You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
2 lines
12 KiB
2 lines
12 KiB
9 years ago
|
// WebcamJS v1.0.6 - http://github.com/jhuckaby/webcamjs - MIT Licensed
|
||
|
|
(function(e){var Webcam={version:"1.0.6",protocol:location.protocol.match(/https/i)?"https":"http",swfURL:"",loaded:false,live:false,userMedia:true,params:{width:0,height:0,dest_width:0,dest_height:0,image_format:"jpeg",jpeg_quality:90,force_flash:false,flip_horiz:false,fps:30,upload_name:"webcam",constraints:null},hooks:{},init:function(){var t=this;this.mediaDevices=navigator.mediaDevices&&navigator.mediaDevices.getUserMedia?navigator.mediaDevices:navigator.mozGetUserMedia||navigator.webkitGetUserMedia?{getUserMedia:function(e){return new Promise(function(t,a){(navigator.mozGetUserMedia||navigator.webkitGetUserMedia).call(navigator,e,t,a)})}}:null;e.URL=e.URL||e.webkitURL||e.mozURL||e.msURL;this.userMedia=this.userMedia&&!!this.mediaDevices&&!!e.URL;if(navigator.userAgent.match(/Firefox\D+(\d+)/)){if(parseInt(RegExp.$1,10)<21)this.userMedia=null}if(this.userMedia){e.addEventListener("beforeunload",function(e){t.reset()})}},attach:function(t){if(typeof t=="string"){t=document.getElementById(t)||document.querySelector(t)}if(!t){return this.dispatch("error","Could not locate DOM element to attach to.")}this.container=t;t.innerHTML="";var a=document.createElement("div");t.appendChild(a);this.peg=a;if(!this.params.width)this.params.width=t.offsetWidth;if(!this.params.height)this.params.height=t.offsetHeight;if(!this.params.dest_width)this.params.dest_width=this.params.width;if(!this.params.dest_height)this.params.dest_height=this.params.height;if(this.params.force_flash)this.userMedia=null;if(typeof this.params.fps!=="number")this.params.fps=30;var i=this.params.width/this.params.dest_width;var s=this.params.height/this.params.dest_height;if(this.userMedia){var r=document.createElement("video");r.setAttribute("autoplay","autoplay");r.style.width=""+this.params.dest_width+"px";r.style.height=""+this.params.dest_height+"px";if(i!=1||s!=1){t.style.overflow="hidden";r.style.webkitTransformOrigin="0px 0px";r.style.mozTransformOrigin="0px 0px";r.style.msTransformOrigin="0px 0px";r.style.oTransformOrigin="0px 0px";r.style.transformOrigin="0px 0px";r.style.webkitTransform="scaleX("+i+") scaleY("+s+")";r.style.mozTransform="scaleX("+i+") scaleY("+s+")";r.style.msTransform="scaleX("+i+") scaleY("+s+")";r.style.oTransform="scaleX("+i+") scaleY("+s+")";r.style.transform="scaleX("+i+") scaleY("+s+")"}t.appendChild(r);this.video=r;var o=this;this.mediaDevices.getUserMedia({audio:false,video:this.params.constraints||{mandatory:{minWidth:this.params.dest_width,minHeight:this.params.dest_height}}}).then(function(t){r.src=e.URL.createObjectURL(t)||t;o.stream=t;o.loaded=true;o.live=true;o.dispatch("load");o.dispatch("live");o.flip()}).catch(function(e){return o.dispatch("error","Could not access webcam: "+e.name+": "+e.message,e)})}else{e.Webcam=Webcam;var h=document.createElement("div");h.innerHTML=this.getSWFHTML();t.appendChild(h)}if(this.params.crop_width&&this.params.crop_height){var n=Math.floor(this.params.crop_width*i);var l=Math.floor(this.params.crop_height*s);t.style.width=""+n+"px";t.style.height=""+l+"px";t.style.overflow="hidden";t.scrollLeft=Math.floor(this.params.width/2-n/2);t.scrollTop=Math.floor(this.params.height/2-l/2)}else{t.style.width=""+this.params.width+"px";t.style.height=""+this.params.height+"px"}},reset:function(){if(this.preview_active)this.unfreeze();this.unflip();if(this.userMedia){if(this.stream){if(this.stream.getVideoTracks){var e=this.stream.getVideoTracks();if(e&&e[0]&&e[0].stop)e[0].stop()}else if(this.stream.stop){this.stream.stop()}}delete this.stream;delete this.video}if(this.container){this.container.innerHTML="";delete this.container}this.loaded=false;this.live=false},set:function(){if(arguments.length==1){for(var e in arguments[0]){this.params[e]=arguments[0][e]}}else{this.params[arguments[0]]=arguments[1]}},on:function(e,t){e=e.replace(/^on/i,"").toLowerCase();if(!this.hooks[e])this.hooks[e]=[];this.hooks[e].push(t)},off:function(e,t){e=e.replace(/^on/i,"").toLowerCase();if(this.hooks[e]){if(t){var a=this.hooks[e].indexOf(t);if(a>-1)this.hooks[e].splice(a,1)}else{this.hooks[e]=[]}}},dispatch:func
|