6 lines
18 KiB
JavaScript
6 lines
18 KiB
JavaScript
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/**
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* @monogrid/gainmap-js v3.4.0
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* With ❤️, by MONOGRID <gainmap@monogrid.com>
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*/
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!function(e,t){"object"==typeof exports&&"undefined"!=typeof module?t(exports,require("three"),require("three/webgpu"),require("three/tsl")):"function"==typeof define&&define.amd?define(["exports","three","three/webgpu","three/tsl"],t):t((e="undefined"!=typeof globalThis?globalThis:e||self)["@monogrid/gainmap-js"]={},e.three,e["three/webgpu"],e["three/tsl"])}(this,function(e,t,r,a){"use strict";function i(e){return r=>{const{sdr:a,gainMap:i,renderer:n}=r;a.colorSpace!==t.SRGBColorSpace&&(console.warn("SDR Colorspace needs to be *SRGBColorSpace*, setting it automatically"),a.colorSpace=t.SRGBColorSpace),a.needsUpdate=!0,i.colorSpace!==t.LinearSRGBColorSpace&&(console.warn("Gainmap Colorspace needs to be *LinearSRGBColorSpace*, setting it automatically"),i.colorSpace=t.LinearSRGBColorSpace),i.needsUpdate=!0;const s=e.createMaterial({...r,sdr:a,gainMap:i});return e.createQuadRenderer({width:a.image.width,height:a.image.height,type:t.HalfFloatType,colorSpace:t.LinearSRGBColorSpace,material:s,renderer:n,renderTargetOptions:r.renderTargetOptions})}}class n extends Error{}class s extends Error{}const o=(e,t,r)=>{const a=new RegExp(`${t}="([^"]*)"`,"i").exec(e);if(a)return a[1];const i=new RegExp(`<${t}[^>]*>([\\s\\S]*?)</${t}>`,"i").exec(e);if(i){const e=i[1].match(/<rdf:li>([^<]*)<\/rdf:li>/g);return e&&3===e.length?e.map(e=>e.replace(/<\/?rdf:li>/g,"")):i[1].trim()}if(void 0!==r)return r;throw new Error(`Can't find ${t} in gainmap metadata`)},d=e=>{let t;t="undefined"!=typeof TextDecoder?(new TextDecoder).decode(e):e.toString();let r=t.indexOf("<x:xmpmeta");for(;-1!==r;){const e=t.indexOf("x:xmpmeta>",r),a=t.slice(r,e+10);try{const e=o(a,"hdrgm:GainMapMin","0"),t=o(a,"hdrgm:GainMapMax"),r=o(a,"hdrgm:Gamma","1"),i=o(a,"hdrgm:OffsetSDR","0.015625"),n=o(a,"hdrgm:OffsetHDR","0.015625"),s=/hdrgm:HDRCapacityMin="([^"]*)"/.exec(a),d=s?s[1]:"0",p=/hdrgm:HDRCapacityMax="([^"]*)"/.exec(a);if(!p)throw new Error("Incomplete gainmap metadata");const h=p[1];return{gainMapMin:Array.isArray(e)?e.map(e=>parseFloat(e)):[parseFloat(e),parseFloat(e),parseFloat(e)],gainMapMax:Array.isArray(t)?t.map(e=>parseFloat(e)):[parseFloat(t),parseFloat(t),parseFloat(t)],gamma:Array.isArray(r)?r.map(e=>parseFloat(e)):[parseFloat(r),parseFloat(r),parseFloat(r)],offsetSdr:Array.isArray(i)?i.map(e=>parseFloat(e)):[parseFloat(i),parseFloat(i),parseFloat(i)],offsetHdr:Array.isArray(n)?n.map(e=>parseFloat(e)):[parseFloat(n),parseFloat(n),parseFloat(n)],hdrCapacityMin:parseFloat(d),hdrCapacityMax:parseFloat(h)}}catch(e){}r=t.indexOf("<x:xmpmeta",e)}};class p{options;constructor(e){this.options={debug:!(!e||void 0===e.debug)&&e.debug,extractFII:!e||void 0===e.extractFII||e.extractFII,extractNonFII:!e||void 0===e.extractNonFII||e.extractNonFII}}extract(e){return new Promise((t,r)=>{const a=this.options.debug,i=new DataView(e.buffer);if(65496!==i.getUint16(0))return void r(new Error("Not a valid jpeg"));const n=i.byteLength;let s,o=2,d=0;for(;o<n;){if(++d>250)return void r(new Error(`Found no marker after ${d} loops 😵`));if(255!==i.getUint8(o))return void r(new Error(`Not a valid marker at offset 0x${o.toString(16)}, found: 0x${i.getUint8(o).toString(16)}`));if(s=i.getUint8(o+1),a&&console.log(`Marker: ${s.toString(16)}`),226===s){a&&console.log("Found APP2 marker (0xffe2)");const e=o+4;if(1297106432===i.getUint32(e)){const a=e+4;let n;if(18761===i.getUint16(a))n=!1;else{if(19789!==i.getUint16(a))return void r(new Error("No valid endianness marker found in TIFF header"));n=!0}if(42!==i.getUint16(a+2,!n))return void r(new Error("Not valid TIFF data! (no 0x002A marker)"));const s=i.getUint32(a+4,!n);if(s<8)return void r(new Error("Not valid TIFF data! (First offset less than 8)"));const o=a+s,d=i.getUint16(o,!n),p=o+2;let h=0;for(let e=p;e<p+12*d;e+=12)45057===i.getUint16(e,!n)&&(h=i.getUint32(e+8,!n));const g=o+2+12*d+4,l=[];for(let e=g;e<g+16*h;e+=16){const t={MPType:i.getUint32(e,!n),size:i.getUint32(e+4,!n),dataOffset:i.getUint32(e+8,!n),dependantImages:i.getUint32(e+12,!n),start:-1,end:-1,isFII:!1};t.dataOffset?(t.start=a+t.dataOffset,t.isFII=!1):(t.start=0,t.i
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