MediaWiki:OCR.js

function ocr_callback(ocrtext){

  var tb = document.getElementById("wpTextbox1");
  tb.value = ocrtext;
  tb.disabled=false;

}

function add_ocr() {

   var tb = document.getElementById("wpTextbox1");
   tb.disabled=true;
   var input = document.getElementById("wpOcr");
   if(input) input.disabled=true;
   if( proofreadPageWidth <= 1024 ) thumb_url = proofreadPageViewURL;
   else thumb_url = proofreadPageThumbURL.replace('##WIDTH##',1024); 
   request_url = "http://toolserver.org/~thomasv/ocr.php?url="+thumb_url+"&lang="+wgContentLanguage+"&user="+wgUserName;
   var scriptObj = document.createElement("script");
   scriptObj.setAttribute("type", "text/javascript");
   scriptObj.setAttribute("src", request_url);
   scriptObj.setAttribute("id", "ocr_cb");
   var headLoc = document.getElementsByTagName("head").item(0);
   headLoc.appendChild(scriptObj);

}

function addOCRButton2(id,comment,source,onclick){

var tb = document.getElementById("toolbar"); if(tb){ var image = document.createElement("img"); image.width = 46; image.height = 22; image.border = 0; image.className = "mw-toolbar-editbutton"; image.style.cursor = "pointer"; image.alt = "OCR"; image.title = comment; image.src = source; image.onclick = onclick; tb.appendChild(image);

       }

}

function fraktur_ocr(){

  self.wgContentLanguage = "de-f";
  add_ocr();
  self.wgContentLanguage = "de";

}

function addOCRButton(){

   if(!self.proofreadPageIsEdit) return;
   if(!self.proofreadPageViewURL) return;
   //if(wgCurRevisionId) 

   if(self.wgContentLanguage == "de"){
      addOCRButton2("wpOcr","Normale OCR","http://upload.wikimedia.org/wikipedia/commons/e/e0/Button_ocr.png",add_ocr);
      addOCRButton2("wpOcr","Fraktur OCR","http://upload.wikimedia.org/wikipedia/commons/a/af/Button_Fractur_OCR.png",fraktur_ocr);
   }
   else addOCRButton2("wpOcr","Get the text by OCR","http://upload.wikimedia.org/wikipedia/commons/e/e0/Button_ocr.png",add_ocr);

}

if(!self.proofreadpage_disable_ocr) addOnloadHook(addOCRButton);