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Put zurich_switzerland.mbtiles in public/resources/gallery/ then run with: docker build . && docker run --rm -it -p 8080:8080 $(docker build -q .) -V \ --config /usr/src/app/public/resources/gallery/config.json URL on tileserver: http://0.0.0.0:8080/gallery/gallery.html Signed-off-by: Martin d'Allens <martin.dallens@liberty-rider.com>
8 lines
No EOL
3.2 KiB
JavaScript
8 lines
No EOL
3.2 KiB
JavaScript
/**
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* Minified by jsDelivr using Terser v5.10.0.
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* Original file: /npm/pixelmatch@5.3.0/index.js
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*
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* Do NOT use SRI with dynamically generated files! More information: https://www.jsdelivr.com/using-sri-with-dynamic-files
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*/
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"use strict";module.exports=pixelmatch;const defaultOptions={threshold:.1,includeAA:!1,alpha:.1,aaColor:[255,255,0],diffColor:[255,0,0],diffColorAlt:null,diffMask:!1};function pixelmatch(t,e,r,n,i,a){if(!isPixelData(t)||!isPixelData(e)||r&&!isPixelData(r))throw new Error("Image data: Uint8Array, Uint8ClampedArray or Buffer expected.");if(t.length!==e.length||r&&r.length!==t.length)throw new Error("Image sizes do not match.");if(t.length!==n*i*4)throw new Error("Image data size does not match width/height.");a=Object.assign({},defaultOptions,a);const l=n*i,o=new Uint32Array(t.buffer,t.byteOffset,l),f=new Uint32Array(e.buffer,e.byteOffset,l);let s=!0;for(let t=0;t<l;t++)if(o[t]!==f[t]){s=!1;break}if(s){if(r&&!a.diffMask)for(let e=0;e<l;e++)drawGrayPixel(t,4*e,a.alpha,r);return 0}const d=35215*a.threshold*a.threshold;let u=0;for(let l=0;l<i;l++)for(let o=0;o<n;o++){const f=4*(l*n+o),s=colorDelta(t,e,f,f);Math.abs(s)>d?a.includeAA||!antialiased(t,o,l,n,i,e)&&!antialiased(e,o,l,n,i,t)?(r&&drawPixel(r,f,...s<0&&a.diffColorAlt||a.diffColor),u++):r&&!a.diffMask&&drawPixel(r,f,...a.aaColor):r&&(a.diffMask||drawGrayPixel(t,f,a.alpha,r))}return u}function isPixelData(t){return ArrayBuffer.isView(t)&&1===t.constructor.BYTES_PER_ELEMENT}function antialiased(t,e,r,n,i,a){const l=Math.max(e-1,0),o=Math.max(r-1,0),f=Math.min(e+1,n-1),s=Math.min(r+1,i-1),d=4*(r*n+e);let u,c,h,b,g=e===l||e===f||r===o||r===s?1:0,x=0,y=0;for(let i=l;i<=f;i++)for(let a=o;a<=s;a++){if(i===e&&a===r)continue;const l=colorDelta(t,t,d,4*(a*n+i),!0);if(0===l){if(g++,g>2)return!1}else l<x?(x=l,u=i,c=a):l>y&&(y=l,h=i,b=a)}return 0!==x&&0!==y&&(hasManySiblings(t,u,c,n,i)&&hasManySiblings(a,u,c,n,i)||hasManySiblings(t,h,b,n,i)&&hasManySiblings(a,h,b,n,i))}function hasManySiblings(t,e,r,n,i){const a=Math.max(e-1,0),l=Math.max(r-1,0),o=Math.min(e+1,n-1),f=Math.min(r+1,i-1),s=4*(r*n+e);let d=e===a||e===o||r===l||r===f?1:0;for(let i=a;i<=o;i++)for(let a=l;a<=f;a++){if(i===e&&a===r)continue;const l=4*(a*n+i);if(t[s]===t[l]&&t[s+1]===t[l+1]&&t[s+2]===t[l+2]&&t[s+3]===t[l+3]&&d++,d>2)return!0}return!1}function colorDelta(t,e,r,n,i){let a=t[r+0],l=t[r+1],o=t[r+2],f=t[r+3],s=e[n+0],d=e[n+1],u=e[n+2],c=e[n+3];if(f===c&&a===s&&l===d&&o===u)return 0;f<255&&(f/=255,a=blend(a,f),l=blend(l,f),o=blend(o,f)),c<255&&(c/=255,s=blend(s,c),d=blend(d,c),u=blend(u,c));const h=rgb2y(a,l,o),b=rgb2y(s,d,u),g=h-b;if(i)return g;const x=rgb2i(a,l,o)-rgb2i(s,d,u),y=rgb2q(a,l,o)-rgb2q(s,d,u),M=.5053*g*g+.299*x*x+.1957*y*y;return h>b?-M:M}function rgb2y(t,e,r){return.29889531*t+.58662247*e+.11448223*r}function rgb2i(t,e,r){return.59597799*t-.2741761*e-.32180189*r}function rgb2q(t,e,r){return.21147017*t-.52261711*e+.31114694*r}function blend(t,e){return 255+(t-255)*e}function drawPixel(t,e,r,n,i){t[e+0]=r,t[e+1]=n,t[e+2]=i,t[e+3]=255}function drawGrayPixel(t,e,r,n){const i=blend(rgb2y(t[e+0],t[e+1],t[e+2]),r*t[e+3]/255);drawPixel(n,e,i,i,i)}
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//# sourceMappingURL=/sm/c63ff0ee83224674e743a369cf841b9f0a69d1938d5d74c59d8ae9cf4947611a.map
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