/* svg.js v0.19 - svg regex default color viewbox bbox rbox element container fx event group arrange defs mask clip pattern gradient 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) } // DEPRECATED!!! Use SVG() instead this.svg = function(element) { console.warn('WARNING: svg() is deprecated, please use SVG() instead.') return SVG(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+)?$/ /* test for numeric string */ , isNumber: /^-?[\d\.]+$/ } 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 , 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 } // 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.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 /= this.trans.scaleX return this.attr('x', x) } // Move over y-axis , y: function(y) { if (y) y /= 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: width , height: 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 { /* process gradient or pattern fill */ if (typeof v.fill === 'function') v = v.fill() /* 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 || this.bbox().cx) + ',' + (o.cy || this.bbox().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' } // 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 } 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 } // 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.Shape) 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 } // Returns defs element , defs: function() { return this._defs || (this._defs = this.put(new SVG.Defs, 0)) } // Re-level defs to first positon in element stack , level: function() { return this.removeElement(this.defs()).put(this.defs(), 0) } // 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.remove() delete this._defs } 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 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) ? this._unit(o, pos) : /* 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 unit , _unit: function(o, pos) { var match, from /* convert FROM unit */ match = SVG.regex.unit.exec(o.from.toString()) from = parseFloat(match ? match[1] : 0) /* convert TO unit */ match = SVG.regex.unit.exec(o.to) return (from + (parseFloat(match[1]) - from) * pos) + match[2] } // 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.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) } // Get defs , defs: function() { return this.doc().defs() } }) // 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() { return this.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() { return this.parent.removeElement(this).put(this, this.position() + 1) } // Send given element one step backward , backward: function() { this.parent.level() var i = this.position() if (i > 1) 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() { this.parent.level() if (this.position() > 1) this.parent.removeElement(this).add(this, 0) return this } }) SVG.Defs = function() { this.constructor.call(this, SVG.create('defs')) } // Inherits from SVG.Container SVG.Defs.prototype = new SVG.Container SVG.Mask = function() { this.constructor.call(this, SVG.create('mask')) } // Inherit from SVG.Container SVG.Mask.prototype = new SVG.Container // SVG.extend(SVG.Element, { // Distribute mask to svg element maskWith: function(element) { /* use given mask or create a new one */ this.mask = element instanceof SVG.Mask ? element : this.parent.mask().add(element) return this.attr('mask', 'url(#' + this.mask.attr('id') + ')') } }) // 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')) } // Inherit from SVG.Container SVG.Clip.prototype = new SVG.Container // SVG.extend(SVG.Element, { // Distribute clipPath to svg element clipWith: function(element) { /* use given clip or create a new one */ this.clip = element instanceof SVG.Clip ? element : this.parent.clip().add(element) return this.attr('clip-path', 'url(#' + this.clip.attr('id') + ')') } }) // 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') + ')' } }) // 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: x + '%', fy: y + '%' }) : this.attr({ x1: x + '%', y1: y + '%' }) } // To position , to: function(x, y) { return this.type == 'radial' ? this.attr({ cx: x + '%', cy: y + '%' }) : this.attr({ x2: x + '%', y2: y + '%' }) } // Radius for radial gradient , radius: function(radius) { return this.type == 'radial' ? this.attr({ r: radius + '%' }) : this } // Add a color stop , at: function(stop) { return this.put(new SVG.Stop(stop)) } // Update gradient , update: function(block) { /* remove all stops */ while (this.node.hasChildNodes()) this.node.removeChild(this.node.lastChild) /* invoke passed block */ block(this) return this } // Return the fill id , fill: function() { return 'url(#' + this.attr('id') + ')' } }) // 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) { var index , attr = ['opacity', 'color'] /* build style attribute */ for (index = attr.length - 1; index >= 0; index--) if (o[attr[index]] != null) this.style('stop-' + attr[index], o[attr[index]]) /* set attributes */ return this.attr('offset', (o.offset != null ? o.offset : this.attr('offset')) + '%') } }) 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 and create the node */ this .attr({ xmlns: SVG.ns, version: '1.1', width: '100%', height: '100%' }) .attr('xlink', SVG.xlink, SVG.ns) .defs() /* 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 } // 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', x / this.trans.scaleX) } // Move by center over y-axis , cy: function(y) { return y == null ? this.attr('cy') : this.attr('cy', y / this.trans.scaleY) } // Custom size function , size: function(width, height) { return this.attr({ rx: width / 2, ry: height / 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)) 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);