(){ + + this.stop(true, false) + + while(this.dequeue().situation && this.stop(true, false)); + + this.clearQueue().clearCurrent() + + return this + } + + // set the internal animation pointer to the specified position and updates the visualisation + , at: function(pos){ + this.pos = pos + this.situation.start = +new Date - pos * this.situation.duration + this.situation.finish = this.situation.start + this.situation.duration + return this.step(true) + } + + // speeds up the animation by the given factor + // this changes the duration of the animation + , speed: function(speed){ + this.situation.duration = this.situation.duration * this.pos + (1-this.pos) * this.situation.duration / speed + this.situation.finish = this.situation.start + this.situation.duration + return this.at(this.pos) + } + // Make loopable + , loop: function(times, reverse) { + // store current loop and total loops + this.situation.loop = this.situation.loops = times || true + + if(reverse) this.last().reversing = true + return this + } + + // pauses the animation + , pause: function(){ + this.paused = true + this.stopAnimFrame() + clearTimeout(this.timeout) + return this + } + + // unpause the animation + , play: function(){ + if(!this.paused) return this + this.paused = false + return this.at(this.pos) + } + + /** + * toggle or set the direction of the animation + * true sets direction to backwards while false sets it to forwards + * @param reversed Boolean indicating whether to reverse the animation or not (default: toggle the reverse status) + * @return this + */ + , reverse: function(reversed){ + var c = this.last() + + if(typeof reversed == 'undefined') c.reversed = !c.reversed + else c.reversed = reversed + + return this + } + + + /** + * returns a float from 0-1 indicating the progress of the current animation + * @param eased Boolean indicating whether the returned position should be eased or not + * @return number + */ + , progress: function(easeIt){ + return easeIt ? this.situation.ease(this.pos) : this.pos + } + + /** + * adds a callback function which is called when the current animation is finished + * @param fn Function which should be executed as callback + * @return number + */ + , after: function(fn){ + var c = this.last() + , wrapper = function wrapper(e){ + if(e.detail.situation == c){ + fn.call(this, c) + this.off('finished.fx', wrapper) // prevent memory leak + } + } + + this.target().on('finished.fx', wrapper) + return this + } + + // adds a callback which is called whenever one animation step is performed + , during: function(fn){ + var c = this.last() + , wrapper = function(e){ + if(e.detail.situation == c){ + fn.call(this, e.detail.pos, SVG.morph(e.detail.pos), e.detail.eased, c) + } + } + + // see above + this.target().off('during.fx', wrapper).on('during.fx', wrapper) + + return this.after(function(){ + this.off('during.fx', wrapper) + }) + } + + // calls after ALL animations in the queue are finished + , afterAll: function(fn){ + var wrapper = function wrapper(e){ + fn.call(this) + this.off('allfinished.fx', wrapper) + } + + // see above + this.target().off('allfinished.fx', wrapper).on('allfinished.fx', wrapper) + return this + } + + // calls on every animation step for all animations + , duringAll: function(fn){ + var wrapper = function(e){ + fn.call(this, e.detail.pos, SVG.morph(e.detail.pos), e.detail.eased, e.detail.situation) + } + + this.target().off('during.fx', wrapper).on('during.fx', wrapper) + + return this.afterAll(function(){ + this.off('during.fx', wrapper) + }) + } + + , last: function(){ + return this.situations.length ? this.situations[this.situations.length-1] : this.situation + } + + // adds one property to the animations + , add: function(method, args, type){ + this.last()[type || 'animations'][method] = args + setTimeout(function(){this.start()}.bind(this), 0) + return this + } + + /** perform one step of the animation + * @param ignoreTime Boolean indicating whether to ignore time and use position directly or recalculate position based on time + * @return this + */ + , step: function(ignoreTime){ + + // convert current time to position + if(!ignoreTime) this.pos = this.timeToPos(+new Date) + + if(this.pos >= 1 && (this.situation.loop === true || (typeof this.situation.loop == 'number' && --this.situation.loop))){ + + if(this.situation.reversing){ + this.situation.reversed = !this.situation.reversed + } + return this.at(this.pos-1) + } + + if(this.situation.reversed) this.pos = 1 - this.pos + + // correct position + if(this.pos > 1)this.pos = 1 + if(this.pos < 0)this.pos = 0 + + // apply easing + var eased = this.situation.ease(this.pos) + + // call once-callbacks + for(var i in this.situation.once){ + if(i > this.lastPos && i <= eased){ + this.situation.once[i].call(this.target(), this.pos, eased) + delete this.situation.once[i] + } + } + + // fire during callback with position, eased position and current situation as parameter + if(this.active) this.target().fire('during', {pos: this.pos, eased: eased, fx: this, situation: this.situation}) + + // the user may call stop or finish in the during callback + // so make sure that we still have a valid situation + if(!this.situation){ + return this + } + + // apply the actual animation to every property + this.eachAt() + + // do final code when situation is finished + if((this.pos == 1 && !this.situation.reversed) || (this.situation.reversed && this.pos == 0)){ + + // stop animation callback + this.stopAnimFrame() + + // fire finished callback with current situation as parameter + this.target().fire('finished', {fx:this, situation: this.situation}) + + if(!this.situations.length){ + this.target().fire('allfinished') + this.target().off('.fx') // there shouldnt be any binding left, but to make sure... + this.active = false + } + + // start next animation + if(this.active) this.dequeue() + else this.clearCurrent() + + }else if(!this.paused && this.active){ + // we continue animating when we are not at the end + this.startAnimFrame() + } + + // save last eased position for once callback triggering + this.lastPos = eased + return this + + } + + // calculates the step for every property and calls block with it + , eachAt: function(){ + var i, at, self = this, target = this.target(), s = this.situation + + // apply animations which can be called trough a method + for(i in s.animations){ + + at = [].concat(s.animations[i]).map(function(el){ + return el.at ? el.at(s.ease(self.pos), self.pos) : el + }) + + target[i].apply(target, at) + + } + + // apply animation which has to be applied with attr() + for(i in s.attrs){ + + at = [i].concat(s.attrs[i]).map(function(el){ + return el.at ? el.at(s.ease(self.pos), self.pos) : el + }) + + target.attr.apply(target, at) + + } + + // apply animation which has to be applied with style() + for(i in s.styles){ + + at = [i].concat(s.styles[i]).map(function(el){ + return el.at ? el.at(s.ease(self.pos), self.pos) : el + }) + + target.style.apply(target, at) + + } + + // animate initialTransformation which has to be chained + if(s.transforms.length){ + + // get inital initialTransformation + at = s.initialTransformation + for(i in s.transforms){ + + // get next transformation in chain + var a = s.transforms[i] + + // multiply matrix directly + if(a instanceof SVG.Matrix){ + + if(a.relative){ + at = at.multiply(a.at(s.ease(this.pos))) + }else{ + at = at.morph(a).at(s.ease(this.pos)) + } + continue + } + + // when transformation is absolute we have to reset the needed transformation first + if(!a.relative) + a.undo(at.extract()) + + // and reapply it after + at = at.multiply(a.at(s.ease(this.pos))) + + } + + // set new matrix on element + target.matrix(at) + } + + return this + + } + + + // adds an once-callback which is called at a specific position and never again + , once: function(pos, fn, isEased){ + + if(!isEased)pos = this.situation.ease(pos) + + this.situation.once[pos] = fn + + return this + } + + } + +, parent: SVG.Element + + // Add method to parent elements +, construct: { + // Get fx module or create a new one, then animate with given duration and ease + animate: function(o, ease, delay) { + return (this.fx || (this.fx = new SVG.FX(this))).animate(o, ease, delay) + } + , delay: function(delay){ + return (this.fx || (this.fx = new SVG.FX(this))).delay(delay) + } + , stop: function(jumpToEnd, clearQueue) { + if (this.fx) + this.fx.stop(jumpToEnd, clearQueue) + + return this + } + , finish: function() { + if (this.fx) + this.fx.finish() + + return this + } + // Pause current animation + , pause: function() { + if (this.fx) + this.fx.pause() + + return this + } + // Play paused current animation + , play: function() { + if (this.fx) + this.fx.play() + + return this + } + } + +}) + +// MorphObj is used whenever no morphable object is given +SVG.MorphObj = SVG.invent({ + + create: function(from, to){ + // prepare color for morphing + if(SVG.Color.isColor(to)) return new SVG.Color(from).morph(to) + // prepare number for morphing + if(SVG.regex.numberAndUnit.test(to)) return new SVG.Number(from).morph(to) + + // prepare for plain morphing + this.value = 0 + this.destination = to + } + +, extend: { + at: function(pos, real){ + return real < 1 ? this.value : this.destination + }, + + valueOf: function(){ + return this.value + } + } + +}) + +SVG.extend(SVG.FX, { + // Add animatable attributes + attr: function(a, v, relative) { + // apply attributes individually + if (typeof a == 'object') { + for (var key in a) + this.attr(key, a[key]) + + } else { + // the MorphObj takes care about the right function used + this.add(a, new SVG.MorphObj(null, v), 'attrs') + } + + return this + } + // Add animatable styles +, style: function(s, v) { + if (typeof s == 'object') + for (var key in s) + this.style(key, s[key]) + + else + this.add(s, new SVG.MorphObj(null, v), 'styles') + + return this + } + // Animatable x-axis +, x: function(x, relative) { + if(this.target() instanceof SVG.G){ + this.transform({x:x}, relative) + return this + } + + var num = new SVG.Number().morph(x) + num.relative = relative + return this.add('x', num) + } + // Animatable y-axis +, y: function(y, relative) { + if(this.target() instanceof SVG.G){ + this.transform({y:y}, relative) + return this + } + + var num = new SVG.Number().morph(y) + num.relative = relative + return this.add('y', num) + } + // Animatable center x-axis +, cx: function(x) { + return this.add('cx', new SVG.Number().morph(x)) + } + // Animatable center y-axis +, cy: function(y) { + return this.add('cy', new SVG.Number().morph(y)) + } + // Add animatable move +, move: function(x, y) { + return this.x(x).y(y) + } + // Add animatable center +, center: function(x, y) { + return this.cx(x).cy(y) + } + // Add animatable size +, size: function(width, height) { + if (this.target() instanceof SVG.Text) { + // animate font size for Text elements + this.attr('font-size', width) + + } else { + // animate bbox based size for all other elements + var box + + if(!width || !height){ + box = this.target().bbox() + } + + if(!width){ + width = box.width / box.height * height + } + + if(!height){ + height = box.height / box.width * width + } + + this.add('width' , new SVG.Number().morph(width)) + .add('height', new SVG.Number().morph(height)) + + } + + return this + } + // Add animatable plot +, plot: function(p) { + return this.add('plot', this.target().array().morph(p)) + } + // Add leading method +, leading: function(value) { + return this.target().leading ? + this.add('leading', new SVG.Number().morph(value)) : + this + } + // Add animatable viewbox +, viewbox: function(x, y, width, height) { + if (this.target() instanceof SVG.Container) { + this.add('viewbox', new SVG.ViewBox(x, y, width, height)) + } + + return this + } +, update: function(o) { + if (this.target() instanceof SVG.Stop) { + if (typeof o == 'number' || o instanceof SVG.Number) { + return this.update({ + offset: arguments[0] + , color: arguments[1] + , opacity: arguments[2] + }) + } + + if (o.opacity != null) this.attr('stop-opacity', o.opacity) + if (o.color != null) this.attr('stop-color', o.color) + if (o.offset != null) this.attr('offset', o.offset) + } + + return this + } +}) +SVG.BBox = SVG.invent({ + // Initialize + create: function(element) { + // get values if element is given + if (element) { + var box + + // yes this is ugly, but Firefox can be a bitch when it comes to elements that are not yet rendered + try { + + // the element is NOT in the dom, throw error + if(!document.documentElement.contains(element.node)) throw new Exception('Element not in the dom') + + // find native bbox + box = element.node.getBBox() + } catch(e) { + if(element instanceof SVG.Shape){ + var clone = element.clone(SVG.parser.draw).show() + box = clone.bbox() + clone.remove() + }else{ + box = { + x: element.node.clientLeft + , y: element.node.clientTop + , width: element.node.clientWidth + , height: element.node.clientHeight + } + } + } + + // plain x and y + this.x = box.x + this.y = box.y + + // plain width and height + this.width = box.width + this.height = box.height + } + + // add center, right and bottom + fullBox(this) + } + + // Define Parent +, parent: SVG.Element + + // Constructor +, construct: { + // Get bounding box + bbox: function() { + return new SVG.BBox(this) + } + } + +}) + +SVG.TBox = SVG.invent({ + // Initialize + create: function(element) { + // get values if element is given + if (element) { + var t = element.ctm().extract() + , box = element.bbox() + + // width and height including transformations + this.width = box.width * t.scaleX + this.height = box.height * t.scaleY + + // x and y including transformations + this.x = box.x + t.x + this.y = box.y + t.y + } + + // add center, right and bottom + fullBox(this) + } + + // Define Parent +, parent: SVG.Element + + // Constructor +, construct: { + // Get transformed bounding box + tbox: function() { + return new SVG.TBox(this) + } + } + +}) + + +SVG.RBox = SVG.invent({ + // Initialize + create: function(element) { + if (element) { + var e = element.doc().parent() + , box = element.node.getBoundingClientRect() + , zoom = 1 + + // get screen offset + this.x = box.left + this.y = box.top + + // subtract parent offset + this.x -= e.offsetLeft + this.y -= e.offsetTop + + while (e = e.offsetParent) { + this.x -= e.offsetLeft + this.y -= e.offsetTop + } + + // calculate cumulative zoom from svg documents + e = element + while (e.parent && (e = e.parent())) { + if (e.viewbox) { + zoom *= e.viewbox().zoom + this.x -= e.x() || 0 + this.y -= e.y() || 0 + } + } + + // recalculate viewbox distortion + this.width = box.width /= zoom + this.height = box.height /= zoom + } + + // add center, right and bottom + fullBox(this) + + // offset by window scroll position, because getBoundingClientRect changes when window is scrolled + this.x += window.pageXOffset + this.y += window.pageYOffset + } + + // define Parent +, parent: SVG.Element + + // Constructor +, construct: { + // Get rect box + rbox: function() { + return new SVG.RBox(this) + } + } + +}) + +// Add universal merge method +;[SVG.BBox, SVG.TBox, SVG.RBox].forEach(function(c) { + + SVG.extend(c, { + // Merge rect box with another, return a new instance + merge: function(box) { + var b = new c() + + // merge boxes + b.x = Math.min(this.x, box.x) + b.y = Math.min(this.y, box.y) + b.width = Math.max(this.x + this.width, box.x + box.width) - b.x + b.height = Math.max(this.y + this.height, box.y + box.height) - b.y + + return fullBox(b) + } + + }) + +}) + +SVG.Matrix = SVG.invent({ + // Initialize + create: function(source) { + var i, base = arrayToMatrix([1, 0, 0, 1, 0, 0]) + + // ensure source as object + source = source instanceof SVG.Element ? + source.matrixify() : + typeof source === 'string' ? + stringToMatrix(source) : + arguments.length == 6 ? + arrayToMatrix([].slice.call(arguments)) : + typeof source === 'object' ? + source : base + + // merge source + for (i = abcdef.length - 1; i >= 0; --i) + this[abcdef[i]] = source && typeof source[abcdef[i]] === 'number' ? + source[abcdef[i]] : base[abcdef[i]] + } + + // Add methods +, extend: { + // Extract individual transformations + extract: function() { + // find delta transform points + var px = deltaTransformPoint(this, 0, 1) + , py = deltaTransformPoint(this, 1, 0) + , skewX = 180 / Math.PI * Math.atan2(px.y, px.x) - 90 + + return { + // translation + x: this.e + , y: this.f + , transformedX:(this.e * Math.cos(skewX * Math.PI / 180) + this.f * Math.sin(skewX * Math.PI / 180)) / Math.sqrt(this.a * this.a + this.b * this.b) + , transformedY:(this.f * Math.cos(skewX * Math.PI / 180) + this.e * Math.sin(-skewX * Math.PI / 180)) / Math.sqrt(this.c * this.c + this.d * this.d) + // skew + , skewX: -skewX + , skewY: 180 / Math.PI * Math.atan2(py.y, py.x) + // scale + , scaleX: Math.sqrt(this.a * this.a + this.b * this.b) + , scaleY: Math.sqrt(this.c * this.c + this.d * this.d) + // rotation + , rotation: skewX + , a: this.a + , b: this.b + , c: this.c + , d: this.d + , e: this.e + , f: this.f + , matrix: new SVG.Matrix(this) + } + } + // Clone matrix + , clone: function() { + return new SVG.Matrix(this) + } + // Morph one matrix into another + , morph: function(matrix) { + // store new destination + this.destination = new SVG.Matrix(matrix) + + return this + } + // Get morphed matrix at a given position + , at: function(pos) { + // make sure a destination is defined + if (!this.destination) return this + + // calculate morphed matrix at a given position + var matrix = new SVG.Matrix({ + a: this.a + (this.destination.a - this.a) * pos + , b: this.b + (this.destination.b - this.b) * pos + , c: this.c + (this.destination.c - this.c) * pos + , d: this.d + (this.destination.d - this.d) * pos + , e: this.e + (this.destination.e - this.e) * pos + , f: this.f + (this.destination.f - this.f) * pos + }) + + // process parametric rotation if present + if (this.param && this.param.to) { + // calculate current parametric position + var param = { + rotation: this.param.from.rotation + (this.param.to.rotation - this.param.from.rotation) * pos + , cx: this.param.from.cx + , cy: this.param.from.cy + } + + // rotate matrix + matrix = matrix.rotate( + (this.param.to.rotation - this.param.from.rotation * 2) * pos + , param.cx + , param.cy + ) + + // store current parametric values + matrix.param = param + } + + return matrix + } + // Multiplies by given matrix + , multiply: function(matrix) { + return new SVG.Matrix(this.native().multiply(parseMatrix(matrix).native())) + } + // Inverses matrix + , inverse: function() { + return new SVG.Matrix(this.native().inverse()) + } + // Translate matrix + , translate: function(x, y) { + return new SVG.Matrix(this.native().translate(x || 0, y || 0)) + } + // Scale matrix + , scale: function(x, y, cx, cy) { + // support universal scale + if (arguments.length == 1 || arguments.length == 3) + y = x + if (arguments.length == 3) { + cy = cx + cx = y + } + + return this.around(cx, cy, new SVG.Matrix(x, 0, 0, y, 0, 0)) + } + // Rotate matrix + , rotate: function(r, cx, cy) { + // convert degrees to radians + r = SVG.utils.radians(r) + + return this.around(cx, cy, new SVG.Matrix(Math.cos(r), Math.sin(r), -Math.sin(r), Math.cos(r), 0, 0)) + } + // Flip matrix on x or y, at a given offset + , flip: function(a, o) { + return a == 'x' ? this.scale(-1, 1, o, 0) : this.scale(1, -1, 0, o) + } + // Skew + , skew: function(x, y, cx, cy) { + return this.around(cx, cy, this.native().skewX(x || 0).skewY(y || 0)) + } + // SkewX + , skewX: function(x, cx, cy) { + return this.around(cx, cy, this.native().skewX(x || 0)) + } + // SkewY + , skewY: function(y, cx, cy) { + return this.around(cx, cy, this.native().skewY(y || 0)) + } + // Transform around a center point + , around: function(cx, cy, matrix) { + return this + .multiply(new SVG.Matrix(1, 0, 0, 1, cx || 0, cy || 0)) + .multiply(matrix) + .multiply(new SVG.Matrix(1, 0, 0, 1, -cx || 0, -cy || 0)) + } + // Convert to native SVGMatrix + , native: function() { + // create new matrix + var matrix = SVG.parser.native.createSVGMatrix() + + // update with current values + for (var i = abcdef.length - 1; i >= 0; i--) + matrix[abcdef[i]] = this[abcdef[i]] + + return matrix + } + // Convert matrix to string + , toString: function() { + return 'matrix(' + this.a + ',' + this.b + ',' + this.c + ',' + this.d + ',' + this.e + ',' + this.f + ')' + } + } + + // Define parent +, parent: SVG.Element + + // Add parent method +, construct: { + // Get current matrix + ctm: function() { + return new SVG.Matrix(this.node.getCTM()) + }, + // Get current screen matrix + screenCTM: function() { + return new SVG.Matrix(this.node.getScreenCTM()) + } + + } + +}) + +SVG.Point = SVG.invent({ + // Initialize + create: function(x,y) { + var i, source, base = {x:0, y:0} + + // ensure source as object + source = Array.isArray(x) ? + {x:x[0], y:x[1]} : + typeof x === 'object' ? + {x:x.x, y:x.y} : + y != null ? + {x:x, y:y} : base + + // merge source + this.x = source.x + this.y = source.y + } + + // Add methods +, extend: { + // Clone point + clone: function() { + return new SVG.Point(this) + } + // Morph one point into another + , morph: function(point) { + // store new destination + this.destination = new SVG.Point(point) + + return this + } + // Get morphed point at a given position + , at: function(pos) { + // make sure a destination is defined + if (!this.destination) return this + + // calculate morphed matrix at a given position + var point = new SVG.Point({ + x: this.x + (this.destination.x - this.x) * pos + , y: this.y + (this.destination.y - this.y) * pos + }) + + return point + } + // Convert to native SVGPoint + , native: function() { + // create new point + var point = SVG.parser.native.createSVGPoint() + + // update with current values + point.x = this.x + point.y = this.y + + return point + } + // transform point with matrix + , transform: function(matrix) { + return new SVG.Point(this.native().matrixTransform(matrix.native())) + } + + } + +}) + +SVG.extend(SVG.Element, { + + // Get point + point: function(x, y) { + return new SVG.Point(x,y).transform(this.screenCTM().inverse()); + } + +}) + +SVG.extend(SVG.Element, { + // Set svg element attribute + attr: function(a, v, n) { + // act as full getter + if (a == null) { + // get an object of attributes + a = {} + v = this.node.attributes + for (n = v.length - 1; n >= 0; n--) + a[v[n].nodeName] = SVG.regex.isNumber.test(v[n].nodeValue) ? parseFloat(v[n].nodeValue) : v[n].nodeValue + + return a + + } else if (typeof a == 'object') { + // apply every attribute individually if an object is passed + for (v in a) this.attr(v, a[v]) + + } else if (v === null) { + // remove value + this.node.removeAttribute(a) + + } else if (v == null) { + // act as a getter if the first and only argument is not an object + v = this.node.getAttribute(a) + return v == null ? + SVG.defaults.attrs[a] : + SVG.regex.isNumber.test(v) ? + parseFloat(v) : v + + } else { + // BUG FIX: some browsers will render a stroke if a color is given even though stroke width is 0 + if (a == 'stroke-width') + this.attr('stroke', parseFloat(v) > 0 ? this._stroke : null) + else if (a == 'stroke') + this._stroke = v + + // convert image fill and stroke to patterns + if (a == 'fill' || a == 'stroke') { + if (SVG.regex.isImage.test(v)) + v = this.doc().defs().image(v, 0, 0) + + if (v instanceof SVG.Image) + v = this.doc().defs().pattern(0, 0, function() { + this.add(v) + }) + } + + // ensure correct numeric values (also accepts NaN and Infinity) + if (typeof v === 'number') + v = new SVG.Number(v) + + // ensure full hex color + else if (SVG.Color.isColor(v)) + v = new SVG.Color(v) + + // parse array values + else if (Array.isArray(v)) + v = new SVG.Array(v) + + // store parametric transformation values locally + else if (v instanceof SVG.Matrix && v.param) + this.param = v.param + + // if the passed attribute is leading... + if (a == 'leading') { + // ... call the leading method instead + if (this.leading) + this.leading(v) + } else { + // set given attribute on node + typeof n === 'string' ? + this.node.setAttributeNS(n, a, v.toString()) : + this.node.setAttribute(a, v.toString()) + } + + // rebuild if required + if (this.rebuild && (a == 'font-size' || a == 'x')) + this.rebuild(a, v) + } + + return this + } +}) +SVG.extend(SVG.Element, { + // Add transformations + transform: function(o, relative) { + // get target in case of the fx module, otherwise reference this + var target = this + , matrix + + // act as a getter + if (typeof o !== 'object') { + // get current matrix + matrix = new SVG.Matrix(target).extract() + + return typeof o === 'string' ? matrix[o] : matrix + } + + // get current matrix + matrix = new SVG.Matrix(target) + + // ensure relative flag + relative = !!relative || !!o.relative + + // act on matrix + if (o.a != null) { + matrix = relative ? + // relative + matrix.multiply(new SVG.Matrix(o)) : + // absolute + new SVG.Matrix(o) + + // act on rotation + } else if (o.rotation != null) { + // ensure centre point + ensureCentre(o, target) + + // apply transformation + matrix = relative ? + // relative + matrix.rotate(o.rotation, o.cx, o.cy) : + // absolute + matrix.rotate(o.rotation - matrix.extract().rotation, o.cx, o.cy) + + // act on scale + } else if (o.scale != null || o.scaleX != null || o.scaleY != null) { + // ensure centre point + ensureCentre(o, target) + + // ensure scale values on both axes + o.scaleX = o.scale != null ? o.scale : o.scaleX != null ? o.scaleX : 1 + o.scaleY = o.scale != null ? o.scale : o.scaleY != null ? o.scaleY : 1 + + if (!relative) { + // absolute; multiply inversed values + var e = matrix.extract() + o.scaleX = o.scaleX * 1 / e.scaleX + o.scaleY = o.scaleY * 1 / e.scaleY + } + + matrix = matrix.scale(o.scaleX, o.scaleY, o.cx, o.cy) + + // act on skew + } else if (o.skewX != null || o.skewY != null) { + // ensure centre point + ensureCentre(o, target) + + // ensure skew values on both axes + o.skewX = o.skewX != null ? o.skewX : 0 + o.skewY = o.skewY != null ? o.skewY : 0 + + if (!relative) { + // absolute; reset skew values + var e = matrix.extract() + matrix = matrix.multiply(new SVG.Matrix().skew(e.skewX, e.skewY, o.cx, o.cy).inverse()) + } + + matrix = matrix.skew(o.skewX, o.skewY, o.cx, 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 != null || o.y != null) { + if (relative) { + // relative + matrix = matrix.translate(o.x, o.y) + } else { + // absolute + if (o.x != null) matrix.e = o.x + if (o.y != null) matrix.f = o.y + } + } + + return this.attr('transform', matrix) + } +}) + +SVG.extend(SVG.FX, { + transform: function(o, relative) { + // get target in case of the fx module, otherwise reference this + var target = this.target() + , matrix + + // act as a getter + if (typeof o !== 'object') { + // get current matrix + matrix = new SVG.Matrix(target).extract() + + return typeof o === 'string' ? matrix[o] : matrix + } + + // ensure relative flag + relative = !!relative || !!o.relative + + // act on matrix + if (o.a != null) { + matrix = new SVG.Matrix(o) + + // act on rotation + } else if (o.rotation != null) { + // ensure centre point + ensureCentre(o, target) + + // apply transformation + matrix = new SVG.Rotate(o.rotation, o.cx, o.cy) + + // act on scale + } else if (o.scale != null || o.scaleX != null || o.scaleY != null) { + // ensure centre point + ensureCentre(o, target) + + // ensure scale values on both axes + o.scaleX = o.scale != null ? o.scale : o.scaleX != null ? o.scaleX : 1 + o.scaleY = o.scale != null ? o.scale : o.scaleY != null ? o.scaleY : 1 + + matrix = new SVG.Scale(o.scaleX, o.scaleY, o.cx, o.cy) + + // act on skew + } else if (o.skewX != null || o.skewY != null) { + // ensure centre point + ensureCentre(o, target) + + // ensure skew values on both axes + o.skewX = o.skewX != null ? o.skewX : 0 + o.skewY = o.skewY != null ? o.skewY : 0 + + matrix = new SVG.Skew(o.skewX, o.skewY, o.cx, o.cy) + + // act on flip + } else if (o.flip) { + matrix = new SVG.Matrix().morph(new SVG.Matrix().flip( + o.flip + , o.offset == null ? target.bbox()['c' + o.flip] : o.offset + )) + + // act on translate + } else if (o.x != null || o.y != null) { + matrix = new SVG.Translate(o.x, o.y) + } + + if(!matrix) return this + + matrix.relative = relative + + this.last().transforms.push(matrix) + + setTimeout(function(){this.start()}.bind(this), 0) + + return this + } +}) + +SVG.extend(SVG.Element, { + // Reset all transformations + untransform: function() { + return this.attr('transform', null) + }, + // merge the whole transformation chain into one matrix and returns it + matrixify: function() { + + var matrix = (this.attr('transform') || '') + // split transformations + .split(/\)\s*/).slice(0,-1).map(function(str){ + // generate key => value pairs + var kv = str.trim().split('(') + return [kv[0], kv[1].split(SVG.regex.matrixElements).map(function(str){ return parseFloat(str) })] + }) + // calculate every transformation into one matrix + .reduce(function(matrix, transform){ + + if(transform[0] == 'matrix') return matrix.multiply(arrayToMatrix(transform[1])) + return matrix[transform[0]].apply(matrix, transform[1]) + + }, new SVG.Matrix()) + + return matrix + }, + // add an element to another parent without changing the visual representation on the screen + toParent: function(parent) { + if(this == parent) return this + var ctm = this.screenCTM() + var temp = parent.rect(1,1) + var pCtm = temp.screenCTM().inverse() + temp.remove() + + this.addTo(parent).untransform().transform(pCtm.multiply(ctm)) + + return this + }, + // same as above with parent equals root-svg + toDoc: function() { + return this.toParent(this.doc()) + } + +}) + +SVG.Transformation = SVG.invent({ + + create: function(source, inversed){ + + if(arguments.length > 1 && typeof inversed != 'boolean'){ + return this.create([].slice.call(arguments)) + } + + if(typeof source == 'object'){ + for(var i = 0, len = this.arguments.length; i < len; ++i){ + this[this.arguments[i]] = source[this.arguments[i]] + } + } + + if(Array.isArray(source)){ + for(var i = 0, len = this.arguments.length; i < len; ++i){ + this[this.arguments[i]] = source[i] + } + } + + this.inversed = false + + if(inversed === true){ + this.inversed = true + } + + } + +, extend: { + + at: function(pos){ + + var params = [] + + for(var i = 0, len = this.arguments.length; i < len; ++i){ + params.push(this[this.arguments[i]]) + } + + var m = this._undo || new SVG.Matrix() + + m = new SVG.Matrix().morph(SVG.Matrix.prototype[this.method].apply(m, params)).at(pos) + + return this.inversed ? m.inverse() : m + + } + + , undo: function(o){ + for(var i = 0, len = this.arguments.length; i < len; ++i){ + o[this.arguments[i]] = typeof this[this.arguments[i]] == 'undefined' ? 0 : o[this.arguments[i]] + } + + this._undo = new SVG[capitalize(this.method)](o, true).at(1) + + return this + } + + } + +}) + +SVG.Translate = SVG.invent({ + + parent: SVG.Matrix +, inherit: SVG.Transformation + +, create: function(source, inversed){ + if(typeof source == 'object') this.constructor.call(this, source, inversed) + else this.constructor.call(this, [].slice.call(arguments)) + } + +, extend: { + arguments: ['transformedX', 'transformedY'] + , method: 'translate' + } + +}) + +SVG.Rotate = SVG.invent({ + + parent: SVG.Matrix +, inherit: SVG.Transformation + +, create: function(source, inversed){ + if(typeof source == 'object') this.constructor.call(this, source, inversed) + else this.constructor.call(this, [].slice.call(arguments)) + } + +, extend: { + arguments: ['rotation', 'cx', 'cy'] + , method: 'rotate' + , at: function(pos){ + var m = new SVG.Matrix().rotate(new SVG.Number().morph(this.rotation - (this._undo ? this._undo.rotation : 0)).at(pos), this.cx, this.cy) + return this.inversed ? m.inverse() : m + } + , undo: function(o){ + this._undo = o + } + } + +}) + +SVG.Scale = SVG.invent({ + + parent: SVG.Matrix +, inherit: SVG.Transformation + +, create: function(source, inversed){ + if(typeof source == 'object') this.constructor.call(this, source, inversed) + else this.constructor.call(this, [].slice.call(arguments)) + } + +, extend: { + arguments: ['scaleX', 'scaleY', 'cx', 'cy'] + , method: 'scale' + } + +}) + +SVG.Skew = SVG.invent({ + + parent: SVG.Matrix +, inherit: SVG.Transformation + +, create: function(source, inversed){ + if(typeof source == 'object') this.constructor.call(this, source, inversed) + else this.constructor.call(this, [].slice.call(arguments)) + } + +, extend: { + arguments: ['skewX', 'skewY', 'cx', 'cy'] + , method: 'skew' + } + +}) + +SVG.extend(SVG.Element, { + // Dynamic style generator + style: function(s, v) { + if (arguments.length == 0) { + // get full style + return this.node.style.cssText || '' + + } else if (arguments.length < 2) { + // apply every style individually if an object is passed + if (typeof s == 'object') { + for (v in s) this.style(v, s[v]) + + } else if (SVG.regex.isCss.test(s)) { + // parse css string + s = s.split(';') + + // apply every definition individually + for (var i = 0; i < s.length; i++) { + v = s[i].split(':') + this.style(v[0].replace(/\s+/g, ''), v[1]) + } + } else { + // act as a getter if the first and only argument is not an object + return this.node.style[camelCase(s)] + } + + } else { + this.node.style[camelCase(s)] = v === null || SVG.regex.isBlank.test(v) ? '' : v + } + + return this + } +}) +SVG.Parent = SVG.invent({ + // Initialize node + create: function(element) { + this.constructor.call(this, element) + } + + // Inherit from +, inherit: SVG.Element + + // Add class methods +, extend: { + // Returns all child elements + children: function() { + return SVG.utils.map(SVG.utils.filterSVGElements(this.node.childNodes), function(node) { + return SVG.adopt(node) + }) + } + // Add given element at a position + , add: function(element, i) { + if (i == null) + this.node.appendChild(element.node) + else if (element.node != this.node.childNodes[i]) + this.node.insertBefore(element.node, this.node.childNodes[i]) + + return this + } + // Basically does the same as `add()` but returns the added element instead + , put: function(element, i) { + this.add(element, i) + return element + } + // Checks if the given element is a child + , has: function(element) { + return this.index(element) >= 0 + } + // Gets index of given element + , index: function(element) { + return [].slice.call(this.node.childNodes).indexOf(element.node) + } + // Get a element at the given index + , get: function(i) { + return SVG.adopt(this.node.childNodes[i]) + } + // Get first child + , first: function() { + return this.get(0) + } + // Get the last child + , last: function() { + return this.get(this.node.childNodes.length - 1) + } + // Iterates over all children and invokes a given block + , each: function(block, deep) { + var i, il + , children = this.children() + + for (i = 0, il = children.length; i < il; i++) { + if (children[i] instanceof SVG.Element) + block.apply(children[i], [i, children]) + + if (deep && (children[i] instanceof SVG.Container)) + children[i].each(block, deep) + } + + return this + } + // Remove a given child + , removeElement: function(element) { + this.node.removeChild(element.node) + + return this + } + // Remove all elements in this container + , clear: function() { + // remove children + while(this.node.hasChildNodes()) + this.node.removeChild(this.node.lastChild) + + // remove defs reference + delete this._defs + + return this + } + , // Get defs + defs: function() { + return this.doc().defs() + } + } + +}) + +SVG.extend(SVG.Parent, { + + ungroup: function(parent, depth) { + if(depth === 0 || this instanceof SVG.Defs) return this + + parent = parent || (this instanceof SVG.Doc ? this : this.parent(SVG.Parent)) + depth = depth || Infinity + + this.each(function(){ + if(this instanceof SVG.Defs) return this + if(this instanceof SVG.Parent) return this.ungroup(parent, depth-1) + return this.toParent(parent) + }) + + this.node.firstChild || this.remove() + + return this + }, + + flatten: function(parent, depth) { + return this.ungroup(parent, depth) + } + +}) +SVG.Container = SVG.invent({ + // Initialize node + create: function(element) { + this.constructor.call(this, element) + } + + // Inherit from +, inherit: SVG.Parent + +}) + +SVG.ViewBox = SVG.invent({ + + create: function(source) { + var i, base = [0, 0, 0, 0] + + var x, y, width, height, box, view, we, he + , wm = 1 // width multiplier + , hm = 1 // height multiplier + , reg = /[+-]?(?:\d+(?:\.\d*)?|\.\d+)(?:e[+-]?\d+)?/gi + + if(source instanceof SVG.Element){ + + we = source + he = source + view = (source.attr('viewBox') || '').match(reg) + box = source.bbox + + // get dimensions of current node + width = new SVG.Number(source.width()) + height = new SVG.Number(source.height()) + + // find nearest non-percentual dimensions + while (width.unit == '%') { + wm *= width.value + width = new SVG.Number(we instanceof SVG.Doc ? we.parent().offsetWidth : we.parent().width()) + we = we.parent() + } + while (height.unit == '%') { + hm *= height.value + height = new SVG.Number(he instanceof SVG.Doc ? he.parent().offsetHeight : he.parent().height()) + he = he.parent() + } + + // ensure defaults + this.x = 0 + this.y = 0 + this.width = width * wm + this.height = height * hm + this.zoom = 1 + + if (view) { + // get width and height from viewbox + x = parseFloat(view[0]) + y = parseFloat(view[1]) + width = parseFloat(view[2]) + height = parseFloat(view[3]) + + // calculate zoom accoring to viewbox + this.zoom = ((this.width / this.height) > (width / height)) ? + this.height / height : + this.width / width + + // calculate real pixel dimensions on parent SVG.Doc element + this.x = x + this.y = y + this.width = width + this.height = height + + } + + }else{ + + // ensure source as object + source = typeof source === 'string' ? + source.match(reg).map(function(el){ return parseFloat(el) }) : + Array.isArray(source) ? + source : + typeof source == 'object' ? + [source.x, source.y, source.width, source.height] : + arguments.length == 4 ? + [].slice.call(arguments) : + base + + this.x = source[0] + this.y = source[1] + this.width = source[2] + this.height = source[3] + } + + + } + +, extend: { + + toString: function() { + return this.x + ' ' + this.y + ' ' + this.width + ' ' + this.height + } + , morph: function(v){ + + var v = arguments.length == 1 ? + [v.x, v.y, v.width, v.height] : + [].slice.call(arguments) + + this.destination = new SVG.ViewBox(v) + + return this + + } + + , at: function(pos) { + + if(!this.destination) return this + + return new SVG.ViewBox([ + this.x + (this.destination.x - this.x) * pos + , this.y + (this.destination.y - this.y) * pos + , this.width + (this.destination.width - this.width) * pos + , this.height + (this.destination.height - this.height) * pos + ]) + + } + + } + + // Define parent +, parent: SVG.Container + + // Add parent method +, construct: { + + // get/set viewbox + viewbox: function(v) { + if (arguments.length == 0) + // act as a getter if there are no arguments + return new SVG.ViewBox(this) + + // otherwise act as a setter + v = arguments.length == 1 ? + [v.x, v.y, v.width, v.height] : + [].slice.call(arguments) + + return this.attr('viewBox', v) + } + + } + +}) +// Add events to elements +;[ 'click' + , 'dblclick' + , 'mousedown' + , 'mouseup' + , 'mouseover' + , 'mouseout' + , 'mousemove' + // , 'mouseenter' -> not supported by IE + // , 'mouseleave' -> not supported by IE + , 'touchstart' + , 'touchmove' + , 'touchleave' + , 'touchend' + , 'touchcancel' ].forEach(function(event) { + + // add event to SVG.Element + SVG.Element.prototype[event] = function(f) { + var self = this + + // bind event to element rather than element node + this.node['on' + event] = typeof f == 'function' ? + function() { return f.apply(self, arguments) } : null + + return this + } + +}) + +// Initialize listeners stack +SVG.listeners = [] +SVG.handlerMap = [] +SVG.listenerId = 0 + +// Add event binder in the SVG namespace +SVG.on = function(node, event, listener, binding) { + // create listener, get object-index + var l = listener.bind(binding || node.instance || node) + , index = (SVG.handlerMap.indexOf(node) + 1 || SVG.handlerMap.push(node)) - 1 + , ev = event.split('.')[0] + , ns = event.split('.')[1] || '*' + + + // ensure valid object + SVG.listeners[index] = SVG.listeners[index] || {} + SVG.listeners[index][ev] = SVG.listeners[index][ev] || {} + SVG.listeners[index][ev][ns] = SVG.listeners[index][ev][ns] || {} + + if(!listener._svgjsListenerId) + listener._svgjsListenerId = ++SVG.listenerId + + // reference listener + SVG.listeners[index][ev][ns][listener._svgjsListenerId] = l + + // add listener + node.addEventListener(ev, l, false) +} + +// Add event unbinder in the SVG namespace +SVG.off = function(node, event, listener) { + var index = SVG.handlerMap.indexOf(node) + , ev = event && event.split('.')[0] + , ns = event && event.split('.')[1] + + if(index == -1) return + + if (listener) { + if(typeof listener == 'function') listener = listener._svgjsListenerId + if(!listener) return + + // remove listener reference + if (SVG.listeners[index][ev] && SVG.listeners[index][ev][ns || '*']) { + // remove listener + node.removeEventListener(ev, SVG.listeners[index][ev][ns || '*'][listener], false) + + delete SVG.listeners[index][ev][ns || '*'][listener] + } + + } else if (ns && ev) { + // remove all listeners for a namespaced event + if (SVG.listeners[index][ev] && SVG.listeners[index][ev][ns]) { + for (listener in SVG.listeners[index][ev][ns]) + SVG.off(node, [ev, ns].join('.'), listener) + + delete SVG.listeners[index][ev][ns] + } + + } else if (ns){ + // remove all listeners for a specific namespace + for(event in SVG.listeners[index]){ + for(namespace in SVG.listeners[index][event]){ + if(ns === namespace){ + SVG.off(node, [event, ns].join('.')) + } + } + } + + } else if (ev) { + // remove all listeners for the event + if (SVG.listeners[index][ev]) { + for (namespace in SVG.listeners[index][ev]) + SVG.off(node, [ev, namespace].join('.')) + + delete SVG.listeners[index][ev] + } + + } else { + // remove all listeners on a given node + for (event in SVG.listeners[index]) + SVG.off(node, event) + + delete SVG.listeners[index] + + } +} + +// +SVG.extend(SVG.Element, { + // Bind given event to listener + on: function(event, listener, binding) { + SVG.on(this.node, event, listener, binding) + + return this + } + // Unbind event from listener +, off: function(event, listener) { + SVG.off(this.node, event, listener) + + return this + } + // Fire given event +, fire: function(event, data) { + + // Dispatch event + if(event instanceof Event){ + this.node.dispatchEvent(event) + }else{ + this.node.dispatchEvent(new CustomEvent(event, {detail:data})) + } + + return this + } +}) + +SVG.Defs = SVG.invent({ + // Initialize node + create: 'defs' + + // Inherit from +, inherit: SVG.Container + +}) +SVG.G = SVG.invent({ + // Initialize node + create: 'g' + + // Inherit from +, inherit: SVG.Container + + // Add class methods +, extend: { + // Move over x-axis + x: function(x) { + return x == null ? this.transform('x') : this.transform({ x: x - this.x() }, true) + } + // Move over y-axis + , y: function(y) { + return y == null ? this.transform('y') : this.transform({ y: y - this.y() }, true) + } + // Move by center over x-axis + , cx: function(x) { + return x == null ? this.gbox().cx : this.x(x - this.gbox().width / 2) + } + // Move by center over y-axis + , cy: function(y) { + return y == null ? this.gbox().cy : this.y(y - this.gbox().height / 2) + } + , gbox: function() { + + var bbox = this.bbox() + , trans = this.transform() + + bbox.x += trans.x + bbox.x2 += trans.x + bbox.cx += trans.x + + bbox.y += trans.y + bbox.y2 += trans.y + bbox.cy += trans.y + + return bbox + } + } + + // Add parent method +, construct: { + // Create a group element + group: function() { + return this.put(new SVG.G) + } + } +}) + +// ### This module adds backward / forward functionality to elements. + +// +SVG.extend(SVG.Element, { + // Get all siblings, including myself + siblings: function() { + return this.parent().children() + } + // Get the curent position siblings +, position: function() { + return this.parent().index(this) + } + // Get the next element (will return null if there is none) +, next: function() { + return this.siblings()[this.position() + 1] + } + // Get the next element (will return null if there is none) +, previous: function() { + return this.siblings()[this.position() - 1] + } + // Send given element one step forward +, forward: function() { + var i = this.position() + 1 + , p = this.parent() + + // move node one step forward + p.removeElement(this).add(this, i) + + // make sure defs node is always at the top + if (p instanceof SVG.Doc) + p.node.appendChild(p.defs().node) + + return this + } + // Send given element one step backward +, backward: function() { + var i = this.position() + + if (i > 0) + this.parent().removeElement(this).add(this, i - 1) + + return this + } + // Send given element all the way to the front +, front: function() { + var p = this.parent() + + // Move node forward + p.node.appendChild(this.node) + + // Make sure defs node is always at the top + if (p instanceof SVG.Doc) + p.node.appendChild(p.defs().node) + + return this + } + // Send given element all the way to the back +, back: function() { + if (this.position() > 0) + this.parent().removeElement(this).add(this, 0) + + return this + } + // Inserts a given element before the targeted element +, before: function(element) { + element.remove() + + var i = this.position() + + this.parent().add(element, i) + + return this + } + // Insters a given element after the targeted element +, after: function(element) { + element.remove() + + var i = this.position() + + this.parent().add(element, i + 1) + + return this + } + +}) +SVG.Mask = SVG.invent({ + // Initialize node + create: function() { + this.constructor.call(this, SVG.create('mask')) + + // keep references to masked elements + this.targets = [] + } + + // Inherit from +, inherit: SVG.Container + + // Add class methods +, extend: { + // Unmask all masked elements and remove itself + remove: function() { + // unmask all targets + for (var i = this.targets.length - 1; i >= 0; i--) + if (this.targets[i]) + this.targets[i].unmask() + this.targets = [] + + // remove mask from parent + this.parent().removeElement(this) + + return this + } + } + + // Add parent method +, construct: { + // Create masking element + mask: function() { + return this.defs().put(new SVG.Mask) + } + } +}) + + +SVG.extend(SVG.Element, { + // Distribute mask to svg element + maskWith: function(element) { + // use given mask or create a new one + this.masker = element instanceof SVG.Mask ? element : this.parent().mask().add(element) + + // store reverence on self in mask + this.masker.targets.push(this) + + // apply mask + return this.attr('mask', 'url("#' + this.masker.attr('id') + '")') + } + // Unmask element +, unmask: function() { + delete this.masker + return this.attr('mask', null) + } + +}) + +SVG.ClipPath = SVG.invent({ + // Initialize node + create: function() { + this.constructor.call(this, SVG.create('clipPath')) + + // keep references to clipped elements + this.targets = [] + } + + // Inherit from +, inherit: SVG.Container + + // Add class methods +, extend: { + // Unclip all clipped elements and remove itself + remove: function() { + // unclip all targets + for (var i = this.targets.length - 1; i >= 0; i--) + if (this.targets[i]) + this.targets[i].unclip() + this.targets = [] + + // remove clipPath from parent + this.parent().removeElement(this) + + return this + } + } + + // Add parent method +, construct: { + // Create clipping element + clip: function() { + return this.defs().put(new SVG.ClipPath) + } + } +}) + +// +SVG.extend(SVG.Element, { + // Distribute clipPath to svg element + clipWith: function(element) { + // use given clip or create a new one + this.clipper = element instanceof SVG.ClipPath ? element : this.parent().clip().add(element) + + // store reverence on self in mask + this.clipper.targets.push(this) + + // apply mask + return this.attr('clip-path', 'url("#' + this.clipper.attr('id') + '")') + } + // Unclip element +, unclip: function() { + delete this.clipper + return this.attr('clip-path', null) + } + +}) +SVG.Gradient = SVG.invent({ + // Initialize node + create: function(type) { + this.constructor.call(this, SVG.create(type + 'Gradient')) + + // store type + this.type = type + } + + // Inherit from +, inherit: SVG.Container + + // Add class methods +, extend: { + // Add a color stop + at: function(offset, color, opacity) { + return this.put(new SVG.Stop).update(offset, color, opacity) + } + // Update gradient + , update: function(block) { + // remove all stops + this.clear() + + // invoke passed block + if (typeof block == 'function') + block.call(this, this) + + return this + } + // Return the fill id + , fill: function() { + return 'url(#' + this.id() + ')' + } + // Alias string convertion to fill + , toString: function() { + return this.fill() + } + // custom attr to handle transform + , attr: function(a, b, c) { + if(a == 'transform') a = 'gradientTransform' + return SVG.Container.prototype.attr.call(this, a, b, c) + } + } + + // Add parent method +, construct: { + // Create gradient element in defs + gradient: function(type, block) { + return this.defs().gradient(type, block) + } + } +}) + +// Add animatable methods to both gradient and fx module +SVG.extend(SVG.Gradient, SVG.FX, { + // From position + from: function(x, y) { + return (this._target || this).type == 'radial' ? + this.attr({ fx: new SVG.Number(x), fy: new SVG.Number(y) }) : + this.attr({ x1: new SVG.Number(x), y1: new SVG.Number(y) }) + } + // To position +, to: function(x, y) { + return (this._target || this).type == 'radial' ? + this.attr({ cx: new SVG.Number(x), cy: new SVG.Number(y) }) : + this.attr({ x2: new SVG.Number(x), y2: new SVG.Number(y) }) + } +}) + +// Base gradient generation +SVG.extend(SVG.Defs, { + // define gradient + gradient: function(type, block) { + return this.put(new SVG.Gradient(type)).update(block) + } + +}) + +SVG.Stop = SVG.invent({ + // Initialize node + create: 'stop' + + // Inherit from +, inherit: SVG.Element + + // Add class methods +, extend: { + // add color stops + update: function(o) { + if (typeof o == 'number' || o instanceof SVG.Number) { + o = { + offset: arguments[0] + , color: arguments[1] + , opacity: arguments[2] + } + } + + // set attributes + if (o.opacity != null) this.attr('stop-opacity', o.opacity) + if (o.color != null) this.attr('stop-color', o.color) + if (o.offset != null) this.attr('offset', new SVG.Number(o.offset)) + + return this + } + } + +}) + +SVG.Pattern = SVG.invent({ + // Initialize node + create: 'pattern' + + // Inherit from +, inherit: SVG.Container + + // Add class methods +, extend: { + // Return the fill id + fill: function() { + return 'url(#' + this.id() + ')' + } + // Update pattern by rebuilding + , update: function(block) { + // remove content + this.clear() + + // invoke passed block + if (typeof block == 'function') + block.call(this, this) + + return this + } + // Alias string convertion to fill + , toString: function() { + return this.fill() + } + // custom attr to handle transform + , attr: function(a, b, c) { + if(a == 'transform') a = 'patternTransform' + return SVG.Container.prototype.attr.call(this, a, b, c) + } + + } + + // Add parent method +, construct: { + // Create pattern element in defs + pattern: function(width, height, block) { + return this.defs().pattern(width, height, block) + } + } +}) + +SVG.extend(SVG.Defs, { + // Define gradient + pattern: function(width, height, block) { + return this.put(new SVG.Pattern).update(block).attr({ + x: 0 + , y: 0 + , width: width + , height: height + , patternUnits: 'userSpaceOnUse' + }) + } + +}) +SVG.Doc = SVG.invent({ + // Initialize node + create: function(element) { + if (element) { + // ensure the presence of a dom element + element = typeof element == 'string' ? + document.getElementById(element) : + element + + // If the target is an svg element, use that element as the main wrapper. + // This allows svg.js to work with svg documents as well. + if (element.nodeName == 'svg') { + this.constructor.call(this, element) + } else { + this.constructor.call(this, SVG.create('svg')) + element.appendChild(this.node) + this.size('100%', '100%') + } + + // set svg element attributes and ensure defs node + this.namespace().defs() + } + } + + // Inherit from +, inherit: SVG.Container + + // Add class methods +, extend: { + // Add namespaces + namespace: function() { + return this + .attr({ xmlns: SVG.ns, version: '1.1' }) + .attr('xmlns:xlink', SVG.xlink, SVG.xmlns) + .attr('xmlns:svgjs', SVG.svgjs, SVG.xmlns) + } + // Creates and returns defs element + , defs: function() { + if (!this._defs) { + var defs + + // Find or create a defs element in this instance + if (defs = this.node.getElementsByTagName('defs')[0]) + this._defs = SVG.adopt(defs) + else + this._defs = new SVG.Defs + + // Make sure the defs node is at the end of the stack + this.node.appendChild(this._defs.node) + } + + return this._defs + } + // custom parent method + , parent: function() { + return this.node.parentNode.nodeName == '#document' ? null : this.node.parentNode + } + // Fix for possible sub-pixel offset. See: + // https://bugzilla.mozilla.org/show_bug.cgi?id=608812 + , spof: function(spof) { + var pos = this.node.getScreenCTM() + + if (pos) + this + .style('left', (-pos.e % 1) + 'px') + .style('top', (-pos.f % 1) + 'px') + + return this + } + + // Removes the doc from the DOM + , remove: function() { + if(this.parent()) { + this.parent().removeChild(this.node); + } + + return this; + } + } + +}) + +SVG.Shape = SVG.invent({ + // Initialize node + create: function(element) { + this.constructor.call(this, element) + } + + // Inherit from +, inherit: SVG.Element + +}) + +SVG.Bare = SVG.invent({ + // Initialize + create: function(element, inherit) { + // construct element + this.constructor.call(this, SVG.create(element)) + + // inherit custom methods + if (inherit) + for (var method in inherit.prototype) + if (typeof inherit.prototype[method] === 'function') + this[method] = inherit.prototype[method] + } + + // Inherit from +, inherit: SVG.Element + + // Add methods +, extend: { + // Insert some plain text + words: function(text) { + // remove contents + while (this.node.hasChildNodes()) + this.node.removeChild(this.node.lastChild) + + // create text node + this.node.appendChild(document.createTextNode(text)) + + return this + } + } +}) + + +SVG.extend(SVG.Parent, { + // Create an element that is not described by SVG.js + element: function(element, inherit) { + return this.put(new SVG.Bare(element, inherit)) + } + // Add symbol element +, symbol: function() { + return this.defs().element('symbol', SVG.Container) + } + +}) +SVG.Use = SVG.invent({ + // Initialize node + create: 'use' + + // Inherit from +, inherit: SVG.Shape + + // Add class methods +, extend: { + // Use element as a reference + element: function(element, file) { + // Set lined element + return this.attr('href', (file || '') + '#' + element, SVG.xlink) + } + } + + // Add parent method +, construct: { + // Create a use element + use: function(element, file) { + return this.put(new SVG.Use).element(element, file) + } + } +}) +SVG.Rect = SVG.invent({ + // Initialize node + create: 'rect' + + // Inherit from +, inherit: SVG.Shape + + // Add parent method +, construct: { + // Create a rect element + rect: function(width, height) { + return this.put(new SVG.Rect()).size(width, height) + } + } +}) +SVG.Circle = SVG.invent({ + // Initialize node + create: 'circle' + + // Inherit from +, inherit: SVG.Shape + + // Add parent method +, construct: { + // Create circle element, based on ellipse + circle: function(size) { + return this.put(new SVG.Circle).rx(new SVG.Number(size).divide(2)).move(0, 0) + } + } +}) + +SVG.extend(SVG.Circle, SVG.FX, { + // Radius x value + rx: function(rx) { + return this.attr('r', rx) + } + // Alias radius x value +, ry: function(ry) { + return this.rx(ry) + } +}) + +SVG.Ellipse = SVG.invent({ + // Initialize node + create: 'ellipse' + + // Inherit from +, inherit: SVG.Shape + + // Add parent method +, construct: { + // Create an ellipse + ellipse: function(width, height) { + return this.put(new SVG.Ellipse).size(width, height).move(0, 0) + } + } +}) + +SVG.extend(SVG.Ellipse, SVG.Rect, SVG.FX, { + // Radius x value + rx: function(rx) { + return this.attr('rx', rx) + } + // Radius y value +, ry: function(ry) { + return this.attr('ry', ry) + } +}) + +// Add common method +SVG.extend(SVG.Circle, SVG.Ellipse, { + // Move over x-axis + x: function(x) { + return x == null ? this.cx() - this.rx() : this.cx(x + this.rx()) + } + // Move over y-axis + , y: function(y) { + return y == null ? this.cy() - this.ry() : this.cy(y + this.ry()) + } + // Move by center over x-axis + , cx: function(x) { + return x == null ? this.attr('cx') : this.attr('cx', x) + } + // Move by center over y-axis + , cy: function(y) { + return y == null ? this.attr('cy') : this.attr('cy', y) + } + // Set width of element + , width: function(width) { + return width == null ? this.rx() * 2 : this.rx(new SVG.Number(width).divide(2)) + } + // Set height of element + , height: function(height) { + return height == null ? this.ry() * 2 : this.ry(new SVG.Number(height).divide(2)) + } + // Custom size function + , size: function(width, height) { + var p = proportionalSize(this, width, height) + + return this + .rx(new SVG.Number(p.width).divide(2)) + .ry(new SVG.Number(p.height).divide(2)) + } +}) +SVG.Line = SVG.invent({ + // Initialize node + create: 'line' + + // Inherit from +, inherit: SVG.Shape + + // Add class methods +, extend: { + // Get array + array: function() { + return new SVG.PointArray([ + [ this.attr('x1'), this.attr('y1') ] + , [ this.attr('x2'), this.attr('y2') ] + ]) + } + // Overwrite native plot() method + , plot: function(x1, y1, x2, y2) { + if (typeof y1 !== 'undefined') + x1 = { x1: x1, y1: y1, x2: x2, y2: y2 } + else + x1 = new SVG.PointArray(x1).toLine() + + return this.attr(x1) + } + // Move by left top corner + , move: function(x, y) { + return this.attr(this.array().move(x, y).toLine()) + } + // Set element size to given width and height + , size: function(width, height) { + var p = proportionalSize(this, width, height) + + return this.attr(this.array().size(p.width, p.height).toLine()) + } + } + + // Add parent method +, construct: { + // Create a line element + line: function(x1, y1, x2, y2) { + return this.put(new SVG.Line).plot(x1, y1, x2, y2) + } + } +}) + +SVG.Polyline = SVG.invent({ + // Initialize node + create: 'polyline' + + // Inherit from +, inherit: SVG.Shape + + // Add parent method +, construct: { + // Create a wrapped polyline element + polyline: function(p) { + return this.put(new SVG.Polyline).plot(p) + } + } +}) + +SVG.Polygon = SVG.invent({ + // Initialize node + create: 'polygon' + + // Inherit from +, inherit: SVG.Shape + + // Add parent method +, construct: { + // Create a wrapped polygon element + polygon: function(p) { + return this.put(new SVG.Polygon).plot(p) + } + } +}) + +// Add polygon-specific functions +SVG.extend(SVG.Polyline, SVG.Polygon, { + // Get array + array: function() { + return this._array || (this._array = new SVG.PointArray(this.attr('points'))) + } + // Plot new path +, plot: function(p) { + return this.attr('points', (this._array = new SVG.PointArray(p))) + } + // Move by left top corner +, move: function(x, y) { + return this.attr('points', this.array().move(x, y)) + } + // Set element size to given width and height +, size: function(width, height) { + var p = proportionalSize(this, width, height) + + return this.attr('points', this.array().size(p.width, p.height)) + } + +}) +// unify all point to point elements +SVG.extend(SVG.Line, SVG.Polyline, SVG.Polygon, { + // Define morphable array + morphArray: SVG.PointArray + // Move by left top corner over x-axis +, x: function(x) { + return x == null ? this.bbox().x : this.move(x, this.bbox().y) + } + // Move by left top corner over y-axis +, y: function(y) { + return y == null ? this.bbox().y : this.move(this.bbox().x, y) + } + // Set width of element +, width: function(width) { + var b = this.bbox() + + return width == null ? b.width : this.size(width, b.height) + } + // Set height of element +, height: function(height) { + var b = this.bbox() + + return height == null ? b.height : this.size(b.width, height) + } +}) +SVG.Path = SVG.invent({ + // Initialize node + create: 'path' + + // Inherit from +, inherit: SVG.Shape + + // Add class methods +, extend: { + // Define morphable array + morphArray: SVG.PathArray + // Get array + , array: function() { + return this._array || (this._array = new SVG.PathArray(this.attr('d'))) + } + // Plot new poly points + , plot: function(p) { + return this.attr('d', (this._array = new SVG.PathArray(p))) + } + // Move by left top corner + , move: function(x, y) { + return this.attr('d', this.array().move(x, y)) + } + // Move by left top corner over x-axis + , x: function(x) { + return x == null ? this.bbox().x : this.move(x, this.bbox().y) + } + // Move by left top corner over y-axis + , y: function(y) { + return y == null ? this.bbox().y : this.move(this.bbox().x, y) + } + // Set element size to given width and height + , size: function(width, height) { + var p = proportionalSize(this, width, height) + + return this.attr('d', this.array().size(p.width, p.height)) + } + // Set width of element + , width: function(width) { + return width == null ? this.bbox().width : this.size(width, this.bbox().height) + } + // Set height of element + , height: function(height) { + return height == null ? this.bbox().height : this.size(this.bbox().width, height) + } + + } + + // Add parent method +, construct: { + // Create a wrapped path element + path: function(d) { + return this.put(new SVG.Path).plot(d) + } + } +}) +SVG.Image = SVG.invent({ + // Initialize node + create: 'image' + + // Inherit from +, inherit: SVG.Shape + + // Add class methods +, extend: { + // (re)load image + load: function(url) { + if (!url) return this + + var self = this + , img = document.createElement('img') + + // preload image + img.onload = function() { + var p = self.parent(SVG.Pattern) + + if(p === null) return + + // ensure image size + if (self.width() == 0 && self.height() == 0) + self.size(img.width, img.height) + + // ensure pattern size if not set + if (p && p.width() == 0 && p.height() == 0) + p.size(self.width(), self.height()) + + // callback + if (typeof self._loaded === 'function') + self._loaded.call(self, { + width: img.width + , height: img.height + , ratio: img.width / img.height + , url: url + }) + } + + img.onerror = function(e){ + if (typeof self._error === 'function'){ + self._error.call(self, e) + } + } + + return this.attr('href', (img.src = this.src = url), SVG.xlink) + } + // Add loaded callback + , loaded: function(loaded) { + this._loaded = loaded + return this + } + + , error: function(error) { + this._error = error + return this + } + } + + // Add parent method +, construct: { + // create image element, load image and set its size + image: function(source, width, height) { + return this.put(new SVG.Image).load(source).size(width || 0, height || width || 0) + } + } + +}) +SVG.Text = SVG.invent({ + // Initialize node + create: function() { + this.constructor.call(this, SVG.create('text')) + + this.dom.leading = new SVG.Number(1.3) // store leading value for rebuilding + this._rebuild = true // enable automatic updating of dy values + this._build = false // disable build mode for adding multiple lines + + // set default font + this.attr('font-family', SVG.defaults.attrs['font-family']) + } + + // Inherit from +, inherit: SVG.Shape + + // Add class methods +, extend: { + // Move over x-axis + x: function(x) { + // act as getter + if (x == null) + return this.attr('x') + + // move lines as well if no textPath is present + if (!this.textPath) + this.lines().each(function() { if (this.dom.newLined) this.x(x) }) + + return this.attr('x', x) + } + // Move over y-axis + , y: function(y) { + var oy = this.attr('y') + , o = typeof oy === 'number' ? oy - this.bbox().y : 0 + + // act as getter + if (y == null) + return typeof oy === 'number' ? oy - o : oy + + return this.attr('y', typeof y === 'number' ? y + o : y) + } + // Move center over x-axis + , cx: function(x) { + return x == null ? this.bbox().cx : this.x(x - this.bbox().width / 2) + } + // Move center over y-axis + , cy: function(y) { + return y == null ? this.bbox().cy : this.y(y - this.bbox().height / 2) + } + // Set the text content + , text: function(text) { + // act as getter + if (typeof text === 'undefined'){ + var text = '' + var children = this.node.childNodes + for(var i = 0, len = children.length; i < len; ++i){ + + // add newline if its not the first child and newLined is set to true + if(i != 0 && children[i].nodeType != 3 && SVG.adopt(children[i]).dom.newLined == true){ + text += '\n' + } + + // add content of this node + text += children[i].textContent + } + + return text + } + + // remove existing content + this.clear().build(true) + + if (typeof text === 'function') { + // call block + text.call(this, this) + + } else { + // store text and make sure text is not blank + text = text.split('\n') + + // build new lines + for (var i = 0, il = text.length; i < il; i++) + this.tspan(text[i]).newLine() + } + + // disable build mode and rebuild lines + return this.build(false).rebuild() + } + // Set font size + , size: function(size) { + return this.attr('font-size', size).rebuild() + } + // Set / get leading + , leading: function(value) { + // act as getter + if (value == null) + return this.dom.leading + + // act as setter + this.dom.leading = new SVG.Number(value) + + return this.rebuild() + } + // Get all the first level lines + , lines: function() { + var node = (this.textPath && this.textPath() || this).node + + // filter tspans and map them to SVG.js instances + var lines = SVG.utils.map(SVG.utils.filterSVGElements(node.childNodes), function(el){ + return SVG.adopt(el) + }) + + // return an instance of SVG.set + return new SVG.Set(lines) + } + // Rebuild appearance type + , rebuild: function(rebuild) { + // store new rebuild flag if given + if (typeof rebuild == 'boolean') + this._rebuild = rebuild + + // define position of all lines + if (this._rebuild) { + var self = this + , blankLineOffset = 0 + , dy = this.dom.leading * new SVG.Number(this.attr('font-size')) + + this.lines().each(function() { + if (this.dom.newLined) { + if (!this.textPath) + this.attr('x', self.attr('x')) + + if(this.text() == '\n') { + blankLineOffset += dy + }else{ + this.attr('dy', dy + blankLineOffset) + blankLineOffset = 0 + } + } + }) + + this.fire('rebuild') + } + + return this + } + // Enable / disable build mode + , build: function(build) { + this._build = !!build + return this + } + // overwrite method from parent to set data properly + , setData: function(o){ + this.dom = o + this.dom.leading = new SVG.Number(o.leading || 1.3) + return this + } + } + + // Add parent method +, construct: { + // Create text element + text: function(text) { + return this.put(new SVG.Text).text(text) + } + // Create plain text element + , plain: function(text) { + return this.put(new SVG.Text).plain(text) + } + } + +}) + +SVG.Tspan = SVG.invent({ + // Initialize node + create: 'tspan' + + // Inherit from +, inherit: SVG.Shape + + // Add class methods +, extend: { + // Set text content + text: function(text) { + if(text == null) return this.node.textContent + (this.dom.newLined ? '\n' : '') + + typeof text === 'function' ? text.call(this, this) : this.plain(text) + + return this + } + // Shortcut dx + , dx: function(dx) { + return this.attr('dx', dx) + } + // Shortcut dy + , dy: function(dy) { + return this.attr('dy', dy) + } + // Create new line + , newLine: function() { + // fetch text parent + var t = this.parent(SVG.Text) + + // mark new line + this.dom.newLined = true + + // apply new hy¡n + return this.dy(t.dom.leading * t.attr('font-size')).attr('x', t.x()) + } + } + +}) + +SVG.extend(SVG.Text, SVG.Tspan, { + // Create plain text node + plain: function(text) { + // clear if build mode is disabled + if (this._build === false) + this.clear() + + // create text node + this.node.appendChild(document.createTextNode(text)) + + return this + } + // Create a tspan +, tspan: function(text) { + var node = (this.textPath && this.textPath() || this).node + , tspan = new SVG.Tspan + + // clear if build mode is disabled + if (this._build === false) + this.clear() + + // add new tspan + node.appendChild(tspan.node) + + return tspan.text(text) + } + // Clear all lines +, clear: function() { + var node = (this.textPath && this.textPath() || this).node + + // remove existing child nodes + while (node.hasChildNodes()) + node.removeChild(node.lastChild) + + return this + } + // Get length of text element +, length: function() { + return this.node.getComputedTextLength() + } +}) + +SVG.TextPath = SVG.invent({ + // Initialize node + create: 'textPath' + + // Inherit from +, inherit: SVG.Parent + + // Define parent class +, parent: SVG.Text + + // Add parent method +, construct: { + // Create path for text to run on + path: function(d) { + // create textPath element + var path = new SVG.TextPath + , track = this.doc().defs().path(d) + + // move lines to textpath + while (this.node.hasChildNodes()) + path.node.appendChild(this.node.firstChild) + + // add textPath element as child node + this.node.appendChild(path.node) + + // link textPath to path and add content + path.attr('href', '#' + track, SVG.xlink) + + return this + } + // Plot path if any + , plot: function(d) { + var track = this.track() + + if (track) + track.plot(d) + + return this + } + // Get the path track element + , track: function() { + var path = this.textPath() + + if (path) + return path.reference('href') + } + // Get the textPath child + , textPath: function() { + if (this.node.firstChild && this.node.firstChild.nodeName == 'textPath') + return SVG.adopt(this.node.firstChild) + } + } +}) +SVG.Nested = SVG.invent({ + // Initialize node + create: function() { + this.constructor.call(this, SVG.create('svg')) + + this.style('overflow', 'visible') + } + + // Inherit from +, inherit: SVG.Container + + // Add parent method +, construct: { + // Create nested svg document + nested: function() { + return this.put(new SVG.Nested) + } + } +}) +SVG.A = SVG.invent({ + // Initialize node + create: 'a' + + // Inherit from +, inherit: SVG.Container + + // Add class methods +, extend: { + // Link url + to: function(url) { + return this.attr('href', url, SVG.xlink) + } + // Link show attribute + , show: function(target) { + return this.attr('show', target, SVG.xlink) + } + // Link target attribute + , target: function(target) { + return this.attr('target', target) + } + } + + // Add parent method +, construct: { + // Create a hyperlink element + link: function(url) { + return this.put(new SVG.A).to(url) + } + } +}) + +SVG.extend(SVG.Element, { + // Create a hyperlink element + linkTo: function(url) { + var link = new SVG.A + + if (typeof url == 'function') + url.call(link, link) + else + link.to(url) + + return this.parent().put(link).put(this) + } + +}) +SVG.Marker = SVG.invent({ + // Initialize node + create: 'marker' + + // Inherit from +, inherit: SVG.Container + + // Add class methods +, extend: { + // Set width of element + width: function(width) { + return this.attr('markerWidth', width) + } + // Set height of element + , height: function(height) { + return this.attr('markerHeight', height) + } + // Set marker refX and refY + , ref: function(x, y) { + return this.attr('refX', x).attr('refY', y) + } + // Update marker + , update: function(block) { + // remove all content + this.clear() + + // invoke passed block + if (typeof block == 'function') + block.call(this, this) + + return this + } + // Return the fill id + , toString: function() { + return 'url(#' + this.id() + ')' + } + } + + // Add parent method +, construct: { + marker: function(width, height, block) { + // Create marker element in defs + return this.defs().marker(width, height, block) + } + } + +}) + +SVG.extend(SVG.Defs, { + // Create marker + marker: function(width, height, block) { + // Set default viewbox to match the width and height, set ref to cx and cy and set orient to auto + return this.put(new SVG.Marker) + .size(width, height) + .ref(width / 2, height / 2) + .viewbox(0, 0, width, height) + .attr('orient', 'auto') + .update(block) + } + +}) + +SVG.extend(SVG.Line, SVG.Polyline, SVG.Polygon, SVG.Path, { + // Create and attach markers + marker: function(marker, width, height, block) { + var attr = ['marker'] + + // Build attribute name + if (marker != 'all') attr.push(marker) + attr = attr.join('-') + + // Set marker attribute + marker = arguments[1] instanceof SVG.Marker ? + arguments[1] : + this.doc().marker(width, height, block) + + return this.attr(attr, marker) + } + +}) +// 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 i, extension = {} + + extension[m] = function(o) { + 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.FX, extension) + +}) + +SVG.extend(SVG.Element, SVG.FX, { + // Map rotation to transform + rotate: function(d, cx, cy) { + return this.transform({ rotation: d, cx: cx, cy: cy }) + } + // Map skew to transform +, skew: function(x, y, cx, cy) { + return this.transform({ skewX: x, skewY: y, cx: cx, cy: cy }) + } + // Map scale to transform +, scale: function(x, y, cx, cy) { + return arguments.length == 1 || arguments.length == 3 ? + this.transform({ scale: x, cx: y, cy: cx }) : + this.transform({ scaleX: x, scaleY: y, cx: cx, cy: cy }) + } + // Map translate to transform +, translate: function(x, y) { + return this.transform({ x: x, y: y }) + } + // Map flip to transform +, flip: function(a, o) { + return this.transform({ flip: a, offset: o }) + } + // Map matrix to transform +, matrix: function(m) { + return this.attr('transform', new SVG.Matrix(m)) + } + // Opacity +, opacity: function(value) { + return this.attr('opacity', value) + } + // Relative move over x axis +, dx: function(x) { + return this.x((this instanceof SVG.FX ? 0 : this.x()) + x, true) + } + // Relative move over y axis +, dy: function(y) { + return this.y((this instanceof SVG.FX ? 0 : this.y()) + 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.FX, { + // Add x and y radius + radius: function(x, y) { + var type = (this._target || this).type; + return type == 'radial' || type == 'circle' ? + 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 this.node.getPointAtLength(length) + } +}) + +SVG.extend(SVG.Parent, SVG.Text, SVG.FX, { + // Set font + font: function(o) { + for (var k in o) + k == 'leading' ? + this.leading(o[k]) : + k == 'anchor' ? + this.attr('text-anchor', o[k]) : + k == 'size' || k == 'family' || k == 'weight' || k == 'stretch' || k == 'variant' || k == 'style' ? + this.attr('font-'+ k, o[k]) : + this.attr(k, o[k]) + + return this + } +}) + + +SVG.Set = SVG.invent({ + // Initialize + create: function(members) { + // Set initial state + Array.isArray(members) ? this.members = members : this.clear() + } + + // Add class methods +, extend: { + // Add element to set + add: function() { + var i, il, elements = [].slice.call(arguments) + + for (i = 0, il = elements.length; i < il; i++) + this.members.push(elements[i]) + + return this + } + // Remove element from set + , remove: function(element) { + var i = this.index(element) + + // remove given child + if (i > -1) + this.members.splice(i, 1) + + return this + } + // Iterate over all members + , each: function(block) { + for (var i = 0, il = this.members.length; i < il; i++) + block.apply(this.members[i], [i, this.members]) + + return this + } + // Restore to defaults + , clear: function() { + // initialize store + this.members = [] + + return this + } + // Get the length of a set + , length: function() { + return this.members.length + } + // Checks if a given element is present in set + , has: function(element) { + return this.index(element) >= 0 + } + // retuns index of given element in set + , index: function(element) { + return this.members.indexOf(element) + } + // Get member at given index + , get: function(i) { + return this.members[i] + } + // Get first member + , first: function() { + return this.get(0) + } + // Get last member + , last: function() { + return this.get(this.members.length - 1) + } + // Default value + , valueOf: function() { + return this.members + } + // Get the bounding box of all members included or empty box if set has no items + , bbox: function(){ + var box = new SVG.BBox() + + // return an empty box of there are no members + if (this.members.length == 0) + return box + + // get the first rbox and update the target bbox + var rbox = this.members[0].rbox() + box.x = rbox.x + box.y = rbox.y + box.width = rbox.width + box.height = rbox.height + + this.each(function() { + // user rbox for correct position and visual representation + box = box.merge(this.rbox()) + }) + + return box + } + } + + // Add parent method +, construct: { + // Create a new set + set: function(members) { + return new SVG.Set(members) + } + } +}) + +SVG.FX.Set = SVG.invent({ + // Initialize node + create: function(set) { + // store reference to set + this.set = set + } + +}) + +// Alias methods +SVG.Set.inherit = function() { + var m + , methods = [] + + // gather shape methods + for(var m in SVG.Shape.prototype) + if (typeof SVG.Shape.prototype[m] == 'function' && typeof SVG.Set.prototype[m] != 'function') + methods.push(m) + + // apply shape aliasses + methods.forEach(function(method) { + SVG.Set.prototype[method] = function() { + for (var i = 0, il = this.members.length; i < il; i++) + if (this.members[i] && typeof this.members[i][method] == 'function') + this.members[i][method].apply(this.members[i], arguments) + + return method == 'animate' ? (this.fx || (this.fx = new SVG.FX.Set(this))) : this + } + }) + + // clear methods for the next round + methods = [] + + // gather fx methods + for(var m in SVG.FX.prototype) + if (typeof SVG.FX.prototype[m] == 'function' && typeof SVG.FX.Set.prototype[m] != 'function') + methods.push(m) + + // apply fx aliasses + methods.forEach(function(method) { + SVG.FX.Set.prototype[method] = function() { + for (var i = 0, il = this.set.members.length; i < il; i++) + this.set.members[i].fx[method].apply(this.set.members[i].fx, arguments) + + return this + } + }) +} + + + + +SVG.extend(SVG.Element, { + // Store data values on svg nodes + data: function(a, v, r) { + if (typeof a == 'object') { + for (v in a) + this.data(v, a[v]) + + } else if (arguments.length < 2) { + try { + return JSON.parse(this.attr('data-' + a)) + } catch(e) { + return this.attr('data-' + a) + } + + } else { + this.attr( + 'data-' + a + , v === null ? + null : + r === true || typeof v === 'string' || typeof v === 'number' ? + v : + JSON.stringify(v) + ) + } + + return this + } +}) +SVG.extend(SVG.Element, { + // Remember arbitrary data + remember: function(k, v) { + // remember every item in an object individually + if (typeof arguments[0] == 'object') + for (var v in k) + this.remember(v, k[v]) + + // retrieve memory + else if (arguments.length == 1) + return this.memory()[k] + + // store memory + else + this.memory()[k] = v + + return this + } + + // Erase a given memory +, forget: function() { + if (arguments.length == 0) + this._memory = {} + else + for (var i = arguments.length - 1; i >= 0; i--) + delete this.memory()[arguments[i]] + + return this + } + + // Initialize or return local memory object +, memory: function() { + return this._memory || (this._memory = {}) + } + +}) +// Method for getting an element by id +SVG.get = function(id) { + var node = document.getElementById(idFromReference(id) || id) + return SVG.adopt(node) +} + +// Select elements by query string +SVG.select = function(query, parent) { + return new SVG.Set( + SVG.utils.map((parent || document).querySelectorAll(query), function(node) { + return SVG.adopt(node) + }) + ) +} + +SVG.extend(SVG.Parent, { + // Scoped select method + select: function(query) { + return SVG.select(query, this.node) + } + +}) +function is(el, obj){ + return el instanceof obj +} + +// tests if a given selector matches an element +function matches(el, selector) { + return (el.matches || el.matchesSelector || el.msMatchesSelector || el.mozMatchesSelector || el.webkitMatchesSelector || el.oMatchesSelector).call(el, selector); +} + +// 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 ? 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