xel/xel.js

Widget toolkit for building native-like Web, Electron and Hybrid apps

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I=1+.015*A*B,O=30*Math.exp(-1*((S-275)/25)**2),H=2*Math.sqrt(R/(R+Zt)),j=(y/(i*T))**2;return j+=(C/(s*D))**2,j+=(M/(n*I))**2,j+=-1*Math.sin(2*O*Vt)*H*(C/(s*D))*(M/(n*I)),Math.sqrt(j)}const Kt=[[.819022437996703,.3619062600528904,-.1288737815209879],[.0329836539323885,.9292868615863434,.0361446663506424],[.0481771893596242,.2642395317527308,.6335478284694309]],Jt=[[1.2268798758459243,-.5578149944602171,.2813910456659647],[-.0405757452148008,1.112286803280317,-.0717110580655164],[-.0763729366746601,-.4214933324022432,1.5869240198367816]],Qt=[[.210454268309314,.7936177747023054,-.0040720430116193],[1.9779985324311684,-2.42859224204858,.450593709617411],[.0259040424655478,.7827717124575296,-.8086757549230774]],te=[[1,.3963377773761749,.2158037573099136],[1,-.1055613458156586,-.0638541728258133],[1,-.0894841775298119,-1.2914855480194092]];var ee=new Dt({id:"oklab",name:"Oklab",coords:{l:{refRange:[0,1],name:"Lightness"},a:{refRange:[-.4,.4]},b:{refRange:[-.4,.4]}},white:"D65",base:It,fromBase(t){let e=lt(t,Kt);return e[0]=Math.cbrt(e[0]),e[1]=Math.cbrt(e[1]),e[2]=Math.cbrt(e[2]),lt(e,Qt,e)},toBase(t){let e=lt(t,te);return e[0]=e[0]**3,e[1]=e[1]**3,e[2]=e[2]**3,lt(e,Jt,e)},formats:{oklab:{coords:["<percentage> | <number>","<number> | <percentage>","<number> | <percentage>"]}}});function ie(t,e){[t,e]=Tt([t,e]);let[i,s,n]=ee.from(t),[a,r,o]=ee.from(e),l=i-a,h=s-r,d=n-o;return Math.sqrt(l**2+h**2+d**2)}function se(t,e,{epsilon:i=75e-6}={}){t=Tt(t),e||(e=t.space),e=Dt.get(e);let s=t.coords;return e!==t.space&&(s=e.from(t)),e.inGamut(s,{epsilon:i})}function ne(t,e){t=Tt(t);let i,s=Dt.get(e,e?.space),n=e?.precision;return i=!s||t.space.equals(s)?t.coords.slice():s.from(t),void 0===n?i:i.map((t=>mt(t,n)))}function ae(t,e){if(t=Tt(t),"alpha"===e)return t.alpha??1;let{space:i,index:s}=Dt.resolveCoord(e,t.space);return ne(t,i)[s]}function re(t,e,i,s){return t=Tt(t),Array.isArray(e)&&([e,i,s]=[t.space,e,i]),e=Dt.get(e),t.coords=e===t.space?i.slice():e.to(t.space,i),void 0!==s&&(t.alpha=s),t}function oe(t,e,i){if(t=Tt(t),2===arguments.length&&"object"===dt(arguments[1])){let e=arguments[1];for(let i in e)oe(t,i,e[i])}else if("function"==typeof i&&(i=i(ae(t,e))),"alpha"===e)t.alpha=i;else{let{space:s,index:n}=Dt.resolveCoord(e,t.space),a=ne(t,s);a[n]=i,re(t,s,a)}return t}function le(t){return{space:t.space,coords:t.coords.slice(),alpha:t.alpha}}re.returns="color",oe.returns="color";const he=Math.PI/180;var de=new Dt({id:"xyz-abs-d65",cssId:"--xyz-abs-d65",name:"Absolute XYZ D65",coords:{x:{refRange:[0,9504.7],name:"Xa"},y:{refRange:[0,1e4],name:"Ya"},z:{refRange:[0,10888.3],name:"Za"}},base:It,fromBase:t=>t.map((t=>Math.max(203*t,0))),toBase:t=>t.map((t=>Math.max(t/203,0)))});const 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