/* COPYRIGHT Esri - https://js.arcgis.com/5.0/LICENSE.txt */
import{__decorate as t}from"tslib";import{uniform as r,UniformGroup as o}from"../../../GraphShaderModule.js";import{Vec4 as e,IVec2 as i,Int as u,texelFetch as m,max as p,min as a,Vec3 as n,clamp as d,step as s,Float as f,sign as c,pow as l,Sampler2D as v}from"../../../graph/glsl.js";import{oneMinus as x}from"../utils.js";import{invertValue as y}from"./processor/math.js";class b extends o{}t([r(f)],b.prototype,"minOutput",void 0),t([r(f)],b.prototype,"maxOutput",void 0),t([r(n)],b.prototype,"minCutOff",void 0),t([r(n)],b.prototype,"maxCutOff",void 0),t([r(n)],b.prototype,"factor",void 0),t([r(n)],b.prototype,"gamma",void 0),t([r(n)],b.prototype,"gammaCorrection",void 0);class O extends o{}function g(t,r){const{minCutOff:o,maxCutOff:e,factor:i,minOutput:u}=r;return d(t,o,e).subtract(o).multiply(i).add(u)}function C(t,r){const{minCutOff:o,maxCutOff:e,minOutput:i,maxOutput:u,gamma:m,gammaCorrection:p}=r,a=d(t,o,e).subtract(o),v=e.subtract(o),y=a.divide(v),b=s(new f(1),m),O=c(m.subtract(1)),g=u.subtract(i),C=new n(1),T=l(C.divide(g),y.multiply(p)),w=x(b.multiply(O).multiply(T)),h=l(y,C.divide(m)),j=w.multiply(g).multiply(h).add(i);return d(j,i,u)}function T(t,r,o,i=255){const u=o?C(t.rgb,r).divide(i):g(t.rgb,r);return new e(u,t.a)}function w(t,r,o,d,s){const f=new i(0,0),c=new u(0);let l=m(o.minTexture,f,c).rgb,v=m(o.maxTexture,f,c).rgb;if(s){const t=m(o.meanTexture,f,c).rgb,r=m(o.stddevTexture,f,c).rgb.multiply(o.numberOfStandardDeviations);l=p(l,t.subtract(r)),v=a(v,t.add(r))}const x=v.subtract(l),b=new n(y(x.x),y(x.y),y(x.z)),O=r.maxOutput.subtract(r.minOutput).multiply(b),T={...r,minCutOff:l,maxCutOff:v,factor:O},w=d?C(t.rgb,T).divide(255):g(t.rgb,T);return new e(w,t.a)}t([r(v)],O.prototype,"minTexture",void 0),t([r(v)],O.prototype,"maxTexture",void 0),t([r(v)],O.prototype,"meanTexture",void 0),t([r(v)],O.prototype,"stddevTexture",void 0),t([r(f)],O.prototype,"numberOfStandardDeviations",void 0);export{O as StatisticsConfig,b as StretchConfig,T as stretch,w as stretchWithStatisticsTexture};
