Commit 50fc39d9 authored by Gabriel Monnerat's avatar Gabriel Monnerat

erp5_document_scanner: Initial gadget to scanner documents using mobile

For now, this is chrome only
parent 8f3b7751
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e=this.crossOrigin,t=this.options.preview,a=e?this.crossOriginUrl:this.url,i=document.createElement("img");if(e&&(i.crossOrigin=e),i.src=a,this.viewBox.appendChild(i),this.viewBoxImage=i,t){var n=t;"string"==typeof t?n=this.element.ownerDocument.querySelectorAll(t):t.querySelector&&(n=[t]),nt(this.previews=n,function(t){var i=document.createElement("img");gt(t,g,{width:t.offsetWidth,height:t.offsetHeight,html:t.innerHTML}),e&&(i.crossOrigin=e),i.src=a,i.style.cssText='display:block;width:100%;height:auto;min-width:0!important;min-height:0!important;max-width:none!important;max-height:none!important;image-orientation:0deg!important;"',t.innerHTML="",t.appendChild(i)})}},resetPreview:function(){nt(this.previews,function(t){var i=ut(t,g);st(t,{width:i.width,height:i.height}),t.innerHTML=i.html,function(i,e){if(J(i[e]))try{delete i[e]}catch(t){i[e]=void 0}else if(i.dataset)try{delete i.dataset[e]}catch(t){i.dataset[e]=void 0}else 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t=this.element,i=this.options,e=this.cropper;it(i.cropstart)&&yt(t,y,i.cropstart),it(i.cropmove)&&yt(t,x,i.cropmove),it(i.cropend)&&yt(t,b,i.cropend),it(i.crop)&&yt(t,w,i.crop),it(i.zoom)&&yt(t,U,i.zoom),yt(e,C,this.onCropStart=this.cropStart.bind(this)),i.zoomable&&i.zoomOnWheel&&yt(e,j,this.onWheel=this.wheel.bind(this),{passive:!1,capture:!0}),i.toggleDragModeOnDblclick&&yt(e,M,this.onDblclick=this.dblclick.bind(this)),yt(t.ownerDocument,D,this.onCropMove=this.cropMove.bind(this)),yt(t.ownerDocument,B,this.onCropEnd=this.cropEnd.bind(this)),i.responsive&&yt(window,I,this.onResize=this.resize.bind(this))},unbind:function(){var 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t,i;this.disabled||this.options.dragMode===v||this.setDragMode((t=this.dragBox,i=r,(t.classList?t.classList.contains(i):-1<t.className.indexOf(i))?f:c))},wheel:function(t){var i=this,e=Number(this.options.wheelZoomRatio)||.1,a=1;this.disabled||(t.preventDefault(),this.wheeling||(this.wheeling=!0,setTimeout(function(){i.wheeling=!1},50),t.deltaY?a=0<t.deltaY?1:-1:t.wheelDelta?a=-t.wheelDelta/120:t.detail&&(a=0<t.detail?1:-1),this.zoom(-a*e,t)))},cropStart:function(t){var i=t.buttons,e=t.button;if(!(this.disabled||G(i)&&1!==i||G(e)&&0!==e||t.ctrlKey)){var a,n=this.options,o=this.pointers;t.changedTouches?nt(t.changedTouches,function(t){o[t.identifier]=Wt(t)}):o[t.pointerId||0]=Wt(t),a=1<Object.keys(o).length&&n.zoomable&&n.zoomOnTouch?W:ut(t.target,u),P.test(a)&&!1!==Mt(this.element,y,{originalEvent:t,action:a})&&(t.preventDefault(),this.action=a,this.cropping=!1,a===T&&(this.cropping=!0,ct(this.dragBox,s)))}},cropMove:function(t){var i=this.action;if(!this.disabled&&i){var e=this.pointers;t.preventDefault(),!1!==Mt(this.element,x,{originalEvent:t,action:i})&&(t.changedTouches?nt(t.changedTouches,function(t){ot(e[t.identifier]||{},Wt(t,!0))}):ot(e[t.pointerId||0]||{},Wt(t,!0)),this.change(t))}},cropEnd:function(t){if(!this.disabled){var i=this.action,e=this.pointers;t.changedTouches?nt(t.changedTouches,function(t){delete e[t.identifier]}):delete e[t.pointerId||0],i&&(t.preventDefault(),Object.keys(e).length||(this.action=""),this.cropping&&(this.cropping=!1,lt(this.dragBox,s,this.cropped&&this.options.modal)),Mt(this.element,b,{originalEvent:t,action:i}))}}},At={change:function(t){var i,e=this.options,a=this.canvasData,n=this.containerData,o=this.cropBoxData,h=this.pointers,r=this.action,s=e.aspectRatio,c=o.left,d=o.top,l=o.width,p=o.height,m=c+l,u=d+p,g=0,f=0,v=n.width,w=n.height,b=!0;!s&&t.shiftKey&&(s=l&&p?l/p:1),this.limited&&(g=o.minLeft,f=o.minTop,v=g+Math.min(n.width,a.width,a.left+a.width),w=f+Math.min(n.height,a.height,a.top+a.height));var x,y,M,C=h[Object.keys(h)[0]],D={x:C.endX-C.startX,y:C.endY-C.startY},B=function(t){switch(t){case N:m+D.x>v&&(D.x=v-m);break;case H:c+D.x<g&&(D.x=g-c);break;case O:d+D.y<f&&(D.y=f-d);break;case L:u+D.y>w&&(D.y=w-u)}};switch(r){case k:c+=D.x,d+=D.y;break;case N:if(0<=D.x&&(v<=m||s&&(d<=f||w<=u))){b=!1;break}B(N),(l+=D.x)<0&&(r=H,c-=l=-l),s&&(p=l/s,d+=(o.height-p)/2);break;case O:if(D.y<=0&&(d<=f||s&&(c<=g||v<=m))){b=!1;break}B(O),p-=D.y,d+=D.y,p<0&&(r=L,d-=p=-p),s&&(l=p*s,c+=(o.width-l)/2);break;case H:if(D.x<=0&&(c<=g||s&&(d<=f||w<=u))){b=!1;break}B(H),l-=D.x,c+=D.x,l<0&&(r=N,c-=l=-l),s&&(p=l/s,d+=(o.height-p)/2);break;case L:if(0<=D.y&&(w<=u||s&&(c<=g||v<=m))){b=!1;break}B(L),(p+=D.y)<0&&(r=O,d-=p=-p),s&&(l=p*s,c+=(o.width-l)/2);break;case z:if(s){if(D.y<=0&&(d<=f||v<=m)){b=!1;break}B(O),p-=D.y,d+=D.y,l=p*s}else 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this.ready&&!this.disabled&&(this.imageData=ot({},this.initialImageData),this.canvasData=ot({},this.initialCanvasData),this.cropBoxData=ot({},this.initialCropBoxData),this.renderCanvas(),this.cropped&&this.renderCropBox()),this},clear:function(){return this.cropped&&!this.disabled&&(ot(this.cropBoxData,{left:0,top:0,width:0,height:0}),this.cropped=!1,this.renderCropBox(),this.limitCanvas(!0,!0),this.renderCanvas(),dt(this.dragBox,s),ct(this.cropBox,A)),this},replace:function(i){var t=1<arguments.length&&void 0!==arguments[1]&&arguments[1];return!this.disabled&&i&&(this.isImg&&(this.element.src=i),t?(this.url=i,this.image.src=i,this.ready&&(this.viewBoxImage.src=i,nt(this.previews,function(t){t.getElementsByTagName("img")[0].src=i}))):(this.isImg&&(this.replaced=!0),this.options.data=null,this.uncreate(),this.load(i))),this},enable:function(){return this.ready&&this.disabled&&(this.disabled=!1,dt(this.cropper,a)),this},disable:function(){return this.ready&&!this.disabled&&(this.disabled=!0,ct(this.cropper,a)),this},destroy:function(){var t=this.element;return t[d]&&(t[d]=void 0,this.isImg&&this.replaced&&(t.src=this.originalUrl),this.uncreate()),this},move:function(t){var i=1<arguments.length&&void 0!==arguments[1]?arguments[1]:t,e=this.canvasData,a=e.left,n=e.top;return this.moveTo(F(t)?t:a+Number(t),F(i)?i:n+Number(i))},moveTo:function(t){var i=1<arguments.length&&void 0!==arguments[1]?arguments[1]:t,e=this.canvasData,a=!1;return t=Number(t),i=Number(i),this.ready&&!this.disabled&&this.options.movable&&(G(t)&&(e.left=t,a=!0),G(i)&&(e.top=i,a=!0),a&&this.renderCanvas(!0)),this},zoom:function(t,i){var e=this.canvasData;return t=(t=Number(t))<0?1/(1-t):1+t,this.zoomTo(e.width*t/e.naturalWidth,null,i)},zoomTo:function(t,i,e){var a,n,o,h=this.options,r=this.canvasData,s=r.width,c=r.height,d=r.naturalWidth,l=r.naturalHeight;if(0<=(t=Number(t))&&this.ready&&!this.disabled&&h.zoomable){var 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V=Z/K,F=Nt({aspectRatio:V,width:t.maxWidth||1/0,height:t.maxHeight||1/0}),J=Nt({aspectRatio:V,width:t.minWidth||0,height:t.minHeight||0},"cover"),_=Nt({aspectRatio:V,width:t.width||(1!==G?q.width:Z),height:t.height||(1!==G?q.height:K)}),tt=_.width,it=_.height;tt=Math.min(F.width,Math.max(J.width,tt)),it=Math.min(F.height,Math.max(J.height,it));var et=document.createElement("canvas"),at=et.getContext("2d");et.width=xt(tt),et.height=xt(it),at.fillStyle=t.fillColor||"transparent",at.fillRect(0,0,tt,it);var nt=t.imageSmoothingEnabled,ot=void 0===nt||nt,ht=t.imageSmoothingQuality;at.imageSmoothingEnabled=ot,ht&&(at.imageSmoothingQuality=ht);var rt,st,ct,dt,lt,pt,mt=q.width,ut=q.height,gt=$,ft=Q;gt<=-Z||mt<gt?lt=ct=rt=gt=0:gt<=0?(ct=-gt,gt=0,lt=rt=Math.min(mt,Z+gt)):gt<=mt&&(ct=0,lt=rt=Math.min(Z,mt-gt)),rt<=0||ft<=-K||ut<ft?pt=dt=st=ft=0:ft<=0?(dt=-ft,ft=0,pt=st=Math.min(ut,K+ft)):ft<=ut&&(dt=0,pt=st=Math.min(K,ut-ft));var vt=[gt,ft,rt,st];if(0<lt&&0<pt){var wt=tt/Z;vt.push(ct*wt,dt*wt,lt*wt,pt*wt)}return at.drawImage.apply(at,[q].concat(bt(vt.map(function(t){return Math.floor(xt(t))})))),et},setAspectRatio:function(t){var i=this.options;return this.disabled||F(t)||(i.aspectRatio=Math.max(0,t)||NaN,this.ready&&(this.initCropBox(),this.cropped&&this.renderCropBox())),this},setDragMode:function(t){var i=this.options,e=this.dragBox,a=this.face;if(this.ready&&!this.disabled){var n=t===c,o=i.movable&&t===f;t=n||o?t:v,i.dragMode=t,gt(e,u,t),lt(e,r,n),lt(e,m,o),i.cropBoxMovable||(gt(a,u,t),lt(a,r,n),lt(a,m,o))}return this}},It=h.Cropper,jt=function(){function e(t){var i=1<arguments.length&&void 0!==arguments[1]?arguments[1]:{};if(function(t,i){if(!(t instanceof i))throw new TypeError("Cannot call a class as a function")}(this,e),!t||!Q.test(t.tagName))throw new Error("The first argument is required and must be an <img> or <canvas> element.");this.element=t,this.options=ot({},Z,tt(i)&&i),this.cropped=!1,this.disabled=!1,this.pointers={},this.ready=!1,this.reloading=!1,this.replaced=!1,this.sized=!1,this.sizing=!1,this.init()}var t,i,a;return t=e,a=[{key:"noConflict",value:function(){return window.Cropper=It,e}},{key:"setDefaults",value:function(t){ot(Z,tt(t)&&t)}}],(i=[{key:"init",value:function(){var t,i=this.element,e=i.tagName.toLowerCase();if(!i[d]){if(i[d]=this,"img"===e){if(this.isImg=!0,t=i.getAttribute("src")||"",!(this.originalUrl=t))return;t=i.src}else"canvas"===e&&window.HTMLCanvasElement&&(t=i.toDataURL());this.load(t)}}},{key:"load",value:function(t){var i=this;if(t){this.url=t,this.imageData={};var e=this.element,a=this.options;if(a.rotatable||a.scalable||(a.checkOrientation=!1),a.checkOrientation&&window.ArrayBuffer)if($.test(t))this.read((n=t.replace(Lt,""),o=atob(n),h=new ArrayBuffer(o.length),nt(r=new Uint8Array(h),function(t,i){r[i]=o.charCodeAt(i)}),h));else{var n,o,h,r,s=new XMLHttpRequest,c=this.clone.bind(this);this.reloading=!0,(this.xhr=s).onabort=c,s.onerror=c,s.ontimeout=c,s.onprogress=function(){s.getResponseHeader("content-type")!==q&&s.abort()},s.onload=function(){i.read(s.response)},s.onloadend=function(){i.reloading=!1,i.xhr=null},a.checkCrossOrigin&&kt(t)&&e.crossOrigin&&(t=Tt(t)),s.open("GET",t),s.responseType="arraybuffer",s.withCredentials="use-credentials"===e.crossOrigin,s.send()}else this.clone()}}},{key:"read",value:function(t){var i=this.options,e=this.imageData,a=Ot(t),n=0,o=1,h=1;if(1<a){this.url=function(t,i){for(var e=[],a=new Uint8Array(t);0<a.length;)e.push(Ht.apply(null,at(a.subarray(0,8192)))),a=a.subarray(8192);return"data:".concat(i,";base64,").concat(btoa(e.join("")))}(t,q);var r=function(t){var i=0,e=1,a=1;switch(t){case 2:e=-1;break;case 3:i=-180;break;case 4:a=-1;break;case 5:i=90,a=-1;break;case 6:i=90;break;case 7:i=90,e=-1;break;case 8:i=-90}return{rotate:i,scaleX:e,scaleY:a}}(a);n=r.rotate,o=r.scaleX,h=r.scaleY}i.rotatable&&(e.rotate=n),i.scalable&&(e.scaleX=o,e.scaleY=h),this.clone()}},{key:"clone",value:function(){var t,i,e=this.element,a=this.url;this.options.checkCrossOrigin&&kt(a)&&(i=(t=e.crossOrigin)?a:(t="anonymous",Tt(a))),this.crossOrigin=t,this.crossOriginUrl=i;var n=document.createElement("img");t&&(n.crossOrigin=t),n.src=i||a,(this.image=n).onload=this.start.bind(this),n.onerror=this.stop.bind(this),ct(n,l),e.parentNode.insertBefore(n,e.nextSibling)}},{key:"start",value:function(){var e=this,t=this.isImg?this.element:this.image;t.onload=null,t.onerror=null,this.sizing=!0;var i=h.navigator&&/^(?:.(?!chrome|android))*safari/i.test(h.navigator.userAgent),a=function(t,i){ot(e.imageData,{naturalWidth:t,naturalHeight:i,aspectRatio:t/i}),e.sizing=!1,e.sized=!0,e.build()};if(!t.naturalWidth||i){var n=document.createElement("img"),o=document.body||document.documentElement;(this.sizingImage=n).onload=function(){a(n.width,n.height),i||o.removeChild(n)},n.src=t.src,i||(n.style.cssText="left:0;max-height:none!important;max-width:none!important;min-height:0!important;min-width:0!important;opacity:0;position:absolute;top:0;z-index:-1;",o.appendChild(n))}else a(t.naturalWidth,t.naturalHeight)}},{key:"stop",value:function(){var t=this.image;t.onload=null,t.onerror=null,t.parentNode.removeChild(t),this.image=null}},{key:"build",value:function(){if(this.sized&&!this.ready){var t=this.element,i=this.options,e=this.image,a=t.parentNode,n=document.createElement("div");n.innerHTML='<div class="cropper-container" touch-action="none"><div class="cropper-wrap-box"><div class="cropper-canvas"></div></div><div class="cropper-drag-box"></div><div class="cropper-crop-box"><span class="cropper-view-box"></span><span class="cropper-dashed dashed-h"></span><span class="cropper-dashed dashed-v"></span><span class="cropper-center"></span><span class="cropper-face"></span><span class="cropper-line line-e" data-cropper-action="e"></span><span class="cropper-line line-n" data-cropper-action="n"></span><span class="cropper-line line-w" data-cropper-action="w"></span><span class="cropper-line line-s" data-cropper-action="s"></span><span class="cropper-point point-e" data-cropper-action="e"></span><span class="cropper-point point-n" data-cropper-action="n"></span><span class="cropper-point point-w" data-cropper-action="w"></span><span class="cropper-point point-s" data-cropper-action="s"></span><span class="cropper-point point-ne" data-cropper-action="ne"></span><span class="cropper-point point-nw" data-cropper-action="nw"></span><span class="cropper-point point-sw" data-cropper-action="sw"></span><span class="cropper-point point-se" data-cropper-action="se"></span></div></div>';var o=n.querySelector(".".concat(d,"-container")),h=o.querySelector(".".concat(d,"-canvas")),r=o.querySelector(".".concat(d,"-drag-box")),s=o.querySelector(".".concat(d,"-crop-box")),c=s.querySelector(".".concat(d,"-face"));this.container=a,this.cropper=o,this.canvas=h,this.dragBox=r,this.cropBox=s,this.viewBox=o.querySelector(".".concat(d,"-view-box")),this.face=c,h.appendChild(e),ct(t,A),a.insertBefore(o,t.nextSibling),this.isImg||dt(e,l),this.initPreview(),this.bind(),i.initialAspectRatio=Math.max(0,i.initialAspectRatio)||NaN,i.aspectRatio=Math.max(0,i.aspectRatio)||NaN,i.viewMode=Math.max(0,Math.min(3,Math.round(i.viewMode)))||0,ct(s,A),i.guides||ct(s.getElementsByClassName("".concat(d,"-dashed")),A),i.center||ct(s.getElementsByClassName("".concat(d,"-center")),A),i.background&&ct(o,"".concat(d,"-bg")),i.highlight||ct(c,p),i.cropBoxMovable&&(ct(c,m),gt(c,u,k)),i.cropBoxResizable||(ct(s.getElementsByClassName("".concat(d,"-line")),A),ct(s.getElementsByClassName("".concat(d,"-point")),A)),this.render(),this.ready=!0,this.setDragMode(i.dragMode),i.autoCrop&&this.crop(),this.setData(i.data),it(i.ready)&&yt(t,S,i.ready,{once:!0}),Mt(t,S)}}},{key:"unbuild",value:function(){this.ready&&(this.ready=!1,this.unbind(),this.resetPreview(),this.cropper.parentNode.removeChild(this.cropper),dt(this.element,A))}},{key:"uncreate",value:function(){this.ready?(this.unbuild(),this.ready=!1,this.cropped=!1):this.sizing?(this.sizingImage.onload=null,this.sizing=!1,this.sized=!1):this.reloading?(this.xhr.onabort=null,this.xhr.abort()):this.image&&this.stop()}}])&&n(t.prototype,i),a&&n(t,a),e}();return ot(jt.prototype,zt,Yt,Xt,Rt,At,St),jt});
\ No newline at end of file
<?xml version="1.0"?>
<ZopeData>
<record id="1" aka="AAAAAAAAAAE=">
<pickle>
<global name="File" module="OFS.Image"/>
</pickle>
<pickle>
<dictionary>
<item>
<key> <string>__name__</string> </key>
<value> <string>cropper.min.js</string> </value>
</item>
<item>
<key> <string>content_type</string> </key>
<value> <string>application/x-javascript</string> </value>
</item>
<item>
<key> <string>precondition</string> </key>
<value> <string></string> </value>
</item>
<item>
<key> <string>title</string> </key>
<value> <string>cropper.min.js</string> </value>
</item>
</dictionary>
</pickle>
</record>
</ZopeData>
.device-selector {
text-align: center;
font-size: 19px;
}
.video, .photo, .output {
width: auto;
height: 360px;
filter: brightness(1);
}
.canvas {
display: none;
filter: brightness(1);
}
.output {
float: right;
}
.camera {
float: left;
padding-right: 2em;
}
.camera, .output {
display:inline-block;
}
.startbutton, .crop-button {
display:block;
position:relative;
margin: 0 auto;
bottom: 3em;
background-color: rgba(0, 150, 0, 0.5);
border: 1px solid rgba(255, 255, 255, 0.7);
box-shadow: 0px 0px 1px 2px rgba(0, 0, 0, 0.2);
font-size: 14px;
font-family: "Lucida Grande", "Arial", sans-serif;
color: rgba(255, 255, 255, 1.0);
}
.contentarea {
font-size: 16px;
font-family: "Lucida Grande", "Arial", sans-serif;
width: 760px;
}
<?xml version="1.0"?>
<ZopeData>
<record id="1" aka="AAAAAAAAAAE=">
<pickle>
<global name="File" module="OFS.Image"/>
</pickle>
<pickle>
<dictionary>
<item>
<key> <string>__name__</string> </key>
<value> <string>gadget_document_scanner.css</string> </value>
</item>
<item>
<key> <string>content_type</string> </key>
<value> <string>text/css</string> </value>
</item>
<item>
<key> <string>precondition</string> </key>
<value> <string></string> </value>
</item>
<item>
<key> <string>title</string> </key>
<value> <string></string> </value>
</item>
</dictionary>
</pickle>
</record>
</ZopeData>
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-type" content="text/html; charset=utf-8" />
<meta name="viewport" content="width=device-width, user-scalable=no" />
<link rel="stylesheet" href="gadget_document_scanner.css">
<link rel="stylesheet" href="cropper.min.css">
<script type="text/javascript" src="cropper.min.js"></script>
<script type="text/javascript" src="gadget_document_scanner.js?foo=005"></script>
<title>Gadget Document Scanner</title>
</head>
<body>
<div class="device-selector">
<select>
<option value="">--------</option>
</select>
</div>
<div style="display: inline-block;">
<div class="camera">
<video class="video">Webcam is not available</video>
<button type="button" class="startbutton">Take a picture!</button>
</div>
<canvas class="canvas"></canvas>
<div class="output" style="display: none;">
<img class="photo" alt="Photo">
<input class="photoInput" type="hidden">
<button class="crop-button">Crop</button>
</div>
</div>
</body>
</html>
\ No newline at end of file
<?xml version="1.0"?>
<ZopeData>
<record id="1" aka="AAAAAAAAAAE=">
<pickle>
<global name="File" module="OFS.Image"/>
</pickle>
<pickle>
<dictionary>
<item>
<key> <string>__name__</string> </key>
<value> <string>gadget_document_scanner.html</string> </value>
</item>
<item>
<key> <string>content_type</string> </key>
<value> <string>text/html</string> </value>
</item>
<item>
<key> <string>precondition</string> </key>
<value> <string></string> </value>
</item>
<item>
<key> <string>title</string> </key>
<value> <string></string> </value>
</item>
</dictionary>
</pickle>
</record>
</ZopeData>
(function (rJS, RSVP, window, document, navigator, Cropper, console, alert, FileReader, URL) {
"use strict";
var imageWidth,
imageHeight,
cropper,
video,
canvas,
photo,
startbutton,
photoInput,
imageCapture;
function gotStream(mediaStream) {
imageCapture = new window.ImageCapture(mediaStream.getVideoTracks()[0]);
video.srcObject = mediaStream;
return imageCapture.getPhotoCapabilities();
}
function contrastImage(input, output, contrast) {
var outputContext,
inputContext = input.getContext("2d"),
imageData = inputContext.getImageData(0, 0, input.width, input.height),
data = imageData.data,
factor = (259 * (contrast + 255)) / (255 * (259 - contrast));
for (var i=0;i<data.length;i+=4) {
data[i] = factor * (data[i] - 128) + 128;
data[i+1] = factor * (data[i+1] - 128) + 128;
data[i+2] = factor * (data[i+2] - 128) + 128;
}
outputContext = output.getContext("2d");
outputContext.putImageData(imageData, 0, 0);
}
function grayscale (input, output) {
var gray,
outputContext,
inputContext = input.getContext("2d"),
imageData = inputContext.getImageData(0, 0, input.width, input.height),
data = imageData.data,
arraylength = input.width * input.height * 4;
//gray = 0.3*R + 0.59*G + 0.11*B
// http://www.tannerhelland.com/3643/grayscale-image-algorithm-vb6/
for (var i=arraylength-1; i>0;i-=4) {
gray = 0.3 * data[i-3] + 0.59 * data[i-2] + 0.11 * data[i-1];
data[i-3] = gray;
data[i-2] = gray;
data[i-1] = gray;
}
outputContext = output.getContext("2d");
outputContext.putImageData(imageData, 0, 0);
}
function startup(gadget, device_id) {
var media, mediaList = [];
video = gadget.querySelector(".video");
canvas = gadget.querySelector(".canvas");
photo = gadget.querySelector(".photo");
photoInput = gadget.querySelector(".photoInput");
startbutton = gadget.querySelector(".startbutton");
navigator.mediaDevices.getUserMedia({video: {deviceId: {exact: device_id}}})
.then(gotStream)
.then(function(photoCapabilities) {
imageWidth = photoCapabilities.imageWidth.max;
imageHeight = photoCapabilities.imageHeight.max;
document.querySelector("textarea[name='field_your_description']").value = "Max => " + imageWidth + "x" + imageHeight;
video.play();
})
.catch(function(e) {
console.log(e);
});
startbutton.addEventListener("click", function(evt){
evt.preventDefault();
takePicture(gadget);
}, false);
}
function clearphoto() {
var data, context = canvas.getContext("2d");
context.fillRect(0, 0, canvas.width, canvas.height);
data = canvas.toDataURL("image/png");
photo.setAttribute("src", data);
}
function takePicture(gadget) {
imageCapture.takePhoto({imageWidth: imageWidth})
.then(function(blob){
var reader = new FileReader();
reader.readAsDataURL(blob);
reader.onloadend = function() {
photoInput.setAttribute("value", reader.result.split(",")[1]);
photo.setAttribute("src", reader.result);
photo.setAttribute("width", imageWidth);
photo.setAttribute("height", imageHeight);
return drawCanvas(gadget, photo);
};
});
}
function drawCanvas(gadget, img) {
var ratio, x, y, data;
canvas.width = imageWidth;
canvas.height = imageHeight;
ratio = Math.min(canvas.width / img.width, canvas.height / img.height);
x = (canvas.width - img.width * ratio) / 2;
y = (canvas.height - img.height * ratio) / 2;
document.querySelector("textarea[name='field_your_description']").value += "\nImage size " + img.width + "x" + img.height;
canvas.getContext('2d').clearRect(0, 0, canvas.width, canvas.height);
canvas.getContext('2d').drawImage(img, 0, 0, img.width, img.height, x, y, img.width * ratio, img.height * ratio);
//grayscale(canvas, canvas);
//contrastImage(canvas, canvas, 10);
gadget.querySelector(".output").style.display = "";
if (cropper) {
cropper.destroy();
}
cropper = new Cropper(gadget.querySelector('.photo'), {});
gadget.querySelector(".crop-button").addEventListener("click", function(evt) {
var canvasData;
evt.preventDefault();
canvasData = cropper.getCanvasData();
cropper.getCroppedCanvas().toBlob(function(blob){
var reader = new window.FileReader(),
photo = gadget.querySelector(".photo");
reader.readAsDataURL(blob);
reader.onloadend = function () {
var base64data = reader.result,
block = base64data.split(";"),
contentType = block[0].split(":")[1],
realData = block[1].split(",")[1];
photo.style.width = canvasData.width + "px";
photo.style.height = canvasData.height + "px";
photo.src = base64data;
photoInput.value = realData;
cropper.destroy();
};
});
});
}
rJS(window)
.declareMethod('render', function (options) {
var el,
root,
selector;
return this.getElement()
.push(function (element) {
root = element;
selector = element.querySelector("select");
return navigator.mediaDevices.enumerateDevices();
})
.push(function (info_list) {
var j,
device,
len = info_list.length;
for (j = 0; j < len; j += 1) {
device = info_list[j];
if (device.kind === 'videoinput') {
el = document.createElement("option");
el.value = device.deviceId;
el.innerText = device.label;
selector.appendChild(el);
}
}
})
.push(function() {
selector.addEventListener("change", function(evt) {
if (video) {
video.pause();
}
if (evt.target.value) {
return startup(root, evt.target.value);
}
});
});
})
.declareMethod('getContent', function () {
var input = this.element.querySelector('.photoInput'),
result = {};
result.field_your_document_scanner_gadget = input.value;
return result;
});
}(rJS, RSVP, window, document, navigator, Cropper, console, alert, FileReader, URL));
\ No newline at end of file
<?xml version="1.0"?>
<ZopeData>
<record id="1" aka="AAAAAAAAAAE=">
<pickle>
<global name="File" module="OFS.Image"/>
</pickle>
<pickle>
<dictionary>
<item>
<key> <string>__name__</string> </key>
<value> <string>gadget_document_scanner.js</string> </value>
</item>
<item>
<key> <string>content_type</string> </key>
<value> <string>application/javascript</string> </value>
</item>
<item>
<key> <string>precondition</string> </key>
<value> <string></string> </value>
</item>
<item>
<key> <string>title</string> </key>
<value> <string></string> </value>
</item>
</dictionary>
</pickle>
</record>
</ZopeData>
erp5_dms
erp5_accounting
\ No newline at end of file
GPL
\ No newline at end of file
erp5_document_scanner
\ No newline at end of file
erp5_document_scanner
\ No newline at end of file
0.1
\ No newline at end of file
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