konva/konva.min.js

/*
 * Konva JavaScript Framework v2.5.1
 * http://konvajs.github.io/
 * Licensed under the MIT
 * Date: Sat Nov 17 2018
 *
 * Original work Copyright (C) 2011 - 2013 by Eric Rowell (KineticJS)
 * Modified work Copyright (C) 2014 - present by Anton Lavrenov (Konva)
 *
 * @license
 */
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/**
   * Sepia Filter
   * Based on: Pixastic Lib - Sepia filter - v0.1.0
   * Copyright (c) 2008 Jacob Seidelin, jseidelin@nihilogic.dk, http://blog.nihilogic.dk/
   * @function
   * @name Sepia
   * @memberof Konva.Filters
   * @param {Object} imageData
   * @author Jacob Seidelin <jseidelin@nihilogic.dk>
   * @license MPL v1.1 [http://www.pixastic.com/lib/license.txt]
   * @example
   * node.cache();
   * node.filters([Konva.Filters.Sepia]);
   */Konva.Filters.Sepia=function(t){var e,i,n,a,r,o,s,h,l,c=t.data,d=t.width,u=t.height,g=4*d;do{for(e=(u-1)*g,i=d;s=.393*(a=c[n=e+4*(i-1)])+.769*(r=c[n+1])+.189*(o=c[n+2]),h=.349*a+.686*r+.168*o,l=.272*a+.534*r+.131*o,c[n]=255<s?255:s,c[n+1]=255<h?255:h,c[n+2]=255<l?255:l,c[n+3]=c[n+3],--i;);}while(--u)}}(),function(){"use strict";Konva.Filters.Solarize=function(t){var e=t.data,i=t.width,n=4*i,a=t.height;do{var r=(a-1)*n,o=i;do{var s=r+4*(o-1),h=e[s],l=e[s+1],c=e[s+2];127<h&&(h=255-h),127<l&&(l=255-l),127<c&&(c=255-c),e[s]=h,e[s+1]=l,e[s+2]=c}while(--o)}while(--a)}}(),function(){"use strict";Konva.Filters.Kaleidoscope=function(t){var e,i,n,a,r,o,s,h,l,c=t.width,d=t.height,u=Math.round(this.kaleidoscopePower()),g=Math.round(this.kaleidoscopeAngle()),f=Math.floor(c*(g%360)/360);if(!(u<1)){var v=Konva.Util.createCanvasElement();v.width=c,v.height=d;var p=v.getContext("2d").getImageData(0,0,c,d);!function(t,e,i){var n,a,r,o,s=t.data,h=e.data,l=t.width,c=t.height,d=i.polarCenterX||l/2,u=i.polarCenterY||c/2,g=0,f=0,v=0,p=0,m=Math.sqrt(d*d+u*u);a=l-d,r=c-u,m=m<(o=Math.sqrt(a*a+r*r))?o:m;var _,y,K,S,b=c,x=l,C=360/x*Math.PI/180;for(y=0;y<x;y+=1)for(K=Math.sin(y*C),S=Math.cos(y*C),_=0;_<b;_+=1)a=Math.floor(d+m*_/b*S),g=s[0+(n=4*((r=Math.floor(u+m*_/b*K))*l+a))],f=s[n+1],v=s[n+2],p=s[n+3],h[0+(n=4*(y+_*l))]=g,h[n+1]=f,h[n+2]=v,h[n+3]=p}(t,p,{polarCenterX:c/2,polarCenterY:d/2});for(var m=c/Math.pow(2,u);m<=8;)m*=2,u-=1;var _=m=Math.ceil(m),y=0,K=_,S=1;for(c<f+m&&(y=_,K=0,S=-1),i=0;i<d;i+=1)for(e=y;e!==K;e+=S)h=4*(c*i+Math.round(e+f)%c),a=p.data[h+0],r=p.data[h+1],o=p.data[h+2],s=p.data[h+3],l=4*(c*i+e),p.data[l+0]=a,p.data[l+1]=r,p.data[l+2]=o,p.data[l+3]=s;for(i=0;i<d;i+=1)for(_=Math.floor(m),n=0;n<u;n+=1){for(e=0;e<_+1;e+=1)h=4*(c*i+e),a=p.data[h+0],r=p.data[h+1],o=p.data[h+2],s=p.data[h+3],l=4*(c*i+2*_-e-1),p.data[l+0]=a,p.data[l+1]=r,p.data[l+2]=o,p.data[l+3]=s;_*=2}!function(t,e,i){var n,a,r,o,s,h,l=t.data,c=e.data,d=t.width,u=t.height,g=i.polarCenterX||d/2,f=i.polarCenterY||u/2,v=0,p=0,m=0,_=0,y=Math.sqrt(g*g+f*f);a=d-g,r=u-f,y=y<(h=Math.sqrt(a*a+r*r))?h:y;var K,S,b,x=u,C=d,w=i.polarRotation||0;for(a=0;a<d;a+=1)for(r=0;r<u;r+=1)o=a-g,s=r-f,K=Math.sqrt(o*o+s*s)*x/y,S=(S=(180*Math.atan2(s,o)/Math.PI+360+w)%360)*C/360,b=Math.floor(S),v=l[0+(n=4*(Math.floor(K)*d+b))],p=l[n+1],m=l[n+2],_=l[n+3],c[0+(n=4*(r*d+a))]=v,c[n+1]=p,c[n+2]=m,c[n+3]=_}(p,t,{polarRotation:0})}},Konva.Factory.addGetterSetter(Konva.Node,"kaleidoscopePower",2,Konva.Validators.getNumberValidator(),Konva.Factory.afterSetFilter),Konva.Factory.addGetterSetter(Konva.Node,"kaleidoscopeAngle",0,Konva.Validators.getNumberValidator(),Konva.Factory.afterSetFilter)}(),function(t){"use strict";t.Filters.Contrast=function(t){var e,i=Math.pow((parseInt(this.contrast())+100)/100,2),n=t.data,a=n.length,r=150,o=150,s=150;for(e=0;e<a;e+=4)r=n[e],o=n[e+1],s=n[e+2],r/=255,r-=.5,r*=i,r+=.5,o/=255,o-=.5,o*=i,o+=.5,s/=255,s-=.5,s*=i,s+=.5,r=(r*=255)<0?0:255<r?255:r,o=(o*=255)<0?0:255<o?255:o,s=(s*=255)<0?0:255<s?255:s,n[e]=r,n[e+1]=o,n[e+2]=s},t.Factory.addGetterSetter(t.Node,"contrast",0,t.Validators.getNumberValidator(),t.Factory.afterSetFilter)}(Konva),function(){"use strict";Konva.Container=function(t){this.__init(t)},Konva.Util.addMethods(Konva.Container,{__init:function(t){this.children=new Konva.Collection,Konva.Node.call(this,t)},getChildren:function(e){if(!e)return this.children;var i=new Konva.Collection;return this.children.each(function(t){e(t)&&i.push(t)}),i},hasChildren:function(){return 0<this.getChildren().length},removeChildren:function(){for(var t,e=Konva.Collection.toCollection(this.children),i=0;i<e.length;i++)delete(t=e[i]).parent,t.index=0,t.remove();return e=null,this.children=new Konva.Collection,this},destroyChildren:function(){for(var t,e=Konva.Collection.toCollection(this.children),i=0;i<e.length;i++)delete(t=e[i]).parent,t.index=0,t.destroy();return e=null,this.children=new Konva.Collection,this},add:function(t){if(1<arguments.length){for(var e=0;e<arguments.length;e++)this.add(arguments[e]);return this}if(t.getParent())return t.moveTo(this),this;var i=t