Wordpress/wp-includes/js/plupload/plupload.html5.js

1 line
18 KiB
JavaScript
Raw Normal View History

(function(k,m,l,g){var d={},j;function c(s){var r=s.naturalWidth,u=s.naturalHeight;if(r*u>1024*1024){var t=m.createElement("canvas");t.width=t.height=1;var q=t.getContext("2d");q.drawImage(s,-r+1,0);return q.getImageData(0,0,1,1).data[3]===0}else{return false}}function f(u,r,z){var q=m.createElement("canvas");q.width=1;q.height=z;var A=q.getContext("2d");A.drawImage(u,0,0);var t=A.getImageData(0,0,1,z).data;var x=0;var v=z;var y=z;while(y>x){var s=t[(y-1)*4+3];if(s===0){v=y}else{x=y}y=(v+x)>>1}var w=(y/z);return(w===0)?1:w}function o(K,s,t){var v=K.naturalWidth,z=K.naturalHeight;var E=t.width,B=t.height;var F=s.getContext("2d");F.save();var r=c(K);if(r){v/=2;z/=2}var I=1024;var q=m.createElement("canvas");q.width=q.height=I;var u=q.getContext("2d");var G=f(K,v,z);var A=0;while(A<z){var J=A+I>z?z-A:I;var C=0;while(C<v){var D=C+I>v?v-C:I;u.clearRect(0,0,I,I);u.drawImage(K,-C,-A);var x=(C*E/v)<<0;var y=Math.ceil(D*E/v);var w=(A*B/z/G)<<0;var H=Math.ceil(J*B/z/G);F.drawImage(q,0,0,D,J,x,w,y,H);C+=I}A+=I}F.restore();q=u=null}function p(r,s){var q;if("FileReader" in k){q=new FileReader();q.readAsDataURL(r);q.onload=function(){s(q.result)}}else{return s(r.getAsDataURL())}}function n(r,s){var q;if("FileReader" in k){q=new FileReader();q.readAsBinaryString(r);q.onload=function(){s(q.result)}}else{return s(r.getAsBinary())}}function e(u,s,q,y){var t,r,x,v,w=this;p(d[u.id],function(z){t=m.createElement("canvas");t.style.display="none";m.body.appendChild(t);x=new Image();x.onerror=x.onabort=function(){y({success:false})};x.onload=function(){var F,A,C,B,E;if(!s.width){s.width=x.width}if(!s.height){s.height=x.height}v=Math.min(s.width/x.width,s.height/x.height);if(v<1){F=Math.round(x.width*v);A=Math.round(x.height*v)}else{if(s.quality&&q==="image/jpeg"){F=x.width;A=x.height}else{y({success:false});return}}t.width=F;t.height=A;o(x,t,{width:F,height:A});if(q==="image/jpeg"){B=new h(atob(z.substring(z.indexOf("base64,")+7)));if(B.headers&&B.headers.length){E=new a();if(E.init(B.get("exif")[0])){E.setExif("PixelXDimension",F);E.setExif("PixelYDimension",A);B.set("exif",E.getBinary());if(w.hasEventListener("ExifData")){w.trigger("ExifData",u,E.EXIF())}if(w.hasEventListener("GpsData")){w.trigger("GpsData",u,E.GPS())}}}}if(s.quality&&q==="image/jpeg"){try{z=t.toDataURL(q,s.quality/100)}catch(D){z=t.toDataURL(q)}}else{z=t.toDataURL(q)}z=z.substring(z.indexOf("base64,")+7);z=atob(z);if(B&&B.headers&&B.headers.length){z=B.restore(z);B.purge()}t.parentNode.removeChild(t);y({success:true,data:z})};x.src=z})}l.runtimes.Html5=l.addRuntime("html5",{getFeatures:function(){var v,r,u,t,s,q;r=u=s=q=false;if(k.XMLHttpRequest){v=new XMLHttpRequest();u=!!v.upload;r=!!(v.sendAsBinary||v.upload)}if(r){t=!!(v.sendAsBinary||(k.Uint8Array&&k.ArrayBuffer));s=!!(File&&(File.prototype.getAsDataURL||k.FileReader)&&t);q=!!(File&&(File.prototype.mozSlice||File.prototype.webkitSlice||File.prototype.slice))}j=l.ua.safari&&l.ua.windows;return{html5:r,dragdrop:(function(){var w=m.createElement("div");return("draggable" in w)||("ondragstart" in w&&"ondrop" in w)}()),jpgresize:s,pngresize:s,multipart:s||!!k.FileReader||!!k.FormData,canSendBinary:t,cantSendBlobInFormData:!!(l.ua.gecko&&k.FormData&&k.FileReader&&!FileReader.prototype.readAsArrayBuffer)||l.ua.android,progress:u,chunks:q,multi_selection:!(l.ua.safari&&l.ua.windows),triggerDialog:(l.ua.gecko&&k.FormData||l.ua.webkit)}},init:function(s,u){var q,t;function r(z){var x,w,y=[],A,v={};for(w=0;w<z.length;w++){x=z[w];if(v[x.name]&&l.ua.safari&&l.ua.windows){continue}v[x.name]=true;A=l.guid();d[A]=x;y.push(new l.File(A,x.fileName||x.name,x.fileSize||x.size))}if(y.length){s.trigger("FilesAdded",y)}}q=this.getFeatures();if(!q.html5){u({success:false});return}s.bind("Init",function(A){var J,I,F=[],z,G,w=A.settings.filters,x,E,v=m.body,H;J=m.createElement("div");J.id=A.id+"_html5_container";l.extend(J.style,{position:"absolute",background:s.settings.shim_bgcolor||"transparent",width:"100px",height:"100px",overflow:"hidden",zIndex:99999,opacity:s.settings.shim_bgcolor?"":0});J.className="plupload html5";if(s.settings.contai