pica/dist/pica.min.js

High quality image resize in browser.

/*!

pica
https://github.com/nodeca/pica

*/
!function(t){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=t();else if("function"==typeof define&&define.amd)define([],t);else{("undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this).pica=t()}}((function(){return function t(e,r,i){function n(A,o){if(!r[A]){if(!e[A]){var s="function"==typeof require&&require;if(!o&&s)return s(A,!0);if(a)return a(A,!0);var u=new Error("Cannot find module '"+A+"'");throw u.code="MODULE_NOT_FOUND",u}var h=r[A]={exports:{}};e[A][0].call(h.exports,(function(t){return n(e[A][1][t]||t)}),h,h.exports,t,e,r,i)}return r[A].exports}for(var a="function"==typeof require&&require,A=0;A<i.length;A++)n(i[A]);return n}({1:[function(t,e,r){"use strict";var i=t("inherits"),n=t("multimath"),a=t("./mm_unsharp_mask"),A=t("./mm_resize");function o(t){var e=t||[],r={js:e.indexOf("js")>=0,wasm:e.indexOf("wasm")>=0};n.call(this,r),this.features={js:r.js,wasm:r.wasm&&this.has_wasm()},this.use(a),this.use(A)}i(o,n),o.prototype.resizeAndUnsharp=function(t,e){var r=this.resize(t,e);return t.unsharpAmount&&this.unsharp_mask(r,t.toWidth,t.toHeight,t.unsharpAmount,t.unsharpRadius,t.unsharpThreshold),r},e.exports=o},{"./mm_resize":4,"./mm_unsharp_mask":9,inherits:19,multimath:20}],2:[function(t,e,r){"use strict";function i(t){return t<0?0:t>255?255:t}e.exports={convolveHorizontally:function(t,e,r,n,a,A){var o,s,u,h,c,f,l,g,d,m,p,I=0,w=0;for(d=0;d<n;d++){for(c=0,m=0;m<a;m++){for(f=A[c++],l=A[c++],g=I+4*f|0,o=s=u=h=0;l>0;l--)h=h+(p=A[c++])*t[g+3]|0,u=u+p*t[g+2]|0,s=s+p*t[g+1]|0,o=o+p*t[g]|0,g=g+4|0;e[w+3]=i(h+8192>>14),e[w+2]=i(u+8192>>14),e[w+1]=i(s+8192>>14),e[w]=i(o+8192>>14),w=w+4*n|0}w=4*(d+1)|0,I=(d+1)*r*4|0}},convolveVertically:function(t,e,r,n,a,A){var o,s,u,h,c,f,l,g,d,m,p,I=0,w=0;for(d=0;d<n;d++){for(c=0,m=0;m<a;m++){for(f=A[c++],l=A[c++],g=I+4*f|0,o=s=u=h=0;l>0;l--)h=h+(p=A[c++])*t[g+3]|0,u=u+p*t[g+2]|0,s=s+p*t[g+1]|0,o=o+p*t[g]|0,g=g+4|0;e[w+3]=i(h+8192>>14),e[w+2]=i(u+8192>>14),e[w+1]=i(s+8192>>14),e[w]=i(o+8192>>14),w=w+4*n|0}w=4*(d+1)|0,I=(d+1)*r*4|0}}}},{}],3:[function(t,e,r){"use strict";e.exports="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"},{}],4:[function(t,e,r){"use strict";e.exports={name:"resize",fn:t("./resize"),wasm_fn:t("./resize_wasm"),wasm_src:t("./convolve_wasm_base64")}},{"./convolve_wasm_base64":3,"./resize":5,"./resize_wasm":8}],5:[function(t,e,r){"use strict";var i=t("./resize_filter_gen"),n=t("./convolve").convolveHorizontally,a=t("./convolve").convolveVertically;e.exports=function(t){var e=t.src,r=t.width,A=t.height,o=t.toWidth,s=t.toHeight,u=t.scaleX||t.toWidth/t.width,h=t.scaleY||t.toHeight/t.height,c=t.offsetX||0,f=t.offsetY||0,l=t.dest||new Uint8Array(o*s*4),g=t.alpha||!1,d=void 0===t.filter?"mks2013":t.filter,m=i(d,r,o,u,c),p=i(d,A,s,h,f),I=new Uint8Array(o*A*4);return n(e,I,r,A,o,m),a(I,l,A,o,s,p),g||function(t,e,r){for(var i=3,n=e*r*4|0;i<n;)t[i]=255,i=i+4|0}(l,o,s),l}},{"./convolve":2,"./resize_filter_gen":6}],6:[function(t,e,r){"use strict";var i=t("./resize_filter_info");function n(t){return Math.round(16383*t)}e.exports=function(t,e,r,a,A){var o,s,u,h,c,f,l,g,d,m,p,I,w,_,B,b,y,v=i.filter[t].fn,Q=1/a,C=Math.min(1,a),E=i.filter[t].win/C,x=Math.floor(2*(E+1)),M=new Int16Array((x+2)*r),D=0,G=!M.subarray||!M.set;for(o=0;o<r;o++){for(s=(o+.5)*Q+A,u=Math.max(0,Math.floor(s-E)),c=(h=Math.min(e-1,Math.ceil(s+E)))-u+1,f=new Float32Array(c),l=new Int16Array(c),g=0,d=u,m=0;d<=h;d++,m++)g+=p=v((d+.5-s)*C),f[m]=p;for(I=0,m=0;m<f.length;m++)I+=w=f[m]/g,l[m]=n(w);for(l[r>>1]+=n(1-I),_=0;_<l.length&&0===l[_];)_++;if(_<l.length){for(B=l.length-1;B>0&&0===l[B];)B--;if(b=u+_,y=B-_+1,M[D++]=b,M[D++]=y,G)for(m=_;m<=B;m++)M[D++]=l[m];else M.set(l.subarray(_,B+1),D),D+=y}else M[D++]=0,M[D++]=0}return M}},{"./resize_filter_info":7}],7:[function(t,e,r){"use strict";var i={box:{win:.5,fn:function(t){return t<0&&(t=-t),t<.5?1:0}},hamming:{win:1,fn:function(t){if(t<0&&(t=-t),t>=1)return 0;if(t<1.1920929e-7)return 1;var e=t*Math.PI;return Math.sin(e)/e*(.54+.46*Math.cos(e/1))}},lanczos2:{win:2,fn:function(t){if(t<0&&(t=-t),t>=2)return 0;if(t<1.1920929e-7)return 1;var e=t*Math.PI;return Math.sin(e)/e*Math.sin(e/2)/(e/2)}},lanczos3:{win:3,fn:function(t){if(t<0&&(t=-t),t>=3)return 0;if(t<1.1920929e-7)return 1;var e=t*Math.PI;return Math.sin(e)/e*Math.sin(e/3)/(e/3)}},mks2013:{win:2.5,fn:function(t){return t<0&&(t=-t),t>=2.5?0:t>=1.5?-.125*(t-2.5)*(t-2.5):t>=.5?.25*(4*t*t-11*t+7):1.0625-1.75*t*t}}};e.exports={filter:i,f2q:{box:0,hamming:1,lanczos2:2,lanczos3:3},q2f:["box","hamming","lanczos2","lanczos3"]}},{}],8:[function(t,e,r){"use strict";var i=t("./resize_filter_gen");var n=!0;try{n=1===new Uint32Array(new Uint8Array([1,0,0,0]).buffer)[0]}catch(t){}function a(t,e,r){if(n)e.set(function(t){return new Uint8Array(t.buffer,0,t.byteLength)}(t),r);else for(var i=r,a=0;a<t.length;a++){var A=t[a];e[i++]=255&A,e[i++]=A>>8&255}}e.exports=function(t){var e=t.src,r=t.width,n=t.height,A=t.toWidth,o=t.toHeight,s=t.scaleX||t.toWidth/t.width,u=t.scaleY||t.toHeight/t.height,h=t.offsetX||0,c=t.offsetY||0,f=t.dest||new Uint8Array(A*o*4),l=t.alpha||!1,g=void 0===t.filter?"mks2013":t.filter,d=i(g,r,A,s,h),m=i(g,n,o,u,c),p=this.__align(0+Math.max(e.byteLength,f.byteLength)),I=this.__align(p+n*A*4),w=this.__align(I+d.byteLength),_=w+m.byteLength,B=this.__instance("resize",_),b=new Uint8Array(this.__memory.buffer),y=new Uint32Array(this.__memory.buffer),v=new Uint32Array(e.buffer);return y.set(v),a(d,b,I),a(m,b,w),(B.exports.convolveHV||B.exports._convolveHV)(I,w,p,r,n,A,o),new Uint32Array(f.buffer).set(new Uint32Array(this.__memory.buffer,0,o*A)),l||function(t,e,r){for(var i=3,n=e*r*4|0;i<n;)t[i]=255,i=i+4|0}(f,A,o),f}},{"./resize_filter_gen":6}],9:[function(t,e,r){"use strict";e.exports={name:"unsharp_mask",fn:t("./unsharp_mask"),wasm_fn:t("./unsharp_mask_wasm"),wasm_src:t("./unsharp_mask_wasm_base64")}},{"./unsharp_mask":10,"./unsharp_mask_wasm":11,"./unsharp_mask_wasm_base64":12}],10:[function(t,e,r){"use strict";var i=t("glur/mono16");e.exports=function(t,e,r,n,a,A){var o,s,u,h,c;if(!(0===n||a<.5)){a>2&&(a=2);var f=function(t,e,r){for(var i,n,a,A,o=e*r,s=new Uint16Array(o),u=0;u<o;u++)i=t[4*u],n=t[4*u+1],a=t[4*u+2],A=i>=n&&i>=a?i:n>=a&&n>=i?n:a,s[u]=A<<8;return s}(t,e,r),l=new Uint16Array(f);i(l,e,r,a);for(var g=n/100*4096+.5|0,d=A<<8,m=e*r,p=0;p<m;p++)h=(o=f[p])-l[p],Math.abs(h)>=d&&(u=((s=(s=(s=o+(g*h+2048>>12))>65280?65280:s)<0?0:s)<<12)/(o=0!==o?o:1)|0,t[c=4*p]=t[c]*u+2048>>12,t[c+1]=t[c+1]*u+2048>>12,t[c+2]=t[c+2]*u+2048>>12)}}},{"glur/mono16":18}],11:[function(t,e,r){"use strict";e.exports=function(t,e,r,i,n,a){if(!(0===i||n<.5)){n>2&&(n=2);var A=e*r,o=4*A,s=2*A,u=2*A,h=4*Math.max(e,r),c=o,f=c+s,l=f+u,g=l+u,d=g+h,m=this.__instance("unsharp_mask",o+s+2*u+h+32,{exp:Math.exp}),p=new Uint32Array(t.buffer);new Uint32Array(this.__memory.buffer).set(p);var I=m.exports.hsv_v16||m.exports._hsv_v16;I(0,c,e,r),(I=m.exports.blurMono16||m.exports._blurMono16)(c,f,l,g,d,e,r,n),(I=m.exports.unsharp||m.exports._unsharp)(0,0,c,f,e,r,i,a),p.set(new Uint32Array(this.__memory.buffer,0,A))}}},{}],12:[function(t,e,r){"use 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strict";function i(t,e){this.create=t,this.available=[],this.acquired={},this.lastId=1,this.timeoutId=0,this.idle=e||2e3}i.prototype.acquire=function(){var t,e=this;return 0!==this.available.length?t=this.available.pop():((t=this.create()).id=this.lastId++,t.release=function(){return e.release(t)}),this.acquired[t.id]=t,t},i.prototype.release=function(t){var e=this;delete this.acquired[t.id],t.lastUsed=Date.now(),this.available.push(t),0===this.timeoutId&&(this.timeoutId=setTimeout((function(){return e.gc()}),100))},i.prototype.gc=function(){var t=this,e=Date.now();this.available=this.available.filter((function(r){return!(e-r.lastUsed>t.idle)||(r.destroy(),!1)})),0!==this.available.length?this.timeoutId=setTimeout((function(){return t.gc()}),100):this.timeoutId=0},e.exports=i},{}],14:[function(t,e,r){"use strict";e.exports=function(t,e,r,i,n,a){var A=r/t,o=i/e,s=(2*a+2+1)/n;if(s>.5)return[[r,i]];var u=Math.ceil(Math.log(Math.min(A,o))/Math.log(s));if(u<=1)return[[r,i]];for(var h=[],c=0;c<u;c++){var f=Math.round(Math.pow(Math.pow(t,u-c-1)*Math.pow(r,c+1),1/u)),l=Math.round(Math.pow(Math.pow(e,u-c-1)*Math.pow(i,c+1),1/u));h.push([f,l])}return h}},{}],15:[function(t,e,r){"use strict";var i=1e-5;function n(t){var e=Math.round(t);return Math.abs(t-e)<i?e:Math.floor(t)}function a(t){var e=Math.round(t);return Math.abs(t-e)<i?e:Math.ceil(t)}e.exports=function(t){var e,r,i,A,o,s,u=t.toWidth/t.width,h=t.toHeight/t.height,c=n(t.srcTileSize*u)-2*t.destTileBorder,f=n(t.srcTileSize*h)-2*t.destTileBorder;if(c<1||f<1)throw new Error("Internal error in pica: target tile width/height is too small.");var l,g=[];for(A=0;A<t.toHeight;A+=f)for(i=0;i<t.toWidth;i+=c)(e=i-t.destTileBorder)<0&&(e=0),e+(o=i+c+t.destTileBorder-e)>=t.toWidth&&(o=t.toWidth-e),(r=A-t.destTileBorder)<0&&(r=0),r+(s=A+f+t.destTileBorder-r)>=t.toHeight&&(s=t.toHeight-r),l={toX:e,toY:r,toWidth:o,toHeight:s,toInnerX:i,toInnerY:A,toInnerWidth:c,toInnerHeight:f,offsetX:e/u-n(e/u),offsetY:r/h-n(r/h),scaleX:u,scaleY:h,x:n(e/u),y:n(r/h),width:a(o/u),height:a(s/h)},g.push(l);return g}},{}],16:[function(t,e,r){"use strict";function i(t){return Object.prototype.toString.call(t)}e.exports.isCanvas=function(t){var e=i(t);return"[object HTMLCanvasElement]"===e||"[object OffscreenCanvas]"===e||"[object Canvas]"===e},e.exports.isImage=function(t){return"[object HTMLImageElement]"===i(t)},e.exports.isImageBitmap=function(t){return"[object ImageBitmap]"===i(t)},e.exports.limiter=function(t){var e=0,r=[];function i(){e<t&&r.length&&(e++,r.shift()())}return function(t){return new Promise((function(n,a){r.push((function(){t().then((function(t){n(t),e--,i()}),(function(t){a(t),e--,i()}))})),i()}))}},e.exports.cib_quality_name=function(t){switch(t){case 0:return"pixelated";case 1:return"low";case 2:return"medium"}return"high"},e.exports.cib_support=function(t){return Promise.resolve().then((function(){if("undefined"==typeof createImageBitmap)return!1;var e=t(100,100);return createImageBitmap(e,0,0,100,100,{resizeWidth:10,resizeHeight:10,resizeQuality:"high"}).then((function(t){var r=10===t.width;return t.close(),e=null,r}))})).catch((function(){return!1}))},e.exports.worker_offscreen_canvas_support=function(){return new Promise((function(t,e){if("undefined"!=typeof OffscreenCanvas){var r=btoa("(".concat(function(t){"undefined"!=typeof createImageBitmap?Promise.resolve().then((function(){var t=new OffscreenCanvas(10,10);return t.getContext("2d").rect(0,0,1,1),createImageBitmap(t,0,0,1,1)})).then((function(){return t.postMessage(!0)}),(function(){return t.postMessage(!1)})):t.postMessage(!1)}.toString(),")(self);")),i=new Worker("data:text/javascript;base64,".concat(r));i.onmessage=function(e){return t(e.data)},i.onerror=e}else t(!1)})).then((function(t){return t}),(function(){return!1}))},e.exports.can_use_canvas=function(t){var e=!1;try{var r=t(2,1).getContext("2d"),i=r.createImageData(2,1);i.data[0]=12,i.data[1]=23,i.data[2]=34,i.data[3]=255,i.data[4]=45,i.data[5]=56,i.data[6]=67,i.data[7]=255,r.putImageData(i,0,0),i=null,12===(i=r.getImageData(0,0,2,1)).data[0]&&23===i.data[1]&&34===i.data[2]&&255===i.data[3]&&45===i.data[4]&&56===i.data[5]&&67===i.data[6]&&255===i.data[7]&&(e=!0)}catch(t){}return e},e.exports.cib_can_use_region=function(){return new Promise((function(t){if("undefined"!=typeof createImageBitmap){var e=new Image;e.src="data:image/jpeg;base64,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",e.onload=function(){createImageBitmap(e,0,0,e.width,e.height).then((function(r){r.width===e.width&&r.height===e.height?t(!0):t(!1)}),(function(){return t(!1)}))},e.onerror=function(){return t(!1)}}else t(!1)}))}},{}],17:[function(t,e,r){"use strict";e.exports=function(){var e,r=t("./mathlib");onmessage=function(t){var i=t.data.opts;if(!i.src&&i.srcBitmap){var n=new OffscreenCanvas(i.width,i.height),a=n.getContext("2d",{alpha:Boolean(i.alpha)});a.drawImage(i.srcBitmap,0,0),i.src=a.getImageData(0,0,i.width,i.height).data,n.width=n.height=0,n=null,i.srcBitmap.close(),i.srcBitmap=null}e||(e=new r(t.data.features));var A=e.resizeAndUnsharp(i);postMessage({data:A},[A.buffer])}}},{"./mathlib":1}],18:[function(t,e,r){var i,n,a,A,o,s;function u(t,e,r,i,n,a){var A,o,s,u,h,c,f,l,g,d,m,p,I,w;for(g=0;g<a;g++){for(f=g,l=0,u=h=(A=t[c=g*n])*i[6],m=i[0],p=i[1],I=i[4],w=i[5],d=0;d<n;d++)s=(o=t[c])*m+A*p+u*I+h*w,h=u,u=s,A=o,r[l]=u,l++,c++;for(l--,f+=a*(n-1),u=h=(A=t[--c])*i[7],o=A,m=i[2],p=i[3],d=n-1;d>=0;d--)s=o*m+A*p+u*I+h*w,h=u,u=s,A=o,o=t[c],e[f]=r[l]+u,c--,l--,f-=a}}e.exports=function(t,e,r,h){if(h){var c=new Uint16Array(t.length),f=new Float32Array(Math.max(e,r)),l=function(t){t<.5&&(t=.5);var e=Math.exp(.527076)/t,r=Math.exp(-e),u=Math.exp(-2*e),h=(1-r)*(1-r)/(1+2*e*r-u);return i=h,n=h*(e-1)*r,a=h*(e+1)*r,A=-h*u,o=2*r,s=-u,new Float32Array([i,n,a,A,o,s,(i+n)/(1-o-s),(a+A)/(1-o-s)])}(h);u(t,c,f,l,e,r),u(c,t,f,l,r,e)}}},{}],19:[function(t,e,r){"function"==typeof Object.create?e.exports=function(t,e){e&&(t.super_=e,t.prototype=Object.create(e.prototype,{constructor:{value:t,enumerable:!1,writable:!0,configurable:!0}}))}:e.exports=function(t,e){if(e){t.super_=e;var r=function(){};r.prototype=e.prototype,t.prototype=new r,t.prototype.constructor=t}}},{}],20:[function(t,e,r){"use strict";var i=t("object-assign"),n=t("./lib/base64decode"),a=t("./lib/wa_detect"),A={js:!0,wasm:!0};function o(t){if(!(this instanceof o))return new o(t);var e=i({},A,t||{});if(this.options=e,this.__cache={},this.__init_promise=null,this.__modules=e.modules||{},this.__memory=null,this.__wasm={},this.__isLE=1===new Uint32Array(new Uint8Array([1,0,0,0]).buffer)[0],!this.options.js&&!this.options.wasm)throw new Error('mathlib: at least "js" or "wasm" should be enabled')}o.prototype.has_wasm=a,o.prototype.use=function(t){return this.__modules[t.name]=t,this.options.wasm&&this.has_wasm()&&t.wasm_fn?this[t.name]=t.wasm_fn:this[t.name]=t.fn,this},o.prototype.init=function(){if(this.__init_promise)return this.__init_promise;if(!this.options.js&&this.options.wasm&&!this.has_wasm())return Promise.reject(new Error('mathlib: only "wasm" was enabled, but it\'s not supported'));var t=this;return this.__init_promise=Promise.all(Object.keys(t.__modules).map((function(e){var r=t.__modules[e];return t.options.wasm&&t.has_wasm()&&r.wasm_fn?t.__wasm[e]?null:WebAssembly.compile(t.__base64decode(r.wasm_src)).then((function(r){t.__wasm[e]=r})):null}))).then((function(){return t})),this.__init_promise},o.prototype.__base64decode=n,o.prototype.__reallocate=function(t){if(!this.__memory)return this.__memory=new WebAssembly.Memory({initial:Math.ceil(t/65536)}),this.__memory;var e=this.__memory.buffer.byteLength;return e<t&&this.__memory.grow(Math.ceil((t-e)/65536)),this.__memory},o.prototype.__instance=function(t,e,r){if(e&&this.__reallocate(e),!this.__wasm[t]){var n=this.__modules[t];this.__wasm[t]=new WebAssembly.Module(this.__base64decode(n.wasm_src))}if(!this.__cache[t]){var a={memoryBase:0,memory:this.__memory,tableBase:0,table:new WebAssembly.Table({initial:0,element:"anyfunc"})};this.__cache[t]=new WebAssembly.Instance(this.__wasm[t],{env:i(a,r||{})})}return this.__cache[t]},o.prototype.__align=function(t,e){var r=t%(e=e||8);return t+(r?e-r:0)},e.exports=o},{"./lib/base64decode":21,"./lib/wa_detect":22,"object-assign":23}],21:[function(t,e,r){"use strict";e.exports=function(t){for(var e=t.replace(/[\r\n=]/g,""),r=e.length,i=new Uint8Array(3*r>>2),n=0,a=0,A=0;A<r;A++)A%4==0&&A&&(i[a++]=n>>16&255,i[a++]=n>>8&255,i[a++]=255&n),n=n<<6|"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/".indexOf(e.charAt(A));var o=r%4*6;return 0===o?(i[a++]=n>>16&255,i[a++]=n>>8&255,i[a++]=255&n):18===o?(i[a++]=n>>10&255,i[a++]=n>>2&255):12===o&&(i[a++]=n>>4&255),i}},{}],22:[function(t,e,r){"use strict";var i;e.exports=function(){if(void 0!==i)return i;if(i=!1,"undefined"==typeof WebAssembly)return i;try{var t=new Uint8Array([0,97,115,109,1,0,0,0,1,6,1,96,1,127,1,127,3,2,1,0,5,3,1,0,1,7,8,1,4,116,101,115,116,0,0,10,16,1,14,0,32,0,65,1,54,2,0,32,0,40,2,0,11]),e=new WebAssembly.Module(t);return 0!==new WebAssembly.Instance(e,{}).exports.test(4)&&(i=!0),i}catch(t){}return i}},{}],23:[function(t,e,r){
/*
object-assign
(c) Sindre Sorhus
@license MIT
*/
"use strict";var i=Object.getOwnPropertySymbols,n=Object.prototype.hasOwnProperty,a=Object.prototype.propertyIsEnumerable;function A(t){if(null==t)throw new TypeError("Object.assign cannot be called with null or undefined");return Object(t)}e.exports=function(){try{if(!Object.assign)return!1;var t=new String("abc");if(t[5]="de","5"===Object.getOwnPropertyNames(t)[0])return!1;for(var e={},r=0;r<10;r++)e["_"+String.fromCharCode(r)]=r;if("0123456789"!==Object.getOwnPropertyNames(e).map((function(t){return e[t]})).join(""))return!1;var i={};return"abcdefghijklmnopqrst".split("").forEach((function(t){i[t]=t})),"abcdefghijklmnopqrst"===Object.keys(Object.assign({},i)).join("")}catch(t){return!1}}()?Object.assign:function(t,e){for(var r,o,s=A(t),u=1;u<arguments.length;u++){for(var h in r=Object(arguments[u]))n.call(r,h)&&(s[h]=r[h]);if(i){o=i(r);for(var c=0;c<o.length;c++)a.call(r,o[c])&&(s[o[c]]=r[o[c]])}}return s}},{}],24:[function(t,e,r){var i=arguments[3],n=arguments[4],a=arguments[5],A=JSON.stringify;e.exports=function(t,e){for(var r,o=Object.keys(a),s=0,u=o.length;s<u;s++){var h=o[s],c=a[h].exports;if(c===t||c&&c.default===t){r=h;break}}if(!r){r=Math.floor(Math.pow(16,8)*Math.random()).toString(16);var f={};for(s=0,u=o.length;s<u;s++){f[h=o[s]]=h}n[r]=["function(require,module,exports){"+t+"(self); }",f]}var l=Math.floor(Math.pow(16,8)*Math.random()).toString(16),g={};g[r]=r,n[l]=["function(require,module,exports){var f = require("+A(r)+");(f.default ? f.default : f)(self);}",g];var d={};!function t(e){for(var r in d[e]=!0,n[e][1]){var i=n[e][1][r];d[i]||t(i)}}(l);var m="("+i+")({"+Object.keys(d).map((function(t){return A(t)+":["+n[t][0]+","+A(n[t][1])+"]"})).join(",")+"},{},["+A(l)+"])",p=window.URL||window.webkitURL||window.mozURL||window.msURL,I=new Blob([m],{type:"text/javascript"});if(e&&e.bare)return I;var w=p.createObjectURL(I),_=new Worker(w);return _.objectURL=w,_}},{}],"/index.js":[function(t,e,r){"use strict";function i(t,e){return function(t){if(Array.isArray(t))return t}(t)||function(t,e){var r=null==t?null:"undefined"!=typeof Symbol&&t[Symbol.iterator]||t["@@iterator"];if(null==r)return;var i,n,a=[],A=!0,o=!1;try{for(r=r.call(t);!(A=(i=r.next()).done)&&(a.push(i.value),!e||a.length!==e);A=!0);}catch(t){o=!0,n=t}finally{try{A||null==r.return||r.return()}finally{if(o)throw n}}return a}(t,e)||function(t,e){if(!t)return;if("string"==typeof t)return n(t,e);var r=Object.prototype.toString.call(t).slice(8,-1);"Object"===r&&t.constructor&&(r=t.constructor.name);if("Map"===r||"Set"===r)return Array.from(t);if("Arguments"===r||/^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(r))return n(t,e)}(t,e)||function(){throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}()}function n(t,e){(null==e||e>t.length)&&(e=t.length);for(var r=0,i=new Array(e);r<e;r++)i[r]=t[r];return i}var a=t("object-assign"),A=t("webworkify"),o=t("./lib/mathlib"),s=t("./lib/pool"),u=t("./lib/utils"),h=t("./lib/worker"),c=t("./lib/stepper"),f=t("./lib/tiler"),l=t("./lib/mm_resize/resize_filter_info"),g={},d=!1;try{"undefined"!=typeof navigator&&navigator.userAgent&&(d=navigator.userAgent.indexOf("Safari")>=0)}catch(t){}var m=1;"undefined"!=typeof navigator&&(m=Math.min(navigator.hardwareConcurrency||1,4));var p={tile:1024,concurrency:m,features:["js","wasm","ww"],idle:2e3,createCanvas:function(t,e){var r=document.createElement("canvas");return r.width=t,r.height=e,r}},I={filter:"mks2013",alpha:!1,unsharpAmount:0,unsharpRadius:0,unsharpThreshold:0},w=!1,_=!1,B=!1,b=!1,y=!1;function v(){return{value:A(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 Q(t){if(!(this instanceof Q))return new Q(t);this.options=a({},p,t||{});var e="lk_".concat(this.options.concurrency);this.__limit=g[e]||u.limiter(this.options.concurrency),g[e]||(g[e]=this.__limit),this.features={js:!1,wasm:!1,cib:!1,ww:!1},this.__workersPool=null,this.__requested_features=[],this.__mathlib=null}Q.prototype.init=function(){var e=this;if(this.__initPromise)return this.__initPromise;if("undefined"!=typeof ImageData&&"undefined"!=typeof Uint8ClampedArray)try{new ImageData(new Uint8ClampedArray(400),10,10),w=!0}catch(t){}"undefined"!=typeof ImageBitmap&&(ImageBitmap.prototype&&ImageBitmap.prototype.close?_=!0:this.debug("ImageBitmap does not support .close(), disabled"));var r=this.options.features.slice();if(r.indexOf("all")>=0&&(r=["cib","wasm","js","ww"]),this.__requested_features=r,this.__mathlib=new o(r),r.indexOf("ww")>=0&&"undefined"!=typeof window&&"Worker"in window)try{t("webworkify")((function(){})).terminate(),this.features.ww=!0;var i="wp_".concat(JSON.stringify(this.options));g[i]?this.__workersPool=g[i]:(this.__workersPool=new s(v,this.options.idle),g[i]=this.__workersPool)}catch(t){}var n,A,h=this.__mathlib.init().then((function(t){a(e.features,t.features)}));n=_?u.cib_support(this.options.createCanvas).then((function(t){e.features.cib&&r.indexOf("cib")<0?e.debug("createImageBitmap() resize supported, but disabled by config"):r.indexOf("cib")>=0&&(e.features.cib=t)})):Promise.resolve(!1),B=u.can_use_canvas(this.options.createCanvas),A=(A=_&&w&&-1!==r.indexOf("ww")?u.worker_offscreen_canvas_support():Promise.resolve(!1)).then((function(t){b=t}));var c=u.cib_can_use_region().then((function(t){y=t}));return this.__initPromise=Promise.all([h,n,A,c]).then((function(){return e})),this.__initPromise},Q.prototype.__invokeResize=function(t,e){var r=this;return e.__mathCache=e.__mathCache||{},Promise.resolve().then((function(){return r.features.ww?new Promise((function(i,n){var a=r.__workersPool.acquire();e.cancelToken&&e.cancelToken.catch((function(t){return n(t)})),a.value.onmessage=function(t){a.release(),t.data.err?n(t.data.err):i(t.data)};var A=[];t.src&&A.push(t.src.buffer),t.srcBitmap&&A.push(t.srcBitmap),a.value.postMessage({opts:t,features:r.__requested_features,preload:{wasm_nodule:r.__mathlib.__}},A)})):{data:r.__mathlib.resizeAndUnsharp(t,e.__mathCache)}}))},Q.prototype.__extractTileData=function(t,e,r,i,n){if(this.features.ww&&b&&(u.isCanvas(e)||y))return this.debug("Create tile for OffscreenCanvas"),createImageBitmap(i.srcImageBitmap||e,t.x,t.y,t.width,t.height).then((function(t){return n.srcBitmap=t,n}));if(u.isCanvas(e))return i.srcCtx||(i.srcCtx=e.getContext("2d",{alpha:Boolean(r.alpha)})),this.debug("Get tile pixel data"),n.src=i.srcCtx.getImageData(t.x,t.y,t.width,t.height).data,n;this.debug("Draw tile imageBitmap/image to temporary canvas");var a=this.options.createCanvas(t.width,t.height),A=a.getContext("2d",{alpha:Boolean(r.alpha)});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"),n.src=A.getImageData(0,0,t.width,t.height).data,a.width=a.height=0,n},Q.prototype.__landTileData=function(t,e,r){var i;if(this.debug("Convert raw rgba tile result to ImageData"),e.bitmap)return r.toCtx.drawImage(e.bitmap,t.toX,t.toY),null;if(w)i=new ImageData(new Uint8ClampedArray(e.data),t.toWidth,t.toHeight);else if((i=r.toCtx.createImageData(t.toWidth,t.toHeight)).data.set)i.data.set(e.data);else for(var n=i.data.length-1;n>=0;n--)i.data[n]=e.data[n];return this.debug("Draw tile"),d?r.toCtx.putImageData(i,t.toX,t.toY,t.toInnerX-t.toX,t.toInnerY-t.toY,t.toInnerWidth+1e-5,t.toInnerHeight+1e-5):r.toCtx.putImageData(i,t.toX,t.toY,t.toInnerX-t.toX,t.toInnerY-t.toY,t.toInnerWidth,t.toInnerHeight),null},Q.prototype.__tileAndResize=function(t,e,r){var i=this,n={srcCtx:null,srcImageBitmap:null,isImageBitmapReused:!1,toCtx:null};return Promise.resolve().then((function(){if(n.toCtx=e.getContext("2d",{alpha:Boolean(r.alpha)}),u.isCanvas(t))return null;if(u.isImageBitmap(t))return n.srcImageBitmap=t,n.isImageBitmapReused=!0,null;if(u.isImage(t))return _?(i.debug("Decode image via createImageBitmap"),createImageBitmap(t).then((function(t){n.srcImageBitmap=t})).catch((function(t){return null}))):null;throw new Error('Pica: ".from" should be Image, Canvas or ImageBitmap')})).then((function(){if(r.canceled)return r.cancelToken;i.debug("Calculate tiles");var a=f({width:r.width,height:r.height,srcTileSize:i.options.tile,toWidth:r.toWidth,toHeight:r.toHeight,destTileBorder:r.__destTileBorder}).map((function(e){return function(e){return i.__limit((function(){if(r.canceled)return r.cancelToken;var a={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:r.filter,alpha:r.alpha,unsharpAmount:r.unsharpAmount,unsharpRadius:r.unsharpRadius,unsharpThreshold:r.unsharpThreshold};return i.debug("Invoke resize math"),Promise.resolve(a).then((function(a){return i.__extractTileData(e,t,r,n,a)})).then((function(t){return i.debug("Invoke resize math"),i.__invokeResize(t,r)})).then((function(t){return r.canceled?r.cancelToken:(n.srcImageData=null,i.__landTileData(e,t,n))}))}))}(e)}));function A(t){t.srcImageBitmap&&(t.isImageBitmapReused||t.srcImageBitmap.close(),t.srcImageBitmap=null)}return i.debug("Process tiles"),Promise.all(a).then((function(){return i.debug("Finished!"),A(n),e}),(function(t){throw A(n),t}))}))},Q.prototype.__processStages=function(t,e,r,n){var A=this;if(n.canceled)return n.cancelToken;var o,s,u=i(t.shift(),2),h=u[0],c=u[1],f=0===t.length;return o=f||l.q2f.indexOf(n.filter)<0?n.filter:"box"===n.filter?"box":"hamming",n=a({},n,{toWidth:h,toHeight:c,filter:o}),f||(s=this.options.createCanvas(h,c)),this.__tileAndResize(e,f?r:s,n).then((function(){return f?r:(n.width=h,n.height=c,A.__processStages(t,s,r,n))})).then((function(t){return s&&(s.width=s.height=0),t}))},Q.prototype.__resizeViaCreateImageBitmap=function(t,e,r){var i=this,n=e.getContext("2d",{alpha:Boolean(r.alpha)});return this.debug("Resize via createImageBitmap()"),createImageBitmap(t,{resizeWidth:r.toWidth,resizeHeight:r.toHeight,resizeQuality:u.cib_quality_name(l.f2q[r.filter])}).then((function(t){if(r.canceled)return r.cancelToken;if(!r.unsharpAmount)return n.drawImage(t,0,0),t.close(),n=null,i.debug("Finished!"),e;i.debug("Unsharp result");var a=i.options.createCanvas(r.toWidth,r.toHeight),A=a.getContext("2d",{alpha:Boolean(r.alpha)});A.drawImage(t,0,0),t.close();var o=A.getImageData(0,0,r.toWidth,r.toHeight);return i.__mathlib.unsharp_mask(o.data,r.toWidth,r.toHeight,r.unsharpAmount,r.unsharpRadius,r.unsharpThreshold),n.putImageData(o,0,0),a.width=a.height=0,o=A=a=n=null,i.debug("Finished!"),e}))},Q.prototype.resize=function(t,e,r){var i=this;this.debug("Start resize...");var n=a({},I);if(isNaN(r)?r&&(n=a(n,r)):n=a(n,{quality:r}),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 new Error("Pica: .quality should be [0..3], got ".concat(n.quality));n.filter=l.q2f[n.quality]}if(0===e.width||0===e.height)return Promise.reject(new 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})));return 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(l.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(!B){var r=new Error("Pica: cannot use getImageData on canvas, make sure fingerprinting protection isn't enabled");throw r.code="ERR_GET_IMAGE_DATA",r}var a=c(n.width,n.height,n.toWidth,n.toHeight,i.options.tile,n.__destTileBorder);return i.__processStages(a,t,e,n)}))},Q.prototype.resizeBuffer=function(t){var e=this,r=a({},I,t);if(Object.prototype.hasOwnProperty.call(r,"quality")){if(r.quality<0||r.quality>3)throw new Error("Pica: .quality should be [0..3], got ".concat(r.quality));r.filter=l.q2f[r.quality]}return this.init().then((function(){return e.__mathlib.resizeAndUnsharp(r)}))},Q.prototype.toBlob=function(t,e,r){return e=e||"image/png",new Promise((function(i){if(t.toBlob)t.toBlob((function(t){return i(t)}),e,r);else if(t.convertToBlob)i(t.convertToBlob({type:e,quality:r}));else{for(var n=atob(t.toDataURL(e,r).split(",")[1]),a=n.length,A=new Uint8Array(a),o=0;o<a;o++)A[o]=n.charCodeAt(o);i(new Blob([A],{type:e}))}}))},Q.prototype.debug=function(){},e.exports=Q},{"./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":23,webworkify:24}]},{},[])("/index.js")}));