diff options
Diffstat (limited to 'dcae_dmaapbc_webapp/src/main/webapp/app/fusion/ase/scripts/bower_components/Snap.svg/dist/snap.svg.js')
| -rw-r--r-- | dcae_dmaapbc_webapp/src/main/webapp/app/fusion/ase/scripts/bower_components/Snap.svg/dist/snap.svg.js | 8170 |
1 files changed, 0 insertions, 8170 deletions
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 deleted file mode 100644 index 5475170..0000000 --- a/dcae_dmaapbc_webapp/src/main/webapp/app/fusion/ase/scripts/bower_components/Snap.svg/dist/snap.svg.js +++ /dev/null @@ -1,8170 +0,0 @@ -// 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; -})); |
