konva/dist/kinetic-core.min.js

/**
 * KineticJS JavaScript Library core
 * http://www.kineticjs.com/
 * Copyright 2012, Eric Rowell
 * Licensed under the MIT or GPL Version 2 licenses.
 * Date: Apr 03 2012
 *
 * Copyright (C) 2011 - 2012 by Eric Rowell
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
var Kinetic={};Kinetic.GlobalObject={stages:[],idCounter:0,animations:[],animIdCounter:0,frame:{time:0,timeDiff:0,lastTime:0},drag:{moving:!1,node:undefined,offset:{x:0,y:0}},extend:function(a,b){for(var c in b.prototype)b.prototype.hasOwnProperty(c)&&a.prototype[c]===undefined&&(a.prototype[c]=b.prototype[c])},addAnimation:function(a){this.animations.push(a)},removeAnimation:function(a){var b=this.animations;for(var c=0;c<b.length;c++)if(b[c].id===a)return this.animations.splice(c,1),!1},_runFrames:function(){var a={};for(var b=0;b<this.animations.length;b++){var c=this.animations[b];c.drawId&&(a[c.drawId]=c.draw),c.func(this.frame)}for(var d in a)a[d].draw()},_updateFrameObject:function(){var a=new Date,b=a.getTime();this.frame.lastTime===0?this.frame.lastTime=b:(this.frame.timeDiff=b-this.frame.lastTime,this.frame.lastTime=b,this.frame.time+=this.frame.timeDiff)},_animationLoop:function(){if(this.animations.length>0){this._updateFrameObject(),this._runFrames();var a=this;requestAnimFrame(function(){a._animationLoop()})}else this.frame.lastTime=0},_handleAnimation:function(){var a=this;this.animations.length>0?a._animationLoop():this.frame.lastTime=0}},window.requestAnimFrame=function(a){return window.requestAnimationFrame||window.webkitRequestAnimationFrame||window.mozRequestAnimationFrame||window.oRequestAnimationFrame||window.msRequestAnimationFrame||function(a){window.setTimeout(a,1e3/60)}}(),Kinetic.Node=function(a){this.visible=!0,this.isListening=!0,this.name=undefined,this.alpha=1,this.x=0,this.y=0,this.scale={x:1,y:1},this.rotation=0,this.centerOffset={x:0,y:0},this.eventListeners={},this.dragConstraint="none",this.dragBounds={},this._draggable=!1;if(a)for(var b in a)switch(b){case"draggable":this.draggable(a[b]);break;case"listen":this.listen(a[b]);break;case"rotationDeg":this.rotation=a[b]*Math.PI/180;break;default:this[b]=a[b]}this.centerOffset.x===undefined&&(this.centerOffset.x=0),this.centerOffset.y===undefined&&(this.centerOffset.y=0)},Kinetic.Node.prototype={on:function(a,b){var c=a.split(" ");for(var d=0;d<c.length;d++){var e=c[d],f=e.indexOf("touch")===-1?"on"+e:e,g=f.split("."),h=g[0],i=g.length>1?g[1]:"";this.eventListeners[h]||(this.eventListeners[h]=[]),this.eventListeners[h].push({name:i,handler:b})}},off:function(a){var b=a.split(" ");for(var c=0;c<b.length;c++){var d=b[c],e=d.indexOf("touch")===-1?"on"+d:d,f=e.split("."),g=f[0];if(this.eventListeners[g]&&f.length>1){var h=f[1];for(var i=0;i<this.eventListeners[g].length;i++)if(this.eventListeners[g][i].name===h){this.eventListeners[g].splice(i,1),this.eventListeners[g].length===0&&(this.eventListeners[g]=undefined);break}}else this.eventListeners[g]=undefined}},show:function(){this.visible=!0},hide:function(){this.visible=!1},getZIndex:function(){return this.index},getAbsoluteZIndex:function(){function e(b){var f=[];for(var g=0;g<b.length;g++){var h=b[g];d++,h.className!=="Shape"&&(f=f.concat(h.getChildren())),h.id===c.id&&(g=b.length)}f.length>0&&f[0].getLevel()<=a&&e(f)}var a=this.getLevel(),b=this.getStage(),c=this,d=0;return c.className!=="Stage"&&e(c.getStage().getChildren()),d},getLevel:function(){var a=0,b=this.parent;while(b)a++,b=b.parent;return a},setScale:function(a,b){b?(this.scale.x=a,this.scale.y=b):(this.scale.x=a,this.scale.y=a)},getScale:function(){return this.scale},setPosition:function(a,b){this.x=a,this.y=b},getPosition:function(){return{x:this.x,y:this.y}},getAbsolutePosition:function(){return this.getAbsoluteTransform().getTranslation()},move:function(a,b){this.x+=a,this.y+=b},setRotation:function(a){this.rotation=a},setRotationDeg:function(a){this.rotation=a*Math.PI/180},getRotation:function(){return this.rotation},getRotationDeg:function(){return this.rotation*180/Math.PI},rotate:function(a){this.rotation+=a},rotateDeg:function(a){this.rotation+=a*Math.PI/180},listen:function(a){this.isListening=a},moveToTop:function(){var a=this.index;this.parent.children.splice(a,1),this.parent.children.push(this),this.parent._setChildrenIndices()},moveUp:function(){var a=this.index;this.parent.children.splice(a,1),this.parent.childr
("onResumed",{target:this,type:"onResumed"})},yoyo:function(){this.continueTo(this.begin,this._time)},addListener:function(a){return this.removeListener(a),this._listeners.push(a)},removeListener:function(a){var b=this._listeners,c=b.length;while(c--)if(b[c]==a)return b.splice(c,1),!0;return!1},broadcastMessage:function(){var a=[];for(var b=0;b<arguments.length;b++)a.push(arguments[b]);var c=a.shift(),d=this._listeners,e=d.length;for(var b=0;b<e;b++)d[b][c]&&d[b][c].apply(d[b],a)},fixTime:function(){this._startTime=this.getTimer()-this._time*1e3},getTimer:function(){return(new Date).getTime()-this._time}},Kinetic.Transitions={"back-ease-in":function(a,b,c,d,e,f){var g=1.70158;return c*(a/=d)*a*((g+1)*a-g)+b},"back-ease-out":function(a,b,c,d,e,f){var g=1.70158;return c*((a=a/d-1)*a*((g+1)*a+g)+1)+b},"back-ease-in-out":function(a,b,c,d,e,f){var g=1.70158;return(a/=d/2)<1?c/2*a*a*(((g*=1.525)+1)*a-g)+b:c/2*((a-=2)*a*(((g*=1.525)+1)*a+g)+2)+b},"elastic-ease-in":function(a,b,c,d,e,f){var g=0;return a===0?b:(a/=d)==1?b+c:(f||(f=d*.3),!e||e<Math.abs(c)?(e=c,g=f/4):g=f/(2*Math.PI)*Math.asin(c/e),-(e*Math.pow(2,10*(a-=1))*Math.sin((a*d-g)*2*Math.PI/f))+b)},"elastic-ease-out":function(a,b,c,d,e,f){var g=0;return a===0?b:(a/=d)==1?b+c:(f||(f=d*.3),!e||e<Math.abs(c)?(e=c,g=f/4):g=f/(2*Math.PI)*Math.asin(c/e),e*Math.pow(2,-10*a)*Math.sin((a*d-g)*2*Math.PI/f)+c+b)},"elastic-ease-in-out":function(a,b,c,d,e,f){var g=0;return a===0?b:(a/=d/2)==2?b+c:(f||(f=d*.3*1.5),!e||e<Math.abs(c)?(e=c,g=f/4):g=f/(2*Math.PI)*Math.asin(c/e),a<1?-0.5*e*Math.pow(2,10*(a-=1))*Math.sin((a*d-g)*2*Math.PI/f)+b:e*Math.pow(2,-10*(a-=1))*Math.sin((a*d-g)*2*Math.PI/f)*.5+c+b)},"bounce-ease-out":function(a,b,c,d){return(a/=d)<1/2.75?c*7.5625*a*a+b:a<2/2.75?c*(7.5625*(a-=1.5/2.75)*a+.75)+b:a<2.5/2.75?c*(7.5625*(a-=2.25/2.75)*a+.9375)+b:c*(7.5625*(a-=2.625/2.75)*a+.984375)+b},"bounce-ease-in":function(a,b,c,d){return c-Kinetic.Transitions.bounceEaseOut(d-a,0,c,d)+b},"bounce-ease-in-out":function(a,b,c,d){return a<d/2?Kinetic.Transitions.bounceEaseIn(a*2,0,c,d)*.5+b:Kinetic.Transitions.bounceEaseOut(a*2-d,0,c,d)*.5+c*.5+b},"ease-in":function(a,b,c,d){return c*(a/=d)*a+b},"ease-out":function(a,b,c,d){return-c*(a/=d)*(a-2)+b},"ease-in-out":function(a,b,c,d){return(a/=d/2)<1?c/2*a*a+b:-c/2*(--a*(a-2)-1)+b},"strong-ease-in":function(a,b,c,d){return c*(a/=d)*a*a*a*a+b},"strong-ease-out":function(a,b,c,d){return c*((a=a/d-1)*a*a*a*a+1)+b},"strong-ease-in-out":function(a,b,c,d){return(a/=d/2)<1?c/2*a*a*a*a*a+b:c/2*((a-=2)*a*a*a*a+2)+b},linear:function(a,b,c,d){return c*a/d+b}};