--- a/Applications/StoneWebViewer/WebApplication/print.js	Mon Sep 21 18:29:53 2020 +0200
+++ b/Applications/StoneWebViewer/WebApplication/print.js	Wed Sep 23 17:25:25 2020 +0200
@@ -1,7 +1,6 @@
-function beforePrint(event){
-  console.log('beforePrint');
-  var $body = $('body');
-  $body.addClass('print');
+function beforePrint(event) {
+  var body = $('body');
+  body.addClass('print');
 
   // because firefox does not support/executes codes after the cloned document as been rendered
   // https://bugzilla.mozilla.org/show_bug.cgi?format=default&id=1048317
@@ -11,148 +10,63 @@
   var isFirefox = (uaParser.getBrowser().name === 'Firefox');
   var isIE = (uaParser.getBrowser().name === 'IE');
   var isEdge = (uaParser.getBrowser().name === 'Edge');
-  console.log('ua parser', uaParser.getBrowser());
-  if(isFirefox || isIE || isEdge){
-    $body.css('width', '8.5in');
-    $body.css('height', '11in');
-    // console.log('html size', $html.width(), $html.height());
-  }
-
-  if(isIE){
-    window.alert('GENERAL_PARAGRAPHS.INCOMPATIBLE_PRINT_BROWSER');
+  //console.log('ua parser', uaParser.getBrowser());
+  
+  if (isFirefox || isIE || isEdge) {
+    if (0) {
+      // This is Letter
+      body.css('width', '8.5in');
+      body.css('height', '11in');
+    } else {
+      // This is A4
+      body.css('width', '210mm');
+      body.css('height', '296mm');  // If using "297mm", Firefox creates a second blank page
+    }
   }
 
-  console.log('body size', $body.width(), $body.height());
-  
-  var $splitpane = $('#viewport');
-  var splitpaneSize = {width: $splitpane.width(), height: $splitpane.height()};
-  console.log(splitpaneSize);
-  var panesCount = {
-    x: app.layoutCountX,
-    y: app.layoutCountY
-  }
-
-  var panes = [];
-  $('#viewport canvas').each(function(key, value) {
-    if ($(value).is(':visible')) {
-      console.log(value);
-      panes.push(value);
+  $('#viewport canvas').each(function(key, canvas) {
+    if ($(canvas).is(':visible')) {
+      $(canvas).width($(canvas).parent().width());
+      $(canvas).height($(canvas).parent().height());
     }
   });
-  
-  console.log(panesCount);
-  
-  for(var i = 0; i < panes.length; i++){
-    var canvas = panes[i];
-    var paneSize = {
-      originalWidth: canvas.getBoundingClientRect().width,
-      originalHeight: canvas.getBoundingClientRect().height,
-      originalRatio: 0,
-      paneFinalWidth: splitpaneSize.width / panesCount.x,
-      paneFinalHeight: splitpaneSize.height / panesCount.y,
-      paneFinalRatio: 0,
-      canvasFinalWidth: 0,
-      canvasFinalHeight: 0,
-      canvasFinalRatio: 0
-    };
-    paneSize.originalRatio = paneSize.originalWidth / paneSize.originalHeight;
-    paneSize.paneFinalRatio = paneSize.paneFinalWidth / paneSize.paneFinalHeight;
 
-    if(paneSize.paneFinalRatio > 1){
-      // If pane width ratio means it's width is larger than it's height
-      if(paneSize.paneFinalRatio > paneSize.originalRatio){
-        // the final pane is larger than the original
-        // So we should fit on the height to recalc the ratio
-        console.log('case 1');
-        paneSize.canvasFinalHeight = paneSize.paneFinalHeight;
-        paneSize.canvasFinalWidth = paneSize.canvasFinalHeight * paneSize.originalRatio; // Then we calc the width according the ratio
-      } else {
-        // the final pane is higher than or equal to the original
-        // So we should fit on the width
-        console.log('case 2');
-        paneSize.canvasFinalWidth = paneSize.paneFinalWidth;
-        paneSize.canvasFinalHeight = paneSize.canvasFinalWidth / paneSize.originalRatio; // Then we calc the width according the ratio
-
-      }
-    } else {
-      // If pane width ratio means it's height is higher than it's height
-      if(paneSize.paneFinalRatio > paneSize.originalRatio){
-        // the final pane is larger than the original
-        // So we should fit on the height to recalc the ratio
-        console.log('case 3');
-        paneSize.canvasFinalHeight = paneSize.paneFinalHeight;
-        paneSize.canvasFinalWidth = paneSize.canvasFinalHeight * paneSize.originalRatio; // Then we calc the width according the ratio
-      } else {
-        // the final pane is higher than or equal to the original
-        // So we should fit on the width
-        console.log('case 4');
-        paneSize.canvasFinalWidth = paneSize.paneFinalWidth;
-        paneSize.canvasFinalHeight = paneSize.canvasFinalWidth / paneSize.originalRatio; // Then we calc the width according the ratio
-
-      }
-    }
-    
-    paneSize.canvasFinalRatio = paneSize.canvasFinalWidth / paneSize.canvasFinalHeight;
-    console.log('paneSizes:', paneSize, 'splitpaneSize:', splitpaneSize, 'panesCount:', panesCount);
-    //canvas.resizeCanvas(paneSize.canvasFinalWidth, paneSize.canvasFinalHeight);
-    //canvas.draw();
-
-    console.log(paneSize.canvasFinalWidth + ' ' + paneSize.canvasFinalHeight);
-    canvas.width = Math.round(paneSize.canvasFinalWidth);
-    canvas.height = Math.round(paneSize.canvasFinalHeight);
+  stone.FitForPrint();
+};
 
 
-    /*
-      https://stackoverflow.com/questions/27863783/javascript-canvas-disappears-after-changing-width
-
-    var buffer = document.getElementById('buffer');
-    var context = canvas.getContext('2d');
-    console.log(context);
-    var bufferContext = buffer.getContext('2d');
-    console.log(bufferContext);
-    
-    bufferContext.drawImage(canvas, 0, 0); //Make a copy of the canvas to hidden buffer
-    canvas.width = Math.round(paneSize.canvasFinalWidth);
-    canvas.height = Math.round(paneSize.canvasFinalHeight);
-    context.drawImage(buffer, 0, 0); */    
-  }  
-
-  stone.AllViewportsUpdateSize(false);
-  $(window).trigger('resize');  // to force screen and canvas recalculation
-};
-
-function afterPrint(){
-  console.log('afterprint');
-  var $body = $('body');
-  // var $html = $('html');
-  $body.removeClass('print');
-  $body.css('width', '100%');
-  $body.css('height', '100%');
-  // $html.css('width', '100%');
-  // $html.css('height', '100%');
+function afterPrint() {
+  var body = $('body');
+  body.removeClass('print');
+  body.css('width', '100%');
+  body.css('height', '100%');
   $('#viewport canvas').css('width', '100%');
   $('#viewport canvas').css('height', '100%');
-  stone.AllViewportsUpdateSize(0);
-  $(window).trigger('resize');  // to force screen and canvas recalculation
+  
+  stone.FitForPrint();
 }
 
-window.addEventListener('beforeprint', function(event){
-  beforePrint(event)
+
+window.addEventListener('beforeprint', function(event) {
+  beforePrint(event);
 });
 
+
 var printMedia = window.matchMedia('print');
 printMedia.addListener(function(mql) {
-  if(mql.matches) {
-    console.log('webkit equivalent of onbeforeprint');
+  if (mql.matches) {
+    // webkit equivalent of onbeforeprint
     beforePrint();
   }
 });
 
-window.addEventListener('afterprint', function(){
+
+window.addEventListener('afterprint', function() {
   afterPrint();
-});$
+});
 
-/*vm.cancelPrintMode = function(){
+
+/*vm.cancelPrintMode = function() {
   afterPrint();
 }
 */