gas.gl
Version:
HighPerformance Geojson Data Render with WebGL
1 lines • 1.58 MB
JavaScript
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D.charWidthsCache[t]:D.charWidthsCache={}},limitDimsByArea:function(t,e){var n=Math.sqrt(e*t),r=Math.floor(e/n);return{x:Math.floor(n),y:r}},capValue:function(t,e,n){return Math.max(t,Math.min(e,n))},findScaleToFit:function(t,e){return Math.min(e.width/t.width,e.height/t.height)},findScaleToCover:function(t,e){return Math.max(e.width/t.width,e.height/t.height)},matrixToSVG:function(t){return"matrix("+t.map((function(t){return D.util.toFixed(t,D.Object.NUM_FRACTION_DIGITS)})).join(" ")+")"}},function(){var t=Array.prototype.join;function e(e,i,o,s,a,u,l){var c=t.call(arguments);if(D.arcToSegmentsCache[c])return D.arcToSegmentsCache[c];var h=Math.PI,f=l*h/180,d=D.util.sin(f),p=D.util.cos(f),g=0,v=0,m=-p*e*.5-d*i*.5,y=-p*i*.5+d*e*.5,x=(o=Math.abs(o))*o,E=(s=Math.abs(s))*s,C=y*y,b=m*m,w=x*E-x*C-E*b,A=0;if(w<0){var _=Math.sqrt(1-w/(x*E));o*=_,s*=_}else A=(a===u?-1:1)*Math.sqrt(w/(x*C+E*b));var S=A*o*y/s,F=-A*s*m/o,T=p*S-d*F+.5*e,I=d*S+p*F+.5*i,M=r(1,0,(m-S)/o,(y-F)/s),B=r((m-S)/o,(y-F)/s,(-m-S)/o,(-y-F)/s);0===u&&B>0?B-=2*h:1===u&&B<0&&(B+=2*h);for(var P=Math.ceil(Math.abs(B/h*2)),O=[],L=B/P,N=8/3*Math.sin(L/4)*Math.sin(L/4)/Math.sin(L/2),R=M+L,k=0;k<P;k++)O[k]=n(M,R,p,d,o,s,T,I,N,g,v),g=O[k][4],v=O[k][5],M=R,R+=L;return D.arcToSegmentsCache[c]=O,O}function n(t,e,n,r,i,o,s,a,u,l,c){var h=D.util.cos(t),f=D.util.sin(t),d=D.util.cos(e),p=D.util.sin(e),g=n*i*d-r*o*p+s,v=r*i*d+n*o*p+a;return[l+u*(-n*i*f-r*o*h),c+u*(-r*i*f+n*o*h),g+u*(n*i*p+r*o*d),v+u*(r*i*p-n*o*d),g,v]}function r(t,e,n,r){var i=Math.atan2(e,t),o=Math.atan2(r,n);return o>=i?o-i:2*Math.PI-(i-o)}function i(e,n,r,i,o,s,a,u){var l;if(D.cachesBoundsOfCurve&&(l=t.call(arguments),D.boundsOfCurveCache[l]))return D.boundsOfCurveCache[l];var c,h,f,d,p,g,v,m,y=Math.sqrt,x=Math.min,E=Math.max,C=Math.abs,b=[],w=[[],[]];h=6*e-12*r+6*o,c=-3*e+9*r-9*o+3*a,f=3*r-3*e;for(var 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h,f=0,d=0,p=[],g=e(l-t,c-n,r,o,a,u,s),v=0,m=g.length;v<m;v++)h=i(f,d,g[v][0],g[v][1],g[v][2],g[v][3],g[v][4],g[v][5]),p.push({x:h[0].x+t,y:h[0].y+n}),p.push({x:h[1].x+t,y:h[1].y+n}),f=g[v][4],d=g[v][5];return p},D.util.getBoundsOfCurve=i}(),function(){var t=Array.prototype.slice;function e(t,e,n){if(t&&0!==t.length){var r=t.length-1,i=e?t[r][e]:t[r];if(e)for(;r--;)n(t[r][e],i)&&(i=t[r][e]);else for(;r--;)n(t[r],i)&&(i=t[r]);return i}}D.util.array={fill:function(t,e){for(var n=t.length;n--;)t[n]=e;return t},invoke:function(e,n){for(var r=t.call(arguments,2),i=[],o=0,s=e.length;o<s;o++)i[o]=r.length?e[o][n].apply(e[o],r):e[o][n].call(e[o]);return i},min:function(t,n){return e(t,n,(function(t,e){return t<e}))},max:function(t,n){return e(t,n,(function(t,e){return t>=e}))}}}(),function(){function t(e,n,r){if(r)if(!D.isLikelyNode&&n instanceof Element)e=n;else if(n instanceof Array){e=[];for(var i=0,s=n.length;i<s;i++)e[i]=t({},n[i],r)}else if(n&&"object"===(void 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t.charAt(0).toUpperCase()+(e?t.slice(1):t.slice(1).toLowerCase())},escapeXml:function(t){return t.replace(/&/g,"&").replace(/"/g,""").replace(/'/g,"'").replace(/</g,"<").replace(/>/g,">")},graphemeSplit:function(e){var n,r=0,i=[];for(r=0;r<e.length;r++)!1!==(n=t(e,r))&&i.push(n);return i}}}(),function(){var t=Array.prototype.slice,e=function(){},n=function(){for(var t in{toString:1})if("toString"===t)return!1;return!0}(),r=function(t,e,r){for(var i in e)i in t.prototype&&"function"==typeof t.prototype[i]&&(e[i]+"").indexOf("callSuper")>-1?t.prototype[i]=function(t){return function(){var n=this.constructor.superclass;this.constructor.superclass=r;var i=e[t].apply(this,arguments);if(this.constructor.superclass=n,"initialize"!==t)return i}}(i):t.prototype[i]=e[i],n&&(e.toString!==Object.prototype.toString&&(t.prototype.toString=e.toString),e.valueOf!==Object.prototype.valueOf&&(t.prototype.valueOf=e.valueOf))};function i(){}function o(e){for(var n=null,r=this;r.constructor.superclass;){var i=r.constructor.superclass.prototype[e];if(r[e]!==i){n=i;break}r=r.constructor.superclass.prototype}return n?arguments.length>1?n.apply(this,t.call(arguments,1)):n.call(this):console.log("tried to callSuper "+e+", method not found in prototype chain",this)}D.util.createClass=function(){var n=null,s=t.call(arguments,0);function a(){this.initialize.apply(this,arguments)}"function"==typeof s[0]&&(n=s.shift()),a.superclass=n,a.subclasses=[],n&&(i.prototype=n.prototype,a.prototype=new i,n.subclasses.push(a));for(var u=0,l=s.length;u<l;u++)r(a,s[u],n);return a.prototype.initialize||(a.prototype.initialize=e),a.prototype.constructor=a,a.prototype.callSuper=o,a}}(),d=!!D.document.createElement("div").attachEvent,D.util.addListener=function(t,e,n,r){t&&t.addEventListener(e,n,!d&&r)},D.util.removeListener=function(t,e,n,r){t&&t.removeEventListener(e,n,!d&&r)},D.util.getPointer=function(t){var e=t.target,n=D.util.getScrollLeftTop(e),r=function(t){var e=t.changedTouches;return e&&e[0]?e[0]:t}(t);return{x:r.clientX+n.left,y:r.clientY+n.top}},p=D.document.createElement("div"),g="string"==typeof p.style.opacity,v="string"==typeof p.style.filter,m=/alpha\s*\(\s*opacity\s*=\s*([^\)]+)\)/,y=function(t){return t},g?y=function(t,e){return t.style.opacity=e,t}:v&&(y=function(t,e){var n=t.style;return t.currentStyle&&!t.currentStyle.hasLayout&&(n.zoom=1),m.test(n.filter)?(e=e>=.9999?"":"alpha(opacity="+100*e+")",n.filter=n.filter.replace(m,e)):n.filter+=" alpha(opacity="+100*e+")",t}),D.util.setStyle=function(t,e){var n=t.style;if(!n)return t;if("string"==typeof e)return t.style.cssText+=";"+e,e.indexOf("opacity")>-1?y(t,e.match(/opacity:\s*(\d?\.?\d*)/)[1]):t;for(var r in e)"opacity"===r?y(t,e[r]):n["float"===r||"cssFloat"===r?void 0===n.styleFloat?"cssFloat":"styleFloat":r]=e[r];return t},function(){var t=Array.prototype.slice;var e,n,r,i,o=function(e){return t.call(e,0)};try{e=o(D.document.childNodes)instanceof Array}catch(t){}function 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r?"KhtmlUserSelect":"",D.util.makeElementUnselectable=function(t){return void 0!==t.onselectstart&&(t.onselectstart=D.util.falseFunction),i?t.style[i]="none":"string"==typeof t.unselectable&&(t.unselectable="on"),t},D.util.makeElementSelectable=function(t){return void 0!==t.onselectstart&&(t.onselectstart=null),i?t.style[i]="":"string"==typeof t.unselectable&&(t.unselectable=""),t},D.util.getScript=function(t,e){var n=D.document.getElementsByTagName("head")[0],r=D.document.createElement("script"),i=!0;r.onload=r.onreadystatechange=function(t){if(i){if("string"==typeof this.readyState&&"loaded"!==this.readyState&&"complete"!==this.readyState)return;i=!1,e(t||D.window.event),r=r.onload=r.onreadystatechange=null}},r.src=t,n.appendChild(r)},D.util.getById=function(t){return"string"==typeof t?D.document.getElementById(t):t},D.util.toArray=o,D.util.makeElement=s,D.util.addClass=function(t,e){t&&-1===(" "+t.className+" ").indexOf(" "+e+" ")&&(t.className+=(t.className?" 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Date,a=n.duration||500,u=s+a,l=n.onChange||t,c=n.abort||t,h=n.onComplete||t,f=n.easing||e,d="startValue"in n?n.startValue:0,p="endValue"in n?n.endValue:100,g=n.byValue||p-d;n.onStart&&n.onStart(),function t(e){var n=(o=e||+new Date)>u?a:o-s,r=n/a,v=f(n,d,g,a),m=Math.abs((v-d)/g);if(!c())return o>u?(l(p,1,1),void h(p,1,1)):(l(v,m,r),void i(t));h(p,1,1)}(s)}))},D.util.requestAnimFrame=i,D.util.cancelAnimFrame=function(){return r.apply(D.window,arguments)}}(),D.util.animateColor=function(t,e,n,r){var i=new D.Color(t).getSource(),o=new D.Color(e).getSource();r=r||{},D.util.animate(D.util.object.extend(r,{duration:n||500,startValue:i,endValue:o,byValue:o,easing:function(t,e,n,i){var o,s,a,u,l=r.colorEasing?r.colorEasing(t,i):1-Math.cos(t/i*(Math.PI/2));return o=e,s=n,a=l,u="rgba("+parseInt(o[0]+a*(s[0]-o[0]),10)+","+parseInt(o[1]+a*(s[1]-o[1]),10)+","+parseInt(o[2]+a*(s[2]-o[2]),10),u+=","+(o&&s?parseFloat(o[3]+a*(s[3]-o[3])):1),u+=")"}}))},function(){function t(t,e,n,r){return t<Math.abs(e)?(t=e,r=n/4):r=0===e&&0===t?n/(2*Math.PI)*Math.asin(1):n/(2*Math.PI)*Math.asin(e/t),{a:t,c:e,p:n,s:r}}function e(t,e,n){return t.a*Math.pow(2,10*(e-=1))*Math.sin((e*n-t.s)*(2*Math.PI)/t.p)}function n(t,e,n,i){return n-r(i-t,0,n,i)+e}function r(t,e,n,r){return(t/=r)<1/2.75?n*(7.5625*t*t)+e:t<2/2.75?n*(7.5625*(t-=1.5/2.75)*t+.75)+e:t<2.5/2.75?n*(7.5625*(t-=2.25/2.75)*t+.9375)+e:n*(7.5625*(t-=2.625/2.75)*t+.984375)+e}D.util.ease={easeInQuad:function(t,e,n,r){return n*(t/=r)*t+e},easeOutQuad:function(t,e,n,r){return-n*(t/=r)*(t-2)+e},easeInOutQuad:function(t,e,n,r){return(t/=r/2)<1?n/2*t*t+e:-n/2*(--t*(t-2)-1)+e},easeInCubic:function(t,e,n,r){return n*(t/=r)*t*t+e},easeOutCubic:function(t,e,n,r){return n*((t=t/r-1)*t*t+1)+e},easeInOutCubic:function(t,e,n,r){return(t/=r/2)<1?n/2*t*t*t+e:n/2*((t-=2)*t*t+2)+e},easeInQuart:function(t,e,n,r){return n*(t/=r)*t*t*t+e},easeOutQuart:function(t,e,n,r){return-n*((t=t/r-1)*t*t*t-1)+e},easeInOutQuart:function(t,e,n,r){return(t/=r/2)<1?n/2*t*t*t*t+e:-n/2*((t-=2)*t*t*t-2)+e},easeInQuint:function(t,e,n,r){return n*(t/=r)*t*t*t*t+e},easeOutQuint:function(t,e,n,r){return n*((t=t/r-1)*t*t*t*t+1)+e},easeInOutQuint:function(t,e,n,r){return(t/=r/2)<1?n/2*t*t*t*t*t+e:n/2*((t-=2)*t*t*t*t+2)+e},easeInSine:function(t,e,n,r){return-n*Math.cos(t/r*(Math.PI/2))+n+e},easeOutSine:function(t,e,n,r){return n*Math.sin(t/r*(Math.PI/2))+e},easeInOutSine:function(t,e,n,r){return-n/2*(Math.cos(Math.PI*t/r)-1)+e},easeInExpo:function(t,e,n,r){return 0===t?e:n*Math.pow(2,10*(t/r-1))+e},easeOutExpo:function(t,e,n,r){return t===r?e+n:n*(1-Math.pow(2,-10*t/r))+e},easeInOutExpo:function(t,e,n,r){return 0===t?e:t===r?e+n:(t/=r/2)<1?n/2*Math.pow(2,10*(t-1))+e:n/2*(2-Math.pow(2,-10*--t))+e},easeInCirc:function(t,e,n,r){return-n*(Math.sqrt(1-(t/=r)*t)-1)+e},easeOutCirc:function(t,e,n,r){return n*Math.sqrt(1-(t=t/r-1)*t)+e},easeInOutCirc:function(t,e,n,r){return(t/=r/2)<1?-n/2*(Math.sqrt(1-t*t)-1)+e:n/2*(Math.sqrt(1-(t-=2)*t)+1)+e},easeInElastic:function(n,r,i,o){var s=0;return 0===n?r:1===(n/=o)?r+i:(s||(s=.3*o),-e(t(i,i,s,1.70158),n,o)+r)},easeOutElastic:function(e,n,r,i){var o=0;if(0===e)return n;if(1===(e/=i))return n+r;o||(o=.3*i);var s=t(r,r,o,1.70158);return s.a*Math.pow(2,-10*e)*Math.sin((e*i-s.s)*(2*Math.PI)/s.p)+s.c+n},easeInOutElastic:function(n,r,i,o){var s=0;if(0===n)return r;if(2===(n/=o/2))return r+i;s||(s=o*(.3*1.5));var a=t(i,i,s,1.70158);return n<1?-.5*e(a,n,o)+r:a.a*Math.pow(2,-10*(n-=1))*Math.sin((n*o-a.s)*(2*Math.PI)/a.p)*.5+a.c+r},easeInBack:function(t,e,n,r,i){return void 0===i&&(i=1.70158),n*(t/=r)*t*((i+1)*t-i)+e},easeOutBack:function(t,e,n,r,i){return void 0===i&&(i=1.70158),n*((t=t/r-1)*t*((i+1)*t+i)+1)+e},easeInOutBack:function(t,e,n,r,i){return void 0===i&&(i=1.70158),(t/=r/2)<1?n/2*(t*t*((1+(i*=1.525))*t-i))+e:n/2*((t-=2)*t*((1+(i*=1.525))*t+i)+2)+e},easeInBounce:n,easeOutBounce:r,easeInOutBounce:function(t,e,i,o){return t<o/2?.5*n(2*t,0,i,o)+e:.5*r(2*t-o,0,i,o)+.5*i+e}}}(),function(t){var e=t.fabric||(t.fabric={}),n=e.util.object.extend,r=e.util.object.clone,i=e.util.toFixed,o=e.util.parseUnit,s=e.util.multiplyTransformMatrices,a={cx:"left",x:"left",r:"radius",cy:"top",y:"top",display:"visible",visibility:"visible",transform:"transformMatrix","fill-opacity":"fillOpacity","fill-rule":"fillRule","font-family":"fontFamily","font-size":"fontSize","font-style":"fontStyle","font-weight":"fontWeight","letter-spacing":"charSpacing","paint-order":"paintFirst","stroke-dasharray":"strokeDashArray","stroke-dashoffset":"strokeDashOffset","stroke-linecap":"strokeLineCap","stroke-linejoin":"strokeLineJoin","stroke-miterlimit":"strokeMiterLimit","stroke-opacity":"strokeOpacity","stroke-width":"strokeWidth","text-decoration":"textDecoration","text-anchor":"textAnchor",opacity:"opacity","clip-path":"clipPath","clip-rule":"clipRule","vector-effect":"strokeU