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Diffstat (limited to 'dcae_dmaapbc_webapp/src/main/webapp/app/fusion/ase/scripts/bower_components/Snap.svg/dist/snap.svg.js')
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diff --git a/dcae_dmaapbc_webapp/src/main/webapp/app/fusion/ase/scripts/bower_components/Snap.svg/dist/snap.svg.js b/dcae_dmaapbc_webapp/src/main/webapp/app/fusion/ase/scripts/bower_components/Snap.svg/dist/snap.svg.js new file mode 100644 index 0000000..5475170 --- /dev/null +++ b/dcae_dmaapbc_webapp/src/main/webapp/app/fusion/ase/scripts/bower_components/Snap.svg/dist/snap.svg.js @@ -0,0 +1,8170 @@ +// Snap.svg 0.4.1 +// +// Copyright (c) 2013 – 2015 Adobe Systems Incorporated. All rights reserved. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. +// +// build: 2015-04-13 + +// Copyright (c) 2013 Adobe Systems Incorporated. All rights reserved. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. +// ┌────────────────────────────────────────────────────────────┐ \\ +// │ Eve 0.4.2 - JavaScript Events Library │ \\ +// ├────────────────────────────────────────────────────────────┤ \\ +// │ Author Dmitry Baranovskiy (http://dmitry.baranovskiy.com/) │ \\ +// └────────────────────────────────────────────────────────────┘ \\ + +(function (glob) { + var version = "0.4.2", + has = "hasOwnProperty", + separator = /[\.\/]/, + comaseparator = /\s*,\s*/, + wildcard = "*", + fun = function () {}, + numsort = function (a, b) { + return a - b; + }, + current_event, + stop, + events = {n: {}}, + firstDefined = function () { + for (var i = 0, ii = this.length; i < ii; i++) { + if (typeof this[i] != "undefined") { + return this[i]; + } + } + }, + lastDefined = function () { + var i = this.length; + while (--i) { + if (typeof this[i] != "undefined") { + return this[i]; + } + } + }, + /*\ + * eve + [ method ] + + * Fires event with given `name`, given scope and other parameters. + + > Arguments + + - name (string) name of the *event*, dot (`.`) or slash (`/`) separated + - scope (object) context for the event handlers + - varargs (...) the rest of arguments will be sent to event handlers + + = (object) array of returned values from the listeners. Array has two methods `.firstDefined()` and `.lastDefined()` to get first or last not `undefined` value. + \*/ + eve = function (name, scope) { + name = String(name); + var e = events, + oldstop = stop, + args = Array.prototype.slice.call(arguments, 2), + listeners = eve.listeners(name), + z = 0, + f = false, + l, + indexed = [], + queue = {}, + out = [], + ce = current_event, + errors = []; + out.firstDefined = firstDefined; + out.lastDefined = lastDefined; + current_event = name; + stop = 0; + for (var i = 0, ii = listeners.length; i < ii; i++) if ("zIndex" in listeners[i]) { + indexed.push(listeners[i].zIndex); + if (listeners[i].zIndex < 0) { + queue[listeners[i].zIndex] = listeners[i]; + } + } + indexed.sort(numsort); + while (indexed[z] < 0) { + l = queue[indexed[z++]]; + out.push(l.apply(scope, args)); + if (stop) { + stop = oldstop; + return out; + } + } + for (i = 0; i < ii; i++) { + l = listeners[i]; + if ("zIndex" in l) { + if (l.zIndex == indexed[z]) { + out.push(l.apply(scope, args)); + if (stop) { + break; + } + do { + z++; + l = queue[indexed[z]]; + l && out.push(l.apply(scope, args)); + if (stop) { + break; + } + } while (l) + } else { + queue[l.zIndex] = l; + } + } else { + out.push(l.apply(scope, args)); + if (stop) { + break; + } + } + } + stop = oldstop; + current_event = ce; + return out; + }; + // Undocumented. Debug only. + eve._events = events; + /*\ + * eve.listeners + [ method ] + + * Internal method which gives you array of all event handlers that will be triggered by the given `name`. + + > Arguments + + - name (string) name of the event, dot (`.`) or slash (`/`) separated + + = (array) array of event handlers + \*/ + eve.listeners = function (name) { + var names = name.split(separator), + e = events, + item, + items, + k, + i, + ii, + j, + jj, + nes, + es = [e], + out = []; + for (i = 0, ii = names.length; i < ii; i++) { + nes = []; + for (j = 0, jj = es.length; j < jj; j++) { + e = es[j].n; + items = [e[names[i]], e[wildcard]]; + k = 2; + while (k--) { + item = items[k]; + if (item) { + nes.push(item); + out = out.concat(item.f || []); + } + } + } + es = nes; + } + return out; + }; + + /*\ + * eve.on + [ method ] + ** + * Binds given event handler with a given name. You can use wildcards “`*`” for the names: + | eve.on("*.under.*", f); + | eve("mouse.under.floor"); // triggers f + * Use @eve to trigger the listener. + ** + > Arguments + ** + - name (string) name of the event, dot (`.`) or slash (`/`) separated, with optional wildcards + - f (function) event handler function + ** + = (function) returned function accepts a single numeric parameter that represents z-index of the handler. It is an optional feature and only used when you need to ensure that some subset of handlers will be invoked in a given order, despite of the order of assignment. + > Example: + | eve.on("mouse", eatIt)(2); + | eve.on("mouse", scream); + | eve.on("mouse", catchIt)(1); + * This will ensure that `catchIt` function will be called before `eatIt`. + * + * If you want to put your handler before non-indexed handlers, specify a negative value. + * Note: I assume most of the time you don’t need to worry about z-index, but it’s nice to have this feature “just in case”. + \*/ + eve.on = function (name, f) { + name = String(name); + if (typeof f != "function") { + return function () {}; + } + var names = name.split(comaseparator); + for (var i = 0, ii = names.length; i < ii; i++) { + (function (name) { + var names = name.split(separator), + e = events, + exist; + for (var i = 0, ii = names.length; i < ii; i++) { + e = e.n; + e = e.hasOwnProperty(names[i]) && e[names[i]] || (e[names[i]] = {n: {}}); + } + e.f = e.f || []; + for (i = 0, ii = e.f.length; i < ii; i++) if (e.f[i] == f) { + exist = true; + break; + } + !exist && e.f.push(f); + }(names[i])); + } + return function (zIndex) { + if (+zIndex == +zIndex) { + f.zIndex = +zIndex; + } + }; + }; + /*\ + * eve.f + [ method ] + ** + * Returns function that will fire given event with optional arguments. + * Arguments that will be passed to the result function will be also + * concated to the list of final arguments. + | el.onclick = eve.f("click", 1, 2); + | eve.on("click", function (a, b, c) { + | console.log(a, b, c); // 1, 2, [event object] + | }); + > Arguments + - event (string) event name + - varargs (…) and any other arguments + = (function) possible event handler function + \*/ + eve.f = function (event) { + var attrs = [].slice.call(arguments, 1); + return function () { + eve.apply(null, [event, null].concat(attrs).concat([].slice.call(arguments, 0))); + }; + }; + /*\ + * eve.stop + [ method ] + ** + * Is used inside an event handler to stop the event, preventing any subsequent listeners from firing. + \*/ + eve.stop = function () { + stop = 1; + }; + /*\ + * eve.nt + [ method ] + ** + * Could be used inside event handler to figure out actual name of the event. + ** + > Arguments + ** + - subname (string) #optional subname of the event + ** + = (string) name of the event, if `subname` is not specified + * or + = (boolean) `true`, if current event’s name contains `subname` + \*/ + eve.nt = function (subname) { + if (subname) { + return new RegExp("(?:\\.|\\/|^)" + subname + "(?:\\.|\\/|$)").test(current_event); + } + return current_event; + }; + /*\ + * eve.nts + [ method ] + ** + * Could be used inside event handler to figure out actual name of the event. + ** + ** + = (array) names of the event + \*/ + eve.nts = function () { + return current_event.split(separator); + }; + /*\ + * eve.off + [ method ] + ** + * Removes given function from the list of event listeners assigned to given name. + * If no arguments specified all the events will be cleared. + ** + > Arguments + ** + - name (string) name of the event, dot (`.`) or slash (`/`) separated, with optional wildcards + - f (function) event handler function + \*/ + /*\ + * eve.unbind + [ method ] + ** + * See @eve.off + \*/ + eve.off = eve.unbind = function (name, f) { + if (!name) { + eve._events = events = {n: {}}; + return; + } + var names = name.split(comaseparator); + if (names.length > 1) { + for (var i = 0, ii = names.length; i < ii; i++) { + eve.off(names[i], f); + } + return; + } + names = name.split(separator); + var e, + key, + splice, + i, ii, j, jj, + cur = [events]; + for (i = 0, ii = names.length; i < ii; i++) { + for (j = 0; j < cur.length; j += splice.length - 2) { + splice = [j, 1]; + e = cur[j].n; + if (names[i] != wildcard) { + if (e[names[i]]) { + splice.push(e[names[i]]); + } + } else { + for (key in e) if (e[has](key)) { + splice.push(e[key]); + } + } + cur.splice.apply(cur, splice); + } + } + for (i = 0, ii = cur.length; i < ii; i++) { + e = cur[i]; + while (e.n) { + if (f) { + if (e.f) { + for (j = 0, jj = e.f.length; j < jj; j++) if (e.f[j] == f) { + e.f.splice(j, 1); + break; + } + !e.f.length && delete e.f; + } + for (key in e.n) if (e.n[has](key) && e.n[key].f) { + var funcs = e.n[key].f; + for (j = 0, jj = funcs.length; j < jj; j++) if (funcs[j] == f) { + funcs.splice(j, 1); + break; + } + !funcs.length && delete e.n[key].f; + } + } else { + delete e.f; + for (key in e.n) if (e.n[has](key) && e.n[key].f) { + delete e.n[key].f; + } + } + e = e.n; + } + } + }; + /*\ + * eve.once + [ method ] + ** + * Binds given event handler with a given name to only run once then unbind itself. + | eve.once("login", f); + | eve("login"); // triggers f + | eve("login"); // no listeners + * Use @eve to trigger the listener. + ** + > Arguments + ** + - name (string) name of the event, dot (`.`) or slash (`/`) separated, with optional wildcards + - f (function) event handler function + ** + = (function) same return function as @eve.on + \*/ + eve.once = function (name, f) { + var f2 = function () { + eve.unbind(name, f2); + return f.apply(this, arguments); + }; + return eve.on(name, f2); + }; + /*\ + * eve.version + [ property (string) ] + ** + * Current version of the library. + \*/ + eve.version = version; + eve.toString = function () { + return "You are running Eve " + version; + }; + (typeof module != "undefined" && module.exports) ? (module.exports = eve) : (typeof define === "function" && define.amd ? (define("eve", [], function() { return eve; })) : (glob.eve = eve)); +})(this); + +(function (glob, factory) { + // AMD support + if (typeof define == "function" && define.amd) { + // Define as an anonymous module + define(["eve"], function (eve) { + return factory(glob, eve); + }); + } else if (typeof exports != 'undefined') { + // Next for Node.js or CommonJS + var eve = require('eve'); + module.exports = factory(glob, eve); + } else { + // Browser globals (glob is window) + // Snap adds itself to window + factory(glob, glob.eve); + } +}(window || this, function (window, eve) { + +// Copyright (c) 2013 Adobe Systems Incorporated. All rights reserved. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. +var mina = (function (eve) { + var animations = {}, + requestAnimFrame = window.requestAnimationFrame || + window.webkitRequestAnimationFrame || + window.mozRequestAnimationFrame || + window.oRequestAnimationFrame || + window.msRequestAnimationFrame || + function (callback) { + setTimeout(callback, 16); + }, + isArray = Array.isArray || function (a) { + return a instanceof Array || + Object.prototype.toString.call(a) == "[object Array]"; + }, + idgen = 0, + idprefix = "M" + (+new Date).toString(36), + ID = function () { + return idprefix + (idgen++).toString(36); + }, + diff = function (a, b, A, B) { + if (isArray(a)) { + res = []; + for (var i = 0, ii = a.length; i < ii; i++) { + res[i] = diff(a[i], b, A[i], B); + } + return res; + } + var dif = (A - a) / (B - b); + return function (bb) { + return a + dif * (bb - b); + }; + }, + timer = Date.now || function () { + return +new Date; + }, + sta = function (val) { + var a = this; + if (val == null) { + return a.s; + } + var ds = a.s - val; + a.b += a.dur * ds; + a.B += a.dur * ds; + a.s = val; + }, + speed = function (val) { + var a = this; + if (val == null) { + return a.spd; + } + a.spd = val; + }, + duration = function (val) { + var a = this; + if (val == null) { + return a.dur; + } + a.s = a.s * val / a.dur; + a.dur = val; + }, + stopit = function () { + var a = this; + delete animations[a.id]; + a.update(); + eve("mina.stop." + a.id, a); + }, + pause = function () { + var a = this; + if (a.pdif) { + return; + } + delete animations[a.id]; + a.update(); + a.pdif = a.get() - a.b; + }, + resume = function () { + var a = this; + if (!a.pdif) { + return; + } + a.b = a.get() - a.pdif; + delete a.pdif; + animations[a.id] = a; + }, + update = function () { + var a = this, + res; + if (isArray(a.start)) { + res = []; + for (var j = 0, jj = a.start.length; j < jj; j++) { + res[j] = +a.start[j] + + (a.end[j] - a.start[j]) * a.easing(a.s); + } + } else { + res = +a.start + (a.end - a.start) * a.easing(a.s); + } + a.set(res); + }, + frame = function () { + var len = 0; + for (var i in animations) if (animations.hasOwnProperty(i)) { + var a = animations[i], + b = a.get(), + res; + len++; + a.s = (b - a.b) / (a.dur / a.spd); + if (a.s >= 1) { + delete animations[i]; + a.s = 1; + len--; + (function (a) { + setTimeout(function () { + eve("mina.finish." + a.id, a); + }); + }(a)); + } + a.update(); + } + len && requestAnimFrame(frame); + }, + /*\ + * mina + [ method ] + ** + * Generic animation of numbers + ** + - a (number) start _slave_ number + - A (number) end _slave_ number + - b (number) start _master_ number (start time in general case) + - B (number) end _master_ number (end time in gereal case) + - get (function) getter of _master_ number (see @mina.time) + - set (function) setter of _slave_ number + - easing (function) #optional easing function, default is @mina.linear + = (object) animation descriptor + o { + o id (string) animation id, + o start (number) start _slave_ number, + o end (number) end _slave_ number, + o b (number) start _master_ number, + o s (number) animation status (0..1), + o dur (number) animation duration, + o spd (number) animation speed, + o get (function) getter of _master_ number (see @mina.time), + o set (function) setter of _slave_ number, + o easing (function) easing function, default is @mina.linear, + o status (function) status getter/setter, + o speed (function) speed getter/setter, + o duration (function) duration getter/setter, + o stop (function) animation stopper + o pause (function) pauses the animation + o resume (function) resumes the animation + o update (function) calles setter with the right value of the animation + o } + \*/ + mina = function (a, A, b, B, get, set, easing) { + var anim = { + id: ID(), + start: a, + end: A, + b: b, + s: 0, + dur: B - b, + spd: 1, + get: get, + set: set, + easing: easing || mina.linear, + status: sta, + speed: speed, + duration: duration, + stop: stopit, + pause: pause, + resume: resume, + update: update + }; + animations[anim.id] = anim; + var len = 0, i; + for (i in animations) if (animations.hasOwnProperty(i)) { + len++; + if (len == 2) { + break; + } + } + len == 1 && requestAnimFrame(frame); + return anim; + }; + /*\ + * mina.time + [ method ] + ** + * Returns the current time. Equivalent to: + | function () { + | return (new Date).getTime(); + | } + \*/ + mina.time = timer; + /*\ + * mina.getById + [ method ] + ** + * Returns an animation by its id + - id (string) animation's id + = (object) See @mina + \*/ + mina.getById = function (id) { + return animations[id] || null; + }; + + /*\ + * mina.linear + [ method ] + ** + * Default linear easing + - n (number) input 0..1 + = (number) output 0..1 + \*/ + mina.linear = function (n) { + return n; + }; + /*\ + * mina.easeout + [ method ] + ** + * Easeout easing + - n (number) input 0..1 + = (number) output 0..1 + \*/ + mina.easeout = function (n) { + return Math.pow(n, 1.7); + }; + /*\ + * mina.easein + [ method ] + ** + * Easein easing + - n (number) input 0..1 + = (number) output 0..1 + \*/ + mina.easein = function (n) { + return Math.pow(n, .48); + }; + /*\ + * mina.easeinout + [ method ] + ** + * Easeinout easing + - n (number) input 0..1 + = (number) output 0..1 + \*/ + mina.easeinout = function (n) { + if (n == 1) { + return 1; + } + if (n == 0) { + return 0; + } + var q = .48 - n / 1.04, + Q = Math.sqrt(.1734 + q * q), + x = Q - q, + X = Math.pow(Math.abs(x), 1 / 3) * (x < 0 ? -1 : 1), + y = -Q - q, + Y = Math.pow(Math.abs(y), 1 / 3) * (y < 0 ? -1 : 1), + t = X + Y + .5; + return (1 - t) * 3 * t * t + t * t * t; + }; + /*\ + * mina.backin + [ method ] + ** + * Backin easing + - n (number) input 0..1 + = (number) output 0..1 + \*/ + mina.backin = function (n) { + if (n == 1) { + return 1; + } + var s = 1.70158; + return n * n * ((s + 1) * n - s); + }; + /*\ + * mina.backout + [ method ] + ** + * Backout easing + - n (number) input 0..1 + = (number) output 0..1 + \*/ + mina.backout = function (n) { + if (n == 0) { + return 0; + } + n = n - 1; + var s = 1.70158; + return n * n * ((s + 1) * n + s) + 1; + }; + /*\ + * mina.elastic + [ method ] + ** + * Elastic easing + - n (number) input 0..1 + = (number) output 0..1 + \*/ + mina.elastic = function (n) { + if (n == !!n) { + return n; + } + return Math.pow(2, -10 * n) * Math.sin((n - .075) * + (2 * Math.PI) / .3) + 1; + }; + /*\ + * mina.bounce + [ method ] + ** + * Bounce easing + - n (number) input 0..1 + = (number) output 0..1 + \*/ + mina.bounce = function (n) { + var s = 7.5625, + p = 2.75, + l; + if (n < (1 / p)) { + l = s * n * n; + } else { + if (n < (2 / p)) { + n -= (1.5 / p); + l = s * n * n + .75; + } else { + if (n < (2.5 / p)) { + n -= (2.25 / p); + l = s * n * n + .9375; + } else { + n -= (2.625 / p); + l = s * n * n + .984375; + } + } + } + return l; + }; + window.mina = mina; + return mina; +})(typeof eve == "undefined" ? function () {} : eve); +// Copyright (c) 2013 - 2015 Adobe Systems Incorporated. All rights reserved. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +var Snap = (function(root) { +Snap.version = "0.4.0"; +/*\ + * Snap + [ method ] + ** + * Creates a drawing surface or wraps existing SVG element. + ** + - width (number|string) width of surface + - height (number|string) height of surface + * or + - DOM (SVGElement) element to be wrapped into Snap structure + * or + - array (array) array of elements (will return set of elements) + * or + - query (string) CSS query selector + = (object) @Element +\*/ +function Snap(w, h) { + if (w) { + if (w.nodeType) { + return wrap(w); + } + if (is(w, "array") && Snap.set) { + return Snap.set.apply(Snap, w); + } + if (w instanceof Element) { + return w; + } + if (h == null) { + w = glob.doc.querySelector(String(w)); + return wrap(w); + } + } + w = w == null ? "100%" : w; + h = h == null ? "100%" : h; + return new Paper(w, h); +} +Snap.toString = function () { + return "Snap v" + this.version; +}; +Snap._ = {}; +var glob = { + win: root.window, + doc: root.window.document +}; +Snap._.glob = glob; +var has = "hasOwnProperty", + Str = String, + toFloat = parseFloat, + toInt = parseInt, + math = Math, + mmax = math.max, + mmin = math.min, + abs = math.abs, + pow = math.pow, + PI = math.PI, + round = math.round, + E = "", + S = " ", + objectToString = Object.prototype.toString, + ISURL = /^url\(['"]?([^\)]+?)['"]?\)$/i, + colourRegExp = /^\s*((#[a-f\d]{6})|(#[a-f\d]{3})|rgba?\(\s*([\d\.]+%?\s*,\s*[\d\.]+%?\s*,\s*[\d\.]+%?(?:\s*,\s*[\d\.]+%?)?)\s*\)|hsba?\(\s*([\d\.]+(?:deg|\xb0|%)?\s*,\s*[\d\.]+%?\s*,\s*[\d\.]+(?:%?\s*,\s*[\d\.]+)?%?)\s*\)|hsla?\(\s*([\d\.]+(?:deg|\xb0|%)?\s*,\s*[\d\.]+%?\s*,\s*[\d\.]+(?:%?\s*,\s*[\d\.]+)?%?)\s*\))\s*$/i, + bezierrg = /^(?:cubic-)?bezier\(([^,]+),([^,]+),([^,]+),([^\)]+)\)/, + reURLValue = /^url\(#?([^)]+)\)$/, + separator = Snap._.separator = /[,\s]+/, + whitespace = /[\s]/g, + commaSpaces = /[\s]*,[\s]*/, + hsrg = {hs: 1, rg: 1}, + pathCommand = /([a-z])[\s,]*((-?\d*\.?\d*(?:e[\-+]?\d+)?[\s]*,?[\s]*)+)/ig, + tCommand = /([rstm])[\s,]*((-?\d*\.?\d*(?:e[\-+]?\d+)?[\s]*,?[\s]*)+)/ig, + pathValues = /(-?\d*\.?\d*(?:e[\-+]?\\d+)?)[\s]*,?[\s]*/ig, + idgen = 0, + idprefix = "S" + (+new Date).toString(36), + ID = function (el) { + return (el && el.type ? el.type : E) + idprefix + (idgen++).toString(36); + }, + xlink = "http://www.w3.org/1999/xlink", + xmlns = "http://www.w3.org/2000/svg", + hub = {}, + URL = Snap.url = function (url) { + return "url('#" + url + "')"; + }; + +function $(el, attr) { + if (attr) { + if (el == "#text") { + el = glob.doc.createTextNode(attr.text || attr["#text"] || ""); + } + if (el == "#comment") { + el = glob.doc.createComment(attr.text || attr["#text"] || ""); + } + if (typeof el == "string") { + el = $(el); + } + if (typeof attr == "string") { + if (el.nodeType == 1) { + if (attr.substring(0, 6) == "xlink:") { + return el.getAttributeNS(xlink, attr.substring(6)); + } + if (attr.substring(0, 4) == "xml:") { + return el.getAttributeNS(xmlns, attr.substring(4)); + } + return el.getAttribute(attr); + } else if (attr == "text") { + return el.nodeValue; + } else { + return null; + } + } + if (el.nodeType == 1) { + for (var key in attr) if (attr[has](key)) { + var val = Str(attr[key]); + if (val) { + if (key.substring(0, 6) == "xlink:") { + el.setAttributeNS(xlink, key.substring(6), val); + } else if (key.substring(0, 4) == "xml:") { + el.setAttributeNS(xmlns, key.substring(4), val); + } else { + el.setAttribute(key, val); + } + } else { + el.removeAttribute(key); + } + } + } else if ("text" in attr) { + el.nodeValue = attr.text; + } + } else { + el = glob.doc.createElementNS(xmlns, el); + } + return el; +} +Snap._.$ = $; +Snap._.id = ID; +function getAttrs(el) { + var attrs = el.attributes, + name, + out = {}; + for (var i = 0; i < attrs.length; i++) { + if (attrs[i].namespaceURI == xlink) { + name = "xlink:"; + } else { + name = ""; + } + name += attrs[i].name; + out[name] = attrs[i].textContent; + } + return out; +} +function is(o, type) { + type = Str.prototype.toLowerCase.call(type); + if (type == "finite") { + return isFinite(o); + } + if (type == "array" && + (o instanceof Array || Array.isArray && Array.isArray(o))) { + return true; + } + return (type == "null" && o === null) || + (type == typeof o && o !== null) || + (type == "object" && o === Object(o)) || + objectToString.call(o).slice(8, -1).toLowerCase() == type; +} +/*\ + * Snap.format + [ method ] + ** + * Replaces construction of type `{<name>}` to the corresponding argument + ** + - token (string) string to format + - json (object) object which properties are used as a replacement + = (string) formatted string + > Usage + | // this draws a rectangular shape equivalent to "M10,20h40v50h-40z" + | paper.path(Snap.format("M{x},{y}h{dim.width}v{dim.height}h{dim['negative width']}z", { + | x: 10, + | y: 20, + | dim: { + | width: 40, + | height: 50, + | "negative width": -40 + | } + | })); +\*/ +Snap.format = (function () { + var tokenRegex = /\{([^\}]+)\}/g, + objNotationRegex = /(?:(?:^|\.)(.+?)(?=\[|\.|$|\()|\[('|")(.+?)\2\])(\(\))?/g, // matches .xxxxx or ["xxxxx"] to run over object properties + replacer = function (all, key, obj) { + var res = obj; + key.replace(objNotationRegex, function (all, name, quote, quotedName, isFunc) { + name = name || quotedName; + if (res) { + if (name in res) { + res = res[name]; + } + typeof res == "function" && isFunc && (res = res()); + } + }); + res = (res == null || res == obj ? all : res) + ""; + return res; + }; + return function (str, obj) { + return Str(str).replace(tokenRegex, function (all, key) { + return replacer(all, key, obj); + }); + }; +})(); +function clone(obj) { + if (typeof obj == "function" || Object(obj) !== obj) { + return obj; + } + var res = new obj.constructor; + for (var key in obj) if (obj[has](key)) { + res[key] = clone(obj[key]); + } + return res; +} +Snap._.clone = clone; +function repush(array, item) { + for (var i = 0, ii = array.length; i < ii; i++) if (array[i] === item) { + return array.push(array.splice(i, 1)[0]); + } +} +function cacher(f, scope, postprocessor) { + function newf() { + var arg = Array.prototype.slice.call(arguments, 0), + args = arg.join("\u2400"), + cache = newf.cache = newf.cache || {}, + count = newf.count = newf.count || []; + if (cache[has](args)) { + repush(count, args); + return postprocessor ? postprocessor(cache[args]) : cache[args]; + } + count.length >= 1e3 && delete cache[count.shift()]; + count.push(args); + cache[args] = f.apply(scope, arg); + return postprocessor ? postprocessor(cache[args]) : cache[args]; + } + return newf; +} +Snap._.cacher = cacher; +function angle(x1, y1, x2, y2, x3, y3) { + if (x3 == null) { + var x = x1 - x2, + y = y1 - y2; + if (!x && !y) { + return 0; + } + return (180 + math.atan2(-y, -x) * 180 / PI + 360) % 360; + } else { + return angle(x1, y1, x3, y3) - angle(x2, y2, x3, y3); + } +} +function rad(deg) { + return deg % 360 * PI / 180; +} +function deg(rad) { + return rad * 180 / PI % 360; +} +function x_y() { + return this.x + S + this.y; +} +function x_y_w_h() { + return this.x + S + this.y + S + this.width + " \xd7 " + this.height; +} + +/*\ + * Snap.rad + [ method ] + ** + * Transform angle to radians + - deg (number) angle in degrees + = (number) angle in radians +\*/ +Snap.rad = rad; +/*\ + * Snap.deg + [ method ] + ** + * Transform angle to degrees + - rad (number) angle in radians + = (number) angle in degrees +\*/ +Snap.deg = deg; +/*\ + * Snap.sin + [ method ] + ** + * Equivalent to `Math.sin()` only works with degrees, not radians. + - angle (number) angle in degrees + = (number) sin +\*/ +Snap.sin = function (angle) { + return math.sin(Snap.rad(angle)); +}; +/*\ + * Snap.tan + [ method ] + ** + * Equivalent to `Math.tan()` only works with degrees, not radians. + - angle (number) angle in degrees + = (number) tan +\*/ +Snap.tan = function (angle) { + return math.tan(Snap.rad(angle)); +}; +/*\ + * Snap.cos + [ method ] + ** + * Equivalent to `Math.cos()` only works with degrees, not radians. + - angle (number) angle in degrees + = (number) cos +\*/ +Snap.cos = function (angle) { + return math.cos(Snap.rad(angle)); +}; +/*\ + * Snap.asin + [ method ] + ** + * Equivalent to `Math.asin()` only works with degrees, not radians. + - num (number) value + = (number) asin in degrees +\*/ +Snap.asin = function (num) { + return Snap.deg(math.asin(num)); +}; +/*\ + * Snap.acos + [ method ] + ** + * Equivalent to `Math.acos()` only works with degrees, not radians. + - num (number) value + = (number) acos in degrees +\*/ +Snap.acos = function (num) { + return Snap.deg(math.acos(num)); +}; +/*\ + * Snap.atan + [ method ] + ** + * Equivalent to `Math.atan()` only works with degrees, not radians. + - num (number) value + = (number) atan in degrees +\*/ +Snap.atan = function (num) { + return Snap.deg(math.atan(num)); +}; +/*\ + * Snap.atan2 + [ method ] + ** + * Equivalent to `Math.atan2()` only works with degrees, not radians. + - num (number) value + = (number) atan2 in degrees +\*/ +Snap.atan2 = function (num) { + return Snap.deg(math.atan2(num)); +}; +/*\ + * Snap.angle + [ method ] + ** + * Returns an angle between two or three points + > Parameters + - x1 (number) x coord of first point + - y1 (number) y coord of first point + - x2 (number) x coord of second point + - y2 (number) y coord of second point + - x3 (number) #optional x coord of third point + - y3 (number) #optional y coord of third point + = (number) angle in degrees +\*/ +Snap.angle = angle; +/*\ + * Snap.len + [ method ] + ** + * Returns distance between two points + > Parameters + - x1 (number) x coord of first point + - y1 (number) y coord of first point + - x2 (number) x coord of second point + - y2 (number) y coord of second point + = (number) distance +\*/ +Snap.len = function (x1, y1, x2, y2) { + return Math.sqrt(Snap.len2(x1, y1, x2, y2)); +}; +/*\ + * Snap.len2 + [ method ] + ** + * Returns squared distance between two points + > Parameters + - x1 (number) x coord of first point + - y1 (number) y coord of first point + - x2 (number) x coord of second point + - y2 (number) y coord of second point + = (number) distance +\*/ +Snap.len2 = function (x1, y1, x2, y2) { + return (x1 - x2) * (x1 - x2) + (y1 - y2) * (y1 - y2); +}; +/*\ + * Snap.closestPoint + [ method ] + ** + * Returns closest point to a given one on a given path. + > Parameters + - path (Element) path element + - x (number) x coord of a point + - y (number) y coord of a point + = (object) in format + { + x (number) x coord of the point on the path + y (number) y coord of the point on the path + length (number) length of the path to the point + distance (number) distance from the given point to the path + } +\*/ +// Copied from http://bl.ocks.org/mbostock/8027637 +Snap.closestPoint = function (path, x, y) { + function distance2(p) { + var dx = p.x - x, + dy = p.y - y; + return dx * dx + dy * dy; + } + var pathNode = path.node, + pathLength = pathNode.getTotalLength(), + precision = pathLength / pathNode.pathSegList.numberOfItems * .125, + best, + bestLength, + bestDistance = Infinity; + + // linear scan for coarse approximation + for (var scan, scanLength = 0, scanDistance; scanLength <= pathLength; scanLength += precision) { + if ((scanDistance = distance2(scan = pathNode.getPointAtLength(scanLength))) < bestDistance) { + best = scan, bestLength = scanLength, bestDistance = scanDistance; + } + } + + // binary search for precise estimate + precision *= .5; + while (precision > .5) { + var before, + after, + beforeLength, + afterLength, + beforeDistance, + afterDistance; + if ((beforeLength = bestLength - precision) >= 0 && (beforeDistance = distance2(before = pathNode.getPointAtLength(beforeLength))) < bestDistance) { + best = before, bestLength = beforeLength, bestDistance = beforeDistance; + } else if ((afterLength = bestLength + precision) <= pathLength && (afterDistance = distance2(after = pathNode.getPointAtLength(afterLength))) < bestDistance) { + best = after, bestLength = afterLength, bestDistance = afterDistance; + } else { + precision *= .5; + } + } + + best = { + x: best.x, + y: best.y, + length: bestLength, + distance: Math.sqrt(bestDistance) + }; + return best; +} +/*\ + * Snap.is + [ method ] + ** + * Handy replacement for the `typeof` operator + - o (…) any object or primitive + - type (string) name of the type, e.g., `string`, `function`, `number`, etc. + = (boolean) `true` if given value is of given type +\*/ +Snap.is = is; +/*\ + * Snap.snapTo + [ method ] + ** + * Snaps given value to given grid + - values (array|number) given array of values or step of the grid + - value (number) value to adjust + - tolerance (number) #optional maximum distance to the target value that would trigger the snap. Default is `10`. + = (number) adjusted value +\*/ +Snap.snapTo = function (values, value, tolerance) { + tolerance = is(tolerance, "finite") ? tolerance : 10; + if (is(values, "array")) { + var i = values.length; + while (i--) if (abs(values[i] - value) <= tolerance) { + return values[i]; + } + } else { + values = +values; + var rem = value % values; + if (rem < tolerance) { + return value - rem; + } + if (rem > values - tolerance) { + return value - rem + values; + } + } + return value; +}; +// Colour +/*\ + * Snap.getRGB + [ method ] + ** + * Parses color string as RGB object + - color (string) color string in one of the following formats: + # <ul> + # <li>Color name (<code>red</code>, <code>green</code>, <code>cornflowerblue</code>, etc)</li> + # <li>#••• — shortened HTML color: (<code>#000</code>, <code>#fc0</code>, etc.)</li> + # <li>#•••••• — full length HTML color: (<code>#000000</code>, <code>#bd2300</code>)</li> + # <li>rgb(•••, •••, •••) — red, green and blue channels values: (<code>rgb(200, 100, 0)</code>)</li> + # <li>rgba(•••, •••, •••, •••) — also with opacity</li> + # <li>rgb(•••%, •••%, •••%) — same as above, but in %: (<code>rgb(100%, 175%, 0%)</code>)</li> + # <li>rgba(•••%, •••%, •••%, •••%) — also with opacity</li> + # <li>hsb(•••, •••, •••) — hue, saturation and brightness values: (<code>hsb(0.5, 0.25, 1)</code>)</li> + # <li>hsba(•••, •••, •••, •••) — also with opacity</li> + # <li>hsb(•••%, •••%, •••%) — same as above, but in %</li> + # <li>hsba(•••%, •••%, •••%, •••%) — also with opacity</li> + # <li>hsl(•••, •••, •••) — hue, saturation and luminosity values: (<code>hsb(0.5, 0.25, 0.5)</code>)</li> + # <li>hsla(•••, •••, •••, •••) — also with opacity</li> + # <li>hsl(•••%, •••%, •••%) — same as above, but in %</li> + # <li>hsla(•••%, •••%, •••%, •••%) — also with opacity</li> + # </ul> + * Note that `%` can be used any time: `rgb(20%, 255, 50%)`. + = (object) RGB object in the following format: + o { + o r (number) red, + o g (number) green, + o b (number) blue, + o hex (string) color in HTML/CSS format: #••••••, + o error (boolean) true if string can't be parsed + o } +\*/ +Snap.getRGB = cacher(function (colour) { + if (!colour || !!((colour = Str(colour)).indexOf("-") + 1)) { + return {r: -1, g: -1, b: -1, hex: "none", error: 1, toString: rgbtoString}; + } + if (colour == "none") { + return {r: -1, g: -1, b: -1, hex: "none", toString: rgbtoString}; + } + !(hsrg[has](colour.toLowerCase().substring(0, 2)) || colour.charAt() == "#") && (colour = toHex(colour)); + if (!colour) { + return {r: -1, g: -1, b: -1, hex: "none", error: 1, toString: rgbtoString}; + } + var res, + red, + green, + blue, + opacity, + t, + values, + rgb = colour.match(colourRegExp); + if (rgb) { + if (rgb[2]) { + blue = toInt(rgb[2].substring(5), 16); + green = toInt(rgb[2].substring(3, 5), 16); + red = toInt(rgb[2].substring(1, 3), 16); + } + if (rgb[3]) { + blue = toInt((t = rgb[3].charAt(3)) + t, 16); + green = toInt((t = rgb[3].charAt(2)) + t, 16); + red = toInt((t = rgb[3].charAt(1)) + t, 16); + } + if (rgb[4]) { + values = rgb[4].split(commaSpaces); + red = toFloat(values[0]); + values[0].slice(-1) == "%" && (red *= 2.55); + green = toFloat(values[1]); + values[1].slice(-1) == "%" && (green *= 2.55); + blue = toFloat(values[2]); + values[2].slice(-1) == "%" && (blue *= 2.55); + rgb[1].toLowerCase().slice(0, 4) == "rgba" && (opacity = toFloat(values[3])); + values[3] && values[3].slice(-1) == "%" && (opacity /= 100); + } + if (rgb[5]) { + values = rgb[5].split(commaSpaces); + red = toFloat(values[0]); + values[0].slice(-1) == "%" && (red /= 100); + green = toFloat(values[1]); + values[1].slice(-1) == "%" && (green /= 100); + blue = toFloat(values[2]); + values[2].slice(-1) == "%" && (blue /= 100); + (values[0].slice(-3) == "deg" || values[0].slice(-1) == "\xb0") && (red /= 360); + rgb[1].toLowerCase().slice(0, 4) == "hsba" && (opacity = toFloat(values[3])); + values[3] && values[3].slice(-1) == "%" && (opacity /= 100); + return Snap.hsb2rgb(red, green, blue, opacity); + } + if (rgb[6]) { + values = rgb[6].split(commaSpaces); + red = toFloat(values[0]); + values[0].slice(-1) == "%" && (red /= 100); + green = toFloat(values[1]); + values[1].slice(-1) == "%" && (green /= 100); + blue = toFloat(values[2]); + values[2].slice(-1) == "%" && (blue /= 100); + (values[0].slice(-3) == "deg" || values[0].slice(-1) == "\xb0") && (red /= 360); + rgb[1].toLowerCase().slice(0, 4) == "hsla" && (opacity = toFloat(values[3])); + values[3] && values[3].slice(-1) == "%" && (opacity /= 100); + return Snap.hsl2rgb(red, green, blue, opacity); + } + red = mmin(math.round(red), 255); + green = mmin(math.round(green), 255); + blue = mmin(math.round(blue), 255); + opacity = mmin(mmax(opacity, 0), 1); + rgb = {r: red, g: green, b: blue, toString: rgbtoString}; + rgb.hex = "#" + (16777216 | blue | (green << 8) | (red << 16)).toString(16).slice(1); + rgb.opacity = is(opacity, "finite") ? opacity : 1; + return rgb; + } + return {r: -1, g: -1, b: -1, hex: "none", error: 1, toString: rgbtoString}; +}, Snap); +/*\ + * Snap.hsb + [ method ] + ** + * Converts HSB values to a hex representation of the color + - h (number) hue + - s (number) saturation + - b (number) value or brightness + = (string) hex representation of the color +\*/ +Snap.hsb = cacher(function (h, s, b) { + return Snap.hsb2rgb(h, s, b).hex; +}); +/*\ + * Snap.hsl + [ method ] + ** + * Converts HSL values to a hex representation of the color + - h (number) hue + - s (number) saturation + - l (number) luminosity + = (string) hex representation of the color +\*/ +Snap.hsl = cacher(function (h, s, l) { + return Snap.hsl2rgb(h, s, l).hex; +}); +/*\ + * Snap.rgb + [ method ] + ** + * Converts RGB values to a hex representation of the color + - r (number) red + - g (number) green + - b (number) blue + = (string) hex representation of the color +\*/ +Snap.rgb = cacher(function (r, g, b, o) { + if (is(o, "finite")) { + var round = math.round; + return "rgba(" + [round(r), round(g), round(b), +o.toFixed(2)] + ")"; + } + return "#" + (16777216 | b | (g << 8) | (r << 16)).toString(16).slice(1); +}); +var toHex = function (color) { + var i = glob.doc.getElementsByTagName("head")[0] || glob.doc.getElementsByTagName("svg")[0], + red = "rgb(255, 0, 0)"; + toHex = cacher(function (color) { + if (color.toLowerCase() == "red") { + return red; + } + i.style.color = red; + i.style.color = color; + var out = glob.doc.defaultView.getComputedStyle(i, E).getPropertyValue("color"); + return out == red ? null : out; + }); + return toHex(color); +}, +hsbtoString = function () { + return "hsb(" + [this.h, this.s, this.b] + ")"; +}, +hsltoString = function () { + return "hsl(" + [this.h, this.s, this.l] + ")"; +}, +rgbtoString = function () { + return this.opacity == 1 || this.opacity == null ? + this.hex : + "rgba(" + [this.r, this.g, this.b, this.opacity] + ")"; +}, +prepareRGB = function (r, g, b) { + if (g == null && is(r, "object") && "r" in r && "g" in r && "b" in r) { + b = r.b; + g = r.g; + r = r.r; + } + if (g == null && is(r, string)) { + var clr = Snap.getRGB(r); + r = clr.r; + g = clr.g; + b = clr.b; + } + if (r > 1 || g > 1 || b > 1) { + r /= 255; + g /= 255; + b /= 255; + } + + return [r, g, b]; +}, +packageRGB = function (r, g, b, o) { + r = math.round(r * 255); + g = math.round(g * 255); + b = math.round(b * 255); + var rgb = { + r: r, + g: g, + b: b, + opacity: is(o, "finite") ? o : 1, + hex: Snap.rgb(r, g, b), + toString: rgbtoString + }; + is(o, "finite") && (rgb.opacity = o); + return rgb; +}; +/*\ + * Snap.color + [ method ] + ** + * Parses the color string and returns an object featuring the color's component values + - clr (string) color string in one of the supported formats (see @Snap.getRGB) + = (object) Combined RGB/HSB object in the following format: + o { + o r (number) red, + o g (number) green, + o b (number) blue, + o hex (string) color in HTML/CSS format: #••••••, + o error (boolean) `true` if string can't be parsed, + o h (number) hue, + o s (number) saturation, + o v (number) value (brightness), + o l (number) lightness + o } +\*/ +Snap.color = function (clr) { + var rgb; + if (is(clr, "object") && "h" in clr && "s" in clr && "b" in clr) { + rgb = Snap.hsb2rgb(clr); + clr.r = rgb.r; + clr.g = rgb.g; + clr.b = rgb.b; + clr.opacity = 1; + clr.hex = rgb.hex; + } else if (is(clr, "object") && "h" in clr && "s" in clr && "l" in clr) { + rgb = Snap.hsl2rgb(clr); + clr.r = rgb.r; + clr.g = rgb.g; + clr.b = rgb.b; + clr.opacity = 1; + clr.hex = rgb.hex; + } else { + if (is(clr, "string")) { + clr = Snap.getRGB(clr); + } + if (is(clr, "object") && "r" in clr && "g" in clr && "b" in clr && !("error" in clr)) { + rgb = Snap.rgb2hsl(clr); + clr.h = rgb.h; + clr.s = rgb.s; + clr.l = rgb.l; + rgb = Snap.rgb2hsb(clr); + clr.v = rgb.b; + } else { + clr = {hex: "none"}; + clr.r = clr.g = clr.b = clr.h = clr.s = clr.v = clr.l = -1; + clr.error = 1; + } + } + clr.toString = rgbtoString; + return clr; +}; +/*\ + * Snap.hsb2rgb + [ method ] + ** + * Converts HSB values to an RGB object + - h (number) hue + - s (number) saturation + - v (number) value or brightness + = (object) RGB object in the following format: + o { + o r (number) red, + o g (number) green, + o b (number) blue, + o hex (string) color in HTML/CSS format: #•••••• + o } +\*/ +Snap.hsb2rgb = function (h, s, v, o) { + if (is(h, "object") && "h" in h && "s" in h && "b" in h) { + v = h.b; + s = h.s; + o = h.o; + h = h.h; + } + h *= 360; + var R, G, B, X, C; + h = (h % 360) / 60; + C = v * s; + X = C * (1 - abs(h % 2 - 1)); + R = G = B = v - C; + + h = ~~h; + R += [C, X, 0, 0, X, C][h]; + G += [X, C, C, X, 0, 0][h]; + B += [0, 0, X, C, C, X][h]; + return packageRGB(R, G, B, o); +}; +/*\ + * Snap.hsl2rgb + [ method ] + ** + * Converts HSL values to an RGB object + - h (number) hue + - s (number) saturation + - l (number) luminosity + = (object) RGB object in the following format: + o { + o r (number) red, + o g (number) green, + o b (number) blue, + o hex (string) color in HTML/CSS format: #•••••• + o } +\*/ +Snap.hsl2rgb = function (h, s, l, o) { + if (is(h, "object") && "h" in h && "s" in h && "l" in h) { + l = h.l; + s = h.s; + h = h.h; + } + if (h > 1 || s > 1 || l > 1) { + h /= 360; + s /= 100; + l /= 100; + } + h *= 360; + var R, G, B, X, C; + h = (h % 360) / 60; + C = 2 * s * (l < .5 ? l : 1 - l); + X = C * (1 - abs(h % 2 - 1)); + R = G = B = l - C / 2; + + h = ~~h; + R += [C, X, 0, 0, X, C][h]; + G += [X, C, C, X, 0, 0][h]; + B += [0, 0, X, C, C, X][h]; + return packageRGB(R, G, B, o); +}; +/*\ + * Snap.rgb2hsb + [ method ] + ** + * Converts RGB values to an HSB object + - r (number) red + - g (number) green + - b (number) blue + = (object) HSB object in the following format: + o { + o h (number) hue, + o s (number) saturation, + o b (number) brightness + o } +\*/ +Snap.rgb2hsb = function (r, g, b) { + b = prepareRGB(r, g, b); + r = b[0]; + g = b[1]; + b = b[2]; + + var H, S, V, C; + V = mmax(r, g, b); + C = V - mmin(r, g, b); + H = (C == 0 ? null : + V == r ? (g - b) / C : + V == g ? (b - r) / C + 2 : + (r - g) / C + 4 + ); + H = ((H + 360) % 6) * 60 / 360; + S = C == 0 ? 0 : C / V; + return {h: H, s: S, b: V, toString: hsbtoString}; +}; +/*\ + * Snap.rgb2hsl + [ method ] + ** + * Converts RGB values to an HSL object + - r (number) red + - g (number) green + - b (number) blue + = (object) HSL object in the following format: + o { + o h (number) hue, + o s (number) saturation, + o l (number) luminosity + o } +\*/ +Snap.rgb2hsl = function (r, g, b) { + b = prepareRGB(r, g, b); + r = b[0]; + g = b[1]; + b = b[2]; + + var H, S, L, M, m, C; + M = mmax(r, g, b); + m = mmin(r, g, b); + C = M - m; + H = (C == 0 ? null : + M == r ? (g - b) / C : + M == g ? (b - r) / C + 2 : + (r - g) / C + 4); + H = ((H + 360) % 6) * 60 / 360; + L = (M + m) / 2; + S = (C == 0 ? 0 : + L < .5 ? C / (2 * L) : + C / (2 - 2 * L)); + return {h: H, s: S, l: L, toString: hsltoString}; +}; + +// Transformations +/*\ + * Snap.parsePathString + [ method ] + ** + * Utility method + ** + * Parses given path string into an array of arrays of path segments + - pathString (string|array) path string or array of segments (in the last case it is returned straight away) + = (array) array of segments +\*/ +Snap.parsePathString = function (pathString) { + if (!pathString) { + return null; + } + var pth = Snap.path(pathString); + if (pth.arr) { + return Snap.path.clone(pth.arr); + } + + var paramCounts = {a: 7, c: 6, o: 2, h: 1, l: 2, m: 2, r: 4, q: 4, s: 4, t: 2, v: 1, u: 3, z: 0}, + data = []; + if (is(pathString, "array") && is(pathString[0], "array")) { // rough assumption + data = Snap.path.clone(pathString); + } + if (!data.length) { + Str(pathString).replace(pathCommand, function (a, b, c) { + var params = [], + name = b.toLowerCase(); + c.replace(pathValues, function (a, b) { + b && params.push(+b); + }); + if (name == "m" && params.length > 2) { + data.push([b].concat(params.splice(0, 2))); + name = "l"; + b = b == "m" ? "l" : "L"; + } + if (name == "o" && params.length == 1) { + data.push([b, params[0]]); + } + if (name == "r") { + data.push([b].concat(params)); + } else while (params.length >= paramCounts[name]) { + data.push([b].concat(params.splice(0, paramCounts[name]))); + if (!paramCounts[name]) { + break; + } + } + }); + } + data.toString = Snap.path.toString; + pth.arr = Snap.path.clone(data); + return data; +}; +/*\ + * Snap.parseTransformString + [ method ] + ** + * Utility method + ** + * Parses given transform string into an array of transformations + - TString (string|array) transform string or array of transformations (in the last case it is returned straight away) + = (array) array of transformations +\*/ +var parseTransformString = Snap.parseTransformString = function (TString) { + if (!TString) { + return null; + } + var paramCounts = {r: 3, s: 4, t: 2, m: 6}, + data = []; + if (is(TString, "array") && is(TString[0], "array")) { // rough assumption + data = Snap.path.clone(TString); + } + if (!data.length) { + Str(TString).replace(tCommand, function (a, b, c) { + var params = [], + name = b.toLowerCase(); + c.replace(pathValues, function (a, b) { + b && params.push(+b); + }); + data.push([b].concat(params)); + }); + } + data.toString = Snap.path.toString; + return data; +}; +function svgTransform2string(tstr) { + var res = []; + tstr = tstr.replace(/(?:^|\s)(\w+)\(([^)]+)\)/g, function (all, name, params) { + params = params.split(/\s*,\s*|\s+/); + if (name == "rotate" && params.length == 1) { + params.push(0, 0); + } + if (name == "scale") { + if (params.length > 2) { + params = params.slice(0, 2); + } else if (params.length == 2) { + params.push(0, 0); + } + if (params.length == 1) { + params.push(params[0], 0, 0); + } + } + if (name == "skewX") { + res.push(["m", 1, 0, math.tan(rad(params[0])), 1, 0, 0]); + } else if (name == "skewY") { + res.push(["m", 1, math.tan(rad(params[0])), 0, 1, 0, 0]); + } else { + res.push([name.charAt(0)].concat(params)); + } + return all; + }); + return res; +} +Snap._.svgTransform2string = svgTransform2string; +Snap._.rgTransform = /^[a-z][\s]*-?\.?\d/i; +function transform2matrix(tstr, bbox) { + var tdata = parseTransformString(tstr), + m = new Snap.Matrix; + if (tdata) { + for (var i = 0, ii = tdata.length; i < ii; i++) { + var t = tdata[i], + tlen = t.length, + command = Str(t[0]).toLowerCase(), + absolute = t[0] != command, + inver = absolute ? m.invert() : 0, + x1, + y1, + x2, + y2, + bb; + if (command == "t" && tlen == 2){ + m.translate(t[1], 0); + } else if (command == "t" && tlen == 3) { + if (absolute) { + x1 = inver.x(0, 0); + y1 = inver.y(0, 0); + x2 = inver.x(t[1], t[2]); + y2 = inver.y(t[1], t[2]); + m.translate(x2 - x1, y2 - y1); + } else { + m.translate(t[1], t[2]); + } + } else if (command == "r") { + if (tlen == 2) { + bb = bb || bbox; + m.rotate(t[1], bb.x + bb.width / 2, bb.y + bb.height / 2); + } else if (tlen == 4) { + if (absolute) { + x2 = inver.x(t[2], t[3]); + y2 = inver.y(t[2], t[3]); + m.rotate(t[1], x2, y2); + } else { + m.rotate(t[1], t[2], t[3]); + } + } + } else if (command == "s") { + if (tlen == 2 || tlen == 3) { + bb = bb || bbox; + m.scale(t[1], t[tlen - 1], bb.x + bb.width / 2, bb.y + bb.height / 2); + } else if (tlen == 4) { + if (absolute) { + x2 = inver.x(t[2], t[3]); + y2 = inver.y(t[2], t[3]); + m.scale(t[1], t[1], x2, y2); + } else { + m.scale(t[1], t[1], t[2], t[3]); + } + } else if (tlen == 5) { + if (absolute) { + x2 = inver.x(t[3], t[4]); + y2 = inver.y(t[3], t[4]); + m.scale(t[1], t[2], x2, y2); + } else { + m.scale(t[1], t[2], t[3], t[4]); + } + } + } else if (command == "m" && tlen == 7) { + m.add(t[1], t[2], t[3], t[4], t[5], t[6]); + } + } + } + return m; +} +Snap._.transform2matrix = transform2matrix; +Snap._unit2px = unit2px; +var contains = glob.doc.contains || glob.doc.compareDocumentPosition ? + function (a, b) { + var adown = a.nodeType == 9 ? a.documentElement : a, + bup = b && b.parentNode; + return a == bup || !!(bup && bup.nodeType == 1 && ( + adown.contains ? + adown.contains(bup) : + a.compareDocumentPosition && a.compareDocumentPosition(bup) & 16 + )); + } : + function (a, b) { + if (b) { + while (b) { + b = b.parentNode; + if (b == a) { + return true; + } + } + } + return false; + }; +function getSomeDefs(el) { + var p = (el.node.ownerSVGElement && wrap(el.node.ownerSVGElement)) || + (el.node.parentNode && wrap(el.node.parentNode)) || + Snap.select("svg") || + Snap(0, 0), + pdefs = p.select("defs"), + defs = pdefs == null ? false : pdefs.node; + if (!defs) { + defs = make("defs", p.node).node; + } + return defs; +} +function getSomeSVG(el) { + return el.node.ownerSVGElement && wrap(el.node.ownerSVGElement) || Snap.select("svg"); +} +Snap._.getSomeDefs = getSomeDefs; +Snap._.getSomeSVG = getSomeSVG; +function unit2px(el, name, value) { + var svg = getSomeSVG(el).node, + out = {}, + mgr = svg.querySelector(".svg---mgr"); + if (!mgr) { + mgr = $("rect"); + $(mgr, {x: -9e9, y: -9e9, width: 10, height: 10, "class": "svg---mgr", fill: "none"}); + svg.appendChild(mgr); + } + function getW(val) { + if (val == null) { + return E; + } + if (val == +val) { + return val; + } + $(mgr, {width: val}); + try { + return mgr.getBBox().width; + } catch (e) { + return 0; + } + } + function getH(val) { + if (val == null) { + return E; + } + if (val == +val) { + return val; + } + $(mgr, {height: val}); + try { + return mgr.getBBox().height; + } catch (e) { + return 0; + } + } + function set(nam, f) { + if (name == null) { + out[nam] = f(el.attr(nam) || 0); + } else if (nam == name) { + out = f(value == null ? el.attr(nam) || 0 : value); + } + } + switch (el.type) { + case "rect": + set("rx", getW); + set("ry", getH); + case "image": + set("width", getW); + set("height", getH); + case "text": + set("x", getW); + set("y", getH); + break; + case "circle": + set("cx", getW); + set("cy", getH); + set("r", getW); + break; + case "ellipse": + set("cx", getW); + set("cy", getH); + set("rx", getW); + set("ry", getH); + break; + case "line": + set("x1", getW); + set("x2", getW); + set("y1", getH); + set("y2", getH); + break; + case "marker": + set("refX", getW); + set("markerWidth", getW); + set("refY", getH); + set("markerHeight", getH); + break; + case "radialGradient": + set("fx", getW); + set("fy", getH); + break; + case "tspan": + set("dx", getW); + set("dy", getH); + break; + default: + set(name, getW); + } + svg.removeChild(mgr); + return out; +} +/*\ + * Snap.select + [ method ] + ** + * Wraps a DOM element specified by CSS selector as @Element + - query (string) CSS selector of the element + = (Element) the current element +\*/ +Snap.select = function (query) { + query = Str(query).replace(/([^\\]):/g, "$1\\:"); + return wrap(glob.doc.querySelector(query)); +}; +/*\ + * Snap.selectAll + [ method ] + ** + * Wraps DOM elements specified by CSS selector as set or array of @Element + - query (string) CSS selector of the element + = (Element) the current element +\*/ +Snap.selectAll = function (query) { + var nodelist = glob.doc.querySelectorAll(query), + set = (Snap.set || Array)(); + for (var i = 0; i < nodelist.length; i++) { + set.push(wrap(nodelist[i])); + } + return set; +}; + +function add2group(list) { + if (!is(list, "array")) { + list = Array.prototype.slice.call(arguments, 0); + } + var i = 0, + j = 0, + node = this.node; + while (this[i]) delete this[i++]; + for (i = 0; i < list.length; i++) { + if (list[i].type == "set") { + list[i].forEach(function (el) { + node.appendChild(el.node); + }); + } else { + node.appendChild(list[i].node); + } + } + var children = node.childNodes; + for (i = 0; i < children.length; i++) { + this[j++] = wrap(children[i]); + } + return this; +} +// Hub garbage collector every 10s +setInterval(function () { + for (var key in hub) if (hub[has](key)) { + var el = hub[key], + node = el.node; + if (el.type != "svg" && !node.ownerSVGElement || el.type == "svg" && (!node.parentNode || "ownerSVGElement" in node.parentNode && !node.ownerSVGElement)) { + delete hub[key]; + } + } +}, 1e4); +function Element(el) { + if (el.snap in hub) { + return hub[el.snap]; + } + var svg; + try { + svg = el.ownerSVGElement; + } catch(e) {} + /*\ + * Element.node + [ property (object) ] + ** + * Gives you a reference to the DOM object, so you can assign event handlers or just mess around. + > Usage + | // draw a circle at coordinate 10,10 with radius of 10 + | var c = paper.circle(10, 10, 10); + | c.node.onclick = function () { + | c.attr("fill", "red"); + | }; + \*/ + this.node = el; + if (svg) { + this.paper = new Paper(svg); + } + /*\ + * Element.type + [ property (string) ] + ** + * SVG tag name of the given element. + \*/ + this.type = el.tagName || el.nodeName; + var id = this.id = ID(this); + this.anims = {}; + this._ = { + transform: [] + }; + el.snap = id; + hub[id] = this; + if (this.type == "g") { + this.add = add2group; + } + if (this.type in {g: 1, mask: 1, pattern: 1, symbol: 1}) { + for (var method in Paper.prototype) if (Paper.prototype[has](method)) { + this[method] = Paper.prototype[method]; + } + } +} + /*\ + * Element.attr + [ method ] + ** + * Gets or sets given attributes of the element. + ** + - params (object) contains key-value pairs of attributes you want to set + * or + - param (string) name of the attribute + = (Element) the current element + * or + = (string) value of attribute + > Usage + | el.attr({ + | fill: "#fc0", + | stroke: "#000", + | strokeWidth: 2, // CamelCase... + | "fill-opacity": 0.5, // or dash-separated names + | width: "*=2" // prefixed values + | }); + | console.log(el.attr("fill")); // #fc0 + * Prefixed values in format `"+=10"` supported. All four operations + * (`+`, `-`, `*` and `/`) could be used. Optionally you can use units for `+` + * and `-`: `"+=2em"`. + \*/ + Element.prototype.attr = function (params, value) { + var el = this, + node = el.node; + if (!params) { + if (node.nodeType != 1) { + return { + text: node.nodeValue + }; + } + var attr = node.attributes, + out = {}; + for (var i = 0, ii = attr.length; i < ii; i++) { + out[attr[i].nodeName] = attr[i].nodeValue; + } + return out; + } + if (is(params, "string")) { + if (arguments.length > 1) { + var json = {}; + json[params] = value; + params = json; + } else { + return eve("snap.util.getattr." + params, el).firstDefined(); + } + } + for (var att in params) { + if (params[has](att)) { + eve("snap.util.attr." + att, el, params[att]); + } + } + return el; + }; +/*\ + * Snap.parse + [ method ] + ** + * Parses SVG fragment and converts it into a @Fragment + ** + - svg (string) SVG string + = (Fragment) the @Fragment +\*/ +Snap.parse = function (svg) { + var f = glob.doc.createDocumentFragment(), + full = true, + div = glob.doc.createElement("div"); + svg = Str(svg); + if (!svg.match(/^\s*<\s*svg(?:\s|>)/)) { + svg = "<svg>" + svg + "</svg>"; + full = false; + } + div.innerHTML = svg; + svg = div.getElementsByTagName("svg")[0]; + if (svg) { + if (full) { + f = svg; + } else { + while (svg.firstChild) { + f.appendChild(svg.firstChild); + } + } + } + return new Fragment(f); +}; +function Fragment(frag) { + this.node = frag; +} +/*\ + * Snap.fragment + [ method ] + ** + * Creates a DOM fragment from a given list of elements or strings + ** + - varargs (…) SVG string + = (Fragment) the @Fragment +\*/ +Snap.fragment = function () { + var args = Array.prototype.slice.call(arguments, 0), + f = glob.doc.createDocumentFragment(); + for (var i = 0, ii = args.length; i < ii; i++) { + var item = args[i]; + if (item.node && item.node.nodeType) { + f.appendChild(item.node); + } + if (item.nodeType) { + f.appendChild(item); + } + if (typeof item == "string") { + f.appendChild(Snap.parse(item).node); + } + } + return new Fragment(f); +}; + +function make(name, parent) { + var res = $(name); + parent.appendChild(res); + var el = wrap(res); + return el; +} +function Paper(w, h) { + var res, + desc, + defs, + proto = Paper.prototype; + if (w && w.tagName == "svg") { + if (w.snap in hub) { + return hub[w.snap]; + } + var doc = w.ownerDocument; + res = new Element(w); + desc = w.getElementsByTagName("desc")[0]; + defs = w.getElementsByTagName("defs")[0]; + if (!desc) { + desc = $("desc"); + desc.appendChild(doc.createTextNode("Created with Snap")); + res.node.appendChild(desc); + } + if (!defs) { + defs = $("defs"); + res.node.appendChild(defs); + } + res.defs = defs; + for (var key in proto) if (proto[has](key)) { + res[key] = proto[key]; + } + res.paper = res.root = res; + } else { + res = make("svg", glob.doc.body); + $(res.node, { + height: h, + version: 1.1, + width: w, + xmlns: xmlns + }); + } + return res; +} +function wrap(dom) { + if (!dom) { + return dom; + } + if (dom instanceof Element || dom instanceof Fragment) { + return dom; + } + if (dom.tagName && dom.tagName.toLowerCase() == "svg") { + return new Paper(dom); + } + if (dom.tagName && dom.tagName.toLowerCase() == "object" && dom.type == "image/svg+xml") { + return new Paper(dom.contentDocument.getElementsByTagName("svg")[0]); + } + return new Element(dom); +} + +Snap._.make = make; +Snap._.wrap = wrap; +/*\ + * Paper.el + [ method ] + ** + * Creates an element on paper with a given name and no attributes + ** + - name (string) tag name + - attr (object) attributes + = (Element) the current element + > Usage + | var c = paper.circle(10, 10, 10); // is the same as... + | var c = paper.el("circle").attr({ + | cx: 10, + | cy: 10, + | r: 10 + | }); + | // and the same as + | var c = paper.el("circle", { + | cx: 10, + | cy: 10, + | r: 10 + | }); +\*/ +Paper.prototype.el = function (name, attr) { + var el = make(name, this.node); + attr && el.attr(attr); + return el; +}; +/*\ + * Element.children + [ method ] + ** + * Returns array of all the children of the element. + = (array) array of Elements +\*/ +Element.prototype.children = function () { + var out = [], + ch = this.node.childNodes; + for (var i = 0, ii = ch.length; i < ii; i++) { + out[i] = Snap(ch[i]); + } + return out; +}; +function jsonFiller(root, o) { + for (var i = 0, ii = root.length; i < ii; i++) { + var item = { + type: root[i].type, + attr: root[i].attr() + }, + children = root[i].children(); + o.push(item); + if (children.length) { + jsonFiller(children, item.childNodes = []); + } + } +} +/*\ + * Element.toJSON + [ method ] + ** + * Returns object representation of the given element and all its children. + = (object) in format + o { + o type (string) this.type, + o attr (object) attributes map, + o childNodes (array) optional array of children in the same format + o } +\*/ +Element.prototype.toJSON = function () { + var out = []; + jsonFiller([this], out); + return out[0]; +}; +// default +eve.on("snap.util.getattr", function () { + var att = eve.nt(); + att = att.substring(att.lastIndexOf(".") + 1); + var css = att.replace(/[A-Z]/g, function (letter) { + return "-" + letter.toLowerCase(); + }); + if (cssAttr[has](css)) { + return this.node.ownerDocument.defaultView.getComputedStyle(this.node, null).getPropertyValue(css); + } else { + return $(this.node, att); + } +}); +var cssAttr = { + "alignment-baseline": 0, + "baseline-shift": 0, + "clip": 0, + "clip-path": 0, + "clip-rule": 0, + "color": 0, + "color-interpolation": 0, + "color-interpolation-filters": 0, + "color-profile": 0, + "color-rendering": 0, + "cursor": 0, + "direction": 0, + "display": 0, + "dominant-baseline": 0, + "enable-background": 0, + "fill": 0, + "fill-opacity": 0, + "fill-rule": 0, + "filter": 0, + "flood-color": 0, + "flood-opacity": 0, + "font": 0, + "font-family": 0, + "font-size": 0, + "font-size-adjust": 0, + "font-stretch": 0, + "font-style": 0, + "font-variant": 0, + "font-weight": 0, + "glyph-orientation-horizontal": 0, + "glyph-orientation-vertical": 0, + "image-rendering": 0, + "kerning": 0, + "letter-spacing": 0, + "lighting-color": 0, + "marker": 0, + "marker-end": 0, + "marker-mid": 0, + "marker-start": 0, + "mask": 0, + "opacity": 0, + "overflow": 0, + "pointer-events": 0, + "shape-rendering": 0, + "stop-color": 0, + "stop-opacity": 0, + "stroke": 0, + "stroke-dasharray": 0, + "stroke-dashoffset": 0, + "stroke-linecap": 0, + "stroke-linejoin": 0, + "stroke-miterlimit": 0, + "stroke-opacity": 0, + "stroke-width": 0, + "text-anchor": 0, + "text-decoration": 0, + "text-rendering": 0, + "unicode-bidi": 0, + "visibility": 0, + "word-spacing": 0, + "writing-mode": 0 +}; + +eve.on("snap.util.attr", function (value) { + var att = eve.nt(), + attr = {}; + att = att.substring(att.lastIndexOf(".") + 1); + attr[att] = value; + var style = att.replace(/-(\w)/gi, function (all, letter) { + return letter.toUpperCase(); + }), + css = att.replace(/[A-Z]/g, function (letter) { + return "-" + letter.toLowerCase(); + }); + if (cssAttr[has](css)) { + this.node.style[style] = value == null ? E : value; + } else { + $(this.node, attr); + } +}); +(function (proto) {}(Paper.prototype)); + +// simple ajax +/*\ + * Snap.ajax + [ method ] + ** + * Simple implementation of Ajax + ** + - url (string) URL + - postData (object|string) data for post request + - callback (function) callback + - scope (object) #optional scope of callback + * or + - url (string) URL + - callback (function) callback + - scope (object) #optional scope of callback + = (XMLHttpRequest) the XMLHttpRequest object, just in case +\*/ +Snap.ajax = function (url, postData, callback, scope){ + var req = new XMLHttpRequest, + id = ID(); + if (req) { + if (is(postData, "function")) { + scope = callback; + callback = postData; + postData = null; + } else if (is(postData, "object")) { + var pd = []; + for (var key in postData) if (postData.hasOwnProperty(key)) { + pd.push(encodeURIComponent(key) + "=" + encodeURIComponent(postData[key])); + } + postData = pd.join("&"); + } + req.open((postData ? "POST" : "GET"), url, true); + if (postData) { + req.setRequestHeader("X-Requested-With", "XMLHttpRequest"); + req.setRequestHeader("Content-type", "application/x-www-form-urlencoded"); + } + if (callback) { + eve.once("snap.ajax." + id + ".0", callback); + eve.once("snap.ajax." + id + ".200", callback); + eve.once("snap.ajax." + id + ".304", callback); + } + req.onreadystatechange = function() { + if (req.readyState != 4) return; + eve("snap.ajax." + id + "." + req.status, scope, req); + }; + if (req.readyState == 4) { + return req; + } + req.send(postData); + return req; + } +}; +/*\ + * Snap.load + [ method ] + ** + * Loads external SVG file as a @Fragment (see @Snap.ajax for more advanced AJAX) + ** + - url (string) URL + - callback (function) callback + - scope (object) #optional scope of callback +\*/ +Snap.load = function (url, callback, scope) { + Snap.ajax(url, function (req) { + var f = Snap.parse(req.responseText); + scope ? callback.call(scope, f) : callback(f); + }); +}; +var getOffset = function (elem) { + var box = elem.getBoundingClientRect(), + doc = elem.ownerDocument, + body = doc.body, + docElem = doc.documentElement, + clientTop = docElem.clientTop || body.clientTop || 0, clientLeft = docElem.clientLeft || body.clientLeft || 0, + top = box.top + (g.win.pageYOffset || docElem.scrollTop || body.scrollTop ) - clientTop, + left = box.left + (g.win.pageXOffset || docElem.scrollLeft || body.scrollLeft) - clientLeft; + return { + y: top, + x: left + }; +}; +/*\ + * Snap.getElementByPoint + [ method ] + ** + * Returns you topmost element under given point. + ** + = (object) Snap element object + - x (number) x coordinate from the top left corner of the window + - y (number) y coordinate from the top left corner of the window + > Usage + | Snap.getElementByPoint(mouseX, mouseY).attr({stroke: "#f00"}); +\*/ +Snap.getElementByPoint = function (x, y) { + var paper = this, + svg = paper.canvas, + target = glob.doc.elementFromPoint(x, y); + if (glob.win.opera && target.tagName == "svg") { + var so = getOffset(target), + sr = target.createSVGRect(); + sr.x = x - so.x; + sr.y = y - so.y; + sr.width = sr.height = 1; + var hits = target.getIntersectionList(sr, null); + if (hits.length) { + target = hits[hits.length - 1]; + } + } + if (!target) { + return null; + } + return wrap(target); +}; +/*\ + * Snap.plugin + [ method ] + ** + * Let you write plugins. You pass in a function with five arguments, like this: + | Snap.plugin(function (Snap, Element, Paper, global, Fragment) { + | Snap.newmethod = function () {}; + | Element.prototype.newmethod = function () {}; + | Paper.prototype.newmethod = function () {}; + | }); + * Inside the function you have access to all main objects (and their + * prototypes). This allow you to extend anything you want. + ** + - f (function) your plugin body +\*/ +Snap.plugin = function (f) { + f(Snap, Element, Paper, glob, Fragment); +}; +glob.win.Snap = Snap; +return Snap; +}(window || this)); + +// Copyright (c) 2013 Adobe Systems Incorporated. All rights reserved. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. +Snap.plugin(function (Snap, Element, Paper, glob, Fragment) { + var elproto = Element.prototype, + is = Snap.is, + Str = String, + unit2px = Snap._unit2px, + $ = Snap._.$, + make = Snap._.make, + getSomeDefs = Snap._.getSomeDefs, + has = "hasOwnProperty", + wrap = Snap._.wrap; + /*\ + * Element.getBBox + [ method ] + ** + * Returns the bounding box descriptor for the given element + ** + = (object) bounding box descriptor: + o { + o cx: (number) x of the center, + o cy: (number) x of the center, + o h: (number) height, + o height: (number) height, + o path: (string) path command for the box, + o r0: (number) radius of a circle that fully encloses the box, + o r1: (number) radius of the smallest circle that can be enclosed, + o r2: (number) radius of the largest circle that can be enclosed, + o vb: (string) box as a viewbox command, + o w: (number) width, + o width: (number) width, + o x2: (number) x of the right side, + o x: (number) x of the left side, + o y2: (number) y of the bottom edge, + o y: (number) y of the top edge + o } + \*/ + elproto.getBBox = function (isWithoutTransform) { + if (!Snap.Matrix || !Snap.path) { + return this.node.getBBox(); + } + var el = this, + m = new Snap.Matrix; + if (el.removed) { + return Snap._.box(); + } + while (el.type == "use") { + if (!isWithoutTransform) { + m = m.add(el.transform().localMatrix.translate(el.attr("x") || 0, el.attr("y") || 0)); + } + if (el.original) { + el = el.original; + } else { + var href = el.attr("xlink:href"); + el = el.original = el.node.ownerDocument.getElementById(href.substring(href.indexOf("#") + 1)); + } + } + var _ = el._, + pathfinder = Snap.path.get[el.type] || Snap.path.get.deflt; + try { + if (isWithoutTransform) { + _.bboxwt = pathfinder ? Snap.path.getBBox(el.realPath = pathfinder(el)) : Snap._.box(el.node.getBBox()); + return Snap._.box(_.bboxwt); + } else { + el.realPath = pathfinder(el); + el.matrix = el.transform().localMatrix; + _.bbox = Snap.path.getBBox(Snap.path.map(el.realPath, m.add(el.matrix))); + return Snap._.box(_.bbox); + } + } catch (e) { + // Firefox doesn’t give you bbox of hidden element + return Snap._.box(); + } + }; + var propString = function () { + return this.string; + }; + function extractTransform(el, tstr) { + if (tstr == null) { + var doReturn = true; + if (el.type == "linearGradient" || el.type == "radialGradient") { + tstr = el.node.getAttribute("gradientTransform"); + } else if (el.type == "pattern") { + tstr = el.node.getAttribute("patternTransform"); + } else { + tstr = el.node.getAttribute("transform"); + } + if (!tstr) { + return new Snap.Matrix; + } + tstr = Snap._.svgTransform2string(tstr); + } else { + if (!Snap._.rgTransform.test(tstr)) { + tstr = Snap._.svgTransform2string(tstr); + } else { + tstr = Str(tstr).replace(/\.{3}|\u2026/g, el._.transform || ""); + } + if (is(tstr, "array")) { + tstr = Snap.path ? Snap.path.toString.call(tstr) : Str(tstr); + } + el._.transform = tstr; + } + var m = Snap._.transform2matrix(tstr, el.getBBox(1)); + if (doReturn) { + return m; + } else { + el.matrix = m; + } + } + /*\ + * Element.transform + [ method ] + ** + * Gets or sets transformation of the element + ** + - tstr (string) transform string in Snap or SVG format + = (Element) the current element + * or + = (object) transformation descriptor: + o { + o string (string) transform string, + o globalMatrix (Matrix) matrix of all transformations applied to element or its parents, + o localMatrix (Matrix) matrix of transformations applied only to the element, + o diffMatrix (Matrix) matrix of difference between global and local transformations, + o global (string) global transformation as string, + o local (string) local transformation as string, + o toString (function) returns `string` property + o } + \*/ + elproto.transform = function (tstr) { + var _ = this._; + if (tstr == null) { + var papa = this, + global = new Snap.Matrix(this.node.getCTM()), + local = extractTransform(this), + ms = [local], + m = new Snap.Matrix, + i, + localString = local.toTransformString(), + string = Str(local) == Str(this.matrix) ? + Str(_.transform) : localString; + while (papa.type != "svg" && (papa = papa.parent())) { + ms.push(extractTransform(papa)); + } + i = ms.length; + while (i--) { + m.add(ms[i]); + } + return { + string: string, + globalMatrix: global, + totalMatrix: m, + localMatrix: local, + diffMatrix: global.clone().add(local.invert()), + global: global.toTransformString(), + total: m.toTransformString(), + local: localString, + toString: propString + }; + } + if (tstr instanceof Snap.Matrix) { + this.matrix = tstr; + this._.transform = tstr.toTransformString(); + } else { + extractTransform(this, tstr); + } + + if (this.node) { + if (this.type == "linearGradient" || this.type == "radialGradient") { + $(this.node, {gradientTransform: this.matrix}); + } else if (this.type == "pattern") { + $(this.node, {patternTransform: this.matrix}); + } else { + $(this.node, {transform: this.matrix}); + } + } + + return this; + }; + /*\ + * Element.parent + [ method ] + ** + * Returns the element's parent + ** + = (Element) the parent element + \*/ + elproto.parent = function () { + return wrap(this.node.parentNode); + }; + /*\ + * Element.append + [ method ] + ** + * Appends the given element to current one + ** + - el (Element|Set) element to append + = (Element) the parent element + \*/ + /*\ + * Element.add + [ method ] + ** + * See @Element.append + \*/ + elproto.append = elproto.add = function (el) { + if (el) { + if (el.type == "set") { + var it = this; + el.forEach(function (el) { + it.add(el); + }); + return this; + } + el = wrap(el); + this.node.appendChild(el.node); + el.paper = this.paper; + } + return this; + }; + /*\ + * Element.appendTo + [ method ] + ** + * Appends the current element to the given one + ** + - el (Element) parent element to append to + = (Element) the child element + \*/ + elproto.appendTo = function (el) { + if (el) { + el = wrap(el); + el.append(this); + } + return this; + }; + /*\ + * Element.prepend + [ method ] + ** + * Prepends the given element to the current one + ** + - el (Element) element to prepend + = (Element) the parent element + \*/ + elproto.prepend = function (el) { + if (el) { + if (el.type == "set") { + var it = this, + first; + el.forEach(function (el) { + if (first) { + first.after(el); + } else { + it.prepend(el); + } + first = el; + }); + return this; + } + el = wrap(el); + var parent = el.parent(); + this.node.insertBefore(el.node, this.node.firstChild); + this.add && this.add(); + el.paper = this.paper; + this.parent() && this.parent().add(); + parent && parent.add(); + } + return this; + }; + /*\ + * Element.prependTo + [ method ] + ** + * Prepends the current element to the given one + ** + - el (Element) parent element to prepend to + = (Element) the child element + \*/ + elproto.prependTo = function (el) { + el = wrap(el); + el.prepend(this); + return this; + }; + /*\ + * Element.before + [ method ] + ** + * Inserts given element before the current one + ** + - el (Element) element to insert + = (Element) the parent element + \*/ + elproto.before = function (el) { + if (el.type == "set") { + var it = this; + el.forEach(function (el) { + var parent = el.parent(); + it.node.parentNode.insertBefore(el.node, it.node); + parent && parent.add(); + }); + this.parent().add(); + return this; + } + el = wrap(el); + var parent = el.parent(); + this.node.parentNode.insertBefore(el.node, this.node); + this.parent() && this.parent().add(); + parent && parent.add(); + el.paper = this.paper; + return this; + }; + /*\ + * Element.after + [ method ] + ** + * Inserts given element after the current one + ** + - el (Element) element to insert + = (Element) the parent element + \*/ + elproto.after = function (el) { + el = wrap(el); + var parent = el.parent(); + if (this.node.nextSibling) { + this.node.parentNode.insertBefore(el.node, this.node.nextSibling); + } else { + this.node.parentNode.appendChild(el.node); + } + this.parent() && this.parent().add(); + parent && parent.add(); + el.paper = this.paper; + return this; + }; + /*\ + * Element.insertBefore + [ method ] + ** + * Inserts the element after the given one + ** + - el (Element) element next to whom insert to + = (Element) the parent element + \*/ + elproto.insertBefore = function (el) { + el = wrap(el); + var parent = this.parent(); + el.node.parentNode.insertBefore(this.node, el.node); + this.paper = el.paper; + parent && parent.add(); + el.parent() && el.parent().add(); + return this; + }; + /*\ + * Element.insertAfter + [ method ] + ** + * Inserts the element after the given one + ** + - el (Element) element next to whom insert to + = (Element) the parent element + \*/ + elproto.insertAfter = function (el) { + el = wrap(el); + var parent = this.parent(); + el.node.parentNode.insertBefore(this.node, el.node.nextSibling); + this.paper = el.paper; + parent && parent.add(); + el.parent() && el.parent().add(); + return this; + }; + /*\ + * Element.remove + [ method ] + ** + * Removes element from the DOM + = (Element) the detached element + \*/ + elproto.remove = function () { + var parent = this.parent(); + this.node.parentNode && this.node.parentNode.removeChild(this.node); + delete this.paper; + this.removed = true; + parent && parent.add(); + return this; + }; + /*\ + * Element.select + [ method ] + ** + * Gathers the nested @Element matching the given set of CSS selectors + ** + - query (string) CSS selector + = (Element) result of query selection + \*/ + elproto.select = function (query) { + return wrap(this.node.querySelector(query)); + }; + /*\ + * Element.selectAll + [ method ] + ** + * Gathers nested @Element objects matching the given set of CSS selectors + ** + - query (string) CSS selector + = (Set|array) result of query selection + \*/ + elproto.selectAll = function (query) { + var nodelist = this.node.querySelectorAll(query), + set = (Snap.set || Array)(); + for (var i = 0; i < nodelist.length; i++) { + set.push(wrap(nodelist[i])); + } + return set; + }; + /*\ + * Element.asPX + [ method ] + ** + * Returns given attribute of the element as a `px` value (not %, em, etc.) + ** + - attr (string) attribute name + - value (string) #optional attribute value + = (Element) result of query selection + \*/ + elproto.asPX = function (attr, value) { + if (value == null) { + value = this.attr(attr); + } + return +unit2px(this, attr, value); + }; + // SIERRA Element.use(): I suggest adding a note about how to access the original element the returned <use> instantiates. It's a part of SVG with which ordinary web developers may be least familiar. + /*\ + * Element.use + [ method ] + ** + * Creates a `<use>` element linked to the current element + ** + = (Element) the `<use>` element + \*/ + elproto.use = function () { + var use, + id = this.node.id; + if (!id) { + id = this.id; + $(this.node, { + id: id + }); + } + if (this.type == "linearGradient" || this.type == "radialGradient" || + this.type == "pattern") { + use = make(this.type, this.node.parentNode); + } else { + use = make("use", this.node.parentNode); + } + $(use.node, { + "xlink:href": "#" + id + }); + use.original = this; + return use; + }; + function fixids(el) { + var els = el.selectAll("*"), + it, + url = /^\s*url\(("|'|)(.*)\1\)\s*$/, + ids = [], + uses = {}; + function urltest(it, name) { + var val = $(it.node, name); + val = val && val.match(url); + val = val && val[2]; + if (val && val.charAt() == "#") { + val = val.substring(1); + } else { + return; + } + if (val) { + uses[val] = (uses[val] || []).concat(function (id) { + var attr = {}; + attr[name] = URL(id); + $(it.node, attr); + }); + } + } + function linktest(it) { + var val = $(it.node, "xlink:href"); + if (val && val.charAt() == "#") { + val = val.substring(1); + } else { + return; + } + if (val) { + uses[val] = (uses[val] || []).concat(function (id) { + it.attr("xlink:href", "#" + id); + }); + } + } + for (var i = 0, ii = els.length; i < ii; i++) { + it = els[i]; + urltest(it, "fill"); + urltest(it, "stroke"); + urltest(it, "filter"); + urltest(it, "mask"); + urltest(it, "clip-path"); + linktest(it); + var oldid = $(it.node, "id"); + if (oldid) { + $(it.node, {id: it.id}); + ids.push({ + old: oldid, + id: it.id + }); + } + } + for (i = 0, ii = ids.length; i < ii; i++) { + var fs = uses[ids[i].old]; + if (fs) { + for (var j = 0, jj = fs.length; j < jj; j++) { + fs[j](ids[i].id); + } + } + } + } + /*\ + * Element.clone + [ method ] + ** + * Creates a clone of the element and inserts it after the element + ** + = (Element) the clone + \*/ + elproto.clone = function () { + var clone = wrap(this.node.cloneNode(true)); + if ($(clone.node, "id")) { + $(clone.node, {id: clone.id}); + } + fixids(clone); + clone.insertAfter(this); + return clone; + }; + /*\ + * Element.toDefs + [ method ] + ** + * Moves element to the shared `<defs>` area + ** + = (Element) the element + \*/ + elproto.toDefs = function () { + var defs = getSomeDefs(this); + defs.appendChild(this.node); + return this; + }; + /*\ + * Element.toPattern + [ method ] + ** + * Creates a `<pattern>` element from the current element + ** + * To create a pattern you have to specify the pattern rect: + - x (string|number) + - y (string|number) + - width (string|number) + - height (string|number) + = (Element) the `<pattern>` element + * You can use pattern later on as an argument for `fill` attribute: + | var p = paper.path("M10-5-10,15M15,0,0,15M0-5-20,15").attr({ + | fill: "none", + | stroke: "#bada55", + | strokeWidth: 5 + | }).pattern(0, 0, 10, 10), + | c = paper.circle(200, 200, 100); + | c.attr({ + | fill: p + | }); + \*/ + elproto.pattern = elproto.toPattern = function (x, y, width, height) { + var p = make("pattern", getSomeDefs(this)); + if (x == null) { + x = this.getBBox(); + } + if (is(x, "object") && "x" in x) { + y = x.y; + width = x.width; + height = x.height; + x = x.x; + } + $(p.node, { + x: x, + y: y, + width: width, + height: height, + patternUnits: "userSpaceOnUse", + id: p.id, + viewBox: [x, y, width, height].join(" ") + }); + p.node.appendChild(this.node); + return p; + }; +// SIERRA Element.marker(): clarify what a reference point is. E.g., helps you offset the object from its edge such as when centering it over a path. +// SIERRA Element.marker(): I suggest the method should accept default reference point values. Perhaps centered with (refX = width/2) and (refY = height/2)? Also, couldn't it assume the element's current _width_ and _height_? And please specify what _x_ and _y_ mean: offsets? If so, from where? Couldn't they also be assigned default values? + /*\ + * Element.marker + [ method ] + ** + * Creates a `<marker>` element from the current element + ** + * To create a marker you have to specify the bounding rect and reference point: + - x (number) + - y (number) + - width (number) + - height (number) + - refX (number) + - refY (number) + = (Element) the `<marker>` element + * You can specify the marker later as an argument for `marker-start`, `marker-end`, `marker-mid`, and `marker` attributes. The `marker` attribute places the marker at every point along the path, and `marker-mid` places them at every point except the start and end. + \*/ + // TODO add usage for markers + elproto.marker = function (x, y, width, height, refX, refY) { + var p = make("marker", getSomeDefs(this)); + if (x == null) { + x = this.getBBox(); + } + if (is(x, "object") && "x" in x) { + y = x.y; + width = x.width; + height = x.height; + refX = x.refX || x.cx; + refY = x.refY || x.cy; + x = x.x; + } + $(p.node, { + viewBox: [x, y, width, height].join(" "), + markerWidth: width, + markerHeight: height, + orient: "auto", + refX: refX || 0, + refY: refY || 0, + id: p.id + }); + p.node.appendChild(this.node); + return p; + }; + // animation + function slice(from, to, f) { + return function (arr) { + var res = arr.slice(from, to); + if (res.length == 1) { + res = res[0]; + } + return f ? f(res) : res; + }; + } + var Animation = function (attr, ms, easing, callback) { + if (typeof easing == "function" && !easing.length) { + callback = easing; + easing = mina.linear; + } + this.attr = attr; + this.dur = ms; + easing && (this.easing = easing); + callback && (this.callback = callback); + }; + Snap._.Animation = Animation; + /*\ + * Snap.animation + [ method ] + ** + * Creates an animation object + ** + - attr (object) attributes of final destination + - duration (number) duration of the animation, in milliseconds + - easing (function) #optional one of easing functions of @mina or custom one + - callback (function) #optional callback function that fires when animation ends + = (object) animation object + \*/ + Snap.animation = function (attr, ms, easing, callback) { + return new Animation(attr, ms, easing, callback); + }; + /*\ + * Element.inAnim + [ method ] + ** + * Returns a set of animations that may be able to manipulate the current element + ** + = (object) in format: + o { + o anim (object) animation object, + o mina (object) @mina object, + o curStatus (number) 0..1 — status of the animation: 0 — just started, 1 — just finished, + o status (function) gets or sets the status of the animation, + o stop (function) stops the animation + o } + \*/ + elproto.inAnim = function () { + var el = this, + res = []; + for (var id in el.anims) if (el.anims[has](id)) { + (function (a) { + res.push({ + anim: new Animation(a._attrs, a.dur, a.easing, a._callback), + mina: a, + curStatus: a.status(), + status: function (val) { + return a.status(val); + }, + stop: function () { + a.stop(); + } + }); + }(el.anims[id])); + } + return res; + }; + /*\ + * Snap.animate + [ method ] + ** + * Runs generic animation of one number into another with a caring function + ** + - from (number|array) number or array of numbers + - to (number|array) number or array of numbers + - setter (function) caring function that accepts one number argument + - duration (number) duration, in milliseconds + - easing (function) #optional easing function from @mina or custom + - callback (function) #optional callback function to execute when animation ends + = (object) animation object in @mina format + o { + o id (string) animation id, consider it read-only, + o duration (function) gets or sets the duration of the animation, + o easing (function) easing, + o speed (function) gets or sets the speed of the animation, + o status (function) gets or sets the status of the animation, + o stop (function) stops the animation + o } + | var rect = Snap().rect(0, 0, 10, 10); + | Snap.animate(0, 10, function (val) { + | rect.attr({ + | x: val + | }); + | }, 1000); + | // in given context is equivalent to + | rect.animate({x: 10}, 1000); + \*/ + Snap.animate = function (from, to, setter, ms, easing, callback) { + if (typeof easing == "function" && !easing.length) { + callback = easing; + easing = mina.linear; + } + var now = mina.time(), + anim = mina(from, to, now, now + ms, mina.time, setter, easing); + callback && eve.once("mina.finish." + anim.id, callback); + return anim; + }; + /*\ + * Element.stop + [ method ] + ** + * Stops all the animations for the current element + ** + = (Element) the current element + \*/ + elproto.stop = function () { + var anims = this.inAnim(); + for (var i = 0, ii = anims.length; i < ii; i++) { + anims[i].stop(); + } + return this; + }; + /*\ + * Element.animate + [ method ] + ** + * Animates the given attributes of the element + ** + - attrs (object) key-value pairs of destination attributes + - duration (number) duration of the animation in milliseconds + - easing (function) #optional easing function from @mina or custom + - callback (function) #optional callback function that executes when the animation ends + = (Element) the current element + \*/ + elproto.animate = function (attrs, ms, easing, callback) { + if (typeof easing == "function" && !easing.length) { + callback = easing; + easing = mina.linear; + } + if (attrs instanceof Animation) { + callback = attrs.callback; + easing = attrs.easing; + ms = attrs.dur; + attrs = attrs.attr; + } + var fkeys = [], tkeys = [], keys = {}, from, to, f, eq, + el = this; + for (var key in attrs) if (attrs[has](key)) { + if (el.equal) { + eq = el.equal(key, Str(attrs[key])); + from = eq.from; + to = eq.to; + f = eq.f; + } else { + from = +el.attr(key); + to = +attrs[key]; + } + var len = is(from, "array") ? from.length : 1; + keys[key] = slice(fkeys.length, fkeys.length + len, f); + fkeys = fkeys.concat(from); + tkeys = tkeys.concat(to); + } + var now = mina.time(), + anim = mina(fkeys, tkeys, now, now + ms, mina.time, function (val) { + var attr = {}; + for (var key in keys) if (keys[has](key)) { + attr[key] = keys[key](val); + } + el.attr(attr); + }, easing); + el.anims[anim.id] = anim; + anim._attrs = attrs; + anim._callback = callback; + eve("snap.animcreated." + el.id, anim); + eve.once("mina.finish." + anim.id, function () { + delete el.anims[anim.id]; + callback && callback.call(el); + }); + eve.once("mina.stop." + anim.id, function () { + delete el.anims[anim.id]; + }); + return el; + }; + var eldata = {}; + /*\ + * Element.data + [ method ] + ** + * Adds or retrieves given value associated with given key. (Don’t confuse + * with `data-` attributes) + * + * See also @Element.removeData + - key (string) key to store data + - value (any) #optional value to store + = (object) @Element + * or, if value is not specified: + = (any) value + > Usage + | for (var i = 0, i < 5, i++) { + | paper.circle(10 + 15 * i, 10, 10) + | .attr({fill: "#000"}) + | .data("i", i) + | .click(function () { + | alert(this.data("i")); + | }); + | } + \*/ + elproto.data = function (key, value) { + var data = eldata[this.id] = eldata[this.id] || {}; + if (arguments.length == 0){ + eve("snap.data.get." + this.id, this, data, null); + return data; + } + if (arguments.length == 1) { + if (Snap.is(key, "object")) { + for (var i in key) if (key[has](i)) { + this.data(i, key[i]); + } + return this; + } + eve("snap.data.get." + this.id, this, data[key], key); + return data[key]; + } + data[key] = value; + eve("snap.data.set." + this.id, this, value, key); + return this; + }; + /*\ + * Element.removeData + [ method ] + ** + * Removes value associated with an element by given key. + * If key is not provided, removes all the data of the element. + - key (string) #optional key + = (object) @Element + \*/ + elproto.removeData = function (key) { + if (key == null) { + eldata[this.id] = {}; + } else { + eldata[this.id] && delete eldata[this.id][key]; + } + return this; + }; + /*\ + * Element.outerSVG + [ method ] + ** + * Returns SVG code for the element, equivalent to HTML's `outerHTML`. + * + * See also @Element.innerSVG + = (string) SVG code for the element + \*/ + /*\ + * Element.toString + [ method ] + ** + * See @Element.outerSVG + \*/ + elproto.outerSVG = elproto.toString = toString(1); + /*\ + * Element.innerSVG + [ method ] + ** + * Returns SVG code for the element's contents, equivalent to HTML's `innerHTML` + = (string) SVG code for the element + \*/ + elproto.innerSVG = toString(); + function toString(type) { + return function () { + var res = type ? "<" + this.type : "", + attr = this.node.attributes, + chld = this.node.childNodes; + if (type) { + for (var i = 0, ii = attr.length; i < ii; i++) { + res += " " + attr[i].name + '="' + + attr[i].value.replace(/"/g, '\\"') + '"'; + } + } + if (chld.length) { + type && (res += ">"); + for (i = 0, ii = chld.length; i < ii; i++) { + if (chld[i].nodeType == 3) { + res += chld[i].nodeValue; + } else if (chld[i].nodeType == 1) { + res += wrap(chld[i]).toString(); + } + } + type && (res += "</" + this.type + ">"); + } else { + type && (res += "/>"); + } + return res; + }; + } + elproto.toDataURL = function () { + if (window && window.btoa) { + var bb = this.getBBox(), + svg = Snap.format('<svg version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="{width}" height="{height}" viewBox="{x} {y} {width} {height}">{contents}</svg>', { + x: +bb.x.toFixed(3), + y: +bb.y.toFixed(3), + width: +bb.width.toFixed(3), + height: +bb.height.toFixed(3), + contents: this.outerSVG() + }); + return "data:image/svg+xml;base64," + btoa(unescape(encodeURIComponent(svg))); + } + }; + /*\ + * Fragment.select + [ method ] + ** + * See @Element.select + \*/ + Fragment.prototype.select = elproto.select; + /*\ + * Fragment.selectAll + [ method ] + ** + * See @Element.selectAll + \*/ + Fragment.prototype.selectAll = elproto.selectAll; +}); + +// Copyright (c) 2013 Adobe Systems Incorporated. All rights reserved. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. +Snap.plugin(function (Snap, Element, Paper, glob, Fragment) { + var objectToString = Object.prototype.toString, + Str = String, + math = Math, + E = ""; + function Matrix(a, b, c, d, e, f) { + if (b == null && objectToString.call(a) == "[object SVGMatrix]") { + this.a = a.a; + this.b = a.b; + this.c = a.c; + this.d = a.d; + this.e = a.e; + this.f = a.f; + return; + } + if (a != null) { + this.a = +a; + this.b = +b; + this.c = +c; + this.d = +d; + this.e = +e; + this.f = +f; + } else { + this.a = 1; + this.b = 0; + this.c = 0; + this.d = 1; + this.e = 0; + this.f = 0; + } + } + (function (matrixproto) { + /*\ + * Matrix.add + [ method ] + ** + * Adds the given matrix to existing one + - a (number) + - b (number) + - c (number) + - d (number) + - e (number) + - f (number) + * or + - matrix (object) @Matrix + \*/ + matrixproto.add = function (a, b, c, d, e, f) { + var out = [[], [], []], + m = [[this.a, this.c, this.e], [this.b, this.d, this.f], [0, 0, 1]], + matrix = [[a, c, e], [b, d, f], [0, 0, 1]], + x, y, z, res; + + if (a && a instanceof Matrix) { + matrix = [[a.a, a.c, a.e], [a.b, a.d, a.f], [0, 0, 1]]; + } + + for (x = 0; x < 3; x++) { + for (y = 0; y < 3; y++) { + res = 0; + for (z = 0; z < 3; z++) { + res += m[x][z] * matrix[z][y]; + } + out[x][y] = res; + } + } + this.a = out[0][0]; + this.b = out[1][0]; + this.c = out[0][1]; + this.d = out[1][1]; + this.e = out[0][2]; + this.f = out[1][2]; + return this; + }; + /*\ + * Matrix.invert + [ method ] + ** + * Returns an inverted version of the matrix + = (object) @Matrix + \*/ + matrixproto.invert = function () { + var me = this, + x = me.a * me.d - me.b * me.c; + return new Matrix(me.d / x, -me.b / x, -me.c / x, me.a / x, (me.c * me.f - me.d * me.e) / x, (me.b * me.e - me.a * me.f) / x); + }; + /*\ + * Matrix.clone + [ method ] + ** + * Returns a copy of the matrix + = (object) @Matrix + \*/ + matrixproto.clone = function () { + return new Matrix(this.a, this.b, this.c, this.d, this.e, this.f); + }; + /*\ + * Matrix.translate + [ method ] + ** + * Translate the matrix + - x (number) horizontal offset distance + - y (number) vertical offset distance + \*/ + matrixproto.translate = function (x, y) { + return this.add(1, 0, 0, 1, x, y); + }; + /*\ + * Matrix.scale + [ method ] + ** + * Scales the matrix + - x (number) amount to be scaled, with `1` resulting in no change + - y (number) #optional amount to scale along the vertical axis. (Otherwise `x` applies to both axes.) + - cx (number) #optional horizontal origin point from which to scale + - cy (number) #optional vertical origin point from which to scale + * Default cx, cy is the middle point of the element. + \*/ + matrixproto.scale = function (x, y, cx, cy) { + y == null && (y = x); + (cx || cy) && this.add(1, 0, 0, 1, cx, cy); + this.add(x, 0, 0, y, 0, 0); + (cx || cy) && this.add(1, 0, 0, 1, -cx, -cy); + return this; + }; + /*\ + * Matrix.rotate + [ method ] + ** + * Rotates the matrix + - a (number) angle of rotation, in degrees + - x (number) horizontal origin point from which to rotate + - y (number) vertical origin point from which to rotate + \*/ + matrixproto.rotate = function (a, x, y) { + a = Snap.rad(a); + x = x || 0; + y = y || 0; + var cos = +math.cos(a).toFixed(9), + sin = +math.sin(a).toFixed(9); + this.add(cos, sin, -sin, cos, x, y); + return this.add(1, 0, 0, 1, -x, -y); + }; + /*\ + * Matrix.x + [ method ] + ** + * Returns x coordinate for given point after transformation described by the matrix. See also @Matrix.y + - x (number) + - y (number) + = (number) x + \*/ + matrixproto.x = function (x, y) { + return x * this.a + y * this.c + this.e; + }; + /*\ + * Matrix.y + [ method ] + ** + * Returns y coordinate for given point after transformation described by the matrix. See also @Matrix.x + - x (number) + - y (number) + = (number) y + \*/ + matrixproto.y = function (x, y) { + return x * this.b + y * this.d + this.f; + }; + matrixproto.get = function (i) { + return +this[Str.fromCharCode(97 + i)].toFixed(4); + }; + matrixproto.toString = function () { + return "matrix(" + [this.get(0), this.get(1), this.get(2), this.get(3), this.get(4), this.get(5)].join() + ")"; + }; + matrixproto.offset = function () { + return [this.e.toFixed(4), this.f.toFixed(4)]; + }; + function norm(a) { + return a[0] * a[0] + a[1] * a[1]; + } + function normalize(a) { + var mag = math.sqrt(norm(a)); + a[0] && (a[0] /= mag); + a[1] && (a[1] /= mag); + } + /*\ + * Matrix.determinant + [ method ] + ** + * Finds determinant of the given matrix. + = (number) determinant + \*/ + matrixproto.determinant = function () { + return this.a * this.d - this.b * this.c; + }; + /*\ + * Matrix.split + [ method ] + ** + * Splits matrix into primitive transformations + = (object) in format: + o dx (number) translation by x + o dy (number) translation by y + o scalex (number) scale by x + o scaley (number) scale by y + o shear (number) shear + o rotate (number) rotation in deg + o isSimple (boolean) could it be represented via simple transformations + \*/ + matrixproto.split = function () { + var out = {}; + // translation + out.dx = this.e; + out.dy = this.f; + + // scale and shear + var row = [[this.a, this.c], [this.b, this.d]]; + out.scalex = math.sqrt(norm(row[0])); + normalize(row[0]); + + out.shear = row[0][0] * row[1][0] + row[0][1] * row[1][1]; + row[1] = [row[1][0] - row[0][0] * out.shear, row[1][1] - row[0][1] * out.shear]; + + out.scaley = math.sqrt(norm(row[1])); + normalize(row[1]); + out.shear /= out.scaley; + + if (this.determinant() < 0) { + out.scalex = -out.scalex; + } + + // rotation + var sin = -row[0][1], + cos = row[1][1]; + if (cos < 0) { + out.rotate = Snap.deg(math.acos(cos)); + if (sin < 0) { + out.rotate = 360 - out.rotate; + } + } else { + out.rotate = Snap.deg(math.asin(sin)); + } + + out.isSimple = !+out.shear.toFixed(9) && (out.scalex.toFixed(9) == out.scaley.toFixed(9) || !out.rotate); + out.isSuperSimple = !+out.shear.toFixed(9) && out.scalex.toFixed(9) == out.scaley.toFixed(9) && !out.rotate; + out.noRotation = !+out.shear.toFixed(9) && !out.rotate; + return out; + }; + /*\ + * Matrix.toTransformString + [ method ] + ** + * Returns transform string that represents given matrix + = (string) transform string + \*/ + matrixproto.toTransformString = function (shorter) { + var s = shorter || this.split(); + if (!+s.shear.toFixed(9)) { + s.scalex = +s.scalex.toFixed(4); + s.scaley = +s.scaley.toFixed(4); + s.rotate = +s.rotate.toFixed(4); + return (s.dx || s.dy ? "t" + [+s.dx.toFixed(4), +s.dy.toFixed(4)] : E) + + (s.scalex != 1 || s.scaley != 1 ? "s" + [s.scalex, s.scaley, 0, 0] : E) + + (s.rotate ? "r" + [+s.rotate.toFixed(4), 0, 0] : E); + } else { + return "m" + [this.get(0), this.get(1), this.get(2), this.get(3), this.get(4), this.get(5)]; + } + }; + })(Matrix.prototype); + /*\ + * Snap.Matrix + [ method ] + ** + * Matrix constructor, extend on your own risk. + * To create matrices use @Snap.matrix. + \*/ + Snap.Matrix = Matrix; + /*\ + * Snap.matrix + [ method ] + ** + * Utility method + ** + * Returns a matrix based on the given parameters + - a (number) + - b (number) + - c (number) + - d (number) + - e (number) + - f (number) + * or + - svgMatrix (SVGMatrix) + = (object) @Matrix + \*/ + Snap.matrix = function (a, b, c, d, e, f) { + return new Matrix(a, b, c, d, e, f); + }; +}); +// Copyright (c) 2013 Adobe Systems Incorporated. All rights reserved. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. +Snap.plugin(function (Snap, Element, Paper, glob, Fragment) { + var has = "hasOwnProperty", + make = Snap._.make, + wrap = Snap._.wrap, + is = Snap.is, + getSomeDefs = Snap._.getSomeDefs, + reURLValue = /^url\(#?([^)]+)\)$/, + $ = Snap._.$, + URL = Snap.url, + Str = String, + separator = Snap._.separator, + E = ""; + // Attributes event handlers + eve.on("snap.util.attr.mask", function (value) { + if (value instanceof Element || value instanceof Fragment) { + eve.stop(); + if (value instanceof Fragment && value.node.childNodes.length == 1) { + value = value.node.firstChild; + getSomeDefs(this).appendChild(value); + value = wrap(value); + } + if (value.type == "mask") { + var mask = value; + } else { + mask = make("mask", getSomeDefs(this)); + mask.node.appendChild(value.node); + } + !mask.node.id && $(mask.node, { + id: mask.id + }); + $(this.node, { + mask: URL(mask.id) + }); + } + }); + (function (clipIt) { + eve.on("snap.util.attr.clip", clipIt); + eve.on("snap.util.attr.clip-path", clipIt); + eve.on("snap.util.attr.clipPath", clipIt); + }(function (value) { + if (value instanceof Element || value instanceof Fragment) { + eve.stop(); + if (value.type == "clipPath") { + var clip = value; + } else { + clip = make("clipPath", getSomeDefs(this)); + clip.node.appendChild(value.node); + !clip.node.id && $(clip.node, { + id: clip.id + }); + } + $(this.node, { + "clip-path": URL(clip.node.id || clip.id) + }); + } + })); + function fillStroke(name) { + return function (value) { + eve.stop(); + if (value instanceof Fragment && value.node.childNodes.length == 1 && + (value.node.firstChild.tagName == "radialGradient" || + value.node.firstChild.tagName == "linearGradient" || + value.node.firstChild.tagName == "pattern")) { + value = value.node.firstChild; + getSomeDefs(this).appendChild(value); + value = wrap(value); + } + if (value instanceof Element) { + if (value.type == "radialGradient" || value.type == "linearGradient" + || value.type == "pattern") { + if (!value.node.id) { + $(value.node, { + id: value.id + }); + } + var fill = URL(value.node.id); + } else { + fill = value.attr(name); + } + } else { + fill = Snap.color(value); + if (fill.error) { + var grad = Snap(getSomeDefs(this).ownerSVGElement).gradient(value); + if (grad) { + if (!grad.node.id) { + $(grad.node, { + id: grad.id + }); + } + fill = URL(grad.node.id); + } else { + fill = value; + } + } else { + fill = Str(fill); + } + } + var attrs = {}; + attrs[name] = fill; + $(this.node, attrs); + this.node.style[name] = E; + }; + } + eve.on("snap.util.attr.fill", fillStroke("fill")); + eve.on("snap.util.attr.stroke", fillStroke("stroke")); + var gradrg = /^([lr])(?:\(([^)]*)\))?(.*)$/i; + eve.on("snap.util.grad.parse", function parseGrad(string) { + string = Str(string); + var tokens = string.match(gradrg); + if (!tokens) { + return null; + } + var type = tokens[1], + params = tokens[2], + stops = tokens[3]; + params = params.split(/\s*,\s*/).map(function (el) { + return +el == el ? +el : el; + }); + if (params.length == 1 && params[0] == 0) { + params = []; + } + stops = stops.split("-"); + stops = stops.map(function (el) { + el = el.split(":"); + var out = { + color: el[0] + }; + if (el[1]) { + out.offset = parseFloat(el[1]); + } + return out; + }); + return { + type: type, + params: params, + stops: stops + }; + }); + + eve.on("snap.util.attr.d", function (value) { + eve.stop(); + if (is(value, "array") && is(value[0], "array")) { + value = Snap.path.toString.call(value); + } + value = Str(value); + if (value.match(/[ruo]/i)) { + value = Snap.path.toAbsolute(value); + } + $(this.node, {d: value}); + })(-1); + eve.on("snap.util.attr.#text", function (value) { + eve.stop(); + value = Str(value); + var txt = glob.doc.createTextNode(value); + while (this.node.firstChild) { + this.node.removeChild(this.node.firstChild); + } + this.node.appendChild(txt); + })(-1); + eve.on("snap.util.attr.path", function (value) { + eve.stop(); + this.attr({d: value}); + })(-1); + eve.on("snap.util.attr.class", function (value) { + eve.stop(); + this.node.className.baseVal = value; + })(-1); + eve.on("snap.util.attr.viewBox", function (value) { + var vb; + if (is(value, "object") && "x" in value) { + vb = [value.x, value.y, value.width, value.height].join(" "); + } else if (is(value, "array")) { + vb = value.join(" "); + } else { + vb = value; + } + $(this.node, { + viewBox: vb + }); + eve.stop(); + })(-1); + eve.on("snap.util.attr.transform", function (value) { + this.transform(value); + eve.stop(); + })(-1); + eve.on("snap.util.attr.r", function (value) { + if (this.type == "rect") { + eve.stop(); + $(this.node, { + rx: value, + ry: value + }); + } + })(-1); + eve.on("snap.util.attr.textpath", function (value) { + eve.stop(); + if (this.type == "text") { + var id, tp, node; + if (!value && this.textPath) { + tp = this.textPath; + while (tp.node.firstChild) { + this.node.appendChild(tp.node.firstChild); + } + tp.remove(); + delete this.textPath; + return; + } + if (is(value, "string")) { + var defs = getSomeDefs(this), + path = wrap(defs.parentNode).path(value); + defs.appendChild(path.node); + id = path.id; + path.attr({id: id}); + } else { + value = wrap(value); + if (value instanceof Element) { + id = value.attr("id"); + if (!id) { + id = value.id; + value.attr({id: id}); + } + } + } + if (id) { + tp = this.textPath; + node = this.node; + if (tp) { + tp.attr({"xlink:href": "#" + id}); + } else { + tp = $("textPath", { + "xlink:href": "#" + id + }); + while (node.firstChild) { + tp.appendChild(node.firstChild); + } + node.appendChild(tp); + this.textPath = wrap(tp); + } + } + } + })(-1); + eve.on("snap.util.attr.text", function (value) { + if (this.type == "text") { + var i = 0, + node = this.node, + tuner = function (chunk) { + var out = $("tspan"); + if (is(chunk, "array")) { + for (var i = 0; i < chunk.length; i++) { + out.appendChild(tuner(chunk[i])); + } + } else { + out.appendChild(glob.doc.createTextNode(chunk)); + } + out.normalize && out.normalize(); + return out; + }; + while (node.firstChild) { + node.removeChild(node.firstChild); + } + var tuned = tuner(value); + while (tuned.firstChild) { + node.appendChild(tuned.firstChild); + } + } + eve.stop(); + })(-1); + function setFontSize(value) { + eve.stop(); + if (value == +value) { + value += "px"; + } + this.node.style.fontSize = value; + } + eve.on("snap.util.attr.fontSize", setFontSize)(-1); + eve.on("snap.util.attr.font-size", setFontSize)(-1); + + + eve.on("snap.util.getattr.transform", function () { + eve.stop(); + return this.transform(); + })(-1); + eve.on("snap.util.getattr.textpath", function () { + eve.stop(); + return this.textPath; + })(-1); + // Markers + (function () { + function getter(end) { + return function () { + eve.stop(); + var style = glob.doc.defaultView.getComputedStyle(this.node, null).getPropertyValue("marker-" + end); + if (style == "none") { + return style; + } else { + return Snap(glob.doc.getElementById(style.match(reURLValue)[1])); + } + }; + } + function setter(end) { + return function (value) { + eve.stop(); + var name = "marker" + end.charAt(0).toUpperCase() + end.substring(1); + if (value == "" || !value) { + this.node.style[name] = "none"; + return; + } + if (value.type == "marker") { + var id = value.node.id; + if (!id) { + $(value.node, {id: value.id}); + } + this.node.style[name] = URL(id); + return; + } + }; + } + eve.on("snap.util.getattr.marker-end", getter("end"))(-1); + eve.on("snap.util.getattr.markerEnd", getter("end"))(-1); + eve.on("snap.util.getattr.marker-start", getter("start"))(-1); + eve.on("snap.util.getattr.markerStart", getter("start"))(-1); + eve.on("snap.util.getattr.marker-mid", getter("mid"))(-1); + eve.on("snap.util.getattr.markerMid", getter("mid"))(-1); + eve.on("snap.util.attr.marker-end", setter("end"))(-1); + eve.on("snap.util.attr.markerEnd", setter("end"))(-1); + eve.on("snap.util.attr.marker-start", setter("start"))(-1); + eve.on("snap.util.attr.markerStart", setter("start"))(-1); + eve.on("snap.util.attr.marker-mid", setter("mid"))(-1); + eve.on("snap.util.attr.markerMid", setter("mid"))(-1); + }()); + eve.on("snap.util.getattr.r", function () { + if (this.type == "rect" && $(this.node, "rx") == $(this.node, "ry")) { + eve.stop(); + return $(this.node, "rx"); + } + })(-1); + function textExtract(node) { + var out = []; + var children = node.childNodes; + for (var i = 0, ii = children.length; i < ii; i++) { + var chi = children[i]; + if (chi.nodeType == 3) { + out.push(chi.nodeValue); + } + if (chi.tagName == "tspan") { + if (chi.childNodes.length == 1 && chi.firstChild.nodeType == 3) { + out.push(chi.firstChild.nodeValue); + } else { + out.push(textExtract(chi)); + } + } + } + return out; + } + eve.on("snap.util.getattr.text", function () { + if (this.type == "text" || this.type == "tspan") { + eve.stop(); + var out = textExtract(this.node); + return out.length == 1 ? out[0] : out; + } + })(-1); + eve.on("snap.util.getattr.#text", function () { + return this.node.textContent; + })(-1); + eve.on("snap.util.getattr.viewBox", function () { + eve.stop(); + var vb = $(this.node, "viewBox"); + if (vb) { + vb = vb.split(separator); + return Snap._.box(+vb[0], +vb[1], +vb[2], +vb[3]); + } else { + return; + } + })(-1); + eve.on("snap.util.getattr.points", function () { + var p = $(this.node, "points"); + eve.stop(); + if (p) { + return p.split(separator); + } else { + return; + } + })(-1); + eve.on("snap.util.getattr.path", function () { + var p = $(this.node, "d"); + eve.stop(); + return p; + })(-1); + eve.on("snap.util.getattr.class", function () { + return this.node.className.baseVal; + })(-1); + function getFontSize() { + eve.stop(); + return this.node.style.fontSize; + } + eve.on("snap.util.getattr.fontSize", getFontSize)(-1); + eve.on("snap.util.getattr.font-size", getFontSize)(-1); +}); + +// Copyright (c) 2014 Adobe Systems Incorporated. All rights reserved. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. +Snap.plugin(function (Snap, Element, Paper, glob, Fragment) { + var rgNotSpace = /\S+/g, + rgBadSpace = /[\t\r\n\f]/g, + rgTrim = /(^\s+|\s+$)/g, + Str = String, + elproto = Element.prototype; + /*\ + * Element.addClass + [ method ] + ** + * Adds given class name or list of class names to the element. + - value (string) class name or space separated list of class names + ** + = (Element) original element. + \*/ + elproto.addClass = function (value) { + var classes = Str(value || "").match(rgNotSpace) || [], + elem = this.node, + className = elem.className.baseVal, + curClasses = className.match(rgNotSpace) || [], + j, + pos, + clazz, + finalValue; + + if (classes.length) { + j = 0; + while ((clazz = classes[j++])) { + pos = curClasses.indexOf(clazz); + if (!~pos) { + curClasses.push(clazz); + } + } + + finalValue = curClasses.join(" "); + if (className != finalValue) { + elem.className.baseVal = finalValue; + } + } + return this; + }; + /*\ + * Element.removeClass + [ method ] + ** + * Removes given class name or list of class names from the element. + - value (string) class name or space separated list of class names + ** + = (Element) original element. + \*/ + elproto.removeClass = function (value) { + var classes = Str(value || "").match(rgNotSpace) || [], + elem = this.node, + className = elem.className.baseVal, + curClasses = className.match(rgNotSpace) || [], + j, + pos, + clazz, + finalValue; + if (curClasses.length) { + j = 0; + while ((clazz = classes[j++])) { + pos = curClasses.indexOf(clazz); + if (~pos) { + curClasses.splice(pos, 1); + } + } + + finalValue = curClasses.join(" "); + if (className != finalValue) { + elem.className.baseVal = finalValue; + } + } + return this; + }; + /*\ + * Element.hasClass + [ method ] + ** + * Checks if the element has a given class name in the list of class names applied to it. + - value (string) class name + ** + = (boolean) `true` if the element has given class + \*/ + elproto.hasClass = function (value) { + var elem = this.node, + className = elem.className.baseVal, + curClasses = className.match(rgNotSpace) || []; + return !!~curClasses.indexOf(value); + }; + /*\ + * Element.toggleClass + [ method ] + ** + * Add or remove one or more classes from the element, depending on either + * the class’s presence or the value of the `flag` argument. + - value (string) class name or space separated list of class names + - flag (boolean) value to determine whether the class should be added or removed + ** + = (Element) original element. + \*/ + elproto.toggleClass = function (value, flag) { + if (flag != null) { + if (flag) { + return this.addClass(value); + } else { + return this.removeClass(value); + } + } + var classes = (value || "").match(rgNotSpace) || [], + elem = this.node, + className = elem.className.baseVal, + curClasses = className.match(rgNotSpace) || [], + j, + pos, + clazz, + finalValue; + j = 0; + while ((clazz = classes[j++])) { + pos = curClasses.indexOf(clazz); + if (~pos) { + curClasses.splice(pos, 1); + } else { + curClasses.push(clazz); + } + } + + finalValue = curClasses.join(" "); + if (className != finalValue) { + elem.className.baseVal = finalValue; + } + return this; + }; +}); + +// Copyright (c) 2013 Adobe Systems Incorporated. All rights reserved. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. +Snap.plugin(function (Snap, Element, Paper, glob, Fragment) { + var operators = { + "+": function (x, y) { + return x + y; + }, + "-": function (x, y) { + return x - y; + }, + "/": function (x, y) { + return x / y; + }, + "*": function (x, y) { + return x * y; + } + }, + Str = String, + reUnit = /[a-z]+$/i, + reAddon = /^\s*([+\-\/*])\s*=\s*([\d.eE+\-]+)\s*([^\d\s]+)?\s*$/; + function getNumber(val) { + return val; + } + function getUnit(unit) { + return function (val) { + return +val.toFixed(3) + unit; + }; + } + eve.on("snap.util.attr", function (val) { + var plus = Str(val).match(reAddon); + if (plus) { + var evnt = eve.nt(), + name = evnt.substring(evnt.lastIndexOf(".") + 1), + a = this.attr(name), + atr = {}; + eve.stop(); + var unit = plus[3] || "", + aUnit = a.match(reUnit), + op = operators[plus[1]]; + if (aUnit && aUnit == unit) { + val = op(parseFloat(a), +plus[2]); + } else { + a = this.asPX(name); + val = op(this.asPX(name), this.asPX(name, plus[2] + unit)); + } + if (isNaN(a) || isNaN(val)) { + return; + } + atr[name] = val; + this.attr(atr); + } + })(-10); + eve.on("snap.util.equal", function (name, b) { + var A, B, a = Str(this.attr(name) || ""), + el = this, + bplus = Str(b).match(reAddon); + if (bplus) { + eve.stop(); + var unit = bplus[3] || "", + aUnit = a.match(reUnit), + op = operators[bplus[1]]; + if (aUnit && aUnit == unit) { + return { + from: parseFloat(a), + to: op(parseFloat(a), +bplus[2]), + f: getUnit(aUnit) + }; + } else { + a = this.asPX(name); + return { + from: a, + to: op(a, this.asPX(name, bplus[2] + unit)), + f: getNumber + }; + } + } + })(-10); +}); +// Copyright (c) 2013 Adobe Systems Incorporated. All rights reserved. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. +Snap.plugin(function (Snap, Element, Paper, glob, Fragment) { + var proto = Paper.prototype, + is = Snap.is; + /*\ + * Paper.rect + [ method ] + * + * Draws a rectangle + ** + - x (number) x coordinate of the top left corner + - y (number) y coordinate of the top left corner + - width (number) width + - height (number) height + - rx (number) #optional horizontal radius for rounded corners, default is 0 + - ry (number) #optional vertical radius for rounded corners, default is rx or 0 + = (object) the `rect` element + ** + > Usage + | // regular rectangle + | var c = paper.rect(10, 10, 50, 50); + | // rectangle with rounded corners + | var c = paper.rect(40, 40, 50, 50, 10); + \*/ + proto.rect = function (x, y, w, h, rx, ry) { + var attr; + if (ry == null) { + ry = rx; + } + if (is(x, "object") && x == "[object Object]") { + attr = x; + } else if (x != null) { + attr = { + x: x, + y: y, + width: w, + height: h + }; + if (rx != null) { + attr.rx = rx; + attr.ry = ry; + } + } + return this.el("rect", attr); + }; + /*\ + * Paper.circle + [ method ] + ** + * Draws a circle + ** + - x (number) x coordinate of the centre + - y (number) y coordinate of the centre + - r (number) radius + = (object) the `circle` element + ** + > Usage + | var c = paper.circle(50, 50, 40); + \*/ + proto.circle = function (cx, cy, r) { + var attr; + if (is(cx, "object") && cx == "[object Object]") { + attr = cx; + } else if (cx != null) { + attr = { + cx: cx, + cy: cy, + r: r + }; + } + return this.el("circle", attr); + }; + + var preload = (function () { + function onerror() { + this.parentNode.removeChild(this); + } + return function (src, f) { + var img = glob.doc.createElement("img"), + body = glob.doc.body; + img.style.cssText = "position:absolute;left:-9999em;top:-9999em"; + img.onload = function () { + f.call(img); + img.onload = img.onerror = null; + body.removeChild(img); + }; + img.onerror = onerror; + body.appendChild(img); + img.src = src; + }; + }()); + + /*\ + * Paper.image + [ method ] + ** + * Places an image on the surface + ** + - src (string) URI of the source image + - x (number) x offset position + - y (number) y offset position + - width (number) width of the image + - height (number) height of the image + = (object) the `image` element + * or + = (object) Snap element object with type `image` + ** + > Usage + | var c = paper.image("apple.png", 10, 10, 80, 80); + \*/ + proto.image = function (src, x, y, width, height) { + var el = this.el("image"); + if (is(src, "object") && "src" in src) { + el.attr(src); + } else if (src != null) { + var set = { + "xlink:href": src, + preserveAspectRatio: "none" + }; + if (x != null && y != null) { + set.x = x; + set.y = y; + } + if (width != null && height != null) { + set.width = width; + set.height = height; + } else { + preload(src, function () { + Snap._.$(el.node, { + width: this.offsetWidth, + height: this.offsetHeight + }); + }); + } + Snap._.$(el.node, set); + } + return el; + }; + /*\ + * Paper.ellipse + [ method ] + ** + * Draws an ellipse + ** + - x (number) x coordinate of the centre + - y (number) y coordinate of the centre + - rx (number) horizontal radius + - ry (number) vertical radius + = (object) the `ellipse` element + ** + > Usage + | var c = paper.ellipse(50, 50, 40, 20); + \*/ + proto.ellipse = function (cx, cy, rx, ry) { + var attr; + if (is(cx, "object") && cx == "[object Object]") { + attr = cx; + } else if (cx != null) { + attr ={ + cx: cx, + cy: cy, + rx: rx, + ry: ry + }; + } + return this.el("ellipse", attr); + }; + // SIERRA Paper.path(): Unclear from the link what a Catmull-Rom curveto is, and why it would make life any easier. + /*\ + * Paper.path + [ method ] + ** + * Creates a `<path>` element using the given string as the path's definition + - pathString (string) #optional path string in SVG format + * Path string consists of one-letter commands, followed by comma seprarated arguments in numerical form. Example: + | "M10,20L30,40" + * This example features two commands: `M`, with arguments `(10, 20)` and `L` with arguments `(30, 40)`. Uppercase letter commands express coordinates in absolute terms, while lowercase commands express them in relative terms from the most recently declared coordinates. + * + # <p>Here is short list of commands available, for more details see <a href="http://www.w3.org/TR/SVG/paths.html#PathData" title="Details of a path's data attribute's format are described in the SVG specification.">SVG path string format</a> or <a href="https://developer.mozilla.org/en/SVG/Tutorial/Paths">article about path strings at MDN</a>.</p> + # <table><thead><tr><th>Command</th><th>Name</th><th>Parameters</th></tr></thead><tbody> + # <tr><td>M</td><td>moveto</td><td>(x y)+</td></tr> + # <tr><td>Z</td><td>closepath</td><td>(none)</td></tr> + # <tr><td>L</td><td>lineto</td><td>(x y)+</td></tr> + # <tr><td>H</td><td>horizontal lineto</td><td>x+</td></tr> + # <tr><td>V</td><td>vertical lineto</td><td>y+</td></tr> + # <tr><td>C</td><td>curveto</td><td>(x1 y1 x2 y2 x y)+</td></tr> + # <tr><td>S</td><td>smooth curveto</td><td>(x2 y2 x y)+</td></tr> + # <tr><td>Q</td><td>quadratic Bézier curveto</td><td>(x1 y1 x y)+</td></tr> + # <tr><td>T</td><td>smooth quadratic Bézier curveto</td><td>(x y)+</td></tr> + # <tr><td>A</td><td>elliptical arc</td><td>(rx ry x-axis-rotation large-arc-flag sweep-flag x y)+</td></tr> + # <tr><td>R</td><td><a href="http://en.wikipedia.org/wiki/Catmull–Rom_spline#Catmull.E2.80.93Rom_spline">Catmull-Rom curveto</a>*</td><td>x1 y1 (x y)+</td></tr></tbody></table> + * * _Catmull-Rom curveto_ is a not standard SVG command and added to make life easier. + * Note: there is a special case when a path consists of only three commands: `M10,10R…z`. In this case the path connects back to its starting point. + > Usage + | var c = paper.path("M10 10L90 90"); + | // draw a diagonal line: + | // move to 10,10, line to 90,90 + \*/ + proto.path = function (d) { + var attr; + if (is(d, "object") && !is(d, "array")) { + attr = d; + } else if (d) { + attr = {d: d}; + } + return this.el("path", attr); + }; + /*\ + * Paper.g + [ method ] + ** + * Creates a group element + ** + - varargs (…) #optional elements to nest within the group + = (object) the `g` element + ** + > Usage + | var c1 = paper.circle(), + | c2 = paper.rect(), + | g = paper.g(c2, c1); // note that the order of elements is different + * or + | var c1 = paper.circle(), + | c2 = paper.rect(), + | g = paper.g(); + | g.add(c2, c1); + \*/ + /*\ + * Paper.group + [ method ] + ** + * See @Paper.g + \*/ + proto.group = proto.g = function (first) { + var attr, + el = this.el("g"); + if (arguments.length == 1 && first && !first.type) { + el.attr(first); + } else if (arguments.length) { + el.add(Array.prototype.slice.call(arguments, 0)); + } + return el; + }; + /*\ + * Paper.svg + [ method ] + ** + * Creates a nested SVG element. + - x (number) @optional X of the element + - y (number) @optional Y of the element + - width (number) @optional width of the element + - height (number) @optional height of the element + - vbx (number) @optional viewbox X + - vby (number) @optional viewbox Y + - vbw (number) @optional viewbox width + - vbh (number) @optional viewbox height + ** + = (object) the `svg` element + ** + \*/ + proto.svg = function (x, y, width, height, vbx, vby, vbw, vbh) { + var attrs = {}; + if (is(x, "object") && y == null) { + attrs = x; + } else { + if (x != null) { + attrs.x = x; + } + if (y != null) { + attrs.y = y; + } + if (width != null) { + attrs.width = width; + } + if (height != null) { + attrs.height = height; + } + if (vbx != null && vby != null && vbw != null && vbh != null) { + attrs.viewBox = [vbx, vby, vbw, vbh]; + } + } + return this.el("svg", attrs); + }; + /*\ + * Paper.mask + [ method ] + ** + * Equivalent in behaviour to @Paper.g, except it’s a mask. + ** + = (object) the `mask` element + ** + \*/ + proto.mask = function (first) { + var attr, + el = this.el("mask"); + if (arguments.length == 1 && first && !first.type) { + el.attr(first); + } else if (arguments.length) { + el.add(Array.prototype.slice.call(arguments, 0)); + } + return el; + }; + /*\ + * Paper.ptrn + [ method ] + ** + * Equivalent in behaviour to @Paper.g, except it’s a pattern. + - x (number) @optional X of the element + - y (number) @optional Y of the element + - width (number) @optional width of the element + - height (number) @optional height of the element + - vbx (number) @optional viewbox X + - vby (number) @optional viewbox Y + - vbw (number) @optional viewbox width + - vbh (number) @optional viewbox height + ** + = (object) the `pattern` element + ** + \*/ + proto.ptrn = function (x, y, width, height, vx, vy, vw, vh) { + if (is(x, "object")) { + var attr = x; + } else { + attr = {patternUnits: "userSpaceOnUse"}; + if (x) { + attr.x = x; + } + if (y) { + attr.y = y; + } + if (width != null) { + attr.width = width; + } + if (height != null) { + attr.height = height; + } + if (vx != null && vy != null && vw != null && vh != null) { + attr.viewBox = [vx, vy, vw, vh]; + } else { + attr.viewBox = [x || 0, y || 0, width || 0, height || 0]; + } + } + return this.el("pattern", attr); + }; + /*\ + * Paper.use + [ method ] + ** + * Creates a <use> element. + - id (string) @optional id of element to link + * or + - id (Element) @optional element to link + ** + = (object) the `use` element + ** + \*/ + proto.use = function (id) { + if (id != null) { + if (id instanceof Element) { + if (!id.attr("id")) { + id.attr({id: Snap._.id(id)}); + } + id = id.attr("id"); + } + if (String(id).charAt() == "#") { + id = id.substring(1); + } + return this.el("use", {"xlink:href": "#" + id}); + } else { + return Element.prototype.use.call(this); + } + }; + /*\ + * Paper.symbol + [ method ] + ** + * Creates a <symbol> element. + - vbx (number) @optional viewbox X + - vby (number) @optional viewbox Y + - vbw (number) @optional viewbox width + - vbh (number) @optional viewbox height + = (object) the `symbol` element + ** + \*/ + proto.symbol = function (vx, vy, vw, vh) { + var attr = {}; + if (vx != null && vy != null && vw != null && vh != null) { + attr.viewBox = [vx, vy, vw, vh]; + } + + return this.el("symbol", attr); + }; + /*\ + * Paper.text + [ method ] + ** + * Draws a text string + ** + - x (number) x coordinate position + - y (number) y coordinate position + - text (string|array) The text string to draw or array of strings to nest within separate `<tspan>` elements + = (object) the `text` element + ** + > Usage + | var t1 = paper.text(50, 50, "Snap"); + | var t2 = paper.text(50, 50, ["S","n","a","p"]); + | // Text path usage + | t1.attr({textpath: "M10,10L100,100"}); + | // or + | var pth = paper.path("M10,10L100,100"); + | t1.attr({textpath: pth}); + \*/ + proto.text = function (x, y, text) { + var attr = {}; + if (is(x, "object")) { + attr = x; + } else if (x != null) { + attr = { + x: x, + y: y, + text: text || "" + }; + } + return this.el("text", attr); + }; + /*\ + * Paper.line + [ method ] + ** + * Draws a line + ** + - x1 (number) x coordinate position of the start + - y1 (number) y coordinate position of the start + - x2 (number) x coordinate position of the end + - y2 (number) y coordinate position of the end + = (object) the `line` element + ** + > Usage + | var t1 = paper.line(50, 50, 100, 100); + \*/ + proto.line = function (x1, y1, x2, y2) { + var attr = {}; + if (is(x1, "object")) { + attr = x1; + } else if (x1 != null) { + attr = { + x1: x1, + x2: x2, + y1: y1, + y2: y2 + }; + } + return this.el("line", attr); + }; + /*\ + * Paper.polyline + [ method ] + ** + * Draws a polyline + ** + - points (array) array of points + * or + - varargs (…) points + = (object) the `polyline` element + ** + > Usage + | var p1 = paper.polyline([10, 10, 100, 100]); + | var p2 = paper.polyline(10, 10, 100, 100); + \*/ + proto.polyline = function (points) { + if (arguments.length > 1) { + points = Array.prototype.slice.call(arguments, 0); + } + var attr = {}; + if (is(points, "object") && !is(points, "array")) { + attr = points; + } else if (points != null) { + attr = {points: points}; + } + return this.el("polyline", attr); + }; + /*\ + * Paper.polygon + [ method ] + ** + * Draws a polygon. See @Paper.polyline + \*/ + proto.polygon = function (points) { + if (arguments.length > 1) { + points = Array.prototype.slice.call(arguments, 0); + } + var attr = {}; + if (is(points, "object") && !is(points, "array")) { + attr = points; + } else if (points != null) { + attr = {points: points}; + } + return this.el("polygon", attr); + }; + // gradients + (function () { + var $ = Snap._.$; + // gradients' helpers + function Gstops() { + return this.selectAll("stop"); + } + function GaddStop(color, offset) { + var stop = $("stop"), + attr = { + offset: +offset + "%" + }; + color = Snap.color(color); + attr["stop-color"] = color.hex; + if (color.opacity < 1) { + attr["stop-opacity"] = color.opacity; + } + $(stop, attr); + this.node.appendChild(stop); + return this; + } + function GgetBBox() { + if (this.type == "linearGradient") { + var x1 = $(this.node, "x1") || 0, + x2 = $(this.node, "x2") || 1, + y1 = $(this.node, "y1") || 0, + y2 = $(this.node, "y2") || 0; + return Snap._.box(x1, y1, math.abs(x2 - x1), math.abs(y2 - y1)); + } else { + var cx = this.node.cx || .5, + cy = this.node.cy || .5, + r = this.node.r || 0; + return Snap._.box(cx - r, cy - r, r * 2, r * 2); + } + } + function gradient(defs, str) { + var grad = eve("snap.util.grad.parse", null, str).firstDefined(), + el; + if (!grad) { + return null; + } + grad.params.unshift(defs); + if (grad.type.toLowerCase() == "l") { + el = gradientLinear.apply(0, grad.params); + } else { + el = gradientRadial.apply(0, grad.params); + } + if (grad.type != grad.type.toLowerCase()) { + $(el.node, { + gradientUnits: "userSpaceOnUse" + }); + } + var stops = grad.stops, + len = stops.length, + start = 0, + j = 0; + function seed(i, end) { + var step = (end - start) / (i - j); + for (var k = j; k < i; k++) { + stops[k].offset = +(+start + step * (k - j)).toFixed(2); + } + j = i; + start = end; + } + len--; + for (var i = 0; i < len; i++) if ("offset" in stops[i]) { + seed(i, stops[i].offset); + } + stops[len].offset = stops[len].offset || 100; + seed(len, stops[len].offset); + for (i = 0; i <= len; i++) { + var stop = stops[i]; + el.addStop(stop.color, stop.offset); + } + return el; + } + function gradientLinear(defs, x1, y1, x2, y2) { + var el = Snap._.make("linearGradient", defs); + el.stops = Gstops; + el.addStop = GaddStop; + el.getBBox = GgetBBox; + if (x1 != null) { + $(el.node, { + x1: x1, + y1: y1, + x2: x2, + y2: y2 + }); + } + return el; + } + function gradientRadial(defs, cx, cy, r, fx, fy) { + var el = Snap._.make("radialGradient", defs); + el.stops = Gstops; + el.addStop = GaddStop; + el.getBBox = GgetBBox; + if (cx != null) { + $(el.node, { + cx: cx, + cy: cy, + r: r + }); + } + if (fx != null && fy != null) { + $(el.node, { + fx: fx, + fy: fy + }); + } + return el; + } + /*\ + * Paper.gradient + [ method ] + ** + * Creates a gradient element + ** + - gradient (string) gradient descriptor + > Gradient Descriptor + * The gradient descriptor is an expression formatted as + * follows: `<type>(<coords>)<colors>`. The `<type>` can be + * either linear or radial. The uppercase `L` or `R` letters + * indicate absolute coordinates offset from the SVG surface. + * Lowercase `l` or `r` letters indicate coordinates + * calculated relative to the element to which the gradient is + * applied. Coordinates specify a linear gradient vector as + * `x1`, `y1`, `x2`, `y2`, or a radial gradient as `cx`, `cy`, + * `r` and optional `fx`, `fy` specifying a focal point away + * from the center of the circle. Specify `<colors>` as a list + * of dash-separated CSS color values. Each color may be + * followed by a custom offset value, separated with a colon + * character. + > Examples + * Linear gradient, relative from top-left corner to bottom-right + * corner, from black through red to white: + | var g = paper.gradient("l(0, 0, 1, 1)#000-#f00-#fff"); + * Linear gradient, absolute from (0, 0) to (100, 100), from black + * through red at 25% to white: + | var g = paper.gradient("L(0, 0, 100, 100)#000-#f00:25-#fff"); + * Radial gradient, relative from the center of the element with radius + * half the width, from black to white: + | var g = paper.gradient("r(0.5, 0.5, 0.5)#000-#fff"); + * To apply the gradient: + | paper.circle(50, 50, 40).attr({ + | fill: g + | }); + = (object) the `gradient` element + \*/ + proto.gradient = function (str) { + return gradient(this.defs, str); + }; + proto.gradientLinear = function (x1, y1, x2, y2) { + return gradientLinear(this.defs, x1, y1, x2, y2); + }; + proto.gradientRadial = function (cx, cy, r, fx, fy) { + return gradientRadial(this.defs, cx, cy, r, fx, fy); + }; + /*\ + * Paper.toString + [ method ] + ** + * Returns SVG code for the @Paper + = (string) SVG code for the @Paper + \*/ + proto.toString = function () { + var doc = this.node.ownerDocument, + f = doc.createDocumentFragment(), + d = doc.createElement("div"), + svg = this.node.cloneNode(true), + res; + f.appendChild(d); + d.appendChild(svg); + Snap._.$(svg, {xmlns: "http://www.w3.org/2000/svg"}); + res = d.innerHTML; + f.removeChild(f.firstChild); + return res; + }; + /*\ + * Paper.toDataURL + [ method ] + ** + * Returns SVG code for the @Paper as Data URI string. + = (string) Data URI string + \*/ + proto.toDataURL = function () { + if (window && window.btoa) { + return "data:image/svg+xml;base64," + btoa(unescape(encodeURIComponent(this))); + } + }; + /*\ + * Paper.clear + [ method ] + ** + * Removes all child nodes of the paper, except <defs>. + \*/ + proto.clear = function () { + var node = this.node.firstChild, + next; + while (node) { + next = node.nextSibling; + if (node.tagName != "defs") { + node.parentNode.removeChild(node); + } else { + proto.clear.call({node: node}); + } + node = next; + } + }; + }()); +}); + +// Copyright (c) 2013 Adobe Systems Incorporated. All rights reserved. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. +Snap.plugin(function (Snap, Element, Paper, glob) { + var elproto = Element.prototype, + is = Snap.is, + clone = Snap._.clone, + has = "hasOwnProperty", + p2s = /,?([a-z]),?/gi, + toFloat = parseFloat, + math = Math, + PI = math.PI, + mmin = math.min, + mmax = math.max, + pow = math.pow, + abs = math.abs; + function paths(ps) { + var p = paths.ps = paths.ps || {}; + if (p[ps]) { + p[ps].sleep = 100; + } else { + p[ps] = { + sleep: 100 + }; + } + setTimeout(function () { + for (var key in p) if (p[has](key) && key != ps) { + p[key].sleep--; + !p[key].sleep && delete p[key]; + } + }); + return p[ps]; + } + function box(x, y, width, height) { + if (x == null) { + x = y = width = height = 0; + } + if (y == null) { + y = x.y; + width = x.width; + height = x.height; + x = x.x; + } + return { + x: x, + y: y, + width: width, + w: width, + height: height, + h: height, + x2: x + width, + y2: y + height, + cx: x + width / 2, + cy: y + height / 2, + r1: math.min(width, height) / 2, + r2: math.max(width, height) / 2, + r0: math.sqrt(width * width + height * height) / 2, + path: rectPath(x, y, width, height), + vb: [x, y, width, height].join(" ") + }; + } + function toString() { + return this.join(",").replace(p2s, "$1"); + } + function pathClone(pathArray) { + var res = clone(pathArray); + res.toString = toString; + return res; + } + function getPointAtSegmentLength(p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y, length) { + if (length == null) { + return bezlen(p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y); + } else { + return findDotsAtSegment(p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y, + getTotLen(p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y, length)); + } + } + function getLengthFactory(istotal, subpath) { + function O(val) { + return +(+val).toFixed(3); + } + return Snap._.cacher(function (path, length, onlystart) { + if (path instanceof Element) { + path = path.attr("d"); + } + path = path2curve(path); + var x, y, p, l, sp = "", subpaths = {}, point, + len = 0; + for (var i = 0, ii = path.length; i < ii; i++) { + p = path[i]; + if (p[0] == "M") { + x = +p[1]; + y = +p[2]; + } else { + l = getPointAtSegmentLength(x, y, p[1], p[2], p[3], p[4], p[5], p[6]); + if (len + l > length) { + if (subpath && !subpaths.start) { + point = getPointAtSegmentLength(x, y, p[1], p[2], p[3], p[4], p[5], p[6], length - len); + sp += [ + "C" + O(point.start.x), + O(point.start.y), + O(point.m.x), + O(point.m.y), + O(point.x), + O(point.y) + ]; + if (onlystart) {return sp;} + subpaths.start = sp; + sp = [ + "M" + O(point.x), + O(point.y) + "C" + O(point.n.x), + O(point.n.y), + O(point.end.x), + O(point.end.y), + O(p[5]), + O(p[6]) + ].join(); + len += l; + x = +p[5]; + y = +p[6]; + continue; + } + if (!istotal && !subpath) { + point = getPointAtSegmentLength(x, y, p[1], p[2], p[3], p[4], p[5], p[6], length - len); + return point; + } + } + len += l; + x = +p[5]; + y = +p[6]; + } + sp += p.shift() + p; + } + subpaths.end = sp; + point = istotal ? len : subpath ? subpaths : findDotsAtSegment(x, y, p[0], p[1], p[2], p[3], p[4], p[5], 1); + return point; + }, null, Snap._.clone); + } + var getTotalLength = getLengthFactory(1), + getPointAtLength = getLengthFactory(), + getSubpathsAtLength = getLengthFactory(0, 1); + function findDotsAtSegment(p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y, t) { + var t1 = 1 - t, + t13 = pow(t1, 3), + t12 = pow(t1, 2), + t2 = t * t, + t3 = t2 * t, + x = t13 * p1x + t12 * 3 * t * c1x + t1 * 3 * t * t * c2x + t3 * p2x, + y = t13 * p1y + t12 * 3 * t * c1y + t1 * 3 * t * t * c2y + t3 * p2y, + mx = p1x + 2 * t * (c1x - p1x) + t2 * (c2x - 2 * c1x + p1x), + my = p1y + 2 * t * (c1y - p1y) + t2 * (c2y - 2 * c1y + p1y), + nx = c1x + 2 * t * (c2x - c1x) + t2 * (p2x - 2 * c2x + c1x), + ny = c1y + 2 * t * (c2y - c1y) + t2 * (p2y - 2 * c2y + c1y), + ax = t1 * p1x + t * c1x, + ay = t1 * p1y + t * c1y, + cx = t1 * c2x + t * p2x, + cy = t1 * c2y + t * p2y, + alpha = (90 - math.atan2(mx - nx, my - ny) * 180 / PI); + // (mx > nx || my < ny) && (alpha += 180); + return { + x: x, + y: y, + m: {x: mx, y: my}, + n: {x: nx, y: ny}, + start: {x: ax, y: ay}, + end: {x: cx, y: cy}, + alpha: alpha + }; + } + function bezierBBox(p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y) { + if (!Snap.is(p1x, "array")) { + p1x = [p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y]; + } + var bbox = curveDim.apply(null, p1x); + return box( + bbox.min.x, + bbox.min.y, + bbox.max.x - bbox.min.x, + bbox.max.y - bbox.min.y + ); + } + function isPointInsideBBox(bbox, x, y) { + return x >= bbox.x && + x <= bbox.x + bbox.width && + y >= bbox.y && + y <= bbox.y + bbox.height; + } + function isBBoxIntersect(bbox1, bbox2) { + bbox1 = box(bbox1); + bbox2 = box(bbox2); + return isPointInsideBBox(bbox2, bbox1.x, bbox1.y) + || isPointInsideBBox(bbox2, bbox1.x2, bbox1.y) + || isPointInsideBBox(bbox2, bbox1.x, bbox1.y2) + || isPointInsideBBox(bbox2, bbox1.x2, bbox1.y2) + || isPointInsideBBox(bbox1, bbox2.x, bbox2.y) + || isPointInsideBBox(bbox1, bbox2.x2, bbox2.y) + || isPointInsideBBox(bbox1, bbox2.x, bbox2.y2) + || isPointInsideBBox(bbox1, bbox2.x2, bbox2.y2) + || (bbox1.x < bbox2.x2 && bbox1.x > bbox2.x + || bbox2.x < bbox1.x2 && bbox2.x > bbox1.x) + && (bbox1.y < bbox2.y2 && bbox1.y > bbox2.y + || bbox2.y < bbox1.y2 && bbox2.y > bbox1.y); + } + function base3(t, p1, p2, p3, p4) { + var t1 = -3 * p1 + 9 * p2 - 9 * p3 + 3 * p4, + t2 = t * t1 + 6 * p1 - 12 * p2 + 6 * p3; + return t * t2 - 3 * p1 + 3 * p2; + } + function bezlen(x1, y1, x2, y2, x3, y3, x4, y4, z) { + if (z == null) { + z = 1; + } + z = z > 1 ? 1 : z < 0 ? 0 : z; + var z2 = z / 2, + n = 12, + Tvalues = [-.1252,.1252,-.3678,.3678,-.5873,.5873,-.7699,.7699,-.9041,.9041,-.9816,.9816], + Cvalues = [0.2491,0.2491,0.2335,0.2335,0.2032,0.2032,0.1601,0.1601,0.1069,0.1069,0.0472,0.0472], + sum = 0; + for (var i = 0; i < n; i++) { + var ct = z2 * Tvalues[i] + z2, + xbase = base3(ct, x1, x2, x3, x4), + ybase = base3(ct, y1, y2, y3, y4), + comb = xbase * xbase + ybase * ybase; + sum += Cvalues[i] * math.sqrt(comb); + } + return z2 * sum; + } + function getTotLen(x1, y1, x2, y2, x3, y3, x4, y4, ll) { + if (ll < 0 || bezlen(x1, y1, x2, y2, x3, y3, x4, y4) < ll) { + return; + } + var t = 1, + step = t / 2, + t2 = t - step, + l, + e = .01; + l = bezlen(x1, y1, x2, y2, x3, y3, x4, y4, t2); + while (abs(l - ll) > e) { + step /= 2; + t2 += (l < ll ? 1 : -1) * step; + l = bezlen(x1, y1, x2, y2, x3, y3, x4, y4, t2); + } + return t2; + } + function intersect(x1, y1, x2, y2, x3, y3, x4, y4) { + if ( + mmax(x1, x2) < mmin(x3, x4) || + mmin(x1, x2) > mmax(x3, x4) || + mmax(y1, y2) < mmin(y3, y4) || + mmin(y1, y2) > mmax(y3, y4) + ) { + return; + } + var nx = (x1 * y2 - y1 * x2) * (x3 - x4) - (x1 - x2) * (x3 * y4 - y3 * x4), + ny = (x1 * y2 - y1 * x2) * (y3 - y4) - (y1 - y2) * (x3 * y4 - y3 * x4), + denominator = (x1 - x2) * (y3 - y4) - (y1 - y2) * (x3 - x4); + + if (!denominator) { + return; + } + var px = nx / denominator, + py = ny / denominator, + px2 = +px.toFixed(2), + py2 = +py.toFixed(2); + if ( + px2 < +mmin(x1, x2).toFixed(2) || + px2 > +mmax(x1, x2).toFixed(2) || + px2 < +mmin(x3, x4).toFixed(2) || + px2 > +mmax(x3, x4).toFixed(2) || + py2 < +mmin(y1, y2).toFixed(2) || + py2 > +mmax(y1, y2).toFixed(2) || + py2 < +mmin(y3, y4).toFixed(2) || + py2 > +mmax(y3, y4).toFixed(2) + ) { + return; + } + return {x: px, y: py}; + } + function inter(bez1, bez2) { + return interHelper(bez1, bez2); + } + function interCount(bez1, bez2) { + return interHelper(bez1, bez2, 1); + } + function interHelper(bez1, bez2, justCount) { + var bbox1 = bezierBBox(bez1), + bbox2 = bezierBBox(bez2); + if (!isBBoxIntersect(bbox1, bbox2)) { + return justCount ? 0 : []; + } + var l1 = bezlen.apply(0, bez1), + l2 = bezlen.apply(0, bez2), + n1 = ~~(l1 / 8), + n2 = ~~(l2 / 8), + dots1 = [], + dots2 = [], + xy = {}, + res = justCount ? 0 : []; + for (var i = 0; i < n1 + 1; i++) { + var p = findDotsAtSegment.apply(0, bez1.concat(i / n1)); + dots1.push({x: p.x, y: p.y, t: i / n1}); + } + for (i = 0; i < n2 + 1; i++) { + p = findDotsAtSegment.apply(0, bez2.concat(i / n2)); + dots2.push({x: p.x, y: p.y, t: i / n2}); + } + for (i = 0; i < n1; i++) { + for (var j = 0; j < n2; j++) { + var di = dots1[i], + di1 = dots1[i + 1], + dj = dots2[j], + dj1 = dots2[j + 1], + ci = abs(di1.x - di.x) < .001 ? "y" : "x", + cj = abs(dj1.x - dj.x) < .001 ? "y" : "x", + is = intersect(di.x, di.y, di1.x, di1.y, dj.x, dj.y, dj1.x, dj1.y); + if (is) { + if (xy[is.x.toFixed(4)] == is.y.toFixed(4)) { + continue; + } + xy[is.x.toFixed(4)] = is.y.toFixed(4); + var t1 = di.t + abs((is[ci] - di[ci]) / (di1[ci] - di[ci])) * (di1.t - di.t), + t2 = dj.t + abs((is[cj] - dj[cj]) / (dj1[cj] - dj[cj])) * (dj1.t - dj.t); + if (t1 >= 0 && t1 <= 1 && t2 >= 0 && t2 <= 1) { + if (justCount) { + res++; + } else { + res.push({ + x: is.x, + y: is.y, + t1: t1, + t2: t2 + }); + } + } + } + } + } + return res; + } + function pathIntersection(path1, path2) { + return interPathHelper(path1, path2); + } + function pathIntersectionNumber(path1, path2) { + return interPathHelper(path1, path2, 1); + } + function interPathHelper(path1, path2, justCount) { + path1 = path2curve(path1); + path2 = path2curve(path2); + var x1, y1, x2, y2, x1m, y1m, x2m, y2m, bez1, bez2, + res = justCount ? 0 : []; + for (var i = 0, ii = path1.length; i < ii; i++) { + var pi = path1[i]; + if (pi[0] == "M") { + x1 = x1m = pi[1]; + y1 = y1m = pi[2]; + } else { + if (pi[0] == "C") { + bez1 = [x1, y1].concat(pi.slice(1)); + x1 = bez1[6]; + y1 = bez1[7]; + } else { + bez1 = [x1, y1, x1, y1, x1m, y1m, x1m, y1m]; + x1 = x1m; + y1 = y1m; + } + for (var j = 0, jj = path2.length; j < jj; j++) { + var pj = path2[j]; + if (pj[0] == "M") { + x2 = x2m = pj[1]; + y2 = y2m = pj[2]; + } else { + if (pj[0] == "C") { + bez2 = [x2, y2].concat(pj.slice(1)); + x2 = bez2[6]; + y2 = bez2[7]; + } else { + bez2 = [x2, y2, x2, y2, x2m, y2m, x2m, y2m]; + x2 = x2m; + y2 = y2m; + } + var intr = interHelper(bez1, bez2, justCount); + if (justCount) { + res += intr; + } else { + for (var k = 0, kk = intr.length; k < kk; k++) { + intr[k].segment1 = i; + intr[k].segment2 = j; + intr[k].bez1 = bez1; + intr[k].bez2 = bez2; + } + res = res.concat(intr); + } + } + } + } + } + return res; + } + function isPointInsidePath(path, x, y) { + var bbox = pathBBox(path); + return isPointInsideBBox(bbox, x, y) && + interPathHelper(path, [["M", x, y], ["H", bbox.x2 + 10]], 1) % 2 == 1; + } + function pathBBox(path) { + var pth = paths(path); + if (pth.bbox) { + return clone(pth.bbox); + } + if (!path) { + return box(); + } + path = path2curve(path); + var x = 0, + y = 0, + X = [], + Y = [], + p; + for (var i = 0, ii = path.length; i < ii; i++) { + p = path[i]; + if (p[0] == "M") { + x = p[1]; + y = p[2]; + X.push(x); + Y.push(y); + } else { + var dim = curveDim(x, y, p[1], p[2], p[3], p[4], p[5], p[6]); + X = X.concat(dim.min.x, dim.max.x); + Y = Y.concat(dim.min.y, dim.max.y); + x = p[5]; + y = p[6]; + } + } + var xmin = mmin.apply(0, X), + ymin = mmin.apply(0, Y), + xmax = mmax.apply(0, X), + ymax = mmax.apply(0, Y), + bb = box(xmin, ymin, xmax - xmin, ymax - ymin); + pth.bbox = clone(bb); + return bb; + } + function rectPath(x, y, w, h, r) { + if (r) { + return [ + ["M", +x + (+r), y], + ["l", w - r * 2, 0], + ["a", r, r, 0, 0, 1, r, r], + ["l", 0, h - r * 2], + ["a", r, r, 0, 0, 1, -r, r], + ["l", r * 2 - w, 0], + ["a", r, r, 0, 0, 1, -r, -r], + ["l", 0, r * 2 - h], + ["a", r, r, 0, 0, 1, r, -r], + ["z"] + ]; + } + var res = [["M", x, y], ["l", w, 0], ["l", 0, h], ["l", -w, 0], ["z"]]; + res.toString = toString; + return res; + } + function ellipsePath(x, y, rx, ry, a) { + if (a == null && ry == null) { + ry = rx; + } + x = +x; + y = +y; + rx = +rx; + ry = +ry; + if (a != null) { + var rad = Math.PI / 180, + x1 = x + rx * Math.cos(-ry * rad), + x2 = x + rx * Math.cos(-a * rad), + y1 = y + rx * Math.sin(-ry * rad), + y2 = y + rx * Math.sin(-a * rad), + res = [["M", x1, y1], ["A", rx, rx, 0, +(a - ry > 180), 0, x2, y2]]; + } else { + res = [ + ["M", x, y], + ["m", 0, -ry], + ["a", rx, ry, 0, 1, 1, 0, 2 * ry], + ["a", rx, ry, 0, 1, 1, 0, -2 * ry], + ["z"] + ]; + } + res.toString = toString; + return res; + } + var unit2px = Snap._unit2px, + getPath = { + path: function (el) { + return el.attr("path"); + }, + circle: function (el) { + var attr = unit2px(el); + return ellipsePath(attr.cx, attr.cy, attr.r); + }, + ellipse: function (el) { + var attr = unit2px(el); + return ellipsePath(attr.cx || 0, attr.cy || 0, attr.rx, attr.ry); + }, + rect: function (el) { + var attr = unit2px(el); + return rectPath(attr.x || 0, attr.y || 0, attr.width, attr.height, attr.rx, attr.ry); + }, + image: function (el) { + var attr = unit2px(el); + return rectPath(attr.x || 0, attr.y || 0, attr.width, attr.height); + }, + line: function (el) { + return "M" + [el.attr("x1") || 0, el.attr("y1") || 0, el.attr("x2"), el.attr("y2")]; + }, + polyline: function (el) { + return "M" + el.attr("points"); + }, + polygon: function (el) { + return "M" + el.attr("points") + "z"; + }, + deflt: function (el) { + var bbox = el.node.getBBox(); + return rectPath(bbox.x, bbox.y, bbox.width, bbox.height); + } + }; + function pathToRelative(pathArray) { + var pth = paths(pathArray), + lowerCase = String.prototype.toLowerCase; + if (pth.rel) { + return pathClone(pth.rel); + } + if (!Snap.is(pathArray, "array") || !Snap.is(pathArray && pathArray[0], "array")) { + pathArray = Snap.parsePathString(pathArray); + } + var res = [], + x = 0, + y = 0, + mx = 0, + my = 0, + start = 0; + if (pathArray[0][0] == "M") { + x = pathArray[0][1]; + y = pathArray[0][2]; + mx = x; + my = y; + start++; + res.push(["M", x, y]); + } + for (var i = start, ii = pathArray.length; i < ii; i++) { + var r = res[i] = [], + pa = pathArray[i]; + if (pa[0] != lowerCase.call(pa[0])) { + r[0] = lowerCase.call(pa[0]); + switch (r[0]) { + case "a": + r[1] = pa[1]; + r[2] = pa[2]; + r[3] = pa[3]; + r[4] = pa[4]; + r[5] = pa[5]; + r[6] = +(pa[6] - x).toFixed(3); + r[7] = +(pa[7] - y).toFixed(3); + break; + case "v": + r[1] = +(pa[1] - y).toFixed(3); + break; + case "m": + mx = pa[1]; + my = pa[2]; + default: + for (var j = 1, jj = pa.length; j < jj; j++) { + r[j] = +(pa[j] - ((j % 2) ? x : y)).toFixed(3); + } + } + } else { + r = res[i] = []; + if (pa[0] == "m") { + mx = pa[1] + x; + my = pa[2] + y; + } + for (var k = 0, kk = pa.length; k < kk; k++) { + res[i][k] = pa[k]; + } + } + var len = res[i].length; + switch (res[i][0]) { + case "z": + x = mx; + y = my; + break; + case "h": + x += +res[i][len - 1]; + break; + case "v": + y += +res[i][len - 1]; + break; + default: + x += +res[i][len - 2]; + y += +res[i][len - 1]; + } + } + res.toString = toString; + pth.rel = pathClone(res); + return res; + } + function pathToAbsolute(pathArray) { + var pth = paths(pathArray); + if (pth.abs) { + return pathClone(pth.abs); + } + if (!is(pathArray, "array") || !is(pathArray && pathArray[0], "array")) { // rough assumption + pathArray = Snap.parsePathString(pathArray); + } + if (!pathArray || !pathArray.length) { + return [["M", 0, 0]]; + } + var res = [], + x = 0, + y = 0, + mx = 0, + my = 0, + start = 0, + pa0; + if (pathArray[0][0] == "M") { + x = +pathArray[0][1]; + y = +pathArray[0][2]; + mx = x; + my = y; + start++; + res[0] = ["M", x, y]; + } + var crz = pathArray.length == 3 && + pathArray[0][0] == "M" && + pathArray[1][0].toUpperCase() == "R" && + pathArray[2][0].toUpperCase() == "Z"; + for (var r, pa, i = start, ii = pathArray.length; i < ii; i++) { + res.push(r = []); + pa = pathArray[i]; + pa0 = pa[0]; + if (pa0 != pa0.toUpperCase()) { + r[0] = pa0.toUpperCase(); + switch (r[0]) { + case "A": + r[1] = pa[1]; + r[2] = pa[2]; + r[3] = pa[3]; + r[4] = pa[4]; + r[5] = pa[5]; + r[6] = +pa[6] + x; + r[7] = +pa[7] + y; + break; + case "V": + r[1] = +pa[1] + y; + break; + case "H": + r[1] = +pa[1] + x; + break; + case "R": + var dots = [x, y].concat(pa.slice(1)); + for (var j = 2, jj = dots.length; j < jj; j++) { + dots[j] = +dots[j] + x; + dots[++j] = +dots[j] + y; + } + res.pop(); + res = res.concat(catmullRom2bezier(dots, crz)); + break; + case "O": + res.pop(); + dots = ellipsePath(x, y, pa[1], pa[2]); + dots.push(dots[0]); + res = res.concat(dots); + break; + case "U": + res.pop(); + res = res.concat(ellipsePath(x, y, pa[1], pa[2], pa[3])); + r = ["U"].concat(res[res.length - 1].slice(-2)); + break; + case "M": + mx = +pa[1] + x; + my = +pa[2] + y; + default: + for (j = 1, jj = pa.length; j < jj; j++) { + r[j] = +pa[j] + ((j % 2) ? x : y); + } + } + } else if (pa0 == "R") { + dots = [x, y].concat(pa.slice(1)); + res.pop(); + res = res.concat(catmullRom2bezier(dots, crz)); + r = ["R"].concat(pa.slice(-2)); + } else if (pa0 == "O") { + res.pop(); + dots = ellipsePath(x, y, pa[1], pa[2]); + dots.push(dots[0]); + res = res.concat(dots); + } else if (pa0 == "U") { + res.pop(); + res = res.concat(ellipsePath(x, y, pa[1], pa[2], pa[3])); + r = ["U"].concat(res[res.length - 1].slice(-2)); + } else { + for (var k = 0, kk = pa.length; k < kk; k++) { + r[k] = pa[k]; + } + } + pa0 = pa0.toUpperCase(); + if (pa0 != "O") { + switch (r[0]) { + case "Z": + x = +mx; + y = +my; + break; + case "H": + x = r[1]; + break; + case "V": + y = r[1]; + break; + case "M": + mx = r[r.length - 2]; + my = r[r.length - 1]; + default: + x = r[r.length - 2]; + y = r[r.length - 1]; + } + } + } + res.toString = toString; + pth.abs = pathClone(res); + return res; + } + function l2c(x1, y1, x2, y2) { + return [x1, y1, x2, y2, x2, y2]; + } + function q2c(x1, y1, ax, ay, x2, y2) { + var _13 = 1 / 3, + _23 = 2 / 3; + return [ + _13 * x1 + _23 * ax, + _13 * y1 + _23 * ay, + _13 * x2 + _23 * ax, + _13 * y2 + _23 * ay, + x2, + y2 + ]; + } + function a2c(x1, y1, rx, ry, angle, large_arc_flag, sweep_flag, x2, y2, recursive) { + // for more information of where this math came from visit: + // http://www.w3.org/TR/SVG11/implnote.html#ArcImplementationNotes + var _120 = PI * 120 / 180, + rad = PI / 180 * (+angle || 0), + res = [], + xy, + rotate = Snap._.cacher(function (x, y, rad) { + var X = x * math.cos(rad) - y * math.sin(rad), + Y = x * math.sin(rad) + y * math.cos(rad); + return {x: X, y: Y}; + }); + if (!recursive) { + xy = rotate(x1, y1, -rad); + x1 = xy.x; + y1 = xy.y; + xy = rotate(x2, y2, -rad); + x2 = xy.x; + y2 = xy.y; + var cos = math.cos(PI / 180 * angle), + sin = math.sin(PI / 180 * angle), + x = (x1 - x2) / 2, + y = (y1 - y2) / 2; + var h = (x * x) / (rx * rx) + (y * y) / (ry * ry); + if (h > 1) { + h = math.sqrt(h); + rx = h * rx; + ry = h * ry; + } + var rx2 = rx * rx, + ry2 = ry * ry, + k = (large_arc_flag == sweep_flag ? -1 : 1) * + math.sqrt(abs((rx2 * ry2 - rx2 * y * y - ry2 * x * x) / (rx2 * y * y + ry2 * x * x))), + cx = k * rx * y / ry + (x1 + x2) / 2, + cy = k * -ry * x / rx + (y1 + y2) / 2, + f1 = math.asin(((y1 - cy) / ry).toFixed(9)), + f2 = math.asin(((y2 - cy) / ry).toFixed(9)); + + f1 = x1 < cx ? PI - f1 : f1; + f2 = x2 < cx ? PI - f2 : f2; + f1 < 0 && (f1 = PI * 2 + f1); + f2 < 0 && (f2 = PI * 2 + f2); + if (sweep_flag && f1 > f2) { + f1 = f1 - PI * 2; + } + if (!sweep_flag && f2 > f1) { + f2 = f2 - PI * 2; + } + } else { + f1 = recursive[0]; + f2 = recursive[1]; + cx = recursive[2]; + cy = recursive[3]; + } + var df = f2 - f1; + if (abs(df) > _120) { + var f2old = f2, + x2old = x2, + y2old = y2; + f2 = f1 + _120 * (sweep_flag && f2 > f1 ? 1 : -1); + x2 = cx + rx * math.cos(f2); + y2 = cy + ry * math.sin(f2); + res = a2c(x2, y2, rx, ry, angle, 0, sweep_flag, x2old, y2old, [f2, f2old, cx, cy]); + } + df = f2 - f1; + var c1 = math.cos(f1), + s1 = math.sin(f1), + c2 = math.cos(f2), + s2 = math.sin(f2), + t = math.tan(df / 4), + hx = 4 / 3 * rx * t, + hy = 4 / 3 * ry * t, + m1 = [x1, y1], + m2 = [x1 + hx * s1, y1 - hy * c1], + m3 = [x2 + hx * s2, y2 - hy * c2], + m4 = [x2, y2]; + m2[0] = 2 * m1[0] - m2[0]; + m2[1] = 2 * m1[1] - m2[1]; + if (recursive) { + return [m2, m3, m4].concat(res); + } else { + res = [m2, m3, m4].concat(res).join().split(","); + var newres = []; + for (var i = 0, ii = res.length; i < ii; i++) { + newres[i] = i % 2 ? rotate(res[i - 1], res[i], rad).y : rotate(res[i], res[i + 1], rad).x; + } + return newres; + } + } + function findDotAtSegment(p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y, t) { + var t1 = 1 - t; + return { + x: pow(t1, 3) * p1x + pow(t1, 2) * 3 * t * c1x + t1 * 3 * t * t * c2x + pow(t, 3) * p2x, + y: pow(t1, 3) * p1y + pow(t1, 2) * 3 * t * c1y + t1 * 3 * t * t * c2y + pow(t, 3) * p2y + }; + } + + // Returns bounding box of cubic bezier curve. + // Source: http://blog.hackers-cafe.net/2009/06/how-to-calculate-bezier-curves-bounding.html + // Original version: NISHIO Hirokazu + // Modifications: https://github.com/timo22345 + function curveDim(x0, y0, x1, y1, x2, y2, x3, y3) { + var tvalues = [], + bounds = [[], []], + a, b, c, t, t1, t2, b2ac, sqrtb2ac; + for (var i = 0; i < 2; ++i) { + if (i == 0) { + b = 6 * x0 - 12 * x1 + 6 * x2; + a = -3 * x0 + 9 * x1 - 9 * x2 + 3 * x3; + c = 3 * x1 - 3 * x0; + } else { + b = 6 * y0 - 12 * y1 + 6 * y2; + a = -3 * y0 + 9 * y1 - 9 * y2 + 3 * y3; + c = 3 * y1 - 3 * y0; + } + if (abs(a) < 1e-12) { + if (abs(b) < 1e-12) { + continue; + } + t = -c / b; + if (0 < t && t < 1) { + tvalues.push(t); + } + continue; + } + b2ac = b * b - 4 * c * a; + sqrtb2ac = math.sqrt(b2ac); + if (b2ac < 0) { + continue; + } + t1 = (-b + sqrtb2ac) / (2 * a); + if (0 < t1 && t1 < 1) { + tvalues.push(t1); + } + t2 = (-b - sqrtb2ac) / (2 * a); + if (0 < t2 && t2 < 1) { + tvalues.push(t2); + } + } + + var x, y, j = tvalues.length, + jlen = j, + mt; + while (j--) { + t = tvalues[j]; + mt = 1 - t; + bounds[0][j] = (mt * mt * mt * x0) + (3 * mt * mt * t * x1) + (3 * mt * t * t * x2) + (t * t * t * x3); + bounds[1][j] = (mt * mt * mt * y0) + (3 * mt * mt * t * y1) + (3 * mt * t * t * y2) + (t * t * t * y3); + } + + bounds[0][jlen] = x0; + bounds[1][jlen] = y0; + bounds[0][jlen + 1] = x3; + bounds[1][jlen + 1] = y3; + bounds[0].length = bounds[1].length = jlen + 2; + + + return { + min: {x: mmin.apply(0, bounds[0]), y: mmin.apply(0, bounds[1])}, + max: {x: mmax.apply(0, bounds[0]), y: mmax.apply(0, bounds[1])} + }; + } + + function path2curve(path, path2) { + var pth = !path2 && paths(path); + if (!path2 && pth.curve) { + return pathClone(pth.curve); + } + var p = pathToAbsolute(path), + p2 = path2 && pathToAbsolute(path2), + attrs = {x: 0, y: 0, bx: 0, by: 0, X: 0, Y: 0, qx: null, qy: null}, + attrs2 = {x: 0, y: 0, bx: 0, by: 0, X: 0, Y: 0, qx: null, qy: null}, + processPath = function (path, d, pcom) { + var nx, ny; + if (!path) { + return ["C", d.x, d.y, d.x, d.y, d.x, d.y]; + } + !(path[0] in {T: 1, Q: 1}) && (d.qx = d.qy = null); + switch (path[0]) { + case "M": + d.X = path[1]; + d.Y = path[2]; + break; + case "A": + path = ["C"].concat(a2c.apply(0, [d.x, d.y].concat(path.slice(1)))); + break; + case "S": + if (pcom == "C" || pcom == "S") { // In "S" case we have to take into account, if the previous command is C/S. + nx = d.x * 2 - d.bx; // And reflect the previous + ny = d.y * 2 - d.by; // command's control point relative to the current point. + } + else { // or some else or nothing + nx = d.x; + ny = d.y; + } + path = ["C", nx, ny].concat(path.slice(1)); + break; + case "T": + if (pcom == "Q" || pcom == "T") { // In "T" case we have to take into account, if the previous command is Q/T. + d.qx = d.x * 2 - d.qx; // And make a reflection similar + d.qy = d.y * 2 - d.qy; // to case "S". + } + else { // or something else or nothing + d.qx = d.x; + d.qy = d.y; + } + path = ["C"].concat(q2c(d.x, d.y, d.qx, d.qy, path[1], path[2])); + break; + case "Q": + d.qx = path[1]; + d.qy = path[2]; + path = ["C"].concat(q2c(d.x, d.y, path[1], path[2], path[3], path[4])); + break; + case "L": + path = ["C"].concat(l2c(d.x, d.y, path[1], path[2])); + break; + case "H": + path = ["C"].concat(l2c(d.x, d.y, path[1], d.y)); + break; + case "V": + path = ["C"].concat(l2c(d.x, d.y, d.x, path[1])); + break; + case "Z": + path = ["C"].concat(l2c(d.x, d.y, d.X, d.Y)); + break; + } + return path; + }, + fixArc = function (pp, i) { + if (pp[i].length > 7) { + pp[i].shift(); + var pi = pp[i]; + while (pi.length) { + pcoms1[i] = "A"; // if created multiple C:s, their original seg is saved + p2 && (pcoms2[i] = "A"); // the same as above + pp.splice(i++, 0, ["C"].concat(pi.splice(0, 6))); + } + pp.splice(i, 1); + ii = mmax(p.length, p2 && p2.length || 0); + } + }, + fixM = function (path1, path2, a1, a2, i) { + if (path1 && path2 && path1[i][0] == "M" && path2[i][0] != "M") { + path2.splice(i, 0, ["M", a2.x, a2.y]); + a1.bx = 0; + a1.by = 0; + a1.x = path1[i][1]; + a1.y = path1[i][2]; + ii = mmax(p.length, p2 && p2.length || 0); + } + }, + pcoms1 = [], // path commands of original path p + pcoms2 = [], // path commands of original path p2 + pfirst = "", // temporary holder for original path command + pcom = ""; // holder for previous path command of original path + for (var i = 0, ii = mmax(p.length, p2 && p2.length || 0); i < ii; i++) { + p[i] && (pfirst = p[i][0]); // save current path command + + if (pfirst != "C") // C is not saved yet, because it may be result of conversion + { + pcoms1[i] = pfirst; // Save current path command + i && ( pcom = pcoms1[i - 1]); // Get previous path command pcom + } + p[i] = processPath(p[i], attrs, pcom); // Previous path command is inputted to processPath + + if (pcoms1[i] != "A" && pfirst == "C") pcoms1[i] = "C"; // A is the only command + // which may produce multiple C:s + // so we have to make sure that C is also C in original path + + fixArc(p, i); // fixArc adds also the right amount of A:s to pcoms1 + + if (p2) { // the same procedures is done to p2 + p2[i] && (pfirst = p2[i][0]); + if (pfirst != "C") { + pcoms2[i] = pfirst; + i && (pcom = pcoms2[i - 1]); + } + p2[i] = processPath(p2[i], attrs2, pcom); + + if (pcoms2[i] != "A" && pfirst == "C") { + pcoms2[i] = "C"; + } + + fixArc(p2, i); + } + fixM(p, p2, attrs, attrs2, i); + fixM(p2, p, attrs2, attrs, i); + var seg = p[i], + seg2 = p2 && p2[i], + seglen = seg.length, + seg2len = p2 && seg2.length; + attrs.x = seg[seglen - 2]; + attrs.y = seg[seglen - 1]; + attrs.bx = toFloat(seg[seglen - 4]) || attrs.x; + attrs.by = toFloat(seg[seglen - 3]) || attrs.y; + attrs2.bx = p2 && (toFloat(seg2[seg2len - 4]) || attrs2.x); + attrs2.by = p2 && (toFloat(seg2[seg2len - 3]) || attrs2.y); + attrs2.x = p2 && seg2[seg2len - 2]; + attrs2.y = p2 && seg2[seg2len - 1]; + } + if (!p2) { + pth.curve = pathClone(p); + } + return p2 ? [p, p2] : p; + } + function mapPath(path, matrix) { + if (!matrix) { + return path; + } + var x, y, i, j, ii, jj, pathi; + path = path2curve(path); + for (i = 0, ii = path.length; i < ii; i++) { + pathi = path[i]; + for (j = 1, jj = pathi.length; j < jj; j += 2) { + x = matrix.x(pathi[j], pathi[j + 1]); + y = matrix.y(pathi[j], pathi[j + 1]); + pathi[j] = x; + pathi[j + 1] = y; + } + } + return path; + } + + // http://schepers.cc/getting-to-the-point + function catmullRom2bezier(crp, z) { + var d = []; + for (var i = 0, iLen = crp.length; iLen - 2 * !z > i; i += 2) { + var p = [ + {x: +crp[i - 2], y: +crp[i - 1]}, + {x: +crp[i], y: +crp[i + 1]}, + {x: +crp[i + 2], y: +crp[i + 3]}, + {x: +crp[i + 4], y: +crp[i + 5]} + ]; + if (z) { + if (!i) { + p[0] = {x: +crp[iLen - 2], y: +crp[iLen - 1]}; + } else if (iLen - 4 == i) { + p[3] = {x: +crp[0], y: +crp[1]}; + } else if (iLen - 2 == i) { + p[2] = {x: +crp[0], y: +crp[1]}; + p[3] = {x: +crp[2], y: +crp[3]}; + } + } else { + if (iLen - 4 == i) { + p[3] = p[2]; + } else if (!i) { + p[0] = {x: +crp[i], y: +crp[i + 1]}; + } + } + d.push(["C", + (-p[0].x + 6 * p[1].x + p[2].x) / 6, + (-p[0].y + 6 * p[1].y + p[2].y) / 6, + (p[1].x + 6 * p[2].x - p[3].x) / 6, + (p[1].y + 6*p[2].y - p[3].y) / 6, + p[2].x, + p[2].y + ]); + } + + return d; + } + + // export + Snap.path = paths; + + /*\ + * Snap.path.getTotalLength + [ method ] + ** + * Returns the length of the given path in pixels + ** + - path (string) SVG path string + ** + = (number) length + \*/ + Snap.path.getTotalLength = getTotalLength; + /*\ + * Snap.path.getPointAtLength + [ method ] + ** + * Returns the coordinates of the point located at the given length along the given path + ** + - path (string) SVG path string + - length (number) length, in pixels, from the start of the path, excluding non-rendering jumps + ** + = (object) representation of the point: + o { + o x: (number) x coordinate, + o y: (number) y coordinate, + o alpha: (number) angle of derivative + o } + \*/ + Snap.path.getPointAtLength = getPointAtLength; + /*\ + * Snap.path.getSubpath + [ method ] + ** + * Returns the subpath of a given path between given start and end lengths + ** + - path (string) SVG path string + - from (number) length, in pixels, from the start of the path to the start of the segment + - to (number) length, in pixels, from the start of the path to the end of the segment + ** + = (string) path string definition for the segment + \*/ + Snap.path.getSubpath = function (path, from, to) { + if (this.getTotalLength(path) - to < 1e-6) { + return getSubpathsAtLength(path, from).end; + } + var a = getSubpathsAtLength(path, to, 1); + return from ? getSubpathsAtLength(a, from).end : a; + }; + /*\ + * Element.getTotalLength + [ method ] + ** + * Returns the length of the path in pixels (only works for `path` elements) + = (number) length + \*/ + elproto.getTotalLength = function () { + if (this.node.getTotalLength) { + return this.node.getTotalLength(); + } + }; + // SIERRA Element.getPointAtLength()/Element.getTotalLength(): If a <path> is broken into different segments, is the jump distance to the new coordinates set by the _M_ or _m_ commands calculated as part of the path's total length? + /*\ + * Element.getPointAtLength + [ method ] + ** + * Returns coordinates of the point located at the given length on the given path (only works for `path` elements) + ** + - length (number) length, in pixels, from the start of the path, excluding non-rendering jumps + ** + = (object) representation of the point: + o { + o x: (number) x coordinate, + o y: (number) y coordinate, + o alpha: (number) angle of derivative + o } + \*/ + elproto.getPointAtLength = function (length) { + return getPointAtLength(this.attr("d"), length); + }; + // SIERRA Element.getSubpath(): Similar to the problem for Element.getPointAtLength(). Unclear how this would work for a segmented path. Overall, the concept of _subpath_ and what I'm calling a _segment_ (series of non-_M_ or _Z_ commands) is unclear. + /*\ + * Element.getSubpath + [ method ] + ** + * Returns subpath of a given element from given start and end lengths (only works for `path` elements) + ** + - from (number) length, in pixels, from the start of the path to the start of the segment + - to (number) length, in pixels, from the start of the path to the end of the segment + ** + = (string) path string definition for the segment + \*/ + elproto.getSubpath = function (from, to) { + return Snap.path.getSubpath(this.attr("d"), from, to); + }; + Snap._.box = box; + /*\ + * Snap.path.findDotsAtSegment + [ method ] + ** + * Utility method + ** + * Finds dot coordinates on the given cubic beziér curve at the given t + - p1x (number) x of the first point of the curve + - p1y (number) y of the first point of the curve + - c1x (number) x of the first anchor of the curve + - c1y (number) y of the first anchor of the curve + - c2x (number) x of the second anchor of the curve + - c2y (number) y of the second anchor of the curve + - p2x (number) x of the second point of the curve + - p2y (number) y of the second point of the curve + - t (number) position on the curve (0..1) + = (object) point information in format: + o { + o x: (number) x coordinate of the point, + o y: (number) y coordinate of the point, + o m: { + o x: (number) x coordinate of the left anchor, + o y: (number) y coordinate of the left anchor + o }, + o n: { + o x: (number) x coordinate of the right anchor, + o y: (number) y coordinate of the right anchor + o }, + o start: { + o x: (number) x coordinate of the start of the curve, + o y: (number) y coordinate of the start of the curve + o }, + o end: { + o x: (number) x coordinate of the end of the curve, + o y: (number) y coordinate of the end of the curve + o }, + o alpha: (number) angle of the curve derivative at the point + o } + \*/ + Snap.path.findDotsAtSegment = findDotsAtSegment; + /*\ + * Snap.path.bezierBBox + [ method ] + ** + * Utility method + ** + * Returns the bounding box of a given cubic beziér curve + - p1x (number) x of the first point of the curve + - p1y (number) y of the first point of the curve + - c1x (number) x of the first anchor of the curve + - c1y (number) y of the first anchor of the curve + - c2x (number) x of the second anchor of the curve + - c2y (number) y of the second anchor of the curve + - p2x (number) x of the second point of the curve + - p2y (number) y of the second point of the curve + * or + - bez (array) array of six points for beziér curve + = (object) bounding box + o { + o x: (number) x coordinate of the left top point of the box, + o y: (number) y coordinate of the left top point of the box, + o x2: (number) x coordinate of the right bottom point of the box, + o y2: (number) y coordinate of the right bottom point of the box, + o width: (number) width of the box, + o height: (number) height of the box + o } + \*/ + Snap.path.bezierBBox = bezierBBox; + /*\ + * Snap.path.isPointInsideBBox + [ method ] + ** + * Utility method + ** + * Returns `true` if given point is inside bounding box + - bbox (string) bounding box + - x (string) x coordinate of the point + - y (string) y coordinate of the point + = (boolean) `true` if point is inside + \*/ + Snap.path.isPointInsideBBox = isPointInsideBBox; + Snap.closest = function (x, y, X, Y) { + var r = 100, + b = box(x - r / 2, y - r / 2, r, r), + inside = [], + getter = X[0].hasOwnProperty("x") ? function (i) { + return { + x: X[i].x, + y: X[i].y + }; + } : function (i) { + return { + x: X[i], + y: Y[i] + }; + }, + found = 0; + while (r <= 1e6 && !found) { + for (var i = 0, ii = X.length; i < ii; i++) { + var xy = getter(i); + if (isPointInsideBBox(b, xy.x, xy.y)) { + found++; + inside.push(xy); + break; + } + } + if (!found) { + r *= 2; + b = box(x - r / 2, y - r / 2, r, r) + } + } + if (r == 1e6) { + return; + } + var len = Infinity, + res; + for (i = 0, ii = inside.length; i < ii; i++) { + var l = Snap.len(x, y, inside[i].x, inside[i].y); + if (len > l) { + len = l; + inside[i].len = l; + res = inside[i]; + } + } + return res; + }; + /*\ + * Snap.path.isBBoxIntersect + [ method ] + ** + * Utility method + ** + * Returns `true` if two bounding boxes intersect + - bbox1 (string) first bounding box + - bbox2 (string) second bounding box + = (boolean) `true` if bounding boxes intersect + \*/ + Snap.path.isBBoxIntersect = isBBoxIntersect; + /*\ + * Snap.path.intersection + [ method ] + ** + * Utility method + ** + * Finds intersections of two paths + - path1 (string) path string + - path2 (string) path string + = (array) dots of intersection + o [ + o { + o x: (number) x coordinate of the point, + o y: (number) y coordinate of the point, + o t1: (number) t value for segment of path1, + o t2: (number) t value for segment of path2, + o segment1: (number) order number for segment of path1, + o segment2: (number) order number for segment of path2, + o bez1: (array) eight coordinates representing beziér curve for the segment of path1, + o bez2: (array) eight coordinates representing beziér curve for the segment of path2 + o } + o ] + \*/ + Snap.path.intersection = pathIntersection; + Snap.path.intersectionNumber = pathIntersectionNumber; + /*\ + * Snap.path.isPointInside + [ method ] + ** + * Utility method + ** + * Returns `true` if given point is inside a given closed path. + * + * Note: fill mode doesn’t affect the result of this method. + - path (string) path string + - x (number) x of the point + - y (number) y of the point + = (boolean) `true` if point is inside the path + \*/ + Snap.path.isPointInside = isPointInsidePath; + /*\ + * Snap.path.getBBox + [ method ] + ** + * Utility method + ** + * Returns the bounding box of a given path + - path (string) path string + = (object) bounding box + o { + o x: (number) x coordinate of the left top point of the box, + o y: (number) y coordinate of the left top point of the box, + o x2: (number) x coordinate of the right bottom point of the box, + o y2: (number) y coordinate of the right bottom point of the box, + o width: (number) width of the box, + o height: (number) height of the box + o } + \*/ + Snap.path.getBBox = pathBBox; + Snap.path.get = getPath; + /*\ + * Snap.path.toRelative + [ method ] + ** + * Utility method + ** + * Converts path coordinates into relative values + - path (string) path string + = (array) path string + \*/ + Snap.path.toRelative = pathToRelative; + /*\ + * Snap.path.toAbsolute + [ method ] + ** + * Utility method + ** + * Converts path coordinates into absolute values + - path (string) path string + = (array) path string + \*/ + Snap.path.toAbsolute = pathToAbsolute; + /*\ + * Snap.path.toCubic + [ method ] + ** + * Utility method + ** + * Converts path to a new path where all segments are cubic beziér curves + - pathString (string|array) path string or array of segments + = (array) array of segments + \*/ + Snap.path.toCubic = path2curve; + /*\ + * Snap.path.map + [ method ] + ** + * Transform the path string with the given matrix + - path (string) path string + - matrix (object) see @Matrix + = (string) transformed path string + \*/ + Snap.path.map = mapPath; + Snap.path.toString = toString; + Snap.path.clone = pathClone; +}); + +// Copyright (c) 2013 Adobe Systems Incorporated. All rights reserved. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. +Snap.plugin(function (Snap, Element, Paper, glob) { + var mmax = Math.max, + mmin = Math.min; + + // Set + var Set = function (items) { + this.items = []; + this.bindings = {}; + this.length = 0; + this.type = "set"; + if (items) { + for (var i = 0, ii = items.length; i < ii; i++) { + if (items[i]) { + this[this.items.length] = this.items[this.items.length] = items[i]; + this.length++; + } + } + } + }, + setproto = Set.prototype; + /*\ + * Set.push + [ method ] + ** + * Adds each argument to the current set + = (object) original element + \*/ + setproto.push = function () { + var item, + len; + for (var i = 0, ii = arguments.length; i < ii; i++) { + item = arguments[i]; + if (item) { + len = this.items.length; + this[len] = this.items[len] = item; + this.length++; + } + } + return this; + }; + /*\ + * Set.pop + [ method ] + ** + * Removes last element and returns it + = (object) element + \*/ + setproto.pop = function () { + this.length && delete this[this.length--]; + return this.items.pop(); + }; + /*\ + * Set.forEach + [ method ] + ** + * Executes given function for each element in the set + * + * If the function returns `false`, the loop stops running. + ** + - callback (function) function to run + - thisArg (object) context object for the callback + = (object) Set object + \*/ + setproto.forEach = function (callback, thisArg) { + for (var i = 0, ii = this.items.length; i < ii; i++) { + if (callback.call(thisArg, this.items[i], i) === false) { + return this; + } + } + return this; + }; + /*\ + * Set.animate + [ method ] + ** + * Animates each element in set in sync. + * + ** + - attrs (object) key-value pairs of destination attributes + - duration (number) duration of the animation in milliseconds + - easing (function) #optional easing function from @mina or custom + - callback (function) #optional callback function that executes when the animation ends + * or + - animation (array) array of animation parameter for each element in set in format `[attrs, duration, easing, callback]` + > Usage + | // animate all elements in set to radius 10 + | set.animate({r: 10}, 500, mina.easein); + | // or + | // animate first element to radius 10, but second to radius 20 and in different time + | set.animate([{r: 10}, 500, mina.easein], [{r: 20}, 1500, mina.easein]); + = (Element) the current element + \*/ + setproto.animate = function (attrs, ms, easing, callback) { + if (typeof easing == "function" && !easing.length) { + callback = easing; + easing = mina.linear; + } + if (attrs instanceof Snap._.Animation) { + callback = attrs.callback; + easing = attrs.easing; + ms = easing.dur; + attrs = attrs.attr; + } + var args = arguments; + if (Snap.is(attrs, "array") && Snap.is(args[args.length - 1], "array")) { + var each = true; + } + var begin, + handler = function () { + if (begin) { + this.b = begin; + } else { + begin = this.b; + } + }, + cb = 0, + set = this, + callbacker = callback && function () { + if (++cb == set.length) { + callback.call(this); + } + }; + return this.forEach(function (el, i) { + eve.once("snap.animcreated." + el.id, handler); + if (each) { + args[i] && el.animate.apply(el, args[i]); + } else { + el.animate(attrs, ms, easing, callbacker); + } + }); + }; + setproto.remove = function () { + while (this.length) { + this.pop().remove(); + } + return this; + }; + /*\ + * Set.bind + [ method ] + ** + * Specifies how to handle a specific attribute when applied + * to a set. + * + ** + - attr (string) attribute name + - callback (function) function to run + * or + - attr (string) attribute name + - element (Element) specific element in the set to apply the attribute to + * or + - attr (string) attribute name + - element (Element) specific element in the set to apply the attribute to + - eattr (string) attribute on the element to bind the attribute to + = (object) Set object + \*/ + setproto.bind = function (attr, a, b) { + var data = {}; + if (typeof a == "function") { + this.bindings[attr] = a; + } else { + var aname = b || attr; + this.bindings[attr] = function (v) { + data[aname] = v; + a.attr(data); + }; + } + return this; + }; + setproto.attr = function (value) { + var unbound = {}; + for (var k in value) { + if (this.bindings[k]) { + this.bindings[k](value[k]); + } else { + unbound[k] = value[k]; + } + } + for (var i = 0, ii = this.items.length; i < ii; i++) { + this.items[i].attr(unbound); + } + return this; + }; + /*\ + * Set.clear + [ method ] + ** + * Removes all elements from the set + \*/ + setproto.clear = function () { + while (this.length) { + this.pop(); + } + }; + /*\ + * Set.splice + [ method ] + ** + * Removes range of elements from the set + ** + - index (number) position of the deletion + - count (number) number of element to remove + - insertion… (object) #optional elements to insert + = (object) set elements that were deleted + \*/ + setproto.splice = function (index, count, insertion) { + index = index < 0 ? mmax(this.length + index, 0) : index; + count = mmax(0, mmin(this.length - index, count)); + var tail = [], + todel = [], + args = [], + i; + for (i = 2; i < arguments.length; i++) { + args.push(arguments[i]); + } + for (i = 0; i < count; i++) { + todel.push(this[index + i]); + } + for (; i < this.length - index; i++) { + tail.push(this[index + i]); + } + var arglen = args.length; + for (i = 0; i < arglen + tail.length; i++) { + this.items[index + i] = this[index + i] = i < arglen ? args[i] : tail[i - arglen]; + } + i = this.items.length = this.length -= count - arglen; + while (this[i]) { + delete this[i++]; + } + return new Set(todel); + }; + /*\ + * Set.exclude + [ method ] + ** + * Removes given element from the set + ** + - element (object) element to remove + = (boolean) `true` if object was found and removed from the set + \*/ + setproto.exclude = function (el) { + for (var i = 0, ii = this.length; i < ii; i++) if (this[i] == el) { + this.splice(i, 1); + return true; + } + return false; + }; + setproto.insertAfter = function (el) { + var i = this.items.length; + while (i--) { + this.items[i].insertAfter(el); + } + return this; + }; + setproto.getBBox = function () { + var x = [], + y = [], + x2 = [], + y2 = []; + for (var i = this.items.length; i--;) if (!this.items[i].removed) { + var box = this.items[i].getBBox(); + x.push(box.x); + y.push(box.y); + x2.push(box.x + box.width); + y2.push(box.y + box.height); + } + x = mmin.apply(0, x); + y = mmin.apply(0, y); + x2 = mmax.apply(0, x2); + y2 = mmax.apply(0, y2); + return { + x: x, + y: y, + x2: x2, + y2: y2, + width: x2 - x, + height: y2 - y, + cx: x + (x2 - x) / 2, + cy: y + (y2 - y) / 2 + }; + }; + setproto.clone = function (s) { + s = new Set; + for (var i = 0, ii = this.items.length; i < ii; i++) { + s.push(this.items[i].clone()); + } + return s; + }; + setproto.toString = function () { + return "Snap\u2018s set"; + }; + setproto.type = "set"; + // export + Snap.Set = Set; + Snap.set = function () { + var set = new Set; + if (arguments.length) { + set.push.apply(set, Array.prototype.slice.call(arguments, 0)); + } + return set; + }; +}); + +// Copyright (c) 2013 Adobe Systems Incorporated. All rights reserved. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. +Snap.plugin(function (Snap, Element, Paper, glob) { + var names = {}, + reUnit = /[a-z]+$/i, + Str = String; + names.stroke = names.fill = "colour"; + function getEmpty(item) { + var l = item[0]; + switch (l.toLowerCase()) { + case "t": return [l, 0, 0]; + case "m": return [l, 1, 0, 0, 1, 0, 0]; + case "r": if (item.length == 4) { + return [l, 0, item[2], item[3]]; + } else { + return [l, 0]; + } + case "s": if (item.length == 5) { + return [l, 1, 1, item[3], item[4]]; + } else if (item.length == 3) { + return [l, 1, 1]; + } else { + return [l, 1]; + } + } + } + function equaliseTransform(t1, t2, getBBox) { + t2 = Str(t2).replace(/\.{3}|\u2026/g, t1); + t1 = Snap.parseTransformString(t1) || []; + t2 = Snap.parseTransformString(t2) || []; + var maxlength = Math.max(t1.length, t2.length), + from = [], + to = [], + i = 0, j, jj, + tt1, tt2; + for (; i < maxlength; i++) { + tt1 = t1[i] || getEmpty(t2[i]); + tt2 = t2[i] || getEmpty(tt1); + if ((tt1[0] != tt2[0]) || + (tt1[0].toLowerCase() == "r" && (tt1[2] != tt2[2] || tt1[3] != tt2[3])) || + (tt1[0].toLowerCase() == "s" && (tt1[3] != tt2[3] || tt1[4] != tt2[4])) + ) { + t1 = Snap._.transform2matrix(t1, getBBox()); + t2 = Snap._.transform2matrix(t2, getBBox()); + from = [["m", t1.a, t1.b, t1.c, t1.d, t1.e, t1.f]]; + to = [["m", t2.a, t2.b, t2.c, t2.d, t2.e, t2.f]]; + break; + } + from[i] = []; + to[i] = []; + for (j = 0, jj = Math.max(tt1.length, tt2.length); j < jj; j++) { + j in tt1 && (from[i][j] = tt1[j]); + j in tt2 && (to[i][j] = tt2[j]); + } + } + return { + from: path2array(from), + to: path2array(to), + f: getPath(from) + }; + } + function getNumber(val) { + return val; + } + function getUnit(unit) { + return function (val) { + return +val.toFixed(3) + unit; + }; + } + function getViewBox(val) { + return val.join(" "); + } + function getColour(clr) { + return Snap.rgb(clr[0], clr[1], clr[2]); + } + function getPath(path) { + var k = 0, i, ii, j, jj, out, a, b = []; + for (i = 0, ii = path.length; i < ii; i++) { + out = "["; + a = ['"' + path[i][0] + '"']; + for (j = 1, jj = path[i].length; j < jj; j++) { + a[j] = "val[" + (k++) + "]"; + } + out += a + "]"; + b[i] = out; + } + return Function("val", "return Snap.path.toString.call([" + b + "])"); + } + function path2array(path) { + var out = []; + for (var i = 0, ii = path.length; i < ii; i++) { + for (var j = 1, jj = path[i].length; j < jj; j++) { + out.push(path[i][j]); + } + } + return out; + } + function isNumeric(obj) { + return isFinite(parseFloat(obj)); + } + function arrayEqual(arr1, arr2) { + if (!Snap.is(arr1, "array") || !Snap.is(arr2, "array")) { + return false; + } + return arr1.toString() == arr2.toString(); + } + Element.prototype.equal = function (name, b) { + return eve("snap.util.equal", this, name, b).firstDefined(); + }; + eve.on("snap.util.equal", function (name, b) { + var A, B, a = Str(this.attr(name) || ""), + el = this; + if (isNumeric(a) && isNumeric(b)) { + return { + from: parseFloat(a), + to: parseFloat(b), + f: getNumber + }; + } + if (names[name] == "colour") { + A = Snap.color(a); + B = Snap.color(b); + return { + from: [A.r, A.g, A.b, A.opacity], + to: [B.r, B.g, B.b, B.opacity], + f: getColour + }; + } + if (name == "viewBox") { + A = this.attr(name).vb.split(" ").map(Number); + B = b.split(" ").map(Number); + return { + from: A, + to: B, + f: getViewBox + }; + } + if (name == "transform" || name == "gradientTransform" || name == "patternTransform") { + if (b instanceof Snap.Matrix) { + b = b.toTransformString(); + } + if (!Snap._.rgTransform.test(b)) { + b = Snap._.svgTransform2string(b); + } + return equaliseTransform(a, b, function () { + return el.getBBox(1); + }); + } + if (name == "d" || name == "path") { + A = Snap.path.toCubic(a, b); + return { + from: path2array(A[0]), + to: path2array(A[1]), + f: getPath(A[0]) + }; + } + if (name == "points") { + A = Str(a).split(Snap._.separator); + B = Str(b).split(Snap._.separator); + return { + from: A, + to: B, + f: function (val) { return val; } + }; + } + var aUnit = a.match(reUnit), + bUnit = Str(b).match(reUnit); + if (aUnit && arrayEqual(aUnit, bUnit)) { + return { + from: parseFloat(a), + to: parseFloat(b), + f: getUnit(aUnit) + }; + } else { + return { + from: this.asPX(name), + to: this.asPX(name, b), + f: getNumber + }; + } + }); +}); + +// Copyright (c) 2013 Adobe Systems Incorporated. All rights reserved. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. +Snap.plugin(function (Snap, Element, Paper, glob) { + var elproto = Element.prototype, + has = "hasOwnProperty", + supportsTouch = "createTouch" in glob.doc, + events = [ + "click", "dblclick", "mousedown", "mousemove", "mouseout", + "mouseover", "mouseup", "touchstart", "touchmove", "touchend", + "touchcancel" + ], + touchMap = { + mousedown: "touchstart", + mousemove: "touchmove", + mouseup: "touchend" + }, + getScroll = function (xy, el) { + var name = xy == "y" ? "scrollTop" : "scrollLeft", + doc = el && el.node ? el.node.ownerDocument : glob.doc; + return doc[name in doc.documentElement ? "documentElement" : "body"][name]; + }, + preventDefault = function () { + this.returnValue = false; + }, + preventTouch = function () { + return this.originalEvent.preventDefault(); + }, + stopPropagation = function () { + this.cancelBubble = true; + }, + stopTouch = function () { + return this.originalEvent.stopPropagation(); + }, + addEvent = function (obj, type, fn, element) { + var realName = supportsTouch && touchMap[type] ? touchMap[type] : type, + f = function (e) { + var scrollY = getScroll("y", element), + scrollX = getScroll("x", element); + if (supportsTouch && touchMap[has](type)) { + for (var i = 0, ii = e.targetTouches && e.targetTouches.length; i < ii; i++) { + if (e.targetTouches[i].target == obj || obj.contains(e.targetTouches[i].target)) { + var olde = e; + e = e.targetTouches[i]; + e.originalEvent = olde; + e.preventDefault = preventTouch; + e.stopPropagation = stopTouch; + break; + } + } + } + var x = e.clientX + scrollX, + y = e.clientY + scrollY; + return fn.call(element, e, x, y); + }; + + if (type !== realName) { + obj.addEventListener(type, f, false); + } + + obj.addEventListener(realName, f, false); + + return function () { + if (type !== realName) { + obj.removeEventListener(type, f, false); + } + + obj.removeEventListener(realName, f, false); + return true; + }; + }, + drag = [], + dragMove = function (e) { + var x = e.clientX, + y = e.clientY, + scrollY = getScroll("y"), + scrollX = getScroll("x"), + dragi, + j = drag.length; + while (j--) { + dragi = drag[j]; + if (supportsTouch) { + var i = e.touches && e.touches.length, + touch; + while (i--) { + touch = e.touches[i]; + if (touch.identifier == dragi.el._drag.id || dragi.el.node.contains(touch.target)) { + x = touch.clientX; + y = touch.clientY; + (e.originalEvent ? e.originalEvent : e).preventDefault(); + break; + } + } + } else { + e.preventDefault(); + } + var node = dragi.el.node, + o, + next = node.nextSibling, + parent = node.parentNode, + display = node.style.display; + // glob.win.opera && parent.removeChild(node); + // node.style.display = "none"; + // o = dragi.el.paper.getElementByPoint(x, y); + // node.style.display = display; + // glob.win.opera && (next ? parent.insertBefore(node, next) : parent.appendChild(node)); + // o && eve("snap.drag.over." + dragi.el.id, dragi.el, o); + x += scrollX; + y += scrollY; + eve("snap.drag.move." + dragi.el.id, dragi.move_scope || dragi.el, x - dragi.el._drag.x, y - dragi.el._drag.y, x, y, e); + } + }, + dragUp = function (e) { + Snap.unmousemove(dragMove).unmouseup(dragUp); + var i = drag.length, + dragi; + while (i--) { + dragi = drag[i]; + dragi.el._drag = {}; + eve("snap.drag.end." + dragi.el.id, dragi.end_scope || dragi.start_scope || dragi.move_scope || dragi.el, e); + eve.off("snap.drag.*." + dragi.el.id); + } + drag = []; + }; + /*\ + * Element.click + [ method ] + ** + * Adds a click event handler to the element + - handler (function) handler for the event + = (object) @Element + \*/ + /*\ + * Element.unclick + [ method ] + ** + * Removes a click event handler from the element + - handler (function) handler for the event + = (object) @Element + \*/ + + /*\ + * Element.dblclick + [ method ] + ** + * Adds a double click event handler to the element + - handler (function) handler for the event + = (object) @Element + \*/ + /*\ + * Element.undblclick + [ method ] + ** + * Removes a double click event handler from the element + - handler (function) handler for the event + = (object) @Element + \*/ + + /*\ + * Element.mousedown + [ method ] + ** + * Adds a mousedown event handler to the element + - handler (function) handler for the event + = (object) @Element + \*/ + /*\ + * Element.unmousedown + [ method ] + ** + * Removes a mousedown event handler from the element + - handler (function) handler for the event + = (object) @Element + \*/ + + /*\ + * Element.mousemove + [ method ] + ** + * Adds a mousemove event handler to the element + - handler (function) handler for the event + = (object) @Element + \*/ + /*\ + * Element.unmousemove + [ method ] + ** + * Removes a mousemove event handler from the element + - handler (function) handler for the event + = (object) @Element + \*/ + + /*\ + * Element.mouseout + [ method ] + ** + * Adds a mouseout event handler to the element + - handler (function) handler for the event + = (object) @Element + \*/ + /*\ + * Element.unmouseout + [ method ] + ** + * Removes a mouseout event handler from the element + - handler (function) handler for the event + = (object) @Element + \*/ + + /*\ + * Element.mouseover + [ method ] + ** + * Adds a mouseover event handler to the element + - handler (function) handler for the event + = (object) @Element + \*/ + /*\ + * Element.unmouseover + [ method ] + ** + * Removes a mouseover event handler from the element + - handler (function) handler for the event + = (object) @Element + \*/ + + /*\ + * Element.mouseup + [ method ] + ** + * Adds a mouseup event handler to the element + - handler (function) handler for the event + = (object) @Element + \*/ + /*\ + * Element.unmouseup + [ method ] + ** + * Removes a mouseup event handler from the element + - handler (function) handler for the event + = (object) @Element + \*/ + + /*\ + * Element.touchstart + [ method ] + ** + * Adds a touchstart event handler to the element + - handler (function) handler for the event + = (object) @Element + \*/ + /*\ + * Element.untouchstart + [ method ] + ** + * Removes a touchstart event handler from the element + - handler (function) handler for the event + = (object) @Element + \*/ + + /*\ + * Element.touchmove + [ method ] + ** + * Adds a touchmove event handler to the element + - handler (function) handler for the event + = (object) @Element + \*/ + /*\ + * Element.untouchmove + [ method ] + ** + * Removes a touchmove event handler from the element + - handler (function) handler for the event + = (object) @Element + \*/ + + /*\ + * Element.touchend + [ method ] + ** + * Adds a touchend event handler to the element + - handler (function) handler for the event + = (object) @Element + \*/ + /*\ + * Element.untouchend + [ method ] + ** + * Removes a touchend event handler from the element + - handler (function) handler for the event + = (object) @Element + \*/ + + /*\ + * Element.touchcancel + [ method ] + ** + * Adds a touchcancel event handler to the element + - handler (function) handler for the event + = (object) @Element + \*/ + /*\ + * Element.untouchcancel + [ method ] + ** + * Removes a touchcancel event handler from the element + - handler (function) handler for the event + = (object) @Element + \*/ + for (var i = events.length; i--;) { + (function (eventName) { + Snap[eventName] = elproto[eventName] = function (fn, scope) { + if (Snap.is(fn, "function")) { + this.events = this.events || []; + this.events.push({ + name: eventName, + f: fn, + unbind: addEvent(this.node || document, eventName, fn, scope || this) + }); + } else { + for (var i = 0, ii = this.events.length; i < ii; i++) if (this.events[i].name == eventName) { + try { + this.events[i].f.call(this); + } catch (e) {} + } + } + return this; + }; + Snap["un" + eventName] = + elproto["un" + eventName] = function (fn) { + var events = this.events || [], + l = events.length; + while (l--) if (events[l].name == eventName && + (events[l].f == fn || !fn)) { + events[l].unbind(); + events.splice(l, 1); + !events.length && delete this.events; + return this; + } + return this; + }; + })(events[i]); + } + /*\ + * Element.hover + [ method ] + ** + * Adds hover event handlers to the element + - f_in (function) handler for hover in + - f_out (function) handler for hover out + - icontext (object) #optional context for hover in handler + - ocontext (object) #optional context for hover out handler + = (object) @Element + \*/ + elproto.hover = function (f_in, f_out, scope_in, scope_out) { + return this.mouseover(f_in, scope_in).mouseout(f_out, scope_out || scope_in); + }; + /*\ + * Element.unhover + [ method ] + ** + * Removes hover event handlers from the element + - f_in (function) handler for hover in + - f_out (function) handler for hover out + = (object) @Element + \*/ + elproto.unhover = function (f_in, f_out) { + return this.unmouseover(f_in).unmouseout(f_out); + }; + var draggable = []; + // SIERRA unclear what _context_ refers to for starting, ending, moving the drag gesture. + // SIERRA Element.drag(): _x position of the mouse_: Where are the x/y values offset from? + // SIERRA Element.drag(): much of this member's doc appears to be duplicated for some reason. + // SIERRA Unclear about this sentence: _Additionally following drag events will be triggered: drag.start.<id> on start, drag.end.<id> on end and drag.move.<id> on every move._ Is there a global _drag_ object to which you can assign handlers keyed by an element's ID? + /*\ + * Element.drag + [ method ] + ** + * Adds event handlers for an element's drag gesture + ** + - onmove (function) handler for moving + - onstart (function) handler for drag start + - onend (function) handler for drag end + - mcontext (object) #optional context for moving handler + - scontext (object) #optional context for drag start handler + - econtext (object) #optional context for drag end handler + * Additionaly following `drag` events are triggered: `drag.start.<id>` on start, + * `drag.end.<id>` on end and `drag.move.<id>` on every move. When element is dragged over another element + * `drag.over.<id>` fires as well. + * + * Start event and start handler are called in specified context or in context of the element with following parameters: + o x (number) x position of the mouse + o y (number) y position of the mouse + o event (object) DOM event object + * Move event and move handler are called in specified context or in context of the element with following parameters: + o dx (number) shift by x from the start point + o dy (number) shift by y from the start point + o x (number) x position of the mouse + o y (number) y position of the mouse + o event (object) DOM event object + * End event and end handler are called in specified context or in context of the element with following parameters: + o event (object) DOM event object + = (object) @Element + \*/ + elproto.drag = function (onmove, onstart, onend, move_scope, start_scope, end_scope) { + var el = this; + if (!arguments.length) { + var origTransform; + return el.drag(function (dx, dy) { + this.attr({ + transform: origTransform + (origTransform ? "T" : "t") + [dx, dy] + }); + }, function () { + origTransform = this.transform().local; + }); + } + function start(e, x, y) { + (e.originalEvent || e).preventDefault(); + el._drag.x = x; + el._drag.y = y; + el._drag.id = e.identifier; + !drag.length && Snap.mousemove(dragMove).mouseup(dragUp); + drag.push({el: el, move_scope: move_scope, start_scope: start_scope, end_scope: end_scope}); + onstart && eve.on("snap.drag.start." + el.id, onstart); + onmove && eve.on("snap.drag.move." + el.id, onmove); + onend && eve.on("snap.drag.end." + el.id, onend); + eve("snap.drag.start." + el.id, start_scope || move_scope || el, x, y, e); + } + function init(e, x, y) { + eve("snap.draginit." + el.id, el, e, x, y); + } + eve.on("snap.draginit." + el.id, start); + el._drag = {}; + draggable.push({el: el, start: start, init: init}); + el.mousedown(init); + return el; + }; + /* + * Element.onDragOver + [ method ] + ** + * Shortcut to assign event handler for `drag.over.<id>` event, where `id` is the element's `id` (see @Element.id) + - f (function) handler for event, first argument would be the element you are dragging over + \*/ + // elproto.onDragOver = function (f) { + // f ? eve.on("snap.drag.over." + this.id, f) : eve.unbind("snap.drag.over." + this.id); + // }; + /*\ + * Element.undrag + [ method ] + ** + * Removes all drag event handlers from the given element + \*/ + elproto.undrag = function () { + var i = draggable.length; + while (i--) if (draggable[i].el == this) { + this.unmousedown(draggable[i].init); + draggable.splice(i, 1); + eve.unbind("snap.drag.*." + this.id); + eve.unbind("snap.draginit." + this.id); + } + !draggable.length && Snap.unmousemove(dragMove).unmouseup(dragUp); + return this; + }; +}); + +// Copyright (c) 2013 Adobe Systems Incorporated. All rights reserved. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. +Snap.plugin(function (Snap, Element, Paper, glob) { + var elproto = Element.prototype, + pproto = Paper.prototype, + rgurl = /^\s*url\((.+)\)/, + Str = String, + $ = Snap._.$; + Snap.filter = {}; + /*\ + * Paper.filter + [ method ] + ** + * Creates a `<filter>` element + ** + - filstr (string) SVG fragment of filter provided as a string + = (object) @Element + * Note: It is recommended to use filters embedded into the page inside an empty SVG element. + > Usage + | var f = paper.filter('<feGaussianBlur stdDeviation="2"/>'), + | c = paper.circle(10, 10, 10).attr({ + | filter: f + | }); + \*/ + pproto.filter = function (filstr) { + var paper = this; + if (paper.type != "svg") { + paper = paper.paper; + } + var f = Snap.parse(Str(filstr)), + id = Snap._.id(), + width = paper.node.offsetWidth, + height = paper.node.offsetHeight, + filter = $("filter"); + $(filter, { + id: id, + filterUnits: "userSpaceOnUse" + }); + filter.appendChild(f.node); + paper.defs.appendChild(filter); + return new Element(filter); + }; + + eve.on("snap.util.getattr.filter", function () { + eve.stop(); + var p = $(this.node, "filter"); + if (p) { + var match = Str(p).match(rgurl); + return match && Snap.select(match[1]); + } + }); + eve.on("snap.util.attr.filter", function (value) { + if (value instanceof Element && value.type == "filter") { + eve.stop(); + var id = value.node.id; + if (!id) { + $(value.node, {id: value.id}); + id = value.id; + } + $(this.node, { + filter: Snap.url(id) + }); + } + if (!value || value == "none") { + eve.stop(); + this.node.removeAttribute("filter"); + } + }); + /*\ + * Snap.filter.blur + [ method ] + ** + * Returns an SVG markup string for the blur filter + ** + - x (number) amount of horizontal blur, in pixels + - y (number) #optional amount of vertical blur, in pixels + = (string) filter representation + > Usage + | var f = paper.filter(Snap.filter.blur(5, 10)), + | c = paper.circle(10, 10, 10).attr({ + | filter: f + | }); + \*/ + Snap.filter.blur = function (x, y) { + if (x == null) { + x = 2; + } + var def = y == null ? x : [x, y]; + return Snap.format('\<feGaussianBlur stdDeviation="{def}"/>', { + def: def + }); + }; + Snap.filter.blur.toString = function () { + return this(); + }; + /*\ + * Snap.filter.shadow + [ method ] + ** + * Returns an SVG markup string for the shadow filter + ** + - dx (number) #optional horizontal shift of the shadow, in pixels + - dy (number) #optional vertical shift of the shadow, in pixels + - blur (number) #optional amount of blur + - color (string) #optional color of the shadow + - opacity (number) #optional `0..1` opacity of the shadow + * or + - dx (number) #optional horizontal shift of the shadow, in pixels + - dy (number) #optional vertical shift of the shadow, in pixels + - color (string) #optional color of the shadow + - opacity (number) #optional `0..1` opacity of the shadow + * which makes blur default to `4`. Or + - dx (number) #optional horizontal shift of the shadow, in pixels + - dy (number) #optional vertical shift of the shadow, in pixels + - opacity (number) #optional `0..1` opacity of the shadow + = (string) filter representation + > Usage + | var f = paper.filter(Snap.filter.shadow(0, 2, 3)), + | c = paper.circle(10, 10, 10).attr({ + | filter: f + | }); + \*/ + Snap.filter.shadow = function (dx, dy, blur, color, opacity) { + if (typeof blur == "string") { + color = blur; + opacity = color; + blur = 4; + } + if (typeof color != "string") { + opacity = color; + color = "#000"; + } + color = color || "#000"; + if (blur == null) { + blur = 4; + } + if (opacity == null) { + opacity = 1; + } + if (dx == null) { + dx = 0; + dy = 2; + } + if (dy == null) { + dy = dx; + } + color = Snap.color(color); + return Snap.format('<feGaussianBlur in="SourceAlpha" stdDeviation="{blur}"/><feOffset dx="{dx}" dy="{dy}" result="offsetblur"/><feFlood flood-color="{color}"/><feComposite in2="offsetblur" operator="in"/><feComponentTransfer><feFuncA type="linear" slope="{opacity}"/></feComponentTransfer><feMerge><feMergeNode/><feMergeNode in="SourceGraphic"/></feMerge>', { + color: color, + dx: dx, + dy: dy, + blur: blur, + opacity: opacity + }); + }; + Snap.filter.shadow.toString = function () { + return this(); + }; + /*\ + * Snap.filter.grayscale + [ method ] + ** + * Returns an SVG markup string for the grayscale filter + ** + - amount (number) amount of filter (`0..1`) + = (string) filter representation + \*/ + Snap.filter.grayscale = function (amount) { + if (amount == null) { + amount = 1; + } + return Snap.format('<feColorMatrix type="matrix" values="{a} {b} {c} 0 0 {d} {e} {f} 0 0 {g} {b} {h} 0 0 0 0 0 1 0"/>', { + a: 0.2126 + 0.7874 * (1 - amount), + b: 0.7152 - 0.7152 * (1 - amount), + c: 0.0722 - 0.0722 * (1 - amount), + d: 0.2126 - 0.2126 * (1 - amount), + e: 0.7152 + 0.2848 * (1 - amount), + f: 0.0722 - 0.0722 * (1 - amount), + g: 0.2126 - 0.2126 * (1 - amount), + h: 0.0722 + 0.9278 * (1 - amount) + }); + }; + Snap.filter.grayscale.toString = function () { + return this(); + }; + /*\ + * Snap.filter.sepia + [ method ] + ** + * Returns an SVG markup string for the sepia filter + ** + - amount (number) amount of filter (`0..1`) + = (string) filter representation + \*/ + Snap.filter.sepia = function (amount) { + if (amount == null) { + amount = 1; + } + return Snap.format('<feColorMatrix type="matrix" values="{a} {b} {c} 0 0 {d} {e} {f} 0 0 {g} {h} {i} 0 0 0 0 0 1 0"/>', { + a: 0.393 + 0.607 * (1 - amount), + b: 0.769 - 0.769 * (1 - amount), + c: 0.189 - 0.189 * (1 - amount), + d: 0.349 - 0.349 * (1 - amount), + e: 0.686 + 0.314 * (1 - amount), + f: 0.168 - 0.168 * (1 - amount), + g: 0.272 - 0.272 * (1 - amount), + h: 0.534 - 0.534 * (1 - amount), + i: 0.131 + 0.869 * (1 - amount) + }); + }; + Snap.filter.sepia.toString = function () { + return this(); + }; + /*\ + * Snap.filter.saturate + [ method ] + ** + * Returns an SVG markup string for the saturate filter + ** + - amount (number) amount of filter (`0..1`) + = (string) filter representation + \*/ + Snap.filter.saturate = function (amount) { + if (amount == null) { + amount = 1; + } + return Snap.format('<feColorMatrix type="saturate" values="{amount}"/>', { + amount: 1 - amount + }); + }; + Snap.filter.saturate.toString = function () { + return this(); + }; + /*\ + * Snap.filter.hueRotate + [ method ] + ** + * Returns an SVG markup string for the hue-rotate filter + ** + - angle (number) angle of rotation + = (string) filter representation + \*/ + Snap.filter.hueRotate = function (angle) { + angle = angle || 0; + return Snap.format('<feColorMatrix type="hueRotate" values="{angle}"/>', { + angle: angle + }); + }; + Snap.filter.hueRotate.toString = function () { + return this(); + }; + /*\ + * Snap.filter.invert + [ method ] + ** + * Returns an SVG markup string for the invert filter + ** + - amount (number) amount of filter (`0..1`) + = (string) filter representation + \*/ + Snap.filter.invert = function (amount) { + if (amount == null) { + amount = 1; + } +// <feColorMatrix type="matrix" values="-1 0 0 0 1 0 -1 0 0 1 0 0 -1 0 1 0 0 0 1 0" color-interpolation-filters="sRGB"/> + return Snap.format('<feComponentTransfer><feFuncR type="table" tableValues="{amount} {amount2}"/><feFuncG type="table" tableValues="{amount} {amount2}"/><feFuncB type="table" tableValues="{amount} {amount2}"/></feComponentTransfer>', { + amount: amount, + amount2: 1 - amount + }); + }; + Snap.filter.invert.toString = function () { + return this(); + }; + /*\ + * Snap.filter.brightness + [ method ] + ** + * Returns an SVG markup string for the brightness filter + ** + - amount (number) amount of filter (`0..1`) + = (string) filter representation + \*/ + Snap.filter.brightness = function (amount) { + if (amount == null) { + amount = 1; + } + return Snap.format('<feComponentTransfer><feFuncR type="linear" slope="{amount}"/><feFuncG type="linear" slope="{amount}"/><feFuncB type="linear" slope="{amount}"/></feComponentTransfer>', { + amount: amount + }); + }; + Snap.filter.brightness.toString = function () { + return this(); + }; + /*\ + * Snap.filter.contrast + [ method ] + ** + * Returns an SVG markup string for the contrast filter + ** + - amount (number) amount of filter (`0..1`) + = (string) filter representation + \*/ + Snap.filter.contrast = function (amount) { + if (amount == null) { + amount = 1; + } + return Snap.format('<feComponentTransfer><feFuncR type="linear" slope="{amount}" intercept="{amount2}"/><feFuncG type="linear" slope="{amount}" intercept="{amount2}"/><feFuncB type="linear" slope="{amount}" intercept="{amount2}"/></feComponentTransfer>', { + amount: amount, + amount2: .5 - amount / 2 + }); + }; + Snap.filter.contrast.toString = function () { + return this(); + }; +}); + +// Copyright (c) 2014 Adobe Systems Incorporated. All rights reserved. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. +Snap.plugin(function (Snap, Element, Paper, glob, Fragment) { + var box = Snap._.box, + is = Snap.is, + firstLetter = /^[^a-z]*([tbmlrc])/i, + toString = function () { + return "T" + this.dx + "," + this.dy; + }; + /*\ + * Element.getAlign + [ method ] + ** + * Returns shift needed to align the element relatively to given element. + * If no elements specified, parent `<svg>` container will be used. + - el (object) @optional alignment element + - way (string) one of six values: `"top"`, `"middle"`, `"bottom"`, `"left"`, `"center"`, `"right"` + = (object|string) Object in format `{dx: , dy: }` also has a string representation as a transformation string + > Usage + | el.transform(el.getAlign(el2, "top")); + * or + | var dy = el.getAlign(el2, "top").dy; + \*/ + Element.prototype.getAlign = function (el, way) { + if (way == null && is(el, "string")) { + way = el; + el = null; + } + el = el || this.paper; + var bx = el.getBBox ? el.getBBox() : box(el), + bb = this.getBBox(), + out = {}; + way = way && way.match(firstLetter); + way = way ? way[1].toLowerCase() : "c"; + switch (way) { + case "t": + out.dx = 0; + out.dy = bx.y - bb.y; + break; + case "b": + out.dx = 0; + out.dy = bx.y2 - bb.y2; + break; + case "m": + out.dx = 0; + out.dy = bx.cy - bb.cy; + break; + case "l": + out.dx = bx.x - bb.x; + out.dy = 0; + break; + case "r": + out.dx = bx.x2 - bb.x2; + out.dy = 0; + break; + default: + out.dx = bx.cx - bb.cx; + out.dy = 0; + break; + } + out.toString = toString; + return out; + }; + /*\ + * Element.align + [ method ] + ** + * Aligns the element relatively to given one via transformation. + * If no elements specified, parent `<svg>` container will be used. + - el (object) @optional alignment element + - way (string) one of six values: `"top"`, `"middle"`, `"bottom"`, `"left"`, `"center"`, `"right"` + = (object) this element + > Usage + | el.align(el2, "top"); + * or + | el.align("middle"); + \*/ + Element.prototype.align = function (el, way) { + return this.transform("..." + this.getAlign(el, way)); + }; +}); + +return Snap; +})); |