/* svg.js v1.0rc3-7-g5c9f99f - svg inventor regex default color array pointarray patharray number viewbox bbox rbox element parent container fx relative event defs group arrange mask clip gradient doc shape use rect ellipse line poly path image text textpath nested hyperlink sugar set data memory loader - svgjs.com/license */ ;(function() { this.SVG = function(element) { if (SVG.supported) { element = new SVG.Doc(element) if (!SVG.parser) SVG.prepare(element) 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' // Element id sequence SVG.did = 1000 // Get next named element id SVG.eid = function(name) { return 'Svgjs' + name.charAt(0).toUpperCase() + name.slice(1) + (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() } // Method for getting an element by id SVG.get = function(id) { var node = document.getElementById(id) if (node) return node.instance } // Initialize parsing element SVG.prepare = function(element) { /* select document body and create invisible svg element */ var body = document.getElementsByTagName('body')[0] , draw = (body ? new SVG.Doc(body) : element.nested()).size(2, 2) /* create parser object */ SVG.parser = { body: body || element.parent , draw: draw.style('opacity:0;position:fixed;left:100%;top:100%;overflow:hidden') , poly: draw.polygon().node , path: draw.path().node } } // svg support test SVG.supported = (function() { return !! document.createElementNS && !! document.createElementNS(SVG.ns,'svg').createSVGRect })() if (!SVG.supported) return false 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 } SVG.regex = { /* test a given value */ test: function(value, test) { return this[test].test(value) } /* parse unit value */ , unit: /^(-?[\d\.]+)([a-z%]{0,2})$/ /* parse hex value */ , hex: /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i /* parse rgb value */ , rgb: /rgb\((\d+),(\d+),(\d+)\)/ /* test hex value */ , isHex: /^#[a-f0-9]{3,6}$/i /* test rgb value */ , isRgb: /^rgb\(/ /* test css declaration */ , isCss: /[^:]+:[^;]+;?/ /* test css property */ , isStyle: /^font|text|leading|cursor/ /* test for blank string */ , isBlank: /^(\s+)?$/ /* test for numeric string */ , isNumber: /^-?[\d\.]+$/ /* test for percent value */ , isPercent: /^-?[\d\.]+%$/ } SVG.defaults = { // Default matrix matrix: '1 0 0 1 0 0' // 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' } // Default transformation values , trans: function() { return { /* translate */ x: 0 , y: 0 /* scale */ , scaleX: 1 , scaleY: 1 /* rotate */ , rotation: 0 /* skew */ , skewX: 0 , skewY: 0 /* matrix */ , matrix: this.matrix , a: 1 , b: 0 , c: 0 , d: 1 , e: 0 , f: 0 } } } SVG.Color = function(color) { var match /* initialize defaults */ this.r = 0 this.g = 0 this.b = 0 /* 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(this._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 '#' + this._compToHex(this.r) + this._compToHex(this.g) + this._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) }) } // Private: ensure to six-based hex , _fullHex: function(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 } // Private: component to hex value , _compToHex: function(comp) { var hex = comp.toString(16) return hex.length == 1 ? '0' + hex : hex } }) // 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) } 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.replace(/\s+/g, ' ').replace(/^\s+|\s+$/g,'').split(' ') } }) SVG.PointArray = function() { this.constructor.apply(this, arguments) } // 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(' ') } // 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.x } return this } // Get bounding box of points , bbox: function() { if (this._cachedBBox) return this._cachedBBox SVG.parser.poly.setAttribute('points', this.toString()) return SVG.parser.poly.getBBox() } }) SVG.PathArray = function(array, fallback) { this.constructor.call(this, array, fallback) } // Inherit from SVG.Array SVG.PathArray.prototype = new SVG.Array SVG.extend(SVG.PathArray, { // Convert array to string toString: function() { for (var s, i = 0, il = this.value.length, array = []; i < il; i++) { s = [this.value[i].type] switch(this.value[i].type) { case 'H': s.push(this.value[i].x) break case 'V': s.push(this.value[i].y) break case 'M': case 'L': case 'T': case 'S': case 'Q': case 'C': if (/[QC]/.test(this.value[i].type)) s.push(this.value[i].x1, this.value[i].y1) if (/[CS]/.test(this.value[i].type)) s.push(this.value[i].x2, this.value[i].y2) s.push(this.value[i].x, this.value[i].y) break case 'A': s.push( this.value[i].r1 , this.value[i].r2 , this.value[i].a || 0 , this.value[i].l || 0 , this.value[i].s || 0 , this.value[i].x , this.value[i].y ) break } /* add to array */ array.push(s.join(' ')) } return array.join(' ') } // 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 i = this.value.length - 1; i >= 0; i--) { switch (this.value[i].type) { case 'H': /* move along x axis only */ this.value[i].x += x break case 'V': /* move along y axis only */ this.value[i].y += y break case 'M': case 'L': case 'T': case 'S': case 'Q': case 'C': /* move first point along x and y axes */ this.value[i].x += x this.value[i].y += y /* move third points along x and y axes */ if (/[CQ]/.test(this.value[i].type)) { this.value[i].x1 += x this.value[i].y1 += y } /* move second points along x and y axes */ if (/[CS]/.test(this.value[i].type)) { this.value[i].x2 += x this.value[i].y2 += y } break case 'A': /* only move position values */ this.value[i].x += x this.value[i].y += y break } } } return this } // Resize path string , size: function(width, height) { /* get bounding box of current situation */ var box = this.bbox() /* recalculate position of all points according to new size */ for (var i = this.value.length - 1; i >= 0; i--) { switch (this.value[i].type) { case 'H': /* move along x axis only */ this.value[i].x = ((this.value[i].x - box.x) * width) / box.width + box.x break case 'V': /* move along y axis only */ this.value[i].y = ((this.value[i].y - box.y) * height) / box.height + box.y break case 'M': case 'L': case 'T': case 'S': case 'Q': case 'C': this.value[i].x = ((this.value[i].x - box.x) * width) / box.width + box.x this.value[i].y = ((this.value[i].y - box.y) * height) / box.height + box.y /* move third points along x and y axes */ if (/[CQ]/.test(this.value[i].type)) { this.value[i].x1 = ((this.value[i].x1 - box.x) * width) / box.width + box.x this.value[i].y1 = ((this.value[i].y1 - box.y) * height) / box.height + box.y } /* move second points along x and y axes */ if (/[CS]/.test(this.value[i].type)) { this.value[i].x2 = ((this.value[i].x2 - box.x) * width) / box.width + box.x this.value[i].y2 = ((this.value[i].y2 - box.y) * height) / box.height + box.y } break case 'A': /* resize radii */ this.value[i].values.r1 = (this.value[i].values.r1 * width) / box.width this.value[i].values.r2 = (this.value[i].values.r2 * height) / box.height /* move position values */ this.value[i].values.x = ((this.value[i].values.x - box.x) * width) / box.width + box.x this.value[i].values.y = ((this.value[i].values.y - box.y) * height) / box.height + box.y break } } return this } // Absolutize and parse path to array , parse: function(array) { array = array.valueOf() /* if already is an array, no need to parse it */ if (Array.isArray(array)) return array /* prepare for parsing */ var i, il, x0, y0, x1, y1, x2, y2, s, seg, segs , x = 0 , y = 0 /* populate working path */ SVG.parser.path.setAttribute('d', array) /* get segments */ segs = SVG.parser.path.pathSegList for (i = 0, il = segs.numberOfItems; i < il; ++i) { seg = segs.getItem(i) s = seg.pathSegTypeAsLetter if (/[MLHVCSQTA]/.test(s)) { if ('x' in seg) x = seg.x if ('y' in seg) y = seg.y } else { if ('x1' in seg) x1 = x + seg.x1 if ('x2' in seg) x2 = x + seg.x2 if ('y1' in seg) y1 = y + seg.y1 if ('y2' in seg) y2 = y + seg.y2 if ('x' in seg) x += seg.x if ('y' in seg) y += seg.y switch(s){ case 'm': segs.replaceItem(SVG.parser.path.createSVGPathSegMovetoAbs(x, y), i) break case 'l': segs.replaceItem(SVG.parser.path.createSVGPathSegLinetoAbs(x, y), i) break case 'h': segs.replaceItem(SVG.parser.path.createSVGPathSegLinetoHorizontalAbs(x), i) break case 'v': segs.replaceItem(SVG.parser.path.createSVGPathSegLinetoVerticalAbs(y), i) break case 'c': segs.replaceItem(SVG.parser.path.createSVGPathSegCurvetoCubicAbs(x, y, x1, y1, x2, y2), i) break case 's': segs.replaceItem(SVG.parser.path.createSVGPathSegCurvetoCubicSmoothAbs(x, y, x2, y2), i) break case 'q': segs.replaceItem(SVG.parser.path.createSVGPathSegCurvetoQuadraticAbs(x, y, x1, y1), i) break case 't': segs.replaceItem(SVG.parser.path.createSVGPathSegCurvetoQuadraticSmoothAbs(x, y), i) break case 'a': segs.replaceItem(SVG.parser.path.createSVGPathSegArcAbs(x, y, seg.r1, seg.r2, seg.angle, seg.largeArcFlag, seg.sweepFlag), i) break case 'z': case 'Z': x = x0 y = y0 break } } /* record the start of a subpath */ if (/[Mm]/.test(s)) { x0 = x y0 = y } } /* build internal representation */ array = [] segs = SVG.parser.path.pathSegList for (i = 0, il = segs.numberOfItems; i < il; ++i) { seg = segs.getItem(i) s = {} switch (seg.pathSegTypeAsLetter) { case 'M': case 'L': case 'T': case 'S': case 'Q': case 'C': if (/[QC]/.test(seg.pathSegTypeAsLetter)) { s.x1 = seg.x1 s.y1 = seg.y1 } if (/[SC]/.test(seg.pathSegTypeAsLetter)) { s.x2 = seg.x2 s.y2 = seg.y2 } break case 'A': s = { r1: seg.r1 , r2: seg.r2 , a: seg.angle , l: seg.largeArcFlag , s: seg.sweepFlag } break } /* make the letter, x and y values accessible as key/values */ s.type = seg.pathSegTypeAsLetter s.x = seg.x s.y = seg.y /* store segment */ array.push(s) } return array } // Get bounding box of path , bbox: function() { SVG.parser.path.setAttribute('d', this.toString()) return SVG.parser.path.getBBox() } }) SVG.Number = function(value) { /* initialize defaults */ this.value = 0 this.unit = '' /* parse value */ switch(typeof value) { case 'number': /* ensure a valid numeric value */ this.value = isNaN(value) ? 0 : !isFinite(value) ? (value < 0 ? -3.4e+38 : +3.4e+38) : value break case 'string': var match = value.match(SVG.regex.unit) if (match) { /* make value numeric */ this.value = parseFloat(match[1]) /* normalize percent value */ if (match[2] == '%') this.value /= 100 else if (match[2] == 's') this.value *= 1000 /* store unit */ this.unit = match[2] } break default: if (value instanceof SVG.Number) { this.value = value.value this.unit = value.unit } break } } SVG.extend(SVG.Number, { // Stringalize toString: function() { return ( this.unit == '%' ? ~~(this.value * 1e8) / 1e6: this.unit == 's' ? this.value / 1e3 : this.value ) + this.unit } , // Convert to primitive valueOf: function() { return this.value } // Add number , plus: function(number) { this.value = this + new SVG.Number(number) return this } // Subtract number , minus: function(number) { return this.plus(-new SVG.Number(number)) } // Multiply number , times: function(number) { this.value = this * new SVG.Number(number) return this } // Divide number , divide: function(number) { this.value = this / new SVG.Number(number) return this } // Convert to different unit , to: function(unit) { if (typeof unit === 'string') this.unit = unit return this } // 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 morphed number */ return new SVG.Number(this.destination) .minus(this) .times(pos) .plus(this) } }) SVG.ViewBox = function(element) { var x, y, width, height , wm = 1 /* width multiplier */ , hm = 1 /* height multiplier */ , box = element.bbox() , view = (element.attr('viewBox') || '').match(/-?[\d\.]+/g) /* get dimensions of current node */ width = new SVG.Number(element.width()) height = new SVG.Number(element.height()) /* find nearest non-percentual dimensions */ while (width.unit == '%') { wm *= width.value width = new SVG.Number(element instanceof SVG.Doc ? element.parent.offsetWidth : element.width()) } while (height.unit == '%') { hm *= height.value height = new SVG.Number(element instanceof SVG.Doc ? element.parent.offsetHeight : element.height()) } /* ensure defaults */ this.x = box.x this.y = box.y 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 } } // SVG.extend(SVG.ViewBox, { // Parse viewbox to string toString: function() { return this.x + ' ' + this.y + ' ' + this.width + ' ' + this.height } }) SVG.BBox = function(element) { var box /* initialize zero box */ this.x = 0 this.y = 0 this.width = 0 this.height = 0 /* get values if element is given */ if (element) { try { /* actual, native bounding box */ box = element.node.getBBox() } catch(e) { /* fallback for some browsers */ box = { x: element.node.clientLeft , y: element.node.clientTop , width: element.node.clientWidth , height: element.node.clientHeight } } /* include translations on x an y */ this.x = box.x + element.trans.x this.y = box.y + element.trans.y /* plain width and height */ this.width = box.width * element.trans.scaleX this.height = box.height * element.trans.scaleY } /* add the center */ this.cx = this.x + this.width / 2 this.cy = this.y + this.height / 2 } // SVG.extend(SVG.BBox, { // merge bounding box with another, return a new instance merge: function(box) { var b = new SVG.BBox() /* merge box */ 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 /* add the center */ b.cx = b.x + b.width / 2 b.cy = b.y + b.height / 2 return b } }) SVG.RBox = function(element) { var e, zoom , box = {} /* initialize zero box */ this.x = 0 this.y = 0 this.width = 0 this.height = 0 if (element) { e = element.doc().parent zoom = element.doc().viewbox().zoom /* actual, native bounding box */ box = element.node.getBoundingClientRect() /* 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 = e.parent) { if (e.type == 'svg' && e.viewbox) { zoom *= e.viewbox().zoom this.x -= e.x() || 0 this.y -= e.y() || 0 } } } /* recalculate viewbox distortion */ this.x /= zoom this.y /= zoom this.width = box.width /= zoom this.height = box.height /= zoom /* add the center */ this.cx = this.x + this.width / 2 this.cy = this.y + this.height / 2 } // SVG.extend(SVG.RBox, { // merge rect box with another, return a new instance merge: function(box) { var b = new SVG.RBox() /* merge box */ 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 /* add the center */ b.cx = b.x + b.width / 2 b.cy = b.y + b.height / 2 return b } }) SVG.Element = SVG.invent({ // Initialize node create: function(node) { /* make stroke value accessible dynamically */ this._stroke = SVG.defaults.attrs.stroke /* initialize style store */ this.styles = {} /* initialize transformation store with defaults */ this.trans = SVG.defaults.trans() /* keep reference to the element node */ if (this.node = node) { this.type = node.nodeName this.node.instance = this } } // Add class methods , extend: { // Move over x-axis x: function(x) { if (x) { x = new SVG.Number(x) x.value /= this.trans.scaleX } return this.attr('x', x) } // Move over y-axis , y: function(y) { if (y) { y = new SVG.Number(y) y.value /= this.trans.scaleY } 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 = this._proportionalSize(width, height) return this.attr({ width: new SVG.Number(p.width) , height: new SVG.Number(p.height) }) } // Clone element , clone: function() { var clone , attr , type = this.type /* invoke shape method with shape-specific arguments */ clone = type == 'rect' || type == 'ellipse' ? this.parent[type](0,0) : type == 'line' ? this.parent[type](0,0,0,0) : type == 'image' ? this.parent[type](this.src) : type == 'text' ? this.parent[type](this.content) : type == 'path' ? this.parent[type](this.attr('d')) : type == 'polyline' || type == 'polygon' ? this.parent[type](this.attr('points')) : type == 'g' ? this.parent.group() : this.parent[type]() /* apply attributes attributes */ attr = this.attr() delete attr.id clone.attr(attr) /* copy transformations */ clone.trans = this.trans /* apply attributes and translations */ return clone.transform({}) } // 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 parent document , doc: function(type) { return this._parent(type || SVG.Doc) } // Set svg element attribute , attr: function(a, v, n) { 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.test(v[n].nodeValue, 'isNumber') ? 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 for style attributes */ if (this._isStyle(a)) { return a == 'text' ? this.content : a == 'leading' && this.leading ? this.leading() : this.style(a) /* act as a getter if the first and only argument is not an object */ } else { v = this.node.getAttribute(a) return v == null ? SVG.defaults.attrs[a] : SVG.regex.test(v, 'isNumber') ? parseFloat(v) : v } } else if (a == 'style') { /* redirect to the style method */ return this.style(v) } else { /* treat x differently on text elements */ if (a == 'x' && Array.isArray(this.lines)) for (n = this.lines.length - 1; n >= 0; n--) this.lines[n].attr(a, v) /* 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 /* ensure full hex color */ if (SVG.Color.test(v) || SVG.Color.isRgb(v)) v = new SVG.Color(v) /* ensure correct numeric values */ else if (typeof v === 'number') v = new SVG.Number(v) /* parse array values */ else if (Array.isArray(v)) v = new SVG.Array(v) /* set give attribute on node */ n != null ? this.node.setAttributeNS(n, a, v.toString()) : this.node.setAttribute(a, v.toString()) /* if the passed argument belongs in the style as well, add it there */ if (this._isStyle(a)) { a == 'text' ? this.text(v) : a == 'leading' && this.leading ? this.leading(v) : this.style(a, v) /* rebuild if required */ if (this.rebuild) this.rebuild(a, v) } } return this } // Manage transformations , transform: function(o, v) { if (arguments.length == 0) { /* act as a getter if no argument is given */ return this.trans } else if (typeof o === 'string') { /* act as a getter if only one string argument is given */ if (arguments.length < 2) return this.trans[o] /* apply transformations as object if key value arguments are given*/ var transform = {} transform[o] = v return this.transform(transform) } /* ... otherwise continue as a setter */ var transform = [] /* parse matrix */ o = this._parseMatrix(o) /* merge values */ for (v in o) if (o[v] != null) this.trans[v] = o[v] /* compile matrix */ this.trans.matrix = this.trans.a + ' ' + this.trans.b + ' ' + this.trans.c + ' ' + this.trans.d + ' ' + this.trans.e + ' ' + this.trans.f /* alias current transformations */ o = this.trans /* add matrix */ if (o.matrix != SVG.defaults.matrix) transform.push('matrix(' + o.matrix + ')') /* add rotation */ if (o.rotation != 0) transform.push('rotate(' + o.rotation + ' ' + (o.cx == null ? this.bbox().cx : o.cx) + ' ' + (o.cy == null ? this.bbox().cy : o.cy) + ')') /* add scale */ if (o.scaleX != 1 || o.scaleY != 1) transform.push('scale(' + o.scaleX + ' ' + o.scaleY + ')') /* add skew on x axis */ if (o.skewX != 0) transform.push('skewX(' + o.skewX + ')') /* add skew on y axis */ if (o.skewY != 0) transform.push('skewY(' + o.skewY + ')') /* add translation */ if (o.x != 0 || o.y != 0) transform.push('translate(' + new SVG.Number(o.x / o.scaleX) + ' ' + new SVG.Number(o.y / o.scaleY) + ')') /* update transformations, even if there are none */ if (transform.length == 0) this.node.removeAttribute('transform') else this.node.setAttribute('transform', transform.join(' ')) return this } // Dynamic style generator , style: function(s, v) { if (arguments.length == 0) { /* get full style */ return this.attr('style') || '' } 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(':') if (v.length == 2) this.style(v[0].replace(/\s+/g, ''), v[1].replace(/^\s+/,'').replace(/\s+$/,'')) } } else { /* act as a getter if the first and only argument is not an object */ return this.styles[s] } } else if (v === null || SVG.regex.test(v, 'isBlank')) { /* remove value */ delete this.styles[s] } else { /* store value */ this.styles[s] = v } /* rebuild style string */ s = '' for (v in this.styles) s += v + ':' + this.styles[v] + ';' /* apply style */ if (s == '') this.node.removeAttribute('style') else this.node.setAttribute('style', s) return this } // Get bounding box , bbox: function() { return new SVG.BBox(this) } // Get rect box , rbox: function() { return new SVG.RBox(this) } // 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') } // Private: find svg parent by instance , _parent: function(parent) { var element = this while (element != null && !(element instanceof parent)) element = element.parent return element } // Private: tester method for style detection , _isStyle: function(a) { return typeof a == 'string' ? SVG.regex.test(a, 'isStyle') : false } // Private: parse a matrix string , _parseMatrix: function(o) { if (o.matrix) { /* split matrix string */ var m = o.matrix.replace(/\s/g, '').split(',') /* pasrse values */ if (m.length == 6) { o.a = parseFloat(m[0]) o.b = parseFloat(m[1]) o.c = parseFloat(m[2]) o.d = parseFloat(m[3]) o.e = parseFloat(m[4]) o.f = parseFloat(m[5]) } } return o } // Private: calculate proportional width and height values when necessary , _proportionalSize: function(width, height) { if (width == null || height == null) { var box = this.bbox() if (height == null) height = box.height / box.width * width else if (width == null) width = box.width / box.height * height } return { width: width , height: height } } } }) 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 this._children || (this._children = []) } // Add given element at a position , add: function(element, i) { if (!this.has(element)) { /* define insertion index if none given */ i = i == null ? this.children().length : i /* remove references from previous parent */ if (element.parent) element.parent.children().splice(element.parent.index(element), 1) /* add element references */ this.children().splice(i, 0, element) this.node.insertBefore(element.node, this.node.childNodes[i] || null) element.parent = this } /* reposition defs */ if (this._defs) { this.node.removeChild(this._defs.node) this.node.appendChild(this._defs.node) } 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 this.children().indexOf(element) } // Get a element at the given index , get: function(i) { return this.children()[i] } // Get first child, skipping the defs node , first: function() { return this.children()[0] } // Get the last child , last: function() { return this.children()[this.children().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 child element at a position , removeElement: function(element) { this.children().splice(this.index(element), 1) this.node.removeChild(element.node) element.parent = null return this } // Remove all elements in this container , clear: function() { /* remove children */ for (var i = this.children().length - 1; i >= 0; i--) this.removeElement(this.children()[i]) /* remove defs node */ if (this._defs) this._defs.clear() return this } , // Get defs defs: function() { return this.doc().defs() } } }) SVG.Container = SVG.invent({ // Initialize node create: function(element) { this.constructor.call(this, element) } // Inherit from , inherit: SVG.Parent // Add class methods , extend: { // Get the viewBox and calculate the zoom value 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) } } }) SVG.FX = function(element) { /* store target element */ this.target = element } SVG.extend(SVG.FX, { // Add animation parameters and start animation animate: function(d, ease, delay) { var akeys, tkeys, skeys, key , element = this.target , fx = this /* dissect object if one is passed */ if (typeof d == 'object') { delay = d.delay ease = d.ease d = d.duration } /* ensure default duration and easing */ d = d == null ? 1000 : new SVG.Number(d).valueOf() ease = ease || '<>' /* process values */ fx.to = function(pos) { var i /* normalise pos */ pos = pos < 0 ? 0 : pos > 1 ? 1 : pos /* collect attribute keys */ if (akeys == null) { akeys = [] for (key in fx.attrs) akeys.push(key) /* make sure morphable elements are scaled, translated and morphed all together */ if (element.morphArray && (fx._plot || akeys.indexOf('points') > -1)) { /* get destination */ var box , p = new element.morphArray(fx._plot || fx.attrs.points || element.array) /* add size */ if (fx._size) p.size(fx._size.width.to, fx._size.height.to) /* add movement */ box = p.bbox() if (fx._x) p.move(fx._x.to, box.y) else if (fx._cx) p.move(fx._cx.to - box.width / 2, box.y) box = p.bbox() if (fx._y) p.move(box.x, fx._y.to) else if (fx._cy) p.move(box.x, fx._cy.to - box.height / 2) /* delete element oriented changes */ delete fx._x delete fx._y delete fx._cx delete fx._cy delete fx._size fx._plot = element.array.morph(p) } } /* collect transformation keys */ if (tkeys == null) { tkeys = [] for (key in fx.trans) tkeys.push(key) } /* collect style keys */ if (skeys == null) { skeys = [] for (key in fx.styles) skeys.push(key) } /* apply easing */ pos = ease == '<>' ? (-Math.cos(pos * Math.PI) / 2) + 0.5 : ease == '>' ? Math.sin(pos * Math.PI / 2) : ease == '<' ? -Math.cos(pos * Math.PI / 2) + 1 : ease == '-' ? pos : typeof ease == 'function' ? ease(pos) : pos /* run plot function */ if (fx._plot) { element.plot(fx._plot.at(pos)) } else { /* run all x-position properties */ if (fx._x) element.x(at(fx._x, pos)) else if (fx._cx) element.cx(at(fx._cx, pos)) /* run all y-position properties */ if (fx._y) element.y(at(fx._y, pos)) else if (fx._cy) element.cy(at(fx._cy, pos)) /* run all size properties */ if (fx._size) element.size(at(fx._size.width, pos), at(fx._size.height, pos)) } /* run all viewbox properties */ if (fx._viewbox) element.viewbox( at(fx._viewbox.x, pos) , at(fx._viewbox.y, pos) , at(fx._viewbox.width, pos) , at(fx._viewbox.height, pos) ) /* animate attributes */ for (i = akeys.length - 1; i >= 0; i--) element.attr(akeys[i], at(fx.attrs[akeys[i]], pos)) /* animate transformations */ for (i = tkeys.length - 1; i >= 0; i--) element.transform(tkeys[i], at(fx.trans[tkeys[i]], pos)) /* animate styles */ for (i = skeys.length - 1; i >= 0; i--) element.style(skeys[i], at(fx.styles[skeys[i]], pos)) /* callback for each keyframe */ if (fx._during) fx._during.call(element, pos, function(from, to) { return at({ from: from, to: to }, pos) }) } if (typeof d === 'number') { /* delay animation */ this.timeout = setTimeout(function() { var start = new Date().getTime() /* initialize situation object */ fx.situation = { interval: 1000 / 60 , start: start , play: true , finish: start + d , duration: d } /* render function */ fx.render = function(){ if (fx.situation.play === true) { // This code was borrowed from the emile.js micro framework by Thomas Fuchs, aka MadRobby. var time = new Date().getTime() , pos = time > fx.situation.finish ? 1 : (time - fx.situation.start) / d /* process values */ fx.to(pos) /* finish off animation */ if (time > fx.situation.finish) { if (fx._plot) element.plot(new SVG.PointArray(fx._plot.destination).settle()) if (fx._loop === true || (typeof fx._loop == 'number' && fx._loop > 1)) { if (typeof fx._loop == 'number') --fx._loop fx.animate(d, ease, delay) } else { fx._after ? fx._after.apply(element, [fx]) : fx.stop() } } else { requestAnimFrame(fx.render) } } else { requestAnimFrame(fx.render) } } /* start animation */ fx.render() }, new SVG.Number(delay).valueOf()) } return this } // Get bounding box of target element , bbox: function() { return this.target.bbox() } // Add animatable attributes , attr: function(a, v) { if (typeof a == 'object') { for (var key in a) this.attr(key, a[key]) } else { var from = this.target.attr(a) this.attrs[a] = SVG.Color.isColor(from) ? new SVG.Color(from).morph(v) : SVG.regex.unit.test(from) ? new SVG.Number(from).morph(v) : { from: from, to: v } } return this } // Add animatable transformations , transform: function(o, v) { if (arguments.length == 1) { /* parse matrix string */ o = this.target._parseMatrix(o) /* dlete matrixstring from object */ delete o.matrix /* store matrix values */ for (v in o) this.trans[v] = { from: this.target.trans[v], to: o[v] } } else { /* apply transformations as object if key value arguments are given*/ var transform = {} transform[o] = v this.transform(transform) } 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.styles[s] = { from: this.target.style(s), to: v } return this } // Animatable x-axis , x: function(x) { this._x = { from: this.target.x(), to: x } return this } // Animatable y-axis , y: function(y) { this._y = { from: this.target.y(), to: y } return this } // Animatable center x-axis , cx: function(x) { this._cx = { from: this.target.cx(), to: x } return this } // Animatable center y-axis , cy: function(y) { this._cy = { from: this.target.cy(), to: y } return this } // 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 = this.target.bbox() this._size = { width: { from: box.width, to: width } , height: { from: box.height, to: height } } } return this } // Add animatable plot , plot: function(p) { this._plot = p return this } // Add animatable viewbox , viewbox: function(x, y, width, height) { if (this.target instanceof SVG.Container) { var box = this.target.viewbox() this._viewbox = { x: { from: box.x, to: x } , y: { from: box.y, to: y } , width: { from: box.width, to: width } , height: { from: box.height, to: height } } } return this } // Add animateable gradient update , update: function(o) { if (this.target instanceof SVG.Stop) { 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 } // Add callback for each keyframe , during: function(during) { this._during = during return this } // Callback after animation , after: function(after) { this._after = after return this } // Make loopable , loop: function(times) { this._loop = times || true return this } // Stop running animation , stop: function() { /* stop current animation */ clearTimeout(this.timeout) clearInterval(this.interval) /* reset storage for properties that need animation */ this.attrs = {} this.trans = {} this.styles = {} this.situation = {} delete this._x delete this._y delete this._cx delete this._cy delete this._size delete this._plot delete this._loop delete this._after delete this._during delete this._viewbox return this } // Pause running animation , pause: function() { if (this.situation.play === true) { this.situation.play = false this.situation.pause = new Date().getTime() } return this } // Play running animation , play: function() { if (this.situation.play === false) { var pause = new Date().getTime() - this.situation.pause this.situation.finish += pause this.situation.start += pause this.situation.play = true } return this } }) SVG.extend(SVG.Element, { // Get fx module or create a new one, then animate with given duration and ease animate: function(d, ease, delay) { return (this.fx || (this.fx = new SVG.FX(this))).stop().animate(d, ease, delay) } // Stop current animation; this is an alias to the fx instance , stop: function() { if (this.fx) this.fx.stop() 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 } }) // Calculate position according to from and to function at(o, pos) { /* number recalculation (don't bother converting to SVG.Number for performance reasons) */ return typeof o.from == 'number' ? o.from + (o.to - o.from) * pos : /* instance recalculation */ o instanceof SVG.Color || o instanceof SVG.Number ? o.at(pos) : /* for all other values wait until pos has reached 1 to return the final value */ pos < 1 ? o.from : o.to } // Shim layer with setTimeout fallback by Paul Irish window.requestAnimFrame = (function(){ return window.requestAnimationFrame || window.webkitRequestAnimationFrame || window.mozRequestAnimationFrame || window.msRequestAnimationFrame || function (c) { window.setTimeout(c, 1000 / 60) } })() SVG.extend(SVG.Element, SVG.FX, { // Relative methods relative: function() { var b, e = this return { // Move over x axis x: function(x) { b = e.bbox() return e.x(b.x + (x || 0)) } // Move over y axis , y: function(y) { b = e.bbox() return e.y(b.y + (y || 0)) } // Move over x and y axes , move: function(x, y) { this.x(x) return this.y(y) } } } }) ;[ 'click' , 'dblclick' , 'mousedown' , 'mouseup' , 'mouseover' , 'mouseout' , 'mousemove' , 'mouseenter' , 'mouseleave' ].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 } }) // Add event binder in the SVG namespace SVG.on = function(node, event, listener) { if (node.addEventListener) node.addEventListener(event, listener, false) else node.attachEvent('on' + event, listener) } // Add event unbinder in the SVG namespace SVG.off = function(node, event, listener) { if (node.removeEventListener) node.removeEventListener(event, listener, false) else node.detachEvent('on' + event, listener) } // SVG.extend(SVG.Element, { // Bind given event to listener on: function(event, listener) { SVG.on(this.node, event, listener) return this } // Unbind event from listener , off: function(event, listener) { SVG.off(this.node, event, listener) 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.trans.x : this.transform('x', x) } // Move over y-axis , y: function(y) { return y == null ? this.trans.y : this.transform('y', y) } // Move by center over x-axis , cx: function(x) { return x == null ? this.bbox().cx : this.x(x - this.bbox().width / 2) } // Move by center over y-axis , cy: function(y) { return y == null ? this.bbox().cy : this.y(y - this.bbox().height / 2) } } // Add parent method , construct: { // Create a group element group: function() { return this.put(new SVG.G) } } }) 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() return this.parent.removeElement(this).put(this, i + 1) } // 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() { return this.parent.removeElement(this).put(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() delete 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.Clip = 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() delete 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.Clip) } } }) // 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.Clip ? 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: { // From position from: function(x, y) { return 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.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) }) } // Radius for radial gradient , radius: function(r) { return this.type == 'radial' ? this.attr({ r: new SVG.Number(r) }) : this } // Add a color stop , at: function(stop) { return this.put(new SVG.Stop().update(stop)) } // Update gradient , update: function(block) { /* remove all stops */ this.clear() /* invoke passed block */ block(this) return this } // Return the fill id , fill: function() { return 'url(#' + this.attr('id') + ')' } // Alias string convertion to fill , toString: function() { return this.fill() } } // Add parent method , construct: { // Create gradient element in defs gradient: function(type, block) { return this.defs().gradient(type, block) } } }) SVG.extend(SVG.Defs, { // define gradient gradient: function(type, block) { var element = this.put(new SVG.Gradient(type)) /* invoke passed block */ block(element) return element } }) SVG.Stop = SVG.invent({ // Initialize node create: 'stop' // Inherit from , inherit: SVG.Element // Add class methods , extend: { // add color stops update: function(o) { /* 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.Doc = SVG.invent({ // Initialize node create: function(element) { /* ensure the presence of a html element */ this.parent = 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. */ this.constructor .call(this, this.parent.nodeName == 'svg' ? this.parent : SVG.create('svg')) /* set svg element attributes */ this .attr({ xmlns: SVG.ns, version: '1.1', width: '100%', height: '100%' }) .attr('xmlns:xlink', SVG.xlink, SVG.xmlns) /* create the node */ this._defs = new SVG.Defs this._defs.parent = this this.node.appendChild(this._defs.node) /* turno of sub pixel offset by default */ this.doSubPixelOffsetFix = false /* ensure correct rendering */ if (this.parent.nodeName != 'svg') this.stage() } // Inherit from , inherit: SVG.Container // Add class methods , extend: { // Hack for safari preventing text to be rendered in one line. // Basically it sets the position of the svg node to absolute // when the dom is loaded, and resets it to relative a few milliseconds later. // It also handles sub-pixel offset rendering properly. stage: function() { var check , element = this , wrapper = document.createElement('div') /* set temporary wrapper to position relative */ wrapper.style.cssText = 'position:relative;height:100%;' /* put element into wrapper */ element.parent.appendChild(wrapper) wrapper.appendChild(element.node) /* check for dom:ready */ check = function() { if (document.readyState === 'complete') { element.style('position:absolute;') setTimeout(function() { /* set position back to relative */ element.style('position:relative;overflow:hidden;') /* remove temporary wrapper */ element.parent.removeChild(element.node.parentNode) element.node.parentNode.removeChild(element.node) element.parent.appendChild(element.node) /* after wrapping is done, fix sub-pixel offset */ element.subPixelOffsetFix() /* make sure sub-pixel offset is fixed every time the window is resized */ SVG.on(window, 'resize', function() { element.subPixelOffsetFix() }) }, 5) } else { setTimeout(check, 10) } } check() return this } // Creates and returns defs element , defs: function() { return this._defs } // Fix for possible sub-pixel offset. See: // https://bugzilla.mozilla.org/show_bug.cgi?id=608812 , subPixelOffsetFix: function() { if (this.doSubPixelOffsetFix) { var pos = this.node.getScreenCTM() if (pos) this .style('left', (-pos.e % 1) + 'px') .style('top', (-pos.f % 1) + 'px') } return this } , fixSubPixelOffset: function() { this.doSubPixelOffsetFix = true return this } } }) SVG.Shape = SVG.invent({ // Initialize node create: function(element) { this.constructor.call(this, element) } // Inherit from , inherit: SVG.Element }) 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) { /* store target element */ this.target = element /* set lined element */ return this.attr('href', '#' + element, SVG.xlink) } } // Add parent method , construct: { // Create a use element use: function(element) { return this.put(new SVG.Use).element(element) } } }) 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.Ellipse = SVG.invent({ // Initialize node create: 'ellipse' // Inherit from , inherit: SVG.Shape // Add class methods , extend: { // Move over x-axis x: function(x) { return x == null ? this.cx() - this.attr('rx') : this.cx(x + this.attr('rx')) } // Move over y-axis , y: function(y) { return y == null ? this.cy() - this.attr('ry') : this.cy(y + this.attr('ry')) } // Move by center over x-axis , cx: function(x) { return x == null ? this.attr('cx') : this.attr('cx', new SVG.Number(x).divide(this.trans.scaleX)) } // Move by center over y-axis , cy: function(y) { return y == null ? this.attr('cy') : this.attr('cy', new SVG.Number(y).divide(this.trans.scaleY)) } // Set width of element , width: function(width) { return width == null ? this.attr('rx') * 2 : this.attr('rx', new SVG.Number(width).divide(2)) } // Set height of element , height: function(height) { return height == null ? this.attr('ry') * 2 : this.attr('ry', new SVG.Number(height).divide(2)) } // Custom size function , size: function(width, height) { var p = this._proportionalSize(width, height) return this.attr({ rx: new SVG.Number(p.width).divide(2) , ry: new SVG.Number(p.height).divide(2) }) } } // Add parent method , construct: { // Create circle element, based on ellipse circle: function(size) { return this.ellipse(size, size) } // Create an ellipse , ellipse: function(width, height) { return this.put(new SVG.Ellipse).size(width, height).move(0, 0) } } }) SVG.Line = SVG.invent({ // Initialize node create: 'line' // Inherit from , inherit: SVG.Shape // Add class methods , extend: { // Move over x-axis x: function(x) { var b = this.bbox() return x == null ? b.x : this.attr({ x1: this.attr('x1') - b.x + x , x2: this.attr('x2') - b.x + x }) } // Move over y-axis , y: function(y) { var b = this.bbox() return y == null ? b.y : this.attr({ y1: this.attr('y1') - b.y + y , y2: this.attr('y2') - b.y + y }) } // Move by center over x-axis , cx: function(x) { var half = this.bbox().width / 2 return x == null ? this.x() + half : this.x(x - half) } // Move by center over y-axis , cy: function(y) { var half = this.bbox().height / 2 return y == null ? this.y() + half : this.y(y - half) } // Set width of element , width: function(width) { var b = this.bbox() return width == null ? b.width : this.attr(this.attr('x1') < this.attr('x2') ? 'x2' : 'x1', b.x + width) } // Set height of element , height: function(height) { var b = this.bbox() return height == null ? b.height : this.attr(this.attr('y1') < this.attr('y2') ? 'y2' : 'y1', b.y + height) } // Set line size by width and height , size: function(width, height) { var p = this._proportionalSize(width, height) return this.width(p.width).height(p.height) } // Set path data , plot: function(x1, y1, x2, y2) { return this.attr({ x1: x1 , y1: y1 , x2: x2 , y2: y2 }) } } // 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, { // Define morphable array morphArray: SVG.PointArray // Plot new path , plot: function(p) { return this.attr('points', (this.array = new SVG.PointArray(p, [[0,0]]))) } // Move by left top corner , move: function(x, y) { return this.attr('points', 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 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) } // Set element size to given width and height , size: function(width, height) { var p = this._proportionalSize(width, height) return this.attr('points', this.array.size(p.width, p.height)) } }) SVG.Path = SVG.invent({ // Initialize node create: 'path' // Inherit from , inherit: SVG.Shape // Add class methods , extend: { // Plot new poly points plot: function(p) { return this.attr('d', (this.array = new SVG.PathArray(p, [{ type:'M',x:0,y:0 }]))) } // 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 = this._proportionalSize(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) } // Get path length , length: function() { return this.node.getTotalLength() } } // 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) { return (url ? this.attr('href', (this.src = url), SVG.xlink) : this) } } // Add parent method , construct: { // Create image element, load image and set its size image: function(source, width, height) { width = width != null ? width : 100 return this.put(new SVG.Image().load(source).size(width, height != null ? height : width)) } } }) var _styleAttr = ('size family weight stretch variant style').split(' ') SVG.Text = SVG.invent({ // Initialize node create: function() { this.constructor.call(this, SVG.create('text')) /* define default style */ this.styles = { 'font-size': 16 , 'font-family': 'Helvetica, Arial, sans-serif' , 'text-anchor': 'start' } this._leading = new SVG.Number('1.2em') this._rebuild = true } // Inherit from , inherit: SVG.Shape // Add class methods , extend: { // Move over x-axis x: function(x, a) { /* act as getter */ if (x == null) return a ? this.attr('x') : this.bbox().x /* set x taking anchor in mind */ if (!a) { a = this.style('text-anchor') x = a == 'start' ? x : a == 'end' ? x + this.bbox().width : x + this.bbox().width / 2 } /* move lines as well if no textPath si present */ if (!this.textPath) this.lines.each(function() { if (this.newLined) this.x(x) }) return this.attr('x', x) } // Move center over x-axis , cx: function(x, a) { return x == null ? this.bbox().cx : this.x(x - this.bbox().width / 2) } // Move center over y-axis , cy: function(y, a) { return y == null ? this.bbox().cy : this.y(a ? y : y - this.bbox().height / 2) } // Move element to given x and y values , move: function(x, y, a) { return this.x(x, a).y(y) } // Move element by its center , center: function(x, y, a) { return this.cx(x, a).cy(y, a) } // Set the text content , text: function(text) { /* act as getter */ if (text == null) return this.content /* remove existing lines */ this.clear() if (typeof text === 'function') { this._rebuild = false text.call(this, this) } else { this._rebuild = true /* make sure text is not blank */ text = SVG.regex.isBlank.test(text) ? 'text' : text var i, il , lines = text.split('\n') /* build new lines */ for (i = 0, il = lines.length; i < il; i++) this.tspan(lines[i]).newLine() this.rebuild() } return this } // Create a tspan , tspan: function(text) { var node = this.textPath ? this.textPath.node : this.node , tspan = new SVG.TSpan().text(text) , style = this.style() /* add new tspan */ node.appendChild(tspan.node) this.lines.add(tspan) /* add style if any */ if (!SVG.regex.isBlank.test(style)) tspan.style(style) /* store content */ this.content += text /* store text parent */ tspan.parent = this return tspan } // Set font size , size: function(size) { return this.attr('font-size', size) } // Set / get leading , leading: function(value) { /* act as getter */ if (value == null) return this._leading /* act as setter */ value = new SVG.Number(value) this._leading = value /* apply leading */ this.lines.each(function() { if (this.newLined) this.attr('dy', value) }) return this } // rebuild appearance type , rebuild: function() { var self = this /* define position of all lines */ if (this._rebuild) { this.lines.attr({ x: this.attr('x') , dy: this._leading , style: this.style() }) } return this } // Clear all lines , clear: function() { var node = this.textPath ? this.textPath.node : this.node /* remove existing child nodes */ while (node.hasChildNodes()) node.removeChild(node.lastChild) /* refresh lines */ delete this.lines this.lines = new SVG.Set /* initialize content */ this.content = '' return this } } // Add parent method , construct: { // Create text element text: function(text) { return this.put(new SVG.Text).text(text) } } }) SVG.TSpan = SVG.invent({ // Initialize node create: 'tspan' // Inherit from , inherit: SVG.Shape // Add class methods , extend: { // Set text content text: function(text) { this.node.appendChild(document.createTextNode(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() { this.newLined = true this.parent.content += '\n' this.dy(this.parent._leading) return this.attr('x', this.parent.x()) } } }) SVG.TextPath = SVG.invent({ // Initialize node create: 'textPath' // Inherit from , inherit: SVG.Element // Define parent class , parent: SVG.Text // Add parent method , construct: { // Create path for text to run on path: function(d) { /* create textPath element */ this.textPath = new SVG.TextPath /* move lines to textpath */ while(this.node.hasChildNodes()) this.textPath.node.appendChild(this.node.firstChild) /* add textPath element as child node */ this.node.appendChild(this.textPath.node) /* create path in defs */ this.track = this.doc().defs().path(d) /* create circular reference */ this.textPath.parent = this /* link textPath to path and add content */ this.textPath.attr('href', '#' + this.track, SVG.xlink) return this } // Plot path if any , plot: function(d) { if (this.track) this.track.plot(d) return this } } }) 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._stroke = ['color', 'width', 'opacity', 'linecap', 'linejoin', 'miterlimit', 'dasharray', 'dashoffset'] SVG._fill = ['color', 'opacity', 'rule'] // Prepend correct color prefix var _colorPrefix = function(type, attr) { return attr == 'color' ? type : type + '-' + attr } /* Add sugar for fill and stroke */ ;['fill', 'stroke'].forEach(function(method) { var extension = {} extension[method] = function(o) { var indexOf if (typeof o == 'string' || SVG.Color.isRgb(o) || (o && typeof o.fill === 'function')) this.attr(method, o) else /* set all attributes from _fillAttr and _strokeAttr list */ for (index = SVG['_' + method].length - 1; index >= 0; index--) if (o[SVG['_' + method][index]] != null) this.attr(_colorPrefix(method, SVG['_' + method][index]), o[SVG['_' + method][index]]) return this } SVG.extend(SVG.Element, SVG.FX, extension) }) SVG.extend(SVG.Element, SVG.FX, { // Rotation rotate: function(deg, x, y) { return this.transform({ rotation: deg || 0 , cx: x , cy: y }) } // Skew , skew: function(x, y) { return this.transform({ skewX: x || 0 , skewY: y || 0 }) } // Scale , scale: function(x, y) { return this.transform({ scaleX: x , scaleY: y == null ? x : y }) } // Translate , translate: function(x, y) { return this.transform({ x: x , y: y }) } // Matrix , matrix: function(m) { return this.transform({ matrix: m }) } // Opacity , opacity: function(value) { return this.attr('opacity', value) } }) // SVG.extend(SVG.Rect, SVG.Ellipse, { // Add x and y radius radius: function(x, y) { return this.attr({ rx: x, ry: y || x }) } }) if (SVG.Text) { SVG.extend(SVG.Text, SVG.FX, { // Set font font: function(o) { for (var key in o) key == 'anchor' ? this.attr('text-anchor', o[key]) : _styleAttr.indexOf(key) > -1 ? this.attr('font-'+ key, o[key]) : this.attr(key, o[key]) return this } }) } SVG.Set = SVG.invent({ // Initialize create: function() { /* set initial state */ 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 } // 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] } // 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() { return new SVG.Set } } }) SVG.SetFX = 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.SetFX(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.SetFX.prototype[m] != 'function') methods.push(m) /* apply fx aliasses */ methods.forEach(function(method) { SVG.SetFX.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 = {}) } }) if (typeof define === 'function' && define.amd) define(function() { return SVG }) else if (typeof exports !== 'undefined') exports.SVG = SVG }).call(this);