834573: comments update.

Author: SF4524LogeshKumar

How to/Library Bounds to Viewer bounds/index.js

@@ -36,7 +36,11 @@ pdfviewer.exportSuccess = function (args) {
           // Converting PDF Library values into PDF Viewer values. 
           var rect = {
             x: (parseInt(data.rect.x) * 96) / 72,
+
+            // Converting pageHeight from pixels(PDF Viewer) to points(PDF Library) for accurate positioning
+            // The conversion factor of 72/96 is used to change pixel values to points
             y: (parseInt(pageHeight) * 72 / 96 - parseInt(data.rect.height)) * 96 / 72,
+
             width: (parseInt(data.rect.width) - parseInt(data.rect.x)) * 96 / 72,
             height: (parseInt(data.rect.height) - parseInt(data.rect.y)) * 96 / 72,
           };