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File: jpeg_camera/jpeg_camera_with_dependencies.min.js

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File: jpeg_camera/jpeg_camera_with_dependencies.min.js
Role: Auxiliary data
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Description: Auxiliary data
Class: PHP Webcam Capture
Save picture taken from Webcam to a file or MySQL
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Date: 1 year ago
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/*! SWFObject + Canvas-to-Blob + JpegCamera */

/*	SWFObject v2.2 <http://code.google.com/p/swfobject/> 
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/*! JpegCamera 1.3.3 | 2016-09-18
    (c) 2013 Adam Wrobel
    https://amw.github.io/jpeg_camera */
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bar.",this.container.appendChild(this.message),this.video_container=document.createElement("div"),this.video_container.style.width=""+this.view_width+"px",this.video_container.style.height=""+this.view_height+"px",this.video_container.style.overflow="hidden",this.video_container.style.position="absolute",this.video_container.style.zIndex=1,this.container.appendChild(this.video_container),this.video=document.createElement("video"),this.video.autoplay=!0,a._add_prefixed_style(this.video,"transform","scalex(-1.0)"),window.AudioContext&&(f(l)?this._load_shutter_sound(this.options.shutter_ogg_url):f(i)&&this._load_shutter_sound(this.options.shutter_mp3_url)),d={video:{optional:[{minWidth:1280},{minWidth:640},{minWidth:480},{minWidth:360}]}},h=this,g=function(a){return h._remove_message(),window.URL?h.video.src=URL.createObjectURL(a):h.video.src=a,h._block_element_access(),h._wait_for_video_ready()},c=function(a){var b,c,d;h.message.innerHTML='<span style="color: red;">You have denied camera access.</span><br><br>Look for camera icon around your address bar to change your decision.',b=a.code;for(c in a)if(d=a[c],"code"!==c)return void h._got_error(c);return h._got_error("UNKNOWN ERROR")};try{return navigator.getUserMedia(d,g,c)}catch(k){return b=k,navigator.getUserMedia("video",g,c)}},c.prototype._engine_play_shutter_sound=function(){var a;if(this.shutter_buffer)return a=this.audio_context.createBufferSource(),a.buffer=this.shutter_buffer,a.connect(this.audio_context.destination),a.start(0)},c.prototype._engine_capture=function(a,b,c,d){var e,f,g;return g=this._get_capture_crop(),e=document.createElement("canvas"),e.width=Math.round(g.width*d),e.height=Math.round(g.height*d),f=e.getContext("2d"),f.drawImage(this.video,g.x_offset,g.y_offset,g.width,g.height,0,0,Math.round(g.width*d),Math.round(g.height*d)),a._canvas=e,a._mirror=b,a._quality=c},c.prototype._engine_display=function(b){return this.displayed_canvas&&this.container.removeChild(this.displayed_canvas),this.displayed_canvas=b._canvas,this.displayed_canvas.style.width=""+this.view_width+"px",this.displayed_canvas.style.height=""+this.view_height+"px",this.displayed_canvas.style.top=0,this.displayed_canvas.style.left=0,this.displayed_canvas.style.position="absolute",this.displayed_canvas.style.zIndex=2,a._add_prefixed_style(this.displayed_canvas,"transform","scalex(-1.0)"),this.container.appendChild(this.displayed_canvas)},c.prototype._engine_get_canvas=function(a){var b,c;return b=document.createElement("canvas"),b.width=a._canvas.width,b.height=a._canvas.height,c=b.getContext("2d"),c.drawImage(a._canvas,0,0),b},c.prototype._engine_get_image_data=function(a){var b,c;return b=a._canvas,c=b.getContext("2d"),c.getImageData(0,0,b.width,b.height)},c.prototype._engine_get_blob=function(a,b,c,d,e){var f,g;return c?(f=document.createElement("canvas"),f.width=a._canvas.width,f.height=a._canvas.height,g=f.getContext("2d"),g.setTransform(1,0,0,1,0,0),g.translate(f.width,0),g.scale(-1,1),g.drawImage(a._canvas,0,0)):f=a._canvas,f.toBlob(function(a){return e(a)},b,d)},c.prototype._engine_discard=function(a){return a._xhr&&a._xhr.abort(),delete a._xhr,delete a._canvas},c.prototype._engine_show_stream=function(){return this.displayed_canvas&&(this.container.removeChild(this.displayed_canvas),this.displayed_canvas=null),this.video_container.style.display="block"},c.prototype._engine_upload=function(a,b,c,d){return this._debug("Uploading the file"),a.get_blob(function(e){var f,g;return f=function(b){return delete a._xhr,a._status=b.target.status,a._response=b.target.responseText,a._status>=200&&a._status<300?a._upload_done():(a._error_message=b.target.statusText||"Unknown error",a._upload_fail())},g=new XMLHttpRequest,g.open("POST",b),g.timeout=d,c&&g.setRequestHeader("X-CSRF-Token",c),g.onload=f,g.onerror=f,g.onabort=f,g.send(e),a._xhr=g},"image/jpeg")},c.prototype._remove_message=function(){return this.message.style.display="none"},c.prototype._load_shutter_sound=function(a){var b,c;if(!this.audio_context)return this.audio_context=new AudioContext,b=new XMLHttpRequest,b.open("GET",a,!0),b.responseType="arraybuffer",c=this,b.onload=function(){return c.audio_context.decodeAudioData(b.response,function(a){return c.shutter_buffer=a})},b.send()},c.prototype._wait_for_video_ready=function(){var a,b,c,d;return d=parseInt(this.video.videoWidth),c=parseInt(this.video.videoHeight),d>0&&c>0?(this.video_container.appendChild(this.video),this.video_width=d,this.video_height=c,a=this._get_video_crop(),this.video.style.position="relative",this.video.style.width=""+a.width+"px",this.video.style.height=""+a.height+"px",this.video.style.left=""+a.x_offset+"px",this.video.style.top=""+a.y_offset+"px",this._prepared(this.video_width,this.video_height)):this._status_checks_count>100?this._got_error("Camera failed to initialize in 10 seconds"):(this._status_checks_count++,b=this,setTimeout(function(){return b._wait_for_video_ready()},100))},c.prototype._status_checks_count=0,c.prototype._get_video_crop=function(){var a,b,c,d,e;return c=this.video_width/this.video_height,e=this.view_width/this.view_height,c>=e?(this._debug("Filling height"),d=this.view_height/this.video_height,b=Math.round(this.video_width*d),{width:b,height:this.view_height,x_offset:-Math.floor((b-this.view_width)/2),y_offset:0}):(this._debug("Filling width"),d=this.view_width/this.video_width,a=Math.round(this.video_height*d),{width:this.view_width,height:a,x_offset:0,y_offset:-Math.floor((a-this.view_height)/2)})},c.prototype._get_capture_crop=function(){var a,b,c,d;return c=this.video_width/this.video_height,d=this.view_width/this.view_height,c>=d?(b=Math.round(this.video_height*d),{width:b,height:this.video_height,x_offset:Math.floor((this.video_width-b)/2),y_offset:0}):(a=Math.round(this.video_width/d),{width:this.video_width,height:a,x_offset:0,y_offset:Math.floor((this.video_height-a)/2)})},c}(a),window.JpegCamera=c),!window.swfobject)throw"JpegCamera: SWFObject is not loaded";k="9",j=!window.JpegCamera||!window.AudioContext||window.jpeg_camera_force_flash,g=function(){return window.swfobject&&swfobject.hasFlashPlayerVersion(k)},j&&g()&&(b=function(b){function c(){return n=c.__super__.constructor.apply(this,arguments)}return p(c,b),c._send_message=function(a,b){var c,d;return(d=this._instances[parseInt(a)])?(c=Array.prototype.slice.call(arguments,2),this.prototype[b].apply(d,c)):void 0},c._instances={},c._next_id=1,c.prototype._engine_init=function(){var a,b,c,d,e,f,g;return this._debug("Using Flash engine"),this._id=this.constructor._next_id++,this.constructor._instances[this._id]=this,this.view_width<215||this.view_height<138?void this._got_error("camera is too small to display privacy dialog"):(d="flash_object_"+this._id,f={loop:"false",allowScriptAccess:"always",allowFullScreen:"false",quality:"best",wmode:"opaque",menu:"false"},a={id:d,align:"middle"},e={id:this._id,width:this.view_width,height:this.view_height,shutter_url:this.options.shutter_mp3_url},g=this,b=function(a){return a.success?(g._debug("Flash loaded"),g._flash=document.getElementById(d)):g._got_error("Flash loading failed.")},c=document.createElement("div"),c.id="jpeg_camera_flash_"+this._id,c.style.width="100%",c.style.height="100%",this.container.appendChild(c),swfobject.embedSWF(this.options.swf_url,c.id,this.view_width,this.view_height,"9",null,e,f,a,b))},c.prototype._engine_play_shutter_sound=function(){return this._flash._play_shutter()},c.prototype._engine_capture=function(a,b,c,d){return this._flash._capture(a.id,b,c,d)},c.prototype._engine_display=function(a){return this._flash._display(a.id)},c.prototype._engine_get_canvas=function(a){var b,c;return a._image_data||(a._image_data=this._engine_get_image_data(a)),b=document.createElement("canvas"),b.width=a._image_data.width,b.height=a._image_data.height,c=b.getContext("2d"),c.putImageData(a._image_data,0,0),b},c.prototype._engine_get_image_data=function(b){var c,d,e,f,g,h,i,j,k,l,m,n,o;for(f=this._flash._get_image_data(b.id),a.canvas_supported()?(d=document.createElement("canvas"),d.width=f.width,d.height=f.height,e=d.getContext("2d"),l=e.createImageData(f.width,f.height)):l={data:[],width:f.width,height:f.height},o=f.data,h=m=0,n=o.length;n>m;h=++m)j=o[h],i=4*h,k=j>>16&255,g=j>>8&255,c=255&j,l.data[i+0]=k,l.data[i+1]=g,l.data[i+2]=c,l.data[i+3]=255;return l},c.prototype._engine_get_blob=function(a,b,c,d,e){var f,g;return a._extra_canvas||(a._extra_canvas=this._engine_get_canvas(a)),c?(f=document.createElement("canvas"),f.width=a._canvas.width,f.height=a._canvas.height,g=f.getContext("2d"),g.setTransform(1,0,0,1,0,0),g.translate(f.width,0),g.scale(-1,1),g.drawImage(a._extra_canvas,0,0)):f=a._extra_canvas,f.toBlob(function(a){return e(a)},b,d)},c.prototype._engine_discard=function(a){return this._flash._discard(a.id)},c.prototype._engine_show_stream=function(){return this._flash._show_stream()},c.prototype._engine_upload=function(a,b,c,d){return this._flash._upload(a.id,b,c,d)},c.prototype._flash_prepared=function(a,b){return this._block_element_access(),document.body.tabIndex=0,document.body.focus(),this._prepared(a,b)},c.prototype._flash_upload_complete=function(a,b,c,d){var e;return a=parseInt(a),e=this._snapshots[a],e._status=parseInt(b),e._response=d,e._status>=200&&e._status<300?e._upload_done():(e._error_message=c,e._upload_fail())},c}(a),window.JpegCamera=b),d=function(){function b(a,b){this.camera=a,this.options=b,this.id=this.constructor._next_snapshot_id++}return b._next_snapshot_id=1,b.prototype._discarded=!1,b.prototype.show=function(){return this._discarded&&raise("discarded snapshot cannot be used"),this.camera._display(this),this},b.prototype.hide=function(){return this.camera.displayed_snapshot()===this&&this.camera.show_stream(),this},b.prototype.get_stats=function(a){return this._discarded&&raise("discarded snapshot cannot be used"),this.get_image_data(function(b){return this._get_stats(b,a)})},b.prototype.get_canvas=function(b){var c;return this._discarded&&raise("discarded snapshot cannot be used"),!a._canvas_supported,c=this,setTimeout(function(){return c._extra_canvas||(c._extra_canvas=c.camera._engine_get_canvas(c)),a._add_prefixed_style(c._extra_canvas,"transform","scalex(-1.0)"),b.call(c,c._extra_canvas)},1),!0},b.prototype._extra_canvas=null,b.prototype.get_blob=function(b,c){var d;return null==c&&(c="image/jpeg"),this._discarded&&raise("discarded snapshot cannot be used"),!a._canvas_supported,d=this,setTimeout(function(){var a,e;return d._blob_mime!==c&&(d._blob=null),d._blob_mime=c,d._blob?b.call(d,d._blob):(a=d.options.mirror,e=d.options.quality,d.camera._engine_get_blob(d,c,a,e,function(a){return d._blob=a,b.call(d,d._blob)}))},1),!0},b.prototype._blob=null,b.prototype._blob_mime=null,b.prototype.get_image_data=function(a){var b;return this._discarded&&raise("discarded snapshot cannot be used"),b=this,setTimeout(function(){return b._image_data||(b._image_data=b.camera._engine_get_image_data(b)),a.call(b,b._image_data)},1),null},b.prototype._image_data=null,b.prototype.upload=function(a){var b;if(null==a&&(a={}),this._discarded&&raise("discarded snapshot cannot be used"),this._uploading)return void this.camera._debug("Upload already in progress");if(this._uploading=!0,this._retry=1,this._upload_options=a,b=this._options(),!b.api_url)throw this.camera._debug("Snapshot#upload called without valid api_url"),"Snapshot#upload called without valid api_url";return this._start_upload(b),this},b.prototype._upload_options={},b.prototype._uploading=!1,b.prototype._retry=1,b.prototype.done=function(a){var b;return this._discarded&&raise("discarded snapshot cannot be used"),this._upload_options.on_upload_done=a,b=this._options(),b.on_upload_done&&this._done&&b.on_upload_done.call(this,this._response),this},b.prototype._done=!1,b.prototype._response=null,b.prototype.fail=function(a){var b;return this._discarded&&raise("discarded snapshot cannot be used"),this._upload_options.on_upload_fail=a,b=this._options(),b.on_upload_fail&&this._fail&&b.on_upload_fail.call(this,this._status,this._error_message,this._response),this},b.prototype._fail=!1,b.prototype._status=null,b.prototype._error_message=null,b.prototype.discard=function(){return this.camera._discard(this),delete this._extra_canvas,delete this._image_data,void delete this._blob},b.prototype._options=function(){return this.camera._extend({},this.camera.options,this.options,this._upload_options)},b.prototype._start_upload=function(a){var b;return b="string"==typeof a.csrf_token&&a.csrf_token.length>0?a.csrf_token:null,this._done=!1,this._response=null,this._fail=!1,this._status=null,this._error_message=null,this.camera._engine_upload(this,a.api_url,b,a.timeout)},b.prototype._get_stats=function(a,b){var c,d,f,g,h,i,j,k,l,m,n;if(!this._stats){for(i=a.width*a.height,j=0,d=new Array(i),f=l=0;i>l;f=l+=1)g=4*f,c=.2126*a.data[g+0]+.7152*a.data[g+1]+.0722*a.data[g+2],c=Math.round(c),j+=c,d[f]=c;for(h=Math.round(j/i),k=0,m=0,n=d.length;n>m;m++)c=d[m],k+=Math.pow(c-h,2);this._stats=new e,this._stats.mean=h,this._stats.std=Math.round(Math.sqrt(k/i))}return b.call(this,this._stats)},b.prototype._stats=null,b.prototype._upload_done=function(){var a,b,c,d;return this.camera._debug("Upload completed with status "+this._status),this._done=!0,a=this._options(),c=a.retry_success&&a.retry_if&&a.retry_if.call(this,this._status,this._error_message,this._response,this._retry),!0===c&&(c=0),"number"==typeof c?(this._retry++,c>0?(b=parseInt(c),this.camera._debug("Will retry the upload in "+b+"ms (attempt #"+this._retry+")"),d=this,setTimeout(function(){return d._start_upload(a)},b)):(this.camera._debug("Will retry the upload immediately (attempt #"+this._retry+")"),this._start_upload(a))):(this._uploading=!1,a.on_upload_done?a.on_upload_done.call(this,this._response):void 0)},b.prototype._upload_fail=function(){var a,b,c,d;return this.camera._debug("Upload failed with status "+this._status),this._fail=!0,a=this._options(),c=a.retry_if&&a.retry_if.call(this,this._status,this._error_message,this._response,this._retry),!0===c&&(c=0),"number"==typeof c?(this._retry++,c>0?(b=parseInt(c),this.camera._debug("Will retry the upload in "+b+"ms (attempt #"+this._retry+")"),d=this,setTimeout(function(){return d._start_upload(a)},b)):(this.camera._debug("Will retry the upload immediately (attempt #"+this._retry+")"),this._start_upload(a))):(this._uploading=!1,a.on_upload_fail?a.on_upload_fail.call(this,this._status,this._error_message,this._response):void 0)},b}(),e=function(){function a(){}return a.prototype.mean=null,a.prototype.std=null,a}()}).call(this);