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1A<e;A++)i[A]=t[A];return i}var r=t("object-assign"),n=t("webworkify"),a=t("./lib/mathlib"),o=t("./lib/pool"),s=t("./lib/utils"),h=t("./lib/worker"),u=t("./lib/stepper"),c=t("./lib/tiler"),g=t("./lib/mm_resize/resize_filter_info"),f={},l=!1;try{"undefined"!=typeof navigator&&navigator.userAgent&&(l=navigator.userAgent.indexOf("Safari")>=0)}catch(t){}var I=1;"undefined"!=typeof navigator&&(I=Math.min(navigator.hardwareConcurrency||1,4));var d={tile:1024,concurrency:I,features:["js","wasm","ww"],idle:2e3,createCanvas:function(t,e){var A=document.createElement("canvas");return A.width=t,A.height=e,A}},B={filter:"mks2013",unsharpAmount:0,unsharpRadius:0,unsharpThreshold:0},m=!1,Q=!1,E=!1,p=!1,w=!1;function C(){return{value:n(h),destroy:function(){if(this.value.terminate(),"undefined"!=typeof window){var t=window.URL||window.webkitURL||window.mozURL||window.msURL;t&&t.revokeObjectURL&&this.value.objectURL&&t.revokeObjectURL(this.value.objectURL)}}}}function _(t){if(!(this instanceof _))return new _(t);this.options=r({},d,t||{});var e="lk_".concat(this.options.concurrency);this.__limit=f[e]||s.limiter(this.options.concurrency),f[e]||(f[e]=this.__limit),this.features={js:!1,wasm:!1,cib:!1,ww:!1},this.__workersPool=null,this.__requested_features=[],this.__mathlib=null}_.prototype.init=function(){var e,A,i=this;if(this.__initPromise)return this.__initPromise;if("undefined"!=typeof ImageData&&"undefined"!=typeof Uint8ClampedArray)try{new ImageData(new Uint8ClampedArray(400),10,10),m=!0}catch(t){}"undefined"!=typeof ImageBitmap&&(ImageBitmap.prototype&&ImageBitmap.prototype.close?Q=!0:this.debug("ImageBitmap does not support .close(), disabled"));var n=this.options.features.slice();if(n.indexOf("all")>=0&&(n=["cib","wasm","js","ww"]),this.__requested_features=n,this.__mathlib=new a(n),n.indexOf("ww")>=0&&"undefined"!=typeof window&&"Worker"in window)try{t("webworkify")(function(){}).terminate(),this.features.ww=!0;var h="wp_".concat(JSON.stringify(this.options));f[h]?this.__workersPool=f[h]:(this.__workersPool=new o(C,this.options.idle),f[h]=this.__workersPool)}catch(t){}var u=this.__mathlib.init().then(function(t){r(i.features,t.features)});e=Q?s.cib_support(this.options.createCanvas).then(function(t){if(i.features.cib&&0>n.indexOf("cib")){i.debug("createImageBitmap() resize supported, but disabled by config");return}n.indexOf("cib")>=0&&(i.features.cib=t)}):Promise.resolve(!1),E=s.can_use_canvas(this.options.createCanvas),A=(A=Q&&m&&-1!==n.indexOf("ww")?s.worker_offscreen_canvas_support():Promise.resolve(!1)).then(function(t){p=t});var c=s.cib_can_use_region().then(function(t){w=t});return this.__initPromise=Promise.all([u,e,A,c]).then(function(){return i}),this.__initPromise},_.prototype.__invokeResize=function(t,e){var A=this;return e.__mathCache=e.__mathCache||{},Promise.resolve().then(function(){return A.features.ww?new Promise(function(i,r){var n=A.__workersPool.acquire();e.cancelToken&&e.cancelToken.catch(function(t){return r(t)}),n.value.onmessage=function(t){n.release(),t.data.err?r(t.data.err):i(t.data)};var a=[];t.src&&a.push(t.src.buffer),t.srcBitmap&&a.push(t.srcBitmap),n.value.postMessage({opts:t,features:A.__requested_features,preload:{wasm_nodule:A.__mathlib.__}},a)}):{data:A.__mathlib.resizeAndUnsharp(t,e.__mathCache)}})},_.prototype.__extractTileData=function(t,e,A,i,r){if(this.features.ww&&p&&(s.isCanvas(e)||w))return this.debug("Create tile for OffscreenCanvas"),createImageBitmap(i.srcImageBitmap||e,t.x,t.y,t.width,t.height).then(function(t){return r.srcBitmap=t,r});if(s.isCanvas(e))return i.srcCtx||(i.srcCtx=e.getContext("2d")),this.debug("Get tile pixel data"),r.src=i.srcCtx.getImageData(t.x,t.y,t.width,t.height).data,r;this.debug("Draw tile imageBitmap/image to temporary canvas");var n=this.options.createCanvas(t.width,t.height),a=n.getContext("2d");return a.globalCompositeOperation="copy",a.drawImage(i.srcImageBitmap||e,t.x,t.y,t.width,t.height,0,0,t.width,t.height),this.debug("Get tile pixel data"),r.src=a.getImageData(0,0,t.width,t.height).data,n.width=n.height=0,r},_.prototype.__landTileData=function(t,e,A){var i;if(this.debug("Convert raw rgba tile result to ImageData"),e.bitmap)return A.toCtx.drawImage(e.bitmap,t.toX,t.toY),null;if(m)i=new ImageData(new Uint8ClampedArray(e.data),t.toWidth,t.toHeight);else if((i=A.toCtx.createImageData(t.toWidth,t.toHeight)).data.set)i.data.set(e.data);else for(var r=i.data.length-1;r>=0;r--)i.data[r]=e.data[r];return this.debug("Draw tile"),l?A.toCtx.putImageData(i,t.toX,t.toY,t.toInnerX-t.toX,t.toInnerY-t.toY,t.toInnerWidth+1e-5,t.toInnerHeight+1e-5):A.toCtx.putImageData(i,t.toX,t.toY,t.toInnerX-t.toX,t.toInnerY-t.toY,t.toInnerWidth,t.toInnerHeight),null},_.prototype.__tileAndResize=function(t,e,A){var i=this,r={srcCtx:null,srcImageBitmap:null,isImageBitmapReused:!1,toCtx:null};return Promise.resolve().then(function(){if(r.toCtx=e.getContext("2d"),s.isCanvas(t))return null;if(s.isImageBitmap(t))return r.srcImageBitmap=t,r.isImageBitmapReused=!0,null;if(s.isImage(t))return Q?(i.debug("Decode image via createImageBitmap"),createImageBitmap(t).then(function(t){r.srcImageBitmap=t}).catch(function(t){return null})):null;throw Error('Pica: ".from" should be Image, Canvas or ImageBitmap')}).then(function(){if(A.canceled)return A.cancelToken;i.debug("Calculate tiles");var n=c({width:A.width,height:A.height,srcTileSize:i.options.tile,toWidth:A.toWidth,toHeight:A.toHeight,destTileBorder:A.__destTileBorder}).map(function(e){return i.__limit(function(){if(A.canceled)return A.cancelToken;var n={width:e.width,height:e.height,toWidth:e.toWidth,toHeight:e.toHeight,scaleX:e.scaleX,scaleY:e.scaleY,offsetX:e.offsetX,offsetY:e.offsetY,filter:A.filter,unsharpAmount:A.unsharpAmount,unsharpRadius:A.unsharpRadius,unsharpThreshold:A.unsharpThreshold};return i.debug("Invoke resize math"),Promise.resolve(n).then(function(n){return i.__extractTileData(e,t,A,r,n)}).then(function(t){return i.debug("Invoke resize math"),i.__invokeResize(t,A)}).then(function(t){return A.canceled?A.cancelToken:(r.srcImageData=null,i.__landTileData(e,t,r))})})});function a(t){t.srcImageBitmap&&(t.isImageBitmapReused||t.srcImageBitmap.close(),t.srcImageBitmap=null)}return i.debug("Process tiles"),Promise.all(n).then(function(){return i.debug("Finished!"),a(r),e},function(t){throw a(r),t})})},_.prototype.__processStages=function(t,e,A,n){var a,o,s,h=this;if(n.canceled)return n.cancelToken;var u=function(t){if(Array.isArray(t))return t}(a=t.shift())||function(t,e){var A,i,r=null==t?null:"undefined"!=typeof Symbol&&t[Symbol.iterator]||t["@@iterator"];if(null!=r){var n=[],a=!0,o=!1;try{for(r=r.call(t);!(a=(A=r.next()).done)&&(n.push(A.value),2!==n.length);a=!0);}catch(t){o=!0,i=t}finally{try{a||null==r.return||r.return()}finally{if(o)throw i}}return n}}(a,2)||function(t,e){if(t){if("string"==typeof t)return i(t,2);var A=Object.prototype.toString.call(t).slice(8,-1);if("Object"===A&&t.constructor&&(A=t.constructor.name),"Map"===A||"Set"===A)return Array.from(t);if("Arguments"===A||/^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(A))return i(t,2)}}
1(a,2)||function(){throw TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}(),c=u[0],f=u[1],l=0===t.length;return o=l||0>g.q2f.indexOf(n.filter)?n.filter:"box"===n.filter?"box":"hamming",n=r({},n,{toWidth:c,toHeight:f,filter:o}),l||(s=this.options.createCanvas(c,f)),this.__tileAndResize(e,l?A:s,n).then(function(){return l?A:(n.width=c,n.height=f,h.__processStages(t,s,A,n))}).then(function(t){return s&&(s.width=s.height=0),t})},_.prototype.__resizeViaCreateImageBitmap=function(t,e,A){var i=this,r=e.getContext("2d");return this.debug("Resize via createImageBitmap()"),createImageBitmap(t,{resizeWidth:A.toWidth,resizeHeight:A.toHeight,resizeQuality:s.cib_quality_name(g.f2q[A.filter])}).then(function(t){if(A.canceled)return A.cancelToken;if(!A.unsharpAmount)return r.drawImage(t,0,0),t.close(),r=null,i.debug("Finished!"),e;i.debug("Unsharp result");var n=i.options.createCanvas(A.toWidth,A.toHeight),a=n.getContext("2d");a.drawImage(t,0,0),t.close();var o=a.getImageData(0,0,A.toWidth,A.toHeight);return i.__mathlib.unsharp_mask(o.data,A.toWidth,A.toHeight,A.unsharpAmount,A.unsharpRadius,A.unsharpThreshold),r.putImageData(o,0,0),n.width=n.height=0,o=a=n=r=null,i.debug("Finished!"),e})},_.prototype.resize=function(t,e,A){var i=this;this.debug("Start resize...");var n=r({},B);if(isNaN(A)?A&&(n=r(n,A)):n=r(n,{quality:A}),n.toWidth=e.width,n.toHeight=e.height,n.width=t.naturalWidth||t.width,n.height=t.naturalHeight||t.height,Object.prototype.hasOwnProperty.call(n,"quality")){if(n.quality<0||n.quality>3)throw Error("Pica: .quality should be [0..3], got ".concat(n.quality));n.filter=g.q2f[n.quality]}return 0===e.width||0===e.height?Promise.reject(Error("Invalid output size: ".concat(e.width,"x").concat(e.height))):(n.unsharpRadius>2&&(n.unsharpRadius=2),n.canceled=!1,n.cancelToken&&(n.cancelToken=n.cancelToken.then(function(t){throw n.canceled=!0,t},function(t){throw n.canceled=!0,t})),n.__destTileBorder=Math.ceil(Math.max(3,2.5*n.unsharpRadius|0)),this.init().then(function(){if(n.canceled)return n.cancelToken;if(i.features.cib){if(g.q2f.indexOf(n.filter)>=0)return i.__resizeViaCreateImageBitmap(t,e,n);i.debug("cib is enabled, but not supports provided filter, fallback to manual math")}if(!E){var A=Error("Pica: cannot use getImageData on canvas, make sure fingerprinting protection isn't enabled");throw A.code="ERR_GET_IMAGE_DATA",A}var r=u(n.width,n.height,n.toWidth,n.toHeight,i.options.tile,n.__destTileBorder);return i.__processStages(r,t,e,n)}))},_.prototype.resizeBuffer=function(t){var e=this,A=r({},B,t);if(Object.prototype.hasOwnProperty.call(A,"quality")){if(A.quality<0||A.quality>3)throw Error("Pica: .quality should be [0..3], got ".concat(A.quality));A.filter=g.q2f[A.quality]}return this.init().then(function(){return e.__mathlib.resizeAndUnsharp(A)})},_.prototype.toBlob=function(t,e,A){return e=e||"image/png",new Promise(function(i){if(t.toBlob){t.toBlob(function(t){return i(t)},e,A);return}if(t.convertToBlob){i(t.convertToBlob({type:e,quality:A}));return}for(var r=atob(t.toDataURL(e,A).split(",")[1]),n=r.length,a=new Uint8Array(n),o=0;o<n;o++)a[o]=r.charCodeAt(o);i(new Blob([a],{type:e}))})},_.prototype.debug=function(){},e.exports=_},{"./lib/mathlib":1,"./lib/mm_resize/resize_filter_info":7,"./lib/pool":13,"./lib/stepper":14,"./lib/tiler":15,"./lib/utils":16,"./lib/worker":17,"object-assign":22,webworkify:23}]},{},[])("/index.js")},t.exports=e()}}]);
Line numbers count LF bytes from the start of the resource, as the search results do. Vendor segments are library code the classifier recognised; they are stored but not indexed. Bytes are shown as Latin1 characters, one per byte.