2 lines
16 KiB
JavaScript
2 lines
16 KiB
JavaScript
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!function(e){"use strict";var t=function(e,i,a){var o,r,n=document.createElement("img");if(n.onerror=i,n.onload=function(){!r||a&&a.noRevoke||t.revokeObjectURL(r),i&&i(t.scale(n,a))},t.isInstanceOf("Blob",e)||t.isInstanceOf("File",e))o=r=t.createObjectURL(e),n._type=e.type;else{if("string"!=typeof e)return!1;o=e,a&&a.crossOrigin&&(n.crossOrigin=a.crossOrigin)}return o?(n.src=o,n):t.readFile(e,function(e){var t=e.target;t&&t.result?n.src=t.result:i&&i(e)})},i=window.createObjectURL&&window||window.URL&&URL.revokeObjectURL&&URL||window.webkitURL&&webkitURL;t.isInstanceOf=function(e,t){return Object.prototype.toString.call(t)==="[object "+e+"]"},t.transformCoordinates=function(){},t.getTransformedOptions=function(e,t){var i,a,o,r,n=t.aspectRatio;if(!n)return t;i={};for(a in t)t.hasOwnProperty(a)&&(i[a]=t[a]);return i.crop=!0,o=e.naturalWidth||e.width,r=e.naturalHeight||e.height,o/r>n?(i.maxWidth=r*n,i.maxHeight=r):(i.maxWidth=o,i.maxHeight=o/n),i},t.renderImageToCanvas=function(e,t,i,a,o,r,n,s,l,d){return e.getContext("2d").drawImage(t,i,a,o,r,n,s,l,d),e},t.hasCanvasOption=function(e){return e.canvas||e.crop||!!e.aspectRatio},t.scale=function(e,i){function a(){var e=Math.max((s||y)/y,(l||v)/v);e>1&&(y*=e,v*=e)}function o(){var e=Math.min((r||y)/y,(n||v)/v);1>e&&(y*=e,v*=e)}i=i||{};var r,n,s,l,d,u,c,g,f,h,m,p=document.createElement("canvas"),S=e.getContext||t.hasCanvasOption(i)&&p.getContext,b=e.naturalWidth||e.width,x=e.naturalHeight||e.height,y=b,v=x;if(S&&(i=t.getTransformedOptions(e,i),c=i.left||0,g=i.top||0,i.sourceWidth?(d=i.sourceWidth,void 0!==i.right&&void 0===i.left&&(c=b-d-i.right)):d=b-c-(i.right||0),i.sourceHeight?(u=i.sourceHeight,void 0!==i.bottom&&void 0===i.top&&(g=x-u-i.bottom)):u=x-g-(i.bottom||0),y=d,v=u),r=i.maxWidth,n=i.maxHeight,s=i.minWidth,l=i.minHeight,S&&r&&n&&i.crop?(y=r,v=n,m=d/u-r/n,0>m?(u=n*d/r,void 0===i.top&&void 0===i.bottom&&(g=(x-u)/2)):m>0&&(d=r*u/n,void 0===i.left&&void 0===i.right&&(c=(b-d)/2))):((i.contain||i.cover)&&(s=r=r||s,l=n=n||l),i.cover?(o(),a()):(a(),o())),S){if(f=i.pixelRatio,f>1&&(p.style.width=y+"px",p.style.height=v+"px",y*=f,v*=f,p.getContext("2d").scale(f,f)),h=i.downsamplingRatio,h>0&&1>h&&d>y&&u>v)for(;d*h>y;)p.width=d*h,p.height=u*h,t.renderImageToCanvas(p,e,c,g,d,u,0,0,p.width,p.height),d=p.width,u=p.height,e=document.createElement("canvas"),e.width=d,e.height=u,t.renderImageToCanvas(e,p,0,0,d,u,0,0,d,u);return p.width=y,p.height=v,t.transformCoordinates(p,i),t.renderImageToCanvas(p,e,c,g,d,u,0,0,y,v)}return e.width=y,e.height=v,e},t.createObjectURL=function(e){return i?i.createObjectURL(e):!1},t.revokeObjectURL=function(e){return i?i.revokeObjectURL(e):!1},t.readFile=function(e,t,i){if(window.FileReader){var a=new FileReader;if(a.onload=a.onerror=t,i=i||"readAsDataURL",a[i])return a[i](e),a}return!1},"function"==typeof define&&define.amd?define(function(){return t}):"object"==typeof module&&module.exports?module.exports=t:e.loadImage=t}(window),function(e){"use strict";"function"==typeof define&&define.amd?define(["./load-image"],e):e("object"==typeof module&&module.exports?require("./load-image"):window.loadImage)}(function(e){"use strict";var t=e.hasCanvasOption,i=e.transformCoordinates,a=e.getTransformedOptions;e.hasCanvasOption=function(i){return!!i.orientation||t.call(e,i)},e.transformCoordinates=function(t,a){i.call(e,t,a);var o=t.getContext("2d"),r=t.width,n=t.height,s=t.style.width,l=t.style.height,d=a.orientation;if(d&&!(d>8))switch(d>4&&(t.width=n,t.height=r,t.style.width=l,t.style.height=s),d){case 2:o.translate(r,0),o.scale(-1,1);break;case 3:o.translate(r,n),o.rotate(Math.PI);break;case 4:o.translate(0,n),o.scale(1,-1);break;case 5:o.rotate(.5*Math.PI),o.scale(1,-1);break;case 6:o.rotate(.5*Math.PI),o.translate(0,-n);break;case 7:o.rotate(.5*Math.PI),o.translate(r,-n),o.scale(-1,1);break;case 8:o.rotate(-.5*Math.PI),o.translate(-r,0)}},e.getTransformedOptions=function(t,i){var o,r,n=a.call(e,t,i),s=n.orientation;if(!s||s>8||1===s)return n;o={};for(r in n)n.hasOwnProperty(r)&&(o[r]=n[r]);switch(n.orientation){case 2:o.left=n.right,o.right=n.left;break;c
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//# sourceMappingURL=load-image.all.min.js.map
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