/* svg.js v0.23-1-ge4fb852 - svg regex default color number viewbox bbox rbox element container fx event defs group arrange mask clip pattern gradient use doc shape rect ellipse line poly path plotable image text nested sugar - svgjs.com/license */ ;(function() { this.SVG = function(element) { if (SVG.supported) return new SVG.Doc(element) } // Default namespaces SVG.ns = 'http://www.w3.org/2000/svg' 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] } // Method for getting an eleemnt by id SVG.get = function(id) { var node = document.getElementById(id) if (node) return node.instance } // svg support test SVG.supported = (function() { return !! document.createElementNS && !! document.createElementNS(SVG.ns,'svg').createSVGRect })() if (!SVG.supported) return false 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: '#000' , stroke: '#000' , 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': '#000' } // 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) } // 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' } SVG.Number = function(value) { /* initialize defaults */ this.value = 0 this.unit = '' /* parse value */ switch(typeof value) { case 'number': this.value = value break case 'string': var match = value.match(SVG.regex.unit) /* make value numeric */ this.value = parseFloat(match[1]) /* normalize percent value */ if (match[2] == '%') this.value /= 100 /* 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 * 100) : this.value) + this.unit } , // Convert to primitive valueOf: function() { return this.value } // Convert to different unit , to: function(unit) { if (typeof unit === 'string') this.unit = unit return this } // 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 } }) SVG.ViewBox = function(element) { var x, y, width, height , box = element.bbox() , view = (element.attr('viewBox') || '').match(/-?[\d\.]+/g) /* clone attributes */ this.x = box.x this.y = box.y this.width = element.node.offsetWidth || element.attr('width') this.height = element.node.offsetHeight || element.attr('height') 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 } /* ensure a default zoom value */ this.zoom = this.zoom || 1 } // 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.Element = 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 } } // SVG.extend(SVG.Element, { // 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.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) } // 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 element size to given width and height , size: function(width, height) { return this.attr({ width: new SVG.Number(width) , height: new SVG.Number(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 } // 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 hex color */ if (SVG.Color.test(v) || SVG.Color.isRgb(v)) v = new SVG.Color(v).toHex() /* set give attribute on node */ n != null ? this.node.setAttributeNS(n, a, v) : this.node.setAttribute(a, v) /* 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(' + o.x / o.scaleX + ',' + o.y / o.scaleY + ')') /* add offset translation */ if (this._offset) transform.push('translate(' + (-this._offset.x) + ',' + (-this._offset.y) + ')') /* 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 } // Store data values on svg nodes , data: function(a, v, r) { 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 } // 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 } }) SVG.Container = function(element) { this.constructor.call(this, element) } // Inherit from SVG.Element SVG.Container.prototype = new SVG.Element // SVG.extend(SVG.Container, { // 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) { var index = element.parent.children().indexOf(element) element.parent.children().splice(index, 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.children().indexOf(element) >= 0 } // Get a element at the given index , get: function(i) { return this.children()[i] } // 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) { var i = this.children().indexOf(element) this.children().splice(i, 1) this.node.removeChild(element.node) element.parent = null return this } // Get defs , defs: function() { return this.doc().defs() } // Get first child, skipping the defs node , first: function() { return this.children()[0] instanceof SVG.Defs ? this.children()[1] : this.children()[0] } // Get the last child , last: function() { return this.children()[this.children().length - 1] } // 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.join(' ')) } // 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 } }) 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 : d 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) } /* 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 all x-position properties */ if (fx._x) element.x(fx._at(fx._x, pos)) else if (fx._cx) element.cx(fx._at(fx._cx, pos)) /* run all y-position properties */ if (fx._y) element.y(fx._at(fx._y, pos)) else if (fx._cy) element.cy(fx._at(fx._cy, pos)) /* run all size properties */ if (fx._size) element.size(fx._at(fx._size.width, pos), fx._at(fx._size.height, pos)) /* run all viewbox properties */ if (fx._viewbox) element.viewbox( fx._at(fx._viewbox.x, pos) , fx._at(fx._viewbox.y, pos) , fx._at(fx._viewbox.width, pos) , fx._at(fx._viewbox.height, pos) ) /* animate attributes */ for (i = akeys.length - 1; i >= 0; i--) element.attr(akeys[i], fx._at(fx.attrs[akeys[i]], pos)) /* animate transformations */ for (i = tkeys.length - 1; i >= 0; i--) element.transform(tkeys[i], fx._at(fx.trans[tkeys[i]], pos)) /* animate styles */ for (i = skeys.length - 1; i >= 0; i--) element.style(skeys[i], fx._at(fx.styles[skeys[i]], pos)) /* callback for each keyframe */ if (fx._during) fx._during.call(element, pos, function(from, to) { return fx._at({ from: from, to: to }, pos) }) } if (typeof d === 'number') { /* delay animation */ this.timeout = setTimeout(function() { var interval = 1000 / 60 , start = new Date().getTime() , finish = start + d /* start animation */ fx.interval = setInterval(function(){ // This code was borrowed from the emile.js micro framework by Thomas Fuchs, aka MadRobby. var time = new Date().getTime() , pos = time > finish ? 1 : (time - start) / d /* process values */ fx.to(pos) /* finish off animation */ if (time > finish) { clearInterval(fx.interval) fx._after ? fx._after.apply(element, [fx]) : fx.stop() } }, d > interval ? interval : d) }, delay || 0) } return this } // Get bounding box of target element , bbox: function() { return this.target.bbox() } // Add animatable attributes , attr: function(a, v, n) { if (typeof a == 'object') for (var key in a) this.attr(key, a[key]) else this.attrs[a] = { from: this.target.attr(a), 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 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 } // 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 = {} delete this._x delete this._y delete this._cx delete this._cy delete this._size delete this._after delete this._during delete this._viewbox return this } // Private: calculate position according to from and to , _at: function(o, pos) { /* number recalculation */ return typeof o.from == 'number' ? o.from + (o.to - o.from) * pos : /* unit recalculation */ SVG.regex.unit.test(o.to) ? new SVG.Number(o.to) .minus(new SVG.Number(o.from)) .times(pos) .plus(new SVG.Number(o.from)) : /* color recalculation */ o.to && (o.to.r || SVG.Color.test(o.to)) ? this._color(o, pos) : /* for all other values wait until pos has reached 1 to return the final value */ pos < 1 ? o.from : o.to } // Private: tween color , _color: function(o, pos) { var from, to /* normalise pos */ pos = pos < 0 ? 0 : pos > 1 ? 1 : pos /* convert FROM */ from = new SVG.Color(o.from) /* convert TO hex to rgb */ to = new SVG.Color(o.to) /* tween color and return hex */ return new SVG.Color({ r: ~~(from.r + (to.r - from.r) * pos) , g: ~~(from.g + (to.g - from.g) * pos) , b: ~~(from.b + (to.b - from.b) * pos) }).toHex() } }) // 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 } }) // Usage: // rect.animate(1500, '>').move(200, 300).after(function() { // this.fill({ color: '#f06' }) // }) ;[ 'click' , 'dblclick' , 'mousedown' , 'mouseup' , 'mouseover' , 'mouseout' , 'mousemove' , 'mouseenter' , 'mouseleave' , 'touchstart' , 'touchend' , 'touchmove' , '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 } }) // 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 = function() { this.constructor.call(this, SVG.create('defs')) } // Inherits from SVG.Container SVG.Defs.prototype = new SVG.Container SVG.G = function() { this.constructor.call(this, SVG.create('g')) } // Inherit from SVG.Container SVG.G.prototype = new SVG.Container // SVG.extend(SVG.G, { // 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) } }) // SVG.extend(SVG.Container, { // 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() { var siblings = this.siblings() return siblings.indexOf(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() > 1) 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 = function() { this.constructor.call(this, SVG.create('mask')) /* keep references to masked elements */ this.targets = [] } // Inherit from SVG.Container SVG.Mask.prototype = new SVG.Container // SVG.extend(SVG.Mask, { // 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 } }) // 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.extend(SVG.Container, { // Create masking element mask: function() { return this.defs().put(new SVG.Mask) } }) SVG.Clip = function() { this.constructor.call(this, SVG.create('clipPath')) /* keep references to clipped elements */ this.targets = [] } // Inherit from SVG.Container SVG.Clip.prototype = new SVG.Container // SVG.extend(SVG.Clip, { // 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 } }) // 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.extend(SVG.Container, { // Create clipping element clip: function() { return this.defs().put(new SVG.Clip) } }) SVG.Pattern = function(type) { this.constructor.call(this, SVG.create('pattern')) } // Inherit from SVG.Container SVG.Pattern.prototype = new SVG.Container // SVG.extend(SVG.Pattern, { // Return the fill id fill: function() { return 'url(#' + this.attr('id') + ')' } // Alias string convertion to fill , toString: function() { return this.fill() } }) // SVG.extend(SVG.Defs, { // Define gradient pattern: function(width, height, block) { var element = this.put(new SVG.Pattern) /* invoke passed block */ block(element) return element.attr({ x: 0 , y: 0 , width: width , height: height , patternUnits: 'userSpaceOnUse' }) } }) // SVG.extend(SVG.Container, { // Create pattern element in defs pattern: function(width, height, block) { return this.defs().pattern(width, height, block) } }) SVG.Gradient = function(type) { this.constructor.call(this, SVG.create(type + 'Gradient')) /* store type */ this.type = type } // Inherit from SVG.Container SVG.Gradient.prototype = new SVG.Container // SVG.extend(SVG.Gradient, { // 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(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() } }) // 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.extend(SVG.Container, { // Create gradient element in defs gradient: function(type, block) { return this.defs().gradient(type, block) } }) SVG.Stop = function(stop) { this.constructor.call(this, SVG.create('stop')) /* immediatelly build stop */ this.update(stop) } // Inherit from SVG.Element SVG.Stop.prototype = new SVG.Element // SVG.extend(SVG.Stop, { // 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.Use = function() { this.constructor.call(this, SVG.create('use')) } // Inherit from SVG.Shape SVG.Use.prototype = new SVG.Element // SVG.extend(SVG.Use, { // Use element as a reference element: function(element) { /* store target element */ this.target = element /* set lined element */ return this.attr('xlink:href', '#' + element, SVG.xlink) } }) // SVG.extend(SVG.Container, { // Create a use element use: function(element) { return this.put(new SVG.Use).element(element) } }) SVG.Doc = 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('xlink', SVG.xlink, SVG.ns) /* create the node */ this._defs = new SVG.Defs this.node.appendChild(this._defs.node) /* ensure correct rendering */ if (this.parent.nodeName != 'svg') this.stage() } // Inherits from SVG.Container SVG.Doc.prototype = new SVG.Container // SVG.extend(SVG.Doc, { // 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;') /* 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.fixSubPixelOffset() /* make sure sub-pixel offset is fixed every time the window is resized */ SVG.on(window, 'resize', function() { element.fixSubPixelOffset() }) }, 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 , fixSubPixelOffset: function() { var pos = this.node.getScreenCTM() this .style('left', (-pos.e % 1) + 'px') .style('top', (-pos.f % 1) + 'px') } }) SVG.Shape = function(element) { this.constructor.call(this, element) } // Inherit from SVG.Element SVG.Shape.prototype = new SVG.Element SVG.Rect = function() { this.constructor.call(this, SVG.create('rect')) } // Inherit from SVG.Shape SVG.Rect.prototype = new SVG.Shape // SVG.extend(SVG.Container, { // Create a rect element rect: function(width, height) { return this.put(new SVG.Rect().size(width, height)) } }) SVG.Ellipse = function() { this.constructor.call(this, SVG.create('ellipse')) } // Inherit from SVG.Shape SVG.Ellipse.prototype = new SVG.Shape // SVG.extend(SVG.Ellipse, { // 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)) } // Custom size function , size: function(width, height) { return this.attr({ rx: new SVG.Number(width).divide(2) , ry: new SVG.Number(height).divide(2) }) } }) // SVG.extend(SVG.Container, { // 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) } }) // Usage: // draw.ellipse(200, 100) SVG.Line = function() { this.constructor.call(this, SVG.create('line')) } // Inherit from SVG.Shape SVG.Line.prototype = new SVG.Shape // Add required methods SVG.extend(SVG.Line, { // 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 line size by width and height , size: function(width, height) { var b = this.bbox() return this .attr(this.attr('x1') < this.attr('x2') ? 'x2' : 'x1', b.x + width) .attr(this.attr('y1') < this.attr('y2') ? 'y2' : 'y1', b.y + height) } // Set path data , plot: function(x1, y1, x2, y2) { return this.attr({ x1: x1 , y1: y1 , x2: x2 , y2: y2 }) } }) // SVG.extend(SVG.Container, { // Create a line element line: function(x1, y1, x2, y2) { return this.put(new SVG.Line().plot(x1, y1, x2, y2)) } }) SVG.Polyline = function(unbiased) { this.constructor.call(this, SVG.create('polyline')) this.unbiased = unbiased } // Inherit from SVG.Shape SVG.Polyline.prototype = new SVG.Shape SVG.Polygon = function(unbiased) { this.constructor.call(this, SVG.create('polygon')) this.unbiased = unbiased } // Inherit from SVG.Shape SVG.Polygon.prototype = new SVG.Shape // Add polygon-specific functions SVG.extend(SVG.Polyline, SVG.Polygon, { // Private: Native plot _plot: function(p) { if (Array.isArray(p)) { var i, l, points = [] for (i = 0, l = p.length; i < l; i++) points.push(p[i].join(',')) p = points.length > 0 ? points.join(' ') : '0,0' } return this.attr('points', p || '0,0') } }) // SVG.extend(SVG.Container, { // Create a wrapped polyline element polyline: function(points, unbiased) { return this.put(new SVG.Polyline(unbiased)).plot(points) } // Create a wrapped polygon element , polygon: function(points, unbiased) { return this.put(new SVG.Polygon(unbiased)).plot(points) } }) SVG.Path = function(unbiased) { this.constructor.call(this, SVG.create('path')) this.unbiased = unbiased } // Inherit from SVG.Shape SVG.Path.prototype = new SVG.Shape SVG.extend(SVG.Path, { // Private: Native plot _plot: function(data) { return this.attr('d', data || 'M0,0') } }) // SVG.extend(SVG.Container, { // Create a wrapped path element path: function(data, unbiased) { return this.put(new SVG.Path(unbiased)).plot(data) } }) SVG.extend(SVG.Polyline, SVG.Polygon, SVG.Path, { // Move over x-axis x: function(x) { return x == null ? this.bbox().x : this.transform('x', x) } // Move over y-axis , y: function(y) { return y == null ? this.bbox().y : this.transform('y', y) } // Set the actual size in pixels , size: function(width, height) { var scale = width / this._offset.width return this.transform({ scaleX: scale , scaleY: height != null ? height / this._offset.height : scale }) } // Set path data , plot: function(data) { var x = this.trans.scaleX , y = this.trans.scaleY /* native plot */ this._plot(data) /* store offset */ this._offset = this.transform({ scaleX: 1, scaleY: 1 }).bbox() /* get and store the actual offset of the element */ if (this.unbiased) { this._offset.x = this._offset.y = 0 } else { this._offset.x -= this.trans.x this._offset.y -= this.trans.y } return this.transform({ scaleX: x, scaleY: y }) } }) SVG.Image = function() { this.constructor.call(this, SVG.create('image')) } // Inherit from SVG.Element SVG.Image.prototype = new SVG.Shape // SVG.extend(SVG.Image, { // (re)load image load: function(url) { return (url ? this.attr('xlink:href', (this.src = url), SVG.xlink) : this) } }) // SVG.extend(SVG.Container, { // 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 = 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 = 1.2 this._base = 0.276666666 } // Inherit from SVG.Element SVG.Text.prototype = new SVG.Shape // SVG.extend(SVG.Text, { // 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 } 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() /* update the content */ this.content = 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]) return this.attr('textLength', 1).attr('textLength', null) } // Create a tspan , tspan: function(text) { var tspan = new SVG.TSpan().text(text) /* add new tspan */ this.node.appendChild(tspan.node) this.lines.push(tspan) return tspan.attr('style', this.style()) } // 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 */ this._leading = value return this.rebuild('leading', value) } // rebuild appearance type , rebuild: function() { var i, il , size = this.styles['font-size'] /* define position of all lines */ for (i = 0, il = this.lines.length; i < il; i++) this.lines[i].attr({ dy: size * this._leading - (i == 0 ? size * this._base : 0) , x: (this.attr('x') || 0) , style: this.style() }) return this } // Clear all lines , clear: function() { /* remove existing child nodes */ while (this.node.hasChildNodes()) this.node.removeChild(this.node.lastChild) this.lines = [] return this } }) // SVG.extend(SVG.Container, { // Create text element text: function(text) { return this.put(new SVG.Text().text(text)) } }) // tspan class SVG.TSpan = function() { this.constructor.call(this, SVG.create('tspan')) } // Inherit from SVG.Shape SVG.TSpan.prototype = new SVG.Shape // Include the container object SVG.extend(SVG.TSpan, { // Set text content text: function(text) { this.node.appendChild(document.createTextNode(text)) return this } }) SVG.Nested = function() { this.constructor.call(this, SVG.create('svg')) this.style('overflow', 'visible') } // Inherit from SVG.Container SVG.Nested.prototype = new SVG.Container // SVG.extend(SVG.Container, { // Create nested svg document nested: function() { return this.put(new SVG.Nested) } }) 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.Shape, 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) } }) 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 } }) } }).call(this);